Annotation of src/usr.bin/tmux/status.c, Revision 1.188
1.188 ! nicm 1: /* $OpenBSD: status.c,v 1.187 2019/03/16 17:14:07 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
1.187 nicm 197: status_update_cache(struct session *s)
1.161 nicm 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:
1.187 nicm 299: /* Initialize status line. */
300: void
301: status_init(struct client *c)
302: {
303: struct status_line *sl = &c->status;
304:
305: screen_init(&sl->screen, c->tty.sx, 1, 0);
306: }
307:
1.186 nicm 308: /* Free status line. */
309: void
310: status_free(struct client *c)
311: {
312: struct status_line *sl = &c->status;
313:
314: if (event_initialized(&sl->timer))
315: evtimer_del(&sl->timer);
316:
1.187 nicm 317: screen_free(&sl->screen);
318: if (sl->old_screen != NULL) {
319: screen_free(sl->old_screen);
320: free(sl->old_screen);
321: }
322: }
323:
324: /* Save as old status line. */
325: static void
1.188 ! nicm 326: status_save_old(struct client *c)
1.187 nicm 327: {
1.188 ! nicm 328: struct status_line *sl = &c->status;
! 329:
1.187 nicm 330: if (sl->old_screen == NULL) {
331: sl->old_screen = xmalloc(sizeof *sl->old_screen);
332: memcpy(sl->old_screen, &sl->screen, sizeof *sl->old_screen);
1.188 ! nicm 333: screen_init(&c->status.screen, c->tty.sx, 1, 0);
1.187 nicm 334: }
335: }
336:
337: /* Free old status line. */
338: static void
1.188 ! nicm 339: status_free_old(struct client *c)
1.187 nicm 340: {
1.188 ! nicm 341: struct status_line *sl = &c->status;
! 342:
1.187 nicm 343: if (sl->old_screen != NULL) {
344: screen_free(sl->old_screen);
345: free(sl->old_screen);
346: sl->old_screen = NULL;
1.186 nicm 347: }
348: }
349:
350: /* Draw status line for client. */
1.1 nicm 351: int
352: status_redraw(struct client *c)
353: {
1.187 nicm 354: struct status_line *sl = &c->status;
1.159 nicm 355: struct screen_write_ctx ctx;
356: struct session *s = c->session;
357: struct winlink *wl;
1.187 nicm 358: struct screen old_screen, window_list;
1.159 nicm 359: struct grid_cell stdgc, lgc, rgc, gc;
360: struct options *oo;
361: char *left, *right;
362: const char *sep;
1.169 nicm 363: u_int offset, needed, lines;
1.159 nicm 364: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
365: size_t llen, rlen, seplen;
366: int larrow, rarrow;
1.1 nicm 367:
1.167 nicm 368: /* Delete the saved status line, if any. */
1.188 ! nicm 369: status_free_old(c);
1.167 nicm 370:
1.49 nicm 371: /* No status line? */
1.182 nicm 372: lines = status_line_size(c);
1.169 nicm 373: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 374: return (1);
1.48 nicm 375: left = right = NULL;
1.7 nicm 376: larrow = rarrow = 0;
1.1 nicm 377:
1.48 nicm 378: /* Set up default colour. */
1.137 nicm 379: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 380:
1.48 nicm 381: /* Create the target screen. */
1.187 nicm 382: memcpy(&old_screen, &sl->screen, sizeof old_screen);
383: screen_init(&sl->screen, c->tty.sx, lines, 0);
384: screen_write_start(&ctx, NULL, &sl->screen);
1.170 nicm 385: for (offset = 0; offset < lines * c->tty.sx; offset++)
386: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 387: screen_write_stop(&ctx);
388:
1.169 nicm 389: /* If the height is too small, blank status line. */
390: if (c->tty.sy < lines)
1.48 nicm 391: goto out;
1.1 nicm 392:
1.48 nicm 393: /* Work out left and right strings. */
394: memcpy(&lgc, &stdgc, sizeof lgc);
1.185 nicm 395: left = status_redraw_get_left(c, &lgc, &llen);
1.48 nicm 396: memcpy(&rgc, &stdgc, sizeof rgc);
1.185 nicm 397: right = status_redraw_get_right(c, &rgc, &rlen);
1.1 nicm 398:
399: /*
1.48 nicm 400: * Figure out how much space we have for the window list. If there
401: * isn't enough space, just show a blank status line.
1.1 nicm 402: */
1.55 nicm 403: needed = 0;
1.1 nicm 404: if (llen != 0)
1.118 nicm 405: needed += llen;
1.1 nicm 406: if (rlen != 0)
1.118 nicm 407: needed += rlen;
1.48 nicm 408: if (c->tty.sx == 0 || c->tty.sx <= needed)
409: goto out;
410: wlavailable = c->tty.sx - needed;
1.1 nicm 411:
1.48 nicm 412: /* Calculate the total size needed for the window list. */
413: wlstart = wloffset = wlwidth = 0;
1.1 nicm 414: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 415: free(wl->status_text);
1.48 nicm 416: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
1.185 nicm 417: wl->status_text = status_print(c, wl, &wl->status_cell);
1.139 nicm 418: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 419:
1.1 nicm 420: if (wl == s->curw)
1.48 nicm 421: wloffset = wlwidth;
1.91 nicm 422:
1.137 nicm 423: oo = wl->window->options;
1.91 nicm 424: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 425: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 426: wlwidth += wl->status_width + seplen;
1.48 nicm 427: }
428:
429: /* Create a new screen for the window list. */
430: screen_init(&window_list, wlwidth, 1, 0);
431:
432: /* And draw the window list into it. */
433: screen_write_start(&ctx, NULL, &window_list);
434: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 435: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
436: wl->status_text);
1.91 nicm 437:
1.137 nicm 438: oo = wl->window->options;
1.91 nicm 439: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 440: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 441: }
1.48 nicm 442: screen_write_stop(&ctx);
1.1 nicm 443:
1.48 nicm 444: /* If there is enough space for the total width, skip to draw now. */
445: if (wlwidth <= wlavailable)
1.1 nicm 446: goto draw;
447:
448: /* Find size of current window text. */
1.48 nicm 449: wlsize = s->curw->status_width;
1.1 nicm 450:
451: /*
1.48 nicm 452: * If the current window is already on screen, good to draw from the
1.1 nicm 453: * start and just leave off the end.
454: */
1.48 nicm 455: if (wloffset + wlsize < wlavailable) {
456: if (wlavailable > 0) {
457: rarrow = 1;
458: wlavailable--;
459: }
460: wlwidth = wlavailable;
461: } else {
462: /*
463: * Work out how many characters we need to omit from the
464: * start. There are wlavailable characters to fill, and
465: * wloffset + wlsize must be the last. So, the start character
466: * is wloffset + wlsize - wlavailable.
467: */
468: if (wlavailable > 0) {
469: larrow = 1;
470: wlavailable--;
471: }
1.55 nicm 472:
1.48 nicm 473: wlstart = wloffset + wlsize - wlavailable;
474: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 475: rarrow = 1;
1.48 nicm 476: wlstart++;
477: wlavailable--;
1.1 nicm 478: }
1.48 nicm 479: wlwidth = wlavailable;
480: }
1.1 nicm 481:
1.48 nicm 482: /* Bail if anything is now too small too. */
483: if (wlwidth == 0 || wlavailable == 0) {
484: screen_free(&window_list);
485: goto out;
1.1 nicm 486: }
487:
488: /*
1.48 nicm 489: * Now the start position is known, work out the state of the left and
490: * right arrows.
1.1 nicm 491: */
492: offset = 0;
493: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 494: if (wl->flags & WINLINK_ALERTFLAGS &&
495: larrow == 1 && offset < wlstart)
496: larrow = -1;
1.1 nicm 497:
1.48 nicm 498: offset += wl->status_width;
1.1 nicm 499:
1.63 nicm 500: if (wl->flags & WINLINK_ALERTFLAGS &&
501: rarrow == 1 && offset > wlstart + wlwidth)
502: rarrow = -1;
1.1 nicm 503: }
504:
1.48 nicm 505: draw:
1.55 nicm 506: /* Begin drawing. */
1.187 nicm 507: screen_write_start(&ctx, NULL, &sl->screen);
1.1 nicm 508:
1.48 nicm 509: /* Draw the left string and arrow. */
1.184 nicm 510: screen_write_cursormove(&ctx, 0, 0, 0);
1.118 nicm 511: if (llen != 0)
1.139 nicm 512: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 513: if (larrow != 0) {
514: memcpy(&gc, &stdgc, sizeof gc);
515: if (larrow == -1)
516: gc.attr ^= GRID_ATTR_REVERSE;
517: screen_write_putc(&ctx, &gc, '<');
518: }
1.48 nicm 519:
520: /* Draw the right string and arrow. */
1.1 nicm 521: if (rarrow != 0) {
1.184 nicm 522: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0, 0);
1.1 nicm 523: memcpy(&gc, &stdgc, sizeof gc);
524: if (rarrow == -1)
525: gc.attr ^= GRID_ATTR_REVERSE;
526: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 527: } else
1.184 nicm 528: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0, 0);
1.118 nicm 529: if (rlen != 0)
1.139 nicm 530: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 531:
1.48 nicm 532: /* Figure out the offset for the window list. */
1.58 nicm 533: if (llen != 0)
1.118 nicm 534: wloffset = llen;
1.58 nicm 535: else
536: wloffset = 0;
1.48 nicm 537: if (wlwidth < wlavailable) {
1.137 nicm 538: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 539: case 1: /* centred */
1.58 nicm 540: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 541: break;
542: case 2: /* right */
1.58 nicm 543: wloffset += (wlavailable - wlwidth);
1.48 nicm 544: break;
545: }
546: }
547: if (larrow != 0)
548: wloffset++;
549:
550: /* Copy the window list. */
1.187 nicm 551: sl->window_list_offset = -wloffset + wlstart;
1.184 nicm 552: screen_write_cursormove(&ctx, wloffset, 0, 0);
1.171 nicm 553: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 554: screen_free(&window_list);
1.179 nicm 555:
556: /* Save left and right size. */
1.187 nicm 557: sl->left_size = llen;
558: sl->right_size = rlen;
1.1 nicm 559:
1.48 nicm 560: screen_write_stop(&ctx);
1.1 nicm 561:
562: out:
1.94 nicm 563: free(left);
564: free(right);
1.1 nicm 565:
1.187 nicm 566: if (grid_compare(sl->screen.grid, old_screen.grid) == 0) {
567: screen_free(&old_screen);
1.1 nicm 568: return (0);
569: }
1.187 nicm 570: screen_free(&old_screen);
1.1 nicm 571: return (1);
572: }
573:
1.46 nicm 574: /* Replace special sequences in fmt. */
1.151 nicm 575: static char *
1.185 nicm 576: status_replace(struct client *c, struct winlink *wl, const char *fmt)
1.46 nicm 577: {
1.96 nicm 578: struct format_tree *ft;
1.129 nicm 579: char *expanded;
1.160 nicm 580: u_int tag;
1.47 nicm 581:
1.93 nicm 582: if (fmt == NULL)
583: return (xstrdup(""));
584:
1.160 nicm 585: if (wl != NULL)
586: tag = FORMAT_WINDOW|wl->window->id;
587: else
588: tag = FORMAT_NONE;
1.135 nicm 589: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 590: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 591: else
1.164 nicm 592: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 593: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 594:
1.185 nicm 595: expanded = format_expand_time(ft, fmt);
1.46 nicm 596:
1.99 nicm 597: format_free(ft);
598: return (expanded);
1.1 nicm 599: }
600:
1.46 nicm 601: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 602: static char *
1.185 nicm 603: status_print(struct client *c, struct winlink *wl, struct grid_cell *gc)
1.1 nicm 604: {
1.137 nicm 605: struct options *oo = wl->window->options;
1.47 nicm 606: struct session *s = c->session;
607: const char *fmt;
608: char *text;
1.1 nicm 609:
1.108 nicm 610: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 611: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 612: if (wl == s->curw) {
1.108 nicm 613: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 614: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 615: }
1.108 nicm 616: if (wl == TAILQ_FIRST(&s->lastw))
617: style_apply_update(gc, oo, "window-status-last-style");
618:
619: if (wl->flags & WINLINK_BELL)
620: style_apply_update(gc, oo, "window-status-bell-style");
621: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
622: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 623:
1.185 nicm 624: text = status_replace(c, wl, fmt);
1.1 nicm 625: return (text);
626: }
627:
1.46 nicm 628: /* Set a status line message. */
1.117 nicm 629: void
1.10 nicm 630: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 631: {
1.162 nicm 632: struct timeval tv;
633: va_list ap;
634: int delay;
1.1 nicm 635:
1.12 nicm 636: status_message_clear(c);
1.188 ! nicm 637: status_save_old(c);
1.167 nicm 638:
1.28 nicm 639: va_start(ap, fmt);
640: xvasprintf(&c->message_string, fmt, ap);
641: va_end(ap);
642:
1.162 nicm 643: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 644:
1.137 nicm 645: delay = options_get_number(c->session->options, "display-time");
1.143 tim 646: if (delay > 0) {
647: tv.tv_sec = delay / 1000;
648: tv.tv_usec = (delay % 1000) * 1000L;
649:
650: if (event_initialized(&c->message_timer))
651: evtimer_del(&c->message_timer);
652: evtimer_set(&c->message_timer, status_message_callback, c);
653: evtimer_add(&c->message_timer, &tv);
654: }
1.1 nicm 655:
656: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 657: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 658: }
659:
1.46 nicm 660: /* Clear status line message. */
1.1 nicm 661: void
662: status_message_clear(struct client *c)
663: {
664: if (c->message_string == NULL)
665: return;
666:
1.94 nicm 667: free(c->message_string);
1.1 nicm 668: c->message_string = NULL;
669:
1.156 nicm 670: if (c->prompt_string == NULL)
671: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 672: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 673:
1.187 nicm 674: screen_reinit(&c->status.screen);
1.42 nicm 675: }
676:
1.46 nicm 677: /* Clear status line message after timer expires. */
1.151 nicm 678: static void
1.141 nicm 679: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 680: {
681: struct client *c = data;
682:
683: status_message_clear(c);
1.1 nicm 684: }
685:
686: /* Draw client message on status line of present else on last line. */
687: int
688: status_message_redraw(struct client *c)
689: {
690: struct screen_write_ctx ctx;
691: struct session *s = c->session;
692: struct screen old_status;
693: size_t len;
694: struct grid_cell gc;
1.170 nicm 695: u_int lines, offset;
1.1 nicm 696:
697: if (c->tty.sx == 0 || c->tty.sy == 0)
698: return (0);
1.187 nicm 699: memcpy(&old_status, &c->status.screen, sizeof old_status);
1.169 nicm 700:
1.182 nicm 701: lines = status_line_size(c);
1.173 nicm 702: if (lines <= 1) {
703: lines = 1;
1.187 nicm 704: screen_init(&c->status.screen, c->tty.sx, 1, 0);
1.173 nicm 705: } else
1.187 nicm 706: screen_init(&c->status.screen, c->tty.sx, lines, 0);
1.1 nicm 707:
1.139 nicm 708: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 709: if (len > c->tty.sx)
710: len = c->tty.sx;
711:
1.137 nicm 712: style_apply(&gc, s->options, "message-style");
1.1 nicm 713:
1.187 nicm 714: screen_write_start(&ctx, NULL, &c->status.screen);
1.184 nicm 715: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 716: for (offset = 0; offset < lines * c->tty.sx; offset++)
717: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 718: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 719: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 720: screen_write_stop(&ctx);
721:
1.187 nicm 722: if (grid_compare(c->status.screen.grid, old_status.grid) == 0) {
1.1 nicm 723: screen_free(&old_status);
724: return (0);
725: }
726: screen_free(&old_status);
727: return (1);
728: }
729:
1.46 nicm 730: /* Enable status line prompt. */
1.1 nicm 731: void
1.76 nicm 732: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 733: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 734: {
1.122 nicm 735: struct format_tree *ft;
1.165 nicm 736: char *tmp, *cp;
1.122 nicm 737:
1.164 nicm 738: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 739: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 740:
1.168 nicm 741: if (input == NULL)
742: input = "";
743: if (flags & PROMPT_NOFORMAT)
744: tmp = xstrdup(input);
745: else
1.185 nicm 746: tmp = format_expand_time(ft, input);
1.20 nicm 747:
1.12 nicm 748: status_message_clear(c);
749: status_prompt_clear(c);
1.188 ! nicm 750: status_save_old(c);
1.12 nicm 751:
1.185 nicm 752: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 753:
1.152 nicm 754: c->prompt_buffer = utf8_fromcstr(tmp);
755: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 756:
1.166 nicm 757: c->prompt_inputcb = inputcb;
758: c->prompt_freecb = freecb;
1.1 nicm 759: c->prompt_data = data;
760:
761: c->prompt_hindex = 0;
762:
763: c->prompt_flags = flags;
1.155 nicm 764: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 765:
1.158 nicm 766: if (~flags & PROMPT_INCREMENTAL)
767: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 768: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 769:
770: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
771: xasprintf(&cp, "=%s", tmp);
1.166 nicm 772: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 773: free(cp);
774: }
1.122 nicm 775:
1.152 nicm 776: free(tmp);
1.122 nicm 777: format_free(ft);
1.1 nicm 778: }
779:
1.46 nicm 780: /* Remove status line prompt. */
1.1 nicm 781: void
782: status_prompt_clear(struct client *c)
783: {
1.55 nicm 784: if (c->prompt_string == NULL)
1.1 nicm 785: return;
786:
1.166 nicm 787: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
788: c->prompt_freecb(c->prompt_data);
1.1 nicm 789:
1.94 nicm 790: free(c->prompt_string);
1.1 nicm 791: c->prompt_string = NULL;
792:
1.94 nicm 793: free(c->prompt_buffer);
1.1 nicm 794: c->prompt_buffer = NULL;
795:
1.181 nicm 796: free(c->prompt_saved);
797: c->prompt_saved = NULL;
798:
1.1 nicm 799: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 800: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 801:
1.187 nicm 802: screen_reinit(&c->status.screen);
1.27 nicm 803: }
804:
1.46 nicm 805: /* Update status line prompt with a new prompt string. */
1.27 nicm 806: void
1.76 nicm 807: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 808: {
1.122 nicm 809: struct format_tree *ft;
1.152 nicm 810: char *tmp;
1.122 nicm 811:
1.164 nicm 812: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 813: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 814:
1.185 nicm 815: tmp = format_expand_time(ft, input);
1.122 nicm 816:
1.94 nicm 817: free(c->prompt_string);
1.185 nicm 818: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 819:
1.94 nicm 820: free(c->prompt_buffer);
1.152 nicm 821: c->prompt_buffer = utf8_fromcstr(tmp);
822: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 823:
824: c->prompt_hindex = 0;
825:
1.177 nicm 826: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 827:
1.152 nicm 828: free(tmp);
1.122 nicm 829: format_free(ft);
1.1 nicm 830: }
831:
832: /* Draw client prompt on status line of present else on last line. */
833: int
834: status_prompt_redraw(struct client *c)
835: {
1.152 nicm 836: struct screen_write_ctx ctx;
837: struct session *s = c->session;
838: struct screen old_status;
839: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 840: u_int lines;
1.152 nicm 841: struct grid_cell gc, cursorgc;
1.1 nicm 842:
843: if (c->tty.sx == 0 || c->tty.sy == 0)
844: return (0);
1.187 nicm 845: memcpy(&old_status, &c->status.screen, sizeof old_status);
1.169 nicm 846:
1.182 nicm 847: lines = status_line_size(c);
1.173 nicm 848: if (lines <= 1) {
849: lines = 1;
1.187 nicm 850: screen_init(&c->status.screen, c->tty.sx, 1, 0);
1.173 nicm 851: } else
1.187 nicm 852: screen_init(&c->status.screen, c->tty.sx, lines, 0);
1.1 nicm 853:
1.155 nicm 854: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 855: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 856: else
1.137 nicm 857: style_apply(&gc, s->options, "message-style");
1.1 nicm 858:
1.152 nicm 859: memcpy(&cursorgc, &gc, sizeof cursorgc);
860: cursorgc.attr ^= GRID_ATTR_REVERSE;
861:
862: start = screen_write_strlen("%s", c->prompt_string);
863: if (start > c->tty.sx)
864: start = c->tty.sx;
865:
1.187 nicm 866: screen_write_start(&ctx, NULL, &c->status.screen);
1.184 nicm 867: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 868: for (offset = 0; offset < lines * c->tty.sx; offset++)
869: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 870: screen_write_cursormove(&ctx, 0, 0, 0);
1.152 nicm 871: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.184 nicm 872: screen_write_cursormove(&ctx, start, 0, 0);
1.1 nicm 873:
1.152 nicm 874: left = c->tty.sx - start;
875: if (left == 0)
876: goto finished;
877:
878: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
879: pwidth = utf8_strwidth(c->prompt_buffer, -1);
880: if (pcursor >= left) {
881: /*
882: * The cursor would be outside the screen so start drawing
883: * with it on the right.
884: */
885: offset = (pcursor - left) + 1;
886: pwidth = left;
887: } else
888: offset = 0;
889: if (pwidth > left)
890: pwidth = left;
891:
892: width = 0;
893: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
894: if (width < offset) {
895: width += c->prompt_buffer[i].width;
896: continue;
1.1 nicm 897: }
1.152 nicm 898: if (width >= offset + pwidth)
899: break;
900: width += c->prompt_buffer[i].width;
901: if (width > offset + pwidth)
902: break;
1.1 nicm 903:
1.152 nicm 904: if (i != c->prompt_index) {
905: utf8_copy(&gc.data, &c->prompt_buffer[i]);
906: screen_write_cell(&ctx, &gc);
907: } else {
908: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
909: screen_write_cell(&ctx, &cursorgc);
910: }
1.1 nicm 911: }
1.187 nicm 912: if (c->status.screen.cx < screen_size_x(&c->status.screen) &&
1.175 nicm 913: c->prompt_index >= i)
1.152 nicm 914: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 915:
1.152 nicm 916: finished:
1.1 nicm 917: screen_write_stop(&ctx);
1.51 nicm 918:
1.187 nicm 919: if (grid_compare(c->status.screen.grid, old_status.grid) == 0) {
1.1 nicm 920: screen_free(&old_status);
921: return (0);
922: }
923: screen_free(&old_status);
924: return (1);
925: }
926:
1.152 nicm 927: /* Is this a separator? */
928: static int
929: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
930: {
931: if (ud->size != 1 || ud->width != 1)
932: return (0);
933: return (strchr(ws, *ud->data) != NULL);
934: }
935:
936: /* Is this a space? */
937: static int
938: status_prompt_space(const struct utf8_data *ud)
939: {
940: if (ud->size != 1 || ud->width != 1)
941: return (0);
942: return (*ud->data == ' ');
943: }
944:
1.155 nicm 945: /*
946: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
947: * as an emacs key; return 2 to append to the buffer.
948: */
949: static int
950: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
951: {
952: if (c->prompt_mode == PROMPT_ENTRY) {
953: switch (key) {
954: case '\003': /* C-c */
955: case '\010': /* C-h */
956: case '\011': /* Tab */
957: case '\025': /* C-u */
958: case '\027': /* C-w */
959: case '\n':
960: case '\r':
961: case KEYC_BSPACE:
962: case KEYC_DC:
963: case KEYC_DOWN:
964: case KEYC_END:
965: case KEYC_HOME:
966: case KEYC_LEFT:
967: case KEYC_RIGHT:
968: case KEYC_UP:
969: *new_key = key;
970: return (1);
971: case '\033': /* Escape */
972: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 973: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 974: return (0);
975: }
976: *new_key = key;
977: return (2);
978: }
979:
980: switch (key) {
981: case 'A':
982: case 'I':
983: case 'C':
984: case 's':
985: case 'a':
986: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 987: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 988: break; /* switch mode and... */
989: case 'S':
990: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 991: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 992: *new_key = '\025'; /* C-u */
993: return (1);
994: case 'i':
995: case '\033': /* Escape */
996: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 997: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 998: return (0);
999: }
1000:
1001: switch (key) {
1002: case 'A':
1003: case '$':
1004: *new_key = KEYC_END;
1005: return (1);
1006: case 'I':
1007: case '0':
1008: case '^':
1009: *new_key = KEYC_HOME;
1010: return (1);
1011: case 'C':
1012: case 'D':
1013: *new_key = '\013'; /* C-k */
1014: return (1);
1015: case KEYC_BSPACE:
1016: case 'X':
1017: *new_key = KEYC_BSPACE;
1018: return (1);
1019: case 'b':
1020: case 'B':
1021: *new_key = 'b'|KEYC_ESCAPE;
1022: return (1);
1023: case 'd':
1024: *new_key = '\025';
1025: return (1);
1026: case 'e':
1027: case 'E':
1028: case 'w':
1029: case 'W':
1030: *new_key = 'f'|KEYC_ESCAPE;
1031: return (1);
1032: case 'p':
1033: *new_key = '\031'; /* C-y */
1034: return (1);
1035: case 's':
1036: case KEYC_DC:
1037: case 'x':
1038: *new_key = KEYC_DC;
1039: return (1);
1040: case KEYC_DOWN:
1041: case 'j':
1042: *new_key = KEYC_DOWN;
1043: return (1);
1044: case KEYC_LEFT:
1045: case 'h':
1046: *new_key = KEYC_LEFT;
1047: return (1);
1048: case 'a':
1049: case KEYC_RIGHT:
1050: case 'l':
1051: *new_key = KEYC_RIGHT;
1052: return (1);
1053: case KEYC_UP:
1054: case 'k':
1055: *new_key = KEYC_UP;
1056: return (1);
1057: case '\010' /* C-h */:
1058: case '\003' /* C-c */:
1059: case '\n':
1060: case '\r':
1061: return (1);
1062: }
1063: return (0);
1064: }
1065:
1.1 nicm 1066: /* Handle keys in prompt. */
1.154 nicm 1067: int
1.138 nicm 1068: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1069: {
1.152 nicm 1070: struct options *oo = c->session->options;
1.1 nicm 1071: struct paste_buffer *pb;
1.158 nicm 1072: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1073: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1074: u_char ch;
1.152 nicm 1075: size_t size, n, off, idx, bufsize, used;
1076: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1077: int keys;
1.1 nicm 1078:
1.152 nicm 1079: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1080:
1081: if (c->prompt_flags & PROMPT_NUMERIC) {
1082: if (key >= '0' && key <= '9')
1083: goto append_key;
1084: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1085: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1086: status_prompt_clear(c);
1087: free(s);
1088: return (1);
1089: }
1.180 nicm 1090: key &= ~KEYC_XTERM;
1.154 nicm 1091:
1.155 nicm 1092: keys = options_get_number(c->session->options, "status-keys");
1093: if (keys == MODEKEY_VI) {
1094: switch (status_prompt_translate_key(c, key, &key)) {
1095: case 1:
1096: goto process_key;
1097: case 2:
1098: goto append_key;
1099: default:
1100: return (0);
1101: }
1102: }
1103:
1104: process_key:
1105: switch (key) {
1106: case KEYC_LEFT:
1107: case '\002': /* C-b */
1.1 nicm 1108: if (c->prompt_index > 0) {
1109: c->prompt_index--;
1.158 nicm 1110: break;
1.1 nicm 1111: }
1112: break;
1.155 nicm 1113: case KEYC_RIGHT:
1114: case '\006': /* C-f */
1.1 nicm 1115: if (c->prompt_index < size) {
1116: c->prompt_index++;
1.158 nicm 1117: break;
1.1 nicm 1118: }
1119: break;
1.155 nicm 1120: case KEYC_HOME:
1121: case '\001': /* C-a */
1.1 nicm 1122: if (c->prompt_index != 0) {
1123: c->prompt_index = 0;
1.158 nicm 1124: break;
1.1 nicm 1125: }
1126: break;
1.155 nicm 1127: case KEYC_END:
1128: case '\005': /* C-e */
1.1 nicm 1129: if (c->prompt_index != size) {
1130: c->prompt_index = size;
1.158 nicm 1131: break;
1.1 nicm 1132: }
1133: break;
1.155 nicm 1134: case '\011': /* Tab */
1.152 nicm 1135: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1136: break;
1137:
1138: idx = c->prompt_index;
1139: if (idx != 0)
1140: idx--;
1141:
1142: /* Find the word we are in. */
1.152 nicm 1143: first = &c->prompt_buffer[idx];
1144: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1145: first--;
1.152 nicm 1146: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1147: first++;
1.152 nicm 1148: last = &c->prompt_buffer[idx];
1149: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1150: last++;
1.152 nicm 1151: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1152: last--;
1.152 nicm 1153: if (last->size != 0)
1.1 nicm 1154: last++;
1.152 nicm 1155: if (last <= first)
1156: break;
1157:
1158: used = 0;
1159: for (ud = first; ud < last; ud++) {
1160: if (used + ud->size >= sizeof word)
1161: break;
1162: memcpy(word + used, ud->data, ud->size);
1163: used += ud->size;
1164: }
1165: if (ud != last)
1.1 nicm 1166: break;
1.152 nicm 1167: word[used] = '\0';
1.1 nicm 1168:
1169: /* And try to complete it. */
1.152 nicm 1170: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1171: break;
1172:
1173: /* Trim out word. */
1174: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1175: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1176: size -= last - first;
1177:
1178: /* Insert the new word. */
1.55 nicm 1179: size += strlen(s);
1.1 nicm 1180: off = first - c->prompt_buffer;
1.152 nicm 1181: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1182: sizeof *c->prompt_buffer);
1.1 nicm 1183: first = c->prompt_buffer + off;
1.152 nicm 1184: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1185: for (idx = 0; idx < strlen(s); idx++)
1186: utf8_set(&first[idx], s[idx]);
1.1 nicm 1187:
1188: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1189: free(s);
1.1 nicm 1190:
1.158 nicm 1191: goto changed;
1.155 nicm 1192: case KEYC_BSPACE:
1193: case '\010': /* C-h */
1.1 nicm 1194: if (c->prompt_index != 0) {
1195: if (c->prompt_index == size)
1.152 nicm 1196: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1197: else {
1198: memmove(c->prompt_buffer + c->prompt_index - 1,
1199: c->prompt_buffer + c->prompt_index,
1.152 nicm 1200: (size + 1 - c->prompt_index) *
1201: sizeof *c->prompt_buffer);
1.1 nicm 1202: c->prompt_index--;
1203: }
1.158 nicm 1204: goto changed;
1.1 nicm 1205: }
1206: break;
1.155 nicm 1207: case KEYC_DC:
1208: case '\004': /* C-d */
1.1 nicm 1209: if (c->prompt_index != size) {
1210: memmove(c->prompt_buffer + c->prompt_index,
1211: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1212: (size + 1 - c->prompt_index) *
1213: sizeof *c->prompt_buffer);
1.158 nicm 1214: goto changed;
1.18 nicm 1215: }
1.26 nicm 1216: break;
1.155 nicm 1217: case '\025': /* C-u */
1.152 nicm 1218: c->prompt_buffer[0].size = 0;
1.26 nicm 1219: c->prompt_index = 0;
1.158 nicm 1220: goto changed;
1.155 nicm 1221: case '\013': /* C-k */
1.18 nicm 1222: if (c->prompt_index < size) {
1.152 nicm 1223: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1224: goto changed;
1.1 nicm 1225: }
1226: break;
1.155 nicm 1227: case '\027': /* C-w */
1.152 nicm 1228: ws = options_get_string(oo, "word-separators");
1.81 nicm 1229: idx = c->prompt_index;
1230:
1231: /* Find a non-separator. */
1232: while (idx != 0) {
1233: idx--;
1.152 nicm 1234: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1235: break;
1236: }
1237:
1238: /* Find the separator at the beginning of the word. */
1239: while (idx != 0) {
1240: idx--;
1.152 nicm 1241: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1242: /* Go back to the word. */
1243: idx++;
1244: break;
1245: }
1246: }
1247:
1.181 nicm 1248: free(c->prompt_saved);
1249: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1250: (c->prompt_index - idx) + 1);
1251: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1252: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1253:
1.81 nicm 1254: memmove(c->prompt_buffer + idx,
1255: c->prompt_buffer + c->prompt_index,
1.152 nicm 1256: (size + 1 - c->prompt_index) *
1257: sizeof *c->prompt_buffer);
1.81 nicm 1258: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1259: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1260: c->prompt_index = idx;
1.152 nicm 1261:
1.158 nicm 1262: goto changed;
1.155 nicm 1263: case 'f'|KEYC_ESCAPE:
1.180 nicm 1264: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1265: ws = options_get_string(oo, "word-separators");
1.81 nicm 1266:
1267: /* Find a word. */
1268: while (c->prompt_index != size) {
1.152 nicm 1269: idx = ++c->prompt_index;
1270: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1271: break;
1272: }
1273:
1274: /* Find the separator at the end of the word. */
1275: while (c->prompt_index != size) {
1.152 nicm 1276: idx = ++c->prompt_index;
1277: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1278: break;
1279: }
1.106 nicm 1280:
1281: /* Back up to the end-of-word like vi. */
1282: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1283: c->prompt_index != 0)
1284: c->prompt_index--;
1.81 nicm 1285:
1.158 nicm 1286: goto changed;
1.155 nicm 1287: case 'b'|KEYC_ESCAPE:
1.180 nicm 1288: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1289: ws = options_get_string(oo, "word-separators");
1.81 nicm 1290:
1291: /* Find a non-separator. */
1292: while (c->prompt_index != 0) {
1.152 nicm 1293: idx = --c->prompt_index;
1294: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1295: break;
1296: }
1297:
1298: /* Find the separator at the beginning of the word. */
1299: while (c->prompt_index != 0) {
1.152 nicm 1300: idx = --c->prompt_index;
1301: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1302: /* Go back to the word. */
1303: c->prompt_index++;
1304: break;
1305: }
1306: }
1.158 nicm 1307: goto changed;
1.155 nicm 1308: case KEYC_UP:
1309: case '\020': /* C-p */
1.66 nicm 1310: histstr = status_prompt_up_history(&c->prompt_hindex);
1311: if (histstr == NULL)
1.1 nicm 1312: break;
1.94 nicm 1313: free(c->prompt_buffer);
1.152 nicm 1314: c->prompt_buffer = utf8_fromcstr(histstr);
1315: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1316: goto changed;
1.155 nicm 1317: case KEYC_DOWN:
1318: case '\016': /* C-n */
1.66 nicm 1319: histstr = status_prompt_down_history(&c->prompt_hindex);
1320: if (histstr == NULL)
1.65 nicm 1321: break;
1.94 nicm 1322: free(c->prompt_buffer);
1.152 nicm 1323: c->prompt_buffer = utf8_fromcstr(histstr);
1324: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1325: goto changed;
1.155 nicm 1326: case '\031': /* C-y */
1.181 nicm 1327: if (c->prompt_saved != NULL) {
1328: ud = c->prompt_saved;
1329: n = utf8_strlen(c->prompt_saved);
1330: } else {
1331: if ((pb = paste_get_top(NULL)) == NULL)
1.32 nicm 1332: break;
1.181 nicm 1333: bufdata = paste_buffer_data(pb, &bufsize);
1334: for (n = 0; n < bufsize; n++) {
1335: ch = (u_char)bufdata[n];
1336: if (ch < 32 || ch >= 127)
1337: break;
1338: }
1339: ud = xreallocarray(NULL, n, sizeof *ud);
1340: for (idx = 0; idx < n; idx++)
1341: utf8_set(&ud[idx], bufdata[idx]);
1.32 nicm 1342: }
1.1 nicm 1343:
1.152 nicm 1344: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1345: sizeof *c->prompt_buffer);
1.1 nicm 1346: if (c->prompt_index == size) {
1.181 nicm 1347: memcpy(c->prompt_buffer + c->prompt_index, ud,
1348: n * sizeof *c->prompt_buffer);
1.1 nicm 1349: c->prompt_index += n;
1.152 nicm 1350: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1351: } else {
1352: memmove(c->prompt_buffer + c->prompt_index + n,
1353: c->prompt_buffer + c->prompt_index,
1.152 nicm 1354: (size + 1 - c->prompt_index) *
1355: sizeof *c->prompt_buffer);
1.181 nicm 1356: memcpy(c->prompt_buffer + c->prompt_index, ud,
1357: n * sizeof *c->prompt_buffer);
1.1 nicm 1358: c->prompt_index += n;
1359: }
1.181 nicm 1360:
1361: if (ud != c->prompt_saved)
1362: free(ud);
1.158 nicm 1363: goto changed;
1.155 nicm 1364: case '\024': /* C-t */
1.30 nicm 1365: idx = c->prompt_index;
1366: if (idx < size)
1367: idx++;
1368: if (idx >= 2) {
1.152 nicm 1369: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1370: utf8_copy(&c->prompt_buffer[idx - 2],
1371: &c->prompt_buffer[idx - 1]);
1372: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1373: c->prompt_index = idx;
1.158 nicm 1374: goto changed;
1.30 nicm 1375: }
1.1 nicm 1376: break;
1.155 nicm 1377: case '\r':
1378: case '\n':
1.152 nicm 1379: s = utf8_tocstr(c->prompt_buffer);
1380: if (*s != '\0')
1381: status_prompt_add_history(s);
1.166 nicm 1382: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1383: status_prompt_clear(c);
1.152 nicm 1384: free(s);
1.25 nicm 1385: break;
1.155 nicm 1386: case '\033': /* Escape */
1387: case '\003': /* C-c */
1.174 nicm 1388: case '\007': /* C-g */
1.166 nicm 1389: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1390: status_prompt_clear(c);
1391: break;
1.158 nicm 1392: case '\022': /* C-r */
1393: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1394: prefix = '-';
1395: goto changed;
1396: }
1397: break;
1398: case '\023': /* C-s */
1399: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1400: prefix = '+';
1401: goto changed;
1402: }
1403: break;
1404: default:
1405: goto append_key;
1.154 nicm 1406: }
1.152 nicm 1407:
1.177 nicm 1408: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1409: return (0);
1410:
1.154 nicm 1411: append_key:
1412: if (key <= 0x1f || key >= KEYC_BASE)
1413: return (0);
1414: if (utf8_split(key, &tmp) != UTF8_DONE)
1415: return (0);
1.1 nicm 1416:
1.154 nicm 1417: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1418: sizeof *c->prompt_buffer);
1.1 nicm 1419:
1.154 nicm 1420: if (c->prompt_index == size) {
1421: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1422: c->prompt_index++;
1423: c->prompt_buffer[c->prompt_index].size = 0;
1424: } else {
1425: memmove(c->prompt_buffer + c->prompt_index + 1,
1426: c->prompt_buffer + c->prompt_index,
1427: (size + 1 - c->prompt_index) *
1428: sizeof *c->prompt_buffer);
1429: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1430: c->prompt_index++;
1431: }
1.1 nicm 1432:
1.154 nicm 1433: if (c->prompt_flags & PROMPT_SINGLE) {
1434: s = utf8_tocstr(c->prompt_buffer);
1435: if (strlen(s) != 1)
1436: status_prompt_clear(c);
1.166 nicm 1437: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1438: status_prompt_clear(c);
1439: free(s);
1.1 nicm 1440: }
1.154 nicm 1441:
1.158 nicm 1442: changed:
1.177 nicm 1443: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1444: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1445: s = utf8_tocstr(c->prompt_buffer);
1446: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1447: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1448: free(cp);
1449: free(s);
1450: }
1.154 nicm 1451: return (0);
1.1 nicm 1452: }
1453:
1.65 nicm 1454: /* Get previous line from the history. */
1.151 nicm 1455: static const char *
1.65 nicm 1456: status_prompt_up_history(u_int *idx)
1457: {
1458: /*
1.128 nicm 1459: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1460: * empty.
1.65 nicm 1461: */
1462:
1.128 nicm 1463: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1464: return (NULL);
1465: (*idx)++;
1.128 nicm 1466: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1467: }
1468:
1469: /* Get next line from the history. */
1.151 nicm 1470: static const char *
1.65 nicm 1471: status_prompt_down_history(u_int *idx)
1472: {
1.128 nicm 1473: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1474: return ("");
1475: (*idx)--;
1476: if (*idx == 0)
1477: return ("");
1.128 nicm 1478: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1479: }
1480:
1.1 nicm 1481: /* Add line to the history. */
1.151 nicm 1482: static void
1.65 nicm 1483: status_prompt_add_history(const char *line)
1.1 nicm 1484: {
1.128 nicm 1485: size_t size;
1.65 nicm 1486:
1.128 nicm 1487: if (status_prompt_hsize > 0 &&
1488: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1489: return;
1490:
1.128 nicm 1491: if (status_prompt_hsize == PROMPT_HISTORY) {
1492: free(status_prompt_hlist[0]);
1.1 nicm 1493:
1.128 nicm 1494: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1495: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1496:
1.128 nicm 1497: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1498: return;
1499: }
1.1 nicm 1500:
1.128 nicm 1501: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1502: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1503: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1504: }
1505:
1506: /* Build completion list. */
1.183 nicm 1507: char **
1.128 nicm 1508: status_prompt_complete_list(u_int *size, const char *s)
1509: {
1.183 nicm 1510: char **list = NULL;
1511: const char **layout, *value, *cp;
1.128 nicm 1512: const struct cmd_entry **cmdent;
1513: const struct options_table_entry *oe;
1.183 nicm 1514: u_int items, idx;
1515: size_t slen = strlen(s), valuelen;
1516: struct options_entry *o;
1.128 nicm 1517: const char *layouts[] = {
1518: "even-horizontal", "even-vertical", "main-horizontal",
1519: "main-vertical", "tiled", NULL
1520: };
1.1 nicm 1521:
1.128 nicm 1522: *size = 0;
1.1 nicm 1523: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1524: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1525: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1526: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1527: }
1.56 nicm 1528: }
1.142 nicm 1529: for (oe = options_table; oe->name != NULL; oe++) {
1.183 nicm 1530: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1531: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1532: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1533: }
1534: }
1535: for (layout = layouts; *layout != NULL; layout++) {
1.183 nicm 1536: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1537: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1538: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1539: }
1540: }
1.183 nicm 1541: o = options_get_only(global_options, "command-alias");
1542: if (o != NULL && options_array_size(o, &items) != -1) {
1543: for (idx = 0; idx < items; idx++) {
1544: value = options_array_get(o, idx);
1545: if (value == NULL || (cp = strchr(value, '=')) == NULL)
1546: continue;
1547: valuelen = cp - value;
1548: if (slen > valuelen || strncmp(value, s, slen) != 0)
1549: continue;
1550: list = xreallocarray(list, (*size) + 1, sizeof *list);
1551: list[(*size)++] = xstrndup(value, valuelen);
1552: }
1553: }
1554: for (idx = 0; idx < (*size); idx++)
1555: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1556: return (list);
1557: }
1558:
1559: /* Find longest prefix. */
1.151 nicm 1560: static char *
1.183 nicm 1561: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1562: {
1563: char *out;
1564: u_int i;
1565: size_t j;
1566:
1567: out = xstrdup(list[0]);
1568: for (i = 1; i < size; i++) {
1569: j = strlen(list[i]);
1570: if (j > strlen(out))
1571: j = strlen(out);
1572: for (; j > 0; j--) {
1573: if (out[j - 1] != list[i][j - 1])
1574: out[j - 1] = '\0';
1575: }
1.1 nicm 1576: }
1.128 nicm 1577: return (out);
1578: }
1.1 nicm 1579:
1.128 nicm 1580: /* Complete word. */
1.151 nicm 1581: static char *
1.152 nicm 1582: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1583: {
1.183 nicm 1584: char **list = NULL;
1585: const char *colon;
1.128 nicm 1586: u_int size = 0, i;
1587: struct session *s_loop;
1588: struct winlink *wl;
1589: struct window *w;
1590: char *copy, *out, *tmp;
1591:
1592: if (*s == '\0')
1.1 nicm 1593: return (NULL);
1.128 nicm 1594: out = NULL;
1595:
1596: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1597: list = status_prompt_complete_list(&size, s);
1598: if (size == 0)
1599: out = NULL;
1600: else if (size == 1)
1601: xasprintf(&out, "%s ", list[0]);
1602: else
1603: out = status_prompt_complete_prefix(list, size);
1.183 nicm 1604: for (i = 0; i < size; i++)
1605: free(list[i]);
1.128 nicm 1606: free(list);
1607: return (out);
1608: }
1609: copy = xstrdup(s);
1610:
1611: colon = ":";
1612: if (copy[strlen(copy) - 1] == ':')
1613: copy[strlen(copy) - 1] = '\0';
1614: else
1615: colon = "";
1616: s = copy + 2;
1.1 nicm 1617:
1.128 nicm 1618: RB_FOREACH(s_loop, sessions, &sessions) {
1619: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1620: list = xreallocarray(list, size + 2, sizeof *list);
1621: list[size++] = s_loop->name;
1622: }
1623: }
1624: if (size == 1) {
1625: out = xstrdup(list[0]);
1626: if (session_find(list[0]) != NULL)
1627: colon = ":";
1628: } else if (size != 0)
1629: out = status_prompt_complete_prefix(list, size);
1630: if (out != NULL) {
1631: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1632: free(out);
1.128 nicm 1633: out = tmp;
1634: goto found;
1635: }
1636:
1637: colon = "";
1638: if (*s == ':') {
1.152 nicm 1639: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1640: xasprintf(&tmp, ":%s", wl->window->name);
1641: if (strncmp(tmp, s, strlen(s)) == 0){
1642: list = xreallocarray(list, size + 1,
1643: sizeof *list);
1644: list[size++] = tmp;
1645: continue;
1646: }
1647: free(tmp);
1.1 nicm 1648:
1.128 nicm 1649: xasprintf(&tmp, ":%d", wl->idx);
1650: if (strncmp(tmp, s, strlen(s)) == 0) {
1651: list = xreallocarray(list, size + 1,
1652: sizeof *list);
1653: list[size++] = tmp;
1654: continue;
1655: }
1656: free(tmp);
1657: }
1658: } else {
1659: RB_FOREACH(s_loop, sessions, &sessions) {
1660: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1661: w = wl->window;
1662:
1663: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1664: if (strncmp(tmp, s, strlen(s)) == 0) {
1665: list = xreallocarray(list, size + 1,
1666: sizeof *list);
1667: list[size++] = tmp;
1668: continue;
1669: }
1670: free(tmp);
1671:
1672: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1673: if (strncmp(tmp, s, strlen(s)) == 0) {
1674: list = xreallocarray(list, size + 1,
1675: sizeof *list);
1676: list[size++] = tmp;
1677: continue;
1678: }
1679: free(tmp);
1680: }
1.1 nicm 1681: }
1682: }
1.128 nicm 1683: if (size == 1) {
1684: out = xstrdup(list[0]);
1685: colon = " ";
1686: } else if (size != 0)
1687: out = status_prompt_complete_prefix(list, size);
1688: if (out != NULL) {
1689: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1690: out = tmp;
1691: }
1692:
1693: for (i = 0; i < size; i++)
1694: free((void *)list[i]);
1695:
1696: found:
1697: free(copy);
1698: free(list);
1699: return (out);
1.1 nicm 1700: }
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