annotate src/move.c @ 5976:d18c63fd0c48

Added tag v7-4-328 for changeset 01d9ffdd6e6f
author Bram Moolenaar <bram@vim.org>
date Tue, 17 Jun 2014 13:50:13 +0200
parents b650f2db8f96
children fe1827921d50
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9 /*
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10 * move.c: Functions for moving the cursor and scrolling text.
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11 *
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12 * There are two ways to move the cursor:
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13 * 1. Move the cursor directly, the text is scrolled to keep the cursor in the
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14 * window.
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15 * 2. Scroll the text, the cursor is moved into the text visible in the
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16 * window.
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17 * The 'scrolloff' option makes this a bit complicated.
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18 */
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19
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20 #include "vim.h"
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21
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22 static void comp_botline __ARGS((win_T *wp));
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23 static void redraw_for_cursorline __ARGS((win_T *wp));
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24 static int scrolljump_value __ARGS((void));
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25 static int check_top_offset __ARGS((void));
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26 static void curs_rows __ARGS((win_T *wp, int do_botline));
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27 static void validate_botline_win __ARGS((win_T *wp));
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28 static void validate_cheight __ARGS((void));
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29
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30 typedef struct
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31 {
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32 linenr_T lnum; /* line number */
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33 #ifdef FEAT_DIFF
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34 int fill; /* filler lines */
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35 #endif
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36 int height; /* height of added line */
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37 } lineoff_T;
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38
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39 static void topline_back __ARGS((lineoff_T *lp));
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40 static void botline_forw __ARGS((lineoff_T *lp));
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41 #ifdef FEAT_DIFF
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42 static void botline_topline __ARGS((lineoff_T *lp));
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43 static void topline_botline __ARGS((lineoff_T *lp));
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44 static void max_topfill __ARGS((void));
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45 #endif
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46
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47 /*
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48 * Compute wp->w_botline for the current wp->w_topline. Can be called after
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49 * wp->w_topline changed.
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50 */
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51 static void
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52 comp_botline(wp)
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53 win_T *wp;
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54 {
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55 int n;
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56 linenr_T lnum;
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57 int done;
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58 #ifdef FEAT_FOLDING
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59 linenr_T last;
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60 int folded;
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61 #endif
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62
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63 /*
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64 * If w_cline_row is valid, start there.
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65 * Otherwise have to start at w_topline.
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66 */
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67 check_cursor_moved(wp);
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68 if (wp->w_valid & VALID_CROW)
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69 {
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70 lnum = wp->w_cursor.lnum;
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71 done = wp->w_cline_row;
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72 }
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73 else
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74 {
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75 lnum = wp->w_topline;
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76 done = 0;
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77 }
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78
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79 for ( ; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum)
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80 {
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81 #ifdef FEAT_FOLDING
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82 last = lnum;
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83 folded = FALSE;
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84 if (hasFoldingWin(wp, lnum, NULL, &last, TRUE, NULL))
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85 {
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86 n = 1;
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87 folded = TRUE;
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88 }
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89 else
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90 #endif
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91 #ifdef FEAT_DIFF
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92 if (lnum == wp->w_topline)
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93 n = plines_win_nofill(wp, lnum, TRUE) + wp->w_topfill;
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94 else
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95 #endif
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96 n = plines_win(wp, lnum, TRUE);
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97 if (
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98 #ifdef FEAT_FOLDING
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99 lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum
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100 #else
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101 lnum == wp->w_cursor.lnum
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102 #endif
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103 )
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104 {
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105 wp->w_cline_row = done;
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106 wp->w_cline_height = n;
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107 #ifdef FEAT_FOLDING
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108 wp->w_cline_folded = folded;
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109 #endif
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110 redraw_for_cursorline(wp);
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111 wp->w_valid |= (VALID_CROW|VALID_CHEIGHT);
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112 }
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113 if (done + n > wp->w_height)
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114 break;
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115 done += n;
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116 #ifdef FEAT_FOLDING
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117 lnum = last;
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118 #endif
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119 }
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120
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121 /* wp->w_botline is the line that is just below the window */
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122 wp->w_botline = lnum;
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123 wp->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
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124
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125 set_empty_rows(wp, done);
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126 }
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127
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128 /*
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129 * Redraw when w_cline_row changes and 'relativenumber' or 'cursorline' is
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130 * set.
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131 */
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132 static void
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133 redraw_for_cursorline(wp)
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134 win_T *wp;
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135 {
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136 if ((wp->w_p_rnu
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137 #ifdef FEAT_SYN_HL
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138 || wp->w_p_cul
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139 #endif
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140 )
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141 && (wp->w_valid & VALID_CROW) == 0
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142 # ifdef FEAT_INS_EXPAND
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143 && !pum_visible()
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144 # endif
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145 )
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146 redraw_win_later(wp, SOME_VALID);
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147 }
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148
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149 /*
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150 * Update curwin->w_topline and redraw if necessary.
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151 * Used to update the screen before printing a message.
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152 */
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153 void
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154 update_topline_redraw()
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155 {
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156 update_topline();
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157 if (must_redraw)
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158 update_screen(0);
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159 }
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160
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161 /*
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162 * Update curwin->w_topline to move the cursor onto the screen.
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163 */
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164 void
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165 update_topline()
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166 {
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167 long line_count;
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168 int halfheight;
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169 int n;
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170 linenr_T old_topline;
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171 #ifdef FEAT_DIFF
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172 int old_topfill;
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173 #endif
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174 #ifdef FEAT_FOLDING
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175 linenr_T lnum;
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176 #endif
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177 int check_topline = FALSE;
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178 int check_botline = FALSE;
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179 #ifdef FEAT_MOUSE
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180 int save_so = p_so;
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181 #endif
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182
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183 if (!screen_valid(TRUE))
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184 return;
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185
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186 check_cursor_moved(curwin);
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187 if (curwin->w_valid & VALID_TOPLINE)
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188 return;
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189
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190 #ifdef FEAT_MOUSE
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191 /* When dragging with the mouse, don't scroll that quickly */
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192 if (mouse_dragging > 0)
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193 p_so = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
194 #endif
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vimboss
parents:
diff changeset
195
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vimboss
parents:
diff changeset
196 old_topline = curwin->w_topline;
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vimboss
parents:
diff changeset
197 #ifdef FEAT_DIFF
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vimboss
parents:
diff changeset
198 old_topfill = curwin->w_topfill;
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vimboss
parents:
diff changeset
199 #endif
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vimboss
parents:
diff changeset
200
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
201 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
202 * If the buffer is empty, always set topline to 1.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
203 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
204 if (bufempty()) /* special case - file is empty */
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vimboss
parents:
diff changeset
205 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
206 if (curwin->w_topline != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
207 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
208 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
209 curwin->w_botline = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
210 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
211 #ifdef FEAT_SCROLLBIND
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
212 curwin->w_scbind_pos = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
213 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
214 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
215
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
216 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
217 * If the cursor is above or near the top of the window, scroll the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
218 * to show the line the cursor is in, with 'scrolloff' context.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
219 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
220 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
221 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
222 if (curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
223 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
224 /* If the cursor is above topline, scrolling is always needed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
225 * If the cursor is far below topline and there is no folding,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
226 * scrolling down is never needed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
227 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
228 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
229 else if (check_top_offset())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
230 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
231 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
232 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
233 /* Check if there are more filler lines than allowed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
234 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
235 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
236 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
237 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
238
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
239 if (check_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
240 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
241 halfheight = curwin->w_height / 2 - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
242 if (halfheight < 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
243 halfheight = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
244
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
245 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
246 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
248 /* Count the number of logical lines between the cursor and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249 * topline + p_so (approximation of how much will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 * scrolled). */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
252 for (lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
253 lnum < curwin->w_topline + p_so; ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
254 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
255 ++n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
256 /* stop at end of file or when we know we are far off */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
257 if (lnum >= curbuf->b_ml.ml_line_count || n >= halfheight)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
258 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
259 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
260 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
262 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
263 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 n = curwin->w_topline + p_so - curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
265
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
266 /* If we weren't very close to begin with, we scroll to put the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
267 * cursor in the middle of the window. Otherwise put the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
268 * near the top of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
269 if (n >= halfheight)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
270 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
271 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
272 {
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
273 scroll_cursor_top(scrolljump_value(), FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
274 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
276 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
277
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
278 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
279 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
280 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
281 /* Make sure topline is the first line of a fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
282 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
283 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
284 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
286 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
287
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
288 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
289 * If the cursor is below the bottom of the window, scroll the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
290 * to put the cursor on the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
291 * When w_botline is invalid, recompute it first, to avoid a redraw later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
292 * If w_botline was approximated, we might need a redraw later in a few
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
293 * cases, but we don't want to spend (a lot of) time recomputing w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
294 * for every small change.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
295 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
296 if (check_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
297 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298 if (!(curwin->w_valid & VALID_BOTLINE_AP))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
299 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
300
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301 if (curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302 {
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
303 if (curwin->w_cursor.lnum < curwin->w_botline)
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
304 {
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
305 if (((long)curwin->w_cursor.lnum
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
306 >= (long)curwin->w_botline - p_so
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
307 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308 || hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
309 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
310 ))
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
311 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
312 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
313
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
314 /* Cursor is (a few lines) above botline, check if there are
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
315 * 'scrolloff' window lines below the cursor. If not, need to
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
316 * scroll. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
317 n = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
318 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
319 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
320 /* In a fold go to its last line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
321 (void)hasFolding(loff.lnum, NULL, &loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
322 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
323 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
324 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
325 n += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
326 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
327 loff.height = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
328 while (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
329 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
330 && (loff.lnum + 1 < curwin->w_botline || loff.fill == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
331 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
332 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
333 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
334 n += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 if (n >= p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
337 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
338 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
339 if (n >= p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
340 /* sufficient context, no need to scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 check_botline = FALSE;
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
342 }
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
343 else
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
344 /* sufficient context, no need to scroll */
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
345 check_botline = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 if (check_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
350 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
352 /* Count the number of logical lines between the cursor and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
353 * botline - p_so (approximation of how much will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
354 * scrolled). */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
355 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 for (lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 lnum >= curwin->w_botline - p_so; --lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 ++line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 /* stop at end of file or when we know we are far off */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 if (lnum <= 0 || line_count > curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 (void)hasFolding(lnum, &lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
364 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368 line_count = curwin->w_cursor.lnum - curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 + 1 + p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
370 if (line_count <= curwin->w_height + 1)
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
371 scroll_cursor_bot(scrolljump_value(), FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
376 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 * Need to redraw when topline changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 {
3318
c70c005f61fb updated for version 7.3.426
Bram Moolenaar <bram@vim.org>
parents: 3263
diff changeset
388 dollar_vcol = -1;
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
389 if (curwin->w_skipcol != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 /* May need to set w_skipcol when cursor in w_topline. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398 validate_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 p_so = save_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 /*
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
407 * Return the scrolljump value to use for the current window.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
408 * When 'scrolljump' is positive use it as-is.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
409 * When 'scrolljump' is negative use it as a percentage of the window height.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
410 */
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
411 static int
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
412 scrolljump_value()
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
413 {
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
414 if (p_sj >= 0)
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
415 return (int)p_sj;
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
416 return (curwin->w_height * -p_sj) / 100;
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
417 }
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
418
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
419 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 * Return TRUE when there are not 'scrolloff' lines above the cursor for the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 * current window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
423 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 check_top_offset()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
425 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
427 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
428
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 if (curwin->w_cursor.lnum < curwin->w_topline + p_so
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
430 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
431 || hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
433 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
435 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
436 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
437 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
438 n = curwin->w_topfill; /* always have this context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
441 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
442 /* Count the visible screen lines above the cursor line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 while (n < p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 topline_back(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446 /* Stop when included a line above the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
447 if (loff.lnum < curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 || (loff.lnum == curwin->w_topline && loff.fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 n += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 if (n < p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 update_curswant()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464 if (curwin->w_set_curswant)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 curwin->w_curswant = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 curwin->w_set_curswant = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
472 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 * Check if the cursor has moved. Set the w_valid flag accordingly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
476 check_cursor_moved(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
477 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482 |VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 wp->w_valid_cursor = wp->w_cursor;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 else if (wp->w_cursor.col != wp->w_valid_cursor.col
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 || wp->w_leftcol != wp->w_valid_leftcol
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 #ifdef FEAT_VIRTUALEDIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 || wp->w_cursor.coladd != wp->w_valid_cursor.coladd
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 wp->w_valid_cursor.col = wp->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
495 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
496 #ifdef FEAT_VIRTUALEDIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 wp->w_valid_cursor.coladd = wp->w_cursor.coladd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
499 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
500 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503 * Call this function when some window settings have changed, which require
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 * the cursor position, botline and topline to be recomputed and the window to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 * be redrawn. E.g, when changing the 'wrap' option or folding.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
506 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 changed_window_setting()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 changed_window_setting_win(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
511 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
512
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
513 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
514 changed_window_setting_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 wp->w_lines_valid = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 changed_line_abv_curs_win(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 redraw_win_later(wp, NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524 * Set wp->w_topline to a certain number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
526 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 set_topline(wp, lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
529 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
530 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
531 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
532 /* go to first of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
533 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
534 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
535 /* Approximate the value of w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 wp->w_botline += lnum - wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
537 wp->w_topline = lnum;
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
538 #ifdef FEAT_AUTOCMD
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
539 wp->w_topline_was_set = TRUE;
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
540 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
544 wp->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 /* Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 * Call this function when the length of the cursor line (in screen
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 * characters) has changed, and the change is before the cursor.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 changed_cline_bef_curs()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 changed_cline_bef_curs_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 * Call this function when the length of a line (in screen characters) above
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
571 * the cursor have changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
574 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 changed_line_abv_curs()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 changed_line_abv_curs_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 * Make sure the value of curwin->w_botline is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 validate_botline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 if (!(curwin->w_valid & VALID_BOTLINE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 comp_botline(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 * Make sure the value of wp->w_botline is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 validate_botline_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606 if (!(wp->w_valid & VALID_BOTLINE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 comp_botline(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611 * Mark curwin->w_botline as invalid (because of some change in the buffer).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 invalidate_botline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 invalidate_botline_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 approximate_botline_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 wp->w_valid &= ~VALID_BOTLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 * Return TRUE if curwin->w_wrow and curwin->w_wcol are valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 cursor_valid()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 return ((curwin->w_valid & (VALID_WROW|VALID_WCOL)) ==
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 (VALID_WROW|VALID_WCOL));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 * Validate cursor position. Makes sure w_wrow and w_wcol are valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 * w_topline must be valid, you may need to call update_topline() first!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 validate_cursor()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 curs_columns(TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 #if defined(FEAT_GUI) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 * validate w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 validate_cline_row()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 update_topline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 if (!(curwin->w_valid & VALID_CROW))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 curs_rows(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 * Compute wp->w_cline_row and wp->w_cline_height, based on the current value
2154
7c8c7c95a865 First step in the Vim 7.3 branch. Changed version numbers.
Bram Moolenaar <bram@zimbu.org>
parents: 2082
diff changeset
675 * of wp->w_topline.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 * Returns OK when cursor is in the window, FAIL when it isn't.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 curs_rows(wp, do_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 int do_botline; /* also compute w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 int all_invalid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 int valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 long fold_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 /* Check if wp->w_lines[].wl_size is invalid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 all_invalid = (!redrawing()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 || wp->w_lines_valid == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 || wp->w_lines[0].wl_lnum > wp->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 i = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 wp->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
700 valid = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 if (!all_invalid && i < wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 continue; /* skip changed or deleted lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 if (wp->w_lines[i].wl_lnum == lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 /* Check for newly inserted lines below this row, in which
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 * case we need to check for folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 if (!wp->w_buffer->b_mod_set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 || wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 || wp->w_buffer->b_mod_top
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 > wp->w_lines[i].wl_lastlnum + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 valid = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 else if (wp->w_lines[i].wl_lnum > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 --i; /* hold at inserted lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 if (valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 && (lnum != wp->w_topline || !wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 lnum = wp->w_lines[i].wl_lastlnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 /* Cursor inside folded lines, don't count this row */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 ++lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 wp->w_cline_row += wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 fold_count = foldedCount(wp, lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 if (fold_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 lnum += fold_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 ++wp->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 if (lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 wp->w_cline_row += plines_win_nofill(wp, lnum++, TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 wp->w_cline_row += plines_win(wp, lnum++, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 if (!(wp->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 if (all_invalid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 || i == wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 || (i < wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 && (!wp->w_lines[i].wl_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 || wp->w_lines[i].wl_lnum != wp->w_cursor.lnum)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 if (wp->w_cursor.lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 TRUE) + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 else if (i > wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 /* a line that is too long to fit on the last screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783 wp->w_cline_height = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
786 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 wp->w_cline_height = wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
793 wp->w_cline_folded = wp->w_lines[i].wl_folded;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
798 redraw_for_cursorline(curwin);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 wp->w_valid |= VALID_CROW|VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 /* validate botline too, if update_screen doesn't do it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 if (do_botline && all_invalid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 validate_botline_win(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 * Validate curwin->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 validate_virtcol()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 validate_virtcol_win(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 * Validate wp->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 validate_virtcol_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
821 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823 if (!(wp->w_valid & VALID_VIRTCOL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 wp->w_valid |= VALID_VIRTCOL;
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
827 #ifdef FEAT_SYN_HL
752
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
828 if (wp->w_p_cuc
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
829 # ifdef FEAT_INS_EXPAND
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
830 && !pum_visible()
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
831 # endif
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
832 )
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
833 redraw_win_later(wp, SOME_VALID);
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
834 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 * Validate curwin->w_cline_height only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 validate_cheight()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 if (!(curwin->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 + curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 curwin->w_cline_height = plines(curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 curwin->w_valid |= VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 /*
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
862 * Validate w_wcol and w_virtcol only.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 validate_cursor_col()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 colnr_T off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 colnr_T col;
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
869 int width;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 if (!(curwin->w_valid & VALID_WCOL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 col = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875 off = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
876 col += off;
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
877 width = W_WIDTH(curwin) - off + curwin_col_off2();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
878
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 /* long line wrapping, adjust curwin->w_wrow */
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
880 if (curwin->w_p_wrap
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
881 && col >= (colnr_T)W_WIDTH(curwin)
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
882 && width > 0)
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
883 /* use same formula as what is used in curs_columns() */
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
884 col -= ((col - W_WIDTH(curwin)) / width + 1) * width;
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
885 if (col > (int)curwin->w_leftcol)
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
886 col -= curwin->w_leftcol;
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
887 else
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
888 col = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 curwin->w_wcol = col;
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
890
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891 curwin->w_valid |= VALID_WCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 /*
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
896 * Compute offset of a window, occupied by absolute or relative line number,
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
897 * fold column and sign column (these don't move when scrolling horizontally).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 win_col_off(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 {
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
903 return (((wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) + 1 : 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 #ifdef FEAT_CMDWIN
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 + (cmdwin_type == 0 || wp != curwin ? 0 : 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908 + wp->w_p_fdc
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 #ifdef FEAT_SIGNS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911 + (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912 # ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2178
diff changeset
913 /* show glyph gutter in netbeans */
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2178
diff changeset
914 netbeans_active() ||
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
915 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 wp->w_buffer->b_signlist != NULL ? 2 : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
920
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
921 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 curwin_col_off()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924 return win_col_off(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
926
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 * Return the difference in column offset for the second screen line of a
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
929 * wrapped line. It's 8 if 'number' or 'relativenumber' is on and 'n' is in
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
930 * 'cpoptions'.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 win_col_off2(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 {
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
936 if ((wp->w_p_nu || wp->w_p_rnu) && vim_strchr(p_cpo, CPO_NUMCOL) != NULL)
13
24d5189d3956 updated for version 7.0005
vimboss
parents: 7
diff changeset
937 return number_width(wp) + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
938 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
940
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
941 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 curwin_col_off2()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 return win_col_off2(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
947 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
948 * compute curwin->w_wcol and curwin->w_virtcol.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 * Also updates curwin->w_wrow and curwin->w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 * Also updates curwin->w_leftcol.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 void
3263
320cc46d0eb0 updated for version 7.3.400
Bram Moolenaar <bram@vim.org>
parents: 2693
diff changeset
953 curs_columns(may_scroll)
320cc46d0eb0 updated for version 7.3.400
Bram Moolenaar <bram@vim.org>
parents: 2693
diff changeset
954 int may_scroll; /* when TRUE, may scroll horizontally */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 int diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957 int extra; /* offset for first screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958 int off_left, off_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
959 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
960 int p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961 int width = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962 int textwidth;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963 int new_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 colnr_T startcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 colnr_T endcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 colnr_T prev_skipcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 update_topline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 * Next make sure that w_cline_row is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 if (!(curwin->w_valid & VALID_CROW))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 curs_rows(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 * Compute the number of virtual columns.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 if (curwin->w_cline_folded)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
984 /* In a folded line the cursor is always in the first column */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 getvvcol(curwin, &curwin->w_cursor,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 &startcol, &(curwin->w_virtcol), &endcol);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 /* remove '$' from change command when cursor moves onto it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 if (startcol > dollar_vcol)
3318
c70c005f61fb updated for version 7.3.426
Bram Moolenaar <bram@vim.org>
parents: 3263
diff changeset
993 dollar_vcol = -1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 extra = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 curwin->w_wcol = curwin->w_virtcol + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 endcol += extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000 * Now compute w_wrow, counting screen lines from w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 curwin->w_wrow = curwin->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 textwidth = W_WIDTH(curwin) - extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 if (textwidth <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 /* No room for text, put cursor in last char of window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 curwin->w_wcol = W_WIDTH(curwin) - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 curwin->w_wrow = curwin->w_height - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 else if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 width = textwidth + curwin_col_off2();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 /* long line wrapping, adjust curwin->w_wrow */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 if (curwin->w_wcol >= W_WIDTH(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 {
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
1022 /* this same formula is used in validate_cursor_col() */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 n = (curwin->w_wcol - W_WIDTH(curwin)) / width + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 curwin->w_wcol -= n * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 curwin->w_wrow += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 #ifdef FEAT_LINEBREAK
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 /* When cursor wraps to first char of next line in Insert
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 * mode, the 'showbreak' string isn't shown, backup to first
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 * column */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 if (*p_sbr && *ml_get_cursor() == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 && curwin->w_wcol == (int)vim_strsize(p_sbr))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 /* No line wrapping: compute curwin->w_leftcol if scrolling is on and line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1039 * is not folded.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040 * If scrolling is off, curwin->w_leftcol is assumed to be 0 */
3263
320cc46d0eb0 updated for version 7.3.400
Bram Moolenaar <bram@vim.org>
parents: 2693
diff changeset
1041 else if (may_scroll
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 && !curwin->w_cline_folded
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1045 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 * If Cursor is left of the screen, scroll rightwards.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 * If Cursor is right of the screen, scroll leftwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 * If we get closer to the edge than 'sidescrolloff', scroll a little
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 * extra
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 off_left = (int)startcol - (int)curwin->w_leftcol - p_siso;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 off_right = (int)endcol - (int)(curwin->w_leftcol + W_WIDTH(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 - p_siso) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 if (off_left < 0 || off_right > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 diff = -off_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1061 diff = off_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1062
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1063 /* When far off or not enough room on either side, put cursor in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064 * middle of window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 if (p_ss == 0 || diff >= textwidth / 2 || off_right >= off_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 new_leftcol = curwin->w_wcol - extra - textwidth / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1067 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1068 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1069 if (diff < p_ss)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1070 diff = p_ss;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1071 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 new_leftcol = curwin->w_leftcol - diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074 new_leftcol = curwin->w_leftcol + diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1075 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 if (new_leftcol < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1077 new_leftcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 if (new_leftcol != (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 curwin->w_leftcol = new_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 /* screen has to be redrawn with new curwin->w_leftcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 else if (curwin->w_wcol > (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1089 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093 /* Skip over filler lines. At the top use w_topfill, there
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094 * may be some filler lines above the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096 curwin->w_wrow += curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101 prev_skipcol = curwin->w_skipcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 p_lines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 if ((curwin->w_wrow >= curwin->w_height
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 || ((prev_skipcol > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 || curwin->w_wrow + p_so >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 && (p_lines =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 plines_win_nofill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 plines_win
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 (curwin, curwin->w_cursor.lnum, FALSE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 - 1 >= curwin->w_height))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 && curwin->w_height != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 && curwin->w_cursor.lnum == curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 && width > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 /* Cursor past end of screen. Happens with a single line that does
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124 * not fit on screen. Find a skipcol to show the text around the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 * cursor. Avoid scrolling all the time. compute value of "extra":
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 * 1: Less than "p_so" lines above
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 * 2: Less than "p_so" lines below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 * 3: both of them */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 if (curwin->w_skipcol + p_so * width > curwin->w_virtcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 /* Compute last display line of the buffer line that we want at the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 * bottom of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 if (p_lines == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 --p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 if (p_lines > curwin->w_wrow + p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 n = curwin->w_wrow + p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1140 n = p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 extra += 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 if (extra == 3 || p_lines < p_so * 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 /* not enough room for 'scrolloff', put cursor in the middle */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 n = curwin->w_virtcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 if (n > curwin->w_height / 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 n -= curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 /* don't skip more than necessary */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 if (n > p_lines - curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 n = p_lines - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 curwin->w_skipcol = n * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 else if (extra == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 /* less then 'scrolloff' lines above, decrease skipcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 extra = (curwin->w_skipcol + p_so * width - curwin->w_virtcol
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 + width - 1) / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 if ((colnr_T)(extra * width) > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 extra = curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 curwin->w_skipcol -= extra * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 else if (extra == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 /* less then 'scrolloff' lines below, increase skipcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 endcol = (n - curwin->w_height + 1) * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 while (endcol > curwin->w_virtcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 endcol -= width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 if (endcol > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 curwin->w_skipcol = endcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 curwin->w_wrow -= curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 if (curwin->w_wrow >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 /* small window, make sure cursor is in it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 extra = curwin->w_wrow - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 curwin->w_skipcol += extra * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 curwin->w_wrow -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 win_ins_lines(curwin, 0, extra, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 else if (extra < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 win_del_lines(curwin, 0, -extra, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 if (prev_skipcol != curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
1199 #ifdef FEAT_SYN_HL
5749
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1200 /* Redraw when w_virtcol changes and 'cursorcolumn' is set */
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1201 if (curwin->w_p_cuc && (curwin->w_valid & VALID_VIRTCOL) == 0
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1202 # ifdef FEAT_INS_EXPAND
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1203 && !pum_visible()
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1204 # endif
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1205 )
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1206 redraw_later(SOME_VALID);
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
1207 #endif
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
1208
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 * Scroll the current window down by "line_count" logical lines. "CTRL-Y"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 scrolldown(line_count, byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 long line_count;
1877
b5c1cb6f8d56 updated for version 7.2-174
vimboss
parents: 1744
diff changeset
1218 int byfold UNUSED; /* TRUE: count a closed fold as one line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220 long done = 0; /* total # of physical lines done */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221 int wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 int moved = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 linenr_T first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 /* Make sure w_topline is at the first of a sequence of folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 while (line_count-- > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233 #ifdef FEAT_DIFF
1980
5e0c164fc1c2 updated for version 7.2-277
vimboss
parents: 1877
diff changeset
1234 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)
5e0c164fc1c2 updated for version 7.2-277
vimboss
parents: 1877
diff changeset
1235 && curwin->w_topfill < curwin->w_height - 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 ++done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 /* A sequence of folded lines only counts for one logical line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 if (hasFolding(curwin->w_topline, &first, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 ++done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 if (!byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 line_count -= curwin->w_topline - first - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 curwin->w_botline -= curwin->w_topline - first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 curwin->w_topline = first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 done += plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 done += plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 --curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 invalidate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 curwin->w_wrow += done; /* keep w_wrow updated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 curwin->w_cline_row += done; /* keep w_cline_row updated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 curwin->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 * and move the cursor onto the displayed part of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 wrow = curwin->w_wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 wrow += curwin->w_cline_height - 1 -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 curwin->w_virtcol / W_WIDTH(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 if (hasFolding(curwin->w_cursor.lnum, &first, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1300 --wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1301 if (first == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 curwin->w_cursor.lnum = first - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 wrow -= plines(curwin->w_cursor.lnum--);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 moved = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 if (moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 /* Move cursor to first line of closed fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1323 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 * Scroll the current window up by "line_count" logical lines. "CTRL-E"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 scrollup(line_count, byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 long line_count;
1877
b5c1cb6f8d56 updated for version 7.2-174
vimboss
parents: 1744
diff changeset
1329 int byfold UNUSED; /* TRUE: count a closed fold as one line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 #if defined(FEAT_FOLDING) || defined(FEAT_DIFF)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 if (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 (byfold && hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 ||
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342 curwin->w_p_diff
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 /* count each sequence of folded lines as one logical line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 while (line_count--)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 if (byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 if (lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 ++lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 curwin->w_topfill = diff_check_fill(curwin, lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 curwin->w_botline += lnum - curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 curwin->w_topline = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 curwin->w_topline += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 curwin->w_botline += line_count; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 curwin->w_botline = curbuf->b_ml.ml_line_count + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1383
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1386 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 /* Make sure w_topline is at the first of a sequence of folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 * Don't end up with too many filler lines in the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 check_topfill(wp, down)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 int down; /* when TRUE scroll down when not enough space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 if (wp->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 n = plines_win_nofill(wp, wp->w_topline, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 if (wp->w_topfill + n > wp->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 if (down && wp->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422 --wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1425 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 wp->w_topfill = wp->w_height - n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 if (wp->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1431 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1434
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 * Use as many filler lines as possible for w_topline. Make sure w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437 * is still visible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 max_topfill()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 n = plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445 if (n >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 if (curwin->w_topfill + n > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 curwin->w_topfill = curwin->w_height - n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 #if defined(FEAT_INS_EXPAND) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 * Scroll the screen one line down, but don't do it if it would move the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 * cursor off the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 scrolldown_clamp()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 int end_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 int can_fill = (curwin->w_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 < diff_check_fill(curwin, curwin->w_topline));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 if (curwin->w_topline <= 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472 && !can_fill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 * doesn't go past 'scrolloff' lines from the screen end.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 end_row = curwin->w_wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 if (can_fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 ++end_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 end_row += plines_nofill(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 end_row += plines(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 end_row += curwin->w_cline_height - 1 -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 curwin->w_virtcol / W_WIDTH(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 if (end_row < curwin->w_height - p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 if (can_fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 --curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 * Scroll the screen one line up, but don't do it if it would move the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 * off the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 scrollup_clamp()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 int start_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 if (curwin->w_topline == curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 && curwin->w_topfill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 * Compute the row number of the first row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 * doesn't go before 'scrolloff' lines from the screen start.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 start_row = curwin->w_wrow - plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 start_row -= curwin->w_virtcol / W_WIDTH(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 if (start_row >= p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 #endif
36
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1573 {
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1574 #ifdef FEAT_FOLDING
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1575 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1576 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 ++curwin->w_topline;
36
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1578 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 ++curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 #endif /* FEAT_INS_EXPAND */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 * Add one line above "lp->lnum". This can be a filler line, a closed fold or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 * Returns the height of the added line in "lp->height".
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1589 * Lines above the first one are incredibly high: MAXCOL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 topline_back(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 if (lp->fill < diff_check_fill(curwin, lp->lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 /* Add a filler line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 if (lp->lnum < 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 if (hasFolding(lp->lnum, &lp->lnum, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 /* Add a closed fold */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 lp->height = plines(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 * Add one line below "lp->lnum". This can be a filler line, a closed fold or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 * Returns the height of the added line in "lp->height".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 * Lines below the last one are incredibly high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 botline_forw(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 /* Add a filler line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1652 if (lp->lnum > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 if (hasFolding(lp->lnum, NULL, &lp->lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 /* Add a closed fold */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 lp->height = plines(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 * Switch from including filler lines below lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 * lines above loff.lnum + 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 botline_topline(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 * Switch from including filler lines above lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 * lines below loff.lnum - 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 topline_botline(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 * Recompute topline to put the cursor at the top of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 * If "always" is TRUE, always set topline (for "zt").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711 scroll_cursor_top(min_scroll, always)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 int min_scroll;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 int always;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 linenr_T top; /* just above displayed lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 linenr_T bot; /* just below displayed lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 linenr_T old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 linenr_T new_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 int off = p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 if (mouse_dragging > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 off = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 * Decrease topline until:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 * - it has become 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 * - (part of) the cursor line is moved off the screen or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 * - moved at least 'scrolljump' lines and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 * - at least 'scrolloff' lines above and below the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 used = curwin->w_cline_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 scrolled = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 if (hasFolding(curwin->w_cursor.lnum, &top, &bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 --top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 ++bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 top = curwin->w_cursor.lnum - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 bot = curwin->w_cursor.lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 new_topline = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 /* count filler lines of the cursor window as context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 i = diff_check_fill(curwin, curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 used += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 extra += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 * Check if the lines from "top" to "bot" fit in the window. If they do,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 * set new_topline and advance "top" and "bot" to include more lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 while (top > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 if (hasFolding(top, &top, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 /* count one logical line for a sequence of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 i = plines(top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 used += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 if (hasFolding(bot, NULL, &bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 /* count one logical line for a sequence of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 ++used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 used += plines(bot);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 if (top < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 * If scrolling is needed, scroll at least 'sj' lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 if ((new_topline >= curwin->w_topline || scrolled > min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 && extra >= off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 extra += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 new_topline = top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 --top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 ++bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 * If we don't have enough space, put cursor in the middle.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 * This makes sure we get the same position when using "k" and "j"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 * in a small window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 * If "always" is FALSE, only adjust topline to a lower value, higher
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 * value may happen with wrapping lines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 if (new_topline < curwin->w_topline || always)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 curwin->w_topline = new_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 if (curwin->w_topline > curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 curwin->w_topline = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 if (curwin->w_topfill > 0 && extra > off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 curwin->w_topfill -= extra - off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 if (curwin->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 * Set w_empty_rows and w_filler_rows for window "wp", having used up "used"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848 * screen lines for text lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 set_empty_rows(wp, used)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 wp->w_filler_rows = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 if (used == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 wp->w_empty_rows = 0; /* single line that doesn't fit */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 wp->w_empty_rows = wp->w_height - used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 if (wp->w_empty_rows > wp->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 wp->w_empty_rows -= wp->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 wp->w_filler_rows = wp->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 wp->w_empty_rows = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 * Recompute topline to put the cursor at the bottom of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 * If "set_topbot" is TRUE, set topline and botline first (for "zb").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 * This is messy stuff!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 scroll_cursor_bot(min_scroll, set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 int min_scroll;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 int set_topbot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 lineoff_T boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 int old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 int fill_below_window;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 linenr_T old_botline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 linenr_T old_valid = curwin->w_valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 int old_empty_rows = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 linenr_T cln; /* Cursor Line Number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 if (set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 used = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 curwin->w_botline = cln + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 for (curwin->w_topline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 curwin->w_topline > 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 curwin->w_topline = loff.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 loff.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1921 if (loff.height == MAXCOL || used + loff.height > curwin->w_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 used += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 set_empty_rows(curwin, used);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 /* The lines of the cursor line itself are always used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 used = plines_nofill(cln);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945 used = curwin->w_cline_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1946 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 /* If the cursor is below botline, we will at least scroll by the height
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 * of the cursor line. Correct for empty lines, which are really part of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 * botline. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 if (cln >= curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 scrolled = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 if (cln == curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 * Stop counting lines to scroll when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 * - hitting start of the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 * - scrolled nothing or at least 'sj' lines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 * - at least 'so' lines below the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 * - lines between botline and cursor have been counted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 loff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 boff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 fill_below_window = diff_check_fill(curwin, curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 while (loff.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 /* Stop when scrolled nothing or at least "min_scroll", found "extra"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 * context for 'scrolloff' and counted all lines below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 if ((((scrolled <= 0 || scrolled >= min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 && extra >= (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
1986 mouse_dragging > 0 ? mouse_dragging - 1 :
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 p_so))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 || boff.lnum + 1 > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 && loff.lnum <= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 && (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 || loff.fill >= fill_below_window)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 /* Add one line above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2000 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2001 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2002 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2003 used += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 if (loff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 && (loff.lnum > curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 || loff.fill <= fill_below_window)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 /* Count screen lines that are below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 scrolled += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 if (loff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 && boff.fill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 /* Add one line below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 used += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030 if (extra < (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 mouse_dragging > 0 ? mouse_dragging - 1 :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 p_so) || scrolled < min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 extra += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 if (boff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 || (boff.lnum + 1 == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040 && boff.fill > curwin->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 /* Count screen lines that are below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 scrolled += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046 if (boff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 && boff.fill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 /* curwin->w_empty_rows is larger, no need to scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 if (scrolled <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 /* more than a screenfull, don't scroll but redraw */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 else if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 line_count = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 /* scroll minimal number of lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 boff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 boff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 i += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 ++line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077 if (i < scrolled) /* below curwin->w_botline, don't scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078 line_count = 9999;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 * Scroll up if the cursor is off the bottom of the screen a bit.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 * Otherwise put it at 1/2 of the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 if (line_count >= curwin->w_height && line_count > min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 scrollup(line_count, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 * If topline didn't change we need to restore w_botline and w_empty_rows
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 * (we changed them).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 * If topline did change, update_screen() will set botline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 if (curwin->w_topline == old_topline && set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 curwin->w_botline = old_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 curwin->w_empty_rows = old_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 curwin->w_valid = old_valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 * Recompute topline to put the cursor halfway the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 * If "atend" is TRUE, also put it halfway at the end of the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 scroll_cursor_halfway(atend)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 int atend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 int above = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 int topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 int below = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 lineoff_T boff;
5661
df3b0b70d8c1 updated for version 7.4.177
Bram Moolenaar <bram@vim.org>
parents: 5653
diff changeset
2121 #ifdef FEAT_DIFF
5653
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2122 linenr_T old_topline = curwin->w_topline;
5661
df3b0b70d8c1 updated for version 7.4.177
Bram Moolenaar <bram@vim.org>
parents: 5653
diff changeset
2123 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 loff.lnum = boff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 used = plines_nofill(loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 used = plines(loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 while (topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139 if (below <= above) /* add a line below the cursor first */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 used += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 below += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 ++below; /* count a "~" line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 if (atend)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 ++used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 if (below > above) /* add a line above the cursor */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2160 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2161 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2162 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2163 used += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 above += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 if (!hasFolding(topline, &curwin->w_topline, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 curwin->w_topline = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 curwin->w_topfill = topfill;
5653
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2179 if (old_topline > curwin->w_topline + curwin->w_height)
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2180 curwin->w_botfill = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 * Correct the cursor position so that it is in a part of the screen at least
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 * 'so' lines from the top and bottom, if possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 * If not possible, put it at the same position as scroll_cursor_halfway().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 * When called topline must be valid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 cursor_correct()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 int above = 0; /* screen lines above topline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 int below = 0; /* screen lines below botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 linenr_T botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 int above_wanted, below_wanted;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 linenr_T cln; /* Cursor Line Number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 int max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 * How many lines we would like to have above/below the cursor depends on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 * whether the first/last line of the file is on screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 above_wanted = p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 below_wanted = p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
2211 if (mouse_dragging > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 above_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 below_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 above_wanted = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 max_off = curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 if (below_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 below_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
2227 && mouse_dragging == 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 below_wanted = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 max_off = (curwin->w_height - 1) / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 if (above_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 above_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 * If there are sufficient file-lines above and below the cursor, we can
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 * return now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 if (cln >= curwin->w_topline + above_wanted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 && cln < curwin->w_botline - below_wanted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 && !hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 * Narrow down the area where the cursor can be put by taking lines from
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 * the top and the bottom until:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 * - the desired context lines are found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 * - the lines from the top is past the lines from the bottom
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 botline = curwin->w_botline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 /* count filler lines as context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 above = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 below = curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 while ((above < above_wanted || below < below_wanted) && topline < botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 if (below < below_wanted && (below <= above || above >= above_wanted))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 if (hasFolding(botline, &botline, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 ++below;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 below += plines(botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 --botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 if (above < above_wanted && (above < below || below >= below_wanted))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 if (hasFolding(topline, NULL, &topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 ++above;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 #ifndef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 above += plines(topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 above += plines_nofill(topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 /* Count filler lines below this line as context. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 if (topline < botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 above += diff_check_fill(curwin, topline + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 ++topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 if (topline == botline || botline == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 else if (topline > botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 if (cln < topline && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 static void get_scroll_overlap __ARGS((lineoff_T *lp, int dir));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 * move screen 'count' pages up or down and update screen
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 onepage(dir, count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 int dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 long count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 int retval = OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 if (curbuf->b_ml.ml_line_count == 1) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 for ( ; count > 0; --count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 * It's an error to move a page up when the first line is already on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 * the screen. It's an error to move a page down when the last line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 * is on the screen and the topline is 'scrolloff' lines from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 * last line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 if (dir == FORWARD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 && curwin->w_botline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 : (curwin->w_topline == 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 && curwin->w_topfill ==
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 diff_check_fill(curwin, curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 ))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 retval = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 if (dir == FORWARD)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 {
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2368 if (firstwin == lastwin && p_window > 0 && p_window < Rows - 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 {
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2370 /* Vi compatible scrolling */
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2371 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2372 ++curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2373 else
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2374 curwin->w_topline += p_window - 2;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2375 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2376 curwin->w_topline = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2377 curwin->w_cursor.lnum = curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2378 }
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2379 else if (curwin->w_botline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2380 {
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2381 /* at end of file */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 /* For the overlap, start with the line just below the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 * and go upwards. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 loff.lnum = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 loff.fill = diff_check_fill(curwin, loff.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 get_scroll_overlap(&loff, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 curwin->w_valid &= ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 else /* dir == BACKWARDS */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 /* Include max number of filler lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 #endif
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2418 if (firstwin == lastwin && p_window > 0 && p_window < Rows - 1)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2419 {
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2420 /* Vi compatible scrolling (sort of) */
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2421 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2422 --curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2423 else
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2424 curwin->w_topline -= p_window - 2;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2425 if (curwin->w_topline < 1)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2426 curwin->w_topline = 1;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2427 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2428 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2429 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2430 continue;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2431 }
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2432
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 /* Find the line at the top of the window that is going to be the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 * line at the bottom of the window. Make sure this results in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 * the same line as before doing CTRL-F. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436 loff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 loff.fill = diff_check_fill(curwin, loff.lnum + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 get_scroll_overlap(&loff, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 if (loff.lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 loff.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 curwin->w_cursor.lnum = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 /* Find the line just above the new topline to get the right line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 * at the bottom of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 while (n <= curwin->w_height && loff.lnum >= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2462 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2463 n = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2464 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2465 n += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 }
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2467 if (loff.lnum < 1) /* at begin of file */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 /* Go two lines forward again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 topline_botline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 /* We're at the wrong end of a fold now. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 (void)hasFolding(loff.lnum, &loff.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 /* Always scroll at least one line. Avoid getting stuck on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 * very long lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 if (loff.lnum >= curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 && (loff.lnum > curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 || loff.fill >= curwin->w_topfill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 /* First try using the maximum number of filler lines. If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502 * that's not enough, backup one line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 loff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 if (curwin->w_topfill < diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 if (curwin->w_topfill == loff.fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 comp_botline(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 curwin->w_cursor.lnum = curwin->w_botline - 1;
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
2517 curwin->w_valid &=
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
2518 ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|VALID_CROW);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 cursor_correct();
161
6df0106fc595 updated for version 7.0049
vimboss
parents: 119
diff changeset
2536 if (retval == OK)
6df0106fc595 updated for version 7.0049
vimboss
parents: 119
diff changeset
2537 beginline(BL_SOL | BL_FIX);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 curwin->w_valid &= ~(VALID_WCOL|VALID_WROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 * Avoid the screen jumping up and down when 'scrolloff' is non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 * But make sure we scroll at least one line (happens with mix of long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 * wrapping lines and non-wrapping line).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 if (retval == OK && dir == FORWARD && check_top_offset())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 scroll_cursor_top(1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 if (curwin->w_topline <= old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549 && old_topline < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551 curwin->w_topline = old_topline + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2555 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2556 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2557
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 * Decide how much overlap to use for page-up or page-down scrolling.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 * This is symmetric, so that doing both keeps the same lines displayed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565 * Three lines are examined:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 * before CTRL-F after CTRL-F / before CTRL-B
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 * etc. l1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 * l1 last but one line ------------
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 * l2 last text line l2 top text line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 * ------------- l3 second text line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 * l3 etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 get_scroll_overlap(lp, dir)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 int dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 int h1, h2, h3, h4;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 int min_height = curwin->w_height - 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 lineoff_T loff0, loff1, loff2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 lp->height = plines(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 h1 = lp->height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 if (h1 > min_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 return; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 loff0 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 h2 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2601 if (h2 == MAXCOL || h2 + h1 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 *lp = loff0; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 loff1 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 h3 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2613 if (h3 == MAXCOL || h3 + h2 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 *lp = loff0; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 loff2 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 h4 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2625 if (h4 == MAXCOL || h4 + h3 + h2 > min_height || h3 + h2 + h1 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 *lp = loff1; /* 1 line overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 *lp = loff2; /* 2 lines overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 /* #define KEEP_SCREEN_LINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 * Scroll 'scroll' lines up or down.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 halfpage(flag, Prenum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 int flag;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 linenr_T Prenum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 long scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 int room;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 if (Prenum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 curwin->w_p_scr = (Prenum > curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 curwin->w_height : Prenum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 n = (curwin->w_p_scr <= curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 curwin->w_p_scr : curwin->w_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 room = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 room += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 if (flag)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 * scroll the text up
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 if (--n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 i = plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 i = plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 n -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 ++curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 curwin->w_valid &= ~(VALID_CROW|VALID_WROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 * Correct w_botline for changed w_topline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 * Won't work when there are filler lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 if (curwin->w_p_diff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 room += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 do
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 i = plines(curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 if (i > room)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 (void)hasFolding(curwin->w_botline, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 &curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 ++curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 room -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 * When hit bottom of the file: move cursor down.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 if (n > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 while (--n >= 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 (void)hasFolding(curwin->w_cursor.lnum, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 &curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 curwin->w_cursor.lnum += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 check_cursor_lnum();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 /* try to put the cursor in the same screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 while ((curwin->w_cursor.lnum < curwin->w_topline || scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 && curwin->w_cursor.lnum < curwin->w_botline - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 scrolled -= plines(curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 if (scrolled < 0 && curwin->w_cursor.lnum >= curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 (void)hasFolding(curwin->w_cursor.lnum, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 &curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 * scroll the text down
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 while (n > 0 && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 if (--n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 i = plines_nofill(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 i = plines(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 n -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 curwin->w_valid &= ~(VALID_CROW|VALID_WROW|
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 if (curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 curwin->w_valid &= ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 * When hit top of the file: move cursor up.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 if (n > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 if (curwin->w_cursor.lnum <= (linenr_T)n)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 while (--n >= 0 && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 (void)hasFolding(curwin->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 &curwin->w_cursor.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 curwin->w_cursor.lnum -= n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 /* try to put the cursor in the same screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 scrolled += n; /* move cursor when topline is 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 while (curwin->w_cursor.lnum > curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839 && (scrolled > 0 || curwin->w_cursor.lnum >= curwin->w_botline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 scrolled -= plines(curwin->w_cursor.lnum - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 if (scrolled < 0 && curwin->w_cursor.lnum < curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 /* Move cursor to first line of closed fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 check_topfill(curwin, !flag);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 cursor_correct();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 beginline(BL_SOL | BL_FIX);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 }
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2862
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2863 #if defined(FEAT_CURSORBIND) || defined(PROTO)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2864 void
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2865 do_check_cursorbind()
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2866 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2867 linenr_T line = curwin->w_cursor.lnum;
3415
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2868 colnr_T col = curwin->w_cursor.col;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2869 # ifdef FEAT_VIRTUALEDIT
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2870 colnr_T coladd = curwin->w_cursor.coladd;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2871 # endif
3433
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2872 colnr_T curswant = curwin->w_curswant;
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2873 int set_curswant = curwin->w_set_curswant;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2874 win_T *old_curwin = curwin;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2875 buf_T *old_curbuf = curbuf;
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2876 int restart_edit_save;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2877 int old_VIsual_select = VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2878 int old_VIsual_active = VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2879
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2880 /*
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2881 * loop through the cursorbound windows
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2882 */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2883 VIsual_select = VIsual_active = 0;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2884 for (curwin = firstwin; curwin; curwin = curwin->w_next)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2885 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2886 curbuf = curwin->w_buffer;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2887 /* skip original window and windows with 'noscrollbind' */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2888 if (curwin != old_curwin && curwin->w_p_crb)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2889 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2890 # ifdef FEAT_DIFF
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2891 if (curwin->w_p_diff)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2892 curwin->w_cursor.lnum
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2893 = diff_get_corresponding_line(old_curbuf,
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2894 line,
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2895 curbuf,
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2896 curwin->w_cursor.lnum);
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2897 else
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2898 # endif
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2899 curwin->w_cursor.lnum = line;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2900 curwin->w_cursor.col = col;
3415
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2901 # ifdef FEAT_VIRTUALEDIT
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2902 curwin->w_cursor.coladd = coladd;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2903 # endif
3433
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2904 curwin->w_curswant = curswant;
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2905 curwin->w_set_curswant = set_curswant;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2906
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2907 /* Make sure the cursor is in a valid position. Temporarily set
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2908 * "restart_edit" to allow the cursor to be beyond the EOL. */
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2909 restart_edit_save = restart_edit;
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2910 restart_edit = TRUE;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2911 check_cursor();
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2912 restart_edit = restart_edit_save;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2913 # ifdef FEAT_MBYTE
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2914 /* Correct cursor for multi-byte character. */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2915 if (has_mbyte)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2916 mb_adjust_cursor();
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2917 # endif
2688
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2918 redraw_later(VALID);
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2919
2688
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2920 /* Only scroll when 'scrollbind' hasn't done this. */
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2921 if (!curwin->w_p_scb)
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2922 update_topline();
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2923 # ifdef FEAT_WINDOWS
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2924 curwin->w_redr_status = TRUE;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2925 # endif
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2926 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2927 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2928
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2929 /*
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2930 * reset current-window
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2931 */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2932 VIsual_select = old_VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2933 VIsual_active = old_VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2934 curwin = old_curwin;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2935 curbuf = old_curbuf;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2936 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2937 #endif /* FEAT_CURSORBIND */