Annotation of src/usr.bin/tmux/status.c, Revision 1.158
1.158 ! nicm 1: /* $OpenBSD: status.c,v 1.157 2017/01/05 09:07:16 nicm Exp $ */
1.1 nicm 2:
3: /*
1.148 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/time.h>
21:
22: #include <errno.h>
23: #include <limits.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <time.h>
28: #include <unistd.h>
29:
30: #include "tmux.h"
31:
1.151 nicm 32: static char *status_redraw_get_left(struct client *, time_t,
33: struct grid_cell *, size_t *);
34: static char *status_redraw_get_right(struct client *, time_t,
35: struct grid_cell *, size_t *);
36: static char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: static char *status_replace(struct client *, struct winlink *, const char *,
39: time_t);
40: static void status_message_callback(int, short, void *);
41: static void status_timer_callback(int, short, void *);
42:
43: static char *status_prompt_find_history_file(void);
44: static const char *status_prompt_up_history(u_int *);
45: static const char *status_prompt_down_history(u_int *);
46: static void status_prompt_add_history(const char *);
47:
48: static const char **status_prompt_complete_list(u_int *, const char *);
49: static char *status_prompt_complete_prefix(const char **, u_int);
50: static char *status_prompt_complete(struct session *, const char *);
1.130 nicm 51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
1.151 nicm 54: static char **status_prompt_hlist;
55: static u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
1.151 nicm 58: static char *
1.130 nicm 59: status_prompt_find_history_file(void)
60: {
61: const char *home, *history_file;
62: char *path;
63:
1.137 nicm 64: history_file = options_get_string(global_options, "history-file");
1.130 nicm 65: if (*history_file == '\0')
66: return (NULL);
67: if (*history_file == '/')
68: return (xstrdup(history_file));
69:
70: if (history_file[0] != '~' || history_file[1] != '/')
71: return (NULL);
72: if ((home = find_home()) == NULL)
73: return (NULL);
74: xasprintf(&path, "%s%s", home, history_file + 1);
75: return (path);
76: }
77:
78: /* Load status prompt history from file. */
79: void
80: status_prompt_load_history(void)
81: {
82: FILE *f;
83: char *history_file, *line, *tmp;
84: size_t length;
85:
86: if ((history_file = status_prompt_find_history_file()) == NULL)
87: return;
88: log_debug("loading history from %s", history_file);
89:
90: f = fopen(history_file, "r");
91: if (f == NULL) {
92: log_debug("%s: %s", history_file, strerror(errno));
93: free(history_file);
94: return;
95: }
96: free(history_file);
97:
98: for (;;) {
99: if ((line = fgetln(f, &length)) == NULL)
100: break;
101:
102: if (length > 0) {
103: if (line[length - 1] == '\n') {
104: line[length - 1] = '\0';
105: status_prompt_add_history(line);
106: } else {
107: tmp = xmalloc(length + 1);
108: memcpy(tmp, line, length);
109: tmp[length] = '\0';
110: status_prompt_add_history(tmp);
111: free(tmp);
112: }
113: }
114: }
115: fclose(f);
116: }
117:
118: /* Save status prompt history to file. */
119: void
120: status_prompt_save_history(void)
121: {
122: FILE *f;
123: u_int i;
124: char *history_file;
125:
126: if ((history_file = status_prompt_find_history_file()) == NULL)
127: return;
128: log_debug("saving history to %s", history_file);
129:
130: f = fopen(history_file, "w");
131: if (f == NULL) {
132: log_debug("%s: %s", history_file, strerror(errno));
133: free(history_file);
134: return;
135: }
136: free(history_file);
137:
138: for (i = 0; i < status_prompt_hsize; i++) {
139: fputs(status_prompt_hlist[i], f);
140: fputc('\n', f);
141: }
142: fclose(f);
143:
1.87 nicm 144: }
145:
1.133 nicm 146: /* Status timer callback. */
1.151 nicm 147: static void
1.141 nicm 148: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 149: {
150: struct client *c = arg;
151: struct session *s = c->session;
152: struct timeval tv;
153:
154: evtimer_del(&c->status_timer);
155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
160: c->flags |= CLIENT_STATUS;
161:
162: timerclear(&tv);
1.137 nicm 163: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 164:
165: if (tv.tv_sec != 0)
166: evtimer_add(&c->status_timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
176: if (event_initialized(&c->status_timer))
177: evtimer_del(&c->status_timer);
178: else
179: evtimer_set(&c->status_timer, status_timer_callback, c);
180:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.87 nicm 195: /* Get screen line of status line. -1 means off. */
196: int
197: status_at_line(struct client *c)
198: {
199: struct session *s = c->session;
200:
1.137 nicm 201: if (!options_get_number(s->options, "status"))
1.87 nicm 202: return (-1);
203:
1.137 nicm 204: if (options_get_number(s->options, "status-position") == 0)
1.87 nicm 205: return (0);
206: return (c->tty.sy - 1);
1.71 nicm 207: }
208:
1.48 nicm 209: /* Retrieve options for left string. */
1.151 nicm 210: static char *
1.139 nicm 211: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
212: size_t *size)
1.48 nicm 213: {
214: struct session *s = c->session;
1.120 nicm 215: const char *template;
1.48 nicm 216: char *left;
217: size_t leftlen;
218:
1.137 nicm 219: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 220:
1.137 nicm 221: template = options_get_string(s->options, "status-left");
1.123 nicm 222: left = status_replace(c, NULL, template, t);
1.48 nicm 223:
1.137 nicm 224: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 225: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 226: if (leftlen < *size)
227: *size = leftlen;
228: return (left);
229: }
230:
231: /* Retrieve options for right string. */
1.151 nicm 232: static char *
1.139 nicm 233: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
234: size_t *size)
1.48 nicm 235: {
236: struct session *s = c->session;
1.120 nicm 237: const char *template;
1.48 nicm 238: char *right;
239: size_t rightlen;
240:
1.137 nicm 241: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 242:
1.137 nicm 243: template = options_get_string(s->options, "status-right");
1.123 nicm 244: right = status_replace(c, NULL, template, t);
1.48 nicm 245:
1.137 nicm 246: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 247: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 248: if (rightlen < *size)
249: *size = rightlen;
250: return (right);
251: }
252:
1.125 nicm 253: /* Get window at window list position. */
254: struct window *
255: status_get_window_at(struct client *c, u_int x)
1.73 nicm 256: {
257: struct session *s = c->session;
258: struct winlink *wl;
1.115 nicm 259: struct options *oo;
1.149 nicm 260: const char *sep;
261: size_t seplen;
1.73 nicm 262:
1.88 nicm 263: x += c->wlmouse;
1.73 nicm 264: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 265: oo = wl->window->options;
1.149 nicm 266:
267: sep = options_get_string(oo, "window-status-separator");
268: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 269:
1.125 nicm 270: if (x < wl->status_width)
271: return (wl->window);
1.149 nicm 272: x -= wl->status_width + seplen;
1.73 nicm 273: }
1.125 nicm 274: return (NULL);
1.73 nicm 275: }
276:
1.1 nicm 277: /* Draw status for client on the last lines of given context. */
278: int
279: status_redraw(struct client *c)
280: {
1.48 nicm 281: struct screen_write_ctx ctx;
282: struct session *s = c->session;
283: struct winlink *wl;
284: struct screen old_status, window_list;
285: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 286: struct options *oo;
1.48 nicm 287: time_t t;
1.91 nicm 288: char *left, *right, *sep;
1.48 nicm 289: u_int offset, needed;
290: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 291: size_t llen, rlen, seplen;
1.139 nicm 292: int larrow, rarrow;
1.1 nicm 293:
1.49 nicm 294: /* No status line? */
1.137 nicm 295: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 296: return (1);
1.48 nicm 297: left = right = NULL;
1.7 nicm 298: larrow = rarrow = 0;
1.1 nicm 299:
1.133 nicm 300: /* Store current time. */
301: t = time(NULL);
1.48 nicm 302:
303: /* Set up default colour. */
1.137 nicm 304: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 305:
1.48 nicm 306: /* Create the target screen. */
307: memcpy(&old_status, &c->status, sizeof old_status);
308: screen_init(&c->status, c->tty.sx, 1, 0);
309: screen_write_start(&ctx, NULL, &c->status);
310: for (offset = 0; offset < c->tty.sx; offset++)
311: screen_write_putc(&ctx, &stdgc, ' ');
312: screen_write_stop(&ctx);
313:
314: /* If the height is one line, blank status line. */
315: if (c->tty.sy <= 1)
316: goto out;
1.1 nicm 317:
1.48 nicm 318: /* Work out left and right strings. */
319: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 320: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 321: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 322: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 323:
324: /*
1.48 nicm 325: * Figure out how much space we have for the window list. If there
326: * isn't enough space, just show a blank status line.
1.1 nicm 327: */
1.55 nicm 328: needed = 0;
1.1 nicm 329: if (llen != 0)
1.118 nicm 330: needed += llen;
1.1 nicm 331: if (rlen != 0)
1.118 nicm 332: needed += rlen;
1.48 nicm 333: if (c->tty.sx == 0 || c->tty.sx <= needed)
334: goto out;
335: wlavailable = c->tty.sx - needed;
1.1 nicm 336:
1.48 nicm 337: /* Calculate the total size needed for the window list. */
338: wlstart = wloffset = wlwidth = 0;
1.1 nicm 339: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 340: free(wl->status_text);
1.48 nicm 341: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
342: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 343: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 344:
1.1 nicm 345: if (wl == s->curw)
1.48 nicm 346: wloffset = wlwidth;
1.91 nicm 347:
1.137 nicm 348: oo = wl->window->options;
1.91 nicm 349: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 350: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 351: wlwidth += wl->status_width + seplen;
1.48 nicm 352: }
353:
354: /* Create a new screen for the window list. */
355: screen_init(&window_list, wlwidth, 1, 0);
356:
357: /* And draw the window list into it. */
358: screen_write_start(&ctx, NULL, &window_list);
359: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 360: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
361: wl->status_text);
1.91 nicm 362:
1.137 nicm 363: oo = wl->window->options;
1.91 nicm 364: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 365: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 366: }
1.48 nicm 367: screen_write_stop(&ctx);
1.1 nicm 368:
1.48 nicm 369: /* If there is enough space for the total width, skip to draw now. */
370: if (wlwidth <= wlavailable)
1.1 nicm 371: goto draw;
372:
373: /* Find size of current window text. */
1.48 nicm 374: wlsize = s->curw->status_width;
1.1 nicm 375:
376: /*
1.48 nicm 377: * If the current window is already on screen, good to draw from the
1.1 nicm 378: * start and just leave off the end.
379: */
1.48 nicm 380: if (wloffset + wlsize < wlavailable) {
381: if (wlavailable > 0) {
382: rarrow = 1;
383: wlavailable--;
384: }
385: wlwidth = wlavailable;
386: } else {
387: /*
388: * Work out how many characters we need to omit from the
389: * start. There are wlavailable characters to fill, and
390: * wloffset + wlsize must be the last. So, the start character
391: * is wloffset + wlsize - wlavailable.
392: */
393: if (wlavailable > 0) {
394: larrow = 1;
395: wlavailable--;
396: }
1.55 nicm 397:
1.48 nicm 398: wlstart = wloffset + wlsize - wlavailable;
399: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 400: rarrow = 1;
1.48 nicm 401: wlstart++;
402: wlavailable--;
1.1 nicm 403: }
1.48 nicm 404: wlwidth = wlavailable;
405: }
1.1 nicm 406:
1.48 nicm 407: /* Bail if anything is now too small too. */
408: if (wlwidth == 0 || wlavailable == 0) {
409: screen_free(&window_list);
410: goto out;
1.1 nicm 411: }
412:
413: /*
1.48 nicm 414: * Now the start position is known, work out the state of the left and
415: * right arrows.
1.1 nicm 416: */
417: offset = 0;
418: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 419: if (wl->flags & WINLINK_ALERTFLAGS &&
420: larrow == 1 && offset < wlstart)
421: larrow = -1;
1.1 nicm 422:
1.48 nicm 423: offset += wl->status_width;
1.1 nicm 424:
1.63 nicm 425: if (wl->flags & WINLINK_ALERTFLAGS &&
426: rarrow == 1 && offset > wlstart + wlwidth)
427: rarrow = -1;
1.1 nicm 428: }
429:
1.48 nicm 430: draw:
1.55 nicm 431: /* Begin drawing. */
1.48 nicm 432: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 433:
1.48 nicm 434: /* Draw the left string and arrow. */
435: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 436: if (llen != 0)
1.139 nicm 437: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 438: if (larrow != 0) {
439: memcpy(&gc, &stdgc, sizeof gc);
440: if (larrow == -1)
441: gc.attr ^= GRID_ATTR_REVERSE;
442: screen_write_putc(&ctx, &gc, '<');
443: }
1.48 nicm 444:
445: /* Draw the right string and arrow. */
1.1 nicm 446: if (rarrow != 0) {
1.118 nicm 447: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 448: memcpy(&gc, &stdgc, sizeof gc);
449: if (rarrow == -1)
450: gc.attr ^= GRID_ATTR_REVERSE;
451: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 452: } else
1.118 nicm 453: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
454: if (rlen != 0)
1.139 nicm 455: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 456:
1.48 nicm 457: /* Figure out the offset for the window list. */
1.58 nicm 458: if (llen != 0)
1.118 nicm 459: wloffset = llen;
1.58 nicm 460: else
461: wloffset = 0;
1.48 nicm 462: if (wlwidth < wlavailable) {
1.137 nicm 463: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 464: case 1: /* centred */
1.58 nicm 465: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 466: break;
467: case 2: /* right */
1.58 nicm 468: wloffset += (wlavailable - wlwidth);
1.48 nicm 469: break;
470: }
471: }
472: if (larrow != 0)
473: wloffset++;
474:
475: /* Copy the window list. */
1.88 nicm 476: c->wlmouse = -wloffset + wlstart;
1.48 nicm 477: screen_write_cursormove(&ctx, wloffset, 0);
1.157 nicm 478: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1, NULL,
479: NULL);
1.55 nicm 480: screen_free(&window_list);
1.1 nicm 481:
1.48 nicm 482: screen_write_stop(&ctx);
1.1 nicm 483:
484: out:
1.94 nicm 485: free(left);
486: free(right);
1.1 nicm 487:
488: if (grid_compare(c->status.grid, old_status.grid) == 0) {
489: screen_free(&old_status);
490: return (0);
491: }
492: screen_free(&old_status);
493: return (1);
494: }
495:
1.46 nicm 496: /* Replace special sequences in fmt. */
1.151 nicm 497: static char *
1.123 nicm 498: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 499: {
1.96 nicm 500: struct format_tree *ft;
1.129 nicm 501: char *expanded;
1.47 nicm 502:
1.93 nicm 503: if (fmt == NULL)
504: return (xstrdup(""));
505:
1.135 nicm 506: if (c->flags & CLIENT_STATUSFORCE)
1.145 nicm 507: ft = format_create(NULL, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 508: else
1.145 nicm 509: ft = format_create(NULL, FORMAT_STATUS);
1.129 nicm 510: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 511:
1.129 nicm 512: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 513:
1.99 nicm 514: format_free(ft);
515: return (expanded);
1.1 nicm 516: }
517:
1.46 nicm 518: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 519: static char *
1.120 nicm 520: status_print(struct client *c, struct winlink *wl, time_t t,
521: struct grid_cell *gc)
1.1 nicm 522: {
1.137 nicm 523: struct options *oo = wl->window->options;
1.47 nicm 524: struct session *s = c->session;
525: const char *fmt;
526: char *text;
1.1 nicm 527:
1.108 nicm 528: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 529: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 530: if (wl == s->curw) {
1.108 nicm 531: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 532: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 533: }
1.108 nicm 534: if (wl == TAILQ_FIRST(&s->lastw))
535: style_apply_update(gc, oo, "window-status-last-style");
536:
537: if (wl->flags & WINLINK_BELL)
538: style_apply_update(gc, oo, "window-status-bell-style");
539: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
540: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 541:
1.123 nicm 542: text = status_replace(c, wl, fmt, t);
1.1 nicm 543: return (text);
544: }
545:
1.46 nicm 546: /* Set a status line message. */
1.117 nicm 547: void
1.10 nicm 548: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 549: {
1.44 nicm 550: struct timeval tv;
1.127 nicm 551: struct message_entry *msg, *msg1;
1.44 nicm 552: va_list ap;
553: int delay;
1.147 nicm 554: u_int limit;
1.127 nicm 555:
1.137 nicm 556: limit = options_get_number(global_options, "message-limit");
1.1 nicm 557:
1.12 nicm 558: status_message_clear(c);
559:
1.28 nicm 560: va_start(ap, fmt);
561: xvasprintf(&c->message_string, fmt, ap);
562: va_end(ap);
563:
1.127 nicm 564: msg = xcalloc(1, sizeof *msg);
1.44 nicm 565: msg->msg_time = time(NULL);
1.127 nicm 566: msg->msg_num = c->message_next++;
1.44 nicm 567: msg->msg = xstrdup(c->message_string);
1.127 nicm 568: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 569:
1.127 nicm 570: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.147 nicm 571: if (msg->msg_num + limit >= c->message_next)
572: break;
1.127 nicm 573: free(msg->msg);
574: TAILQ_REMOVE(&c->message_log, msg, entry);
575: free(msg);
1.44 nicm 576: }
577:
1.137 nicm 578: delay = options_get_number(c->session->options, "display-time");
1.143 tim 579: if (delay > 0) {
580: tv.tv_sec = delay / 1000;
581: tv.tv_usec = (delay % 1000) * 1000L;
582:
583: if (event_initialized(&c->message_timer))
584: evtimer_del(&c->message_timer);
585: evtimer_set(&c->message_timer, status_message_callback, c);
586: evtimer_add(&c->message_timer, &tv);
587: }
1.1 nicm 588:
589: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
590: c->flags |= CLIENT_STATUS;
591: }
592:
1.46 nicm 593: /* Clear status line message. */
1.1 nicm 594: void
595: status_message_clear(struct client *c)
596: {
597: if (c->message_string == NULL)
598: return;
599:
1.94 nicm 600: free(c->message_string);
1.1 nicm 601: c->message_string = NULL;
602:
1.156 nicm 603: if (c->prompt_string == NULL)
604: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 605: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 606:
607: screen_reinit(&c->status);
1.42 nicm 608: }
609:
1.46 nicm 610: /* Clear status line message after timer expires. */
1.151 nicm 611: static void
1.141 nicm 612: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 613: {
614: struct client *c = data;
615:
616: status_message_clear(c);
1.1 nicm 617: }
618:
619: /* Draw client message on status line of present else on last line. */
620: int
621: status_message_redraw(struct client *c)
622: {
623: struct screen_write_ctx ctx;
624: struct session *s = c->session;
625: struct screen old_status;
626: size_t len;
627: struct grid_cell gc;
628:
629: if (c->tty.sx == 0 || c->tty.sy == 0)
630: return (0);
631: memcpy(&old_status, &c->status, sizeof old_status);
632: screen_init(&c->status, c->tty.sx, 1, 0);
633:
1.139 nicm 634: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 635: if (len > c->tty.sx)
636: len = c->tty.sx;
637:
1.137 nicm 638: style_apply(&gc, s->options, "message-style");
1.1 nicm 639:
640: screen_write_start(&ctx, NULL, &c->status);
641:
642: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 643: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 644: for (; len < c->tty.sx; len++)
645: screen_write_putc(&ctx, &gc, ' ');
646:
647: screen_write_stop(&ctx);
648:
649: if (grid_compare(c->status.grid, old_status.grid) == 0) {
650: screen_free(&old_status);
651: return (0);
652: }
653: screen_free(&old_status);
654: return (1);
655: }
656:
1.46 nicm 657: /* Enable status line prompt. */
1.1 nicm 658: void
1.76 nicm 659: status_prompt_set(struct client *c, const char *msg, const char *input,
1.158 ! nicm 660: int (*callbackfn)(void *, const char *, int), void (*freefn)(void *),
1.12 nicm 661: void *data, int flags)
1.1 nicm 662: {
1.122 nicm 663: struct format_tree *ft;
664: time_t t;
1.152 nicm 665: char *tmp;
1.122 nicm 666:
1.145 nicm 667: ft = format_create(NULL, 0);
1.122 nicm 668: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 669:
1.122 nicm 670: t = time(NULL);
1.152 nicm 671: tmp = format_expand_time(ft, input, t);
1.20 nicm 672:
1.12 nicm 673: status_message_clear(c);
674: status_prompt_clear(c);
675:
1.124 nicm 676: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 677:
1.152 nicm 678: c->prompt_buffer = utf8_fromcstr(tmp);
679: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 680:
1.12 nicm 681: c->prompt_callbackfn = callbackfn;
682: c->prompt_freefn = freefn;
1.1 nicm 683: c->prompt_data = data;
684:
685: c->prompt_hindex = 0;
686:
687: c->prompt_flags = flags;
1.155 nicm 688: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 689:
1.158 ! nicm 690: if (~flags & PROMPT_INCREMENTAL)
! 691: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.1 nicm 692: c->flags |= CLIENT_STATUS;
1.122 nicm 693:
1.152 nicm 694: free(tmp);
1.122 nicm 695: format_free(ft);
1.1 nicm 696: }
697:
1.46 nicm 698: /* Remove status line prompt. */
1.1 nicm 699: void
700: status_prompt_clear(struct client *c)
701: {
1.55 nicm 702: if (c->prompt_string == NULL)
1.1 nicm 703: return;
704:
1.12 nicm 705: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
706: c->prompt_freefn(c->prompt_data);
1.1 nicm 707:
1.94 nicm 708: free(c->prompt_string);
1.1 nicm 709: c->prompt_string = NULL;
710:
1.94 nicm 711: free(c->prompt_buffer);
1.1 nicm 712: c->prompt_buffer = NULL;
713:
714: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 715: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 716:
717: screen_reinit(&c->status);
1.27 nicm 718: }
719:
1.46 nicm 720: /* Update status line prompt with a new prompt string. */
1.27 nicm 721: void
1.76 nicm 722: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 723: {
1.122 nicm 724: struct format_tree *ft;
725: time_t t;
1.152 nicm 726: char *tmp;
1.122 nicm 727:
1.145 nicm 728: ft = format_create(NULL, 0);
1.122 nicm 729: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 730:
1.122 nicm 731: t = time(NULL);
1.152 nicm 732: tmp = format_expand_time(ft, input, t);
1.122 nicm 733:
1.94 nicm 734: free(c->prompt_string);
1.124 nicm 735: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 736:
1.94 nicm 737: free(c->prompt_buffer);
1.152 nicm 738: c->prompt_buffer = utf8_fromcstr(tmp);
739: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 740:
741: c->prompt_hindex = 0;
742:
743: c->flags |= CLIENT_STATUS;
1.122 nicm 744:
1.152 nicm 745: free(tmp);
1.122 nicm 746: format_free(ft);
1.1 nicm 747: }
748:
749: /* Draw client prompt on status line of present else on last line. */
750: int
751: status_prompt_redraw(struct client *c)
752: {
1.152 nicm 753: struct screen_write_ctx ctx;
754: struct session *s = c->session;
755: struct screen old_status;
756: u_int i, offset, left, start, pcursor, pwidth, width;
757: struct grid_cell gc, cursorgc;
1.1 nicm 758:
759: if (c->tty.sx == 0 || c->tty.sy == 0)
760: return (0);
761: memcpy(&old_status, &c->status, sizeof old_status);
762: screen_init(&c->status, c->tty.sx, 1, 0);
763:
1.155 nicm 764: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 765: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 766: else
1.137 nicm 767: style_apply(&gc, s->options, "message-style");
1.1 nicm 768:
1.152 nicm 769: memcpy(&cursorgc, &gc, sizeof cursorgc);
770: cursorgc.attr ^= GRID_ATTR_REVERSE;
771:
772: start = screen_write_strlen("%s", c->prompt_string);
773: if (start > c->tty.sx)
774: start = c->tty.sx;
775:
1.1 nicm 776: screen_write_start(&ctx, NULL, &c->status);
777: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 778: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
779: while (c->status.cx < screen_size_x(&c->status))
780: screen_write_putc(&ctx, &gc, ' ');
781: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 782:
1.152 nicm 783: left = c->tty.sx - start;
784: if (left == 0)
785: goto finished;
786:
787: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
788: pwidth = utf8_strwidth(c->prompt_buffer, -1);
789: if (pcursor >= left) {
790: /*
791: * The cursor would be outside the screen so start drawing
792: * with it on the right.
793: */
794: offset = (pcursor - left) + 1;
795: pwidth = left;
796: } else
797: offset = 0;
798: if (pwidth > left)
799: pwidth = left;
800:
801: width = 0;
802: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
803: if (width < offset) {
804: width += c->prompt_buffer[i].width;
805: continue;
1.1 nicm 806: }
1.152 nicm 807: if (width >= offset + pwidth)
808: break;
809: width += c->prompt_buffer[i].width;
810: if (width > offset + pwidth)
811: break;
1.1 nicm 812:
1.152 nicm 813: if (i != c->prompt_index) {
814: utf8_copy(&gc.data, &c->prompt_buffer[i]);
815: screen_write_cell(&ctx, &gc);
816: } else {
817: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
818: screen_write_cell(&ctx, &cursorgc);
819: }
1.1 nicm 820: }
1.152 nicm 821: if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i)
822: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 823:
1.152 nicm 824: finished:
1.1 nicm 825: screen_write_stop(&ctx);
1.51 nicm 826:
1.1 nicm 827: if (grid_compare(c->status.grid, old_status.grid) == 0) {
828: screen_free(&old_status);
829: return (0);
830: }
831: screen_free(&old_status);
832: return (1);
833: }
834:
1.152 nicm 835: /* Is this a separator? */
836: static int
837: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
838: {
839: if (ud->size != 1 || ud->width != 1)
840: return (0);
841: return (strchr(ws, *ud->data) != NULL);
842: }
843:
844: /* Is this a space? */
845: static int
846: status_prompt_space(const struct utf8_data *ud)
847: {
848: if (ud->size != 1 || ud->width != 1)
849: return (0);
850: return (*ud->data == ' ');
851: }
852:
1.155 nicm 853: /*
854: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
855: * as an emacs key; return 2 to append to the buffer.
856: */
857: static int
858: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
859: {
860: if (c->prompt_mode == PROMPT_ENTRY) {
861: switch (key) {
862: case '\003': /* C-c */
863: case '\010': /* C-h */
864: case '\011': /* Tab */
865: case '\025': /* C-u */
866: case '\027': /* C-w */
867: case '\n':
868: case '\r':
869: case KEYC_BSPACE:
870: case KEYC_DC:
871: case KEYC_DOWN:
872: case KEYC_END:
873: case KEYC_HOME:
874: case KEYC_LEFT:
875: case KEYC_RIGHT:
876: case KEYC_UP:
877: *new_key = key;
878: return (1);
879: case '\033': /* Escape */
880: c->prompt_mode = PROMPT_COMMAND;
881: c->flags |= CLIENT_STATUS;
882: return (0);
883: }
884: *new_key = key;
885: return (2);
886: }
887:
888: switch (key) {
889: case 'A':
890: case 'I':
891: case 'C':
892: case 's':
893: case 'a':
894: c->prompt_mode = PROMPT_ENTRY;
895: c->flags |= CLIENT_STATUS;
896: break; /* switch mode and... */
897: case 'S':
898: c->prompt_mode = PROMPT_ENTRY;
899: c->flags |= CLIENT_STATUS;
900: *new_key = '\025'; /* C-u */
901: return (1);
902: case 'i':
903: case '\033': /* Escape */
904: c->prompt_mode = PROMPT_ENTRY;
905: c->flags |= CLIENT_STATUS;
906: return (0);
907: }
908:
909: switch (key) {
910: case 'A':
911: case '$':
912: *new_key = KEYC_END;
913: return (1);
914: case 'I':
915: case '0':
916: case '^':
917: *new_key = KEYC_HOME;
918: return (1);
919: case 'C':
920: case 'D':
921: *new_key = '\013'; /* C-k */
922: return (1);
923: case KEYC_BSPACE:
924: case 'X':
925: *new_key = KEYC_BSPACE;
926: return (1);
927: case 'b':
928: case 'B':
929: *new_key = 'b'|KEYC_ESCAPE;
930: return (1);
931: case 'd':
932: *new_key = '\025';
933: return (1);
934: case 'e':
935: case 'E':
936: case 'w':
937: case 'W':
938: *new_key = 'f'|KEYC_ESCAPE;
939: return (1);
940: case 'p':
941: *new_key = '\031'; /* C-y */
942: return (1);
943: case 's':
944: case KEYC_DC:
945: case 'x':
946: *new_key = KEYC_DC;
947: return (1);
948: case KEYC_DOWN:
949: case 'j':
950: *new_key = KEYC_DOWN;
951: return (1);
952: case KEYC_LEFT:
953: case 'h':
954: *new_key = KEYC_LEFT;
955: return (1);
956: case 'a':
957: case KEYC_RIGHT:
958: case 'l':
959: *new_key = KEYC_RIGHT;
960: return (1);
961: case KEYC_UP:
962: case 'k':
963: *new_key = KEYC_UP;
964: return (1);
965: case '\010' /* C-h */:
966: case '\003' /* C-c */:
967: case '\n':
968: case '\r':
969: return (1);
970: }
971: return (0);
972: }
973:
1.1 nicm 974: /* Handle keys in prompt. */
1.154 nicm 975: int
1.138 nicm 976: status_prompt_key(struct client *c, key_code key)
1.1 nicm 977: {
1.152 nicm 978: struct options *oo = c->session->options;
1.1 nicm 979: struct paste_buffer *pb;
1.158 ! nicm 980: char *s, *cp, word[64], prefix = '=';
1.152 nicm 981: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 982: u_char ch;
1.152 nicm 983: size_t size, n, off, idx, bufsize, used;
984: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 985: int keys;
1.1 nicm 986:
1.152 nicm 987: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 988:
989: if (c->prompt_flags & PROMPT_NUMERIC) {
990: if (key >= '0' && key <= '9')
991: goto append_key;
992: s = utf8_tocstr(c->prompt_buffer);
1.158 ! nicm 993: c->prompt_callbackfn(c->prompt_data, s, 1);
1.154 nicm 994: status_prompt_clear(c);
995: free(s);
996: return (1);
997: }
998:
1.155 nicm 999: keys = options_get_number(c->session->options, "status-keys");
1000: if (keys == MODEKEY_VI) {
1001: switch (status_prompt_translate_key(c, key, &key)) {
1002: case 1:
1003: goto process_key;
1004: case 2:
1005: goto append_key;
1006: default:
1007: return (0);
1008: }
1009: }
1010:
1011: process_key:
1012: switch (key) {
1013: case KEYC_LEFT:
1014: case '\002': /* C-b */
1.1 nicm 1015: if (c->prompt_index > 0) {
1016: c->prompt_index--;
1.158 ! nicm 1017: break;
1.1 nicm 1018: }
1019: break;
1.155 nicm 1020: case KEYC_RIGHT:
1021: case '\006': /* C-f */
1.1 nicm 1022: if (c->prompt_index < size) {
1023: c->prompt_index++;
1.158 ! nicm 1024: break;
1.1 nicm 1025: }
1026: break;
1.155 nicm 1027: case KEYC_HOME:
1028: case '\001': /* C-a */
1.1 nicm 1029: if (c->prompt_index != 0) {
1030: c->prompt_index = 0;
1.158 ! nicm 1031: break;
1.1 nicm 1032: }
1033: break;
1.155 nicm 1034: case KEYC_END:
1035: case '\005': /* C-e */
1.1 nicm 1036: if (c->prompt_index != size) {
1037: c->prompt_index = size;
1.158 ! nicm 1038: break;
1.1 nicm 1039: }
1040: break;
1.155 nicm 1041: case '\011': /* Tab */
1.152 nicm 1042: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1043: break;
1044:
1045: idx = c->prompt_index;
1046: if (idx != 0)
1047: idx--;
1048:
1049: /* Find the word we are in. */
1.152 nicm 1050: first = &c->prompt_buffer[idx];
1051: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1052: first--;
1.152 nicm 1053: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1054: first++;
1.152 nicm 1055: last = &c->prompt_buffer[idx];
1056: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1057: last++;
1.152 nicm 1058: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1059: last--;
1.152 nicm 1060: if (last->size != 0)
1.1 nicm 1061: last++;
1.152 nicm 1062: if (last <= first)
1063: break;
1064:
1065: used = 0;
1066: for (ud = first; ud < last; ud++) {
1067: if (used + ud->size >= sizeof word)
1068: break;
1069: memcpy(word + used, ud->data, ud->size);
1070: used += ud->size;
1071: }
1072: if (ud != last)
1.1 nicm 1073: break;
1.152 nicm 1074: word[used] = '\0';
1.1 nicm 1075:
1076: /* And try to complete it. */
1.152 nicm 1077: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1078: break;
1079:
1080: /* Trim out word. */
1081: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1082: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1083: size -= last - first;
1084:
1085: /* Insert the new word. */
1.55 nicm 1086: size += strlen(s);
1.1 nicm 1087: off = first - c->prompt_buffer;
1.152 nicm 1088: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1089: sizeof *c->prompt_buffer);
1.1 nicm 1090: first = c->prompt_buffer + off;
1.152 nicm 1091: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1092: for (idx = 0; idx < strlen(s); idx++)
1093: utf8_set(&first[idx], s[idx]);
1.1 nicm 1094:
1095: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1096: free(s);
1.1 nicm 1097:
1.158 ! nicm 1098: goto changed;
1.155 nicm 1099: case KEYC_BSPACE:
1100: case '\010': /* C-h */
1.1 nicm 1101: if (c->prompt_index != 0) {
1102: if (c->prompt_index == size)
1.152 nicm 1103: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1104: else {
1105: memmove(c->prompt_buffer + c->prompt_index - 1,
1106: c->prompt_buffer + c->prompt_index,
1.152 nicm 1107: (size + 1 - c->prompt_index) *
1108: sizeof *c->prompt_buffer);
1.1 nicm 1109: c->prompt_index--;
1110: }
1.158 ! nicm 1111: goto changed;
1.1 nicm 1112: }
1113: break;
1.155 nicm 1114: case KEYC_DC:
1115: case '\004': /* C-d */
1.1 nicm 1116: if (c->prompt_index != size) {
1117: memmove(c->prompt_buffer + c->prompt_index,
1118: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1119: (size + 1 - c->prompt_index) *
1120: sizeof *c->prompt_buffer);
1.158 ! nicm 1121: goto changed;
1.18 nicm 1122: }
1.26 nicm 1123: break;
1.155 nicm 1124: case '\025': /* C-u */
1.152 nicm 1125: c->prompt_buffer[0].size = 0;
1.26 nicm 1126: c->prompt_index = 0;
1.158 ! nicm 1127: goto changed;
1.155 nicm 1128: case '\013': /* C-k */
1.18 nicm 1129: if (c->prompt_index < size) {
1.152 nicm 1130: c->prompt_buffer[c->prompt_index].size = 0;
1.158 ! nicm 1131: goto changed;
1.1 nicm 1132: }
1133: break;
1.155 nicm 1134: case '\027': /* C-w */
1.152 nicm 1135: ws = options_get_string(oo, "word-separators");
1.81 nicm 1136: idx = c->prompt_index;
1137:
1138: /* Find a non-separator. */
1139: while (idx != 0) {
1140: idx--;
1.152 nicm 1141: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1142: break;
1143: }
1144:
1145: /* Find the separator at the beginning of the word. */
1146: while (idx != 0) {
1147: idx--;
1.152 nicm 1148: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1149: /* Go back to the word. */
1150: idx++;
1151: break;
1152: }
1153: }
1154:
1155: memmove(c->prompt_buffer + idx,
1156: c->prompt_buffer + c->prompt_index,
1.152 nicm 1157: (size + 1 - c->prompt_index) *
1158: sizeof *c->prompt_buffer);
1.81 nicm 1159: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1160: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1161: c->prompt_index = idx;
1.152 nicm 1162:
1.158 ! nicm 1163: goto changed;
1.155 nicm 1164: case 'f'|KEYC_ESCAPE:
1165: ws = options_get_string(oo, "word-separators");
1.81 nicm 1166:
1167: /* Find a word. */
1168: while (c->prompt_index != size) {
1.152 nicm 1169: idx = ++c->prompt_index;
1170: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1171: break;
1172: }
1173:
1174: /* Find the separator at the end of the word. */
1175: while (c->prompt_index != size) {
1.152 nicm 1176: idx = ++c->prompt_index;
1177: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1178: break;
1179: }
1.106 nicm 1180:
1181: /* Back up to the end-of-word like vi. */
1182: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1183: c->prompt_index != 0)
1184: c->prompt_index--;
1.81 nicm 1185:
1.158 ! nicm 1186: goto changed;
1.155 nicm 1187: case 'b'|KEYC_ESCAPE:
1188: ws = options_get_string(oo, "word-separators");
1.81 nicm 1189:
1190: /* Find a non-separator. */
1191: while (c->prompt_index != 0) {
1.152 nicm 1192: idx = --c->prompt_index;
1193: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1194: break;
1195: }
1196:
1197: /* Find the separator at the beginning of the word. */
1198: while (c->prompt_index != 0) {
1.152 nicm 1199: idx = --c->prompt_index;
1200: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1201: /* Go back to the word. */
1202: c->prompt_index++;
1203: break;
1204: }
1205: }
1.158 ! nicm 1206: goto changed;
1.155 nicm 1207: case KEYC_UP:
1208: case '\020': /* C-p */
1.66 nicm 1209: histstr = status_prompt_up_history(&c->prompt_hindex);
1210: if (histstr == NULL)
1.1 nicm 1211: break;
1.94 nicm 1212: free(c->prompt_buffer);
1.152 nicm 1213: c->prompt_buffer = utf8_fromcstr(histstr);
1214: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 ! nicm 1215: goto changed;
1.155 nicm 1216: case KEYC_DOWN:
1217: case '\016': /* C-n */
1.66 nicm 1218: histstr = status_prompt_down_history(&c->prompt_hindex);
1219: if (histstr == NULL)
1.65 nicm 1220: break;
1.94 nicm 1221: free(c->prompt_buffer);
1.152 nicm 1222: c->prompt_buffer = utf8_fromcstr(histstr);
1223: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 ! nicm 1224: goto changed;
1.155 nicm 1225: case '\031': /* C-y */
1.134 nicm 1226: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1227: break;
1.134 nicm 1228: bufdata = paste_buffer_data(pb, &bufsize);
1229: for (n = 0; n < bufsize; n++) {
1230: ch = (u_char)bufdata[n];
1.152 nicm 1231: if (ch < 32 || ch >= 127)
1.32 nicm 1232: break;
1233: }
1.1 nicm 1234:
1.152 nicm 1235: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1236: sizeof *c->prompt_buffer);
1.1 nicm 1237: if (c->prompt_index == size) {
1.152 nicm 1238: for (idx = 0; idx < n; idx++) {
1239: ud = &c->prompt_buffer[c->prompt_index + idx];
1240: utf8_set(ud, bufdata[idx]);
1241: }
1.1 nicm 1242: c->prompt_index += n;
1.152 nicm 1243: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1244: } else {
1245: memmove(c->prompt_buffer + c->prompt_index + n,
1246: c->prompt_buffer + c->prompt_index,
1.152 nicm 1247: (size + 1 - c->prompt_index) *
1248: sizeof *c->prompt_buffer);
1249: for (idx = 0; idx < n; idx++) {
1250: ud = &c->prompt_buffer[c->prompt_index + idx];
1251: utf8_set(ud, bufdata[idx]);
1252: }
1.1 nicm 1253: c->prompt_index += n;
1254: }
1.158 ! nicm 1255: goto changed;
1.155 nicm 1256: case '\024': /* C-t */
1.30 nicm 1257: idx = c->prompt_index;
1258: if (idx < size)
1259: idx++;
1260: if (idx >= 2) {
1.152 nicm 1261: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1262: utf8_copy(&c->prompt_buffer[idx - 2],
1263: &c->prompt_buffer[idx - 1]);
1264: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1265: c->prompt_index = idx;
1.158 ! nicm 1266: goto changed;
1.30 nicm 1267: }
1.1 nicm 1268: break;
1.155 nicm 1269: case '\r':
1270: case '\n':
1.152 nicm 1271: s = utf8_tocstr(c->prompt_buffer);
1272: if (*s != '\0')
1273: status_prompt_add_history(s);
1.158 ! nicm 1274: if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0)
1.25 nicm 1275: status_prompt_clear(c);
1.152 nicm 1276: free(s);
1.25 nicm 1277: break;
1.155 nicm 1278: case '\033': /* Escape */
1279: case '\003': /* C-c */
1.158 ! nicm 1280: if (c->prompt_callbackfn(c->prompt_data, NULL, 1) == 0)
1.1 nicm 1281: status_prompt_clear(c);
1282: break;
1.158 ! nicm 1283: case '\022': /* C-r */
! 1284: if (c->prompt_flags & PROMPT_INCREMENTAL) {
! 1285: prefix = '-';
! 1286: goto changed;
! 1287: }
! 1288: break;
! 1289: case '\023': /* C-s */
! 1290: if (c->prompt_flags & PROMPT_INCREMENTAL) {
! 1291: prefix = '+';
! 1292: goto changed;
! 1293: }
! 1294: break;
! 1295: default:
! 1296: goto append_key;
1.154 nicm 1297: }
1.152 nicm 1298:
1.158 ! nicm 1299: c->flags |= CLIENT_STATUS;
! 1300: return (0);
! 1301:
1.154 nicm 1302: append_key:
1303: if (key <= 0x1f || key >= KEYC_BASE)
1304: return (0);
1305: if (utf8_split(key, &tmp) != UTF8_DONE)
1306: return (0);
1.1 nicm 1307:
1.154 nicm 1308: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1309: sizeof *c->prompt_buffer);
1.1 nicm 1310:
1.154 nicm 1311: if (c->prompt_index == size) {
1312: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1313: c->prompt_index++;
1314: c->prompt_buffer[c->prompt_index].size = 0;
1315: } else {
1316: memmove(c->prompt_buffer + c->prompt_index + 1,
1317: c->prompt_buffer + c->prompt_index,
1318: (size + 1 - c->prompt_index) *
1319: sizeof *c->prompt_buffer);
1320: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1321: c->prompt_index++;
1322: }
1.1 nicm 1323:
1.154 nicm 1324: if (c->prompt_flags & PROMPT_SINGLE) {
1325: s = utf8_tocstr(c->prompt_buffer);
1326: if (strlen(s) != 1)
1327: status_prompt_clear(c);
1.158 ! nicm 1328: else if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0)
1.154 nicm 1329: status_prompt_clear(c);
1330: free(s);
1.1 nicm 1331: }
1.154 nicm 1332:
1.158 ! nicm 1333: changed:
1.154 nicm 1334: c->flags |= CLIENT_STATUS;
1.158 ! nicm 1335: if (c->prompt_flags & PROMPT_INCREMENTAL) {
! 1336: s = utf8_tocstr(c->prompt_buffer);
! 1337: xasprintf(&cp, "%c%s", prefix, s);
! 1338: c->prompt_callbackfn(c->prompt_data, cp, 0);
! 1339: free(cp);
! 1340: free(s);
! 1341: }
1.154 nicm 1342: return (0);
1.1 nicm 1343: }
1344:
1.65 nicm 1345: /* Get previous line from the history. */
1.151 nicm 1346: static const char *
1.65 nicm 1347: status_prompt_up_history(u_int *idx)
1348: {
1349: /*
1.128 nicm 1350: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1351: * empty.
1.65 nicm 1352: */
1353:
1.128 nicm 1354: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1355: return (NULL);
1356: (*idx)++;
1.128 nicm 1357: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1358: }
1359:
1360: /* Get next line from the history. */
1.151 nicm 1361: static const char *
1.65 nicm 1362: status_prompt_down_history(u_int *idx)
1363: {
1.128 nicm 1364: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1365: return ("");
1366: (*idx)--;
1367: if (*idx == 0)
1368: return ("");
1.128 nicm 1369: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1370: }
1371:
1.1 nicm 1372: /* Add line to the history. */
1.151 nicm 1373: static void
1.65 nicm 1374: status_prompt_add_history(const char *line)
1.1 nicm 1375: {
1.128 nicm 1376: size_t size;
1.65 nicm 1377:
1.128 nicm 1378: if (status_prompt_hsize > 0 &&
1379: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1380: return;
1381:
1.128 nicm 1382: if (status_prompt_hsize == PROMPT_HISTORY) {
1383: free(status_prompt_hlist[0]);
1.1 nicm 1384:
1.128 nicm 1385: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1386: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1387:
1.128 nicm 1388: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1389: return;
1390: }
1.1 nicm 1391:
1.128 nicm 1392: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1393: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1394: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1395: }
1396:
1397: /* Build completion list. */
1.151 nicm 1398: static const char **
1.128 nicm 1399: status_prompt_complete_list(u_int *size, const char *s)
1400: {
1401: const char **list = NULL, **layout;
1402: const struct cmd_entry **cmdent;
1403: const struct options_table_entry *oe;
1404: const char *layouts[] = {
1405: "even-horizontal", "even-vertical", "main-horizontal",
1406: "main-vertical", "tiled", NULL
1407: };
1.1 nicm 1408:
1.128 nicm 1409: *size = 0;
1.1 nicm 1410: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1411: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1412: list = xreallocarray(list, (*size) + 1, sizeof *list);
1413: list[(*size)++] = (*cmdent)->name;
1414: }
1.56 nicm 1415: }
1.142 nicm 1416: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1417: if (strncmp(oe->name, s, strlen(s)) == 0) {
1418: list = xreallocarray(list, (*size) + 1, sizeof *list);
1419: list[(*size)++] = oe->name;
1420: }
1421: }
1422: for (layout = layouts; *layout != NULL; layout++) {
1423: if (strncmp(*layout, s, strlen(s)) == 0) {
1424: list = xreallocarray(list, (*size) + 1, sizeof *list);
1425: list[(*size)++] = *layout;
1426: }
1427: }
1428: return (list);
1429: }
1430:
1431: /* Find longest prefix. */
1.151 nicm 1432: static char *
1.128 nicm 1433: status_prompt_complete_prefix(const char **list, u_int size)
1434: {
1435: char *out;
1436: u_int i;
1437: size_t j;
1438:
1439: out = xstrdup(list[0]);
1440: for (i = 1; i < size; i++) {
1441: j = strlen(list[i]);
1442: if (j > strlen(out))
1443: j = strlen(out);
1444: for (; j > 0; j--) {
1445: if (out[j - 1] != list[i][j - 1])
1446: out[j - 1] = '\0';
1447: }
1.1 nicm 1448: }
1.128 nicm 1449: return (out);
1450: }
1.1 nicm 1451:
1.128 nicm 1452: /* Complete word. */
1.151 nicm 1453: static char *
1.152 nicm 1454: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1455: {
1456: const char **list = NULL, *colon;
1457: u_int size = 0, i;
1458: struct session *s_loop;
1459: struct winlink *wl;
1460: struct window *w;
1461: char *copy, *out, *tmp;
1462:
1463: if (*s == '\0')
1.1 nicm 1464: return (NULL);
1.128 nicm 1465: out = NULL;
1466:
1467: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1468: list = status_prompt_complete_list(&size, s);
1469: if (size == 0)
1470: out = NULL;
1471: else if (size == 1)
1472: xasprintf(&out, "%s ", list[0]);
1473: else
1474: out = status_prompt_complete_prefix(list, size);
1475: free(list);
1476: return (out);
1477: }
1478: copy = xstrdup(s);
1479:
1480: colon = ":";
1481: if (copy[strlen(copy) - 1] == ':')
1482: copy[strlen(copy) - 1] = '\0';
1483: else
1484: colon = "";
1485: s = copy + 2;
1.1 nicm 1486:
1.128 nicm 1487: RB_FOREACH(s_loop, sessions, &sessions) {
1488: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1489: list = xreallocarray(list, size + 2, sizeof *list);
1490: list[size++] = s_loop->name;
1491: }
1492: }
1493: if (size == 1) {
1494: out = xstrdup(list[0]);
1495: if (session_find(list[0]) != NULL)
1496: colon = ":";
1497: } else if (size != 0)
1498: out = status_prompt_complete_prefix(list, size);
1499: if (out != NULL) {
1500: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1501: out = tmp;
1502: goto found;
1503: }
1504:
1505: colon = "";
1506: if (*s == ':') {
1.152 nicm 1507: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1508: xasprintf(&tmp, ":%s", wl->window->name);
1509: if (strncmp(tmp, s, strlen(s)) == 0){
1510: list = xreallocarray(list, size + 1,
1511: sizeof *list);
1512: list[size++] = tmp;
1513: continue;
1514: }
1515: free(tmp);
1.1 nicm 1516:
1.128 nicm 1517: xasprintf(&tmp, ":%d", wl->idx);
1518: if (strncmp(tmp, s, strlen(s)) == 0) {
1519: list = xreallocarray(list, size + 1,
1520: sizeof *list);
1521: list[size++] = tmp;
1522: continue;
1523: }
1524: free(tmp);
1525: }
1526: } else {
1527: RB_FOREACH(s_loop, sessions, &sessions) {
1528: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1529: w = wl->window;
1530:
1531: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1532: if (strncmp(tmp, s, strlen(s)) == 0) {
1533: list = xreallocarray(list, size + 1,
1534: sizeof *list);
1535: list[size++] = tmp;
1536: continue;
1537: }
1538: free(tmp);
1539:
1540: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1541: if (strncmp(tmp, s, strlen(s)) == 0) {
1542: list = xreallocarray(list, size + 1,
1543: sizeof *list);
1544: list[size++] = tmp;
1545: continue;
1546: }
1547: free(tmp);
1548: }
1.1 nicm 1549: }
1550: }
1.128 nicm 1551: if (size == 1) {
1552: out = xstrdup(list[0]);
1553: colon = " ";
1554: } else if (size != 0)
1555: out = status_prompt_complete_prefix(list, size);
1556: if (out != NULL) {
1557: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1558: out = tmp;
1559: }
1560:
1561: for (i = 0; i < size; i++)
1562: free((void *)list[i]);
1563:
1564: found:
1565: free(copy);
1566: free(list);
1567: return (out);
1.1 nicm 1568: }
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