Annotation of src/usr.bin/tmux/status.c, Revision 1.179
1.179 ! nicm 1: /* $OpenBSD: status.c,v 1.178 2018/08/20 20:41:58 nicm Exp $ */
1.1 nicm 2:
3: /*
1.148 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/time.h>
21:
22: #include <errno.h>
23: #include <limits.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <time.h>
28: #include <unistd.h>
29:
30: #include "tmux.h"
31:
1.151 nicm 32: static char *status_redraw_get_left(struct client *, time_t,
33: struct grid_cell *, size_t *);
34: static char *status_redraw_get_right(struct client *, time_t,
35: struct grid_cell *, size_t *);
36: static char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: static char *status_replace(struct client *, struct winlink *, const char *,
39: time_t);
40: static void status_message_callback(int, short, void *);
41: static void status_timer_callback(int, short, void *);
42:
43: static char *status_prompt_find_history_file(void);
44: static const char *status_prompt_up_history(u_int *);
45: static const char *status_prompt_down_history(u_int *);
46: static void status_prompt_add_history(const char *);
47:
48: static const char **status_prompt_complete_list(u_int *, const char *);
49: static char *status_prompt_complete_prefix(const char **, u_int);
50: static char *status_prompt_complete(struct session *, const char *);
1.130 nicm 51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
1.151 nicm 54: static char **status_prompt_hlist;
55: static u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
1.151 nicm 58: static char *
1.130 nicm 59: status_prompt_find_history_file(void)
60: {
61: const char *home, *history_file;
62: char *path;
63:
1.137 nicm 64: history_file = options_get_string(global_options, "history-file");
1.130 nicm 65: if (*history_file == '\0')
66: return (NULL);
67: if (*history_file == '/')
68: return (xstrdup(history_file));
69:
70: if (history_file[0] != '~' || history_file[1] != '/')
71: return (NULL);
72: if ((home = find_home()) == NULL)
73: return (NULL);
74: xasprintf(&path, "%s%s", home, history_file + 1);
75: return (path);
76: }
77:
78: /* Load status prompt history from file. */
79: void
80: status_prompt_load_history(void)
81: {
82: FILE *f;
83: char *history_file, *line, *tmp;
84: size_t length;
85:
86: if ((history_file = status_prompt_find_history_file()) == NULL)
87: return;
88: log_debug("loading history from %s", history_file);
89:
90: f = fopen(history_file, "r");
91: if (f == NULL) {
92: log_debug("%s: %s", history_file, strerror(errno));
93: free(history_file);
94: return;
95: }
96: free(history_file);
97:
98: for (;;) {
99: if ((line = fgetln(f, &length)) == NULL)
100: break;
101:
102: if (length > 0) {
103: if (line[length - 1] == '\n') {
104: line[length - 1] = '\0';
105: status_prompt_add_history(line);
106: } else {
107: tmp = xmalloc(length + 1);
108: memcpy(tmp, line, length);
109: tmp[length] = '\0';
110: status_prompt_add_history(tmp);
111: free(tmp);
112: }
113: }
114: }
115: fclose(f);
116: }
117:
118: /* Save status prompt history to file. */
119: void
120: status_prompt_save_history(void)
121: {
122: FILE *f;
123: u_int i;
124: char *history_file;
125:
126: if ((history_file = status_prompt_find_history_file()) == NULL)
127: return;
128: log_debug("saving history to %s", history_file);
129:
130: f = fopen(history_file, "w");
131: if (f == NULL) {
132: log_debug("%s: %s", history_file, strerror(errno));
133: free(history_file);
134: return;
135: }
136: free(history_file);
137:
138: for (i = 0; i < status_prompt_hsize; i++) {
139: fputs(status_prompt_hlist[i], f);
140: fputc('\n', f);
141: }
142: fclose(f);
143:
1.87 nicm 144: }
145:
1.133 nicm 146: /* Status timer callback. */
1.151 nicm 147: static void
1.141 nicm 148: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 149: {
150: struct client *c = arg;
151: struct session *s = c->session;
152: struct timeval tv;
153:
1.175 nicm 154: evtimer_del(&c->status.timer);
1.133 nicm 155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
1.177 nicm 160: c->flags |= CLIENT_REDRAWSTATUS;
1.133 nicm 161:
162: timerclear(&tv);
1.137 nicm 163: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 164:
165: if (tv.tv_sec != 0)
1.175 nicm 166: evtimer_add(&c->status.timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
1.175 nicm 176: if (event_initialized(&c->status.timer))
177: evtimer_del(&c->status.timer);
1.133 nicm 178: else
1.175 nicm 179: evtimer_set(&c->status.timer, status_timer_callback, c);
1.133 nicm 180:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.161 nicm 195: /* Update status cache. */
196: void
197: status_update_saved(struct session *s)
198: {
199: if (!options_get_number(s->options, "status"))
200: s->statusat = -1;
201: else if (options_get_number(s->options, "status-position") == 0)
202: s->statusat = 0;
203: else
204: s->statusat = 1;
205: }
206:
1.87 nicm 207: /* Get screen line of status line. -1 means off. */
208: int
209: status_at_line(struct client *c)
210: {
211: struct session *s = c->session;
212:
1.169 nicm 213: if (c->flags & CLIENT_STATUSOFF)
214: return (-1);
1.161 nicm 215: if (s->statusat != 1)
216: return (s->statusat);
1.169 nicm 217: return (c->tty.sy - status_line_size(s));
218: }
219:
220: /*
221: * Get size of status line for session. 0 means off. Note that status line may
222: * be forced off for an individual client if it is too small (the
223: * CLIENT_STATUSOFF flag is set for this).
224: */
225: u_int
226: status_line_size(struct session *s)
227: {
228: if (s->statusat == -1)
229: return (0);
230: return (1);
1.71 nicm 231: }
232:
1.48 nicm 233: /* Retrieve options for left string. */
1.151 nicm 234: static char *
1.139 nicm 235: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
236: size_t *size)
1.48 nicm 237: {
238: struct session *s = c->session;
1.120 nicm 239: const char *template;
1.48 nicm 240: char *left;
241: size_t leftlen;
242:
1.137 nicm 243: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 244:
1.137 nicm 245: template = options_get_string(s->options, "status-left");
1.123 nicm 246: left = status_replace(c, NULL, template, t);
1.48 nicm 247:
1.137 nicm 248: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 249: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 250: if (leftlen < *size)
251: *size = leftlen;
252: return (left);
253: }
254:
255: /* Retrieve options for right string. */
1.151 nicm 256: static char *
1.139 nicm 257: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
258: size_t *size)
1.48 nicm 259: {
260: struct session *s = c->session;
1.120 nicm 261: const char *template;
1.48 nicm 262: char *right;
263: size_t rightlen;
264:
1.137 nicm 265: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 266:
1.137 nicm 267: template = options_get_string(s->options, "status-right");
1.123 nicm 268: right = status_replace(c, NULL, template, t);
1.48 nicm 269:
1.137 nicm 270: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 271: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 272: if (rightlen < *size)
273: *size = rightlen;
274: return (right);
275: }
276:
1.125 nicm 277: /* Get window at window list position. */
278: struct window *
279: status_get_window_at(struct client *c, u_int x)
1.73 nicm 280: {
281: struct session *s = c->session;
282: struct winlink *wl;
1.115 nicm 283: struct options *oo;
1.149 nicm 284: const char *sep;
285: size_t seplen;
1.73 nicm 286:
1.178 nicm 287: x += c->status.window_list_offset;
1.73 nicm 288: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 289: oo = wl->window->options;
1.149 nicm 290:
291: sep = options_get_string(oo, "window-status-separator");
292: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 293:
1.125 nicm 294: if (x < wl->status_width)
295: return (wl->window);
1.149 nicm 296: x -= wl->status_width + seplen;
1.73 nicm 297: }
1.125 nicm 298: return (NULL);
1.73 nicm 299: }
300:
1.1 nicm 301: /* Draw status for client on the last lines of given context. */
302: int
303: status_redraw(struct client *c)
304: {
1.159 nicm 305: struct screen_write_ctx ctx;
306: struct session *s = c->session;
307: struct winlink *wl;
308: struct screen old_status, window_list;
309: struct grid_cell stdgc, lgc, rgc, gc;
310: struct options *oo;
311: time_t t;
312: char *left, *right;
313: const char *sep;
1.169 nicm 314: u_int offset, needed, lines;
1.159 nicm 315: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
316: size_t llen, rlen, seplen;
317: int larrow, rarrow;
1.1 nicm 318:
1.167 nicm 319: /* Delete the saved status line, if any. */
1.175 nicm 320: if (c->status.old_status != NULL) {
321: screen_free(c->status.old_status);
322: free(c->status.old_status);
323: c->status.old_status = NULL;
1.167 nicm 324: }
325:
1.49 nicm 326: /* No status line? */
1.169 nicm 327: lines = status_line_size(s);
328: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 329: return (1);
1.48 nicm 330: left = right = NULL;
1.7 nicm 331: larrow = rarrow = 0;
1.1 nicm 332:
1.133 nicm 333: /* Store current time. */
334: t = time(NULL);
1.48 nicm 335:
336: /* Set up default colour. */
1.137 nicm 337: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 338:
1.48 nicm 339: /* Create the target screen. */
1.175 nicm 340: memcpy(&old_status, &c->status.status, sizeof old_status);
341: screen_init(&c->status.status, c->tty.sx, lines, 0);
342: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 343: for (offset = 0; offset < lines * c->tty.sx; offset++)
344: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 345: screen_write_stop(&ctx);
346:
1.169 nicm 347: /* If the height is too small, blank status line. */
348: if (c->tty.sy < lines)
1.48 nicm 349: goto out;
1.1 nicm 350:
1.48 nicm 351: /* Work out left and right strings. */
352: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 353: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 354: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 355: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 356:
357: /*
1.48 nicm 358: * Figure out how much space we have for the window list. If there
359: * isn't enough space, just show a blank status line.
1.1 nicm 360: */
1.55 nicm 361: needed = 0;
1.1 nicm 362: if (llen != 0)
1.118 nicm 363: needed += llen;
1.1 nicm 364: if (rlen != 0)
1.118 nicm 365: needed += rlen;
1.48 nicm 366: if (c->tty.sx == 0 || c->tty.sx <= needed)
367: goto out;
368: wlavailable = c->tty.sx - needed;
1.1 nicm 369:
1.48 nicm 370: /* Calculate the total size needed for the window list. */
371: wlstart = wloffset = wlwidth = 0;
1.1 nicm 372: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 373: free(wl->status_text);
1.48 nicm 374: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
375: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 376: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 377:
1.1 nicm 378: if (wl == s->curw)
1.48 nicm 379: wloffset = wlwidth;
1.91 nicm 380:
1.137 nicm 381: oo = wl->window->options;
1.91 nicm 382: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 383: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 384: wlwidth += wl->status_width + seplen;
1.48 nicm 385: }
386:
387: /* Create a new screen for the window list. */
388: screen_init(&window_list, wlwidth, 1, 0);
389:
390: /* And draw the window list into it. */
391: screen_write_start(&ctx, NULL, &window_list);
392: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 393: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
394: wl->status_text);
1.91 nicm 395:
1.137 nicm 396: oo = wl->window->options;
1.91 nicm 397: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 398: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 399: }
1.48 nicm 400: screen_write_stop(&ctx);
1.1 nicm 401:
1.48 nicm 402: /* If there is enough space for the total width, skip to draw now. */
403: if (wlwidth <= wlavailable)
1.1 nicm 404: goto draw;
405:
406: /* Find size of current window text. */
1.48 nicm 407: wlsize = s->curw->status_width;
1.1 nicm 408:
409: /*
1.48 nicm 410: * If the current window is already on screen, good to draw from the
1.1 nicm 411: * start and just leave off the end.
412: */
1.48 nicm 413: if (wloffset + wlsize < wlavailable) {
414: if (wlavailable > 0) {
415: rarrow = 1;
416: wlavailable--;
417: }
418: wlwidth = wlavailable;
419: } else {
420: /*
421: * Work out how many characters we need to omit from the
422: * start. There are wlavailable characters to fill, and
423: * wloffset + wlsize must be the last. So, the start character
424: * is wloffset + wlsize - wlavailable.
425: */
426: if (wlavailable > 0) {
427: larrow = 1;
428: wlavailable--;
429: }
1.55 nicm 430:
1.48 nicm 431: wlstart = wloffset + wlsize - wlavailable;
432: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 433: rarrow = 1;
1.48 nicm 434: wlstart++;
435: wlavailable--;
1.1 nicm 436: }
1.48 nicm 437: wlwidth = wlavailable;
438: }
1.1 nicm 439:
1.48 nicm 440: /* Bail if anything is now too small too. */
441: if (wlwidth == 0 || wlavailable == 0) {
442: screen_free(&window_list);
443: goto out;
1.1 nicm 444: }
445:
446: /*
1.48 nicm 447: * Now the start position is known, work out the state of the left and
448: * right arrows.
1.1 nicm 449: */
450: offset = 0;
451: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 452: if (wl->flags & WINLINK_ALERTFLAGS &&
453: larrow == 1 && offset < wlstart)
454: larrow = -1;
1.1 nicm 455:
1.48 nicm 456: offset += wl->status_width;
1.1 nicm 457:
1.63 nicm 458: if (wl->flags & WINLINK_ALERTFLAGS &&
459: rarrow == 1 && offset > wlstart + wlwidth)
460: rarrow = -1;
1.1 nicm 461: }
462:
1.48 nicm 463: draw:
1.55 nicm 464: /* Begin drawing. */
1.175 nicm 465: screen_write_start(&ctx, NULL, &c->status.status);
1.1 nicm 466:
1.48 nicm 467: /* Draw the left string and arrow. */
468: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 469: if (llen != 0)
1.139 nicm 470: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 471: if (larrow != 0) {
472: memcpy(&gc, &stdgc, sizeof gc);
473: if (larrow == -1)
474: gc.attr ^= GRID_ATTR_REVERSE;
475: screen_write_putc(&ctx, &gc, '<');
476: }
1.48 nicm 477:
478: /* Draw the right string and arrow. */
1.1 nicm 479: if (rarrow != 0) {
1.118 nicm 480: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 481: memcpy(&gc, &stdgc, sizeof gc);
482: if (rarrow == -1)
483: gc.attr ^= GRID_ATTR_REVERSE;
484: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 485: } else
1.118 nicm 486: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
487: if (rlen != 0)
1.139 nicm 488: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 489:
1.48 nicm 490: /* Figure out the offset for the window list. */
1.58 nicm 491: if (llen != 0)
1.118 nicm 492: wloffset = llen;
1.58 nicm 493: else
494: wloffset = 0;
1.48 nicm 495: if (wlwidth < wlavailable) {
1.137 nicm 496: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 497: case 1: /* centred */
1.58 nicm 498: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 499: break;
500: case 2: /* right */
1.58 nicm 501: wloffset += (wlavailable - wlwidth);
1.48 nicm 502: break;
503: }
504: }
505: if (larrow != 0)
506: wloffset++;
507:
508: /* Copy the window list. */
1.178 nicm 509: c->status.window_list_offset = -wloffset + wlstart;
1.48 nicm 510: screen_write_cursormove(&ctx, wloffset, 0);
1.171 nicm 511: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 512: screen_free(&window_list);
1.179 ! nicm 513:
! 514: /* Save left and right size. */
! 515: c->status.left_size = llen;
! 516: c->status.right_size = rlen;
1.1 nicm 517:
1.48 nicm 518: screen_write_stop(&ctx);
1.1 nicm 519:
520: out:
1.94 nicm 521: free(left);
522: free(right);
1.1 nicm 523:
1.175 nicm 524: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 525: screen_free(&old_status);
526: return (0);
527: }
528: screen_free(&old_status);
529: return (1);
530: }
531:
1.46 nicm 532: /* Replace special sequences in fmt. */
1.151 nicm 533: static char *
1.123 nicm 534: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 535: {
1.96 nicm 536: struct format_tree *ft;
1.129 nicm 537: char *expanded;
1.160 nicm 538: u_int tag;
1.47 nicm 539:
1.93 nicm 540: if (fmt == NULL)
541: return (xstrdup(""));
542:
1.160 nicm 543: if (wl != NULL)
544: tag = FORMAT_WINDOW|wl->window->id;
545: else
546: tag = FORMAT_NONE;
1.135 nicm 547: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 548: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 549: else
1.164 nicm 550: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 551: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 552:
1.129 nicm 553: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 554:
1.99 nicm 555: format_free(ft);
556: return (expanded);
1.1 nicm 557: }
558:
1.46 nicm 559: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 560: static char *
1.120 nicm 561: status_print(struct client *c, struct winlink *wl, time_t t,
562: struct grid_cell *gc)
1.1 nicm 563: {
1.137 nicm 564: struct options *oo = wl->window->options;
1.47 nicm 565: struct session *s = c->session;
566: const char *fmt;
567: char *text;
1.1 nicm 568:
1.108 nicm 569: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 570: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 571: if (wl == s->curw) {
1.108 nicm 572: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 573: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 574: }
1.108 nicm 575: if (wl == TAILQ_FIRST(&s->lastw))
576: style_apply_update(gc, oo, "window-status-last-style");
577:
578: if (wl->flags & WINLINK_BELL)
579: style_apply_update(gc, oo, "window-status-bell-style");
580: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
581: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 582:
1.123 nicm 583: text = status_replace(c, wl, fmt, t);
1.1 nicm 584: return (text);
585: }
586:
1.46 nicm 587: /* Set a status line message. */
1.117 nicm 588: void
1.10 nicm 589: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 590: {
1.162 nicm 591: struct timeval tv;
592: va_list ap;
593: int delay;
1.1 nicm 594:
1.12 nicm 595: status_message_clear(c);
596:
1.175 nicm 597: if (c->status.old_status == NULL) {
598: c->status.old_status = xmalloc(sizeof *c->status.old_status);
599: memcpy(c->status.old_status, &c->status.status,
600: sizeof *c->status.old_status);
601: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 602: }
603:
1.28 nicm 604: va_start(ap, fmt);
605: xvasprintf(&c->message_string, fmt, ap);
606: va_end(ap);
607:
1.162 nicm 608: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 609:
1.137 nicm 610: delay = options_get_number(c->session->options, "display-time");
1.143 tim 611: if (delay > 0) {
612: tv.tv_sec = delay / 1000;
613: tv.tv_usec = (delay % 1000) * 1000L;
614:
615: if (event_initialized(&c->message_timer))
616: evtimer_del(&c->message_timer);
617: evtimer_set(&c->message_timer, status_message_callback, c);
618: evtimer_add(&c->message_timer, &tv);
619: }
1.1 nicm 620:
621: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 622: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 623: }
624:
1.46 nicm 625: /* Clear status line message. */
1.1 nicm 626: void
627: status_message_clear(struct client *c)
628: {
629: if (c->message_string == NULL)
630: return;
631:
1.94 nicm 632: free(c->message_string);
1.1 nicm 633: c->message_string = NULL;
634:
1.156 nicm 635: if (c->prompt_string == NULL)
636: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 637: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 638:
1.175 nicm 639: screen_reinit(&c->status.status);
1.42 nicm 640: }
641:
1.46 nicm 642: /* Clear status line message after timer expires. */
1.151 nicm 643: static void
1.141 nicm 644: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 645: {
646: struct client *c = data;
647:
648: status_message_clear(c);
1.1 nicm 649: }
650:
651: /* Draw client message on status line of present else on last line. */
652: int
653: status_message_redraw(struct client *c)
654: {
655: struct screen_write_ctx ctx;
656: struct session *s = c->session;
657: struct screen old_status;
658: size_t len;
659: struct grid_cell gc;
1.170 nicm 660: u_int lines, offset;
1.1 nicm 661:
662: if (c->tty.sx == 0 || c->tty.sy == 0)
663: return (0);
1.175 nicm 664: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 665:
666: lines = status_line_size(c->session);
1.173 nicm 667: if (lines <= 1) {
668: lines = 1;
1.175 nicm 669: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 670: } else
1.175 nicm 671: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 672:
1.139 nicm 673: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 674: if (len > c->tty.sx)
675: len = c->tty.sx;
676:
1.137 nicm 677: style_apply(&gc, s->options, "message-style");
1.1 nicm 678:
1.175 nicm 679: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 680: screen_write_cursormove(&ctx, 0, 0);
681: for (offset = 0; offset < lines * c->tty.sx; offset++)
682: screen_write_putc(&ctx, &gc, ' ');
1.169 nicm 683: screen_write_cursormove(&ctx, 0, lines - 1);
1.139 nicm 684: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 685: screen_write_stop(&ctx);
686:
1.175 nicm 687: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 688: screen_free(&old_status);
689: return (0);
690: }
691: screen_free(&old_status);
692: return (1);
693: }
694:
1.46 nicm 695: /* Enable status line prompt. */
1.1 nicm 696: void
1.76 nicm 697: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 698: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 699: {
1.122 nicm 700: struct format_tree *ft;
701: time_t t;
1.165 nicm 702: char *tmp, *cp;
1.122 nicm 703:
1.164 nicm 704: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 705: format_defaults(ft, c, NULL, NULL, NULL);
1.168 nicm 706: t = time(NULL);
1.152 nicm 707:
1.168 nicm 708: if (input == NULL)
709: input = "";
710: if (flags & PROMPT_NOFORMAT)
711: tmp = xstrdup(input);
712: else
713: tmp = format_expand_time(ft, input, t);
1.20 nicm 714:
1.12 nicm 715: status_message_clear(c);
716: status_prompt_clear(c);
1.167 nicm 717:
1.175 nicm 718: if (c->status.old_status == NULL) {
719: c->status.old_status = xmalloc(sizeof *c->status.old_status);
720: memcpy(c->status.old_status, &c->status.status,
721: sizeof *c->status.old_status);
722: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 723: }
1.12 nicm 724:
1.124 nicm 725: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 726:
1.152 nicm 727: c->prompt_buffer = utf8_fromcstr(tmp);
728: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 729:
1.166 nicm 730: c->prompt_inputcb = inputcb;
731: c->prompt_freecb = freecb;
1.1 nicm 732: c->prompt_data = data;
733:
734: c->prompt_hindex = 0;
735:
736: c->prompt_flags = flags;
1.155 nicm 737: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 738:
1.158 nicm 739: if (~flags & PROMPT_INCREMENTAL)
740: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 741: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 742:
743: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
744: xasprintf(&cp, "=%s", tmp);
1.166 nicm 745: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 746: free(cp);
747: }
1.122 nicm 748:
1.152 nicm 749: free(tmp);
1.122 nicm 750: format_free(ft);
1.1 nicm 751: }
752:
1.46 nicm 753: /* Remove status line prompt. */
1.1 nicm 754: void
755: status_prompt_clear(struct client *c)
756: {
1.55 nicm 757: if (c->prompt_string == NULL)
1.1 nicm 758: return;
759:
1.166 nicm 760: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
761: c->prompt_freecb(c->prompt_data);
1.1 nicm 762:
1.94 nicm 763: free(c->prompt_string);
1.1 nicm 764: c->prompt_string = NULL;
765:
1.94 nicm 766: free(c->prompt_buffer);
1.1 nicm 767: c->prompt_buffer = NULL;
768:
769: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 770: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 771:
1.175 nicm 772: screen_reinit(&c->status.status);
1.27 nicm 773: }
774:
1.46 nicm 775: /* Update status line prompt with a new prompt string. */
1.27 nicm 776: void
1.76 nicm 777: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 778: {
1.122 nicm 779: struct format_tree *ft;
780: time_t t;
1.152 nicm 781: char *tmp;
1.122 nicm 782:
1.164 nicm 783: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 784: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 785:
1.122 nicm 786: t = time(NULL);
1.152 nicm 787: tmp = format_expand_time(ft, input, t);
1.122 nicm 788:
1.94 nicm 789: free(c->prompt_string);
1.124 nicm 790: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 791:
1.94 nicm 792: free(c->prompt_buffer);
1.152 nicm 793: c->prompt_buffer = utf8_fromcstr(tmp);
794: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 795:
796: c->prompt_hindex = 0;
797:
1.177 nicm 798: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 799:
1.152 nicm 800: free(tmp);
1.122 nicm 801: format_free(ft);
1.1 nicm 802: }
803:
804: /* Draw client prompt on status line of present else on last line. */
805: int
806: status_prompt_redraw(struct client *c)
807: {
1.152 nicm 808: struct screen_write_ctx ctx;
809: struct session *s = c->session;
810: struct screen old_status;
811: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 812: u_int lines;
1.152 nicm 813: struct grid_cell gc, cursorgc;
1.1 nicm 814:
815: if (c->tty.sx == 0 || c->tty.sy == 0)
816: return (0);
1.175 nicm 817: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 818:
819: lines = status_line_size(c->session);
1.173 nicm 820: if (lines <= 1) {
821: lines = 1;
1.175 nicm 822: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 823: } else
1.175 nicm 824: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 825:
1.155 nicm 826: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 827: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 828: else
1.137 nicm 829: style_apply(&gc, s->options, "message-style");
1.1 nicm 830:
1.152 nicm 831: memcpy(&cursorgc, &gc, sizeof cursorgc);
832: cursorgc.attr ^= GRID_ATTR_REVERSE;
833:
834: start = screen_write_strlen("%s", c->prompt_string);
835: if (start > c->tty.sx)
836: start = c->tty.sx;
837:
1.175 nicm 838: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 839: screen_write_cursormove(&ctx, 0, 0);
840: for (offset = 0; offset < lines * c->tty.sx; offset++)
841: screen_write_putc(&ctx, &gc, ' ');
842: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 843: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.170 nicm 844: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 845:
1.152 nicm 846: left = c->tty.sx - start;
847: if (left == 0)
848: goto finished;
849:
850: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
851: pwidth = utf8_strwidth(c->prompt_buffer, -1);
852: if (pcursor >= left) {
853: /*
854: * The cursor would be outside the screen so start drawing
855: * with it on the right.
856: */
857: offset = (pcursor - left) + 1;
858: pwidth = left;
859: } else
860: offset = 0;
861: if (pwidth > left)
862: pwidth = left;
863:
864: width = 0;
865: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
866: if (width < offset) {
867: width += c->prompt_buffer[i].width;
868: continue;
1.1 nicm 869: }
1.152 nicm 870: if (width >= offset + pwidth)
871: break;
872: width += c->prompt_buffer[i].width;
873: if (width > offset + pwidth)
874: break;
1.1 nicm 875:
1.152 nicm 876: if (i != c->prompt_index) {
877: utf8_copy(&gc.data, &c->prompt_buffer[i]);
878: screen_write_cell(&ctx, &gc);
879: } else {
880: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
881: screen_write_cell(&ctx, &cursorgc);
882: }
1.1 nicm 883: }
1.175 nicm 884: if (c->status.status.cx < screen_size_x(&c->status.status) &&
885: c->prompt_index >= i)
1.152 nicm 886: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 887:
1.152 nicm 888: finished:
1.1 nicm 889: screen_write_stop(&ctx);
1.51 nicm 890:
1.175 nicm 891: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 892: screen_free(&old_status);
893: return (0);
894: }
895: screen_free(&old_status);
896: return (1);
897: }
898:
1.152 nicm 899: /* Is this a separator? */
900: static int
901: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
902: {
903: if (ud->size != 1 || ud->width != 1)
904: return (0);
905: return (strchr(ws, *ud->data) != NULL);
906: }
907:
908: /* Is this a space? */
909: static int
910: status_prompt_space(const struct utf8_data *ud)
911: {
912: if (ud->size != 1 || ud->width != 1)
913: return (0);
914: return (*ud->data == ' ');
915: }
916:
1.155 nicm 917: /*
918: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
919: * as an emacs key; return 2 to append to the buffer.
920: */
921: static int
922: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
923: {
924: if (c->prompt_mode == PROMPT_ENTRY) {
925: switch (key) {
926: case '\003': /* C-c */
927: case '\010': /* C-h */
928: case '\011': /* Tab */
929: case '\025': /* C-u */
930: case '\027': /* C-w */
931: case '\n':
932: case '\r':
933: case KEYC_BSPACE:
934: case KEYC_DC:
935: case KEYC_DOWN:
936: case KEYC_END:
937: case KEYC_HOME:
938: case KEYC_LEFT:
939: case KEYC_RIGHT:
940: case KEYC_UP:
941: *new_key = key;
942: return (1);
943: case '\033': /* Escape */
944: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 945: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 946: return (0);
947: }
948: *new_key = key;
949: return (2);
950: }
951:
952: switch (key) {
953: case 'A':
954: case 'I':
955: case 'C':
956: case 's':
957: case 'a':
958: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 959: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 960: break; /* switch mode and... */
961: case 'S':
962: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 963: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 964: *new_key = '\025'; /* C-u */
965: return (1);
966: case 'i':
967: case '\033': /* Escape */
968: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 969: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 970: return (0);
971: }
972:
973: switch (key) {
974: case 'A':
975: case '$':
976: *new_key = KEYC_END;
977: return (1);
978: case 'I':
979: case '0':
980: case '^':
981: *new_key = KEYC_HOME;
982: return (1);
983: case 'C':
984: case 'D':
985: *new_key = '\013'; /* C-k */
986: return (1);
987: case KEYC_BSPACE:
988: case 'X':
989: *new_key = KEYC_BSPACE;
990: return (1);
991: case 'b':
992: case 'B':
993: *new_key = 'b'|KEYC_ESCAPE;
994: return (1);
995: case 'd':
996: *new_key = '\025';
997: return (1);
998: case 'e':
999: case 'E':
1000: case 'w':
1001: case 'W':
1002: *new_key = 'f'|KEYC_ESCAPE;
1003: return (1);
1004: case 'p':
1005: *new_key = '\031'; /* C-y */
1006: return (1);
1007: case 's':
1008: case KEYC_DC:
1009: case 'x':
1010: *new_key = KEYC_DC;
1011: return (1);
1012: case KEYC_DOWN:
1013: case 'j':
1014: *new_key = KEYC_DOWN;
1015: return (1);
1016: case KEYC_LEFT:
1017: case 'h':
1018: *new_key = KEYC_LEFT;
1019: return (1);
1020: case 'a':
1021: case KEYC_RIGHT:
1022: case 'l':
1023: *new_key = KEYC_RIGHT;
1024: return (1);
1025: case KEYC_UP:
1026: case 'k':
1027: *new_key = KEYC_UP;
1028: return (1);
1029: case '\010' /* C-h */:
1030: case '\003' /* C-c */:
1031: case '\n':
1032: case '\r':
1033: return (1);
1034: }
1035: return (0);
1036: }
1037:
1.1 nicm 1038: /* Handle keys in prompt. */
1.154 nicm 1039: int
1.138 nicm 1040: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1041: {
1.152 nicm 1042: struct options *oo = c->session->options;
1.1 nicm 1043: struct paste_buffer *pb;
1.158 nicm 1044: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1045: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1046: u_char ch;
1.152 nicm 1047: size_t size, n, off, idx, bufsize, used;
1048: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1049: int keys;
1.1 nicm 1050:
1.152 nicm 1051: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1052:
1053: if (c->prompt_flags & PROMPT_NUMERIC) {
1054: if (key >= '0' && key <= '9')
1055: goto append_key;
1056: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1057: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1058: status_prompt_clear(c);
1059: free(s);
1060: return (1);
1061: }
1062:
1.155 nicm 1063: keys = options_get_number(c->session->options, "status-keys");
1064: if (keys == MODEKEY_VI) {
1065: switch (status_prompt_translate_key(c, key, &key)) {
1066: case 1:
1067: goto process_key;
1068: case 2:
1069: goto append_key;
1070: default:
1071: return (0);
1072: }
1073: }
1074:
1075: process_key:
1076: switch (key) {
1077: case KEYC_LEFT:
1078: case '\002': /* C-b */
1.1 nicm 1079: if (c->prompt_index > 0) {
1080: c->prompt_index--;
1.158 nicm 1081: break;
1.1 nicm 1082: }
1083: break;
1.155 nicm 1084: case KEYC_RIGHT:
1085: case '\006': /* C-f */
1.1 nicm 1086: if (c->prompt_index < size) {
1087: c->prompt_index++;
1.158 nicm 1088: break;
1.1 nicm 1089: }
1090: break;
1.155 nicm 1091: case KEYC_HOME:
1092: case '\001': /* C-a */
1.1 nicm 1093: if (c->prompt_index != 0) {
1094: c->prompt_index = 0;
1.158 nicm 1095: break;
1.1 nicm 1096: }
1097: break;
1.155 nicm 1098: case KEYC_END:
1099: case '\005': /* C-e */
1.1 nicm 1100: if (c->prompt_index != size) {
1101: c->prompt_index = size;
1.158 nicm 1102: break;
1.1 nicm 1103: }
1104: break;
1.155 nicm 1105: case '\011': /* Tab */
1.152 nicm 1106: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1107: break;
1108:
1109: idx = c->prompt_index;
1110: if (idx != 0)
1111: idx--;
1112:
1113: /* Find the word we are in. */
1.152 nicm 1114: first = &c->prompt_buffer[idx];
1115: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1116: first--;
1.152 nicm 1117: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1118: first++;
1.152 nicm 1119: last = &c->prompt_buffer[idx];
1120: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1121: last++;
1.152 nicm 1122: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1123: last--;
1.152 nicm 1124: if (last->size != 0)
1.1 nicm 1125: last++;
1.152 nicm 1126: if (last <= first)
1127: break;
1128:
1129: used = 0;
1130: for (ud = first; ud < last; ud++) {
1131: if (used + ud->size >= sizeof word)
1132: break;
1133: memcpy(word + used, ud->data, ud->size);
1134: used += ud->size;
1135: }
1136: if (ud != last)
1.1 nicm 1137: break;
1.152 nicm 1138: word[used] = '\0';
1.1 nicm 1139:
1140: /* And try to complete it. */
1.152 nicm 1141: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1142: break;
1143:
1144: /* Trim out word. */
1145: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1146: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1147: size -= last - first;
1148:
1149: /* Insert the new word. */
1.55 nicm 1150: size += strlen(s);
1.1 nicm 1151: off = first - c->prompt_buffer;
1.152 nicm 1152: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1153: sizeof *c->prompt_buffer);
1.1 nicm 1154: first = c->prompt_buffer + off;
1.152 nicm 1155: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1156: for (idx = 0; idx < strlen(s); idx++)
1157: utf8_set(&first[idx], s[idx]);
1.1 nicm 1158:
1159: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1160: free(s);
1.1 nicm 1161:
1.158 nicm 1162: goto changed;
1.155 nicm 1163: case KEYC_BSPACE:
1164: case '\010': /* C-h */
1.1 nicm 1165: if (c->prompt_index != 0) {
1166: if (c->prompt_index == size)
1.152 nicm 1167: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1168: else {
1169: memmove(c->prompt_buffer + c->prompt_index - 1,
1170: c->prompt_buffer + c->prompt_index,
1.152 nicm 1171: (size + 1 - c->prompt_index) *
1172: sizeof *c->prompt_buffer);
1.1 nicm 1173: c->prompt_index--;
1174: }
1.158 nicm 1175: goto changed;
1.1 nicm 1176: }
1177: break;
1.155 nicm 1178: case KEYC_DC:
1179: case '\004': /* C-d */
1.1 nicm 1180: if (c->prompt_index != size) {
1181: memmove(c->prompt_buffer + c->prompt_index,
1182: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1183: (size + 1 - c->prompt_index) *
1184: sizeof *c->prompt_buffer);
1.158 nicm 1185: goto changed;
1.18 nicm 1186: }
1.26 nicm 1187: break;
1.155 nicm 1188: case '\025': /* C-u */
1.152 nicm 1189: c->prompt_buffer[0].size = 0;
1.26 nicm 1190: c->prompt_index = 0;
1.158 nicm 1191: goto changed;
1.155 nicm 1192: case '\013': /* C-k */
1.18 nicm 1193: if (c->prompt_index < size) {
1.152 nicm 1194: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1195: goto changed;
1.1 nicm 1196: }
1197: break;
1.155 nicm 1198: case '\027': /* C-w */
1.152 nicm 1199: ws = options_get_string(oo, "word-separators");
1.81 nicm 1200: idx = c->prompt_index;
1201:
1202: /* Find a non-separator. */
1203: while (idx != 0) {
1204: idx--;
1.152 nicm 1205: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1206: break;
1207: }
1208:
1209: /* Find the separator at the beginning of the word. */
1210: while (idx != 0) {
1211: idx--;
1.152 nicm 1212: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1213: /* Go back to the word. */
1214: idx++;
1215: break;
1216: }
1217: }
1218:
1219: memmove(c->prompt_buffer + idx,
1220: c->prompt_buffer + c->prompt_index,
1.152 nicm 1221: (size + 1 - c->prompt_index) *
1222: sizeof *c->prompt_buffer);
1.81 nicm 1223: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1224: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1225: c->prompt_index = idx;
1.152 nicm 1226:
1.158 nicm 1227: goto changed;
1.155 nicm 1228: case 'f'|KEYC_ESCAPE:
1229: ws = options_get_string(oo, "word-separators");
1.81 nicm 1230:
1231: /* Find a word. */
1232: while (c->prompt_index != size) {
1.152 nicm 1233: idx = ++c->prompt_index;
1234: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1235: break;
1236: }
1237:
1238: /* Find the separator at the end of the word. */
1239: while (c->prompt_index != size) {
1.152 nicm 1240: idx = ++c->prompt_index;
1241: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1242: break;
1243: }
1.106 nicm 1244:
1245: /* Back up to the end-of-word like vi. */
1246: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1247: c->prompt_index != 0)
1248: c->prompt_index--;
1.81 nicm 1249:
1.158 nicm 1250: goto changed;
1.155 nicm 1251: case 'b'|KEYC_ESCAPE:
1252: ws = options_get_string(oo, "word-separators");
1.81 nicm 1253:
1254: /* Find a non-separator. */
1255: while (c->prompt_index != 0) {
1.152 nicm 1256: idx = --c->prompt_index;
1257: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1258: break;
1259: }
1260:
1261: /* Find the separator at the beginning of the word. */
1262: while (c->prompt_index != 0) {
1.152 nicm 1263: idx = --c->prompt_index;
1264: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1265: /* Go back to the word. */
1266: c->prompt_index++;
1267: break;
1268: }
1269: }
1.158 nicm 1270: goto changed;
1.155 nicm 1271: case KEYC_UP:
1272: case '\020': /* C-p */
1.66 nicm 1273: histstr = status_prompt_up_history(&c->prompt_hindex);
1274: if (histstr == NULL)
1.1 nicm 1275: break;
1.94 nicm 1276: free(c->prompt_buffer);
1.152 nicm 1277: c->prompt_buffer = utf8_fromcstr(histstr);
1278: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1279: goto changed;
1.155 nicm 1280: case KEYC_DOWN:
1281: case '\016': /* C-n */
1.66 nicm 1282: histstr = status_prompt_down_history(&c->prompt_hindex);
1283: if (histstr == NULL)
1.65 nicm 1284: break;
1.94 nicm 1285: free(c->prompt_buffer);
1.152 nicm 1286: c->prompt_buffer = utf8_fromcstr(histstr);
1287: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1288: goto changed;
1.155 nicm 1289: case '\031': /* C-y */
1.134 nicm 1290: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1291: break;
1.134 nicm 1292: bufdata = paste_buffer_data(pb, &bufsize);
1293: for (n = 0; n < bufsize; n++) {
1294: ch = (u_char)bufdata[n];
1.152 nicm 1295: if (ch < 32 || ch >= 127)
1.32 nicm 1296: break;
1297: }
1.1 nicm 1298:
1.152 nicm 1299: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1300: sizeof *c->prompt_buffer);
1.1 nicm 1301: if (c->prompt_index == size) {
1.152 nicm 1302: for (idx = 0; idx < n; idx++) {
1303: ud = &c->prompt_buffer[c->prompt_index + idx];
1304: utf8_set(ud, bufdata[idx]);
1305: }
1.1 nicm 1306: c->prompt_index += n;
1.152 nicm 1307: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1308: } else {
1309: memmove(c->prompt_buffer + c->prompt_index + n,
1310: c->prompt_buffer + c->prompt_index,
1.152 nicm 1311: (size + 1 - c->prompt_index) *
1312: sizeof *c->prompt_buffer);
1313: for (idx = 0; idx < n; idx++) {
1314: ud = &c->prompt_buffer[c->prompt_index + idx];
1315: utf8_set(ud, bufdata[idx]);
1316: }
1.1 nicm 1317: c->prompt_index += n;
1318: }
1.158 nicm 1319: goto changed;
1.155 nicm 1320: case '\024': /* C-t */
1.30 nicm 1321: idx = c->prompt_index;
1322: if (idx < size)
1323: idx++;
1324: if (idx >= 2) {
1.152 nicm 1325: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1326: utf8_copy(&c->prompt_buffer[idx - 2],
1327: &c->prompt_buffer[idx - 1]);
1328: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1329: c->prompt_index = idx;
1.158 nicm 1330: goto changed;
1.30 nicm 1331: }
1.1 nicm 1332: break;
1.155 nicm 1333: case '\r':
1334: case '\n':
1.152 nicm 1335: s = utf8_tocstr(c->prompt_buffer);
1336: if (*s != '\0')
1337: status_prompt_add_history(s);
1.166 nicm 1338: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1339: status_prompt_clear(c);
1.152 nicm 1340: free(s);
1.25 nicm 1341: break;
1.155 nicm 1342: case '\033': /* Escape */
1343: case '\003': /* C-c */
1.174 nicm 1344: case '\007': /* C-g */
1.166 nicm 1345: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1346: status_prompt_clear(c);
1347: break;
1.158 nicm 1348: case '\022': /* C-r */
1349: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1350: prefix = '-';
1351: goto changed;
1352: }
1353: break;
1354: case '\023': /* C-s */
1355: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1356: prefix = '+';
1357: goto changed;
1358: }
1359: break;
1360: default:
1361: goto append_key;
1.154 nicm 1362: }
1.152 nicm 1363:
1.177 nicm 1364: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1365: return (0);
1366:
1.154 nicm 1367: append_key:
1368: if (key <= 0x1f || key >= KEYC_BASE)
1369: return (0);
1370: if (utf8_split(key, &tmp) != UTF8_DONE)
1371: return (0);
1.1 nicm 1372:
1.154 nicm 1373: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1374: sizeof *c->prompt_buffer);
1.1 nicm 1375:
1.154 nicm 1376: if (c->prompt_index == size) {
1377: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1378: c->prompt_index++;
1379: c->prompt_buffer[c->prompt_index].size = 0;
1380: } else {
1381: memmove(c->prompt_buffer + c->prompt_index + 1,
1382: c->prompt_buffer + c->prompt_index,
1383: (size + 1 - c->prompt_index) *
1384: sizeof *c->prompt_buffer);
1385: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1386: c->prompt_index++;
1387: }
1.1 nicm 1388:
1.154 nicm 1389: if (c->prompt_flags & PROMPT_SINGLE) {
1390: s = utf8_tocstr(c->prompt_buffer);
1391: if (strlen(s) != 1)
1392: status_prompt_clear(c);
1.166 nicm 1393: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1394: status_prompt_clear(c);
1395: free(s);
1.1 nicm 1396: }
1.154 nicm 1397:
1.158 nicm 1398: changed:
1.177 nicm 1399: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1400: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1401: s = utf8_tocstr(c->prompt_buffer);
1402: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1403: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1404: free(cp);
1405: free(s);
1406: }
1.154 nicm 1407: return (0);
1.1 nicm 1408: }
1409:
1.65 nicm 1410: /* Get previous line from the history. */
1.151 nicm 1411: static const char *
1.65 nicm 1412: status_prompt_up_history(u_int *idx)
1413: {
1414: /*
1.128 nicm 1415: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1416: * empty.
1.65 nicm 1417: */
1418:
1.128 nicm 1419: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1420: return (NULL);
1421: (*idx)++;
1.128 nicm 1422: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1423: }
1424:
1425: /* Get next line from the history. */
1.151 nicm 1426: static const char *
1.65 nicm 1427: status_prompt_down_history(u_int *idx)
1428: {
1.128 nicm 1429: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1430: return ("");
1431: (*idx)--;
1432: if (*idx == 0)
1433: return ("");
1.128 nicm 1434: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1435: }
1436:
1.1 nicm 1437: /* Add line to the history. */
1.151 nicm 1438: static void
1.65 nicm 1439: status_prompt_add_history(const char *line)
1.1 nicm 1440: {
1.128 nicm 1441: size_t size;
1.65 nicm 1442:
1.128 nicm 1443: if (status_prompt_hsize > 0 &&
1444: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1445: return;
1446:
1.128 nicm 1447: if (status_prompt_hsize == PROMPT_HISTORY) {
1448: free(status_prompt_hlist[0]);
1.1 nicm 1449:
1.128 nicm 1450: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1451: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1452:
1.128 nicm 1453: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1454: return;
1455: }
1.1 nicm 1456:
1.128 nicm 1457: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1458: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1459: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1460: }
1461:
1462: /* Build completion list. */
1.151 nicm 1463: static const char **
1.128 nicm 1464: status_prompt_complete_list(u_int *size, const char *s)
1465: {
1466: const char **list = NULL, **layout;
1467: const struct cmd_entry **cmdent;
1468: const struct options_table_entry *oe;
1469: const char *layouts[] = {
1470: "even-horizontal", "even-vertical", "main-horizontal",
1471: "main-vertical", "tiled", NULL
1472: };
1.1 nicm 1473:
1.128 nicm 1474: *size = 0;
1.1 nicm 1475: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1476: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1477: list = xreallocarray(list, (*size) + 1, sizeof *list);
1478: list[(*size)++] = (*cmdent)->name;
1479: }
1.56 nicm 1480: }
1.142 nicm 1481: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1482: if (strncmp(oe->name, s, strlen(s)) == 0) {
1483: list = xreallocarray(list, (*size) + 1, sizeof *list);
1484: list[(*size)++] = oe->name;
1485: }
1486: }
1487: for (layout = layouts; *layout != NULL; layout++) {
1488: if (strncmp(*layout, s, strlen(s)) == 0) {
1489: list = xreallocarray(list, (*size) + 1, sizeof *list);
1490: list[(*size)++] = *layout;
1491: }
1492: }
1493: return (list);
1494: }
1495:
1496: /* Find longest prefix. */
1.151 nicm 1497: static char *
1.128 nicm 1498: status_prompt_complete_prefix(const char **list, u_int size)
1499: {
1500: char *out;
1501: u_int i;
1502: size_t j;
1503:
1504: out = xstrdup(list[0]);
1505: for (i = 1; i < size; i++) {
1506: j = strlen(list[i]);
1507: if (j > strlen(out))
1508: j = strlen(out);
1509: for (; j > 0; j--) {
1510: if (out[j - 1] != list[i][j - 1])
1511: out[j - 1] = '\0';
1512: }
1.1 nicm 1513: }
1.128 nicm 1514: return (out);
1515: }
1.1 nicm 1516:
1.128 nicm 1517: /* Complete word. */
1.151 nicm 1518: static char *
1.152 nicm 1519: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1520: {
1521: const char **list = NULL, *colon;
1522: u_int size = 0, i;
1523: struct session *s_loop;
1524: struct winlink *wl;
1525: struct window *w;
1526: char *copy, *out, *tmp;
1527:
1528: if (*s == '\0')
1.1 nicm 1529: return (NULL);
1.128 nicm 1530: out = NULL;
1531:
1532: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1533: list = status_prompt_complete_list(&size, s);
1534: if (size == 0)
1535: out = NULL;
1536: else if (size == 1)
1537: xasprintf(&out, "%s ", list[0]);
1538: else
1539: out = status_prompt_complete_prefix(list, size);
1540: free(list);
1541: return (out);
1542: }
1543: copy = xstrdup(s);
1544:
1545: colon = ":";
1546: if (copy[strlen(copy) - 1] == ':')
1547: copy[strlen(copy) - 1] = '\0';
1548: else
1549: colon = "";
1550: s = copy + 2;
1.1 nicm 1551:
1.128 nicm 1552: RB_FOREACH(s_loop, sessions, &sessions) {
1553: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1554: list = xreallocarray(list, size + 2, sizeof *list);
1555: list[size++] = s_loop->name;
1556: }
1557: }
1558: if (size == 1) {
1559: out = xstrdup(list[0]);
1560: if (session_find(list[0]) != NULL)
1561: colon = ":";
1562: } else if (size != 0)
1563: out = status_prompt_complete_prefix(list, size);
1564: if (out != NULL) {
1565: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1566: free(out);
1.128 nicm 1567: out = tmp;
1568: goto found;
1569: }
1570:
1571: colon = "";
1572: if (*s == ':') {
1.152 nicm 1573: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1574: xasprintf(&tmp, ":%s", wl->window->name);
1575: if (strncmp(tmp, s, strlen(s)) == 0){
1576: list = xreallocarray(list, size + 1,
1577: sizeof *list);
1578: list[size++] = tmp;
1579: continue;
1580: }
1581: free(tmp);
1.1 nicm 1582:
1.128 nicm 1583: xasprintf(&tmp, ":%d", wl->idx);
1584: if (strncmp(tmp, s, strlen(s)) == 0) {
1585: list = xreallocarray(list, size + 1,
1586: sizeof *list);
1587: list[size++] = tmp;
1588: continue;
1589: }
1590: free(tmp);
1591: }
1592: } else {
1593: RB_FOREACH(s_loop, sessions, &sessions) {
1594: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1595: w = wl->window;
1596:
1597: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1598: if (strncmp(tmp, s, strlen(s)) == 0) {
1599: list = xreallocarray(list, size + 1,
1600: sizeof *list);
1601: list[size++] = tmp;
1602: continue;
1603: }
1604: free(tmp);
1605:
1606: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1607: if (strncmp(tmp, s, strlen(s)) == 0) {
1608: list = xreallocarray(list, size + 1,
1609: sizeof *list);
1610: list[size++] = tmp;
1611: continue;
1612: }
1613: free(tmp);
1614: }
1.1 nicm 1615: }
1616: }
1.128 nicm 1617: if (size == 1) {
1618: out = xstrdup(list[0]);
1619: colon = " ";
1620: } else if (size != 0)
1621: out = status_prompt_complete_prefix(list, size);
1622: if (out != NULL) {
1623: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1624: out = tmp;
1625: }
1626:
1627: for (i = 0; i < size; i++)
1628: free((void *)list[i]);
1629:
1630: found:
1631: free(copy);
1632: free(list);
1633: return (out);
1.1 nicm 1634: }