1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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: #include <sys/time.h>
21:
22: #include <fnmatch.h>
23: #include <pwd.h>
24: #include <stdlib.h>
25: #include <string.h>
26: #include <unistd.h>
27:
28: #include "tmux.h"
29:
30: extern const struct cmd_entry cmd_attach_session_entry;
31: extern const struct cmd_entry cmd_bind_key_entry;
32: extern const struct cmd_entry cmd_break_pane_entry;
33: extern const struct cmd_entry cmd_capture_pane_entry;
34: extern const struct cmd_entry cmd_choose_buffer_entry;
35: extern const struct cmd_entry cmd_choose_client_entry;
36: extern const struct cmd_entry cmd_choose_session_entry;
37: extern const struct cmd_entry cmd_choose_tree_entry;
38: extern const struct cmd_entry cmd_choose_window_entry;
39: extern const struct cmd_entry cmd_clear_history_entry;
40: extern const struct cmd_entry cmd_clock_mode_entry;
41: extern const struct cmd_entry cmd_command_prompt_entry;
42: extern const struct cmd_entry cmd_confirm_before_entry;
43: extern const struct cmd_entry cmd_copy_mode_entry;
44: extern const struct cmd_entry cmd_delete_buffer_entry;
45: extern const struct cmd_entry cmd_detach_client_entry;
46: extern const struct cmd_entry cmd_display_message_entry;
47: extern const struct cmd_entry cmd_display_panes_entry;
48: extern const struct cmd_entry cmd_down_pane_entry;
49: extern const struct cmd_entry cmd_find_window_entry;
50: extern const struct cmd_entry cmd_has_session_entry;
51: extern const struct cmd_entry cmd_if_shell_entry;
52: extern const struct cmd_entry cmd_join_pane_entry;
53: extern const struct cmd_entry cmd_kill_pane_entry;
54: extern const struct cmd_entry cmd_kill_server_entry;
55: extern const struct cmd_entry cmd_kill_session_entry;
56: extern const struct cmd_entry cmd_kill_window_entry;
57: extern const struct cmd_entry cmd_last_pane_entry;
58: extern const struct cmd_entry cmd_last_window_entry;
59: extern const struct cmd_entry cmd_link_window_entry;
60: extern const struct cmd_entry cmd_list_buffers_entry;
61: extern const struct cmd_entry cmd_list_clients_entry;
62: extern const struct cmd_entry cmd_list_commands_entry;
63: extern const struct cmd_entry cmd_list_keys_entry;
64: extern const struct cmd_entry cmd_list_panes_entry;
65: extern const struct cmd_entry cmd_list_sessions_entry;
66: extern const struct cmd_entry cmd_list_windows_entry;
67: extern const struct cmd_entry cmd_load_buffer_entry;
68: extern const struct cmd_entry cmd_lock_client_entry;
69: extern const struct cmd_entry cmd_lock_server_entry;
70: extern const struct cmd_entry cmd_lock_session_entry;
71: extern const struct cmd_entry cmd_move_pane_entry;
72: extern const struct cmd_entry cmd_move_window_entry;
73: extern const struct cmd_entry cmd_new_session_entry;
74: extern const struct cmd_entry cmd_new_window_entry;
75: extern const struct cmd_entry cmd_next_layout_entry;
76: extern const struct cmd_entry cmd_next_window_entry;
77: extern const struct cmd_entry cmd_paste_buffer_entry;
78: extern const struct cmd_entry cmd_pipe_pane_entry;
79: extern const struct cmd_entry cmd_previous_layout_entry;
80: extern const struct cmd_entry cmd_previous_window_entry;
81: extern const struct cmd_entry cmd_refresh_client_entry;
82: extern const struct cmd_entry cmd_rename_session_entry;
83: extern const struct cmd_entry cmd_rename_window_entry;
84: extern const struct cmd_entry cmd_resize_pane_entry;
85: extern const struct cmd_entry cmd_respawn_pane_entry;
86: extern const struct cmd_entry cmd_respawn_window_entry;
87: extern const struct cmd_entry cmd_rotate_window_entry;
88: extern const struct cmd_entry cmd_run_shell_entry;
89: extern const struct cmd_entry cmd_save_buffer_entry;
90: extern const struct cmd_entry cmd_select_layout_entry;
91: extern const struct cmd_entry cmd_select_pane_entry;
92: extern const struct cmd_entry cmd_select_window_entry;
93: extern const struct cmd_entry cmd_send_keys_entry;
94: extern const struct cmd_entry cmd_send_prefix_entry;
95: extern const struct cmd_entry cmd_set_buffer_entry;
96: extern const struct cmd_entry cmd_set_environment_entry;
97: extern const struct cmd_entry cmd_set_hook_entry;
98: extern const struct cmd_entry cmd_set_option_entry;
99: extern const struct cmd_entry cmd_set_window_option_entry;
100: extern const struct cmd_entry cmd_show_buffer_entry;
101: extern const struct cmd_entry cmd_show_environment_entry;
102: extern const struct cmd_entry cmd_show_hooks_entry;
103: extern const struct cmd_entry cmd_show_messages_entry;
104: extern const struct cmd_entry cmd_show_options_entry;
105: extern const struct cmd_entry cmd_show_window_options_entry;
106: extern const struct cmd_entry cmd_source_file_entry;
107: extern const struct cmd_entry cmd_split_window_entry;
108: extern const struct cmd_entry cmd_start_server_entry;
109: extern const struct cmd_entry cmd_suspend_client_entry;
110: extern const struct cmd_entry cmd_swap_pane_entry;
111: extern const struct cmd_entry cmd_swap_window_entry;
112: extern const struct cmd_entry cmd_switch_client_entry;
113: extern const struct cmd_entry cmd_unbind_key_entry;
114: extern const struct cmd_entry cmd_unlink_window_entry;
115: extern const struct cmd_entry cmd_up_pane_entry;
116: extern const struct cmd_entry cmd_wait_for_entry;
117:
118: const struct cmd_entry *cmd_table[] = {
119: &cmd_attach_session_entry,
120: &cmd_bind_key_entry,
121: &cmd_break_pane_entry,
122: &cmd_capture_pane_entry,
123: &cmd_choose_buffer_entry,
124: &cmd_choose_client_entry,
125: &cmd_choose_session_entry,
126: &cmd_choose_tree_entry,
127: &cmd_choose_window_entry,
128: &cmd_clear_history_entry,
129: &cmd_clock_mode_entry,
130: &cmd_command_prompt_entry,
131: &cmd_confirm_before_entry,
132: &cmd_copy_mode_entry,
133: &cmd_delete_buffer_entry,
134: &cmd_detach_client_entry,
135: &cmd_display_message_entry,
136: &cmd_display_panes_entry,
137: &cmd_find_window_entry,
138: &cmd_has_session_entry,
139: &cmd_if_shell_entry,
140: &cmd_join_pane_entry,
141: &cmd_kill_pane_entry,
142: &cmd_kill_server_entry,
143: &cmd_kill_session_entry,
144: &cmd_kill_window_entry,
145: &cmd_last_pane_entry,
146: &cmd_last_window_entry,
147: &cmd_link_window_entry,
148: &cmd_list_buffers_entry,
149: &cmd_list_clients_entry,
150: &cmd_list_commands_entry,
151: &cmd_list_keys_entry,
152: &cmd_list_panes_entry,
153: &cmd_list_sessions_entry,
154: &cmd_list_windows_entry,
155: &cmd_load_buffer_entry,
156: &cmd_lock_client_entry,
157: &cmd_lock_server_entry,
158: &cmd_lock_session_entry,
159: &cmd_move_pane_entry,
160: &cmd_move_window_entry,
161: &cmd_new_session_entry,
162: &cmd_new_window_entry,
163: &cmd_next_layout_entry,
164: &cmd_next_window_entry,
165: &cmd_paste_buffer_entry,
166: &cmd_pipe_pane_entry,
167: &cmd_previous_layout_entry,
168: &cmd_previous_window_entry,
169: &cmd_refresh_client_entry,
170: &cmd_rename_session_entry,
171: &cmd_rename_window_entry,
172: &cmd_resize_pane_entry,
173: &cmd_respawn_pane_entry,
174: &cmd_respawn_window_entry,
175: &cmd_rotate_window_entry,
176: &cmd_run_shell_entry,
177: &cmd_save_buffer_entry,
178: &cmd_select_layout_entry,
179: &cmd_select_pane_entry,
180: &cmd_select_window_entry,
181: &cmd_send_keys_entry,
182: &cmd_send_prefix_entry,
183: &cmd_set_buffer_entry,
184: &cmd_set_environment_entry,
185: &cmd_set_hook_entry,
186: &cmd_set_option_entry,
187: &cmd_set_window_option_entry,
188: &cmd_show_buffer_entry,
189: &cmd_show_environment_entry,
190: &cmd_show_hooks_entry,
191: &cmd_show_messages_entry,
192: &cmd_show_options_entry,
193: &cmd_show_window_options_entry,
194: &cmd_source_file_entry,
195: &cmd_split_window_entry,
196: &cmd_start_server_entry,
197: &cmd_suspend_client_entry,
198: &cmd_swap_pane_entry,
199: &cmd_swap_window_entry,
200: &cmd_switch_client_entry,
201: &cmd_unbind_key_entry,
202: &cmd_unlink_window_entry,
203: &cmd_wait_for_entry,
204: NULL
205: };
206:
207: int
208: cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
209: {
210: size_t arglen;
211: int i;
212:
213: if (argc == 0)
214: return (0);
215:
216: *buf = '\0';
217: for (i = 0; i < argc; i++) {
218: if (strlcpy(buf, argv[i], len) >= len)
219: return (-1);
220: arglen = strlen(argv[i]) + 1;
221: buf += arglen;
222: len -= arglen;
223: }
224:
225: return (0);
226: }
227:
228: int
229: cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
230: {
231: int i;
232: size_t arglen;
233:
234: if (argc == 0)
235: return (0);
236: *argv = xcalloc(argc, sizeof **argv);
237:
238: buf[len - 1] = '\0';
239: for (i = 0; i < argc; i++) {
240: if (len == 0) {
241: cmd_free_argv(argc, *argv);
242: return (-1);
243: }
244:
245: arglen = strlen(buf) + 1;
246: (*argv)[i] = xstrdup(buf);
247: buf += arglen;
248: len -= arglen;
249: }
250:
251: return (0);
252: }
253:
254: char **
255: cmd_copy_argv(int argc, char **argv)
256: {
257: char **new_argv;
258: int i;
259:
260: if (argc == 0)
261: return (NULL);
262: new_argv = xcalloc(argc + 1, sizeof *new_argv);
263: for (i = 0; i < argc; i++) {
264: if (argv[i] != NULL)
265: new_argv[i] = xstrdup(argv[i]);
266: }
267: return (new_argv);
268: }
269:
270: void
271: cmd_free_argv(int argc, char **argv)
272: {
273: int i;
274:
275: if (argc == 0)
276: return;
277: for (i = 0; i < argc; i++)
278: free(argv[i]);
279: free(argv);
280: }
281:
282: char *
283: cmd_stringify_argv(int argc, char **argv)
284: {
285: char *buf;
286: int i;
287: size_t len;
288:
289: if (argc == 0)
290: return (xstrdup(""));
291:
292: len = 0;
293: buf = NULL;
294:
295: for (i = 0; i < argc; i++) {
296: len += strlen(argv[i]) + 1;
297: buf = xrealloc(buf, len);
298:
299: if (i == 0)
300: *buf = '\0';
301: else
302: strlcat(buf, " ", len);
303: strlcat(buf, argv[i], len);
304: }
305: return (buf);
306: }
307:
308: static int
309: cmd_try_alias(int *argc, char ***argv)
310: {
311: struct options_entry *o;
312: int old_argc = *argc, new_argc;
313: char **old_argv = *argv, **new_argv;
314: u_int size, idx;
315: int i;
316: size_t wanted;
317: const char *s, *cp = NULL;
318:
319: o = options_get_only(global_options, "command-alias");
320: if (o == NULL || options_array_size(o, &size) == -1 || size == 0)
321: return (-1);
322:
323: wanted = strlen(old_argv[0]);
324: for (idx = 0; idx < size; idx++) {
325: s = options_array_get(o, idx);
326: if (s == NULL)
327: continue;
328:
329: cp = strchr(s, '=');
330: if (cp == NULL || (size_t)(cp - s) != wanted)
331: continue;
332: if (strncmp(old_argv[0], s, wanted) == 0)
333: break;
334: }
335: if (idx == size)
336: return (-1);
337:
338: if (cmd_string_split(cp + 1, &new_argc, &new_argv) != 0)
339: return (-1);
340:
341: *argc = new_argc + old_argc - 1;
342: *argv = xcalloc((*argc) + 1, sizeof **argv);
343:
344: for (i = 0; i < new_argc; i++)
345: (*argv)[i] = xstrdup(new_argv[i]);
346: for (i = 1; i < old_argc; i++)
347: (*argv)[new_argc + i - 1] = xstrdup(old_argv[i]);
348:
349: log_debug("alias: %s=%s", old_argv[0], cp + 1);
350: for (i = 0; i < *argc; i++)
351: log_debug("alias: argv[%d] = %s", i, (*argv)[i]);
352:
353: cmd_free_argv(new_argc, new_argv);
354: return (0);
355: }
356:
357: struct cmd *
358: cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause)
359: {
360: const char *name;
361: const struct cmd_entry **entryp, *entry;
362: struct cmd *cmd;
363: struct args *args;
364: char s[BUFSIZ];
365: int ambiguous, allocated = 0;
366:
367: *cause = NULL;
368: if (argc == 0) {
369: xasprintf(cause, "no command");
370: return (NULL);
371: }
372: name = argv[0];
373:
374: retry:
375: ambiguous = 0;
376: entry = NULL;
377: for (entryp = cmd_table; *entryp != NULL; entryp++) {
378: if ((*entryp)->alias != NULL &&
379: strcmp((*entryp)->alias, argv[0]) == 0) {
380: ambiguous = 0;
381: entry = *entryp;
382: break;
383: }
384:
385: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
386: continue;
387: if (entry != NULL)
388: ambiguous = 1;
389: entry = *entryp;
390:
391: /* Bail now if an exact match. */
392: if (strcmp(entry->name, argv[0]) == 0)
393: break;
394: }
395: if ((ambiguous || entry == NULL) &&
396: server_proc != NULL &&
397: !allocated &&
398: cmd_try_alias(&argc, &argv) == 0) {
399: allocated = 1;
400: goto retry;
401: }
402: if (ambiguous)
403: goto ambiguous;
404: if (entry == NULL) {
405: xasprintf(cause, "unknown command: %s", name);
406: return (NULL);
407: }
408:
409: args = args_parse(entry->args.template, argc, argv);
410: if (args == NULL)
411: goto usage;
412: if (entry->args.lower != -1 && args->argc < entry->args.lower)
413: goto usage;
414: if (entry->args.upper != -1 && args->argc > entry->args.upper)
415: goto usage;
416:
417: cmd = xcalloc(1, sizeof *cmd);
418: cmd->entry = entry;
419: cmd->args = args;
420:
421: if (file != NULL)
422: cmd->file = xstrdup(file);
423: cmd->line = line;
424:
425: if (allocated)
426: cmd_free_argv(argc, argv);
427: return (cmd);
428:
429: ambiguous:
430: *s = '\0';
431: for (entryp = cmd_table; *entryp != NULL; entryp++) {
432: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
433: continue;
434: if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
435: break;
436: if (strlcat(s, ", ", sizeof s) >= sizeof s)
437: break;
438: }
439: s[strlen(s) - 2] = '\0';
440: xasprintf(cause, "ambiguous command: %s, could be: %s", name, s);
441: return (NULL);
442:
443: usage:
444: if (args != NULL)
445: args_free(args);
446: xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
447: return (NULL);
448: }
449:
450: static int
451: cmd_prepare_state_flag(char c, const char *target, enum cmd_entry_flag flag,
452: struct cmdq_item *item)
453: {
454: int targetflags, error;
455: struct cmd_find_state *fs = NULL;
456: struct cmd_find_state current;
457:
458: if (flag == CMD_NONE ||
459: flag == CMD_CLIENT ||
460: flag == CMD_CLIENT_CANFAIL)
461: return (0);
462:
463: if (c == 't')
464: fs = &item->state.tflag;
465: else if (c == 's')
466: fs = &item->state.sflag;
467:
468: if (flag == CMD_SESSION_WITHPANE) {
469: if (target != NULL && target[strcspn(target, ":.")] != '\0')
470: flag = CMD_PANE;
471: else
472: flag = CMD_SESSION_PREFERUNATTACHED;
473: }
474:
475: targetflags = 0;
476: switch (flag) {
477: case CMD_SESSION:
478: case CMD_SESSION_CANFAIL:
479: case CMD_SESSION_PREFERUNATTACHED:
480: case CMD_SESSION_WITHPANE:
481: if (flag == CMD_SESSION_CANFAIL)
482: targetflags |= CMD_FIND_QUIET;
483: if (flag == CMD_SESSION_PREFERUNATTACHED)
484: targetflags |= CMD_FIND_PREFER_UNATTACHED;
485: break;
486: case CMD_MOVEW_R:
487: flag = CMD_WINDOW_INDEX;
488: /* FALLTHROUGH */
489: case CMD_WINDOW:
490: case CMD_WINDOW_CANFAIL:
491: case CMD_WINDOW_MARKED:
492: case CMD_WINDOW_INDEX:
493: if (flag == CMD_WINDOW_CANFAIL)
494: targetflags |= CMD_FIND_QUIET;
495: if (flag == CMD_WINDOW_MARKED)
496: targetflags |= CMD_FIND_DEFAULT_MARKED;
497: if (flag == CMD_WINDOW_INDEX)
498: targetflags |= CMD_FIND_WINDOW_INDEX;
499: break;
500: case CMD_PANE:
501: case CMD_PANE_CANFAIL:
502: case CMD_PANE_MARKED:
503: if (flag == CMD_PANE_CANFAIL)
504: targetflags |= CMD_FIND_QUIET;
505: if (flag == CMD_PANE_MARKED)
506: targetflags |= CMD_FIND_DEFAULT_MARKED;
507: break;
508: default:
509: fatalx("unknown %cflag %d", c, flag);
510: }
511: log_debug("%s: flag %c %d %#x", __func__, c, flag, targetflags);
512:
513: error = cmd_find_current(¤t, item, targetflags);
514: if (error != 0) {
515: if (~targetflags & CMD_FIND_QUIET)
516: return (-1);
517: cmd_find_clear_state(¤t, NULL, 0);
518: }
519: if (!cmd_find_empty_state(¤t) && !cmd_find_valid_state(¤t))
520: fatalx("invalid current state");
521:
522: switch (flag) {
523: case CMD_NONE:
524: case CMD_CLIENT:
525: case CMD_CLIENT_CANFAIL:
526: return (0);
527: case CMD_SESSION:
528: case CMD_SESSION_CANFAIL:
529: case CMD_SESSION_PREFERUNATTACHED:
530: case CMD_SESSION_WITHPANE:
531: error = cmd_find_target(fs, ¤t, item, target,
532: CMD_FIND_SESSION, targetflags);
533: if (error != 0)
534: goto error;
535: break;
536: case CMD_MOVEW_R:
537: error = cmd_find_target(fs, ¤t, item, target,
538: CMD_FIND_SESSION, CMD_FIND_QUIET);
539: if (error == 0)
540: break;
541: /* FALLTHROUGH */
542: case CMD_WINDOW:
543: case CMD_WINDOW_CANFAIL:
544: case CMD_WINDOW_MARKED:
545: case CMD_WINDOW_INDEX:
546: error = cmd_find_target(fs, ¤t, item, target,
547: CMD_FIND_WINDOW, targetflags);
548: if (error != 0)
549: goto error;
550: break;
551: case CMD_PANE:
552: case CMD_PANE_CANFAIL:
553: case CMD_PANE_MARKED:
554: error = cmd_find_target(fs, ¤t, item, target,
555: CMD_FIND_PANE, targetflags);
556: if (error != 0)
557: goto error;
558: break;
559: default:
560: fatalx("unknown %cflag %d", c, flag);
561: }
562: return (0);
563:
564: error:
565: if (~targetflags & CMD_FIND_QUIET)
566: return (-1);
567: cmd_find_clear_state(fs, NULL, 0);
568: return (0);
569: }
570:
571: int
572: cmd_prepare_state(struct cmd *cmd, struct cmdq_item *item)
573: {
574: const struct cmd_entry *entry = cmd->entry;
575: struct cmd_state *state = &item->state;
576: char *tmp;
577: enum cmd_entry_flag flag;
578: const char *s;
579: int error;
580:
581: tmp = cmd_print(cmd);
582: log_debug("preparing state for %s (client %p)", tmp, item->client);
583: free(tmp);
584:
585: state->c = NULL;
586: cmd_find_clear_state(&state->tflag, NULL, 0);
587: cmd_find_clear_state(&state->sflag, NULL, 0);
588:
589: flag = cmd->entry->cflag;
590: if (flag == CMD_NONE) {
591: flag = cmd->entry->tflag;
592: if (flag == CMD_CLIENT || flag == CMD_CLIENT_CANFAIL)
593: s = args_get(cmd->args, 't');
594: else
595: s = NULL;
596: } else
597: s = args_get(cmd->args, 'c');
598: switch (flag) {
599: case CMD_CLIENT:
600: state->c = cmd_find_client(item, s, 0);
601: if (state->c == NULL)
602: return (-1);
603: break;
604: default:
605: state->c = cmd_find_client(item, s, 1);
606: break;
607: }
608: log_debug("using client %p", state->c);
609:
610: s = args_get(cmd->args, 't');
611: log_debug("preparing -t state: target %s", s == NULL ? "none" : s);
612:
613: error = cmd_prepare_state_flag('t', s, entry->tflag, item);
614: if (error != 0)
615: return (error);
616:
617: s = args_get(cmd->args, 's');
618: log_debug("preparing -s state: target %s", s == NULL ? "none" : s);
619:
620: error = cmd_prepare_state_flag('s', s, entry->sflag, item);
621: if (error != 0)
622: return (error);
623:
624: if (!cmd_find_empty_state(&state->tflag) &&
625: !cmd_find_valid_state(&state->tflag))
626: fatalx("invalid -t state");
627: if (!cmd_find_empty_state(&state->sflag) &&
628: !cmd_find_valid_state(&state->sflag))
629: fatalx("invalid -s state");
630:
631: return (0);
632: }
633:
634: char *
635: cmd_print(struct cmd *cmd)
636: {
637: char *out, *s;
638:
639: s = args_print(cmd->args);
640: if (*s != '\0')
641: xasprintf(&out, "%s %s", cmd->entry->name, s);
642: else
643: out = xstrdup(cmd->entry->name);
644: free(s);
645:
646: return (out);
647: }
648:
649: /* Adjust current mouse position for a pane. */
650: int
651: cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp,
652: u_int *yp, int last)
653: {
654: u_int x, y;
655:
656: if (last) {
657: x = m->lx;
658: y = m->ly;
659: } else {
660: x = m->x;
661: y = m->y;
662: }
663:
664: if (m->statusat == 0 && y > 0)
665: y--;
666: else if (m->statusat > 0 && y >= (u_int)m->statusat)
667: y = m->statusat - 1;
668:
669: if (x < wp->xoff || x >= wp->xoff + wp->sx)
670: return (-1);
671: if (y < wp->yoff || y >= wp->yoff + wp->sy)
672: return (-1);
673:
674: if (xp != NULL)
675: *xp = x - wp->xoff;
676: if (yp != NULL)
677: *yp = y - wp->yoff;
678: return (0);
679: }
680:
681: /* Get current mouse window if any. */
682: struct winlink *
683: cmd_mouse_window(struct mouse_event *m, struct session **sp)
684: {
685: struct session *s;
686: struct window *w;
687:
688: if (!m->valid || m->s == -1 || m->w == -1)
689: return (NULL);
690: if ((s = session_find_by_id(m->s)) == NULL)
691: return (NULL);
692: if ((w = window_find_by_id(m->w)) == NULL)
693: return (NULL);
694:
695: if (sp != NULL)
696: *sp = s;
697: return (winlink_find_by_window(&s->windows, w));
698: }
699:
700: /* Get current mouse pane if any. */
701: struct window_pane *
702: cmd_mouse_pane(struct mouse_event *m, struct session **sp,
703: struct winlink **wlp)
704: {
705: struct winlink *wl;
706: struct window_pane *wp;
707:
708: if ((wl = cmd_mouse_window(m, sp)) == NULL)
709: return (NULL);
710: if ((wp = window_pane_find_by_id(m->wp)) == NULL)
711: return (NULL);
712: if (!window_has_pane(wl->window, wp))
713: return (NULL);
714:
715: if (wlp != NULL)
716: *wlp = wl;
717: return (wp);
718: }
719:
720: /* Replace the first %% or %idx in template by s. */
721: char *
722: cmd_template_replace(const char *template, const char *s, int idx)
723: {
724: char ch, *buf;
725: const char *ptr, *cp, quote[] = "\"\\$";
726: int replaced, quoted;
727: size_t len;
728:
729: if (strchr(template, '%') == NULL)
730: return (xstrdup(template));
731:
732: buf = xmalloc(1);
733: *buf = '\0';
734: len = 0;
735: replaced = 0;
736:
737: ptr = template;
738: while (*ptr != '\0') {
739: switch (ch = *ptr++) {
740: case '%':
741: if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) {
742: if (*ptr != '%' || replaced)
743: break;
744: replaced = 1;
745: }
746: ptr++;
747:
748: quoted = (*ptr == '%');
749: if (quoted)
750: ptr++;
751:
752: buf = xrealloc(buf, len + (strlen(s) * 3) + 1);
753: for (cp = s; *cp != '\0'; cp++) {
754: if (quoted && strchr(quote, *cp) != NULL)
755: buf[len++] = '\\';
756: if (quoted && *cp == ';') {
757: buf[len++] = '\\';
758: buf[len++] = '\\';
759: }
760: buf[len++] = *cp;
761: }
762: buf[len] = '\0';
763: continue;
764: }
765: buf = xrealloc(buf, len + 2);
766: buf[len++] = ch;
767: buf[len] = '\0';
768: }
769:
770: return (buf);
771: }
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