Annotation of src/usr.bin/tmux/status.c, Revision 1.159
1.159 ! nicm 1: /* $OpenBSD: status.c,v 1.158 2017/01/06 11:57:03 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:
1.87 nicm 195: /* Get screen line of status line. -1 means off. */
196: int
197: status_at_line(struct client *c)
198: {
199: struct session *s = c->session;
200:
1.137 nicm 201: if (!options_get_number(s->options, "status"))
1.87 nicm 202: return (-1);
203:
1.137 nicm 204: if (options_get_number(s->options, "status-position") == 0)
1.87 nicm 205: return (0);
206: return (c->tty.sy - 1);
1.71 nicm 207: }
208:
1.48 nicm 209: /* Retrieve options for left string. */
1.151 nicm 210: static char *
1.139 nicm 211: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
212: size_t *size)
1.48 nicm 213: {
214: struct session *s = c->session;
1.120 nicm 215: const char *template;
1.48 nicm 216: char *left;
217: size_t leftlen;
218:
1.137 nicm 219: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 220:
1.137 nicm 221: template = options_get_string(s->options, "status-left");
1.123 nicm 222: left = status_replace(c, NULL, template, t);
1.48 nicm 223:
1.137 nicm 224: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 225: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 226: if (leftlen < *size)
227: *size = leftlen;
228: return (left);
229: }
230:
231: /* Retrieve options for right string. */
1.151 nicm 232: static char *
1.139 nicm 233: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
234: size_t *size)
1.48 nicm 235: {
236: struct session *s = c->session;
1.120 nicm 237: const char *template;
1.48 nicm 238: char *right;
239: size_t rightlen;
240:
1.137 nicm 241: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 242:
1.137 nicm 243: template = options_get_string(s->options, "status-right");
1.123 nicm 244: right = status_replace(c, NULL, template, t);
1.48 nicm 245:
1.137 nicm 246: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 247: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 248: if (rightlen < *size)
249: *size = rightlen;
250: return (right);
251: }
252:
1.125 nicm 253: /* Get window at window list position. */
254: struct window *
255: status_get_window_at(struct client *c, u_int x)
1.73 nicm 256: {
257: struct session *s = c->session;
258: struct winlink *wl;
1.115 nicm 259: struct options *oo;
1.149 nicm 260: const char *sep;
261: size_t seplen;
1.73 nicm 262:
1.88 nicm 263: x += c->wlmouse;
1.73 nicm 264: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 265: oo = wl->window->options;
1.149 nicm 266:
267: sep = options_get_string(oo, "window-status-separator");
268: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 269:
1.125 nicm 270: if (x < wl->status_width)
271: return (wl->window);
1.149 nicm 272: x -= wl->status_width + seplen;
1.73 nicm 273: }
1.125 nicm 274: return (NULL);
1.73 nicm 275: }
276:
1.1 nicm 277: /* Draw status for client on the last lines of given context. */
278: int
279: status_redraw(struct client *c)
280: {
1.159 ! nicm 281: struct screen_write_ctx ctx;
! 282: struct session *s = c->session;
! 283: struct winlink *wl;
! 284: struct screen old_status, window_list;
! 285: struct grid_cell stdgc, lgc, rgc, gc;
! 286: struct options *oo;
! 287: time_t t;
! 288: char *left, *right;
! 289: const char *sep;
! 290: u_int offset, needed;
! 291: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
! 292: size_t llen, rlen, seplen;
! 293: int larrow, rarrow;
1.1 nicm 294:
1.49 nicm 295: /* No status line? */
1.137 nicm 296: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 297: return (1);
1.48 nicm 298: left = right = NULL;
1.7 nicm 299: larrow = rarrow = 0;
1.1 nicm 300:
1.133 nicm 301: /* Store current time. */
302: t = time(NULL);
1.48 nicm 303:
304: /* Set up default colour. */
1.137 nicm 305: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 306:
1.48 nicm 307: /* Create the target screen. */
308: memcpy(&old_status, &c->status, sizeof old_status);
309: screen_init(&c->status, c->tty.sx, 1, 0);
310: screen_write_start(&ctx, NULL, &c->status);
311: for (offset = 0; offset < c->tty.sx; offset++)
312: screen_write_putc(&ctx, &stdgc, ' ');
313: screen_write_stop(&ctx);
314:
315: /* If the height is one line, blank status line. */
316: if (c->tty.sy <= 1)
317: goto out;
1.1 nicm 318:
1.48 nicm 319: /* Work out left and right strings. */
320: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 321: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 322: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 323: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 324:
325: /*
1.48 nicm 326: * Figure out how much space we have for the window list. If there
327: * isn't enough space, just show a blank status line.
1.1 nicm 328: */
1.55 nicm 329: needed = 0;
1.1 nicm 330: if (llen != 0)
1.118 nicm 331: needed += llen;
1.1 nicm 332: if (rlen != 0)
1.118 nicm 333: needed += rlen;
1.48 nicm 334: if (c->tty.sx == 0 || c->tty.sx <= needed)
335: goto out;
336: wlavailable = c->tty.sx - needed;
1.1 nicm 337:
1.48 nicm 338: /* Calculate the total size needed for the window list. */
339: wlstart = wloffset = wlwidth = 0;
1.1 nicm 340: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 341: free(wl->status_text);
1.48 nicm 342: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
343: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 344: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 345:
1.1 nicm 346: if (wl == s->curw)
1.48 nicm 347: wloffset = wlwidth;
1.91 nicm 348:
1.137 nicm 349: oo = wl->window->options;
1.91 nicm 350: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 351: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 352: wlwidth += wl->status_width + seplen;
1.48 nicm 353: }
354:
355: /* Create a new screen for the window list. */
356: screen_init(&window_list, wlwidth, 1, 0);
357:
358: /* And draw the window list into it. */
359: screen_write_start(&ctx, NULL, &window_list);
360: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 361: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
362: wl->status_text);
1.91 nicm 363:
1.137 nicm 364: oo = wl->window->options;
1.91 nicm 365: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 366: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 367: }
1.48 nicm 368: screen_write_stop(&ctx);
1.1 nicm 369:
1.48 nicm 370: /* If there is enough space for the total width, skip to draw now. */
371: if (wlwidth <= wlavailable)
1.1 nicm 372: goto draw;
373:
374: /* Find size of current window text. */
1.48 nicm 375: wlsize = s->curw->status_width;
1.1 nicm 376:
377: /*
1.48 nicm 378: * If the current window is already on screen, good to draw from the
1.1 nicm 379: * start and just leave off the end.
380: */
1.48 nicm 381: if (wloffset + wlsize < wlavailable) {
382: if (wlavailable > 0) {
383: rarrow = 1;
384: wlavailable--;
385: }
386: wlwidth = wlavailable;
387: } else {
388: /*
389: * Work out how many characters we need to omit from the
390: * start. There are wlavailable characters to fill, and
391: * wloffset + wlsize must be the last. So, the start character
392: * is wloffset + wlsize - wlavailable.
393: */
394: if (wlavailable > 0) {
395: larrow = 1;
396: wlavailable--;
397: }
1.55 nicm 398:
1.48 nicm 399: wlstart = wloffset + wlsize - wlavailable;
400: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 401: rarrow = 1;
1.48 nicm 402: wlstart++;
403: wlavailable--;
1.1 nicm 404: }
1.48 nicm 405: wlwidth = wlavailable;
406: }
1.1 nicm 407:
1.48 nicm 408: /* Bail if anything is now too small too. */
409: if (wlwidth == 0 || wlavailable == 0) {
410: screen_free(&window_list);
411: goto out;
1.1 nicm 412: }
413:
414: /*
1.48 nicm 415: * Now the start position is known, work out the state of the left and
416: * right arrows.
1.1 nicm 417: */
418: offset = 0;
419: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 420: if (wl->flags & WINLINK_ALERTFLAGS &&
421: larrow == 1 && offset < wlstart)
422: larrow = -1;
1.1 nicm 423:
1.48 nicm 424: offset += wl->status_width;
1.1 nicm 425:
1.63 nicm 426: if (wl->flags & WINLINK_ALERTFLAGS &&
427: rarrow == 1 && offset > wlstart + wlwidth)
428: rarrow = -1;
1.1 nicm 429: }
430:
1.48 nicm 431: draw:
1.55 nicm 432: /* Begin drawing. */
1.48 nicm 433: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 434:
1.48 nicm 435: /* Draw the left string and arrow. */
436: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 437: if (llen != 0)
1.139 nicm 438: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 439: if (larrow != 0) {
440: memcpy(&gc, &stdgc, sizeof gc);
441: if (larrow == -1)
442: gc.attr ^= GRID_ATTR_REVERSE;
443: screen_write_putc(&ctx, &gc, '<');
444: }
1.48 nicm 445:
446: /* Draw the right string and arrow. */
1.1 nicm 447: if (rarrow != 0) {
1.118 nicm 448: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 449: memcpy(&gc, &stdgc, sizeof gc);
450: if (rarrow == -1)
451: gc.attr ^= GRID_ATTR_REVERSE;
452: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 453: } else
1.118 nicm 454: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
455: if (rlen != 0)
1.139 nicm 456: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 457:
1.48 nicm 458: /* Figure out the offset for the window list. */
1.58 nicm 459: if (llen != 0)
1.118 nicm 460: wloffset = llen;
1.58 nicm 461: else
462: wloffset = 0;
1.48 nicm 463: if (wlwidth < wlavailable) {
1.137 nicm 464: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 465: case 1: /* centred */
1.58 nicm 466: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 467: break;
468: case 2: /* right */
1.58 nicm 469: wloffset += (wlavailable - wlwidth);
1.48 nicm 470: break;
471: }
472: }
473: if (larrow != 0)
474: wloffset++;
475:
476: /* Copy the window list. */
1.88 nicm 477: c->wlmouse = -wloffset + wlstart;
1.48 nicm 478: screen_write_cursormove(&ctx, wloffset, 0);
1.157 nicm 479: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1, NULL,
480: NULL);
1.55 nicm 481: screen_free(&window_list);
1.1 nicm 482:
1.48 nicm 483: screen_write_stop(&ctx);
1.1 nicm 484:
485: out:
1.94 nicm 486: free(left);
487: free(right);
1.1 nicm 488:
489: if (grid_compare(c->status.grid, old_status.grid) == 0) {
490: screen_free(&old_status);
491: return (0);
492: }
493: screen_free(&old_status);
494: return (1);
495: }
496:
1.46 nicm 497: /* Replace special sequences in fmt. */
1.151 nicm 498: static char *
1.123 nicm 499: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 500: {
1.96 nicm 501: struct format_tree *ft;
1.129 nicm 502: char *expanded;
1.47 nicm 503:
1.93 nicm 504: if (fmt == NULL)
505: return (xstrdup(""));
506:
1.135 nicm 507: if (c->flags & CLIENT_STATUSFORCE)
1.145 nicm 508: ft = format_create(NULL, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 509: else
1.145 nicm 510: ft = format_create(NULL, FORMAT_STATUS);
1.129 nicm 511: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 512:
1.129 nicm 513: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 514:
1.99 nicm 515: format_free(ft);
516: return (expanded);
1.1 nicm 517: }
518:
1.46 nicm 519: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 520: static char *
1.120 nicm 521: status_print(struct client *c, struct winlink *wl, time_t t,
522: struct grid_cell *gc)
1.1 nicm 523: {
1.137 nicm 524: struct options *oo = wl->window->options;
1.47 nicm 525: struct session *s = c->session;
526: const char *fmt;
527: char *text;
1.1 nicm 528:
1.108 nicm 529: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 530: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 531: if (wl == s->curw) {
1.108 nicm 532: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 533: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 534: }
1.108 nicm 535: if (wl == TAILQ_FIRST(&s->lastw))
536: style_apply_update(gc, oo, "window-status-last-style");
537:
538: if (wl->flags & WINLINK_BELL)
539: style_apply_update(gc, oo, "window-status-bell-style");
540: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
541: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 542:
1.123 nicm 543: text = status_replace(c, wl, fmt, t);
1.1 nicm 544: return (text);
545: }
546:
1.46 nicm 547: /* Set a status line message. */
1.117 nicm 548: void
1.10 nicm 549: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 550: {
1.44 nicm 551: struct timeval tv;
1.127 nicm 552: struct message_entry *msg, *msg1;
1.44 nicm 553: va_list ap;
554: int delay;
1.147 nicm 555: u_int limit;
1.127 nicm 556:
1.137 nicm 557: limit = options_get_number(global_options, "message-limit");
1.1 nicm 558:
1.12 nicm 559: status_message_clear(c);
560:
1.28 nicm 561: va_start(ap, fmt);
562: xvasprintf(&c->message_string, fmt, ap);
563: va_end(ap);
564:
1.127 nicm 565: msg = xcalloc(1, sizeof *msg);
1.44 nicm 566: msg->msg_time = time(NULL);
1.127 nicm 567: msg->msg_num = c->message_next++;
1.44 nicm 568: msg->msg = xstrdup(c->message_string);
1.127 nicm 569: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 570:
1.127 nicm 571: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.147 nicm 572: if (msg->msg_num + limit >= c->message_next)
573: break;
1.127 nicm 574: free(msg->msg);
575: TAILQ_REMOVE(&c->message_log, msg, entry);
576: free(msg);
1.44 nicm 577: }
578:
1.137 nicm 579: delay = options_get_number(c->session->options, "display-time");
1.143 tim 580: if (delay > 0) {
581: tv.tv_sec = delay / 1000;
582: tv.tv_usec = (delay % 1000) * 1000L;
583:
584: if (event_initialized(&c->message_timer))
585: evtimer_del(&c->message_timer);
586: evtimer_set(&c->message_timer, status_message_callback, c);
587: evtimer_add(&c->message_timer, &tv);
588: }
1.1 nicm 589:
590: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
591: c->flags |= CLIENT_STATUS;
592: }
593:
1.46 nicm 594: /* Clear status line message. */
1.1 nicm 595: void
596: status_message_clear(struct client *c)
597: {
598: if (c->message_string == NULL)
599: return;
600:
1.94 nicm 601: free(c->message_string);
1.1 nicm 602: c->message_string = NULL;
603:
1.156 nicm 604: if (c->prompt_string == NULL)
605: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 606: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 607:
608: screen_reinit(&c->status);
1.42 nicm 609: }
610:
1.46 nicm 611: /* Clear status line message after timer expires. */
1.151 nicm 612: static void
1.141 nicm 613: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 614: {
615: struct client *c = data;
616:
617: status_message_clear(c);
1.1 nicm 618: }
619:
620: /* Draw client message on status line of present else on last line. */
621: int
622: status_message_redraw(struct client *c)
623: {
624: struct screen_write_ctx ctx;
625: struct session *s = c->session;
626: struct screen old_status;
627: size_t len;
628: struct grid_cell gc;
629:
630: if (c->tty.sx == 0 || c->tty.sy == 0)
631: return (0);
632: memcpy(&old_status, &c->status, sizeof old_status);
633: screen_init(&c->status, c->tty.sx, 1, 0);
634:
1.139 nicm 635: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 636: if (len > c->tty.sx)
637: len = c->tty.sx;
638:
1.137 nicm 639: style_apply(&gc, s->options, "message-style");
1.1 nicm 640:
641: screen_write_start(&ctx, NULL, &c->status);
642:
643: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 644: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 645: for (; len < c->tty.sx; len++)
646: screen_write_putc(&ctx, &gc, ' ');
647:
648: screen_write_stop(&ctx);
649:
650: if (grid_compare(c->status.grid, old_status.grid) == 0) {
651: screen_free(&old_status);
652: return (0);
653: }
654: screen_free(&old_status);
655: return (1);
656: }
657:
1.46 nicm 658: /* Enable status line prompt. */
1.1 nicm 659: void
1.76 nicm 660: status_prompt_set(struct client *c, const char *msg, const char *input,
1.158 nicm 661: int (*callbackfn)(void *, const char *, int), void (*freefn)(void *),
1.12 nicm 662: void *data, int flags)
1.1 nicm 663: {
1.122 nicm 664: struct format_tree *ft;
665: time_t t;
1.152 nicm 666: char *tmp;
1.122 nicm 667:
1.145 nicm 668: ft = format_create(NULL, 0);
1.122 nicm 669: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 670:
1.122 nicm 671: t = time(NULL);
1.152 nicm 672: tmp = format_expand_time(ft, input, t);
1.20 nicm 673:
1.12 nicm 674: status_message_clear(c);
675: status_prompt_clear(c);
676:
1.124 nicm 677: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 678:
1.152 nicm 679: c->prompt_buffer = utf8_fromcstr(tmp);
680: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 681:
1.12 nicm 682: c->prompt_callbackfn = callbackfn;
683: c->prompt_freefn = freefn;
1.1 nicm 684: c->prompt_data = data;
685:
686: c->prompt_hindex = 0;
687:
688: c->prompt_flags = flags;
1.155 nicm 689: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 690:
1.158 nicm 691: if (~flags & PROMPT_INCREMENTAL)
692: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.1 nicm 693: c->flags |= CLIENT_STATUS;
1.122 nicm 694:
1.152 nicm 695: free(tmp);
1.122 nicm 696: format_free(ft);
1.1 nicm 697: }
698:
1.46 nicm 699: /* Remove status line prompt. */
1.1 nicm 700: void
701: status_prompt_clear(struct client *c)
702: {
1.55 nicm 703: if (c->prompt_string == NULL)
1.1 nicm 704: return;
705:
1.12 nicm 706: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
707: c->prompt_freefn(c->prompt_data);
1.1 nicm 708:
1.94 nicm 709: free(c->prompt_string);
1.1 nicm 710: c->prompt_string = NULL;
711:
1.94 nicm 712: free(c->prompt_buffer);
1.1 nicm 713: c->prompt_buffer = NULL;
714:
715: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 716: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 717:
718: screen_reinit(&c->status);
1.27 nicm 719: }
720:
1.46 nicm 721: /* Update status line prompt with a new prompt string. */
1.27 nicm 722: void
1.76 nicm 723: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 724: {
1.122 nicm 725: struct format_tree *ft;
726: time_t t;
1.152 nicm 727: char *tmp;
1.122 nicm 728:
1.145 nicm 729: ft = format_create(NULL, 0);
1.122 nicm 730: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 731:
1.122 nicm 732: t = time(NULL);
1.152 nicm 733: tmp = format_expand_time(ft, input, t);
1.122 nicm 734:
1.94 nicm 735: free(c->prompt_string);
1.124 nicm 736: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 737:
1.94 nicm 738: free(c->prompt_buffer);
1.152 nicm 739: c->prompt_buffer = utf8_fromcstr(tmp);
740: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 741:
742: c->prompt_hindex = 0;
743:
744: c->flags |= CLIENT_STATUS;
1.122 nicm 745:
1.152 nicm 746: free(tmp);
1.122 nicm 747: format_free(ft);
1.1 nicm 748: }
749:
750: /* Draw client prompt on status line of present else on last line. */
751: int
752: status_prompt_redraw(struct client *c)
753: {
1.152 nicm 754: struct screen_write_ctx ctx;
755: struct session *s = c->session;
756: struct screen old_status;
757: u_int i, offset, left, start, pcursor, pwidth, width;
758: struct grid_cell gc, cursorgc;
1.1 nicm 759:
760: if (c->tty.sx == 0 || c->tty.sy == 0)
761: return (0);
762: memcpy(&old_status, &c->status, sizeof old_status);
763: screen_init(&c->status, c->tty.sx, 1, 0);
764:
1.155 nicm 765: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 766: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 767: else
1.137 nicm 768: style_apply(&gc, s->options, "message-style");
1.1 nicm 769:
1.152 nicm 770: memcpy(&cursorgc, &gc, sizeof cursorgc);
771: cursorgc.attr ^= GRID_ATTR_REVERSE;
772:
773: start = screen_write_strlen("%s", c->prompt_string);
774: if (start > c->tty.sx)
775: start = c->tty.sx;
776:
1.1 nicm 777: screen_write_start(&ctx, NULL, &c->status);
778: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 779: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
780: while (c->status.cx < screen_size_x(&c->status))
781: screen_write_putc(&ctx, &gc, ' ');
782: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 783:
1.152 nicm 784: left = c->tty.sx - start;
785: if (left == 0)
786: goto finished;
787:
788: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
789: pwidth = utf8_strwidth(c->prompt_buffer, -1);
790: if (pcursor >= left) {
791: /*
792: * The cursor would be outside the screen so start drawing
793: * with it on the right.
794: */
795: offset = (pcursor - left) + 1;
796: pwidth = left;
797: } else
798: offset = 0;
799: if (pwidth > left)
800: pwidth = left;
801:
802: width = 0;
803: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
804: if (width < offset) {
805: width += c->prompt_buffer[i].width;
806: continue;
1.1 nicm 807: }
1.152 nicm 808: if (width >= offset + pwidth)
809: break;
810: width += c->prompt_buffer[i].width;
811: if (width > offset + pwidth)
812: break;
1.1 nicm 813:
1.152 nicm 814: if (i != c->prompt_index) {
815: utf8_copy(&gc.data, &c->prompt_buffer[i]);
816: screen_write_cell(&ctx, &gc);
817: } else {
818: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
819: screen_write_cell(&ctx, &cursorgc);
820: }
1.1 nicm 821: }
1.152 nicm 822: if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i)
823: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 824:
1.152 nicm 825: finished:
1.1 nicm 826: screen_write_stop(&ctx);
1.51 nicm 827:
1.1 nicm 828: if (grid_compare(c->status.grid, old_status.grid) == 0) {
829: screen_free(&old_status);
830: return (0);
831: }
832: screen_free(&old_status);
833: return (1);
834: }
835:
1.152 nicm 836: /* Is this a separator? */
837: static int
838: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
839: {
840: if (ud->size != 1 || ud->width != 1)
841: return (0);
842: return (strchr(ws, *ud->data) != NULL);
843: }
844:
845: /* Is this a space? */
846: static int
847: status_prompt_space(const struct utf8_data *ud)
848: {
849: if (ud->size != 1 || ud->width != 1)
850: return (0);
851: return (*ud->data == ' ');
852: }
853:
1.155 nicm 854: /*
855: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
856: * as an emacs key; return 2 to append to the buffer.
857: */
858: static int
859: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
860: {
861: if (c->prompt_mode == PROMPT_ENTRY) {
862: switch (key) {
863: case '\003': /* C-c */
864: case '\010': /* C-h */
865: case '\011': /* Tab */
866: case '\025': /* C-u */
867: case '\027': /* C-w */
868: case '\n':
869: case '\r':
870: case KEYC_BSPACE:
871: case KEYC_DC:
872: case KEYC_DOWN:
873: case KEYC_END:
874: case KEYC_HOME:
875: case KEYC_LEFT:
876: case KEYC_RIGHT:
877: case KEYC_UP:
878: *new_key = key;
879: return (1);
880: case '\033': /* Escape */
881: c->prompt_mode = PROMPT_COMMAND;
882: c->flags |= CLIENT_STATUS;
883: return (0);
884: }
885: *new_key = key;
886: return (2);
887: }
888:
889: switch (key) {
890: case 'A':
891: case 'I':
892: case 'C':
893: case 's':
894: case 'a':
895: c->prompt_mode = PROMPT_ENTRY;
896: c->flags |= CLIENT_STATUS;
897: break; /* switch mode and... */
898: case 'S':
899: c->prompt_mode = PROMPT_ENTRY;
900: c->flags |= CLIENT_STATUS;
901: *new_key = '\025'; /* C-u */
902: return (1);
903: case 'i':
904: case '\033': /* Escape */
905: c->prompt_mode = PROMPT_ENTRY;
906: c->flags |= CLIENT_STATUS;
907: return (0);
908: }
909:
910: switch (key) {
911: case 'A':
912: case '$':
913: *new_key = KEYC_END;
914: return (1);
915: case 'I':
916: case '0':
917: case '^':
918: *new_key = KEYC_HOME;
919: return (1);
920: case 'C':
921: case 'D':
922: *new_key = '\013'; /* C-k */
923: return (1);
924: case KEYC_BSPACE:
925: case 'X':
926: *new_key = KEYC_BSPACE;
927: return (1);
928: case 'b':
929: case 'B':
930: *new_key = 'b'|KEYC_ESCAPE;
931: return (1);
932: case 'd':
933: *new_key = '\025';
934: return (1);
935: case 'e':
936: case 'E':
937: case 'w':
938: case 'W':
939: *new_key = 'f'|KEYC_ESCAPE;
940: return (1);
941: case 'p':
942: *new_key = '\031'; /* C-y */
943: return (1);
944: case 's':
945: case KEYC_DC:
946: case 'x':
947: *new_key = KEYC_DC;
948: return (1);
949: case KEYC_DOWN:
950: case 'j':
951: *new_key = KEYC_DOWN;
952: return (1);
953: case KEYC_LEFT:
954: case 'h':
955: *new_key = KEYC_LEFT;
956: return (1);
957: case 'a':
958: case KEYC_RIGHT:
959: case 'l':
960: *new_key = KEYC_RIGHT;
961: return (1);
962: case KEYC_UP:
963: case 'k':
964: *new_key = KEYC_UP;
965: return (1);
966: case '\010' /* C-h */:
967: case '\003' /* C-c */:
968: case '\n':
969: case '\r':
970: return (1);
971: }
972: return (0);
973: }
974:
1.1 nicm 975: /* Handle keys in prompt. */
1.154 nicm 976: int
1.138 nicm 977: status_prompt_key(struct client *c, key_code key)
1.1 nicm 978: {
1.152 nicm 979: struct options *oo = c->session->options;
1.1 nicm 980: struct paste_buffer *pb;
1.158 nicm 981: char *s, *cp, word[64], prefix = '=';
1.152 nicm 982: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 983: u_char ch;
1.152 nicm 984: size_t size, n, off, idx, bufsize, used;
985: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 986: int keys;
1.1 nicm 987:
1.152 nicm 988: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 989:
990: if (c->prompt_flags & PROMPT_NUMERIC) {
991: if (key >= '0' && key <= '9')
992: goto append_key;
993: s = utf8_tocstr(c->prompt_buffer);
1.158 nicm 994: c->prompt_callbackfn(c->prompt_data, s, 1);
1.154 nicm 995: status_prompt_clear(c);
996: free(s);
997: return (1);
998: }
999:
1.155 nicm 1000: keys = options_get_number(c->session->options, "status-keys");
1001: if (keys == MODEKEY_VI) {
1002: switch (status_prompt_translate_key(c, key, &key)) {
1003: case 1:
1004: goto process_key;
1005: case 2:
1006: goto append_key;
1007: default:
1008: return (0);
1009: }
1010: }
1011:
1012: process_key:
1013: switch (key) {
1014: case KEYC_LEFT:
1015: case '\002': /* C-b */
1.1 nicm 1016: if (c->prompt_index > 0) {
1017: c->prompt_index--;
1.158 nicm 1018: break;
1.1 nicm 1019: }
1020: break;
1.155 nicm 1021: case KEYC_RIGHT:
1022: case '\006': /* C-f */
1.1 nicm 1023: if (c->prompt_index < size) {
1024: c->prompt_index++;
1.158 nicm 1025: break;
1.1 nicm 1026: }
1027: break;
1.155 nicm 1028: case KEYC_HOME:
1029: case '\001': /* C-a */
1.1 nicm 1030: if (c->prompt_index != 0) {
1031: c->prompt_index = 0;
1.158 nicm 1032: break;
1.1 nicm 1033: }
1034: break;
1.155 nicm 1035: case KEYC_END:
1036: case '\005': /* C-e */
1.1 nicm 1037: if (c->prompt_index != size) {
1038: c->prompt_index = size;
1.158 nicm 1039: break;
1.1 nicm 1040: }
1041: break;
1.155 nicm 1042: case '\011': /* Tab */
1.152 nicm 1043: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1044: break;
1045:
1046: idx = c->prompt_index;
1047: if (idx != 0)
1048: idx--;
1049:
1050: /* Find the word we are in. */
1.152 nicm 1051: first = &c->prompt_buffer[idx];
1052: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1053: first--;
1.152 nicm 1054: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1055: first++;
1.152 nicm 1056: last = &c->prompt_buffer[idx];
1057: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1058: last++;
1.152 nicm 1059: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1060: last--;
1.152 nicm 1061: if (last->size != 0)
1.1 nicm 1062: last++;
1.152 nicm 1063: if (last <= first)
1064: break;
1065:
1066: used = 0;
1067: for (ud = first; ud < last; ud++) {
1068: if (used + ud->size >= sizeof word)
1069: break;
1070: memcpy(word + used, ud->data, ud->size);
1071: used += ud->size;
1072: }
1073: if (ud != last)
1.1 nicm 1074: break;
1.152 nicm 1075: word[used] = '\0';
1.1 nicm 1076:
1077: /* And try to complete it. */
1.152 nicm 1078: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1079: break;
1080:
1081: /* Trim out word. */
1082: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1083: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1084: size -= last - first;
1085:
1086: /* Insert the new word. */
1.55 nicm 1087: size += strlen(s);
1.1 nicm 1088: off = first - c->prompt_buffer;
1.152 nicm 1089: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1090: sizeof *c->prompt_buffer);
1.1 nicm 1091: first = c->prompt_buffer + off;
1.152 nicm 1092: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1093: for (idx = 0; idx < strlen(s); idx++)
1094: utf8_set(&first[idx], s[idx]);
1.1 nicm 1095:
1096: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1097: free(s);
1.1 nicm 1098:
1.158 nicm 1099: goto changed;
1.155 nicm 1100: case KEYC_BSPACE:
1101: case '\010': /* C-h */
1.1 nicm 1102: if (c->prompt_index != 0) {
1103: if (c->prompt_index == size)
1.152 nicm 1104: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1105: else {
1106: memmove(c->prompt_buffer + c->prompt_index - 1,
1107: c->prompt_buffer + c->prompt_index,
1.152 nicm 1108: (size + 1 - c->prompt_index) *
1109: sizeof *c->prompt_buffer);
1.1 nicm 1110: c->prompt_index--;
1111: }
1.158 nicm 1112: goto changed;
1.1 nicm 1113: }
1114: break;
1.155 nicm 1115: case KEYC_DC:
1116: case '\004': /* C-d */
1.1 nicm 1117: if (c->prompt_index != size) {
1118: memmove(c->prompt_buffer + c->prompt_index,
1119: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1120: (size + 1 - c->prompt_index) *
1121: sizeof *c->prompt_buffer);
1.158 nicm 1122: goto changed;
1.18 nicm 1123: }
1.26 nicm 1124: break;
1.155 nicm 1125: case '\025': /* C-u */
1.152 nicm 1126: c->prompt_buffer[0].size = 0;
1.26 nicm 1127: c->prompt_index = 0;
1.158 nicm 1128: goto changed;
1.155 nicm 1129: case '\013': /* C-k */
1.18 nicm 1130: if (c->prompt_index < size) {
1.152 nicm 1131: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1132: goto changed;
1.1 nicm 1133: }
1134: break;
1.155 nicm 1135: case '\027': /* C-w */
1.152 nicm 1136: ws = options_get_string(oo, "word-separators");
1.81 nicm 1137: idx = c->prompt_index;
1138:
1139: /* Find a non-separator. */
1140: while (idx != 0) {
1141: idx--;
1.152 nicm 1142: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1143: break;
1144: }
1145:
1146: /* Find the separator at the beginning of the word. */
1147: while (idx != 0) {
1148: idx--;
1.152 nicm 1149: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1150: /* Go back to the word. */
1151: idx++;
1152: break;
1153: }
1154: }
1155:
1156: memmove(c->prompt_buffer + idx,
1157: c->prompt_buffer + c->prompt_index,
1.152 nicm 1158: (size + 1 - c->prompt_index) *
1159: sizeof *c->prompt_buffer);
1.81 nicm 1160: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1161: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1162: c->prompt_index = idx;
1.152 nicm 1163:
1.158 nicm 1164: goto changed;
1.155 nicm 1165: case 'f'|KEYC_ESCAPE:
1166: ws = options_get_string(oo, "word-separators");
1.81 nicm 1167:
1168: /* Find a word. */
1169: while (c->prompt_index != size) {
1.152 nicm 1170: idx = ++c->prompt_index;
1171: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1172: break;
1173: }
1174:
1175: /* Find the separator at the end of the word. */
1176: while (c->prompt_index != size) {
1.152 nicm 1177: idx = ++c->prompt_index;
1178: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1179: break;
1180: }
1.106 nicm 1181:
1182: /* Back up to the end-of-word like vi. */
1183: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1184: c->prompt_index != 0)
1185: c->prompt_index--;
1.81 nicm 1186:
1.158 nicm 1187: goto changed;
1.155 nicm 1188: case 'b'|KEYC_ESCAPE:
1189: ws = options_get_string(oo, "word-separators");
1.81 nicm 1190:
1191: /* Find a non-separator. */
1192: while (c->prompt_index != 0) {
1.152 nicm 1193: idx = --c->prompt_index;
1194: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1195: break;
1196: }
1197:
1198: /* Find the separator at the beginning of the word. */
1199: while (c->prompt_index != 0) {
1.152 nicm 1200: idx = --c->prompt_index;
1201: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1202: /* Go back to the word. */
1203: c->prompt_index++;
1204: break;
1205: }
1206: }
1.158 nicm 1207: goto changed;
1.155 nicm 1208: case KEYC_UP:
1209: case '\020': /* C-p */
1.66 nicm 1210: histstr = status_prompt_up_history(&c->prompt_hindex);
1211: if (histstr == NULL)
1.1 nicm 1212: break;
1.94 nicm 1213: free(c->prompt_buffer);
1.152 nicm 1214: c->prompt_buffer = utf8_fromcstr(histstr);
1215: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1216: goto changed;
1.155 nicm 1217: case KEYC_DOWN:
1218: case '\016': /* C-n */
1.66 nicm 1219: histstr = status_prompt_down_history(&c->prompt_hindex);
1220: if (histstr == NULL)
1.65 nicm 1221: break;
1.94 nicm 1222: free(c->prompt_buffer);
1.152 nicm 1223: c->prompt_buffer = utf8_fromcstr(histstr);
1224: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1225: goto changed;
1.155 nicm 1226: case '\031': /* C-y */
1.134 nicm 1227: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1228: break;
1.134 nicm 1229: bufdata = paste_buffer_data(pb, &bufsize);
1230: for (n = 0; n < bufsize; n++) {
1231: ch = (u_char)bufdata[n];
1.152 nicm 1232: if (ch < 32 || ch >= 127)
1.32 nicm 1233: break;
1234: }
1.1 nicm 1235:
1.152 nicm 1236: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1237: sizeof *c->prompt_buffer);
1.1 nicm 1238: if (c->prompt_index == size) {
1.152 nicm 1239: for (idx = 0; idx < n; idx++) {
1240: ud = &c->prompt_buffer[c->prompt_index + idx];
1241: utf8_set(ud, bufdata[idx]);
1242: }
1.1 nicm 1243: c->prompt_index += n;
1.152 nicm 1244: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1245: } else {
1246: memmove(c->prompt_buffer + c->prompt_index + n,
1247: c->prompt_buffer + c->prompt_index,
1.152 nicm 1248: (size + 1 - c->prompt_index) *
1249: sizeof *c->prompt_buffer);
1250: for (idx = 0; idx < n; idx++) {
1251: ud = &c->prompt_buffer[c->prompt_index + idx];
1252: utf8_set(ud, bufdata[idx]);
1253: }
1.1 nicm 1254: c->prompt_index += n;
1255: }
1.158 nicm 1256: goto changed;
1.155 nicm 1257: case '\024': /* C-t */
1.30 nicm 1258: idx = c->prompt_index;
1259: if (idx < size)
1260: idx++;
1261: if (idx >= 2) {
1.152 nicm 1262: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1263: utf8_copy(&c->prompt_buffer[idx - 2],
1264: &c->prompt_buffer[idx - 1]);
1265: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1266: c->prompt_index = idx;
1.158 nicm 1267: goto changed;
1.30 nicm 1268: }
1.1 nicm 1269: break;
1.155 nicm 1270: case '\r':
1271: case '\n':
1.152 nicm 1272: s = utf8_tocstr(c->prompt_buffer);
1273: if (*s != '\0')
1274: status_prompt_add_history(s);
1.158 nicm 1275: if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0)
1.25 nicm 1276: status_prompt_clear(c);
1.152 nicm 1277: free(s);
1.25 nicm 1278: break;
1.155 nicm 1279: case '\033': /* Escape */
1280: case '\003': /* C-c */
1.158 nicm 1281: if (c->prompt_callbackfn(c->prompt_data, NULL, 1) == 0)
1.1 nicm 1282: status_prompt_clear(c);
1283: break;
1.158 nicm 1284: case '\022': /* C-r */
1285: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1286: prefix = '-';
1287: goto changed;
1288: }
1289: break;
1290: case '\023': /* C-s */
1291: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1292: prefix = '+';
1293: goto changed;
1294: }
1295: break;
1296: default:
1297: goto append_key;
1.154 nicm 1298: }
1.152 nicm 1299:
1.158 nicm 1300: c->flags |= CLIENT_STATUS;
1301: return (0);
1302:
1.154 nicm 1303: append_key:
1304: if (key <= 0x1f || key >= KEYC_BASE)
1305: return (0);
1306: if (utf8_split(key, &tmp) != UTF8_DONE)
1307: return (0);
1.1 nicm 1308:
1.154 nicm 1309: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1310: sizeof *c->prompt_buffer);
1.1 nicm 1311:
1.154 nicm 1312: if (c->prompt_index == size) {
1313: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1314: c->prompt_index++;
1315: c->prompt_buffer[c->prompt_index].size = 0;
1316: } else {
1317: memmove(c->prompt_buffer + c->prompt_index + 1,
1318: c->prompt_buffer + c->prompt_index,
1319: (size + 1 - c->prompt_index) *
1320: sizeof *c->prompt_buffer);
1321: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1322: c->prompt_index++;
1323: }
1.1 nicm 1324:
1.154 nicm 1325: if (c->prompt_flags & PROMPT_SINGLE) {
1326: s = utf8_tocstr(c->prompt_buffer);
1327: if (strlen(s) != 1)
1328: status_prompt_clear(c);
1.158 nicm 1329: else if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0)
1.154 nicm 1330: status_prompt_clear(c);
1331: free(s);
1.1 nicm 1332: }
1.154 nicm 1333:
1.158 nicm 1334: changed:
1.154 nicm 1335: c->flags |= CLIENT_STATUS;
1.158 nicm 1336: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1337: s = utf8_tocstr(c->prompt_buffer);
1338: xasprintf(&cp, "%c%s", prefix, s);
1339: c->prompt_callbackfn(c->prompt_data, cp, 0);
1340: free(cp);
1341: free(s);
1342: }
1.154 nicm 1343: return (0);
1.1 nicm 1344: }
1345:
1.65 nicm 1346: /* Get previous line from the history. */
1.151 nicm 1347: static const char *
1.65 nicm 1348: status_prompt_up_history(u_int *idx)
1349: {
1350: /*
1.128 nicm 1351: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1352: * empty.
1.65 nicm 1353: */
1354:
1.128 nicm 1355: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1356: return (NULL);
1357: (*idx)++;
1.128 nicm 1358: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1359: }
1360:
1361: /* Get next line from the history. */
1.151 nicm 1362: static const char *
1.65 nicm 1363: status_prompt_down_history(u_int *idx)
1364: {
1.128 nicm 1365: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1366: return ("");
1367: (*idx)--;
1368: if (*idx == 0)
1369: return ("");
1.128 nicm 1370: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1371: }
1372:
1.1 nicm 1373: /* Add line to the history. */
1.151 nicm 1374: static void
1.65 nicm 1375: status_prompt_add_history(const char *line)
1.1 nicm 1376: {
1.128 nicm 1377: size_t size;
1.65 nicm 1378:
1.128 nicm 1379: if (status_prompt_hsize > 0 &&
1380: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1381: return;
1382:
1.128 nicm 1383: if (status_prompt_hsize == PROMPT_HISTORY) {
1384: free(status_prompt_hlist[0]);
1.1 nicm 1385:
1.128 nicm 1386: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1387: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1388:
1.128 nicm 1389: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1390: return;
1391: }
1.1 nicm 1392:
1.128 nicm 1393: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1394: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1395: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1396: }
1397:
1398: /* Build completion list. */
1.151 nicm 1399: static const char **
1.128 nicm 1400: status_prompt_complete_list(u_int *size, const char *s)
1401: {
1402: const char **list = NULL, **layout;
1403: const struct cmd_entry **cmdent;
1404: const struct options_table_entry *oe;
1405: const char *layouts[] = {
1406: "even-horizontal", "even-vertical", "main-horizontal",
1407: "main-vertical", "tiled", NULL
1408: };
1.1 nicm 1409:
1.128 nicm 1410: *size = 0;
1.1 nicm 1411: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1412: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1413: list = xreallocarray(list, (*size) + 1, sizeof *list);
1414: list[(*size)++] = (*cmdent)->name;
1415: }
1.56 nicm 1416: }
1.142 nicm 1417: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1418: if (strncmp(oe->name, s, strlen(s)) == 0) {
1419: list = xreallocarray(list, (*size) + 1, sizeof *list);
1420: list[(*size)++] = oe->name;
1421: }
1422: }
1423: for (layout = layouts; *layout != NULL; layout++) {
1424: if (strncmp(*layout, s, strlen(s)) == 0) {
1425: list = xreallocarray(list, (*size) + 1, sizeof *list);
1426: list[(*size)++] = *layout;
1427: }
1428: }
1429: return (list);
1430: }
1431:
1432: /* Find longest prefix. */
1.151 nicm 1433: static char *
1.128 nicm 1434: status_prompt_complete_prefix(const char **list, u_int size)
1435: {
1436: char *out;
1437: u_int i;
1438: size_t j;
1439:
1440: out = xstrdup(list[0]);
1441: for (i = 1; i < size; i++) {
1442: j = strlen(list[i]);
1443: if (j > strlen(out))
1444: j = strlen(out);
1445: for (; j > 0; j--) {
1446: if (out[j - 1] != list[i][j - 1])
1447: out[j - 1] = '\0';
1448: }
1.1 nicm 1449: }
1.128 nicm 1450: return (out);
1451: }
1.1 nicm 1452:
1.128 nicm 1453: /* Complete word. */
1.151 nicm 1454: static char *
1.152 nicm 1455: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1456: {
1457: const char **list = NULL, *colon;
1458: u_int size = 0, i;
1459: struct session *s_loop;
1460: struct winlink *wl;
1461: struct window *w;
1462: char *copy, *out, *tmp;
1463:
1464: if (*s == '\0')
1.1 nicm 1465: return (NULL);
1.128 nicm 1466: out = NULL;
1467:
1468: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1469: list = status_prompt_complete_list(&size, s);
1470: if (size == 0)
1471: out = NULL;
1472: else if (size == 1)
1473: xasprintf(&out, "%s ", list[0]);
1474: else
1475: out = status_prompt_complete_prefix(list, size);
1476: free(list);
1477: return (out);
1478: }
1479: copy = xstrdup(s);
1480:
1481: colon = ":";
1482: if (copy[strlen(copy) - 1] == ':')
1483: copy[strlen(copy) - 1] = '\0';
1484: else
1485: colon = "";
1486: s = copy + 2;
1.1 nicm 1487:
1.128 nicm 1488: RB_FOREACH(s_loop, sessions, &sessions) {
1489: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1490: list = xreallocarray(list, size + 2, sizeof *list);
1491: list[size++] = s_loop->name;
1492: }
1493: }
1494: if (size == 1) {
1495: out = xstrdup(list[0]);
1496: if (session_find(list[0]) != NULL)
1497: colon = ":";
1498: } else if (size != 0)
1499: out = status_prompt_complete_prefix(list, size);
1500: if (out != NULL) {
1501: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1502: out = tmp;
1503: goto found;
1504: }
1505:
1506: colon = "";
1507: if (*s == ':') {
1.152 nicm 1508: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1509: xasprintf(&tmp, ":%s", wl->window->name);
1510: if (strncmp(tmp, s, strlen(s)) == 0){
1511: list = xreallocarray(list, size + 1,
1512: sizeof *list);
1513: list[size++] = tmp;
1514: continue;
1515: }
1516: free(tmp);
1.1 nicm 1517:
1.128 nicm 1518: xasprintf(&tmp, ":%d", wl->idx);
1519: if (strncmp(tmp, s, strlen(s)) == 0) {
1520: list = xreallocarray(list, size + 1,
1521: sizeof *list);
1522: list[size++] = tmp;
1523: continue;
1524: }
1525: free(tmp);
1526: }
1527: } else {
1528: RB_FOREACH(s_loop, sessions, &sessions) {
1529: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1530: w = wl->window;
1531:
1532: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1533: if (strncmp(tmp, s, strlen(s)) == 0) {
1534: list = xreallocarray(list, size + 1,
1535: sizeof *list);
1536: list[size++] = tmp;
1537: continue;
1538: }
1539: free(tmp);
1540:
1541: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1542: if (strncmp(tmp, s, strlen(s)) == 0) {
1543: list = xreallocarray(list, size + 1,
1544: sizeof *list);
1545: list[size++] = tmp;
1546: continue;
1547: }
1548: free(tmp);
1549: }
1.1 nicm 1550: }
1551: }
1.128 nicm 1552: if (size == 1) {
1553: out = xstrdup(list[0]);
1554: colon = " ";
1555: } else if (size != 0)
1556: out = status_prompt_complete_prefix(list, size);
1557: if (out != NULL) {
1558: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1559: out = tmp;
1560: }
1561:
1562: for (i = 0; i < size; i++)
1563: free((void *)list[i]);
1564:
1565: found:
1566: free(copy);
1567: free(list);
1568: return (out);
1.1 nicm 1569: }
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