Annotation of src/usr.bin/tmux/status.c, Revision 1.149
1.149 ! nicm 1: /* $OpenBSD: status.c,v 1.148 2016/01/19 15:59:12 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:
1.139 nicm 32: char *status_redraw_get_left(struct client *, time_t, struct grid_cell *,
33: size_t *);
34: char *status_redraw_get_right(struct client *, time_t, struct grid_cell *,
1.123 nicm 35: size_t *);
36: char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: char *status_replace(struct client *, struct winlink *, const char *, time_t);
1.42 nicm 39: void status_message_callback(int, short, void *);
1.133 nicm 40: void status_timer_callback(int, short, void *);
1.1 nicm 41:
1.65 nicm 42: const char *status_prompt_up_history(u_int *);
43: const char *status_prompt_down_history(u_int *);
44: void status_prompt_add_history(const char *);
1.128 nicm 45:
46: const char **status_prompt_complete_list(u_int *, const char *);
47: char *status_prompt_complete_prefix(const char **, u_int);
48: char *status_prompt_complete(struct session *, const char *);
1.1 nicm 49:
1.130 nicm 50: char *status_prompt_find_history_file(void);
51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
54: char **status_prompt_hlist;
55: u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
58: char *
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. */
147: 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. */
210: 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. */
232: 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: {
1.48 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;
1.91 nicm 286: struct options *oo;
1.48 nicm 287: time_t t;
1.91 nicm 288: char *left, *right, *sep;
1.48 nicm 289: u_int offset, needed;
290: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 291: size_t llen, rlen, seplen;
1.139 nicm 292: int larrow, rarrow;
1.1 nicm 293:
1.49 nicm 294: /* No status line? */
1.137 nicm 295: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 296: return (1);
1.48 nicm 297: left = right = NULL;
1.7 nicm 298: larrow = rarrow = 0;
1.1 nicm 299:
1.133 nicm 300: /* Store current time. */
301: t = time(NULL);
1.48 nicm 302:
303: /* Set up default colour. */
1.137 nicm 304: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 305:
1.48 nicm 306: /* Create the target screen. */
307: memcpy(&old_status, &c->status, sizeof old_status);
308: screen_init(&c->status, c->tty.sx, 1, 0);
309: screen_write_start(&ctx, NULL, &c->status);
310: for (offset = 0; offset < c->tty.sx; offset++)
311: screen_write_putc(&ctx, &stdgc, ' ');
312: screen_write_stop(&ctx);
313:
314: /* If the height is one line, blank status line. */
315: if (c->tty.sy <= 1)
316: goto out;
1.1 nicm 317:
1.48 nicm 318: /* Work out left and right strings. */
319: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 320: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 321: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 322: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 323:
324: /*
1.48 nicm 325: * Figure out how much space we have for the window list. If there
326: * isn't enough space, just show a blank status line.
1.1 nicm 327: */
1.55 nicm 328: needed = 0;
1.1 nicm 329: if (llen != 0)
1.118 nicm 330: needed += llen;
1.1 nicm 331: if (rlen != 0)
1.118 nicm 332: needed += rlen;
1.48 nicm 333: if (c->tty.sx == 0 || c->tty.sx <= needed)
334: goto out;
335: wlavailable = c->tty.sx - needed;
1.1 nicm 336:
1.48 nicm 337: /* Calculate the total size needed for the window list. */
338: wlstart = wloffset = wlwidth = 0;
1.1 nicm 339: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 340: free(wl->status_text);
1.48 nicm 341: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
342: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 343: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 344:
1.1 nicm 345: if (wl == s->curw)
1.48 nicm 346: wloffset = wlwidth;
1.91 nicm 347:
1.137 nicm 348: oo = wl->window->options;
1.91 nicm 349: sep = options_get_string(oo, "window-status-separator");
1.149 ! nicm 350: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 351: wlwidth += wl->status_width + seplen;
1.48 nicm 352: }
353:
354: /* Create a new screen for the window list. */
355: screen_init(&window_list, wlwidth, 1, 0);
356:
357: /* And draw the window list into it. */
358: screen_write_start(&ctx, NULL, &window_list);
359: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 360: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
361: wl->status_text);
1.91 nicm 362:
1.137 nicm 363: oo = wl->window->options;
1.91 nicm 364: sep = options_get_string(oo, "window-status-separator");
1.149 ! nicm 365: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 366: }
1.48 nicm 367: screen_write_stop(&ctx);
1.1 nicm 368:
1.48 nicm 369: /* If there is enough space for the total width, skip to draw now. */
370: if (wlwidth <= wlavailable)
1.1 nicm 371: goto draw;
372:
373: /* Find size of current window text. */
1.48 nicm 374: wlsize = s->curw->status_width;
1.1 nicm 375:
376: /*
1.48 nicm 377: * If the current window is already on screen, good to draw from the
1.1 nicm 378: * start and just leave off the end.
379: */
1.48 nicm 380: if (wloffset + wlsize < wlavailable) {
381: if (wlavailable > 0) {
382: rarrow = 1;
383: wlavailable--;
384: }
385: wlwidth = wlavailable;
386: } else {
387: /*
388: * Work out how many characters we need to omit from the
389: * start. There are wlavailable characters to fill, and
390: * wloffset + wlsize must be the last. So, the start character
391: * is wloffset + wlsize - wlavailable.
392: */
393: if (wlavailable > 0) {
394: larrow = 1;
395: wlavailable--;
396: }
1.55 nicm 397:
1.48 nicm 398: wlstart = wloffset + wlsize - wlavailable;
399: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 400: rarrow = 1;
1.48 nicm 401: wlstart++;
402: wlavailable--;
1.1 nicm 403: }
1.48 nicm 404: wlwidth = wlavailable;
405: }
1.1 nicm 406:
1.48 nicm 407: /* Bail if anything is now too small too. */
408: if (wlwidth == 0 || wlavailable == 0) {
409: screen_free(&window_list);
410: goto out;
1.1 nicm 411: }
412:
413: /*
1.48 nicm 414: * Now the start position is known, work out the state of the left and
415: * right arrows.
1.1 nicm 416: */
417: offset = 0;
418: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 419: if (wl->flags & WINLINK_ALERTFLAGS &&
420: larrow == 1 && offset < wlstart)
421: larrow = -1;
1.1 nicm 422:
1.48 nicm 423: offset += wl->status_width;
1.1 nicm 424:
1.63 nicm 425: if (wl->flags & WINLINK_ALERTFLAGS &&
426: rarrow == 1 && offset > wlstart + wlwidth)
427: rarrow = -1;
1.1 nicm 428: }
429:
1.48 nicm 430: draw:
1.55 nicm 431: /* Begin drawing. */
1.48 nicm 432: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 433:
1.48 nicm 434: /* Draw the left string and arrow. */
435: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 436: if (llen != 0)
1.139 nicm 437: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 438: if (larrow != 0) {
439: memcpy(&gc, &stdgc, sizeof gc);
440: if (larrow == -1)
441: gc.attr ^= GRID_ATTR_REVERSE;
442: screen_write_putc(&ctx, &gc, '<');
443: }
1.48 nicm 444:
445: /* Draw the right string and arrow. */
1.1 nicm 446: if (rarrow != 0) {
1.118 nicm 447: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 448: memcpy(&gc, &stdgc, sizeof gc);
449: if (rarrow == -1)
450: gc.attr ^= GRID_ATTR_REVERSE;
451: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 452: } else
1.118 nicm 453: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
454: if (rlen != 0)
1.139 nicm 455: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 456:
1.48 nicm 457: /* Figure out the offset for the window list. */
1.58 nicm 458: if (llen != 0)
1.118 nicm 459: wloffset = llen;
1.58 nicm 460: else
461: wloffset = 0;
1.48 nicm 462: if (wlwidth < wlavailable) {
1.137 nicm 463: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 464: case 1: /* centred */
1.58 nicm 465: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 466: break;
467: case 2: /* right */
1.58 nicm 468: wloffset += (wlavailable - wlwidth);
1.48 nicm 469: break;
470: }
471: }
472: if (larrow != 0)
473: wloffset++;
474:
475: /* Copy the window list. */
1.88 nicm 476: c->wlmouse = -wloffset + wlstart;
1.48 nicm 477: screen_write_cursormove(&ctx, wloffset, 0);
478: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 479: screen_free(&window_list);
1.1 nicm 480:
1.48 nicm 481: screen_write_stop(&ctx);
1.1 nicm 482:
483: out:
1.94 nicm 484: free(left);
485: free(right);
1.1 nicm 486:
487: if (grid_compare(c->status.grid, old_status.grid) == 0) {
488: screen_free(&old_status);
489: return (0);
490: }
491: screen_free(&old_status);
492: return (1);
493: }
494:
1.46 nicm 495: /* Replace special sequences in fmt. */
496: char *
1.123 nicm 497: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 498: {
1.96 nicm 499: struct format_tree *ft;
1.129 nicm 500: char *expanded;
1.47 nicm 501:
1.93 nicm 502: if (fmt == NULL)
503: return (xstrdup(""));
504:
1.135 nicm 505: if (c->flags & CLIENT_STATUSFORCE)
1.145 nicm 506: ft = format_create(NULL, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 507: else
1.145 nicm 508: ft = format_create(NULL, FORMAT_STATUS);
1.129 nicm 509: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 510:
1.129 nicm 511: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 512:
1.99 nicm 513: format_free(ft);
514: return (expanded);
1.1 nicm 515: }
516:
1.46 nicm 517: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 518: char *
1.120 nicm 519: status_print(struct client *c, struct winlink *wl, time_t t,
520: struct grid_cell *gc)
1.1 nicm 521: {
1.137 nicm 522: struct options *oo = wl->window->options;
1.47 nicm 523: struct session *s = c->session;
524: const char *fmt;
525: char *text;
1.1 nicm 526:
1.108 nicm 527: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 528: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 529: if (wl == s->curw) {
1.108 nicm 530: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 531: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 532: }
1.108 nicm 533: if (wl == TAILQ_FIRST(&s->lastw))
534: style_apply_update(gc, oo, "window-status-last-style");
535:
536: if (wl->flags & WINLINK_BELL)
537: style_apply_update(gc, oo, "window-status-bell-style");
538: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
539: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 540:
1.123 nicm 541: text = status_replace(c, wl, fmt, t);
1.1 nicm 542: return (text);
543: }
544:
1.46 nicm 545: /* Set a status line message. */
1.117 nicm 546: void
1.10 nicm 547: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 548: {
1.44 nicm 549: struct timeval tv;
1.127 nicm 550: struct message_entry *msg, *msg1;
1.44 nicm 551: va_list ap;
552: int delay;
1.147 nicm 553: u_int limit;
1.127 nicm 554:
1.137 nicm 555: limit = options_get_number(global_options, "message-limit");
1.1 nicm 556:
1.12 nicm 557: status_prompt_clear(c);
558: status_message_clear(c);
559:
1.28 nicm 560: va_start(ap, fmt);
561: xvasprintf(&c->message_string, fmt, ap);
562: va_end(ap);
563:
1.127 nicm 564: msg = xcalloc(1, sizeof *msg);
1.44 nicm 565: msg->msg_time = time(NULL);
1.127 nicm 566: msg->msg_num = c->message_next++;
1.44 nicm 567: msg->msg = xstrdup(c->message_string);
1.127 nicm 568: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 569:
1.127 nicm 570: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.147 nicm 571: if (msg->msg_num + limit >= c->message_next)
572: break;
1.127 nicm 573: free(msg->msg);
574: TAILQ_REMOVE(&c->message_log, msg, entry);
575: free(msg);
1.44 nicm 576: }
577:
1.137 nicm 578: delay = options_get_number(c->session->options, "display-time");
1.143 tim 579: if (delay > 0) {
580: tv.tv_sec = delay / 1000;
581: tv.tv_usec = (delay % 1000) * 1000L;
582:
583: if (event_initialized(&c->message_timer))
584: evtimer_del(&c->message_timer);
585: evtimer_set(&c->message_timer, status_message_callback, c);
586: evtimer_add(&c->message_timer, &tv);
587: }
1.1 nicm 588:
589: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
590: c->flags |= CLIENT_STATUS;
591: }
592:
1.46 nicm 593: /* Clear status line message. */
1.1 nicm 594: void
595: status_message_clear(struct client *c)
596: {
597: if (c->message_string == NULL)
598: return;
599:
1.94 nicm 600: free(c->message_string);
1.1 nicm 601: c->message_string = NULL;
602:
603: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 604: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 605:
606: screen_reinit(&c->status);
1.42 nicm 607: }
608:
1.46 nicm 609: /* Clear status line message after timer expires. */
1.42 nicm 610: void
1.141 nicm 611: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 612: {
613: struct client *c = data;
614:
615: status_message_clear(c);
1.1 nicm 616: }
617:
618: /* Draw client message on status line of present else on last line. */
619: int
620: status_message_redraw(struct client *c)
621: {
622: struct screen_write_ctx ctx;
623: struct session *s = c->session;
624: struct screen old_status;
625: size_t len;
626: struct grid_cell gc;
627:
628: if (c->tty.sx == 0 || c->tty.sy == 0)
629: return (0);
630: memcpy(&old_status, &c->status, sizeof old_status);
631: screen_init(&c->status, c->tty.sx, 1, 0);
632:
1.139 nicm 633: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 634: if (len > c->tty.sx)
635: len = c->tty.sx;
636:
1.137 nicm 637: style_apply(&gc, s->options, "message-style");
1.1 nicm 638:
639: screen_write_start(&ctx, NULL, &c->status);
640:
641: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 642: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 643: for (; len < c->tty.sx; len++)
644: screen_write_putc(&ctx, &gc, ' ');
645:
646: screen_write_stop(&ctx);
647:
648: if (grid_compare(c->status.grid, old_status.grid) == 0) {
649: screen_free(&old_status);
650: return (0);
651: }
652: screen_free(&old_status);
653: return (1);
654: }
655:
1.46 nicm 656: /* Enable status line prompt. */
1.1 nicm 657: void
1.76 nicm 658: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 659: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
660: void *data, int flags)
1.1 nicm 661: {
1.122 nicm 662: struct format_tree *ft;
663: int keys;
664: time_t t;
665:
1.145 nicm 666: ft = format_create(NULL, 0);
1.122 nicm 667: format_defaults(ft, c, NULL, NULL, NULL);
668: t = time(NULL);
1.20 nicm 669:
1.12 nicm 670: status_message_clear(c);
671: status_prompt_clear(c);
672:
1.124 nicm 673: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 674:
1.124 nicm 675: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 676: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 677:
1.12 nicm 678: c->prompt_callbackfn = callbackfn;
679: c->prompt_freefn = freefn;
1.1 nicm 680: c->prompt_data = data;
681:
682: c->prompt_hindex = 0;
683:
684: c->prompt_flags = flags;
685:
1.137 nicm 686: keys = options_get_number(c->session->options, "status-keys");
1.20 nicm 687: if (keys == MODEKEY_EMACS)
1.21 nicm 688: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 689: else
1.21 nicm 690: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 691:
692: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
693: c->flags |= CLIENT_STATUS;
1.122 nicm 694:
695: format_free(ft);
1.1 nicm 696: }
697:
1.46 nicm 698: /* Remove status line prompt. */
1.1 nicm 699: void
700: status_prompt_clear(struct client *c)
701: {
1.55 nicm 702: if (c->prompt_string == NULL)
1.1 nicm 703: return;
704:
1.12 nicm 705: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
706: c->prompt_freefn(c->prompt_data);
1.1 nicm 707:
1.94 nicm 708: free(c->prompt_string);
1.1 nicm 709: c->prompt_string = NULL;
710:
1.94 nicm 711: free(c->prompt_buffer);
1.1 nicm 712: c->prompt_buffer = NULL;
713:
714: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 715: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 716:
717: screen_reinit(&c->status);
1.27 nicm 718: }
719:
1.46 nicm 720: /* Update status line prompt with a new prompt string. */
1.27 nicm 721: void
1.76 nicm 722: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 723: {
1.122 nicm 724: struct format_tree *ft;
725: time_t t;
726:
1.145 nicm 727: ft = format_create(NULL, 0);
1.122 nicm 728: format_defaults(ft, c, NULL, NULL, NULL);
729: t = time(NULL);
730:
1.94 nicm 731: free(c->prompt_string);
1.124 nicm 732: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 733:
1.94 nicm 734: free(c->prompt_buffer);
1.124 nicm 735: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 736: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 737:
738: c->prompt_hindex = 0;
739:
740: c->flags |= CLIENT_STATUS;
1.122 nicm 741:
742: format_free(ft);
1.1 nicm 743: }
744:
745: /* Draw client prompt on status line of present else on last line. */
746: int
747: status_prompt_redraw(struct client *c)
748: {
1.51 nicm 749: struct screen_write_ctx ctx;
1.1 nicm 750: struct session *s = c->session;
751: struct screen old_status;
1.29 nicm 752: size_t i, size, left, len, off;
1.140 nicm 753: struct grid_cell gc;
1.1 nicm 754:
755: if (c->tty.sx == 0 || c->tty.sy == 0)
756: return (0);
757: memcpy(&old_status, &c->status, sizeof old_status);
758: screen_init(&c->status, c->tty.sx, 1, 0);
759:
1.139 nicm 760: len = screen_write_strlen("%s", c->prompt_string);
1.1 nicm 761: if (len > c->tty.sx)
762: len = c->tty.sx;
1.51 nicm 763: off = 0;
1.1 nicm 764:
1.79 nicm 765: /* Change colours for command mode. */
1.108 nicm 766: if (c->prompt_mdata.mode == 1)
1.137 nicm 767: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 768: else
1.137 nicm 769: style_apply(&gc, s->options, "message-style");
1.1 nicm 770:
771: screen_write_start(&ctx, NULL, &c->status);
772:
773: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 774: screen_write_nputs(&ctx, len, &gc, "%s", c->prompt_string);
1.1 nicm 775:
776: left = c->tty.sx - len;
777: if (left != 0) {
1.139 nicm 778: size = screen_write_strlen("%s", c->prompt_buffer);
1.51 nicm 779: if (c->prompt_index >= left) {
1.17 nicm 780: off = c->prompt_index - left + 1;
1.51 nicm 781: if (c->prompt_index == size)
1.1 nicm 782: left--;
783: size = left;
784: }
1.139 nicm 785: screen_write_nputs(&ctx, left, &gc, "%s", c->prompt_buffer +
786: off);
1.1 nicm 787:
1.55 nicm 788: for (i = len + size; i < c->tty.sx; i++)
789: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 790: }
791:
792: screen_write_stop(&ctx);
1.51 nicm 793:
794: /* Apply fake cursor. */
795: off = len + c->prompt_index - off;
1.140 nicm 796: grid_view_get_cell(c->status.grid, off, 0, &gc);
797: gc.attr ^= GRID_ATTR_REVERSE;
798: grid_view_set_cell(c->status.grid, off, 0, &gc);
1.1 nicm 799:
800: if (grid_compare(c->status.grid, old_status.grid) == 0) {
801: screen_free(&old_status);
802: return (0);
803: }
804: screen_free(&old_status);
805: return (1);
806: }
807:
808: /* Handle keys in prompt. */
809: void
1.138 nicm 810: status_prompt_key(struct client *c, key_code key)
1.1 nicm 811: {
1.81 nicm 812: struct session *sess = c->session;
1.137 nicm 813: struct options *oo = sess->options;
1.1 nicm 814: struct paste_buffer *pb;
1.81 nicm 815: char *s, *first, *last, word[64], swapc;
1.134 nicm 816: const char *histstr, *bufdata, *wsep = NULL;
1.53 nicm 817: u_char ch;
1.134 nicm 818: size_t size, n, off, idx, bufsize;
1.1 nicm 819:
820: size = strlen(c->prompt_buffer);
1.101 nicm 821: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 822: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 823: if (c->prompt_index > 0) {
824: c->prompt_index--;
825: c->flags |= CLIENT_STATUS;
826: }
827: break;
1.79 nicm 828: case MODEKEYEDIT_SWITCHMODE:
829: c->flags |= CLIENT_STATUS;
830: break;
1.20 nicm 831: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 832: c->flags |= CLIENT_STATUS;
833: /* FALLTHROUGH */
1.20 nicm 834: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 835: if (c->prompt_index < size) {
836: c->prompt_index++;
837: c->flags |= CLIENT_STATUS;
838: }
839: break;
1.89 nicm 840: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
841: c->flags |= CLIENT_STATUS;
842: /* FALLTHROUGH */
1.20 nicm 843: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 844: if (c->prompt_index != 0) {
845: c->prompt_index = 0;
846: c->flags |= CLIENT_STATUS;
847: }
848: break;
1.89 nicm 849: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
850: c->flags |= CLIENT_STATUS;
851: /* FALLTHROUGH */
1.20 nicm 852: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 853: if (c->prompt_index != size) {
854: c->prompt_index = size;
855: c->flags |= CLIENT_STATUS;
856: }
857: break;
1.20 nicm 858: case MODEKEYEDIT_COMPLETE:
1.1 nicm 859: if (*c->prompt_buffer == '\0')
860: break;
861:
862: idx = c->prompt_index;
863: if (idx != 0)
864: idx--;
865:
866: /* Find the word we are in. */
867: first = c->prompt_buffer + idx;
868: while (first > c->prompt_buffer && *first != ' ')
869: first--;
870: while (*first == ' ')
871: first++;
872: last = c->prompt_buffer + idx;
873: while (*last != '\0' && *last != ' ')
874: last++;
875: while (*last == ' ')
876: last--;
877: if (*last != '\0')
878: last++;
879: if (last <= first ||
880: ((size_t) (last - first)) > (sizeof word) - 1)
881: break;
882: memcpy(word, first, last - first);
883: word[last - first] = '\0';
884:
885: /* And try to complete it. */
1.128 nicm 886: if ((s = status_prompt_complete(sess, word)) == NULL)
1.1 nicm 887: break;
888:
889: /* Trim out word. */
890: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
891: memmove(first, last, n);
892: size -= last - first;
893:
894: /* Insert the new word. */
1.55 nicm 895: size += strlen(s);
1.1 nicm 896: off = first - c->prompt_buffer;
1.116 nicm 897: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 898: first = c->prompt_buffer + off;
1.55 nicm 899: memmove(first + strlen(s), first, n);
900: memcpy(first, s, strlen(s));
1.1 nicm 901:
902: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 903: free(s);
1.1 nicm 904:
905: c->flags |= CLIENT_STATUS;
906: break;
1.20 nicm 907: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 908: if (c->prompt_index != 0) {
909: if (c->prompt_index == size)
910: c->prompt_buffer[--c->prompt_index] = '\0';
911: else {
912: memmove(c->prompt_buffer + c->prompt_index - 1,
913: c->prompt_buffer + c->prompt_index,
914: size + 1 - c->prompt_index);
915: c->prompt_index--;
916: }
917: c->flags |= CLIENT_STATUS;
918: }
919: break;
1.55 nicm 920: case MODEKEYEDIT_DELETE:
1.105 nicm 921: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 922: if (c->prompt_index != size) {
923: memmove(c->prompt_buffer + c->prompt_index,
924: c->prompt_buffer + c->prompt_index + 1,
925: size + 1 - c->prompt_index);
1.18 nicm 926: c->flags |= CLIENT_STATUS;
927: }
1.26 nicm 928: break;
929: case MODEKEYEDIT_DELETELINE:
1.105 nicm 930: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 931: *c->prompt_buffer = '\0';
932: c->prompt_index = 0;
933: c->flags |= CLIENT_STATUS;
1.18 nicm 934: break;
1.20 nicm 935: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 936: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 937: if (c->prompt_index < size) {
938: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 939: c->flags |= CLIENT_STATUS;
940: }
941: break;
1.81 nicm 942: case MODEKEYEDIT_DELETEWORD:
943: wsep = options_get_string(oo, "word-separators");
944: idx = c->prompt_index;
945:
946: /* Find a non-separator. */
947: while (idx != 0) {
948: idx--;
949: if (!strchr(wsep, c->prompt_buffer[idx]))
950: break;
951: }
952:
953: /* Find the separator at the beginning of the word. */
954: while (idx != 0) {
955: idx--;
956: if (strchr(wsep, c->prompt_buffer[idx])) {
957: /* Go back to the word. */
958: idx++;
959: break;
960: }
961: }
962:
963: memmove(c->prompt_buffer + idx,
964: c->prompt_buffer + c->prompt_index,
965: size + 1 - c->prompt_index);
966: memset(c->prompt_buffer + size - (c->prompt_index - idx),
967: '\0', c->prompt_index - idx);
968: c->prompt_index = idx;
969: c->flags |= CLIENT_STATUS;
970: break;
1.83 nicm 971: case MODEKEYEDIT_NEXTSPACE:
972: wsep = " ";
973: /* FALLTHROUGH */
1.81 nicm 974: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 975: if (wsep == NULL)
976: wsep = options_get_string(oo, "word-separators");
1.81 nicm 977:
978: /* Find a separator. */
979: while (c->prompt_index != size) {
980: c->prompt_index++;
981: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
982: break;
983: }
984:
985: /* Find the word right after the separation. */
986: while (c->prompt_index != size) {
987: c->prompt_index++;
988: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
989: break;
990: }
991:
992: c->flags |= CLIENT_STATUS;
993: break;
1.83 nicm 994: case MODEKEYEDIT_NEXTSPACEEND:
995: wsep = " ";
996: /* FALLTHROUGH */
1.81 nicm 997: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 998: if (wsep == NULL)
999: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1000:
1001: /* Find a word. */
1002: while (c->prompt_index != size) {
1003: c->prompt_index++;
1004: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1005: break;
1006: }
1007:
1008: /* Find the separator at the end of the word. */
1009: while (c->prompt_index != size) {
1010: c->prompt_index++;
1.82 nicm 1011: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1012: break;
1013: }
1.106 nicm 1014:
1015: /* Back up to the end-of-word like vi. */
1016: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1017: c->prompt_index != 0)
1018: c->prompt_index--;
1.81 nicm 1019:
1020: c->flags |= CLIENT_STATUS;
1021: break;
1.83 nicm 1022: case MODEKEYEDIT_PREVIOUSSPACE:
1023: wsep = " ";
1024: /* FALLTHROUGH */
1.81 nicm 1025: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1026: if (wsep == NULL)
1027: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1028:
1029: /* Find a non-separator. */
1030: while (c->prompt_index != 0) {
1031: c->prompt_index--;
1032: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1033: break;
1034: }
1035:
1036: /* Find the separator at the beginning of the word. */
1037: while (c->prompt_index != 0) {
1038: c->prompt_index--;
1039: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1040: /* Go back to the word. */
1041: c->prompt_index++;
1042: break;
1043: }
1044: }
1045:
1046: c->flags |= CLIENT_STATUS;
1047: break;
1.20 nicm 1048: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1049: histstr = status_prompt_up_history(&c->prompt_hindex);
1050: if (histstr == NULL)
1.1 nicm 1051: break;
1.94 nicm 1052: free(c->prompt_buffer);
1.66 nicm 1053: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1054: c->prompt_index = strlen(c->prompt_buffer);
1055: c->flags |= CLIENT_STATUS;
1056: break;
1.20 nicm 1057: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1058: histstr = status_prompt_down_history(&c->prompt_hindex);
1059: if (histstr == NULL)
1.65 nicm 1060: break;
1.94 nicm 1061: free(c->prompt_buffer);
1.66 nicm 1062: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1063: c->prompt_index = strlen(c->prompt_buffer);
1064: c->flags |= CLIENT_STATUS;
1065: break;
1.20 nicm 1066: case MODEKEYEDIT_PASTE:
1.134 nicm 1067: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1068: break;
1.134 nicm 1069: bufdata = paste_buffer_data(pb, &bufsize);
1070: for (n = 0; n < bufsize; n++) {
1071: ch = (u_char)bufdata[n];
1.53 nicm 1072: if (ch < 32 || ch == 127)
1.32 nicm 1073: break;
1074: }
1.1 nicm 1075:
1.116 nicm 1076: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1077: if (c->prompt_index == size) {
1.134 nicm 1078: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1079: c->prompt_index += n;
1080: c->prompt_buffer[c->prompt_index] = '\0';
1081: } else {
1082: memmove(c->prompt_buffer + c->prompt_index + n,
1083: c->prompt_buffer + c->prompt_index,
1084: size + 1 - c->prompt_index);
1.134 nicm 1085: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1086: c->prompt_index += n;
1087: }
1088:
1089: c->flags |= CLIENT_STATUS;
1.30 nicm 1090: break;
1091: case MODEKEYEDIT_TRANSPOSECHARS:
1092: idx = c->prompt_index;
1093: if (idx < size)
1094: idx++;
1095: if (idx >= 2) {
1096: swapc = c->prompt_buffer[idx - 2];
1097: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1098: c->prompt_buffer[idx - 1] = swapc;
1099: c->prompt_index = idx;
1100: c->flags |= CLIENT_STATUS;
1101: }
1.1 nicm 1102: break;
1.55 nicm 1103: case MODEKEYEDIT_ENTER:
1.25 nicm 1104: if (*c->prompt_buffer != '\0')
1.65 nicm 1105: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1106: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1107: status_prompt_clear(c);
1108: break;
1.20 nicm 1109: case MODEKEYEDIT_CANCEL:
1.12 nicm 1110: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1111: status_prompt_clear(c);
1112: break;
1.20 nicm 1113: case MODEKEY_OTHER:
1.138 nicm 1114: if (key <= 0x1f || key >= 0x7f)
1.1 nicm 1115: break;
1.116 nicm 1116: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1117:
1118: if (c->prompt_index == size) {
1119: c->prompt_buffer[c->prompt_index++] = key;
1120: c->prompt_buffer[c->prompt_index] = '\0';
1121: } else {
1122: memmove(c->prompt_buffer + c->prompt_index + 1,
1123: c->prompt_buffer + c->prompt_index,
1124: size + 1 - c->prompt_index);
1125: c->prompt_buffer[c->prompt_index++] = key;
1126: }
1127:
1128: if (c->prompt_flags & PROMPT_SINGLE) {
1.146 nicm 1129: if (c->prompt_callbackfn(c->prompt_data,
1130: c->prompt_buffer) == 0)
1.1 nicm 1131: status_prompt_clear(c);
1132: }
1133:
1134: c->flags |= CLIENT_STATUS;
1135: break;
1136: default:
1137: break;
1138: }
1139: }
1140:
1.65 nicm 1141: /* Get previous line from the history. */
1142: const char *
1143: status_prompt_up_history(u_int *idx)
1144: {
1145: /*
1.128 nicm 1146: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1147: * empty.
1.65 nicm 1148: */
1149:
1.128 nicm 1150: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1151: return (NULL);
1152: (*idx)++;
1.128 nicm 1153: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1154: }
1155:
1156: /* Get next line from the history. */
1157: const char *
1158: status_prompt_down_history(u_int *idx)
1159: {
1.128 nicm 1160: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1161: return ("");
1162: (*idx)--;
1163: if (*idx == 0)
1164: return ("");
1.128 nicm 1165: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1166: }
1167:
1.1 nicm 1168: /* Add line to the history. */
1169: void
1.65 nicm 1170: status_prompt_add_history(const char *line)
1.1 nicm 1171: {
1.128 nicm 1172: size_t size;
1.65 nicm 1173:
1.128 nicm 1174: if (status_prompt_hsize > 0 &&
1175: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1176: return;
1177:
1.128 nicm 1178: if (status_prompt_hsize == PROMPT_HISTORY) {
1179: free(status_prompt_hlist[0]);
1.1 nicm 1180:
1.128 nicm 1181: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1182: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1183:
1.128 nicm 1184: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1185: return;
1186: }
1.1 nicm 1187:
1.128 nicm 1188: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1189: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1190: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1191: }
1192:
1193: /* Build completion list. */
1194: const char **
1195: status_prompt_complete_list(u_int *size, const char *s)
1196: {
1197: const char **list = NULL, **layout;
1198: const struct cmd_entry **cmdent;
1199: const struct options_table_entry *oe;
1200: const char *layouts[] = {
1201: "even-horizontal", "even-vertical", "main-horizontal",
1202: "main-vertical", "tiled", NULL
1203: };
1.1 nicm 1204:
1.128 nicm 1205: *size = 0;
1.1 nicm 1206: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1207: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1208: list = xreallocarray(list, (*size) + 1, sizeof *list);
1209: list[(*size)++] = (*cmdent)->name;
1210: }
1.56 nicm 1211: }
1.142 nicm 1212: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1213: if (strncmp(oe->name, s, strlen(s)) == 0) {
1214: list = xreallocarray(list, (*size) + 1, sizeof *list);
1215: list[(*size)++] = oe->name;
1216: }
1217: }
1218: for (layout = layouts; *layout != NULL; layout++) {
1219: if (strncmp(*layout, s, strlen(s)) == 0) {
1220: list = xreallocarray(list, (*size) + 1, sizeof *list);
1221: list[(*size)++] = *layout;
1222: }
1223: }
1224: return (list);
1225: }
1226:
1227: /* Find longest prefix. */
1228: char *
1229: status_prompt_complete_prefix(const char **list, u_int size)
1230: {
1231: char *out;
1232: u_int i;
1233: size_t j;
1234:
1235: out = xstrdup(list[0]);
1236: for (i = 1; i < size; i++) {
1237: j = strlen(list[i]);
1238: if (j > strlen(out))
1239: j = strlen(out);
1240: for (; j > 0; j--) {
1241: if (out[j - 1] != list[i][j - 1])
1242: out[j - 1] = '\0';
1243: }
1.1 nicm 1244: }
1.128 nicm 1245: return (out);
1246: }
1.1 nicm 1247:
1.128 nicm 1248: /* Complete word. */
1249: char *
1250: status_prompt_complete(struct session *sess, const char *s)
1251: {
1252: const char **list = NULL, *colon;
1253: u_int size = 0, i;
1254: struct session *s_loop;
1255: struct winlink *wl;
1256: struct window *w;
1257: char *copy, *out, *tmp;
1258:
1259: if (*s == '\0')
1.1 nicm 1260: return (NULL);
1.128 nicm 1261: out = NULL;
1262:
1263: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1264: list = status_prompt_complete_list(&size, s);
1265: if (size == 0)
1266: out = NULL;
1267: else if (size == 1)
1268: xasprintf(&out, "%s ", list[0]);
1269: else
1270: out = status_prompt_complete_prefix(list, size);
1271: free(list);
1272: return (out);
1273: }
1274: copy = xstrdup(s);
1275:
1276: colon = ":";
1277: if (copy[strlen(copy) - 1] == ':')
1278: copy[strlen(copy) - 1] = '\0';
1279: else
1280: colon = "";
1281: s = copy + 2;
1.1 nicm 1282:
1.128 nicm 1283: RB_FOREACH(s_loop, sessions, &sessions) {
1284: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1285: list = xreallocarray(list, size + 2, sizeof *list);
1286: list[size++] = s_loop->name;
1287: }
1288: }
1289: if (size == 1) {
1290: out = xstrdup(list[0]);
1291: if (session_find(list[0]) != NULL)
1292: colon = ":";
1293: } else if (size != 0)
1294: out = status_prompt_complete_prefix(list, size);
1295: if (out != NULL) {
1296: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1297: out = tmp;
1298: goto found;
1299: }
1300:
1301: colon = "";
1302: if (*s == ':') {
1303: RB_FOREACH(wl, winlinks, &sess->windows) {
1304: xasprintf(&tmp, ":%s", wl->window->name);
1305: if (strncmp(tmp, s, strlen(s)) == 0){
1306: list = xreallocarray(list, size + 1,
1307: sizeof *list);
1308: list[size++] = tmp;
1309: continue;
1310: }
1311: free(tmp);
1.1 nicm 1312:
1.128 nicm 1313: xasprintf(&tmp, ":%d", wl->idx);
1314: if (strncmp(tmp, s, strlen(s)) == 0) {
1315: list = xreallocarray(list, size + 1,
1316: sizeof *list);
1317: list[size++] = tmp;
1318: continue;
1319: }
1320: free(tmp);
1321: }
1322: } else {
1323: RB_FOREACH(s_loop, sessions, &sessions) {
1324: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1325: w = wl->window;
1326:
1327: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1328: if (strncmp(tmp, s, strlen(s)) == 0) {
1329: list = xreallocarray(list, size + 1,
1330: sizeof *list);
1331: list[size++] = tmp;
1332: continue;
1333: }
1334: free(tmp);
1335:
1336: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1337: if (strncmp(tmp, s, strlen(s)) == 0) {
1338: list = xreallocarray(list, size + 1,
1339: sizeof *list);
1340: list[size++] = tmp;
1341: continue;
1342: }
1343: free(tmp);
1344: }
1.1 nicm 1345: }
1346: }
1.128 nicm 1347: if (size == 1) {
1348: out = xstrdup(list[0]);
1349: colon = " ";
1350: } else if (size != 0)
1351: out = status_prompt_complete_prefix(list, size);
1352: if (out != NULL) {
1353: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1354: out = tmp;
1355: }
1356:
1357: for (i = 0; i < size; i++)
1358: free((void *)list[i]);
1359:
1360: found:
1361: free(copy);
1362: free(list);
1363: return (out);
1.1 nicm 1364: }
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