Annotation of src/usr.bin/tmux/status.c, Revision 1.220
1.220 ! nicm 1: /* $OpenBSD: status.c,v 1.219 2021/01/08 08:22:10 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:
1.204 nicm 40: static char *status_prompt_complete(struct client *, const char *, u_int);
1.205 nicm 41: static char *status_prompt_complete_window_menu(struct client *,
1.206 nicm 42: struct session *, const char *, u_int, char);
1.204 nicm 43:
44: struct status_prompt_menu {
45: struct client *c;
46: u_int start;
47: u_int size;
48: char **list;
49: char flag;
50: };
1.130 nicm 51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
1.151 nicm 54: static char **status_prompt_hlist;
55: static u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
1.151 nicm 58: static char *
1.130 nicm 59: status_prompt_find_history_file(void)
60: {
61: const char *home, *history_file;
62: char *path;
63:
1.137 nicm 64: history_file = options_get_string(global_options, "history-file");
1.130 nicm 65: if (*history_file == '\0')
66: return (NULL);
67: if (*history_file == '/')
68: return (xstrdup(history_file));
69:
70: if (history_file[0] != '~' || history_file[1] != '/')
71: return (NULL);
72: if ((home = find_home()) == NULL)
73: return (NULL);
74: xasprintf(&path, "%s%s", home, history_file + 1);
75: return (path);
76: }
77:
78: /* Load status prompt history from file. */
79: void
80: status_prompt_load_history(void)
81: {
82: FILE *f;
83: char *history_file, *line, *tmp;
84: size_t length;
85:
86: if ((history_file = status_prompt_find_history_file()) == NULL)
87: return;
88: log_debug("loading history from %s", history_file);
89:
90: f = fopen(history_file, "r");
91: if (f == NULL) {
92: log_debug("%s: %s", history_file, strerror(errno));
93: free(history_file);
94: return;
95: }
96: free(history_file);
97:
98: for (;;) {
99: if ((line = fgetln(f, &length)) == NULL)
100: break;
101:
102: if (length > 0) {
103: if (line[length - 1] == '\n') {
104: line[length - 1] = '\0';
105: status_prompt_add_history(line);
106: } else {
107: tmp = xmalloc(length + 1);
108: memcpy(tmp, line, length);
109: tmp[length] = '\0';
110: status_prompt_add_history(tmp);
111: free(tmp);
112: }
113: }
114: }
115: fclose(f);
116: }
117:
118: /* Save status prompt history to file. */
119: void
120: status_prompt_save_history(void)
121: {
122: FILE *f;
123: u_int i;
124: char *history_file;
125:
126: if ((history_file = status_prompt_find_history_file()) == NULL)
127: return;
128: log_debug("saving history to %s", history_file);
129:
130: f = fopen(history_file, "w");
131: if (f == NULL) {
132: log_debug("%s: %s", history_file, strerror(errno));
133: free(history_file);
134: return;
135: }
136: free(history_file);
137:
138: for (i = 0; i < status_prompt_hsize; i++) {
139: fputs(status_prompt_hlist[i], f);
140: fputc('\n', f);
141: }
142: fclose(f);
143:
1.87 nicm 144: }
145:
1.133 nicm 146: /* Status timer callback. */
1.151 nicm 147: static void
1.141 nicm 148: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 149: {
150: struct client *c = arg;
151: struct session *s = c->session;
152: struct timeval tv;
153:
1.175 nicm 154: evtimer_del(&c->status.timer);
1.133 nicm 155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
1.177 nicm 160: c->flags |= CLIENT_REDRAWSTATUS;
1.133 nicm 161:
162: timerclear(&tv);
1.137 nicm 163: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 164:
165: if (tv.tv_sec != 0)
1.175 nicm 166: evtimer_add(&c->status.timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
1.175 nicm 176: if (event_initialized(&c->status.timer))
177: evtimer_del(&c->status.timer);
1.133 nicm 178: else
1.175 nicm 179: evtimer_set(&c->status.timer, status_timer_callback, c);
1.133 nicm 180:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.161 nicm 195: /* Update status cache. */
196: void
1.187 nicm 197: status_update_cache(struct session *s)
1.161 nicm 198: {
1.192 nicm 199: s->statuslines = options_get_number(s->options, "status");
200: if (s->statuslines == 0)
1.161 nicm 201: s->statusat = -1;
202: else if (options_get_number(s->options, "status-position") == 0)
203: s->statusat = 0;
204: else
205: s->statusat = 1;
206: }
207:
1.87 nicm 208: /* Get screen line of status line. -1 means off. */
209: int
210: status_at_line(struct client *c)
211: {
212: struct session *s = c->session;
213:
1.198 nicm 214: if (c->flags & (CLIENT_STATUSOFF|CLIENT_CONTROL))
1.169 nicm 215: return (-1);
1.161 nicm 216: if (s->statusat != 1)
217: return (s->statusat);
1.182 nicm 218: return (c->tty.sy - status_line_size(c));
1.169 nicm 219: }
220:
1.182 nicm 221: /* Get size of status line for client's session. 0 means off. */
1.169 nicm 222: u_int
1.182 nicm 223: status_line_size(struct client *c)
1.169 nicm 224: {
1.182 nicm 225: struct session *s = c->session;
226:
1.198 nicm 227: if (c->flags & (CLIENT_STATUSOFF|CLIENT_CONTROL))
1.182 nicm 228: return (0);
1.192 nicm 229: return (s->statuslines);
1.71 nicm 230: }
231:
1.192 nicm 232: /* Get window at window list position. */
233: struct style_range *
234: status_get_range(struct client *c, u_int x, u_int y)
1.48 nicm 235: {
1.192 nicm 236: struct status_line *sl = &c->status;
237: struct style_range *sr;
1.48 nicm 238:
1.192 nicm 239: if (y >= nitems(sl->entries))
240: return (NULL);
241: TAILQ_FOREACH(sr, &sl->entries[y].ranges, entry) {
242: if (x >= sr->start && x < sr->end)
243: return (sr);
244: }
245: return (NULL);
1.48 nicm 246: }
247:
1.192 nicm 248: /* Free all ranges. */
249: static void
250: status_free_ranges(struct style_ranges *srs)
1.48 nicm 251: {
1.192 nicm 252: struct style_range *sr, *sr1;
1.48 nicm 253:
1.192 nicm 254: TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) {
255: TAILQ_REMOVE(srs, sr, entry);
256: free(sr);
1.73 nicm 257: }
258: }
259:
1.189 nicm 260: /* Save old status line. */
261: static void
262: status_push_screen(struct client *c)
263: {
264: struct status_line *sl = &c->status;
265:
266: if (sl->active == &sl->screen) {
267: sl->active = xmalloc(sizeof *sl->active);
268: screen_init(sl->active, c->tty.sx, status_line_size(c), 0);
269: }
270: sl->references++;
271: }
272:
273: /* Restore old status line. */
274: static void
275: status_pop_screen(struct client *c)
276: {
277: struct status_line *sl = &c->status;
278:
279: if (--sl->references == 0) {
280: screen_free(sl->active);
281: free(sl->active);
282: sl->active = &sl->screen;
283: }
284: }
285:
1.187 nicm 286: /* Initialize status line. */
287: void
288: status_init(struct client *c)
289: {
290: struct status_line *sl = &c->status;
1.192 nicm 291: u_int i;
292:
293: for (i = 0; i < nitems(sl->entries); i++)
294: TAILQ_INIT(&sl->entries[i].ranges);
1.187 nicm 295:
296: screen_init(&sl->screen, c->tty.sx, 1, 0);
1.189 nicm 297: sl->active = &sl->screen;
1.187 nicm 298: }
299:
1.186 nicm 300: /* Free status line. */
301: void
302: status_free(struct client *c)
303: {
304: struct status_line *sl = &c->status;
1.192 nicm 305: u_int i;
306:
307: for (i = 0; i < nitems(sl->entries); i++) {
308: status_free_ranges(&sl->entries[i].ranges);
309: free((void *)sl->entries[i].expanded);
310: }
1.186 nicm 311:
312: if (event_initialized(&sl->timer))
313: evtimer_del(&sl->timer);
314:
1.189 nicm 315: if (sl->active != &sl->screen) {
316: screen_free(sl->active);
317: free(sl->active);
318: }
1.187 nicm 319: screen_free(&sl->screen);
1.186 nicm 320: }
321:
322: /* Draw status line for client. */
1.1 nicm 323: int
324: status_redraw(struct client *c)
325: {
1.192 nicm 326: struct status_line *sl = &c->status;
327: struct status_line_entry *sle;
328: struct session *s = c->session;
329: struct screen_write_ctx ctx;
330: struct grid_cell gc;
1.197 nicm 331: u_int lines, i, n, width = c->tty.sx;
1.203 nicm 332: int flags, force = 0, changed = 0, fg, bg;
1.192 nicm 333: struct options_entry *o;
1.193 nicm 334: union options_value *ov;
1.192 nicm 335: struct format_tree *ft;
336: char *expanded;
337:
338: log_debug("%s enter", __func__);
1.1 nicm 339:
1.189 nicm 340: /* Shouldn't get here if not the active screen. */
341: if (sl->active != &sl->screen)
342: fatalx("not the active screen");
1.167 nicm 343:
1.49 nicm 344: /* No status line? */
1.182 nicm 345: lines = status_line_size(c);
1.169 nicm 346: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 347: return (1);
1.1 nicm 348:
1.207 nicm 349: /* Create format tree. */
350: flags = FORMAT_STATUS;
351: if (c->flags & CLIENT_STATUSFORCE)
352: flags |= FORMAT_FORCE;
353: ft = format_create(c, NULL, FORMAT_NONE, flags);
354: format_defaults(ft, c, NULL, NULL, NULL);
355:
1.48 nicm 356: /* Set up default colour. */
1.207 nicm 357: style_apply(&gc, s->options, "status-style", ft);
1.203 nicm 358: fg = options_get_number(s->options, "status-fg");
359: if (fg != 8)
360: gc.fg = fg;
361: bg = options_get_number(s->options, "status-bg");
362: if (bg != 8)
363: gc.bg = bg;
1.192 nicm 364: if (!grid_cells_equal(&gc, &sl->style)) {
365: force = 1;
366: memcpy(&sl->style, &gc, sizeof sl->style);
367: }
368:
369: /* Resize the target screen. */
370: if (screen_size_x(&sl->screen) != width ||
371: screen_size_y(&sl->screen) != lines) {
372: screen_resize(&sl->screen, width, lines, 0);
1.200 nicm 373: changed = force = 1;
1.1 nicm 374: }
1.208 nicm 375: screen_write_start(&ctx, &sl->screen);
1.1 nicm 376:
1.192 nicm 377: /* Write the status lines. */
378: o = options_get(s->options, "status-format");
1.197 nicm 379: if (o == NULL) {
380: for (n = 0; n < width * lines; n++)
381: screen_write_putc(&ctx, &gc, ' ');
382: } else {
1.192 nicm 383: for (i = 0; i < lines; i++) {
384: screen_write_cursormove(&ctx, 0, i, 0);
385:
1.193 nicm 386: ov = options_array_get(o, i);
387: if (ov == NULL) {
1.197 nicm 388: for (n = 0; n < width; n++)
389: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 390: continue;
391: }
392: sle = &sl->entries[i];
1.1 nicm 393:
1.193 nicm 394: expanded = format_expand_time(ft, ov->string);
1.192 nicm 395: if (!force &&
396: sle->expanded != NULL &&
397: strcmp(expanded, sle->expanded) == 0) {
398: free(expanded);
399: continue;
400: }
401: changed = 1;
1.1 nicm 402:
1.197 nicm 403: for (n = 0; n < width; n++)
404: screen_write_putc(&ctx, &gc, ' ');
405: screen_write_cursormove(&ctx, 0, i, 0);
406:
1.192 nicm 407: status_free_ranges(&sle->ranges);
408: format_draw(&ctx, &gc, width, expanded, &sle->ranges);
1.1 nicm 409:
1.192 nicm 410: free(sle->expanded);
411: sle->expanded = expanded;
1.48 nicm 412: }
413: }
414: screen_write_stop(&ctx);
1.1 nicm 415:
1.192 nicm 416: /* Free the format tree. */
1.99 nicm 417: format_free(ft);
1.1 nicm 418:
1.192 nicm 419: /* Return if the status line has changed. */
420: log_debug("%s exit: force=%d, changed=%d", __func__, force, changed);
421: return (force || changed);
1.1 nicm 422: }
423:
1.46 nicm 424: /* Set a status line message. */
1.117 nicm 425: void
1.218 nicm 426: status_message_set(struct client *c, int delay, int ignore_styles,
427: const char *fmt, ...)
1.1 nicm 428: {
1.162 nicm 429: struct timeval tv;
430: va_list ap;
1.1 nicm 431:
1.12 nicm 432: status_message_clear(c);
1.189 nicm 433: status_push_screen(c);
1.167 nicm 434:
1.28 nicm 435: va_start(ap, fmt);
1.210 nicm 436: c->message_ignore_styles = ignore_styles;
1.28 nicm 437: xvasprintf(&c->message_string, fmt, ap);
438: va_end(ap);
439:
1.209 nicm 440: server_add_message("%s message: %s", c->name, c->message_string);
1.44 nicm 441:
1.218 nicm 442: /*
443: * With delay -1, the display-time option is used; zero means wait for
444: * key press; more than zero is the actual delay time in milliseconds.
445: */
446: if (delay == -1)
447: delay = options_get_number(c->session->options, "display-time");
1.143 tim 448: if (delay > 0) {
449: tv.tv_sec = delay / 1000;
450: tv.tv_usec = (delay % 1000) * 1000L;
451:
452: if (event_initialized(&c->message_timer))
453: evtimer_del(&c->message_timer);
454: evtimer_set(&c->message_timer, status_message_callback, c);
1.218 nicm 455:
1.143 tim 456: evtimer_add(&c->message_timer, &tv);
457: }
1.1 nicm 458:
459: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 460: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 461: }
462:
1.46 nicm 463: /* Clear status line message. */
1.1 nicm 464: void
465: status_message_clear(struct client *c)
466: {
467: if (c->message_string == NULL)
468: return;
469:
1.94 nicm 470: free(c->message_string);
1.1 nicm 471: c->message_string = NULL;
472:
1.156 nicm 473: if (c->prompt_string == NULL)
474: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 475: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 476:
1.189 nicm 477: status_pop_screen(c);
1.42 nicm 478: }
479:
1.46 nicm 480: /* Clear status line message after timer expires. */
1.151 nicm 481: static void
1.141 nicm 482: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 483: {
484: struct client *c = data;
485:
486: status_message_clear(c);
1.1 nicm 487: }
488:
489: /* Draw client message on status line of present else on last line. */
490: int
491: status_message_redraw(struct client *c)
492: {
1.189 nicm 493: struct status_line *sl = &c->status;
494: struct screen_write_ctx ctx;
495: struct session *s = c->session;
496: struct screen old_screen;
497: size_t len;
498: u_int lines, offset;
499: struct grid_cell gc;
1.207 nicm 500: struct format_tree *ft;
1.1 nicm 501:
502: if (c->tty.sx == 0 || c->tty.sy == 0)
503: return (0);
1.189 nicm 504: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 505:
1.182 nicm 506: lines = status_line_size(c);
1.189 nicm 507: if (lines <= 1)
1.173 nicm 508: lines = 1;
1.190 nicm 509: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 510:
1.139 nicm 511: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 512: if (len > c->tty.sx)
513: len = c->tty.sx;
514:
1.207 nicm 515: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
516: style_apply(&gc, s->options, "message-style", ft);
517: format_free(ft);
1.1 nicm 518:
1.208 nicm 519: screen_write_start(&ctx, sl->active);
1.192 nicm 520: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
521: screen_write_cursormove(&ctx, 0, lines - 1, 0);
522: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 523: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 524: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.210 nicm 525: if (c->message_ignore_styles)
526: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
527: else
528: format_draw(&ctx, &gc, c->tty.sx, c->message_string, NULL);
1.1 nicm 529: screen_write_stop(&ctx);
530:
1.189 nicm 531: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
532: screen_free(&old_screen);
1.1 nicm 533: return (0);
534: }
1.189 nicm 535: screen_free(&old_screen);
1.1 nicm 536: return (1);
537: }
538:
1.46 nicm 539: /* Enable status line prompt. */
1.1 nicm 540: void
1.211 nicm 541: status_prompt_set(struct client *c, struct cmd_find_state *fs,
542: const char *msg, const char *input, prompt_input_cb inputcb,
543: prompt_free_cb freecb, void *data, int flags)
1.1 nicm 544: {
1.122 nicm 545: struct format_tree *ft;
1.219 nicm 546: char *tmp;
1.122 nicm 547:
1.211 nicm 548: if (fs != NULL)
549: ft = format_create_from_state(NULL, c, fs);
550: else
551: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
1.152 nicm 552:
1.168 nicm 553: if (input == NULL)
554: input = "";
555: if (flags & PROMPT_NOFORMAT)
556: tmp = xstrdup(input);
557: else
1.185 nicm 558: tmp = format_expand_time(ft, input);
1.20 nicm 559:
1.12 nicm 560: status_message_clear(c);
561: status_prompt_clear(c);
1.189 nicm 562: status_push_screen(c);
1.12 nicm 563:
1.185 nicm 564: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 565:
1.219 nicm 566: if (flags & PROMPT_INCREMENTAL) {
567: c->prompt_last = xstrdup(tmp);
568: c->prompt_buffer = utf8_fromcstr("");
569: } else {
570: c->prompt_last = NULL;
571: c->prompt_buffer = utf8_fromcstr(tmp);
572: }
1.152 nicm 573: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 574:
1.166 nicm 575: c->prompt_inputcb = inputcb;
576: c->prompt_freecb = freecb;
1.1 nicm 577: c->prompt_data = data;
578:
579: c->prompt_hindex = 0;
580:
581: c->prompt_flags = flags;
1.155 nicm 582: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 583:
1.158 nicm 584: if (~flags & PROMPT_INCREMENTAL)
585: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 586: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 587:
1.219 nicm 588: if (flags & PROMPT_INCREMENTAL)
589: c->prompt_inputcb(c, c->prompt_data, "=", 0);
1.122 nicm 590:
1.152 nicm 591: free(tmp);
1.122 nicm 592: format_free(ft);
1.1 nicm 593: }
594:
1.46 nicm 595: /* Remove status line prompt. */
1.1 nicm 596: void
597: status_prompt_clear(struct client *c)
598: {
1.55 nicm 599: if (c->prompt_string == NULL)
1.1 nicm 600: return;
601:
1.166 nicm 602: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
603: c->prompt_freecb(c->prompt_data);
1.1 nicm 604:
1.219 nicm 605: free(c->prompt_last);
606: c->prompt_last = NULL;
607:
1.94 nicm 608: free(c->prompt_string);
1.1 nicm 609: c->prompt_string = NULL;
610:
1.94 nicm 611: free(c->prompt_buffer);
1.1 nicm 612: c->prompt_buffer = NULL;
613:
1.181 nicm 614: free(c->prompt_saved);
615: c->prompt_saved = NULL;
616:
1.1 nicm 617: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 618: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 619:
1.189 nicm 620: status_pop_screen(c);
1.27 nicm 621: }
622:
1.46 nicm 623: /* Update status line prompt with a new prompt string. */
1.27 nicm 624: void
1.76 nicm 625: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 626: {
1.122 nicm 627: struct format_tree *ft;
1.152 nicm 628: char *tmp;
1.122 nicm 629:
1.164 nicm 630: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 631: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 632:
1.185 nicm 633: tmp = format_expand_time(ft, input);
1.122 nicm 634:
1.94 nicm 635: free(c->prompt_string);
1.185 nicm 636: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 637:
1.94 nicm 638: free(c->prompt_buffer);
1.152 nicm 639: c->prompt_buffer = utf8_fromcstr(tmp);
640: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 641:
642: c->prompt_hindex = 0;
643:
1.177 nicm 644: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 645:
1.152 nicm 646: free(tmp);
1.122 nicm 647: format_free(ft);
1.1 nicm 648: }
649:
650: /* Draw client prompt on status line of present else on last line. */
651: int
652: status_prompt_redraw(struct client *c)
653: {
1.189 nicm 654: struct status_line *sl = &c->status;
1.152 nicm 655: struct screen_write_ctx ctx;
656: struct session *s = c->session;
1.189 nicm 657: struct screen old_screen;
658: u_int i, lines, offset, left, start, width;
659: u_int pcursor, pwidth;
1.152 nicm 660: struct grid_cell gc, cursorgc;
1.207 nicm 661: struct format_tree *ft;
1.1 nicm 662:
663: if (c->tty.sx == 0 || c->tty.sy == 0)
664: return (0);
1.189 nicm 665: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 666:
1.182 nicm 667: lines = status_line_size(c);
1.189 nicm 668: if (lines <= 1)
1.173 nicm 669: lines = 1;
1.189 nicm 670: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 671:
1.207 nicm 672: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
1.155 nicm 673: if (c->prompt_mode == PROMPT_COMMAND)
1.207 nicm 674: style_apply(&gc, s->options, "message-command-style", ft);
1.108 nicm 675: else
1.207 nicm 676: style_apply(&gc, s->options, "message-style", ft);
677: format_free(ft);
1.1 nicm 678:
1.152 nicm 679: memcpy(&cursorgc, &gc, sizeof cursorgc);
680: cursorgc.attr ^= GRID_ATTR_REVERSE;
681:
682: start = screen_write_strlen("%s", c->prompt_string);
683: if (start > c->tty.sx)
684: start = c->tty.sx;
685:
1.208 nicm 686: screen_write_start(&ctx, sl->active);
1.192 nicm 687: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
688: screen_write_cursormove(&ctx, 0, lines - 1, 0);
689: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 690: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 691: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.152 nicm 692: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.192 nicm 693: screen_write_cursormove(&ctx, start, lines - 1, 0);
1.1 nicm 694:
1.152 nicm 695: left = c->tty.sx - start;
696: if (left == 0)
697: goto finished;
698:
699: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
700: pwidth = utf8_strwidth(c->prompt_buffer, -1);
701: if (pcursor >= left) {
702: /*
703: * The cursor would be outside the screen so start drawing
704: * with it on the right.
705: */
706: offset = (pcursor - left) + 1;
707: pwidth = left;
708: } else
709: offset = 0;
710: if (pwidth > left)
711: pwidth = left;
712:
713: width = 0;
714: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
715: if (width < offset) {
716: width += c->prompt_buffer[i].width;
717: continue;
1.1 nicm 718: }
1.152 nicm 719: if (width >= offset + pwidth)
720: break;
721: width += c->prompt_buffer[i].width;
722: if (width > offset + pwidth)
723: break;
1.1 nicm 724:
1.152 nicm 725: if (i != c->prompt_index) {
726: utf8_copy(&gc.data, &c->prompt_buffer[i]);
727: screen_write_cell(&ctx, &gc);
728: } else {
729: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
730: screen_write_cell(&ctx, &cursorgc);
731: }
1.1 nicm 732: }
1.189 nicm 733: if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i)
1.152 nicm 734: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 735:
1.152 nicm 736: finished:
1.1 nicm 737: screen_write_stop(&ctx);
1.51 nicm 738:
1.189 nicm 739: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
740: screen_free(&old_screen);
1.1 nicm 741: return (0);
742: }
1.189 nicm 743: screen_free(&old_screen);
1.1 nicm 744: return (1);
745: }
746:
1.152 nicm 747: /* Is this a separator? */
748: static int
749: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
750: {
751: if (ud->size != 1 || ud->width != 1)
752: return (0);
753: return (strchr(ws, *ud->data) != NULL);
754: }
755:
756: /* Is this a space? */
757: static int
758: status_prompt_space(const struct utf8_data *ud)
759: {
760: if (ud->size != 1 || ud->width != 1)
761: return (0);
762: return (*ud->data == ' ');
763: }
764:
1.155 nicm 765: /*
766: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
767: * as an emacs key; return 2 to append to the buffer.
768: */
769: static int
770: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
771: {
772: if (c->prompt_mode == PROMPT_ENTRY) {
773: switch (key) {
774: case '\003': /* C-c */
1.202 nicm 775: case '\007': /* C-g */
1.155 nicm 776: case '\010': /* C-h */
777: case '\011': /* Tab */
778: case '\025': /* C-u */
779: case '\027': /* C-w */
780: case '\n':
781: case '\r':
782: case KEYC_BSPACE:
783: case KEYC_DC:
784: case KEYC_DOWN:
785: case KEYC_END:
786: case KEYC_HOME:
787: case KEYC_LEFT:
788: case KEYC_RIGHT:
789: case KEYC_UP:
790: *new_key = key;
791: return (1);
792: case '\033': /* Escape */
793: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 794: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 795: return (0);
796: }
797: *new_key = key;
798: return (2);
799: }
800:
801: switch (key) {
802: case 'A':
803: case 'I':
804: case 'C':
805: case 's':
806: case 'a':
807: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 808: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 809: break; /* switch mode and... */
810: case 'S':
811: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 812: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 813: *new_key = '\025'; /* C-u */
814: return (1);
815: case 'i':
816: case '\033': /* Escape */
817: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 818: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 819: return (0);
820: }
821:
822: switch (key) {
823: case 'A':
824: case '$':
825: *new_key = KEYC_END;
826: return (1);
827: case 'I':
828: case '0':
829: case '^':
830: *new_key = KEYC_HOME;
831: return (1);
832: case 'C':
833: case 'D':
834: *new_key = '\013'; /* C-k */
835: return (1);
836: case KEYC_BSPACE:
837: case 'X':
838: *new_key = KEYC_BSPACE;
839: return (1);
840: case 'b':
841: case 'B':
1.212 nicm 842: *new_key = 'b'|KEYC_META;
1.155 nicm 843: return (1);
844: case 'd':
845: *new_key = '\025';
846: return (1);
847: case 'e':
848: case 'E':
849: case 'w':
850: case 'W':
1.212 nicm 851: *new_key = 'f'|KEYC_META;
1.155 nicm 852: return (1);
853: case 'p':
854: *new_key = '\031'; /* C-y */
1.202 nicm 855: return (1);
856: case 'q':
857: *new_key = '\003'; /* C-c */
1.155 nicm 858: return (1);
859: case 's':
860: case KEYC_DC:
861: case 'x':
862: *new_key = KEYC_DC;
863: return (1);
864: case KEYC_DOWN:
865: case 'j':
866: *new_key = KEYC_DOWN;
867: return (1);
868: case KEYC_LEFT:
869: case 'h':
870: *new_key = KEYC_LEFT;
871: return (1);
872: case 'a':
873: case KEYC_RIGHT:
874: case 'l':
875: *new_key = KEYC_RIGHT;
876: return (1);
877: case KEYC_UP:
878: case 'k':
879: *new_key = KEYC_UP;
880: return (1);
881: case '\010' /* C-h */:
882: case '\003' /* C-c */:
883: case '\n':
884: case '\r':
885: return (1);
886: }
887: return (0);
888: }
889:
1.199 nicm 890: /* Paste into prompt. */
891: static int
892: status_prompt_paste(struct client *c)
893: {
894: struct paste_buffer *pb;
895: const char *bufdata;
896: size_t size, n, bufsize;
897: u_int i;
898: struct utf8_data *ud, *udp;
899: enum utf8_state more;
900:
901: size = utf8_strlen(c->prompt_buffer);
902: if (c->prompt_saved != NULL) {
903: ud = c->prompt_saved;
904: n = utf8_strlen(c->prompt_saved);
905: } else {
906: if ((pb = paste_get_top(NULL)) == NULL)
907: return (0);
908: bufdata = paste_buffer_data(pb, &bufsize);
1.200 nicm 909: ud = xreallocarray(NULL, bufsize + 1, sizeof *ud);
1.199 nicm 910: udp = ud;
911: for (i = 0; i != bufsize; /* nothing */) {
912: more = utf8_open(udp, bufdata[i]);
913: if (more == UTF8_MORE) {
914: while (++i != bufsize && more == UTF8_MORE)
915: more = utf8_append(udp, bufdata[i]);
916: if (more == UTF8_DONE) {
917: udp++;
918: continue;
919: }
920: i -= udp->have;
921: }
922: if (bufdata[i] <= 31 || bufdata[i] >= 127)
923: break;
924: utf8_set(udp, bufdata[i]);
925: udp++;
926: i++;
927: }
928: udp->size = 0;
929: n = udp - ud;
930: }
931: if (n == 0)
932: return (0);
933:
934: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
935: sizeof *c->prompt_buffer);
936: if (c->prompt_index == size) {
937: memcpy(c->prompt_buffer + c->prompt_index, ud,
938: n * sizeof *c->prompt_buffer);
939: c->prompt_index += n;
940: c->prompt_buffer[c->prompt_index].size = 0;
941: } else {
942: memmove(c->prompt_buffer + c->prompt_index + n,
943: c->prompt_buffer + c->prompt_index,
944: (size + 1 - c->prompt_index) * sizeof *c->prompt_buffer);
945: memcpy(c->prompt_buffer + c->prompt_index, ud,
946: n * sizeof *c->prompt_buffer);
947: c->prompt_index += n;
948: }
949:
950: if (ud != c->prompt_saved)
951: free(ud);
952: return (1);
953: }
954:
1.204 nicm 955: /* Finish completion. */
956: static int
957: status_prompt_replace_complete(struct client *c, const char *s)
958: {
959: char word[64], *allocated = NULL;
960: size_t size, n, off, idx, used;
961: struct utf8_data *first, *last, *ud;
962:
1.205 nicm 963: /* Work out where the cursor currently is. */
1.204 nicm 964: idx = c->prompt_index;
965: if (idx != 0)
966: idx--;
1.205 nicm 967: size = utf8_strlen(c->prompt_buffer);
1.204 nicm 968:
969: /* Find the word we are in. */
970: first = &c->prompt_buffer[idx];
971: while (first > c->prompt_buffer && !status_prompt_space(first))
972: first--;
973: while (first->size != 0 && status_prompt_space(first))
974: first++;
975: last = &c->prompt_buffer[idx];
976: while (last->size != 0 && !status_prompt_space(last))
977: last++;
978: while (last > c->prompt_buffer && status_prompt_space(last))
979: last--;
980: if (last->size != 0)
981: last++;
1.205 nicm 982: if (last < first)
1.204 nicm 983: return (0);
984: if (s == NULL) {
985: used = 0;
986: for (ud = first; ud < last; ud++) {
987: if (used + ud->size >= sizeof word)
988: break;
989: memcpy(word + used, ud->data, ud->size);
990: used += ud->size;
991: }
992: if (ud != last)
993: return (0);
994: word[used] = '\0';
995: }
996:
997: /* Try to complete it. */
998: if (s == NULL) {
999: allocated = status_prompt_complete(c, word,
1000: first - c->prompt_buffer);
1001: if (allocated == NULL)
1002: return (0);
1003: s = allocated;
1004: }
1005:
1006: /* Trim out word. */
1007: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1008: memmove(first, last, n * sizeof *c->prompt_buffer);
1009: size -= last - first;
1010:
1011: /* Insert the new word. */
1012: size += strlen(s);
1013: off = first - c->prompt_buffer;
1014: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1015: sizeof *c->prompt_buffer);
1016: first = c->prompt_buffer + off;
1017: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1018: for (idx = 0; idx < strlen(s); idx++)
1019: utf8_set(&first[idx], s[idx]);
1020: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1021:
1022: free(allocated);
1023: return (1);
1024: }
1025:
1.1 nicm 1026: /* Handle keys in prompt. */
1.154 nicm 1027: int
1.138 nicm 1028: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1029: {
1.152 nicm 1030: struct options *oo = c->session->options;
1.204 nicm 1031: char *s, *cp, prefix = '=';
1.201 nicm 1032: const char *histstr, *ws = NULL, *keystring;
1.204 nicm 1033: size_t size, idx;
1034: struct utf8_data tmp;
1.155 nicm 1035: int keys;
1.1 nicm 1036:
1.201 nicm 1037: if (c->prompt_flags & PROMPT_KEY) {
1.213 nicm 1038: keystring = key_string_lookup_key(key, 0);
1.201 nicm 1039: c->prompt_inputcb(c, c->prompt_data, keystring, 1);
1040: status_prompt_clear(c);
1041: return (0);
1042: }
1.152 nicm 1043: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1044:
1045: if (c->prompt_flags & PROMPT_NUMERIC) {
1046: if (key >= '0' && key <= '9')
1047: goto append_key;
1048: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1049: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1050: status_prompt_clear(c);
1051: free(s);
1052: return (1);
1053: }
1.213 nicm 1054: key &= ~KEYC_MASK_FLAGS;
1.154 nicm 1055:
1.155 nicm 1056: keys = options_get_number(c->session->options, "status-keys");
1057: if (keys == MODEKEY_VI) {
1058: switch (status_prompt_translate_key(c, key, &key)) {
1059: case 1:
1060: goto process_key;
1061: case 2:
1062: goto append_key;
1063: default:
1064: return (0);
1065: }
1066: }
1067:
1068: process_key:
1069: switch (key) {
1070: case KEYC_LEFT:
1071: case '\002': /* C-b */
1.1 nicm 1072: if (c->prompt_index > 0) {
1073: c->prompt_index--;
1.158 nicm 1074: break;
1.1 nicm 1075: }
1076: break;
1.155 nicm 1077: case KEYC_RIGHT:
1078: case '\006': /* C-f */
1.1 nicm 1079: if (c->prompt_index < size) {
1080: c->prompt_index++;
1.158 nicm 1081: break;
1.1 nicm 1082: }
1083: break;
1.155 nicm 1084: case KEYC_HOME:
1085: case '\001': /* C-a */
1.1 nicm 1086: if (c->prompt_index != 0) {
1087: c->prompt_index = 0;
1.158 nicm 1088: break;
1.1 nicm 1089: }
1090: break;
1.155 nicm 1091: case KEYC_END:
1092: case '\005': /* C-e */
1.1 nicm 1093: if (c->prompt_index != size) {
1094: c->prompt_index = size;
1.158 nicm 1095: break;
1.1 nicm 1096: }
1097: break;
1.155 nicm 1098: case '\011': /* Tab */
1.206 nicm 1099: if (status_prompt_replace_complete(c, NULL))
1.204 nicm 1100: goto changed;
1101: break;
1.155 nicm 1102: case KEYC_BSPACE:
1103: case '\010': /* C-h */
1.1 nicm 1104: if (c->prompt_index != 0) {
1105: if (c->prompt_index == size)
1.152 nicm 1106: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1107: else {
1108: memmove(c->prompt_buffer + c->prompt_index - 1,
1109: c->prompt_buffer + c->prompt_index,
1.152 nicm 1110: (size + 1 - c->prompt_index) *
1111: sizeof *c->prompt_buffer);
1.1 nicm 1112: c->prompt_index--;
1113: }
1.158 nicm 1114: goto changed;
1.1 nicm 1115: }
1116: break;
1.155 nicm 1117: case KEYC_DC:
1118: case '\004': /* C-d */
1.1 nicm 1119: if (c->prompt_index != size) {
1120: memmove(c->prompt_buffer + c->prompt_index,
1121: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1122: (size + 1 - c->prompt_index) *
1123: sizeof *c->prompt_buffer);
1.158 nicm 1124: goto changed;
1.18 nicm 1125: }
1.26 nicm 1126: break;
1.155 nicm 1127: case '\025': /* C-u */
1.152 nicm 1128: c->prompt_buffer[0].size = 0;
1.26 nicm 1129: c->prompt_index = 0;
1.158 nicm 1130: goto changed;
1.155 nicm 1131: case '\013': /* C-k */
1.18 nicm 1132: if (c->prompt_index < size) {
1.152 nicm 1133: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1134: goto changed;
1.1 nicm 1135: }
1136: break;
1.155 nicm 1137: case '\027': /* C-w */
1.152 nicm 1138: ws = options_get_string(oo, "word-separators");
1.81 nicm 1139: idx = c->prompt_index;
1140:
1141: /* Find a non-separator. */
1142: while (idx != 0) {
1143: idx--;
1.152 nicm 1144: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1145: break;
1146: }
1147:
1148: /* Find the separator at the beginning of the word. */
1149: while (idx != 0) {
1150: idx--;
1.152 nicm 1151: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1152: /* Go back to the word. */
1153: idx++;
1154: break;
1155: }
1156: }
1157:
1.181 nicm 1158: free(c->prompt_saved);
1159: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1160: (c->prompt_index - idx) + 1);
1161: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1162: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1163:
1.81 nicm 1164: memmove(c->prompt_buffer + idx,
1165: c->prompt_buffer + c->prompt_index,
1.152 nicm 1166: (size + 1 - c->prompt_index) *
1167: sizeof *c->prompt_buffer);
1.81 nicm 1168: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1169: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1170: c->prompt_index = idx;
1.152 nicm 1171:
1.158 nicm 1172: goto changed;
1.212 nicm 1173: case 'f'|KEYC_META:
1.180 nicm 1174: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1175: ws = options_get_string(oo, "word-separators");
1.81 nicm 1176:
1177: /* Find a word. */
1178: while (c->prompt_index != size) {
1.152 nicm 1179: idx = ++c->prompt_index;
1180: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1181: break;
1182: }
1183:
1184: /* Find the separator at the end of the word. */
1185: while (c->prompt_index != size) {
1.152 nicm 1186: idx = ++c->prompt_index;
1187: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1188: break;
1189: }
1.106 nicm 1190:
1191: /* Back up to the end-of-word like vi. */
1192: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1193: c->prompt_index != 0)
1194: c->prompt_index--;
1.81 nicm 1195:
1.158 nicm 1196: goto changed;
1.212 nicm 1197: case 'b'|KEYC_META:
1.180 nicm 1198: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1199: ws = options_get_string(oo, "word-separators");
1.81 nicm 1200:
1201: /* Find a non-separator. */
1202: while (c->prompt_index != 0) {
1.152 nicm 1203: idx = --c->prompt_index;
1204: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1205: break;
1206: }
1207:
1208: /* Find the separator at the beginning of the word. */
1209: while (c->prompt_index != 0) {
1.152 nicm 1210: idx = --c->prompt_index;
1211: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1212: /* Go back to the word. */
1213: c->prompt_index++;
1214: break;
1215: }
1216: }
1.158 nicm 1217: goto changed;
1.155 nicm 1218: case KEYC_UP:
1219: case '\020': /* C-p */
1.66 nicm 1220: histstr = status_prompt_up_history(&c->prompt_hindex);
1221: if (histstr == NULL)
1.1 nicm 1222: break;
1.94 nicm 1223: free(c->prompt_buffer);
1.152 nicm 1224: c->prompt_buffer = utf8_fromcstr(histstr);
1225: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1226: goto changed;
1.155 nicm 1227: case KEYC_DOWN:
1228: case '\016': /* C-n */
1.66 nicm 1229: histstr = status_prompt_down_history(&c->prompt_hindex);
1230: if (histstr == NULL)
1.65 nicm 1231: break;
1.94 nicm 1232: free(c->prompt_buffer);
1.152 nicm 1233: c->prompt_buffer = utf8_fromcstr(histstr);
1234: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1235: goto changed;
1.155 nicm 1236: case '\031': /* C-y */
1.199 nicm 1237: if (status_prompt_paste(c))
1238: goto changed;
1239: break;
1.155 nicm 1240: case '\024': /* C-t */
1.30 nicm 1241: idx = c->prompt_index;
1242: if (idx < size)
1243: idx++;
1244: if (idx >= 2) {
1.152 nicm 1245: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1246: utf8_copy(&c->prompt_buffer[idx - 2],
1247: &c->prompt_buffer[idx - 1]);
1248: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1249: c->prompt_index = idx;
1.158 nicm 1250: goto changed;
1.30 nicm 1251: }
1.1 nicm 1252: break;
1.155 nicm 1253: case '\r':
1254: case '\n':
1.152 nicm 1255: s = utf8_tocstr(c->prompt_buffer);
1256: if (*s != '\0')
1257: status_prompt_add_history(s);
1.166 nicm 1258: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1259: status_prompt_clear(c);
1.152 nicm 1260: free(s);
1.25 nicm 1261: break;
1.155 nicm 1262: case '\033': /* Escape */
1263: case '\003': /* C-c */
1.174 nicm 1264: case '\007': /* C-g */
1.166 nicm 1265: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1266: status_prompt_clear(c);
1267: break;
1.158 nicm 1268: case '\022': /* C-r */
1.219 nicm 1269: if (~c->prompt_flags & PROMPT_INCREMENTAL)
1270: break;
1271: if (c->prompt_buffer[0].size == 0) {
1272: prefix = '=';
1273: free (c->prompt_buffer);
1274: c->prompt_buffer = utf8_fromcstr(c->prompt_last);
1275: c->prompt_index = utf8_strlen(c->prompt_buffer);
1276: } else
1.158 nicm 1277: prefix = '-';
1.219 nicm 1278: goto changed;
1.158 nicm 1279: case '\023': /* C-s */
1.219 nicm 1280: if (~c->prompt_flags & PROMPT_INCREMENTAL)
1281: break;
1282: if (c->prompt_buffer[0].size == 0) {
1283: prefix = '=';
1284: free (c->prompt_buffer);
1285: c->prompt_buffer = utf8_fromcstr(c->prompt_last);
1286: c->prompt_index = utf8_strlen(c->prompt_buffer);
1287: } else
1.158 nicm 1288: prefix = '+';
1.219 nicm 1289: goto changed;
1.158 nicm 1290: default:
1291: goto append_key;
1.154 nicm 1292: }
1.152 nicm 1293:
1.177 nicm 1294: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1295: return (0);
1296:
1.154 nicm 1297: append_key:
1298: if (key <= 0x1f || key >= KEYC_BASE)
1299: return (0);
1.216 nicm 1300: if (key <= 0x7f)
1.215 nicm 1301: utf8_set(&tmp, key);
1302: else
1303: utf8_to_data(key, &tmp);
1.1 nicm 1304:
1.154 nicm 1305: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1306: sizeof *c->prompt_buffer);
1.1 nicm 1307:
1.154 nicm 1308: if (c->prompt_index == size) {
1309: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1310: c->prompt_index++;
1311: c->prompt_buffer[c->prompt_index].size = 0;
1312: } else {
1313: memmove(c->prompt_buffer + c->prompt_index + 1,
1314: c->prompt_buffer + c->prompt_index,
1315: (size + 1 - c->prompt_index) *
1316: sizeof *c->prompt_buffer);
1317: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1318: c->prompt_index++;
1319: }
1.1 nicm 1320:
1.154 nicm 1321: if (c->prompt_flags & PROMPT_SINGLE) {
1.220 ! nicm 1322: if (utf8_strlen(c->prompt_buffer) != 1)
1.154 nicm 1323: status_prompt_clear(c);
1.220 ! nicm 1324: else {
! 1325: s = utf8_tocstr(c->prompt_buffer);
! 1326: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
! 1327: status_prompt_clear(c);
! 1328: free(s);
! 1329: }
1.1 nicm 1330: }
1.154 nicm 1331:
1.158 nicm 1332: changed:
1.177 nicm 1333: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1334: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1335: s = utf8_tocstr(c->prompt_buffer);
1336: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1337: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1338: free(cp);
1339: free(s);
1340: }
1.154 nicm 1341: return (0);
1.1 nicm 1342: }
1343:
1.65 nicm 1344: /* Get previous line from the history. */
1.151 nicm 1345: static const char *
1.65 nicm 1346: status_prompt_up_history(u_int *idx)
1347: {
1348: /*
1.128 nicm 1349: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1350: * empty.
1.65 nicm 1351: */
1352:
1.128 nicm 1353: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1354: return (NULL);
1355: (*idx)++;
1.128 nicm 1356: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1357: }
1358:
1359: /* Get next line from the history. */
1.151 nicm 1360: static const char *
1.65 nicm 1361: status_prompt_down_history(u_int *idx)
1362: {
1.128 nicm 1363: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1364: return ("");
1365: (*idx)--;
1366: if (*idx == 0)
1367: return ("");
1.128 nicm 1368: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1369: }
1370:
1.1 nicm 1371: /* Add line to the history. */
1.151 nicm 1372: static void
1.65 nicm 1373: status_prompt_add_history(const char *line)
1.1 nicm 1374: {
1.128 nicm 1375: size_t size;
1.65 nicm 1376:
1.128 nicm 1377: if (status_prompt_hsize > 0 &&
1378: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1379: return;
1380:
1.128 nicm 1381: if (status_prompt_hsize == PROMPT_HISTORY) {
1382: free(status_prompt_hlist[0]);
1.1 nicm 1383:
1.128 nicm 1384: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1385: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1386:
1.128 nicm 1387: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1388: return;
1389: }
1.1 nicm 1390:
1.128 nicm 1391: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1392: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1393: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1394: }
1395:
1396: /* Build completion list. */
1.204 nicm 1397: static char **
1398: status_prompt_complete_list(u_int *size, const char *s, int at_start)
1.128 nicm 1399: {
1.183 nicm 1400: char **list = NULL;
1401: const char **layout, *value, *cp;
1.128 nicm 1402: const struct cmd_entry **cmdent;
1403: const struct options_table_entry *oe;
1.183 nicm 1404: size_t slen = strlen(s), valuelen;
1405: struct options_entry *o;
1.191 nicm 1406: struct options_array_item *a;
1.128 nicm 1407: const char *layouts[] = {
1408: "even-horizontal", "even-vertical", "main-horizontal",
1409: "main-vertical", "tiled", NULL
1410: };
1.1 nicm 1411:
1.128 nicm 1412: *size = 0;
1.1 nicm 1413: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1414: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1415: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1416: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1417: }
1.205 nicm 1418: if ((*cmdent)->alias != NULL &&
1419: strncmp((*cmdent)->alias, s, slen) == 0) {
1420: list = xreallocarray(list, (*size) + 1, sizeof *list);
1421: list[(*size)++] = xstrdup((*cmdent)->alias);
1422: }
1.56 nicm 1423: }
1.183 nicm 1424: o = options_get_only(global_options, "command-alias");
1.191 nicm 1425: if (o != NULL) {
1426: a = options_array_first(o);
1427: while (a != NULL) {
1.195 nicm 1428: value = options_array_item_value(a)->string;
1.194 nicm 1429: if ((cp = strchr(value, '=')) == NULL)
1.196 nicm 1430: goto next;
1.183 nicm 1431: valuelen = cp - value;
1432: if (slen > valuelen || strncmp(value, s, slen) != 0)
1.191 nicm 1433: goto next;
1434:
1.183 nicm 1435: list = xreallocarray(list, (*size) + 1, sizeof *list);
1436: list[(*size)++] = xstrndup(value, valuelen);
1.191 nicm 1437:
1438: next:
1439: a = options_array_next(a);
1.183 nicm 1440: }
1441: }
1.204 nicm 1442: if (at_start)
1443: return (list);
1444:
1445: for (oe = options_table; oe->name != NULL; oe++) {
1446: if (strncmp(oe->name, s, slen) == 0) {
1447: list = xreallocarray(list, (*size) + 1, sizeof *list);
1448: list[(*size)++] = xstrdup(oe->name);
1449: }
1450: }
1451: for (layout = layouts; *layout != NULL; layout++) {
1452: if (strncmp(*layout, s, slen) == 0) {
1453: list = xreallocarray(list, (*size) + 1, sizeof *list);
1454: list[(*size)++] = xstrdup(*layout);
1455: }
1456: }
1.128 nicm 1457: return (list);
1458: }
1459:
1460: /* Find longest prefix. */
1.151 nicm 1461: static char *
1.183 nicm 1462: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1463: {
1464: char *out;
1465: u_int i;
1466: size_t j;
1467:
1.217 nicm 1468: if (list == NULL || size == 0)
1469: return (NULL);
1.128 nicm 1470: out = xstrdup(list[0]);
1471: for (i = 1; i < size; i++) {
1472: j = strlen(list[i]);
1473: if (j > strlen(out))
1474: j = strlen(out);
1475: for (; j > 0; j--) {
1476: if (out[j - 1] != list[i][j - 1])
1477: out[j - 1] = '\0';
1478: }
1.1 nicm 1479: }
1.128 nicm 1480: return (out);
1481: }
1.1 nicm 1482:
1.204 nicm 1483: /* Complete word menu callback. */
1484: static void
1485: status_prompt_menu_callback(__unused struct menu *menu, u_int idx, key_code key,
1486: void *data)
1487: {
1488: struct status_prompt_menu *spm = data;
1489: struct client *c = spm->c;
1490: u_int i;
1491: char *s;
1492:
1493: if (key != KEYC_NONE) {
1494: idx += spm->start;
1495: if (spm->flag == '\0')
1496: s = xstrdup(spm->list[idx]);
1497: else
1498: xasprintf(&s, "-%c%s", spm->flag, spm->list[idx]);
1.205 nicm 1499: if (c->prompt_flags & PROMPT_WINDOW) {
1500: free(c->prompt_buffer);
1501: c->prompt_buffer = utf8_fromcstr(s);
1502: c->prompt_index = utf8_strlen(c->prompt_buffer);
1503: c->flags |= CLIENT_REDRAWSTATUS;
1504: } else if (status_prompt_replace_complete(c, s))
1.204 nicm 1505: c->flags |= CLIENT_REDRAWSTATUS;
1506: free(s);
1507: }
1508:
1509: for (i = 0; i < spm->size; i++)
1510: free(spm->list[i]);
1511: free(spm->list);
1512: }
1513:
1514: /* Show complete word menu. */
1515: static int
1516: status_prompt_complete_list_menu(struct client *c, char **list, u_int size,
1517: u_int offset, char flag)
1518: {
1519: struct menu *menu;
1520: struct menu_item item;
1521: struct status_prompt_menu *spm;
1522: u_int lines = status_line_size(c), height, i;
1523: u_int py;
1524:
1525: if (size <= 1)
1526: return (0);
1527: if (c->tty.sy - lines < 3)
1528: return (0);
1529:
1530: spm = xmalloc(sizeof *spm);
1531: spm->c = c;
1532: spm->size = size;
1533: spm->list = list;
1534: spm->flag = flag;
1535:
1536: height = c->tty.sy - lines - 2;
1537: if (height > 10)
1538: height = 10;
1539: if (height > size)
1540: height = size;
1541: spm->start = size - height;
1542:
1543: menu = menu_create("");
1544: for (i = spm->start; i < size; i++) {
1545: item.name = list[i];
1546: item.key = '0' + (i - spm->start);
1547: item.command = NULL;
1548: menu_add_item(menu, &item, NULL, NULL, NULL);
1549: }
1550:
1551: if (options_get_number(c->session->options, "status-position") == 0)
1552: py = lines;
1553: else
1554: py = c->tty.sy - 3 - height;
1555: offset += utf8_cstrwidth(c->prompt_string);
1556: if (offset > 2)
1557: offset -= 2;
1558: else
1559: offset = 0;
1560:
1561: if (menu_display(menu, MENU_NOMOUSE|MENU_TAB, NULL, offset,
1562: py, c, NULL, status_prompt_menu_callback, spm) != 0) {
1563: menu_free(menu);
1564: free(spm);
1565: return (0);
1566: }
1567: return (1);
1568: }
1569:
1570: /* Show complete word menu. */
1571: static char *
1572: status_prompt_complete_window_menu(struct client *c, struct session *s,
1.206 nicm 1573: const char *word, u_int offset, char flag)
1.204 nicm 1574: {
1575: struct menu *menu;
1576: struct menu_item item;
1577: struct status_prompt_menu *spm;
1578: struct winlink *wl;
1579: char **list = NULL, *tmp;
1580: u_int lines = status_line_size(c), height;
1581: u_int py, size = 0;
1582:
1583: if (c->tty.sy - lines < 3)
1584: return (NULL);
1585:
1586: spm = xmalloc(sizeof *spm);
1587: spm->c = c;
1588: spm->flag = flag;
1589:
1590: height = c->tty.sy - lines - 2;
1591: if (height > 10)
1592: height = 10;
1593: spm->start = 0;
1594:
1595: menu = menu_create("");
1596: RB_FOREACH(wl, winlinks, &s->windows) {
1.206 nicm 1597: if (word != NULL && *word != '\0') {
1598: xasprintf(&tmp, "%d", wl->idx);
1599: if (strncmp(tmp, word, strlen(word)) != 0) {
1600: free(tmp);
1601: continue;
1602: }
1603: free(tmp);
1604: }
1605:
1.204 nicm 1606: list = xreallocarray(list, size + 1, sizeof *list);
1.205 nicm 1607: if (c->prompt_flags & PROMPT_WINDOW) {
1608: xasprintf(&tmp, "%d (%s)", wl->idx, wl->window->name);
1609: xasprintf(&list[size++], "%d", wl->idx);
1610: } else {
1611: xasprintf(&tmp, "%s:%d (%s)", s->name, wl->idx,
1612: wl->window->name);
1613: xasprintf(&list[size++], "%s:%d", s->name, wl->idx);
1614: }
1.204 nicm 1615: item.name = tmp;
1616: item.key = '0' + size - 1;
1617: item.command = NULL;
1618: menu_add_item(menu, &item, NULL, NULL, NULL);
1619: free(tmp);
1620:
1621: if (size == height)
1622: break;
1623: }
1.206 nicm 1624: if (size == 0) {
1625: menu_free(menu);
1626: return (NULL);
1627: }
1.204 nicm 1628: if (size == 1) {
1629: menu_free(menu);
1.205 nicm 1630: if (flag != '\0') {
1631: xasprintf(&tmp, "-%c%s", flag, list[0]);
1632: free(list[0]);
1633: } else
1634: tmp = list[0];
1.204 nicm 1635: free(list);
1636: return (tmp);
1637: }
1638: if (height > size)
1639: height = size;
1640:
1641: spm->size = size;
1642: spm->list = list;
1643:
1644: if (options_get_number(c->session->options, "status-position") == 0)
1645: py = lines;
1646: else
1647: py = c->tty.sy - 3 - height;
1648: offset += utf8_cstrwidth(c->prompt_string);
1649: if (offset > 2)
1650: offset -= 2;
1651: else
1652: offset = 0;
1653:
1654: if (menu_display(menu, MENU_NOMOUSE|MENU_TAB, NULL, offset,
1655: py, c, NULL, status_prompt_menu_callback, spm) != 0) {
1656: menu_free(menu);
1657: free(spm);
1658: return (NULL);
1659: }
1660: return (NULL);
1661: }
1662:
1663: /* Sort complete list. */
1664: static int
1665: status_prompt_complete_sort(const void *a, const void *b)
1666: {
1667: const char **aa = (const char **)a, **bb = (const char **)b;
1668:
1669: return (strcmp(*aa, *bb));
1670: }
1671:
1.205 nicm 1672: /* Complete a session. */
1673: static char *
1674: status_prompt_complete_session(char ***list, u_int *size, const char *s,
1675: char flag)
1676: {
1677: struct session *loop;
1.217 nicm 1678: char *out, *tmp, n[11];
1.205 nicm 1679:
1680: RB_FOREACH(loop, sessions, &sessions) {
1.217 nicm 1681: if (*s == '\0' || strncmp(loop->name, s, strlen(s)) == 0) {
1682: *list = xreallocarray(*list, (*size) + 2,
1683: sizeof **list);
1684: xasprintf(&(*list)[(*size)++], "%s:", loop->name);
1685: } else if (*s == '$') {
1686: xsnprintf(n, sizeof n, "%u", loop->id);
1687: if (s[1] == '\0' ||
1688: strncmp(n, s + 1, strlen(s) - 1) == 0) {
1689: *list = xreallocarray(*list, (*size) + 2,
1690: sizeof **list);
1691: xasprintf(&(*list)[(*size)++], "$%s:", n);
1692: }
1693: }
1.205 nicm 1694: }
1695: out = status_prompt_complete_prefix(*list, *size);
1696: if (out != NULL && flag != '\0') {
1697: xasprintf(&tmp, "-%c%s", flag, out);
1698: free(out);
1699: out = tmp;
1700: }
1701: return (out);
1702: }
1703:
1.128 nicm 1704: /* Complete word. */
1.151 nicm 1705: static char *
1.204 nicm 1706: status_prompt_complete(struct client *c, const char *word, u_int offset)
1.128 nicm 1707: {
1.217 nicm 1708: struct session *session;
1.204 nicm 1709: const char *s, *colon;
1.205 nicm 1710: char **list = NULL, *copy = NULL, *out = NULL;
1.204 nicm 1711: char flag = '\0';
1.128 nicm 1712: u_int size = 0, i;
1713:
1.206 nicm 1714: if (*word == '\0' &&
1715: ((c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) == 0))
1.1 nicm 1716: return (NULL);
1.128 nicm 1717:
1.206 nicm 1718: if (((c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) == 0) &&
1.205 nicm 1719: strncmp(word, "-t", 2) != 0 &&
1720: strncmp(word, "-s", 2) != 0) {
1.204 nicm 1721: list = status_prompt_complete_list(&size, word, offset == 0);
1.128 nicm 1722: if (size == 0)
1723: out = NULL;
1724: else if (size == 1)
1725: xasprintf(&out, "%s ", list[0]);
1726: else
1727: out = status_prompt_complete_prefix(list, size);
1.204 nicm 1728: goto found;
1.128 nicm 1729: }
1730:
1.206 nicm 1731: if (c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) {
1.205 nicm 1732: s = word;
1733: flag = '\0';
1734: } else {
1735: s = word + 2;
1736: flag = word[1];
1737: offset += 2;
1738: }
1.206 nicm 1739:
1740: /* If this is a window completion, open the window menu. */
1741: if (c->prompt_flags & PROMPT_WINDOW) {
1742: out = status_prompt_complete_window_menu(c, c->session, s,
1743: offset, '\0');
1744: goto found;
1745: }
1.204 nicm 1746: colon = strchr(s, ':');
1.1 nicm 1747:
1.204 nicm 1748: /* If there is no colon, complete as a session. */
1749: if (colon == NULL) {
1.205 nicm 1750: out = status_prompt_complete_session(&list, &size, s, flag);
1.128 nicm 1751: goto found;
1752: }
1753:
1.204 nicm 1754: /* If there is a colon but no period, find session and show a menu. */
1755: if (strchr(colon + 1, '.') == NULL) {
1756: if (*s == ':')
1757: session = c->session;
1758: else {
1759: copy = xstrdup(s);
1760: *strchr(copy, ':') = '\0';
1761: session = session_find(copy);
1762: free(copy);
1763: if (session == NULL)
1764: goto found;
1765: }
1.206 nicm 1766: out = status_prompt_complete_window_menu(c, session, colon + 1,
1767: offset, flag);
1.204 nicm 1768: if (out == NULL)
1769: return (NULL);
1770: }
1.1 nicm 1771:
1.204 nicm 1772: found:
1773: if (size != 0) {
1774: qsort(list, size, sizeof *list, status_prompt_complete_sort);
1775: for (i = 0; i < size; i++)
1776: log_debug("complete %u: %s", i, list[i]);
1777: }
1.128 nicm 1778:
1.204 nicm 1779: if (out != NULL && strcmp(word, out) == 0) {
1780: free(out);
1781: out = NULL;
1.1 nicm 1782: }
1.204 nicm 1783: if (out != NULL ||
1784: !status_prompt_complete_list_menu(c, list, size, offset, flag)) {
1785: for (i = 0; i < size; i++)
1786: free(list[i]);
1787: free(list);
1.128 nicm 1788: }
1789: return (out);
1.1 nicm 1790: }
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