annotate src/move.c @ 6973:7b35ee02b3c5 v7.4.804

patch 7.4.804 Problem: Xxd doesn't have a license notice. Solution: Add license as indicated by Juergen.
author Bram Moolenaar <bram@vim.org>
date Tue, 04 Aug 2015 17:29:07 +0200
parents 97cc4ee3e095
children 286fd54c7ae3
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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));
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27 static void validate_cheight __ARGS((void));
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28
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29 typedef struct
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30 {
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31 linenr_T lnum; /* line number */
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32 #ifdef FEAT_DIFF
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33 int fill; /* filler lines */
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34 #endif
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35 int height; /* height of added line */
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36 } lineoff_T;
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37
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38 static void topline_back __ARGS((lineoff_T *lp));
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39 static void botline_forw __ARGS((lineoff_T *lp));
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40 #ifdef FEAT_DIFF
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41 static void botline_topline __ARGS((lineoff_T *lp));
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42 static void topline_botline __ARGS((lineoff_T *lp));
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43 static void max_topfill __ARGS((void));
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44 #endif
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45
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46 /*
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47 * Compute wp->w_botline for the current wp->w_topline. Can be called after
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48 * wp->w_topline changed.
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49 */
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50 static void
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51 comp_botline(wp)
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52 win_T *wp;
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53 {
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54 int n;
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55 linenr_T lnum;
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56 int done;
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57 #ifdef FEAT_FOLDING
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58 linenr_T last;
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59 int folded;
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60 #endif
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61
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62 /*
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63 * If w_cline_row is valid, start there.
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64 * Otherwise have to start at w_topline.
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65 */
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66 check_cursor_moved(wp);
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67 if (wp->w_valid & VALID_CROW)
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68 {
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69 lnum = wp->w_cursor.lnum;
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70 done = wp->w_cline_row;
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71 }
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72 else
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73 {
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74 lnum = wp->w_topline;
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75 done = 0;
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76 }
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77
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78 for ( ; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum)
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79 {
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80 #ifdef FEAT_FOLDING
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81 last = lnum;
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82 folded = FALSE;
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83 if (hasFoldingWin(wp, lnum, NULL, &last, TRUE, NULL))
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84 {
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85 n = 1;
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86 folded = TRUE;
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87 }
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88 else
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89 #endif
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90 #ifdef FEAT_DIFF
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91 if (lnum == wp->w_topline)
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92 n = plines_win_nofill(wp, lnum, TRUE) + wp->w_topfill;
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93 else
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94 #endif
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95 n = plines_win(wp, lnum, TRUE);
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96 if (
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97 #ifdef FEAT_FOLDING
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98 lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum
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99 #else
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100 lnum == wp->w_cursor.lnum
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101 #endif
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102 )
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103 {
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104 wp->w_cline_row = done;
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105 wp->w_cline_height = n;
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106 #ifdef FEAT_FOLDING
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107 wp->w_cline_folded = folded;
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108 #endif
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109 redraw_for_cursorline(wp);
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110 wp->w_valid |= (VALID_CROW|VALID_CHEIGHT);
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111 }
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112 if (done + n > wp->w_height)
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113 break;
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114 done += n;
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115 #ifdef FEAT_FOLDING
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116 lnum = last;
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117 #endif
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118 }
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119
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120 /* wp->w_botline is the line that is just below the window */
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121 wp->w_botline = lnum;
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122 wp->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
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123
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124 set_empty_rows(wp, done);
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125 }
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126
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127 /*
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128 * Redraw when w_cline_row changes and 'relativenumber' or 'cursorline' is
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129 * set.
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130 */
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131 static void
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132 redraw_for_cursorline(wp)
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133 win_T *wp;
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134 {
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135 if ((wp->w_p_rnu
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136 #ifdef FEAT_SYN_HL
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137 || wp->w_p_cul
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138 #endif
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139 )
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140 && (wp->w_valid & VALID_CROW) == 0
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141 # ifdef FEAT_INS_EXPAND
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142 && !pum_visible()
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143 # endif
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144 )
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145 redraw_win_later(wp, SOME_VALID);
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146 }
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147
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148 /*
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149 * Update curwin->w_topline and redraw if necessary.
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150 * Used to update the screen before printing a message.
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151 */
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152 void
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153 update_topline_redraw()
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154 {
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155 update_topline();
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156 if (must_redraw)
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157 update_screen(0);
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158 }
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159
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160 /*
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161 * Update curwin->w_topline to move the cursor onto the screen.
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162 */
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163 void
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164 update_topline()
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165 {
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166 long line_count;
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167 int halfheight;
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168 int n;
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169 linenr_T old_topline;
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170 #ifdef FEAT_DIFF
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171 int old_topfill;
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172 #endif
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173 #ifdef FEAT_FOLDING
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174 linenr_T lnum;
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175 #endif
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176 int check_topline = FALSE;
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177 int check_botline = FALSE;
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178 #ifdef FEAT_MOUSE
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179 int save_so = p_so;
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180 #endif
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181
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182 if (!screen_valid(TRUE))
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183 return;
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184
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185 /* If the window height is zero just use the cursor line. */
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186 if (curwin->w_height == 0)
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187 {
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188 curwin->w_topline = curwin->w_cursor.lnum;
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189 curwin->w_botline = curwin->w_topline;
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190 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
191 #ifdef FEAT_SCROLLBIND
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
192 curwin->w_scbind_pos = 1;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
193 #endif
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
194 return;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
195 }
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
196
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
197 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
198 if (curwin->w_valid & VALID_TOPLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
199 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
200
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
201 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
202 /* When dragging with the mouse, don't scroll that quickly */
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
203 if (mouse_dragging > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
204 p_so = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
205 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
206
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
207 old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
208 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
209 old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
210 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
211
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
212 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
213 * If the buffer is empty, always set topline to 1.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
214 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
215 if (bufempty()) /* special case - file is empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
216 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
217 if (curwin->w_topline != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
218 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
219 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
220 curwin->w_botline = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
221 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
222 #ifdef FEAT_SCROLLBIND
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
223 curwin->w_scbind_pos = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
224 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
225 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
226
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
227 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
228 * 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
229 * to show the line the cursor is in, with 'scrolloff' context.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
230 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
231 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
232 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
233 if (curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
234 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
235 /* If the cursor is above topline, scrolling is always needed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
236 * If the cursor is far below topline and there is no folding,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
237 * scrolling down is never needed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
238 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
239 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
240 else if (check_top_offset())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
241 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
242 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
243 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
244 /* Check if there are more filler lines than allowed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
245 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
246 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
248 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 if (check_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
252 halfheight = curwin->w_height / 2 - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
253 if (halfheight < 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
254 halfheight = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
255
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
256 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
257 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
258 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
259 /* Count the number of logical lines between the cursor and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
260 * topline + p_so (approximation of how much will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261 * scrolled). */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
262 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
263 for (lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 lnum < curwin->w_topline + p_so; ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
265 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
266 ++n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
267 /* stop at end of file or when we know we are far off */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
268 if (lnum >= curbuf->b_ml.ml_line_count || n >= halfheight)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
269 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
270 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
271 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
272 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
273 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
274 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
275 n = curwin->w_topline + p_so - curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
276
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
277 /* If we weren't very close to begin with, we scroll to put the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
278 * cursor in the middle of the window. Otherwise put the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
279 * near the top of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
280 if (n >= halfheight)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
281 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
282 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
283 {
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
284 scroll_cursor_top(scrolljump_value(), FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 check_botline = TRUE;
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 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
290 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
291 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
292 /* Make sure topline is the first line of a fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
293 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
294 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
295 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
296 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
297 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
299 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
300 * If the cursor is below the bottom of the window, scroll the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301 * to put the cursor on the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302 * When w_botline is invalid, recompute it first, to avoid a redraw later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
303 * If w_botline was approximated, we might need a redraw later in a few
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
304 * 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
305 * for every small change.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
306 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
307 if (check_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
309 if (!(curwin->w_valid & VALID_BOTLINE_AP))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
310 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
311
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
312 if (curwin->w_botline <= curbuf->b_ml.ml_line_count)
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 if (curwin->w_cursor.lnum < curwin->w_botline)
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
315 {
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
316 if (((long)curwin->w_cursor.lnum
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
317 >= (long)curwin->w_botline - p_so
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
318 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
319 || hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
320 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
321 ))
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
322 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
323 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
324
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
325 /* Cursor is (a few lines) above botline, check if there are
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
326 * 'scrolloff' window lines below the cursor. If not, need to
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
327 * scroll. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
328 n = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
329 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
330 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
331 /* In a fold go to its last line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
332 (void)hasFolding(loff.lnum, NULL, &loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
333 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
334 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336 n += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
337 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
338 loff.height = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
339 while (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
340 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 && (loff.lnum + 1 < curwin->w_botline || loff.fill == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
342 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
343 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
344 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
345 n += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 if (n >= p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
350 if (n >= p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
351 /* sufficient context, no need to scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
352 check_botline = FALSE;
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
353 }
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
354 else
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
355 /* sufficient context, no need to scroll */
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
356 check_botline = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 if (check_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 /* Count the number of logical lines between the cursor and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
364 * botline - p_so (approximation of how much will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 * scrolled). */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367 for (lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368 lnum >= curwin->w_botline - p_so; --lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
370 ++line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
371 /* stop at end of file or when we know we are far off */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 if (lnum <= 0 || line_count > curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 (void)hasFolding(lnum, &lnum, NULL);
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 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379 line_count = curwin->w_cursor.lnum - curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 + 1 + p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 if (line_count <= curwin->w_height + 1)
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
382 scroll_cursor_bot(scrolljump_value(), FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 * Need to redraw when topline changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398 {
3318
c70c005f61fb updated for version 7.3.426
Bram Moolenaar <bram@vim.org>
parents: 3263
diff changeset
399 dollar_vcol = -1;
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
400 if (curwin->w_skipcol != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 /* May need to set w_skipcol when cursor in w_topline. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 validate_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
412 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 p_so = save_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 /*
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
418 * Return the scrolljump value to use for the current window.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
419 * When 'scrolljump' is positive use it as-is.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
420 * When 'scrolljump' is negative use it as a percentage of the window height.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
421 */
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
422 static int
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
423 scrolljump_value()
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
424 {
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
425 if (p_sj >= 0)
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
426 return (int)p_sj;
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
427 return (curwin->w_height * -p_sj) / 100;
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
428 }
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
429
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
430 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
431 * Return TRUE when there are not 'scrolloff' lines above the cursor for the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 * current window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
433 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
435 check_top_offset()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
436 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
437 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
438 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 if (curwin->w_cursor.lnum < curwin->w_topline + p_so
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
441 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
442 || hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
447 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 n = curwin->w_topfill; /* always have this context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 /* Count the visible screen lines above the cursor line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 while (n < p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 topline_back(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 /* Stop when included a line above the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 if (loff.lnum < curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 || (loff.lnum == curwin->w_topline && loff.fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464 n += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 if (n < p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 return FALSE;
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 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 update_curswant()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 if (curwin->w_set_curswant)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
477 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 curwin->w_curswant = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479 curwin->w_set_curswant = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 * Check if the cursor has moved. Set the w_valid flag accordingly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 check_cursor_moved(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 |VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 wp->w_valid_cursor = wp->w_cursor;
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 else if (wp->w_cursor.col != wp->w_valid_cursor.col
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498 || wp->w_leftcol != wp->w_valid_leftcol
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
499 #ifdef FEAT_VIRTUALEDIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
500 || wp->w_cursor.coladd != wp->w_valid_cursor.coladd
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 wp->w_valid_cursor.col = wp->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
506 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 #ifdef FEAT_VIRTUALEDIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 wp->w_valid_cursor.coladd = wp->w_cursor.coladd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 }
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
514 * Call this function when some window settings have changed, which require
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 * the cursor position, botline and topline to be recomputed and the window to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516 * be redrawn. E.g, when changing the 'wrap' option or folding.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 changed_window_setting()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 changed_window_setting_win(curwin);
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 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525 changed_window_setting_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
526 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528 wp->w_lines_valid = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
529 changed_line_abv_curs_win(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
530 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
531 redraw_win_later(wp, NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
532 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
533
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
534 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
535 * Set wp->w_topline to a certain number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
537 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
538 set_topline(wp, lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
539 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
540 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 /* go to first of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
544 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 /* Approximate the value of w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 wp->w_botline += lnum - wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 wp->w_topline = lnum;
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
549 #ifdef FEAT_AUTOCMD
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
550 wp->w_topline_was_set = TRUE;
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
551 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 wp->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 /* Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 }
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 * Call this function when the length of the cursor line (in screen
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 * characters) has changed, and the change is before the cursor.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 changed_cline_bef_curs()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
571
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 changed_cline_bef_curs_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
574 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 }
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 * Call this function when the length of a line (in screen characters) above
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 * the cursor have changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 changed_line_abv_curs()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 }
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 changed_line_abv_curs_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 |VALID_CHEIGHT|VALID_TOPLINE);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 * Make sure the value of curwin->w_botline is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 validate_botline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606 if (!(curwin->w_valid & VALID_BOTLINE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 comp_botline(curwin);
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))
6441
7cda721eadb0 updated for version 7.4.550
Bram Moolenaar <bram@vim.org>
parents: 6247
diff changeset
669 curs_rows(curwin);
7
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 static void
6441
7cda721eadb0 updated for version 7.4.550
Bram Moolenaar <bram@vim.org>
parents: 6247
diff changeset
678 curs_rows(wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 int all_invalid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 int valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 long fold_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 /* Check if wp->w_lines[].wl_size is invalid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 all_invalid = (!redrawing()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 || wp->w_lines_valid == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 || wp->w_lines[0].wl_lnum > wp->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 i = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 wp->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 valid = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 if (!all_invalid && i < wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
700 if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 continue; /* skip changed or deleted lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 if (wp->w_lines[i].wl_lnum == lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 /* Check for newly inserted lines below this row, in which
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 * case we need to check for folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 if (!wp->w_buffer->b_mod_set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 || wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 || wp->w_buffer->b_mod_top
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 > wp->w_lines[i].wl_lastlnum + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 valid = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 else if (wp->w_lines[i].wl_lnum > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 --i; /* hold at inserted lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 if (valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 && (lnum != wp->w_topline || !wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 lnum = wp->w_lines[i].wl_lastlnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 /* Cursor inside folded lines, don't count this row */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 ++lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 wp->w_cline_row += wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 fold_count = foldedCount(wp, lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 if (fold_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 lnum += fold_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 ++wp->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 if (lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 wp->w_cline_row += plines_win_nofill(wp, lnum++, TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 wp->w_cline_row += plines_win(wp, lnum++, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 if (!(wp->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 if (all_invalid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 || i == wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 || (i < wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 && (!wp->w_lines[i].wl_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 || wp->w_lines[i].wl_lnum != wp->w_cursor.lnum)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 if (wp->w_cursor.lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 TRUE) + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 else if (i > wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 /* a line that is too long to fit on the last screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 wp->w_cline_height = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
786 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 wp->w_cline_height = wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 wp->w_cline_folded = wp->w_lines[i].wl_folded;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
793 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
795 redraw_for_cursorline(curwin);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 wp->w_valid |= VALID_CROW|VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 * Validate curwin->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804 validate_virtcol()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 validate_virtcol_win(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 * Validate wp->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 validate_virtcol_win(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 if (!(wp->w_valid & VALID_VIRTCOL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820 wp->w_valid |= VALID_VIRTCOL;
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
821 #ifdef FEAT_SYN_HL
752
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
822 if (wp->w_p_cuc
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
823 # ifdef FEAT_INS_EXPAND
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
824 && !pum_visible()
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
825 # endif
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
826 )
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
827 redraw_win_later(wp, SOME_VALID);
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
828 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 * Validate curwin->w_cline_height only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 validate_cheight()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 if (!(curwin->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 + curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 curwin->w_cline_height = plines(curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 curwin->w_valid |= VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 /*
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
856 * Validate w_wcol and w_virtcol only.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 validate_cursor_col()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 colnr_T off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 colnr_T col;
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
863 int width;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 if (!(curwin->w_valid & VALID_WCOL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 col = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 off = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 col += off;
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
871 width = W_WIDTH(curwin) - off + curwin_col_off2();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 /* long line wrapping, adjust curwin->w_wrow */
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
874 if (curwin->w_p_wrap
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
875 && col >= (colnr_T)W_WIDTH(curwin)
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
876 && width > 0)
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
877 /* 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
878 col -= ((col - W_WIDTH(curwin)) / width + 1) * width;
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
879 if (col > (int)curwin->w_leftcol)
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
880 col -= curwin->w_leftcol;
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
881 else
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
882 col = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 curwin->w_wcol = col;
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
884
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 curwin->w_valid |= VALID_WCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 /*
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
890 * 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
891 * fold column and sign column (these don't move when scrolling horizontally).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 win_col_off(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 {
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
897 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
898 #ifdef FEAT_CMDWIN
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 + (cmdwin_type == 0 || wp != curwin ? 0 : 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 + wp->w_p_fdc
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 #ifdef FEAT_SIGNS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 + (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 # ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2178
diff changeset
907 /* show glyph gutter in netbeans */
6689
97cc4ee3e095 updated for version 7.4.669
Bram Moolenaar <bram@vim.org>
parents: 6441
diff changeset
908 wp->w_buffer->b_has_sign_column ||
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 wp->w_buffer->b_signlist != NULL ? 2 : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
914
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
915 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 curwin_col_off()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 return win_col_off(curwin);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 * 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
923 * 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
924 * 'cpoptions'.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
926 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927 win_col_off2(wp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929 {
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
930 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
931 return number_width(wp) + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 curwin_col_off2()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
938 return win_col_off2(curwin);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 * compute curwin->w_wcol and curwin->w_virtcol.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 * Also updates curwin->w_wrow and curwin->w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 * Also updates curwin->w_leftcol.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946 void
3263
320cc46d0eb0 updated for version 7.3.400
Bram Moolenaar <bram@vim.org>
parents: 2693
diff changeset
947 curs_columns(may_scroll)
320cc46d0eb0 updated for version 7.3.400
Bram Moolenaar <bram@vim.org>
parents: 2693
diff changeset
948 int may_scroll; /* when TRUE, may scroll horizontally */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 int diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 int extra; /* offset for first screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 int off_left, off_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
953 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 int p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955 int width = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 int textwidth;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957 int new_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958 colnr_T startcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
959 colnr_T endcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
960 colnr_T prev_skipcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 update_topline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 * Next make sure that w_cline_row is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 if (!(curwin->w_valid & VALID_CROW))
6441
7cda721eadb0 updated for version 7.4.550
Bram Moolenaar <bram@vim.org>
parents: 6247
diff changeset
971 curs_rows(curwin);
7
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 * Compute the number of virtual columns.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 if (curwin->w_cline_folded)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 /* In a folded line the cursor is always in the first column */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 getvvcol(curwin, &curwin->w_cursor,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 &startcol, &(curwin->w_virtcol), &endcol);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
984
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 /* remove '$' from change command when cursor moves onto it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 if (startcol > dollar_vcol)
3318
c70c005f61fb updated for version 7.3.426
Bram Moolenaar <bram@vim.org>
parents: 3263
diff changeset
987 dollar_vcol = -1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 extra = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 curwin->w_wcol = curwin->w_virtcol + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 endcol += extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 * Now compute w_wrow, counting screen lines from w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 curwin->w_wrow = curwin->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 textwidth = W_WIDTH(curwin) - extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 if (textwidth <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 /* No room for text, put cursor in last char of window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 curwin->w_wcol = W_WIDTH(curwin) - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 curwin->w_wrow = curwin->w_height - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 else if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 width = textwidth + curwin_col_off2();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 /* long line wrapping, adjust curwin->w_wrow */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 if (curwin->w_wcol >= W_WIDTH(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 {
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
1016 /* this same formula is used in validate_cursor_col() */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 n = (curwin->w_wcol - W_WIDTH(curwin)) / width + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 curwin->w_wcol -= n * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 curwin->w_wrow += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 #ifdef FEAT_LINEBREAK
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 /* When cursor wraps to first char of next line in Insert
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 * mode, the 'showbreak' string isn't shown, backup to first
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 * column */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 if (*p_sbr && *ml_get_cursor() == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 && curwin->w_wcol == (int)vim_strsize(p_sbr))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 /* No line wrapping: compute curwin->w_leftcol if scrolling is on and line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 * is not folded.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 * 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
1035 else if (may_scroll
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037 && !curwin->w_cline_folded
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1039 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 * If Cursor is left of the screen, scroll rightwards.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 * If Cursor is right of the screen, scroll leftwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 * If we get closer to the edge than 'sidescrolloff', scroll a little
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1045 * extra
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 off_left = (int)startcol - (int)curwin->w_leftcol - p_siso;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 off_right = (int)endcol - (int)(curwin->w_leftcol + W_WIDTH(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 - p_siso) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 if (off_left < 0 || off_right > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 diff = -off_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 diff = off_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 /* When far off or not enough room on either side, put cursor in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 * middle of window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 if (p_ss == 0 || diff >= textwidth / 2 || off_right >= off_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 new_leftcol = curwin->w_wcol - extra - textwidth / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1061 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1062 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1063 if (diff < p_ss)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064 diff = p_ss;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 new_leftcol = curwin->w_leftcol - diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1067 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1068 new_leftcol = curwin->w_leftcol + diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1069 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1070 if (new_leftcol < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1071 new_leftcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 if (new_leftcol != (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074 curwin->w_leftcol = new_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1075 /* screen has to be redrawn with new curwin->w_leftcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1077 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 else if (curwin->w_wcol > (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 /* Skip over filler lines. At the top use w_topfill, there
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 * may be some filler lines above the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1089 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 curwin->w_wrow += curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 prev_skipcol = curwin->w_skipcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 p_lines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 if ((curwin->w_wrow >= curwin->w_height
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 || ((prev_skipcol > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 || curwin->w_wrow + p_so >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101 && (p_lines =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 plines_win_nofill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 plines_win
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 (curwin, curwin->w_cursor.lnum, FALSE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 - 1 >= curwin->w_height))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 && curwin->w_height != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 && curwin->w_cursor.lnum == curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 && width > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 /* Cursor past end of screen. Happens with a single line that does
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 * not fit on screen. Find a skipcol to show the text around the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 * cursor. Avoid scrolling all the time. compute value of "extra":
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 * 1: Less than "p_so" lines above
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 * 2: Less than "p_so" lines below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 * 3: both of them */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124 if (curwin->w_skipcol + p_so * width > curwin->w_virtcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 /* Compute last display line of the buffer line that we want at the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 * bottom of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 if (p_lines == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 --p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 if (p_lines > curwin->w_wrow + p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 n = curwin->w_wrow + p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 n = p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 extra += 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 if (extra == 3 || p_lines < p_so * 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1140 /* not enough room for 'scrolloff', put cursor in the middle */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141 n = curwin->w_virtcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 if (n > curwin->w_height / 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 n -= curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 /* don't skip more than necessary */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 if (n > p_lines - curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 n = p_lines - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 curwin->w_skipcol = n * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 else if (extra == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 /* less then 'scrolloff' lines above, decrease skipcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 extra = (curwin->w_skipcol + p_so * width - curwin->w_virtcol
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 + width - 1) / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 if ((colnr_T)(extra * width) > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 extra = curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 curwin->w_skipcol -= extra * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 else if (extra == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 /* less then 'scrolloff' lines below, increase skipcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 endcol = (n - curwin->w_height + 1) * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 while (endcol > curwin->w_virtcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 endcol -= width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 if (endcol > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 curwin->w_skipcol = endcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 curwin->w_wrow -= curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 if (curwin->w_wrow >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 /* small window, make sure cursor is in it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 extra = curwin->w_wrow - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 curwin->w_skipcol += extra * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 curwin->w_wrow -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 win_ins_lines(curwin, 0, extra, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 else if (extra < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 win_del_lines(curwin, 0, -extra, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 if (prev_skipcol != curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
1193 #ifdef FEAT_SYN_HL
5749
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1194 /* 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
1195 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
1196 # ifdef FEAT_INS_EXPAND
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1197 && !pum_visible()
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1198 # endif
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1199 )
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1200 redraw_later(SOME_VALID);
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
1201 #endif
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
1202
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203 curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 * Scroll the current window down by "line_count" logical lines. "CTRL-Y"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 scrolldown(line_count, byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211 long line_count;
1877
b5c1cb6f8d56 updated for version 7.2-174
vimboss
parents: 1744
diff changeset
1212 int byfold UNUSED; /* TRUE: count a closed fold as one line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 long done = 0; /* total # of physical lines done */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 int wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 int moved = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 linenr_T first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221 /* Make sure w_topline is at the first of a sequence of folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 while (line_count-- > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 #ifdef FEAT_DIFF
1980
5e0c164fc1c2 updated for version 7.2-277
vimboss
parents: 1877
diff changeset
1228 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)
5e0c164fc1c2 updated for version 7.2-277
vimboss
parents: 1877
diff changeset
1229 && curwin->w_topfill < curwin->w_height - 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 ++done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244 /* A sequence of folded lines only counts for one logical line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 if (hasFolding(curwin->w_topline, &first, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 ++done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 if (!byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 line_count -= curwin->w_topline - first - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 curwin->w_botline -= curwin->w_topline - first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 curwin->w_topline = first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 done += plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 done += plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 --curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 invalidate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 curwin->w_wrow += done; /* keep w_wrow updated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 curwin->w_cline_row += done; /* keep w_cline_row updated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 curwin->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 * and move the cursor onto the displayed part of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 wrow = curwin->w_wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278 if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 wrow += curwin->w_cline_height - 1 -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 curwin->w_virtcol / W_WIDTH(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 if (hasFolding(curwin->w_cursor.lnum, &first, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 --wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 if (first == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 curwin->w_cursor.lnum = first - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1300 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1301 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 wrow -= plines(curwin->w_cursor.lnum--);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305 moved = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 if (moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 /* Move cursor to first line of closed fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 * Scroll the current window up by "line_count" logical lines. "CTRL-E"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 scrollup(line_count, byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 long line_count;
1877
b5c1cb6f8d56 updated for version 7.2-174
vimboss
parents: 1744
diff changeset
1323 int byfold UNUSED; /* TRUE: count a closed fold as one line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 #if defined(FEAT_FOLDING) || defined(FEAT_DIFF)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 if (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 (byfold && hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 ||
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 curwin->w_p_diff
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 /* count each sequence of folded lines as one logical line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342 while (line_count--)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 if (byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 if (lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 ++lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 curwin->w_topfill = diff_check_fill(curwin, lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 curwin->w_botline += lnum - curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 curwin->w_topline = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 curwin->w_topline += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 curwin->w_botline += line_count; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 curwin->w_botline = curbuf->b_ml.ml_line_count + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1383 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 /* Make sure w_topline is at the first of a sequence of folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
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 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 * Don't end up with too many filler lines in the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 check_topfill(wp, down)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 int down; /* when TRUE scroll down when not enough space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 if (wp->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 n = plines_win_nofill(wp, wp->w_topline, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 if (wp->w_topfill + n > wp->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 if (down && wp->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 --wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 wp->w_topfill = wp->w_height - n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422 if (wp->w_topfill < 0)
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 * Use as many filler lines as possible for w_topline. Make sure w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1431 * is still visible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1434 max_topfill()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 n = plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 if (n >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 if (curwin->w_topfill + n > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445 curwin->w_topfill = curwin->w_height - n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 #if defined(FEAT_INS_EXPAND) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 * 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
1453 * cursor off the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 scrolldown_clamp()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 int end_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 int can_fill = (curwin->w_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 < diff_check_fill(curwin, curwin->w_topline));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 if (curwin->w_topline <= 1
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 && !can_fill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 * doesn't go past 'scrolloff' lines from the screen end.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 end_row = curwin->w_wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 if (can_fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 ++end_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 end_row += plines_nofill(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 end_row += plines(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 end_row += curwin->w_cline_height - 1 -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 curwin->w_virtcol / W_WIDTH(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498 if (end_row < curwin->w_height - p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 if (can_fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 --curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 * 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
1524 * off the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 scrollup_clamp()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 int start_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 if (curwin->w_topline == curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 && curwin->w_topfill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 * Compute the row number of the first row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 * doesn't go before 'scrolloff' lines from the screen start.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 start_row = curwin->w_wrow - plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 if (curwin->w_p_wrap
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 #ifdef FEAT_VERTSPLIT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 && curwin->w_width != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 start_row -= curwin->w_virtcol / W_WIDTH(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 if (start_row >= p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 #endif
36
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1567 {
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1568 #ifdef FEAT_FOLDING
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1569 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1570 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 ++curwin->w_topline;
36
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1572 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 ++curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 #endif /* FEAT_INS_EXPAND */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 * 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
1581 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 * 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
1583 * Lines above the first one are incredibly high: MAXCOL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 topline_back(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 if (lp->fill < diff_check_fill(curwin, lp->lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 /* Add a filler line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 if (lp->lnum < 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 if (hasFolding(lp->lnum, &lp->lnum, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 /* Add a closed fold */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 lp->height = plines(lp->lnum);
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 * 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
1624 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 * Returns the height of the added line in "lp->height".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 * Lines below the last one are incredibly high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 botline_forw(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 /* Add a filler line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 if (lp->lnum > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 if (hasFolding(lp->lnum, NULL, &lp->lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 /* Add a closed fold */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1652 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 lp->height = plines(lp->lnum);
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 * Switch from including filler lines below lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 * lines above loff.lnum + 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 botline_topline(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 * Switch from including filler lines above lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 * lines below loff.lnum - 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 topline_botline(lp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 * Recompute topline to put the cursor at the top of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 * If "always" is TRUE, always set topline (for "zt").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 scroll_cursor_top(min_scroll, always)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 int min_scroll;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 int always;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 linenr_T top; /* just above displayed lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 linenr_T bot; /* just below displayed lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 linenr_T old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 linenr_T new_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 int off = p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 if (mouse_dragging > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 off = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 * Decrease topline until:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 * - it has become 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 * - (part of) the cursor line is moved off the screen or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 * - moved at least 'scrolljump' lines and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 * - at least 'scrolloff' lines above and below the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 used = curwin->w_cline_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 scrolled = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 if (hasFolding(curwin->w_cursor.lnum, &top, &bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 --top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 ++bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 top = curwin->w_cursor.lnum - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 bot = curwin->w_cursor.lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 new_topline = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 /* count filler lines of the cursor window as context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 i = diff_check_fill(curwin, curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 used += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 extra += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 * 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
1762 * set new_topline and advance "top" and "bot" to include more lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 while (top > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 if (hasFolding(top, &top, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 /* count one logical line for a sequence of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 i = plines(top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 used += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 if (hasFolding(bot, NULL, &bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 /* count one logical line for a sequence of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 ++used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 used += plines(bot);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 if (top < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 * If scrolling is needed, scroll at least 'sj' lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 if ((new_topline >= curwin->w_topline || scrolled > min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 && extra >= off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 extra += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 new_topline = top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 --top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 ++bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 * If we don't have enough space, put cursor in the middle.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 * This makes sure we get the same position when using "k" and "j"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 * in a small window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 * If "always" is FALSE, only adjust topline to a lower value, higher
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 * value may happen with wrapping lines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 if (new_topline < curwin->w_topline || always)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 curwin->w_topline = new_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 if (curwin->w_topline > curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 curwin->w_topline = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 if (curwin->w_topfill > 0 && extra > off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 curwin->w_topfill -= extra - off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 if (curwin->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 * 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
1842 * screen lines for text lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 set_empty_rows(wp, used)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 win_T *wp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 wp->w_filler_rows = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 if (used == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 wp->w_empty_rows = 0; /* single line that doesn't fit */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 wp->w_empty_rows = wp->w_height - used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 if (wp->w_empty_rows > wp->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 wp->w_empty_rows -= wp->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 wp->w_filler_rows = wp->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 wp->w_empty_rows = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 * Recompute topline to put the cursor at the bottom of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 * If "set_topbot" is TRUE, set topline and botline first (for "zb").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 * This is messy stuff!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 scroll_cursor_bot(min_scroll, set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 int min_scroll;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 int set_topbot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 lineoff_T boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 int old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 int fill_below_window;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 linenr_T old_botline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 linenr_T old_valid = curwin->w_valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 int old_empty_rows = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 linenr_T cln; /* Cursor Line Number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 if (set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 used = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 curwin->w_botline = cln + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 for (curwin->w_topline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 curwin->w_topline > 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 curwin->w_topline = loff.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 loff.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1915 if (loff.height == MAXCOL || used + loff.height > curwin->w_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 used += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 set_empty_rows(curwin, used);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 /* The lines of the cursor line itself are always used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 used = plines_nofill(cln);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 used = curwin->w_cline_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 /* If the cursor is below botline, we will at least scroll by the height
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 * of the cursor line. Correct for empty lines, which are really part of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 * botline. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945 if (cln >= curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1946 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947 scrolled = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 if (cln == curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 * Stop counting lines to scroll when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 * - hitting start of the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 * - scrolled nothing or at least 'sj' lines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 * - at least 'so' lines below the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 * - lines between botline and cursor have been counted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 loff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 boff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 fill_below_window = diff_check_fill(curwin, curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 while (loff.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 /* Stop when scrolled nothing or at least "min_scroll", found "extra"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 * context for 'scrolloff' and counted all lines below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 if ((((scrolled <= 0 || scrolled >= min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 && extra >= (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
1980 mouse_dragging > 0 ? mouse_dragging - 1 :
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 p_so))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 || boff.lnum + 1 > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 && loff.lnum <= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 && (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 || loff.fill >= fill_below_window)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 /* Add one line above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1994 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1995 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1996 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1997 used += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 if (loff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 && (loff.lnum > curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 || loff.fill <= fill_below_window)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 /* Count screen lines that are below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 scrolled += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 if (loff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 && boff.fill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019 /* Add one line below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 used += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 if (extra < (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 mouse_dragging > 0 ? mouse_dragging - 1 :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 p_so) || scrolled < min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030 extra += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 if (boff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 || (boff.lnum + 1 == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 && boff.fill > curwin->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 /* Count screen lines that are below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 scrolled += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040 if (boff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 && boff.fill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 /* curwin->w_empty_rows is larger, no need to scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 if (scrolled <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 /* more than a screenfull, don't scroll but redraw */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055 else if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056 line_count = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 /* scroll minimal number of lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 boff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 boff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 i += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 ++line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 if (i < scrolled) /* below curwin->w_botline, don't scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 line_count = 9999;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 * Scroll up if the cursor is off the bottom of the screen a bit.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077 * Otherwise put it at 1/2 of the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 if (line_count >= curwin->w_height && line_count > min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 scrollup(line_count, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 * 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
2086 * (we changed them).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 * If topline did change, update_screen() will set botline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 if (curwin->w_topline == old_topline && set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 curwin->w_botline = old_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 curwin->w_empty_rows = old_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 curwin->w_valid = old_valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 * Recompute topline to put the cursor halfway the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 * If "atend" is TRUE, also put it halfway at the end of the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103 scroll_cursor_halfway(atend)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 int atend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 int above = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 int topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 int below = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 lineoff_T boff;
5661
df3b0b70d8c1 updated for version 7.4.177
Bram Moolenaar <bram@vim.org>
parents: 5653
diff changeset
2115 #ifdef FEAT_DIFF
5653
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2116 linenr_T old_topline = curwin->w_topline;
5661
df3b0b70d8c1 updated for version 7.4.177
Bram Moolenaar <bram@vim.org>
parents: 5653
diff changeset
2117 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 loff.lnum = boff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 used = plines_nofill(loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 used = plines(loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 while (topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 if (below <= above) /* add a line below the cursor first */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 used += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 below += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 ++below; /* count a "~" line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 if (atend)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 ++used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 if (below > above) /* add a line above the cursor */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2154 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2155 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2156 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2157 used += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 above += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 if (!hasFolding(topline, &curwin->w_topline, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 curwin->w_topline = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 curwin->w_topfill = topfill;
5653
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2173 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
2174 curwin->w_botfill = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 * 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
2183 * 'so' lines from the top and bottom, if possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 * If not possible, put it at the same position as scroll_cursor_halfway().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 * When called topline must be valid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 cursor_correct()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 int above = 0; /* screen lines above topline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 int below = 0; /* screen lines below botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 linenr_T botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 int above_wanted, below_wanted;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 linenr_T cln; /* Cursor Line Number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 int max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 * How many lines we would like to have above/below the cursor depends on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 * whether the first/last line of the file is on screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 above_wanted = p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 below_wanted = p_so;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
2205 if (mouse_dragging > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 above_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 below_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 above_wanted = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 max_off = curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 if (below_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 below_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
2221 && mouse_dragging == 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 below_wanted = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 max_off = (curwin->w_height - 1) / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 if (above_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 above_wanted = max_off;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 * If there are sufficient file-lines above and below the cursor, we can
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 * return now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 if (cln >= curwin->w_topline + above_wanted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 && cln < curwin->w_botline - below_wanted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 && !hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 * Narrow down the area where the cursor can be put by taking lines from
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 * the top and the bottom until:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 * - the desired context lines are found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 * - the lines from the top is past the lines from the bottom
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 botline = curwin->w_botline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 /* count filler lines as context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 above = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 below = curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 while ((above < above_wanted || below < below_wanted) && topline < botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 if (below < below_wanted && (below <= above || above >= above_wanted))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 if (hasFolding(botline, &botline, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 ++below;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 below += plines(botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 --botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 if (above < above_wanted && (above < below || below >= below_wanted))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 if (hasFolding(topline, NULL, &topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 ++above;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 #ifndef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 above += plines(topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 above += plines_nofill(topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 /* Count filler lines below this line as context. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 if (topline < botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 above += diff_check_fill(curwin, topline + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 ++topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 if (topline == botline || botline == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 else if (topline > botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 if (cln < topline && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count)
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 = botline;
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 static void get_scroll_overlap __ARGS((lineoff_T *lp, int dir));
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 * move screen 'count' pages up or down and update screen
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 onepage(dir, count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 int dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 long count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 int retval = OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 if (curbuf->b_ml.ml_line_count == 1) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 for ( ; count > 0; --count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 * 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
2338 * 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
2339 * is on the screen and the topline is 'scrolloff' lines from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 * last line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 if (dir == FORWARD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - p_so)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 && curwin->w_botline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 : (curwin->w_topline == 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 && curwin->w_topfill ==
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 diff_check_fill(curwin, curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 ))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 retval = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 if (dir == FORWARD)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 {
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2362 if (firstwin == lastwin && p_window > 0 && p_window < Rows - 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 {
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2364 /* Vi compatible scrolling */
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2365 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2366 ++curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2367 else
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2368 curwin->w_topline += p_window - 2;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2369 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2370 curwin->w_topline = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2371 curwin->w_cursor.lnum = curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2372 }
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2373 else if (curwin->w_botline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2374 {
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2375 /* at end of file */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2379 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2380 curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 /* For the overlap, start with the line just below the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 * and go upwards. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 loff.lnum = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 loff.fill = diff_check_fill(curwin, loff.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 get_scroll_overlap(&loff, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 curwin->w_topline = loff.lnum;
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 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 curwin->w_valid &= ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 else /* dir == BACKWARDS */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 /* Include max number of filler lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 #endif
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2412 if (firstwin == lastwin && p_window > 0 && p_window < Rows - 1)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2413 {
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2414 /* Vi compatible scrolling (sort of) */
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2415 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2416 --curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2417 else
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2418 curwin->w_topline -= p_window - 2;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2419 if (curwin->w_topline < 1)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2420 curwin->w_topline = 1;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2421 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2422 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2423 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2424 continue;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2425 }
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2426
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 /* 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
2428 * line at the bottom of the window. Make sure this results in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 * the same line as before doing CTRL-F. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 loff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 loff.fill = diff_check_fill(curwin, loff.lnum + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 get_scroll_overlap(&loff, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 if (loff.lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 loff.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 curwin->w_cursor.lnum = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 /* Find the line just above the new topline to get the right line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 * at the bottom of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 while (n <= curwin->w_height && loff.lnum >= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2456 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2457 n = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2458 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2459 n += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 }
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2461 if (loff.lnum < 1) /* at begin of file */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 /* Go two lines forward again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 topline_botline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 /* We're at the wrong end of a fold now. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 (void)hasFolding(loff.lnum, &loff.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 /* Always scroll at least one line. Avoid getting stuck on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 * very long lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 if (loff.lnum >= curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489 && (loff.lnum > curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 || loff.fill >= curwin->w_topfill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 {
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 /* First try using the maximum number of filler lines. If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 * that's not enough, backup one line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 loff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 if (curwin->w_topfill < diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 if (curwin->w_topfill == loff.fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 comp_botline(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 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
2511 curwin->w_valid &=
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
2512 ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|VALID_CROW);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 cursor_correct();
161
6df0106fc595 updated for version 7.0049
vimboss
parents: 119
diff changeset
2530 if (retval == OK)
6df0106fc595 updated for version 7.0049
vimboss
parents: 119
diff changeset
2531 beginline(BL_SOL | BL_FIX);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 curwin->w_valid &= ~(VALID_WCOL|VALID_WROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 * Avoid the screen jumping up and down when 'scrolloff' is non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 * But make sure we scroll at least one line (happens with mix of long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537 * wrapping lines and non-wrapping line).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 if (retval == OK && dir == FORWARD && check_top_offset())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 scroll_cursor_top(1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 if (curwin->w_topline <= old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 && old_topline < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 curwin->w_topline = old_topline + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 }
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 * Decide how much overlap to use for page-up or page-down scrolling.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 * This is symmetric, so that doing both keeps the same lines displayed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 * Three lines are examined:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561 * before CTRL-F after CTRL-F / before CTRL-B
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 * etc. l1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 * l1 last but one line ------------
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 * l2 last text line l2 top text line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565 * ------------- l3 second text line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 * l3 etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 get_scroll_overlap(lp, dir)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 lineoff_T *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 int dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 int h1, h2, h3, h4;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574 int min_height = curwin->w_height - 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 lineoff_T loff0, loff1, loff2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 lp->height = plines(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 h1 = lp->height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 if (h1 > min_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 return; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 loff0 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594 h2 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2595 if (h2 == MAXCOL || h2 + h1 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 *lp = loff0; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 loff1 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 h3 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2607 if (h3 == MAXCOL || h3 + h2 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 *lp = loff0; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613 loff2 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 h4 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2619 if (h4 == MAXCOL || h4 + h3 + h2 > min_height || h3 + h2 + h1 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 *lp = loff1; /* 1 line overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 *lp = loff2; /* 2 lines overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 /* #define KEEP_SCREEN_LINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 * Scroll 'scroll' lines up or down.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 halfpage(flag, Prenum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 int flag;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 linenr_T Prenum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 long scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 int room;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 if (Prenum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 curwin->w_p_scr = (Prenum > curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642 curwin->w_height : Prenum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 n = (curwin->w_p_scr <= curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 curwin->w_p_scr : curwin->w_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 room = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 room += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 if (flag)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 * scroll the text up
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 if (--n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 i = plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 i = plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 n -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 (void)hasFolding(curwin->w_topline, NULL, &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 ++curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 curwin->w_valid &= ~(VALID_CROW|VALID_WROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 * Correct w_botline for changed w_topline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 * Won't work when there are filler lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 if (curwin->w_p_diff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 room += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 do
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 i = plines(curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 if (i > room)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 (void)hasFolding(curwin->w_botline, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 &curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 ++curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 room -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 * When hit bottom of the file: move cursor down.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 if (n > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 while (--n >= 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 (void)hasFolding(curwin->w_cursor.lnum, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 &curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 curwin->w_cursor.lnum += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 check_cursor_lnum();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 /* try to put the cursor in the same screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 while ((curwin->w_cursor.lnum < curwin->w_topline || scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 && curwin->w_cursor.lnum < curwin->w_botline - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 scrolled -= plines(curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 if (scrolled < 0 && curwin->w_cursor.lnum >= curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 (void)hasFolding(curwin->w_cursor.lnum, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 &curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 * scroll the text down
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 while (n > 0 && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 if (--n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 i = plines_nofill(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 i = plines(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 n -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 curwin->w_valid &= ~(VALID_CROW|VALID_WROW|
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796 VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 if (curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 curwin->w_valid &= ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 #ifndef KEEP_SCREEN_LINE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 * When hit top of the file: move cursor up.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 if (n > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 if (curwin->w_cursor.lnum <= (linenr_T)n)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 while (--n >= 0 && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 (void)hasFolding(curwin->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822 &curwin->w_cursor.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 curwin->w_cursor.lnum -= n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 /* try to put the cursor in the same screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 scrolled += n; /* move cursor when topline is 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 while (curwin->w_cursor.lnum > curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 && (scrolled > 0 || curwin->w_cursor.lnum >= curwin->w_botline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 scrolled -= plines(curwin->w_cursor.lnum - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 if (scrolled < 0 && curwin->w_cursor.lnum < curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 }
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 /* Move cursor to first line of closed fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 check_topfill(curwin, !flag);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 cursor_correct();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 beginline(BL_SOL | BL_FIX);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 }
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2856
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2857 #if defined(FEAT_CURSORBIND) || defined(PROTO)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2858 void
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2859 do_check_cursorbind()
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2860 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2861 linenr_T line = curwin->w_cursor.lnum;
3415
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2862 colnr_T col = curwin->w_cursor.col;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2863 # ifdef FEAT_VIRTUALEDIT
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2864 colnr_T coladd = curwin->w_cursor.coladd;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2865 # endif
3433
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2866 colnr_T curswant = curwin->w_curswant;
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2867 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
2868 win_T *old_curwin = curwin;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2869 buf_T *old_curbuf = curbuf;
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2870 int restart_edit_save;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2871 int old_VIsual_select = VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2872 int old_VIsual_active = VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2873
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2874 /*
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2875 * loop through the cursorbound windows
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2876 */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2877 VIsual_select = VIsual_active = 0;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2878 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
2879 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2880 curbuf = curwin->w_buffer;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2881 /* skip original window and windows with 'noscrollbind' */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2882 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
2883 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2884 # ifdef FEAT_DIFF
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2885 if (curwin->w_p_diff)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2886 curwin->w_cursor.lnum
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2887 = diff_get_corresponding_line(old_curbuf,
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2888 line,
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2889 curbuf,
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2890 curwin->w_cursor.lnum);
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2891 else
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2892 # endif
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2893 curwin->w_cursor.lnum = line;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2894 curwin->w_cursor.col = col;
3415
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2895 # ifdef FEAT_VIRTUALEDIT
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2896 curwin->w_cursor.coladd = coladd;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2897 # endif
3433
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2898 curwin->w_curswant = curswant;
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2899 curwin->w_set_curswant = set_curswant;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2900
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2901 /* 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
2902 * "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
2903 restart_edit_save = restart_edit;
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2904 restart_edit = TRUE;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2905 check_cursor();
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2906 restart_edit = restart_edit_save;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2907 # ifdef FEAT_MBYTE
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2908 /* Correct cursor for multi-byte character. */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2909 if (has_mbyte)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2910 mb_adjust_cursor();
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2911 # endif
2688
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2912 redraw_later(VALID);
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2913
2688
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2914 /* Only scroll when 'scrollbind' hasn't done this. */
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2915 if (!curwin->w_p_scb)
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2916 update_topline();
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2917 # ifdef FEAT_WINDOWS
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2918 curwin->w_redr_status = TRUE;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2919 # endif
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2920 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2921 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2922
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2923 /*
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2924 * reset current-window
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2925 */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2926 VIsual_select = old_VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2927 VIsual_active = old_VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2928 curwin = old_curwin;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2929 curbuf = old_curbuf;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2930 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2931 #endif /* FEAT_CURSORBIND */