Mercurial > vim
annotate src/popupmnu.c @ 8305:e969ec3497e7
Added tag v7.4.1444 for changeset 097886a3379b24d6205c142a575ae557f64967e6
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 27 Feb 2016 23:00:05 +0100 |
| parents | ad9edad64d22 |
| children | 4aead6a9b7a9 |
| rev | line source |
|---|---|
| 800 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 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 */ | |
| 26 static int pum_scrollbar; /* TRUE when scrollbar present */ | |
| 27 | |
| 28 static int pum_row; /* top row of pum */ | |
| 29 static int pum_col; /* left column of pum */ | |
| 30 | |
| 31 static int pum_do_redraw = FALSE; /* do redraw anyway */ | |
| 32 | |
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33 static int pum_set_selected(int n, int repeat); |
| 800 | 34 |
| 35 #define PUM_DEF_HEIGHT 10 | |
| 36 #define PUM_DEF_WIDTH 15 | |
| 37 | |
| 38 /* | |
| 39 * Show the popup menu with items "array[size]". | |
| 40 * "array" must remain valid until pum_undisplay() is called! | |
| 41 * When possible the leftmost character is aligned with screen column "col". | |
| 42 * The menu appears above the screen line "row" or at "row" + "height" - 1. | |
| 43 */ | |
| 44 void | |
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45 pum_display( |
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commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
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46 pumitem_T *array, |
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commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
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47 int size, |
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commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
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48 int selected) /* index of initially selected item, none if |
| 800 | 49 out of range */ |
| 50 { | |
| 51 int w; | |
| 52 int def_width; | |
| 53 int max_width; | |
| 54 int kind_width; | |
| 55 int extra_width; | |
| 56 int i; | |
| 57 int top_clear; | |
| 58 int row; | |
| 1622 | 59 int context_lines; |
| 800 | 60 int col; |
| 61 int above_row = cmdline_row; | |
| 838 | 62 int redo_count = 0; |
| 800 | 63 |
| 64 redo: | |
| 65 def_width = PUM_DEF_WIDTH; | |
| 66 max_width = 0; | |
| 67 kind_width = 0; | |
| 68 extra_width = 0; | |
| 69 | |
| 70 /* Pretend the pum is already there to avoid that must_redraw is set when | |
| 71 * 'cuc' is on. */ | |
| 72 pum_array = (pumitem_T *)1; | |
| 73 validate_cursor_col(); | |
| 74 pum_array = NULL; | |
| 75 | |
| 1622 | 76 row = curwin->w_wrow + W_WINROW(curwin); |
| 800 | 77 |
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78 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 800 | 79 if (firstwin->w_p_pvw) |
| 80 top_clear = firstwin->w_height; | |
| 81 else | |
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82 #endif |
| 800 | 83 top_clear = 0; |
| 84 | |
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85 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 800 | 86 /* When the preview window is at the bottom stop just above it. Also |
| 87 * avoid drawing over the status line so that it's clear there is a window | |
| 88 * boundary. */ | |
| 89 if (lastwin->w_p_pvw) | |
| 90 above_row -= lastwin->w_height + lastwin->w_status_height + 1; | |
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91 #endif |
| 800 | 92 |
| 93 /* | |
| 94 * Figure out the size and position of the pum. | |
| 95 */ | |
| 96 if (size < PUM_DEF_HEIGHT) | |
| 97 pum_height = size; | |
| 98 else | |
| 99 pum_height = PUM_DEF_HEIGHT; | |
| 100 if (p_ph > 0 && pum_height > p_ph) | |
| 101 pum_height = p_ph; | |
| 102 | |
| 103 /* Put the pum below "row" if possible. If there are few lines decide on | |
| 104 * where there is more room. */ | |
| 1622 | 105 if (row + 2 >= above_row - pum_height |
| 106 && row > (above_row - top_clear) / 2) | |
| 800 | 107 { |
| 108 /* pum above "row" */ | |
| 1622 | 109 |
| 110 /* Leave two lines of context if possible */ | |
| 111 if (curwin->w_wrow - curwin->w_cline_row >= 2) | |
| 112 context_lines = 2; | |
| 113 else | |
| 114 context_lines = curwin->w_wrow - curwin->w_cline_row; | |
| 115 | |
| 116 if (row >= size + context_lines) | |
| 800 | 117 { |
| 1622 | 118 pum_row = row - size - context_lines; |
| 800 | 119 pum_height = size; |
| 120 } | |
| 121 else | |
| 122 { | |
| 123 pum_row = 0; | |
| 1622 | 124 pum_height = row - context_lines; |
| 800 | 125 } |
| 126 if (p_ph > 0 && pum_height > p_ph) | |
| 127 { | |
| 128 pum_row += pum_height - p_ph; | |
| 129 pum_height = p_ph; | |
| 130 } | |
| 131 } | |
| 132 else | |
| 133 { | |
| 134 /* pum below "row" */ | |
| 1622 | 135 |
| 136 /* Leave two lines of context if possible */ | |
| 137 if (curwin->w_cline_row + curwin->w_cline_height - curwin->w_wrow >= 3) | |
| 138 context_lines = 3; | |
| 139 else | |
| 140 context_lines = curwin->w_cline_row | |
| 141 + curwin->w_cline_height - curwin->w_wrow; | |
| 142 | |
| 143 pum_row = row + context_lines; | |
| 800 | 144 if (size > above_row - pum_row) |
| 145 pum_height = above_row - pum_row; | |
| 146 else | |
| 147 pum_height = size; | |
| 148 if (p_ph > 0 && pum_height > p_ph) | |
| 149 pum_height = p_ph; | |
| 150 } | |
| 151 | |
| 152 /* don't display when we only have room for one line */ | |
| 153 if (pum_height < 1 || (pum_height == 1 && size > 1)) | |
| 154 return; | |
| 155 | |
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156 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 800 | 157 /* If there is a preview window at the top avoid drawing over it. */ |
| 158 if (firstwin->w_p_pvw | |
| 159 && pum_row < firstwin->w_height | |
| 160 && pum_height > firstwin->w_height + 4) | |
| 161 { | |
| 162 pum_row += firstwin->w_height; | |
| 163 pum_height -= firstwin->w_height; | |
| 164 } | |
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165 #endif |
| 800 | 166 |
| 167 /* Compute the width of the widest match and the widest extra. */ | |
| 168 for (i = 0; i < size; ++i) | |
| 169 { | |
| 170 w = vim_strsize(array[i].pum_text); | |
| 171 if (max_width < w) | |
| 172 max_width = w; | |
| 173 if (array[i].pum_kind != NULL) | |
| 174 { | |
| 175 w = vim_strsize(array[i].pum_kind) + 1; | |
| 176 if (kind_width < w) | |
| 177 kind_width = w; | |
| 178 } | |
| 179 if (array[i].pum_extra != NULL) | |
| 180 { | |
| 181 w = vim_strsize(array[i].pum_extra) + 1; | |
| 182 if (extra_width < w) | |
| 183 extra_width = w; | |
| 184 } | |
| 185 } | |
| 186 pum_base_width = max_width; | |
| 187 pum_kind_width = kind_width; | |
| 188 | |
| 1344 | 189 /* Calculate column */ |
| 190 #ifdef FEAT_RIGHTLEFT | |
| 191 if (curwin->w_p_rl) | |
| 1668 | 192 col = W_WINCOL(curwin) + W_WIDTH(curwin) - curwin->w_wcol - 1; |
| 1344 | 193 else |
| 194 #endif | |
| 1668 | 195 col = W_WINCOL(curwin) + curwin->w_wcol; |
| 1344 | 196 |
| 800 | 197 /* if there are more items than room we need a scrollbar */ |
| 198 if (pum_height < size) | |
| 199 { | |
| 200 pum_scrollbar = 1; | |
| 201 ++max_width; | |
| 202 } | |
| 203 else | |
| 204 pum_scrollbar = 0; | |
| 205 | |
| 206 if (def_width < max_width) | |
| 207 def_width = max_width; | |
| 208 | |
| 1344 | 209 if (((col < Columns - PUM_DEF_WIDTH || col < Columns - max_width) |
| 210 #ifdef FEAT_RIGHTLEFT | |
| 211 && !curwin->w_p_rl) | |
| 212 || (curwin->w_p_rl && (col > PUM_DEF_WIDTH || col > max_width) | |
| 213 #endif | |
| 214 )) | |
| 800 | 215 { |
| 216 /* align pum column with "col" */ | |
| 217 pum_col = col; | |
| 1344 | 218 |
| 219 #ifdef FEAT_RIGHTLEFT | |
| 220 if (curwin->w_p_rl) | |
| 221 pum_width = pum_col - pum_scrollbar + 1; | |
| 222 else | |
| 223 #endif | |
| 224 pum_width = Columns - pum_col - pum_scrollbar; | |
| 225 | |
| 800 | 226 if (pum_width > max_width + kind_width + extra_width + 1 |
| 227 && pum_width > PUM_DEF_WIDTH) | |
| 228 { | |
| 229 pum_width = max_width + kind_width + extra_width + 1; | |
| 230 if (pum_width < PUM_DEF_WIDTH) | |
| 231 pum_width = PUM_DEF_WIDTH; | |
| 232 } | |
| 233 } | |
| 234 else if (Columns < def_width) | |
| 235 { | |
| 236 /* not enough room, will use what we have */ | |
| 1344 | 237 #ifdef FEAT_RIGHTLEFT |
| 238 if (curwin->w_p_rl) | |
| 239 pum_col = Columns - 1; | |
| 240 else | |
| 241 #endif | |
| 242 pum_col = 0; | |
| 800 | 243 pum_width = Columns - 1; |
| 244 } | |
| 245 else | |
| 246 { | |
| 247 if (max_width > PUM_DEF_WIDTH) | |
| 248 max_width = PUM_DEF_WIDTH; /* truncate */ | |
| 1344 | 249 #ifdef FEAT_RIGHTLEFT |
| 250 if (curwin->w_p_rl) | |
| 251 pum_col = max_width - 1; | |
| 252 else | |
| 253 #endif | |
| 254 pum_col = Columns - max_width; | |
| 800 | 255 pum_width = max_width - pum_scrollbar; |
| 256 } | |
| 257 | |
| 258 pum_array = array; | |
| 259 pum_size = size; | |
| 260 | |
| 261 /* Set selected item and redraw. If the window size changed need to redo | |
| 838 | 262 * the positioning. Limit this to two times, when there is not much |
| 263 * room the window size will keep changing. */ | |
| 264 if (pum_set_selected(selected, redo_count) && ++redo_count <= 2) | |
| 800 | 265 goto redo; |
| 266 } | |
| 267 | |
| 268 /* | |
| 269 * Redraw the popup menu, using "pum_first" and "pum_selected". | |
| 270 */ | |
| 271 void | |
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272 pum_redraw(void) |
| 800 | 273 { |
| 274 int row = pum_row; | |
| 275 int col; | |
| 276 int attr_norm = highlight_attr[HLF_PNI]; | |
| 277 int attr_select = highlight_attr[HLF_PSI]; | |
| 278 int attr_scroll = highlight_attr[HLF_PSB]; | |
| 279 int attr_thumb = highlight_attr[HLF_PST]; | |
| 280 int attr; | |
| 281 int i; | |
| 282 int idx; | |
| 283 char_u *s; | |
| 284 char_u *p = NULL; | |
| 285 int totwidth, width, w; | |
| 286 int thumb_pos = 0; | |
| 287 int thumb_heigth = 1; | |
| 288 int round; | |
| 289 int n; | |
| 290 | |
| 5444 | 291 /* Never display more than we have */ |
| 292 if (pum_first > pum_size - pum_height) | |
| 293 pum_first = pum_size - pum_height; | |
| 294 | |
| 800 | 295 if (pum_scrollbar) |
| 296 { | |
| 297 thumb_heigth = pum_height * pum_height / pum_size; | |
| 298 if (thumb_heigth == 0) | |
| 299 thumb_heigth = 1; | |
| 300 thumb_pos = (pum_first * (pum_height - thumb_heigth) | |
| 301 + (pum_size - pum_height) / 2) | |
| 302 / (pum_size - pum_height); | |
| 303 } | |
| 304 | |
| 305 for (i = 0; i < pum_height; ++i) | |
| 306 { | |
| 307 idx = i + pum_first; | |
| 308 attr = (idx == pum_selected) ? attr_select : attr_norm; | |
| 309 | |
| 310 /* prepend a space if there is room */ | |
| 1344 | 311 #ifdef FEAT_RIGHTLEFT |
| 312 if (curwin->w_p_rl) | |
| 313 { | |
| 314 if (pum_col < W_WINCOL(curwin) + W_WIDTH(curwin) - 1) | |
| 315 screen_putchar(' ', row, pum_col + 1, attr); | |
| 316 } | |
| 317 else | |
| 318 #endif | |
| 319 if (pum_col > 0) | |
| 320 screen_putchar(' ', row, pum_col - 1, attr); | |
| 800 | 321 |
| 322 /* Display each entry, use two spaces for a Tab. | |
| 323 * Do this 3 times: For the main text, kind and extra info */ | |
| 324 col = pum_col; | |
| 325 totwidth = 0; | |
| 326 for (round = 1; round <= 3; ++round) | |
| 327 { | |
| 328 width = 0; | |
| 329 s = NULL; | |
| 330 switch (round) | |
| 331 { | |
| 332 case 1: p = pum_array[idx].pum_text; break; | |
| 333 case 2: p = pum_array[idx].pum_kind; break; | |
| 334 case 3: p = pum_array[idx].pum_extra; break; | |
| 335 } | |
| 336 if (p != NULL) | |
| 337 for ( ; ; mb_ptr_adv(p)) | |
| 338 { | |
| 339 if (s == NULL) | |
| 340 s = p; | |
| 341 w = ptr2cells(p); | |
| 342 if (*p == NUL || *p == TAB || totwidth + w > pum_width) | |
| 343 { | |
| 1097 | 344 /* Display the text that fits or comes before a Tab. |
| 345 * First convert it to printable characters. */ | |
| 1344 | 346 char_u *st; |
| 347 int saved = *p; | |
| 1097 | 348 |
| 349 *p = NUL; | |
| 350 st = transstr(s); | |
| 351 *p = saved; | |
| 1344 | 352 #ifdef FEAT_RIGHTLEFT |
| 353 if (curwin->w_p_rl) | |
| 1097 | 354 { |
| 1344 | 355 if (st != NULL) |
| 356 { | |
| 357 char_u *rt = reverse_text(st); | |
| 358 | |
| 359 if (rt != NULL) | |
| 360 { | |
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361 char_u *rt_start = rt; |
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362 int size; |
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363 |
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364 size = vim_strsize(rt); |
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365 if (size > pum_width) |
| 1344 | 366 { |
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367 do |
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368 { |
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369 size -= has_mbyte |
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370 ? (*mb_ptr2cells)(rt) : 1; |
| 1344 | 371 mb_ptr_adv(rt); |
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372 } while (size > pum_width); |
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373 |
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374 if (size < pum_width) |
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375 { |
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376 /* Most left character requires |
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377 * 2-cells but only 1 cell is |
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378 * available on screen. Put a |
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379 * '<' on the left of the pum |
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380 * item */ |
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381 *(--rt) = '<'; |
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382 size++; |
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383 } |
| 1344 | 384 } |
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385 screen_puts_len(rt, (int)STRLEN(rt), |
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386 row, col - size + 1, attr); |
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387 vim_free(rt_start); |
| 1344 | 388 } |
| 389 vim_free(st); | |
| 390 } | |
| 391 col -= width; | |
| 392 } | |
| 393 else | |
| 394 #endif | |
| 395 { | |
| 396 if (st != NULL) | |
| 397 { | |
| 398 screen_puts_len(st, (int)STRLEN(st), row, col, | |
| 1097 | 399 attr); |
| 1344 | 400 vim_free(st); |
| 401 } | |
| 402 col += width; | |
| 1097 | 403 } |
| 800 | 404 |
| 405 if (*p != TAB) | |
| 406 break; | |
| 407 | |
| 408 /* Display two spaces for a Tab. */ | |
| 1344 | 409 #ifdef FEAT_RIGHTLEFT |
| 410 if (curwin->w_p_rl) | |
| 411 { | |
| 412 screen_puts_len((char_u *)" ", 2, row, col - 1, | |
| 413 attr); | |
| 414 col -= 2; | |
| 415 } | |
| 416 else | |
| 417 #endif | |
| 418 { | |
| 419 screen_puts_len((char_u *)" ", 2, row, col, attr); | |
| 420 col += 2; | |
| 421 } | |
| 800 | 422 totwidth += 2; |
| 423 s = NULL; /* start text at next char */ | |
| 424 width = 0; | |
| 425 } | |
| 426 else | |
| 427 width += w; | |
| 428 } | |
| 429 | |
| 430 if (round > 1) | |
| 431 n = pum_kind_width + 1; | |
| 432 else | |
| 433 n = 1; | |
| 434 | |
| 435 /* Stop when there is nothing more to display. */ | |
| 436 if (round == 3 | |
| 437 || (round == 2 && pum_array[idx].pum_extra == NULL) | |
| 438 || (round == 1 && pum_array[idx].pum_kind == NULL | |
| 439 && pum_array[idx].pum_extra == NULL) | |
| 440 || pum_base_width + n >= pum_width) | |
| 441 break; | |
| 1344 | 442 #ifdef FEAT_RIGHTLEFT |
| 443 if (curwin->w_p_rl) | |
| 444 { | |
| 445 screen_fill(row, row + 1, pum_col - pum_base_width - n + 1, | |
| 446 col + 1, ' ', ' ', attr); | |
| 447 col = pum_col - pum_base_width - n + 1; | |
| 448 } | |
| 449 else | |
| 450 #endif | |
| 451 { | |
| 452 screen_fill(row, row + 1, col, pum_col + pum_base_width + n, | |
| 800 | 453 ' ', ' ', attr); |
| 1344 | 454 col = pum_col + pum_base_width + n; |
| 455 } | |
| 800 | 456 totwidth = pum_base_width + n; |
| 457 } | |
| 458 | |
| 1344 | 459 #ifdef FEAT_RIGHTLEFT |
| 460 if (curwin->w_p_rl) | |
| 461 screen_fill(row, row + 1, pum_col - pum_width + 1, col + 1, ' ', | |
| 462 ' ', attr); | |
| 463 else | |
| 464 #endif | |
| 465 screen_fill(row, row + 1, col, pum_col + pum_width, ' ', ' ', | |
| 466 attr); | |
| 800 | 467 if (pum_scrollbar > 0) |
| 1344 | 468 { |
| 469 #ifdef FEAT_RIGHTLEFT | |
| 470 if (curwin->w_p_rl) | |
| 471 screen_putchar(' ', row, pum_col - pum_width, | |
| 472 i >= thumb_pos && i < thumb_pos + thumb_heigth | |
| 800 | 473 ? attr_thumb : attr_scroll); |
| 1344 | 474 else |
| 475 #endif | |
| 476 screen_putchar(' ', row, pum_col + pum_width, | |
| 477 i >= thumb_pos && i < thumb_pos + thumb_heigth | |
| 478 ? attr_thumb : attr_scroll); | |
| 479 } | |
| 800 | 480 |
| 481 ++row; | |
| 482 } | |
| 483 } | |
| 484 | |
| 485 /* | |
| 486 * Set the index of the currently selected item. The menu will scroll when | |
| 487 * necessary. When "n" is out of range don't scroll. | |
| 838 | 488 * This may be repeated when the preview window is used: |
| 489 * "repeat" == 0: open preview window normally | |
| 490 * "repeat" == 1: open preview window but don't set the size | |
| 491 * "repeat" == 2: don't open preview window | |
| 800 | 492 * Returns TRUE when the window was resized and the location of the popup menu |
| 493 * must be recomputed. | |
| 494 */ | |
| 495 static int | |
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496 pum_set_selected(int n, int repeat) |
| 800 | 497 { |
| 498 int resized = FALSE; | |
| 499 int context = pum_height / 2; | |
| 500 | |
| 501 pum_selected = n; | |
| 502 | |
| 503 if (pum_selected >= 0 && pum_selected < pum_size) | |
| 504 { | |
| 505 if (pum_first > pum_selected - 4) | |
| 506 { | |
| 507 /* scroll down; when we did a jump it's probably a PageUp then | |
| 508 * scroll a whole page */ | |
| 509 if (pum_first > pum_selected - 2) | |
| 510 { | |
| 511 pum_first -= pum_height - 2; | |
| 512 if (pum_first < 0) | |
| 513 pum_first = 0; | |
| 514 else if (pum_first > pum_selected) | |
| 515 pum_first = pum_selected; | |
| 516 } | |
| 517 else | |
| 518 pum_first = pum_selected; | |
| 519 } | |
| 520 else if (pum_first < pum_selected - pum_height + 5) | |
| 521 { | |
| 522 /* scroll up; when we did a jump it's probably a PageDown then | |
| 523 * scroll a whole page */ | |
| 524 if (pum_first < pum_selected - pum_height + 1 + 2) | |
| 525 { | |
| 526 pum_first += pum_height - 2; | |
| 527 if (pum_first < pum_selected - pum_height + 1) | |
| 528 pum_first = pum_selected - pum_height + 1; | |
| 529 } | |
| 530 else | |
| 531 pum_first = pum_selected - pum_height + 1; | |
| 532 } | |
| 533 | |
| 534 /* Give a few lines of context when possible. */ | |
| 535 if (context > 3) | |
| 536 context = 3; | |
| 537 if (pum_height > 2) | |
| 538 { | |
| 539 if (pum_first > pum_selected - context) | |
| 540 { | |
| 541 /* scroll down */ | |
| 542 pum_first = pum_selected - context; | |
| 543 if (pum_first < 0) | |
| 544 pum_first = 0; | |
| 545 } | |
| 546 else if (pum_first < pum_selected + context - pum_height + 1) | |
| 547 { | |
| 548 /* scroll up */ | |
| 549 pum_first = pum_selected + context - pum_height + 1; | |
| 550 } | |
| 551 } | |
| 552 | |
| 553 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 816 | 554 /* |
| 555 * Show extra info in the preview window if there is something and | |
| 556 * 'completeopt' contains "preview". | |
| 838 | 557 * Skip this when tried twice already. |
| 558 * Skip this also when there is not much room. | |
| 816 | 559 * NOTE: Be very careful not to sync undo! |
| 560 */ | |
| 800 | 561 if (pum_array[pum_selected].pum_info != NULL |
| 838 | 562 && Rows > 10 |
| 563 && repeat <= 1 | |
| 564 && vim_strchr(p_cot, 'p') != NULL) | |
| 800 | 565 { |
| 566 win_T *curwin_save = curwin; | |
| 567 int res = OK; | |
| 568 | |
| 2622 | 569 /* Open a preview window. 3 lines by default. Prefer |
| 570 * 'previewheight' if set and smaller. */ | |
| 800 | 571 g_do_tagpreview = 3; |
| 2622 | 572 if (p_pvh > 0 && p_pvh < g_do_tagpreview) |
| 573 g_do_tagpreview = p_pvh; | |
| 6043 | 574 ++RedrawingDisabled; |
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575 /* Prevent undo sync here, if an autocommand syncs undo weird |
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576 * things can happen to the undo tree. */ |
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577 ++no_u_sync; |
| 816 | 578 resized = prepare_tagpreview(FALSE); |
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579 --no_u_sync; |
| 6043 | 580 --RedrawingDisabled; |
| 800 | 581 g_do_tagpreview = 0; |
| 582 | |
| 583 if (curwin->w_p_pvw) | |
| 584 { | |
| 585 if (curbuf->b_fname == NULL | |
| 586 && curbuf->b_p_bt[0] == 'n' && curbuf->b_p_bt[2] == 'f' | |
| 587 && curbuf->b_p_bh[0] == 'w') | |
| 588 { | |
| 589 /* Already a "wipeout" buffer, make it empty. */ | |
| 590 while (!bufempty()) | |
| 591 ml_delete((linenr_T)1, FALSE); | |
| 592 } | |
| 825 | 593 else |
| 800 | 594 { |
| 825 | 595 /* Don't want to sync undo in the current buffer. */ |
| 596 ++no_u_sync; | |
| 1743 | 597 res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL); |
| 825 | 598 --no_u_sync; |
| 599 if (res == OK) | |
| 600 { | |
| 601 /* Edit a new, empty buffer. Set options for a "wipeout" | |
| 602 * buffer. */ | |
| 603 set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); | |
| 604 set_option_value((char_u *)"bt", 0L, | |
| 605 (char_u *)"nofile", OPT_LOCAL); | |
| 606 set_option_value((char_u *)"bh", 0L, | |
| 607 (char_u *)"wipe", OPT_LOCAL); | |
| 608 set_option_value((char_u *)"diff", 0L, | |
| 1302 | 609 NULL, OPT_LOCAL); |
| 825 | 610 } |
| 800 | 611 } |
| 612 if (res == OK) | |
| 613 { | |
| 614 char_u *p, *e; | |
| 615 linenr_T lnum = 0; | |
| 616 | |
| 617 for (p = pum_array[pum_selected].pum_info; *p != NUL; ) | |
| 618 { | |
| 619 e = vim_strchr(p, '\n'); | |
| 620 if (e == NULL) | |
| 621 { | |
| 622 ml_append(lnum++, p, 0, FALSE); | |
| 623 break; | |
| 624 } | |
| 625 else | |
| 626 { | |
| 627 *e = NUL; | |
| 835 | 628 ml_append(lnum++, p, (int)(e - p + 1), FALSE); |
| 800 | 629 *e = '\n'; |
| 630 p = e + 1; | |
| 631 } | |
| 632 } | |
| 633 | |
| 634 /* Increase the height of the preview window to show the | |
| 635 * text, but no more than 'previewheight' lines. */ | |
| 838 | 636 if (repeat == 0) |
| 800 | 637 { |
| 838 | 638 if (lnum > p_pvh) |
| 639 lnum = p_pvh; | |
| 640 if (curwin->w_height < lnum) | |
| 641 { | |
| 642 win_setheight((int)lnum); | |
| 643 resized = TRUE; | |
| 644 } | |
| 800 | 645 } |
| 646 | |
| 647 curbuf->b_changed = 0; | |
| 648 curbuf->b_p_ma = FALSE; | |
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649 curwin->w_cursor.lnum = 1; |
| 800 | 650 curwin->w_cursor.col = 0; |
| 651 | |
| 652 if (curwin != curwin_save && win_valid(curwin_save)) | |
| 653 { | |
| 6089 | 654 /* When the first completion is done and the preview |
| 655 * window is not resized, skip the preview window's | |
| 656 * status line redrawing. */ | |
| 657 if (ins_compl_active() && !resized) | |
| 658 curwin->w_redr_status = FALSE; | |
| 659 | |
| 800 | 660 /* Return cursor to where we were */ |
| 661 validate_cursor(); | |
| 662 redraw_later(SOME_VALID); | |
| 663 | |
| 664 /* When the preview window was resized we need to | |
| 665 * update the view on the buffer. Only go back to | |
| 666 * the window when needed, otherwise it will always be | |
| 667 * redraw. */ | |
| 668 if (resized) | |
| 669 { | |
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670 ++no_u_sync; |
| 800 | 671 win_enter(curwin_save, TRUE); |
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672 --no_u_sync; |
| 800 | 673 update_topline(); |
| 674 } | |
| 675 | |
| 676 /* Update the screen before drawing the popup menu. | |
| 677 * Enable updating the status lines. */ | |
| 678 pum_do_redraw = TRUE; | |
| 679 update_screen(0); | |
| 680 pum_do_redraw = FALSE; | |
| 681 | |
| 816 | 682 if (!resized && win_valid(curwin_save)) |
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683 { |
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684 ++no_u_sync; |
| 800 | 685 win_enter(curwin_save, TRUE); |
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686 --no_u_sync; |
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687 } |
| 800 | 688 |
| 689 /* May need to update the screen again when there are | |
| 690 * autocommands involved. */ | |
| 691 pum_do_redraw = TRUE; | |
| 692 update_screen(0); | |
| 693 pum_do_redraw = FALSE; | |
| 694 } | |
| 695 } | |
| 696 } | |
| 697 } | |
| 698 #endif | |
| 699 } | |
| 700 | |
| 701 if (!resized) | |
| 702 pum_redraw(); | |
| 703 | |
| 704 return resized; | |
| 705 } | |
| 706 | |
| 707 /* | |
| 708 * Undisplay the popup menu (later). | |
| 709 */ | |
| 710 void | |
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711 pum_undisplay(void) |
| 800 | 712 { |
| 713 pum_array = NULL; | |
| 714 redraw_all_later(SOME_VALID); | |
| 940 | 715 #ifdef FEAT_WINDOWS |
| 716 redraw_tabline = TRUE; | |
| 717 #endif | |
| 800 | 718 status_redraw_all(); |
| 719 } | |
| 720 | |
| 721 /* | |
| 722 * Clear the popup menu. Currently only resets the offset to the first | |
| 723 * displayed item. | |
| 724 */ | |
| 725 void | |
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726 pum_clear(void) |
| 800 | 727 { |
| 728 pum_first = 0; | |
| 729 } | |
| 730 | |
| 731 /* | |
| 732 * Return TRUE if the popup menu is displayed. | |
| 733 * Overruled when "pum_do_redraw" is set, used to redraw the status lines. | |
| 734 */ | |
| 735 int | |
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736 pum_visible(void) |
| 800 | 737 { |
| 738 return !pum_do_redraw && pum_array != NULL; | |
| 739 } | |
| 740 | |
| 741 /* | |
| 742 * Return the height of the popup menu, the number of entries visible. | |
| 743 * Only valid when pum_visible() returns TRUE! | |
| 744 */ | |
| 745 int | |
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746 pum_get_height(void) |
| 800 | 747 { |
| 748 return pum_height; | |
| 749 } | |
| 750 | |
| 751 #endif |