Annotation of src/usr.bin/tmux/status.c, Revision 1.203
1.203 ! nicm 1: /* $OpenBSD: status.c,v 1.202 2020/03/12 09:49:43 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:
1.198 nicm 206: if (c->flags & (CLIENT_STATUSOFF|CLIENT_CONTROL))
1.169 nicm 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:
1.198 nicm 219: if (c->flags & (CLIENT_STATUSOFF|CLIENT_CONTROL))
1.182 nicm 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;
1.197 nicm 323: u_int lines, i, n, width = c->tty.sx;
1.203 ! nicm 324: int flags, force = 0, changed = 0, fg, bg;
1.192 nicm 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. */
1.203 ! nicm 342: style_apply(&gc, s->options, "status-style", NULL);
! 343: fg = options_get_number(s->options, "status-fg");
! 344: if (fg != 8)
! 345: gc.fg = fg;
! 346: bg = options_get_number(s->options, "status-bg");
! 347: if (bg != 8)
! 348: gc.bg = bg;
1.192 nicm 349: if (!grid_cells_equal(&gc, &sl->style)) {
350: force = 1;
351: memcpy(&sl->style, &gc, sizeof sl->style);
352: }
353:
354: /* Resize the target screen. */
355: if (screen_size_x(&sl->screen) != width ||
356: screen_size_y(&sl->screen) != lines) {
357: screen_resize(&sl->screen, width, lines, 0);
1.200 nicm 358: changed = force = 1;
1.1 nicm 359: }
1.192 nicm 360: screen_write_start(&ctx, NULL, &sl->screen);
1.1 nicm 361:
1.192 nicm 362: /* Create format tree. */
363: flags = FORMAT_STATUS;
364: if (c->flags & CLIENT_STATUSFORCE)
365: flags |= FORMAT_FORCE;
366: ft = format_create(c, NULL, FORMAT_NONE, flags);
367: format_defaults(ft, c, NULL, NULL, NULL);
1.55 nicm 368:
1.192 nicm 369: /* Write the status lines. */
370: o = options_get(s->options, "status-format");
1.197 nicm 371: if (o == NULL) {
372: for (n = 0; n < width * lines; n++)
373: screen_write_putc(&ctx, &gc, ' ');
374: } else {
1.192 nicm 375: for (i = 0; i < lines; i++) {
376: screen_write_cursormove(&ctx, 0, i, 0);
377:
1.193 nicm 378: ov = options_array_get(o, i);
379: if (ov == NULL) {
1.197 nicm 380: for (n = 0; n < width; n++)
381: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 382: continue;
383: }
384: sle = &sl->entries[i];
1.1 nicm 385:
1.193 nicm 386: expanded = format_expand_time(ft, ov->string);
1.192 nicm 387: if (!force &&
388: sle->expanded != NULL &&
389: strcmp(expanded, sle->expanded) == 0) {
390: free(expanded);
391: continue;
392: }
393: changed = 1;
1.1 nicm 394:
1.197 nicm 395: for (n = 0; n < width; n++)
396: screen_write_putc(&ctx, &gc, ' ');
397: screen_write_cursormove(&ctx, 0, i, 0);
398:
1.192 nicm 399: status_free_ranges(&sle->ranges);
400: format_draw(&ctx, &gc, width, expanded, &sle->ranges);
1.1 nicm 401:
1.192 nicm 402: free(sle->expanded);
403: sle->expanded = expanded;
1.48 nicm 404: }
405: }
406: screen_write_stop(&ctx);
1.1 nicm 407:
1.192 nicm 408: /* Free the format tree. */
1.99 nicm 409: format_free(ft);
1.1 nicm 410:
1.192 nicm 411: /* Return if the status line has changed. */
412: log_debug("%s exit: force=%d, changed=%d", __func__, force, changed);
413: return (force || changed);
1.1 nicm 414: }
415:
1.46 nicm 416: /* Set a status line message. */
1.117 nicm 417: void
1.10 nicm 418: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 419: {
1.162 nicm 420: struct timeval tv;
421: va_list ap;
422: int delay;
1.1 nicm 423:
1.12 nicm 424: status_message_clear(c);
1.189 nicm 425: status_push_screen(c);
1.167 nicm 426:
1.28 nicm 427: va_start(ap, fmt);
428: xvasprintf(&c->message_string, fmt, ap);
429: va_end(ap);
430:
1.162 nicm 431: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 432:
1.137 nicm 433: delay = options_get_number(c->session->options, "display-time");
1.143 tim 434: if (delay > 0) {
435: tv.tv_sec = delay / 1000;
436: tv.tv_usec = (delay % 1000) * 1000L;
437:
438: if (event_initialized(&c->message_timer))
439: evtimer_del(&c->message_timer);
440: evtimer_set(&c->message_timer, status_message_callback, c);
441: evtimer_add(&c->message_timer, &tv);
442: }
1.1 nicm 443:
444: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 445: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 446: }
447:
1.46 nicm 448: /* Clear status line message. */
1.1 nicm 449: void
450: status_message_clear(struct client *c)
451: {
452: if (c->message_string == NULL)
453: return;
454:
1.94 nicm 455: free(c->message_string);
1.1 nicm 456: c->message_string = NULL;
457:
1.156 nicm 458: if (c->prompt_string == NULL)
459: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 460: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 461:
1.189 nicm 462: status_pop_screen(c);
1.42 nicm 463: }
464:
1.46 nicm 465: /* Clear status line message after timer expires. */
1.151 nicm 466: static void
1.141 nicm 467: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 468: {
469: struct client *c = data;
470:
471: status_message_clear(c);
1.1 nicm 472: }
473:
474: /* Draw client message on status line of present else on last line. */
475: int
476: status_message_redraw(struct client *c)
477: {
1.189 nicm 478: struct status_line *sl = &c->status;
479: struct screen_write_ctx ctx;
480: struct session *s = c->session;
481: struct screen old_screen;
482: size_t len;
483: u_int lines, offset;
484: struct grid_cell gc;
1.1 nicm 485:
486: if (c->tty.sx == 0 || c->tty.sy == 0)
487: return (0);
1.189 nicm 488: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 489:
1.182 nicm 490: lines = status_line_size(c);
1.189 nicm 491: if (lines <= 1)
1.173 nicm 492: lines = 1;
1.190 nicm 493: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 494:
1.139 nicm 495: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 496: if (len > c->tty.sx)
497: len = c->tty.sx;
498:
1.203 ! nicm 499: style_apply(&gc, s->options, "message-style", NULL);
1.1 nicm 500:
1.189 nicm 501: screen_write_start(&ctx, NULL, sl->active);
1.192 nicm 502: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
503: screen_write_cursormove(&ctx, 0, lines - 1, 0);
504: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 505: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 506: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 507: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 508: screen_write_stop(&ctx);
509:
1.189 nicm 510: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
511: screen_free(&old_screen);
1.1 nicm 512: return (0);
513: }
1.189 nicm 514: screen_free(&old_screen);
1.1 nicm 515: return (1);
516: }
517:
1.46 nicm 518: /* Enable status line prompt. */
1.1 nicm 519: void
1.76 nicm 520: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 521: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 522: {
1.122 nicm 523: struct format_tree *ft;
1.165 nicm 524: char *tmp, *cp;
1.122 nicm 525:
1.164 nicm 526: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 527: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 528:
1.168 nicm 529: if (input == NULL)
530: input = "";
531: if (flags & PROMPT_NOFORMAT)
532: tmp = xstrdup(input);
533: else
1.185 nicm 534: tmp = format_expand_time(ft, input);
1.20 nicm 535:
1.12 nicm 536: status_message_clear(c);
537: status_prompt_clear(c);
1.189 nicm 538: status_push_screen(c);
1.12 nicm 539:
1.185 nicm 540: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 541:
1.152 nicm 542: c->prompt_buffer = utf8_fromcstr(tmp);
543: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 544:
1.166 nicm 545: c->prompt_inputcb = inputcb;
546: c->prompt_freecb = freecb;
1.1 nicm 547: c->prompt_data = data;
548:
549: c->prompt_hindex = 0;
550:
551: c->prompt_flags = flags;
1.155 nicm 552: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 553:
1.158 nicm 554: if (~flags & PROMPT_INCREMENTAL)
555: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 556: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 557:
558: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
559: xasprintf(&cp, "=%s", tmp);
1.166 nicm 560: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 561: free(cp);
562: }
1.122 nicm 563:
1.152 nicm 564: free(tmp);
1.122 nicm 565: format_free(ft);
1.1 nicm 566: }
567:
1.46 nicm 568: /* Remove status line prompt. */
1.1 nicm 569: void
570: status_prompt_clear(struct client *c)
571: {
1.55 nicm 572: if (c->prompt_string == NULL)
1.1 nicm 573: return;
574:
1.166 nicm 575: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
576: c->prompt_freecb(c->prompt_data);
1.1 nicm 577:
1.94 nicm 578: free(c->prompt_string);
1.1 nicm 579: c->prompt_string = NULL;
580:
1.94 nicm 581: free(c->prompt_buffer);
1.1 nicm 582: c->prompt_buffer = NULL;
583:
1.181 nicm 584: free(c->prompt_saved);
585: c->prompt_saved = NULL;
586:
1.1 nicm 587: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 588: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 589:
1.189 nicm 590: status_pop_screen(c);
1.27 nicm 591: }
592:
1.46 nicm 593: /* Update status line prompt with a new prompt string. */
1.27 nicm 594: void
1.76 nicm 595: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 596: {
1.122 nicm 597: struct format_tree *ft;
1.152 nicm 598: char *tmp;
1.122 nicm 599:
1.164 nicm 600: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 601: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 602:
1.185 nicm 603: tmp = format_expand_time(ft, input);
1.122 nicm 604:
1.94 nicm 605: free(c->prompt_string);
1.185 nicm 606: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 607:
1.94 nicm 608: free(c->prompt_buffer);
1.152 nicm 609: c->prompt_buffer = utf8_fromcstr(tmp);
610: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 611:
612: c->prompt_hindex = 0;
613:
1.177 nicm 614: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 615:
1.152 nicm 616: free(tmp);
1.122 nicm 617: format_free(ft);
1.1 nicm 618: }
619:
620: /* Draw client prompt on status line of present else on last line. */
621: int
622: status_prompt_redraw(struct client *c)
623: {
1.189 nicm 624: struct status_line *sl = &c->status;
1.152 nicm 625: struct screen_write_ctx ctx;
626: struct session *s = c->session;
1.189 nicm 627: struct screen old_screen;
628: u_int i, lines, offset, left, start, width;
629: u_int pcursor, pwidth;
1.152 nicm 630: struct grid_cell gc, cursorgc;
1.1 nicm 631:
632: if (c->tty.sx == 0 || c->tty.sy == 0)
633: return (0);
1.189 nicm 634: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 635:
1.182 nicm 636: lines = status_line_size(c);
1.189 nicm 637: if (lines <= 1)
1.173 nicm 638: lines = 1;
1.189 nicm 639: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 640:
1.155 nicm 641: if (c->prompt_mode == PROMPT_COMMAND)
1.203 ! nicm 642: style_apply(&gc, s->options, "message-command-style", NULL);
1.108 nicm 643: else
1.203 ! nicm 644: style_apply(&gc, s->options, "message-style", NULL);
1.1 nicm 645:
1.152 nicm 646: memcpy(&cursorgc, &gc, sizeof cursorgc);
647: cursorgc.attr ^= GRID_ATTR_REVERSE;
648:
649: start = screen_write_strlen("%s", c->prompt_string);
650: if (start > c->tty.sx)
651: start = c->tty.sx;
652:
1.189 nicm 653: screen_write_start(&ctx, NULL, sl->active);
1.192 nicm 654: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
655: screen_write_cursormove(&ctx, 0, lines - 1, 0);
656: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 657: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 658: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.152 nicm 659: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.192 nicm 660: screen_write_cursormove(&ctx, start, lines - 1, 0);
1.1 nicm 661:
1.152 nicm 662: left = c->tty.sx - start;
663: if (left == 0)
664: goto finished;
665:
666: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
667: pwidth = utf8_strwidth(c->prompt_buffer, -1);
668: if (pcursor >= left) {
669: /*
670: * The cursor would be outside the screen so start drawing
671: * with it on the right.
672: */
673: offset = (pcursor - left) + 1;
674: pwidth = left;
675: } else
676: offset = 0;
677: if (pwidth > left)
678: pwidth = left;
679:
680: width = 0;
681: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
682: if (width < offset) {
683: width += c->prompt_buffer[i].width;
684: continue;
1.1 nicm 685: }
1.152 nicm 686: if (width >= offset + pwidth)
687: break;
688: width += c->prompt_buffer[i].width;
689: if (width > offset + pwidth)
690: break;
1.1 nicm 691:
1.152 nicm 692: if (i != c->prompt_index) {
693: utf8_copy(&gc.data, &c->prompt_buffer[i]);
694: screen_write_cell(&ctx, &gc);
695: } else {
696: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
697: screen_write_cell(&ctx, &cursorgc);
698: }
1.1 nicm 699: }
1.189 nicm 700: if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i)
1.152 nicm 701: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 702:
1.152 nicm 703: finished:
1.1 nicm 704: screen_write_stop(&ctx);
1.51 nicm 705:
1.189 nicm 706: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
707: screen_free(&old_screen);
1.1 nicm 708: return (0);
709: }
1.189 nicm 710: screen_free(&old_screen);
1.1 nicm 711: return (1);
712: }
713:
1.152 nicm 714: /* Is this a separator? */
715: static int
716: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
717: {
718: if (ud->size != 1 || ud->width != 1)
719: return (0);
720: return (strchr(ws, *ud->data) != NULL);
721: }
722:
723: /* Is this a space? */
724: static int
725: status_prompt_space(const struct utf8_data *ud)
726: {
727: if (ud->size != 1 || ud->width != 1)
728: return (0);
729: return (*ud->data == ' ');
730: }
731:
1.155 nicm 732: /*
733: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
734: * as an emacs key; return 2 to append to the buffer.
735: */
736: static int
737: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
738: {
739: if (c->prompt_mode == PROMPT_ENTRY) {
740: switch (key) {
741: case '\003': /* C-c */
1.202 nicm 742: case '\007': /* C-g */
1.155 nicm 743: case '\010': /* C-h */
744: case '\011': /* Tab */
745: case '\025': /* C-u */
746: case '\027': /* C-w */
747: case '\n':
748: case '\r':
749: case KEYC_BSPACE:
750: case KEYC_DC:
751: case KEYC_DOWN:
752: case KEYC_END:
753: case KEYC_HOME:
754: case KEYC_LEFT:
755: case KEYC_RIGHT:
756: case KEYC_UP:
757: *new_key = key;
758: return (1);
759: case '\033': /* Escape */
760: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 761: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 762: return (0);
763: }
764: *new_key = key;
765: return (2);
766: }
767:
768: switch (key) {
769: case 'A':
770: case 'I':
771: case 'C':
772: case 's':
773: case 'a':
774: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 775: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 776: break; /* switch mode and... */
777: case 'S':
778: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 779: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 780: *new_key = '\025'; /* C-u */
781: return (1);
782: case 'i':
783: case '\033': /* Escape */
784: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 785: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 786: return (0);
787: }
788:
789: switch (key) {
790: case 'A':
791: case '$':
792: *new_key = KEYC_END;
793: return (1);
794: case 'I':
795: case '0':
796: case '^':
797: *new_key = KEYC_HOME;
798: return (1);
799: case 'C':
800: case 'D':
801: *new_key = '\013'; /* C-k */
802: return (1);
803: case KEYC_BSPACE:
804: case 'X':
805: *new_key = KEYC_BSPACE;
806: return (1);
807: case 'b':
808: case 'B':
809: *new_key = 'b'|KEYC_ESCAPE;
810: return (1);
811: case 'd':
812: *new_key = '\025';
813: return (1);
814: case 'e':
815: case 'E':
816: case 'w':
817: case 'W':
818: *new_key = 'f'|KEYC_ESCAPE;
819: return (1);
820: case 'p':
821: *new_key = '\031'; /* C-y */
1.202 nicm 822: return (1);
823: case 'q':
824: *new_key = '\003'; /* C-c */
1.155 nicm 825: return (1);
826: case 's':
827: case KEYC_DC:
828: case 'x':
829: *new_key = KEYC_DC;
830: return (1);
831: case KEYC_DOWN:
832: case 'j':
833: *new_key = KEYC_DOWN;
834: return (1);
835: case KEYC_LEFT:
836: case 'h':
837: *new_key = KEYC_LEFT;
838: return (1);
839: case 'a':
840: case KEYC_RIGHT:
841: case 'l':
842: *new_key = KEYC_RIGHT;
843: return (1);
844: case KEYC_UP:
845: case 'k':
846: *new_key = KEYC_UP;
847: return (1);
848: case '\010' /* C-h */:
849: case '\003' /* C-c */:
850: case '\n':
851: case '\r':
852: return (1);
853: }
854: return (0);
855: }
856:
1.199 nicm 857: /* Paste into prompt. */
858: static int
859: status_prompt_paste(struct client *c)
860: {
861: struct paste_buffer *pb;
862: const char *bufdata;
863: size_t size, n, bufsize;
864: u_int i;
865: struct utf8_data *ud, *udp;
866: enum utf8_state more;
867:
868: size = utf8_strlen(c->prompt_buffer);
869: if (c->prompt_saved != NULL) {
870: ud = c->prompt_saved;
871: n = utf8_strlen(c->prompt_saved);
872: } else {
873: if ((pb = paste_get_top(NULL)) == NULL)
874: return (0);
875: bufdata = paste_buffer_data(pb, &bufsize);
1.200 nicm 876: ud = xreallocarray(NULL, bufsize + 1, sizeof *ud);
1.199 nicm 877: udp = ud;
878: for (i = 0; i != bufsize; /* nothing */) {
879: more = utf8_open(udp, bufdata[i]);
880: if (more == UTF8_MORE) {
881: while (++i != bufsize && more == UTF8_MORE)
882: more = utf8_append(udp, bufdata[i]);
883: if (more == UTF8_DONE) {
884: udp++;
885: continue;
886: }
887: i -= udp->have;
888: }
889: if (bufdata[i] <= 31 || bufdata[i] >= 127)
890: break;
891: utf8_set(udp, bufdata[i]);
892: udp++;
893: i++;
894: }
895: udp->size = 0;
896: n = udp - ud;
897: }
898: if (n == 0)
899: return (0);
900:
901: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
902: sizeof *c->prompt_buffer);
903: if (c->prompt_index == size) {
904: memcpy(c->prompt_buffer + c->prompt_index, ud,
905: n * sizeof *c->prompt_buffer);
906: c->prompt_index += n;
907: c->prompt_buffer[c->prompt_index].size = 0;
908: } else {
909: memmove(c->prompt_buffer + c->prompt_index + n,
910: c->prompt_buffer + c->prompt_index,
911: (size + 1 - c->prompt_index) * sizeof *c->prompt_buffer);
912: memcpy(c->prompt_buffer + c->prompt_index, ud,
913: n * sizeof *c->prompt_buffer);
914: c->prompt_index += n;
915: }
916:
917: if (ud != c->prompt_saved)
918: free(ud);
919: return (1);
920: }
921:
1.1 nicm 922: /* Handle keys in prompt. */
1.154 nicm 923: int
1.138 nicm 924: status_prompt_key(struct client *c, key_code key)
1.1 nicm 925: {
1.152 nicm 926: struct options *oo = c->session->options;
1.158 nicm 927: char *s, *cp, word[64], prefix = '=';
1.201 nicm 928: const char *histstr, *ws = NULL, *keystring;
1.199 nicm 929: size_t size, n, off, idx, used;
1.152 nicm 930: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 931: int keys;
1.1 nicm 932:
1.201 nicm 933: if (c->prompt_flags & PROMPT_KEY) {
934: keystring = key_string_lookup_key(key);
935: c->prompt_inputcb(c, c->prompt_data, keystring, 1);
936: status_prompt_clear(c);
937: return (0);
938: }
1.152 nicm 939: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 940:
941: if (c->prompt_flags & PROMPT_NUMERIC) {
942: if (key >= '0' && key <= '9')
943: goto append_key;
944: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 945: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 946: status_prompt_clear(c);
947: free(s);
948: return (1);
949: }
1.180 nicm 950: key &= ~KEYC_XTERM;
1.154 nicm 951:
1.155 nicm 952: keys = options_get_number(c->session->options, "status-keys");
953: if (keys == MODEKEY_VI) {
954: switch (status_prompt_translate_key(c, key, &key)) {
955: case 1:
956: goto process_key;
957: case 2:
958: goto append_key;
959: default:
960: return (0);
961: }
962: }
963:
964: process_key:
965: switch (key) {
966: case KEYC_LEFT:
967: case '\002': /* C-b */
1.1 nicm 968: if (c->prompt_index > 0) {
969: c->prompt_index--;
1.158 nicm 970: break;
1.1 nicm 971: }
972: break;
1.155 nicm 973: case KEYC_RIGHT:
974: case '\006': /* C-f */
1.1 nicm 975: if (c->prompt_index < size) {
976: c->prompt_index++;
1.158 nicm 977: break;
1.1 nicm 978: }
979: break;
1.155 nicm 980: case KEYC_HOME:
981: case '\001': /* C-a */
1.1 nicm 982: if (c->prompt_index != 0) {
983: c->prompt_index = 0;
1.158 nicm 984: break;
1.1 nicm 985: }
986: break;
1.155 nicm 987: case KEYC_END:
988: case '\005': /* C-e */
1.1 nicm 989: if (c->prompt_index != size) {
990: c->prompt_index = size;
1.158 nicm 991: break;
1.1 nicm 992: }
993: break;
1.155 nicm 994: case '\011': /* Tab */
1.152 nicm 995: if (c->prompt_buffer[0].size == 0)
1.1 nicm 996: break;
997:
998: idx = c->prompt_index;
999: if (idx != 0)
1000: idx--;
1001:
1002: /* Find the word we are in. */
1.152 nicm 1003: first = &c->prompt_buffer[idx];
1004: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1005: first--;
1.152 nicm 1006: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1007: first++;
1.152 nicm 1008: last = &c->prompt_buffer[idx];
1009: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1010: last++;
1.152 nicm 1011: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1012: last--;
1.152 nicm 1013: if (last->size != 0)
1.1 nicm 1014: last++;
1.152 nicm 1015: if (last <= first)
1016: break;
1017:
1018: used = 0;
1019: for (ud = first; ud < last; ud++) {
1020: if (used + ud->size >= sizeof word)
1021: break;
1022: memcpy(word + used, ud->data, ud->size);
1023: used += ud->size;
1024: }
1025: if (ud != last)
1.1 nicm 1026: break;
1.152 nicm 1027: word[used] = '\0';
1.1 nicm 1028:
1029: /* And try to complete it. */
1.152 nicm 1030: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1031: break;
1032:
1033: /* Trim out word. */
1034: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1035: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1036: size -= last - first;
1037:
1038: /* Insert the new word. */
1.55 nicm 1039: size += strlen(s);
1.1 nicm 1040: off = first - c->prompt_buffer;
1.152 nicm 1041: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1042: sizeof *c->prompt_buffer);
1.1 nicm 1043: first = c->prompt_buffer + off;
1.152 nicm 1044: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1045: for (idx = 0; idx < strlen(s); idx++)
1046: utf8_set(&first[idx], s[idx]);
1.1 nicm 1047:
1048: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1049: free(s);
1.1 nicm 1050:
1.158 nicm 1051: goto changed;
1.155 nicm 1052: case KEYC_BSPACE:
1053: case '\010': /* C-h */
1.1 nicm 1054: if (c->prompt_index != 0) {
1055: if (c->prompt_index == size)
1.152 nicm 1056: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1057: else {
1058: memmove(c->prompt_buffer + c->prompt_index - 1,
1059: c->prompt_buffer + c->prompt_index,
1.152 nicm 1060: (size + 1 - c->prompt_index) *
1061: sizeof *c->prompt_buffer);
1.1 nicm 1062: c->prompt_index--;
1063: }
1.158 nicm 1064: goto changed;
1.1 nicm 1065: }
1066: break;
1.155 nicm 1067: case KEYC_DC:
1068: case '\004': /* C-d */
1.1 nicm 1069: if (c->prompt_index != size) {
1070: memmove(c->prompt_buffer + c->prompt_index,
1071: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1072: (size + 1 - c->prompt_index) *
1073: sizeof *c->prompt_buffer);
1.158 nicm 1074: goto changed;
1.18 nicm 1075: }
1.26 nicm 1076: break;
1.155 nicm 1077: case '\025': /* C-u */
1.152 nicm 1078: c->prompt_buffer[0].size = 0;
1.26 nicm 1079: c->prompt_index = 0;
1.158 nicm 1080: goto changed;
1.155 nicm 1081: case '\013': /* C-k */
1.18 nicm 1082: if (c->prompt_index < size) {
1.152 nicm 1083: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1084: goto changed;
1.1 nicm 1085: }
1086: break;
1.155 nicm 1087: case '\027': /* C-w */
1.152 nicm 1088: ws = options_get_string(oo, "word-separators");
1.81 nicm 1089: idx = c->prompt_index;
1090:
1091: /* Find a non-separator. */
1092: while (idx != 0) {
1093: idx--;
1.152 nicm 1094: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1095: break;
1096: }
1097:
1098: /* Find the separator at the beginning of the word. */
1099: while (idx != 0) {
1100: idx--;
1.152 nicm 1101: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1102: /* Go back to the word. */
1103: idx++;
1104: break;
1105: }
1106: }
1107:
1.181 nicm 1108: free(c->prompt_saved);
1109: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1110: (c->prompt_index - idx) + 1);
1111: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1112: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1113:
1.81 nicm 1114: memmove(c->prompt_buffer + idx,
1115: c->prompt_buffer + c->prompt_index,
1.152 nicm 1116: (size + 1 - c->prompt_index) *
1117: sizeof *c->prompt_buffer);
1.81 nicm 1118: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1119: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1120: c->prompt_index = idx;
1.152 nicm 1121:
1.158 nicm 1122: goto changed;
1.155 nicm 1123: case 'f'|KEYC_ESCAPE:
1.180 nicm 1124: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1125: ws = options_get_string(oo, "word-separators");
1.81 nicm 1126:
1127: /* Find a word. */
1128: while (c->prompt_index != size) {
1.152 nicm 1129: idx = ++c->prompt_index;
1130: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1131: break;
1132: }
1133:
1134: /* Find the separator at the end of the word. */
1135: while (c->prompt_index != size) {
1.152 nicm 1136: idx = ++c->prompt_index;
1137: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1138: break;
1139: }
1.106 nicm 1140:
1141: /* Back up to the end-of-word like vi. */
1142: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1143: c->prompt_index != 0)
1144: c->prompt_index--;
1.81 nicm 1145:
1.158 nicm 1146: goto changed;
1.155 nicm 1147: case 'b'|KEYC_ESCAPE:
1.180 nicm 1148: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1149: ws = options_get_string(oo, "word-separators");
1.81 nicm 1150:
1151: /* Find a non-separator. */
1152: while (c->prompt_index != 0) {
1.152 nicm 1153: idx = --c->prompt_index;
1154: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1155: break;
1156: }
1157:
1158: /* Find the separator at the beginning of the word. */
1159: while (c->prompt_index != 0) {
1.152 nicm 1160: idx = --c->prompt_index;
1161: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1162: /* Go back to the word. */
1163: c->prompt_index++;
1164: break;
1165: }
1166: }
1.158 nicm 1167: goto changed;
1.155 nicm 1168: case KEYC_UP:
1169: case '\020': /* C-p */
1.66 nicm 1170: histstr = status_prompt_up_history(&c->prompt_hindex);
1171: if (histstr == NULL)
1.1 nicm 1172: break;
1.94 nicm 1173: free(c->prompt_buffer);
1.152 nicm 1174: c->prompt_buffer = utf8_fromcstr(histstr);
1175: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1176: goto changed;
1.155 nicm 1177: case KEYC_DOWN:
1178: case '\016': /* C-n */
1.66 nicm 1179: histstr = status_prompt_down_history(&c->prompt_hindex);
1180: if (histstr == NULL)
1.65 nicm 1181: break;
1.94 nicm 1182: free(c->prompt_buffer);
1.152 nicm 1183: c->prompt_buffer = utf8_fromcstr(histstr);
1184: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1185: goto changed;
1.155 nicm 1186: case '\031': /* C-y */
1.199 nicm 1187: if (status_prompt_paste(c))
1188: goto changed;
1189: break;
1.155 nicm 1190: case '\024': /* C-t */
1.30 nicm 1191: idx = c->prompt_index;
1192: if (idx < size)
1193: idx++;
1194: if (idx >= 2) {
1.152 nicm 1195: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1196: utf8_copy(&c->prompt_buffer[idx - 2],
1197: &c->prompt_buffer[idx - 1]);
1198: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1199: c->prompt_index = idx;
1.158 nicm 1200: goto changed;
1.30 nicm 1201: }
1.1 nicm 1202: break;
1.155 nicm 1203: case '\r':
1204: case '\n':
1.152 nicm 1205: s = utf8_tocstr(c->prompt_buffer);
1206: if (*s != '\0')
1207: status_prompt_add_history(s);
1.166 nicm 1208: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1209: status_prompt_clear(c);
1.152 nicm 1210: free(s);
1.25 nicm 1211: break;
1.155 nicm 1212: case '\033': /* Escape */
1213: case '\003': /* C-c */
1.174 nicm 1214: case '\007': /* C-g */
1.166 nicm 1215: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1216: status_prompt_clear(c);
1217: break;
1.158 nicm 1218: case '\022': /* C-r */
1219: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1220: prefix = '-';
1221: goto changed;
1222: }
1223: break;
1224: case '\023': /* C-s */
1225: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1226: prefix = '+';
1227: goto changed;
1228: }
1229: break;
1230: default:
1231: goto append_key;
1.154 nicm 1232: }
1.152 nicm 1233:
1.177 nicm 1234: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1235: return (0);
1236:
1.154 nicm 1237: append_key:
1238: if (key <= 0x1f || key >= KEYC_BASE)
1239: return (0);
1240: if (utf8_split(key, &tmp) != UTF8_DONE)
1241: return (0);
1.1 nicm 1242:
1.154 nicm 1243: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1244: sizeof *c->prompt_buffer);
1.1 nicm 1245:
1.154 nicm 1246: if (c->prompt_index == size) {
1247: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1248: c->prompt_index++;
1249: c->prompt_buffer[c->prompt_index].size = 0;
1250: } else {
1251: memmove(c->prompt_buffer + c->prompt_index + 1,
1252: c->prompt_buffer + c->prompt_index,
1253: (size + 1 - c->prompt_index) *
1254: sizeof *c->prompt_buffer);
1255: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1256: c->prompt_index++;
1257: }
1.1 nicm 1258:
1.154 nicm 1259: if (c->prompt_flags & PROMPT_SINGLE) {
1260: s = utf8_tocstr(c->prompt_buffer);
1261: if (strlen(s) != 1)
1262: status_prompt_clear(c);
1.166 nicm 1263: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1264: status_prompt_clear(c);
1265: free(s);
1.1 nicm 1266: }
1.154 nicm 1267:
1.158 nicm 1268: changed:
1.177 nicm 1269: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1270: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1271: s = utf8_tocstr(c->prompt_buffer);
1272: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1273: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1274: free(cp);
1275: free(s);
1276: }
1.154 nicm 1277: return (0);
1.1 nicm 1278: }
1279:
1.65 nicm 1280: /* Get previous line from the history. */
1.151 nicm 1281: static const char *
1.65 nicm 1282: status_prompt_up_history(u_int *idx)
1283: {
1284: /*
1.128 nicm 1285: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1286: * empty.
1.65 nicm 1287: */
1288:
1.128 nicm 1289: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1290: return (NULL);
1291: (*idx)++;
1.128 nicm 1292: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1293: }
1294:
1295: /* Get next line from the history. */
1.151 nicm 1296: static const char *
1.65 nicm 1297: status_prompt_down_history(u_int *idx)
1298: {
1.128 nicm 1299: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1300: return ("");
1301: (*idx)--;
1302: if (*idx == 0)
1303: return ("");
1.128 nicm 1304: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1305: }
1306:
1.1 nicm 1307: /* Add line to the history. */
1.151 nicm 1308: static void
1.65 nicm 1309: status_prompt_add_history(const char *line)
1.1 nicm 1310: {
1.128 nicm 1311: size_t size;
1.65 nicm 1312:
1.128 nicm 1313: if (status_prompt_hsize > 0 &&
1314: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1315: return;
1316:
1.128 nicm 1317: if (status_prompt_hsize == PROMPT_HISTORY) {
1318: free(status_prompt_hlist[0]);
1.1 nicm 1319:
1.128 nicm 1320: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1321: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1322:
1.128 nicm 1323: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1324: return;
1325: }
1.1 nicm 1326:
1.128 nicm 1327: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1328: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1329: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1330: }
1331:
1332: /* Build completion list. */
1.183 nicm 1333: char **
1.128 nicm 1334: status_prompt_complete_list(u_int *size, const char *s)
1335: {
1.183 nicm 1336: char **list = NULL;
1337: const char **layout, *value, *cp;
1.128 nicm 1338: const struct cmd_entry **cmdent;
1339: const struct options_table_entry *oe;
1.191 nicm 1340: u_int idx;
1.183 nicm 1341: size_t slen = strlen(s), valuelen;
1342: struct options_entry *o;
1.191 nicm 1343: struct options_array_item *a;
1.128 nicm 1344: const char *layouts[] = {
1345: "even-horizontal", "even-vertical", "main-horizontal",
1346: "main-vertical", "tiled", NULL
1347: };
1.1 nicm 1348:
1.128 nicm 1349: *size = 0;
1.1 nicm 1350: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1351: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1352: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1353: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1354: }
1.56 nicm 1355: }
1.142 nicm 1356: for (oe = options_table; oe->name != NULL; oe++) {
1.183 nicm 1357: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1358: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1359: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1360: }
1361: }
1362: for (layout = layouts; *layout != NULL; layout++) {
1.183 nicm 1363: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1364: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1365: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1366: }
1367: }
1.183 nicm 1368: o = options_get_only(global_options, "command-alias");
1.191 nicm 1369: if (o != NULL) {
1370: a = options_array_first(o);
1371: while (a != NULL) {
1.195 nicm 1372: value = options_array_item_value(a)->string;
1.194 nicm 1373: if ((cp = strchr(value, '=')) == NULL)
1.196 nicm 1374: goto next;
1.183 nicm 1375: valuelen = cp - value;
1376: if (slen > valuelen || strncmp(value, s, slen) != 0)
1.191 nicm 1377: goto next;
1378:
1.183 nicm 1379: list = xreallocarray(list, (*size) + 1, sizeof *list);
1380: list[(*size)++] = xstrndup(value, valuelen);
1.191 nicm 1381:
1382: next:
1383: a = options_array_next(a);
1.183 nicm 1384: }
1385: }
1386: for (idx = 0; idx < (*size); idx++)
1387: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1388: return (list);
1389: }
1390:
1391: /* Find longest prefix. */
1.151 nicm 1392: static char *
1.183 nicm 1393: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1394: {
1395: char *out;
1396: u_int i;
1397: size_t j;
1398:
1399: out = xstrdup(list[0]);
1400: for (i = 1; i < size; i++) {
1401: j = strlen(list[i]);
1402: if (j > strlen(out))
1403: j = strlen(out);
1404: for (; j > 0; j--) {
1405: if (out[j - 1] != list[i][j - 1])
1406: out[j - 1] = '\0';
1407: }
1.1 nicm 1408: }
1.128 nicm 1409: return (out);
1410: }
1.1 nicm 1411:
1.128 nicm 1412: /* Complete word. */
1.151 nicm 1413: static char *
1.152 nicm 1414: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1415: {
1.183 nicm 1416: char **list = NULL;
1417: const char *colon;
1.128 nicm 1418: u_int size = 0, i;
1419: struct session *s_loop;
1420: struct winlink *wl;
1421: struct window *w;
1422: char *copy, *out, *tmp;
1423:
1424: if (*s == '\0')
1.1 nicm 1425: return (NULL);
1.128 nicm 1426: out = NULL;
1427:
1428: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1429: list = status_prompt_complete_list(&size, s);
1430: if (size == 0)
1431: out = NULL;
1432: else if (size == 1)
1433: xasprintf(&out, "%s ", list[0]);
1434: else
1435: out = status_prompt_complete_prefix(list, size);
1.183 nicm 1436: for (i = 0; i < size; i++)
1437: free(list[i]);
1.128 nicm 1438: free(list);
1439: return (out);
1440: }
1441: copy = xstrdup(s);
1442:
1443: colon = ":";
1444: if (copy[strlen(copy) - 1] == ':')
1445: copy[strlen(copy) - 1] = '\0';
1446: else
1447: colon = "";
1448: s = copy + 2;
1.1 nicm 1449:
1.128 nicm 1450: RB_FOREACH(s_loop, sessions, &sessions) {
1451: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1452: list = xreallocarray(list, size + 2, sizeof *list);
1453: list[size++] = s_loop->name;
1454: }
1455: }
1456: if (size == 1) {
1457: out = xstrdup(list[0]);
1458: if (session_find(list[0]) != NULL)
1459: colon = ":";
1460: } else if (size != 0)
1461: out = status_prompt_complete_prefix(list, size);
1462: if (out != NULL) {
1463: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1464: free(out);
1.128 nicm 1465: out = tmp;
1466: goto found;
1467: }
1468:
1469: colon = "";
1470: if (*s == ':') {
1.152 nicm 1471: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1472: xasprintf(&tmp, ":%s", wl->window->name);
1473: if (strncmp(tmp, s, strlen(s)) == 0){
1474: list = xreallocarray(list, size + 1,
1475: sizeof *list);
1476: list[size++] = tmp;
1477: continue;
1478: }
1479: free(tmp);
1.1 nicm 1480:
1.128 nicm 1481: xasprintf(&tmp, ":%d", wl->idx);
1482: if (strncmp(tmp, s, strlen(s)) == 0) {
1483: list = xreallocarray(list, size + 1,
1484: sizeof *list);
1485: list[size++] = tmp;
1486: continue;
1487: }
1488: free(tmp);
1489: }
1490: } else {
1491: RB_FOREACH(s_loop, sessions, &sessions) {
1492: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1493: w = wl->window;
1494:
1495: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1496: if (strncmp(tmp, s, strlen(s)) == 0) {
1497: list = xreallocarray(list, size + 1,
1498: sizeof *list);
1499: list[size++] = tmp;
1500: continue;
1501: }
1502: free(tmp);
1503:
1504: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1505: if (strncmp(tmp, s, strlen(s)) == 0) {
1506: list = xreallocarray(list, size + 1,
1507: sizeof *list);
1508: list[size++] = tmp;
1509: continue;
1510: }
1511: free(tmp);
1512: }
1.1 nicm 1513: }
1514: }
1.128 nicm 1515: if (size == 1) {
1516: out = xstrdup(list[0]);
1517: colon = " ";
1518: } else if (size != 0)
1519: out = status_prompt_complete_prefix(list, size);
1520: if (out != NULL) {
1521: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1522: out = tmp;
1523: }
1524:
1525: for (i = 0; i < size; i++)
1526: free((void *)list[i]);
1527:
1528: found:
1529: free(copy);
1530: free(list);
1531: return (out);
1.1 nicm 1532: }
![[BACK]](/icons/back.gif){kind=icon}
Return to status.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux