Annotation of src/usr.bin/tmux/status.c, Revision 1.175
1.175 ! nicm 1: /* $OpenBSD: status.c,v 1.174 2018/01/01 11:03:54 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:
1.175 ! nicm 154: evtimer_del(&c->status.timer);
1.133 nicm 155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
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)
1.175 ! nicm 166: evtimer_add(&c->status.timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
1.175 ! nicm 176: if (event_initialized(&c->status.timer))
! 177: evtimer_del(&c->status.timer);
1.133 nicm 178: else
1.175 ! nicm 179: evtimer_set(&c->status.timer, status_timer_callback, c);
1.133 nicm 180:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.161 nicm 195: /* Update status cache. */
196: void
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. */
1.175 ! nicm 320: if (c->status.old_status != NULL) {
! 321: screen_free(c->status.old_status);
! 322: free(c->status.old_status);
! 323: c->status.old_status = NULL;
1.167 nicm 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. */
1.175 ! nicm 340: memcpy(&old_status, &c->status.status, sizeof old_status);
! 341: screen_init(&c->status.status, c->tty.sx, lines, 0);
! 342: screen_write_start(&ctx, NULL, &c->status.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. */
1.175 ! nicm 465: screen_write_start(&ctx, NULL, &c->status.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:
1.175 ! nicm 520: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 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:
1.175 ! nicm 593: if (c->status.old_status == NULL) {
! 594: c->status.old_status = xmalloc(sizeof *c->status.old_status);
! 595: memcpy(c->status.old_status, &c->status.status,
! 596: sizeof *c->status.old_status);
! 597: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 598: }
599:
1.28 nicm 600: va_start(ap, fmt);
601: xvasprintf(&c->message_string, fmt, ap);
602: va_end(ap);
603:
1.162 nicm 604: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 605:
1.137 nicm 606: delay = options_get_number(c->session->options, "display-time");
1.143 tim 607: if (delay > 0) {
608: tv.tv_sec = delay / 1000;
609: tv.tv_usec = (delay % 1000) * 1000L;
610:
611: if (event_initialized(&c->message_timer))
612: evtimer_del(&c->message_timer);
613: evtimer_set(&c->message_timer, status_message_callback, c);
614: evtimer_add(&c->message_timer, &tv);
615: }
1.1 nicm 616:
617: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
618: c->flags |= CLIENT_STATUS;
619: }
620:
1.46 nicm 621: /* Clear status line message. */
1.1 nicm 622: void
623: status_message_clear(struct client *c)
624: {
625: if (c->message_string == NULL)
626: return;
627:
1.94 nicm 628: free(c->message_string);
1.1 nicm 629: c->message_string = NULL;
630:
1.156 nicm 631: if (c->prompt_string == NULL)
632: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 633: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 634:
1.175 ! nicm 635: screen_reinit(&c->status.status);
1.42 nicm 636: }
637:
1.46 nicm 638: /* Clear status line message after timer expires. */
1.151 nicm 639: static void
1.141 nicm 640: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 641: {
642: struct client *c = data;
643:
644: status_message_clear(c);
1.1 nicm 645: }
646:
647: /* Draw client message on status line of present else on last line. */
648: int
649: status_message_redraw(struct client *c)
650: {
651: struct screen_write_ctx ctx;
652: struct session *s = c->session;
653: struct screen old_status;
654: size_t len;
655: struct grid_cell gc;
1.170 nicm 656: u_int lines, offset;
1.1 nicm 657:
658: if (c->tty.sx == 0 || c->tty.sy == 0)
659: return (0);
1.175 ! nicm 660: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 661:
662: lines = status_line_size(c->session);
1.173 nicm 663: if (lines <= 1) {
664: lines = 1;
1.175 ! nicm 665: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 666: } else
1.175 ! nicm 667: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 668:
1.139 nicm 669: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 670: if (len > c->tty.sx)
671: len = c->tty.sx;
672:
1.137 nicm 673: style_apply(&gc, s->options, "message-style");
1.1 nicm 674:
1.175 ! nicm 675: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 676: screen_write_cursormove(&ctx, 0, 0);
677: for (offset = 0; offset < lines * c->tty.sx; offset++)
678: screen_write_putc(&ctx, &gc, ' ');
1.169 nicm 679: screen_write_cursormove(&ctx, 0, lines - 1);
1.139 nicm 680: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 681: screen_write_stop(&ctx);
682:
1.175 ! nicm 683: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 684: screen_free(&old_status);
685: return (0);
686: }
687: screen_free(&old_status);
688: return (1);
689: }
690:
1.46 nicm 691: /* Enable status line prompt. */
1.1 nicm 692: void
1.76 nicm 693: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 694: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 695: {
1.122 nicm 696: struct format_tree *ft;
697: time_t t;
1.165 nicm 698: char *tmp, *cp;
1.122 nicm 699:
1.164 nicm 700: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 701: format_defaults(ft, c, NULL, NULL, NULL);
1.168 nicm 702: t = time(NULL);
1.152 nicm 703:
1.168 nicm 704: if (input == NULL)
705: input = "";
706: if (flags & PROMPT_NOFORMAT)
707: tmp = xstrdup(input);
708: else
709: tmp = format_expand_time(ft, input, t);
1.20 nicm 710:
1.12 nicm 711: status_message_clear(c);
712: status_prompt_clear(c);
1.167 nicm 713:
1.175 ! nicm 714: if (c->status.old_status == NULL) {
! 715: c->status.old_status = xmalloc(sizeof *c->status.old_status);
! 716: memcpy(c->status.old_status, &c->status.status,
! 717: sizeof *c->status.old_status);
! 718: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 719: }
1.12 nicm 720:
1.124 nicm 721: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 722:
1.152 nicm 723: c->prompt_buffer = utf8_fromcstr(tmp);
724: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 725:
1.166 nicm 726: c->prompt_inputcb = inputcb;
727: c->prompt_freecb = freecb;
1.1 nicm 728: c->prompt_data = data;
729:
730: c->prompt_hindex = 0;
731:
732: c->prompt_flags = flags;
1.155 nicm 733: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 734:
1.158 nicm 735: if (~flags & PROMPT_INCREMENTAL)
736: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.1 nicm 737: c->flags |= CLIENT_STATUS;
1.165 nicm 738:
739: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
740: xasprintf(&cp, "=%s", tmp);
1.166 nicm 741: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 742: free(cp);
743: }
1.122 nicm 744:
1.152 nicm 745: free(tmp);
1.122 nicm 746: format_free(ft);
1.1 nicm 747: }
748:
1.46 nicm 749: /* Remove status line prompt. */
1.1 nicm 750: void
751: status_prompt_clear(struct client *c)
752: {
1.55 nicm 753: if (c->prompt_string == NULL)
1.1 nicm 754: return;
755:
1.166 nicm 756: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
757: c->prompt_freecb(c->prompt_data);
1.1 nicm 758:
1.94 nicm 759: free(c->prompt_string);
1.1 nicm 760: c->prompt_string = NULL;
761:
1.94 nicm 762: free(c->prompt_buffer);
1.1 nicm 763: c->prompt_buffer = NULL;
764:
765: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 766: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 767:
1.175 ! nicm 768: screen_reinit(&c->status.status);
1.27 nicm 769: }
770:
1.46 nicm 771: /* Update status line prompt with a new prompt string. */
1.27 nicm 772: void
1.76 nicm 773: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 774: {
1.122 nicm 775: struct format_tree *ft;
776: time_t t;
1.152 nicm 777: char *tmp;
1.122 nicm 778:
1.164 nicm 779: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 780: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 781:
1.122 nicm 782: t = time(NULL);
1.152 nicm 783: tmp = format_expand_time(ft, input, t);
1.122 nicm 784:
1.94 nicm 785: free(c->prompt_string);
1.124 nicm 786: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 787:
1.94 nicm 788: free(c->prompt_buffer);
1.152 nicm 789: c->prompt_buffer = utf8_fromcstr(tmp);
790: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 791:
792: c->prompt_hindex = 0;
793:
794: c->flags |= CLIENT_STATUS;
1.122 nicm 795:
1.152 nicm 796: free(tmp);
1.122 nicm 797: format_free(ft);
1.1 nicm 798: }
799:
800: /* Draw client prompt on status line of present else on last line. */
801: int
802: status_prompt_redraw(struct client *c)
803: {
1.152 nicm 804: struct screen_write_ctx ctx;
805: struct session *s = c->session;
806: struct screen old_status;
807: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 808: u_int lines;
1.172 nicm 809: size_t len;
1.152 nicm 810: struct grid_cell gc, cursorgc;
1.1 nicm 811:
812: if (c->tty.sx == 0 || c->tty.sy == 0)
813: return (0);
1.175 ! nicm 814: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 815:
816: lines = status_line_size(c->session);
1.173 nicm 817: if (lines <= 1) {
818: lines = 1;
1.175 ! nicm 819: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 820: } else
1.175 ! nicm 821: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.169 nicm 822:
823: len = screen_write_strlen("%s", c->prompt_string);
824: if (len > c->tty.sx)
825: len = c->tty.sx;
1.1 nicm 826:
1.155 nicm 827: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 828: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 829: else
1.137 nicm 830: style_apply(&gc, s->options, "message-style");
1.1 nicm 831:
1.152 nicm 832: memcpy(&cursorgc, &gc, sizeof cursorgc);
833: cursorgc.attr ^= GRID_ATTR_REVERSE;
834:
835: start = screen_write_strlen("%s", c->prompt_string);
836: if (start > c->tty.sx)
837: start = c->tty.sx;
838:
1.175 ! nicm 839: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 840: screen_write_cursormove(&ctx, 0, 0);
841: for (offset = 0; offset < lines * c->tty.sx; offset++)
842: screen_write_putc(&ctx, &gc, ' ');
843: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 844: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.170 nicm 845: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 846:
1.152 nicm 847: left = c->tty.sx - start;
848: if (left == 0)
849: goto finished;
850:
851: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
852: pwidth = utf8_strwidth(c->prompt_buffer, -1);
853: if (pcursor >= left) {
854: /*
855: * The cursor would be outside the screen so start drawing
856: * with it on the right.
857: */
858: offset = (pcursor - left) + 1;
859: pwidth = left;
860: } else
861: offset = 0;
862: if (pwidth > left)
863: pwidth = left;
864:
865: width = 0;
866: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
867: if (width < offset) {
868: width += c->prompt_buffer[i].width;
869: continue;
1.1 nicm 870: }
1.152 nicm 871: if (width >= offset + pwidth)
872: break;
873: width += c->prompt_buffer[i].width;
874: if (width > offset + pwidth)
875: break;
1.1 nicm 876:
1.152 nicm 877: if (i != c->prompt_index) {
878: utf8_copy(&gc.data, &c->prompt_buffer[i]);
879: screen_write_cell(&ctx, &gc);
880: } else {
881: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
882: screen_write_cell(&ctx, &cursorgc);
883: }
1.1 nicm 884: }
1.175 ! nicm 885: if (c->status.status.cx < screen_size_x(&c->status.status) &&
! 886: c->prompt_index >= i)
1.152 nicm 887: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 888:
1.152 nicm 889: finished:
1.1 nicm 890: screen_write_stop(&ctx);
1.51 nicm 891:
1.175 ! nicm 892: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 893: screen_free(&old_status);
894: return (0);
895: }
896: screen_free(&old_status);
897: return (1);
898: }
899:
1.152 nicm 900: /* Is this a separator? */
901: static int
902: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
903: {
904: if (ud->size != 1 || ud->width != 1)
905: return (0);
906: return (strchr(ws, *ud->data) != NULL);
907: }
908:
909: /* Is this a space? */
910: static int
911: status_prompt_space(const struct utf8_data *ud)
912: {
913: if (ud->size != 1 || ud->width != 1)
914: return (0);
915: return (*ud->data == ' ');
916: }
917:
1.155 nicm 918: /*
919: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
920: * as an emacs key; return 2 to append to the buffer.
921: */
922: static int
923: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
924: {
925: if (c->prompt_mode == PROMPT_ENTRY) {
926: switch (key) {
927: case '\003': /* C-c */
928: case '\010': /* C-h */
929: case '\011': /* Tab */
930: case '\025': /* C-u */
931: case '\027': /* C-w */
932: case '\n':
933: case '\r':
934: case KEYC_BSPACE:
935: case KEYC_DC:
936: case KEYC_DOWN:
937: case KEYC_END:
938: case KEYC_HOME:
939: case KEYC_LEFT:
940: case KEYC_RIGHT:
941: case KEYC_UP:
942: *new_key = key;
943: return (1);
944: case '\033': /* Escape */
945: c->prompt_mode = PROMPT_COMMAND;
946: c->flags |= CLIENT_STATUS;
947: return (0);
948: }
949: *new_key = key;
950: return (2);
951: }
952:
953: switch (key) {
954: case 'A':
955: case 'I':
956: case 'C':
957: case 's':
958: case 'a':
959: c->prompt_mode = PROMPT_ENTRY;
960: c->flags |= CLIENT_STATUS;
961: break; /* switch mode and... */
962: case 'S':
963: c->prompt_mode = PROMPT_ENTRY;
964: c->flags |= CLIENT_STATUS;
965: *new_key = '\025'; /* C-u */
966: return (1);
967: case 'i':
968: case '\033': /* Escape */
969: c->prompt_mode = PROMPT_ENTRY;
970: c->flags |= CLIENT_STATUS;
971: return (0);
972: }
973:
974: switch (key) {
975: case 'A':
976: case '$':
977: *new_key = KEYC_END;
978: return (1);
979: case 'I':
980: case '0':
981: case '^':
982: *new_key = KEYC_HOME;
983: return (1);
984: case 'C':
985: case 'D':
986: *new_key = '\013'; /* C-k */
987: return (1);
988: case KEYC_BSPACE:
989: case 'X':
990: *new_key = KEYC_BSPACE;
991: return (1);
992: case 'b':
993: case 'B':
994: *new_key = 'b'|KEYC_ESCAPE;
995: return (1);
996: case 'd':
997: *new_key = '\025';
998: return (1);
999: case 'e':
1000: case 'E':
1001: case 'w':
1002: case 'W':
1003: *new_key = 'f'|KEYC_ESCAPE;
1004: return (1);
1005: case 'p':
1006: *new_key = '\031'; /* C-y */
1007: return (1);
1008: case 's':
1009: case KEYC_DC:
1010: case 'x':
1011: *new_key = KEYC_DC;
1012: return (1);
1013: case KEYC_DOWN:
1014: case 'j':
1015: *new_key = KEYC_DOWN;
1016: return (1);
1017: case KEYC_LEFT:
1018: case 'h':
1019: *new_key = KEYC_LEFT;
1020: return (1);
1021: case 'a':
1022: case KEYC_RIGHT:
1023: case 'l':
1024: *new_key = KEYC_RIGHT;
1025: return (1);
1026: case KEYC_UP:
1027: case 'k':
1028: *new_key = KEYC_UP;
1029: return (1);
1030: case '\010' /* C-h */:
1031: case '\003' /* C-c */:
1032: case '\n':
1033: case '\r':
1034: return (1);
1035: }
1036: return (0);
1037: }
1038:
1.1 nicm 1039: /* Handle keys in prompt. */
1.154 nicm 1040: int
1.138 nicm 1041: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1042: {
1.152 nicm 1043: struct options *oo = c->session->options;
1.1 nicm 1044: struct paste_buffer *pb;
1.158 nicm 1045: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1046: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1047: u_char ch;
1.152 nicm 1048: size_t size, n, off, idx, bufsize, used;
1049: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1050: int keys;
1.1 nicm 1051:
1.152 nicm 1052: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1053:
1054: if (c->prompt_flags & PROMPT_NUMERIC) {
1055: if (key >= '0' && key <= '9')
1056: goto append_key;
1057: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1058: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1059: status_prompt_clear(c);
1060: free(s);
1061: return (1);
1062: }
1063:
1.155 nicm 1064: keys = options_get_number(c->session->options, "status-keys");
1065: if (keys == MODEKEY_VI) {
1066: switch (status_prompt_translate_key(c, key, &key)) {
1067: case 1:
1068: goto process_key;
1069: case 2:
1070: goto append_key;
1071: default:
1072: return (0);
1073: }
1074: }
1075:
1076: process_key:
1077: switch (key) {
1078: case KEYC_LEFT:
1079: case '\002': /* C-b */
1.1 nicm 1080: if (c->prompt_index > 0) {
1081: c->prompt_index--;
1.158 nicm 1082: break;
1.1 nicm 1083: }
1084: break;
1.155 nicm 1085: case KEYC_RIGHT:
1086: case '\006': /* C-f */
1.1 nicm 1087: if (c->prompt_index < size) {
1088: c->prompt_index++;
1.158 nicm 1089: break;
1.1 nicm 1090: }
1091: break;
1.155 nicm 1092: case KEYC_HOME:
1093: case '\001': /* C-a */
1.1 nicm 1094: if (c->prompt_index != 0) {
1095: c->prompt_index = 0;
1.158 nicm 1096: break;
1.1 nicm 1097: }
1098: break;
1.155 nicm 1099: case KEYC_END:
1100: case '\005': /* C-e */
1.1 nicm 1101: if (c->prompt_index != size) {
1102: c->prompt_index = size;
1.158 nicm 1103: break;
1.1 nicm 1104: }
1105: break;
1.155 nicm 1106: case '\011': /* Tab */
1.152 nicm 1107: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1108: break;
1109:
1110: idx = c->prompt_index;
1111: if (idx != 0)
1112: idx--;
1113:
1114: /* Find the word we are in. */
1.152 nicm 1115: first = &c->prompt_buffer[idx];
1116: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1117: first--;
1.152 nicm 1118: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1119: first++;
1.152 nicm 1120: last = &c->prompt_buffer[idx];
1121: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1122: last++;
1.152 nicm 1123: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1124: last--;
1.152 nicm 1125: if (last->size != 0)
1.1 nicm 1126: last++;
1.152 nicm 1127: if (last <= first)
1128: break;
1129:
1130: used = 0;
1131: for (ud = first; ud < last; ud++) {
1132: if (used + ud->size >= sizeof word)
1133: break;
1134: memcpy(word + used, ud->data, ud->size);
1135: used += ud->size;
1136: }
1137: if (ud != last)
1.1 nicm 1138: break;
1.152 nicm 1139: word[used] = '\0';
1.1 nicm 1140:
1141: /* And try to complete it. */
1.152 nicm 1142: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1143: break;
1144:
1145: /* Trim out word. */
1146: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1147: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1148: size -= last - first;
1149:
1150: /* Insert the new word. */
1.55 nicm 1151: size += strlen(s);
1.1 nicm 1152: off = first - c->prompt_buffer;
1.152 nicm 1153: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1154: sizeof *c->prompt_buffer);
1.1 nicm 1155: first = c->prompt_buffer + off;
1.152 nicm 1156: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1157: for (idx = 0; idx < strlen(s); idx++)
1158: utf8_set(&first[idx], s[idx]);
1.1 nicm 1159:
1160: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1161: free(s);
1.1 nicm 1162:
1.158 nicm 1163: goto changed;
1.155 nicm 1164: case KEYC_BSPACE:
1165: case '\010': /* C-h */
1.1 nicm 1166: if (c->prompt_index != 0) {
1167: if (c->prompt_index == size)
1.152 nicm 1168: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1169: else {
1170: memmove(c->prompt_buffer + c->prompt_index - 1,
1171: c->prompt_buffer + c->prompt_index,
1.152 nicm 1172: (size + 1 - c->prompt_index) *
1173: sizeof *c->prompt_buffer);
1.1 nicm 1174: c->prompt_index--;
1175: }
1.158 nicm 1176: goto changed;
1.1 nicm 1177: }
1178: break;
1.155 nicm 1179: case KEYC_DC:
1180: case '\004': /* C-d */
1.1 nicm 1181: if (c->prompt_index != size) {
1182: memmove(c->prompt_buffer + c->prompt_index,
1183: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1184: (size + 1 - c->prompt_index) *
1185: sizeof *c->prompt_buffer);
1.158 nicm 1186: goto changed;
1.18 nicm 1187: }
1.26 nicm 1188: break;
1.155 nicm 1189: case '\025': /* C-u */
1.152 nicm 1190: c->prompt_buffer[0].size = 0;
1.26 nicm 1191: c->prompt_index = 0;
1.158 nicm 1192: goto changed;
1.155 nicm 1193: case '\013': /* C-k */
1.18 nicm 1194: if (c->prompt_index < size) {
1.152 nicm 1195: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1196: goto changed;
1.1 nicm 1197: }
1198: break;
1.155 nicm 1199: case '\027': /* C-w */
1.152 nicm 1200: ws = options_get_string(oo, "word-separators");
1.81 nicm 1201: idx = c->prompt_index;
1202:
1203: /* Find a non-separator. */
1204: while (idx != 0) {
1205: idx--;
1.152 nicm 1206: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1207: break;
1208: }
1209:
1210: /* Find the separator at the beginning of the word. */
1211: while (idx != 0) {
1212: idx--;
1.152 nicm 1213: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1214: /* Go back to the word. */
1215: idx++;
1216: break;
1217: }
1218: }
1219:
1220: memmove(c->prompt_buffer + idx,
1221: c->prompt_buffer + c->prompt_index,
1.152 nicm 1222: (size + 1 - c->prompt_index) *
1223: sizeof *c->prompt_buffer);
1.81 nicm 1224: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1225: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1226: c->prompt_index = idx;
1.152 nicm 1227:
1.158 nicm 1228: goto changed;
1.155 nicm 1229: case 'f'|KEYC_ESCAPE:
1230: ws = options_get_string(oo, "word-separators");
1.81 nicm 1231:
1232: /* Find a word. */
1233: while (c->prompt_index != size) {
1.152 nicm 1234: idx = ++c->prompt_index;
1235: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1236: break;
1237: }
1238:
1239: /* Find the separator at the end of the word. */
1240: while (c->prompt_index != size) {
1.152 nicm 1241: idx = ++c->prompt_index;
1242: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1243: break;
1244: }
1.106 nicm 1245:
1246: /* Back up to the end-of-word like vi. */
1247: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1248: c->prompt_index != 0)
1249: c->prompt_index--;
1.81 nicm 1250:
1.158 nicm 1251: goto changed;
1.155 nicm 1252: case 'b'|KEYC_ESCAPE:
1253: ws = options_get_string(oo, "word-separators");
1.81 nicm 1254:
1255: /* Find a non-separator. */
1256: while (c->prompt_index != 0) {
1.152 nicm 1257: idx = --c->prompt_index;
1258: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1259: break;
1260: }
1261:
1262: /* Find the separator at the beginning of the word. */
1263: while (c->prompt_index != 0) {
1.152 nicm 1264: idx = --c->prompt_index;
1265: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1266: /* Go back to the word. */
1267: c->prompt_index++;
1268: break;
1269: }
1270: }
1.158 nicm 1271: goto changed;
1.155 nicm 1272: case KEYC_UP:
1273: case '\020': /* C-p */
1.66 nicm 1274: histstr = status_prompt_up_history(&c->prompt_hindex);
1275: if (histstr == NULL)
1.1 nicm 1276: break;
1.94 nicm 1277: free(c->prompt_buffer);
1.152 nicm 1278: c->prompt_buffer = utf8_fromcstr(histstr);
1279: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1280: goto changed;
1.155 nicm 1281: case KEYC_DOWN:
1282: case '\016': /* C-n */
1.66 nicm 1283: histstr = status_prompt_down_history(&c->prompt_hindex);
1284: if (histstr == NULL)
1.65 nicm 1285: break;
1.94 nicm 1286: free(c->prompt_buffer);
1.152 nicm 1287: c->prompt_buffer = utf8_fromcstr(histstr);
1288: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1289: goto changed;
1.155 nicm 1290: case '\031': /* C-y */
1.134 nicm 1291: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1292: break;
1.134 nicm 1293: bufdata = paste_buffer_data(pb, &bufsize);
1294: for (n = 0; n < bufsize; n++) {
1295: ch = (u_char)bufdata[n];
1.152 nicm 1296: if (ch < 32 || ch >= 127)
1.32 nicm 1297: break;
1298: }
1.1 nicm 1299:
1.152 nicm 1300: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1301: sizeof *c->prompt_buffer);
1.1 nicm 1302: if (c->prompt_index == size) {
1.152 nicm 1303: for (idx = 0; idx < n; idx++) {
1304: ud = &c->prompt_buffer[c->prompt_index + idx];
1305: utf8_set(ud, bufdata[idx]);
1306: }
1.1 nicm 1307: c->prompt_index += n;
1.152 nicm 1308: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1309: } else {
1310: memmove(c->prompt_buffer + c->prompt_index + n,
1311: c->prompt_buffer + c->prompt_index,
1.152 nicm 1312: (size + 1 - c->prompt_index) *
1313: sizeof *c->prompt_buffer);
1314: for (idx = 0; idx < n; idx++) {
1315: ud = &c->prompt_buffer[c->prompt_index + idx];
1316: utf8_set(ud, bufdata[idx]);
1317: }
1.1 nicm 1318: c->prompt_index += n;
1319: }
1.158 nicm 1320: goto changed;
1.155 nicm 1321: case '\024': /* C-t */
1.30 nicm 1322: idx = c->prompt_index;
1323: if (idx < size)
1324: idx++;
1325: if (idx >= 2) {
1.152 nicm 1326: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1327: utf8_copy(&c->prompt_buffer[idx - 2],
1328: &c->prompt_buffer[idx - 1]);
1329: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1330: c->prompt_index = idx;
1.158 nicm 1331: goto changed;
1.30 nicm 1332: }
1.1 nicm 1333: break;
1.155 nicm 1334: case '\r':
1335: case '\n':
1.152 nicm 1336: s = utf8_tocstr(c->prompt_buffer);
1337: if (*s != '\0')
1338: status_prompt_add_history(s);
1.166 nicm 1339: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1340: status_prompt_clear(c);
1.152 nicm 1341: free(s);
1.25 nicm 1342: break;
1.155 nicm 1343: case '\033': /* Escape */
1344: case '\003': /* C-c */
1.174 nicm 1345: case '\007': /* C-g */
1.166 nicm 1346: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1347: status_prompt_clear(c);
1348: break;
1.158 nicm 1349: case '\022': /* C-r */
1350: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1351: prefix = '-';
1352: goto changed;
1353: }
1354: break;
1355: case '\023': /* C-s */
1356: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1357: prefix = '+';
1358: goto changed;
1359: }
1360: break;
1361: default:
1362: goto append_key;
1.154 nicm 1363: }
1.152 nicm 1364:
1.158 nicm 1365: c->flags |= CLIENT_STATUS;
1366: return (0);
1367:
1.154 nicm 1368: append_key:
1369: if (key <= 0x1f || key >= KEYC_BASE)
1370: return (0);
1371: if (utf8_split(key, &tmp) != UTF8_DONE)
1372: return (0);
1.1 nicm 1373:
1.154 nicm 1374: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1375: sizeof *c->prompt_buffer);
1.1 nicm 1376:
1.154 nicm 1377: if (c->prompt_index == size) {
1378: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1379: c->prompt_index++;
1380: c->prompt_buffer[c->prompt_index].size = 0;
1381: } else {
1382: memmove(c->prompt_buffer + c->prompt_index + 1,
1383: c->prompt_buffer + c->prompt_index,
1384: (size + 1 - c->prompt_index) *
1385: sizeof *c->prompt_buffer);
1386: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1387: c->prompt_index++;
1388: }
1.1 nicm 1389:
1.154 nicm 1390: if (c->prompt_flags & PROMPT_SINGLE) {
1391: s = utf8_tocstr(c->prompt_buffer);
1392: if (strlen(s) != 1)
1393: status_prompt_clear(c);
1.166 nicm 1394: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1395: status_prompt_clear(c);
1396: free(s);
1.1 nicm 1397: }
1.154 nicm 1398:
1.158 nicm 1399: changed:
1.154 nicm 1400: c->flags |= CLIENT_STATUS;
1.158 nicm 1401: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1402: s = utf8_tocstr(c->prompt_buffer);
1403: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1404: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1405: free(cp);
1406: free(s);
1407: }
1.154 nicm 1408: return (0);
1.1 nicm 1409: }
1410:
1.65 nicm 1411: /* Get previous line from the history. */
1.151 nicm 1412: static const char *
1.65 nicm 1413: status_prompt_up_history(u_int *idx)
1414: {
1415: /*
1.128 nicm 1416: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1417: * empty.
1.65 nicm 1418: */
1419:
1.128 nicm 1420: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1421: return (NULL);
1422: (*idx)++;
1.128 nicm 1423: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1424: }
1425:
1426: /* Get next line from the history. */
1.151 nicm 1427: static const char *
1.65 nicm 1428: status_prompt_down_history(u_int *idx)
1429: {
1.128 nicm 1430: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1431: return ("");
1432: (*idx)--;
1433: if (*idx == 0)
1434: return ("");
1.128 nicm 1435: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1436: }
1437:
1.1 nicm 1438: /* Add line to the history. */
1.151 nicm 1439: static void
1.65 nicm 1440: status_prompt_add_history(const char *line)
1.1 nicm 1441: {
1.128 nicm 1442: size_t size;
1.65 nicm 1443:
1.128 nicm 1444: if (status_prompt_hsize > 0 &&
1445: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1446: return;
1447:
1.128 nicm 1448: if (status_prompt_hsize == PROMPT_HISTORY) {
1449: free(status_prompt_hlist[0]);
1.1 nicm 1450:
1.128 nicm 1451: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1452: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1453:
1.128 nicm 1454: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1455: return;
1456: }
1.1 nicm 1457:
1.128 nicm 1458: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1459: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1460: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1461: }
1462:
1463: /* Build completion list. */
1.151 nicm 1464: static const char **
1.128 nicm 1465: status_prompt_complete_list(u_int *size, const char *s)
1466: {
1467: const char **list = NULL, **layout;
1468: const struct cmd_entry **cmdent;
1469: const struct options_table_entry *oe;
1470: const char *layouts[] = {
1471: "even-horizontal", "even-vertical", "main-horizontal",
1472: "main-vertical", "tiled", NULL
1473: };
1.1 nicm 1474:
1.128 nicm 1475: *size = 0;
1.1 nicm 1476: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1477: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1478: list = xreallocarray(list, (*size) + 1, sizeof *list);
1479: list[(*size)++] = (*cmdent)->name;
1480: }
1.56 nicm 1481: }
1.142 nicm 1482: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1483: if (strncmp(oe->name, s, strlen(s)) == 0) {
1484: list = xreallocarray(list, (*size) + 1, sizeof *list);
1485: list[(*size)++] = oe->name;
1486: }
1487: }
1488: for (layout = layouts; *layout != NULL; layout++) {
1489: if (strncmp(*layout, s, strlen(s)) == 0) {
1490: list = xreallocarray(list, (*size) + 1, sizeof *list);
1491: list[(*size)++] = *layout;
1492: }
1493: }
1494: return (list);
1495: }
1496:
1497: /* Find longest prefix. */
1.151 nicm 1498: static char *
1.128 nicm 1499: status_prompt_complete_prefix(const char **list, u_int size)
1500: {
1501: char *out;
1502: u_int i;
1503: size_t j;
1504:
1505: out = xstrdup(list[0]);
1506: for (i = 1; i < size; i++) {
1507: j = strlen(list[i]);
1508: if (j > strlen(out))
1509: j = strlen(out);
1510: for (; j > 0; j--) {
1511: if (out[j - 1] != list[i][j - 1])
1512: out[j - 1] = '\0';
1513: }
1.1 nicm 1514: }
1.128 nicm 1515: return (out);
1516: }
1.1 nicm 1517:
1.128 nicm 1518: /* Complete word. */
1.151 nicm 1519: static char *
1.152 nicm 1520: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1521: {
1522: const char **list = NULL, *colon;
1523: u_int size = 0, i;
1524: struct session *s_loop;
1525: struct winlink *wl;
1526: struct window *w;
1527: char *copy, *out, *tmp;
1528:
1529: if (*s == '\0')
1.1 nicm 1530: return (NULL);
1.128 nicm 1531: out = NULL;
1532:
1533: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1534: list = status_prompt_complete_list(&size, s);
1535: if (size == 0)
1536: out = NULL;
1537: else if (size == 1)
1538: xasprintf(&out, "%s ", list[0]);
1539: else
1540: out = status_prompt_complete_prefix(list, size);
1541: free(list);
1542: return (out);
1543: }
1544: copy = xstrdup(s);
1545:
1546: colon = ":";
1547: if (copy[strlen(copy) - 1] == ':')
1548: copy[strlen(copy) - 1] = '\0';
1549: else
1550: colon = "";
1551: s = copy + 2;
1.1 nicm 1552:
1.128 nicm 1553: RB_FOREACH(s_loop, sessions, &sessions) {
1554: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1555: list = xreallocarray(list, size + 2, sizeof *list);
1556: list[size++] = s_loop->name;
1557: }
1558: }
1559: if (size == 1) {
1560: out = xstrdup(list[0]);
1561: if (session_find(list[0]) != NULL)
1562: colon = ":";
1563: } else if (size != 0)
1564: out = status_prompt_complete_prefix(list, size);
1565: if (out != NULL) {
1566: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1567: free(out);
1.128 nicm 1568: out = tmp;
1569: goto found;
1570: }
1571:
1572: colon = "";
1573: if (*s == ':') {
1.152 nicm 1574: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1575: xasprintf(&tmp, ":%s", wl->window->name);
1576: if (strncmp(tmp, s, strlen(s)) == 0){
1577: list = xreallocarray(list, size + 1,
1578: sizeof *list);
1579: list[size++] = tmp;
1580: continue;
1581: }
1582: free(tmp);
1.1 nicm 1583:
1.128 nicm 1584: xasprintf(&tmp, ":%d", wl->idx);
1585: if (strncmp(tmp, s, strlen(s)) == 0) {
1586: list = xreallocarray(list, size + 1,
1587: sizeof *list);
1588: list[size++] = tmp;
1589: continue;
1590: }
1591: free(tmp);
1592: }
1593: } else {
1594: RB_FOREACH(s_loop, sessions, &sessions) {
1595: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1596: w = wl->window;
1597:
1598: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1599: if (strncmp(tmp, s, strlen(s)) == 0) {
1600: list = xreallocarray(list, size + 1,
1601: sizeof *list);
1602: list[size++] = tmp;
1603: continue;
1604: }
1605: free(tmp);
1606:
1607: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1608: if (strncmp(tmp, s, strlen(s)) == 0) {
1609: list = xreallocarray(list, size + 1,
1610: sizeof *list);
1611: list[size++] = tmp;
1612: continue;
1613: }
1614: free(tmp);
1615: }
1.1 nicm 1616: }
1617: }
1.128 nicm 1618: if (size == 1) {
1619: out = xstrdup(list[0]);
1620: colon = " ";
1621: } else if (size != 0)
1622: out = status_prompt_complete_prefix(list, size);
1623: if (out != NULL) {
1624: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1625: out = tmp;
1626: }
1627:
1628: for (i = 0; i < size; i++)
1629: free((void *)list[i]);
1630:
1631: found:
1632: free(copy);
1633: free(list);
1634: return (out);
1.1 nicm 1635: }
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