Annotation of src/usr.bin/tmux/status.c, Revision 1.189
1.189 ! nicm 1: /* $OpenBSD: status.c,v 1.188 2019/03/16 17:53:55 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:
1.189 ! nicm 299: /* Save old status line. */
! 300: static void
! 301: status_push_screen(struct client *c)
! 302: {
! 303: struct status_line *sl = &c->status;
! 304:
! 305: if (sl->active == &sl->screen) {
! 306: sl->active = xmalloc(sizeof *sl->active);
! 307: screen_init(sl->active, c->tty.sx, status_line_size(c), 0);
! 308: }
! 309: sl->references++;
! 310: }
! 311:
! 312: /* Restore old status line. */
! 313: static void
! 314: status_pop_screen(struct client *c)
! 315: {
! 316: struct status_line *sl = &c->status;
! 317:
! 318: if (--sl->references == 0) {
! 319: screen_free(sl->active);
! 320: free(sl->active);
! 321: sl->active = &sl->screen;
! 322: }
! 323: }
! 324:
1.187 nicm 325: /* Initialize status line. */
326: void
327: status_init(struct client *c)
328: {
329: struct status_line *sl = &c->status;
330:
331: screen_init(&sl->screen, c->tty.sx, 1, 0);
1.189 ! nicm 332: sl->active = &sl->screen;
1.187 nicm 333: }
334:
1.186 nicm 335: /* Free status line. */
336: void
337: status_free(struct client *c)
338: {
339: struct status_line *sl = &c->status;
340:
341: if (event_initialized(&sl->timer))
342: evtimer_del(&sl->timer);
343:
1.189 ! nicm 344: if (sl->active != &sl->screen) {
! 345: screen_free(sl->active);
! 346: free(sl->active);
! 347: }
1.187 nicm 348: screen_free(&sl->screen);
1.186 nicm 349: }
350:
351: /* Draw status line for client. */
1.1 nicm 352: int
353: status_redraw(struct client *c)
354: {
1.187 nicm 355: struct status_line *sl = &c->status;
1.159 nicm 356: struct screen_write_ctx ctx;
357: struct session *s = c->session;
358: struct winlink *wl;
1.187 nicm 359: struct screen old_screen, window_list;
1.159 nicm 360: struct grid_cell stdgc, lgc, rgc, gc;
361: struct options *oo;
362: char *left, *right;
363: const char *sep;
1.169 nicm 364: u_int offset, needed, lines;
1.159 nicm 365: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
366: size_t llen, rlen, seplen;
367: int larrow, rarrow;
1.1 nicm 368:
1.189 ! nicm 369: /* Shouldn't get here if not the active screen. */
! 370: if (sl->active != &sl->screen)
! 371: fatalx("not the active screen");
1.167 nicm 372:
1.49 nicm 373: /* No status line? */
1.182 nicm 374: lines = status_line_size(c);
1.169 nicm 375: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 376: return (1);
1.48 nicm 377: left = right = NULL;
1.7 nicm 378: larrow = rarrow = 0;
1.1 nicm 379:
1.48 nicm 380: /* Set up default colour. */
1.137 nicm 381: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 382:
1.48 nicm 383: /* Create the target screen. */
1.189 ! nicm 384: memcpy(&old_screen, sl->active, sizeof old_screen);
! 385: screen_init(sl->active, c->tty.sx, lines, 0);
! 386: screen_write_start(&ctx, NULL, sl->active);
1.170 nicm 387: for (offset = 0; offset < lines * c->tty.sx; offset++)
388: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 389: screen_write_stop(&ctx);
390:
1.169 nicm 391: /* If the height is too small, blank status line. */
392: if (c->tty.sy < lines)
1.48 nicm 393: goto out;
1.1 nicm 394:
1.48 nicm 395: /* Work out left and right strings. */
396: memcpy(&lgc, &stdgc, sizeof lgc);
1.185 nicm 397: left = status_redraw_get_left(c, &lgc, &llen);
1.48 nicm 398: memcpy(&rgc, &stdgc, sizeof rgc);
1.185 nicm 399: right = status_redraw_get_right(c, &rgc, &rlen);
1.1 nicm 400:
401: /*
1.48 nicm 402: * Figure out how much space we have for the window list. If there
403: * isn't enough space, just show a blank status line.
1.1 nicm 404: */
1.55 nicm 405: needed = 0;
1.1 nicm 406: if (llen != 0)
1.118 nicm 407: needed += llen;
1.1 nicm 408: if (rlen != 0)
1.118 nicm 409: needed += rlen;
1.48 nicm 410: if (c->tty.sx == 0 || c->tty.sx <= needed)
411: goto out;
412: wlavailable = c->tty.sx - needed;
1.1 nicm 413:
1.48 nicm 414: /* Calculate the total size needed for the window list. */
415: wlstart = wloffset = wlwidth = 0;
1.1 nicm 416: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 417: free(wl->status_text);
1.48 nicm 418: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
1.185 nicm 419: wl->status_text = status_print(c, wl, &wl->status_cell);
1.139 nicm 420: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 421:
1.1 nicm 422: if (wl == s->curw)
1.48 nicm 423: wloffset = wlwidth;
1.91 nicm 424:
1.137 nicm 425: oo = wl->window->options;
1.91 nicm 426: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 427: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 428: wlwidth += wl->status_width + seplen;
1.48 nicm 429: }
430:
431: /* Create a new screen for the window list. */
432: screen_init(&window_list, wlwidth, 1, 0);
433:
434: /* And draw the window list into it. */
435: screen_write_start(&ctx, NULL, &window_list);
436: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 437: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
438: wl->status_text);
1.91 nicm 439:
1.137 nicm 440: oo = wl->window->options;
1.91 nicm 441: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 442: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 443: }
1.48 nicm 444: screen_write_stop(&ctx);
1.1 nicm 445:
1.48 nicm 446: /* If there is enough space for the total width, skip to draw now. */
447: if (wlwidth <= wlavailable)
1.1 nicm 448: goto draw;
449:
450: /* Find size of current window text. */
1.48 nicm 451: wlsize = s->curw->status_width;
1.1 nicm 452:
453: /*
1.48 nicm 454: * If the current window is already on screen, good to draw from the
1.1 nicm 455: * start and just leave off the end.
456: */
1.48 nicm 457: if (wloffset + wlsize < wlavailable) {
458: if (wlavailable > 0) {
459: rarrow = 1;
460: wlavailable--;
461: }
462: wlwidth = wlavailable;
463: } else {
464: /*
465: * Work out how many characters we need to omit from the
466: * start. There are wlavailable characters to fill, and
467: * wloffset + wlsize must be the last. So, the start character
468: * is wloffset + wlsize - wlavailable.
469: */
470: if (wlavailable > 0) {
471: larrow = 1;
472: wlavailable--;
473: }
1.55 nicm 474:
1.48 nicm 475: wlstart = wloffset + wlsize - wlavailable;
476: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 477: rarrow = 1;
1.48 nicm 478: wlstart++;
479: wlavailable--;
1.1 nicm 480: }
1.48 nicm 481: wlwidth = wlavailable;
482: }
1.1 nicm 483:
1.48 nicm 484: /* Bail if anything is now too small too. */
485: if (wlwidth == 0 || wlavailable == 0) {
486: screen_free(&window_list);
487: goto out;
1.1 nicm 488: }
489:
490: /*
1.48 nicm 491: * Now the start position is known, work out the state of the left and
492: * right arrows.
1.1 nicm 493: */
494: offset = 0;
495: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 496: if (wl->flags & WINLINK_ALERTFLAGS &&
497: larrow == 1 && offset < wlstart)
498: larrow = -1;
1.1 nicm 499:
1.48 nicm 500: offset += wl->status_width;
1.1 nicm 501:
1.63 nicm 502: if (wl->flags & WINLINK_ALERTFLAGS &&
503: rarrow == 1 && offset > wlstart + wlwidth)
504: rarrow = -1;
1.1 nicm 505: }
506:
1.48 nicm 507: draw:
1.55 nicm 508: /* Begin drawing. */
1.189 ! nicm 509: screen_write_start(&ctx, NULL, sl->active);
1.1 nicm 510:
1.48 nicm 511: /* Draw the left string and arrow. */
1.184 nicm 512: screen_write_cursormove(&ctx, 0, 0, 0);
1.118 nicm 513: if (llen != 0)
1.139 nicm 514: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 515: if (larrow != 0) {
516: memcpy(&gc, &stdgc, sizeof gc);
517: if (larrow == -1)
518: gc.attr ^= GRID_ATTR_REVERSE;
519: screen_write_putc(&ctx, &gc, '<');
520: }
1.48 nicm 521:
522: /* Draw the right string and arrow. */
1.1 nicm 523: if (rarrow != 0) {
1.184 nicm 524: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0, 0);
1.1 nicm 525: memcpy(&gc, &stdgc, sizeof gc);
526: if (rarrow == -1)
527: gc.attr ^= GRID_ATTR_REVERSE;
528: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 529: } else
1.184 nicm 530: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0, 0);
1.118 nicm 531: if (rlen != 0)
1.139 nicm 532: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 533:
1.48 nicm 534: /* Figure out the offset for the window list. */
1.58 nicm 535: if (llen != 0)
1.118 nicm 536: wloffset = llen;
1.58 nicm 537: else
538: wloffset = 0;
1.48 nicm 539: if (wlwidth < wlavailable) {
1.137 nicm 540: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 541: case 1: /* centred */
1.58 nicm 542: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 543: break;
544: case 2: /* right */
1.58 nicm 545: wloffset += (wlavailable - wlwidth);
1.48 nicm 546: break;
547: }
548: }
549: if (larrow != 0)
550: wloffset++;
551:
552: /* Copy the window list. */
1.187 nicm 553: sl->window_list_offset = -wloffset + wlstart;
1.184 nicm 554: screen_write_cursormove(&ctx, wloffset, 0, 0);
1.171 nicm 555: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 556: screen_free(&window_list);
1.179 nicm 557:
558: /* Save left and right size. */
1.187 nicm 559: sl->left_size = llen;
560: sl->right_size = rlen;
1.1 nicm 561:
1.48 nicm 562: screen_write_stop(&ctx);
1.1 nicm 563:
564: out:
1.94 nicm 565: free(left);
566: free(right);
1.1 nicm 567:
1.189 ! nicm 568: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
1.187 nicm 569: screen_free(&old_screen);
1.1 nicm 570: return (0);
571: }
1.187 nicm 572: screen_free(&old_screen);
1.1 nicm 573: return (1);
574: }
575:
1.46 nicm 576: /* Replace special sequences in fmt. */
1.151 nicm 577: static char *
1.185 nicm 578: status_replace(struct client *c, struct winlink *wl, const char *fmt)
1.46 nicm 579: {
1.96 nicm 580: struct format_tree *ft;
1.129 nicm 581: char *expanded;
1.160 nicm 582: u_int tag;
1.47 nicm 583:
1.93 nicm 584: if (fmt == NULL)
585: return (xstrdup(""));
586:
1.160 nicm 587: if (wl != NULL)
588: tag = FORMAT_WINDOW|wl->window->id;
589: else
590: tag = FORMAT_NONE;
1.135 nicm 591: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 592: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 593: else
1.164 nicm 594: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 595: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 596:
1.185 nicm 597: expanded = format_expand_time(ft, fmt);
1.46 nicm 598:
1.99 nicm 599: format_free(ft);
600: return (expanded);
1.1 nicm 601: }
602:
1.46 nicm 603: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 604: static char *
1.185 nicm 605: status_print(struct client *c, struct winlink *wl, struct grid_cell *gc)
1.1 nicm 606: {
1.137 nicm 607: struct options *oo = wl->window->options;
1.47 nicm 608: struct session *s = c->session;
609: const char *fmt;
610: char *text;
1.1 nicm 611:
1.108 nicm 612: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 613: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 614: if (wl == s->curw) {
1.108 nicm 615: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 616: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 617: }
1.108 nicm 618: if (wl == TAILQ_FIRST(&s->lastw))
619: style_apply_update(gc, oo, "window-status-last-style");
620:
621: if (wl->flags & WINLINK_BELL)
622: style_apply_update(gc, oo, "window-status-bell-style");
623: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
624: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 625:
1.185 nicm 626: text = status_replace(c, wl, fmt);
1.1 nicm 627: return (text);
628: }
629:
1.46 nicm 630: /* Set a status line message. */
1.117 nicm 631: void
1.10 nicm 632: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 633: {
1.162 nicm 634: struct timeval tv;
635: va_list ap;
636: int delay;
1.1 nicm 637:
1.12 nicm 638: status_message_clear(c);
1.189 ! nicm 639: status_push_screen(c);
1.167 nicm 640:
1.28 nicm 641: va_start(ap, fmt);
642: xvasprintf(&c->message_string, fmt, ap);
643: va_end(ap);
644:
1.162 nicm 645: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 646:
1.137 nicm 647: delay = options_get_number(c->session->options, "display-time");
1.143 tim 648: if (delay > 0) {
649: tv.tv_sec = delay / 1000;
650: tv.tv_usec = (delay % 1000) * 1000L;
651:
652: if (event_initialized(&c->message_timer))
653: evtimer_del(&c->message_timer);
654: evtimer_set(&c->message_timer, status_message_callback, c);
655: evtimer_add(&c->message_timer, &tv);
656: }
1.1 nicm 657:
658: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 659: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 660: }
661:
1.46 nicm 662: /* Clear status line message. */
1.1 nicm 663: void
664: status_message_clear(struct client *c)
665: {
666: if (c->message_string == NULL)
667: return;
668:
1.94 nicm 669: free(c->message_string);
1.1 nicm 670: c->message_string = NULL;
671:
1.156 nicm 672: if (c->prompt_string == NULL)
673: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 674: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 675:
1.189 ! nicm 676: status_pop_screen(c);
1.42 nicm 677: }
678:
1.46 nicm 679: /* Clear status line message after timer expires. */
1.151 nicm 680: static void
1.141 nicm 681: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 682: {
683: struct client *c = data;
684:
685: status_message_clear(c);
1.1 nicm 686: }
687:
688: /* Draw client message on status line of present else on last line. */
689: int
690: status_message_redraw(struct client *c)
691: {
1.189 ! nicm 692: struct status_line *sl = &c->status;
! 693: struct screen_write_ctx ctx;
! 694: struct session *s = c->session;
! 695: struct screen old_screen;
! 696: size_t len;
! 697: u_int lines, offset;
! 698: struct grid_cell gc;
1.1 nicm 699:
700: if (c->tty.sx == 0 || c->tty.sy == 0)
701: return (0);
1.189 ! nicm 702: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 703:
1.182 nicm 704: lines = status_line_size(c);
1.189 ! nicm 705: if (lines <= 1)
1.173 nicm 706: lines = 1;
1.189 ! nicm 707: screen_init(sl->active, c->tty.sx, 1, 0);
1.1 nicm 708:
1.139 nicm 709: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 710: if (len > c->tty.sx)
711: len = c->tty.sx;
712:
1.137 nicm 713: style_apply(&gc, s->options, "message-style");
1.1 nicm 714:
1.189 ! nicm 715: screen_write_start(&ctx, NULL, sl->active);
1.184 nicm 716: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 717: for (offset = 0; offset < lines * c->tty.sx; offset++)
718: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 719: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 720: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 721: screen_write_stop(&ctx);
722:
1.189 ! nicm 723: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
! 724: screen_free(&old_screen);
1.1 nicm 725: return (0);
726: }
1.189 ! nicm 727: screen_free(&old_screen);
1.1 nicm 728: return (1);
729: }
730:
1.46 nicm 731: /* Enable status line prompt. */
1.1 nicm 732: void
1.76 nicm 733: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 734: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 735: {
1.122 nicm 736: struct format_tree *ft;
1.165 nicm 737: char *tmp, *cp;
1.122 nicm 738:
1.164 nicm 739: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 740: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 741:
1.168 nicm 742: if (input == NULL)
743: input = "";
744: if (flags & PROMPT_NOFORMAT)
745: tmp = xstrdup(input);
746: else
1.185 nicm 747: tmp = format_expand_time(ft, input);
1.20 nicm 748:
1.12 nicm 749: status_message_clear(c);
750: status_prompt_clear(c);
1.189 ! nicm 751: status_push_screen(c);
1.12 nicm 752:
1.185 nicm 753: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 754:
1.152 nicm 755: c->prompt_buffer = utf8_fromcstr(tmp);
756: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 757:
1.166 nicm 758: c->prompt_inputcb = inputcb;
759: c->prompt_freecb = freecb;
1.1 nicm 760: c->prompt_data = data;
761:
762: c->prompt_hindex = 0;
763:
764: c->prompt_flags = flags;
1.155 nicm 765: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 766:
1.158 nicm 767: if (~flags & PROMPT_INCREMENTAL)
768: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 769: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 770:
771: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
772: xasprintf(&cp, "=%s", tmp);
1.166 nicm 773: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 774: free(cp);
775: }
1.122 nicm 776:
1.152 nicm 777: free(tmp);
1.122 nicm 778: format_free(ft);
1.1 nicm 779: }
780:
1.46 nicm 781: /* Remove status line prompt. */
1.1 nicm 782: void
783: status_prompt_clear(struct client *c)
784: {
1.55 nicm 785: if (c->prompt_string == NULL)
1.1 nicm 786: return;
787:
1.166 nicm 788: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
789: c->prompt_freecb(c->prompt_data);
1.1 nicm 790:
1.94 nicm 791: free(c->prompt_string);
1.1 nicm 792: c->prompt_string = NULL;
793:
1.94 nicm 794: free(c->prompt_buffer);
1.1 nicm 795: c->prompt_buffer = NULL;
796:
1.181 nicm 797: free(c->prompt_saved);
798: c->prompt_saved = NULL;
799:
1.1 nicm 800: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 801: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 802:
1.189 ! nicm 803: status_pop_screen(c);
1.27 nicm 804: }
805:
1.46 nicm 806: /* Update status line prompt with a new prompt string. */
1.27 nicm 807: void
1.76 nicm 808: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 809: {
1.122 nicm 810: struct format_tree *ft;
1.152 nicm 811: char *tmp;
1.122 nicm 812:
1.164 nicm 813: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 814: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 815:
1.185 nicm 816: tmp = format_expand_time(ft, input);
1.122 nicm 817:
1.94 nicm 818: free(c->prompt_string);
1.185 nicm 819: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 820:
1.94 nicm 821: free(c->prompt_buffer);
1.152 nicm 822: c->prompt_buffer = utf8_fromcstr(tmp);
823: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 824:
825: c->prompt_hindex = 0;
826:
1.177 nicm 827: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 828:
1.152 nicm 829: free(tmp);
1.122 nicm 830: format_free(ft);
1.1 nicm 831: }
832:
833: /* Draw client prompt on status line of present else on last line. */
834: int
835: status_prompt_redraw(struct client *c)
836: {
1.189 ! nicm 837: struct status_line *sl = &c->status;
1.152 nicm 838: struct screen_write_ctx ctx;
839: struct session *s = c->session;
1.189 ! nicm 840: struct screen old_screen;
! 841: u_int i, lines, offset, left, start, width;
! 842: u_int pcursor, pwidth;
1.152 nicm 843: struct grid_cell gc, cursorgc;
1.1 nicm 844:
845: if (c->tty.sx == 0 || c->tty.sy == 0)
846: return (0);
1.189 ! nicm 847: memcpy(&old_screen, sl->active, sizeof old_screen);
1.169 nicm 848:
1.182 nicm 849: lines = status_line_size(c);
1.189 ! nicm 850: if (lines <= 1)
1.173 nicm 851: lines = 1;
1.189 ! nicm 852: screen_init(sl->active, 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:
1.189 ! nicm 866: screen_write_start(&ctx, NULL, sl->active);
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: }
1.189 ! nicm 912: if (sl->active->cx < screen_size_x(sl->active) && c->prompt_index >= i)
1.152 nicm 913: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 914:
1.152 nicm 915: finished:
1.1 nicm 916: screen_write_stop(&ctx);
1.51 nicm 917:
1.189 ! nicm 918: if (grid_compare(sl->active->grid, old_screen.grid) == 0) {
! 919: screen_free(&old_screen);
1.1 nicm 920: return (0);
921: }
1.189 ! nicm 922: screen_free(&old_screen);
1.1 nicm 923: return (1);
924: }
925:
1.152 nicm 926: /* Is this a separator? */
927: static int
928: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
929: {
930: if (ud->size != 1 || ud->width != 1)
931: return (0);
932: return (strchr(ws, *ud->data) != NULL);
933: }
934:
935: /* Is this a space? */
936: static int
937: status_prompt_space(const struct utf8_data *ud)
938: {
939: if (ud->size != 1 || ud->width != 1)
940: return (0);
941: return (*ud->data == ' ');
942: }
943:
1.155 nicm 944: /*
945: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
946: * as an emacs key; return 2 to append to the buffer.
947: */
948: static int
949: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
950: {
951: if (c->prompt_mode == PROMPT_ENTRY) {
952: switch (key) {
953: case '\003': /* C-c */
954: case '\010': /* C-h */
955: case '\011': /* Tab */
956: case '\025': /* C-u */
957: case '\027': /* C-w */
958: case '\n':
959: case '\r':
960: case KEYC_BSPACE:
961: case KEYC_DC:
962: case KEYC_DOWN:
963: case KEYC_END:
964: case KEYC_HOME:
965: case KEYC_LEFT:
966: case KEYC_RIGHT:
967: case KEYC_UP:
968: *new_key = key;
969: return (1);
970: case '\033': /* Escape */
971: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 972: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 973: return (0);
974: }
975: *new_key = key;
976: return (2);
977: }
978:
979: switch (key) {
980: case 'A':
981: case 'I':
982: case 'C':
983: case 's':
984: case 'a':
985: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 986: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 987: break; /* switch mode and... */
988: case 'S':
989: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 990: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 991: *new_key = '\025'; /* C-u */
992: return (1);
993: case 'i':
994: case '\033': /* Escape */
995: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 996: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 997: return (0);
998: }
999:
1000: switch (key) {
1001: case 'A':
1002: case '$':
1003: *new_key = KEYC_END;
1004: return (1);
1005: case 'I':
1006: case '0':
1007: case '^':
1008: *new_key = KEYC_HOME;
1009: return (1);
1010: case 'C':
1011: case 'D':
1012: *new_key = '\013'; /* C-k */
1013: return (1);
1014: case KEYC_BSPACE:
1015: case 'X':
1016: *new_key = KEYC_BSPACE;
1017: return (1);
1018: case 'b':
1019: case 'B':
1020: *new_key = 'b'|KEYC_ESCAPE;
1021: return (1);
1022: case 'd':
1023: *new_key = '\025';
1024: return (1);
1025: case 'e':
1026: case 'E':
1027: case 'w':
1028: case 'W':
1029: *new_key = 'f'|KEYC_ESCAPE;
1030: return (1);
1031: case 'p':
1032: *new_key = '\031'; /* C-y */
1033: return (1);
1034: case 's':
1035: case KEYC_DC:
1036: case 'x':
1037: *new_key = KEYC_DC;
1038: return (1);
1039: case KEYC_DOWN:
1040: case 'j':
1041: *new_key = KEYC_DOWN;
1042: return (1);
1043: case KEYC_LEFT:
1044: case 'h':
1045: *new_key = KEYC_LEFT;
1046: return (1);
1047: case 'a':
1048: case KEYC_RIGHT:
1049: case 'l':
1050: *new_key = KEYC_RIGHT;
1051: return (1);
1052: case KEYC_UP:
1053: case 'k':
1054: *new_key = KEYC_UP;
1055: return (1);
1056: case '\010' /* C-h */:
1057: case '\003' /* C-c */:
1058: case '\n':
1059: case '\r':
1060: return (1);
1061: }
1062: return (0);
1063: }
1064:
1.1 nicm 1065: /* Handle keys in prompt. */
1.154 nicm 1066: int
1.138 nicm 1067: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1068: {
1.152 nicm 1069: struct options *oo = c->session->options;
1.1 nicm 1070: struct paste_buffer *pb;
1.158 nicm 1071: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1072: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1073: u_char ch;
1.152 nicm 1074: size_t size, n, off, idx, bufsize, used;
1075: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1076: int keys;
1.1 nicm 1077:
1.152 nicm 1078: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1079:
1080: if (c->prompt_flags & PROMPT_NUMERIC) {
1081: if (key >= '0' && key <= '9')
1082: goto append_key;
1083: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1084: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1085: status_prompt_clear(c);
1086: free(s);
1087: return (1);
1088: }
1.180 nicm 1089: key &= ~KEYC_XTERM;
1.154 nicm 1090:
1.155 nicm 1091: keys = options_get_number(c->session->options, "status-keys");
1092: if (keys == MODEKEY_VI) {
1093: switch (status_prompt_translate_key(c, key, &key)) {
1094: case 1:
1095: goto process_key;
1096: case 2:
1097: goto append_key;
1098: default:
1099: return (0);
1100: }
1101: }
1102:
1103: process_key:
1104: switch (key) {
1105: case KEYC_LEFT:
1106: case '\002': /* C-b */
1.1 nicm 1107: if (c->prompt_index > 0) {
1108: c->prompt_index--;
1.158 nicm 1109: break;
1.1 nicm 1110: }
1111: break;
1.155 nicm 1112: case KEYC_RIGHT:
1113: case '\006': /* C-f */
1.1 nicm 1114: if (c->prompt_index < size) {
1115: c->prompt_index++;
1.158 nicm 1116: break;
1.1 nicm 1117: }
1118: break;
1.155 nicm 1119: case KEYC_HOME:
1120: case '\001': /* C-a */
1.1 nicm 1121: if (c->prompt_index != 0) {
1122: c->prompt_index = 0;
1.158 nicm 1123: break;
1.1 nicm 1124: }
1125: break;
1.155 nicm 1126: case KEYC_END:
1127: case '\005': /* C-e */
1.1 nicm 1128: if (c->prompt_index != size) {
1129: c->prompt_index = size;
1.158 nicm 1130: break;
1.1 nicm 1131: }
1132: break;
1.155 nicm 1133: case '\011': /* Tab */
1.152 nicm 1134: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1135: break;
1136:
1137: idx = c->prompt_index;
1138: if (idx != 0)
1139: idx--;
1140:
1141: /* Find the word we are in. */
1.152 nicm 1142: first = &c->prompt_buffer[idx];
1143: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1144: first--;
1.152 nicm 1145: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1146: first++;
1.152 nicm 1147: last = &c->prompt_buffer[idx];
1148: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1149: last++;
1.152 nicm 1150: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1151: last--;
1.152 nicm 1152: if (last->size != 0)
1.1 nicm 1153: last++;
1.152 nicm 1154: if (last <= first)
1155: break;
1156:
1157: used = 0;
1158: for (ud = first; ud < last; ud++) {
1159: if (used + ud->size >= sizeof word)
1160: break;
1161: memcpy(word + used, ud->data, ud->size);
1162: used += ud->size;
1163: }
1164: if (ud != last)
1.1 nicm 1165: break;
1.152 nicm 1166: word[used] = '\0';
1.1 nicm 1167:
1168: /* And try to complete it. */
1.152 nicm 1169: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1170: break;
1171:
1172: /* Trim out word. */
1173: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1174: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1175: size -= last - first;
1176:
1177: /* Insert the new word. */
1.55 nicm 1178: size += strlen(s);
1.1 nicm 1179: off = first - c->prompt_buffer;
1.152 nicm 1180: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1181: sizeof *c->prompt_buffer);
1.1 nicm 1182: first = c->prompt_buffer + off;
1.152 nicm 1183: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1184: for (idx = 0; idx < strlen(s); idx++)
1185: utf8_set(&first[idx], s[idx]);
1.1 nicm 1186:
1187: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1188: free(s);
1.1 nicm 1189:
1.158 nicm 1190: goto changed;
1.155 nicm 1191: case KEYC_BSPACE:
1192: case '\010': /* C-h */
1.1 nicm 1193: if (c->prompt_index != 0) {
1194: if (c->prompt_index == size)
1.152 nicm 1195: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1196: else {
1197: memmove(c->prompt_buffer + c->prompt_index - 1,
1198: c->prompt_buffer + c->prompt_index,
1.152 nicm 1199: (size + 1 - c->prompt_index) *
1200: sizeof *c->prompt_buffer);
1.1 nicm 1201: c->prompt_index--;
1202: }
1.158 nicm 1203: goto changed;
1.1 nicm 1204: }
1205: break;
1.155 nicm 1206: case KEYC_DC:
1207: case '\004': /* C-d */
1.1 nicm 1208: if (c->prompt_index != size) {
1209: memmove(c->prompt_buffer + c->prompt_index,
1210: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1211: (size + 1 - c->prompt_index) *
1212: sizeof *c->prompt_buffer);
1.158 nicm 1213: goto changed;
1.18 nicm 1214: }
1.26 nicm 1215: break;
1.155 nicm 1216: case '\025': /* C-u */
1.152 nicm 1217: c->prompt_buffer[0].size = 0;
1.26 nicm 1218: c->prompt_index = 0;
1.158 nicm 1219: goto changed;
1.155 nicm 1220: case '\013': /* C-k */
1.18 nicm 1221: if (c->prompt_index < size) {
1.152 nicm 1222: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1223: goto changed;
1.1 nicm 1224: }
1225: break;
1.155 nicm 1226: case '\027': /* C-w */
1.152 nicm 1227: ws = options_get_string(oo, "word-separators");
1.81 nicm 1228: idx = c->prompt_index;
1229:
1230: /* Find a non-separator. */
1231: while (idx != 0) {
1232: idx--;
1.152 nicm 1233: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1234: break;
1235: }
1236:
1237: /* Find the separator at the beginning of the word. */
1238: while (idx != 0) {
1239: idx--;
1.152 nicm 1240: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1241: /* Go back to the word. */
1242: idx++;
1243: break;
1244: }
1245: }
1246:
1.181 nicm 1247: free(c->prompt_saved);
1248: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1249: (c->prompt_index - idx) + 1);
1250: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1251: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1252:
1.81 nicm 1253: memmove(c->prompt_buffer + idx,
1254: c->prompt_buffer + c->prompt_index,
1.152 nicm 1255: (size + 1 - c->prompt_index) *
1256: sizeof *c->prompt_buffer);
1.81 nicm 1257: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1258: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1259: c->prompt_index = idx;
1.152 nicm 1260:
1.158 nicm 1261: goto changed;
1.155 nicm 1262: case 'f'|KEYC_ESCAPE:
1.180 nicm 1263: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1264: ws = options_get_string(oo, "word-separators");
1.81 nicm 1265:
1266: /* Find a word. */
1267: while (c->prompt_index != size) {
1.152 nicm 1268: idx = ++c->prompt_index;
1269: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1270: break;
1271: }
1272:
1273: /* Find the separator at the end of the word. */
1274: while (c->prompt_index != size) {
1.152 nicm 1275: idx = ++c->prompt_index;
1276: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1277: break;
1278: }
1.106 nicm 1279:
1280: /* Back up to the end-of-word like vi. */
1281: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1282: c->prompt_index != 0)
1283: c->prompt_index--;
1.81 nicm 1284:
1.158 nicm 1285: goto changed;
1.155 nicm 1286: case 'b'|KEYC_ESCAPE:
1.180 nicm 1287: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1288: ws = options_get_string(oo, "word-separators");
1.81 nicm 1289:
1290: /* Find a non-separator. */
1291: while (c->prompt_index != 0) {
1.152 nicm 1292: idx = --c->prompt_index;
1293: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1294: break;
1295: }
1296:
1297: /* Find the separator at the beginning of the word. */
1298: while (c->prompt_index != 0) {
1.152 nicm 1299: idx = --c->prompt_index;
1300: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1301: /* Go back to the word. */
1302: c->prompt_index++;
1303: break;
1304: }
1305: }
1.158 nicm 1306: goto changed;
1.155 nicm 1307: case KEYC_UP:
1308: case '\020': /* C-p */
1.66 nicm 1309: histstr = status_prompt_up_history(&c->prompt_hindex);
1310: if (histstr == NULL)
1.1 nicm 1311: break;
1.94 nicm 1312: free(c->prompt_buffer);
1.152 nicm 1313: c->prompt_buffer = utf8_fromcstr(histstr);
1314: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1315: goto changed;
1.155 nicm 1316: case KEYC_DOWN:
1317: case '\016': /* C-n */
1.66 nicm 1318: histstr = status_prompt_down_history(&c->prompt_hindex);
1319: if (histstr == NULL)
1.65 nicm 1320: break;
1.94 nicm 1321: free(c->prompt_buffer);
1.152 nicm 1322: c->prompt_buffer = utf8_fromcstr(histstr);
1323: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1324: goto changed;
1.155 nicm 1325: case '\031': /* C-y */
1.181 nicm 1326: if (c->prompt_saved != NULL) {
1327: ud = c->prompt_saved;
1328: n = utf8_strlen(c->prompt_saved);
1329: } else {
1330: if ((pb = paste_get_top(NULL)) == NULL)
1.32 nicm 1331: break;
1.181 nicm 1332: bufdata = paste_buffer_data(pb, &bufsize);
1333: for (n = 0; n < bufsize; n++) {
1334: ch = (u_char)bufdata[n];
1335: if (ch < 32 || ch >= 127)
1336: break;
1337: }
1338: ud = xreallocarray(NULL, n, sizeof *ud);
1339: for (idx = 0; idx < n; idx++)
1340: utf8_set(&ud[idx], bufdata[idx]);
1.32 nicm 1341: }
1.1 nicm 1342:
1.152 nicm 1343: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1344: sizeof *c->prompt_buffer);
1.1 nicm 1345: if (c->prompt_index == size) {
1.181 nicm 1346: memcpy(c->prompt_buffer + c->prompt_index, ud,
1347: n * sizeof *c->prompt_buffer);
1.1 nicm 1348: c->prompt_index += n;
1.152 nicm 1349: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1350: } else {
1351: memmove(c->prompt_buffer + c->prompt_index + n,
1352: c->prompt_buffer + c->prompt_index,
1.152 nicm 1353: (size + 1 - c->prompt_index) *
1354: sizeof *c->prompt_buffer);
1.181 nicm 1355: memcpy(c->prompt_buffer + c->prompt_index, ud,
1356: n * sizeof *c->prompt_buffer);
1.1 nicm 1357: c->prompt_index += n;
1358: }
1.181 nicm 1359:
1360: if (ud != c->prompt_saved)
1361: free(ud);
1.158 nicm 1362: goto changed;
1.155 nicm 1363: case '\024': /* C-t */
1.30 nicm 1364: idx = c->prompt_index;
1365: if (idx < size)
1366: idx++;
1367: if (idx >= 2) {
1.152 nicm 1368: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1369: utf8_copy(&c->prompt_buffer[idx - 2],
1370: &c->prompt_buffer[idx - 1]);
1371: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1372: c->prompt_index = idx;
1.158 nicm 1373: goto changed;
1.30 nicm 1374: }
1.1 nicm 1375: break;
1.155 nicm 1376: case '\r':
1377: case '\n':
1.152 nicm 1378: s = utf8_tocstr(c->prompt_buffer);
1379: if (*s != '\0')
1380: status_prompt_add_history(s);
1.166 nicm 1381: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1382: status_prompt_clear(c);
1.152 nicm 1383: free(s);
1.25 nicm 1384: break;
1.155 nicm 1385: case '\033': /* Escape */
1386: case '\003': /* C-c */
1.174 nicm 1387: case '\007': /* C-g */
1.166 nicm 1388: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1389: status_prompt_clear(c);
1390: break;
1.158 nicm 1391: case '\022': /* C-r */
1392: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1393: prefix = '-';
1394: goto changed;
1395: }
1396: break;
1397: case '\023': /* C-s */
1398: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1399: prefix = '+';
1400: goto changed;
1401: }
1402: break;
1403: default:
1404: goto append_key;
1.154 nicm 1405: }
1.152 nicm 1406:
1.177 nicm 1407: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1408: return (0);
1409:
1.154 nicm 1410: append_key:
1411: if (key <= 0x1f || key >= KEYC_BASE)
1412: return (0);
1413: if (utf8_split(key, &tmp) != UTF8_DONE)
1414: return (0);
1.1 nicm 1415:
1.154 nicm 1416: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1417: sizeof *c->prompt_buffer);
1.1 nicm 1418:
1.154 nicm 1419: if (c->prompt_index == size) {
1420: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1421: c->prompt_index++;
1422: c->prompt_buffer[c->prompt_index].size = 0;
1423: } else {
1424: memmove(c->prompt_buffer + c->prompt_index + 1,
1425: c->prompt_buffer + c->prompt_index,
1426: (size + 1 - c->prompt_index) *
1427: sizeof *c->prompt_buffer);
1428: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1429: c->prompt_index++;
1430: }
1.1 nicm 1431:
1.154 nicm 1432: if (c->prompt_flags & PROMPT_SINGLE) {
1433: s = utf8_tocstr(c->prompt_buffer);
1434: if (strlen(s) != 1)
1435: status_prompt_clear(c);
1.166 nicm 1436: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1437: status_prompt_clear(c);
1438: free(s);
1.1 nicm 1439: }
1.154 nicm 1440:
1.158 nicm 1441: changed:
1.177 nicm 1442: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1443: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1444: s = utf8_tocstr(c->prompt_buffer);
1445: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1446: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1447: free(cp);
1448: free(s);
1449: }
1.154 nicm 1450: return (0);
1.1 nicm 1451: }
1452:
1.65 nicm 1453: /* Get previous line from the history. */
1.151 nicm 1454: static const char *
1.65 nicm 1455: status_prompt_up_history(u_int *idx)
1456: {
1457: /*
1.128 nicm 1458: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1459: * empty.
1.65 nicm 1460: */
1461:
1.128 nicm 1462: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1463: return (NULL);
1464: (*idx)++;
1.128 nicm 1465: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1466: }
1467:
1468: /* Get next line from the history. */
1.151 nicm 1469: static const char *
1.65 nicm 1470: status_prompt_down_history(u_int *idx)
1471: {
1.128 nicm 1472: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1473: return ("");
1474: (*idx)--;
1475: if (*idx == 0)
1476: return ("");
1.128 nicm 1477: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1478: }
1479:
1.1 nicm 1480: /* Add line to the history. */
1.151 nicm 1481: static void
1.65 nicm 1482: status_prompt_add_history(const char *line)
1.1 nicm 1483: {
1.128 nicm 1484: size_t size;
1.65 nicm 1485:
1.128 nicm 1486: if (status_prompt_hsize > 0 &&
1487: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1488: return;
1489:
1.128 nicm 1490: if (status_prompt_hsize == PROMPT_HISTORY) {
1491: free(status_prompt_hlist[0]);
1.1 nicm 1492:
1.128 nicm 1493: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1494: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1495:
1.128 nicm 1496: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1497: return;
1498: }
1.1 nicm 1499:
1.128 nicm 1500: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1501: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1502: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1503: }
1504:
1505: /* Build completion list. */
1.183 nicm 1506: char **
1.128 nicm 1507: status_prompt_complete_list(u_int *size, const char *s)
1508: {
1.183 nicm 1509: char **list = NULL;
1510: const char **layout, *value, *cp;
1.128 nicm 1511: const struct cmd_entry **cmdent;
1512: const struct options_table_entry *oe;
1.183 nicm 1513: u_int items, idx;
1514: size_t slen = strlen(s), valuelen;
1515: struct options_entry *o;
1.128 nicm 1516: const char *layouts[] = {
1517: "even-horizontal", "even-vertical", "main-horizontal",
1518: "main-vertical", "tiled", NULL
1519: };
1.1 nicm 1520:
1.128 nicm 1521: *size = 0;
1.1 nicm 1522: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1523: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1524: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1525: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1526: }
1.56 nicm 1527: }
1.142 nicm 1528: for (oe = options_table; oe->name != NULL; oe++) {
1.183 nicm 1529: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1530: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1531: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1532: }
1533: }
1534: for (layout = layouts; *layout != NULL; layout++) {
1.183 nicm 1535: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1536: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1537: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1538: }
1539: }
1.183 nicm 1540: o = options_get_only(global_options, "command-alias");
1541: if (o != NULL && options_array_size(o, &items) != -1) {
1542: for (idx = 0; idx < items; idx++) {
1543: value = options_array_get(o, idx);
1544: if (value == NULL || (cp = strchr(value, '=')) == NULL)
1545: continue;
1546: valuelen = cp - value;
1547: if (slen > valuelen || strncmp(value, s, slen) != 0)
1548: continue;
1549: list = xreallocarray(list, (*size) + 1, sizeof *list);
1550: list[(*size)++] = xstrndup(value, valuelen);
1551: }
1552: }
1553: for (idx = 0; idx < (*size); idx++)
1554: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1555: return (list);
1556: }
1557:
1558: /* Find longest prefix. */
1.151 nicm 1559: static char *
1.183 nicm 1560: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1561: {
1562: char *out;
1563: u_int i;
1564: size_t j;
1565:
1566: out = xstrdup(list[0]);
1567: for (i = 1; i < size; i++) {
1568: j = strlen(list[i]);
1569: if (j > strlen(out))
1570: j = strlen(out);
1571: for (; j > 0; j--) {
1572: if (out[j - 1] != list[i][j - 1])
1573: out[j - 1] = '\0';
1574: }
1.1 nicm 1575: }
1.128 nicm 1576: return (out);
1577: }
1.1 nicm 1578:
1.128 nicm 1579: /* Complete word. */
1.151 nicm 1580: static char *
1.152 nicm 1581: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1582: {
1.183 nicm 1583: char **list = NULL;
1584: const char *colon;
1.128 nicm 1585: u_int size = 0, i;
1586: struct session *s_loop;
1587: struct winlink *wl;
1588: struct window *w;
1589: char *copy, *out, *tmp;
1590:
1591: if (*s == '\0')
1.1 nicm 1592: return (NULL);
1.128 nicm 1593: out = NULL;
1594:
1595: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1596: list = status_prompt_complete_list(&size, s);
1597: if (size == 0)
1598: out = NULL;
1599: else if (size == 1)
1600: xasprintf(&out, "%s ", list[0]);
1601: else
1602: out = status_prompt_complete_prefix(list, size);
1.183 nicm 1603: for (i = 0; i < size; i++)
1604: free(list[i]);
1.128 nicm 1605: free(list);
1606: return (out);
1607: }
1608: copy = xstrdup(s);
1609:
1610: colon = ":";
1611: if (copy[strlen(copy) - 1] == ':')
1612: copy[strlen(copy) - 1] = '\0';
1613: else
1614: colon = "";
1615: s = copy + 2;
1.1 nicm 1616:
1.128 nicm 1617: RB_FOREACH(s_loop, sessions, &sessions) {
1618: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1619: list = xreallocarray(list, size + 2, sizeof *list);
1620: list[size++] = s_loop->name;
1621: }
1622: }
1623: if (size == 1) {
1624: out = xstrdup(list[0]);
1625: if (session_find(list[0]) != NULL)
1626: colon = ":";
1627: } else if (size != 0)
1628: out = status_prompt_complete_prefix(list, size);
1629: if (out != NULL) {
1630: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1631: free(out);
1.128 nicm 1632: out = tmp;
1633: goto found;
1634: }
1635:
1636: colon = "";
1637: if (*s == ':') {
1.152 nicm 1638: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1639: xasprintf(&tmp, ":%s", wl->window->name);
1640: if (strncmp(tmp, s, strlen(s)) == 0){
1641: list = xreallocarray(list, size + 1,
1642: sizeof *list);
1643: list[size++] = tmp;
1644: continue;
1645: }
1646: free(tmp);
1.1 nicm 1647:
1.128 nicm 1648: xasprintf(&tmp, ":%d", wl->idx);
1649: if (strncmp(tmp, s, strlen(s)) == 0) {
1650: list = xreallocarray(list, size + 1,
1651: sizeof *list);
1652: list[size++] = tmp;
1653: continue;
1654: }
1655: free(tmp);
1656: }
1657: } else {
1658: RB_FOREACH(s_loop, sessions, &sessions) {
1659: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1660: w = wl->window;
1661:
1662: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1663: if (strncmp(tmp, s, strlen(s)) == 0) {
1664: list = xreallocarray(list, size + 1,
1665: sizeof *list);
1666: list[size++] = tmp;
1667: continue;
1668: }
1669: free(tmp);
1670:
1671: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1672: if (strncmp(tmp, s, strlen(s)) == 0) {
1673: list = xreallocarray(list, size + 1,
1674: sizeof *list);
1675: list[size++] = tmp;
1676: continue;
1677: }
1678: free(tmp);
1679: }
1.1 nicm 1680: }
1681: }
1.128 nicm 1682: if (size == 1) {
1683: out = xstrdup(list[0]);
1684: colon = " ";
1685: } else if (size != 0)
1686: out = status_prompt_complete_prefix(list, size);
1687: if (out != NULL) {
1688: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1689: out = tmp;
1690: }
1691:
1692: for (i = 0; i < size; i++)
1693: free((void *)list[i]);
1694:
1695: found:
1696: free(copy);
1697: free(list);
1698: return (out);
1.1 nicm 1699: }
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