Annotation of src/usr.bin/tmux/status.c, Revision 1.153
1.153 ! nicm 1: /* $OpenBSD: status.c,v 1.152 2016/10/11 07:11:40 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: {
1.48 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. */
1.151 nicm 496: static 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. */
1.151 nicm 518: static 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. */
1.151 nicm 610: static void
1.141 nicm 611: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 612: {
613: struct client *c = data;
614:
615: status_message_clear(c);
1.1 nicm 616: }
617:
618: /* Draw client message on status line of present else on last line. */
619: int
620: status_message_redraw(struct client *c)
621: {
622: struct screen_write_ctx ctx;
623: struct session *s = c->session;
624: struct screen old_status;
625: size_t len;
626: struct grid_cell gc;
627:
628: if (c->tty.sx == 0 || c->tty.sy == 0)
629: return (0);
630: memcpy(&old_status, &c->status, sizeof old_status);
631: screen_init(&c->status, c->tty.sx, 1, 0);
632:
1.139 nicm 633: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 634: if (len > c->tty.sx)
635: len = c->tty.sx;
636:
1.137 nicm 637: style_apply(&gc, s->options, "message-style");
1.1 nicm 638:
639: screen_write_start(&ctx, NULL, &c->status);
640:
641: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 642: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 643: for (; len < c->tty.sx; len++)
644: screen_write_putc(&ctx, &gc, ' ');
645:
646: screen_write_stop(&ctx);
647:
648: if (grid_compare(c->status.grid, old_status.grid) == 0) {
649: screen_free(&old_status);
650: return (0);
651: }
652: screen_free(&old_status);
653: return (1);
654: }
655:
1.46 nicm 656: /* Enable status line prompt. */
1.1 nicm 657: void
1.76 nicm 658: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 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;
1.152 nicm 665: char *tmp;
1.122 nicm 666:
1.145 nicm 667: ft = format_create(NULL, 0);
1.122 nicm 668: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 669:
1.122 nicm 670: t = time(NULL);
1.152 nicm 671: tmp = format_expand_time(ft, input, t);
1.20 nicm 672:
1.12 nicm 673: status_message_clear(c);
674: status_prompt_clear(c);
675:
1.124 nicm 676: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 677:
1.152 nicm 678: c->prompt_buffer = utf8_fromcstr(tmp);
679: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 680:
1.12 nicm 681: c->prompt_callbackfn = callbackfn;
682: c->prompt_freefn = freefn;
1.1 nicm 683: c->prompt_data = data;
684:
685: c->prompt_hindex = 0;
686:
687: c->prompt_flags = flags;
688:
1.137 nicm 689: keys = options_get_number(c->session->options, "status-keys");
1.20 nicm 690: if (keys == MODEKEY_EMACS)
1.21 nicm 691: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 692: else
1.21 nicm 693: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 694:
695: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
696: c->flags |= CLIENT_STATUS;
1.122 nicm 697:
1.152 nicm 698: free(tmp);
1.122 nicm 699: format_free(ft);
1.1 nicm 700: }
701:
1.46 nicm 702: /* Remove status line prompt. */
1.1 nicm 703: void
704: status_prompt_clear(struct client *c)
705: {
1.55 nicm 706: if (c->prompt_string == NULL)
1.1 nicm 707: return;
708:
1.12 nicm 709: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
710: c->prompt_freefn(c->prompt_data);
1.1 nicm 711:
1.94 nicm 712: free(c->prompt_string);
1.1 nicm 713: c->prompt_string = NULL;
714:
1.94 nicm 715: free(c->prompt_buffer);
1.1 nicm 716: c->prompt_buffer = NULL;
717:
718: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 719: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 720:
721: screen_reinit(&c->status);
1.27 nicm 722: }
723:
1.46 nicm 724: /* Update status line prompt with a new prompt string. */
1.27 nicm 725: void
1.76 nicm 726: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 727: {
1.122 nicm 728: struct format_tree *ft;
729: time_t t;
1.152 nicm 730: char *tmp;
1.122 nicm 731:
1.145 nicm 732: ft = format_create(NULL, 0);
1.122 nicm 733: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 734:
1.122 nicm 735: t = time(NULL);
1.152 nicm 736: tmp = format_expand_time(ft, input, t);
1.122 nicm 737:
1.94 nicm 738: free(c->prompt_string);
1.124 nicm 739: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 740:
1.94 nicm 741: free(c->prompt_buffer);
1.152 nicm 742: c->prompt_buffer = utf8_fromcstr(tmp);
743: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 744:
745: c->prompt_hindex = 0;
746:
747: c->flags |= CLIENT_STATUS;
1.122 nicm 748:
1.152 nicm 749: free(tmp);
1.122 nicm 750: format_free(ft);
1.1 nicm 751: }
752:
753: /* Draw client prompt on status line of present else on last line. */
754: int
755: status_prompt_redraw(struct client *c)
756: {
1.152 nicm 757: struct screen_write_ctx ctx;
758: struct session *s = c->session;
759: struct screen old_status;
760: u_int i, offset, left, start, pcursor, pwidth, width;
761: struct grid_cell gc, cursorgc;
1.1 nicm 762:
763: if (c->tty.sx == 0 || c->tty.sy == 0)
764: return (0);
765: memcpy(&old_status, &c->status, sizeof old_status);
766: screen_init(&c->status, c->tty.sx, 1, 0);
767:
1.108 nicm 768: if (c->prompt_mdata.mode == 1)
1.137 nicm 769: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 770: else
1.137 nicm 771: style_apply(&gc, s->options, "message-style");
1.1 nicm 772:
1.152 nicm 773: memcpy(&cursorgc, &gc, sizeof cursorgc);
774: cursorgc.attr ^= GRID_ATTR_REVERSE;
775:
776: start = screen_write_strlen("%s", c->prompt_string);
777: if (start > c->tty.sx)
778: start = c->tty.sx;
779:
1.1 nicm 780: screen_write_start(&ctx, NULL, &c->status);
781: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 782: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
783: while (c->status.cx < screen_size_x(&c->status))
784: screen_write_putc(&ctx, &gc, ' ');
785: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 786:
1.152 nicm 787: left = c->tty.sx - start;
788: if (left == 0)
789: goto finished;
790:
791: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
792: pwidth = utf8_strwidth(c->prompt_buffer, -1);
793: if (pcursor >= left) {
794: /*
795: * The cursor would be outside the screen so start drawing
796: * with it on the right.
797: */
798: offset = (pcursor - left) + 1;
799: pwidth = left;
800: } else
801: offset = 0;
802: if (pwidth > left)
803: pwidth = left;
804:
805: width = 0;
806: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
807: if (width < offset) {
808: width += c->prompt_buffer[i].width;
809: continue;
1.1 nicm 810: }
1.152 nicm 811: if (width >= offset + pwidth)
812: break;
813: width += c->prompt_buffer[i].width;
814: if (width > offset + pwidth)
815: break;
1.1 nicm 816:
1.152 nicm 817: if (i != c->prompt_index) {
818: utf8_copy(&gc.data, &c->prompt_buffer[i]);
819: screen_write_cell(&ctx, &gc);
820: } else {
821: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
822: screen_write_cell(&ctx, &cursorgc);
823: }
1.1 nicm 824: }
1.152 nicm 825: if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i)
826: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 827:
1.152 nicm 828: finished:
1.1 nicm 829: screen_write_stop(&ctx);
1.51 nicm 830:
1.1 nicm 831: if (grid_compare(c->status.grid, old_status.grid) == 0) {
832: screen_free(&old_status);
833: return (0);
834: }
835: screen_free(&old_status);
836: return (1);
837: }
838:
1.152 nicm 839: /* Is this a separator? */
840: static int
841: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
842: {
843: if (ud->size != 1 || ud->width != 1)
844: return (0);
845: return (strchr(ws, *ud->data) != NULL);
846: }
847:
848: /* Is this a space? */
849: static int
850: status_prompt_space(const struct utf8_data *ud)
851: {
852: if (ud->size != 1 || ud->width != 1)
853: return (0);
854: return (*ud->data == ' ');
855: }
856:
1.1 nicm 857: /* Handle keys in prompt. */
858: void
1.138 nicm 859: status_prompt_key(struct client *c, key_code key)
1.1 nicm 860: {
1.152 nicm 861: struct options *oo = c->session->options;
1.1 nicm 862: struct paste_buffer *pb;
1.152 nicm 863: char *s, word[64];
864: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 865: u_char ch;
1.152 nicm 866: size_t size, n, off, idx, bufsize, used;
867: struct utf8_data tmp, *first, *last, *ud;
1.1 nicm 868:
1.152 nicm 869: size = utf8_strlen(c->prompt_buffer);
1.153 ! nicm 870: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 871: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 872: if (c->prompt_index > 0) {
873: c->prompt_index--;
874: c->flags |= CLIENT_STATUS;
875: }
876: break;
1.79 nicm 877: case MODEKEYEDIT_SWITCHMODE:
878: c->flags |= CLIENT_STATUS;
879: break;
1.20 nicm 880: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 881: c->flags |= CLIENT_STATUS;
882: /* FALLTHROUGH */
1.20 nicm 883: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 884: if (c->prompt_index < size) {
885: c->prompt_index++;
886: c->flags |= CLIENT_STATUS;
887: }
888: break;
1.89 nicm 889: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
890: c->flags |= CLIENT_STATUS;
891: /* FALLTHROUGH */
1.20 nicm 892: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 893: if (c->prompt_index != 0) {
894: c->prompt_index = 0;
895: c->flags |= CLIENT_STATUS;
896: }
897: break;
1.89 nicm 898: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
899: c->flags |= CLIENT_STATUS;
900: /* FALLTHROUGH */
1.20 nicm 901: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 902: if (c->prompt_index != size) {
903: c->prompt_index = size;
904: c->flags |= CLIENT_STATUS;
905: }
906: break;
1.20 nicm 907: case MODEKEYEDIT_COMPLETE:
1.152 nicm 908: if (c->prompt_buffer[0].size == 0)
1.1 nicm 909: break;
910:
911: idx = c->prompt_index;
912: if (idx != 0)
913: idx--;
914:
915: /* Find the word we are in. */
1.152 nicm 916: first = &c->prompt_buffer[idx];
917: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 918: first--;
1.152 nicm 919: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 920: first++;
1.152 nicm 921: last = &c->prompt_buffer[idx];
922: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 923: last++;
1.152 nicm 924: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 925: last--;
1.152 nicm 926: if (last->size != 0)
1.1 nicm 927: last++;
1.152 nicm 928: if (last <= first)
929: break;
930:
931: used = 0;
932: for (ud = first; ud < last; ud++) {
933: if (used + ud->size >= sizeof word)
934: break;
935: memcpy(word + used, ud->data, ud->size);
936: used += ud->size;
937: }
938: if (ud != last)
1.1 nicm 939: break;
1.152 nicm 940: word[used] = '\0';
1.1 nicm 941:
942: /* And try to complete it. */
1.152 nicm 943: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 944: break;
945:
946: /* Trim out word. */
947: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 948: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 949: size -= last - first;
950:
951: /* Insert the new word. */
1.55 nicm 952: size += strlen(s);
1.1 nicm 953: off = first - c->prompt_buffer;
1.152 nicm 954: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
955: sizeof *c->prompt_buffer);
1.1 nicm 956: first = c->prompt_buffer + off;
1.152 nicm 957: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
958: for (idx = 0; idx < strlen(s); idx++)
959: utf8_set(&first[idx], s[idx]);
1.1 nicm 960:
961: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 962: free(s);
1.1 nicm 963:
964: c->flags |= CLIENT_STATUS;
965: break;
1.20 nicm 966: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 967: if (c->prompt_index != 0) {
968: if (c->prompt_index == size)
1.152 nicm 969: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 970: else {
971: memmove(c->prompt_buffer + c->prompt_index - 1,
972: c->prompt_buffer + c->prompt_index,
1.152 nicm 973: (size + 1 - c->prompt_index) *
974: sizeof *c->prompt_buffer);
1.1 nicm 975: c->prompt_index--;
976: }
977: c->flags |= CLIENT_STATUS;
978: }
979: break;
1.55 nicm 980: case MODEKEYEDIT_DELETE:
1.105 nicm 981: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 982: if (c->prompt_index != size) {
983: memmove(c->prompt_buffer + c->prompt_index,
984: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 985: (size + 1 - c->prompt_index) *
986: sizeof *c->prompt_buffer);
1.18 nicm 987: c->flags |= CLIENT_STATUS;
988: }
1.26 nicm 989: break;
990: case MODEKEYEDIT_DELETELINE:
1.105 nicm 991: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.152 nicm 992: c->prompt_buffer[0].size = 0;
1.26 nicm 993: c->prompt_index = 0;
994: c->flags |= CLIENT_STATUS;
1.18 nicm 995: break;
1.20 nicm 996: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 997: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 998: if (c->prompt_index < size) {
1.152 nicm 999: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1000: c->flags |= CLIENT_STATUS;
1001: }
1002: break;
1.81 nicm 1003: case MODEKEYEDIT_DELETEWORD:
1.152 nicm 1004: ws = options_get_string(oo, "word-separators");
1.81 nicm 1005: idx = c->prompt_index;
1006:
1007: /* Find a non-separator. */
1008: while (idx != 0) {
1009: idx--;
1.152 nicm 1010: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1011: break;
1012: }
1013:
1014: /* Find the separator at the beginning of the word. */
1015: while (idx != 0) {
1016: idx--;
1.152 nicm 1017: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1018: /* Go back to the word. */
1019: idx++;
1020: break;
1021: }
1022: }
1023:
1024: memmove(c->prompt_buffer + idx,
1025: c->prompt_buffer + c->prompt_index,
1.152 nicm 1026: (size + 1 - c->prompt_index) *
1027: sizeof *c->prompt_buffer);
1.81 nicm 1028: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1029: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1030: c->prompt_index = idx;
1.152 nicm 1031:
1.81 nicm 1032: c->flags |= CLIENT_STATUS;
1033: break;
1.83 nicm 1034: case MODEKEYEDIT_NEXTSPACE:
1.152 nicm 1035: ws = " ";
1.83 nicm 1036: /* FALLTHROUGH */
1.81 nicm 1037: case MODEKEYEDIT_NEXTWORD:
1.152 nicm 1038: if (ws == NULL)
1039: ws = options_get_string(oo, "word-separators");
1.81 nicm 1040:
1041: /* Find a separator. */
1042: while (c->prompt_index != size) {
1.152 nicm 1043: idx = ++c->prompt_index;
1044: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1045: break;
1046: }
1047:
1.152 nicm 1048: /* Find the word right after the separator. */
1.81 nicm 1049: while (c->prompt_index != size) {
1.152 nicm 1050: idx = ++c->prompt_index;
1051: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1052: break;
1053: }
1054:
1055: c->flags |= CLIENT_STATUS;
1056: break;
1.83 nicm 1057: case MODEKEYEDIT_NEXTSPACEEND:
1.152 nicm 1058: ws = " ";
1.83 nicm 1059: /* FALLTHROUGH */
1.81 nicm 1060: case MODEKEYEDIT_NEXTWORDEND:
1.152 nicm 1061: if (ws == NULL)
1062: ws = options_get_string(oo, "word-separators");
1.81 nicm 1063:
1064: /* Find a word. */
1065: while (c->prompt_index != size) {
1.152 nicm 1066: idx = ++c->prompt_index;
1067: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1068: break;
1069: }
1070:
1071: /* Find the separator at the end of the word. */
1072: while (c->prompt_index != size) {
1.152 nicm 1073: idx = ++c->prompt_index;
1074: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1075: break;
1076: }
1.106 nicm 1077:
1078: /* Back up to the end-of-word like vi. */
1079: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1080: c->prompt_index != 0)
1081: c->prompt_index--;
1.81 nicm 1082:
1083: c->flags |= CLIENT_STATUS;
1084: break;
1.83 nicm 1085: case MODEKEYEDIT_PREVIOUSSPACE:
1.152 nicm 1086: ws = " ";
1.83 nicm 1087: /* FALLTHROUGH */
1.81 nicm 1088: case MODEKEYEDIT_PREVIOUSWORD:
1.152 nicm 1089: if (ws == NULL)
1090: ws = options_get_string(oo, "word-separators");
1.81 nicm 1091:
1092: /* Find a non-separator. */
1093: while (c->prompt_index != 0) {
1.152 nicm 1094: idx = --c->prompt_index;
1095: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1096: break;
1097: }
1098:
1099: /* Find the separator at the beginning of the word. */
1100: while (c->prompt_index != 0) {
1.152 nicm 1101: idx = --c->prompt_index;
1102: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1103: /* Go back to the word. */
1104: c->prompt_index++;
1105: break;
1106: }
1107: }
1108:
1109: c->flags |= CLIENT_STATUS;
1110: break;
1.20 nicm 1111: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1112: histstr = status_prompt_up_history(&c->prompt_hindex);
1113: if (histstr == NULL)
1.1 nicm 1114: break;
1.94 nicm 1115: free(c->prompt_buffer);
1.152 nicm 1116: c->prompt_buffer = utf8_fromcstr(histstr);
1117: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 1118: c->flags |= CLIENT_STATUS;
1119: break;
1.20 nicm 1120: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1121: histstr = status_prompt_down_history(&c->prompt_hindex);
1122: if (histstr == NULL)
1.65 nicm 1123: break;
1.94 nicm 1124: free(c->prompt_buffer);
1.152 nicm 1125: c->prompt_buffer = utf8_fromcstr(histstr);
1126: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 1127: c->flags |= CLIENT_STATUS;
1128: break;
1.20 nicm 1129: case MODEKEYEDIT_PASTE:
1.134 nicm 1130: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1131: break;
1.134 nicm 1132: bufdata = paste_buffer_data(pb, &bufsize);
1133: for (n = 0; n < bufsize; n++) {
1134: ch = (u_char)bufdata[n];
1.152 nicm 1135: if (ch < 32 || ch >= 127)
1.32 nicm 1136: break;
1137: }
1.1 nicm 1138:
1.152 nicm 1139: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1140: sizeof *c->prompt_buffer);
1.1 nicm 1141: if (c->prompt_index == size) {
1.152 nicm 1142: for (idx = 0; idx < n; idx++) {
1143: ud = &c->prompt_buffer[c->prompt_index + idx];
1144: utf8_set(ud, bufdata[idx]);
1145: }
1.1 nicm 1146: c->prompt_index += n;
1.152 nicm 1147: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1148: } else {
1149: memmove(c->prompt_buffer + c->prompt_index + n,
1150: c->prompt_buffer + c->prompt_index,
1.152 nicm 1151: (size + 1 - c->prompt_index) *
1152: sizeof *c->prompt_buffer);
1153: for (idx = 0; idx < n; idx++) {
1154: ud = &c->prompt_buffer[c->prompt_index + idx];
1155: utf8_set(ud, bufdata[idx]);
1156: }
1.1 nicm 1157: c->prompt_index += n;
1158: }
1159:
1160: c->flags |= CLIENT_STATUS;
1.30 nicm 1161: break;
1162: case MODEKEYEDIT_TRANSPOSECHARS:
1163: idx = c->prompt_index;
1164: if (idx < size)
1165: idx++;
1166: if (idx >= 2) {
1.152 nicm 1167: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1168: utf8_copy(&c->prompt_buffer[idx - 2],
1169: &c->prompt_buffer[idx - 1]);
1170: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1171: c->prompt_index = idx;
1172: c->flags |= CLIENT_STATUS;
1173: }
1.1 nicm 1174: break;
1.55 nicm 1175: case MODEKEYEDIT_ENTER:
1.152 nicm 1176: s = utf8_tocstr(c->prompt_buffer);
1177: if (*s != '\0')
1178: status_prompt_add_history(s);
1179: if (c->prompt_callbackfn(c->prompt_data, s) == 0)
1.25 nicm 1180: status_prompt_clear(c);
1.152 nicm 1181: free(s);
1.25 nicm 1182: break;
1.20 nicm 1183: case MODEKEYEDIT_CANCEL:
1.12 nicm 1184: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1185: status_prompt_clear(c);
1186: break;
1.20 nicm 1187: case MODEKEY_OTHER:
1.152 nicm 1188: if (key <= 0x1f || key >= KEYC_BASE)
1189: break;
1190: if (utf8_split(key, &tmp) != UTF8_DONE)
1.1 nicm 1191: break;
1.152 nicm 1192:
1193: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1194: sizeof *c->prompt_buffer);
1.1 nicm 1195:
1196: if (c->prompt_index == size) {
1.152 nicm 1197: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1198: c->prompt_index++;
1199: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1200: } else {
1201: memmove(c->prompt_buffer + c->prompt_index + 1,
1202: c->prompt_buffer + c->prompt_index,
1.152 nicm 1203: (size + 1 - c->prompt_index) *
1204: sizeof *c->prompt_buffer);
1205: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1206: c->prompt_index++;
1.1 nicm 1207: }
1208:
1209: if (c->prompt_flags & PROMPT_SINGLE) {
1.152 nicm 1210: s = utf8_tocstr(c->prompt_buffer);
1211: if (strlen(s) != 1)
1212: status_prompt_clear(c);
1213: else if (c->prompt_callbackfn(c->prompt_data, s) == 0)
1.1 nicm 1214: status_prompt_clear(c);
1.152 nicm 1215: free(s);
1.1 nicm 1216: }
1217:
1218: c->flags |= CLIENT_STATUS;
1219: break;
1220: default:
1221: break;
1222: }
1223: }
1224:
1.65 nicm 1225: /* Get previous line from the history. */
1.151 nicm 1226: static const char *
1.65 nicm 1227: status_prompt_up_history(u_int *idx)
1228: {
1229: /*
1.128 nicm 1230: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1231: * empty.
1.65 nicm 1232: */
1233:
1.128 nicm 1234: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1235: return (NULL);
1236: (*idx)++;
1.128 nicm 1237: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1238: }
1239:
1240: /* Get next line from the history. */
1.151 nicm 1241: static const char *
1.65 nicm 1242: status_prompt_down_history(u_int *idx)
1243: {
1.128 nicm 1244: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1245: return ("");
1246: (*idx)--;
1247: if (*idx == 0)
1248: return ("");
1.128 nicm 1249: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1250: }
1251:
1.1 nicm 1252: /* Add line to the history. */
1.151 nicm 1253: static void
1.65 nicm 1254: status_prompt_add_history(const char *line)
1.1 nicm 1255: {
1.128 nicm 1256: size_t size;
1.65 nicm 1257:
1.128 nicm 1258: if (status_prompt_hsize > 0 &&
1259: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1260: return;
1261:
1.128 nicm 1262: if (status_prompt_hsize == PROMPT_HISTORY) {
1263: free(status_prompt_hlist[0]);
1.1 nicm 1264:
1.128 nicm 1265: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1266: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1267:
1.128 nicm 1268: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1269: return;
1270: }
1.1 nicm 1271:
1.128 nicm 1272: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1273: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1274: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1275: }
1276:
1277: /* Build completion list. */
1.151 nicm 1278: static const char **
1.128 nicm 1279: status_prompt_complete_list(u_int *size, const char *s)
1280: {
1281: const char **list = NULL, **layout;
1282: const struct cmd_entry **cmdent;
1283: const struct options_table_entry *oe;
1284: const char *layouts[] = {
1285: "even-horizontal", "even-vertical", "main-horizontal",
1286: "main-vertical", "tiled", NULL
1287: };
1.1 nicm 1288:
1.128 nicm 1289: *size = 0;
1.1 nicm 1290: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1291: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1292: list = xreallocarray(list, (*size) + 1, sizeof *list);
1293: list[(*size)++] = (*cmdent)->name;
1294: }
1.56 nicm 1295: }
1.142 nicm 1296: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1297: if (strncmp(oe->name, s, strlen(s)) == 0) {
1298: list = xreallocarray(list, (*size) + 1, sizeof *list);
1299: list[(*size)++] = oe->name;
1300: }
1301: }
1302: for (layout = layouts; *layout != NULL; layout++) {
1303: if (strncmp(*layout, s, strlen(s)) == 0) {
1304: list = xreallocarray(list, (*size) + 1, sizeof *list);
1305: list[(*size)++] = *layout;
1306: }
1307: }
1308: return (list);
1309: }
1310:
1311: /* Find longest prefix. */
1.151 nicm 1312: static char *
1.128 nicm 1313: status_prompt_complete_prefix(const char **list, u_int size)
1314: {
1315: char *out;
1316: u_int i;
1317: size_t j;
1318:
1319: out = xstrdup(list[0]);
1320: for (i = 1; i < size; i++) {
1321: j = strlen(list[i]);
1322: if (j > strlen(out))
1323: j = strlen(out);
1324: for (; j > 0; j--) {
1325: if (out[j - 1] != list[i][j - 1])
1326: out[j - 1] = '\0';
1327: }
1.1 nicm 1328: }
1.128 nicm 1329: return (out);
1330: }
1.1 nicm 1331:
1.128 nicm 1332: /* Complete word. */
1.151 nicm 1333: static char *
1.152 nicm 1334: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1335: {
1336: const char **list = NULL, *colon;
1337: u_int size = 0, i;
1338: struct session *s_loop;
1339: struct winlink *wl;
1340: struct window *w;
1341: char *copy, *out, *tmp;
1342:
1343: if (*s == '\0')
1.1 nicm 1344: return (NULL);
1.128 nicm 1345: out = NULL;
1346:
1347: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1348: list = status_prompt_complete_list(&size, s);
1349: if (size == 0)
1350: out = NULL;
1351: else if (size == 1)
1352: xasprintf(&out, "%s ", list[0]);
1353: else
1354: out = status_prompt_complete_prefix(list, size);
1355: free(list);
1356: return (out);
1357: }
1358: copy = xstrdup(s);
1359:
1360: colon = ":";
1361: if (copy[strlen(copy) - 1] == ':')
1362: copy[strlen(copy) - 1] = '\0';
1363: else
1364: colon = "";
1365: s = copy + 2;
1.1 nicm 1366:
1.128 nicm 1367: RB_FOREACH(s_loop, sessions, &sessions) {
1368: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1369: list = xreallocarray(list, size + 2, sizeof *list);
1370: list[size++] = s_loop->name;
1371: }
1372: }
1373: if (size == 1) {
1374: out = xstrdup(list[0]);
1375: if (session_find(list[0]) != NULL)
1376: colon = ":";
1377: } else if (size != 0)
1378: out = status_prompt_complete_prefix(list, size);
1379: if (out != NULL) {
1380: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1381: out = tmp;
1382: goto found;
1383: }
1384:
1385: colon = "";
1386: if (*s == ':') {
1.152 nicm 1387: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1388: xasprintf(&tmp, ":%s", wl->window->name);
1389: if (strncmp(tmp, s, strlen(s)) == 0){
1390: list = xreallocarray(list, size + 1,
1391: sizeof *list);
1392: list[size++] = tmp;
1393: continue;
1394: }
1395: free(tmp);
1.1 nicm 1396:
1.128 nicm 1397: xasprintf(&tmp, ":%d", wl->idx);
1398: if (strncmp(tmp, s, strlen(s)) == 0) {
1399: list = xreallocarray(list, size + 1,
1400: sizeof *list);
1401: list[size++] = tmp;
1402: continue;
1403: }
1404: free(tmp);
1405: }
1406: } else {
1407: RB_FOREACH(s_loop, sessions, &sessions) {
1408: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1409: w = wl->window;
1410:
1411: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1412: if (strncmp(tmp, s, strlen(s)) == 0) {
1413: list = xreallocarray(list, size + 1,
1414: sizeof *list);
1415: list[size++] = tmp;
1416: continue;
1417: }
1418: free(tmp);
1419:
1420: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1421: if (strncmp(tmp, s, strlen(s)) == 0) {
1422: list = xreallocarray(list, size + 1,
1423: sizeof *list);
1424: list[size++] = tmp;
1425: continue;
1426: }
1427: free(tmp);
1428: }
1.1 nicm 1429: }
1430: }
1.128 nicm 1431: if (size == 1) {
1432: out = xstrdup(list[0]);
1433: colon = " ";
1434: } else if (size != 0)
1435: out = status_prompt_complete_prefix(list, size);
1436: if (out != NULL) {
1437: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1438: out = tmp;
1439: }
1440:
1441: for (i = 0; i < size; i++)
1442: free((void *)list[i]);
1443:
1444: found:
1445: free(copy);
1446: free(list);
1447: return (out);
1.1 nicm 1448: }
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