Mercurial > vim
annotate src/popupmnu.c @ 12871:1a450ce6980c v8.0.1312
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
commit https://github.com/vim/vim/commit/c3719bd87beca9f72d2e9f11e36d561c2c3b57b0
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Nov 18 22:13:31 2017 +0100
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
Problem: balloon_show() only works in terminal when compiled with the GUI.
Solution: Add FEAT_BEVAL_GUI and refactor to move common code out of the GUI
specific file.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 18 Nov 2017 22:15:05 +0100 |
| parents | ebb4f6c93598 |
| children | 058e93aee621 |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 800 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * popupmnu.c: Popup menu (PUM) | |
| 12 */ | |
| 13 #include "vim.h" | |
| 14 | |
| 15 #if defined(FEAT_INS_EXPAND) || defined(PROTO) | |
| 16 | |
| 17 static pumitem_T *pum_array = NULL; /* items of displayed pum */ | |
| 18 static int pum_size; /* nr of items in "pum_array" */ | |
| 19 static int pum_selected; /* index of selected item or -1 */ | |
| 20 static int pum_first = 0; /* index of top item */ | |
| 21 | |
| 22 static int pum_height; /* nr of displayed pum items */ | |
| 23 static int pum_width; /* width of displayed pum items */ | |
| 24 static int pum_base_width; /* width of pum items base */ | |
| 25 static int pum_kind_width; /* width of pum items kind column */ | |
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26 static int pum_extra_width; /* width of extra stuff */ |
| 800 | 27 static int pum_scrollbar; /* TRUE when scrollbar present */ |
| 28 | |
| 29 static int pum_row; /* top row of pum */ | |
| 30 static int pum_col; /* left column of pum */ | |
| 31 | |
| 32 static int pum_do_redraw = FALSE; /* do redraw anyway */ | |
| 33 | |
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34 static int pum_set_selected(int n, int repeat); |
| 800 | 35 |
| 36 #define PUM_DEF_HEIGHT 10 | |
| 37 #define PUM_DEF_WIDTH 15 | |
| 38 | |
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39 static void |
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40 pum_compute_size(void) |
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41 { |
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42 int i; |
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43 int w; |
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44 |
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45 /* Compute the width of the widest match and the widest extra. */ |
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46 pum_base_width = 0; |
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47 pum_kind_width = 0; |
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48 pum_extra_width = 0; |
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49 for (i = 0; i < pum_size; ++i) |
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50 { |
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51 w = vim_strsize(pum_array[i].pum_text); |
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52 if (pum_base_width < w) |
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53 pum_base_width = w; |
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54 if (pum_array[i].pum_kind != NULL) |
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55 { |
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56 w = vim_strsize(pum_array[i].pum_kind) + 1; |
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57 if (pum_kind_width < w) |
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58 pum_kind_width = w; |
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59 } |
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60 if (pum_array[i].pum_extra != NULL) |
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61 { |
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62 w = vim_strsize(pum_array[i].pum_extra) + 1; |
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63 if (pum_extra_width < w) |
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64 pum_extra_width = w; |
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65 } |
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66 } |
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67 } |
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68 |
| 800 | 69 /* |
| 70 * Show the popup menu with items "array[size]". | |
| 71 * "array" must remain valid until pum_undisplay() is called! | |
| 72 * When possible the leftmost character is aligned with screen column "col". | |
| 73 * The menu appears above the screen line "row" or at "row" + "height" - 1. | |
| 74 */ | |
| 75 void | |
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76 pum_display( |
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77 pumitem_T *array, |
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78 int size, |
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79 int selected) /* index of initially selected item, none if |
| 800 | 80 out of range */ |
| 81 { | |
| 82 int def_width; | |
| 83 int max_width; | |
| 84 int row; | |
| 1622 | 85 int context_lines; |
| 800 | 86 int col; |
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87 int above_row; |
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88 int below_row; |
| 838 | 89 int redo_count = 0; |
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90 #if defined(FEAT_QUICKFIX) |
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91 win_T *pvwin; |
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92 #endif |
| 800 | 93 |
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94 do |
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95 { |
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96 def_width = PUM_DEF_WIDTH; |
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97 above_row = 0; |
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98 below_row = cmdline_row; |
| 800 | 99 |
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100 /* Pretend the pum is already there to avoid that must_redraw is set |
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101 * when 'cuc' is on. */ |
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102 pum_array = (pumitem_T *)1; |
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103 validate_cursor_col(); |
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104 pum_array = NULL; |
| 800 | 105 |
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106 row = curwin->w_wrow + W_WINROW(curwin); |
| 800 | 107 |
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108 #if defined(FEAT_QUICKFIX) |
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109 FOR_ALL_WINDOWS(pvwin) |
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110 if (pvwin->w_p_pvw) |
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111 break; |
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112 if (pvwin != NULL) |
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113 { |
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114 if (W_WINROW(pvwin) < W_WINROW(curwin)) |
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115 above_row = W_WINROW(pvwin) + pvwin->w_height; |
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116 else if (W_WINROW(pvwin) > W_WINROW(curwin) + curwin->w_height) |
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117 below_row = W_WINROW(pvwin); |
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118 } |
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119 #endif |
| 800 | 120 |
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121 /* |
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122 * Figure out the size and position of the pum. |
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123 */ |
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124 if (size < PUM_DEF_HEIGHT) |
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125 pum_height = size; |
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126 else |
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127 pum_height = PUM_DEF_HEIGHT; |
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128 if (p_ph > 0 && pum_height > p_ph) |
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129 pum_height = p_ph; |
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130 |
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131 /* Put the pum below "row" if possible. If there are few lines decide |
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132 * on where there is more room. */ |
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133 if (row + 2 >= below_row - pum_height |
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134 && row - above_row > (below_row - above_row) / 2) |
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135 { |
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136 /* pum above "row" */ |
| 800 | 137 |
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138 /* Leave two lines of context if possible */ |
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139 if (curwin->w_wrow - curwin->w_cline_row >= 2) |
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140 context_lines = 2; |
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141 else |
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142 context_lines = curwin->w_wrow - curwin->w_cline_row; |
| 1622 | 143 |
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144 if (row >= size + context_lines) |
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145 { |
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146 pum_row = row - size - context_lines; |
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147 pum_height = size; |
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148 } |
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149 else |
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150 { |
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151 pum_row = 0; |
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152 pum_height = row - context_lines; |
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153 } |
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154 if (p_ph > 0 && pum_height > p_ph) |
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155 { |
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156 pum_row += pum_height - p_ph; |
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157 pum_height = p_ph; |
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158 } |
| 800 | 159 } |
| 160 else | |
| 161 { | |
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162 /* pum below "row" */ |
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163 |
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164 /* Leave two lines of context if possible */ |
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165 if (curwin->w_cline_row |
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166 + curwin->w_cline_height - curwin->w_wrow >= 3) |
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167 context_lines = 3; |
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168 else |
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169 context_lines = curwin->w_cline_row |
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170 + curwin->w_cline_height - curwin->w_wrow; |
| 1622 | 171 |
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172 pum_row = row + context_lines; |
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173 if (size > below_row - pum_row) |
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174 pum_height = below_row - pum_row; |
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175 else |
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176 pum_height = size; |
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177 if (p_ph > 0 && pum_height > p_ph) |
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178 pum_height = p_ph; |
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179 } |
| 1622 | 180 |
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181 /* don't display when we only have room for one line */ |
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182 if (pum_height < 1 || (pum_height == 1 && size > 1)) |
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183 return; |
| 800 | 184 |
|
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185 #if defined(FEAT_QUICKFIX) |
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186 /* If there is a preview window at the above avoid drawing over it. */ |
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187 if (pvwin != NULL && pum_row < above_row && pum_height > above_row) |
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188 { |
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189 pum_row += above_row; |
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190 pum_height -= above_row; |
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191 } |
|
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192 #endif |
| 800 | 193 |
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194 pum_array = array; |
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195 pum_size = size; |
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196 pum_compute_size(); |
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197 max_width = pum_base_width; |
| 800 | 198 |
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199 /* Calculate column */ |
| 1344 | 200 #ifdef FEAT_RIGHTLEFT |
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201 if (curwin->w_p_rl) |
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202 col = curwin->w_wincol + curwin->w_width - curwin->w_wcol - 1; |
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203 else |
| 1344 | 204 #endif |
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205 col = curwin->w_wincol + curwin->w_wcol; |
| 1344 | 206 |
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207 /* if there are more items than room we need a scrollbar */ |
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208 if (pum_height < size) |
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209 { |
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210 pum_scrollbar = 1; |
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211 ++max_width; |
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212 } |
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213 else |
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214 pum_scrollbar = 0; |
| 800 | 215 |
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216 if (def_width < max_width) |
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217 def_width = max_width; |
| 800 | 218 |
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219 if (((col < Columns - PUM_DEF_WIDTH || col < Columns - max_width) |
| 1344 | 220 #ifdef FEAT_RIGHTLEFT |
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221 && !curwin->w_p_rl) |
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222 || (curwin->w_p_rl && (col > PUM_DEF_WIDTH || col > max_width) |
| 1344 | 223 #endif |
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224 )) |
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225 { |
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226 /* align pum column with "col" */ |
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227 pum_col = col; |
| 1344 | 228 |
| 229 #ifdef FEAT_RIGHTLEFT | |
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230 if (curwin->w_p_rl) |
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231 pum_width = pum_col - pum_scrollbar + 1; |
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232 else |
| 1344 | 233 #endif |
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234 pum_width = Columns - pum_col - pum_scrollbar; |
| 1344 | 235 |
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236 if (pum_width > max_width + pum_kind_width + pum_extra_width + 1 |
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237 && pum_width > PUM_DEF_WIDTH) |
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238 { |
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239 pum_width = max_width + pum_kind_width + pum_extra_width + 1; |
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240 if (pum_width < PUM_DEF_WIDTH) |
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241 pum_width = PUM_DEF_WIDTH; |
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242 } |
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243 } |
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244 else if (Columns < def_width) |
| 800 | 245 { |
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246 /* not enough room, will use what we have */ |
| 1344 | 247 #ifdef FEAT_RIGHTLEFT |
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248 if (curwin->w_p_rl) |
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249 pum_col = Columns - 1; |
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250 else |
| 1344 | 251 #endif |
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252 pum_col = 0; |
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253 pum_width = Columns - 1; |
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254 } |
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255 else |
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256 { |
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257 if (max_width > PUM_DEF_WIDTH) |
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258 max_width = PUM_DEF_WIDTH; /* truncate */ |
| 1344 | 259 #ifdef FEAT_RIGHTLEFT |
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260 if (curwin->w_p_rl) |
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261 pum_col = max_width - 1; |
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262 else |
| 1344 | 263 #endif |
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264 pum_col = Columns - max_width; |
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265 pum_width = max_width - pum_scrollbar; |
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266 } |
| 800 | 267 |
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268 /* Set selected item and redraw. If the window size changed need to |
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269 * redo the positioning. Limit this to two times, when there is not |
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270 * much room the window size will keep changing. */ |
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271 } while (pum_set_selected(selected, redo_count) && ++redo_count <= 2); |
| 800 | 272 } |
| 273 | |
| 274 /* | |
| 275 * Redraw the popup menu, using "pum_first" and "pum_selected". | |
| 276 */ | |
| 277 void | |
|
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278 pum_redraw(void) |
| 800 | 279 { |
| 280 int row = pum_row; | |
| 281 int col; | |
| 282 int attr_norm = highlight_attr[HLF_PNI]; | |
| 283 int attr_select = highlight_attr[HLF_PSI]; | |
| 284 int attr_scroll = highlight_attr[HLF_PSB]; | |
| 285 int attr_thumb = highlight_attr[HLF_PST]; | |
| 286 int attr; | |
| 287 int i; | |
| 288 int idx; | |
| 289 char_u *s; | |
| 290 char_u *p = NULL; | |
| 291 int totwidth, width, w; | |
| 292 int thumb_pos = 0; | |
| 293 int thumb_heigth = 1; | |
| 294 int round; | |
| 295 int n; | |
| 296 | |
| 5444 | 297 /* Never display more than we have */ |
| 298 if (pum_first > pum_size - pum_height) | |
| 299 pum_first = pum_size - pum_height; | |
| 300 | |
| 800 | 301 if (pum_scrollbar) |
| 302 { | |
| 303 thumb_heigth = pum_height * pum_height / pum_size; | |
| 304 if (thumb_heigth == 0) | |
| 305 thumb_heigth = 1; | |
| 306 thumb_pos = (pum_first * (pum_height - thumb_heigth) | |
| 307 + (pum_size - pum_height) / 2) | |
| 308 / (pum_size - pum_height); | |
| 309 } | |
| 310 | |
| 311 for (i = 0; i < pum_height; ++i) | |
| 312 { | |
| 313 idx = i + pum_first; | |
| 314 attr = (idx == pum_selected) ? attr_select : attr_norm; | |
| 315 | |
| 316 /* prepend a space if there is room */ | |
| 1344 | 317 #ifdef FEAT_RIGHTLEFT |
| 318 if (curwin->w_p_rl) | |
| 319 { | |
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320 if (pum_col < curwin->w_wincol + curwin->w_width - 1) |
| 1344 | 321 screen_putchar(' ', row, pum_col + 1, attr); |
| 322 } | |
| 323 else | |
| 324 #endif | |
| 325 if (pum_col > 0) | |
| 326 screen_putchar(' ', row, pum_col - 1, attr); | |
| 800 | 327 |
| 328 /* Display each entry, use two spaces for a Tab. | |
| 329 * Do this 3 times: For the main text, kind and extra info */ | |
| 330 col = pum_col; | |
| 331 totwidth = 0; | |
| 332 for (round = 1; round <= 3; ++round) | |
| 333 { | |
| 334 width = 0; | |
| 335 s = NULL; | |
| 336 switch (round) | |
| 337 { | |
| 338 case 1: p = pum_array[idx].pum_text; break; | |
| 339 case 2: p = pum_array[idx].pum_kind; break; | |
| 340 case 3: p = pum_array[idx].pum_extra; break; | |
| 341 } | |
| 342 if (p != NULL) | |
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343 for ( ; ; MB_PTR_ADV(p)) |
| 800 | 344 { |
| 345 if (s == NULL) | |
| 346 s = p; | |
| 347 w = ptr2cells(p); | |
| 348 if (*p == NUL || *p == TAB || totwidth + w > pum_width) | |
| 349 { | |
| 1097 | 350 /* Display the text that fits or comes before a Tab. |
| 351 * First convert it to printable characters. */ | |
| 1344 | 352 char_u *st; |
| 353 int saved = *p; | |
| 1097 | 354 |
| 355 *p = NUL; | |
| 356 st = transstr(s); | |
| 357 *p = saved; | |
| 1344 | 358 #ifdef FEAT_RIGHTLEFT |
| 359 if (curwin->w_p_rl) | |
| 1097 | 360 { |
| 1344 | 361 if (st != NULL) |
| 362 { | |
| 363 char_u *rt = reverse_text(st); | |
| 364 | |
| 365 if (rt != NULL) | |
| 366 { | |
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367 char_u *rt_start = rt; |
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368 int size; |
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369 |
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370 size = vim_strsize(rt); |
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371 if (size > pum_width) |
| 1344 | 372 { |
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373 do |
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374 { |
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375 size -= has_mbyte |
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376 ? (*mb_ptr2cells)(rt) : 1; |
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377 MB_PTR_ADV(rt); |
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378 } while (size > pum_width); |
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379 |
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380 if (size < pum_width) |
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381 { |
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382 /* Most left character requires |
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383 * 2-cells but only 1 cell is |
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384 * available on screen. Put a |
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385 * '<' on the left of the pum |
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386 * item */ |
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387 *(--rt) = '<'; |
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388 size++; |
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389 } |
| 1344 | 390 } |
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391 screen_puts_len(rt, (int)STRLEN(rt), |
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392 row, col - size + 1, attr); |
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393 vim_free(rt_start); |
| 1344 | 394 } |
| 395 vim_free(st); | |
| 396 } | |
| 397 col -= width; | |
| 398 } | |
| 399 else | |
| 400 #endif | |
| 401 { | |
| 402 if (st != NULL) | |
| 403 { | |
| 404 screen_puts_len(st, (int)STRLEN(st), row, col, | |
| 1097 | 405 attr); |
| 1344 | 406 vim_free(st); |
| 407 } | |
| 408 col += width; | |
| 1097 | 409 } |
| 800 | 410 |
| 411 if (*p != TAB) | |
| 412 break; | |
| 413 | |
| 414 /* Display two spaces for a Tab. */ | |
| 1344 | 415 #ifdef FEAT_RIGHTLEFT |
| 416 if (curwin->w_p_rl) | |
| 417 { | |
| 418 screen_puts_len((char_u *)" ", 2, row, col - 1, | |
| 419 attr); | |
| 420 col -= 2; | |
| 421 } | |
| 422 else | |
| 423 #endif | |
| 424 { | |
| 425 screen_puts_len((char_u *)" ", 2, row, col, attr); | |
| 426 col += 2; | |
| 427 } | |
| 800 | 428 totwidth += 2; |
| 429 s = NULL; /* start text at next char */ | |
| 430 width = 0; | |
| 431 } | |
| 432 else | |
| 433 width += w; | |
| 434 } | |
| 435 | |
| 436 if (round > 1) | |
| 437 n = pum_kind_width + 1; | |
| 438 else | |
| 439 n = 1; | |
| 440 | |
| 441 /* Stop when there is nothing more to display. */ | |
| 442 if (round == 3 | |
| 443 || (round == 2 && pum_array[idx].pum_extra == NULL) | |
| 444 || (round == 1 && pum_array[idx].pum_kind == NULL | |
| 445 && pum_array[idx].pum_extra == NULL) | |
| 446 || pum_base_width + n >= pum_width) | |
| 447 break; | |
| 1344 | 448 #ifdef FEAT_RIGHTLEFT |
| 449 if (curwin->w_p_rl) | |
| 450 { | |
| 451 screen_fill(row, row + 1, pum_col - pum_base_width - n + 1, | |
| 452 col + 1, ' ', ' ', attr); | |
| 453 col = pum_col - pum_base_width - n + 1; | |
| 454 } | |
| 455 else | |
| 456 #endif | |
| 457 { | |
| 458 screen_fill(row, row + 1, col, pum_col + pum_base_width + n, | |
| 800 | 459 ' ', ' ', attr); |
| 1344 | 460 col = pum_col + pum_base_width + n; |
| 461 } | |
| 800 | 462 totwidth = pum_base_width + n; |
| 463 } | |
| 464 | |
| 1344 | 465 #ifdef FEAT_RIGHTLEFT |
| 466 if (curwin->w_p_rl) | |
| 467 screen_fill(row, row + 1, pum_col - pum_width + 1, col + 1, ' ', | |
| 468 ' ', attr); | |
| 469 else | |
| 470 #endif | |
| 471 screen_fill(row, row + 1, col, pum_col + pum_width, ' ', ' ', | |
| 472 attr); | |
| 800 | 473 if (pum_scrollbar > 0) |
| 1344 | 474 { |
| 475 #ifdef FEAT_RIGHTLEFT | |
| 476 if (curwin->w_p_rl) | |
| 477 screen_putchar(' ', row, pum_col - pum_width, | |
| 478 i >= thumb_pos && i < thumb_pos + thumb_heigth | |
| 800 | 479 ? attr_thumb : attr_scroll); |
| 1344 | 480 else |
| 481 #endif | |
| 482 screen_putchar(' ', row, pum_col + pum_width, | |
| 483 i >= thumb_pos && i < thumb_pos + thumb_heigth | |
| 484 ? attr_thumb : attr_scroll); | |
| 485 } | |
| 800 | 486 |
| 487 ++row; | |
| 488 } | |
| 489 } | |
| 490 | |
| 491 /* | |
| 492 * Set the index of the currently selected item. The menu will scroll when | |
| 493 * necessary. When "n" is out of range don't scroll. | |
| 838 | 494 * This may be repeated when the preview window is used: |
| 495 * "repeat" == 0: open preview window normally | |
| 496 * "repeat" == 1: open preview window but don't set the size | |
| 497 * "repeat" == 2: don't open preview window | |
| 800 | 498 * Returns TRUE when the window was resized and the location of the popup menu |
| 499 * must be recomputed. | |
| 500 */ | |
| 501 static int | |
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502 pum_set_selected(int n, int repeat) |
| 800 | 503 { |
| 504 int resized = FALSE; | |
| 505 int context = pum_height / 2; | |
| 506 | |
| 507 pum_selected = n; | |
| 508 | |
| 509 if (pum_selected >= 0 && pum_selected < pum_size) | |
| 510 { | |
| 511 if (pum_first > pum_selected - 4) | |
| 512 { | |
| 513 /* scroll down; when we did a jump it's probably a PageUp then | |
| 514 * scroll a whole page */ | |
| 515 if (pum_first > pum_selected - 2) | |
| 516 { | |
| 517 pum_first -= pum_height - 2; | |
| 518 if (pum_first < 0) | |
| 519 pum_first = 0; | |
| 520 else if (pum_first > pum_selected) | |
| 521 pum_first = pum_selected; | |
| 522 } | |
| 523 else | |
| 524 pum_first = pum_selected; | |
| 525 } | |
| 526 else if (pum_first < pum_selected - pum_height + 5) | |
| 527 { | |
| 528 /* scroll up; when we did a jump it's probably a PageDown then | |
| 529 * scroll a whole page */ | |
| 530 if (pum_first < pum_selected - pum_height + 1 + 2) | |
| 531 { | |
| 532 pum_first += pum_height - 2; | |
| 533 if (pum_first < pum_selected - pum_height + 1) | |
| 534 pum_first = pum_selected - pum_height + 1; | |
| 535 } | |
| 536 else | |
| 537 pum_first = pum_selected - pum_height + 1; | |
| 538 } | |
| 539 | |
| 540 /* Give a few lines of context when possible. */ | |
| 541 if (context > 3) | |
| 542 context = 3; | |
| 543 if (pum_height > 2) | |
| 544 { | |
| 545 if (pum_first > pum_selected - context) | |
| 546 { | |
| 547 /* scroll down */ | |
| 548 pum_first = pum_selected - context; | |
| 549 if (pum_first < 0) | |
| 550 pum_first = 0; | |
| 551 } | |
| 552 else if (pum_first < pum_selected + context - pum_height + 1) | |
| 553 { | |
| 554 /* scroll up */ | |
| 555 pum_first = pum_selected + context - pum_height + 1; | |
| 556 } | |
| 557 } | |
| 558 | |
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559 #if defined(FEAT_QUICKFIX) |
| 816 | 560 /* |
| 561 * Show extra info in the preview window if there is something and | |
| 562 * 'completeopt' contains "preview". | |
| 838 | 563 * Skip this when tried twice already. |
| 564 * Skip this also when there is not much room. | |
| 816 | 565 * NOTE: Be very careful not to sync undo! |
| 566 */ | |
| 800 | 567 if (pum_array[pum_selected].pum_info != NULL |
| 838 | 568 && Rows > 10 |
| 569 && repeat <= 1 | |
| 570 && vim_strchr(p_cot, 'p') != NULL) | |
| 800 | 571 { |
| 572 win_T *curwin_save = curwin; | |
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573 tabpage_T *curtab_save = curtab; |
| 800 | 574 int res = OK; |
| 575 | |
| 2622 | 576 /* Open a preview window. 3 lines by default. Prefer |
| 577 * 'previewheight' if set and smaller. */ | |
| 800 | 578 g_do_tagpreview = 3; |
| 2622 | 579 if (p_pvh > 0 && p_pvh < g_do_tagpreview) |
| 580 g_do_tagpreview = p_pvh; | |
| 6043 | 581 ++RedrawingDisabled; |
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582 /* Prevent undo sync here, if an autocommand syncs undo weird |
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583 * things can happen to the undo tree. */ |
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584 ++no_u_sync; |
| 816 | 585 resized = prepare_tagpreview(FALSE); |
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586 --no_u_sync; |
| 6043 | 587 --RedrawingDisabled; |
| 800 | 588 g_do_tagpreview = 0; |
| 589 | |
| 590 if (curwin->w_p_pvw) | |
| 591 { | |
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592 if (!resized |
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593 && curbuf->b_nwindows == 1 |
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594 && curbuf->b_fname == NULL |
| 800 | 595 && curbuf->b_p_bt[0] == 'n' && curbuf->b_p_bt[2] == 'f' |
| 596 && curbuf->b_p_bh[0] == 'w') | |
| 597 { | |
| 598 /* Already a "wipeout" buffer, make it empty. */ | |
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599 while (!BUFEMPTY()) |
| 800 | 600 ml_delete((linenr_T)1, FALSE); |
| 601 } | |
| 825 | 602 else |
| 800 | 603 { |
| 825 | 604 /* Don't want to sync undo in the current buffer. */ |
| 605 ++no_u_sync; | |
| 1743 | 606 res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL); |
| 825 | 607 --no_u_sync; |
| 608 if (res == OK) | |
| 609 { | |
| 610 /* Edit a new, empty buffer. Set options for a "wipeout" | |
| 611 * buffer. */ | |
| 612 set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); | |
| 613 set_option_value((char_u *)"bt", 0L, | |
| 614 (char_u *)"nofile", OPT_LOCAL); | |
| 615 set_option_value((char_u *)"bh", 0L, | |
| 616 (char_u *)"wipe", OPT_LOCAL); | |
| 617 set_option_value((char_u *)"diff", 0L, | |
| 1302 | 618 NULL, OPT_LOCAL); |
| 825 | 619 } |
| 800 | 620 } |
| 621 if (res == OK) | |
| 622 { | |
| 623 char_u *p, *e; | |
| 624 linenr_T lnum = 0; | |
| 625 | |
| 626 for (p = pum_array[pum_selected].pum_info; *p != NUL; ) | |
| 627 { | |
| 628 e = vim_strchr(p, '\n'); | |
| 629 if (e == NULL) | |
| 630 { | |
| 631 ml_append(lnum++, p, 0, FALSE); | |
| 632 break; | |
| 633 } | |
| 634 else | |
| 635 { | |
| 636 *e = NUL; | |
| 835 | 637 ml_append(lnum++, p, (int)(e - p + 1), FALSE); |
| 800 | 638 *e = '\n'; |
| 639 p = e + 1; | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 /* Increase the height of the preview window to show the | |
| 644 * text, but no more than 'previewheight' lines. */ | |
| 838 | 645 if (repeat == 0) |
| 800 | 646 { |
| 838 | 647 if (lnum > p_pvh) |
| 648 lnum = p_pvh; | |
| 649 if (curwin->w_height < lnum) | |
| 650 { | |
| 651 win_setheight((int)lnum); | |
| 652 resized = TRUE; | |
| 653 } | |
| 800 | 654 } |
| 655 | |
| 656 curbuf->b_changed = 0; | |
| 657 curbuf->b_p_ma = FALSE; | |
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658 curwin->w_cursor.lnum = 1; |
| 800 | 659 curwin->w_cursor.col = 0; |
| 660 | |
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661 if ((curwin != curwin_save && win_valid(curwin_save)) |
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662 || (curtab != curtab_save |
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663 && valid_tabpage(curtab_save))) |
| 800 | 664 { |
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665 if (curtab != curtab_save && valid_tabpage(curtab_save)) |
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666 goto_tabpage_tp(curtab_save, FALSE, FALSE); |
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667 |
| 6089 | 668 /* When the first completion is done and the preview |
| 669 * window is not resized, skip the preview window's | |
| 670 * status line redrawing. */ | |
| 671 if (ins_compl_active() && !resized) | |
| 672 curwin->w_redr_status = FALSE; | |
| 673 | |
| 800 | 674 /* Return cursor to where we were */ |
| 675 validate_cursor(); | |
| 676 redraw_later(SOME_VALID); | |
| 677 | |
| 678 /* When the preview window was resized we need to | |
| 679 * update the view on the buffer. Only go back to | |
| 680 * the window when needed, otherwise it will always be | |
| 681 * redraw. */ | |
| 682 if (resized) | |
| 683 { | |
|
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684 ++no_u_sync; |
| 800 | 685 win_enter(curwin_save, TRUE); |
|
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686 --no_u_sync; |
| 800 | 687 update_topline(); |
| 688 } | |
| 689 | |
| 690 /* Update the screen before drawing the popup menu. | |
| 691 * Enable updating the status lines. */ | |
| 692 pum_do_redraw = TRUE; | |
| 693 update_screen(0); | |
| 694 pum_do_redraw = FALSE; | |
| 695 | |
| 816 | 696 if (!resized && win_valid(curwin_save)) |
|
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697 { |
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698 ++no_u_sync; |
| 800 | 699 win_enter(curwin_save, TRUE); |
|
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700 --no_u_sync; |
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|
701 } |
| 800 | 702 |
| 703 /* May need to update the screen again when there are | |
| 704 * autocommands involved. */ | |
| 705 pum_do_redraw = TRUE; | |
| 706 update_screen(0); | |
| 707 pum_do_redraw = FALSE; | |
| 708 } | |
| 709 } | |
| 710 } | |
| 711 } | |
| 712 #endif | |
| 713 } | |
| 714 | |
| 715 if (!resized) | |
| 716 pum_redraw(); | |
| 717 | |
| 718 return resized; | |
| 719 } | |
| 720 | |
| 721 /* | |
| 722 * Undisplay the popup menu (later). | |
| 723 */ | |
| 724 void | |
|
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725 pum_undisplay(void) |
| 800 | 726 { |
| 727 pum_array = NULL; | |
| 728 redraw_all_later(SOME_VALID); | |
| 940 | 729 redraw_tabline = TRUE; |
| 800 | 730 status_redraw_all(); |
| 731 } | |
| 732 | |
| 733 /* | |
| 734 * Clear the popup menu. Currently only resets the offset to the first | |
| 735 * displayed item. | |
| 736 */ | |
| 737 void | |
|
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738 pum_clear(void) |
| 800 | 739 { |
| 740 pum_first = 0; | |
| 741 } | |
| 742 | |
| 743 /* | |
| 744 * Return TRUE if the popup menu is displayed. | |
| 745 * Overruled when "pum_do_redraw" is set, used to redraw the status lines. | |
| 746 */ | |
| 747 int | |
|
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748 pum_visible(void) |
| 800 | 749 { |
| 750 return !pum_do_redraw && pum_array != NULL; | |
| 751 } | |
| 752 | |
| 753 /* | |
| 754 * Return the height of the popup menu, the number of entries visible. | |
| 755 * Only valid when pum_visible() returns TRUE! | |
| 756 */ | |
| 757 int | |
|
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758 pum_get_height(void) |
| 800 | 759 { |
| 760 return pum_height; | |
| 761 } | |
| 762 | |
|
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763 # if defined(FEAT_BEVAL_TERM) || defined(PROTO) |
|
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764 static pumitem_T *balloon_array = NULL; |
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765 static int balloon_arraysize; |
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766 static int balloon_mouse_row = 0; |
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767 static int balloon_mouse_col = 0; |
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768 |
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769 #define BALLOON_MIN_WIDTH 40 |
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770 #define BALLOON_MIN_HEIGHT 10 |
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771 |
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772 void |
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773 ui_remove_balloon(void) |
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774 { |
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775 if (balloon_array != NULL) |
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776 { |
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777 pum_undisplay(); |
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778 while (balloon_arraysize > 0) |
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779 vim_free(balloon_array[--balloon_arraysize].pum_text); |
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780 vim_free(balloon_array); |
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781 balloon_array = NULL; |
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782 } |
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783 } |
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784 |
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785 /* |
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786 * Terminal version of a balloon, uses the popup menu code. |
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787 */ |
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788 void |
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789 ui_post_balloon(char_u *mesg) |
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790 { |
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791 ui_remove_balloon(); |
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792 |
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793 /* TODO: split the text in multiple lines. */ |
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794 balloon_arraysize = 3; |
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795 balloon_array = (pumitem_T *)alloc_clear( |
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796 (unsigned)sizeof(pumitem_T) * balloon_arraysize); |
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797 if (balloon_array != NULL) |
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798 { |
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799 /* Add an empty line above and below, looks better. */ |
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800 balloon_array[0].pum_text = vim_strsave((char_u *)""); |
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801 balloon_array[1].pum_text = vim_strsave(mesg); |
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802 balloon_array[2].pum_text = vim_strsave((char_u *)""); |
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803 |
|
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804 pum_array = balloon_array; |
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805 pum_size = balloon_arraysize; |
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806 pum_compute_size(); |
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807 pum_scrollbar = 0; |
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808 pum_height = balloon_arraysize; |
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809 |
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810 if (Rows - mouse_row > BALLOON_MIN_HEIGHT) |
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811 { |
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812 /* Enough space below the mouse row. */ |
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813 pum_row = mouse_row + 1; |
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814 if (pum_height > Rows - pum_row) |
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815 pum_height = Rows - pum_row; |
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816 } |
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817 else |
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818 { |
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819 /* Show above the mouse row, reduce height if it does not fit. */ |
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820 pum_row = mouse_row - 1 - pum_size; |
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821 if (pum_row < 0) |
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822 { |
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823 pum_height += pum_row; |
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824 pum_row = 0; |
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825 } |
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826 } |
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827 if (Columns - mouse_col >= pum_base_width |
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828 || Columns - mouse_col > BALLOON_MIN_WIDTH) |
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829 /* Enough space to show at mouse column. */ |
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830 pum_col = mouse_col; |
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831 else |
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832 /* Not enough space, right align with window. */ |
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833 pum_col = Columns - (pum_base_width > BALLOON_MIN_WIDTH |
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834 ? BALLOON_MIN_WIDTH : pum_base_width); |
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835 |
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836 pum_width = Columns - pum_col; |
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837 if (pum_width > pum_base_width + 1) |
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838 pum_width = pum_base_width + 1; |
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839 |
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840 pum_selected = -1; |
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841 pum_first = 0; |
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842 pum_redraw(); |
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843 } |
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844 } |
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845 |
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846 /* |
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847 * Called when the mouse moved, may remove any displayed balloon. |
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848 */ |
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849 void |
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850 ui_may_remove_balloon(void) |
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851 { |
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852 if (mouse_row != balloon_mouse_row || mouse_col != balloon_mouse_col) |
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853 ui_remove_balloon(); |
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854 } |
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855 # endif |
| 800 | 856 #endif |