Annotation of src/usr.bin/tmux/status.c, Revision 1.162
1.162 ! nicm 1: /* $OpenBSD: status.c,v 1.161 2017/02/03 21:01:02 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 char *status_redraw_get_left(struct client *, time_t,
33: struct grid_cell *, size_t *);
34: static char *status_redraw_get_right(struct client *, time_t,
35: struct grid_cell *, size_t *);
36: static char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: static char *status_replace(struct client *, struct winlink *, const char *,
39: time_t);
40: static void status_message_callback(int, short, void *);
41: static void status_timer_callback(int, short, void *);
42:
43: static char *status_prompt_find_history_file(void);
44: static const char *status_prompt_up_history(u_int *);
45: static const char *status_prompt_down_history(u_int *);
46: static void status_prompt_add_history(const char *);
47:
48: static const char **status_prompt_complete_list(u_int *, const char *);
49: static char *status_prompt_complete_prefix(const char **, u_int);
50: static char *status_prompt_complete(struct session *, const char *);
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:
154: evtimer_del(&c->status_timer);
155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
160: c->flags |= CLIENT_STATUS;
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)
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:
176: if (event_initialized(&c->status_timer))
177: evtimer_del(&c->status_timer);
178: else
179: evtimer_set(&c->status_timer, status_timer_callback, c);
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
197: status_update_saved(struct session *s)
198: {
199: if (!options_get_number(s->options, "status"))
200: s->statusat = -1;
201: else if (options_get_number(s->options, "status-position") == 0)
202: s->statusat = 0;
203: else
204: s->statusat = 1;
205: }
206:
1.87 nicm 207: /* Get screen line of status line. -1 means off. */
208: int
209: status_at_line(struct client *c)
210: {
211: struct session *s = c->session;
212:
1.161 nicm 213: if (s->statusat != 1)
214: return (s->statusat);
1.87 nicm 215: return (c->tty.sy - 1);
1.71 nicm 216: }
217:
1.48 nicm 218: /* Retrieve options for left string. */
1.151 nicm 219: static char *
1.139 nicm 220: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
221: size_t *size)
1.48 nicm 222: {
223: struct session *s = c->session;
1.120 nicm 224: const char *template;
1.48 nicm 225: char *left;
226: size_t leftlen;
227:
1.137 nicm 228: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 229:
1.137 nicm 230: template = options_get_string(s->options, "status-left");
1.123 nicm 231: left = status_replace(c, NULL, template, t);
1.48 nicm 232:
1.137 nicm 233: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 234: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 235: if (leftlen < *size)
236: *size = leftlen;
237: return (left);
238: }
239:
240: /* Retrieve options for right string. */
1.151 nicm 241: static char *
1.139 nicm 242: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
243: size_t *size)
1.48 nicm 244: {
245: struct session *s = c->session;
1.120 nicm 246: const char *template;
1.48 nicm 247: char *right;
248: size_t rightlen;
249:
1.137 nicm 250: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 251:
1.137 nicm 252: template = options_get_string(s->options, "status-right");
1.123 nicm 253: right = status_replace(c, NULL, template, t);
1.48 nicm 254:
1.137 nicm 255: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 256: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 257: if (rightlen < *size)
258: *size = rightlen;
259: return (right);
260: }
261:
1.125 nicm 262: /* Get window at window list position. */
263: struct window *
264: status_get_window_at(struct client *c, u_int x)
1.73 nicm 265: {
266: struct session *s = c->session;
267: struct winlink *wl;
1.115 nicm 268: struct options *oo;
1.149 nicm 269: const char *sep;
270: size_t seplen;
1.73 nicm 271:
1.88 nicm 272: x += c->wlmouse;
1.73 nicm 273: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 274: oo = wl->window->options;
1.149 nicm 275:
276: sep = options_get_string(oo, "window-status-separator");
277: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 278:
1.125 nicm 279: if (x < wl->status_width)
280: return (wl->window);
1.149 nicm 281: x -= wl->status_width + seplen;
1.73 nicm 282: }
1.125 nicm 283: return (NULL);
1.73 nicm 284: }
285:
1.1 nicm 286: /* Draw status for client on the last lines of given context. */
287: int
288: status_redraw(struct client *c)
289: {
1.159 nicm 290: struct screen_write_ctx ctx;
291: struct session *s = c->session;
292: struct winlink *wl;
293: struct screen old_status, window_list;
294: struct grid_cell stdgc, lgc, rgc, gc;
295: struct options *oo;
296: time_t t;
297: char *left, *right;
298: const char *sep;
299: u_int offset, needed;
300: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
301: size_t llen, rlen, seplen;
302: int larrow, rarrow;
1.1 nicm 303:
1.49 nicm 304: /* No status line? */
1.137 nicm 305: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 306: return (1);
1.48 nicm 307: left = right = NULL;
1.7 nicm 308: larrow = rarrow = 0;
1.1 nicm 309:
1.133 nicm 310: /* Store current time. */
311: t = time(NULL);
1.48 nicm 312:
313: /* Set up default colour. */
1.137 nicm 314: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 315:
1.48 nicm 316: /* Create the target screen. */
317: memcpy(&old_status, &c->status, sizeof old_status);
318: screen_init(&c->status, c->tty.sx, 1, 0);
319: screen_write_start(&ctx, NULL, &c->status);
320: for (offset = 0; offset < c->tty.sx; offset++)
321: screen_write_putc(&ctx, &stdgc, ' ');
322: screen_write_stop(&ctx);
323:
324: /* If the height is one line, blank status line. */
325: if (c->tty.sy <= 1)
326: goto out;
1.1 nicm 327:
1.48 nicm 328: /* Work out left and right strings. */
329: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 330: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 331: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 332: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 333:
334: /*
1.48 nicm 335: * Figure out how much space we have for the window list. If there
336: * isn't enough space, just show a blank status line.
1.1 nicm 337: */
1.55 nicm 338: needed = 0;
1.1 nicm 339: if (llen != 0)
1.118 nicm 340: needed += llen;
1.1 nicm 341: if (rlen != 0)
1.118 nicm 342: needed += rlen;
1.48 nicm 343: if (c->tty.sx == 0 || c->tty.sx <= needed)
344: goto out;
345: wlavailable = c->tty.sx - needed;
1.1 nicm 346:
1.48 nicm 347: /* Calculate the total size needed for the window list. */
348: wlstart = wloffset = wlwidth = 0;
1.1 nicm 349: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 350: free(wl->status_text);
1.48 nicm 351: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
352: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 353: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 354:
1.1 nicm 355: if (wl == s->curw)
1.48 nicm 356: wloffset = wlwidth;
1.91 nicm 357:
1.137 nicm 358: oo = wl->window->options;
1.91 nicm 359: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 360: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 361: wlwidth += wl->status_width + seplen;
1.48 nicm 362: }
363:
364: /* Create a new screen for the window list. */
365: screen_init(&window_list, wlwidth, 1, 0);
366:
367: /* And draw the window list into it. */
368: screen_write_start(&ctx, NULL, &window_list);
369: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 370: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
371: wl->status_text);
1.91 nicm 372:
1.137 nicm 373: oo = wl->window->options;
1.91 nicm 374: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 375: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 376: }
1.48 nicm 377: screen_write_stop(&ctx);
1.1 nicm 378:
1.48 nicm 379: /* If there is enough space for the total width, skip to draw now. */
380: if (wlwidth <= wlavailable)
1.1 nicm 381: goto draw;
382:
383: /* Find size of current window text. */
1.48 nicm 384: wlsize = s->curw->status_width;
1.1 nicm 385:
386: /*
1.48 nicm 387: * If the current window is already on screen, good to draw from the
1.1 nicm 388: * start and just leave off the end.
389: */
1.48 nicm 390: if (wloffset + wlsize < wlavailable) {
391: if (wlavailable > 0) {
392: rarrow = 1;
393: wlavailable--;
394: }
395: wlwidth = wlavailable;
396: } else {
397: /*
398: * Work out how many characters we need to omit from the
399: * start. There are wlavailable characters to fill, and
400: * wloffset + wlsize must be the last. So, the start character
401: * is wloffset + wlsize - wlavailable.
402: */
403: if (wlavailable > 0) {
404: larrow = 1;
405: wlavailable--;
406: }
1.55 nicm 407:
1.48 nicm 408: wlstart = wloffset + wlsize - wlavailable;
409: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 410: rarrow = 1;
1.48 nicm 411: wlstart++;
412: wlavailable--;
1.1 nicm 413: }
1.48 nicm 414: wlwidth = wlavailable;
415: }
1.1 nicm 416:
1.48 nicm 417: /* Bail if anything is now too small too. */
418: if (wlwidth == 0 || wlavailable == 0) {
419: screen_free(&window_list);
420: goto out;
1.1 nicm 421: }
422:
423: /*
1.48 nicm 424: * Now the start position is known, work out the state of the left and
425: * right arrows.
1.1 nicm 426: */
427: offset = 0;
428: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 429: if (wl->flags & WINLINK_ALERTFLAGS &&
430: larrow == 1 && offset < wlstart)
431: larrow = -1;
1.1 nicm 432:
1.48 nicm 433: offset += wl->status_width;
1.1 nicm 434:
1.63 nicm 435: if (wl->flags & WINLINK_ALERTFLAGS &&
436: rarrow == 1 && offset > wlstart + wlwidth)
437: rarrow = -1;
1.1 nicm 438: }
439:
1.48 nicm 440: draw:
1.55 nicm 441: /* Begin drawing. */
1.48 nicm 442: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 443:
1.48 nicm 444: /* Draw the left string and arrow. */
445: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 446: if (llen != 0)
1.139 nicm 447: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 448: if (larrow != 0) {
449: memcpy(&gc, &stdgc, sizeof gc);
450: if (larrow == -1)
451: gc.attr ^= GRID_ATTR_REVERSE;
452: screen_write_putc(&ctx, &gc, '<');
453: }
1.48 nicm 454:
455: /* Draw the right string and arrow. */
1.1 nicm 456: if (rarrow != 0) {
1.118 nicm 457: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 458: memcpy(&gc, &stdgc, sizeof gc);
459: if (rarrow == -1)
460: gc.attr ^= GRID_ATTR_REVERSE;
461: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 462: } else
1.118 nicm 463: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
464: if (rlen != 0)
1.139 nicm 465: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 466:
1.48 nicm 467: /* Figure out the offset for the window list. */
1.58 nicm 468: if (llen != 0)
1.118 nicm 469: wloffset = llen;
1.58 nicm 470: else
471: wloffset = 0;
1.48 nicm 472: if (wlwidth < wlavailable) {
1.137 nicm 473: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 474: case 1: /* centred */
1.58 nicm 475: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 476: break;
477: case 2: /* right */
1.58 nicm 478: wloffset += (wlavailable - wlwidth);
1.48 nicm 479: break;
480: }
481: }
482: if (larrow != 0)
483: wloffset++;
484:
485: /* Copy the window list. */
1.88 nicm 486: c->wlmouse = -wloffset + wlstart;
1.48 nicm 487: screen_write_cursormove(&ctx, wloffset, 0);
1.157 nicm 488: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1, NULL,
489: NULL);
1.55 nicm 490: screen_free(&window_list);
1.1 nicm 491:
1.48 nicm 492: screen_write_stop(&ctx);
1.1 nicm 493:
494: out:
1.94 nicm 495: free(left);
496: free(right);
1.1 nicm 497:
498: if (grid_compare(c->status.grid, old_status.grid) == 0) {
499: screen_free(&old_status);
500: return (0);
501: }
502: screen_free(&old_status);
503: return (1);
504: }
505:
1.46 nicm 506: /* Replace special sequences in fmt. */
1.151 nicm 507: static char *
1.123 nicm 508: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 509: {
1.96 nicm 510: struct format_tree *ft;
1.129 nicm 511: char *expanded;
1.160 nicm 512: u_int tag;
1.47 nicm 513:
1.93 nicm 514: if (fmt == NULL)
515: return (xstrdup(""));
516:
1.160 nicm 517: if (wl != NULL)
518: tag = FORMAT_WINDOW|wl->window->id;
519: else
520: tag = FORMAT_NONE;
1.135 nicm 521: if (c->flags & CLIENT_STATUSFORCE)
1.160 nicm 522: ft = format_create(NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 523: else
1.160 nicm 524: ft = format_create(NULL, tag, FORMAT_STATUS);
1.129 nicm 525: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 526:
1.129 nicm 527: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 528:
1.99 nicm 529: format_free(ft);
530: return (expanded);
1.1 nicm 531: }
532:
1.46 nicm 533: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 534: static char *
1.120 nicm 535: status_print(struct client *c, struct winlink *wl, time_t t,
536: struct grid_cell *gc)
1.1 nicm 537: {
1.137 nicm 538: struct options *oo = wl->window->options;
1.47 nicm 539: struct session *s = c->session;
540: const char *fmt;
541: char *text;
1.1 nicm 542:
1.108 nicm 543: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 544: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 545: if (wl == s->curw) {
1.108 nicm 546: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 547: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 548: }
1.108 nicm 549: if (wl == TAILQ_FIRST(&s->lastw))
550: style_apply_update(gc, oo, "window-status-last-style");
551:
552: if (wl->flags & WINLINK_BELL)
553: style_apply_update(gc, oo, "window-status-bell-style");
554: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
555: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 556:
1.123 nicm 557: text = status_replace(c, wl, fmt, t);
1.1 nicm 558: return (text);
559: }
560:
1.46 nicm 561: /* Set a status line message. */
1.117 nicm 562: void
1.10 nicm 563: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 564: {
1.162 ! nicm 565: struct timeval tv;
! 566: va_list ap;
! 567: int delay;
1.1 nicm 568:
1.12 nicm 569: status_message_clear(c);
570:
1.28 nicm 571: va_start(ap, fmt);
572: xvasprintf(&c->message_string, fmt, ap);
573: va_end(ap);
574:
1.162 ! nicm 575: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 576:
1.137 nicm 577: delay = options_get_number(c->session->options, "display-time");
1.143 tim 578: if (delay > 0) {
579: tv.tv_sec = delay / 1000;
580: tv.tv_usec = (delay % 1000) * 1000L;
581:
582: if (event_initialized(&c->message_timer))
583: evtimer_del(&c->message_timer);
584: evtimer_set(&c->message_timer, status_message_callback, c);
585: evtimer_add(&c->message_timer, &tv);
586: }
1.1 nicm 587:
588: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
589: c->flags |= CLIENT_STATUS;
590: }
591:
1.46 nicm 592: /* Clear status line message. */
1.1 nicm 593: void
594: status_message_clear(struct client *c)
595: {
596: if (c->message_string == NULL)
597: return;
598:
1.94 nicm 599: free(c->message_string);
1.1 nicm 600: c->message_string = NULL;
601:
1.156 nicm 602: if (c->prompt_string == NULL)
603: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 604: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 605:
606: screen_reinit(&c->status);
1.42 nicm 607: }
608:
1.46 nicm 609: /* Clear status line message after timer expires. */
1.151 nicm 610: static void
1.141 nicm 611: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 612: {
613: struct client *c = data;
614:
615: status_message_clear(c);
1.1 nicm 616: }
617:
618: /* Draw client message on status line of present else on last line. */
619: int
620: status_message_redraw(struct client *c)
621: {
622: struct screen_write_ctx ctx;
623: struct session *s = c->session;
624: struct screen old_status;
625: size_t len;
626: struct grid_cell gc;
627:
628: if (c->tty.sx == 0 || c->tty.sy == 0)
629: return (0);
630: memcpy(&old_status, &c->status, sizeof old_status);
631: screen_init(&c->status, c->tty.sx, 1, 0);
632:
1.139 nicm 633: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 634: if (len > c->tty.sx)
635: len = c->tty.sx;
636:
1.137 nicm 637: style_apply(&gc, s->options, "message-style");
1.1 nicm 638:
639: screen_write_start(&ctx, NULL, &c->status);
640:
641: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 642: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 643: for (; len < c->tty.sx; len++)
644: screen_write_putc(&ctx, &gc, ' ');
645:
646: screen_write_stop(&ctx);
647:
648: if (grid_compare(c->status.grid, old_status.grid) == 0) {
649: screen_free(&old_status);
650: return (0);
651: }
652: screen_free(&old_status);
653: return (1);
654: }
655:
1.46 nicm 656: /* Enable status line prompt. */
1.1 nicm 657: void
1.76 nicm 658: status_prompt_set(struct client *c, const char *msg, const char *input,
1.158 nicm 659: int (*callbackfn)(void *, const char *, int), void (*freefn)(void *),
1.12 nicm 660: void *data, int flags)
1.1 nicm 661: {
1.122 nicm 662: struct format_tree *ft;
663: time_t t;
1.152 nicm 664: char *tmp;
1.122 nicm 665:
1.160 nicm 666: ft = format_create(NULL, FORMAT_NONE, 0);
1.122 nicm 667: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 668:
1.122 nicm 669: t = time(NULL);
1.152 nicm 670: tmp = format_expand_time(ft, input, t);
1.20 nicm 671:
1.12 nicm 672: status_message_clear(c);
673: status_prompt_clear(c);
674:
1.124 nicm 675: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 676:
1.152 nicm 677: c->prompt_buffer = utf8_fromcstr(tmp);
678: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 679:
1.12 nicm 680: c->prompt_callbackfn = callbackfn;
681: c->prompt_freefn = freefn;
1.1 nicm 682: c->prompt_data = data;
683:
684: c->prompt_hindex = 0;
685:
686: c->prompt_flags = flags;
1.155 nicm 687: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 688:
1.158 nicm 689: if (~flags & PROMPT_INCREMENTAL)
690: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.1 nicm 691: c->flags |= CLIENT_STATUS;
1.122 nicm 692:
1.152 nicm 693: free(tmp);
1.122 nicm 694: format_free(ft);
1.1 nicm 695: }
696:
1.46 nicm 697: /* Remove status line prompt. */
1.1 nicm 698: void
699: status_prompt_clear(struct client *c)
700: {
1.55 nicm 701: if (c->prompt_string == NULL)
1.1 nicm 702: return;
703:
1.12 nicm 704: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
705: c->prompt_freefn(c->prompt_data);
1.1 nicm 706:
1.94 nicm 707: free(c->prompt_string);
1.1 nicm 708: c->prompt_string = NULL;
709:
1.94 nicm 710: free(c->prompt_buffer);
1.1 nicm 711: c->prompt_buffer = NULL;
712:
713: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 714: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 715:
716: screen_reinit(&c->status);
1.27 nicm 717: }
718:
1.46 nicm 719: /* Update status line prompt with a new prompt string. */
1.27 nicm 720: void
1.76 nicm 721: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 722: {
1.122 nicm 723: struct format_tree *ft;
724: time_t t;
1.152 nicm 725: char *tmp;
1.122 nicm 726:
1.160 nicm 727: ft = format_create(NULL, FORMAT_NONE, 0);
1.122 nicm 728: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 729:
1.122 nicm 730: t = time(NULL);
1.152 nicm 731: tmp = format_expand_time(ft, input, t);
1.122 nicm 732:
1.94 nicm 733: free(c->prompt_string);
1.124 nicm 734: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 735:
1.94 nicm 736: free(c->prompt_buffer);
1.152 nicm 737: c->prompt_buffer = utf8_fromcstr(tmp);
738: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 739:
740: c->prompt_hindex = 0;
741:
742: c->flags |= CLIENT_STATUS;
1.122 nicm 743:
1.152 nicm 744: free(tmp);
1.122 nicm 745: format_free(ft);
1.1 nicm 746: }
747:
748: /* Draw client prompt on status line of present else on last line. */
749: int
750: status_prompt_redraw(struct client *c)
751: {
1.152 nicm 752: struct screen_write_ctx ctx;
753: struct session *s = c->session;
754: struct screen old_status;
755: u_int i, offset, left, start, pcursor, pwidth, width;
756: struct grid_cell gc, cursorgc;
1.1 nicm 757:
758: if (c->tty.sx == 0 || c->tty.sy == 0)
759: return (0);
760: memcpy(&old_status, &c->status, sizeof old_status);
761: screen_init(&c->status, c->tty.sx, 1, 0);
762:
1.155 nicm 763: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 764: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 765: else
1.137 nicm 766: style_apply(&gc, s->options, "message-style");
1.1 nicm 767:
1.152 nicm 768: memcpy(&cursorgc, &gc, sizeof cursorgc);
769: cursorgc.attr ^= GRID_ATTR_REVERSE;
770:
771: start = screen_write_strlen("%s", c->prompt_string);
772: if (start > c->tty.sx)
773: start = c->tty.sx;
774:
1.1 nicm 775: screen_write_start(&ctx, NULL, &c->status);
776: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 777: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
778: while (c->status.cx < screen_size_x(&c->status))
779: screen_write_putc(&ctx, &gc, ' ');
780: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 781:
1.152 nicm 782: left = c->tty.sx - start;
783: if (left == 0)
784: goto finished;
785:
786: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
787: pwidth = utf8_strwidth(c->prompt_buffer, -1);
788: if (pcursor >= left) {
789: /*
790: * The cursor would be outside the screen so start drawing
791: * with it on the right.
792: */
793: offset = (pcursor - left) + 1;
794: pwidth = left;
795: } else
796: offset = 0;
797: if (pwidth > left)
798: pwidth = left;
799:
800: width = 0;
801: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
802: if (width < offset) {
803: width += c->prompt_buffer[i].width;
804: continue;
1.1 nicm 805: }
1.152 nicm 806: if (width >= offset + pwidth)
807: break;
808: width += c->prompt_buffer[i].width;
809: if (width > offset + pwidth)
810: break;
1.1 nicm 811:
1.152 nicm 812: if (i != c->prompt_index) {
813: utf8_copy(&gc.data, &c->prompt_buffer[i]);
814: screen_write_cell(&ctx, &gc);
815: } else {
816: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
817: screen_write_cell(&ctx, &cursorgc);
818: }
1.1 nicm 819: }
1.152 nicm 820: if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i)
821: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 822:
1.152 nicm 823: finished:
1.1 nicm 824: screen_write_stop(&ctx);
1.51 nicm 825:
1.1 nicm 826: if (grid_compare(c->status.grid, old_status.grid) == 0) {
827: screen_free(&old_status);
828: return (0);
829: }
830: screen_free(&old_status);
831: return (1);
832: }
833:
1.152 nicm 834: /* Is this a separator? */
835: static int
836: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
837: {
838: if (ud->size != 1 || ud->width != 1)
839: return (0);
840: return (strchr(ws, *ud->data) != NULL);
841: }
842:
843: /* Is this a space? */
844: static int
845: status_prompt_space(const struct utf8_data *ud)
846: {
847: if (ud->size != 1 || ud->width != 1)
848: return (0);
849: return (*ud->data == ' ');
850: }
851:
1.155 nicm 852: /*
853: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
854: * as an emacs key; return 2 to append to the buffer.
855: */
856: static int
857: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
858: {
859: if (c->prompt_mode == PROMPT_ENTRY) {
860: switch (key) {
861: case '\003': /* C-c */
862: case '\010': /* C-h */
863: case '\011': /* Tab */
864: case '\025': /* C-u */
865: case '\027': /* C-w */
866: case '\n':
867: case '\r':
868: case KEYC_BSPACE:
869: case KEYC_DC:
870: case KEYC_DOWN:
871: case KEYC_END:
872: case KEYC_HOME:
873: case KEYC_LEFT:
874: case KEYC_RIGHT:
875: case KEYC_UP:
876: *new_key = key;
877: return (1);
878: case '\033': /* Escape */
879: c->prompt_mode = PROMPT_COMMAND;
880: c->flags |= CLIENT_STATUS;
881: return (0);
882: }
883: *new_key = key;
884: return (2);
885: }
886:
887: switch (key) {
888: case 'A':
889: case 'I':
890: case 'C':
891: case 's':
892: case 'a':
893: c->prompt_mode = PROMPT_ENTRY;
894: c->flags |= CLIENT_STATUS;
895: break; /* switch mode and... */
896: case 'S':
897: c->prompt_mode = PROMPT_ENTRY;
898: c->flags |= CLIENT_STATUS;
899: *new_key = '\025'; /* C-u */
900: return (1);
901: case 'i':
902: case '\033': /* Escape */
903: c->prompt_mode = PROMPT_ENTRY;
904: c->flags |= CLIENT_STATUS;
905: return (0);
906: }
907:
908: switch (key) {
909: case 'A':
910: case '$':
911: *new_key = KEYC_END;
912: return (1);
913: case 'I':
914: case '0':
915: case '^':
916: *new_key = KEYC_HOME;
917: return (1);
918: case 'C':
919: case 'D':
920: *new_key = '\013'; /* C-k */
921: return (1);
922: case KEYC_BSPACE:
923: case 'X':
924: *new_key = KEYC_BSPACE;
925: return (1);
926: case 'b':
927: case 'B':
928: *new_key = 'b'|KEYC_ESCAPE;
929: return (1);
930: case 'd':
931: *new_key = '\025';
932: return (1);
933: case 'e':
934: case 'E':
935: case 'w':
936: case 'W':
937: *new_key = 'f'|KEYC_ESCAPE;
938: return (1);
939: case 'p':
940: *new_key = '\031'; /* C-y */
941: return (1);
942: case 's':
943: case KEYC_DC:
944: case 'x':
945: *new_key = KEYC_DC;
946: return (1);
947: case KEYC_DOWN:
948: case 'j':
949: *new_key = KEYC_DOWN;
950: return (1);
951: case KEYC_LEFT:
952: case 'h':
953: *new_key = KEYC_LEFT;
954: return (1);
955: case 'a':
956: case KEYC_RIGHT:
957: case 'l':
958: *new_key = KEYC_RIGHT;
959: return (1);
960: case KEYC_UP:
961: case 'k':
962: *new_key = KEYC_UP;
963: return (1);
964: case '\010' /* C-h */:
965: case '\003' /* C-c */:
966: case '\n':
967: case '\r':
968: return (1);
969: }
970: return (0);
971: }
972:
1.1 nicm 973: /* Handle keys in prompt. */
1.154 nicm 974: int
1.138 nicm 975: status_prompt_key(struct client *c, key_code key)
1.1 nicm 976: {
1.152 nicm 977: struct options *oo = c->session->options;
1.1 nicm 978: struct paste_buffer *pb;
1.158 nicm 979: char *s, *cp, word[64], prefix = '=';
1.152 nicm 980: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 981: u_char ch;
1.152 nicm 982: size_t size, n, off, idx, bufsize, used;
983: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 984: int keys;
1.1 nicm 985:
1.152 nicm 986: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 987:
988: if (c->prompt_flags & PROMPT_NUMERIC) {
989: if (key >= '0' && key <= '9')
990: goto append_key;
991: s = utf8_tocstr(c->prompt_buffer);
1.158 nicm 992: c->prompt_callbackfn(c->prompt_data, s, 1);
1.154 nicm 993: status_prompt_clear(c);
994: free(s);
995: return (1);
996: }
997:
1.155 nicm 998: keys = options_get_number(c->session->options, "status-keys");
999: if (keys == MODEKEY_VI) {
1000: switch (status_prompt_translate_key(c, key, &key)) {
1001: case 1:
1002: goto process_key;
1003: case 2:
1004: goto append_key;
1005: default:
1006: return (0);
1007: }
1008: }
1009:
1010: process_key:
1011: switch (key) {
1012: case KEYC_LEFT:
1013: case '\002': /* C-b */
1.1 nicm 1014: if (c->prompt_index > 0) {
1015: c->prompt_index--;
1.158 nicm 1016: break;
1.1 nicm 1017: }
1018: break;
1.155 nicm 1019: case KEYC_RIGHT:
1020: case '\006': /* C-f */
1.1 nicm 1021: if (c->prompt_index < size) {
1022: c->prompt_index++;
1.158 nicm 1023: break;
1.1 nicm 1024: }
1025: break;
1.155 nicm 1026: case KEYC_HOME:
1027: case '\001': /* C-a */
1.1 nicm 1028: if (c->prompt_index != 0) {
1029: c->prompt_index = 0;
1.158 nicm 1030: break;
1.1 nicm 1031: }
1032: break;
1.155 nicm 1033: case KEYC_END:
1034: case '\005': /* C-e */
1.1 nicm 1035: if (c->prompt_index != size) {
1036: c->prompt_index = size;
1.158 nicm 1037: break;
1.1 nicm 1038: }
1039: break;
1.155 nicm 1040: case '\011': /* Tab */
1.152 nicm 1041: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1042: break;
1043:
1044: idx = c->prompt_index;
1045: if (idx != 0)
1046: idx--;
1047:
1048: /* Find the word we are in. */
1.152 nicm 1049: first = &c->prompt_buffer[idx];
1050: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1051: first--;
1.152 nicm 1052: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1053: first++;
1.152 nicm 1054: last = &c->prompt_buffer[idx];
1055: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1056: last++;
1.152 nicm 1057: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1058: last--;
1.152 nicm 1059: if (last->size != 0)
1.1 nicm 1060: last++;
1.152 nicm 1061: if (last <= first)
1062: break;
1063:
1064: used = 0;
1065: for (ud = first; ud < last; ud++) {
1066: if (used + ud->size >= sizeof word)
1067: break;
1068: memcpy(word + used, ud->data, ud->size);
1069: used += ud->size;
1070: }
1071: if (ud != last)
1.1 nicm 1072: break;
1.152 nicm 1073: word[used] = '\0';
1.1 nicm 1074:
1075: /* And try to complete it. */
1.152 nicm 1076: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1077: break;
1078:
1079: /* Trim out word. */
1080: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1081: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1082: size -= last - first;
1083:
1084: /* Insert the new word. */
1.55 nicm 1085: size += strlen(s);
1.1 nicm 1086: off = first - c->prompt_buffer;
1.152 nicm 1087: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1088: sizeof *c->prompt_buffer);
1.1 nicm 1089: first = c->prompt_buffer + off;
1.152 nicm 1090: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1091: for (idx = 0; idx < strlen(s); idx++)
1092: utf8_set(&first[idx], s[idx]);
1.1 nicm 1093:
1094: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1095: free(s);
1.1 nicm 1096:
1.158 nicm 1097: goto changed;
1.155 nicm 1098: case KEYC_BSPACE:
1099: case '\010': /* C-h */
1.1 nicm 1100: if (c->prompt_index != 0) {
1101: if (c->prompt_index == size)
1.152 nicm 1102: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1103: else {
1104: memmove(c->prompt_buffer + c->prompt_index - 1,
1105: c->prompt_buffer + c->prompt_index,
1.152 nicm 1106: (size + 1 - c->prompt_index) *
1107: sizeof *c->prompt_buffer);
1.1 nicm 1108: c->prompt_index--;
1109: }
1.158 nicm 1110: goto changed;
1.1 nicm 1111: }
1112: break;
1.155 nicm 1113: case KEYC_DC:
1114: case '\004': /* C-d */
1.1 nicm 1115: if (c->prompt_index != size) {
1116: memmove(c->prompt_buffer + c->prompt_index,
1117: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1118: (size + 1 - c->prompt_index) *
1119: sizeof *c->prompt_buffer);
1.158 nicm 1120: goto changed;
1.18 nicm 1121: }
1.26 nicm 1122: break;
1.155 nicm 1123: case '\025': /* C-u */
1.152 nicm 1124: c->prompt_buffer[0].size = 0;
1.26 nicm 1125: c->prompt_index = 0;
1.158 nicm 1126: goto changed;
1.155 nicm 1127: case '\013': /* C-k */
1.18 nicm 1128: if (c->prompt_index < size) {
1.152 nicm 1129: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1130: goto changed;
1.1 nicm 1131: }
1132: break;
1.155 nicm 1133: case '\027': /* C-w */
1.152 nicm 1134: ws = options_get_string(oo, "word-separators");
1.81 nicm 1135: idx = c->prompt_index;
1136:
1137: /* Find a non-separator. */
1138: while (idx != 0) {
1139: idx--;
1.152 nicm 1140: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1141: break;
1142: }
1143:
1144: /* Find the separator at the beginning of the word. */
1145: while (idx != 0) {
1146: idx--;
1.152 nicm 1147: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1148: /* Go back to the word. */
1149: idx++;
1150: break;
1151: }
1152: }
1153:
1154: memmove(c->prompt_buffer + idx,
1155: c->prompt_buffer + c->prompt_index,
1.152 nicm 1156: (size + 1 - c->prompt_index) *
1157: sizeof *c->prompt_buffer);
1.81 nicm 1158: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1159: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1160: c->prompt_index = idx;
1.152 nicm 1161:
1.158 nicm 1162: goto changed;
1.155 nicm 1163: case 'f'|KEYC_ESCAPE:
1164: ws = options_get_string(oo, "word-separators");
1.81 nicm 1165:
1166: /* Find a word. */
1167: while (c->prompt_index != size) {
1.152 nicm 1168: idx = ++c->prompt_index;
1169: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1170: break;
1171: }
1172:
1173: /* Find the separator at the end of the word. */
1174: while (c->prompt_index != size) {
1.152 nicm 1175: idx = ++c->prompt_index;
1176: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1177: break;
1178: }
1.106 nicm 1179:
1180: /* Back up to the end-of-word like vi. */
1181: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1182: c->prompt_index != 0)
1183: c->prompt_index--;
1.81 nicm 1184:
1.158 nicm 1185: goto changed;
1.155 nicm 1186: case 'b'|KEYC_ESCAPE:
1187: ws = options_get_string(oo, "word-separators");
1.81 nicm 1188:
1189: /* Find a non-separator. */
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: break;
1194: }
1195:
1196: /* Find the separator at the beginning of the word. */
1197: while (c->prompt_index != 0) {
1.152 nicm 1198: idx = --c->prompt_index;
1199: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1200: /* Go back to the word. */
1201: c->prompt_index++;
1202: break;
1203: }
1204: }
1.158 nicm 1205: goto changed;
1.155 nicm 1206: case KEYC_UP:
1207: case '\020': /* C-p */
1.66 nicm 1208: histstr = status_prompt_up_history(&c->prompt_hindex);
1209: if (histstr == NULL)
1.1 nicm 1210: break;
1.94 nicm 1211: free(c->prompt_buffer);
1.152 nicm 1212: c->prompt_buffer = utf8_fromcstr(histstr);
1213: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1214: goto changed;
1.155 nicm 1215: case KEYC_DOWN:
1216: case '\016': /* C-n */
1.66 nicm 1217: histstr = status_prompt_down_history(&c->prompt_hindex);
1218: if (histstr == NULL)
1.65 nicm 1219: break;
1.94 nicm 1220: free(c->prompt_buffer);
1.152 nicm 1221: c->prompt_buffer = utf8_fromcstr(histstr);
1222: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1223: goto changed;
1.155 nicm 1224: case '\031': /* C-y */
1.134 nicm 1225: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1226: break;
1.134 nicm 1227: bufdata = paste_buffer_data(pb, &bufsize);
1228: for (n = 0; n < bufsize; n++) {
1229: ch = (u_char)bufdata[n];
1.152 nicm 1230: if (ch < 32 || ch >= 127)
1.32 nicm 1231: break;
1232: }
1.1 nicm 1233:
1.152 nicm 1234: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1235: sizeof *c->prompt_buffer);
1.1 nicm 1236: if (c->prompt_index == size) {
1.152 nicm 1237: for (idx = 0; idx < n; idx++) {
1238: ud = &c->prompt_buffer[c->prompt_index + idx];
1239: utf8_set(ud, bufdata[idx]);
1240: }
1.1 nicm 1241: c->prompt_index += n;
1.152 nicm 1242: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1243: } else {
1244: memmove(c->prompt_buffer + c->prompt_index + n,
1245: c->prompt_buffer + c->prompt_index,
1.152 nicm 1246: (size + 1 - c->prompt_index) *
1247: sizeof *c->prompt_buffer);
1248: for (idx = 0; idx < n; idx++) {
1249: ud = &c->prompt_buffer[c->prompt_index + idx];
1250: utf8_set(ud, bufdata[idx]);
1251: }
1.1 nicm 1252: c->prompt_index += n;
1253: }
1.158 nicm 1254: goto changed;
1.155 nicm 1255: case '\024': /* C-t */
1.30 nicm 1256: idx = c->prompt_index;
1257: if (idx < size)
1258: idx++;
1259: if (idx >= 2) {
1.152 nicm 1260: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1261: utf8_copy(&c->prompt_buffer[idx - 2],
1262: &c->prompt_buffer[idx - 1]);
1263: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1264: c->prompt_index = idx;
1.158 nicm 1265: goto changed;
1.30 nicm 1266: }
1.1 nicm 1267: break;
1.155 nicm 1268: case '\r':
1269: case '\n':
1.152 nicm 1270: s = utf8_tocstr(c->prompt_buffer);
1271: if (*s != '\0')
1272: status_prompt_add_history(s);
1.158 nicm 1273: if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0)
1.25 nicm 1274: status_prompt_clear(c);
1.152 nicm 1275: free(s);
1.25 nicm 1276: break;
1.155 nicm 1277: case '\033': /* Escape */
1278: case '\003': /* C-c */
1.158 nicm 1279: if (c->prompt_callbackfn(c->prompt_data, NULL, 1) == 0)
1.1 nicm 1280: status_prompt_clear(c);
1281: break;
1.158 nicm 1282: case '\022': /* C-r */
1283: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1284: prefix = '-';
1285: goto changed;
1286: }
1287: break;
1288: case '\023': /* C-s */
1289: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1290: prefix = '+';
1291: goto changed;
1292: }
1293: break;
1294: default:
1295: goto append_key;
1.154 nicm 1296: }
1.152 nicm 1297:
1.158 nicm 1298: c->flags |= CLIENT_STATUS;
1299: return (0);
1300:
1.154 nicm 1301: append_key:
1302: if (key <= 0x1f || key >= KEYC_BASE)
1303: return (0);
1304: if (utf8_split(key, &tmp) != UTF8_DONE)
1305: return (0);
1.1 nicm 1306:
1.154 nicm 1307: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1308: sizeof *c->prompt_buffer);
1.1 nicm 1309:
1.154 nicm 1310: if (c->prompt_index == size) {
1311: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1312: c->prompt_index++;
1313: c->prompt_buffer[c->prompt_index].size = 0;
1314: } else {
1315: memmove(c->prompt_buffer + c->prompt_index + 1,
1316: c->prompt_buffer + c->prompt_index,
1317: (size + 1 - c->prompt_index) *
1318: sizeof *c->prompt_buffer);
1319: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1320: c->prompt_index++;
1321: }
1.1 nicm 1322:
1.154 nicm 1323: if (c->prompt_flags & PROMPT_SINGLE) {
1324: s = utf8_tocstr(c->prompt_buffer);
1325: if (strlen(s) != 1)
1326: status_prompt_clear(c);
1.158 nicm 1327: else if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0)
1.154 nicm 1328: status_prompt_clear(c);
1329: free(s);
1.1 nicm 1330: }
1.154 nicm 1331:
1.158 nicm 1332: changed:
1.154 nicm 1333: c->flags |= CLIENT_STATUS;
1.158 nicm 1334: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1335: s = utf8_tocstr(c->prompt_buffer);
1336: xasprintf(&cp, "%c%s", prefix, s);
1337: c->prompt_callbackfn(c->prompt_data, cp, 0);
1338: free(cp);
1339: free(s);
1340: }
1.154 nicm 1341: return (0);
1.1 nicm 1342: }
1343:
1.65 nicm 1344: /* Get previous line from the history. */
1.151 nicm 1345: static const char *
1.65 nicm 1346: status_prompt_up_history(u_int *idx)
1347: {
1348: /*
1.128 nicm 1349: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1350: * empty.
1.65 nicm 1351: */
1352:
1.128 nicm 1353: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1354: return (NULL);
1355: (*idx)++;
1.128 nicm 1356: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1357: }
1358:
1359: /* Get next line from the history. */
1.151 nicm 1360: static const char *
1.65 nicm 1361: status_prompt_down_history(u_int *idx)
1362: {
1.128 nicm 1363: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1364: return ("");
1365: (*idx)--;
1366: if (*idx == 0)
1367: return ("");
1.128 nicm 1368: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1369: }
1370:
1.1 nicm 1371: /* Add line to the history. */
1.151 nicm 1372: static void
1.65 nicm 1373: status_prompt_add_history(const char *line)
1.1 nicm 1374: {
1.128 nicm 1375: size_t size;
1.65 nicm 1376:
1.128 nicm 1377: if (status_prompt_hsize > 0 &&
1378: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1379: return;
1380:
1.128 nicm 1381: if (status_prompt_hsize == PROMPT_HISTORY) {
1382: free(status_prompt_hlist[0]);
1.1 nicm 1383:
1.128 nicm 1384: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1385: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1386:
1.128 nicm 1387: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1388: return;
1389: }
1.1 nicm 1390:
1.128 nicm 1391: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1392: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1393: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1394: }
1395:
1396: /* Build completion list. */
1.151 nicm 1397: static const char **
1.128 nicm 1398: status_prompt_complete_list(u_int *size, const char *s)
1399: {
1400: const char **list = NULL, **layout;
1401: const struct cmd_entry **cmdent;
1402: const struct options_table_entry *oe;
1403: const char *layouts[] = {
1404: "even-horizontal", "even-vertical", "main-horizontal",
1405: "main-vertical", "tiled", NULL
1406: };
1.1 nicm 1407:
1.128 nicm 1408: *size = 0;
1.1 nicm 1409: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1410: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1411: list = xreallocarray(list, (*size) + 1, sizeof *list);
1412: list[(*size)++] = (*cmdent)->name;
1413: }
1.56 nicm 1414: }
1.142 nicm 1415: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1416: if (strncmp(oe->name, s, strlen(s)) == 0) {
1417: list = xreallocarray(list, (*size) + 1, sizeof *list);
1418: list[(*size)++] = oe->name;
1419: }
1420: }
1421: for (layout = layouts; *layout != NULL; layout++) {
1422: if (strncmp(*layout, s, strlen(s)) == 0) {
1423: list = xreallocarray(list, (*size) + 1, sizeof *list);
1424: list[(*size)++] = *layout;
1425: }
1426: }
1427: return (list);
1428: }
1429:
1430: /* Find longest prefix. */
1.151 nicm 1431: static char *
1.128 nicm 1432: status_prompt_complete_prefix(const char **list, u_int size)
1433: {
1434: char *out;
1435: u_int i;
1436: size_t j;
1437:
1438: out = xstrdup(list[0]);
1439: for (i = 1; i < size; i++) {
1440: j = strlen(list[i]);
1441: if (j > strlen(out))
1442: j = strlen(out);
1443: for (; j > 0; j--) {
1444: if (out[j - 1] != list[i][j - 1])
1445: out[j - 1] = '\0';
1446: }
1.1 nicm 1447: }
1.128 nicm 1448: return (out);
1449: }
1.1 nicm 1450:
1.128 nicm 1451: /* Complete word. */
1.151 nicm 1452: static char *
1.152 nicm 1453: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1454: {
1455: const char **list = NULL, *colon;
1456: u_int size = 0, i;
1457: struct session *s_loop;
1458: struct winlink *wl;
1459: struct window *w;
1460: char *copy, *out, *tmp;
1461:
1462: if (*s == '\0')
1.1 nicm 1463: return (NULL);
1.128 nicm 1464: out = NULL;
1465:
1466: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1467: list = status_prompt_complete_list(&size, s);
1468: if (size == 0)
1469: out = NULL;
1470: else if (size == 1)
1471: xasprintf(&out, "%s ", list[0]);
1472: else
1473: out = status_prompt_complete_prefix(list, size);
1474: free(list);
1475: return (out);
1476: }
1477: copy = xstrdup(s);
1478:
1479: colon = ":";
1480: if (copy[strlen(copy) - 1] == ':')
1481: copy[strlen(copy) - 1] = '\0';
1482: else
1483: colon = "";
1484: s = copy + 2;
1.1 nicm 1485:
1.128 nicm 1486: RB_FOREACH(s_loop, sessions, &sessions) {
1487: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1488: list = xreallocarray(list, size + 2, sizeof *list);
1489: list[size++] = s_loop->name;
1490: }
1491: }
1492: if (size == 1) {
1493: out = xstrdup(list[0]);
1494: if (session_find(list[0]) != NULL)
1495: colon = ":";
1496: } else if (size != 0)
1497: out = status_prompt_complete_prefix(list, size);
1498: if (out != NULL) {
1499: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1500: out = tmp;
1501: goto found;
1502: }
1503:
1504: colon = "";
1505: if (*s == ':') {
1.152 nicm 1506: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1507: xasprintf(&tmp, ":%s", wl->window->name);
1508: if (strncmp(tmp, s, strlen(s)) == 0){
1509: list = xreallocarray(list, size + 1,
1510: sizeof *list);
1511: list[size++] = tmp;
1512: continue;
1513: }
1514: free(tmp);
1.1 nicm 1515:
1.128 nicm 1516: xasprintf(&tmp, ":%d", wl->idx);
1517: if (strncmp(tmp, s, strlen(s)) == 0) {
1518: list = xreallocarray(list, size + 1,
1519: sizeof *list);
1520: list[size++] = tmp;
1521: continue;
1522: }
1523: free(tmp);
1524: }
1525: } else {
1526: RB_FOREACH(s_loop, sessions, &sessions) {
1527: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1528: w = wl->window;
1529:
1530: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1531: if (strncmp(tmp, s, strlen(s)) == 0) {
1532: list = xreallocarray(list, size + 1,
1533: sizeof *list);
1534: list[size++] = tmp;
1535: continue;
1536: }
1537: free(tmp);
1538:
1539: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1540: if (strncmp(tmp, s, strlen(s)) == 0) {
1541: list = xreallocarray(list, size + 1,
1542: sizeof *list);
1543: list[size++] = tmp;
1544: continue;
1545: }
1546: free(tmp);
1547: }
1.1 nicm 1548: }
1549: }
1.128 nicm 1550: if (size == 1) {
1551: out = xstrdup(list[0]);
1552: colon = " ";
1553: } else if (size != 0)
1554: out = status_prompt_complete_prefix(list, size);
1555: if (out != NULL) {
1556: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1557: out = tmp;
1558: }
1559:
1560: for (i = 0; i < size; i++)
1561: free((void *)list[i]);
1562:
1563: found:
1564: free(copy);
1565: free(list);
1566: return (out);
1.1 nicm 1567: }
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