Annotation of src/usr.bin/tmux/window.c, Revision 1.242
1.242 ! nicm 1: /* $OpenBSD: window.c,v 1.241 2019/08/14 09:58:31 nicm Exp $ */
1.1 nicm 2:
3: /*
1.156 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.162 nicm 20: #include <sys/ioctl.h>
1.1 nicm 21:
1.236 nicm 22: #include <ctype.h>
1.1 nicm 23: #include <errno.h>
24: #include <fcntl.h>
1.5 nicm 25: #include <fnmatch.h>
1.232 nicm 26: #include <regex.h>
1.203 nicm 27: #include <signal.h>
1.1 nicm 28: #include <stdint.h>
29: #include <stdlib.h>
30: #include <string.h>
1.163 nicm 31: #include <time.h>
1.1 nicm 32: #include <unistd.h>
33: #include <util.h>
1.198 nicm 34: #include <vis.h>
1.1 nicm 35:
36: #include "tmux.h"
37:
38: /*
1.14 nicm 39: * Each window is attached to a number of panes, each of which is a pty. This
1.1 nicm 40: * file contains code to handle them.
41: *
42: * A pane has two buffers attached, these are filled and emptied by the main
43: * server poll loop. Output data is received from pty's in screen format,
44: * translated and returned as a series of escape sequences and strings via
45: * input_parse (in input.c). Input data is received as key codes and written
46: * directly via input_key.
47: *
48: * Each pane also has a "virtual" screen (screen.c) which contains the current
49: * state and is redisplayed when the window is reattached to a client.
50: *
51: * Windows are stored directly on a global array and wrapped in any number of
52: * winlink structs to be linked onto local session RB trees. A reference count
53: * is maintained and a window removed from the global list and destroyed when
54: * it reaches zero.
55: */
1.124 nicm 56:
1.1 nicm 57: /* Global window list. */
58: struct windows windows;
59:
1.64 nicm 60: /* Global panes tree. */
61: struct window_pane_tree all_window_panes;
1.166 nicm 62: static u_int next_window_pane_id;
63: static u_int next_window_id;
64: static u_int next_active_point;
1.222 nicm 65:
66: /* List of window modes. */
67: const struct window_mode *all_window_modes[] = {
68: &window_buffer_mode,
69: &window_client_mode,
70: &window_clock_mode,
71: &window_copy_mode,
72: &window_tree_mode,
73: &window_view_mode,
74: NULL
75: };
1.37 nicm 76:
1.228 nicm 77: struct window_pane_input_data {
78: struct cmdq_item *item;
79: u_int wp;
80: };
81:
1.169 nicm 82: static struct window_pane *window_pane_create(struct window *, u_int, u_int,
83: u_int);
84: static void window_pane_destroy(struct window_pane *);
85:
1.122 nicm 86: RB_GENERATE(windows, window, entry, window_cmp);
1.169 nicm 87: RB_GENERATE(winlinks, winlink, entry, winlink_cmp);
88: RB_GENERATE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
1.122 nicm 89:
90: int
91: window_cmp(struct window *w1, struct window *w2)
92: {
93: return (w1->id - w2->id);
94: }
95:
1.1 nicm 96: int
97: winlink_cmp(struct winlink *wl1, struct winlink *wl2)
98: {
99: return (wl1->idx - wl2->idx);
1.12 nicm 100: }
101:
1.64 nicm 102: int
103: window_pane_cmp(struct window_pane *wp1, struct window_pane *wp2)
104: {
105: return (wp1->id - wp2->id);
106: }
107:
1.12 nicm 108: struct winlink *
109: winlink_find_by_window(struct winlinks *wwl, struct window *w)
110: {
111: struct winlink *wl;
112:
113: RB_FOREACH(wl, winlinks, wwl) {
114: if (wl->window == w)
115: return (wl);
116: }
117:
118: return (NULL);
1.1 nicm 119: }
120:
121: struct winlink *
122: winlink_find_by_index(struct winlinks *wwl, int idx)
123: {
124: struct winlink wl;
125:
126: if (idx < 0)
127: fatalx("bad index");
128:
129: wl.idx = idx;
130: return (RB_FIND(winlinks, wwl, &wl));
131: }
132:
1.71 nicm 133: struct winlink *
134: winlink_find_by_window_id(struct winlinks *wwl, u_int id)
135: {
136: struct winlink *wl;
137:
138: RB_FOREACH(wl, winlinks, wwl) {
139: if (wl->window->id == id)
140: return (wl);
141: }
1.78 nicm 142: return (NULL);
1.71 nicm 143: }
144:
1.169 nicm 145: static int
1.22 nicm 146: winlink_next_index(struct winlinks *wwl, int idx)
1.1 nicm 147: {
1.22 nicm 148: int i;
1.1 nicm 149:
1.22 nicm 150: i = idx;
151: do {
1.1 nicm 152: if (winlink_find_by_index(wwl, i) == NULL)
153: return (i);
1.22 nicm 154: if (i == INT_MAX)
155: i = 0;
156: else
157: i++;
158: } while (i != idx);
159: return (-1);
1.1 nicm 160: }
161:
162: u_int
163: winlink_count(struct winlinks *wwl)
164: {
165: struct winlink *wl;
166: u_int n;
167:
168: n = 0;
169: RB_FOREACH(wl, winlinks, wwl)
170: n++;
171:
172: return (n);
173: }
174:
175: struct winlink *
1.63 nicm 176: winlink_add(struct winlinks *wwl, int idx)
1.1 nicm 177: {
178: struct winlink *wl;
179:
1.22 nicm 180: if (idx < 0) {
181: if ((idx = winlink_next_index(wwl, -idx - 1)) == -1)
182: return (NULL);
183: } else if (winlink_find_by_index(wwl, idx) != NULL)
1.1 nicm 184: return (NULL);
185:
186: wl = xcalloc(1, sizeof *wl);
187: wl->idx = idx;
188: RB_INSERT(winlinks, wwl, wl);
189:
1.63 nicm 190: return (wl);
191: }
192:
193: void
194: winlink_set_window(struct winlink *wl, struct window *w)
195: {
1.174 nicm 196: if (wl->window != NULL) {
197: TAILQ_REMOVE(&wl->window->winlinks, wl, wentry);
1.192 nicm 198: window_remove_ref(wl->window, __func__);
1.174 nicm 199: }
200: TAILQ_INSERT_TAIL(&w->winlinks, wl, wentry);
1.63 nicm 201: wl->window = w;
1.192 nicm 202: window_add_ref(w, __func__);
1.1 nicm 203: }
204:
205: void
206: winlink_remove(struct winlinks *wwl, struct winlink *wl)
207: {
208: struct window *w = wl->window;
209:
1.174 nicm 210: if (w != NULL) {
211: TAILQ_REMOVE(&w->winlinks, wl, wentry);
1.192 nicm 212: window_remove_ref(w, __func__);
1.174 nicm 213: }
214:
1.1 nicm 215: RB_REMOVE(winlinks, wwl, wl);
1.82 nicm 216: free(wl);
1.1 nicm 217: }
218:
219: struct winlink *
1.41 nicm 220: winlink_next(struct winlink *wl)
1.1 nicm 221: {
222: return (RB_NEXT(winlinks, wwl, wl));
223: }
224:
225: struct winlink *
1.41 nicm 226: winlink_previous(struct winlink *wl)
1.1 nicm 227: {
228: return (RB_PREV(winlinks, wwl, wl));
1.52 nicm 229: }
230:
231: struct winlink *
1.53 nicm 232: winlink_next_by_number(struct winlink *wl, struct session *s, int n)
1.52 nicm 233: {
234: for (; n > 0; n--) {
235: if ((wl = RB_NEXT(winlinks, wwl, wl)) == NULL)
1.53 nicm 236: wl = RB_MIN(winlinks, &s->windows);
1.52 nicm 237: }
238:
239: return (wl);
240: }
241:
242: struct winlink *
1.53 nicm 243: winlink_previous_by_number(struct winlink *wl, struct session *s, int n)
1.52 nicm 244: {
245: for (; n > 0; n--) {
246: if ((wl = RB_PREV(winlinks, wwl, wl)) == NULL)
1.53 nicm 247: wl = RB_MAX(winlinks, &s->windows);
1.52 nicm 248: }
249:
250: return (wl);
1.1 nicm 251: }
252:
253: void
254: winlink_stack_push(struct winlink_stack *stack, struct winlink *wl)
255: {
256: if (wl == NULL)
257: return;
258:
259: winlink_stack_remove(stack, wl);
1.28 nicm 260: TAILQ_INSERT_HEAD(stack, wl, sentry);
1.1 nicm 261: }
262:
263: void
264: winlink_stack_remove(struct winlink_stack *stack, struct winlink *wl)
265: {
266: struct winlink *wl2;
267:
268: if (wl == NULL)
269: return;
1.42 nicm 270:
1.28 nicm 271: TAILQ_FOREACH(wl2, stack, sentry) {
1.1 nicm 272: if (wl2 == wl) {
1.28 nicm 273: TAILQ_REMOVE(stack, wl, sentry);
1.1 nicm 274: return;
275: }
276: }
277: }
278:
279: struct window *
1.125 nicm 280: window_find_by_id_str(const char *s)
1.123 nicm 281: {
282: const char *errstr;
283: u_int id;
284:
285: if (*s != '@')
286: return (NULL);
287:
288: id = strtonum(s + 1, 0, UINT_MAX, &errstr);
289: if (errstr != NULL)
290: return (NULL);
291: return (window_find_by_id(id));
292: }
293:
294: struct window *
1.71 nicm 295: window_find_by_id(u_int id)
296: {
1.122 nicm 297: struct window w;
1.71 nicm 298:
1.122 nicm 299: w.id = id;
300: return (RB_FIND(windows, &windows, &w));
1.71 nicm 301: }
302:
1.143 nicm 303: void
304: window_update_activity(struct window *w)
305: {
306: gettimeofday(&w->activity_time, NULL);
307: alerts_queue(w, WINDOW_ACTIVITY);
308: }
309:
1.71 nicm 310: struct window *
1.171 nicm 311: window_create(u_int sx, u_int sy)
1.1 nicm 312: {
313: struct window *w;
314:
1.38 nicm 315: w = xcalloc(1, sizeof *w);
1.1 nicm 316: w->name = NULL;
1.234 nicm 317: w->flags = 0;
1.1 nicm 318:
319: TAILQ_INIT(&w->panes);
320: w->active = NULL;
1.14 nicm 321:
1.17 nicm 322: w->lastlayout = -1;
1.14 nicm 323: w->layout_root = NULL;
1.42 nicm 324:
1.1 nicm 325: w->sx = sx;
326: w->sy = sy;
1.133 nicm 327:
1.146 nicm 328: w->options = options_create(global_w_options);
1.1 nicm 329:
330: w->references = 0;
1.174 nicm 331: TAILQ_INIT(&w->winlinks);
1.1 nicm 332:
1.122 nicm 333: w->id = next_window_id++;
1.129 nicm 334: RB_INSERT(windows, &windows, w);
1.122 nicm 335:
1.143 nicm 336: window_update_activity(w);
337:
1.1 nicm 338: return (w);
339: }
340:
1.240 nicm 341: static void
1.1 nicm 342: window_destroy(struct window *w)
343: {
1.192 nicm 344: log_debug("window @%u destroyed (%d references)", w->id, w->references);
1.174 nicm 345:
1.122 nicm 346: RB_REMOVE(windows, &windows, w);
1.1 nicm 347:
1.14 nicm 348: if (w->layout_root != NULL)
1.135 nicm 349: layout_free_cell(w->layout_root);
350: if (w->saved_layout_root != NULL)
351: layout_free_cell(w->saved_layout_root);
1.127 nicm 352: free(w->old_layout);
1.139 nicm 353:
1.227 nicm 354: window_destroy_panes(w);
355:
1.141 nicm 356: if (event_initialized(&w->name_event))
357: evtimer_del(&w->name_event);
1.38 nicm 358:
1.143 nicm 359: if (event_initialized(&w->alerts_timer))
360: evtimer_del(&w->alerts_timer);
1.213 nicm 361: if (event_initialized(&w->offset_timer))
362: event_del(&w->offset_timer);
1.143 nicm 363:
1.146 nicm 364: options_free(w->options);
1.1 nicm 365:
1.82 nicm 366: free(w->name);
367: free(w);
1.84 nicm 368: }
369:
1.200 nicm 370: int
371: window_pane_destroy_ready(struct window_pane *wp)
372: {
1.201 nicm 373: int n;
374:
375: if (wp->pipe_fd != -1) {
376: if (EVBUFFER_LENGTH(wp->pipe_event->output) != 0)
377: return (0);
378: if (ioctl(wp->fd, FIONREAD, &n) != -1 && n > 0)
379: return (0);
380: }
1.200 nicm 381:
382: if (~wp->flags & PANE_EXITED)
383: return (0);
384: return (1);
385: }
386:
1.84 nicm 387: void
1.192 nicm 388: window_add_ref(struct window *w, const char *from)
389: {
390: w->references++;
391: log_debug("%s: @%u %s, now %d", __func__, w->id, from, w->references);
392: }
393:
394: void
395: window_remove_ref(struct window *w, const char *from)
1.84 nicm 396: {
397: w->references--;
1.192 nicm 398: log_debug("%s: @%u %s, now %d", __func__, w->id, from, w->references);
399:
1.84 nicm 400: if (w->references == 0)
401: window_destroy(w);
1.72 nicm 402: }
403:
404: void
405: window_set_name(struct window *w, const char *new_name)
406: {
1.82 nicm 407: free(w->name);
1.198 nicm 408: utf8_stravis(&w->name, new_name, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.172 nicm 409: notify_window("window-renamed", w);
1.1 nicm 410: }
411:
1.15 nicm 412: void
1.1 nicm 413: window_resize(struct window *w, u_int sx, u_int sy)
414: {
1.238 nicm 415: log_debug("%s: @%u resize %ux%u", __func__, w->id, sx, sy);
1.1 nicm 416: w->sx = sx;
417: w->sy = sy;
418: }
419:
1.114 nicm 420: int
1.118 nicm 421: window_has_pane(struct window *w, struct window_pane *wp)
422: {
423: struct window_pane *wp1;
424:
425: TAILQ_FOREACH(wp1, &w->panes, entry) {
426: if (wp1 == wp)
427: return (1);
428: }
429: return (0);
430: }
431:
432: int
1.226 nicm 433: window_set_active_pane(struct window *w, struct window_pane *wp, int notify)
1.1 nicm 434: {
1.226 nicm 435: log_debug("%s: pane %%%u", __func__, wp->id);
436:
1.59 nicm 437: if (wp == w->active)
1.114 nicm 438: return (0);
1.58 nicm 439: w->last = w->active;
1.226 nicm 440:
1.1 nicm 441: w->active = wp;
1.109 nicm 442: w->active->active_point = next_active_point++;
1.136 nicm 443: w->active->flags |= PANE_CHANGED;
1.226 nicm 444:
1.213 nicm 445: tty_update_window_offset(w);
1.226 nicm 446:
447: if (notify)
448: notify_window("window-pane-changed", w);
1.114 nicm 449: return (1);
1.145 nicm 450: }
451:
452: void
453: window_redraw_active_switch(struct window *w, struct window_pane *wp)
454: {
1.234 nicm 455: struct style *sy1, *sy2;
456: int c1, c2;
1.145 nicm 457:
458: if (wp == w->active)
459: return;
460:
1.234 nicm 461: for (;;) {
462: /*
463: * If the active and inactive styles or palettes are different,
464: * need to redraw the panes.
465: */
466: sy1 = &wp->cached_style;
467: sy2 = &wp->cached_active_style;
468: if (!style_equal(sy1, sy2))
469: wp->flags |= PANE_REDRAW;
470: else {
471: c1 = window_pane_get_palette(wp, sy1->gc.fg);
472: c2 = window_pane_get_palette(wp, sy2->gc.fg);
473: if (c1 != c2)
474: wp->flags |= PANE_REDRAW;
475: else {
476: c1 = window_pane_get_palette(wp, sy1->gc.bg);
477: c2 = window_pane_get_palette(wp, sy2->gc.bg);
478: if (c1 != c2)
479: wp->flags |= PANE_REDRAW;
480: }
481: }
482: if (wp == w->active)
483: break;
484: wp = w->active;
485: }
1.29 nicm 486: }
487:
1.66 nicm 488: struct window_pane *
489: window_get_active_at(struct window *w, u_int x, u_int y)
1.29 nicm 490: {
491: struct window_pane *wp;
492:
493: TAILQ_FOREACH(wp, &w->panes, entry) {
1.219 nicm 494: if (!window_pane_visible(wp))
495: continue;
1.66 nicm 496: if (x < wp->xoff || x > wp->xoff + wp->sx)
1.29 nicm 497: continue;
1.66 nicm 498: if (y < wp->yoff || y > wp->yoff + wp->sy)
1.29 nicm 499: continue;
1.66 nicm 500: return (wp);
501: }
502: return (NULL);
503: }
504:
505: struct window_pane *
506: window_find_string(struct window *w, const char *s)
507: {
508: u_int x, y;
509:
510: x = w->sx / 2;
511: y = w->sy / 2;
512:
513: if (strcasecmp(s, "top") == 0)
514: y = 0;
515: else if (strcasecmp(s, "bottom") == 0)
516: y = w->sy - 1;
517: else if (strcasecmp(s, "left") == 0)
518: x = 0;
519: else if (strcasecmp(s, "right") == 0)
520: x = w->sx - 1;
521: else if (strcasecmp(s, "top-left") == 0) {
522: x = 0;
523: y = 0;
524: } else if (strcasecmp(s, "top-right") == 0) {
525: x = w->sx - 1;
526: y = 0;
527: } else if (strcasecmp(s, "bottom-left") == 0) {
528: x = 0;
529: y = w->sy - 1;
530: } else if (strcasecmp(s, "bottom-right") == 0) {
531: x = w->sx - 1;
532: y = w->sy - 1;
533: } else
534: return (NULL);
535:
536: return (window_get_active_at(w, x, y));
1.1 nicm 537: }
538:
1.93 nicm 539: int
540: window_zoom(struct window_pane *wp)
541: {
542: struct window *w = wp->window;
543: struct window_pane *wp1;
544:
545: if (w->flags & WINDOW_ZOOMED)
546: return (-1);
547:
1.94 nicm 548: if (window_count_panes(w) == 1)
549: return (-1);
550:
1.93 nicm 551: if (w->active != wp)
1.226 nicm 552: window_set_active_pane(w, wp, 1);
1.93 nicm 553:
554: TAILQ_FOREACH(wp1, &w->panes, entry) {
555: wp1->saved_layout_cell = wp1->layout_cell;
556: wp1->layout_cell = NULL;
557: }
558:
559: w->saved_layout_root = w->layout_root;
560: layout_init(w, wp);
561: w->flags |= WINDOW_ZOOMED;
1.172 nicm 562: notify_window("window-layout-changed", w);
1.93 nicm 563:
564: return (0);
565: }
566:
567: int
568: window_unzoom(struct window *w)
569: {
1.97 nicm 570: struct window_pane *wp;
1.93 nicm 571:
572: if (!(w->flags & WINDOW_ZOOMED))
573: return (-1);
574:
575: w->flags &= ~WINDOW_ZOOMED;
576: layout_free(w);
577: w->layout_root = w->saved_layout_root;
1.120 nicm 578: w->saved_layout_root = NULL;
1.93 nicm 579:
1.97 nicm 580: TAILQ_FOREACH(wp, &w->panes, entry) {
581: wp->layout_cell = wp->saved_layout_cell;
582: wp->saved_layout_cell = NULL;
1.93 nicm 583: }
1.213 nicm 584: layout_fix_panes(w);
1.172 nicm 585: notify_window("window-layout-changed", w);
1.93 nicm 586:
1.241 nicm 587: return (0);
588: }
589:
590: int
591: window_push_zoom(struct window *w, int flag)
592: {
593: log_debug("%s: @%u %d", __func__, w->id,
594: flag && (w->flags & WINDOW_ZOOMED));
595: if (flag && (w->flags & WINDOW_ZOOMED))
596: w->flags |= WINDOW_WASZOOMED;
597: else
598: w->flags &= ~WINDOW_WASZOOMED;
599: return (window_unzoom(w) == 0);
600: }
601:
602: int
603: window_pop_zoom(struct window *w)
604: {
605: log_debug("%s: @%u %d", __func__, w->id,
606: !!(w->flags & WINDOW_WASZOOMED));
607: if (w->flags & WINDOW_WASZOOMED)
608: return (window_zoom(w->active) == 0);
1.93 nicm 609: return (0);
610: }
611:
1.1 nicm 612: struct window_pane *
1.226 nicm 613: window_add_pane(struct window *w, struct window_pane *other, u_int hlimit,
614: int flags)
1.1 nicm 615: {
616: struct window_pane *wp;
617:
1.185 nicm 618: if (other == NULL)
619: other = w->active;
620:
1.14 nicm 621: wp = window_pane_create(w, w->sx, w->sy, hlimit);
1.186 nicm 622: if (TAILQ_EMPTY(&w->panes)) {
623: log_debug("%s: @%u at start", __func__, w->id);
1.1 nicm 624: TAILQ_INSERT_HEAD(&w->panes, wp, entry);
1.226 nicm 625: } else if (flags & SPAWN_BEFORE) {
1.186 nicm 626: log_debug("%s: @%u before %%%u", __func__, w->id, wp->id);
1.226 nicm 627: if (flags & SPAWN_FULLSIZE)
1.208 nicm 628: TAILQ_INSERT_HEAD(&w->panes, wp, entry);
629: else
630: TAILQ_INSERT_BEFORE(other, wp, entry);
1.186 nicm 631: } else {
632: log_debug("%s: @%u after %%%u", __func__, w->id, wp->id);
1.226 nicm 633: if (flags & SPAWN_FULLSIZE)
1.208 nicm 634: TAILQ_INSERT_TAIL(&w->panes, wp, entry);
635: else
636: TAILQ_INSERT_AFTER(&w->panes, other, wp, entry);
1.186 nicm 637: }
1.1 nicm 638: return (wp);
639: }
640:
641: void
1.105 nicm 642: window_lost_pane(struct window *w, struct window_pane *wp)
1.1 nicm 643: {
1.205 nicm 644: log_debug("%s: @%u pane %%%u", __func__, w->id, wp->id);
645:
1.152 nicm 646: if (wp == marked_pane.wp)
1.132 nicm 647: server_clear_marked();
648:
1.57 nicm 649: if (wp == w->active) {
1.58 nicm 650: w->active = w->last;
651: w->last = NULL;
652: if (w->active == NULL) {
653: w->active = TAILQ_PREV(wp, window_panes, entry);
654: if (w->active == NULL)
655: w->active = TAILQ_NEXT(wp, entry);
656: }
1.193 nicm 657: if (w->active != NULL) {
1.151 nicm 658: w->active->flags |= PANE_CHANGED;
1.193 nicm 659: notify_window("window-pane-changed", w);
660: }
1.58 nicm 661: } else if (wp == w->last)
662: w->last = NULL;
1.105 nicm 663: }
664:
665: void
666: window_remove_pane(struct window *w, struct window_pane *wp)
667: {
668: window_lost_pane(w, wp);
1.1 nicm 669:
670: TAILQ_REMOVE(&w->panes, wp, entry);
671: window_pane_destroy(wp);
672: }
673:
674: struct window_pane *
675: window_pane_at_index(struct window *w, u_int idx)
676: {
677: struct window_pane *wp;
678: u_int n;
679:
1.146 nicm 680: n = options_get_number(w->options, "pane-base-index");
1.1 nicm 681: TAILQ_FOREACH(wp, &w->panes, entry) {
682: if (n == idx)
683: return (wp);
684: n++;
685: }
686: return (NULL);
1.53 nicm 687: }
688:
689: struct window_pane *
690: window_pane_next_by_number(struct window *w, struct window_pane *wp, u_int n)
691: {
692: for (; n > 0; n--) {
693: if ((wp = TAILQ_NEXT(wp, entry)) == NULL)
694: wp = TAILQ_FIRST(&w->panes);
695: }
696:
697: return (wp);
698: }
699:
700: struct window_pane *
701: window_pane_previous_by_number(struct window *w, struct window_pane *wp,
702: u_int n)
703: {
704: for (; n > 0; n--) {
705: if ((wp = TAILQ_PREV(wp, window_panes, entry)) == NULL)
706: wp = TAILQ_LAST(&w->panes, window_panes);
707: }
708:
709: return (wp);
1.13 nicm 710: }
711:
1.69 nicm 712: int
713: window_pane_index(struct window_pane *wp, u_int *i)
1.13 nicm 714: {
715: struct window_pane *wq;
1.69 nicm 716: struct window *w = wp->window;
1.13 nicm 717:
1.146 nicm 718: *i = options_get_number(w->options, "pane-base-index");
1.13 nicm 719: TAILQ_FOREACH(wq, &w->panes, entry) {
1.69 nicm 720: if (wp == wq) {
721: return (0);
722: }
723: (*i)++;
1.13 nicm 724: }
1.69 nicm 725:
726: return (-1);
1.1 nicm 727: }
728:
729: u_int
730: window_count_panes(struct window *w)
731: {
732: struct window_pane *wp;
733: u_int n;
734:
735: n = 0;
736: TAILQ_FOREACH(wp, &w->panes, entry)
737: n++;
738: return (n);
739: }
740:
741: void
742: window_destroy_panes(struct window *w)
743: {
744: struct window_pane *wp;
745:
746: while (!TAILQ_EMPTY(&w->panes)) {
747: wp = TAILQ_FIRST(&w->panes);
748: TAILQ_REMOVE(&w->panes, wp, entry);
749: window_pane_destroy(wp);
750: }
1.61 nicm 751: }
752:
1.188 nicm 753: const char *
1.189 nicm 754: window_printable_flags(struct winlink *wl)
1.61 nicm 755: {
1.189 nicm 756: struct session *s = wl->session;
757: static char flags[32];
758: int pos;
1.61 nicm 759:
760: pos = 0;
761: if (wl->flags & WINLINK_ACTIVITY)
762: flags[pos++] = '#';
763: if (wl->flags & WINLINK_BELL)
764: flags[pos++] = '!';
765: if (wl->flags & WINLINK_SILENCE)
766: flags[pos++] = '~';
767: if (wl == s->curw)
768: flags[pos++] = '*';
769: if (wl == TAILQ_FIRST(&s->lastw))
770: flags[pos++] = '-';
1.152 nicm 771: if (server_check_marked() && wl == marked_pane.wl)
1.132 nicm 772: flags[pos++] = 'M';
1.93 nicm 773: if (wl->window->flags & WINDOW_ZOOMED)
774: flags[pos++] = 'Z';
1.61 nicm 775: flags[pos] = '\0';
1.188 nicm 776: return (flags);
1.1 nicm 777: }
778:
1.123 nicm 779: struct window_pane *
780: window_pane_find_by_id_str(const char *s)
781: {
782: const char *errstr;
783: u_int id;
784:
785: if (*s != '%')
786: return (NULL);
787:
788: id = strtonum(s + 1, 0, UINT_MAX, &errstr);
789: if (errstr != NULL)
790: return (NULL);
791: return (window_pane_find_by_id(id));
792: }
793:
1.64 nicm 794: struct window_pane *
795: window_pane_find_by_id(u_int id)
796: {
797: struct window_pane wp;
798:
799: wp.id = id;
800: return (RB_FIND(window_pane_tree, &all_window_panes, &wp));
801: }
802:
1.169 nicm 803: static struct window_pane *
1.1 nicm 804: window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
805: {
806: struct window_pane *wp;
1.140 nicm 807: char host[HOST_NAME_MAX + 1];
1.1 nicm 808:
809: wp = xcalloc(1, sizeof *wp);
810: wp->window = w;
1.234 nicm 811: wp->options = options_create(w->options);
812: wp->flags = PANE_STYLECHANGED;
1.1 nicm 813:
1.71 nicm 814: wp->id = next_window_pane_id++;
1.64 nicm 815: RB_INSERT(window_pane_tree, &all_window_panes, wp);
816:
1.110 nicm 817: wp->argc = 0;
818: wp->argv = NULL;
1.23 nicm 819: wp->shell = NULL;
1.147 nicm 820: wp->cwd = NULL;
1.1 nicm 821:
822: wp->fd = -1;
1.37 nicm 823: wp->event = NULL;
1.1 nicm 824:
1.218 nicm 825: TAILQ_INIT(&wp->modes);
1.14 nicm 826:
827: wp->layout_cell = NULL;
1.1 nicm 828:
829: wp->xoff = 0;
1.42 nicm 830: wp->yoff = 0;
1.1 nicm 831:
1.197 nicm 832: wp->sx = wp->osx = sx;
833: wp->sy = wp->osx = sy;
1.1 nicm 834:
1.32 nicm 835: wp->pipe_fd = -1;
836: wp->pipe_off = 0;
1.36 nicm 837: wp->pipe_event = NULL;
1.32 nicm 838:
1.9 nicm 839: wp->saved_grid = NULL;
1.231 nicm 840: wp->saved_cx = UINT_MAX;
841: wp->saved_cy = UINT_MAX;
1.117 nicm 842:
1.1 nicm 843: screen_init(&wp->base, sx, sy, hlimit);
844: wp->screen = &wp->base;
1.159 nicm 845:
846: screen_init(&wp->status_screen, 1, 1, 0);
1.140 nicm 847:
848: if (gethostname(host, sizeof host) == 0)
849: screen_set_title(&wp->base, host);
1.1 nicm 850:
851: input_init(wp);
852:
853: return (wp);
854: }
855:
1.169 nicm 856: static void
1.1 nicm 857: window_pane_destroy(struct window_pane *wp)
858: {
1.218 nicm 859: window_pane_reset_mode_all(wp);
1.194 nicm 860: free(wp->searchstr);
1.55 nicm 861:
1.37 nicm 862: if (wp->fd != -1) {
1.70 nicm 863: bufferevent_free(wp->event);
1.1 nicm 864: close(wp->fd);
1.37 nicm 865: }
1.1 nicm 866:
867: input_free(wp);
1.225 nicm 868:
869: screen_free(&wp->status_screen);
1.1 nicm 870:
871: screen_free(&wp->base);
1.9 nicm 872: if (wp->saved_grid != NULL)
873: grid_destroy(wp->saved_grid);
1.1 nicm 874:
1.32 nicm 875: if (wp->pipe_fd != -1) {
1.70 nicm 876: bufferevent_free(wp->pipe_event);
1.32 nicm 877: close(wp->pipe_fd);
878: }
1.167 nicm 879:
880: if (event_initialized(&wp->resize_timer))
881: event_del(&wp->resize_timer);
1.32 nicm 882:
1.64 nicm 883: RB_REMOVE(window_pane_tree, &all_window_panes, wp);
884:
1.234 nicm 885: options_free(wp->options);
1.147 nicm 886: free((void *)wp->cwd);
1.82 nicm 887: free(wp->shell);
1.110 nicm 888: cmd_free_argv(wp->argc, wp->argv);
1.177 nicm 889: free(wp->palette);
1.82 nicm 890: free(wp);
1.1 nicm 891: }
892:
1.166 nicm 893: static void
1.149 nicm 894: window_pane_read_callback(__unused struct bufferevent *bufev, void *data)
1.37 nicm 895: {
1.131 nicm 896: struct window_pane *wp = data;
897: struct evbuffer *evb = wp->event->input;
1.166 nicm 898: size_t size = EVBUFFER_LENGTH(evb);
1.131 nicm 899: char *new_data;
1.158 nicm 900: size_t new_size;
1.131 nicm 901:
1.166 nicm 902: new_size = size - wp->pipe_off;
1.46 nicm 903: if (wp->pipe_fd != -1 && new_size > 0) {
1.155 nicm 904: new_data = EVBUFFER_DATA(evb) + wp->pipe_off;
1.46 nicm 905: bufferevent_write(wp->pipe_event, new_data, new_size);
906: }
907:
1.183 nicm 908: log_debug("%%%u has %zu bytes", wp->id, size);
1.46 nicm 909: input_parse(wp);
1.37 nicm 910:
1.173 nicm 911: wp->pipe_off = EVBUFFER_LENGTH(evb);
1.37 nicm 912: }
913:
1.166 nicm 914: static void
1.149 nicm 915: window_pane_error_callback(__unused struct bufferevent *bufev,
916: __unused short what, void *data)
1.37 nicm 917: {
918: struct window_pane *wp = data;
919:
1.200 nicm 920: log_debug("%%%u error", wp->id);
1.201 nicm 921: wp->flags |= PANE_EXITED;
1.200 nicm 922:
923: if (window_pane_destroy_ready(wp))
924: server_destroy_pane(wp, 1);
1.37 nicm 925: }
926:
927: void
1.226 nicm 928: window_pane_set_event(struct window_pane *wp)
929: {
930: setblocking(wp->fd, 0);
931:
932: wp->event = bufferevent_new(wp->fd, window_pane_read_callback,
933: NULL, window_pane_error_callback, wp);
934:
935: bufferevent_setwatermark(wp->event, EV_READ, 0, READ_SIZE);
936: bufferevent_enable(wp->event, EV_READ|EV_WRITE);
937: }
938:
939: void
1.1 nicm 940: window_pane_resize(struct window_pane *wp, u_int sx, u_int sy)
941: {
1.218 nicm 942: struct window_mode_entry *wme;
943:
1.1 nicm 944: if (sx == wp->sx && sy == wp->sy)
1.15 nicm 945: return;
1.1 nicm 946: wp->sx = sx;
947: wp->sy = sy;
948:
1.238 nicm 949: log_debug("%s: %%%u resize %ux%u", __func__, wp->id, sx, sy);
1.89 nicm 950: screen_resize(&wp->base, sx, sy, wp->saved_grid == NULL);
1.218 nicm 951:
952: wme = TAILQ_FIRST(&wp->modes);
953: if (wme != NULL && wme->mode->resize != NULL)
954: wme->mode->resize(wme, sx, sy);
1.95 nicm 955:
1.242 ! nicm 956: wp->flags |= (PANE_RESIZE|PANE_RESIZED);
1.44 nicm 957: }
958:
959: /*
960: * Enter alternative screen mode. A copy of the visible screen is saved and the
961: * history is not updated
962: */
963: void
1.87 nicm 964: window_pane_alternate_on(struct window_pane *wp, struct grid_cell *gc,
965: int cursor)
1.44 nicm 966: {
967: struct screen *s = &wp->base;
968: u_int sx, sy;
969:
970: if (wp->saved_grid != NULL)
971: return;
1.235 nicm 972: if (!options_get_number(wp->options, "alternate-screen"))
1.44 nicm 973: return;
974: sx = screen_size_x(s);
975: sy = screen_size_y(s);
976:
977: wp->saved_grid = grid_create(sx, sy, 0);
978: grid_duplicate_lines(wp->saved_grid, 0, s->grid, screen_hsize(s), sy);
1.87 nicm 979: if (cursor) {
980: wp->saved_cx = s->cx;
981: wp->saved_cy = s->cy;
982: }
1.44 nicm 983: memcpy(&wp->saved_cell, gc, sizeof wp->saved_cell);
984:
1.170 nicm 985: grid_view_clear(s->grid, 0, 0, sx, sy, 8);
1.44 nicm 986:
987: wp->base.grid->flags &= ~GRID_HISTORY;
988:
989: wp->flags |= PANE_REDRAW;
990: }
991:
992: /* Exit alternate screen mode and restore the copied grid. */
993: void
1.87 nicm 994: window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc,
995: int cursor)
1.44 nicm 996: {
997: struct screen *s = &wp->base;
998: u_int sx, sy;
999:
1.235 nicm 1000: if (!options_get_number(wp->options, "alternate-screen"))
1.231 nicm 1001: return;
1002:
1003: /*
1004: * Restore the cursor position and cell. This happens even if not
1005: * currently in the alternate screen.
1006: */
1007: if (cursor && wp->saved_cx != UINT_MAX && wp->saved_cy != UINT_MAX) {
1008: s->cx = wp->saved_cx;
1009: if (s->cx > screen_size_x(s) - 1)
1010: s->cx = screen_size_x(s) - 1;
1011: s->cy = wp->saved_cy;
1012: if (s->cy > screen_size_y(s) - 1)
1013: s->cy = screen_size_y(s) - 1;
1014: memcpy(gc, &wp->saved_cell, sizeof *gc);
1015: }
1016:
1.44 nicm 1017: if (wp->saved_grid == NULL)
1018: return;
1019: sx = screen_size_x(s);
1020: sy = screen_size_y(s);
1021:
1022: /*
1023: * If the current size is bigger, temporarily resize to the old size
1024: * before copying back.
1025: */
1026: if (sy > wp->saved_grid->sy)
1.89 nicm 1027: screen_resize(s, sx, wp->saved_grid->sy, 1);
1.44 nicm 1028:
1.231 nicm 1029: /* Restore the saved grid. */
1.44 nicm 1030: grid_duplicate_lines(s->grid, screen_hsize(s), wp->saved_grid, 0, sy);
1031:
1032: /*
1033: * Turn history back on (so resize can use it) and then resize back to
1034: * the current size.
1035: */
1036: wp->base.grid->flags |= GRID_HISTORY;
1.89 nicm 1037: if (sy > wp->saved_grid->sy || sx != wp->saved_grid->sx)
1038: screen_resize(s, sx, sy, 1);
1.44 nicm 1039:
1040: grid_destroy(wp->saved_grid);
1041: wp->saved_grid = NULL;
1042:
1.177 nicm 1043: wp->flags |= PANE_REDRAW;
1044: }
1045:
1046: void
1047: window_pane_set_palette(struct window_pane *wp, u_int n, int colour)
1048: {
1049: if (n > 0xff)
1050: return;
1051:
1052: if (wp->palette == NULL)
1053: wp->palette = xcalloc(0x100, sizeof *wp->palette);
1054:
1055: wp->palette[n] = colour;
1056: wp->flags |= PANE_REDRAW;
1057: }
1058:
1059: void
1060: window_pane_unset_palette(struct window_pane *wp, u_int n)
1061: {
1062: if (n > 0xff || wp->palette == NULL)
1063: return;
1064:
1065: wp->palette[n] = 0;
1066: wp->flags |= PANE_REDRAW;
1067: }
1068:
1069: void
1070: window_pane_reset_palette(struct window_pane *wp)
1071: {
1072: if (wp->palette == NULL)
1073: return;
1074:
1075: free(wp->palette);
1076: wp->palette = NULL;
1.44 nicm 1077: wp->flags |= PANE_REDRAW;
1.1 nicm 1078: }
1079:
1.180 nicm 1080: int
1.220 nicm 1081: window_pane_get_palette(struct window_pane *wp, int c)
1.180 nicm 1082: {
1083: int new;
1084:
1085: if (wp == NULL || wp->palette == NULL)
1086: return (-1);
1087:
1088: new = -1;
1089: if (c < 8)
1090: new = wp->palette[c];
1091: else if (c >= 90 && c <= 97)
1092: new = wp->palette[8 + c - 90];
1093: else if (c & COLOUR_FLAG_256)
1094: new = wp->palette[c & ~COLOUR_FLAG_256];
1095: if (new == 0)
1096: return (-1);
1097: return (new);
1098: }
1099:
1.162 nicm 1100: static void
1101: window_pane_mode_timer(__unused int fd, __unused short events, void *arg)
1102: {
1103: struct window_pane *wp = arg;
1104: struct timeval tv = { .tv_sec = 10 };
1105: int n = 0;
1106:
1107: evtimer_del(&wp->modetimer);
1108: evtimer_add(&wp->modetimer, &tv);
1109:
1110: log_debug("%%%u in mode: last=%ld", wp->id, (long)wp->modelast);
1111:
1112: if (wp->modelast < time(NULL) - WINDOW_MODE_TIMEOUT) {
1113: if (ioctl(wp->fd, FIONREAD, &n) == -1 || n > 0)
1.218 nicm 1114: window_pane_reset_mode_all(wp);
1.162 nicm 1115: }
1116: }
1117:
1.1 nicm 1118: int
1.196 nicm 1119: window_pane_set_mode(struct window_pane *wp, const struct window_mode *mode,
1120: struct cmd_find_state *fs, struct args *args)
1.1 nicm 1121: {
1.218 nicm 1122: struct timeval tv = { .tv_sec = 10 };
1123: struct window_mode_entry *wme;
1.1 nicm 1124:
1.218 nicm 1125: if (!TAILQ_EMPTY(&wp->modes) && TAILQ_FIRST(&wp->modes)->mode == mode)
1.1 nicm 1126: return (1);
1.217 nicm 1127:
1.162 nicm 1128: wp->modelast = time(NULL);
1.218 nicm 1129: if (TAILQ_EMPTY(&wp->modes)) {
1130: evtimer_set(&wp->modetimer, window_pane_mode_timer, wp);
1131: evtimer_add(&wp->modetimer, &tv);
1132: }
1133:
1134: TAILQ_FOREACH(wme, &wp->modes, entry) {
1135: if (wme->mode == mode)
1136: break;
1137: }
1.223 nicm 1138: if (wme != NULL) {
1.218 nicm 1139: TAILQ_REMOVE(&wp->modes, wme, entry);
1.223 nicm 1140: TAILQ_INSERT_HEAD(&wp->modes, wme, entry);
1141: } else {
1.218 nicm 1142: wme = xcalloc(1, sizeof *wme);
1143: wme->wp = wp;
1144: wme->mode = mode;
1145: wme->prefix = 1;
1.223 nicm 1146: TAILQ_INSERT_HEAD(&wp->modes, wme, entry);
1.218 nicm 1147: wme->screen = wme->mode->init(wme, fs, args);
1148: }
1.162 nicm 1149:
1.218 nicm 1150: wp->screen = wme->screen;
1.142 nicm 1151: wp->flags |= (PANE_REDRAW|PANE_CHANGED);
1.157 nicm 1152:
1153: server_status_window(wp->window);
1.193 nicm 1154: notify_pane("pane-mode-changed", wp);
1.218 nicm 1155:
1.1 nicm 1156: return (0);
1157: }
1158:
1159: void
1160: window_pane_reset_mode(struct window_pane *wp)
1161: {
1.218 nicm 1162: struct window_mode_entry *wme, *next;
1163:
1164: if (TAILQ_EMPTY(&wp->modes))
1.1 nicm 1165: return;
1166:
1.218 nicm 1167: wme = TAILQ_FIRST(&wp->modes);
1168: TAILQ_REMOVE(&wp->modes, wme, entry);
1169: wme->mode->free(wme);
1170: free(wme);
1171:
1172: next = TAILQ_FIRST(&wp->modes);
1173: if (next == NULL) {
1174: log_debug("%s: no next mode", __func__);
1175: evtimer_del(&wp->modetimer);
1176: wp->screen = &wp->base;
1177: } else {
1178: log_debug("%s: next mode is %s", __func__, next->mode->name);
1179: wp->screen = next->screen;
1.230 nicm 1180: if (next->mode->resize != NULL)
1.218 nicm 1181: next->mode->resize(next, wp->sx, wp->sy);
1182: }
1.142 nicm 1183: wp->flags |= (PANE_REDRAW|PANE_CHANGED);
1.157 nicm 1184:
1185: server_status_window(wp->window);
1.193 nicm 1186: notify_pane("pane-mode-changed", wp);
1.1 nicm 1187: }
1188:
1189: void
1.218 nicm 1190: window_pane_reset_mode_all(struct window_pane *wp)
1191: {
1192: while (!TAILQ_EMPTY(&wp->modes))
1193: window_pane_reset_mode(wp);
1194: }
1195:
1196: void
1.118 nicm 1197: window_pane_key(struct window_pane *wp, struct client *c, struct session *s,
1.216 nicm 1198: struct winlink *wl, key_code key, struct mouse_event *m)
1.1 nicm 1199: {
1.218 nicm 1200: struct window_mode_entry *wme;
1.217 nicm 1201: struct window_pane *wp2;
1.3 nicm 1202:
1.118 nicm 1203: if (KEYC_IS_MOUSE(key) && m == NULL)
1204: return;
1205:
1.218 nicm 1206: wme = TAILQ_FIRST(&wp->modes);
1.217 nicm 1207: if (wme != NULL) {
1.162 nicm 1208: wp->modelast = time(NULL);
1.217 nicm 1209: if (wme->mode->key != NULL)
1210: wme->mode->key(wme, c, s, wl, (key & ~KEYC_XTERM), m);
1.27 nicm 1211: return;
1.30 nicm 1212: }
1.27 nicm 1213:
1.113 nicm 1214: if (wp->fd == -1 || wp->flags & PANE_INPUTOFF)
1.30 nicm 1215: return;
1.113 nicm 1216:
1.118 nicm 1217: input_key(wp, key, m);
1218:
1219: if (KEYC_IS_MOUSE(key))
1220: return;
1.146 nicm 1221: if (options_get_number(wp->window->options, "synchronize-panes")) {
1.27 nicm 1222: TAILQ_FOREACH(wp2, &wp->window->panes, entry) {
1.213 nicm 1223: if (wp2 != wp &&
1.218 nicm 1224: TAILQ_EMPTY(&wp2->modes) &&
1.213 nicm 1225: wp2->fd != -1 &&
1226: (~wp2->flags & PANE_INPUTOFF) &&
1227: window_pane_visible(wp2))
1.118 nicm 1228: input_key(wp2, key, NULL);
1.27 nicm 1229: }
1230: }
1.10 nicm 1231: }
1232:
1233: int
1.205 nicm 1234: window_pane_visible(struct window_pane *wp)
1.10 nicm 1235: {
1.213 nicm 1236: if (~wp->window->flags & WINDOW_ZOOMED)
1237: return (1);
1238: return (wp == wp->window->active);
1.1 nicm 1239: }
1240:
1.195 nicm 1241: u_int
1.232 nicm 1242: window_pane_search(struct window_pane *wp, const char *term, int regex,
1243: int ignore)
1.195 nicm 1244: {
1245: struct screen *s = &wp->base;
1.232 nicm 1246: regex_t r;
1247: char *new = NULL, *line;
1.195 nicm 1248: u_int i;
1.232 nicm 1249: int flags = 0, found;
1.236 nicm 1250: size_t n;
1.195 nicm 1251:
1.232 nicm 1252: if (!regex) {
1253: if (ignore)
1254: flags |= FNM_CASEFOLD;
1255: xasprintf(&new, "*%s*", term);
1256: } else {
1257: if (ignore)
1258: flags |= REG_ICASE;
1259: if (regcomp(&r, term, flags|REG_EXTENDED) != 0)
1260: return (0);
1261: }
1.195 nicm 1262:
1263: for (i = 0; i < screen_size_y(s); i++) {
1264: line = grid_view_string_cells(s->grid, 0, i, screen_size_x(s));
1.236 nicm 1265: for (n = strlen(line); n > 0; n--) {
1266: if (!isspace((u_char)line[n - 1]))
1267: break;
1268: line[n - 1] = '\0';
1269: }
1270: log_debug("%s: %s", __func__, line);
1.232 nicm 1271: if (!regex)
1272: found = (fnmatch(new, line, 0) == 0);
1273: else
1274: found = (regexec(&r, line, 0, NULL, 0) == 0);
1275: free(line);
1276: if (found)
1.195 nicm 1277: break;
1278: }
1.232 nicm 1279: if (!regex)
1280: free(new);
1281: else
1282: regfree(&r);
1.195 nicm 1283:
1284: if (i == screen_size_y(s))
1285: return (0);
1286: return (i + 1);
1.45 nicm 1287: }
1288:
1.109 nicm 1289: /* Get MRU pane from a list. */
1.166 nicm 1290: static struct window_pane *
1.126 nicm 1291: window_pane_choose_best(struct window_pane **list, u_int size)
1.109 nicm 1292: {
1293: struct window_pane *next, *best;
1294: u_int i;
1295:
1.126 nicm 1296: if (size == 0)
1.109 nicm 1297: return (NULL);
1298:
1.126 nicm 1299: best = list[0];
1300: for (i = 1; i < size; i++) {
1301: next = list[i];
1.109 nicm 1302: if (next->active_point > best->active_point)
1303: best = next;
1304: }
1305: return (best);
1306: }
1307:
1308: /*
1309: * Find the pane directly above another. We build a list of those adjacent to
1310: * top edge and then choose the best.
1311: */
1.45 nicm 1312: struct window_pane *
1313: window_pane_find_up(struct window_pane *wp)
1314: {
1.237 nicm 1315: struct window *w;
1.126 nicm 1316: struct window_pane *next, *best, **list;
1317: u_int edge, left, right, end, size;
1.187 nicm 1318: int status, found;
1.45 nicm 1319:
1.213 nicm 1320: if (wp == NULL)
1.45 nicm 1321: return (NULL);
1.237 nicm 1322: w = wp->window;
1323: status = options_get_number(w->options, "pane-border-status");
1.126 nicm 1324:
1325: list = NULL;
1326: size = 0;
1.109 nicm 1327:
1328: edge = wp->yoff;
1.237 nicm 1329: if (status == PANE_STATUS_TOP) {
1330: if (edge == 1)
1331: edge = w->sy + 1;
1332: } else if (status == PANE_STATUS_BOTTOM) {
1333: if (edge == 0)
1334: edge = w->sy;
1335: } else {
1336: if (edge == 0)
1337: edge = w->sy + 1;
1338: }
1.45 nicm 1339:
1340: left = wp->xoff;
1.109 nicm 1341: right = wp->xoff + wp->sx;
1.45 nicm 1342:
1.237 nicm 1343: TAILQ_FOREACH(next, &w->panes, entry) {
1.213 nicm 1344: if (next == wp)
1.45 nicm 1345: continue;
1.109 nicm 1346: if (next->yoff + next->sy + 1 != edge)
1.45 nicm 1347: continue;
1.109 nicm 1348: end = next->xoff + next->sx - 1;
1349:
1350: found = 0;
1351: if (next->xoff < left && end > right)
1352: found = 1;
1353: else if (next->xoff >= left && next->xoff <= right)
1354: found = 1;
1355: else if (end >= left && end <= right)
1356: found = 1;
1.126 nicm 1357: if (!found)
1358: continue;
1359: list = xreallocarray(list, size + 1, sizeof *list);
1360: list[size++] = next;
1.109 nicm 1361: }
1362:
1.126 nicm 1363: best = window_pane_choose_best(list, size);
1364: free(list);
1.109 nicm 1365: return (best);
1.45 nicm 1366: }
1367:
1368: /* Find the pane directly below another. */
1369: struct window_pane *
1370: window_pane_find_down(struct window_pane *wp)
1371: {
1.237 nicm 1372: struct window *w;
1.126 nicm 1373: struct window_pane *next, *best, **list;
1374: u_int edge, left, right, end, size;
1.187 nicm 1375: int status, found;
1.45 nicm 1376:
1.213 nicm 1377: if (wp == NULL)
1.45 nicm 1378: return (NULL);
1.237 nicm 1379: w = wp->window;
1380: status = options_get_number(w->options, "pane-border-status");
1.126 nicm 1381:
1382: list = NULL;
1383: size = 0;
1.109 nicm 1384:
1385: edge = wp->yoff + wp->sy + 1;
1.237 nicm 1386: if (status == PANE_STATUS_TOP) {
1387: if (edge >= w->sy)
1388: edge = 1;
1389: } else if (status == PANE_STATUS_BOTTOM) {
1390: if (edge >= w->sy - 1)
1391: edge = 0;
1392: } else {
1.239 nicm 1393: if (edge >= w->sy)
1.237 nicm 1394: edge = 0;
1395: }
1.45 nicm 1396:
1397: left = wp->xoff;
1.109 nicm 1398: right = wp->xoff + wp->sx;
1.45 nicm 1399:
1.237 nicm 1400: TAILQ_FOREACH(next, &w->panes, entry) {
1.213 nicm 1401: if (next == wp)
1.45 nicm 1402: continue;
1.109 nicm 1403: if (next->yoff != edge)
1.45 nicm 1404: continue;
1.109 nicm 1405: end = next->xoff + next->sx - 1;
1406:
1407: found = 0;
1408: if (next->xoff < left && end > right)
1409: found = 1;
1410: else if (next->xoff >= left && next->xoff <= right)
1411: found = 1;
1412: else if (end >= left && end <= right)
1413: found = 1;
1.126 nicm 1414: if (!found)
1415: continue;
1416: list = xreallocarray(list, size + 1, sizeof *list);
1417: list[size++] = next;
1.45 nicm 1418: }
1.109 nicm 1419:
1.126 nicm 1420: best = window_pane_choose_best(list, size);
1421: free(list);
1.109 nicm 1422: return (best);
1.45 nicm 1423: }
1424:
1.109 nicm 1425: /* Find the pane directly to the left of another. */
1.45 nicm 1426: struct window_pane *
1427: window_pane_find_left(struct window_pane *wp)
1428: {
1.237 nicm 1429: struct window *w;
1.126 nicm 1430: struct window_pane *next, *best, **list;
1431: u_int edge, top, bottom, end, size;
1.109 nicm 1432: int found;
1.45 nicm 1433:
1.213 nicm 1434: if (wp == NULL)
1.45 nicm 1435: return (NULL);
1.237 nicm 1436: w = wp->window;
1.126 nicm 1437:
1438: list = NULL;
1439: size = 0;
1.109 nicm 1440:
1441: edge = wp->xoff;
1442: if (edge == 0)
1.237 nicm 1443: edge = w->sx + 1;
1.45 nicm 1444:
1445: top = wp->yoff;
1.109 nicm 1446: bottom = wp->yoff + wp->sy;
1.45 nicm 1447:
1.237 nicm 1448: TAILQ_FOREACH(next, &w->panes, entry) {
1.213 nicm 1449: if (next == wp)
1.45 nicm 1450: continue;
1.109 nicm 1451: if (next->xoff + next->sx + 1 != edge)
1.45 nicm 1452: continue;
1.109 nicm 1453: end = next->yoff + next->sy - 1;
1454:
1455: found = 0;
1456: if (next->yoff < top && end > bottom)
1457: found = 1;
1458: else if (next->yoff >= top && next->yoff <= bottom)
1459: found = 1;
1460: else if (end >= top && end <= bottom)
1461: found = 1;
1.126 nicm 1462: if (!found)
1463: continue;
1464: list = xreallocarray(list, size + 1, sizeof *list);
1465: list[size++] = next;
1.45 nicm 1466: }
1.109 nicm 1467:
1.126 nicm 1468: best = window_pane_choose_best(list, size);
1469: free(list);
1.109 nicm 1470: return (best);
1.45 nicm 1471: }
1472:
1.109 nicm 1473: /* Find the pane directly to the right of another. */
1.45 nicm 1474: struct window_pane *
1475: window_pane_find_right(struct window_pane *wp)
1476: {
1.237 nicm 1477: struct window *w;
1.126 nicm 1478: struct window_pane *next, *best, **list;
1479: u_int edge, top, bottom, end, size;
1.109 nicm 1480: int found;
1.45 nicm 1481:
1.213 nicm 1482: if (wp == NULL)
1.45 nicm 1483: return (NULL);
1.237 nicm 1484: w = wp->window;
1.126 nicm 1485:
1486: list = NULL;
1487: size = 0;
1.109 nicm 1488:
1489: edge = wp->xoff + wp->sx + 1;
1.237 nicm 1490: if (edge >= w->sx)
1.109 nicm 1491: edge = 0;
1.45 nicm 1492:
1493: top = wp->yoff;
1.109 nicm 1494: bottom = wp->yoff + wp->sy;
1.45 nicm 1495:
1.237 nicm 1496: TAILQ_FOREACH(next, &w->panes, entry) {
1.213 nicm 1497: if (next == wp)
1.45 nicm 1498: continue;
1.109 nicm 1499: if (next->xoff != edge)
1.45 nicm 1500: continue;
1.109 nicm 1501: end = next->yoff + next->sy - 1;
1502:
1503: found = 0;
1504: if (next->yoff < top && end > bottom)
1505: found = 1;
1506: else if (next->yoff >= top && next->yoff <= bottom)
1507: found = 1;
1508: else if (end >= top && end <= bottom)
1509: found = 1;
1.126 nicm 1510: if (!found)
1511: continue;
1512: list = xreallocarray(list, size + 1, sizeof *list);
1513: list[size++] = next;
1.109 nicm 1514: }
1515:
1.126 nicm 1516: best = window_pane_choose_best(list, size);
1517: free(list);
1.109 nicm 1518: return (best);
1.81 nicm 1519: }
1520:
1521: /* Clear alert flags for a winlink */
1522: void
1523: winlink_clear_flags(struct winlink *wl)
1524: {
1.174 nicm 1525: struct winlink *loop;
1.81 nicm 1526:
1.174 nicm 1527: wl->window->flags &= ~WINDOW_ALERTFLAGS;
1528: TAILQ_FOREACH(loop, &wl->window->winlinks, wentry) {
1529: if ((loop->flags & WINLINK_ALERTFLAGS) != 0) {
1530: loop->flags &= ~WINLINK_ALERTFLAGS;
1531: server_status_session(loop->session);
1.81 nicm 1532: }
1533: }
1.134 nicm 1534: }
1535:
1.184 nicm 1536: /* Shuffle window indexes up. */
1.134 nicm 1537: int
1538: winlink_shuffle_up(struct session *s, struct winlink *wl)
1539: {
1540: int idx, last;
1541:
1.226 nicm 1542: if (wl == NULL)
1543: return (-1);
1.134 nicm 1544: idx = wl->idx + 1;
1545:
1546: /* Find the next free index. */
1547: for (last = idx; last < INT_MAX; last++) {
1548: if (winlink_find_by_index(&s->windows, last) == NULL)
1549: break;
1550: }
1551: if (last == INT_MAX)
1552: return (-1);
1553:
1554: /* Move everything from last - 1 to idx up a bit. */
1555: for (; last > idx; last--) {
1556: wl = winlink_find_by_index(&s->windows, last - 1);
1557: server_link_window(s, wl, s, last, 0, 0, NULL);
1558: server_unlink_window(s, wl);
1559: }
1560:
1561: return (idx);
1.228 nicm 1562: }
1563:
1564: static void
1565: window_pane_input_callback(struct client *c, int closed, void *data)
1566: {
1567: struct window_pane_input_data *cdata = data;
1568: struct window_pane *wp;
1.229 nicm 1569: struct evbuffer *evb = c->stdin_data;
1570: u_char *buf = EVBUFFER_DATA(evb);
1571: size_t len = EVBUFFER_LENGTH(evb);
1.228 nicm 1572:
1573: wp = window_pane_find_by_id(cdata->wp);
1574: if (wp == NULL || closed || c->flags & CLIENT_DEAD) {
1575: c->stdin_callback = NULL;
1576: server_client_unref(c);
1577:
1.233 nicm 1578: cmdq_continue(cdata->item);
1.228 nicm 1579: free(cdata);
1580:
1581: return;
1582: }
1583:
1.229 nicm 1584: input_parse_buffer(wp, buf, len);
1585: evbuffer_drain(evb, len);
1.228 nicm 1586: }
1587:
1588: int
1589: window_pane_start_input(struct window_pane *wp, struct cmdq_item *item,
1590: char **cause)
1591: {
1592: struct client *c = item->client;
1593: struct window_pane_input_data *cdata;
1594:
1595: if (~wp->flags & PANE_EMPTY) {
1596: *cause = xstrdup("pane is not empty");
1597: return (-1);
1598: }
1599:
1600: cdata = xmalloc(sizeof *cdata);
1601: cdata->item = item;
1602: cdata->wp = wp->id;
1603:
1604: return (server_set_stdin_callback(c, window_pane_input_callback, cdata,
1605: cause));
1.1 nicm 1606: }
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