Annotation of src/usr.bin/tmux/status.c, Revision 1.210
1.210 ! nicm 1: /* $OpenBSD: status.c,v 1.209 2020/05/16 15:47:22 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
1.210 ! nicm 426: status_message_set(struct client *c, int ignore_styles, 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);
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:
1.137 nicm 442: delay = options_get_number(c->session->options, "display-time");
1.143 tim 443: if (delay > 0) {
444: tv.tv_sec = delay / 1000;
445: tv.tv_usec = (delay % 1000) * 1000L;
446:
447: if (event_initialized(&c->message_timer))
448: evtimer_del(&c->message_timer);
449: evtimer_set(&c->message_timer, status_message_callback, c);
450: evtimer_add(&c->message_timer, &tv);
451: }
1.1 nicm 452:
453: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 454: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 455: }
456:
1.46 nicm 457: /* Clear status line message. */
1.1 nicm 458: void
459: status_message_clear(struct client *c)
460: {
461: if (c->message_string == NULL)
462: return;
463:
1.94 nicm 464: free(c->message_string);
1.1 nicm 465: c->message_string = NULL;
466:
1.156 nicm 467: if (c->prompt_string == NULL)
468: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 469: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 470:
1.189 nicm 471: status_pop_screen(c);
1.42 nicm 472: }
473:
1.46 nicm 474: /* Clear status line message after timer expires. */
1.151 nicm 475: static void
1.141 nicm 476: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 477: {
478: struct client *c = data;
479:
480: status_message_clear(c);
1.1 nicm 481: }
482:
483: /* Draw client message on status line of present else on last line. */
484: int
485: status_message_redraw(struct client *c)
486: {
1.189 nicm 487: struct status_line *sl = &c->status;
488: struct screen_write_ctx ctx;
489: struct session *s = c->session;
490: struct screen old_screen;
491: size_t len;
492: u_int lines, offset;
493: struct grid_cell gc;
1.207 nicm 494: struct format_tree *ft;
1.1 nicm 495:
496: if (c->tty.sx == 0 || c->tty.sy == 0)
497: return (0);
1.189 nicm 498: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 499:
1.182 nicm 500: lines = status_line_size(c);
1.189 nicm 501: if (lines <= 1)
1.173 nicm 502: lines = 1;
1.190 nicm 503: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 504:
1.139 nicm 505: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 506: if (len > c->tty.sx)
507: len = c->tty.sx;
508:
1.207 nicm 509: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
510: style_apply(&gc, s->options, "message-style", ft);
511: format_free(ft);
1.1 nicm 512:
1.208 nicm 513: screen_write_start(&ctx, sl->active);
1.192 nicm 514: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
515: screen_write_cursormove(&ctx, 0, lines - 1, 0);
516: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 517: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 518: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.210 ! nicm 519: if (c->message_ignore_styles)
! 520: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
! 521: else
! 522: format_draw(&ctx, &gc, c->tty.sx, c->message_string, NULL);
1.1 nicm 523: screen_write_stop(&ctx);
524:
1.189 nicm 525: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
526: screen_free(&old_screen);
1.1 nicm 527: return (0);
528: }
1.189 nicm 529: screen_free(&old_screen);
1.1 nicm 530: return (1);
531: }
532:
1.46 nicm 533: /* Enable status line prompt. */
1.1 nicm 534: void
1.76 nicm 535: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 536: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 537: {
1.122 nicm 538: struct format_tree *ft;
1.165 nicm 539: char *tmp, *cp;
1.122 nicm 540:
1.164 nicm 541: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 542: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 543:
1.168 nicm 544: if (input == NULL)
545: input = "";
546: if (flags & PROMPT_NOFORMAT)
547: tmp = xstrdup(input);
548: else
1.185 nicm 549: tmp = format_expand_time(ft, input);
1.20 nicm 550:
1.12 nicm 551: status_message_clear(c);
552: status_prompt_clear(c);
1.189 nicm 553: status_push_screen(c);
1.12 nicm 554:
1.185 nicm 555: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 556:
1.152 nicm 557: c->prompt_buffer = utf8_fromcstr(tmp);
558: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 559:
1.166 nicm 560: c->prompt_inputcb = inputcb;
561: c->prompt_freecb = freecb;
1.1 nicm 562: c->prompt_data = data;
563:
564: c->prompt_hindex = 0;
565:
566: c->prompt_flags = flags;
1.155 nicm 567: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 568:
1.158 nicm 569: if (~flags & PROMPT_INCREMENTAL)
570: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 571: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 572:
573: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
574: xasprintf(&cp, "=%s", tmp);
1.166 nicm 575: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 576: free(cp);
577: }
1.122 nicm 578:
1.152 nicm 579: free(tmp);
1.122 nicm 580: format_free(ft);
1.1 nicm 581: }
582:
1.46 nicm 583: /* Remove status line prompt. */
1.1 nicm 584: void
585: status_prompt_clear(struct client *c)
586: {
1.55 nicm 587: if (c->prompt_string == NULL)
1.1 nicm 588: return;
589:
1.166 nicm 590: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
591: c->prompt_freecb(c->prompt_data);
1.1 nicm 592:
1.94 nicm 593: free(c->prompt_string);
1.1 nicm 594: c->prompt_string = NULL;
595:
1.94 nicm 596: free(c->prompt_buffer);
1.1 nicm 597: c->prompt_buffer = NULL;
598:
1.181 nicm 599: free(c->prompt_saved);
600: c->prompt_saved = NULL;
601:
1.1 nicm 602: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 603: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 604:
1.189 nicm 605: status_pop_screen(c);
1.27 nicm 606: }
607:
1.46 nicm 608: /* Update status line prompt with a new prompt string. */
1.27 nicm 609: void
1.76 nicm 610: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 611: {
1.122 nicm 612: struct format_tree *ft;
1.152 nicm 613: char *tmp;
1.122 nicm 614:
1.164 nicm 615: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 616: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 617:
1.185 nicm 618: tmp = format_expand_time(ft, input);
1.122 nicm 619:
1.94 nicm 620: free(c->prompt_string);
1.185 nicm 621: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 622:
1.94 nicm 623: free(c->prompt_buffer);
1.152 nicm 624: c->prompt_buffer = utf8_fromcstr(tmp);
625: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 626:
627: c->prompt_hindex = 0;
628:
1.177 nicm 629: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 630:
1.152 nicm 631: free(tmp);
1.122 nicm 632: format_free(ft);
1.1 nicm 633: }
634:
635: /* Draw client prompt on status line of present else on last line. */
636: int
637: status_prompt_redraw(struct client *c)
638: {
1.189 nicm 639: struct status_line *sl = &c->status;
1.152 nicm 640: struct screen_write_ctx ctx;
641: struct session *s = c->session;
1.189 nicm 642: struct screen old_screen;
643: u_int i, lines, offset, left, start, width;
644: u_int pcursor, pwidth;
1.152 nicm 645: struct grid_cell gc, cursorgc;
1.207 nicm 646: struct format_tree *ft;
1.1 nicm 647:
648: if (c->tty.sx == 0 || c->tty.sy == 0)
649: return (0);
1.189 nicm 650: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 651:
1.182 nicm 652: lines = status_line_size(c);
1.189 nicm 653: if (lines <= 1)
1.173 nicm 654: lines = 1;
1.189 nicm 655: screen_init(sl->active, c->tty.sx, lines, 0);
1.1 nicm 656:
1.207 nicm 657: ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
1.155 nicm 658: if (c->prompt_mode == PROMPT_COMMAND)
1.207 nicm 659: style_apply(&gc, s->options, "message-command-style", ft);
1.108 nicm 660: else
1.207 nicm 661: style_apply(&gc, s->options, "message-style", ft);
662: format_free(ft);
1.1 nicm 663:
1.152 nicm 664: memcpy(&cursorgc, &gc, sizeof cursorgc);
665: cursorgc.attr ^= GRID_ATTR_REVERSE;
666:
667: start = screen_write_strlen("%s", c->prompt_string);
668: if (start > c->tty.sx)
669: start = c->tty.sx;
670:
1.208 nicm 671: screen_write_start(&ctx, sl->active);
1.192 nicm 672: screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1);
673: screen_write_cursormove(&ctx, 0, lines - 1, 0);
674: for (offset = 0; offset < c->tty.sx; offset++)
1.170 nicm 675: screen_write_putc(&ctx, &gc, ' ');
1.192 nicm 676: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.152 nicm 677: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.192 nicm 678: screen_write_cursormove(&ctx, start, lines - 1, 0);
1.1 nicm 679:
1.152 nicm 680: left = c->tty.sx - start;
681: if (left == 0)
682: goto finished;
683:
684: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
685: pwidth = utf8_strwidth(c->prompt_buffer, -1);
686: if (pcursor >= left) {
687: /*
688: * The cursor would be outside the screen so start drawing
689: * with it on the right.
690: */
691: offset = (pcursor - left) + 1;
692: pwidth = left;
693: } else
694: offset = 0;
695: if (pwidth > left)
696: pwidth = left;
697:
698: width = 0;
699: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
700: if (width < offset) {
701: width += c->prompt_buffer[i].width;
702: continue;
1.1 nicm 703: }
1.152 nicm 704: if (width >= offset + pwidth)
705: break;
706: width += c->prompt_buffer[i].width;
707: if (width > offset + pwidth)
708: break;
1.1 nicm 709:
1.152 nicm 710: if (i != c->prompt_index) {
711: utf8_copy(&gc.data, &c->prompt_buffer[i]);
712: screen_write_cell(&ctx, &gc);
713: } else {
714: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
715: screen_write_cell(&ctx, &cursorgc);
716: }
1.1 nicm 717: }
1.189 nicm 718: if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i)
1.152 nicm 719: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 720:
1.152 nicm 721: finished:
1.1 nicm 722: screen_write_stop(&ctx);
1.51 nicm 723:
1.189 nicm 724: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
725: screen_free(&old_screen);
1.1 nicm 726: return (0);
727: }
1.189 nicm 728: screen_free(&old_screen);
1.1 nicm 729: return (1);
730: }
731:
1.152 nicm 732: /* Is this a separator? */
733: static int
734: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
735: {
736: if (ud->size != 1 || ud->width != 1)
737: return (0);
738: return (strchr(ws, *ud->data) != NULL);
739: }
740:
741: /* Is this a space? */
742: static int
743: status_prompt_space(const struct utf8_data *ud)
744: {
745: if (ud->size != 1 || ud->width != 1)
746: return (0);
747: return (*ud->data == ' ');
748: }
749:
1.155 nicm 750: /*
751: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
752: * as an emacs key; return 2 to append to the buffer.
753: */
754: static int
755: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
756: {
757: if (c->prompt_mode == PROMPT_ENTRY) {
758: switch (key) {
759: case '\003': /* C-c */
1.202 nicm 760: case '\007': /* C-g */
1.155 nicm 761: case '\010': /* C-h */
762: case '\011': /* Tab */
763: case '\025': /* C-u */
764: case '\027': /* C-w */
765: case '\n':
766: case '\r':
767: case KEYC_BSPACE:
768: case KEYC_DC:
769: case KEYC_DOWN:
770: case KEYC_END:
771: case KEYC_HOME:
772: case KEYC_LEFT:
773: case KEYC_RIGHT:
774: case KEYC_UP:
775: *new_key = key;
776: return (1);
777: case '\033': /* Escape */
778: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 779: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 780: return (0);
781: }
782: *new_key = key;
783: return (2);
784: }
785:
786: switch (key) {
787: case 'A':
788: case 'I':
789: case 'C':
790: case 's':
791: case 'a':
792: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 793: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 794: break; /* switch mode and... */
795: case 'S':
796: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 797: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 798: *new_key = '\025'; /* C-u */
799: return (1);
800: case 'i':
801: case '\033': /* Escape */
802: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 803: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 804: return (0);
805: }
806:
807: switch (key) {
808: case 'A':
809: case '$':
810: *new_key = KEYC_END;
811: return (1);
812: case 'I':
813: case '0':
814: case '^':
815: *new_key = KEYC_HOME;
816: return (1);
817: case 'C':
818: case 'D':
819: *new_key = '\013'; /* C-k */
820: return (1);
821: case KEYC_BSPACE:
822: case 'X':
823: *new_key = KEYC_BSPACE;
824: return (1);
825: case 'b':
826: case 'B':
827: *new_key = 'b'|KEYC_ESCAPE;
828: return (1);
829: case 'd':
830: *new_key = '\025';
831: return (1);
832: case 'e':
833: case 'E':
834: case 'w':
835: case 'W':
836: *new_key = 'f'|KEYC_ESCAPE;
837: return (1);
838: case 'p':
839: *new_key = '\031'; /* C-y */
1.202 nicm 840: return (1);
841: case 'q':
842: *new_key = '\003'; /* C-c */
1.155 nicm 843: return (1);
844: case 's':
845: case KEYC_DC:
846: case 'x':
847: *new_key = KEYC_DC;
848: return (1);
849: case KEYC_DOWN:
850: case 'j':
851: *new_key = KEYC_DOWN;
852: return (1);
853: case KEYC_LEFT:
854: case 'h':
855: *new_key = KEYC_LEFT;
856: return (1);
857: case 'a':
858: case KEYC_RIGHT:
859: case 'l':
860: *new_key = KEYC_RIGHT;
861: return (1);
862: case KEYC_UP:
863: case 'k':
864: *new_key = KEYC_UP;
865: return (1);
866: case '\010' /* C-h */:
867: case '\003' /* C-c */:
868: case '\n':
869: case '\r':
870: return (1);
871: }
872: return (0);
873: }
874:
1.199 nicm 875: /* Paste into prompt. */
876: static int
877: status_prompt_paste(struct client *c)
878: {
879: struct paste_buffer *pb;
880: const char *bufdata;
881: size_t size, n, bufsize;
882: u_int i;
883: struct utf8_data *ud, *udp;
884: enum utf8_state more;
885:
886: size = utf8_strlen(c->prompt_buffer);
887: if (c->prompt_saved != NULL) {
888: ud = c->prompt_saved;
889: n = utf8_strlen(c->prompt_saved);
890: } else {
891: if ((pb = paste_get_top(NULL)) == NULL)
892: return (0);
893: bufdata = paste_buffer_data(pb, &bufsize);
1.200 nicm 894: ud = xreallocarray(NULL, bufsize + 1, sizeof *ud);
1.199 nicm 895: udp = ud;
896: for (i = 0; i != bufsize; /* nothing */) {
897: more = utf8_open(udp, bufdata[i]);
898: if (more == UTF8_MORE) {
899: while (++i != bufsize && more == UTF8_MORE)
900: more = utf8_append(udp, bufdata[i]);
901: if (more == UTF8_DONE) {
902: udp++;
903: continue;
904: }
905: i -= udp->have;
906: }
907: if (bufdata[i] <= 31 || bufdata[i] >= 127)
908: break;
909: utf8_set(udp, bufdata[i]);
910: udp++;
911: i++;
912: }
913: udp->size = 0;
914: n = udp - ud;
915: }
916: if (n == 0)
917: return (0);
918:
919: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
920: sizeof *c->prompt_buffer);
921: if (c->prompt_index == size) {
922: memcpy(c->prompt_buffer + c->prompt_index, ud,
923: n * sizeof *c->prompt_buffer);
924: c->prompt_index += n;
925: c->prompt_buffer[c->prompt_index].size = 0;
926: } else {
927: memmove(c->prompt_buffer + c->prompt_index + n,
928: c->prompt_buffer + c->prompt_index,
929: (size + 1 - c->prompt_index) * sizeof *c->prompt_buffer);
930: memcpy(c->prompt_buffer + c->prompt_index, ud,
931: n * sizeof *c->prompt_buffer);
932: c->prompt_index += n;
933: }
934:
935: if (ud != c->prompt_saved)
936: free(ud);
937: return (1);
938: }
939:
1.204 nicm 940: /* Finish completion. */
941: static int
942: status_prompt_replace_complete(struct client *c, const char *s)
943: {
944: char word[64], *allocated = NULL;
945: size_t size, n, off, idx, used;
946: struct utf8_data *first, *last, *ud;
947:
1.205 nicm 948: /* Work out where the cursor currently is. */
1.204 nicm 949: idx = c->prompt_index;
950: if (idx != 0)
951: idx--;
1.205 nicm 952: size = utf8_strlen(c->prompt_buffer);
1.204 nicm 953:
954: /* Find the word we are in. */
955: first = &c->prompt_buffer[idx];
956: while (first > c->prompt_buffer && !status_prompt_space(first))
957: first--;
958: while (first->size != 0 && status_prompt_space(first))
959: first++;
960: last = &c->prompt_buffer[idx];
961: while (last->size != 0 && !status_prompt_space(last))
962: last++;
963: while (last > c->prompt_buffer && status_prompt_space(last))
964: last--;
965: if (last->size != 0)
966: last++;
1.205 nicm 967: if (last < first)
1.204 nicm 968: return (0);
969: if (s == NULL) {
970: used = 0;
971: for (ud = first; ud < last; ud++) {
972: if (used + ud->size >= sizeof word)
973: break;
974: memcpy(word + used, ud->data, ud->size);
975: used += ud->size;
976: }
977: if (ud != last)
978: return (0);
979: word[used] = '\0';
980: }
981:
982: /* Try to complete it. */
983: if (s == NULL) {
984: allocated = status_prompt_complete(c, word,
985: first - c->prompt_buffer);
986: if (allocated == NULL)
987: return (0);
988: s = allocated;
989: }
990:
991: /* Trim out word. */
992: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
993: memmove(first, last, n * sizeof *c->prompt_buffer);
994: size -= last - first;
995:
996: /* Insert the new word. */
997: size += strlen(s);
998: off = first - c->prompt_buffer;
999: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1000: sizeof *c->prompt_buffer);
1001: first = c->prompt_buffer + off;
1002: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1003: for (idx = 0; idx < strlen(s); idx++)
1004: utf8_set(&first[idx], s[idx]);
1005: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1006:
1007: free(allocated);
1008: return (1);
1009: }
1010:
1.1 nicm 1011: /* Handle keys in prompt. */
1.154 nicm 1012: int
1.138 nicm 1013: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1014: {
1.152 nicm 1015: struct options *oo = c->session->options;
1.204 nicm 1016: char *s, *cp, prefix = '=';
1.201 nicm 1017: const char *histstr, *ws = NULL, *keystring;
1.204 nicm 1018: size_t size, idx;
1019: struct utf8_data tmp;
1.155 nicm 1020: int keys;
1.1 nicm 1021:
1.201 nicm 1022: if (c->prompt_flags & PROMPT_KEY) {
1023: keystring = key_string_lookup_key(key);
1024: c->prompt_inputcb(c, c->prompt_data, keystring, 1);
1025: status_prompt_clear(c);
1026: return (0);
1027: }
1.152 nicm 1028: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1029:
1030: if (c->prompt_flags & PROMPT_NUMERIC) {
1031: if (key >= '0' && key <= '9')
1032: goto append_key;
1033: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1034: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1035: status_prompt_clear(c);
1036: free(s);
1037: return (1);
1038: }
1.180 nicm 1039: key &= ~KEYC_XTERM;
1.154 nicm 1040:
1.155 nicm 1041: keys = options_get_number(c->session->options, "status-keys");
1042: if (keys == MODEKEY_VI) {
1043: switch (status_prompt_translate_key(c, key, &key)) {
1044: case 1:
1045: goto process_key;
1046: case 2:
1047: goto append_key;
1048: default:
1049: return (0);
1050: }
1051: }
1052:
1053: process_key:
1054: switch (key) {
1055: case KEYC_LEFT:
1056: case '\002': /* C-b */
1.1 nicm 1057: if (c->prompt_index > 0) {
1058: c->prompt_index--;
1.158 nicm 1059: break;
1.1 nicm 1060: }
1061: break;
1.155 nicm 1062: case KEYC_RIGHT:
1063: case '\006': /* C-f */
1.1 nicm 1064: if (c->prompt_index < size) {
1065: c->prompt_index++;
1.158 nicm 1066: break;
1.1 nicm 1067: }
1068: break;
1.155 nicm 1069: case KEYC_HOME:
1070: case '\001': /* C-a */
1.1 nicm 1071: if (c->prompt_index != 0) {
1072: c->prompt_index = 0;
1.158 nicm 1073: break;
1.1 nicm 1074: }
1075: break;
1.155 nicm 1076: case KEYC_END:
1077: case '\005': /* C-e */
1.1 nicm 1078: if (c->prompt_index != size) {
1079: c->prompt_index = size;
1.158 nicm 1080: break;
1.1 nicm 1081: }
1082: break;
1.155 nicm 1083: case '\011': /* Tab */
1.206 nicm 1084: if (status_prompt_replace_complete(c, NULL))
1.204 nicm 1085: goto changed;
1086: break;
1.155 nicm 1087: case KEYC_BSPACE:
1088: case '\010': /* C-h */
1.1 nicm 1089: if (c->prompt_index != 0) {
1090: if (c->prompt_index == size)
1.152 nicm 1091: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1092: else {
1093: memmove(c->prompt_buffer + c->prompt_index - 1,
1094: c->prompt_buffer + c->prompt_index,
1.152 nicm 1095: (size + 1 - c->prompt_index) *
1096: sizeof *c->prompt_buffer);
1.1 nicm 1097: c->prompt_index--;
1098: }
1.158 nicm 1099: goto changed;
1.1 nicm 1100: }
1101: break;
1.155 nicm 1102: case KEYC_DC:
1103: case '\004': /* C-d */
1.1 nicm 1104: if (c->prompt_index != size) {
1105: memmove(c->prompt_buffer + c->prompt_index,
1106: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1107: (size + 1 - c->prompt_index) *
1108: sizeof *c->prompt_buffer);
1.158 nicm 1109: goto changed;
1.18 nicm 1110: }
1.26 nicm 1111: break;
1.155 nicm 1112: case '\025': /* C-u */
1.152 nicm 1113: c->prompt_buffer[0].size = 0;
1.26 nicm 1114: c->prompt_index = 0;
1.158 nicm 1115: goto changed;
1.155 nicm 1116: case '\013': /* C-k */
1.18 nicm 1117: if (c->prompt_index < size) {
1.152 nicm 1118: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1119: goto changed;
1.1 nicm 1120: }
1121: break;
1.155 nicm 1122: case '\027': /* C-w */
1.152 nicm 1123: ws = options_get_string(oo, "word-separators");
1.81 nicm 1124: idx = c->prompt_index;
1125:
1126: /* Find a non-separator. */
1127: while (idx != 0) {
1128: idx--;
1.152 nicm 1129: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1130: break;
1131: }
1132:
1133: /* Find the separator at the beginning of the word. */
1134: while (idx != 0) {
1135: idx--;
1.152 nicm 1136: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1137: /* Go back to the word. */
1138: idx++;
1139: break;
1140: }
1141: }
1142:
1.181 nicm 1143: free(c->prompt_saved);
1144: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1145: (c->prompt_index - idx) + 1);
1146: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1147: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1148:
1.81 nicm 1149: memmove(c->prompt_buffer + idx,
1150: c->prompt_buffer + c->prompt_index,
1.152 nicm 1151: (size + 1 - c->prompt_index) *
1152: sizeof *c->prompt_buffer);
1.81 nicm 1153: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1154: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1155: c->prompt_index = idx;
1.152 nicm 1156:
1.158 nicm 1157: goto changed;
1.155 nicm 1158: case 'f'|KEYC_ESCAPE:
1.180 nicm 1159: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1160: ws = options_get_string(oo, "word-separators");
1.81 nicm 1161:
1162: /* Find a word. */
1163: while (c->prompt_index != size) {
1.152 nicm 1164: idx = ++c->prompt_index;
1165: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1166: break;
1167: }
1168:
1169: /* Find the separator at the end of the word. */
1170: while (c->prompt_index != size) {
1.152 nicm 1171: idx = ++c->prompt_index;
1172: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1173: break;
1174: }
1.106 nicm 1175:
1176: /* Back up to the end-of-word like vi. */
1177: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1178: c->prompt_index != 0)
1179: c->prompt_index--;
1.81 nicm 1180:
1.158 nicm 1181: goto changed;
1.155 nicm 1182: case 'b'|KEYC_ESCAPE:
1.180 nicm 1183: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1184: ws = options_get_string(oo, "word-separators");
1.81 nicm 1185:
1186: /* Find a non-separator. */
1187: while (c->prompt_index != 0) {
1.152 nicm 1188: idx = --c->prompt_index;
1189: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1190: break;
1191: }
1192:
1193: /* Find the separator at the beginning of the word. */
1194: while (c->prompt_index != 0) {
1.152 nicm 1195: idx = --c->prompt_index;
1196: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1197: /* Go back to the word. */
1198: c->prompt_index++;
1199: break;
1200: }
1201: }
1.158 nicm 1202: goto changed;
1.155 nicm 1203: case KEYC_UP:
1204: case '\020': /* C-p */
1.66 nicm 1205: histstr = status_prompt_up_history(&c->prompt_hindex);
1206: if (histstr == NULL)
1.1 nicm 1207: break;
1.94 nicm 1208: free(c->prompt_buffer);
1.152 nicm 1209: c->prompt_buffer = utf8_fromcstr(histstr);
1210: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1211: goto changed;
1.155 nicm 1212: case KEYC_DOWN:
1213: case '\016': /* C-n */
1.66 nicm 1214: histstr = status_prompt_down_history(&c->prompt_hindex);
1215: if (histstr == NULL)
1.65 nicm 1216: break;
1.94 nicm 1217: free(c->prompt_buffer);
1.152 nicm 1218: c->prompt_buffer = utf8_fromcstr(histstr);
1219: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1220: goto changed;
1.155 nicm 1221: case '\031': /* C-y */
1.199 nicm 1222: if (status_prompt_paste(c))
1223: goto changed;
1224: break;
1.155 nicm 1225: case '\024': /* C-t */
1.30 nicm 1226: idx = c->prompt_index;
1227: if (idx < size)
1228: idx++;
1229: if (idx >= 2) {
1.152 nicm 1230: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1231: utf8_copy(&c->prompt_buffer[idx - 2],
1232: &c->prompt_buffer[idx - 1]);
1233: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1234: c->prompt_index = idx;
1.158 nicm 1235: goto changed;
1.30 nicm 1236: }
1.1 nicm 1237: break;
1.155 nicm 1238: case '\r':
1239: case '\n':
1.152 nicm 1240: s = utf8_tocstr(c->prompt_buffer);
1241: if (*s != '\0')
1242: status_prompt_add_history(s);
1.166 nicm 1243: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1244: status_prompt_clear(c);
1.152 nicm 1245: free(s);
1.25 nicm 1246: break;
1.155 nicm 1247: case '\033': /* Escape */
1248: case '\003': /* C-c */
1.174 nicm 1249: case '\007': /* C-g */
1.166 nicm 1250: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1251: status_prompt_clear(c);
1252: break;
1.158 nicm 1253: case '\022': /* C-r */
1254: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1255: prefix = '-';
1256: goto changed;
1257: }
1258: break;
1259: case '\023': /* C-s */
1260: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1261: prefix = '+';
1262: goto changed;
1263: }
1264: break;
1265: default:
1266: goto append_key;
1.154 nicm 1267: }
1.152 nicm 1268:
1.177 nicm 1269: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1270: return (0);
1271:
1.154 nicm 1272: append_key:
1273: if (key <= 0x1f || key >= KEYC_BASE)
1274: return (0);
1275: if (utf8_split(key, &tmp) != UTF8_DONE)
1276: return (0);
1.1 nicm 1277:
1.154 nicm 1278: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1279: sizeof *c->prompt_buffer);
1.1 nicm 1280:
1.154 nicm 1281: if (c->prompt_index == size) {
1282: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1283: c->prompt_index++;
1284: c->prompt_buffer[c->prompt_index].size = 0;
1285: } else {
1286: memmove(c->prompt_buffer + c->prompt_index + 1,
1287: c->prompt_buffer + c->prompt_index,
1288: (size + 1 - c->prompt_index) *
1289: sizeof *c->prompt_buffer);
1290: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1291: c->prompt_index++;
1292: }
1.1 nicm 1293:
1.154 nicm 1294: if (c->prompt_flags & PROMPT_SINGLE) {
1295: s = utf8_tocstr(c->prompt_buffer);
1296: if (strlen(s) != 1)
1297: status_prompt_clear(c);
1.166 nicm 1298: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1299: status_prompt_clear(c);
1300: free(s);
1.1 nicm 1301: }
1.154 nicm 1302:
1.158 nicm 1303: changed:
1.177 nicm 1304: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1305: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1306: s = utf8_tocstr(c->prompt_buffer);
1307: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1308: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1309: free(cp);
1310: free(s);
1311: }
1.154 nicm 1312: return (0);
1.1 nicm 1313: }
1314:
1.65 nicm 1315: /* Get previous line from the history. */
1.151 nicm 1316: static const char *
1.65 nicm 1317: status_prompt_up_history(u_int *idx)
1318: {
1319: /*
1.128 nicm 1320: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1321: * empty.
1.65 nicm 1322: */
1323:
1.128 nicm 1324: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1325: return (NULL);
1326: (*idx)++;
1.128 nicm 1327: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1328: }
1329:
1330: /* Get next line from the history. */
1.151 nicm 1331: static const char *
1.65 nicm 1332: status_prompt_down_history(u_int *idx)
1333: {
1.128 nicm 1334: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1335: return ("");
1336: (*idx)--;
1337: if (*idx == 0)
1338: return ("");
1.128 nicm 1339: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1340: }
1341:
1.1 nicm 1342: /* Add line to the history. */
1.151 nicm 1343: static void
1.65 nicm 1344: status_prompt_add_history(const char *line)
1.1 nicm 1345: {
1.128 nicm 1346: size_t size;
1.65 nicm 1347:
1.128 nicm 1348: if (status_prompt_hsize > 0 &&
1349: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1350: return;
1351:
1.128 nicm 1352: if (status_prompt_hsize == PROMPT_HISTORY) {
1353: free(status_prompt_hlist[0]);
1.1 nicm 1354:
1.128 nicm 1355: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1356: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1357:
1.128 nicm 1358: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1359: return;
1360: }
1.1 nicm 1361:
1.128 nicm 1362: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1363: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1364: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1365: }
1366:
1367: /* Build completion list. */
1.204 nicm 1368: static char **
1369: status_prompt_complete_list(u_int *size, const char *s, int at_start)
1.128 nicm 1370: {
1.183 nicm 1371: char **list = NULL;
1372: const char **layout, *value, *cp;
1.128 nicm 1373: const struct cmd_entry **cmdent;
1374: const struct options_table_entry *oe;
1.183 nicm 1375: size_t slen = strlen(s), valuelen;
1376: struct options_entry *o;
1.191 nicm 1377: struct options_array_item *a;
1.128 nicm 1378: const char *layouts[] = {
1379: "even-horizontal", "even-vertical", "main-horizontal",
1380: "main-vertical", "tiled", NULL
1381: };
1.1 nicm 1382:
1.128 nicm 1383: *size = 0;
1.1 nicm 1384: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1385: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1386: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1387: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1388: }
1.205 nicm 1389: if ((*cmdent)->alias != NULL &&
1390: strncmp((*cmdent)->alias, s, slen) == 0) {
1391: list = xreallocarray(list, (*size) + 1, sizeof *list);
1392: list[(*size)++] = xstrdup((*cmdent)->alias);
1393: }
1.56 nicm 1394: }
1.183 nicm 1395: o = options_get_only(global_options, "command-alias");
1.191 nicm 1396: if (o != NULL) {
1397: a = options_array_first(o);
1398: while (a != NULL) {
1.195 nicm 1399: value = options_array_item_value(a)->string;
1.194 nicm 1400: if ((cp = strchr(value, '=')) == NULL)
1.196 nicm 1401: goto next;
1.183 nicm 1402: valuelen = cp - value;
1403: if (slen > valuelen || strncmp(value, s, slen) != 0)
1.191 nicm 1404: goto next;
1405:
1.183 nicm 1406: list = xreallocarray(list, (*size) + 1, sizeof *list);
1407: list[(*size)++] = xstrndup(value, valuelen);
1.191 nicm 1408:
1409: next:
1410: a = options_array_next(a);
1.183 nicm 1411: }
1412: }
1.204 nicm 1413: if (at_start)
1414: return (list);
1415:
1416: for (oe = options_table; oe->name != NULL; oe++) {
1417: if (strncmp(oe->name, s, slen) == 0) {
1418: list = xreallocarray(list, (*size) + 1, sizeof *list);
1419: list[(*size)++] = xstrdup(oe->name);
1420: }
1421: }
1422: for (layout = layouts; *layout != NULL; layout++) {
1423: if (strncmp(*layout, s, slen) == 0) {
1424: list = xreallocarray(list, (*size) + 1, sizeof *list);
1425: list[(*size)++] = xstrdup(*layout);
1426: }
1427: }
1.128 nicm 1428: return (list);
1429: }
1430:
1431: /* Find longest prefix. */
1.151 nicm 1432: static char *
1.183 nicm 1433: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1434: {
1435: char *out;
1436: u_int i;
1437: size_t j;
1438:
1439: out = xstrdup(list[0]);
1440: for (i = 1; i < size; i++) {
1441: j = strlen(list[i]);
1442: if (j > strlen(out))
1443: j = strlen(out);
1444: for (; j > 0; j--) {
1445: if (out[j - 1] != list[i][j - 1])
1446: out[j - 1] = '\0';
1447: }
1.1 nicm 1448: }
1.128 nicm 1449: return (out);
1450: }
1.1 nicm 1451:
1.204 nicm 1452: /* Complete word menu callback. */
1453: static void
1454: status_prompt_menu_callback(__unused struct menu *menu, u_int idx, key_code key,
1455: void *data)
1456: {
1457: struct status_prompt_menu *spm = data;
1458: struct client *c = spm->c;
1459: u_int i;
1460: char *s;
1461:
1462: if (key != KEYC_NONE) {
1463: idx += spm->start;
1464: if (spm->flag == '\0')
1465: s = xstrdup(spm->list[idx]);
1466: else
1467: xasprintf(&s, "-%c%s", spm->flag, spm->list[idx]);
1.205 nicm 1468: if (c->prompt_flags & PROMPT_WINDOW) {
1469: free(c->prompt_buffer);
1470: c->prompt_buffer = utf8_fromcstr(s);
1471: c->prompt_index = utf8_strlen(c->prompt_buffer);
1472: c->flags |= CLIENT_REDRAWSTATUS;
1473: } else if (status_prompt_replace_complete(c, s))
1.204 nicm 1474: c->flags |= CLIENT_REDRAWSTATUS;
1475: free(s);
1476: }
1477:
1478: for (i = 0; i < spm->size; i++)
1479: free(spm->list[i]);
1480: free(spm->list);
1481: }
1482:
1483: /* Show complete word menu. */
1484: static int
1485: status_prompt_complete_list_menu(struct client *c, char **list, u_int size,
1486: u_int offset, char flag)
1487: {
1488: struct menu *menu;
1489: struct menu_item item;
1490: struct status_prompt_menu *spm;
1491: u_int lines = status_line_size(c), height, i;
1492: u_int py;
1493:
1494: if (size <= 1)
1495: return (0);
1496: if (c->tty.sy - lines < 3)
1497: return (0);
1498:
1499: spm = xmalloc(sizeof *spm);
1500: spm->c = c;
1501: spm->size = size;
1502: spm->list = list;
1503: spm->flag = flag;
1504:
1505: height = c->tty.sy - lines - 2;
1506: if (height > 10)
1507: height = 10;
1508: if (height > size)
1509: height = size;
1510: spm->start = size - height;
1511:
1512: menu = menu_create("");
1513: for (i = spm->start; i < size; i++) {
1514: item.name = list[i];
1515: item.key = '0' + (i - spm->start);
1516: item.command = NULL;
1517: menu_add_item(menu, &item, NULL, NULL, NULL);
1518: }
1519:
1520: if (options_get_number(c->session->options, "status-position") == 0)
1521: py = lines;
1522: else
1523: py = c->tty.sy - 3 - height;
1524: offset += utf8_cstrwidth(c->prompt_string);
1525: if (offset > 2)
1526: offset -= 2;
1527: else
1528: offset = 0;
1529:
1530: if (menu_display(menu, MENU_NOMOUSE|MENU_TAB, NULL, offset,
1531: py, c, NULL, status_prompt_menu_callback, spm) != 0) {
1532: menu_free(menu);
1533: free(spm);
1534: return (0);
1535: }
1536: return (1);
1537: }
1538:
1539: /* Show complete word menu. */
1540: static char *
1541: status_prompt_complete_window_menu(struct client *c, struct session *s,
1.206 nicm 1542: const char *word, u_int offset, char flag)
1.204 nicm 1543: {
1544: struct menu *menu;
1545: struct menu_item item;
1546: struct status_prompt_menu *spm;
1547: struct winlink *wl;
1548: char **list = NULL, *tmp;
1549: u_int lines = status_line_size(c), height;
1550: u_int py, size = 0;
1551:
1552: if (c->tty.sy - lines < 3)
1553: return (NULL);
1554:
1555: spm = xmalloc(sizeof *spm);
1556: spm->c = c;
1557: spm->flag = flag;
1558:
1559: height = c->tty.sy - lines - 2;
1560: if (height > 10)
1561: height = 10;
1562: spm->start = 0;
1563:
1564: menu = menu_create("");
1565: RB_FOREACH(wl, winlinks, &s->windows) {
1.206 nicm 1566: if (word != NULL && *word != '\0') {
1567: xasprintf(&tmp, "%d", wl->idx);
1568: if (strncmp(tmp, word, strlen(word)) != 0) {
1569: free(tmp);
1570: continue;
1571: }
1572: free(tmp);
1573: }
1574:
1.204 nicm 1575: list = xreallocarray(list, size + 1, sizeof *list);
1.205 nicm 1576: if (c->prompt_flags & PROMPT_WINDOW) {
1577: xasprintf(&tmp, "%d (%s)", wl->idx, wl->window->name);
1578: xasprintf(&list[size++], "%d", wl->idx);
1579: } else {
1580: xasprintf(&tmp, "%s:%d (%s)", s->name, wl->idx,
1581: wl->window->name);
1582: xasprintf(&list[size++], "%s:%d", s->name, wl->idx);
1583: }
1.204 nicm 1584: item.name = tmp;
1585: item.key = '0' + size - 1;
1586: item.command = NULL;
1587: menu_add_item(menu, &item, NULL, NULL, NULL);
1588: free(tmp);
1589:
1590: if (size == height)
1591: break;
1592: }
1.206 nicm 1593: if (size == 0) {
1594: menu_free(menu);
1595: return (NULL);
1596: }
1.204 nicm 1597: if (size == 1) {
1598: menu_free(menu);
1.205 nicm 1599: if (flag != '\0') {
1600: xasprintf(&tmp, "-%c%s", flag, list[0]);
1601: free(list[0]);
1602: } else
1603: tmp = list[0];
1.204 nicm 1604: free(list);
1605: return (tmp);
1606: }
1607: if (height > size)
1608: height = size;
1609:
1610: spm->size = size;
1611: spm->list = list;
1612:
1613: if (options_get_number(c->session->options, "status-position") == 0)
1614: py = lines;
1615: else
1616: py = c->tty.sy - 3 - height;
1617: offset += utf8_cstrwidth(c->prompt_string);
1618: if (offset > 2)
1619: offset -= 2;
1620: else
1621: offset = 0;
1622:
1623: if (menu_display(menu, MENU_NOMOUSE|MENU_TAB, NULL, offset,
1624: py, c, NULL, status_prompt_menu_callback, spm) != 0) {
1625: menu_free(menu);
1626: free(spm);
1627: return (NULL);
1628: }
1629: return (NULL);
1630: }
1631:
1632: /* Sort complete list. */
1633: static int
1634: status_prompt_complete_sort(const void *a, const void *b)
1635: {
1636: const char **aa = (const char **)a, **bb = (const char **)b;
1637:
1638: return (strcmp(*aa, *bb));
1639: }
1640:
1.205 nicm 1641: /* Complete a session. */
1642: static char *
1643: status_prompt_complete_session(char ***list, u_int *size, const char *s,
1644: char flag)
1645: {
1646: struct session *loop;
1647: char *out, *tmp;
1648:
1649: RB_FOREACH(loop, sessions, &sessions) {
1650: if (*s != '\0' && strncmp(loop->name, s, strlen(s)) != 0)
1651: continue;
1652: *list = xreallocarray(*list, (*size) + 2, sizeof **list);
1653: xasprintf(&(*list)[(*size)++], "%s:", loop->name);
1654: }
1655: out = status_prompt_complete_prefix(*list, *size);
1656: if (out != NULL && flag != '\0') {
1657: xasprintf(&tmp, "-%c%s", flag, out);
1658: free(out);
1659: out = tmp;
1660: }
1661: return (out);
1662: }
1663:
1.128 nicm 1664: /* Complete word. */
1.151 nicm 1665: static char *
1.204 nicm 1666: status_prompt_complete(struct client *c, const char *word, u_int offset)
1.128 nicm 1667: {
1.205 nicm 1668: struct session *session;
1.204 nicm 1669: const char *s, *colon;
1.205 nicm 1670: char **list = NULL, *copy = NULL, *out = NULL;
1.204 nicm 1671: char flag = '\0';
1.128 nicm 1672: u_int size = 0, i;
1673:
1.206 nicm 1674: if (*word == '\0' &&
1675: ((c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) == 0))
1.1 nicm 1676: return (NULL);
1.128 nicm 1677:
1.206 nicm 1678: if (((c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) == 0) &&
1.205 nicm 1679: strncmp(word, "-t", 2) != 0 &&
1680: strncmp(word, "-s", 2) != 0) {
1.204 nicm 1681: list = status_prompt_complete_list(&size, word, offset == 0);
1.128 nicm 1682: if (size == 0)
1683: out = NULL;
1684: else if (size == 1)
1685: xasprintf(&out, "%s ", list[0]);
1686: else
1687: out = status_prompt_complete_prefix(list, size);
1.204 nicm 1688: goto found;
1.128 nicm 1689: }
1690:
1.206 nicm 1691: if (c->prompt_flags & (PROMPT_TARGET|PROMPT_WINDOW)) {
1.205 nicm 1692: s = word;
1693: flag = '\0';
1694: } else {
1695: s = word + 2;
1696: flag = word[1];
1697: offset += 2;
1698: }
1.206 nicm 1699:
1700: /* If this is a window completion, open the window menu. */
1701: if (c->prompt_flags & PROMPT_WINDOW) {
1702: out = status_prompt_complete_window_menu(c, c->session, s,
1703: offset, '\0');
1704: goto found;
1705: }
1.204 nicm 1706: colon = strchr(s, ':');
1.1 nicm 1707:
1.204 nicm 1708: /* If there is no colon, complete as a session. */
1709: if (colon == NULL) {
1.205 nicm 1710: out = status_prompt_complete_session(&list, &size, s, flag);
1.128 nicm 1711: goto found;
1712: }
1713:
1.204 nicm 1714: /* If there is a colon but no period, find session and show a menu. */
1715: if (strchr(colon + 1, '.') == NULL) {
1716: if (*s == ':')
1717: session = c->session;
1718: else {
1719: copy = xstrdup(s);
1720: *strchr(copy, ':') = '\0';
1721: session = session_find(copy);
1722: free(copy);
1723: if (session == NULL)
1724: goto found;
1725: }
1.206 nicm 1726: out = status_prompt_complete_window_menu(c, session, colon + 1,
1727: offset, flag);
1.204 nicm 1728: if (out == NULL)
1729: return (NULL);
1730: }
1.1 nicm 1731:
1.204 nicm 1732: found:
1733: if (size != 0) {
1734: qsort(list, size, sizeof *list, status_prompt_complete_sort);
1735: for (i = 0; i < size; i++)
1736: log_debug("complete %u: %s", i, list[i]);
1737: }
1.128 nicm 1738:
1.204 nicm 1739: if (out != NULL && strcmp(word, out) == 0) {
1740: free(out);
1741: out = NULL;
1.1 nicm 1742: }
1.204 nicm 1743: if (out != NULL ||
1744: !status_prompt_complete_list_menu(c, list, size, offset, flag)) {
1745: for (i = 0; i < size; i++)
1746: free(list[i]);
1747: free(list);
1.128 nicm 1748: }
1749: return (out);
1.1 nicm 1750: }
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