Annotation of src/usr.bin/tmux/status.c, Revision 1.207
1.207 ! nicm 1: /* $OpenBSD: status.c,v 1.206 2020/05/16 15:18:17 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: }
1.192 nicm 375: screen_write_start(&ctx, NULL, &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
1.10 nicm 426: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 427: {
1.162 nicm 428: struct timeval tv;
429: va_list ap;
430: int delay;
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);
436: xvasprintf(&c->message_string, fmt, ap);
437: va_end(ap);
438:
1.162 nicm 439: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 440:
1.137 nicm 441: delay = options_get_number(c->session->options, "display-time");
1.143 tim 442: if (delay > 0) {
443: tv.tv_sec = delay / 1000;
444: tv.tv_usec = (delay % 1000) * 1000L;
445:
446: if (event_initialized(&c->message_timer))
447: evtimer_del(&c->message_timer);
448: evtimer_set(&c->message_timer, status_message_callback, c);
449: evtimer_add(&c->message_timer, &tv);
450: }
1.1 nicm 451:
452: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 453: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 454: }
455:
1.46 nicm 456: /* Clear status line message. */
1.1 nicm 457: void
458: status_message_clear(struct client *c)
459: {
460: if (c->message_string == NULL)
461: return;
462:
1.94 nicm 463: free(c->message_string);
1.1 nicm 464: c->message_string = NULL;
465:
1.156 nicm 466: if (c->prompt_string == NULL)
467: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 468: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 469:
1.189 nicm 470: status_pop_screen(c);
1.42 nicm 471: }
472:
1.46 nicm 473: /* Clear status line message after timer expires. */
1.151 nicm 474: static void
1.141 nicm 475: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 476: {
477: struct client *c = data;
478:
479: status_message_clear(c);
1.1 nicm 480: }
481:
482: /* Draw client message on status line of present else on last line. */
483: int
484: status_message_redraw(struct client *c)
485: {
1.189 nicm 486: struct status_line *sl = &c->status;
487: struct screen_write_ctx ctx;
488: struct session *s = c->session;
489: struct screen old_screen;
490: size_t len;
491: u_int lines, offset;
492: struct grid_cell gc;
1.207 ! nicm 493: struct format_tree *ft;
1.1 nicm 494:
495: if (c->tty.sx == 0 || c->tty.sy == 0)
496: return (0);
1.189 nicm 497: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 498:
1.182 nicm 499: lines = status_line_size(c);
1.189 nicm 500: if (lines <= 1)
1.173 nicm 501: lines = 1;
1.190 nicm 502: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 503:
1.139 nicm 504: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 505: if (len > c->tty.sx)
506: len = c->tty.sx;
507:
1.207 ! nicm 508: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
! 509: style_apply(&gc, s->options, "message-style", ft);
! 510: format_free(ft);
1.1 nicm 511:
1.189 nicm 512: screen_write_start(&ctx, NULL, sl->active);
1.192 nicm 513: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
514: screen_write_cursormove(&ctx, 0, lines - 1, 0);
515: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 516: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 517: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 518: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 519: screen_write_stop(&ctx);
520:
1.189 nicm 521: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
522: screen_free(&old_screen);
1.1 nicm 523: return (0);
524: }
1.189 nicm 525: screen_free(&old_screen);
1.1 nicm 526: return (1);
527: }
528:
1.46 nicm 529: /* Enable status line prompt. */
1.1 nicm 530: void
1.76 nicm 531: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 532: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 533: {
1.122 nicm 534: struct format_tree *ft;
1.165 nicm 535: char *tmp, *cp;
1.122 nicm 536:
1.164 nicm 537: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 538: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 539:
1.168 nicm 540: if (input == NULL)
541: input = "";
542: if (flags & PROMPT_NOFORMAT)
543: tmp = xstrdup(input);
544: else
1.185 nicm 545: tmp = format_expand_time(ft, input);
1.20 nicm 546:
1.12 nicm 547: status_message_clear(c);
548: status_prompt_clear(c);
1.189 nicm 549: status_push_screen(c);
1.12 nicm 550:
1.185 nicm 551: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 552:
1.152 nicm 553: c->prompt_buffer = utf8_fromcstr(tmp);
554: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 555:
1.166 nicm 556: c->prompt_inputcb = inputcb;
557: c->prompt_freecb = freecb;
1.1 nicm 558: c->prompt_data = data;
559:
560: c->prompt_hindex = 0;
561:
562: c->prompt_flags = flags;
1.155 nicm 563: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 564:
1.158 nicm 565: if (~flags & PROMPT_INCREMENTAL)
566: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 567: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 568:
569: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
570: xasprintf(&cp, "=%s", tmp);
1.166 nicm 571: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 572: free(cp);
573: }
1.122 nicm 574:
1.152 nicm 575: free(tmp);
1.122 nicm 576: format_free(ft);
1.1 nicm 577: }
578:
1.46 nicm 579: /* Remove status line prompt. */
1.1 nicm 580: void
581: status_prompt_clear(struct client *c)
582: {
1.55 nicm 583: if (c->prompt_string == NULL)
1.1 nicm 584: return;
585:
1.166 nicm 586: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
587: c->prompt_freecb(c->prompt_data);
1.1 nicm 588:
1.94 nicm 589: free(c->prompt_string);
1.1 nicm 590: c->prompt_string = NULL;
591:
1.94 nicm 592: free(c->prompt_buffer);
1.1 nicm 593: c->prompt_buffer = NULL;
594:
1.181 nicm 595: free(c->prompt_saved);
596: c->prompt_saved = NULL;
597:
1.1 nicm 598: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 599: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 600:
1.189 nicm 601: status_pop_screen(c);
1.27 nicm 602: }
603:
1.46 nicm 604: /* Update status line prompt with a new prompt string. */
1.27 nicm 605: void
1.76 nicm 606: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 607: {
1.122 nicm 608: struct format_tree *ft;
1.152 nicm 609: char *tmp;
1.122 nicm 610:
1.164 nicm 611: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 612: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 613:
1.185 nicm 614: tmp = format_expand_time(ft, input);
1.122 nicm 615:
1.94 nicm 616: free(c->prompt_string);
1.185 nicm 617: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 618:
1.94 nicm 619: free(c->prompt_buffer);
1.152 nicm 620: c->prompt_buffer = utf8_fromcstr(tmp);
621: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 622:
623: c->prompt_hindex = 0;
624:
1.177 nicm 625: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 626:
1.152 nicm 627: free(tmp);
1.122 nicm 628: format_free(ft);
1.1 nicm 629: }
630:
631: /* Draw client prompt on status line of present else on last line. */
632: int
633: status_prompt_redraw(struct client *c)
634: {
1.189 nicm 635: struct status_line *sl = &c->status;
1.152 nicm 636: struct screen_write_ctx ctx;
637: struct session *s = c->session;
1.189 nicm 638: struct screen old_screen;
639: u_int i, lines, offset, left, start, width;
640: u_int pcursor, pwidth;
1.152 nicm 641: struct grid_cell gc, cursorgc;
1.207 ! nicm 642: struct format_tree *ft;
1.1 nicm 643:
644: if (c->tty.sx == 0 || c->tty.sy == 0)
645: return (0);
1.189 nicm 646: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 647:
1.182 nicm 648: lines = status_line_size(c);
1.189 nicm 649: if (lines <= 1)
1.173 nicm 650: lines = 1;
1.189 nicm 651: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 652:
1.207 ! nicm 653: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
1.155 nicm 654: if (c->prompt_mode == PROMPT_COMMAND)
1.207 ! nicm 655: style_apply(&gc, s->options, "message-command-style", ft);
1.108 nicm 656: else
1.207 ! nicm 657: style_apply(&gc, s->options, "message-style", ft);
! 658: format_free(ft);
1.1 nicm 659:
1.152 nicm 660: memcpy(&cursorgc, &gc, sizeof cursorgc);
661: cursorgc.attr ^= GRID_ATTR_REVERSE;
662:
663: start = screen_write_strlen("%s", c->prompt_string);
664: if (start > c->tty.sx)
665: start = c->tty.sx;
666:
1.189 nicm 667: screen_write_start(&ctx, NULL, sl->active);
1.192 nicm 668: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
669: screen_write_cursormove(&ctx, 0, lines - 1, 0);
670: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 671: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 672: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.152 nicm 673: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.192 nicm 674: screen_write_cursormove(&ctx, start, lines - 1, 0);
1.1 nicm 675:
1.152 nicm 676: left = c->tty.sx - start;
677: if (left == 0)
678: goto finished;
679:
680: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
681: pwidth = utf8_strwidth(c->prompt_buffer, -1);
682: if (pcursor >= left) {
683: /*
684: * The cursor would be outside the screen so start drawing
685: * with it on the right.
686: */
687: offset = (pcursor - left) + 1;
688: pwidth = left;
689: } else
690: offset = 0;
691: if (pwidth > left)
692: pwidth = left;
693:
694: width = 0;
695: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
696: if (width < offset) {
697: width += c->prompt_buffer[i].width;
698: continue;
1.1 nicm 699: }
1.152 nicm 700: if (width >= offset + pwidth)
701: break;
702: width += c->prompt_buffer[i].width;
703: if (width > offset + pwidth)
704: break;
1.1 nicm 705:
1.152 nicm 706: if (i != c->prompt_index) {
707: utf8_copy(&gc.data, &c->prompt_buffer[i]);
708: screen_write_cell(&ctx, &gc);
709: } else {
710: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
711: screen_write_cell(&ctx, &cursorgc);
712: }
1.1 nicm 713: }
1.189 nicm 714: if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i)
1.152 nicm 715: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 716:
1.152 nicm 717: finished:
1.1 nicm 718: screen_write_stop(&ctx);
1.51 nicm 719:
1.189 nicm 720: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
721: screen_free(&old_screen);
1.1 nicm 722: return (0);
723: }
1.189 nicm 724: screen_free(&old_screen);
1.1 nicm 725: return (1);
726: }
727:
1.152 nicm 728: /* Is this a separator? */
729: static int
730: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
731: {
732: if (ud->size != 1 || ud->width != 1)
733: return (0);
734: return (strchr(ws, *ud->data) != NULL);
735: }
736:
737: /* Is this a space? */
738: static int
739: status_prompt_space(const struct utf8_data *ud)
740: {
741: if (ud->size != 1 || ud->width != 1)
742: return (0);
743: return (*ud->data == ' ');
744: }
745:
1.155 nicm 746: /*
747: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
748: * as an emacs key; return 2 to append to the buffer.
749: */
750: static int
751: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
752: {
753: if (c->prompt_mode == PROMPT_ENTRY) {
754: switch (key) {
755: case '\003': /* C-c */
1.202 nicm 756: case '\007': /* C-g */
1.155 nicm 757: case '\010': /* C-h */
758: case '\011': /* Tab */
759: case '\025': /* C-u */
760: case '\027': /* C-w */
761: case '\n':
762: case '\r':
763: case KEYC_BSPACE:
764: case KEYC_DC:
765: case KEYC_DOWN:
766: case KEYC_END:
767: case KEYC_HOME:
768: case KEYC_LEFT:
769: case KEYC_RIGHT:
770: case KEYC_UP:
771: *new_key = key;
772: return (1);
773: case '\033': /* Escape */
774: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 775: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 776: return (0);
777: }
778: *new_key = key;
779: return (2);
780: }
781:
782: switch (key) {
783: case 'A':
784: case 'I':
785: case 'C':
786: case 's':
787: case 'a':
788: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 789: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 790: break; /* switch mode and... */
791: case 'S':
792: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 793: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 794: *new_key = '\025'; /* C-u */
795: return (1);
796: case 'i':
797: case '\033': /* Escape */
798: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 799: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 800: return (0);
801: }
802:
803: switch (key) {
804: case 'A':
805: case '$':
806: *new_key = KEYC_END;
807: return (1);
808: case 'I':
809: case '0':
810: case '^':
811: *new_key = KEYC_HOME;
812: return (1);
813: case 'C':
814: case 'D':
815: *new_key = '\013'; /* C-k */
816: return (1);
817: case KEYC_BSPACE:
818: case 'X':
819: *new_key = KEYC_BSPACE;
820: return (1);
821: case 'b':
822: case 'B':
823: *new_key = 'b'|KEYC_ESCAPE;
824: return (1);
825: case 'd':
826: *new_key = '\025';
827: return (1);
828: case 'e':
829: case 'E':
830: case 'w':
831: case 'W':
832: *new_key = 'f'|KEYC_ESCAPE;
833: return (1);
834: case 'p':
835: *new_key = '\031'; /* C-y */
1.202 nicm 836: return (1);
837: case 'q':
838: *new_key = '\003'; /* C-c */
1.155 nicm 839: return (1);
840: case 's':
841: case KEYC_DC:
842: case 'x':
843: *new_key = KEYC_DC;
844: return (1);
845: case KEYC_DOWN:
846: case 'j':
847: *new_key = KEYC_DOWN;
848: return (1);
849: case KEYC_LEFT:
850: case 'h':
851: *new_key = KEYC_LEFT;
852: return (1);
853: case 'a':
854: case KEYC_RIGHT:
855: case 'l':
856: *new_key = KEYC_RIGHT;
857: return (1);
858: case KEYC_UP:
859: case 'k':
860: *new_key = KEYC_UP;
861: return (1);
862: case '\010' /* C-h */:
863: case '\003' /* C-c */:
864: case '\n':
865: case '\r':
866: return (1);
867: }
868: return (0);
869: }
870:
1.199 nicm 871: /* Paste into prompt. */
872: static int
873: status_prompt_paste(struct client *c)
874: {
875: struct paste_buffer *pb;
876: const char *bufdata;
877: size_t size, n, bufsize;
878: u_int i;
879: struct utf8_data *ud, *udp;
880: enum utf8_state more;
881:
882: size = utf8_strlen(c->prompt_buffer);
883: if (c->prompt_saved != NULL) {
884: ud = c->prompt_saved;
885: n = utf8_strlen(c->prompt_saved);
886: } else {
887: if ((pb = paste_get_top(NULL)) == NULL)
888: return (0);
889: bufdata = paste_buffer_data(pb, &bufsize);
1.200 nicm 890: ud = xreallocarray(NULL, bufsize + 1, sizeof *ud);
1.199 nicm 891: udp = ud;
892: for (i = 0; i != bufsize; /* nothing */) {
893: more = utf8_open(udp, bufdata[i]);
894: if (more == UTF8_MORE) {
895: while (++i != bufsize && more == UTF8_MORE)
896: more = utf8_append(udp, bufdata[i]);
897: if (more == UTF8_DONE) {
898: udp++;
899: continue;
900: }
901: i -= udp->have;
902: }
903: if (bufdata[i] <= 31 || bufdata[i] >= 127)
904: break;
905: utf8_set(udp, bufdata[i]);
906: udp++;
907: i++;
908: }
909: udp->size = 0;
910: n = udp - ud;
911: }
912: if (n == 0)
913: return (0);
914:
915: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
916: sizeof *c->prompt_buffer);
917: if (c->prompt_index == size) {
918: memcpy(c->prompt_buffer + c->prompt_index, ud,
919: n * sizeof *c->prompt_buffer);
920: c->prompt_index += n;
921: c->prompt_buffer[c->prompt_index].size = 0;
922: } else {
923: memmove(c->prompt_buffer + c->prompt_index + n,
924: c->prompt_buffer + c->prompt_index,
925: (size + 1 - c->prompt_index) * sizeof *c->prompt_buffer);
926: memcpy(c->prompt_buffer + c->prompt_index, ud,
927: n * sizeof *c->prompt_buffer);
928: c->prompt_index += n;
929: }
930:
931: if (ud != c->prompt_saved)
932: free(ud);
933: return (1);
934: }
935:
1.204 nicm 936: /* Finish completion. */
937: static int
938: status_prompt_replace_complete(struct client *c, const char *s)
939: {
940: char word[64], *allocated = NULL;
941: size_t size, n, off, idx, used;
942: struct utf8_data *first, *last, *ud;
943:
1.205 nicm 944: /* Work out where the cursor currently is. */
1.204 nicm 945: idx = c->prompt_index;
946: if (idx != 0)
947: idx--;
1.205 nicm 948: size = utf8_strlen(c->prompt_buffer);
1.204 nicm 949:
950: /* Find the word we are in. */
951: first = &c->prompt_buffer[idx];
952: while (first > c->prompt_buffer && !status_prompt_space(first))
953: first--;
954: while (first->size != 0 && status_prompt_space(first))
955: first++;
956: last = &c->prompt_buffer[idx];
957: while (last->size != 0 && !status_prompt_space(last))
958: last++;
959: while (last > c->prompt_buffer && status_prompt_space(last))
960: last--;
961: if (last->size != 0)
962: last++;
1.205 nicm 963: if (last < first)
1.204 nicm 964: return (0);
965: if (s == NULL) {
966: used = 0;
967: for (ud = first; ud < last; ud++) {
968: if (used + ud->size >= sizeof word)
969: break;
970: memcpy(word + used, ud->data, ud->size);
971: used += ud->size;
972: }
973: if (ud != last)
974: return (0);
975: word[used] = '\0';
976: }
977:
978: /* Try to complete it. */
979: if (s == NULL) {
980: allocated = status_prompt_complete(c, word,
981: first - c->prompt_buffer);
982: if (allocated == NULL)
983: return (0);
984: s = allocated;
985: }
986:
987: /* Trim out word. */
988: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
989: memmove(first, last, n * sizeof *c->prompt_buffer);
990: size -= last - first;
991:
992: /* Insert the new word. */
993: size += strlen(s);
994: off = first - c->prompt_buffer;
995: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
996: sizeof *c->prompt_buffer);
997: first = c->prompt_buffer + off;
998: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
999: for (idx = 0; idx < strlen(s); idx++)
1000: utf8_set(&first[idx], s[idx]);
1001: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1002:
1003: free(allocated);
1004: return (1);
1005: }
1006:
1.1 nicm 1007: /* Handle keys in prompt. */
1.154 nicm 1008: int
1.138 nicm 1009: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1010: {
1.152 nicm 1011: struct options *oo = c->session->options;
1.204 nicm 1012: char *s, *cp, prefix = '=';
1.201 nicm 1013: const char *histstr, *ws = NULL, *keystring;
1.204 nicm 1014: size_t size, idx;
1015: struct utf8_data tmp;
1.155 nicm 1016: int keys;
1.1 nicm 1017:
1.201 nicm 1018: if (c->prompt_flags & PROMPT_KEY) {
1019: keystring = key_string_lookup_key(key);
1020: c->prompt_inputcb(c, c->prompt_data, keystring, 1);
1021: status_prompt_clear(c);
1022: return (0);
1023: }
1.152 nicm 1024: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1025:
1026: if (c->prompt_flags & PROMPT_NUMERIC) {
1027: if (key >= '0' && key <= '9')
1028: goto append_key;
1029: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1030: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1031: status_prompt_clear(c);
1032: free(s);
1033: return (1);
1034: }
1.180 nicm 1035: key &= ~KEYC_XTERM;
1.154 nicm 1036:
1.155 nicm 1037: keys = options_get_number(c->session->options, "status-keys");
1038: if (keys == MODEKEY_VI) {
1039: switch (status_prompt_translate_key(c, key, &key)) {
1040: case 1:
1041: goto process_key;
1042: case 2:
1043: goto append_key;
1044: default:
1045: return (0);
1046: }
1047: }
1048:
1049: process_key:
1050: switch (key) {
1051: case KEYC_LEFT:
1052: case '\002': /* C-b */
1.1 nicm 1053: if (c->prompt_index > 0) {
1054: c->prompt_index--;
1.158 nicm 1055: break;
1.1 nicm 1056: }
1057: break;
1.155 nicm 1058: case KEYC_RIGHT:
1059: case '\006': /* C-f */
1.1 nicm 1060: if (c->prompt_index < size) {
1061: c->prompt_index++;
1.158 nicm 1062: break;
1.1 nicm 1063: }
1064: break;
1.155 nicm 1065: case KEYC_HOME:
1066: case '\001': /* C-a */
1.1 nicm 1067: if (c->prompt_index != 0) {
1068: c->prompt_index = 0;
1.158 nicm 1069: break;
1.1 nicm 1070: }
1071: break;
1.155 nicm 1072: case KEYC_END:
1073: case '\005': /* C-e */
1.1 nicm 1074: if (c->prompt_index != size) {
1075: c->prompt_index = size;
1.158 nicm 1076: break;
1.1 nicm 1077: }
1078: break;
1.155 nicm 1079: case '\011': /* Tab */
1.206 nicm 1080: if (status_prompt_replace_complete(c, NULL))
1.204 nicm 1081: goto changed;
1082: break;
1.155 nicm 1083: case KEYC_BSPACE:
1084: case '\010': /* C-h */
1.1 nicm 1085: if (c->prompt_index != 0) {
1086: if (c->prompt_index == size)
1.152 nicm 1087: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1088: else {
1089: memmove(c->prompt_buffer + c->prompt_index - 1,
1090: c->prompt_buffer + c->prompt_index,
1.152 nicm 1091: (size + 1 - c->prompt_index) *
1092: sizeof *c->prompt_buffer);
1.1 nicm 1093: c->prompt_index--;
1094: }
1.158 nicm 1095: goto changed;
1.1 nicm 1096: }
1097: break;
1.155 nicm 1098: case KEYC_DC:
1099: case '\004': /* C-d */
1.1 nicm 1100: if (c->prompt_index != size) {
1101: memmove(c->prompt_buffer + c->prompt_index,
1102: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1103: (size + 1 - c->prompt_index) *
1104: sizeof *c->prompt_buffer);
1.158 nicm 1105: goto changed;
1.18 nicm 1106: }
1.26 nicm 1107: break;
1.155 nicm 1108: case '\025': /* C-u */
1.152 nicm 1109: c->prompt_buffer[0].size = 0;
1.26 nicm 1110: c->prompt_index = 0;
1.158 nicm 1111: goto changed;
1.155 nicm 1112: case '\013': /* C-k */
1.18 nicm 1113: if (c->prompt_index < size) {
1.152 nicm 1114: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1115: goto changed;
1.1 nicm 1116: }
1117: break;
1.155 nicm 1118: case '\027': /* C-w */
1.152 nicm 1119: ws = options_get_string(oo, "word-separators");
1.81 nicm 1120: idx = c->prompt_index;
1121:
1122: /* Find a non-separator. */
1123: while (idx != 0) {
1124: idx--;
1.152 nicm 1125: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1126: break;
1127: }
1128:
1129: /* Find the separator at the beginning of the word. */
1130: while (idx != 0) {
1131: idx--;
1.152 nicm 1132: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1133: /* Go back to the word. */
1134: idx++;
1135: break;
1136: }
1137: }
1138:
1.181 nicm 1139: free(c->prompt_saved);
1140: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1141: (c->prompt_index - idx) + 1);
1142: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1143: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1144:
1.81 nicm 1145: memmove(c->prompt_buffer + idx,
1146: c->prompt_buffer + c->prompt_index,
1.152 nicm 1147: (size + 1 - c->prompt_index) *
1148: sizeof *c->prompt_buffer);
1.81 nicm 1149: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1150: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1151: c->prompt_index = idx;
1.152 nicm 1152:
1.158 nicm 1153: goto changed;
1.155 nicm 1154: case 'f'|KEYC_ESCAPE:
1.180 nicm 1155: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1156: ws = options_get_string(oo, "word-separators");
1.81 nicm 1157:
1158: /* Find a word. */
1159: while (c->prompt_index != size) {
1.152 nicm 1160: idx = ++c->prompt_index;
1161: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1162: break;
1163: }
1164:
1165: /* Find the separator at the end of the word. */
1166: while (c->prompt_index != size) {
1.152 nicm 1167: idx = ++c->prompt_index;
1168: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1169: break;
1170: }
1.106 nicm 1171:
1172: /* Back up to the end-of-word like vi. */
1173: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1174: c->prompt_index != 0)
1175: c->prompt_index--;
1.81 nicm 1176:
1.158 nicm 1177: goto changed;
1.155 nicm 1178: case 'b'|KEYC_ESCAPE:
1.180 nicm 1179: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1180: ws = options_get_string(oo, "word-separators");
1.81 nicm 1181:
1182: /* Find a non-separator. */
1183: while (c->prompt_index != 0) {
1.152 nicm 1184: idx = --c->prompt_index;
1185: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1186: break;
1187: }
1188:
1189: /* Find the separator at the beginning of the word. */
1190: while (c->prompt_index != 0) {
1.152 nicm 1191: idx = --c->prompt_index;
1192: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1193: /* Go back to the word. */
1194: c->prompt_index++;
1195: break;
1196: }
1197: }
1.158 nicm 1198: goto changed;
1.155 nicm 1199: case KEYC_UP:
1200: case '\020': /* C-p */
1.66 nicm 1201: histstr = status_prompt_up_history(&c->prompt_hindex);
1202: if (histstr == NULL)
1.1 nicm 1203: break;
1.94 nicm 1204: free(c->prompt_buffer);
1.152 nicm 1205: c->prompt_buffer = utf8_fromcstr(histstr);
1206: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1207: goto changed;
1.155 nicm 1208: case KEYC_DOWN:
1209: case '\016': /* C-n */
1.66 nicm 1210: histstr = status_prompt_down_history(&c->prompt_hindex);
1211: if (histstr == NULL)
1.65 nicm 1212: break;
1.94 nicm 1213: free(c->prompt_buffer);
1.152 nicm 1214: c->prompt_buffer = utf8_fromcstr(histstr);
1215: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1216: goto changed;
1.155 nicm 1217: case '\031': /* C-y */
1.199 nicm 1218: if (status_prompt_paste(c))
1219: goto changed;
1220: break;
1.155 nicm 1221: case '\024': /* C-t */
1.30 nicm 1222: idx = c->prompt_index;
1223: if (idx < size)
1224: idx++;
1225: if (idx >= 2) {
1.152 nicm 1226: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1227: utf8_copy(&c->prompt_buffer[idx - 2],
1228: &c->prompt_buffer[idx - 1]);
1229: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1230: c->prompt_index = idx;
1.158 nicm 1231: goto changed;
1.30 nicm 1232: }
1.1 nicm 1233: break;
1.155 nicm 1234: case '\r':
1235: case '\n':
1.152 nicm 1236: s = utf8_tocstr(c->prompt_buffer);
1237: if (*s != '\0')
1238: status_prompt_add_history(s);
1.166 nicm 1239: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1240: status_prompt_clear(c);
1.152 nicm 1241: free(s);
1.25 nicm 1242: break;
1.155 nicm 1243: case '\033': /* Escape */
1244: case '\003': /* C-c */
1.174 nicm 1245: case '\007': /* C-g */
1.166 nicm 1246: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1247: status_prompt_clear(c);
1248: break;
1.158 nicm 1249: case '\022': /* C-r */
1250: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1251: prefix = '-';
1252: goto changed;
1253: }
1254: break;
1255: case '\023': /* C-s */
1256: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1257: prefix = '+';
1258: goto changed;
1259: }
1260: break;
1261: default:
1262: goto append_key;
1.154 nicm 1263: }
1.152 nicm 1264:
1.177 nicm 1265: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1266: return (0);
1267:
1.154 nicm 1268: append_key:
1269: if (key <= 0x1f || key >= KEYC_BASE)
1270: return (0);
1271: if (utf8_split(key, &tmp) != UTF8_DONE)
1272: return (0);
1.1 nicm 1273:
1.154 nicm 1274: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1275: sizeof *c->prompt_buffer);
1.1 nicm 1276:
1.154 nicm 1277: if (c->prompt_index == size) {
1278: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1279: c->prompt_index++;
1280: c->prompt_buffer[c->prompt_index].size = 0;
1281: } else {
1282: memmove(c->prompt_buffer + c->prompt_index + 1,
1283: c->prompt_buffer + c->prompt_index,
1284: (size + 1 - c->prompt_index) *
1285: sizeof *c->prompt_buffer);
1286: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1287: c->prompt_index++;
1288: }
1.1 nicm 1289:
1.154 nicm 1290: if (c->prompt_flags & PROMPT_SINGLE) {
1291: s = utf8_tocstr(c->prompt_buffer);
1292: if (strlen(s) != 1)
1293: status_prompt_clear(c);
1.166 nicm 1294: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1295: status_prompt_clear(c);
1296: free(s);
1.1 nicm 1297: }
1.154 nicm 1298:
1.158 nicm 1299: changed:
1.177 nicm 1300: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1301: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1302: s = utf8_tocstr(c->prompt_buffer);
1303: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1304: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1305: free(cp);
1306: free(s);
1307: }
1.154 nicm 1308: return (0);
1.1 nicm 1309: }
1310:
1.65 nicm 1311: /* Get previous line from the history. */
1.151 nicm 1312: static const char *
1.65 nicm 1313: status_prompt_up_history(u_int *idx)
1314: {
1315: /*
1.128 nicm 1316: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1317: * empty.
1.65 nicm 1318: */
1319:
1.128 nicm 1320: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1321: return (NULL);
1322: (*idx)++;
1.128 nicm 1323: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1324: }
1325:
1326: /* Get next line from the history. */
1.151 nicm 1327: static const char *
1.65 nicm 1328: status_prompt_down_history(u_int *idx)
1329: {
1.128 nicm 1330: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1331: return ("");
1332: (*idx)--;
1333: if (*idx == 0)
1334: return ("");
1.128 nicm 1335: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1336: }
1337:
1.1 nicm 1338: /* Add line to the history. */
1.151 nicm 1339: static void
1.65 nicm 1340: status_prompt_add_history(const char *line)
1.1 nicm 1341: {
1.128 nicm 1342: size_t size;
1.65 nicm 1343:
1.128 nicm 1344: if (status_prompt_hsize > 0 &&
1345: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1346: return;
1347:
1.128 nicm 1348: if (status_prompt_hsize == PROMPT_HISTORY) {
1349: free(status_prompt_hlist[0]);
1.1 nicm 1350:
1.128 nicm 1351: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1352: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1353:
1.128 nicm 1354: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1355: return;
1356: }
1.1 nicm 1357:
1.128 nicm 1358: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1359: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1360: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1361: }
1362:
1363: /* Build completion list. */
1.204 nicm 1364: static char **
1365: status_prompt_complete_list(u_int *size, const char *s, int at_start)
1.128 nicm 1366: {
1.183 nicm 1367: char **list = NULL;
1368: const char **layout, *value, *cp;
1.128 nicm 1369: const struct cmd_entry **cmdent;
1370: const struct options_table_entry *oe;
1.183 nicm 1371: size_t slen = strlen(s), valuelen;
1372: struct options_entry *o;
1.191 nicm 1373: struct options_array_item *a;
1.128 nicm 1374: const char *layouts[] = {
1375: "even-horizontal", "even-vertical", "main-horizontal",
1376: "main-vertical", "tiled", NULL
1377: };
1.1 nicm 1378:
1.128 nicm 1379: *size = 0;
1.1 nicm 1380: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1381: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1382: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1383: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1384: }
1.205 nicm 1385: if ((*cmdent)->alias != NULL &&
1386: strncmp((*cmdent)->alias, s, slen) == 0) {
1387: list = xreallocarray(list, (*size) + 1, sizeof *list);
1388: list[(*size)++] = xstrdup((*cmdent)->alias);
1389: }
1.56 nicm 1390: }
1.183 nicm 1391: o = options_get_only(global_options, "command-alias");
1.191 nicm 1392: if (o != NULL) {
1393: a = options_array_first(o);
1394: while (a != NULL) {
1.195 nicm 1395: value = options_array_item_value(a)->string;
1.194 nicm 1396: if ((cp = strchr(value, '=')) == NULL)
1.196 nicm 1397: goto next;
1.183 nicm 1398: valuelen = cp - value;
1399: if (slen > valuelen || strncmp(value, s, slen) != 0)
1.191 nicm 1400: goto next;
1401:
1.183 nicm 1402: list = xreallocarray(list, (*size) + 1, sizeof *list);
1403: list[(*size)++] = xstrndup(value, valuelen);
1.191 nicm 1404:
1405: next:
1406: a = options_array_next(a);
1.183 nicm 1407: }
1408: }
1.204 nicm 1409: if (at_start)
1410: return (list);
1411:
1412: for (oe = options_table; oe->name != NULL; oe++) {
1413: if (strncmp(oe->name, s, slen) == 0) {
1414: list = xreallocarray(list, (*size) + 1, sizeof *list);
1415: list[(*size)++] = xstrdup(oe->name);
1416: }
1417: }
1418: for (layout = layouts; *layout != NULL; layout++) {
1419: if (strncmp(*layout, s, slen) == 0) {
1420: list = xreallocarray(list, (*size) + 1, sizeof *list);
1421: list[(*size)++] = xstrdup(*layout);
1422: }
1423: }
1.128 nicm 1424: return (list);
1425: }
1426:
1427: /* Find longest prefix. */
1.151 nicm 1428: static char *
1.183 nicm 1429: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1430: {
1431: char *out;
1432: u_int i;
1433: size_t j;
1434:
1435: out = xstrdup(list[0]);
1436: for (i = 1; i < size; i++) {
1437: j = strlen(list[i]);
1438: if (j > strlen(out))
1439: j = strlen(out);
1440: for (; j > 0; j--) {
1441: if (out[j - 1] != list[i][j - 1])
1442: out[j - 1] = '\0';
1443: }
1.1 nicm 1444: }
1.128 nicm 1445: return (out);
1446: }
1.1 nicm 1447:
1.204 nicm 1448: /* Complete word menu callback. */
1449: static void
1450: status_prompt_menu_callback(__unused struct menu *menu, u_int idx, key_code key,
1451: void *data)
1452: {
1453: struct status_prompt_menu *spm = data;
1454: struct client *c = spm->c;
1455: u_int i;
1456: char *s;
1457:
1458: if (key != KEYC_NONE) {
1459: idx += spm->start;
1460: if (spm->flag == '\0')
1461: s = xstrdup(spm->list[idx]);
1462: else
1463: xasprintf(&s, "-%c%s", spm->flag, spm->list[idx]);
1.205 nicm 1464: if (c->prompt_flags & PROMPT_WINDOW) {
1465: free(c->prompt_buffer);
1466: c->prompt_buffer = utf8_fromcstr(s);
1467: c->prompt_index = utf8_strlen(c->prompt_buffer);
1468: c->flags |= CLIENT_REDRAWSTATUS;
1469: } else if (status_prompt_replace_complete(c, s))
1.204 nicm 1470: c->flags |= CLIENT_REDRAWSTATUS;
1471: free(s);
1472: }
1473:
1474: for (i = 0; i < spm->size; i++)
1475: free(spm->list[i]);
1476: free(spm->list);
1477: }
1478:
1479: /* Show complete word menu. */
1480: static int
1481: status_prompt_complete_list_menu(struct client *c, char **list, u_int size,
1482: u_int offset, char flag)
1483: {
1484: struct menu *menu;
1485: struct menu_item item;
1486: struct status_prompt_menu *spm;
1487: u_int lines = status_line_size(c), height, i;
1488: u_int py;
1489:
1490: if (size <= 1)
1491: return (0);
1492: if (c->tty.sy - lines < 3)
1493: return (0);
1494:
1495: spm = xmalloc(sizeof *spm);
1496: spm->c = c;
1497: spm->size = size;
1498: spm->list = list;
1499: spm->flag = flag;
1500:
1501: height = c->tty.sy - lines - 2;
1502: if (height > 10)
1503: height = 10;
1504: if (height > size)
1505: height = size;
1506: spm->start = size - height;
1507:
1508: menu = menu_create("");
1509: for (i = spm->start; i < size; i++) {
1510: item.name = list[i];
1511: item.key = '0' + (i - spm->start);
1512: item.command = NULL;
1513: menu_add_item(menu, &item, NULL, NULL, NULL);
1514: }
1515:
1516: if (options_get_number(c->session->options, "status-position") == 0)
1517: py = lines;
1518: else
1519: py = c->tty.sy - 3 - height;
1520: offset += utf8_cstrwidth(c->prompt_string);
1521: if (offset > 2)
1522: offset -= 2;
1523: else
1524: offset = 0;
1525:
1526: if (menu_display(menu, MENU_NOMOUSE|MENU_TAB, NULL, offset,
1527: py, c, NULL, status_prompt_menu_callback, spm) != 0) {
1528: menu_free(menu);
1529: free(spm);
1530: return (0);
1531: }
1532: return (1);
1533: }
1534:
1535: /* Show complete word menu. */
1536: static char *
1537: status_prompt_complete_window_menu(struct client *c, struct session *s,
1.206 nicm 1538: const char *word, u_int offset, char flag)
1.204 nicm 1539: {
1540: struct menu *menu;
1541: struct menu_item item;
1542: struct status_prompt_menu *spm;
1543: struct winlink *wl;
1544: char **list = NULL, *tmp;
1545: u_int lines = status_line_size(c), height;
1546: u_int py, size = 0;
1547:
1548: if (c->tty.sy - lines < 3)
1549: return (NULL);
1550:
1551: spm = xmalloc(sizeof *spm);
1552: spm->c = c;
1553: spm->flag = flag;
1554:
1555: height = c->tty.sy - lines - 2;
1556: if (height > 10)
1557: height = 10;
1558: spm->start = 0;
1559:
1560: menu = menu_create("");
1561: RB_FOREACH(wl, winlinks, &s->windows) {
1.206 nicm 1562: if (word != NULL && *word != '\0') {
1563: xasprintf(&tmp, "%d", wl->idx);
1564: if (strncmp(tmp, word, strlen(word)) != 0) {
1565: free(tmp);
1566: continue;
1567: }
1568: free(tmp);
1569: }
1570:
1.204 nicm 1571: list = xreallocarray(list, size + 1, sizeof *list);
1.205 nicm 1572: if (c->prompt_flags & PROMPT_WINDOW) {
1573: xasprintf(&tmp, "%d (%s)", wl->idx, wl->window->name);
1574: xasprintf(&list[size++], "%d", wl->idx);
1575: } else {
1576: xasprintf(&tmp, "%s:%d (%s)", s->name, wl->idx,
1577: wl->window->name);
1578: xasprintf(&list[size++], "%s:%d", s->name, wl->idx);
1579: }
1.204 nicm 1580: item.name = tmp;
1581: item.key = '0' + size - 1;
1582: item.command = NULL;
1583: menu_add_item(menu, &item, NULL, NULL, NULL);
1584: free(tmp);
1585:
1586: if (size == height)
1587: break;
1588: }
1.206 nicm 1589: if (size == 0) {
1590: menu_free(menu);
1591: return (NULL);
1592: }
1.204 nicm 1593: if (size == 1) {
1594: menu_free(menu);
1.205 nicm 1595: if (flag != '\0') {
1596: xasprintf(&tmp, "-%c%s", flag, list[0]);
1597: free(list[0]);
1598: } else
1599: tmp = list[0];
1.204 nicm 1600: free(list);
1601: return (tmp);
1602: }
1603: if (height > size)
1604: height = size;
1605:
1606: spm->size = size;
1607: spm->list = list;
1608:
1609: if (options_get_number(c->session->options, "status-position") == 0)
1610: py = lines;
1611: else
1612: py = c->tty.sy - 3 - height;
1613: offset += utf8_cstrwidth(c->prompt_string);
1614: if (offset > 2)
1615: offset -= 2;
1616: else
1617: offset = 0;
1618:
1619: if (menu_display(menu, MENU_NOMOUSE|MENU_TAB, NULL, offset,
1620: py, c, NULL, status_prompt_menu_callback, spm) != 0) {
1621: menu_free(menu);
1622: free(spm);
1623: return (NULL);
1624: }
1625: return (NULL);
1626: }
1627:
1628: /* Sort complete list. */
1629: static int
1630: status_prompt_complete_sort(const void *a, const void *b)
1631: {
1632: const char **aa = (const char **)a, **bb = (const char **)b;
1633:
1634: return (strcmp(*aa, *bb));
1635: }
1636:
1.205 nicm 1637: /* Complete a session. */
1638: static char *
1639: status_prompt_complete_session(char ***list, u_int *size, const char *s,
1640: char flag)
1641: {
1642: struct session *loop;
1643: char *out, *tmp;
1644:
1645: RB_FOREACH(loop, sessions, &sessions) {
1646: if (*s != '\0' && strncmp(loop->name, s, strlen(s)) != 0)
1647: continue;
1648: *list = xreallocarray(*list, (*size) + 2, sizeof **list);
1649: xasprintf(&(*list)[(*size)++], "%s:", loop->name);
1650: }
1651: out = status_prompt_complete_prefix(*list, *size);
1652: if (out != NULL && flag != '\0') {
1653: xasprintf(&tmp, "-%c%s", flag, out);
1654: free(out);
1655: out = tmp;
1656: }
1657: return (out);
1658: }
1659:
1.128 nicm 1660: /* Complete word. */
1.151 nicm 1661: static char *
1.204 nicm 1662: status_prompt_complete(struct client *c, const char *word, u_int offset)
1.128 nicm 1663: {
1.205 nicm 1664: struct session *session;
1.204 nicm 1665: const char *s, *colon;
1.205 nicm 1666: char **list = NULL, *copy = NULL, *out = NULL;
1.204 nicm 1667: char flag = '\0';
1.128 nicm 1668: u_int size = 0, i;
1669:
1.206 nicm 1670: if (*word == '\0' &&
1671: ((c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) == 0))
1.1 nicm 1672: return (NULL);
1.128 nicm 1673:
1.206 nicm 1674: if (((c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) == 0) &&
1.205 nicm 1675: strncmp(word, "-t", 2) != 0 &&
1676: strncmp(word, "-s", 2) != 0) {
1.204 nicm 1677: list = status_prompt_complete_list(&size, word, offset == 0);
1.128 nicm 1678: if (size == 0)
1679: out = NULL;
1680: else if (size == 1)
1681: xasprintf(&out, "%s ", list[0]);
1682: else
1683: out = status_prompt_complete_prefix(list, size);
1.204 nicm 1684: goto found;
1.128 nicm 1685: }
1686:
1.206 nicm 1687: if (c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) {
1.205 nicm 1688: s = word;
1689: flag = '\0';
1690: } else {
1691: s = word + 2;
1692: flag = word[1];
1693: offset += 2;
1694: }
1.206 nicm 1695:
1696: /* If this is a window completion, open the window menu. */
1697: if (c->prompt_flags & PROMPT_WINDOW) {
1698: out = status_prompt_complete_window_menu(c, c->session, s,
1699: offset, '\0');
1700: goto found;
1701: }
1.204 nicm 1702: colon = strchr(s, ':');
1.1 nicm 1703:
1.204 nicm 1704: /* If there is no colon, complete as a session. */
1705: if (colon == NULL) {
1.205 nicm 1706: out = status_prompt_complete_session(&list, &size, s, flag);
1.128 nicm 1707: goto found;
1708: }
1709:
1.204 nicm 1710: /* If there is a colon but no period, find session and show a menu. */
1711: if (strchr(colon + 1, '.') == NULL) {
1712: if (*s == ':')
1713: session = c->session;
1714: else {
1715: copy = xstrdup(s);
1716: *strchr(copy, ':') = '\0';
1717: session = session_find(copy);
1718: free(copy);
1719: if (session == NULL)
1720: goto found;
1721: }
1.206 nicm 1722: out = status_prompt_complete_window_menu(c, session, colon + 1,
1723: offset, flag);
1.204 nicm 1724: if (out == NULL)
1725: return (NULL);
1726: }
1.1 nicm 1727:
1.204 nicm 1728: found:
1729: if (size != 0) {
1730: qsort(list, size, sizeof *list, status_prompt_complete_sort);
1731: for (i = 0; i < size; i++)
1732: log_debug("complete %u: %s", i, list[i]);
1733: }
1.128 nicm 1734:
1.204 nicm 1735: if (out != NULL && strcmp(word, out) == 0) {
1736: free(out);
1737: out = NULL;
1.1 nicm 1738: }
1.204 nicm 1739: if (out != NULL ||
1740: !status_prompt_complete_list_menu(c, list, size, offset, flag)) {
1741: for (i = 0; i < size; i++)
1742: free(list[i]);
1743: free(list);
1.128 nicm 1744: }
1745: return (out);
1.1 nicm 1746: }
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