Annotation of src/usr.bin/tmux/status.c, Revision 1.171
1.171 ! nicm 1: /* $OpenBSD: status.c,v 1.170 2017/10/20 13:10:54 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:
1.169 nicm 213: if (c->flags & CLIENT_STATUSOFF)
214: return (-1);
1.161 nicm 215: if (s->statusat != 1)
216: return (s->statusat);
1.169 nicm 217: return (c->tty.sy - status_line_size(s));
218: }
219:
220: /*
221: * Get size of status line for session. 0 means off. Note that status line may
222: * be forced off for an individual client if it is too small (the
223: * CLIENT_STATUSOFF flag is set for this).
224: */
225: u_int
226: status_line_size(struct session *s)
227: {
228: if (s->statusat == -1)
229: return (0);
230: return (1);
1.71 nicm 231: }
232:
1.48 nicm 233: /* Retrieve options for left string. */
1.151 nicm 234: static char *
1.139 nicm 235: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
236: size_t *size)
1.48 nicm 237: {
238: struct session *s = c->session;
1.120 nicm 239: const char *template;
1.48 nicm 240: char *left;
241: size_t leftlen;
242:
1.137 nicm 243: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 244:
1.137 nicm 245: template = options_get_string(s->options, "status-left");
1.123 nicm 246: left = status_replace(c, NULL, template, t);
1.48 nicm 247:
1.137 nicm 248: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 249: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 250: if (leftlen < *size)
251: *size = leftlen;
252: return (left);
253: }
254:
255: /* Retrieve options for right string. */
1.151 nicm 256: static char *
1.139 nicm 257: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
258: size_t *size)
1.48 nicm 259: {
260: struct session *s = c->session;
1.120 nicm 261: const char *template;
1.48 nicm 262: char *right;
263: size_t rightlen;
264:
1.137 nicm 265: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 266:
1.137 nicm 267: template = options_get_string(s->options, "status-right");
1.123 nicm 268: right = status_replace(c, NULL, template, t);
1.48 nicm 269:
1.137 nicm 270: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 271: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 272: if (rightlen < *size)
273: *size = rightlen;
274: return (right);
275: }
276:
1.125 nicm 277: /* Get window at window list position. */
278: struct window *
279: status_get_window_at(struct client *c, u_int x)
1.73 nicm 280: {
281: struct session *s = c->session;
282: struct winlink *wl;
1.115 nicm 283: struct options *oo;
1.149 nicm 284: const char *sep;
285: size_t seplen;
1.73 nicm 286:
1.88 nicm 287: x += c->wlmouse;
1.73 nicm 288: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 289: oo = wl->window->options;
1.149 nicm 290:
291: sep = options_get_string(oo, "window-status-separator");
292: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 293:
1.125 nicm 294: if (x < wl->status_width)
295: return (wl->window);
1.149 nicm 296: x -= wl->status_width + seplen;
1.73 nicm 297: }
1.125 nicm 298: return (NULL);
1.73 nicm 299: }
300:
1.1 nicm 301: /* Draw status for client on the last lines of given context. */
302: int
303: status_redraw(struct client *c)
304: {
1.159 nicm 305: struct screen_write_ctx ctx;
306: struct session *s = c->session;
307: struct winlink *wl;
308: struct screen old_status, window_list;
309: struct grid_cell stdgc, lgc, rgc, gc;
310: struct options *oo;
311: time_t t;
312: char *left, *right;
313: const char *sep;
1.169 nicm 314: u_int offset, needed, lines;
1.159 nicm 315: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
316: size_t llen, rlen, seplen;
317: int larrow, rarrow;
1.1 nicm 318:
1.167 nicm 319: /* Delete the saved status line, if any. */
320: if (c->old_status != NULL) {
321: screen_free(c->old_status);
322: free(c->old_status);
323: c->old_status = NULL;
324: }
325:
1.49 nicm 326: /* No status line? */
1.169 nicm 327: lines = status_line_size(s);
328: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 329: return (1);
1.48 nicm 330: left = right = NULL;
1.7 nicm 331: larrow = rarrow = 0;
1.1 nicm 332:
1.133 nicm 333: /* Store current time. */
334: t = time(NULL);
1.48 nicm 335:
336: /* Set up default colour. */
1.137 nicm 337: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 338:
1.48 nicm 339: /* Create the target screen. */
340: memcpy(&old_status, &c->status, sizeof old_status);
1.169 nicm 341: screen_init(&c->status, c->tty.sx, lines, 0);
1.48 nicm 342: screen_write_start(&ctx, NULL, &c->status);
1.170 nicm 343: for (offset = 0; offset < lines * c->tty.sx; offset++)
344: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 345: screen_write_stop(&ctx);
346:
1.169 nicm 347: /* If the height is too small, blank status line. */
348: if (c->tty.sy < lines)
1.48 nicm 349: goto out;
1.1 nicm 350:
1.48 nicm 351: /* Work out left and right strings. */
352: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 353: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 354: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 355: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 356:
357: /*
1.48 nicm 358: * Figure out how much space we have for the window list. If there
359: * isn't enough space, just show a blank status line.
1.1 nicm 360: */
1.55 nicm 361: needed = 0;
1.1 nicm 362: if (llen != 0)
1.118 nicm 363: needed += llen;
1.1 nicm 364: if (rlen != 0)
1.118 nicm 365: needed += rlen;
1.48 nicm 366: if (c->tty.sx == 0 || c->tty.sx <= needed)
367: goto out;
368: wlavailable = c->tty.sx - needed;
1.1 nicm 369:
1.48 nicm 370: /* Calculate the total size needed for the window list. */
371: wlstart = wloffset = wlwidth = 0;
1.1 nicm 372: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 373: free(wl->status_text);
1.48 nicm 374: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
375: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 376: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 377:
1.1 nicm 378: if (wl == s->curw)
1.48 nicm 379: wloffset = wlwidth;
1.91 nicm 380:
1.137 nicm 381: oo = wl->window->options;
1.91 nicm 382: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 383: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 384: wlwidth += wl->status_width + seplen;
1.48 nicm 385: }
386:
387: /* Create a new screen for the window list. */
388: screen_init(&window_list, wlwidth, 1, 0);
389:
390: /* And draw the window list into it. */
391: screen_write_start(&ctx, NULL, &window_list);
392: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 393: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
394: wl->status_text);
1.91 nicm 395:
1.137 nicm 396: oo = wl->window->options;
1.91 nicm 397: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 398: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 399: }
1.48 nicm 400: screen_write_stop(&ctx);
1.1 nicm 401:
1.48 nicm 402: /* If there is enough space for the total width, skip to draw now. */
403: if (wlwidth <= wlavailable)
1.1 nicm 404: goto draw;
405:
406: /* Find size of current window text. */
1.48 nicm 407: wlsize = s->curw->status_width;
1.1 nicm 408:
409: /*
1.48 nicm 410: * If the current window is already on screen, good to draw from the
1.1 nicm 411: * start and just leave off the end.
412: */
1.48 nicm 413: if (wloffset + wlsize < wlavailable) {
414: if (wlavailable > 0) {
415: rarrow = 1;
416: wlavailable--;
417: }
418: wlwidth = wlavailable;
419: } else {
420: /*
421: * Work out how many characters we need to omit from the
422: * start. There are wlavailable characters to fill, and
423: * wloffset + wlsize must be the last. So, the start character
424: * is wloffset + wlsize - wlavailable.
425: */
426: if (wlavailable > 0) {
427: larrow = 1;
428: wlavailable--;
429: }
1.55 nicm 430:
1.48 nicm 431: wlstart = wloffset + wlsize - wlavailable;
432: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 433: rarrow = 1;
1.48 nicm 434: wlstart++;
435: wlavailable--;
1.1 nicm 436: }
1.48 nicm 437: wlwidth = wlavailable;
438: }
1.1 nicm 439:
1.48 nicm 440: /* Bail if anything is now too small too. */
441: if (wlwidth == 0 || wlavailable == 0) {
442: screen_free(&window_list);
443: goto out;
1.1 nicm 444: }
445:
446: /*
1.48 nicm 447: * Now the start position is known, work out the state of the left and
448: * right arrows.
1.1 nicm 449: */
450: offset = 0;
451: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 452: if (wl->flags & WINLINK_ALERTFLAGS &&
453: larrow == 1 && offset < wlstart)
454: larrow = -1;
1.1 nicm 455:
1.48 nicm 456: offset += wl->status_width;
1.1 nicm 457:
1.63 nicm 458: if (wl->flags & WINLINK_ALERTFLAGS &&
459: rarrow == 1 && offset > wlstart + wlwidth)
460: rarrow = -1;
1.1 nicm 461: }
462:
1.48 nicm 463: draw:
1.55 nicm 464: /* Begin drawing. */
1.48 nicm 465: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 466:
1.48 nicm 467: /* Draw the left string and arrow. */
468: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 469: if (llen != 0)
1.139 nicm 470: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 471: if (larrow != 0) {
472: memcpy(&gc, &stdgc, sizeof gc);
473: if (larrow == -1)
474: gc.attr ^= GRID_ATTR_REVERSE;
475: screen_write_putc(&ctx, &gc, '<');
476: }
1.48 nicm 477:
478: /* Draw the right string and arrow. */
1.1 nicm 479: if (rarrow != 0) {
1.118 nicm 480: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 481: memcpy(&gc, &stdgc, sizeof gc);
482: if (rarrow == -1)
483: gc.attr ^= GRID_ATTR_REVERSE;
484: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 485: } else
1.118 nicm 486: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
487: if (rlen != 0)
1.139 nicm 488: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 489:
1.48 nicm 490: /* Figure out the offset for the window list. */
1.58 nicm 491: if (llen != 0)
1.118 nicm 492: wloffset = llen;
1.58 nicm 493: else
494: wloffset = 0;
1.48 nicm 495: if (wlwidth < wlavailable) {
1.137 nicm 496: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 497: case 1: /* centred */
1.58 nicm 498: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 499: break;
500: case 2: /* right */
1.58 nicm 501: wloffset += (wlavailable - wlwidth);
1.48 nicm 502: break;
503: }
504: }
505: if (larrow != 0)
506: wloffset++;
507:
508: /* Copy the window list. */
1.88 nicm 509: c->wlmouse = -wloffset + wlstart;
1.48 nicm 510: screen_write_cursormove(&ctx, wloffset, 0);
1.171 ! nicm 511: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 512: screen_free(&window_list);
1.1 nicm 513:
1.48 nicm 514: screen_write_stop(&ctx);
1.1 nicm 515:
516: out:
1.94 nicm 517: free(left);
518: free(right);
1.1 nicm 519:
520: if (grid_compare(c->status.grid, old_status.grid) == 0) {
521: screen_free(&old_status);
522: return (0);
523: }
524: screen_free(&old_status);
525: return (1);
526: }
527:
1.46 nicm 528: /* Replace special sequences in fmt. */
1.151 nicm 529: static char *
1.123 nicm 530: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 531: {
1.96 nicm 532: struct format_tree *ft;
1.129 nicm 533: char *expanded;
1.160 nicm 534: u_int tag;
1.47 nicm 535:
1.93 nicm 536: if (fmt == NULL)
537: return (xstrdup(""));
538:
1.160 nicm 539: if (wl != NULL)
540: tag = FORMAT_WINDOW|wl->window->id;
541: else
542: tag = FORMAT_NONE;
1.135 nicm 543: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 544: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 545: else
1.164 nicm 546: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 547: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 548:
1.129 nicm 549: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 550:
1.99 nicm 551: format_free(ft);
552: return (expanded);
1.1 nicm 553: }
554:
1.46 nicm 555: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 556: static char *
1.120 nicm 557: status_print(struct client *c, struct winlink *wl, time_t t,
558: struct grid_cell *gc)
1.1 nicm 559: {
1.137 nicm 560: struct options *oo = wl->window->options;
1.47 nicm 561: struct session *s = c->session;
562: const char *fmt;
563: char *text;
1.1 nicm 564:
1.108 nicm 565: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 566: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 567: if (wl == s->curw) {
1.108 nicm 568: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 569: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 570: }
1.108 nicm 571: if (wl == TAILQ_FIRST(&s->lastw))
572: style_apply_update(gc, oo, "window-status-last-style");
573:
574: if (wl->flags & WINLINK_BELL)
575: style_apply_update(gc, oo, "window-status-bell-style");
576: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
577: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 578:
1.123 nicm 579: text = status_replace(c, wl, fmt, t);
1.1 nicm 580: return (text);
581: }
582:
1.46 nicm 583: /* Set a status line message. */
1.117 nicm 584: void
1.10 nicm 585: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 586: {
1.162 nicm 587: struct timeval tv;
588: va_list ap;
589: int delay;
1.1 nicm 590:
1.12 nicm 591: status_message_clear(c);
592:
1.167 nicm 593: if (c->old_status == NULL) {
594: c->old_status = xmalloc(sizeof *c->old_status);
595: memcpy(c->old_status, &c->status, sizeof *c->old_status);
596: screen_init(&c->status, c->tty.sx, 1, 0);
597: }
598:
1.28 nicm 599: va_start(ap, fmt);
600: xvasprintf(&c->message_string, fmt, ap);
601: va_end(ap);
602:
1.162 nicm 603: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 604:
1.137 nicm 605: delay = options_get_number(c->session->options, "display-time");
1.143 tim 606: if (delay > 0) {
607: tv.tv_sec = delay / 1000;
608: tv.tv_usec = (delay % 1000) * 1000L;
609:
610: if (event_initialized(&c->message_timer))
611: evtimer_del(&c->message_timer);
612: evtimer_set(&c->message_timer, status_message_callback, c);
613: evtimer_add(&c->message_timer, &tv);
614: }
1.1 nicm 615:
616: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
617: c->flags |= CLIENT_STATUS;
618: }
619:
1.46 nicm 620: /* Clear status line message. */
1.1 nicm 621: void
622: status_message_clear(struct client *c)
623: {
624: if (c->message_string == NULL)
625: return;
626:
1.94 nicm 627: free(c->message_string);
1.1 nicm 628: c->message_string = NULL;
629:
1.156 nicm 630: if (c->prompt_string == NULL)
631: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 632: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 633:
634: screen_reinit(&c->status);
1.42 nicm 635: }
636:
1.46 nicm 637: /* Clear status line message after timer expires. */
1.151 nicm 638: static void
1.141 nicm 639: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 640: {
641: struct client *c = data;
642:
643: status_message_clear(c);
1.1 nicm 644: }
645:
646: /* Draw client message on status line of present else on last line. */
647: int
648: status_message_redraw(struct client *c)
649: {
650: struct screen_write_ctx ctx;
651: struct session *s = c->session;
652: struct screen old_status;
653: size_t len;
654: struct grid_cell gc;
1.170 nicm 655: u_int lines, offset;
1.1 nicm 656:
657: if (c->tty.sx == 0 || c->tty.sy == 0)
658: return (0);
659: memcpy(&old_status, &c->status, sizeof old_status);
1.169 nicm 660:
661: lines = status_line_size(c->session);
662: if (lines <= 1)
663: screen_init(&c->status, c->tty.sx, 1, 0);
664: else
665: screen_init(&c->status, c->tty.sx, lines, 0);
1.1 nicm 666:
1.139 nicm 667: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 668: if (len > c->tty.sx)
669: len = c->tty.sx;
670:
1.137 nicm 671: style_apply(&gc, s->options, "message-style");
1.1 nicm 672:
673: screen_write_start(&ctx, NULL, &c->status);
1.170 nicm 674: screen_write_cursormove(&ctx, 0, 0);
675: for (offset = 0; offset < lines * c->tty.sx; offset++)
676: screen_write_putc(&ctx, &gc, ' ');
1.169 nicm 677: screen_write_cursormove(&ctx, 0, lines - 1);
1.139 nicm 678: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 679: screen_write_stop(&ctx);
680:
681: if (grid_compare(c->status.grid, old_status.grid) == 0) {
682: screen_free(&old_status);
683: return (0);
684: }
685: screen_free(&old_status);
686: return (1);
687: }
688:
1.46 nicm 689: /* Enable status line prompt. */
1.1 nicm 690: void
1.76 nicm 691: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 692: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 693: {
1.122 nicm 694: struct format_tree *ft;
695: time_t t;
1.165 nicm 696: char *tmp, *cp;
1.122 nicm 697:
1.164 nicm 698: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 699: format_defaults(ft, c, NULL, NULL, NULL);
1.168 nicm 700: t = time(NULL);
1.152 nicm 701:
1.168 nicm 702: if (input == NULL)
703: input = "";
704: if (flags & PROMPT_NOFORMAT)
705: tmp = xstrdup(input);
706: else
707: tmp = format_expand_time(ft, input, t);
1.20 nicm 708:
1.12 nicm 709: status_message_clear(c);
710: status_prompt_clear(c);
1.167 nicm 711:
712: if (c->old_status == NULL) {
713: c->old_status = xmalloc(sizeof *c->old_status);
714: memcpy(c->old_status, &c->status, sizeof *c->old_status);
715: screen_init(&c->status, c->tty.sx, 1, 0);
716: }
1.12 nicm 717:
1.124 nicm 718: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 719:
1.152 nicm 720: c->prompt_buffer = utf8_fromcstr(tmp);
721: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 722:
1.166 nicm 723: c->prompt_inputcb = inputcb;
724: c->prompt_freecb = freecb;
1.1 nicm 725: c->prompt_data = data;
726:
727: c->prompt_hindex = 0;
728:
729: c->prompt_flags = flags;
1.155 nicm 730: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 731:
1.158 nicm 732: if (~flags & PROMPT_INCREMENTAL)
733: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.1 nicm 734: c->flags |= CLIENT_STATUS;
1.165 nicm 735:
736: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
737: xasprintf(&cp, "=%s", tmp);
1.166 nicm 738: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 739: free(cp);
740: }
1.122 nicm 741:
1.152 nicm 742: free(tmp);
1.122 nicm 743: format_free(ft);
1.1 nicm 744: }
745:
1.46 nicm 746: /* Remove status line prompt. */
1.1 nicm 747: void
748: status_prompt_clear(struct client *c)
749: {
1.55 nicm 750: if (c->prompt_string == NULL)
1.1 nicm 751: return;
752:
1.166 nicm 753: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
754: c->prompt_freecb(c->prompt_data);
1.1 nicm 755:
1.94 nicm 756: free(c->prompt_string);
1.1 nicm 757: c->prompt_string = NULL;
758:
1.94 nicm 759: free(c->prompt_buffer);
1.1 nicm 760: c->prompt_buffer = NULL;
761:
762: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 763: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 764:
765: screen_reinit(&c->status);
1.27 nicm 766: }
767:
1.46 nicm 768: /* Update status line prompt with a new prompt string. */
1.27 nicm 769: void
1.76 nicm 770: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 771: {
1.122 nicm 772: struct format_tree *ft;
773: time_t t;
1.152 nicm 774: char *tmp;
1.122 nicm 775:
1.164 nicm 776: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 777: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 778:
1.122 nicm 779: t = time(NULL);
1.152 nicm 780: tmp = format_expand_time(ft, input, t);
1.122 nicm 781:
1.94 nicm 782: free(c->prompt_string);
1.124 nicm 783: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 784:
1.94 nicm 785: free(c->prompt_buffer);
1.152 nicm 786: c->prompt_buffer = utf8_fromcstr(tmp);
787: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 788:
789: c->prompt_hindex = 0;
790:
791: c->flags |= CLIENT_STATUS;
1.122 nicm 792:
1.152 nicm 793: free(tmp);
1.122 nicm 794: format_free(ft);
1.1 nicm 795: }
796:
797: /* Draw client prompt on status line of present else on last line. */
798: int
799: status_prompt_redraw(struct client *c)
800: {
1.152 nicm 801: struct screen_write_ctx ctx;
802: struct session *s = c->session;
803: struct screen old_status;
804: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 805: u_int lines;
806: size_t len, off;
1.152 nicm 807: struct grid_cell gc, cursorgc;
1.1 nicm 808:
809: if (c->tty.sx == 0 || c->tty.sy == 0)
810: return (0);
811: memcpy(&old_status, &c->status, sizeof old_status);
1.169 nicm 812:
813: lines = status_line_size(c->session);
814: if (lines <= 1)
815: screen_init(&c->status, c->tty.sx, 1, 0);
816: else
817: screen_init(&c->status, c->tty.sx, lines, 0);
818:
819: len = screen_write_strlen("%s", c->prompt_string);
820: if (len > c->tty.sx)
821: len = c->tty.sx;
822: off = 0;
1.1 nicm 823:
1.155 nicm 824: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 825: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 826: else
1.137 nicm 827: style_apply(&gc, s->options, "message-style");
1.1 nicm 828:
1.152 nicm 829: memcpy(&cursorgc, &gc, sizeof cursorgc);
830: cursorgc.attr ^= GRID_ATTR_REVERSE;
831:
832: start = screen_write_strlen("%s", c->prompt_string);
833: if (start > c->tty.sx)
834: start = c->tty.sx;
835:
1.1 nicm 836: screen_write_start(&ctx, NULL, &c->status);
1.170 nicm 837: screen_write_cursormove(&ctx, 0, 0);
838: for (offset = 0; offset < lines * c->tty.sx; offset++)
839: screen_write_putc(&ctx, &gc, ' ');
840: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 841: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.170 nicm 842: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 843:
1.152 nicm 844: left = c->tty.sx - start;
845: if (left == 0)
846: goto finished;
847:
848: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
849: pwidth = utf8_strwidth(c->prompt_buffer, -1);
850: if (pcursor >= left) {
851: /*
852: * The cursor would be outside the screen so start drawing
853: * with it on the right.
854: */
855: offset = (pcursor - left) + 1;
856: pwidth = left;
857: } else
858: offset = 0;
859: if (pwidth > left)
860: pwidth = left;
861:
862: width = 0;
863: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
864: if (width < offset) {
865: width += c->prompt_buffer[i].width;
866: continue;
1.1 nicm 867: }
1.152 nicm 868: if (width >= offset + pwidth)
869: break;
870: width += c->prompt_buffer[i].width;
871: if (width > offset + pwidth)
872: break;
1.1 nicm 873:
1.152 nicm 874: if (i != c->prompt_index) {
875: utf8_copy(&gc.data, &c->prompt_buffer[i]);
876: screen_write_cell(&ctx, &gc);
877: } else {
878: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
879: screen_write_cell(&ctx, &cursorgc);
880: }
1.1 nicm 881: }
1.152 nicm 882: if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i)
883: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 884:
1.152 nicm 885: finished:
1.1 nicm 886: screen_write_stop(&ctx);
1.51 nicm 887:
1.1 nicm 888: if (grid_compare(c->status.grid, old_status.grid) == 0) {
889: screen_free(&old_status);
890: return (0);
891: }
892: screen_free(&old_status);
893: return (1);
894: }
895:
1.152 nicm 896: /* Is this a separator? */
897: static int
898: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
899: {
900: if (ud->size != 1 || ud->width != 1)
901: return (0);
902: return (strchr(ws, *ud->data) != NULL);
903: }
904:
905: /* Is this a space? */
906: static int
907: status_prompt_space(const struct utf8_data *ud)
908: {
909: if (ud->size != 1 || ud->width != 1)
910: return (0);
911: return (*ud->data == ' ');
912: }
913:
1.155 nicm 914: /*
915: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
916: * as an emacs key; return 2 to append to the buffer.
917: */
918: static int
919: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
920: {
921: if (c->prompt_mode == PROMPT_ENTRY) {
922: switch (key) {
923: case '\003': /* C-c */
924: case '\010': /* C-h */
925: case '\011': /* Tab */
926: case '\025': /* C-u */
927: case '\027': /* C-w */
928: case '\n':
929: case '\r':
930: case KEYC_BSPACE:
931: case KEYC_DC:
932: case KEYC_DOWN:
933: case KEYC_END:
934: case KEYC_HOME:
935: case KEYC_LEFT:
936: case KEYC_RIGHT:
937: case KEYC_UP:
938: *new_key = key;
939: return (1);
940: case '\033': /* Escape */
941: c->prompt_mode = PROMPT_COMMAND;
942: c->flags |= CLIENT_STATUS;
943: return (0);
944: }
945: *new_key = key;
946: return (2);
947: }
948:
949: switch (key) {
950: case 'A':
951: case 'I':
952: case 'C':
953: case 's':
954: case 'a':
955: c->prompt_mode = PROMPT_ENTRY;
956: c->flags |= CLIENT_STATUS;
957: break; /* switch mode and... */
958: case 'S':
959: c->prompt_mode = PROMPT_ENTRY;
960: c->flags |= CLIENT_STATUS;
961: *new_key = '\025'; /* C-u */
962: return (1);
963: case 'i':
964: case '\033': /* Escape */
965: c->prompt_mode = PROMPT_ENTRY;
966: c->flags |= CLIENT_STATUS;
967: return (0);
968: }
969:
970: switch (key) {
971: case 'A':
972: case '$':
973: *new_key = KEYC_END;
974: return (1);
975: case 'I':
976: case '0':
977: case '^':
978: *new_key = KEYC_HOME;
979: return (1);
980: case 'C':
981: case 'D':
982: *new_key = '\013'; /* C-k */
983: return (1);
984: case KEYC_BSPACE:
985: case 'X':
986: *new_key = KEYC_BSPACE;
987: return (1);
988: case 'b':
989: case 'B':
990: *new_key = 'b'|KEYC_ESCAPE;
991: return (1);
992: case 'd':
993: *new_key = '\025';
994: return (1);
995: case 'e':
996: case 'E':
997: case 'w':
998: case 'W':
999: *new_key = 'f'|KEYC_ESCAPE;
1000: return (1);
1001: case 'p':
1002: *new_key = '\031'; /* C-y */
1003: return (1);
1004: case 's':
1005: case KEYC_DC:
1006: case 'x':
1007: *new_key = KEYC_DC;
1008: return (1);
1009: case KEYC_DOWN:
1010: case 'j':
1011: *new_key = KEYC_DOWN;
1012: return (1);
1013: case KEYC_LEFT:
1014: case 'h':
1015: *new_key = KEYC_LEFT;
1016: return (1);
1017: case 'a':
1018: case KEYC_RIGHT:
1019: case 'l':
1020: *new_key = KEYC_RIGHT;
1021: return (1);
1022: case KEYC_UP:
1023: case 'k':
1024: *new_key = KEYC_UP;
1025: return (1);
1026: case '\010' /* C-h */:
1027: case '\003' /* C-c */:
1028: case '\n':
1029: case '\r':
1030: return (1);
1031: }
1032: return (0);
1033: }
1034:
1.1 nicm 1035: /* Handle keys in prompt. */
1.154 nicm 1036: int
1.138 nicm 1037: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1038: {
1.152 nicm 1039: struct options *oo = c->session->options;
1.1 nicm 1040: struct paste_buffer *pb;
1.158 nicm 1041: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1042: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1043: u_char ch;
1.152 nicm 1044: size_t size, n, off, idx, bufsize, used;
1045: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1046: int keys;
1.1 nicm 1047:
1.152 nicm 1048: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1049:
1050: if (c->prompt_flags & PROMPT_NUMERIC) {
1051: if (key >= '0' && key <= '9')
1052: goto append_key;
1053: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1054: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1055: status_prompt_clear(c);
1056: free(s);
1057: return (1);
1058: }
1059:
1.155 nicm 1060: keys = options_get_number(c->session->options, "status-keys");
1061: if (keys == MODEKEY_VI) {
1062: switch (status_prompt_translate_key(c, key, &key)) {
1063: case 1:
1064: goto process_key;
1065: case 2:
1066: goto append_key;
1067: default:
1068: return (0);
1069: }
1070: }
1071:
1072: process_key:
1073: switch (key) {
1074: case KEYC_LEFT:
1075: case '\002': /* C-b */
1.1 nicm 1076: if (c->prompt_index > 0) {
1077: c->prompt_index--;
1.158 nicm 1078: break;
1.1 nicm 1079: }
1080: break;
1.155 nicm 1081: case KEYC_RIGHT:
1082: case '\006': /* C-f */
1.1 nicm 1083: if (c->prompt_index < size) {
1084: c->prompt_index++;
1.158 nicm 1085: break;
1.1 nicm 1086: }
1087: break;
1.155 nicm 1088: case KEYC_HOME:
1089: case '\001': /* C-a */
1.1 nicm 1090: if (c->prompt_index != 0) {
1091: c->prompt_index = 0;
1.158 nicm 1092: break;
1.1 nicm 1093: }
1094: break;
1.155 nicm 1095: case KEYC_END:
1096: case '\005': /* C-e */
1.1 nicm 1097: if (c->prompt_index != size) {
1098: c->prompt_index = size;
1.158 nicm 1099: break;
1.1 nicm 1100: }
1101: break;
1.155 nicm 1102: case '\011': /* Tab */
1.152 nicm 1103: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1104: break;
1105:
1106: idx = c->prompt_index;
1107: if (idx != 0)
1108: idx--;
1109:
1110: /* Find the word we are in. */
1.152 nicm 1111: first = &c->prompt_buffer[idx];
1112: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1113: first--;
1.152 nicm 1114: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1115: first++;
1.152 nicm 1116: last = &c->prompt_buffer[idx];
1117: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1118: last++;
1.152 nicm 1119: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1120: last--;
1.152 nicm 1121: if (last->size != 0)
1.1 nicm 1122: last++;
1.152 nicm 1123: if (last <= first)
1124: break;
1125:
1126: used = 0;
1127: for (ud = first; ud < last; ud++) {
1128: if (used + ud->size >= sizeof word)
1129: break;
1130: memcpy(word + used, ud->data, ud->size);
1131: used += ud->size;
1132: }
1133: if (ud != last)
1.1 nicm 1134: break;
1.152 nicm 1135: word[used] = '\0';
1.1 nicm 1136:
1137: /* And try to complete it. */
1.152 nicm 1138: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1139: break;
1140:
1141: /* Trim out word. */
1142: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1143: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1144: size -= last - first;
1145:
1146: /* Insert the new word. */
1.55 nicm 1147: size += strlen(s);
1.1 nicm 1148: off = first - c->prompt_buffer;
1.152 nicm 1149: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1150: sizeof *c->prompt_buffer);
1.1 nicm 1151: first = c->prompt_buffer + off;
1.152 nicm 1152: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1153: for (idx = 0; idx < strlen(s); idx++)
1154: utf8_set(&first[idx], s[idx]);
1.1 nicm 1155:
1156: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1157: free(s);
1.1 nicm 1158:
1.158 nicm 1159: goto changed;
1.155 nicm 1160: case KEYC_BSPACE:
1161: case '\010': /* C-h */
1.1 nicm 1162: if (c->prompt_index != 0) {
1163: if (c->prompt_index == size)
1.152 nicm 1164: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1165: else {
1166: memmove(c->prompt_buffer + c->prompt_index - 1,
1167: c->prompt_buffer + c->prompt_index,
1.152 nicm 1168: (size + 1 - c->prompt_index) *
1169: sizeof *c->prompt_buffer);
1.1 nicm 1170: c->prompt_index--;
1171: }
1.158 nicm 1172: goto changed;
1.1 nicm 1173: }
1174: break;
1.155 nicm 1175: case KEYC_DC:
1176: case '\004': /* C-d */
1.1 nicm 1177: if (c->prompt_index != size) {
1178: memmove(c->prompt_buffer + c->prompt_index,
1179: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1180: (size + 1 - c->prompt_index) *
1181: sizeof *c->prompt_buffer);
1.158 nicm 1182: goto changed;
1.18 nicm 1183: }
1.26 nicm 1184: break;
1.155 nicm 1185: case '\025': /* C-u */
1.152 nicm 1186: c->prompt_buffer[0].size = 0;
1.26 nicm 1187: c->prompt_index = 0;
1.158 nicm 1188: goto changed;
1.155 nicm 1189: case '\013': /* C-k */
1.18 nicm 1190: if (c->prompt_index < size) {
1.152 nicm 1191: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1192: goto changed;
1.1 nicm 1193: }
1194: break;
1.155 nicm 1195: case '\027': /* C-w */
1.152 nicm 1196: ws = options_get_string(oo, "word-separators");
1.81 nicm 1197: idx = c->prompt_index;
1198:
1199: /* Find a non-separator. */
1200: while (idx != 0) {
1201: idx--;
1.152 nicm 1202: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1203: break;
1204: }
1205:
1206: /* Find the separator at the beginning of the word. */
1207: while (idx != 0) {
1208: idx--;
1.152 nicm 1209: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1210: /* Go back to the word. */
1211: idx++;
1212: break;
1213: }
1214: }
1215:
1216: memmove(c->prompt_buffer + idx,
1217: c->prompt_buffer + c->prompt_index,
1.152 nicm 1218: (size + 1 - c->prompt_index) *
1219: sizeof *c->prompt_buffer);
1.81 nicm 1220: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1221: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1222: c->prompt_index = idx;
1.152 nicm 1223:
1.158 nicm 1224: goto changed;
1.155 nicm 1225: case 'f'|KEYC_ESCAPE:
1226: ws = options_get_string(oo, "word-separators");
1.81 nicm 1227:
1228: /* Find a word. */
1229: while (c->prompt_index != size) {
1.152 nicm 1230: idx = ++c->prompt_index;
1231: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1232: break;
1233: }
1234:
1235: /* Find the separator at the end of the word. */
1236: while (c->prompt_index != size) {
1.152 nicm 1237: idx = ++c->prompt_index;
1238: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1239: break;
1240: }
1.106 nicm 1241:
1242: /* Back up to the end-of-word like vi. */
1243: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1244: c->prompt_index != 0)
1245: c->prompt_index--;
1.81 nicm 1246:
1.158 nicm 1247: goto changed;
1.155 nicm 1248: case 'b'|KEYC_ESCAPE:
1249: ws = options_get_string(oo, "word-separators");
1.81 nicm 1250:
1251: /* Find a non-separator. */
1252: while (c->prompt_index != 0) {
1.152 nicm 1253: idx = --c->prompt_index;
1254: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1255: break;
1256: }
1257:
1258: /* Find the separator at the beginning of the word. */
1259: while (c->prompt_index != 0) {
1.152 nicm 1260: idx = --c->prompt_index;
1261: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1262: /* Go back to the word. */
1263: c->prompt_index++;
1264: break;
1265: }
1266: }
1.158 nicm 1267: goto changed;
1.155 nicm 1268: case KEYC_UP:
1269: case '\020': /* C-p */
1.66 nicm 1270: histstr = status_prompt_up_history(&c->prompt_hindex);
1271: if (histstr == NULL)
1.1 nicm 1272: break;
1.94 nicm 1273: free(c->prompt_buffer);
1.152 nicm 1274: c->prompt_buffer = utf8_fromcstr(histstr);
1275: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1276: goto changed;
1.155 nicm 1277: case KEYC_DOWN:
1278: case '\016': /* C-n */
1.66 nicm 1279: histstr = status_prompt_down_history(&c->prompt_hindex);
1280: if (histstr == NULL)
1.65 nicm 1281: break;
1.94 nicm 1282: free(c->prompt_buffer);
1.152 nicm 1283: c->prompt_buffer = utf8_fromcstr(histstr);
1284: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1285: goto changed;
1.155 nicm 1286: case '\031': /* C-y */
1.134 nicm 1287: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1288: break;
1.134 nicm 1289: bufdata = paste_buffer_data(pb, &bufsize);
1290: for (n = 0; n < bufsize; n++) {
1291: ch = (u_char)bufdata[n];
1.152 nicm 1292: if (ch < 32 || ch >= 127)
1.32 nicm 1293: break;
1294: }
1.1 nicm 1295:
1.152 nicm 1296: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1297: sizeof *c->prompt_buffer);
1.1 nicm 1298: if (c->prompt_index == size) {
1.152 nicm 1299: for (idx = 0; idx < n; idx++) {
1300: ud = &c->prompt_buffer[c->prompt_index + idx];
1301: utf8_set(ud, bufdata[idx]);
1302: }
1.1 nicm 1303: c->prompt_index += n;
1.152 nicm 1304: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1305: } else {
1306: memmove(c->prompt_buffer + c->prompt_index + n,
1307: c->prompt_buffer + c->prompt_index,
1.152 nicm 1308: (size + 1 - c->prompt_index) *
1309: sizeof *c->prompt_buffer);
1310: for (idx = 0; idx < n; idx++) {
1311: ud = &c->prompt_buffer[c->prompt_index + idx];
1312: utf8_set(ud, bufdata[idx]);
1313: }
1.1 nicm 1314: c->prompt_index += n;
1315: }
1.158 nicm 1316: goto changed;
1.155 nicm 1317: case '\024': /* C-t */
1.30 nicm 1318: idx = c->prompt_index;
1319: if (idx < size)
1320: idx++;
1321: if (idx >= 2) {
1.152 nicm 1322: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1323: utf8_copy(&c->prompt_buffer[idx - 2],
1324: &c->prompt_buffer[idx - 1]);
1325: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1326: c->prompt_index = idx;
1.158 nicm 1327: goto changed;
1.30 nicm 1328: }
1.1 nicm 1329: break;
1.155 nicm 1330: case '\r':
1331: case '\n':
1.152 nicm 1332: s = utf8_tocstr(c->prompt_buffer);
1333: if (*s != '\0')
1334: status_prompt_add_history(s);
1.166 nicm 1335: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1336: status_prompt_clear(c);
1.152 nicm 1337: free(s);
1.25 nicm 1338: break;
1.155 nicm 1339: case '\033': /* Escape */
1340: case '\003': /* C-c */
1.166 nicm 1341: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1342: status_prompt_clear(c);
1343: break;
1.158 nicm 1344: case '\022': /* C-r */
1345: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1346: prefix = '-';
1347: goto changed;
1348: }
1349: break;
1350: case '\023': /* C-s */
1351: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1352: prefix = '+';
1353: goto changed;
1354: }
1355: break;
1356: default:
1357: goto append_key;
1.154 nicm 1358: }
1.152 nicm 1359:
1.158 nicm 1360: c->flags |= CLIENT_STATUS;
1361: return (0);
1362:
1.154 nicm 1363: append_key:
1364: if (key <= 0x1f || key >= KEYC_BASE)
1365: return (0);
1366: if (utf8_split(key, &tmp) != UTF8_DONE)
1367: return (0);
1.1 nicm 1368:
1.154 nicm 1369: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1370: sizeof *c->prompt_buffer);
1.1 nicm 1371:
1.154 nicm 1372: if (c->prompt_index == size) {
1373: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1374: c->prompt_index++;
1375: c->prompt_buffer[c->prompt_index].size = 0;
1376: } else {
1377: memmove(c->prompt_buffer + c->prompt_index + 1,
1378: c->prompt_buffer + c->prompt_index,
1379: (size + 1 - c->prompt_index) *
1380: sizeof *c->prompt_buffer);
1381: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1382: c->prompt_index++;
1383: }
1.1 nicm 1384:
1.154 nicm 1385: if (c->prompt_flags & PROMPT_SINGLE) {
1386: s = utf8_tocstr(c->prompt_buffer);
1387: if (strlen(s) != 1)
1388: status_prompt_clear(c);
1.166 nicm 1389: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1390: status_prompt_clear(c);
1391: free(s);
1.1 nicm 1392: }
1.154 nicm 1393:
1.158 nicm 1394: changed:
1.154 nicm 1395: c->flags |= CLIENT_STATUS;
1.158 nicm 1396: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1397: s = utf8_tocstr(c->prompt_buffer);
1398: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1399: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1400: free(cp);
1401: free(s);
1402: }
1.154 nicm 1403: return (0);
1.1 nicm 1404: }
1405:
1.65 nicm 1406: /* Get previous line from the history. */
1.151 nicm 1407: static const char *
1.65 nicm 1408: status_prompt_up_history(u_int *idx)
1409: {
1410: /*
1.128 nicm 1411: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1412: * empty.
1.65 nicm 1413: */
1414:
1.128 nicm 1415: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1416: return (NULL);
1417: (*idx)++;
1.128 nicm 1418: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1419: }
1420:
1421: /* Get next line from the history. */
1.151 nicm 1422: static const char *
1.65 nicm 1423: status_prompt_down_history(u_int *idx)
1424: {
1.128 nicm 1425: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1426: return ("");
1427: (*idx)--;
1428: if (*idx == 0)
1429: return ("");
1.128 nicm 1430: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1431: }
1432:
1.1 nicm 1433: /* Add line to the history. */
1.151 nicm 1434: static void
1.65 nicm 1435: status_prompt_add_history(const char *line)
1.1 nicm 1436: {
1.128 nicm 1437: size_t size;
1.65 nicm 1438:
1.128 nicm 1439: if (status_prompt_hsize > 0 &&
1440: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1441: return;
1442:
1.128 nicm 1443: if (status_prompt_hsize == PROMPT_HISTORY) {
1444: free(status_prompt_hlist[0]);
1.1 nicm 1445:
1.128 nicm 1446: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1447: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1448:
1.128 nicm 1449: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1450: return;
1451: }
1.1 nicm 1452:
1.128 nicm 1453: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1454: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1455: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1456: }
1457:
1458: /* Build completion list. */
1.151 nicm 1459: static const char **
1.128 nicm 1460: status_prompt_complete_list(u_int *size, const char *s)
1461: {
1462: const char **list = NULL, **layout;
1463: const struct cmd_entry **cmdent;
1464: const struct options_table_entry *oe;
1465: const char *layouts[] = {
1466: "even-horizontal", "even-vertical", "main-horizontal",
1467: "main-vertical", "tiled", NULL
1468: };
1.1 nicm 1469:
1.128 nicm 1470: *size = 0;
1.1 nicm 1471: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1472: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1473: list = xreallocarray(list, (*size) + 1, sizeof *list);
1474: list[(*size)++] = (*cmdent)->name;
1475: }
1.56 nicm 1476: }
1.142 nicm 1477: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1478: if (strncmp(oe->name, s, strlen(s)) == 0) {
1479: list = xreallocarray(list, (*size) + 1, sizeof *list);
1480: list[(*size)++] = oe->name;
1481: }
1482: }
1483: for (layout = layouts; *layout != NULL; layout++) {
1484: if (strncmp(*layout, s, strlen(s)) == 0) {
1485: list = xreallocarray(list, (*size) + 1, sizeof *list);
1486: list[(*size)++] = *layout;
1487: }
1488: }
1489: return (list);
1490: }
1491:
1492: /* Find longest prefix. */
1.151 nicm 1493: static char *
1.128 nicm 1494: status_prompt_complete_prefix(const char **list, u_int size)
1495: {
1496: char *out;
1497: u_int i;
1498: size_t j;
1499:
1500: out = xstrdup(list[0]);
1501: for (i = 1; i < size; i++) {
1502: j = strlen(list[i]);
1503: if (j > strlen(out))
1504: j = strlen(out);
1505: for (; j > 0; j--) {
1506: if (out[j - 1] != list[i][j - 1])
1507: out[j - 1] = '\0';
1508: }
1.1 nicm 1509: }
1.128 nicm 1510: return (out);
1511: }
1.1 nicm 1512:
1.128 nicm 1513: /* Complete word. */
1.151 nicm 1514: static char *
1.152 nicm 1515: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1516: {
1517: const char **list = NULL, *colon;
1518: u_int size = 0, i;
1519: struct session *s_loop;
1520: struct winlink *wl;
1521: struct window *w;
1522: char *copy, *out, *tmp;
1523:
1524: if (*s == '\0')
1.1 nicm 1525: return (NULL);
1.128 nicm 1526: out = NULL;
1527:
1528: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1529: list = status_prompt_complete_list(&size, s);
1530: if (size == 0)
1531: out = NULL;
1532: else if (size == 1)
1533: xasprintf(&out, "%s ", list[0]);
1534: else
1535: out = status_prompt_complete_prefix(list, size);
1536: free(list);
1537: return (out);
1538: }
1539: copy = xstrdup(s);
1540:
1541: colon = ":";
1542: if (copy[strlen(copy) - 1] == ':')
1543: copy[strlen(copy) - 1] = '\0';
1544: else
1545: colon = "";
1546: s = copy + 2;
1.1 nicm 1547:
1.128 nicm 1548: RB_FOREACH(s_loop, sessions, &sessions) {
1549: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1550: list = xreallocarray(list, size + 2, sizeof *list);
1551: list[size++] = s_loop->name;
1552: }
1553: }
1554: if (size == 1) {
1555: out = xstrdup(list[0]);
1556: if (session_find(list[0]) != NULL)
1557: colon = ":";
1558: } else if (size != 0)
1559: out = status_prompt_complete_prefix(list, size);
1560: if (out != NULL) {
1561: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1562: free(out);
1.128 nicm 1563: out = tmp;
1564: goto found;
1565: }
1566:
1567: colon = "";
1568: if (*s == ':') {
1.152 nicm 1569: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1570: xasprintf(&tmp, ":%s", wl->window->name);
1571: if (strncmp(tmp, s, strlen(s)) == 0){
1572: list = xreallocarray(list, size + 1,
1573: sizeof *list);
1574: list[size++] = tmp;
1575: continue;
1576: }
1577: free(tmp);
1.1 nicm 1578:
1.128 nicm 1579: xasprintf(&tmp, ":%d", wl->idx);
1580: if (strncmp(tmp, s, strlen(s)) == 0) {
1581: list = xreallocarray(list, size + 1,
1582: sizeof *list);
1583: list[size++] = tmp;
1584: continue;
1585: }
1586: free(tmp);
1587: }
1588: } else {
1589: RB_FOREACH(s_loop, sessions, &sessions) {
1590: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1591: w = wl->window;
1592:
1593: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1594: if (strncmp(tmp, s, strlen(s)) == 0) {
1595: list = xreallocarray(list, size + 1,
1596: sizeof *list);
1597: list[size++] = tmp;
1598: continue;
1599: }
1600: free(tmp);
1601:
1602: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1603: if (strncmp(tmp, s, strlen(s)) == 0) {
1604: list = xreallocarray(list, size + 1,
1605: sizeof *list);
1606: list[size++] = tmp;
1607: continue;
1608: }
1609: free(tmp);
1610: }
1.1 nicm 1611: }
1612: }
1.128 nicm 1613: if (size == 1) {
1614: out = xstrdup(list[0]);
1615: colon = " ";
1616: } else if (size != 0)
1617: out = status_prompt_complete_prefix(list, size);
1618: if (out != NULL) {
1619: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1620: out = tmp;
1621: }
1622:
1623: for (i = 0; i < size; i++)
1624: free((void *)list[i]);
1625:
1626: found:
1627: free(copy);
1628: free(list);
1629: return (out);
1.1 nicm 1630: }
![[BACK]](/icons/back.gif){kind=icon}
Return to status.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux