Annotation of src/usr.bin/tmux/status.c, Revision 1.186
1.186 ! nicm 1: /* $OpenBSD: status.c,v 1.185 2019/03/14 23:14:27 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:
1.185 nicm 32: static char *status_redraw_get_left(struct client *, struct grid_cell *,
33: size_t *);
34: static char *status_redraw_get_right(struct client *, struct grid_cell *,
35: size_t *);
36: static char *status_print(struct client *, struct winlink *,
1.151 nicm 37: struct grid_cell *);
1.185 nicm 38: static char *status_replace(struct client *, struct winlink *,
39: const char *);
1.151 nicm 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:
1.183 nicm 48: static char **status_prompt_complete_list(u_int *, const char *);
49: static char *status_prompt_complete_prefix(char **, u_int);
1.151 nicm 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);
1.182 nicm 217: return (c->tty.sy - status_line_size(c));
1.169 nicm 218: }
219:
1.182 nicm 220: /* Get size of status line for client's session. 0 means off. */
1.169 nicm 221: u_int
1.182 nicm 222: status_line_size(struct client *c)
1.169 nicm 223: {
1.182 nicm 224: struct session *s = c->session;
225:
226: if (c->flags & CLIENT_STATUSOFF)
227: return (0);
1.169 nicm 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 *
1.185 nicm 235: status_redraw_get_left(struct client *c, struct grid_cell *gc, size_t *size)
1.48 nicm 236: {
237: struct session *s = c->session;
1.120 nicm 238: const char *template;
1.48 nicm 239: char *left;
240: size_t leftlen;
241:
1.137 nicm 242: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 243:
1.137 nicm 244: template = options_get_string(s->options, "status-left");
1.185 nicm 245: left = status_replace(c, NULL, template);
1.48 nicm 246:
1.137 nicm 247: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 248: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 249: if (leftlen < *size)
250: *size = leftlen;
251: return (left);
252: }
253:
254: /* Retrieve options for right string. */
1.151 nicm 255: static char *
1.185 nicm 256: status_redraw_get_right(struct client *c, struct grid_cell *gc, size_t *size)
1.48 nicm 257: {
258: struct session *s = c->session;
1.120 nicm 259: const char *template;
1.48 nicm 260: char *right;
261: size_t rightlen;
262:
1.137 nicm 263: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 264:
1.137 nicm 265: template = options_get_string(s->options, "status-right");
1.185 nicm 266: right = status_replace(c, NULL, template);
1.48 nicm 267:
1.137 nicm 268: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 269: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 270: if (rightlen < *size)
271: *size = rightlen;
272: return (right);
273: }
274:
1.125 nicm 275: /* Get window at window list position. */
276: struct window *
277: status_get_window_at(struct client *c, u_int x)
1.73 nicm 278: {
279: struct session *s = c->session;
280: struct winlink *wl;
1.115 nicm 281: struct options *oo;
1.149 nicm 282: const char *sep;
283: size_t seplen;
1.73 nicm 284:
1.178 nicm 285: x += c->status.window_list_offset;
1.73 nicm 286: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 287: oo = wl->window->options;
1.149 nicm 288:
289: sep = options_get_string(oo, "window-status-separator");
290: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 291:
1.125 nicm 292: if (x < wl->status_width)
293: return (wl->window);
1.149 nicm 294: x -= wl->status_width + seplen;
1.73 nicm 295: }
1.125 nicm 296: return (NULL);
1.73 nicm 297: }
298:
1.186 ! nicm 299: /* Free status line. */
! 300: void
! 301: status_free(struct client *c)
! 302: {
! 303: struct status_line *sl = &c->status;
! 304:
! 305: if (event_initialized(&sl->timer))
! 306: evtimer_del(&sl->timer);
! 307:
! 308: screen_free(&sl->status);
! 309: if (sl->old_status != NULL) {
! 310: screen_free(sl->old_status);
! 311: free(sl->old_status);
! 312: }
! 313: }
! 314:
! 315: /* Draw status line for client. */
1.1 nicm 316: int
317: status_redraw(struct client *c)
318: {
1.159 nicm 319: struct screen_write_ctx ctx;
320: struct session *s = c->session;
321: struct winlink *wl;
322: struct screen old_status, window_list;
323: struct grid_cell stdgc, lgc, rgc, gc;
324: struct options *oo;
325: char *left, *right;
326: const char *sep;
1.169 nicm 327: u_int offset, needed, lines;
1.159 nicm 328: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
329: size_t llen, rlen, seplen;
330: int larrow, rarrow;
1.1 nicm 331:
1.167 nicm 332: /* Delete the saved status line, if any. */
1.175 nicm 333: if (c->status.old_status != NULL) {
334: screen_free(c->status.old_status);
335: free(c->status.old_status);
336: c->status.old_status = NULL;
1.167 nicm 337: }
338:
1.49 nicm 339: /* No status line? */
1.182 nicm 340: lines = status_line_size(c);
1.169 nicm 341: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 342: return (1);
1.48 nicm 343: left = right = NULL;
1.7 nicm 344: larrow = rarrow = 0;
1.1 nicm 345:
1.48 nicm 346: /* Set up default colour. */
1.137 nicm 347: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 348:
1.48 nicm 349: /* Create the target screen. */
1.175 nicm 350: memcpy(&old_status, &c->status.status, sizeof old_status);
351: screen_init(&c->status.status, c->tty.sx, lines, 0);
352: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 353: for (offset = 0; offset < lines * c->tty.sx; offset++)
354: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 355: screen_write_stop(&ctx);
356:
1.169 nicm 357: /* If the height is too small, blank status line. */
358: if (c->tty.sy < lines)
1.48 nicm 359: goto out;
1.1 nicm 360:
1.48 nicm 361: /* Work out left and right strings. */
362: memcpy(&lgc, &stdgc, sizeof lgc);
1.185 nicm 363: left = status_redraw_get_left(c, &lgc, &llen);
1.48 nicm 364: memcpy(&rgc, &stdgc, sizeof rgc);
1.185 nicm 365: right = status_redraw_get_right(c, &rgc, &rlen);
1.1 nicm 366:
367: /*
1.48 nicm 368: * Figure out how much space we have for the window list. If there
369: * isn't enough space, just show a blank status line.
1.1 nicm 370: */
1.55 nicm 371: needed = 0;
1.1 nicm 372: if (llen != 0)
1.118 nicm 373: needed += llen;
1.1 nicm 374: if (rlen != 0)
1.118 nicm 375: needed += rlen;
1.48 nicm 376: if (c->tty.sx == 0 || c->tty.sx <= needed)
377: goto out;
378: wlavailable = c->tty.sx - needed;
1.1 nicm 379:
1.48 nicm 380: /* Calculate the total size needed for the window list. */
381: wlstart = wloffset = wlwidth = 0;
1.1 nicm 382: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 383: free(wl->status_text);
1.48 nicm 384: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
1.185 nicm 385: wl->status_text = status_print(c, wl, &wl->status_cell);
1.139 nicm 386: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 387:
1.1 nicm 388: if (wl == s->curw)
1.48 nicm 389: wloffset = wlwidth;
1.91 nicm 390:
1.137 nicm 391: oo = wl->window->options;
1.91 nicm 392: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 393: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 394: wlwidth += wl->status_width + seplen;
1.48 nicm 395: }
396:
397: /* Create a new screen for the window list. */
398: screen_init(&window_list, wlwidth, 1, 0);
399:
400: /* And draw the window list into it. */
401: screen_write_start(&ctx, NULL, &window_list);
402: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 403: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
404: wl->status_text);
1.91 nicm 405:
1.137 nicm 406: oo = wl->window->options;
1.91 nicm 407: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 408: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 409: }
1.48 nicm 410: screen_write_stop(&ctx);
1.1 nicm 411:
1.48 nicm 412: /* If there is enough space for the total width, skip to draw now. */
413: if (wlwidth <= wlavailable)
1.1 nicm 414: goto draw;
415:
416: /* Find size of current window text. */
1.48 nicm 417: wlsize = s->curw->status_width;
1.1 nicm 418:
419: /*
1.48 nicm 420: * If the current window is already on screen, good to draw from the
1.1 nicm 421: * start and just leave off the end.
422: */
1.48 nicm 423: if (wloffset + wlsize < wlavailable) {
424: if (wlavailable > 0) {
425: rarrow = 1;
426: wlavailable--;
427: }
428: wlwidth = wlavailable;
429: } else {
430: /*
431: * Work out how many characters we need to omit from the
432: * start. There are wlavailable characters to fill, and
433: * wloffset + wlsize must be the last. So, the start character
434: * is wloffset + wlsize - wlavailable.
435: */
436: if (wlavailable > 0) {
437: larrow = 1;
438: wlavailable--;
439: }
1.55 nicm 440:
1.48 nicm 441: wlstart = wloffset + wlsize - wlavailable;
442: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 443: rarrow = 1;
1.48 nicm 444: wlstart++;
445: wlavailable--;
1.1 nicm 446: }
1.48 nicm 447: wlwidth = wlavailable;
448: }
1.1 nicm 449:
1.48 nicm 450: /* Bail if anything is now too small too. */
451: if (wlwidth == 0 || wlavailable == 0) {
452: screen_free(&window_list);
453: goto out;
1.1 nicm 454: }
455:
456: /*
1.48 nicm 457: * Now the start position is known, work out the state of the left and
458: * right arrows.
1.1 nicm 459: */
460: offset = 0;
461: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 462: if (wl->flags & WINLINK_ALERTFLAGS &&
463: larrow == 1 && offset < wlstart)
464: larrow = -1;
1.1 nicm 465:
1.48 nicm 466: offset += wl->status_width;
1.1 nicm 467:
1.63 nicm 468: if (wl->flags & WINLINK_ALERTFLAGS &&
469: rarrow == 1 && offset > wlstart + wlwidth)
470: rarrow = -1;
1.1 nicm 471: }
472:
1.48 nicm 473: draw:
1.55 nicm 474: /* Begin drawing. */
1.175 nicm 475: screen_write_start(&ctx, NULL, &c->status.status);
1.1 nicm 476:
1.48 nicm 477: /* Draw the left string and arrow. */
1.184 nicm 478: screen_write_cursormove(&ctx, 0, 0, 0);
1.118 nicm 479: if (llen != 0)
1.139 nicm 480: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 481: if (larrow != 0) {
482: memcpy(&gc, &stdgc, sizeof gc);
483: if (larrow == -1)
484: gc.attr ^= GRID_ATTR_REVERSE;
485: screen_write_putc(&ctx, &gc, '<');
486: }
1.48 nicm 487:
488: /* Draw the right string and arrow. */
1.1 nicm 489: if (rarrow != 0) {
1.184 nicm 490: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0, 0);
1.1 nicm 491: memcpy(&gc, &stdgc, sizeof gc);
492: if (rarrow == -1)
493: gc.attr ^= GRID_ATTR_REVERSE;
494: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 495: } else
1.184 nicm 496: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0, 0);
1.118 nicm 497: if (rlen != 0)
1.139 nicm 498: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 499:
1.48 nicm 500: /* Figure out the offset for the window list. */
1.58 nicm 501: if (llen != 0)
1.118 nicm 502: wloffset = llen;
1.58 nicm 503: else
504: wloffset = 0;
1.48 nicm 505: if (wlwidth < wlavailable) {
1.137 nicm 506: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 507: case 1: /* centred */
1.58 nicm 508: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 509: break;
510: case 2: /* right */
1.58 nicm 511: wloffset += (wlavailable - wlwidth);
1.48 nicm 512: break;
513: }
514: }
515: if (larrow != 0)
516: wloffset++;
517:
518: /* Copy the window list. */
1.178 nicm 519: c->status.window_list_offset = -wloffset + wlstart;
1.184 nicm 520: screen_write_cursormove(&ctx, wloffset, 0, 0);
1.171 nicm 521: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 522: screen_free(&window_list);
1.179 nicm 523:
524: /* Save left and right size. */
525: c->status.left_size = llen;
526: c->status.right_size = rlen;
1.1 nicm 527:
1.48 nicm 528: screen_write_stop(&ctx);
1.1 nicm 529:
530: out:
1.94 nicm 531: free(left);
532: free(right);
1.1 nicm 533:
1.175 nicm 534: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 535: screen_free(&old_status);
536: return (0);
537: }
538: screen_free(&old_status);
539: return (1);
540: }
541:
1.46 nicm 542: /* Replace special sequences in fmt. */
1.151 nicm 543: static char *
1.185 nicm 544: status_replace(struct client *c, struct winlink *wl, const char *fmt)
1.46 nicm 545: {
1.96 nicm 546: struct format_tree *ft;
1.129 nicm 547: char *expanded;
1.160 nicm 548: u_int tag;
1.47 nicm 549:
1.93 nicm 550: if (fmt == NULL)
551: return (xstrdup(""));
552:
1.160 nicm 553: if (wl != NULL)
554: tag = FORMAT_WINDOW|wl->window->id;
555: else
556: tag = FORMAT_NONE;
1.135 nicm 557: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 558: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 559: else
1.164 nicm 560: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 561: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 562:
1.185 nicm 563: expanded = format_expand_time(ft, fmt);
1.46 nicm 564:
1.99 nicm 565: format_free(ft);
566: return (expanded);
1.1 nicm 567: }
568:
1.46 nicm 569: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 570: static char *
1.185 nicm 571: status_print(struct client *c, struct winlink *wl, struct grid_cell *gc)
1.1 nicm 572: {
1.137 nicm 573: struct options *oo = wl->window->options;
1.47 nicm 574: struct session *s = c->session;
575: const char *fmt;
576: char *text;
1.1 nicm 577:
1.108 nicm 578: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 579: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 580: if (wl == s->curw) {
1.108 nicm 581: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 582: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 583: }
1.108 nicm 584: if (wl == TAILQ_FIRST(&s->lastw))
585: style_apply_update(gc, oo, "window-status-last-style");
586:
587: if (wl->flags & WINLINK_BELL)
588: style_apply_update(gc, oo, "window-status-bell-style");
589: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
590: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 591:
1.185 nicm 592: text = status_replace(c, wl, fmt);
1.1 nicm 593: return (text);
594: }
595:
1.46 nicm 596: /* Set a status line message. */
1.117 nicm 597: void
1.10 nicm 598: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 599: {
1.162 nicm 600: struct timeval tv;
601: va_list ap;
602: int delay;
1.1 nicm 603:
1.12 nicm 604: status_message_clear(c);
605:
1.175 nicm 606: if (c->status.old_status == NULL) {
607: c->status.old_status = xmalloc(sizeof *c->status.old_status);
608: memcpy(c->status.old_status, &c->status.status,
609: sizeof *c->status.old_status);
610: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 611: }
612:
1.28 nicm 613: va_start(ap, fmt);
614: xvasprintf(&c->message_string, fmt, ap);
615: va_end(ap);
616:
1.162 nicm 617: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 618:
1.137 nicm 619: delay = options_get_number(c->session->options, "display-time");
1.143 tim 620: if (delay > 0) {
621: tv.tv_sec = delay / 1000;
622: tv.tv_usec = (delay % 1000) * 1000L;
623:
624: if (event_initialized(&c->message_timer))
625: evtimer_del(&c->message_timer);
626: evtimer_set(&c->message_timer, status_message_callback, c);
627: evtimer_add(&c->message_timer, &tv);
628: }
1.1 nicm 629:
630: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 631: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 632: }
633:
1.46 nicm 634: /* Clear status line message. */
1.1 nicm 635: void
636: status_message_clear(struct client *c)
637: {
638: if (c->message_string == NULL)
639: return;
640:
1.94 nicm 641: free(c->message_string);
1.1 nicm 642: c->message_string = NULL;
643:
1.156 nicm 644: if (c->prompt_string == NULL)
645: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 646: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 647:
1.175 nicm 648: screen_reinit(&c->status.status);
1.42 nicm 649: }
650:
1.46 nicm 651: /* Clear status line message after timer expires. */
1.151 nicm 652: static void
1.141 nicm 653: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 654: {
655: struct client *c = data;
656:
657: status_message_clear(c);
1.1 nicm 658: }
659:
660: /* Draw client message on status line of present else on last line. */
661: int
662: status_message_redraw(struct client *c)
663: {
664: struct screen_write_ctx ctx;
665: struct session *s = c->session;
666: struct screen old_status;
667: size_t len;
668: struct grid_cell gc;
1.170 nicm 669: u_int lines, offset;
1.1 nicm 670:
671: if (c->tty.sx == 0 || c->tty.sy == 0)
672: return (0);
1.175 nicm 673: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 674:
1.182 nicm 675: lines = status_line_size(c);
1.173 nicm 676: if (lines <= 1) {
677: lines = 1;
1.175 nicm 678: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 679: } else
1.175 nicm 680: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 681:
1.139 nicm 682: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 683: if (len > c->tty.sx)
684: len = c->tty.sx;
685:
1.137 nicm 686: style_apply(&gc, s->options, "message-style");
1.1 nicm 687:
1.175 nicm 688: screen_write_start(&ctx, NULL, &c->status.status);
1.184 nicm 689: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 690: for (offset = 0; offset < lines * c->tty.sx; offset++)
691: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 692: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 693: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 694: screen_write_stop(&ctx);
695:
1.175 nicm 696: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 697: screen_free(&old_status);
698: return (0);
699: }
700: screen_free(&old_status);
701: return (1);
702: }
703:
1.46 nicm 704: /* Enable status line prompt. */
1.1 nicm 705: void
1.76 nicm 706: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 707: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 708: {
1.122 nicm 709: struct format_tree *ft;
1.165 nicm 710: char *tmp, *cp;
1.122 nicm 711:
1.164 nicm 712: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 713: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 714:
1.168 nicm 715: if (input == NULL)
716: input = "";
717: if (flags & PROMPT_NOFORMAT)
718: tmp = xstrdup(input);
719: else
1.185 nicm 720: tmp = format_expand_time(ft, input);
1.20 nicm 721:
1.12 nicm 722: status_message_clear(c);
723: status_prompt_clear(c);
1.167 nicm 724:
1.175 nicm 725: if (c->status.old_status == NULL) {
726: c->status.old_status = xmalloc(sizeof *c->status.old_status);
727: memcpy(c->status.old_status, &c->status.status,
728: sizeof *c->status.old_status);
729: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 730: }
1.12 nicm 731:
1.185 nicm 732: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 733:
1.152 nicm 734: c->prompt_buffer = utf8_fromcstr(tmp);
735: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 736:
1.166 nicm 737: c->prompt_inputcb = inputcb;
738: c->prompt_freecb = freecb;
1.1 nicm 739: c->prompt_data = data;
740:
741: c->prompt_hindex = 0;
742:
743: c->prompt_flags = flags;
1.155 nicm 744: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 745:
1.158 nicm 746: if (~flags & PROMPT_INCREMENTAL)
747: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 748: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 749:
750: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
751: xasprintf(&cp, "=%s", tmp);
1.166 nicm 752: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 753: free(cp);
754: }
1.122 nicm 755:
1.152 nicm 756: free(tmp);
1.122 nicm 757: format_free(ft);
1.1 nicm 758: }
759:
1.46 nicm 760: /* Remove status line prompt. */
1.1 nicm 761: void
762: status_prompt_clear(struct client *c)
763: {
1.55 nicm 764: if (c->prompt_string == NULL)
1.1 nicm 765: return;
766:
1.166 nicm 767: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
768: c->prompt_freecb(c->prompt_data);
1.1 nicm 769:
1.94 nicm 770: free(c->prompt_string);
1.1 nicm 771: c->prompt_string = NULL;
772:
1.94 nicm 773: free(c->prompt_buffer);
1.1 nicm 774: c->prompt_buffer = NULL;
775:
1.181 nicm 776: free(c->prompt_saved);
777: c->prompt_saved = NULL;
778:
1.1 nicm 779: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 780: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 781:
1.175 nicm 782: screen_reinit(&c->status.status);
1.27 nicm 783: }
784:
1.46 nicm 785: /* Update status line prompt with a new prompt string. */
1.27 nicm 786: void
1.76 nicm 787: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 788: {
1.122 nicm 789: struct format_tree *ft;
1.152 nicm 790: char *tmp;
1.122 nicm 791:
1.164 nicm 792: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 793: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 794:
1.185 nicm 795: tmp = format_expand_time(ft, input);
1.122 nicm 796:
1.94 nicm 797: free(c->prompt_string);
1.185 nicm 798: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 799:
1.94 nicm 800: free(c->prompt_buffer);
1.152 nicm 801: c->prompt_buffer = utf8_fromcstr(tmp);
802: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 803:
804: c->prompt_hindex = 0;
805:
1.177 nicm 806: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 807:
1.152 nicm 808: free(tmp);
1.122 nicm 809: format_free(ft);
1.1 nicm 810: }
811:
812: /* Draw client prompt on status line of present else on last line. */
813: int
814: status_prompt_redraw(struct client *c)
815: {
1.152 nicm 816: struct screen_write_ctx ctx;
817: struct session *s = c->session;
818: struct screen old_status;
819: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 820: u_int lines;
1.152 nicm 821: struct grid_cell gc, cursorgc;
1.1 nicm 822:
823: if (c->tty.sx == 0 || c->tty.sy == 0)
824: return (0);
1.175 nicm 825: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 826:
1.182 nicm 827: lines = status_line_size(c);
1.173 nicm 828: if (lines <= 1) {
829: lines = 1;
1.175 nicm 830: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 831: } else
1.175 nicm 832: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 833:
1.155 nicm 834: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 835: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 836: else
1.137 nicm 837: style_apply(&gc, s->options, "message-style");
1.1 nicm 838:
1.152 nicm 839: memcpy(&cursorgc, &gc, sizeof cursorgc);
840: cursorgc.attr ^= GRID_ATTR_REVERSE;
841:
842: start = screen_write_strlen("%s", c->prompt_string);
843: if (start > c->tty.sx)
844: start = c->tty.sx;
845:
1.175 nicm 846: screen_write_start(&ctx, NULL, &c->status.status);
1.184 nicm 847: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 848: for (offset = 0; offset < lines * c->tty.sx; offset++)
849: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 850: screen_write_cursormove(&ctx, 0, 0, 0);
1.152 nicm 851: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.184 nicm 852: screen_write_cursormove(&ctx, start, 0, 0);
1.1 nicm 853:
1.152 nicm 854: left = c->tty.sx - start;
855: if (left == 0)
856: goto finished;
857:
858: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
859: pwidth = utf8_strwidth(c->prompt_buffer, -1);
860: if (pcursor >= left) {
861: /*
862: * The cursor would be outside the screen so start drawing
863: * with it on the right.
864: */
865: offset = (pcursor - left) + 1;
866: pwidth = left;
867: } else
868: offset = 0;
869: if (pwidth > left)
870: pwidth = left;
871:
872: width = 0;
873: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
874: if (width < offset) {
875: width += c->prompt_buffer[i].width;
876: continue;
1.1 nicm 877: }
1.152 nicm 878: if (width >= offset + pwidth)
879: break;
880: width += c->prompt_buffer[i].width;
881: if (width > offset + pwidth)
882: break;
1.1 nicm 883:
1.152 nicm 884: if (i != c->prompt_index) {
885: utf8_copy(&gc.data, &c->prompt_buffer[i]);
886: screen_write_cell(&ctx, &gc);
887: } else {
888: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
889: screen_write_cell(&ctx, &cursorgc);
890: }
1.1 nicm 891: }
1.175 nicm 892: if (c->status.status.cx < screen_size_x(&c->status.status) &&
893: c->prompt_index >= i)
1.152 nicm 894: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 895:
1.152 nicm 896: finished:
1.1 nicm 897: screen_write_stop(&ctx);
1.51 nicm 898:
1.175 nicm 899: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 900: screen_free(&old_status);
901: return (0);
902: }
903: screen_free(&old_status);
904: return (1);
905: }
906:
1.152 nicm 907: /* Is this a separator? */
908: static int
909: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
910: {
911: if (ud->size != 1 || ud->width != 1)
912: return (0);
913: return (strchr(ws, *ud->data) != NULL);
914: }
915:
916: /* Is this a space? */
917: static int
918: status_prompt_space(const struct utf8_data *ud)
919: {
920: if (ud->size != 1 || ud->width != 1)
921: return (0);
922: return (*ud->data == ' ');
923: }
924:
1.155 nicm 925: /*
926: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
927: * as an emacs key; return 2 to append to the buffer.
928: */
929: static int
930: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
931: {
932: if (c->prompt_mode == PROMPT_ENTRY) {
933: switch (key) {
934: case '\003': /* C-c */
935: case '\010': /* C-h */
936: case '\011': /* Tab */
937: case '\025': /* C-u */
938: case '\027': /* C-w */
939: case '\n':
940: case '\r':
941: case KEYC_BSPACE:
942: case KEYC_DC:
943: case KEYC_DOWN:
944: case KEYC_END:
945: case KEYC_HOME:
946: case KEYC_LEFT:
947: case KEYC_RIGHT:
948: case KEYC_UP:
949: *new_key = key;
950: return (1);
951: case '\033': /* Escape */
952: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 953: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 954: return (0);
955: }
956: *new_key = key;
957: return (2);
958: }
959:
960: switch (key) {
961: case 'A':
962: case 'I':
963: case 'C':
964: case 's':
965: case 'a':
966: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 967: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 968: break; /* switch mode and... */
969: case 'S':
970: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 971: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 972: *new_key = '\025'; /* C-u */
973: return (1);
974: case 'i':
975: case '\033': /* Escape */
976: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 977: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 978: return (0);
979: }
980:
981: switch (key) {
982: case 'A':
983: case '$':
984: *new_key = KEYC_END;
985: return (1);
986: case 'I':
987: case '0':
988: case '^':
989: *new_key = KEYC_HOME;
990: return (1);
991: case 'C':
992: case 'D':
993: *new_key = '\013'; /* C-k */
994: return (1);
995: case KEYC_BSPACE:
996: case 'X':
997: *new_key = KEYC_BSPACE;
998: return (1);
999: case 'b':
1000: case 'B':
1001: *new_key = 'b'|KEYC_ESCAPE;
1002: return (1);
1003: case 'd':
1004: *new_key = '\025';
1005: return (1);
1006: case 'e':
1007: case 'E':
1008: case 'w':
1009: case 'W':
1010: *new_key = 'f'|KEYC_ESCAPE;
1011: return (1);
1012: case 'p':
1013: *new_key = '\031'; /* C-y */
1014: return (1);
1015: case 's':
1016: case KEYC_DC:
1017: case 'x':
1018: *new_key = KEYC_DC;
1019: return (1);
1020: case KEYC_DOWN:
1021: case 'j':
1022: *new_key = KEYC_DOWN;
1023: return (1);
1024: case KEYC_LEFT:
1025: case 'h':
1026: *new_key = KEYC_LEFT;
1027: return (1);
1028: case 'a':
1029: case KEYC_RIGHT:
1030: case 'l':
1031: *new_key = KEYC_RIGHT;
1032: return (1);
1033: case KEYC_UP:
1034: case 'k':
1035: *new_key = KEYC_UP;
1036: return (1);
1037: case '\010' /* C-h */:
1038: case '\003' /* C-c */:
1039: case '\n':
1040: case '\r':
1041: return (1);
1042: }
1043: return (0);
1044: }
1045:
1.1 nicm 1046: /* Handle keys in prompt. */
1.154 nicm 1047: int
1.138 nicm 1048: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1049: {
1.152 nicm 1050: struct options *oo = c->session->options;
1.1 nicm 1051: struct paste_buffer *pb;
1.158 nicm 1052: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1053: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1054: u_char ch;
1.152 nicm 1055: size_t size, n, off, idx, bufsize, used;
1056: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1057: int keys;
1.1 nicm 1058:
1.152 nicm 1059: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1060:
1061: if (c->prompt_flags & PROMPT_NUMERIC) {
1062: if (key >= '0' && key <= '9')
1063: goto append_key;
1064: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1065: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1066: status_prompt_clear(c);
1067: free(s);
1068: return (1);
1069: }
1.180 nicm 1070: key &= ~KEYC_XTERM;
1.154 nicm 1071:
1.155 nicm 1072: keys = options_get_number(c->session->options, "status-keys");
1073: if (keys == MODEKEY_VI) {
1074: switch (status_prompt_translate_key(c, key, &key)) {
1075: case 1:
1076: goto process_key;
1077: case 2:
1078: goto append_key;
1079: default:
1080: return (0);
1081: }
1082: }
1083:
1084: process_key:
1085: switch (key) {
1086: case KEYC_LEFT:
1087: case '\002': /* C-b */
1.1 nicm 1088: if (c->prompt_index > 0) {
1089: c->prompt_index--;
1.158 nicm 1090: break;
1.1 nicm 1091: }
1092: break;
1.155 nicm 1093: case KEYC_RIGHT:
1094: case '\006': /* C-f */
1.1 nicm 1095: if (c->prompt_index < size) {
1096: c->prompt_index++;
1.158 nicm 1097: break;
1.1 nicm 1098: }
1099: break;
1.155 nicm 1100: case KEYC_HOME:
1101: case '\001': /* C-a */
1.1 nicm 1102: if (c->prompt_index != 0) {
1103: c->prompt_index = 0;
1.158 nicm 1104: break;
1.1 nicm 1105: }
1106: break;
1.155 nicm 1107: case KEYC_END:
1108: case '\005': /* C-e */
1.1 nicm 1109: if (c->prompt_index != size) {
1110: c->prompt_index = size;
1.158 nicm 1111: break;
1.1 nicm 1112: }
1113: break;
1.155 nicm 1114: case '\011': /* Tab */
1.152 nicm 1115: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1116: break;
1117:
1118: idx = c->prompt_index;
1119: if (idx != 0)
1120: idx--;
1121:
1122: /* Find the word we are in. */
1.152 nicm 1123: first = &c->prompt_buffer[idx];
1124: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1125: first--;
1.152 nicm 1126: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1127: first++;
1.152 nicm 1128: last = &c->prompt_buffer[idx];
1129: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1130: last++;
1.152 nicm 1131: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1132: last--;
1.152 nicm 1133: if (last->size != 0)
1.1 nicm 1134: last++;
1.152 nicm 1135: if (last <= first)
1136: break;
1137:
1138: used = 0;
1139: for (ud = first; ud < last; ud++) {
1140: if (used + ud->size >= sizeof word)
1141: break;
1142: memcpy(word + used, ud->data, ud->size);
1143: used += ud->size;
1144: }
1145: if (ud != last)
1.1 nicm 1146: break;
1.152 nicm 1147: word[used] = '\0';
1.1 nicm 1148:
1149: /* And try to complete it. */
1.152 nicm 1150: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1151: break;
1152:
1153: /* Trim out word. */
1154: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1155: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1156: size -= last - first;
1157:
1158: /* Insert the new word. */
1.55 nicm 1159: size += strlen(s);
1.1 nicm 1160: off = first - c->prompt_buffer;
1.152 nicm 1161: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1162: sizeof *c->prompt_buffer);
1.1 nicm 1163: first = c->prompt_buffer + off;
1.152 nicm 1164: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1165: for (idx = 0; idx < strlen(s); idx++)
1166: utf8_set(&first[idx], s[idx]);
1.1 nicm 1167:
1168: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1169: free(s);
1.1 nicm 1170:
1.158 nicm 1171: goto changed;
1.155 nicm 1172: case KEYC_BSPACE:
1173: case '\010': /* C-h */
1.1 nicm 1174: if (c->prompt_index != 0) {
1175: if (c->prompt_index == size)
1.152 nicm 1176: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1177: else {
1178: memmove(c->prompt_buffer + c->prompt_index - 1,
1179: c->prompt_buffer + c->prompt_index,
1.152 nicm 1180: (size + 1 - c->prompt_index) *
1181: sizeof *c->prompt_buffer);
1.1 nicm 1182: c->prompt_index--;
1183: }
1.158 nicm 1184: goto changed;
1.1 nicm 1185: }
1186: break;
1.155 nicm 1187: case KEYC_DC:
1188: case '\004': /* C-d */
1.1 nicm 1189: if (c->prompt_index != size) {
1190: memmove(c->prompt_buffer + c->prompt_index,
1191: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1192: (size + 1 - c->prompt_index) *
1193: sizeof *c->prompt_buffer);
1.158 nicm 1194: goto changed;
1.18 nicm 1195: }
1.26 nicm 1196: break;
1.155 nicm 1197: case '\025': /* C-u */
1.152 nicm 1198: c->prompt_buffer[0].size = 0;
1.26 nicm 1199: c->prompt_index = 0;
1.158 nicm 1200: goto changed;
1.155 nicm 1201: case '\013': /* C-k */
1.18 nicm 1202: if (c->prompt_index < size) {
1.152 nicm 1203: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1204: goto changed;
1.1 nicm 1205: }
1206: break;
1.155 nicm 1207: case '\027': /* C-w */
1.152 nicm 1208: ws = options_get_string(oo, "word-separators");
1.81 nicm 1209: idx = c->prompt_index;
1210:
1211: /* Find a non-separator. */
1212: while (idx != 0) {
1213: idx--;
1.152 nicm 1214: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1215: break;
1216: }
1217:
1218: /* Find the separator at the beginning of the word. */
1219: while (idx != 0) {
1220: idx--;
1.152 nicm 1221: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1222: /* Go back to the word. */
1223: idx++;
1224: break;
1225: }
1226: }
1227:
1.181 nicm 1228: free(c->prompt_saved);
1229: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1230: (c->prompt_index - idx) + 1);
1231: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1232: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1233:
1.81 nicm 1234: memmove(c->prompt_buffer + idx,
1235: c->prompt_buffer + c->prompt_index,
1.152 nicm 1236: (size + 1 - c->prompt_index) *
1237: sizeof *c->prompt_buffer);
1.81 nicm 1238: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1239: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1240: c->prompt_index = idx;
1.152 nicm 1241:
1.158 nicm 1242: goto changed;
1.155 nicm 1243: case 'f'|KEYC_ESCAPE:
1.180 nicm 1244: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1245: ws = options_get_string(oo, "word-separators");
1.81 nicm 1246:
1247: /* Find a word. */
1248: while (c->prompt_index != size) {
1.152 nicm 1249: idx = ++c->prompt_index;
1250: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1251: break;
1252: }
1253:
1254: /* Find the separator at the end of the word. */
1255: while (c->prompt_index != size) {
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: }
1.106 nicm 1260:
1261: /* Back up to the end-of-word like vi. */
1262: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1263: c->prompt_index != 0)
1264: c->prompt_index--;
1.81 nicm 1265:
1.158 nicm 1266: goto changed;
1.155 nicm 1267: case 'b'|KEYC_ESCAPE:
1.180 nicm 1268: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1269: ws = options_get_string(oo, "word-separators");
1.81 nicm 1270:
1271: /* Find a non-separator. */
1272: while (c->prompt_index != 0) {
1.152 nicm 1273: idx = --c->prompt_index;
1274: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1275: break;
1276: }
1277:
1278: /* Find the separator at the beginning of the word. */
1279: while (c->prompt_index != 0) {
1.152 nicm 1280: idx = --c->prompt_index;
1281: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1282: /* Go back to the word. */
1283: c->prompt_index++;
1284: break;
1285: }
1286: }
1.158 nicm 1287: goto changed;
1.155 nicm 1288: case KEYC_UP:
1289: case '\020': /* C-p */
1.66 nicm 1290: histstr = status_prompt_up_history(&c->prompt_hindex);
1291: if (histstr == NULL)
1.1 nicm 1292: break;
1.94 nicm 1293: free(c->prompt_buffer);
1.152 nicm 1294: c->prompt_buffer = utf8_fromcstr(histstr);
1295: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1296: goto changed;
1.155 nicm 1297: case KEYC_DOWN:
1298: case '\016': /* C-n */
1.66 nicm 1299: histstr = status_prompt_down_history(&c->prompt_hindex);
1300: if (histstr == NULL)
1.65 nicm 1301: break;
1.94 nicm 1302: free(c->prompt_buffer);
1.152 nicm 1303: c->prompt_buffer = utf8_fromcstr(histstr);
1304: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1305: goto changed;
1.155 nicm 1306: case '\031': /* C-y */
1.181 nicm 1307: if (c->prompt_saved != NULL) {
1308: ud = c->prompt_saved;
1309: n = utf8_strlen(c->prompt_saved);
1310: } else {
1311: if ((pb = paste_get_top(NULL)) == NULL)
1.32 nicm 1312: break;
1.181 nicm 1313: bufdata = paste_buffer_data(pb, &bufsize);
1314: for (n = 0; n < bufsize; n++) {
1315: ch = (u_char)bufdata[n];
1316: if (ch < 32 || ch >= 127)
1317: break;
1318: }
1319: ud = xreallocarray(NULL, n, sizeof *ud);
1320: for (idx = 0; idx < n; idx++)
1321: utf8_set(&ud[idx], bufdata[idx]);
1.32 nicm 1322: }
1.1 nicm 1323:
1.152 nicm 1324: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1325: sizeof *c->prompt_buffer);
1.1 nicm 1326: if (c->prompt_index == size) {
1.181 nicm 1327: memcpy(c->prompt_buffer + c->prompt_index, ud,
1328: n * sizeof *c->prompt_buffer);
1.1 nicm 1329: c->prompt_index += n;
1.152 nicm 1330: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1331: } else {
1332: memmove(c->prompt_buffer + c->prompt_index + n,
1333: c->prompt_buffer + c->prompt_index,
1.152 nicm 1334: (size + 1 - c->prompt_index) *
1335: sizeof *c->prompt_buffer);
1.181 nicm 1336: memcpy(c->prompt_buffer + c->prompt_index, ud,
1337: n * sizeof *c->prompt_buffer);
1.1 nicm 1338: c->prompt_index += n;
1339: }
1.181 nicm 1340:
1341: if (ud != c->prompt_saved)
1342: free(ud);
1.158 nicm 1343: goto changed;
1.155 nicm 1344: case '\024': /* C-t */
1.30 nicm 1345: idx = c->prompt_index;
1346: if (idx < size)
1347: idx++;
1348: if (idx >= 2) {
1.152 nicm 1349: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1350: utf8_copy(&c->prompt_buffer[idx - 2],
1351: &c->prompt_buffer[idx - 1]);
1352: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1353: c->prompt_index = idx;
1.158 nicm 1354: goto changed;
1.30 nicm 1355: }
1.1 nicm 1356: break;
1.155 nicm 1357: case '\r':
1358: case '\n':
1.152 nicm 1359: s = utf8_tocstr(c->prompt_buffer);
1360: if (*s != '\0')
1361: status_prompt_add_history(s);
1.166 nicm 1362: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1363: status_prompt_clear(c);
1.152 nicm 1364: free(s);
1.25 nicm 1365: break;
1.155 nicm 1366: case '\033': /* Escape */
1367: case '\003': /* C-c */
1.174 nicm 1368: case '\007': /* C-g */
1.166 nicm 1369: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1370: status_prompt_clear(c);
1371: break;
1.158 nicm 1372: case '\022': /* C-r */
1373: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1374: prefix = '-';
1375: goto changed;
1376: }
1377: break;
1378: case '\023': /* C-s */
1379: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1380: prefix = '+';
1381: goto changed;
1382: }
1383: break;
1384: default:
1385: goto append_key;
1.154 nicm 1386: }
1.152 nicm 1387:
1.177 nicm 1388: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1389: return (0);
1390:
1.154 nicm 1391: append_key:
1392: if (key <= 0x1f || key >= KEYC_BASE)
1393: return (0);
1394: if (utf8_split(key, &tmp) != UTF8_DONE)
1395: return (0);
1.1 nicm 1396:
1.154 nicm 1397: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1398: sizeof *c->prompt_buffer);
1.1 nicm 1399:
1.154 nicm 1400: if (c->prompt_index == size) {
1401: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1402: c->prompt_index++;
1403: c->prompt_buffer[c->prompt_index].size = 0;
1404: } else {
1405: memmove(c->prompt_buffer + c->prompt_index + 1,
1406: c->prompt_buffer + c->prompt_index,
1407: (size + 1 - c->prompt_index) *
1408: sizeof *c->prompt_buffer);
1409: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1410: c->prompt_index++;
1411: }
1.1 nicm 1412:
1.154 nicm 1413: if (c->prompt_flags & PROMPT_SINGLE) {
1414: s = utf8_tocstr(c->prompt_buffer);
1415: if (strlen(s) != 1)
1416: status_prompt_clear(c);
1.166 nicm 1417: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1418: status_prompt_clear(c);
1419: free(s);
1.1 nicm 1420: }
1.154 nicm 1421:
1.158 nicm 1422: changed:
1.177 nicm 1423: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1424: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1425: s = utf8_tocstr(c->prompt_buffer);
1426: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1427: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1428: free(cp);
1429: free(s);
1430: }
1.154 nicm 1431: return (0);
1.1 nicm 1432: }
1433:
1.65 nicm 1434: /* Get previous line from the history. */
1.151 nicm 1435: static const char *
1.65 nicm 1436: status_prompt_up_history(u_int *idx)
1437: {
1438: /*
1.128 nicm 1439: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1440: * empty.
1.65 nicm 1441: */
1442:
1.128 nicm 1443: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1444: return (NULL);
1445: (*idx)++;
1.128 nicm 1446: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1447: }
1448:
1449: /* Get next line from the history. */
1.151 nicm 1450: static const char *
1.65 nicm 1451: status_prompt_down_history(u_int *idx)
1452: {
1.128 nicm 1453: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1454: return ("");
1455: (*idx)--;
1456: if (*idx == 0)
1457: return ("");
1.128 nicm 1458: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1459: }
1460:
1.1 nicm 1461: /* Add line to the history. */
1.151 nicm 1462: static void
1.65 nicm 1463: status_prompt_add_history(const char *line)
1.1 nicm 1464: {
1.128 nicm 1465: size_t size;
1.65 nicm 1466:
1.128 nicm 1467: if (status_prompt_hsize > 0 &&
1468: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1469: return;
1470:
1.128 nicm 1471: if (status_prompt_hsize == PROMPT_HISTORY) {
1472: free(status_prompt_hlist[0]);
1.1 nicm 1473:
1.128 nicm 1474: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1475: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1476:
1.128 nicm 1477: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1478: return;
1479: }
1.1 nicm 1480:
1.128 nicm 1481: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1482: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1483: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1484: }
1485:
1486: /* Build completion list. */
1.183 nicm 1487: char **
1.128 nicm 1488: status_prompt_complete_list(u_int *size, const char *s)
1489: {
1.183 nicm 1490: char **list = NULL;
1491: const char **layout, *value, *cp;
1.128 nicm 1492: const struct cmd_entry **cmdent;
1493: const struct options_table_entry *oe;
1.183 nicm 1494: u_int items, idx;
1495: size_t slen = strlen(s), valuelen;
1496: struct options_entry *o;
1.128 nicm 1497: const char *layouts[] = {
1498: "even-horizontal", "even-vertical", "main-horizontal",
1499: "main-vertical", "tiled", NULL
1500: };
1.1 nicm 1501:
1.128 nicm 1502: *size = 0;
1.1 nicm 1503: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1504: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1505: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1506: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1507: }
1.56 nicm 1508: }
1.142 nicm 1509: for (oe = options_table; oe->name != NULL; oe++) {
1.183 nicm 1510: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1511: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1512: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1513: }
1514: }
1515: for (layout = layouts; *layout != NULL; layout++) {
1.183 nicm 1516: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1517: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1518: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1519: }
1520: }
1.183 nicm 1521: o = options_get_only(global_options, "command-alias");
1522: if (o != NULL && options_array_size(o, &items) != -1) {
1523: for (idx = 0; idx < items; idx++) {
1524: value = options_array_get(o, idx);
1525: if (value == NULL || (cp = strchr(value, '=')) == NULL)
1526: continue;
1527: valuelen = cp - value;
1528: if (slen > valuelen || strncmp(value, s, slen) != 0)
1529: continue;
1530: list = xreallocarray(list, (*size) + 1, sizeof *list);
1531: list[(*size)++] = xstrndup(value, valuelen);
1532: }
1533: }
1534: for (idx = 0; idx < (*size); idx++)
1535: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1536: return (list);
1537: }
1538:
1539: /* Find longest prefix. */
1.151 nicm 1540: static char *
1.183 nicm 1541: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1542: {
1543: char *out;
1544: u_int i;
1545: size_t j;
1546:
1547: out = xstrdup(list[0]);
1548: for (i = 1; i < size; i++) {
1549: j = strlen(list[i]);
1550: if (j > strlen(out))
1551: j = strlen(out);
1552: for (; j > 0; j--) {
1553: if (out[j - 1] != list[i][j - 1])
1554: out[j - 1] = '\0';
1555: }
1.1 nicm 1556: }
1.128 nicm 1557: return (out);
1558: }
1.1 nicm 1559:
1.128 nicm 1560: /* Complete word. */
1.151 nicm 1561: static char *
1.152 nicm 1562: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1563: {
1.183 nicm 1564: char **list = NULL;
1565: const char *colon;
1.128 nicm 1566: u_int size = 0, i;
1567: struct session *s_loop;
1568: struct winlink *wl;
1569: struct window *w;
1570: char *copy, *out, *tmp;
1571:
1572: if (*s == '\0')
1.1 nicm 1573: return (NULL);
1.128 nicm 1574: out = NULL;
1575:
1576: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1577: list = status_prompt_complete_list(&size, s);
1578: if (size == 0)
1579: out = NULL;
1580: else if (size == 1)
1581: xasprintf(&out, "%s ", list[0]);
1582: else
1583: out = status_prompt_complete_prefix(list, size);
1.183 nicm 1584: for (i = 0; i < size; i++)
1585: free(list[i]);
1.128 nicm 1586: free(list);
1587: return (out);
1588: }
1589: copy = xstrdup(s);
1590:
1591: colon = ":";
1592: if (copy[strlen(copy) - 1] == ':')
1593: copy[strlen(copy) - 1] = '\0';
1594: else
1595: colon = "";
1596: s = copy + 2;
1.1 nicm 1597:
1.128 nicm 1598: RB_FOREACH(s_loop, sessions, &sessions) {
1599: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1600: list = xreallocarray(list, size + 2, sizeof *list);
1601: list[size++] = s_loop->name;
1602: }
1603: }
1604: if (size == 1) {
1605: out = xstrdup(list[0]);
1606: if (session_find(list[0]) != NULL)
1607: colon = ":";
1608: } else if (size != 0)
1609: out = status_prompt_complete_prefix(list, size);
1610: if (out != NULL) {
1611: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1612: free(out);
1.128 nicm 1613: out = tmp;
1614: goto found;
1615: }
1616:
1617: colon = "";
1618: if (*s == ':') {
1.152 nicm 1619: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1620: xasprintf(&tmp, ":%s", wl->window->name);
1621: if (strncmp(tmp, s, strlen(s)) == 0){
1622: list = xreallocarray(list, size + 1,
1623: sizeof *list);
1624: list[size++] = tmp;
1625: continue;
1626: }
1627: free(tmp);
1.1 nicm 1628:
1.128 nicm 1629: xasprintf(&tmp, ":%d", wl->idx);
1630: if (strncmp(tmp, s, strlen(s)) == 0) {
1631: list = xreallocarray(list, size + 1,
1632: sizeof *list);
1633: list[size++] = tmp;
1634: continue;
1635: }
1636: free(tmp);
1637: }
1638: } else {
1639: RB_FOREACH(s_loop, sessions, &sessions) {
1640: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1641: w = wl->window;
1642:
1643: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1644: if (strncmp(tmp, s, strlen(s)) == 0) {
1645: list = xreallocarray(list, size + 1,
1646: sizeof *list);
1647: list[size++] = tmp;
1648: continue;
1649: }
1650: free(tmp);
1651:
1652: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1653: if (strncmp(tmp, s, strlen(s)) == 0) {
1654: list = xreallocarray(list, size + 1,
1655: sizeof *list);
1656: list[size++] = tmp;
1657: continue;
1658: }
1659: free(tmp);
1660: }
1.1 nicm 1661: }
1662: }
1.128 nicm 1663: if (size == 1) {
1664: out = xstrdup(list[0]);
1665: colon = " ";
1666: } else if (size != 0)
1667: out = status_prompt_complete_prefix(list, size);
1668: if (out != NULL) {
1669: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1670: out = tmp;
1671: }
1672:
1673: for (i = 0; i < size; i++)
1674: free((void *)list[i]);
1675:
1676: found:
1677: free(copy);
1678: free(list);
1679: return (out);
1.1 nicm 1680: }
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