Annotation of src/usr.bin/tmux/status.c, Revision 1.194
1.194 ! nicm 1: /* $OpenBSD: status.c,v 1.193 2019/04/23 20:36:55 nicm Exp $ */
1.1 nicm 2:
3: /*
1.148 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>
20: #include <sys/time.h>
21:
22: #include <errno.h>
23: #include <limits.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <time.h>
28: #include <unistd.h>
29:
30: #include "tmux.h"
31:
1.151 nicm 32: static void status_message_callback(int, short, void *);
33: static void status_timer_callback(int, short, void *);
34:
35: static char *status_prompt_find_history_file(void);
36: static const char *status_prompt_up_history(u_int *);
37: static const char *status_prompt_down_history(u_int *);
38: static void status_prompt_add_history(const char *);
39:
1.183 nicm 40: static char **status_prompt_complete_list(u_int *, const char *);
41: static char *status_prompt_complete_prefix(char **, u_int);
1.151 nicm 42: static char *status_prompt_complete(struct session *, const char *);
1.130 nicm 43:
1.65 nicm 44: /* Status prompt history. */
1.128 nicm 45: #define PROMPT_HISTORY 100
1.151 nicm 46: static char **status_prompt_hlist;
47: static u_int status_prompt_hsize;
1.130 nicm 48:
49: /* Find the history file to load/save from/to. */
1.151 nicm 50: static char *
1.130 nicm 51: status_prompt_find_history_file(void)
52: {
53: const char *home, *history_file;
54: char *path;
55:
1.137 nicm 56: history_file = options_get_string(global_options, "history-file");
1.130 nicm 57: if (*history_file == '\0')
58: return (NULL);
59: if (*history_file == '/')
60: return (xstrdup(history_file));
61:
62: if (history_file[0] != '~' || history_file[1] != '/')
63: return (NULL);
64: if ((home = find_home()) == NULL)
65: return (NULL);
66: xasprintf(&path, "%s%s", home, history_file + 1);
67: return (path);
68: }
69:
70: /* Load status prompt history from file. */
71: void
72: status_prompt_load_history(void)
73: {
74: FILE *f;
75: char *history_file, *line, *tmp;
76: size_t length;
77:
78: if ((history_file = status_prompt_find_history_file()) == NULL)
79: return;
80: log_debug("loading history from %s", history_file);
81:
82: f = fopen(history_file, "r");
83: if (f == NULL) {
84: log_debug("%s: %s", history_file, strerror(errno));
85: free(history_file);
86: return;
87: }
88: free(history_file);
89:
90: for (;;) {
91: if ((line = fgetln(f, &length)) == NULL)
92: break;
93:
94: if (length > 0) {
95: if (line[length - 1] == '\n') {
96: line[length - 1] = '\0';
97: status_prompt_add_history(line);
98: } else {
99: tmp = xmalloc(length + 1);
100: memcpy(tmp, line, length);
101: tmp[length] = '\0';
102: status_prompt_add_history(tmp);
103: free(tmp);
104: }
105: }
106: }
107: fclose(f);
108: }
109:
110: /* Save status prompt history to file. */
111: void
112: status_prompt_save_history(void)
113: {
114: FILE *f;
115: u_int i;
116: char *history_file;
117:
118: if ((history_file = status_prompt_find_history_file()) == NULL)
119: return;
120: log_debug("saving history to %s", history_file);
121:
122: f = fopen(history_file, "w");
123: if (f == NULL) {
124: log_debug("%s: %s", history_file, strerror(errno));
125: free(history_file);
126: return;
127: }
128: free(history_file);
129:
130: for (i = 0; i < status_prompt_hsize; i++) {
131: fputs(status_prompt_hlist[i], f);
132: fputc('\n', f);
133: }
134: fclose(f);
135:
1.87 nicm 136: }
137:
1.133 nicm 138: /* Status timer callback. */
1.151 nicm 139: static void
1.141 nicm 140: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 141: {
142: struct client *c = arg;
143: struct session *s = c->session;
144: struct timeval tv;
145:
1.175 nicm 146: evtimer_del(&c->status.timer);
1.133 nicm 147:
148: if (s == NULL)
149: return;
150:
151: if (c->message_string == NULL && c->prompt_string == NULL)
1.177 nicm 152: c->flags |= CLIENT_REDRAWSTATUS;
1.133 nicm 153:
154: timerclear(&tv);
1.137 nicm 155: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 156:
157: if (tv.tv_sec != 0)
1.175 nicm 158: evtimer_add(&c->status.timer, &tv);
1.136 nicm 159: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 160: }
161:
162: /* Start status timer for client. */
163: void
164: status_timer_start(struct client *c)
165: {
166: struct session *s = c->session;
167:
1.175 nicm 168: if (event_initialized(&c->status.timer))
169: evtimer_del(&c->status.timer);
1.133 nicm 170: else
1.175 nicm 171: evtimer_set(&c->status.timer, status_timer_callback, c);
1.133 nicm 172:
1.137 nicm 173: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 174: status_timer_callback(-1, 0, c);
175: }
176:
177: /* Start status timer for all clients. */
178: void
179: status_timer_start_all(void)
180: {
181: struct client *c;
182:
183: TAILQ_FOREACH(c, &clients, entry)
184: status_timer_start(c);
185: }
186:
1.161 nicm 187: /* Update status cache. */
188: void
1.187 nicm 189: status_update_cache(struct session *s)
1.161 nicm 190: {
1.192 nicm 191: s->statuslines = options_get_number(s->options, "status");
192: if (s->statuslines == 0)
1.161 nicm 193: s->statusat = -1;
194: else if (options_get_number(s->options, "status-position") == 0)
195: s->statusat = 0;
196: else
197: s->statusat = 1;
198: }
199:
1.87 nicm 200: /* Get screen line of status line. -1 means off. */
201: int
202: status_at_line(struct client *c)
203: {
204: struct session *s = c->session;
205:
1.169 nicm 206: if (c->flags & CLIENT_STATUSOFF)
207: return (-1);
1.161 nicm 208: if (s->statusat != 1)
209: return (s->statusat);
1.182 nicm 210: return (c->tty.sy - status_line_size(c));
1.169 nicm 211: }
212:
1.182 nicm 213: /* Get size of status line for client's session. 0 means off. */
1.169 nicm 214: u_int
1.182 nicm 215: status_line_size(struct client *c)
1.169 nicm 216: {
1.182 nicm 217: struct session *s = c->session;
218:
219: if (c->flags & CLIENT_STATUSOFF)
220: return (0);
1.192 nicm 221: return (s->statuslines);
1.71 nicm 222: }
223:
1.192 nicm 224: /* Get window at window list position. */
225: struct style_range *
226: status_get_range(struct client *c, u_int x, u_int y)
1.48 nicm 227: {
1.192 nicm 228: struct status_line *sl = &c->status;
229: struct style_range *sr;
1.48 nicm 230:
1.192 nicm 231: if (y >= nitems(sl->entries))
232: return (NULL);
233: TAILQ_FOREACH(sr, &sl->entries[y].ranges, entry) {
234: if (x >= sr->start && x < sr->end)
235: return (sr);
236: }
237: return (NULL);
1.48 nicm 238: }
239:
1.192 nicm 240: /* Free all ranges. */
241: static void
242: status_free_ranges(struct style_ranges *srs)
1.48 nicm 243: {
1.192 nicm 244: struct style_range *sr, *sr1;
1.48 nicm 245:
1.192 nicm 246: TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) {
247: TAILQ_REMOVE(srs, sr, entry);
248: free(sr);
1.73 nicm 249: }
250: }
251:
1.189 nicm 252: /* Save old status line. */
253: static void
254: status_push_screen(struct client *c)
255: {
256: struct status_line *sl = &c->status;
257:
258: if (sl->active == &sl->screen) {
259: sl->active = xmalloc(sizeof *sl->active);
260: screen_init(sl->active, c->tty.sx, status_line_size(c), 0);
261: }
262: sl->references++;
263: }
264:
265: /* Restore old status line. */
266: static void
267: status_pop_screen(struct client *c)
268: {
269: struct status_line *sl = &c->status;
270:
271: if (--sl->references == 0) {
272: screen_free(sl->active);
273: free(sl->active);
274: sl->active = &sl->screen;
275: }
276: }
277:
1.187 nicm 278: /* Initialize status line. */
279: void
280: status_init(struct client *c)
281: {
282: struct status_line *sl = &c->status;
1.192 nicm 283: u_int i;
284:
285: for (i = 0; i < nitems(sl->entries); i++)
286: TAILQ_INIT(&sl->entries[i].ranges);
1.187 nicm 287:
288: screen_init(&sl->screen, c->tty.sx, 1, 0);
1.189 nicm 289: sl->active = &sl->screen;
1.187 nicm 290: }
291:
1.186 nicm 292: /* Free status line. */
293: void
294: status_free(struct client *c)
295: {
296: struct status_line *sl = &c->status;
1.192 nicm 297: u_int i;
298:
299: for (i = 0; i < nitems(sl->entries); i++) {
300: status_free_ranges(&sl->entries[i].ranges);
301: free((void *)sl->entries[i].expanded);
302: }
1.186 nicm 303:
304: if (event_initialized(&sl->timer))
305: evtimer_del(&sl->timer);
306:
1.189 nicm 307: if (sl->active != &sl->screen) {
308: screen_free(sl->active);
309: free(sl->active);
310: }
1.187 nicm 311: screen_free(&sl->screen);
1.186 nicm 312: }
313:
314: /* Draw status line for client. */
1.1 nicm 315: int
316: status_redraw(struct client *c)
317: {
1.192 nicm 318: struct status_line *sl = &c->status;
319: struct status_line_entry *sle;
320: struct session *s = c->session;
321: struct screen_write_ctx ctx;
322: struct grid_cell gc;
323: u_int lines, i, width = c->tty.sx;
324: int flags, force = 0, changed = 0;
325: struct options_entry *o;
1.193 nicm 326: union options_value *ov;
1.192 nicm 327: struct format_tree *ft;
328: char *expanded;
329:
330: log_debug("%s enter", __func__);
1.1 nicm 331:
1.189 nicm 332: /* Shouldn't get here if not the active screen. */
333: if (sl->active != &sl->screen)
334: fatalx("not the active screen");
1.167 nicm 335:
1.49 nicm 336: /* No status line? */
1.182 nicm 337: lines = status_line_size(c);
1.169 nicm 338: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 339: return (1);
1.1 nicm 340:
1.48 nicm 341: /* Set up default colour. */
1.192 nicm 342: style_apply(&gc, s->options, "status-style");
343: if (!grid_cells_equal(&gc, &sl->style)) {
344: force = 1;
345: memcpy(&sl->style, &gc, sizeof sl->style);
346: }
347:
348: /* Resize the target screen. */
349: if (screen_size_x(&sl->screen) != width ||
350: screen_size_y(&sl->screen) != lines) {
351: if (screen_size_x(&sl->screen) != width)
352: force = 1;
353: screen_resize(&sl->screen, width, lines, 0);
354: changed = 1;
1.1 nicm 355: }
1.192 nicm 356: screen_write_start(&ctx, NULL, &sl->screen);
1.1 nicm 357:
1.192 nicm 358: /* Create format tree. */
359: flags = FORMAT_STATUS;
360: if (c->flags & CLIENT_STATUSFORCE)
361: flags |= FORMAT_FORCE;
362: ft = format_create(c, NULL, FORMAT_NONE, flags);
363: format_defaults(ft, c, NULL, NULL, NULL);
1.55 nicm 364:
1.192 nicm 365: /* Write the status lines. */
366: o = options_get(s->options, "status-format");
367: if (o == NULL)
368: screen_write_clearscreen(&ctx, gc.bg);
369: else {
370: for (i = 0; i < lines; i++) {
371: screen_write_cursormove(&ctx, 0, i, 0);
372:
1.193 nicm 373: ov = options_array_get(o, i);
374: if (ov == NULL) {
1.192 nicm 375: screen_write_clearline(&ctx, gc.bg);
376: continue;
377: }
378: sle = &sl->entries[i];
1.1 nicm 379:
1.193 nicm 380: expanded = format_expand_time(ft, ov->string);
1.192 nicm 381: if (!force &&
382: sle->expanded != NULL &&
383: strcmp(expanded, sle->expanded) == 0) {
384: free(expanded);
385: continue;
386: }
387: changed = 1;
1.1 nicm 388:
1.192 nicm 389: screen_write_clearline(&ctx, gc.bg);
390: status_free_ranges(&sle->ranges);
391: format_draw(&ctx, &gc, width, expanded, &sle->ranges);
1.1 nicm 392:
1.192 nicm 393: free(sle->expanded);
394: sle->expanded = expanded;
1.48 nicm 395: }
396: }
397: screen_write_stop(&ctx);
1.1 nicm 398:
1.192 nicm 399: /* Free the format tree. */
1.99 nicm 400: format_free(ft);
1.1 nicm 401:
1.192 nicm 402: /* Return if the status line has changed. */
403: log_debug("%s exit: force=%d, changed=%d", __func__, force, changed);
404: return (force || changed);
1.1 nicm 405: }
406:
1.46 nicm 407: /* Set a status line message. */
1.117 nicm 408: void
1.10 nicm 409: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 410: {
1.162 nicm 411: struct timeval tv;
412: va_list ap;
413: int delay;
1.1 nicm 414:
1.12 nicm 415: status_message_clear(c);
1.189 nicm 416: status_push_screen(c);
1.167 nicm 417:
1.28 nicm 418: va_start(ap, fmt);
419: xvasprintf(&c->message_string, fmt, ap);
420: va_end(ap);
421:
1.162 nicm 422: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 423:
1.137 nicm 424: delay = options_get_number(c->session->options, "display-time");
1.143 tim 425: if (delay > 0) {
426: tv.tv_sec = delay / 1000;
427: tv.tv_usec = (delay % 1000) * 1000L;
428:
429: if (event_initialized(&c->message_timer))
430: evtimer_del(&c->message_timer);
431: evtimer_set(&c->message_timer, status_message_callback, c);
432: evtimer_add(&c->message_timer, &tv);
433: }
1.1 nicm 434:
435: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 436: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 437: }
438:
1.46 nicm 439: /* Clear status line message. */
1.1 nicm 440: void
441: status_message_clear(struct client *c)
442: {
443: if (c->message_string == NULL)
444: return;
445:
1.94 nicm 446: free(c->message_string);
1.1 nicm 447: c->message_string = NULL;
448:
1.156 nicm 449: if (c->prompt_string == NULL)
450: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 451: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 452:
1.189 nicm 453: status_pop_screen(c);
1.42 nicm 454: }
455:
1.46 nicm 456: /* Clear status line message after timer expires. */
1.151 nicm 457: static void
1.141 nicm 458: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 459: {
460: struct client *c = data;
461:
462: status_message_clear(c);
1.1 nicm 463: }
464:
465: /* Draw client message on status line of present else on last line. */
466: int
467: status_message_redraw(struct client *c)
468: {
1.189 nicm 469: struct status_line *sl = &c->status;
470: struct screen_write_ctx ctx;
471: struct session *s = c->session;
472: struct screen old_screen;
473: size_t len;
474: u_int lines, offset;
475: struct grid_cell gc;
1.1 nicm 476:
477: if (c->tty.sx == 0 || c->tty.sy == 0)
478: return (0);
1.189 nicm 479: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 480:
1.182 nicm 481: lines = status_line_size(c);
1.189 nicm 482: if (lines <= 1)
1.173 nicm 483: lines = 1;
1.190 nicm 484: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 485:
1.139 nicm 486: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 487: if (len > c->tty.sx)
488: len = c->tty.sx;
489:
1.137 nicm 490: style_apply(&gc, s->options, "message-style");
1.1 nicm 491:
1.189 nicm 492: screen_write_start(&ctx, NULL, sl->active);
1.192 nicm 493: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
494: screen_write_cursormove(&ctx, 0, lines - 1, 0);
495: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 496: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 497: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 498: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 499: screen_write_stop(&ctx);
500:
1.189 nicm 501: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
502: screen_free(&old_screen);
1.1 nicm 503: return (0);
504: }
1.189 nicm 505: screen_free(&old_screen);
1.1 nicm 506: return (1);
507: }
508:
1.46 nicm 509: /* Enable status line prompt. */
1.1 nicm 510: void
1.76 nicm 511: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 512: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 513: {
1.122 nicm 514: struct format_tree *ft;
1.165 nicm 515: char *tmp, *cp;
1.122 nicm 516:
1.164 nicm 517: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 518: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 519:
1.168 nicm 520: if (input == NULL)
521: input = "";
522: if (flags & PROMPT_NOFORMAT)
523: tmp = xstrdup(input);
524: else
1.185 nicm 525: tmp = format_expand_time(ft, input);
1.20 nicm 526:
1.12 nicm 527: status_message_clear(c);
528: status_prompt_clear(c);
1.189 nicm 529: status_push_screen(c);
1.12 nicm 530:
1.185 nicm 531: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 532:
1.152 nicm 533: c->prompt_buffer = utf8_fromcstr(tmp);
534: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 535:
1.166 nicm 536: c->prompt_inputcb = inputcb;
537: c->prompt_freecb = freecb;
1.1 nicm 538: c->prompt_data = data;
539:
540: c->prompt_hindex = 0;
541:
542: c->prompt_flags = flags;
1.155 nicm 543: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 544:
1.158 nicm 545: if (~flags & PROMPT_INCREMENTAL)
546: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 547: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 548:
549: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
550: xasprintf(&cp, "=%s", tmp);
1.166 nicm 551: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 552: free(cp);
553: }
1.122 nicm 554:
1.152 nicm 555: free(tmp);
1.122 nicm 556: format_free(ft);
1.1 nicm 557: }
558:
1.46 nicm 559: /* Remove status line prompt. */
1.1 nicm 560: void
561: status_prompt_clear(struct client *c)
562: {
1.55 nicm 563: if (c->prompt_string == NULL)
1.1 nicm 564: return;
565:
1.166 nicm 566: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
567: c->prompt_freecb(c->prompt_data);
1.1 nicm 568:
1.94 nicm 569: free(c->prompt_string);
1.1 nicm 570: c->prompt_string = NULL;
571:
1.94 nicm 572: free(c->prompt_buffer);
1.1 nicm 573: c->prompt_buffer = NULL;
574:
1.181 nicm 575: free(c->prompt_saved);
576: c->prompt_saved = NULL;
577:
1.1 nicm 578: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 579: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 580:
1.189 nicm 581: status_pop_screen(c);
1.27 nicm 582: }
583:
1.46 nicm 584: /* Update status line prompt with a new prompt string. */
1.27 nicm 585: void
1.76 nicm 586: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 587: {
1.122 nicm 588: struct format_tree *ft;
1.152 nicm 589: char *tmp;
1.122 nicm 590:
1.164 nicm 591: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 592: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 593:
1.185 nicm 594: tmp = format_expand_time(ft, input);
1.122 nicm 595:
1.94 nicm 596: free(c->prompt_string);
1.185 nicm 597: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 598:
1.94 nicm 599: free(c->prompt_buffer);
1.152 nicm 600: c->prompt_buffer = utf8_fromcstr(tmp);
601: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 602:
603: c->prompt_hindex = 0;
604:
1.177 nicm 605: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 606:
1.152 nicm 607: free(tmp);
1.122 nicm 608: format_free(ft);
1.1 nicm 609: }
610:
611: /* Draw client prompt on status line of present else on last line. */
612: int
613: status_prompt_redraw(struct client *c)
614: {
1.189 nicm 615: struct status_line *sl = &c->status;
1.152 nicm 616: struct screen_write_ctx ctx;
617: struct session *s = c->session;
1.189 nicm 618: struct screen old_screen;
619: u_int i, lines, offset, left, start, width;
620: u_int pcursor, pwidth;
1.152 nicm 621: struct grid_cell gc, cursorgc;
1.1 nicm 622:
623: if (c->tty.sx == 0 || c->tty.sy == 0)
624: return (0);
1.189 nicm 625: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 626:
1.182 nicm 627: lines = status_line_size(c);
1.189 nicm 628: if (lines <= 1)
1.173 nicm 629: lines = 1;
1.189 nicm 630: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 631:
1.155 nicm 632: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 633: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 634: else
1.137 nicm 635: style_apply(&gc, s->options, "message-style");
1.1 nicm 636:
1.152 nicm 637: memcpy(&cursorgc, &gc, sizeof cursorgc);
638: cursorgc.attr ^= GRID_ATTR_REVERSE;
639:
640: start = screen_write_strlen("%s", c->prompt_string);
641: if (start > c->tty.sx)
642: start = c->tty.sx;
643:
1.189 nicm 644: screen_write_start(&ctx, NULL, sl->active);
1.192 nicm 645: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
646: screen_write_cursormove(&ctx, 0, lines - 1, 0);
647: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 648: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 649: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.152 nicm 650: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.192 nicm 651: screen_write_cursormove(&ctx, start, lines - 1, 0);
1.1 nicm 652:
1.152 nicm 653: left = c->tty.sx - start;
654: if (left == 0)
655: goto finished;
656:
657: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
658: pwidth = utf8_strwidth(c->prompt_buffer, -1);
659: if (pcursor >= left) {
660: /*
661: * The cursor would be outside the screen so start drawing
662: * with it on the right.
663: */
664: offset = (pcursor - left) + 1;
665: pwidth = left;
666: } else
667: offset = 0;
668: if (pwidth > left)
669: pwidth = left;
670:
671: width = 0;
672: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
673: if (width < offset) {
674: width += c->prompt_buffer[i].width;
675: continue;
1.1 nicm 676: }
1.152 nicm 677: if (width >= offset + pwidth)
678: break;
679: width += c->prompt_buffer[i].width;
680: if (width > offset + pwidth)
681: break;
1.1 nicm 682:
1.152 nicm 683: if (i != c->prompt_index) {
684: utf8_copy(&gc.data, &c->prompt_buffer[i]);
685: screen_write_cell(&ctx, &gc);
686: } else {
687: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
688: screen_write_cell(&ctx, &cursorgc);
689: }
1.1 nicm 690: }
1.189 nicm 691: if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i)
1.152 nicm 692: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 693:
1.152 nicm 694: finished:
1.1 nicm 695: screen_write_stop(&ctx);
1.51 nicm 696:
1.189 nicm 697: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
698: screen_free(&old_screen);
1.1 nicm 699: return (0);
700: }
1.189 nicm 701: screen_free(&old_screen);
1.1 nicm 702: return (1);
703: }
704:
1.152 nicm 705: /* Is this a separator? */
706: static int
707: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
708: {
709: if (ud->size != 1 || ud->width != 1)
710: return (0);
711: return (strchr(ws, *ud->data) != NULL);
712: }
713:
714: /* Is this a space? */
715: static int
716: status_prompt_space(const struct utf8_data *ud)
717: {
718: if (ud->size != 1 || ud->width != 1)
719: return (0);
720: return (*ud->data == ' ');
721: }
722:
1.155 nicm 723: /*
724: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
725: * as an emacs key; return 2 to append to the buffer.
726: */
727: static int
728: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
729: {
730: if (c->prompt_mode == PROMPT_ENTRY) {
731: switch (key) {
732: case '\003': /* C-c */
733: case '\010': /* C-h */
734: case '\011': /* Tab */
735: case '\025': /* C-u */
736: case '\027': /* C-w */
737: case '\n':
738: case '\r':
739: case KEYC_BSPACE:
740: case KEYC_DC:
741: case KEYC_DOWN:
742: case KEYC_END:
743: case KEYC_HOME:
744: case KEYC_LEFT:
745: case KEYC_RIGHT:
746: case KEYC_UP:
747: *new_key = key;
748: return (1);
749: case '\033': /* Escape */
750: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 751: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 752: return (0);
753: }
754: *new_key = key;
755: return (2);
756: }
757:
758: switch (key) {
759: case 'A':
760: case 'I':
761: case 'C':
762: case 's':
763: case 'a':
764: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 765: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 766: break; /* switch mode and... */
767: case 'S':
768: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 769: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 770: *new_key = '\025'; /* C-u */
771: return (1);
772: case 'i':
773: case '\033': /* Escape */
774: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 775: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 776: return (0);
777: }
778:
779: switch (key) {
780: case 'A':
781: case '$':
782: *new_key = KEYC_END;
783: return (1);
784: case 'I':
785: case '0':
786: case '^':
787: *new_key = KEYC_HOME;
788: return (1);
789: case 'C':
790: case 'D':
791: *new_key = '\013'; /* C-k */
792: return (1);
793: case KEYC_BSPACE:
794: case 'X':
795: *new_key = KEYC_BSPACE;
796: return (1);
797: case 'b':
798: case 'B':
799: *new_key = 'b'|KEYC_ESCAPE;
800: return (1);
801: case 'd':
802: *new_key = '\025';
803: return (1);
804: case 'e':
805: case 'E':
806: case 'w':
807: case 'W':
808: *new_key = 'f'|KEYC_ESCAPE;
809: return (1);
810: case 'p':
811: *new_key = '\031'; /* C-y */
812: return (1);
813: case 's':
814: case KEYC_DC:
815: case 'x':
816: *new_key = KEYC_DC;
817: return (1);
818: case KEYC_DOWN:
819: case 'j':
820: *new_key = KEYC_DOWN;
821: return (1);
822: case KEYC_LEFT:
823: case 'h':
824: *new_key = KEYC_LEFT;
825: return (1);
826: case 'a':
827: case KEYC_RIGHT:
828: case 'l':
829: *new_key = KEYC_RIGHT;
830: return (1);
831: case KEYC_UP:
832: case 'k':
833: *new_key = KEYC_UP;
834: return (1);
835: case '\010' /* C-h */:
836: case '\003' /* C-c */:
837: case '\n':
838: case '\r':
839: return (1);
840: }
841: return (0);
842: }
843:
1.1 nicm 844: /* Handle keys in prompt. */
1.154 nicm 845: int
1.138 nicm 846: status_prompt_key(struct client *c, key_code key)
1.1 nicm 847: {
1.152 nicm 848: struct options *oo = c->session->options;
1.1 nicm 849: struct paste_buffer *pb;
1.158 nicm 850: char *s, *cp, word[64], prefix = '=';
1.152 nicm 851: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 852: u_char ch;
1.152 nicm 853: size_t size, n, off, idx, bufsize, used;
854: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 855: int keys;
1.1 nicm 856:
1.152 nicm 857: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 858:
859: if (c->prompt_flags & PROMPT_NUMERIC) {
860: if (key >= '0' && key <= '9')
861: goto append_key;
862: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 863: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 864: status_prompt_clear(c);
865: free(s);
866: return (1);
867: }
1.180 nicm 868: key &= ~KEYC_XTERM;
1.154 nicm 869:
1.155 nicm 870: keys = options_get_number(c->session->options, "status-keys");
871: if (keys == MODEKEY_VI) {
872: switch (status_prompt_translate_key(c, key, &key)) {
873: case 1:
874: goto process_key;
875: case 2:
876: goto append_key;
877: default:
878: return (0);
879: }
880: }
881:
882: process_key:
883: switch (key) {
884: case KEYC_LEFT:
885: case '\002': /* C-b */
1.1 nicm 886: if (c->prompt_index > 0) {
887: c->prompt_index--;
1.158 nicm 888: break;
1.1 nicm 889: }
890: break;
1.155 nicm 891: case KEYC_RIGHT:
892: case '\006': /* C-f */
1.1 nicm 893: if (c->prompt_index < size) {
894: c->prompt_index++;
1.158 nicm 895: break;
1.1 nicm 896: }
897: break;
1.155 nicm 898: case KEYC_HOME:
899: case '\001': /* C-a */
1.1 nicm 900: if (c->prompt_index != 0) {
901: c->prompt_index = 0;
1.158 nicm 902: break;
1.1 nicm 903: }
904: break;
1.155 nicm 905: case KEYC_END:
906: case '\005': /* C-e */
1.1 nicm 907: if (c->prompt_index != size) {
908: c->prompt_index = size;
1.158 nicm 909: break;
1.1 nicm 910: }
911: break;
1.155 nicm 912: case '\011': /* Tab */
1.152 nicm 913: if (c->prompt_buffer[0].size == 0)
1.1 nicm 914: break;
915:
916: idx = c->prompt_index;
917: if (idx != 0)
918: idx--;
919:
920: /* Find the word we are in. */
1.152 nicm 921: first = &c->prompt_buffer[idx];
922: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 923: first--;
1.152 nicm 924: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 925: first++;
1.152 nicm 926: last = &c->prompt_buffer[idx];
927: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 928: last++;
1.152 nicm 929: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 930: last--;
1.152 nicm 931: if (last->size != 0)
1.1 nicm 932: last++;
1.152 nicm 933: if (last <= first)
934: break;
935:
936: used = 0;
937: for (ud = first; ud < last; ud++) {
938: if (used + ud->size >= sizeof word)
939: break;
940: memcpy(word + used, ud->data, ud->size);
941: used += ud->size;
942: }
943: if (ud != last)
1.1 nicm 944: break;
1.152 nicm 945: word[used] = '\0';
1.1 nicm 946:
947: /* And try to complete it. */
1.152 nicm 948: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 949: break;
950:
951: /* Trim out word. */
952: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 953: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 954: size -= last - first;
955:
956: /* Insert the new word. */
1.55 nicm 957: size += strlen(s);
1.1 nicm 958: off = first - c->prompt_buffer;
1.152 nicm 959: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
960: sizeof *c->prompt_buffer);
1.1 nicm 961: first = c->prompt_buffer + off;
1.152 nicm 962: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
963: for (idx = 0; idx < strlen(s); idx++)
964: utf8_set(&first[idx], s[idx]);
1.1 nicm 965:
966: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 967: free(s);
1.1 nicm 968:
1.158 nicm 969: goto changed;
1.155 nicm 970: case KEYC_BSPACE:
971: case '\010': /* C-h */
1.1 nicm 972: if (c->prompt_index != 0) {
973: if (c->prompt_index == size)
1.152 nicm 974: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 975: else {
976: memmove(c->prompt_buffer + c->prompt_index - 1,
977: c->prompt_buffer + c->prompt_index,
1.152 nicm 978: (size + 1 - c->prompt_index) *
979: sizeof *c->prompt_buffer);
1.1 nicm 980: c->prompt_index--;
981: }
1.158 nicm 982: goto changed;
1.1 nicm 983: }
984: break;
1.155 nicm 985: case KEYC_DC:
986: case '\004': /* C-d */
1.1 nicm 987: if (c->prompt_index != size) {
988: memmove(c->prompt_buffer + c->prompt_index,
989: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 990: (size + 1 - c->prompt_index) *
991: sizeof *c->prompt_buffer);
1.158 nicm 992: goto changed;
1.18 nicm 993: }
1.26 nicm 994: break;
1.155 nicm 995: case '\025': /* C-u */
1.152 nicm 996: c->prompt_buffer[0].size = 0;
1.26 nicm 997: c->prompt_index = 0;
1.158 nicm 998: goto changed;
1.155 nicm 999: case '\013': /* C-k */
1.18 nicm 1000: if (c->prompt_index < size) {
1.152 nicm 1001: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1002: goto changed;
1.1 nicm 1003: }
1004: break;
1.155 nicm 1005: case '\027': /* C-w */
1.152 nicm 1006: ws = options_get_string(oo, "word-separators");
1.81 nicm 1007: idx = c->prompt_index;
1008:
1009: /* Find a non-separator. */
1010: while (idx != 0) {
1011: idx--;
1.152 nicm 1012: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1013: break;
1014: }
1015:
1016: /* Find the separator at the beginning of the word. */
1017: while (idx != 0) {
1018: idx--;
1.152 nicm 1019: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1020: /* Go back to the word. */
1021: idx++;
1022: break;
1023: }
1024: }
1025:
1.181 nicm 1026: free(c->prompt_saved);
1027: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1028: (c->prompt_index - idx) + 1);
1029: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1030: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1031:
1.81 nicm 1032: memmove(c->prompt_buffer + idx,
1033: c->prompt_buffer + c->prompt_index,
1.152 nicm 1034: (size + 1 - c->prompt_index) *
1035: sizeof *c->prompt_buffer);
1.81 nicm 1036: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1037: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1038: c->prompt_index = idx;
1.152 nicm 1039:
1.158 nicm 1040: goto changed;
1.155 nicm 1041: case 'f'|KEYC_ESCAPE:
1.180 nicm 1042: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1043: ws = options_get_string(oo, "word-separators");
1.81 nicm 1044:
1045: /* Find a word. */
1046: while (c->prompt_index != size) {
1.152 nicm 1047: idx = ++c->prompt_index;
1048: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1049: break;
1050: }
1051:
1052: /* Find the separator at the end of the word. */
1053: while (c->prompt_index != size) {
1.152 nicm 1054: idx = ++c->prompt_index;
1055: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1056: break;
1057: }
1.106 nicm 1058:
1059: /* Back up to the end-of-word like vi. */
1060: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1061: c->prompt_index != 0)
1062: c->prompt_index--;
1.81 nicm 1063:
1.158 nicm 1064: goto changed;
1.155 nicm 1065: case 'b'|KEYC_ESCAPE:
1.180 nicm 1066: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1067: ws = options_get_string(oo, "word-separators");
1.81 nicm 1068:
1069: /* Find a non-separator. */
1070: while (c->prompt_index != 0) {
1.152 nicm 1071: idx = --c->prompt_index;
1072: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1073: break;
1074: }
1075:
1076: /* Find the separator at the beginning of the word. */
1077: while (c->prompt_index != 0) {
1.152 nicm 1078: idx = --c->prompt_index;
1079: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1080: /* Go back to the word. */
1081: c->prompt_index++;
1082: break;
1083: }
1084: }
1.158 nicm 1085: goto changed;
1.155 nicm 1086: case KEYC_UP:
1087: case '\020': /* C-p */
1.66 nicm 1088: histstr = status_prompt_up_history(&c->prompt_hindex);
1089: if (histstr == NULL)
1.1 nicm 1090: break;
1.94 nicm 1091: free(c->prompt_buffer);
1.152 nicm 1092: c->prompt_buffer = utf8_fromcstr(histstr);
1093: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1094: goto changed;
1.155 nicm 1095: case KEYC_DOWN:
1096: case '\016': /* C-n */
1.66 nicm 1097: histstr = status_prompt_down_history(&c->prompt_hindex);
1098: if (histstr == NULL)
1.65 nicm 1099: break;
1.94 nicm 1100: free(c->prompt_buffer);
1.152 nicm 1101: c->prompt_buffer = utf8_fromcstr(histstr);
1102: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1103: goto changed;
1.155 nicm 1104: case '\031': /* C-y */
1.181 nicm 1105: if (c->prompt_saved != NULL) {
1106: ud = c->prompt_saved;
1107: n = utf8_strlen(c->prompt_saved);
1108: } else {
1109: if ((pb = paste_get_top(NULL)) == NULL)
1.32 nicm 1110: break;
1.181 nicm 1111: bufdata = paste_buffer_data(pb, &bufsize);
1112: for (n = 0; n < bufsize; n++) {
1113: ch = (u_char)bufdata[n];
1114: if (ch < 32 || ch >= 127)
1115: break;
1116: }
1117: ud = xreallocarray(NULL, n, sizeof *ud);
1118: for (idx = 0; idx < n; idx++)
1119: utf8_set(&ud[idx], bufdata[idx]);
1.32 nicm 1120: }
1.1 nicm 1121:
1.152 nicm 1122: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1123: sizeof *c->prompt_buffer);
1.1 nicm 1124: if (c->prompt_index == size) {
1.181 nicm 1125: memcpy(c->prompt_buffer + c->prompt_index, ud,
1126: n * sizeof *c->prompt_buffer);
1.1 nicm 1127: c->prompt_index += n;
1.152 nicm 1128: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1129: } else {
1130: memmove(c->prompt_buffer + c->prompt_index + n,
1131: c->prompt_buffer + c->prompt_index,
1.152 nicm 1132: (size + 1 - c->prompt_index) *
1133: sizeof *c->prompt_buffer);
1.181 nicm 1134: memcpy(c->prompt_buffer + c->prompt_index, ud,
1135: n * sizeof *c->prompt_buffer);
1.1 nicm 1136: c->prompt_index += n;
1137: }
1.181 nicm 1138:
1139: if (ud != c->prompt_saved)
1140: free(ud);
1.158 nicm 1141: goto changed;
1.155 nicm 1142: case '\024': /* C-t */
1.30 nicm 1143: idx = c->prompt_index;
1144: if (idx < size)
1145: idx++;
1146: if (idx >= 2) {
1.152 nicm 1147: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1148: utf8_copy(&c->prompt_buffer[idx - 2],
1149: &c->prompt_buffer[idx - 1]);
1150: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1151: c->prompt_index = idx;
1.158 nicm 1152: goto changed;
1.30 nicm 1153: }
1.1 nicm 1154: break;
1.155 nicm 1155: case '\r':
1156: case '\n':
1.152 nicm 1157: s = utf8_tocstr(c->prompt_buffer);
1158: if (*s != '\0')
1159: status_prompt_add_history(s);
1.166 nicm 1160: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1161: status_prompt_clear(c);
1.152 nicm 1162: free(s);
1.25 nicm 1163: break;
1.155 nicm 1164: case '\033': /* Escape */
1165: case '\003': /* C-c */
1.174 nicm 1166: case '\007': /* C-g */
1.166 nicm 1167: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1168: status_prompt_clear(c);
1169: break;
1.158 nicm 1170: case '\022': /* C-r */
1171: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1172: prefix = '-';
1173: goto changed;
1174: }
1175: break;
1176: case '\023': /* C-s */
1177: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1178: prefix = '+';
1179: goto changed;
1180: }
1181: break;
1182: default:
1183: goto append_key;
1.154 nicm 1184: }
1.152 nicm 1185:
1.177 nicm 1186: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1187: return (0);
1188:
1.154 nicm 1189: append_key:
1190: if (key <= 0x1f || key >= KEYC_BASE)
1191: return (0);
1192: if (utf8_split(key, &tmp) != UTF8_DONE)
1193: return (0);
1.1 nicm 1194:
1.154 nicm 1195: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1196: sizeof *c->prompt_buffer);
1.1 nicm 1197:
1.154 nicm 1198: if (c->prompt_index == size) {
1199: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1200: c->prompt_index++;
1201: c->prompt_buffer[c->prompt_index].size = 0;
1202: } else {
1203: memmove(c->prompt_buffer + c->prompt_index + 1,
1204: c->prompt_buffer + c->prompt_index,
1205: (size + 1 - c->prompt_index) *
1206: sizeof *c->prompt_buffer);
1207: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1208: c->prompt_index++;
1209: }
1.1 nicm 1210:
1.154 nicm 1211: if (c->prompt_flags & PROMPT_SINGLE) {
1212: s = utf8_tocstr(c->prompt_buffer);
1213: if (strlen(s) != 1)
1214: status_prompt_clear(c);
1.166 nicm 1215: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1216: status_prompt_clear(c);
1217: free(s);
1.1 nicm 1218: }
1.154 nicm 1219:
1.158 nicm 1220: changed:
1.177 nicm 1221: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1222: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1223: s = utf8_tocstr(c->prompt_buffer);
1224: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1225: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1226: free(cp);
1227: free(s);
1228: }
1.154 nicm 1229: return (0);
1.1 nicm 1230: }
1231:
1.65 nicm 1232: /* Get previous line from the history. */
1.151 nicm 1233: static const char *
1.65 nicm 1234: status_prompt_up_history(u_int *idx)
1235: {
1236: /*
1.128 nicm 1237: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1238: * empty.
1.65 nicm 1239: */
1240:
1.128 nicm 1241: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1242: return (NULL);
1243: (*idx)++;
1.128 nicm 1244: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1245: }
1246:
1247: /* Get next line from the history. */
1.151 nicm 1248: static const char *
1.65 nicm 1249: status_prompt_down_history(u_int *idx)
1250: {
1.128 nicm 1251: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1252: return ("");
1253: (*idx)--;
1254: if (*idx == 0)
1255: return ("");
1.128 nicm 1256: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1257: }
1258:
1.1 nicm 1259: /* Add line to the history. */
1.151 nicm 1260: static void
1.65 nicm 1261: status_prompt_add_history(const char *line)
1.1 nicm 1262: {
1.128 nicm 1263: size_t size;
1.65 nicm 1264:
1.128 nicm 1265: if (status_prompt_hsize > 0 &&
1266: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1267: return;
1268:
1.128 nicm 1269: if (status_prompt_hsize == PROMPT_HISTORY) {
1270: free(status_prompt_hlist[0]);
1.1 nicm 1271:
1.128 nicm 1272: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1273: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1274:
1.128 nicm 1275: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1276: return;
1277: }
1.1 nicm 1278:
1.128 nicm 1279: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1280: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1281: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1282: }
1283:
1284: /* Build completion list. */
1.183 nicm 1285: char **
1.128 nicm 1286: status_prompt_complete_list(u_int *size, const char *s)
1287: {
1.183 nicm 1288: char **list = NULL;
1289: const char **layout, *value, *cp;
1.128 nicm 1290: const struct cmd_entry **cmdent;
1291: const struct options_table_entry *oe;
1.191 nicm 1292: u_int idx;
1.183 nicm 1293: size_t slen = strlen(s), valuelen;
1294: struct options_entry *o;
1.191 nicm 1295: struct options_array_item *a;
1.194 ! nicm 1296: union options_value *ov;
1.128 nicm 1297: const char *layouts[] = {
1298: "even-horizontal", "even-vertical", "main-horizontal",
1299: "main-vertical", "tiled", NULL
1300: };
1.1 nicm 1301:
1.128 nicm 1302: *size = 0;
1.1 nicm 1303: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1304: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1305: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1306: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1307: }
1.56 nicm 1308: }
1.142 nicm 1309: for (oe = options_table; oe->name != NULL; oe++) {
1.183 nicm 1310: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1311: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1312: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1313: }
1314: }
1315: for (layout = layouts; *layout != NULL; layout++) {
1.183 nicm 1316: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1317: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1318: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1319: }
1320: }
1.183 nicm 1321: o = options_get_only(global_options, "command-alias");
1.191 nicm 1322: if (o != NULL) {
1323: a = options_array_first(o);
1324: while (a != NULL) {
1.194 ! nicm 1325: ov = options_array_item_value(a);
! 1326: if (ov == NULL)
1.191 nicm 1327: goto next;
1328:
1.194 ! nicm 1329: value = ov->string;
! 1330: if ((cp = strchr(value, '=')) == NULL)
! 1331: goto next;
1.183 nicm 1332: valuelen = cp - value;
1333: if (slen > valuelen || strncmp(value, s, slen) != 0)
1.191 nicm 1334: goto next;
1335:
1.183 nicm 1336: list = xreallocarray(list, (*size) + 1, sizeof *list);
1337: list[(*size)++] = xstrndup(value, valuelen);
1.191 nicm 1338:
1339: next:
1340: a = options_array_next(a);
1.183 nicm 1341: }
1342: }
1343: for (idx = 0; idx < (*size); idx++)
1344: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1345: return (list);
1346: }
1347:
1348: /* Find longest prefix. */
1.151 nicm 1349: static char *
1.183 nicm 1350: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1351: {
1352: char *out;
1353: u_int i;
1354: size_t j;
1355:
1356: out = xstrdup(list[0]);
1357: for (i = 1; i < size; i++) {
1358: j = strlen(list[i]);
1359: if (j > strlen(out))
1360: j = strlen(out);
1361: for (; j > 0; j--) {
1362: if (out[j - 1] != list[i][j - 1])
1363: out[j - 1] = '\0';
1364: }
1.1 nicm 1365: }
1.128 nicm 1366: return (out);
1367: }
1.1 nicm 1368:
1.128 nicm 1369: /* Complete word. */
1.151 nicm 1370: static char *
1.152 nicm 1371: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1372: {
1.183 nicm 1373: char **list = NULL;
1374: const char *colon;
1.128 nicm 1375: u_int size = 0, i;
1376: struct session *s_loop;
1377: struct winlink *wl;
1378: struct window *w;
1379: char *copy, *out, *tmp;
1380:
1381: if (*s == '\0')
1.1 nicm 1382: return (NULL);
1.128 nicm 1383: out = NULL;
1384:
1385: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1386: list = status_prompt_complete_list(&size, s);
1387: if (size == 0)
1388: out = NULL;
1389: else if (size == 1)
1390: xasprintf(&out, "%s ", list[0]);
1391: else
1392: out = status_prompt_complete_prefix(list, size);
1.183 nicm 1393: for (i = 0; i < size; i++)
1394: free(list[i]);
1.128 nicm 1395: free(list);
1396: return (out);
1397: }
1398: copy = xstrdup(s);
1399:
1400: colon = ":";
1401: if (copy[strlen(copy) - 1] == ':')
1402: copy[strlen(copy) - 1] = '\0';
1403: else
1404: colon = "";
1405: s = copy + 2;
1.1 nicm 1406:
1.128 nicm 1407: RB_FOREACH(s_loop, sessions, &sessions) {
1408: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1409: list = xreallocarray(list, size + 2, sizeof *list);
1410: list[size++] = s_loop->name;
1411: }
1412: }
1413: if (size == 1) {
1414: out = xstrdup(list[0]);
1415: if (session_find(list[0]) != NULL)
1416: colon = ":";
1417: } else if (size != 0)
1418: out = status_prompt_complete_prefix(list, size);
1419: if (out != NULL) {
1420: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1421: free(out);
1.128 nicm 1422: out = tmp;
1423: goto found;
1424: }
1425:
1426: colon = "";
1427: if (*s == ':') {
1.152 nicm 1428: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1429: xasprintf(&tmp, ":%s", wl->window->name);
1430: if (strncmp(tmp, s, strlen(s)) == 0){
1431: list = xreallocarray(list, size + 1,
1432: sizeof *list);
1433: list[size++] = tmp;
1434: continue;
1435: }
1436: free(tmp);
1.1 nicm 1437:
1.128 nicm 1438: xasprintf(&tmp, ":%d", wl->idx);
1439: if (strncmp(tmp, s, strlen(s)) == 0) {
1440: list = xreallocarray(list, size + 1,
1441: sizeof *list);
1442: list[size++] = tmp;
1443: continue;
1444: }
1445: free(tmp);
1446: }
1447: } else {
1448: RB_FOREACH(s_loop, sessions, &sessions) {
1449: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1450: w = wl->window;
1451:
1452: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1453: if (strncmp(tmp, s, strlen(s)) == 0) {
1454: list = xreallocarray(list, size + 1,
1455: sizeof *list);
1456: list[size++] = tmp;
1457: continue;
1458: }
1459: free(tmp);
1460:
1461: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1462: if (strncmp(tmp, s, strlen(s)) == 0) {
1463: list = xreallocarray(list, size + 1,
1464: sizeof *list);
1465: list[size++] = tmp;
1466: continue;
1467: }
1468: free(tmp);
1469: }
1.1 nicm 1470: }
1471: }
1.128 nicm 1472: if (size == 1) {
1473: out = xstrdup(list[0]);
1474: colon = " ";
1475: } else if (size != 0)
1476: out = status_prompt_complete_prefix(list, size);
1477: if (out != NULL) {
1478: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1479: out = tmp;
1480: }
1481:
1482: for (i = 0; i < size; i++)
1483: free((void *)list[i]);
1484:
1485: found:
1486: free(copy);
1487: free(list);
1488: return (out);
1.1 nicm 1489: }
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