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Size on split-window is -l not -s. Doh.
[tmux-openbsd.git] / window-choose.c
blobccd09afcd48d59f867f208be6d8cb280e128a9d7
1 /* $OpenBSD$ */
2
3 /*
4 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <sys/types.h>
20
21 #include <string.h>
22
23 #include "tmux.h"
24
25 struct screen *window_choose_init(struct window_pane *);
26 void window_choose_free(struct window_pane *);
27 void window_choose_resize(struct window_pane *, u_int, u_int);
28 void window_choose_key(struct window_pane *, struct session *, int);
29 void window_choose_mouse(
30 struct window_pane *, struct session *, struct mouse_event *);
31
32 void window_choose_redraw_screen(struct window_pane *);
33 void window_choose_write_line(
34 struct window_pane *, struct screen_write_ctx *, u_int);
35
36 void window_choose_scroll_up(struct window_pane *);
37 void window_choose_scroll_down(struct window_pane *);
38
39 const struct window_mode window_choose_mode = {
40 window_choose_init,
41 window_choose_free,
42 window_choose_resize,
43 window_choose_key,
44 window_choose_mouse,
45 NULL,
46 };
47
48 struct window_choose_mode_item {
49 char *name;
50 int idx;
51 };
52
53 struct window_choose_mode_data {
54 struct screen screen;
55
56 struct mode_key_data mdata;
57
58 ARRAY_DECL(, struct window_choose_mode_item) list;
59 u_int top;
60 u_int selected;
61
62 void (*callbackfn)(void *, int);
63 void (*freefn)(void *);
64 void *data;
65 };
66
67 int window_choose_key_index(struct window_choose_mode_data *, u_int);
68 int window_choose_index_key(struct window_choose_mode_data *, int);
69
70 void
71 window_choose_vadd(struct window_pane *wp, int idx, const char *fmt, va_list ap)
72 {
73 struct window_choose_mode_data *data = wp->modedata;
74 struct window_choose_mode_item *item;
75
76 ARRAY_EXPAND(&data->list, 1);
77 item = &ARRAY_LAST(&data->list);
78 xvasprintf(&item->name, fmt, ap);
79 item->idx = idx;
80 }
81
82 void printflike3
83 window_choose_add(struct window_pane *wp, int idx, const char *fmt, ...)
84 {
85 va_list ap;
86
87 va_start(ap, fmt);
88 window_choose_vadd(wp, idx, fmt, ap);
89 va_end(ap);
90 }
91
92 void
93 window_choose_ready(struct window_pane *wp, u_int cur,
94 void (*callbackfn)(void *, int), void (*freefn)(void *), void *cdata)
95 {
96 struct window_choose_mode_data *data = wp->modedata;
97 struct screen *s = &data->screen;
98
99 data->selected = cur;
100 if (data->selected > screen_size_y(s) - 1)
101 data->top = ARRAY_LENGTH(&data->list) - screen_size_y(s);
102
103 data->callbackfn = callbackfn;
104 data->freefn = freefn;
105 data->data = cdata;
106
107 window_choose_redraw_screen(wp);
108 }
109
110 struct screen *
111 window_choose_init(struct window_pane *wp)
112 {
113 struct window_choose_mode_data *data;
114 struct screen *s;
115 int keys;
116
117 wp->modedata = data = xmalloc(sizeof *data);
118
119 data->callbackfn = NULL;
120 data->freefn = NULL;
121 data->data = NULL;
122
123 ARRAY_INIT(&data->list);
124 data->top = 0;
125
126 s = &data->screen;
127 screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
128 s->mode &= ~MODE_CURSOR;
129 if (options_get_number(&wp->window->options, "mode-mouse"))
130 s->mode |= MODE_MOUSE_STANDARD;
131
132 keys = options_get_number(&wp->window->options, "mode-keys");
133 if (keys == MODEKEY_EMACS)
134 mode_key_init(&data->mdata, &mode_key_tree_emacs_choice);
135 else
136 mode_key_init(&data->mdata, &mode_key_tree_vi_choice);
137
138 return (s);
139 }
140
141 void
142 window_choose_free(struct window_pane *wp)
143 {
144 struct window_choose_mode_data *data = wp->modedata;
145 u_int i;
146
147 if (data->freefn != NULL && data->data != NULL)
148 data->freefn(data->data);
149
150 for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
151 xfree(ARRAY_ITEM(&data->list, i).name);
152 ARRAY_FREE(&data->list);
153
154 screen_free(&data->screen);
155 xfree(data);
156 }
157
158 void
159 window_choose_resize(struct window_pane *wp, u_int sx, u_int sy)
160 {
161 struct window_choose_mode_data *data = wp->modedata;
162 struct screen *s = &data->screen;
163
164 data->top = 0;
165 if (data->selected > sy - 1)
166 data->top = data->selected - (sy - 1);
167
168 screen_resize(s, sx, sy);
169 window_choose_redraw_screen(wp);
170 }
171
172 /* ARGSUSED */
173 void
174 window_choose_key(struct window_pane *wp, unused struct session *sess, int key)
175 {
176 struct window_choose_mode_data *data = wp->modedata;
177 struct screen *s = &data->screen;
178 struct screen_write_ctx ctx;
179 struct window_choose_mode_item *item;
180 u_int items;
181 int idx;
182
183 items = ARRAY_LENGTH(&data->list);
184
185 switch (mode_key_lookup(&data->mdata, key)) {
186 case MODEKEYCHOICE_CANCEL:
187 data->callbackfn(data->data, -1);
188 window_pane_reset_mode(wp);
189 break;
190 case MODEKEYCHOICE_CHOOSE:
191 item = &ARRAY_ITEM(&data->list, data->selected);
192 data->callbackfn(data->data, item->idx);
193 window_pane_reset_mode(wp);
194 break;
195 case MODEKEYCHOICE_UP:
196 if (items == 0)
197 break;
198 if (data->selected == 0) {
199 data->selected = items - 1;
200 if (data->selected > screen_size_y(s) - 1)
201 data->top = items - screen_size_y(s);
202 window_choose_redraw_screen(wp);
203 break;
204 }
205 data->selected--;
206 if (data->selected < data->top)
207 window_choose_scroll_up(wp);
208 else {
209 screen_write_start(&ctx, wp, NULL);
210 window_choose_write_line(
211 wp, &ctx, data->selected - data->top);
212 window_choose_write_line(
213 wp, &ctx, data->selected + 1 - data->top);
214 screen_write_stop(&ctx);
215 }
216 break;
217 case MODEKEYCHOICE_DOWN:
218 if (items == 0)
219 break;
220 if (data->selected == items - 1) {
221 data->selected = 0;
222 data->top = 0;
223 window_choose_redraw_screen(wp);
224 break;
225 }
226 data->selected++;
227
228 if (data->selected < data->top + screen_size_y(s)) {
229 screen_write_start(&ctx, wp, NULL);
230 window_choose_write_line(
231 wp, &ctx, data->selected - data->top);
232 window_choose_write_line(
233 wp, &ctx, data->selected - 1 - data->top);
234 screen_write_stop(&ctx);
235 } else
236 window_choose_scroll_down(wp);
237 break;
238 case MODEKEYCHOICE_SCROLLUP:
239 if (items == 0 || data->top == 0)
240 break;
241 if (data->selected == data->top + screen_size_y(s) - 1) {
242 data->selected--;
243 window_choose_scroll_up(wp);
244 screen_write_start(&ctx, wp, NULL);
245 window_choose_write_line(
246 wp, &ctx, screen_size_y(s) - 1);
247 screen_write_stop(&ctx);
248 } else
249 window_choose_scroll_up(wp);
250 break;
251 case MODEKEYCHOICE_SCROLLDOWN:
252 if (items == 0 ||
253 data->top + screen_size_y(&data->screen) >= items)
254 break;
255 if (data->selected == data->top) {
256 data->selected++;
257 window_choose_scroll_down(wp);
258 screen_write_start(&ctx, wp, NULL);
259 window_choose_write_line(wp, &ctx, 0);
260 screen_write_stop(&ctx);
261 } else
262 window_choose_scroll_down(wp);
263 break;
264 case MODEKEYCHOICE_PAGEUP:
265 if (data->selected < screen_size_y(s)) {
266 data->selected = 0;
267 data->top = 0;
268 } else {
269 data->selected -= screen_size_y(s);
270 if (data->top < screen_size_y(s))
271 data->top = 0;
272 else
273 data->top -= screen_size_y(s);
274 }
275 window_choose_redraw_screen(wp);
276 break;
277 case MODEKEYCHOICE_PAGEDOWN:
278 data->selected += screen_size_y(s);
279 if (data->selected > items - 1)
280 data->selected = items - 1;
281 data->top += screen_size_y(s);
282 if (screen_size_y(s) < items) {
283 if (data->top + screen_size_y(s) > items)
284 data->top = items - screen_size_y(s);
285 } else
286 data->top = 0;
287 if (data->selected < data->top)
288 data->top = data->selected;
289 window_choose_redraw_screen(wp);
290 break;
291 default:
292 idx = window_choose_index_key(data, key);
293 if (idx < 0 || (u_int) idx >= ARRAY_LENGTH(&data->list))
294 break;
295 data->selected = idx;
296
297 item = &ARRAY_ITEM(&data->list, data->selected);
298 data->callbackfn(data->data, item->idx);
299 window_pane_reset_mode(wp);
300 break;
301 }
302 }
303
304 /* ARGSUSED */
305 void
306 window_choose_mouse(
307 struct window_pane *wp, unused struct session *sess, struct mouse_event *m)
308 {
309 struct window_choose_mode_data *data = wp->modedata;
310 struct screen *s = &data->screen;
311 struct window_choose_mode_item *item;
312 u_int idx;
313
314 if ((m->b & 3) == 3)
315 return;
316 if (m->x >= screen_size_x(s))
317 return;
318 if (m->y >= screen_size_y(s))
319 return;
320
321 idx = data->top + m->y;
322 if (idx >= ARRAY_LENGTH(&data->list))
323 return;
324 data->selected = idx;
325
326 item = &ARRAY_ITEM(&data->list, data->selected);
327 data->callbackfn(data->data, item->idx);
328 window_pane_reset_mode(wp);
329 }
330
331 void
332 window_choose_write_line(
333 struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
334 {
335 struct window_choose_mode_data *data = wp->modedata;
336 struct window_choose_mode_item *item;
337 struct options *oo = &wp->window->options;
338 struct screen *s = &data->screen;
339 struct grid_cell gc;
340 int utf8flag, key;
341
342 if (data->callbackfn == NULL)
343 fatalx("called before callback assigned");
344
345 utf8flag = options_get_number(&wp->window->options, "utf8");
346 memcpy(&gc, &grid_default_cell, sizeof gc);
347 if (data->selected == data->top + py) {
348 colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
349 colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
350 gc.attr |= options_get_number(oo, "mode-attr");
351 }
352
353 screen_write_cursormove(ctx, 0, py);
354 if (data->top + py < ARRAY_LENGTH(&data->list)) {
355 item = &ARRAY_ITEM(&data->list, data->top + py);
356 key = window_choose_key_index(data, data->top + py);
357 if (key != -1) {
358 screen_write_nputs(ctx, screen_size_x(s) - 1,
359 &gc, utf8flag, "(%c) %s", key, item->name);
360 } else {
361 screen_write_nputs(ctx, screen_size_x(s) - 1,
362 &gc, utf8flag, " %s", item->name);
363 }
364
365 }
366 while (s->cx < screen_size_x(s))
367 screen_write_putc(ctx, &gc, ' ');
368 }
369
370 int
371 window_choose_key_index(struct window_choose_mode_data *data, u_int idx)
372 {
373 static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
374 const char *ptr;
375 int mkey;
376
377 for (ptr = keys; *ptr != '\0'; ptr++) {
378 mkey = mode_key_lookup(&data->mdata, *ptr);
379 if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
380 continue;
381 if (idx-- == 0)
382 return (*ptr);
383 }
384 return (-1);
385 }
386
387 int
388 window_choose_index_key(struct window_choose_mode_data *data, int key)
389 {
390 static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
391 const char *ptr;
392 int mkey;
393 u_int idx = 0;
394
395 for (ptr = keys; *ptr != '\0'; ptr++) {
396 mkey = mode_key_lookup(&data->mdata, *ptr);
397 if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
398 continue;
399 if (key == *ptr)
400 return (idx);
401 idx++;
402 }
403 return (-1);
404 }
405
406 void
407 window_choose_redraw_screen(struct window_pane *wp)
408 {
409 struct window_choose_mode_data *data = wp->modedata;
410 struct screen *s = &data->screen;
411 struct screen_write_ctx ctx;
412 u_int i;
413
414 screen_write_start(&ctx, wp, NULL);
415 for (i = 0; i < screen_size_y(s); i++)
416 window_choose_write_line(wp, &ctx, i);
417 screen_write_stop(&ctx);
418 }
419
420 void
421 window_choose_scroll_up(struct window_pane *wp)
422 {
423 struct window_choose_mode_data *data = wp->modedata;
424 struct screen_write_ctx ctx;
425
426 if (data->top == 0)
427 return;
428 data->top--;
429
430 screen_write_start(&ctx, wp, NULL);
431 screen_write_cursormove(&ctx, 0, 0);
432 screen_write_insertline(&ctx, 1);
433 window_choose_write_line(wp, &ctx, 0);
434 if (screen_size_y(&data->screen) > 1)
435 window_choose_write_line(wp, &ctx, 1);
436 screen_write_stop(&ctx);
437 }
438
439 void
440 window_choose_scroll_down(struct window_pane *wp)
441 {
442 struct window_choose_mode_data *data = wp->modedata;
443 struct screen *s = &data->screen;
444 struct screen_write_ctx ctx;
445
446 if (data->top >= ARRAY_LENGTH(&data->list))
447 return;
448 data->top++;
449
450 screen_write_start(&ctx, wp, NULL);
451 screen_write_cursormove(&ctx, 0, 0);
452 screen_write_deleteline(&ctx, 1);
453 window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
454 if (screen_size_y(&data->screen) > 1)
455 window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
456 screen_write_stop(&ctx);
457 }