|
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
|
|
|
285 if (pum_scrollbar)
|
|
|
286 {
|
|
|
287 thumb_heigth = pum_height * pum_height / pum_size;
|
|
|
288 if (thumb_heigth == 0)
|
|
|
289 thumb_heigth = 1;
|
|
|
290 thumb_pos = (pum_first * (pum_height - thumb_heigth)
|
|
|
291 + (pum_size - pum_height) / 2)
|
|
|
292 / (pum_size - pum_height);
|
|
|
293 }
|
|
|
294
|
|
|
295 for (i = 0; i < pum_height; ++i)
|
|
|
296 {
|
|
|
297 idx = i + pum_first;
|
|
|
298 attr = (idx == pum_selected) ? attr_select : attr_norm;
|
|
|
299
|
|
|
300 /* prepend a space if there is room */
|
|
1344
|
301 #ifdef FEAT_RIGHTLEFT
|
|
|
302 if (curwin->w_p_rl)
|
|
|
303 {
|
|
|
304 if (pum_col < W_WINCOL(curwin) + W_WIDTH(curwin) - 1)
|
|
|
305 screen_putchar(' ', row, pum_col + 1, attr);
|
|
|
306 }
|
|
|
307 else
|
|
|
308 #endif
|
|
|
309 if (pum_col > 0)
|
|
|
310 screen_putchar(' ', row, pum_col - 1, attr);
|
|
800
|
311
|
|
|
312 /* Display each entry, use two spaces for a Tab.
|
|
|
313 * Do this 3 times: For the main text, kind and extra info */
|
|
|
314 col = pum_col;
|
|
|
315 totwidth = 0;
|
|
|
316 for (round = 1; round <= 3; ++round)
|
|
|
317 {
|
|
|
318 width = 0;
|
|
|
319 s = NULL;
|
|
|
320 switch (round)
|
|
|
321 {
|
|
|
322 case 1: p = pum_array[idx].pum_text; break;
|
|
|
323 case 2: p = pum_array[idx].pum_kind; break;
|
|
|
324 case 3: p = pum_array[idx].pum_extra; break;
|
|
|
325 }
|
|
|
326 if (p != NULL)
|
|
|
327 for ( ; ; mb_ptr_adv(p))
|
|
|
328 {
|
|
|
329 if (s == NULL)
|
|
|
330 s = p;
|
|
|
331 w = ptr2cells(p);
|
|
|
332 if (*p == NUL || *p == TAB || totwidth + w > pum_width)
|
|
|
333 {
|
|
1097
|
334 /* Display the text that fits or comes before a Tab.
|
|
|
335 * First convert it to printable characters. */
|
|
1344
|
336 char_u *st;
|
|
|
337 int saved = *p;
|
|
1097
|
338
|
|
|
339 *p = NUL;
|
|
|
340 st = transstr(s);
|
|
|
341 *p = saved;
|
|
1344
|
342 #ifdef FEAT_RIGHTLEFT
|
|
|
343 if (curwin->w_p_rl)
|
|
1097
|
344 {
|
|
1344
|
345 if (st != NULL)
|
|
|
346 {
|
|
|
347 char_u *rt = reverse_text(st);
|
|
|
348 char_u *rt_saved = rt;
|
|
|
349 int len, j;
|
|
|
350
|
|
|
351 if (rt != NULL)
|
|
|
352 {
|
|
1570
|
353 len = (int)STRLEN(rt);
|
|
1344
|
354 if (len > pum_width)
|
|
|
355 {
|
|
|
356 for (j = pum_width; j < len; ++j)
|
|
|
357 mb_ptr_adv(rt);
|
|
|
358 len = pum_width;
|
|
|
359 }
|
|
|
360 screen_puts_len(rt, len, row,
|
|
|
361 col - len + 1, attr);
|
|
|
362 vim_free(rt_saved);
|
|
|
363 }
|
|
|
364 vim_free(st);
|
|
|
365 }
|
|
|
366 col -= width;
|
|
|
367 }
|
|
|
368 else
|
|
|
369 #endif
|
|
|
370 {
|
|
|
371 if (st != NULL)
|
|
|
372 {
|
|
|
373 screen_puts_len(st, (int)STRLEN(st), row, col,
|
|
1097
|
374 attr);
|
|
1344
|
375 vim_free(st);
|
|
|
376 }
|
|
|
377 col += width;
|
|
1097
|
378 }
|
|
800
|
379
|
|
|
380 if (*p != TAB)
|
|
|
381 break;
|
|
|
382
|
|
|
383 /* Display two spaces for a Tab. */
|
|
1344
|
384 #ifdef FEAT_RIGHTLEFT
|
|
|
385 if (curwin->w_p_rl)
|
|
|
386 {
|
|
|
387 screen_puts_len((char_u *)" ", 2, row, col - 1,
|
|
|
388 attr);
|
|
|
389 col -= 2;
|
|
|
390 }
|
|
|
391 else
|
|
|
392 #endif
|
|
|
393 {
|
|
|
394 screen_puts_len((char_u *)" ", 2, row, col, attr);
|
|
|
395 col += 2;
|
|
|
396 }
|
|
800
|
397 totwidth += 2;
|
|
|
398 s = NULL; /* start text at next char */
|
|
|
399 width = 0;
|
|
|
400 }
|
|
|
401 else
|
|
|
402 width += w;
|
|
|
403 }
|
|
|
404
|
|
|
405 if (round > 1)
|
|
|
406 n = pum_kind_width + 1;
|
|
|
407 else
|
|
|
408 n = 1;
|
|
|
409
|
|
|
410 /* Stop when there is nothing more to display. */
|
|
|
411 if (round == 3
|
|
|
412 || (round == 2 && pum_array[idx].pum_extra == NULL)
|
|
|
413 || (round == 1 && pum_array[idx].pum_kind == NULL
|
|
|
414 && pum_array[idx].pum_extra == NULL)
|
|
|
415 || pum_base_width + n >= pum_width)
|
|
|
416 break;
|
|
1344
|
417 #ifdef FEAT_RIGHTLEFT
|
|
|
418 if (curwin->w_p_rl)
|
|
|
419 {
|
|
|
420 screen_fill(row, row + 1, pum_col - pum_base_width - n + 1,
|
|
|
421 col + 1, ' ', ' ', attr);
|
|
|
422 col = pum_col - pum_base_width - n + 1;
|
|
|
423 }
|
|
|
424 else
|
|
|
425 #endif
|
|
|
426 {
|
|
|
427 screen_fill(row, row + 1, col, pum_col + pum_base_width + n,
|
|
800
|
428 ' ', ' ', attr);
|
|
1344
|
429 col = pum_col + pum_base_width + n;
|
|
|
430 }
|
|
800
|
431 totwidth = pum_base_width + n;
|
|
|
432 }
|
|
|
433
|
|
1344
|
434 #ifdef FEAT_RIGHTLEFT
|
|
|
435 if (curwin->w_p_rl)
|
|
|
436 screen_fill(row, row + 1, pum_col - pum_width + 1, col + 1, ' ',
|
|
|
437 ' ', attr);
|
|
|
438 else
|
|
|
439 #endif
|
|
|
440 screen_fill(row, row + 1, col, pum_col + pum_width, ' ', ' ',
|
|
|
441 attr);
|
|
800
|
442 if (pum_scrollbar > 0)
|
|
1344
|
443 {
|
|
|
444 #ifdef FEAT_RIGHTLEFT
|
|
|
445 if (curwin->w_p_rl)
|
|
|
446 screen_putchar(' ', row, pum_col - pum_width,
|
|
|
447 i >= thumb_pos && i < thumb_pos + thumb_heigth
|
|
800
|
448 ? attr_thumb : attr_scroll);
|
|
1344
|
449 else
|
|
|
450 #endif
|
|
|
451 screen_putchar(' ', row, pum_col + pum_width,
|
|
|
452 i >= thumb_pos && i < thumb_pos + thumb_heigth
|
|
|
453 ? attr_thumb : attr_scroll);
|
|
|
454 }
|
|
800
|
455
|
|
|
456 ++row;
|
|
|
457 }
|
|
|
458 }
|
|
|
459
|
|
|
460 #if 0 /* not used yet */
|
|
|
461 /*
|
|
|
462 * Return the index of the currently selected item.
|
|
|
463 */
|
|
|
464 int
|
|
|
465 pum_get_selected()
|
|
|
466 {
|
|
|
467 return pum_selected;
|
|
|
468 }
|
|
|
469 #endif
|
|
|
470
|
|
|
471 /*
|
|
|
472 * Set the index of the currently selected item. The menu will scroll when
|
|
|
473 * necessary. When "n" is out of range don't scroll.
|
|
838
|
474 * This may be repeated when the preview window is used:
|
|
|
475 * "repeat" == 0: open preview window normally
|
|
|
476 * "repeat" == 1: open preview window but don't set the size
|
|
|
477 * "repeat" == 2: don't open preview window
|
|
800
|
478 * Returns TRUE when the window was resized and the location of the popup menu
|
|
|
479 * must be recomputed.
|
|
|
480 */
|
|
|
481 static int
|
|
838
|
482 pum_set_selected(n, repeat)
|
|
800
|
483 int n;
|
|
838
|
484 int repeat;
|
|
800
|
485 {
|
|
|
486 int resized = FALSE;
|
|
|
487 int context = pum_height / 2;
|
|
|
488
|
|
|
489 pum_selected = n;
|
|
|
490
|
|
|
491 if (pum_selected >= 0 && pum_selected < pum_size)
|
|
|
492 {
|
|
|
493 if (pum_first > pum_selected - 4)
|
|
|
494 {
|
|
|
495 /* scroll down; when we did a jump it's probably a PageUp then
|
|
|
496 * scroll a whole page */
|
|
|
497 if (pum_first > pum_selected - 2)
|
|
|
498 {
|
|
|
499 pum_first -= pum_height - 2;
|
|
|
500 if (pum_first < 0)
|
|
|
501 pum_first = 0;
|
|
|
502 else if (pum_first > pum_selected)
|
|
|
503 pum_first = pum_selected;
|
|
|
504 }
|
|
|
505 else
|
|
|
506 pum_first = pum_selected;
|
|
|
507 }
|
|
|
508 else if (pum_first < pum_selected - pum_height + 5)
|
|
|
509 {
|
|
|
510 /* scroll up; when we did a jump it's probably a PageDown then
|
|
|
511 * scroll a whole page */
|
|
|
512 if (pum_first < pum_selected - pum_height + 1 + 2)
|
|
|
513 {
|
|
|
514 pum_first += pum_height - 2;
|
|
|
515 if (pum_first < pum_selected - pum_height + 1)
|
|
|
516 pum_first = pum_selected - pum_height + 1;
|
|
|
517 }
|
|
|
518 else
|
|
|
519 pum_first = pum_selected - pum_height + 1;
|
|
|
520 }
|
|
|
521
|
|
|
522 /* Give a few lines of context when possible. */
|
|
|
523 if (context > 3)
|
|
|
524 context = 3;
|
|
|
525 if (pum_height > 2)
|
|
|
526 {
|
|
|
527 if (pum_first > pum_selected - context)
|
|
|
528 {
|
|
|
529 /* scroll down */
|
|
|
530 pum_first = pum_selected - context;
|
|
|
531 if (pum_first < 0)
|
|
|
532 pum_first = 0;
|
|
|
533 }
|
|
|
534 else if (pum_first < pum_selected + context - pum_height + 1)
|
|
|
535 {
|
|
|
536 /* scroll up */
|
|
|
537 pum_first = pum_selected + context - pum_height + 1;
|
|
|
538 }
|
|
|
539 }
|
|
|
540
|
|
|
541 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
|
|
816
|
542 /*
|
|
|
543 * Show extra info in the preview window if there is something and
|
|
|
544 * 'completeopt' contains "preview".
|
|
838
|
545 * Skip this when tried twice already.
|
|
|
546 * Skip this also when there is not much room.
|
|
816
|
547 * NOTE: Be very careful not to sync undo!
|
|
|
548 */
|
|
800
|
549 if (pum_array[pum_selected].pum_info != NULL
|
|
838
|
550 && Rows > 10
|
|
|
551 && repeat <= 1
|
|
|
552 && vim_strchr(p_cot, 'p') != NULL)
|
|
800
|
553 {
|
|
|
554 win_T *curwin_save = curwin;
|
|
|
555 int res = OK;
|
|
|
556
|
|
|
557 /* Open a preview window. 3 lines by default. */
|
|
|
558 g_do_tagpreview = 3;
|
|
816
|
559 resized = prepare_tagpreview(FALSE);
|
|
800
|
560 g_do_tagpreview = 0;
|
|
|
561
|
|
|
562 if (curwin->w_p_pvw)
|
|
|
563 {
|
|
|
564 if (curbuf->b_fname == NULL
|
|
|
565 && curbuf->b_p_bt[0] == 'n' && curbuf->b_p_bt[2] == 'f'
|
|
|
566 && curbuf->b_p_bh[0] == 'w')
|
|
|
567 {
|
|
|
568 /* Already a "wipeout" buffer, make it empty. */
|
|
|
569 while (!bufempty())
|
|
|
570 ml_delete((linenr_T)1, FALSE);
|
|
|
571 }
|
|
825
|
572 else
|
|
800
|
573 {
|
|
825
|
574 /* Don't want to sync undo in the current buffer. */
|
|
|
575 ++no_u_sync;
|
|
1743
|
576 res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL);
|
|
825
|
577 --no_u_sync;
|
|
|
578 if (res == OK)
|
|
|
579 {
|
|
|
580 /* Edit a new, empty buffer. Set options for a "wipeout"
|
|
|
581 * buffer. */
|
|
|
582 set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL);
|
|
|
583 set_option_value((char_u *)"bt", 0L,
|
|
|
584 (char_u *)"nofile", OPT_LOCAL);
|
|
|
585 set_option_value((char_u *)"bh", 0L,
|
|
|
586 (char_u *)"wipe", OPT_LOCAL);
|
|
|
587 set_option_value((char_u *)"diff", 0L,
|
|
1302
|
588 NULL, OPT_LOCAL);
|
|
825
|
589 }
|
|
800
|
590 }
|
|
|
591 if (res == OK)
|
|
|
592 {
|
|
|
593 char_u *p, *e;
|
|
|
594 linenr_T lnum = 0;
|
|
|
595
|
|
|
596 for (p = pum_array[pum_selected].pum_info; *p != NUL; )
|
|
|
597 {
|
|
|
598 e = vim_strchr(p, '\n');
|
|
|
599 if (e == NULL)
|
|
|
600 {
|
|
|
601 ml_append(lnum++, p, 0, FALSE);
|
|
|
602 break;
|
|
|
603 }
|
|
|
604 else
|
|
|
605 {
|
|
|
606 *e = NUL;
|
|
835
|
607 ml_append(lnum++, p, (int)(e - p + 1), FALSE);
|
|
800
|
608 *e = '\n';
|
|
|
609 p = e + 1;
|
|
|
610 }
|
|
|
611 }
|
|
|
612
|
|
|
613 /* Increase the height of the preview window to show the
|
|
|
614 * text, but no more than 'previewheight' lines. */
|
|
838
|
615 if (repeat == 0)
|
|
800
|
616 {
|
|
838
|
617 if (lnum > p_pvh)
|
|
|
618 lnum = p_pvh;
|
|
|
619 if (curwin->w_height < lnum)
|
|
|
620 {
|
|
|
621 win_setheight((int)lnum);
|
|
|
622 resized = TRUE;
|
|
|
623 }
|
|
800
|
624 }
|
|
|
625
|
|
|
626 curbuf->b_changed = 0;
|
|
|
627 curbuf->b_p_ma = FALSE;
|
|
|
628 curwin->w_cursor.lnum = 0;
|
|
|
629 curwin->w_cursor.col = 0;
|
|
|
630
|
|
|
631 if (curwin != curwin_save && win_valid(curwin_save))
|
|
|
632 {
|
|
|
633 /* Return cursor to where we were */
|
|
|
634 validate_cursor();
|
|
|
635 redraw_later(SOME_VALID);
|
|
|
636
|
|
|
637 /* When the preview window was resized we need to
|
|
|
638 * update the view on the buffer. Only go back to
|
|
|
639 * the window when needed, otherwise it will always be
|
|
|
640 * redraw. */
|
|
|
641 if (resized)
|
|
|
642 {
|
|
|
643 win_enter(curwin_save, TRUE);
|
|
|
644 update_topline();
|
|
|
645 }
|
|
|
646
|
|
|
647 /* Update the screen before drawing the popup menu.
|
|
|
648 * Enable updating the status lines. */
|
|
|
649 pum_do_redraw = TRUE;
|
|
|
650 update_screen(0);
|
|
|
651 pum_do_redraw = FALSE;
|
|
|
652
|
|
816
|
653 if (!resized && win_valid(curwin_save))
|
|
800
|
654 win_enter(curwin_save, TRUE);
|
|
|
655
|
|
|
656 /* May need to update the screen again when there are
|
|
|
657 * autocommands involved. */
|
|
|
658 pum_do_redraw = TRUE;
|
|
|
659 update_screen(0);
|
|
|
660 pum_do_redraw = FALSE;
|
|
|
661 }
|
|
|
662 }
|
|
|
663 }
|
|
|
664 }
|
|
|
665 #endif
|
|
|
666 }
|
|
|
667
|
|
|
668 /* Never display more than we have */
|
|
|
669 if (pum_first > pum_size - pum_height)
|
|
|
670 pum_first = pum_size - pum_height;
|
|
|
671
|
|
|
672 if (!resized)
|
|
|
673 pum_redraw();
|
|
|
674
|
|
|
675 return resized;
|
|
|
676 }
|
|
|
677
|
|
|
678 /*
|
|
|
679 * Undisplay the popup menu (later).
|
|
|
680 */
|
|
|
681 void
|
|
|
682 pum_undisplay()
|
|
|
683 {
|
|
|
684 pum_array = NULL;
|
|
|
685 redraw_all_later(SOME_VALID);
|
|
940
|
686 #ifdef FEAT_WINDOWS
|
|
|
687 redraw_tabline = TRUE;
|
|
|
688 #endif
|
|
800
|
689 status_redraw_all();
|
|
|
690 }
|
|
|
691
|
|
|
692 /*
|
|
|
693 * Clear the popup menu. Currently only resets the offset to the first
|
|
|
694 * displayed item.
|
|
|
695 */
|
|
|
696 void
|
|
|
697 pum_clear()
|
|
|
698 {
|
|
|
699 pum_first = 0;
|
|
|
700 }
|
|
|
701
|
|
|
702 /*
|
|
|
703 * Return TRUE if the popup menu is displayed.
|
|
|
704 * Overruled when "pum_do_redraw" is set, used to redraw the status lines.
|
|
|
705 */
|
|
|
706 int
|
|
|
707 pum_visible()
|
|
|
708 {
|
|
|
709 return !pum_do_redraw && pum_array != NULL;
|
|
|
710 }
|
|
|
711
|
|
|
712 /*
|
|
|
713 * Return the height of the popup menu, the number of entries visible.
|
|
|
714 * Only valid when pum_visible() returns TRUE!
|
|
|
715 */
|
|
|
716 int
|
|
|
717 pum_get_height()
|
|
|
718 {
|
|
|
719 return pum_height;
|
|
|
720 }
|
|
|
721
|
|
|
722 #endif
|
