Mercurial > vim
annotate src/popupmnu.c @ 7637:81f94c1e2e4d v7.4.1118
commit https://github.com/vim/vim/commit/a99b90437af730dcafd9143c0942c87777a00d52
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jan 17 17:10:59 2016 +0100
patch 7.4.1118
Problem: Tests hang in 24 line terminal.
Solution: Set the 'more' option off.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 17 Jan 2016 17:15:05 +0100 |
| parents | ce8b286e89ef |
| children | 0b6c37dd858d |
| 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 | |
| 838 | 33 static int pum_set_selected __ARGS((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 | |
| 45 pum_display(array, size, selected) | |
| 46 pumitem_T *array; | |
| 47 int size; | |
| 48 int selected; /* index of initially selected item, none if | |
| 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 |
| 78 if (firstwin->w_p_pvw) | |
| 79 top_clear = firstwin->w_height; | |
| 80 else | |
| 81 top_clear = 0; | |
| 82 | |
| 83 /* When the preview window is at the bottom stop just above it. Also | |
| 84 * avoid drawing over the status line so that it's clear there is a window | |
| 85 * boundary. */ | |
| 86 if (lastwin->w_p_pvw) | |
| 87 above_row -= lastwin->w_height + lastwin->w_status_height + 1; | |
| 88 | |
| 89 /* | |
| 90 * Figure out the size and position of the pum. | |
| 91 */ | |
| 92 if (size < PUM_DEF_HEIGHT) | |
| 93 pum_height = size; | |
| 94 else | |
| 95 pum_height = PUM_DEF_HEIGHT; | |
| 96 if (p_ph > 0 && pum_height > p_ph) | |
| 97 pum_height = p_ph; | |
| 98 | |
| 99 /* Put the pum below "row" if possible. If there are few lines decide on | |
| 100 * where there is more room. */ | |
| 1622 | 101 if (row + 2 >= above_row - pum_height |
| 102 && row > (above_row - top_clear) / 2) | |
| 800 | 103 { |
| 104 /* pum above "row" */ | |
| 1622 | 105 |
| 106 /* Leave two lines of context if possible */ | |
| 107 if (curwin->w_wrow - curwin->w_cline_row >= 2) | |
| 108 context_lines = 2; | |
| 109 else | |
| 110 context_lines = curwin->w_wrow - curwin->w_cline_row; | |
| 111 | |
| 112 if (row >= size + context_lines) | |
| 800 | 113 { |
| 1622 | 114 pum_row = row - size - context_lines; |
| 800 | 115 pum_height = size; |
| 116 } | |
| 117 else | |
| 118 { | |
| 119 pum_row = 0; | |
| 1622 | 120 pum_height = row - context_lines; |
| 800 | 121 } |
| 122 if (p_ph > 0 && pum_height > p_ph) | |
| 123 { | |
| 124 pum_row += pum_height - p_ph; | |
| 125 pum_height = p_ph; | |
| 126 } | |
| 127 } | |
| 128 else | |
| 129 { | |
| 130 /* pum below "row" */ | |
| 1622 | 131 |
| 132 /* Leave two lines of context if possible */ | |
| 133 if (curwin->w_cline_row + curwin->w_cline_height - curwin->w_wrow >= 3) | |
| 134 context_lines = 3; | |
| 135 else | |
| 136 context_lines = curwin->w_cline_row | |
| 137 + curwin->w_cline_height - curwin->w_wrow; | |
| 138 | |
| 139 pum_row = row + context_lines; | |
| 800 | 140 if (size > above_row - pum_row) |
| 141 pum_height = above_row - pum_row; | |
| 142 else | |
| 143 pum_height = size; | |
| 144 if (p_ph > 0 && pum_height > p_ph) | |
| 145 pum_height = p_ph; | |
| 146 } | |
| 147 | |
| 148 /* don't display when we only have room for one line */ | |
| 149 if (pum_height < 1 || (pum_height == 1 && size > 1)) | |
| 150 return; | |
| 151 | |
| 152 /* If there is a preview window at the top avoid drawing over it. */ | |
| 153 if (firstwin->w_p_pvw | |
| 154 && pum_row < firstwin->w_height | |
| 155 && pum_height > firstwin->w_height + 4) | |
| 156 { | |
| 157 pum_row += firstwin->w_height; | |
| 158 pum_height -= firstwin->w_height; | |
| 159 } | |
| 160 | |
| 161 /* Compute the width of the widest match and the widest extra. */ | |
| 162 for (i = 0; i < size; ++i) | |
| 163 { | |
| 164 w = vim_strsize(array[i].pum_text); | |
| 165 if (max_width < w) | |
| 166 max_width = w; | |
| 167 if (array[i].pum_kind != NULL) | |
| 168 { | |
| 169 w = vim_strsize(array[i].pum_kind) + 1; | |
| 170 if (kind_width < w) | |
| 171 kind_width = w; | |
| 172 } | |
| 173 if (array[i].pum_extra != NULL) | |
| 174 { | |
| 175 w = vim_strsize(array[i].pum_extra) + 1; | |
| 176 if (extra_width < w) | |
| 177 extra_width = w; | |
| 178 } | |
| 179 } | |
| 180 pum_base_width = max_width; | |
| 181 pum_kind_width = kind_width; | |
| 182 | |
| 1344 | 183 /* Calculate column */ |
| 184 #ifdef FEAT_RIGHTLEFT | |
| 185 if (curwin->w_p_rl) | |
| 1668 | 186 col = W_WINCOL(curwin) + W_WIDTH(curwin) - curwin->w_wcol - 1; |
| 1344 | 187 else |
| 188 #endif | |
| 1668 | 189 col = W_WINCOL(curwin) + curwin->w_wcol; |
| 1344 | 190 |
| 800 | 191 /* if there are more items than room we need a scrollbar */ |
| 192 if (pum_height < size) | |
| 193 { | |
| 194 pum_scrollbar = 1; | |
| 195 ++max_width; | |
| 196 } | |
| 197 else | |
| 198 pum_scrollbar = 0; | |
| 199 | |
| 200 if (def_width < max_width) | |
| 201 def_width = max_width; | |
| 202 | |
| 1344 | 203 if (((col < Columns - PUM_DEF_WIDTH || col < Columns - max_width) |
| 204 #ifdef FEAT_RIGHTLEFT | |
| 205 && !curwin->w_p_rl) | |
| 206 || (curwin->w_p_rl && (col > PUM_DEF_WIDTH || col > max_width) | |
| 207 #endif | |
| 208 )) | |
| 800 | 209 { |
| 210 /* align pum column with "col" */ | |
| 211 pum_col = col; | |
| 1344 | 212 |
| 213 #ifdef FEAT_RIGHTLEFT | |
| 214 if (curwin->w_p_rl) | |
| 215 pum_width = pum_col - pum_scrollbar + 1; | |
| 216 else | |
| 217 #endif | |
| 218 pum_width = Columns - pum_col - pum_scrollbar; | |
| 219 | |
| 800 | 220 if (pum_width > max_width + kind_width + extra_width + 1 |
| 221 && pum_width > PUM_DEF_WIDTH) | |
| 222 { | |
| 223 pum_width = max_width + kind_width + extra_width + 1; | |
| 224 if (pum_width < PUM_DEF_WIDTH) | |
| 225 pum_width = PUM_DEF_WIDTH; | |
| 226 } | |
| 227 } | |
| 228 else if (Columns < def_width) | |
| 229 { | |
| 230 /* not enough room, will use what we have */ | |
| 1344 | 231 #ifdef FEAT_RIGHTLEFT |
| 232 if (curwin->w_p_rl) | |
| 233 pum_col = Columns - 1; | |
| 234 else | |
| 235 #endif | |
| 236 pum_col = 0; | |
| 800 | 237 pum_width = Columns - 1; |
| 238 } | |
| 239 else | |
| 240 { | |
| 241 if (max_width > PUM_DEF_WIDTH) | |
| 242 max_width = PUM_DEF_WIDTH; /* truncate */ | |
| 1344 | 243 #ifdef FEAT_RIGHTLEFT |
| 244 if (curwin->w_p_rl) | |
| 245 pum_col = max_width - 1; | |
| 246 else | |
| 247 #endif | |
| 248 pum_col = Columns - max_width; | |
| 800 | 249 pum_width = max_width - pum_scrollbar; |
| 250 } | |
| 251 | |
| 252 pum_array = array; | |
| 253 pum_size = size; | |
| 254 | |
| 255 /* Set selected item and redraw. If the window size changed need to redo | |
| 838 | 256 * the positioning. Limit this to two times, when there is not much |
| 257 * room the window size will keep changing. */ | |
| 258 if (pum_set_selected(selected, redo_count) && ++redo_count <= 2) | |
| 800 | 259 goto redo; |
| 260 } | |
| 261 | |
| 262 /* | |
| 263 * Redraw the popup menu, using "pum_first" and "pum_selected". | |
| 264 */ | |
| 265 void | |
| 266 pum_redraw() | |
| 267 { | |
| 268 int row = pum_row; | |
| 269 int col; | |
| 270 int attr_norm = highlight_attr[HLF_PNI]; | |
| 271 int attr_select = highlight_attr[HLF_PSI]; | |
| 272 int attr_scroll = highlight_attr[HLF_PSB]; | |
| 273 int attr_thumb = highlight_attr[HLF_PST]; | |
| 274 int attr; | |
| 275 int i; | |
| 276 int idx; | |
| 277 char_u *s; | |
| 278 char_u *p = NULL; | |
| 279 int totwidth, width, w; | |
| 280 int thumb_pos = 0; | |
| 281 int thumb_heigth = 1; | |
| 282 int round; | |
| 283 int n; | |
| 284 | |
| 5444 | 285 /* Never display more than we have */ |
| 286 if (pum_first > pum_size - pum_height) | |
| 287 pum_first = pum_size - pum_height; | |
| 288 | |
| 800 | 289 if (pum_scrollbar) |
| 290 { | |
| 291 thumb_heigth = pum_height * pum_height / pum_size; | |
| 292 if (thumb_heigth == 0) | |
| 293 thumb_heigth = 1; | |
| 294 thumb_pos = (pum_first * (pum_height - thumb_heigth) | |
| 295 + (pum_size - pum_height) / 2) | |
| 296 / (pum_size - pum_height); | |
| 297 } | |
| 298 | |
| 299 for (i = 0; i < pum_height; ++i) | |
| 300 { | |
| 301 idx = i + pum_first; | |
| 302 attr = (idx == pum_selected) ? attr_select : attr_norm; | |
| 303 | |
| 304 /* prepend a space if there is room */ | |
| 1344 | 305 #ifdef FEAT_RIGHTLEFT |
| 306 if (curwin->w_p_rl) | |
| 307 { | |
| 308 if (pum_col < W_WINCOL(curwin) + W_WIDTH(curwin) - 1) | |
| 309 screen_putchar(' ', row, pum_col + 1, attr); | |
| 310 } | |
| 311 else | |
| 312 #endif | |
| 313 if (pum_col > 0) | |
| 314 screen_putchar(' ', row, pum_col - 1, attr); | |
| 800 | 315 |
| 316 /* Display each entry, use two spaces for a Tab. | |
| 317 * Do this 3 times: For the main text, kind and extra info */ | |
| 318 col = pum_col; | |
| 319 totwidth = 0; | |
| 320 for (round = 1; round <= 3; ++round) | |
| 321 { | |
| 322 width = 0; | |
| 323 s = NULL; | |
| 324 switch (round) | |
| 325 { | |
| 326 case 1: p = pum_array[idx].pum_text; break; | |
| 327 case 2: p = pum_array[idx].pum_kind; break; | |
| 328 case 3: p = pum_array[idx].pum_extra; break; | |
| 329 } | |
| 330 if (p != NULL) | |
| 331 for ( ; ; mb_ptr_adv(p)) | |
| 332 { | |
| 333 if (s == NULL) | |
| 334 s = p; | |
| 335 w = ptr2cells(p); | |
| 336 if (*p == NUL || *p == TAB || totwidth + w > pum_width) | |
| 337 { | |
| 1097 | 338 /* Display the text that fits or comes before a Tab. |
| 339 * First convert it to printable characters. */ | |
| 1344 | 340 char_u *st; |
| 341 int saved = *p; | |
| 1097 | 342 |
| 343 *p = NUL; | |
| 344 st = transstr(s); | |
| 345 *p = saved; | |
| 1344 | 346 #ifdef FEAT_RIGHTLEFT |
| 347 if (curwin->w_p_rl) | |
| 1097 | 348 { |
| 1344 | 349 if (st != NULL) |
| 350 { | |
| 351 char_u *rt = reverse_text(st); | |
| 352 | |
| 353 if (rt != NULL) | |
| 354 { | |
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355 char_u *rt_start = rt; |
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356 int size; |
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357 |
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358 size = vim_strsize(rt); |
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359 if (size > pum_width) |
| 1344 | 360 { |
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361 do |
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362 { |
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363 size -= has_mbyte |
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364 ? (*mb_ptr2cells)(rt) : 1; |
| 1344 | 365 mb_ptr_adv(rt); |
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366 } while (size > pum_width); |
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367 |
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368 if (size < pum_width) |
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369 { |
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370 /* Most left character requires |
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371 * 2-cells but only 1 cell is |
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372 * available on screen. Put a |
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373 * '<' on the left of the pum |
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374 * item */ |
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375 *(--rt) = '<'; |
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376 size++; |
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377 } |
| 1344 | 378 } |
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379 screen_puts_len(rt, (int)STRLEN(rt), |
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380 row, col - size + 1, attr); |
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381 vim_free(rt_start); |
| 1344 | 382 } |
| 383 vim_free(st); | |
| 384 } | |
| 385 col -= width; | |
| 386 } | |
| 387 else | |
| 388 #endif | |
| 389 { | |
| 390 if (st != NULL) | |
| 391 { | |
| 392 screen_puts_len(st, (int)STRLEN(st), row, col, | |
| 1097 | 393 attr); |
| 1344 | 394 vim_free(st); |
| 395 } | |
| 396 col += width; | |
| 1097 | 397 } |
| 800 | 398 |
| 399 if (*p != TAB) | |
| 400 break; | |
| 401 | |
| 402 /* Display two spaces for a Tab. */ | |
| 1344 | 403 #ifdef FEAT_RIGHTLEFT |
| 404 if (curwin->w_p_rl) | |
| 405 { | |
| 406 screen_puts_len((char_u *)" ", 2, row, col - 1, | |
| 407 attr); | |
| 408 col -= 2; | |
| 409 } | |
| 410 else | |
| 411 #endif | |
| 412 { | |
| 413 screen_puts_len((char_u *)" ", 2, row, col, attr); | |
| 414 col += 2; | |
| 415 } | |
| 800 | 416 totwidth += 2; |
| 417 s = NULL; /* start text at next char */ | |
| 418 width = 0; | |
| 419 } | |
| 420 else | |
| 421 width += w; | |
| 422 } | |
| 423 | |
| 424 if (round > 1) | |
| 425 n = pum_kind_width + 1; | |
| 426 else | |
| 427 n = 1; | |
| 428 | |
| 429 /* Stop when there is nothing more to display. */ | |
| 430 if (round == 3 | |
| 431 || (round == 2 && pum_array[idx].pum_extra == NULL) | |
| 432 || (round == 1 && pum_array[idx].pum_kind == NULL | |
| 433 && pum_array[idx].pum_extra == NULL) | |
| 434 || pum_base_width + n >= pum_width) | |
| 435 break; | |
| 1344 | 436 #ifdef FEAT_RIGHTLEFT |
| 437 if (curwin->w_p_rl) | |
| 438 { | |
| 439 screen_fill(row, row + 1, pum_col - pum_base_width - n + 1, | |
| 440 col + 1, ' ', ' ', attr); | |
| 441 col = pum_col - pum_base_width - n + 1; | |
| 442 } | |
| 443 else | |
| 444 #endif | |
| 445 { | |
| 446 screen_fill(row, row + 1, col, pum_col + pum_base_width + n, | |
| 800 | 447 ' ', ' ', attr); |
| 1344 | 448 col = pum_col + pum_base_width + n; |
| 449 } | |
| 800 | 450 totwidth = pum_base_width + n; |
| 451 } | |
| 452 | |
| 1344 | 453 #ifdef FEAT_RIGHTLEFT |
| 454 if (curwin->w_p_rl) | |
| 455 screen_fill(row, row + 1, pum_col - pum_width + 1, col + 1, ' ', | |
| 456 ' ', attr); | |
| 457 else | |
| 458 #endif | |
| 459 screen_fill(row, row + 1, col, pum_col + pum_width, ' ', ' ', | |
| 460 attr); | |
| 800 | 461 if (pum_scrollbar > 0) |
| 1344 | 462 { |
| 463 #ifdef FEAT_RIGHTLEFT | |
| 464 if (curwin->w_p_rl) | |
| 465 screen_putchar(' ', row, pum_col - pum_width, | |
| 466 i >= thumb_pos && i < thumb_pos + thumb_heigth | |
| 800 | 467 ? attr_thumb : attr_scroll); |
| 1344 | 468 else |
| 469 #endif | |
| 470 screen_putchar(' ', row, pum_col + pum_width, | |
| 471 i >= thumb_pos && i < thumb_pos + thumb_heigth | |
| 472 ? attr_thumb : attr_scroll); | |
| 473 } | |
| 800 | 474 |
| 475 ++row; | |
| 476 } | |
| 477 } | |
| 478 | |
| 479 /* | |
| 480 * Set the index of the currently selected item. The menu will scroll when | |
| 481 * necessary. When "n" is out of range don't scroll. | |
| 838 | 482 * This may be repeated when the preview window is used: |
| 483 * "repeat" == 0: open preview window normally | |
| 484 * "repeat" == 1: open preview window but don't set the size | |
| 485 * "repeat" == 2: don't open preview window | |
| 800 | 486 * Returns TRUE when the window was resized and the location of the popup menu |
| 487 * must be recomputed. | |
| 488 */ | |
| 489 static int | |
| 838 | 490 pum_set_selected(n, repeat) |
| 800 | 491 int n; |
| 838 | 492 int repeat; |
| 800 | 493 { |
| 494 int resized = FALSE; | |
| 495 int context = pum_height / 2; | |
| 496 | |
| 497 pum_selected = n; | |
| 498 | |
| 499 if (pum_selected >= 0 && pum_selected < pum_size) | |
| 500 { | |
| 501 if (pum_first > pum_selected - 4) | |
| 502 { | |
| 503 /* scroll down; when we did a jump it's probably a PageUp then | |
| 504 * scroll a whole page */ | |
| 505 if (pum_first > pum_selected - 2) | |
| 506 { | |
| 507 pum_first -= pum_height - 2; | |
| 508 if (pum_first < 0) | |
| 509 pum_first = 0; | |
| 510 else if (pum_first > pum_selected) | |
| 511 pum_first = pum_selected; | |
| 512 } | |
| 513 else | |
| 514 pum_first = pum_selected; | |
| 515 } | |
| 516 else if (pum_first < pum_selected - pum_height + 5) | |
| 517 { | |
| 518 /* scroll up; when we did a jump it's probably a PageDown then | |
| 519 * scroll a whole page */ | |
| 520 if (pum_first < pum_selected - pum_height + 1 + 2) | |
| 521 { | |
| 522 pum_first += pum_height - 2; | |
| 523 if (pum_first < pum_selected - pum_height + 1) | |
| 524 pum_first = pum_selected - pum_height + 1; | |
| 525 } | |
| 526 else | |
| 527 pum_first = pum_selected - pum_height + 1; | |
| 528 } | |
| 529 | |
| 530 /* Give a few lines of context when possible. */ | |
| 531 if (context > 3) | |
| 532 context = 3; | |
| 533 if (pum_height > 2) | |
| 534 { | |
| 535 if (pum_first > pum_selected - context) | |
| 536 { | |
| 537 /* scroll down */ | |
| 538 pum_first = pum_selected - context; | |
| 539 if (pum_first < 0) | |
| 540 pum_first = 0; | |
| 541 } | |
| 542 else if (pum_first < pum_selected + context - pum_height + 1) | |
| 543 { | |
| 544 /* scroll up */ | |
| 545 pum_first = pum_selected + context - pum_height + 1; | |
| 546 } | |
| 547 } | |
| 548 | |
| 549 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 816 | 550 /* |
| 551 * Show extra info in the preview window if there is something and | |
| 552 * 'completeopt' contains "preview". | |
| 838 | 553 * Skip this when tried twice already. |
| 554 * Skip this also when there is not much room. | |
| 816 | 555 * NOTE: Be very careful not to sync undo! |
| 556 */ | |
| 800 | 557 if (pum_array[pum_selected].pum_info != NULL |
| 838 | 558 && Rows > 10 |
| 559 && repeat <= 1 | |
| 560 && vim_strchr(p_cot, 'p') != NULL) | |
| 800 | 561 { |
| 562 win_T *curwin_save = curwin; | |
| 563 int res = OK; | |
| 564 | |
| 2622 | 565 /* Open a preview window. 3 lines by default. Prefer |
| 566 * 'previewheight' if set and smaller. */ | |
| 800 | 567 g_do_tagpreview = 3; |
| 2622 | 568 if (p_pvh > 0 && p_pvh < g_do_tagpreview) |
| 569 g_do_tagpreview = p_pvh; | |
| 6043 | 570 ++RedrawingDisabled; |
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571 /* Prevent undo sync here, if an autocommand syncs undo weird |
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ce8b286e89ef
commit https://github.com/vim/vim/commit/e7d1376b636e6c758196c3542bd2c1053f9edb75
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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572 * things can happen to the undo tree. */ |
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ce8b286e89ef
commit https://github.com/vim/vim/commit/e7d1376b636e6c758196c3542bd2c1053f9edb75
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parents:
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diff
changeset
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573 ++no_u_sync; |
| 816 | 574 resized = prepare_tagpreview(FALSE); |
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diff
changeset
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575 --no_u_sync; |
| 6043 | 576 --RedrawingDisabled; |
| 800 | 577 g_do_tagpreview = 0; |
| 578 | |
| 579 if (curwin->w_p_pvw) | |
| 580 { | |
| 581 if (curbuf->b_fname == NULL | |
| 582 && curbuf->b_p_bt[0] == 'n' && curbuf->b_p_bt[2] == 'f' | |
| 583 && curbuf->b_p_bh[0] == 'w') | |
| 584 { | |
| 585 /* Already a "wipeout" buffer, make it empty. */ | |
| 586 while (!bufempty()) | |
| 587 ml_delete((linenr_T)1, FALSE); | |
| 588 } | |
| 825 | 589 else |
| 800 | 590 { |
| 825 | 591 /* Don't want to sync undo in the current buffer. */ |
| 592 ++no_u_sync; | |
| 1743 | 593 res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL); |
| 825 | 594 --no_u_sync; |
| 595 if (res == OK) | |
| 596 { | |
| 597 /* Edit a new, empty buffer. Set options for a "wipeout" | |
| 598 * buffer. */ | |
| 599 set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); | |
| 600 set_option_value((char_u *)"bt", 0L, | |
| 601 (char_u *)"nofile", OPT_LOCAL); | |
| 602 set_option_value((char_u *)"bh", 0L, | |
| 603 (char_u *)"wipe", OPT_LOCAL); | |
| 604 set_option_value((char_u *)"diff", 0L, | |
| 1302 | 605 NULL, OPT_LOCAL); |
| 825 | 606 } |
| 800 | 607 } |
| 608 if (res == OK) | |
| 609 { | |
| 610 char_u *p, *e; | |
| 611 linenr_T lnum = 0; | |
| 612 | |
| 613 for (p = pum_array[pum_selected].pum_info; *p != NUL; ) | |
| 614 { | |
| 615 e = vim_strchr(p, '\n'); | |
| 616 if (e == NULL) | |
| 617 { | |
| 618 ml_append(lnum++, p, 0, FALSE); | |
| 619 break; | |
| 620 } | |
| 621 else | |
| 622 { | |
| 623 *e = NUL; | |
| 835 | 624 ml_append(lnum++, p, (int)(e - p + 1), FALSE); |
| 800 | 625 *e = '\n'; |
| 626 p = e + 1; | |
| 627 } | |
| 628 } | |
| 629 | |
| 630 /* Increase the height of the preview window to show the | |
| 631 * text, but no more than 'previewheight' lines. */ | |
| 838 | 632 if (repeat == 0) |
| 800 | 633 { |
| 838 | 634 if (lnum > p_pvh) |
| 635 lnum = p_pvh; | |
| 636 if (curwin->w_height < lnum) | |
| 637 { | |
| 638 win_setheight((int)lnum); | |
| 639 resized = TRUE; | |
| 640 } | |
| 800 | 641 } |
| 642 | |
| 643 curbuf->b_changed = 0; | |
| 644 curbuf->b_p_ma = FALSE; | |
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645 curwin->w_cursor.lnum = 1; |
| 800 | 646 curwin->w_cursor.col = 0; |
| 647 | |
| 648 if (curwin != curwin_save && win_valid(curwin_save)) | |
| 649 { | |
| 6089 | 650 /* When the first completion is done and the preview |
| 651 * window is not resized, skip the preview window's | |
| 652 * status line redrawing. */ | |
| 653 if (ins_compl_active() && !resized) | |
| 654 curwin->w_redr_status = FALSE; | |
| 655 | |
| 800 | 656 /* Return cursor to where we were */ |
| 657 validate_cursor(); | |
| 658 redraw_later(SOME_VALID); | |
| 659 | |
| 660 /* When the preview window was resized we need to | |
| 661 * update the view on the buffer. Only go back to | |
| 662 * the window when needed, otherwise it will always be | |
| 663 * redraw. */ | |
| 664 if (resized) | |
| 665 { | |
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diff
changeset
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666 ++no_u_sync; |
| 800 | 667 win_enter(curwin_save, TRUE); |
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diff
changeset
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668 --no_u_sync; |
| 800 | 669 update_topline(); |
| 670 } | |
| 671 | |
| 672 /* Update the screen before drawing the popup menu. | |
| 673 * Enable updating the status lines. */ | |
| 674 pum_do_redraw = TRUE; | |
| 675 update_screen(0); | |
| 676 pum_do_redraw = FALSE; | |
| 677 | |
| 816 | 678 if (!resized && win_valid(curwin_save)) |
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679 { |
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commit https://github.com/vim/vim/commit/e7d1376b636e6c758196c3542bd2c1053f9edb75
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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680 ++no_u_sync; |
| 800 | 681 win_enter(curwin_save, TRUE); |
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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682 --no_u_sync; |
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ce8b286e89ef
commit https://github.com/vim/vim/commit/e7d1376b636e6c758196c3542bd2c1053f9edb75
Christian Brabandt <cb@256bit.org>
parents:
6089
diff
changeset
|
683 } |
| 800 | 684 |
| 685 /* May need to update the screen again when there are | |
| 686 * autocommands involved. */ | |
| 687 pum_do_redraw = TRUE; | |
| 688 update_screen(0); | |
| 689 pum_do_redraw = FALSE; | |
| 690 } | |
| 691 } | |
| 692 } | |
| 693 } | |
| 694 #endif | |
| 695 } | |
| 696 | |
| 697 if (!resized) | |
| 698 pum_redraw(); | |
| 699 | |
| 700 return resized; | |
| 701 } | |
| 702 | |
| 703 /* | |
| 704 * Undisplay the popup menu (later). | |
| 705 */ | |
| 706 void | |
| 707 pum_undisplay() | |
| 708 { | |
| 709 pum_array = NULL; | |
| 710 redraw_all_later(SOME_VALID); | |
| 940 | 711 #ifdef FEAT_WINDOWS |
| 712 redraw_tabline = TRUE; | |
| 713 #endif | |
| 800 | 714 status_redraw_all(); |
| 715 } | |
| 716 | |
| 717 /* | |
| 718 * Clear the popup menu. Currently only resets the offset to the first | |
| 719 * displayed item. | |
| 720 */ | |
| 721 void | |
| 722 pum_clear() | |
| 723 { | |
| 724 pum_first = 0; | |
| 725 } | |
| 726 | |
| 727 /* | |
| 728 * Return TRUE if the popup menu is displayed. | |
| 729 * Overruled when "pum_do_redraw" is set, used to redraw the status lines. | |
| 730 */ | |
| 731 int | |
| 732 pum_visible() | |
| 733 { | |
| 734 return !pum_do_redraw && pum_array != NULL; | |
| 735 } | |
| 736 | |
| 737 /* | |
| 738 * Return the height of the popup menu, the number of entries visible. | |
| 739 * Only valid when pum_visible() returns TRUE! | |
| 740 */ | |
| 741 int | |
| 742 pum_get_height() | |
| 743 { | |
| 744 return pum_height; | |
| 745 } | |
| 746 | |
| 747 #endif |