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Unzoom window at start of destroy so it doesn't happen later (when
[tmux-openbsd.git] / window-copy.c
blob6f233077e564d2b2c89d8afbe47a99a6738a2792
1 /* $OpenBSD$ */
2
3 /*
4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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
21 #include <ctype.h>
22 #include <regex.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <time.h>
26
27 #include "tmux.h"
28
29 struct window_copy_mode_data;
30
31 static const char *window_copy_key_table(struct window_mode_entry *);
32 static void window_copy_command(struct window_mode_entry *, struct client *,
33 struct session *, struct winlink *, struct args *,
34 struct mouse_event *);
35 static struct screen *window_copy_init(struct window_mode_entry *,
36 struct cmd_find_state *, struct args *);
37 static struct screen *window_copy_view_init(struct window_mode_entry *,
38 struct cmd_find_state *, struct args *);
39 static void window_copy_free(struct window_mode_entry *);
40 static void window_copy_resize(struct window_mode_entry *, u_int, u_int);
41 static void window_copy_formats(struct window_mode_entry *,
42 struct format_tree *);
43 static void window_copy_pageup1(struct window_mode_entry *, int);
44 static int window_copy_pagedown(struct window_mode_entry *, int, int);
45 static void window_copy_next_paragraph(struct window_mode_entry *);
46 static void window_copy_previous_paragraph(struct window_mode_entry *);
47 static void window_copy_redraw_selection(struct window_mode_entry *, u_int);
48 static void window_copy_redraw_lines(struct window_mode_entry *, u_int,
49 u_int);
50 static void window_copy_redraw_screen(struct window_mode_entry *);
51 static void window_copy_write_line(struct window_mode_entry *,
52 struct screen_write_ctx *, u_int);
53 static void window_copy_write_lines(struct window_mode_entry *,
54 struct screen_write_ctx *, u_int, u_int);
55 static char *window_copy_match_at_cursor(struct window_copy_mode_data *);
56 static void window_copy_scroll_to(struct window_mode_entry *, u_int, u_int,
57 int);
58 static int window_copy_search_compare(struct grid *, u_int, u_int,
59 struct grid *, u_int, int);
60 static int window_copy_search_lr(struct grid *, struct grid *, u_int *,
61 u_int, u_int, u_int, int);
62 static int window_copy_search_rl(struct grid *, struct grid *, u_int *,
63 u_int, u_int, u_int, int);
64 static int window_copy_last_regex(struct grid *, u_int, u_int, u_int,
65 u_int, u_int *, u_int *, const char *, const regex_t *,
66 int);
67 static int window_copy_search_mark_at(struct window_copy_mode_data *,
68 u_int, u_int, u_int *);
69 static char *window_copy_stringify(struct grid *, u_int, u_int, u_int,
70 char *, u_int *);
71 static void window_copy_cstrtocellpos(struct grid *, u_int, u_int *,
72 u_int *, const char *);
73 static int window_copy_search_marks(struct window_mode_entry *,
74 struct screen *, int, int);
75 static void window_copy_clear_marks(struct window_mode_entry *);
76 static int window_copy_is_lowercase(const char *);
77 static void window_copy_search_back_overlap(struct grid *, regex_t *,
78 u_int *, u_int *, u_int *, u_int);
79 static int window_copy_search_jump(struct window_mode_entry *,
80 struct grid *, struct grid *, u_int, u_int, u_int, int, int,
81 int, int);
82 static int window_copy_search(struct window_mode_entry *, int, int);
83 static int window_copy_search_up(struct window_mode_entry *, int);
84 static int window_copy_search_down(struct window_mode_entry *, int);
85 static void window_copy_goto_line(struct window_mode_entry *, const char *);
86 static void window_copy_update_cursor(struct window_mode_entry *, u_int,
87 u_int);
88 static void window_copy_start_selection(struct window_mode_entry *);
89 static int window_copy_adjust_selection(struct window_mode_entry *,
90 u_int *, u_int *);
91 static int window_copy_set_selection(struct window_mode_entry *, int, int);
92 static int window_copy_update_selection(struct window_mode_entry *, int,
93 int);
94 static void window_copy_synchronize_cursor(struct window_mode_entry *, int);
95 static void *window_copy_get_selection(struct window_mode_entry *, size_t *);
96 static void window_copy_copy_buffer(struct window_mode_entry *,
97 const char *, void *, size_t);
98 static void window_copy_pipe(struct window_mode_entry *,
99 struct session *, const char *);
100 static void window_copy_copy_pipe(struct window_mode_entry *,
101 struct session *, const char *, const char *);
102 static void window_copy_copy_selection(struct window_mode_entry *,
103 const char *);
104 static void window_copy_append_selection(struct window_mode_entry *);
105 static void window_copy_clear_selection(struct window_mode_entry *);
106 static void window_copy_copy_line(struct window_mode_entry *, char **,
107 size_t *, u_int, u_int, u_int);
108 static int window_copy_in_set(struct window_mode_entry *, u_int, u_int,
109 const char *);
110 static u_int window_copy_find_length(struct window_mode_entry *, u_int);
111 static void window_copy_cursor_start_of_line(struct window_mode_entry *);
112 static void window_copy_cursor_back_to_indentation(
113 struct window_mode_entry *);
114 static void window_copy_cursor_end_of_line(struct window_mode_entry *);
115 static void window_copy_other_end(struct window_mode_entry *);
116 static void window_copy_cursor_left(struct window_mode_entry *);
117 static void window_copy_cursor_right(struct window_mode_entry *, int);
118 static void window_copy_cursor_up(struct window_mode_entry *, int);
119 static void window_copy_cursor_down(struct window_mode_entry *, int);
120 static void window_copy_cursor_jump(struct window_mode_entry *);
121 static void window_copy_cursor_jump_back(struct window_mode_entry *);
122 static void window_copy_cursor_jump_to(struct window_mode_entry *);
123 static void window_copy_cursor_jump_to_back(struct window_mode_entry *);
124 static void window_copy_cursor_next_word(struct window_mode_entry *,
125 const char *);
126 static void window_copy_cursor_next_word_end_pos(struct window_mode_entry *,
127 const char *, u_int *, u_int *);
128 static void window_copy_cursor_next_word_end(struct window_mode_entry *,
129 const char *, int);
130 static void window_copy_cursor_previous_word_pos(struct window_mode_entry *,
131 const char *, u_int *, u_int *);
132 static void window_copy_cursor_previous_word(struct window_mode_entry *,
133 const char *, int);
134 static void window_copy_cursor_prompt(struct window_mode_entry *, int,
135 const char *);
136 static void window_copy_scroll_up(struct window_mode_entry *, u_int);
137 static void window_copy_scroll_down(struct window_mode_entry *, u_int);
138 static void window_copy_rectangle_set(struct window_mode_entry *, int);
139 static void window_copy_move_mouse(struct mouse_event *);
140 static void window_copy_drag_update(struct client *, struct mouse_event *);
141 static void window_copy_drag_release(struct client *, struct mouse_event *);
142 static void window_copy_jump_to_mark(struct window_mode_entry *);
143 static void window_copy_acquire_cursor_up(struct window_mode_entry *,
144 u_int, u_int, u_int, u_int, u_int);
145 static void window_copy_acquire_cursor_down(struct window_mode_entry *,
146 u_int, u_int, u_int, u_int, u_int, u_int, int);
147
148 const struct window_mode window_copy_mode = {
149 .name = "copy-mode",
150
151 .init = window_copy_init,
152 .free = window_copy_free,
153 .resize = window_copy_resize,
154 .key_table = window_copy_key_table,
155 .command = window_copy_command,
156 .formats = window_copy_formats,
157 };
158
159 const struct window_mode window_view_mode = {
160 .name = "view-mode",
161
162 .init = window_copy_view_init,
163 .free = window_copy_free,
164 .resize = window_copy_resize,
165 .key_table = window_copy_key_table,
166 .command = window_copy_command,
167 .formats = window_copy_formats,
168 };
169
170 enum {
171 WINDOW_COPY_OFF,
172 WINDOW_COPY_SEARCHUP,
173 WINDOW_COPY_SEARCHDOWN,
174 WINDOW_COPY_JUMPFORWARD,
175 WINDOW_COPY_JUMPBACKWARD,
176 WINDOW_COPY_JUMPTOFORWARD,
177 WINDOW_COPY_JUMPTOBACKWARD,
178 };
179
180 enum {
181 WINDOW_COPY_REL_POS_ABOVE,
182 WINDOW_COPY_REL_POS_ON_SCREEN,
183 WINDOW_COPY_REL_POS_BELOW,
184 };
185
186 enum window_copy_cmd_action {
187 WINDOW_COPY_CMD_NOTHING,
188 WINDOW_COPY_CMD_REDRAW,
189 WINDOW_COPY_CMD_CANCEL,
190 };
191
192 enum window_copy_cmd_clear {
193 WINDOW_COPY_CMD_CLEAR_ALWAYS,
194 WINDOW_COPY_CMD_CLEAR_NEVER,
195 WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
196 };
197
198 struct window_copy_cmd_state {
199 struct window_mode_entry *wme;
200 struct args *args;
201 struct mouse_event *m;
202
203 struct client *c;
204 struct session *s;
205 struct winlink *wl;
206 };
207
208 /*
209 * Copy mode's visible screen (the "screen" field) is filled from one of two
210 * sources: the original contents of the pane (used when we actually enter via
211 * the "copy-mode" command, to copy the contents of the current pane), or else
212 * a series of lines containing the output from an output-writing tmux command
213 * (such as any of the "show-*" or "list-*" commands).
214 *
215 * In either case, the full content of the copy-mode grid is pointed at by the
216 * "backing" field, and is copied into "screen" as needed (that is, when
217 * scrolling occurs). When copy-mode is backed by a pane, backing points
218 * directly at that pane's screen structure (&wp->base); when backed by a list
219 * of output-lines from a command, it points at a newly-allocated screen
220 * structure (which is deallocated when the mode ends).
221 */
222 struct window_copy_mode_data {
223 struct screen screen;
224
225 struct screen *backing;
226 int backing_written; /* backing display started */
227 struct screen *writing;
228 struct input_ctx *ictx;
229
230 int viewmode; /* view mode entered */
231
232 u_int oy; /* number of lines scrolled up */
233
234 u_int selx; /* beginning of selection */
235 u_int sely;
236
237 u_int endselx; /* end of selection */
238 u_int endsely;
239
240 enum {
241 CURSORDRAG_NONE, /* selection is independent of cursor */
242 CURSORDRAG_ENDSEL, /* end is synchronized with cursor */
243 CURSORDRAG_SEL, /* start is synchronized with cursor */
244 } cursordrag;
245
246 int modekeys;
247 enum {
248 LINE_SEL_NONE,
249 LINE_SEL_LEFT_RIGHT,
250 LINE_SEL_RIGHT_LEFT,
251 } lineflag; /* line selection mode */
252 int rectflag; /* in rectangle copy mode? */
253 int scroll_exit; /* exit on scroll to end? */
254 int hide_position; /* hide position marker */
255
256 enum {
257 SEL_CHAR, /* select one char at a time */
258 SEL_WORD, /* select one word at a time */
259 SEL_LINE, /* select one line at a time */
260 } selflag;
261
262 const char *separators; /* word separators */
263
264 u_int dx; /* drag start position */
265 u_int dy;
266
267 u_int selrx; /* selection reset positions */
268 u_int selry;
269 u_int endselrx;
270 u_int endselry;
271
272 u_int cx;
273 u_int cy;
274
275 u_int lastcx; /* position in last line w/ content */
276 u_int lastsx; /* size of last line w/ content */
277
278 u_int mx; /* mark position */
279 u_int my;
280 int showmark;
281
282 int searchtype;
283 int searchdirection;
284 int searchregex;
285 char *searchstr;
286 u_char *searchmark;
287 int searchcount;
288 int searchmore;
289 int searchall;
290 int searchx;
291 int searchy;
292 int searcho;
293 u_char searchgen;
294
295 int timeout; /* search has timed out */
296 #define WINDOW_COPY_SEARCH_TIMEOUT 10000
297 #define WINDOW_COPY_SEARCH_ALL_TIMEOUT 200
298 #define WINDOW_COPY_SEARCH_MAX_LINE 2000
299
300 int jumptype;
301 struct utf8_data *jumpchar;
302
303 struct event dragtimer;
304 #define WINDOW_COPY_DRAG_REPEAT_TIME 50000
305 };
306
307 static void
308 window_copy_scroll_timer(__unused int fd, __unused short events, void *arg)
309 {
310 struct window_mode_entry *wme = arg;
311 struct window_pane *wp = wme->wp;
312 struct window_copy_mode_data *data = wme->data;
313 struct timeval tv = {
314 .tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
315 };
316
317 evtimer_del(&data->dragtimer);
318
319 if (TAILQ_FIRST(&wp->modes) != wme)
320 return;
321
322 if (data->cy == 0) {
323 evtimer_add(&data->dragtimer, &tv);
324 window_copy_cursor_up(wme, 1);
325 } else if (data->cy == screen_size_y(&data->screen) - 1) {
326 evtimer_add(&data->dragtimer, &tv);
327 window_copy_cursor_down(wme, 1);
328 }
329 }
330
331 static struct screen *
332 window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
333 u_int *cy, int trim)
334 {
335 struct screen *dst;
336 const struct grid_line *gl;
337 u_int sy, wx, wy;
338 int reflow;
339
340 dst = xcalloc(1, sizeof *dst);
341
342 sy = screen_hsize(src) + screen_size_y(src);
343 if (trim) {
344 while (sy > screen_hsize(src)) {
345 gl = grid_peek_line(src->grid, sy - 1);
346 if (gl->cellused != 0)
347 break;
348 sy--;
349 }
350 }
351 log_debug("%s: target screen is %ux%u, source %ux%u", __func__,
352 screen_size_x(src), sy, screen_size_x(hint),
353 screen_hsize(src) + screen_size_y(src));
354 screen_init(dst, screen_size_x(src), sy, screen_hlimit(src));
355
356 /*
357 * Ensure history is on for the backing grid so lines are not deleted
358 * during resizing.
359 */
360 dst->grid->flags |= GRID_HISTORY;
361 grid_duplicate_lines(dst->grid, 0, src->grid, 0, sy);
362
363 dst->grid->sy = sy - screen_hsize(src);
364 dst->grid->hsize = screen_hsize(src);
365 dst->grid->hscrolled = src->grid->hscrolled;
366 if (src->cy > dst->grid->sy - 1) {
367 dst->cx = 0;
368 dst->cy = dst->grid->sy - 1;
369 } else {
370 dst->cx = src->cx;
371 dst->cy = src->cy;
372 }
373
374 if (cx != NULL && cy != NULL) {
375 *cx = dst->cx;
376 *cy = screen_hsize(dst) + dst->cy;
377 reflow = (screen_size_x(hint) != screen_size_x(dst));
378 }
379 else
380 reflow = 0;
381 if (reflow)
382 grid_wrap_position(dst->grid, *cx, *cy, &wx, &wy);
383 screen_resize_cursor(dst, screen_size_x(hint), screen_size_y(hint), 1,
384 0, 0);
385 if (reflow)
386 grid_unwrap_position(dst->grid, cx, cy, wx, wy);
387
388 return (dst);
389 }
390
391 static struct window_copy_mode_data *
392 window_copy_common_init(struct window_mode_entry *wme)
393 {
394 struct window_pane *wp = wme->wp;
395 struct window_copy_mode_data *data;
396 struct screen *base = &wp->base;
397
398 wme->data = data = xcalloc(1, sizeof *data);
399
400 data->cursordrag = CURSORDRAG_NONE;
401 data->lineflag = LINE_SEL_NONE;
402 data->selflag = SEL_CHAR;
403
404 if (wp->searchstr != NULL) {
405 data->searchtype = WINDOW_COPY_SEARCHUP;
406 data->searchregex = wp->searchregex;
407 data->searchstr = xstrdup(wp->searchstr);
408 } else {
409 data->searchtype = WINDOW_COPY_OFF;
410 data->searchregex = 0;
411 data->searchstr = NULL;
412 }
413 data->searchx = data->searchy = data->searcho = -1;
414 data->searchall = 1;
415
416 data->jumptype = WINDOW_COPY_OFF;
417 data->jumpchar = NULL;
418
419 screen_init(&data->screen, screen_size_x(base), screen_size_y(base), 0);
420 data->modekeys = options_get_number(wp->window->options, "mode-keys");
421
422 evtimer_set(&data->dragtimer, window_copy_scroll_timer, wme);
423
424 return (data);
425 }
426
427 static struct screen *
428 window_copy_init(struct window_mode_entry *wme,
429 __unused struct cmd_find_state *fs, struct args *args)
430 {
431 struct window_pane *wp = wme->swp;
432 struct window_copy_mode_data *data;
433 struct screen *base = &wp->base;
434 struct screen_write_ctx ctx;
435 u_int i, cx, cy;
436
437 data = window_copy_common_init(wme);
438 data->backing = window_copy_clone_screen(base, &data->screen, &cx, &cy,
439 wme->swp != wme->wp);
440
441 data->cx = cx;
442 if (cy < screen_hsize(data->backing)) {
443 data->cy = 0;
444 data->oy = screen_hsize(data->backing) - cy;
445 } else {
446 data->cy = cy - screen_hsize(data->backing);
447 data->oy = 0;
448 }
449
450 data->scroll_exit = args_has(args, 'e');
451 data->hide_position = args_has(args, 'H');
452
453 data->screen.cx = data->cx;
454 data->screen.cy = data->cy;
455 data->mx = data->cx;
456 data->my = screen_hsize(data->backing) + data->cy - data->oy;
457 data->showmark = 0;
458
459 screen_write_start(&ctx, &data->screen);
460 for (i = 0; i < screen_size_y(&data->screen); i++)
461 window_copy_write_line(wme, &ctx, i);
462 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
463 screen_write_stop(&ctx);
464
465 return (&data->screen);
466 }
467
468 static struct screen *
469 window_copy_view_init(struct window_mode_entry *wme,
470 __unused struct cmd_find_state *fs, __unused struct args *args)
471 {
472 struct window_pane *wp = wme->wp;
473 struct window_copy_mode_data *data;
474 struct screen *base = &wp->base;
475 u_int sx = screen_size_x(base);
476
477 data = window_copy_common_init(wme);
478 data->viewmode = 1;
479
480 data->backing = xmalloc(sizeof *data->backing);
481 screen_init(data->backing, sx, screen_size_y(base), UINT_MAX);
482 data->writing = xmalloc(sizeof *data->writing);
483 screen_init(data->writing, sx, screen_size_y(base), 0);
484 data->ictx = input_init(NULL, NULL, NULL);
485 data->mx = data->cx;
486 data->my = screen_hsize(data->backing) + data->cy - data->oy;
487 data->showmark = 0;
488
489 return (&data->screen);
490 }
491
492 static void
493 window_copy_free(struct window_mode_entry *wme)
494 {
495 struct window_copy_mode_data *data = wme->data;
496
497 evtimer_del(&data->dragtimer);
498
499 free(data->searchmark);
500 free(data->searchstr);
501 free(data->jumpchar);
502
503 if (data->writing != NULL) {
504 screen_free(data->writing);
505 free(data->writing);
506 }
507 if (data->ictx != NULL)
508 input_free(data->ictx);
509 screen_free(data->backing);
510 free(data->backing);
511
512 screen_free(&data->screen);
513 free(data);
514 }
515
516 void
517 window_copy_add(struct window_pane *wp, int parse, const char *fmt, ...)
518 {
519 va_list ap;
520
521 va_start(ap, fmt);
522 window_copy_vadd(wp, parse, fmt, ap);
523 va_end(ap);
524 }
525
526 static void
527 window_copy_init_ctx_cb(__unused struct screen_write_ctx *ctx,
528 struct tty_ctx *ttyctx)
529 {
530 memcpy(&ttyctx->defaults, &grid_default_cell, sizeof ttyctx->defaults);
531 ttyctx->palette = NULL;
532 ttyctx->redraw_cb = NULL;
533 ttyctx->set_client_cb = NULL;
534 ttyctx->arg = NULL;
535 }
536
537 void
538 window_copy_vadd(struct window_pane *wp, int parse, const char *fmt, va_list ap)
539 {
540 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
541 struct window_copy_mode_data *data = wme->data;
542 struct screen *backing = data->backing;
543 struct screen *writing = data->writing;
544 struct screen_write_ctx writing_ctx, backing_ctx, ctx;
545 struct grid_cell gc;
546 u_int old_hsize, old_cy;
547 u_int sx = screen_size_x(backing);
548 char *text;
549
550 if (parse) {
551 vasprintf(&text, fmt, ap);
552 screen_write_start(&writing_ctx, writing);
553 screen_write_reset(&writing_ctx);
554 input_parse_screen(data->ictx, writing, window_copy_init_ctx_cb,
555 data, text, strlen(text));
556 free(text);
557 }
558
559 old_hsize = screen_hsize(data->backing);
560 screen_write_start(&backing_ctx, backing);
561 if (data->backing_written) {
562 /*
563 * On the second or later line, do a CRLF before writing
564 * (so it's on a new line).
565 */
566 screen_write_carriagereturn(&backing_ctx);
567 screen_write_linefeed(&backing_ctx, 0, 8);
568 } else
569 data->backing_written = 1;
570 old_cy = backing->cy;
571 if (parse)
572 screen_write_fast_copy(&backing_ctx, writing, 0, 0, sx, 1);
573 else {
574 memcpy(&gc, &grid_default_cell, sizeof gc);
575 screen_write_vnputs(&backing_ctx, 0, &gc, fmt, ap);
576 }
577 screen_write_stop(&backing_ctx);
578
579 data->oy += screen_hsize(data->backing) - old_hsize;
580
581 screen_write_start_pane(&ctx, wp, &data->screen);
582
583 /*
584 * If the history has changed, draw the top line.
585 * (If there's any history at all, it has changed.)
586 */
587 if (screen_hsize(data->backing))
588 window_copy_redraw_lines(wme, 0, 1);
589
590 /* Write the new lines. */
591 window_copy_redraw_lines(wme, old_cy, backing->cy - old_cy + 1);
592
593 screen_write_stop(&ctx);
594 }
595
596 void
597 window_copy_pageup(struct window_pane *wp, int half_page)
598 {
599 window_copy_pageup1(TAILQ_FIRST(&wp->modes), half_page);
600 }
601
602 static void
603 window_copy_pageup1(struct window_mode_entry *wme, int half_page)
604 {
605 struct window_copy_mode_data *data = wme->data;
606 struct screen *s = &data->screen;
607 u_int n, ox, oy, px, py;
608
609 oy = screen_hsize(data->backing) + data->cy - data->oy;
610 ox = window_copy_find_length(wme, oy);
611
612 if (data->cx != ox) {
613 data->lastcx = data->cx;
614 data->lastsx = ox;
615 }
616 data->cx = data->lastcx;
617
618 n = 1;
619 if (screen_size_y(s) > 2) {
620 if (half_page)
621 n = screen_size_y(s) / 2;
622 else
623 n = screen_size_y(s) - 2;
624 }
625
626 if (data->oy + n > screen_hsize(data->backing)) {
627 data->oy = screen_hsize(data->backing);
628 if (data->cy < n)
629 data->cy = 0;
630 else
631 data->cy -= n;
632 } else
633 data->oy += n;
634
635 if (data->screen.sel == NULL || !data->rectflag) {
636 py = screen_hsize(data->backing) + data->cy - data->oy;
637 px = window_copy_find_length(wme, py);
638 if ((data->cx >= data->lastsx && data->cx != px) ||
639 data->cx > px)
640 window_copy_cursor_end_of_line(wme);
641 }
642
643 if (data->searchmark != NULL && !data->timeout)
644 window_copy_search_marks(wme, NULL, data->searchregex, 1);
645 window_copy_update_selection(wme, 1, 0);
646 window_copy_redraw_screen(wme);
647 }
648
649 static int
650 window_copy_pagedown(struct window_mode_entry *wme, int half_page,
651 int scroll_exit)
652 {
653 struct window_copy_mode_data *data = wme->data;
654 struct screen *s = &data->screen;
655 u_int n, ox, oy, px, py;
656
657 oy = screen_hsize(data->backing) + data->cy - data->oy;
658 ox = window_copy_find_length(wme, oy);
659
660 if (data->cx != ox) {
661 data->lastcx = data->cx;
662 data->lastsx = ox;
663 }
664 data->cx = data->lastcx;
665
666 n = 1;
667 if (screen_size_y(s) > 2) {
668 if (half_page)
669 n = screen_size_y(s) / 2;
670 else
671 n = screen_size_y(s) - 2;
672 }
673
674 if (data->oy < n) {
675 data->oy = 0;
676 if (data->cy + (n - data->oy) >= screen_size_y(data->backing))
677 data->cy = screen_size_y(data->backing) - 1;
678 else
679 data->cy += n - data->oy;
680 } else
681 data->oy -= n;
682
683 if (data->screen.sel == NULL || !data->rectflag) {
684 py = screen_hsize(data->backing) + data->cy - data->oy;
685 px = window_copy_find_length(wme, py);
686 if ((data->cx >= data->lastsx && data->cx != px) ||
687 data->cx > px)
688 window_copy_cursor_end_of_line(wme);
689 }
690
691 if (scroll_exit && data->oy == 0)
692 return (1);
693 if (data->searchmark != NULL && !data->timeout)
694 window_copy_search_marks(wme, NULL, data->searchregex, 1);
695 window_copy_update_selection(wme, 1, 0);
696 window_copy_redraw_screen(wme);
697 return (0);
698 }
699
700 static void
701 window_copy_previous_paragraph(struct window_mode_entry *wme)
702 {
703 struct window_copy_mode_data *data = wme->data;
704 u_int oy;
705
706 oy = screen_hsize(data->backing) + data->cy - data->oy;
707
708 while (oy > 0 && window_copy_find_length(wme, oy) == 0)
709 oy--;
710
711 while (oy > 0 && window_copy_find_length(wme, oy) > 0)
712 oy--;
713
714 window_copy_scroll_to(wme, 0, oy, 0);
715 }
716
717 static void
718 window_copy_next_paragraph(struct window_mode_entry *wme)
719 {
720 struct window_copy_mode_data *data = wme->data;
721 struct screen *s = &data->screen;
722 u_int maxy, ox, oy;
723
724 oy = screen_hsize(data->backing) + data->cy - data->oy;
725 maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
726
727 while (oy < maxy && window_copy_find_length(wme, oy) == 0)
728 oy++;
729
730 while (oy < maxy && window_copy_find_length(wme, oy) > 0)
731 oy++;
732
733 ox = window_copy_find_length(wme, oy);
734 window_copy_scroll_to(wme, ox, oy, 0);
735 }
736
737 char *
738 window_copy_get_word(struct window_pane *wp, u_int x, u_int y)
739 {
740 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
741 struct window_copy_mode_data *data = wme->data;
742 struct grid *gd = data->screen.grid;
743
744 return (format_grid_word(gd, x, gd->hsize + y));
745 }
746
747 char *
748 window_copy_get_line(struct window_pane *wp, u_int y)
749 {
750 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
751 struct window_copy_mode_data *data = wme->data;
752 struct grid *gd = data->screen.grid;
753
754 return (format_grid_line(gd, gd->hsize + y));
755 }
756
757 static void *
758 window_copy_cursor_word_cb(struct format_tree *ft)
759 {
760 struct window_pane *wp = format_get_pane(ft);
761 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
762 struct window_copy_mode_data *data = wme->data;
763
764 return (window_copy_get_word(wp, data->cx, data->cy));
765 }
766
767 static void *
768 window_copy_cursor_line_cb(struct format_tree *ft)
769 {
770 struct window_pane *wp = format_get_pane(ft);
771 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
772 struct window_copy_mode_data *data = wme->data;
773
774 return (window_copy_get_line(wp, data->cy));
775 }
776
777 static void *
778 window_copy_search_match_cb(struct format_tree *ft)
779 {
780 struct window_pane *wp = format_get_pane(ft);
781 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
782 struct window_copy_mode_data *data = wme->data;
783
784 return (window_copy_match_at_cursor(data));
785 }
786
787 static void
788 window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
789 {
790 struct window_copy_mode_data *data = wme->data;
791
792 format_add(ft, "scroll_position", "%d", data->oy);
793 format_add(ft, "rectangle_toggle", "%d", data->rectflag);
794
795 format_add(ft, "copy_cursor_x", "%d", data->cx);
796 format_add(ft, "copy_cursor_y", "%d", data->cy);
797
798 format_add(ft, "selection_present", "%d", data->screen.sel != NULL);
799 if (data->screen.sel != NULL) {
800 format_add(ft, "selection_start_x", "%d", data->selx);
801 format_add(ft, "selection_start_y", "%d", data->sely);
802 format_add(ft, "selection_end_x", "%d", data->endselx);
803 format_add(ft, "selection_end_y", "%d", data->endsely);
804 format_add(ft, "selection_active", "%d",
805 data->cursordrag != CURSORDRAG_NONE);
806 } else
807 format_add(ft, "selection_active", "%d", 0);
808
809 format_add(ft, "search_present", "%d", data->searchmark != NULL);
810 format_add_cb(ft, "search_match", window_copy_search_match_cb);
811
812 format_add_cb(ft, "copy_cursor_word", window_copy_cursor_word_cb);
813 format_add_cb(ft, "copy_cursor_line", window_copy_cursor_line_cb);
814 }
815
816 static void
817 window_copy_size_changed(struct window_mode_entry *wme)
818 {
819 struct window_copy_mode_data *data = wme->data;
820 struct screen *s = &data->screen;
821 struct screen_write_ctx ctx;
822 int search = (data->searchmark != NULL);
823
824 window_copy_clear_selection(wme);
825 window_copy_clear_marks(wme);
826
827 screen_write_start(&ctx, s);
828 window_copy_write_lines(wme, &ctx, 0, screen_size_y(s));
829 screen_write_stop(&ctx);
830
831 if (search && !data->timeout)
832 window_copy_search_marks(wme, NULL, data->searchregex, 0);
833 data->searchx = data->cx;
834 data->searchy = data->cy;
835 data->searcho = data->oy;
836 }
837
838 static void
839 window_copy_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
840 {
841 struct window_copy_mode_data *data = wme->data;
842 struct screen *s = &data->screen;
843 struct grid *gd = data->backing->grid;
844 u_int cx, cy, wx, wy;
845 int reflow;
846
847 screen_resize(s, sx, sy, 0);
848 cx = data->cx;
849 cy = gd->hsize + data->cy - data->oy;
850 reflow = (gd->sx != sx);
851 if (reflow)
852 grid_wrap_position(gd, cx, cy, &wx, &wy);
853 screen_resize_cursor(data->backing, sx, sy, 1, 0, 0);
854 if (reflow)
855 grid_unwrap_position(gd, &cx, &cy, wx, wy);
856
857 data->cx = cx;
858 if (cy < gd->hsize) {
859 data->cy = 0;
860 data->oy = gd->hsize - cy;
861 } else {
862 data->cy = cy - gd->hsize;
863 data->oy = 0;
864 }
865
866 window_copy_size_changed(wme);
867 window_copy_redraw_screen(wme);
868 }
869
870 static const char *
871 window_copy_key_table(struct window_mode_entry *wme)
872 {
873 struct window_pane *wp = wme->wp;
874
875 if (options_get_number(wp->window->options, "mode-keys") == MODEKEY_VI)
876 return ("copy-mode-vi");
877 return ("copy-mode");
878 }
879
880 static int
881 window_copy_expand_search_string(struct window_copy_cmd_state *cs)
882 {
883 struct window_mode_entry *wme = cs->wme;
884 struct window_copy_mode_data *data = wme->data;
885 const char *ss = args_string(cs->args, 1);
886 char *expanded;
887
888 if (ss == NULL || *ss == '\0')
889 return (0);
890
891 if (args_has(cs->args, 'F')) {
892 expanded = format_single(NULL, ss, NULL, NULL, NULL, wme->wp);
893 if (*expanded == '\0') {
894 free(expanded);
895 return (0);
896 }
897 free(data->searchstr);
898 data->searchstr = expanded;
899 } else {
900 free(data->searchstr);
901 data->searchstr = xstrdup(ss);
902 }
903 return (1);
904 }
905
906 static enum window_copy_cmd_action
907 window_copy_cmd_append_selection(struct window_copy_cmd_state *cs)
908 {
909 struct window_mode_entry *wme = cs->wme;
910 struct session *s = cs->s;
911
912 if (s != NULL)
913 window_copy_append_selection(wme);
914 window_copy_clear_selection(wme);
915 return (WINDOW_COPY_CMD_REDRAW);
916 }
917
918 static enum window_copy_cmd_action
919 window_copy_cmd_append_selection_and_cancel(struct window_copy_cmd_state *cs)
920 {
921 struct window_mode_entry *wme = cs->wme;
922 struct session *s = cs->s;
923
924 if (s != NULL)
925 window_copy_append_selection(wme);
926 window_copy_clear_selection(wme);
927 return (WINDOW_COPY_CMD_CANCEL);
928 }
929
930 static enum window_copy_cmd_action
931 window_copy_cmd_back_to_indentation(struct window_copy_cmd_state *cs)
932 {
933 struct window_mode_entry *wme = cs->wme;
934
935 window_copy_cursor_back_to_indentation(wme);
936 return (WINDOW_COPY_CMD_NOTHING);
937 }
938
939 static enum window_copy_cmd_action
940 window_copy_cmd_begin_selection(struct window_copy_cmd_state *cs)
941 {
942 struct window_mode_entry *wme = cs->wme;
943 struct client *c = cs->c;
944 struct mouse_event *m = cs->m;
945 struct window_copy_mode_data *data = wme->data;
946
947 if (m != NULL) {
948 window_copy_start_drag(c, m);
949 return (WINDOW_COPY_CMD_NOTHING);
950 }
951
952 data->lineflag = LINE_SEL_NONE;
953 data->selflag = SEL_CHAR;
954 window_copy_start_selection(wme);
955 return (WINDOW_COPY_CMD_REDRAW);
956 }
957
958 static enum window_copy_cmd_action
959 window_copy_cmd_stop_selection(struct window_copy_cmd_state *cs)
960 {
961 struct window_mode_entry *wme = cs->wme;
962 struct window_copy_mode_data *data = wme->data;
963
964 data->cursordrag = CURSORDRAG_NONE;
965 data->lineflag = LINE_SEL_NONE;
966 data->selflag = SEL_CHAR;
967 return (WINDOW_COPY_CMD_NOTHING);
968 }
969
970 static enum window_copy_cmd_action
971 window_copy_cmd_bottom_line(struct window_copy_cmd_state *cs)
972 {
973 struct window_mode_entry *wme = cs->wme;
974 struct window_copy_mode_data *data = wme->data;
975
976 data->cx = 0;
977 data->cy = screen_size_y(&data->screen) - 1;
978
979 window_copy_update_selection(wme, 1, 0);
980 return (WINDOW_COPY_CMD_REDRAW);
981 }
982
983 static enum window_copy_cmd_action
984 window_copy_cmd_cancel(__unused struct window_copy_cmd_state *cs)
985 {
986 return (WINDOW_COPY_CMD_CANCEL);
987 }
988
989 static enum window_copy_cmd_action
990 window_copy_cmd_clear_selection(struct window_copy_cmd_state *cs)
991 {
992 struct window_mode_entry *wme = cs->wme;
993
994 window_copy_clear_selection(wme);
995 return (WINDOW_COPY_CMD_REDRAW);
996 }
997
998 static enum window_copy_cmd_action
999 window_copy_do_copy_end_of_line(struct window_copy_cmd_state *cs, int pipe,
1000 int cancel)
1001 {
1002 struct window_mode_entry *wme = cs->wme;
1003 struct client *c = cs->c;
1004 struct session *s = cs->s;
1005 struct winlink *wl = cs->wl;
1006 struct window_pane *wp = wme->wp;
1007 u_int count = args_count(cs->args);
1008 u_int np = wme->prefix, ocx, ocy, ooy;
1009 struct window_copy_mode_data *data = wme->data;
1010 char *prefix = NULL, *command = NULL;
1011 const char *arg1 = args_string(cs->args, 1);
1012 const char *arg2 = args_string(cs->args, 2);
1013
1014 if (pipe) {
1015 if (count == 3)
1016 prefix = format_single(NULL, arg2, c, s, wl, wp);
1017 if (s != NULL && count > 1 && *arg1 != '\0')
1018 command = format_single(NULL, arg1, c, s, wl, wp);
1019 } else {
1020 if (count == 2)
1021 prefix = format_single(NULL, arg1, c, s, wl, wp);
1022 }
1023
1024 ocx = data->cx;
1025 ocy = data->cy;
1026 ooy = data->oy;
1027
1028 window_copy_start_selection(wme);
1029 for (; np > 1; np--)
1030 window_copy_cursor_down(wme, 0);
1031 window_copy_cursor_end_of_line(wme);
1032
1033 if (s != NULL) {
1034 if (pipe)
1035 window_copy_copy_pipe(wme, s, prefix, command);
1036 else
1037 window_copy_copy_selection(wme, prefix);
1038
1039 if (cancel) {
1040 free(prefix);
1041 free(command);
1042 return (WINDOW_COPY_CMD_CANCEL);
1043 }
1044 }
1045 window_copy_clear_selection(wme);
1046
1047 data->cx = ocx;
1048 data->cy = ocy;
1049 data->oy = ooy;
1050
1051 free(prefix);
1052 free(command);
1053 return (WINDOW_COPY_CMD_REDRAW);
1054 }
1055
1056 static enum window_copy_cmd_action
1057 window_copy_cmd_copy_end_of_line(struct window_copy_cmd_state *cs)
1058 {
1059 return (window_copy_do_copy_end_of_line(cs, 0, 0));
1060 }
1061
1062 static enum window_copy_cmd_action
1063 window_copy_cmd_copy_end_of_line_and_cancel(struct window_copy_cmd_state *cs)
1064 {
1065 return (window_copy_do_copy_end_of_line(cs, 0, 1));
1066 }
1067
1068 static enum window_copy_cmd_action
1069 window_copy_cmd_copy_pipe_end_of_line(struct window_copy_cmd_state *cs)
1070 {
1071 return (window_copy_do_copy_end_of_line(cs, 1, 0));
1072 }
1073
1074 static enum window_copy_cmd_action
1075 window_copy_cmd_copy_pipe_end_of_line_and_cancel(
1076 struct window_copy_cmd_state *cs)
1077 {
1078 return (window_copy_do_copy_end_of_line(cs, 1, 1));
1079 }
1080
1081 static enum window_copy_cmd_action
1082 window_copy_do_copy_line(struct window_copy_cmd_state *cs, int pipe, int cancel)
1083 {
1084 struct window_mode_entry *wme = cs->wme;
1085 struct client *c = cs->c;
1086 struct session *s = cs->s;
1087 struct winlink *wl = cs->wl;
1088 struct window_pane *wp = wme->wp;
1089 struct window_copy_mode_data *data = wme->data;
1090 u_int count = args_count(cs->args);
1091 u_int np = wme->prefix, ocx, ocy, ooy;
1092 char *prefix = NULL, *command = NULL;
1093 const char *arg1 = args_string(cs->args, 1);
1094 const char *arg2 = args_string(cs->args, 2);
1095
1096 if (pipe) {
1097 if (count == 3)
1098 prefix = format_single(NULL, arg2, c, s, wl, wp);
1099 if (s != NULL && count > 1 && *arg1 != '\0')
1100 command = format_single(NULL, arg1, c, s, wl, wp);
1101 } else {
1102 if (count == 2)
1103 prefix = format_single(NULL, arg1, c, s, wl, wp);
1104 }
1105
1106 ocx = data->cx;
1107 ocy = data->cy;
1108 ooy = data->oy;
1109
1110 data->selflag = SEL_CHAR;
1111 window_copy_cursor_start_of_line(wme);
1112 window_copy_start_selection(wme);
1113 for (; np > 1; np--)
1114 window_copy_cursor_down(wme, 0);
1115 window_copy_cursor_end_of_line(wme);
1116
1117 if (s != NULL) {
1118 if (pipe)
1119 window_copy_copy_pipe(wme, s, prefix, command);
1120 else
1121 window_copy_copy_selection(wme, prefix);
1122
1123 if (cancel) {
1124 free(prefix);
1125 free(command);
1126 return (WINDOW_COPY_CMD_CANCEL);
1127 }
1128 }
1129 window_copy_clear_selection(wme);
1130
1131 data->cx = ocx;
1132 data->cy = ocy;
1133 data->oy = ooy;
1134
1135 free(prefix);
1136 free(command);
1137 return (WINDOW_COPY_CMD_REDRAW);
1138 }
1139
1140 static enum window_copy_cmd_action
1141 window_copy_cmd_copy_line(struct window_copy_cmd_state *cs)
1142 {
1143 return (window_copy_do_copy_line(cs, 0, 0));
1144 }
1145
1146 static enum window_copy_cmd_action
1147 window_copy_cmd_copy_line_and_cancel(struct window_copy_cmd_state *cs)
1148 {
1149 return (window_copy_do_copy_line(cs, 0, 1));
1150 }
1151
1152 static enum window_copy_cmd_action
1153 window_copy_cmd_copy_pipe_line(struct window_copy_cmd_state *cs)
1154 {
1155 return (window_copy_do_copy_line(cs, 1, 0));
1156 }
1157
1158 static enum window_copy_cmd_action
1159 window_copy_cmd_copy_pipe_line_and_cancel(struct window_copy_cmd_state *cs)
1160 {
1161 return (window_copy_do_copy_line(cs, 1, 1));
1162 }
1163
1164 static enum window_copy_cmd_action
1165 window_copy_cmd_copy_selection_no_clear(struct window_copy_cmd_state *cs)
1166 {
1167 struct window_mode_entry *wme = cs->wme;
1168 struct client *c = cs->c;
1169 struct session *s = cs->s;
1170 struct winlink *wl = cs->wl;
1171 struct window_pane *wp = wme->wp;
1172 char *prefix = NULL;
1173 const char *arg1 = args_string(cs->args, 1);
1174
1175 if (arg1 != NULL)
1176 prefix = format_single(NULL, arg1, c, s, wl, wp);
1177
1178 if (s != NULL)
1179 window_copy_copy_selection(wme, prefix);
1180
1181 free(prefix);
1182 return (WINDOW_COPY_CMD_NOTHING);
1183 }
1184
1185 static enum window_copy_cmd_action
1186 window_copy_cmd_copy_selection(struct window_copy_cmd_state *cs)
1187 {
1188 struct window_mode_entry *wme = cs->wme;
1189
1190 window_copy_cmd_copy_selection_no_clear(cs);
1191 window_copy_clear_selection(wme);
1192 return (WINDOW_COPY_CMD_REDRAW);
1193 }
1194
1195 static enum window_copy_cmd_action
1196 window_copy_cmd_copy_selection_and_cancel(struct window_copy_cmd_state *cs)
1197 {
1198 struct window_mode_entry *wme = cs->wme;
1199
1200 window_copy_cmd_copy_selection_no_clear(cs);
1201 window_copy_clear_selection(wme);
1202 return (WINDOW_COPY_CMD_CANCEL);
1203 }
1204
1205 static enum window_copy_cmd_action
1206 window_copy_cmd_cursor_down(struct window_copy_cmd_state *cs)
1207 {
1208 struct window_mode_entry *wme = cs->wme;
1209 u_int np = wme->prefix;
1210
1211 for (; np != 0; np--)
1212 window_copy_cursor_down(wme, 0);
1213 return (WINDOW_COPY_CMD_NOTHING);
1214 }
1215
1216 static enum window_copy_cmd_action
1217 window_copy_cmd_cursor_down_and_cancel(struct window_copy_cmd_state *cs)
1218 {
1219 struct window_mode_entry *wme = cs->wme;
1220 struct window_copy_mode_data *data = wme->data;
1221 u_int np = wme->prefix, cy;
1222
1223 cy = data->cy;
1224 for (; np != 0; np--)
1225 window_copy_cursor_down(wme, 0);
1226 if (cy == data->cy && data->oy == 0)
1227 return (WINDOW_COPY_CMD_CANCEL);
1228 return (WINDOW_COPY_CMD_NOTHING);
1229 }
1230
1231 static enum window_copy_cmd_action
1232 window_copy_cmd_cursor_left(struct window_copy_cmd_state *cs)
1233 {
1234 struct window_mode_entry *wme = cs->wme;
1235 u_int np = wme->prefix;
1236
1237 for (; np != 0; np--)
1238 window_copy_cursor_left(wme);
1239 return (WINDOW_COPY_CMD_NOTHING);
1240 }
1241
1242 static enum window_copy_cmd_action
1243 window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs)
1244 {
1245 struct window_mode_entry *wme = cs->wme;
1246 struct window_copy_mode_data *data = wme->data;
1247 u_int np = wme->prefix;
1248
1249 for (; np != 0; np--) {
1250 window_copy_cursor_right(wme, data->screen.sel != NULL &&
1251 data->rectflag);
1252 }
1253 return (WINDOW_COPY_CMD_NOTHING);
1254 }
1255
1256 /* Scroll line containing the cursor to the given position. */
1257 static enum window_copy_cmd_action
1258 window_copy_cmd_scroll_to(struct window_copy_cmd_state *cs, u_int to)
1259 {
1260 struct window_mode_entry *wme = cs->wme;
1261 struct window_copy_mode_data *data = wme->data;
1262 u_int oy, delta;
1263 int scroll_up; /* >0 up, <0 down */
1264
1265 scroll_up = data->cy - to;
1266 delta = abs(scroll_up);
1267 oy = screen_hsize(data->backing) - data->oy;
1268
1269 /*
1270 * oy is the maximum scroll down amount, while data->oy is the maximum
1271 * scroll up amount.
1272 */
1273 if (scroll_up > 0 && data->oy >= delta) {
1274 window_copy_scroll_up(wme, delta);
1275 data->cy -= delta;
1276 } else if (scroll_up < 0 && oy >= delta) {
1277 window_copy_scroll_down(wme, delta);
1278 data->cy += delta;
1279 }
1280
1281 window_copy_update_selection(wme, 0, 0);
1282 return (WINDOW_COPY_CMD_REDRAW);
1283 }
1284
1285 /* Scroll line containing the cursor to the bottom. */
1286 static enum window_copy_cmd_action
1287 window_copy_cmd_scroll_bottom(struct window_copy_cmd_state *cs)
1288 {
1289 struct window_copy_mode_data *data = cs->wme->data;
1290 u_int bottom;
1291
1292 bottom = screen_size_y(&data->screen) - 1;
1293 return (window_copy_cmd_scroll_to(cs, bottom));
1294 }
1295
1296 /* Scroll line containing the cursor to the middle. */
1297 static enum window_copy_cmd_action
1298 window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs)
1299 {
1300 struct window_copy_mode_data *data = cs->wme->data;
1301 u_int mid_value;
1302
1303 mid_value = (screen_size_y(&data->screen) - 1) / 2;
1304 return (window_copy_cmd_scroll_to(cs, mid_value));
1305 }
1306
1307 /* Scroll line containing the cursor to the top. */
1308 static enum window_copy_cmd_action
1309 window_copy_cmd_scroll_top(struct window_copy_cmd_state *cs)
1310 {
1311 return (window_copy_cmd_scroll_to(cs, 0));
1312 }
1313
1314 static enum window_copy_cmd_action
1315 window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs)
1316 {
1317 struct window_mode_entry *wme = cs->wme;
1318 u_int np = wme->prefix;
1319
1320 for (; np != 0; np--)
1321 window_copy_cursor_up(wme, 0);
1322 return (WINDOW_COPY_CMD_NOTHING);
1323 }
1324
1325 static enum window_copy_cmd_action
1326 window_copy_cmd_end_of_line(struct window_copy_cmd_state *cs)
1327 {
1328 struct window_mode_entry *wme = cs->wme;
1329
1330 window_copy_cursor_end_of_line(wme);
1331 return (WINDOW_COPY_CMD_NOTHING);
1332 }
1333
1334 static enum window_copy_cmd_action
1335 window_copy_cmd_halfpage_down(struct window_copy_cmd_state *cs)
1336 {
1337 struct window_mode_entry *wme = cs->wme;
1338 struct window_copy_mode_data *data = wme->data;
1339 u_int np = wme->prefix;
1340
1341 for (; np != 0; np--) {
1342 if (window_copy_pagedown(wme, 1, data->scroll_exit))
1343 return (WINDOW_COPY_CMD_CANCEL);
1344 }
1345 return (WINDOW_COPY_CMD_NOTHING);
1346 }
1347
1348 static enum window_copy_cmd_action
1349 window_copy_cmd_halfpage_down_and_cancel(struct window_copy_cmd_state *cs)
1350 {
1351
1352 struct window_mode_entry *wme = cs->wme;
1353 u_int np = wme->prefix;
1354
1355 for (; np != 0; np--) {
1356 if (window_copy_pagedown(wme, 1, 1))
1357 return (WINDOW_COPY_CMD_CANCEL);
1358 }
1359 return (WINDOW_COPY_CMD_NOTHING);
1360 }
1361
1362 static enum window_copy_cmd_action
1363 window_copy_cmd_halfpage_up(struct window_copy_cmd_state *cs)
1364 {
1365 struct window_mode_entry *wme = cs->wme;
1366 u_int np = wme->prefix;
1367
1368 for (; np != 0; np--)
1369 window_copy_pageup1(wme, 1);
1370 return (WINDOW_COPY_CMD_NOTHING);
1371 }
1372
1373 static enum window_copy_cmd_action
1374 window_copy_cmd_toggle_position(struct window_copy_cmd_state *cs)
1375 {
1376 struct window_mode_entry *wme = cs->wme;
1377 struct window_copy_mode_data *data = wme->data;
1378
1379 data->hide_position = !data->hide_position;
1380 return (WINDOW_COPY_CMD_REDRAW);
1381 }
1382
1383 static enum window_copy_cmd_action
1384 window_copy_cmd_history_bottom(struct window_copy_cmd_state *cs)
1385 {
1386 struct window_mode_entry *wme = cs->wme;
1387 struct window_copy_mode_data *data = wme->data;
1388 struct screen *s = data->backing;
1389 u_int oy;
1390
1391 oy = screen_hsize(s) + data->cy - data->oy;
1392 if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
1393 window_copy_other_end(wme);
1394
1395 data->cy = screen_size_y(&data->screen) - 1;
1396 data->cx = window_copy_find_length(wme, screen_hsize(s) + data->cy);
1397 data->oy = 0;
1398
1399 if (data->searchmark != NULL && !data->timeout)
1400 window_copy_search_marks(wme, NULL, data->searchregex, 1);
1401 window_copy_update_selection(wme, 1, 0);
1402 return (WINDOW_COPY_CMD_REDRAW);
1403 }
1404
1405 static enum window_copy_cmd_action
1406 window_copy_cmd_history_top(struct window_copy_cmd_state *cs)
1407 {
1408 struct window_mode_entry *wme = cs->wme;
1409 struct window_copy_mode_data *data = wme->data;
1410 u_int oy;
1411
1412 oy = screen_hsize(data->backing) + data->cy - data->oy;
1413 if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
1414 window_copy_other_end(wme);
1415
1416 data->cy = 0;
1417 data->cx = 0;
1418 data->oy = screen_hsize(data->backing);
1419
1420 if (data->searchmark != NULL && !data->timeout)
1421 window_copy_search_marks(wme, NULL, data->searchregex, 1);
1422 window_copy_update_selection(wme, 1, 0);
1423 return (WINDOW_COPY_CMD_REDRAW);
1424 }
1425
1426 static enum window_copy_cmd_action
1427 window_copy_cmd_jump_again(struct window_copy_cmd_state *cs)
1428 {
1429 struct window_mode_entry *wme = cs->wme;
1430 struct window_copy_mode_data *data = wme->data;
1431 u_int np = wme->prefix;
1432
1433 switch (data->jumptype) {
1434 case WINDOW_COPY_JUMPFORWARD:
1435 for (; np != 0; np--)
1436 window_copy_cursor_jump(wme);
1437 break;
1438 case WINDOW_COPY_JUMPBACKWARD:
1439 for (; np != 0; np--)
1440 window_copy_cursor_jump_back(wme);
1441 break;
1442 case WINDOW_COPY_JUMPTOFORWARD:
1443 for (; np != 0; np--)
1444 window_copy_cursor_jump_to(wme);
1445 break;
1446 case WINDOW_COPY_JUMPTOBACKWARD:
1447 for (; np != 0; np--)
1448 window_copy_cursor_jump_to_back(wme);
1449 break;
1450 }
1451 return (WINDOW_COPY_CMD_NOTHING);
1452 }
1453
1454 static enum window_copy_cmd_action
1455 window_copy_cmd_jump_reverse(struct window_copy_cmd_state *cs)
1456 {
1457 struct window_mode_entry *wme = cs->wme;
1458 struct window_copy_mode_data *data = wme->data;
1459 u_int np = wme->prefix;
1460
1461 switch (data->jumptype) {
1462 case WINDOW_COPY_JUMPFORWARD:
1463 for (; np != 0; np--)
1464 window_copy_cursor_jump_back(wme);
1465 break;
1466 case WINDOW_COPY_JUMPBACKWARD:
1467 for (; np != 0; np--)
1468 window_copy_cursor_jump(wme);
1469 break;
1470 case WINDOW_COPY_JUMPTOFORWARD:
1471 for (; np != 0; np--)
1472 window_copy_cursor_jump_to_back(wme);
1473 break;
1474 case WINDOW_COPY_JUMPTOBACKWARD:
1475 for (; np != 0; np--)
1476 window_copy_cursor_jump_to(wme);
1477 break;
1478 }
1479 return (WINDOW_COPY_CMD_NOTHING);
1480 }
1481
1482 static enum window_copy_cmd_action
1483 window_copy_cmd_middle_line(struct window_copy_cmd_state *cs)
1484 {
1485 struct window_mode_entry *wme = cs->wme;
1486 struct window_copy_mode_data *data = wme->data;
1487
1488 data->cx = 0;
1489 data->cy = (screen_size_y(&data->screen) - 1) / 2;
1490
1491 window_copy_update_selection(wme, 1, 0);
1492 return (WINDOW_COPY_CMD_REDRAW);
1493 }
1494
1495 static enum window_copy_cmd_action
1496 window_copy_cmd_previous_matching_bracket(struct window_copy_cmd_state *cs)
1497 {
1498 struct window_mode_entry *wme = cs->wme;
1499 u_int np = wme->prefix;
1500 struct window_copy_mode_data *data = wme->data;
1501 struct screen *s = data->backing;
1502 char open[] = "{[(", close[] = "}])";
1503 char tried, found, start, *cp;
1504 u_int px, py, xx, n;
1505 struct grid_cell gc;
1506 int failed;
1507
1508 for (; np != 0; np--) {
1509 /* Get cursor position and line length. */
1510 px = data->cx;
1511 py = screen_hsize(s) + data->cy - data->oy;
1512 xx = window_copy_find_length(wme, py);
1513 if (xx == 0)
1514 break;
1515
1516 /*
1517 * Get the current character. If not on a bracket, try the
1518 * previous. If still not, then behave like previous-word.
1519 */
1520 tried = 0;
1521 retry:
1522 grid_get_cell(s->grid, px, py, &gc);
1523 if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
1524 cp = NULL;
1525 else {
1526 found = *gc.data.data;
1527 cp = strchr(close, found);
1528 }
1529 if (cp == NULL) {
1530 if (data->modekeys == MODEKEY_EMACS) {
1531 if (!tried && px > 0) {
1532 px--;
1533 tried = 1;
1534 goto retry;
1535 }
1536 window_copy_cursor_previous_word(wme, close, 1);
1537 }
1538 continue;
1539 }
1540 start = open[cp - close];
1541
1542 /* Walk backward until the matching bracket is reached. */
1543 n = 1;
1544 failed = 0;
1545 do {
1546 if (px == 0) {
1547 if (py == 0) {
1548 failed = 1;
1549 break;
1550 }
1551 do {
1552 py--;
1553 xx = window_copy_find_length(wme, py);
1554 } while (xx == 0 && py > 0);
1555 if (xx == 0 && py == 0) {
1556 failed = 1;
1557 break;
1558 }
1559 px = xx - 1;
1560 } else
1561 px--;
1562
1563 grid_get_cell(s->grid, px, py, &gc);
1564 if (gc.data.size == 1 &&
1565 (~gc.flags & GRID_FLAG_PADDING)) {
1566 if (*gc.data.data == found)
1567 n++;
1568 else if (*gc.data.data == start)
1569 n--;
1570 }
1571 } while (n != 0);
1572
1573 /* Move the cursor to the found location if any. */
1574 if (!failed)
1575 window_copy_scroll_to(wme, px, py, 0);
1576 }
1577
1578 return (WINDOW_COPY_CMD_NOTHING);
1579 }
1580
1581 static enum window_copy_cmd_action
1582 window_copy_cmd_next_matching_bracket(struct window_copy_cmd_state *cs)
1583 {
1584 struct window_mode_entry *wme = cs->wme;
1585 u_int np = wme->prefix;
1586 struct window_copy_mode_data *data = wme->data;
1587 struct screen *s = data->backing;
1588 char open[] = "{[(", close[] = "}])";
1589 char tried, found, end, *cp;
1590 u_int px, py, xx, yy, sx, sy, n;
1591 struct grid_cell gc;
1592 int failed;
1593 struct grid_line *gl;
1594
1595 for (; np != 0; np--) {
1596 /* Get cursor position and line length. */
1597 px = data->cx;
1598 py = screen_hsize(s) + data->cy - data->oy;
1599 xx = window_copy_find_length(wme, py);
1600 yy = screen_hsize(s) + screen_size_y(s) - 1;
1601 if (xx == 0)
1602 break;
1603
1604 /*
1605 * Get the current character. If not on a bracket, try the
1606 * next. If still not, then behave like next-word.
1607 */
1608 tried = 0;
1609 retry:
1610 grid_get_cell(s->grid, px, py, &gc);
1611 if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
1612 cp = NULL;
1613 else {
1614 found = *gc.data.data;
1615
1616 /*
1617 * In vi mode, attempt to move to previous bracket if a
1618 * closing bracket is found first. If this fails,
1619 * return to the original cursor position.
1620 */
1621 cp = strchr(close, found);
1622 if (cp != NULL && data->modekeys == MODEKEY_VI) {
1623 sx = data->cx;
1624 sy = screen_hsize(s) + data->cy - data->oy;
1625
1626 window_copy_scroll_to(wme, px, py, 0);
1627 window_copy_cmd_previous_matching_bracket(cs);
1628
1629 px = data->cx;
1630 py = screen_hsize(s) + data->cy - data->oy;
1631 grid_get_cell(s->grid, px, py, &gc);
1632 if (gc.data.size == 1 &&
1633 (~gc.flags & GRID_FLAG_PADDING) &&
1634 strchr(close, *gc.data.data) != NULL)
1635 window_copy_scroll_to(wme, sx, sy, 0);
1636 break;
1637 }
1638
1639 cp = strchr(open, found);
1640 }
1641 if (cp == NULL) {
1642 if (data->modekeys == MODEKEY_EMACS) {
1643 if (!tried && px <= xx) {
1644 px++;
1645 tried = 1;
1646 goto retry;
1647 }
1648 window_copy_cursor_next_word_end(wme, open, 0);
1649 continue;
1650 }
1651 /* For vi, continue searching for bracket until EOL. */
1652 if (px > xx) {
1653 if (py == yy)
1654 continue;
1655 gl = grid_get_line(s->grid, py);
1656 if (~gl->flags & GRID_LINE_WRAPPED)
1657 continue;
1658 if (gl->cellsize > s->grid->sx)
1659 continue;
1660 px = 0;
1661 py++;
1662 xx = window_copy_find_length(wme, py);
1663 } else
1664 px++;
1665 goto retry;
1666 }
1667 end = close[cp - open];
1668
1669 /* Walk forward until the matching bracket is reached. */
1670 n = 1;
1671 failed = 0;
1672 do {
1673 if (px > xx) {
1674 if (py == yy) {
1675 failed = 1;
1676 break;
1677 }
1678 px = 0;
1679 py++;
1680 xx = window_copy_find_length(wme, py);
1681 } else
1682 px++;
1683
1684 grid_get_cell(s->grid, px, py, &gc);
1685 if (gc.data.size == 1 &&
1686 (~gc.flags & GRID_FLAG_PADDING)) {
1687 if (*gc.data.data == found)
1688 n++;
1689 else if (*gc.data.data == end)
1690 n--;
1691 }
1692 } while (n != 0);
1693
1694 /* Move the cursor to the found location if any. */
1695 if (!failed)
1696 window_copy_scroll_to(wme, px, py, 0);
1697 }
1698
1699 return (WINDOW_COPY_CMD_NOTHING);
1700 }
1701
1702 static enum window_copy_cmd_action
1703 window_copy_cmd_next_paragraph(struct window_copy_cmd_state *cs)
1704 {
1705 struct window_mode_entry *wme = cs->wme;
1706 u_int np = wme->prefix;
1707
1708 for (; np != 0; np--)
1709 window_copy_next_paragraph(wme);
1710 return (WINDOW_COPY_CMD_NOTHING);
1711 }
1712
1713 static enum window_copy_cmd_action
1714 window_copy_cmd_next_space(struct window_copy_cmd_state *cs)
1715 {
1716 struct window_mode_entry *wme = cs->wme;
1717 u_int np = wme->prefix;
1718
1719 for (; np != 0; np--)
1720 window_copy_cursor_next_word(wme, "");
1721 return (WINDOW_COPY_CMD_NOTHING);
1722 }
1723
1724 static enum window_copy_cmd_action
1725 window_copy_cmd_next_space_end(struct window_copy_cmd_state *cs)
1726 {
1727 struct window_mode_entry *wme = cs->wme;
1728 u_int np = wme->prefix;
1729
1730 for (; np != 0; np--)
1731 window_copy_cursor_next_word_end(wme, "", 0);
1732 return (WINDOW_COPY_CMD_NOTHING);
1733 }
1734
1735 static enum window_copy_cmd_action
1736 window_copy_cmd_next_word(struct window_copy_cmd_state *cs)
1737 {
1738 struct window_mode_entry *wme = cs->wme;
1739 u_int np = wme->prefix;
1740 const char *separators;
1741
1742 separators = options_get_string(cs->s->options, "word-separators");
1743
1744 for (; np != 0; np--)
1745 window_copy_cursor_next_word(wme, separators);
1746 return (WINDOW_COPY_CMD_NOTHING);
1747 }
1748
1749 static enum window_copy_cmd_action
1750 window_copy_cmd_next_word_end(struct window_copy_cmd_state *cs)
1751 {
1752 struct window_mode_entry *wme = cs->wme;
1753 u_int np = wme->prefix;
1754 const char *separators;
1755
1756 separators = options_get_string(cs->s->options, "word-separators");
1757
1758 for (; np != 0; np--)
1759 window_copy_cursor_next_word_end(wme, separators, 0);
1760 return (WINDOW_COPY_CMD_NOTHING);
1761 }
1762
1763 static enum window_copy_cmd_action
1764 window_copy_cmd_other_end(struct window_copy_cmd_state *cs)
1765 {
1766 struct window_mode_entry *wme = cs->wme;
1767 u_int np = wme->prefix;
1768 struct window_copy_mode_data *data = wme->data;
1769
1770 data->selflag = SEL_CHAR;
1771 if ((np % 2) != 0)
1772 window_copy_other_end(wme);
1773 return (WINDOW_COPY_CMD_NOTHING);
1774 }
1775
1776 static enum window_copy_cmd_action
1777 window_copy_cmd_page_down(struct window_copy_cmd_state *cs)
1778 {
1779 struct window_mode_entry *wme = cs->wme;
1780 struct window_copy_mode_data *data = wme->data;
1781 u_int np = wme->prefix;
1782
1783 for (; np != 0; np--) {
1784 if (window_copy_pagedown(wme, 0, data->scroll_exit))
1785 return (WINDOW_COPY_CMD_CANCEL);
1786 }
1787 return (WINDOW_COPY_CMD_NOTHING);
1788 }
1789
1790 static enum window_copy_cmd_action
1791 window_copy_cmd_page_down_and_cancel(struct window_copy_cmd_state *cs)
1792 {
1793 struct window_mode_entry *wme = cs->wme;
1794 u_int np = wme->prefix;
1795
1796 for (; np != 0; np--) {
1797 if (window_copy_pagedown(wme, 0, 1))
1798 return (WINDOW_COPY_CMD_CANCEL);
1799 }
1800 return (WINDOW_COPY_CMD_NOTHING);
1801 }
1802
1803 static enum window_copy_cmd_action
1804 window_copy_cmd_page_up(struct window_copy_cmd_state *cs)
1805 {
1806 struct window_mode_entry *wme = cs->wme;
1807 u_int np = wme->prefix;
1808
1809 for (; np != 0; np--)
1810 window_copy_pageup1(wme, 0);
1811 return (WINDOW_COPY_CMD_NOTHING);
1812 }
1813
1814 static enum window_copy_cmd_action
1815 window_copy_cmd_previous_paragraph(struct window_copy_cmd_state *cs)
1816 {
1817 struct window_mode_entry *wme = cs->wme;
1818 u_int np = wme->prefix;
1819
1820 for (; np != 0; np--)
1821 window_copy_previous_paragraph(wme);
1822 return (WINDOW_COPY_CMD_NOTHING);
1823 }
1824
1825 static enum window_copy_cmd_action
1826 window_copy_cmd_previous_space(struct window_copy_cmd_state *cs)
1827 {
1828 struct window_mode_entry *wme = cs->wme;
1829 u_int np = wme->prefix;
1830
1831 for (; np != 0; np--)
1832 window_copy_cursor_previous_word(wme, "", 1);
1833 return (WINDOW_COPY_CMD_NOTHING);
1834 }
1835
1836 static enum window_copy_cmd_action
1837 window_copy_cmd_previous_word(struct window_copy_cmd_state *cs)
1838 {
1839 struct window_mode_entry *wme = cs->wme;
1840 u_int np = wme->prefix;
1841 const char *separators;
1842
1843 separators = options_get_string(cs->s->options, "word-separators");
1844
1845 for (; np != 0; np--)
1846 window_copy_cursor_previous_word(wme, separators, 1);
1847 return (WINDOW_COPY_CMD_NOTHING);
1848 }
1849
1850 static enum window_copy_cmd_action
1851 window_copy_cmd_rectangle_on(struct window_copy_cmd_state *cs)
1852 {
1853 struct window_mode_entry *wme = cs->wme;
1854 struct window_copy_mode_data *data = wme->data;
1855
1856 data->lineflag = LINE_SEL_NONE;
1857 window_copy_rectangle_set(wme, 1);
1858
1859 return (WINDOW_COPY_CMD_NOTHING);
1860 }
1861
1862 static enum window_copy_cmd_action
1863 window_copy_cmd_rectangle_off(struct window_copy_cmd_state *cs)
1864 {
1865 struct window_mode_entry *wme = cs->wme;
1866 struct window_copy_mode_data *data = wme->data;
1867
1868 data->lineflag = LINE_SEL_NONE;
1869 window_copy_rectangle_set(wme, 0);
1870
1871 return (WINDOW_COPY_CMD_NOTHING);
1872 }
1873
1874 static enum window_copy_cmd_action
1875 window_copy_cmd_rectangle_toggle(struct window_copy_cmd_state *cs)
1876 {
1877 struct window_mode_entry *wme = cs->wme;
1878 struct window_copy_mode_data *data = wme->data;
1879
1880 data->lineflag = LINE_SEL_NONE;
1881 window_copy_rectangle_set(wme, !data->rectflag);
1882
1883 return (WINDOW_COPY_CMD_NOTHING);
1884 }
1885
1886 static enum window_copy_cmd_action
1887 window_copy_cmd_scroll_down(struct window_copy_cmd_state *cs)
1888 {
1889 struct window_mode_entry *wme = cs->wme;
1890 struct window_copy_mode_data *data = wme->data;
1891 u_int np = wme->prefix;
1892
1893 for (; np != 0; np--)
1894 window_copy_cursor_down(wme, 1);
1895 if (data->scroll_exit && data->oy == 0)
1896 return (WINDOW_COPY_CMD_CANCEL);
1897 return (WINDOW_COPY_CMD_NOTHING);
1898 }
1899
1900 static enum window_copy_cmd_action
1901 window_copy_cmd_scroll_down_and_cancel(struct window_copy_cmd_state *cs)
1902 {
1903 struct window_mode_entry *wme = cs->wme;
1904 struct window_copy_mode_data *data = wme->data;
1905 u_int np = wme->prefix;
1906
1907 for (; np != 0; np--)
1908 window_copy_cursor_down(wme, 1);
1909 if (data->oy == 0)
1910 return (WINDOW_COPY_CMD_CANCEL);
1911 return (WINDOW_COPY_CMD_NOTHING);
1912 }
1913
1914 static enum window_copy_cmd_action
1915 window_copy_cmd_scroll_up(struct window_copy_cmd_state *cs)
1916 {
1917 struct window_mode_entry *wme = cs->wme;
1918 u_int np = wme->prefix;
1919
1920 for (; np != 0; np--)
1921 window_copy_cursor_up(wme, 1);
1922 return (WINDOW_COPY_CMD_NOTHING);
1923 }
1924
1925 static enum window_copy_cmd_action
1926 window_copy_cmd_search_again(struct window_copy_cmd_state *cs)
1927 {
1928 struct window_mode_entry *wme = cs->wme;
1929 struct window_copy_mode_data *data = wme->data;
1930 u_int np = wme->prefix;
1931
1932 if (data->searchtype == WINDOW_COPY_SEARCHUP) {
1933 for (; np != 0; np--)
1934 window_copy_search_up(wme, data->searchregex);
1935 } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
1936 for (; np != 0; np--)
1937 window_copy_search_down(wme, data->searchregex);
1938 }
1939 return (WINDOW_COPY_CMD_NOTHING);
1940 }
1941
1942 static enum window_copy_cmd_action
1943 window_copy_cmd_search_reverse(struct window_copy_cmd_state *cs)
1944 {
1945 struct window_mode_entry *wme = cs->wme;
1946 struct window_copy_mode_data *data = wme->data;
1947 u_int np = wme->prefix;
1948
1949 if (data->searchtype == WINDOW_COPY_SEARCHUP) {
1950 for (; np != 0; np--)
1951 window_copy_search_down(wme, data->searchregex);
1952 } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
1953 for (; np != 0; np--)
1954 window_copy_search_up(wme, data->searchregex);
1955 }
1956 return (WINDOW_COPY_CMD_NOTHING);
1957 }
1958
1959 static enum window_copy_cmd_action
1960 window_copy_cmd_select_line(struct window_copy_cmd_state *cs)
1961 {
1962 struct window_mode_entry *wme = cs->wme;
1963 struct window_copy_mode_data *data = wme->data;
1964 u_int np = wme->prefix;
1965
1966 data->lineflag = LINE_SEL_LEFT_RIGHT;
1967 data->rectflag = 0;
1968 data->selflag = SEL_LINE;
1969 data->dx = data->cx;
1970 data->dy = screen_hsize(data->backing) + data->cy - data->oy;
1971
1972 window_copy_cursor_start_of_line(wme);
1973 data->selrx = data->cx;
1974 data->selry = screen_hsize(data->backing) + data->cy - data->oy;
1975 data->endselry = data->selry;
1976 window_copy_start_selection(wme);
1977 window_copy_cursor_end_of_line(wme);
1978 data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
1979 data->endselrx = window_copy_find_length(wme, data->endselry);
1980 for (; np > 1; np--) {
1981 window_copy_cursor_down(wme, 0);
1982 window_copy_cursor_end_of_line(wme);
1983 }
1984
1985 return (WINDOW_COPY_CMD_REDRAW);
1986 }
1987
1988 static enum window_copy_cmd_action
1989 window_copy_cmd_select_word(struct window_copy_cmd_state *cs)
1990 {
1991 struct window_mode_entry *wme = cs->wme;
1992 struct options *session_options = cs->s->options;
1993 struct window_copy_mode_data *data = wme->data;
1994 u_int px, py, nextx, nexty;
1995
1996 data->lineflag = LINE_SEL_LEFT_RIGHT;
1997 data->rectflag = 0;
1998 data->selflag = SEL_WORD;
1999 data->dx = data->cx;
2000 data->dy = screen_hsize(data->backing) + data->cy - data->oy;
2001
2002 data->separators = options_get_string(session_options,
2003 "word-separators");
2004 window_copy_cursor_previous_word(wme, data->separators, 0);
2005 px = data->cx;
2006 py = screen_hsize(data->backing) + data->cy - data->oy;
2007 data->selrx = px;
2008 data->selry = py;
2009 window_copy_start_selection(wme);
2010
2011 /* Handle single character words. */
2012 nextx = px + 1;
2013 nexty = py;
2014 if (grid_get_line(data->backing->grid, nexty)->flags &
2015 GRID_LINE_WRAPPED && nextx > screen_size_x(data->backing) - 1) {
2016 nextx = 0;
2017 nexty++;
2018 }
2019 if (px >= window_copy_find_length(wme, py) ||
2020 !window_copy_in_set(wme, nextx, nexty, WHITESPACE))
2021 window_copy_cursor_next_word_end(wme, data->separators, 1);
2022 else {
2023 window_copy_update_cursor(wme, px, data->cy);
2024 if (window_copy_update_selection(wme, 1, 1))
2025 window_copy_redraw_lines(wme, data->cy, 1);
2026 }
2027 data->endselrx = data->cx;
2028 data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
2029 if (data->dy > data->endselry) {
2030 data->dy = data->endselry;
2031 data->dx = data->endselrx;
2032 } else if (data->dx > data->endselrx)
2033 data->dx = data->endselrx;
2034
2035 return (WINDOW_COPY_CMD_REDRAW);
2036 }
2037
2038 static enum window_copy_cmd_action
2039 window_copy_cmd_set_mark(struct window_copy_cmd_state *cs)
2040 {
2041 struct window_copy_mode_data *data = cs->wme->data;
2042
2043 data->mx = data->cx;
2044 data->my = screen_hsize(data->backing) + data->cy - data->oy;
2045 data->showmark = 1;
2046 return (WINDOW_COPY_CMD_REDRAW);
2047 }
2048
2049 static enum window_copy_cmd_action
2050 window_copy_cmd_start_of_line(struct window_copy_cmd_state *cs)
2051 {
2052 struct window_mode_entry *wme = cs->wme;
2053
2054 window_copy_cursor_start_of_line(wme);
2055 return (WINDOW_COPY_CMD_NOTHING);
2056 }
2057
2058 static enum window_copy_cmd_action
2059 window_copy_cmd_top_line(struct window_copy_cmd_state *cs)
2060 {
2061 struct window_mode_entry *wme = cs->wme;
2062 struct window_copy_mode_data *data = wme->data;
2063
2064 data->cx = 0;
2065 data->cy = 0;
2066
2067 window_copy_update_selection(wme, 1, 0);
2068 return (WINDOW_COPY_CMD_REDRAW);
2069 }
2070
2071 static enum window_copy_cmd_action
2072 window_copy_cmd_copy_pipe_no_clear(struct window_copy_cmd_state *cs)
2073 {
2074 struct window_mode_entry *wme = cs->wme;
2075 struct client *c = cs->c;
2076 struct session *s = cs->s;
2077 struct winlink *wl = cs->wl;
2078 struct window_pane *wp = wme->wp;
2079 char *command = NULL, *prefix = NULL;
2080 const char *arg1 = args_string(cs->args, 1);
2081 const char *arg2 = args_string(cs->args, 2);
2082
2083 if (arg2 != NULL)
2084 prefix = format_single(NULL, arg2, c, s, wl, wp);
2085
2086 if (s != NULL && arg1 != NULL && *arg1 != '\0')
2087 command = format_single(NULL, arg1, c, s, wl, wp);
2088 window_copy_copy_pipe(wme, s, prefix, command);
2089 free(command);
2090
2091 free(prefix);
2092 return (WINDOW_COPY_CMD_NOTHING);
2093 }
2094
2095 static enum window_copy_cmd_action
2096 window_copy_cmd_copy_pipe(struct window_copy_cmd_state *cs)
2097 {
2098 struct window_mode_entry *wme = cs->wme;
2099
2100 window_copy_cmd_copy_pipe_no_clear(cs);
2101 window_copy_clear_selection(wme);
2102 return (WINDOW_COPY_CMD_REDRAW);
2103 }
2104
2105 static enum window_copy_cmd_action
2106 window_copy_cmd_copy_pipe_and_cancel(struct window_copy_cmd_state *cs)
2107 {
2108 struct window_mode_entry *wme = cs->wme;
2109
2110 window_copy_cmd_copy_pipe_no_clear(cs);
2111 window_copy_clear_selection(wme);
2112 return (WINDOW_COPY_CMD_CANCEL);
2113 }
2114
2115 static enum window_copy_cmd_action
2116 window_copy_cmd_pipe_no_clear(struct window_copy_cmd_state *cs)
2117 {
2118 struct window_mode_entry *wme = cs->wme;
2119 struct client *c = cs->c;
2120 struct session *s = cs->s;
2121 struct winlink *wl = cs->wl;
2122 struct window_pane *wp = wme->wp;
2123 char *command = NULL;
2124 const char *arg1 = args_string(cs->args, 1);
2125
2126 if (s != NULL && arg1 != NULL && *arg1 != '\0')
2127 command = format_single(NULL, arg1, c, s, wl, wp);
2128 window_copy_pipe(wme, s, command);
2129 free(command);
2130
2131 return (WINDOW_COPY_CMD_NOTHING);
2132 }
2133
2134 static enum window_copy_cmd_action
2135 window_copy_cmd_pipe(struct window_copy_cmd_state *cs)
2136 {
2137 struct window_mode_entry *wme = cs->wme;
2138
2139 window_copy_cmd_pipe_no_clear(cs);
2140 window_copy_clear_selection(wme);
2141 return (WINDOW_COPY_CMD_REDRAW);
2142 }
2143
2144 static enum window_copy_cmd_action
2145 window_copy_cmd_pipe_and_cancel(struct window_copy_cmd_state *cs)
2146 {
2147 struct window_mode_entry *wme = cs->wme;
2148
2149 window_copy_cmd_pipe_no_clear(cs);
2150 window_copy_clear_selection(wme);
2151 return (WINDOW_COPY_CMD_CANCEL);
2152 }
2153
2154 static enum window_copy_cmd_action
2155 window_copy_cmd_goto_line(struct window_copy_cmd_state *cs)
2156 {
2157 struct window_mode_entry *wme = cs->wme;
2158 const char *arg1 = args_string(cs->args, 1);
2159
2160 if (*arg1 != '\0')
2161 window_copy_goto_line(wme, arg1);
2162 return (WINDOW_COPY_CMD_NOTHING);
2163 }
2164
2165 static enum window_copy_cmd_action
2166 window_copy_cmd_jump_backward(struct window_copy_cmd_state *cs)
2167 {
2168 struct window_mode_entry *wme = cs->wme;
2169 struct window_copy_mode_data *data = wme->data;
2170 u_int np = wme->prefix;
2171 const char *arg1 = args_string(cs->args, 1);
2172
2173 if (*arg1 != '\0') {
2174 data->jumptype = WINDOW_COPY_JUMPBACKWARD;
2175 free(data->jumpchar);
2176 data->jumpchar = utf8_fromcstr(arg1);
2177 for (; np != 0; np--)
2178 window_copy_cursor_jump_back(wme);
2179 }
2180 return (WINDOW_COPY_CMD_NOTHING);
2181 }
2182
2183 static enum window_copy_cmd_action
2184 window_copy_cmd_jump_forward(struct window_copy_cmd_state *cs)
2185 {
2186 struct window_mode_entry *wme = cs->wme;
2187 struct window_copy_mode_data *data = wme->data;
2188 u_int np = wme->prefix;
2189 const char *arg1 = args_string(cs->args, 1);
2190
2191 if (*arg1 != '\0') {
2192 data->jumptype = WINDOW_COPY_JUMPFORWARD;
2193 free(data->jumpchar);
2194 data->jumpchar = utf8_fromcstr(arg1);
2195 for (; np != 0; np--)
2196 window_copy_cursor_jump(wme);
2197 }
2198 return (WINDOW_COPY_CMD_NOTHING);
2199 }
2200
2201 static enum window_copy_cmd_action
2202 window_copy_cmd_jump_to_backward(struct window_copy_cmd_state *cs)
2203 {
2204 struct window_mode_entry *wme = cs->wme;
2205 struct window_copy_mode_data *data = wme->data;
2206 u_int np = wme->prefix;
2207 const char *arg1 = args_string(cs->args, 1);
2208
2209 if (*arg1 != '\0') {
2210 data->jumptype = WINDOW_COPY_JUMPTOBACKWARD;
2211 free(data->jumpchar);
2212 data->jumpchar = utf8_fromcstr(arg1);
2213 for (; np != 0; np--)
2214 window_copy_cursor_jump_to_back(wme);
2215 }
2216 return (WINDOW_COPY_CMD_NOTHING);
2217 }
2218
2219 static enum window_copy_cmd_action
2220 window_copy_cmd_jump_to_forward(struct window_copy_cmd_state *cs)
2221 {
2222 struct window_mode_entry *wme = cs->wme;
2223 struct window_copy_mode_data *data = wme->data;
2224 u_int np = wme->prefix;
2225 const char *arg1 = args_string(cs->args, 1);
2226
2227 if (*arg1 != '\0') {
2228 data->jumptype = WINDOW_COPY_JUMPTOFORWARD;
2229 free(data->jumpchar);
2230 data->jumpchar = utf8_fromcstr(arg1);
2231 for (; np != 0; np--)
2232 window_copy_cursor_jump_to(wme);
2233 }
2234 return (WINDOW_COPY_CMD_NOTHING);
2235 }
2236
2237 static enum window_copy_cmd_action
2238 window_copy_cmd_jump_to_mark(struct window_copy_cmd_state *cs)
2239 {
2240 struct window_mode_entry *wme = cs->wme;
2241
2242 window_copy_jump_to_mark(wme);
2243 return (WINDOW_COPY_CMD_NOTHING);
2244 }
2245
2246 static enum window_copy_cmd_action
2247 window_copy_cmd_next_prompt(struct window_copy_cmd_state *cs)
2248 {
2249 struct window_mode_entry *wme = cs->wme;
2250 const char *arg1 = args_string(cs->args, 1);
2251
2252 window_copy_cursor_prompt(wme, 1, arg1);
2253 return (WINDOW_COPY_CMD_NOTHING);
2254 }
2255
2256 static enum window_copy_cmd_action
2257 window_copy_cmd_previous_prompt(struct window_copy_cmd_state *cs)
2258 {
2259 struct window_mode_entry *wme = cs->wme;
2260 const char *arg1 = args_string(cs->args, 1);
2261
2262 window_copy_cursor_prompt(wme, 0, arg1);
2263 return (WINDOW_COPY_CMD_NOTHING);
2264 }
2265
2266 static enum window_copy_cmd_action
2267 window_copy_cmd_search_backward(struct window_copy_cmd_state *cs)
2268 {
2269 struct window_mode_entry *wme = cs->wme;
2270 struct window_copy_mode_data *data = wme->data;
2271 u_int np = wme->prefix;
2272
2273 if (!window_copy_expand_search_string(cs))
2274 return (WINDOW_COPY_CMD_NOTHING);
2275
2276 if (data->searchstr != NULL) {
2277 data->searchtype = WINDOW_COPY_SEARCHUP;
2278 data->searchregex = 1;
2279 data->timeout = 0;
2280 for (; np != 0; np--)
2281 window_copy_search_up(wme, 1);
2282 }
2283 return (WINDOW_COPY_CMD_NOTHING);
2284 }
2285
2286 static enum window_copy_cmd_action
2287 window_copy_cmd_search_backward_text(struct window_copy_cmd_state *cs)
2288 {
2289 struct window_mode_entry *wme = cs->wme;
2290 struct window_copy_mode_data *data = wme->data;
2291 u_int np = wme->prefix;
2292
2293 if (!window_copy_expand_search_string(cs))
2294 return (WINDOW_COPY_CMD_NOTHING);
2295
2296 if (data->searchstr != NULL) {
2297 data->searchtype = WINDOW_COPY_SEARCHUP;
2298 data->searchregex = 0;
2299 data->timeout = 0;
2300 for (; np != 0; np--)
2301 window_copy_search_up(wme, 0);
2302 }
2303 return (WINDOW_COPY_CMD_NOTHING);
2304 }
2305
2306 static enum window_copy_cmd_action
2307 window_copy_cmd_search_forward(struct window_copy_cmd_state *cs)
2308 {
2309 struct window_mode_entry *wme = cs->wme;
2310 struct window_copy_mode_data *data = wme->data;
2311 u_int np = wme->prefix;
2312
2313 if (!window_copy_expand_search_string(cs))
2314 return (WINDOW_COPY_CMD_NOTHING);
2315
2316 if (data->searchstr != NULL) {
2317 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2318 data->searchregex = 1;
2319 data->timeout = 0;
2320 for (; np != 0; np--)
2321 window_copy_search_down(wme, 1);
2322 }
2323 return (WINDOW_COPY_CMD_NOTHING);
2324 }
2325
2326 static enum window_copy_cmd_action
2327 window_copy_cmd_search_forward_text(struct window_copy_cmd_state *cs)
2328 {
2329 struct window_mode_entry *wme = cs->wme;
2330 struct window_copy_mode_data *data = wme->data;
2331 u_int np = wme->prefix;
2332
2333 if (!window_copy_expand_search_string(cs))
2334 return (WINDOW_COPY_CMD_NOTHING);
2335
2336 if (data->searchstr != NULL) {
2337 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2338 data->searchregex = 0;
2339 data->timeout = 0;
2340 for (; np != 0; np--)
2341 window_copy_search_down(wme, 0);
2342 }
2343 return (WINDOW_COPY_CMD_NOTHING);
2344 }
2345
2346 static enum window_copy_cmd_action
2347 window_copy_cmd_search_backward_incremental(struct window_copy_cmd_state *cs)
2348 {
2349 struct window_mode_entry *wme = cs->wme;
2350 struct window_copy_mode_data *data = wme->data;
2351 const char *arg1 = args_string(cs->args, 1);
2352 const char *ss = data->searchstr;
2353 char prefix;
2354 enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
2355
2356 data->timeout = 0;
2357
2358 log_debug("%s: %s", __func__, arg1);
2359
2360 prefix = *arg1++;
2361 if (data->searchx == -1 || data->searchy == -1) {
2362 data->searchx = data->cx;
2363 data->searchy = data->cy;
2364 data->searcho = data->oy;
2365 } else if (ss != NULL && strcmp(arg1, ss) != 0) {
2366 data->cx = data->searchx;
2367 data->cy = data->searchy;
2368 data->oy = data->searcho;
2369 action = WINDOW_COPY_CMD_REDRAW;
2370 }
2371 if (*arg1 == '\0') {
2372 window_copy_clear_marks(wme);
2373 return (WINDOW_COPY_CMD_REDRAW);
2374 }
2375 switch (prefix) {
2376 case '=':
2377 case '-':
2378 data->searchtype = WINDOW_COPY_SEARCHUP;
2379 data->searchregex = 0;
2380 free(data->searchstr);
2381 data->searchstr = xstrdup(arg1);
2382 if (!window_copy_search_up(wme, 0)) {
2383 window_copy_clear_marks(wme);
2384 return (WINDOW_COPY_CMD_REDRAW);
2385 }
2386 break;
2387 case '+':
2388 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2389 data->searchregex = 0;
2390 free(data->searchstr);
2391 data->searchstr = xstrdup(arg1);
2392 if (!window_copy_search_down(wme, 0)) {
2393 window_copy_clear_marks(wme);
2394 return (WINDOW_COPY_CMD_REDRAW);
2395 }
2396 break;
2397 }
2398 return (action);
2399 }
2400
2401 static enum window_copy_cmd_action
2402 window_copy_cmd_search_forward_incremental(struct window_copy_cmd_state *cs)
2403 {
2404 struct window_mode_entry *wme = cs->wme;
2405 struct window_copy_mode_data *data = wme->data;
2406 const char *arg1 = args_string(cs->args, 1);
2407 const char *ss = data->searchstr;
2408 char prefix;
2409 enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
2410
2411 data->timeout = 0;
2412
2413 log_debug("%s: %s", __func__, arg1);
2414
2415 prefix = *arg1++;
2416 if (data->searchx == -1 || data->searchy == -1) {
2417 data->searchx = data->cx;
2418 data->searchy = data->cy;
2419 data->searcho = data->oy;
2420 } else if (ss != NULL && strcmp(arg1, ss) != 0) {
2421 data->cx = data->searchx;
2422 data->cy = data->searchy;
2423 data->oy = data->searcho;
2424 action = WINDOW_COPY_CMD_REDRAW;
2425 }
2426 if (*arg1 == '\0') {
2427 window_copy_clear_marks(wme);
2428 return (WINDOW_COPY_CMD_REDRAW);
2429 }
2430 switch (prefix) {
2431 case '=':
2432 case '+':
2433 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2434 data->searchregex = 0;
2435 free(data->searchstr);
2436 data->searchstr = xstrdup(arg1);
2437 if (!window_copy_search_down(wme, 0)) {
2438 window_copy_clear_marks(wme);
2439 return (WINDOW_COPY_CMD_REDRAW);
2440 }
2441 break;
2442 case '-':
2443 data->searchtype = WINDOW_COPY_SEARCHUP;
2444 data->searchregex = 0;
2445 free(data->searchstr);
2446 data->searchstr = xstrdup(arg1);
2447 if (!window_copy_search_up(wme, 0)) {
2448 window_copy_clear_marks(wme);
2449 return (WINDOW_COPY_CMD_REDRAW);
2450 }
2451 }
2452 return (action);
2453 }
2454
2455 static enum window_copy_cmd_action
2456 window_copy_cmd_refresh_from_pane(struct window_copy_cmd_state *cs)
2457 {
2458 struct window_mode_entry *wme = cs->wme;
2459 struct window_pane *wp = wme->swp;
2460 struct window_copy_mode_data *data = wme->data;
2461
2462 if (data->viewmode)
2463 return (WINDOW_COPY_CMD_NOTHING);
2464
2465 screen_free(data->backing);
2466 free(data->backing);
2467 data->backing = window_copy_clone_screen(&wp->base, &data->screen, NULL, NULL, wme->swp != wme->wp);
2468
2469 window_copy_size_changed(wme);
2470 return (WINDOW_COPY_CMD_REDRAW);
2471 }
2472
2473 static const struct {
2474 const char *command;
2475 u_int minargs;
2476 u_int maxargs;
2477 enum window_copy_cmd_clear clear;
2478 enum window_copy_cmd_action (*f)(struct window_copy_cmd_state *);
2479 } window_copy_cmd_table[] = {
2480 { .command = "append-selection",
2481 .minargs = 0,
2482 .maxargs = 0,
2483 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2484 .f = window_copy_cmd_append_selection
2485 },
2486 { .command = "append-selection-and-cancel",
2487 .minargs = 0,
2488 .maxargs = 0,
2489 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2490 .f = window_copy_cmd_append_selection_and_cancel
2491 },
2492 { .command = "back-to-indentation",
2493 .minargs = 0,
2494 .maxargs = 0,
2495 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2496 .f = window_copy_cmd_back_to_indentation
2497 },
2498 { .command = "begin-selection",
2499 .minargs = 0,
2500 .maxargs = 0,
2501 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2502 .f = window_copy_cmd_begin_selection
2503 },
2504 { .command = "bottom-line",
2505 .minargs = 0,
2506 .maxargs = 0,
2507 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2508 .f = window_copy_cmd_bottom_line
2509 },
2510 { .command = "cancel",
2511 .minargs = 0,
2512 .maxargs = 0,
2513 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2514 .f = window_copy_cmd_cancel
2515 },
2516 { .command = "clear-selection",
2517 .minargs = 0,
2518 .maxargs = 0,
2519 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2520 .f = window_copy_cmd_clear_selection
2521 },
2522 { .command = "copy-end-of-line",
2523 .minargs = 0,
2524 .maxargs = 1,
2525 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2526 .f = window_copy_cmd_copy_end_of_line
2527 },
2528 { .command = "copy-end-of-line-and-cancel",
2529 .minargs = 0,
2530 .maxargs = 1,
2531 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2532 .f = window_copy_cmd_copy_end_of_line_and_cancel
2533 },
2534 { .command = "copy-pipe-end-of-line",
2535 .minargs = 0,
2536 .maxargs = 2,
2537 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2538 .f = window_copy_cmd_copy_pipe_end_of_line
2539 },
2540 { .command = "copy-pipe-end-of-line-and-cancel",
2541 .minargs = 0,
2542 .maxargs = 2,
2543 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2544 .f = window_copy_cmd_copy_pipe_end_of_line_and_cancel
2545 },
2546 { .command = "copy-line",
2547 .minargs = 0,
2548 .maxargs = 1,
2549 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2550 .f = window_copy_cmd_copy_line
2551 },
2552 { .command = "copy-line-and-cancel",
2553 .minargs = 0,
2554 .maxargs = 1,
2555 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2556 .f = window_copy_cmd_copy_line_and_cancel
2557 },
2558 { .command = "copy-pipe-line",
2559 .minargs = 0,
2560 .maxargs = 2,
2561 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2562 .f = window_copy_cmd_copy_pipe_line
2563 },
2564 { .command = "copy-pipe-line-and-cancel",
2565 .minargs = 0,
2566 .maxargs = 2,
2567 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2568 .f = window_copy_cmd_copy_pipe_line_and_cancel
2569 },
2570 { .command = "copy-pipe-no-clear",
2571 .minargs = 0,
2572 .maxargs = 2,
2573 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2574 .f = window_copy_cmd_copy_pipe_no_clear
2575 },
2576 { .command = "copy-pipe",
2577 .minargs = 0,
2578 .maxargs = 2,
2579 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2580 .f = window_copy_cmd_copy_pipe
2581 },
2582 { .command = "copy-pipe-and-cancel",
2583 .minargs = 0,
2584 .maxargs = 2,
2585 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2586 .f = window_copy_cmd_copy_pipe_and_cancel
2587 },
2588 { .command = "copy-selection-no-clear",
2589 .minargs = 0,
2590 .maxargs = 1,
2591 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2592 .f = window_copy_cmd_copy_selection_no_clear
2593 },
2594 { .command = "copy-selection",
2595 .minargs = 0,
2596 .maxargs = 1,
2597 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2598 .f = window_copy_cmd_copy_selection
2599 },
2600 { .command = "copy-selection-and-cancel",
2601 .minargs = 0,
2602 .maxargs = 1,
2603 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2604 .f = window_copy_cmd_copy_selection_and_cancel
2605 },
2606 { .command = "cursor-down",
2607 .minargs = 0,
2608 .maxargs = 0,
2609 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2610 .f = window_copy_cmd_cursor_down
2611 },
2612 { .command = "cursor-down-and-cancel",
2613 .minargs = 0,
2614 .maxargs = 0,
2615 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2616 .f = window_copy_cmd_cursor_down_and_cancel
2617 },
2618 { .command = "cursor-left",
2619 .minargs = 0,
2620 .maxargs = 0,
2621 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2622 .f = window_copy_cmd_cursor_left
2623 },
2624 { .command = "cursor-right",
2625 .minargs = 0,
2626 .maxargs = 0,
2627 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2628 .f = window_copy_cmd_cursor_right
2629 },
2630 { .command = "cursor-up",
2631 .minargs = 0,
2632 .maxargs = 0,
2633 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2634 .f = window_copy_cmd_cursor_up
2635 },
2636 { .command = "end-of-line",
2637 .minargs = 0,
2638 .maxargs = 0,
2639 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2640 .f = window_copy_cmd_end_of_line
2641 },
2642 { .command = "goto-line",
2643 .minargs = 1,
2644 .maxargs = 1,
2645 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2646 .f = window_copy_cmd_goto_line
2647 },
2648 { .command = "halfpage-down",
2649 .minargs = 0,
2650 .maxargs = 0,
2651 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2652 .f = window_copy_cmd_halfpage_down
2653 },
2654 { .command = "halfpage-down-and-cancel",
2655 .minargs = 0,
2656 .maxargs = 0,
2657 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2658 .f = window_copy_cmd_halfpage_down_and_cancel
2659 },
2660 { .command = "halfpage-up",
2661 .minargs = 0,
2662 .maxargs = 0,
2663 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2664 .f = window_copy_cmd_halfpage_up
2665 },
2666 { .command = "history-bottom",
2667 .minargs = 0,
2668 .maxargs = 0,
2669 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2670 .f = window_copy_cmd_history_bottom
2671 },
2672 { .command = "history-top",
2673 .minargs = 0,
2674 .maxargs = 0,
2675 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2676 .f = window_copy_cmd_history_top
2677 },
2678 { .command = "jump-again",
2679 .minargs = 0,
2680 .maxargs = 0,
2681 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2682 .f = window_copy_cmd_jump_again
2683 },
2684 { .command = "jump-backward",
2685 .minargs = 1,
2686 .maxargs = 1,
2687 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2688 .f = window_copy_cmd_jump_backward
2689 },
2690 { .command = "jump-forward",
2691 .minargs = 1,
2692 .maxargs = 1,
2693 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2694 .f = window_copy_cmd_jump_forward
2695 },
2696 { .command = "jump-reverse",
2697 .minargs = 0,
2698 .maxargs = 0,
2699 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2700 .f = window_copy_cmd_jump_reverse
2701 },
2702 { .command = "jump-to-backward",
2703 .minargs = 1,
2704 .maxargs = 1,
2705 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2706 .f = window_copy_cmd_jump_to_backward
2707 },
2708 { .command = "jump-to-forward",
2709 .minargs = 1,
2710 .maxargs = 1,
2711 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2712 .f = window_copy_cmd_jump_to_forward
2713 },
2714 { .command = "jump-to-mark",
2715 .minargs = 0,
2716 .maxargs = 0,
2717 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2718 .f = window_copy_cmd_jump_to_mark
2719 },
2720 { .command = "next-prompt",
2721 .minargs = 0,
2722 .maxargs = 0,
2723 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2724 .f = window_copy_cmd_next_prompt
2725 },
2726 { .command = "previous-prompt",
2727 .minargs = 0,
2728 .maxargs = 1,
2729 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2730 .f = window_copy_cmd_previous_prompt
2731 },
2732 { .command = "middle-line",
2733 .minargs = 0,
2734 .maxargs = 0,
2735 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2736 .f = window_copy_cmd_middle_line
2737 },
2738 { .command = "next-matching-bracket",
2739 .minargs = 0,
2740 .maxargs = 0,
2741 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2742 .f = window_copy_cmd_next_matching_bracket
2743 },
2744 { .command = "next-paragraph",
2745 .minargs = 0,
2746 .maxargs = 0,
2747 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2748 .f = window_copy_cmd_next_paragraph
2749 },
2750 { .command = "next-space",
2751 .minargs = 0,
2752 .maxargs = 0,
2753 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2754 .f = window_copy_cmd_next_space
2755 },
2756 { .command = "next-space-end",
2757 .minargs = 0,
2758 .maxargs = 0,
2759 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2760 .f = window_copy_cmd_next_space_end
2761 },
2762 { .command = "next-word",
2763 .minargs = 0,
2764 .maxargs = 0,
2765 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2766 .f = window_copy_cmd_next_word
2767 },
2768 { .command = "next-word-end",
2769 .minargs = 0,
2770 .maxargs = 0,
2771 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2772 .f = window_copy_cmd_next_word_end
2773 },
2774 { .command = "other-end",
2775 .minargs = 0,
2776 .maxargs = 0,
2777 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2778 .f = window_copy_cmd_other_end
2779 },
2780 { .command = "page-down",
2781 .minargs = 0,
2782 .maxargs = 0,
2783 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2784 .f = window_copy_cmd_page_down
2785 },
2786 { .command = "page-down-and-cancel",
2787 .minargs = 0,
2788 .maxargs = 0,
2789 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2790 .f = window_copy_cmd_page_down_and_cancel
2791 },
2792 { .command = "page-up",
2793 .minargs = 0,
2794 .maxargs = 0,
2795 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2796 .f = window_copy_cmd_page_up
2797 },
2798 { .command = "pipe-no-clear",
2799 .minargs = 0,
2800 .maxargs = 1,
2801 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2802 .f = window_copy_cmd_pipe_no_clear
2803 },
2804 { .command = "pipe",
2805 .minargs = 0,
2806 .maxargs = 1,
2807 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2808 .f = window_copy_cmd_pipe
2809 },
2810 { .command = "pipe-and-cancel",
2811 .minargs = 0,
2812 .maxargs = 1,
2813 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2814 .f = window_copy_cmd_pipe_and_cancel
2815 },
2816 { .command = "previous-matching-bracket",
2817 .minargs = 0,
2818 .maxargs = 0,
2819 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2820 .f = window_copy_cmd_previous_matching_bracket
2821 },
2822 { .command = "previous-paragraph",
2823 .minargs = 0,
2824 .maxargs = 0,
2825 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2826 .f = window_copy_cmd_previous_paragraph
2827 },
2828 { .command = "previous-space",
2829 .minargs = 0,
2830 .maxargs = 0,
2831 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2832 .f = window_copy_cmd_previous_space
2833 },
2834 { .command = "previous-word",
2835 .minargs = 0,
2836 .maxargs = 0,
2837 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2838 .f = window_copy_cmd_previous_word
2839 },
2840 { .command = "rectangle-on",
2841 .minargs = 0,
2842 .maxargs = 0,
2843 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2844 .f = window_copy_cmd_rectangle_on
2845 },
2846 { .command = "rectangle-off",
2847 .minargs = 0,
2848 .maxargs = 0,
2849 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2850 .f = window_copy_cmd_rectangle_off
2851 },
2852 { .command = "rectangle-toggle",
2853 .minargs = 0,
2854 .maxargs = 0,
2855 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2856 .f = window_copy_cmd_rectangle_toggle
2857 },
2858 { .command = "refresh-from-pane",
2859 .minargs = 0,
2860 .maxargs = 0,
2861 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2862 .f = window_copy_cmd_refresh_from_pane
2863 },
2864 { .command = "scroll-bottom",
2865 .minargs = 0,
2866 .maxargs = 0,
2867 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2868 .f = window_copy_cmd_scroll_bottom
2869 },
2870 { .command = "scroll-down",
2871 .minargs = 0,
2872 .maxargs = 0,
2873 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2874 .f = window_copy_cmd_scroll_down
2875 },
2876 { .command = "scroll-down-and-cancel",
2877 .minargs = 0,
2878 .maxargs = 0,
2879 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2880 .f = window_copy_cmd_scroll_down_and_cancel
2881 },
2882 { .command = "scroll-middle",
2883 .minargs = 0,
2884 .maxargs = 0,
2885 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2886 .f = window_copy_cmd_scroll_middle
2887 },
2888 { .command = "scroll-top",
2889 .minargs = 0,
2890 .maxargs = 0,
2891 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2892 .f = window_copy_cmd_scroll_top
2893 },
2894 { .command = "scroll-up",
2895 .minargs = 0,
2896 .maxargs = 0,
2897 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2898 .f = window_copy_cmd_scroll_up
2899 },
2900 { .command = "search-again",
2901 .minargs = 0,
2902 .maxargs = 0,
2903 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2904 .f = window_copy_cmd_search_again
2905 },
2906 { .command = "search-backward",
2907 .minargs = 0,
2908 .maxargs = 1,
2909 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2910 .f = window_copy_cmd_search_backward
2911 },
2912 { .command = "search-backward-text",
2913 .minargs = 0,
2914 .maxargs = 1,
2915 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2916 .f = window_copy_cmd_search_backward_text
2917 },
2918 { .command = "search-backward-incremental",
2919 .minargs = 1,
2920 .maxargs = 1,
2921 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2922 .f = window_copy_cmd_search_backward_incremental
2923 },
2924 { .command = "search-forward",
2925 .minargs = 0,
2926 .maxargs = 1,
2927 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2928 .f = window_copy_cmd_search_forward
2929 },
2930 { .command = "search-forward-text",
2931 .minargs = 0,
2932 .maxargs = 1,
2933 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2934 .f = window_copy_cmd_search_forward_text
2935 },
2936 { .command = "search-forward-incremental",
2937 .minargs = 1,
2938 .maxargs = 1,
2939 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2940 .f = window_copy_cmd_search_forward_incremental
2941 },
2942 { .command = "search-reverse",
2943 .minargs = 0,
2944 .maxargs = 0,
2945 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2946 .f = window_copy_cmd_search_reverse
2947 },
2948 { .command = "select-line",
2949 .minargs = 0,
2950 .maxargs = 0,
2951 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2952 .f = window_copy_cmd_select_line
2953 },
2954 { .command = "select-word",
2955 .minargs = 0,
2956 .maxargs = 0,
2957 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2958 .f = window_copy_cmd_select_word
2959 },
2960 { .command = "set-mark",
2961 .minargs = 0,
2962 .maxargs = 0,
2963 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2964 .f = window_copy_cmd_set_mark
2965 },
2966 { .command = "start-of-line",
2967 .minargs = 0,
2968 .maxargs = 0,
2969 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2970 .f = window_copy_cmd_start_of_line
2971 },
2972 { .command = "stop-selection",
2973 .minargs = 0,
2974 .maxargs = 0,
2975 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2976 .f = window_copy_cmd_stop_selection
2977 },
2978 { .command = "toggle-position",
2979 .minargs = 0,
2980 .maxargs = 0,
2981 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2982 .f = window_copy_cmd_toggle_position
2983 },
2984 { .command = "top-line",
2985 .minargs = 0,
2986 .maxargs = 0,
2987 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2988 .f = window_copy_cmd_top_line
2989 }
2990 };
2991
2992 static void
2993 window_copy_command(struct window_mode_entry *wme, struct client *c,
2994 struct session *s, struct winlink *wl, struct args *args,
2995 struct mouse_event *m)
2996 {
2997 struct window_copy_mode_data *data = wme->data;
2998 struct window_copy_cmd_state cs;
2999 enum window_copy_cmd_action action;
3000 enum window_copy_cmd_clear clear = WINDOW_COPY_CMD_CLEAR_NEVER;
3001 const char *command;
3002 u_int i, count = args_count(args);
3003 int keys;
3004
3005 if (count == 0)
3006 return;
3007 command = args_string(args, 0);
3008
3009 if (m != NULL && m->valid && !MOUSE_WHEEL(m->b))
3010 window_copy_move_mouse(m);
3011
3012 cs.wme = wme;
3013 cs.args = args;
3014 cs.m = m;
3015
3016 cs.c = c;
3017 cs.s = s;
3018 cs.wl = wl;
3019
3020 action = WINDOW_COPY_CMD_NOTHING;
3021 for (i = 0; i < nitems(window_copy_cmd_table); i++) {
3022 if (strcmp(window_copy_cmd_table[i].command, command) == 0) {
3023 if (count - 1 < window_copy_cmd_table[i].minargs ||
3024 count - 1 > window_copy_cmd_table[i].maxargs)
3025 break;
3026 clear = window_copy_cmd_table[i].clear;
3027 action = window_copy_cmd_table[i].f(&cs);
3028 break;
3029 }
3030 }
3031
3032 if (strncmp(command, "search-", 7) != 0 && data->searchmark != NULL) {
3033 keys = options_get_number(wme->wp->window->options, "mode-keys");
3034 if (clear == WINDOW_COPY_CMD_CLEAR_EMACS_ONLY &&
3035 keys == MODEKEY_VI)
3036 clear = WINDOW_COPY_CMD_CLEAR_NEVER;
3037 if (clear != WINDOW_COPY_CMD_CLEAR_NEVER) {
3038 window_copy_clear_marks(wme);
3039 data->searchx = data->searchy = -1;
3040 }
3041 if (action == WINDOW_COPY_CMD_NOTHING)
3042 action = WINDOW_COPY_CMD_REDRAW;
3043 }
3044 wme->prefix = 1;
3045
3046 if (action == WINDOW_COPY_CMD_CANCEL)
3047 window_pane_reset_mode(wme->wp);
3048 else if (action == WINDOW_COPY_CMD_REDRAW)
3049 window_copy_redraw_screen(wme);
3050 }
3051
3052 static void
3053 window_copy_scroll_to(struct window_mode_entry *wme, u_int px, u_int py,
3054 int no_redraw)
3055 {
3056 struct window_copy_mode_data *data = wme->data;
3057 struct grid *gd = data->backing->grid;
3058 u_int offset, gap;
3059
3060 data->cx = px;
3061
3062 if (py >= gd->hsize - data->oy && py < gd->hsize - data->oy + gd->sy)
3063 data->cy = py - (gd->hsize - data->oy);
3064 else {
3065 gap = gd->sy / 4;
3066 if (py < gd->sy) {
3067 offset = 0;
3068 data->cy = py;
3069 } else if (py > gd->hsize + gd->sy - gap) {
3070 offset = gd->hsize;
3071 data->cy = py - gd->hsize;
3072 } else {
3073 offset = py + gap - gd->sy;
3074 data->cy = py - offset;
3075 }
3076 data->oy = gd->hsize - offset;
3077 }
3078
3079 if (!no_redraw && data->searchmark != NULL && !data->timeout)
3080 window_copy_search_marks(wme, NULL, data->searchregex, 1);
3081 window_copy_update_selection(wme, 1, 0);
3082 if (!no_redraw)
3083 window_copy_redraw_screen(wme);
3084 }
3085
3086 static int
3087 window_copy_search_compare(struct grid *gd, u_int px, u_int py,
3088 struct grid *sgd, u_int spx, int cis)
3089 {
3090 struct grid_cell gc, sgc;
3091 const struct utf8_data *ud, *sud;
3092
3093 grid_get_cell(gd, px, py, &gc);
3094 ud = &gc.data;
3095 grid_get_cell(sgd, spx, 0, &sgc);
3096 sud = &sgc.data;
3097
3098 if (ud->size != sud->size || ud->width != sud->width)
3099 return (0);
3100
3101 if (cis && ud->size == 1)
3102 return (tolower(ud->data[0]) == sud->data[0]);
3103
3104 return (memcmp(ud->data, sud->data, ud->size) == 0);
3105 }
3106
3107 static int
3108 window_copy_search_lr(struct grid *gd, struct grid *sgd, u_int *ppx, u_int py,
3109 u_int first, u_int last, int cis)
3110 {
3111 u_int ax, bx, px, pywrap, endline;
3112 int matched;
3113 struct grid_line *gl;
3114
3115 endline = gd->hsize + gd->sy - 1;
3116 for (ax = first; ax < last; ax++) {
3117 for (bx = 0; bx < sgd->sx; bx++) {
3118 px = ax + bx;
3119 pywrap = py;
3120 /* Wrap line. */
3121 while (px >= gd->sx && pywrap < endline) {
3122 gl = grid_get_line(gd, pywrap);
3123 if (~gl->flags & GRID_LINE_WRAPPED)
3124 break;
3125 px -= gd->sx;
3126 pywrap++;
3127 }
3128 /* We have run off the end of the grid. */
3129 if (px >= gd->sx)
3130 break;
3131 matched = window_copy_search_compare(gd, px, pywrap,
3132 sgd, bx, cis);
3133 if (!matched)
3134 break;
3135 }
3136 if (bx == sgd->sx) {
3137 *ppx = ax;
3138 return (1);
3139 }
3140 }
3141 return (0);
3142 }
3143
3144 static int
3145 window_copy_search_rl(struct grid *gd,
3146 struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
3147 {
3148 u_int ax, bx, px, pywrap, endline;
3149 int matched;
3150 struct grid_line *gl;
3151
3152 endline = gd->hsize + gd->sy - 1;
3153 for (ax = last; ax > first; ax--) {
3154 for (bx = 0; bx < sgd->sx; bx++) {
3155 px = ax - 1 + bx;
3156 pywrap = py;
3157 /* Wrap line. */
3158 while (px >= gd->sx && pywrap < endline) {
3159 gl = grid_get_line(gd, pywrap);
3160 if (~gl->flags & GRID_LINE_WRAPPED)
3161 break;
3162 px -= gd->sx;
3163 pywrap++;
3164 }
3165 /* We have run off the end of the grid. */
3166 if (px >= gd->sx)
3167 break;
3168 matched = window_copy_search_compare(gd, px, pywrap,
3169 sgd, bx, cis);
3170 if (!matched)
3171 break;
3172 }
3173 if (bx == sgd->sx) {
3174 *ppx = ax - 1;
3175 return (1);
3176 }
3177 }
3178 return (0);
3179 }
3180
3181 static int
3182 window_copy_search_lr_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
3183 u_int first, u_int last, regex_t *reg)
3184 {
3185 int eflags = 0;
3186 u_int endline, foundx, foundy, len, pywrap, size = 1;
3187 char *buf;
3188 regmatch_t regmatch;
3189 struct grid_line *gl;
3190
3191 /*
3192 * This can happen during search if the last match was the last
3193 * character on a line.
3194 */
3195 if (first >= last)
3196 return (0);
3197
3198 /* Set flags for regex search. */
3199 if (first != 0)
3200 eflags |= REG_NOTBOL;
3201
3202 /* Need to look at the entire string. */
3203 buf = xmalloc(size);
3204 buf[0] = '\0';
3205 buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
3206 len = gd->sx - first;
3207 endline = gd->hsize + gd->sy - 1;
3208 pywrap = py;
3209 while (buf != NULL &&
3210 pywrap <= endline &&
3211 len < WINDOW_COPY_SEARCH_MAX_LINE) {
3212 gl = grid_get_line(gd, pywrap);
3213 if (~gl->flags & GRID_LINE_WRAPPED)
3214 break;
3215 pywrap++;
3216 buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
3217 len += gd->sx;
3218 }
3219
3220 if (regexec(reg, buf, 1, &regmatch, eflags) == 0 &&
3221 regmatch.rm_so != regmatch.rm_eo) {
3222 foundx = first;
3223 foundy = py;
3224 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3225 buf + regmatch.rm_so);
3226 if (foundy == py && foundx < last) {
3227 *ppx = foundx;
3228 len -= foundx - first;
3229 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3230 buf + regmatch.rm_eo);
3231 *psx = foundx;
3232 while (foundy > py) {
3233 *psx += gd->sx;
3234 foundy--;
3235 }
3236 *psx -= *ppx;
3237 free(buf);
3238 return (1);
3239 }
3240 }
3241
3242 free(buf);
3243 *ppx = 0;
3244 *psx = 0;
3245 return (0);
3246 }
3247
3248 static int
3249 window_copy_search_rl_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
3250 u_int first, u_int last, regex_t *reg)
3251 {
3252 int eflags = 0;
3253 u_int endline, len, pywrap, size = 1;
3254 char *buf;
3255 struct grid_line *gl;
3256
3257 /* Set flags for regex search. */
3258 if (first != 0)
3259 eflags |= REG_NOTBOL;
3260
3261 /* Need to look at the entire string. */
3262 buf = xmalloc(size);
3263 buf[0] = '\0';
3264 buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
3265 len = gd->sx - first;
3266 endline = gd->hsize + gd->sy - 1;
3267 pywrap = py;
3268 while (buf != NULL &&
3269 pywrap <= endline &&
3270 len < WINDOW_COPY_SEARCH_MAX_LINE) {
3271 gl = grid_get_line(gd, pywrap);
3272 if (~gl->flags & GRID_LINE_WRAPPED)
3273 break;
3274 pywrap++;
3275 buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
3276 len += gd->sx;
3277 }
3278
3279 if (window_copy_last_regex(gd, py, first, last, len, ppx, psx, buf,
3280 reg, eflags))
3281 {
3282 free(buf);
3283 return (1);
3284 }
3285
3286 free(buf);
3287 *ppx = 0;
3288 *psx = 0;
3289 return (0);
3290 }
3291
3292 static const char *
3293 window_copy_cellstring(const struct grid_line *gl, u_int px, size_t *size,
3294 int *allocated)
3295 {
3296 static struct utf8_data ud;
3297 struct grid_cell_entry *gce;
3298 char *copy;
3299
3300 if (px >= gl->cellsize) {
3301 *size = 1;
3302 *allocated = 0;
3303 return (" ");
3304 }
3305
3306 gce = &gl->celldata[px];
3307 if (gce->flags & GRID_FLAG_PADDING) {
3308 *size = 0;
3309 *allocated = 0;
3310 return (NULL);
3311 }
3312 if (~gce->flags & GRID_FLAG_EXTENDED) {
3313 *size = 1;
3314 *allocated = 0;
3315 return (&gce->data.data);
3316 }
3317
3318 utf8_to_data(gl->extddata[gce->offset].data, &ud);
3319 if (ud.size == 0) {
3320 *size = 0;
3321 *allocated = 0;
3322 return (NULL);
3323 }
3324 *size = ud.size;
3325 *allocated = 1;
3326
3327 copy = xmalloc(ud.size);
3328 memcpy(copy, ud.data, ud.size);
3329 return (copy);
3330 }
3331
3332 /* Find last match in given range. */
3333 static int
3334 window_copy_last_regex(struct grid *gd, u_int py, u_int first, u_int last,
3335 u_int len, u_int *ppx, u_int *psx, const char *buf, const regex_t *preg,
3336 int eflags)
3337 {
3338 u_int foundx, foundy, oldx, px = 0, savepx, savesx = 0;
3339 regmatch_t regmatch;
3340
3341 foundx = first;
3342 foundy = py;
3343 oldx = first;
3344 while (regexec(preg, buf + px, 1, &regmatch, eflags) == 0) {
3345 if (regmatch.rm_so == regmatch.rm_eo)
3346 break;
3347 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3348 buf + px + regmatch.rm_so);
3349 if (foundy > py || foundx >= last)
3350 break;
3351 len -= foundx - oldx;
3352 savepx = foundx;
3353 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3354 buf + px + regmatch.rm_eo);
3355 if (foundy > py || foundx >= last) {
3356 *ppx = savepx;
3357 *psx = foundx;
3358 while (foundy > py) {
3359 *psx += gd->sx;
3360 foundy--;
3361 }
3362 *psx -= *ppx;
3363 return (1);
3364 } else {
3365 savesx = foundx - savepx;
3366 len -= savesx;
3367 oldx = foundx;
3368 }
3369 px += regmatch.rm_eo;
3370 }
3371
3372 if (savesx > 0) {
3373 *ppx = savepx;
3374 *psx = savesx;
3375 return (1);
3376 } else {
3377 *ppx = 0;
3378 *psx = 0;
3379 return (0);
3380 }
3381 }
3382
3383 /* Stringify line and append to input buffer. Caller frees. */
3384 static char *
3385 window_copy_stringify(struct grid *gd, u_int py, u_int first, u_int last,
3386 char *buf, u_int *size)
3387 {
3388 u_int ax, bx, newsize = *size;
3389 const struct grid_line *gl;
3390 const char *d;
3391 size_t bufsize = 1024, dlen;
3392 int allocated;
3393
3394 while (bufsize < newsize)
3395 bufsize *= 2;
3396 buf = xrealloc(buf, bufsize);
3397
3398 gl = grid_peek_line(gd, py);
3399 bx = *size - 1;
3400 for (ax = first; ax < last; ax++) {
3401 d = window_copy_cellstring(gl, ax, &dlen, &allocated);
3402 newsize += dlen;
3403 while (bufsize < newsize) {
3404 bufsize *= 2;
3405 buf = xrealloc(buf, bufsize);
3406 }
3407 if (dlen == 1)
3408 buf[bx++] = *d;
3409 else {
3410 memcpy(buf + bx, d, dlen);
3411 bx += dlen;
3412 }
3413 if (allocated)
3414 free((void *)d);
3415 }
3416 buf[newsize - 1] = '\0';
3417
3418 *size = newsize;
3419 return (buf);
3420 }
3421
3422 /* Map start of C string containing UTF-8 data to grid cell position. */
3423 static void
3424 window_copy_cstrtocellpos(struct grid *gd, u_int ncells, u_int *ppx, u_int *ppy,
3425 const char *str)
3426 {
3427 u_int cell, ccell, px, pywrap, pos, len;
3428 int match;
3429 const struct grid_line *gl;
3430 const char *d;
3431 size_t dlen;
3432 struct {
3433 const char *d;
3434 size_t dlen;
3435 int allocated;
3436 } *cells;
3437
3438 /* Populate the array of cell data. */
3439 cells = xreallocarray(NULL, ncells, sizeof cells[0]);
3440 cell = 0;
3441 px = *ppx;
3442 pywrap = *ppy;
3443 gl = grid_peek_line(gd, pywrap);
3444 while (cell < ncells) {
3445 cells[cell].d = window_copy_cellstring(gl, px,
3446 &cells[cell].dlen, &cells[cell].allocated);
3447 cell++;
3448 px++;
3449 if (px == gd->sx) {
3450 px = 0;
3451 pywrap++;
3452 gl = grid_peek_line(gd, pywrap);
3453 }
3454 }
3455
3456 /* Locate starting cell. */
3457 cell = 0;
3458 len = strlen(str);
3459 while (cell < ncells) {
3460 ccell = cell;
3461 pos = 0;
3462 match = 1;
3463 while (ccell < ncells) {
3464 if (str[pos] == '\0') {
3465 match = 0;
3466 break;
3467 }
3468 d = cells[ccell].d;
3469 dlen = cells[ccell].dlen;
3470 if (dlen == 1) {
3471 if (str[pos] != *d) {
3472 match = 0;
3473 break;
3474 }
3475 pos++;
3476 } else {
3477 if (dlen > len - pos)
3478 dlen = len - pos;
3479 if (memcmp(str + pos, d, dlen) != 0) {
3480 match = 0;
3481 break;
3482 }
3483 pos += dlen;
3484 }
3485 ccell++;
3486 }
3487 if (match)
3488 break;
3489 cell++;
3490 }
3491
3492 /* If not found this will be one past the end. */
3493 px = *ppx + cell;
3494 pywrap = *ppy;
3495 while (px >= gd->sx) {
3496 px -= gd->sx;
3497 pywrap++;
3498 }
3499
3500 *ppx = px;
3501 *ppy = pywrap;
3502
3503 /* Free cell data. */
3504 for (cell = 0; cell < ncells; cell++) {
3505 if (cells[cell].allocated)
3506 free((void *)cells[cell].d);
3507 }
3508 free(cells);
3509 }
3510
3511 static void
3512 window_copy_move_left(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
3513 {
3514 if (*fx == 0) { /* left */
3515 if (*fy == 0) { /* top */
3516 if (wrapflag) {
3517 *fx = screen_size_x(s) - 1;
3518 *fy = screen_hsize(s) + screen_size_y(s) - 1;
3519 }
3520 return;
3521 }
3522 *fx = screen_size_x(s) - 1;
3523 *fy = *fy - 1;
3524 } else
3525 *fx = *fx - 1;
3526 }
3527
3528 static void
3529 window_copy_move_right(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
3530 {
3531 if (*fx == screen_size_x(s) - 1) { /* right */
3532 if (*fy == screen_hsize(s) + screen_size_y(s) - 1) { /* bottom */
3533 if (wrapflag) {
3534 *fx = 0;
3535 *fy = 0;
3536 }
3537 return;
3538 }
3539 *fx = 0;
3540 *fy = *fy + 1;
3541 } else
3542 *fx = *fx + 1;
3543 }
3544
3545 static int
3546 window_copy_is_lowercase(const char *ptr)
3547 {
3548 while (*ptr != '\0') {
3549 if (*ptr != tolower((u_char)*ptr))
3550 return (0);
3551 ++ptr;
3552 }
3553 return (1);
3554 }
3555
3556 /*
3557 * Handle backward wrapped regex searches with overlapping matches. In this case
3558 * find the longest overlapping match from previous wrapped lines.
3559 */
3560 static void
3561 window_copy_search_back_overlap(struct grid *gd, regex_t *preg, u_int *ppx,
3562 u_int *psx, u_int *ppy, u_int endline)
3563 {
3564 u_int endx, endy, oldendx, oldendy, px, py, sx;
3565 int found = 1;
3566
3567 oldendx = *ppx + *psx;
3568 oldendy = *ppy - 1;
3569 while (oldendx > gd->sx - 1) {
3570 oldendx -= gd->sx;
3571 oldendy++;
3572 }
3573 endx = oldendx;
3574 endy = oldendy;
3575 px = *ppx;
3576 py = *ppy;
3577 while (found && px == 0 && py - 1 > endline &&
3578 grid_get_line(gd, py - 2)->flags & GRID_LINE_WRAPPED &&
3579 endx == oldendx && endy == oldendy) {
3580 py--;
3581 found = window_copy_search_rl_regex(gd, &px, &sx, py - 1, 0,
3582 gd->sx, preg);
3583 if (found) {
3584 endx = px + sx;
3585 endy = py - 1;
3586 while (endx > gd->sx - 1) {
3587 endx -= gd->sx;
3588 endy++;
3589 }
3590 if (endx == oldendx && endy == oldendy) {
3591 *ppx = px;
3592 *ppy = py;
3593 }
3594 }
3595 }
3596 }
3597
3598 /*
3599 * Search for text stored in sgd starting from position fx,fy up to endline. If
3600 * found, jump to it. If cis then ignore case. The direction is 0 for searching
3601 * up, down otherwise. If wrap then go to begin/end of grid and try again if
3602 * not found.
3603 */
3604 static int
3605 window_copy_search_jump(struct window_mode_entry *wme, struct grid *gd,
3606 struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
3607 int direction, int regex)
3608 {
3609 u_int i, px, sx, ssize = 1;
3610 int found = 0, cflags = REG_EXTENDED;
3611 char *sbuf;
3612 regex_t reg;
3613 struct grid_line *gl;
3614
3615 if (regex) {
3616 sbuf = xmalloc(ssize);
3617 sbuf[0] = '\0';
3618 sbuf = window_copy_stringify(sgd, 0, 0, sgd->sx, sbuf, &ssize);
3619 if (cis)
3620 cflags |= REG_ICASE;
3621 if (regcomp(&reg, sbuf, cflags) != 0) {
3622 free(sbuf);
3623 return (0);
3624 }
3625 free(sbuf);
3626 }
3627
3628 if (direction) {
3629 for (i = fy; i <= endline; i++) {
3630 gl = grid_get_line(gd, i);
3631 if (i != endline && gl->flags & GRID_LINE_WRAPPED)
3632 continue;
3633 if (regex) {
3634 found = window_copy_search_lr_regex(gd,
3635 &px, &sx, i, fx, gd->sx, &reg);
3636 } else {
3637 found = window_copy_search_lr(gd, sgd,
3638 &px, i, fx, gd->sx, cis);
3639 }
3640 if (found)
3641 break;
3642 fx = 0;
3643 }
3644 } else {
3645 for (i = fy + 1; endline < i; i--) {
3646 gl = grid_get_line(gd, i - 1);
3647 if (i != endline && gl->flags & GRID_LINE_WRAPPED)
3648 continue;
3649 if (regex) {
3650 found = window_copy_search_rl_regex(gd,
3651 &px, &sx, i - 1, 0, fx + 1, &reg);
3652 if (found) {
3653 window_copy_search_back_overlap(gd,
3654 &reg, &px, &sx, &i, endline);
3655 }
3656 } else {
3657 found = window_copy_search_rl(gd, sgd,
3658 &px, i - 1, 0, fx + 1, cis);
3659 }
3660 if (found) {
3661 i--;
3662 break;
3663 }
3664 fx = gd->sx - 1;
3665 }
3666 }
3667 if (regex)
3668 regfree(&reg);
3669
3670 if (found) {
3671 window_copy_scroll_to(wme, px, i, 1);
3672 return (1);
3673 }
3674 if (wrap) {
3675 return (window_copy_search_jump(wme, gd, sgd,
3676 direction ? 0 : gd->sx - 1,
3677 direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
3678 direction, regex));
3679 }
3680 return (0);
3681 }
3682
3683 static void
3684 window_copy_move_after_search_mark(struct window_copy_mode_data *data,
3685 u_int *fx, u_int *fy, int wrapflag)
3686 {
3687 struct screen *s = data->backing;
3688 u_int at, start;
3689
3690 if (window_copy_search_mark_at(data, *fx, *fy, &start) == 0 &&
3691 data->searchmark[start] != 0) {
3692 while (window_copy_search_mark_at(data, *fx, *fy, &at) == 0) {
3693 if (data->searchmark[at] != data->searchmark[start])
3694 break;
3695 /* Stop if not wrapping and at the end of the grid. */
3696 if (!wrapflag &&
3697 *fx == screen_size_x(s) - 1 &&
3698 *fy == screen_hsize(s) + screen_size_y(s) - 1)
3699 break;
3700
3701 window_copy_move_right(s, fx, fy, wrapflag);
3702 }
3703 }
3704 }
3705
3706 /*
3707 * Search in for text searchstr. If direction is 0 then search up, otherwise
3708 * down.
3709 */
3710 static int
3711 window_copy_search(struct window_mode_entry *wme, int direction, int regex)
3712 {
3713 struct window_pane *wp = wme->wp;
3714 struct window_copy_mode_data *data = wme->data;
3715 struct screen *s = data->backing, ss;
3716 struct screen_write_ctx ctx;
3717 struct grid *gd = s->grid;
3718 const char *str = data->searchstr;
3719 u_int at, endline, fx, fy, start;
3720 int cis, found, keys, visible_only;
3721 int wrapflag;
3722
3723 if (regex && str[strcspn(str, "^$*+()?[].\\")] == '\0')
3724 regex = 0;
3725
3726 data->searchdirection = direction;
3727
3728 if (data->timeout)
3729 return (0);
3730
3731 if (data->searchall || wp->searchstr == NULL ||
3732 wp->searchregex != regex) {
3733 visible_only = 0;
3734 data->searchall = 0;
3735 } else
3736 visible_only = (strcmp(wp->searchstr, str) == 0);
3737 if (visible_only == 0 && data->searchmark != NULL)
3738 window_copy_clear_marks(wme);
3739 free(wp->searchstr);
3740 wp->searchstr = xstrdup(str);
3741 wp->searchregex = regex;
3742
3743 fx = data->cx;
3744 fy = screen_hsize(data->backing) - data->oy + data->cy;
3745
3746 screen_init(&ss, screen_write_strlen("%s", str), 1, 0);
3747 screen_write_start(&ctx, &ss);
3748 screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", str);
3749 screen_write_stop(&ctx);
3750
3751 wrapflag = options_get_number(wp->window->options, "wrap-search");
3752 cis = window_copy_is_lowercase(str);
3753
3754 keys = options_get_number(wp->window->options, "mode-keys");
3755
3756 if (direction) {
3757 /*
3758 * Behave according to mode-keys. If it is emacs, search forward
3759 * leaves the cursor after the match. If it is vi, the cursor
3760 * remains at the beginning of the match, regardless of
3761 * direction, which means that we need to start the next search
3762 * after the term the cursor is currently on when searching
3763 * forward.
3764 */
3765 if (keys == MODEKEY_VI) {
3766 if (data->searchmark != NULL)
3767 window_copy_move_after_search_mark(data, &fx,
3768 &fy, wrapflag);
3769 else {
3770 /*
3771 * When there are no search marks, start the
3772 * search after the current cursor position.
3773 */
3774 window_copy_move_right(s, &fx, &fy, wrapflag);
3775 }
3776 }
3777 endline = gd->hsize + gd->sy - 1;
3778 } else {
3779 window_copy_move_left(s, &fx, &fy, wrapflag);
3780 endline = 0;
3781 }
3782
3783 found = window_copy_search_jump(wme, gd, ss.grid, fx, fy, endline, cis,
3784 wrapflag, direction, regex);
3785 if (found) {
3786 window_copy_search_marks(wme, &ss, regex, visible_only);
3787 fx = data->cx;
3788 fy = screen_hsize(data->backing) - data->oy + data->cy;
3789
3790 /*
3791 * When searching forward, if the cursor is not at the beginning
3792 * of the mark, search again.
3793 */
3794 if (direction &&
3795 window_copy_search_mark_at(data, fx, fy, &at) == 0 &&
3796 at > 0 &&
3797 data->searchmark != NULL &&
3798 data->searchmark[at] == data->searchmark[at - 1]) {
3799 window_copy_move_after_search_mark(data, &fx, &fy,
3800 wrapflag);
3801 window_copy_search_jump(wme, gd, ss.grid, fx,
3802 fy, endline, cis, wrapflag, direction,
3803 regex);
3804 fx = data->cx;
3805 fy = screen_hsize(data->backing) - data->oy + data->cy;
3806 }
3807
3808 if (direction) {
3809 /*
3810 * When in Emacs mode, position the cursor just after
3811 * the mark.
3812 */
3813 if (keys == MODEKEY_EMACS) {
3814 window_copy_move_after_search_mark(data, &fx,
3815 &fy, wrapflag);
3816 data->cx = fx;
3817 data->cy = fy - screen_hsize(data->backing) +
3818 data-> oy;
3819 }
3820 } else {
3821 /*
3822 * When searching backward, position the cursor at the
3823 * beginning of the mark.
3824 */
3825 if (window_copy_search_mark_at(data, fx, fy,
3826 &start) == 0) {
3827 while (window_copy_search_mark_at(data, fx, fy,
3828 &at) == 0 &&
3829 data->searchmark != NULL &&
3830 data->searchmark[at] ==
3831 data->searchmark[start]) {
3832 data->cx = fx;
3833 data->cy = fy -
3834 screen_hsize(data->backing) +
3835 data-> oy;
3836 if (at == 0)
3837 break;
3838
3839 window_copy_move_left(s, &fx, &fy, 0);
3840 }
3841 }
3842 }
3843 }
3844 window_copy_redraw_screen(wme);
3845
3846 screen_free(&ss);
3847 return (found);
3848 }
3849
3850 static void
3851 window_copy_visible_lines(struct window_copy_mode_data *data, u_int *start,
3852 u_int *end)
3853 {
3854 struct grid *gd = data->backing->grid;
3855 const struct grid_line *gl;
3856
3857 for (*start = gd->hsize - data->oy; *start > 0; (*start)--) {
3858 gl = grid_peek_line(gd, (*start) - 1);
3859 if (~gl->flags & GRID_LINE_WRAPPED)
3860 break;
3861 }
3862 *end = gd->hsize - data->oy + gd->sy;
3863 }
3864
3865 static int
3866 window_copy_search_mark_at(struct window_copy_mode_data *data, u_int px,
3867 u_int py, u_int *at)
3868 {
3869 struct screen *s = data->backing;
3870 struct grid *gd = s->grid;
3871
3872 if (py < gd->hsize - data->oy)
3873 return (-1);
3874 if (py > gd->hsize - data->oy + gd->sy - 1)
3875 return (-1);
3876 *at = ((py - (gd->hsize - data->oy)) * gd->sx) + px;
3877 return (0);
3878 }
3879
3880 static int
3881 window_copy_search_marks(struct window_mode_entry *wme, struct screen *ssp,
3882 int regex, int visible_only)
3883 {
3884 struct window_copy_mode_data *data = wme->data;
3885 struct screen *s = data->backing, ss;
3886 struct screen_write_ctx ctx;
3887 struct grid *gd = s->grid;
3888 int found, cis, stopped = 0;
3889 int cflags = REG_EXTENDED;
3890 u_int px, py, i, b, nfound = 0, width;
3891 u_int ssize = 1, start, end;
3892 char *sbuf;
3893 regex_t reg;
3894 uint64_t stop = 0, tstart, t;
3895
3896 if (ssp == NULL) {
3897 width = screen_write_strlen("%s", data->searchstr);
3898 screen_init(&ss, width, 1, 0);
3899 screen_write_start(&ctx, &ss);
3900 screen_write_nputs(&ctx, -1, &grid_default_cell, "%s",
3901 data->searchstr);
3902 screen_write_stop(&ctx);
3903 ssp = &ss;
3904 } else
3905 width = screen_size_x(ssp);
3906
3907 cis = window_copy_is_lowercase(data->searchstr);
3908
3909 if (regex) {
3910 sbuf = xmalloc(ssize);
3911 sbuf[0] = '\0';
3912 sbuf = window_copy_stringify(ssp->grid, 0, 0, ssp->grid->sx,
3913 sbuf, &ssize);
3914 if (cis)
3915 cflags |= REG_ICASE;
3916 if (regcomp(&reg, sbuf, cflags) != 0) {
3917 free(sbuf);
3918 return (0);
3919 }
3920 free(sbuf);
3921 }
3922 tstart = get_timer();
3923
3924 if (visible_only)
3925 window_copy_visible_lines(data, &start, &end);
3926 else {
3927 start = 0;
3928 end = gd->hsize + gd->sy;
3929 stop = get_timer() + WINDOW_COPY_SEARCH_ALL_TIMEOUT;
3930 }
3931
3932 again:
3933 free(data->searchmark);
3934 data->searchmark = xcalloc(gd->sx, gd->sy);
3935 data->searchgen = 1;
3936
3937 for (py = start; py < end; py++) {
3938 px = 0;
3939 for (;;) {
3940 if (regex) {
3941 found = window_copy_search_lr_regex(gd,
3942 &px, &width, py, px, gd->sx, &reg);
3943 if (!found)
3944 break;
3945 } else {
3946 found = window_copy_search_lr(gd, ssp->grid,
3947 &px, py, px, gd->sx, cis);
3948 if (!found)
3949 break;
3950 }
3951 nfound++;
3952
3953 if (window_copy_search_mark_at(data, px, py, &b) == 0) {
3954 if (b + width > gd->sx * gd->sy)
3955 width = (gd->sx * gd->sy) - b;
3956 for (i = b; i < b + width; i++) {
3957 if (data->searchmark[i] != 0)
3958 continue;
3959 data->searchmark[i] = data->searchgen;
3960 }
3961 if (data->searchgen == UCHAR_MAX)
3962 data->searchgen = 1;
3963 else
3964 data->searchgen++;
3965 }
3966 px += width;
3967 }
3968
3969 t = get_timer();
3970 if (t - tstart > WINDOW_COPY_SEARCH_TIMEOUT) {
3971 data->timeout = 1;
3972 break;
3973 }
3974 if (stop != 0 && t > stop) {
3975 stopped = 1;
3976 break;
3977 }
3978 }
3979 if (data->timeout) {
3980 window_copy_clear_marks(wme);
3981 goto out;
3982 }
3983
3984 if (stopped && stop != 0) {
3985 /* Try again but just the visible context. */
3986 window_copy_visible_lines(data, &start, &end);
3987 stop = 0;
3988 goto again;
3989 }
3990
3991 if (!visible_only) {
3992 if (stopped) {
3993 if (nfound > 1000)
3994 data->searchcount = 1000;
3995 else if (nfound > 100)
3996 data->searchcount = 100;
3997 else if (nfound > 10)
3998 data->searchcount = 10;
3999 else
4000 data->searchcount = -1;
4001 data->searchmore = 1;
4002 } else {
4003 data->searchcount = nfound;
4004 data->searchmore = 0;
4005 }
4006 }
4007
4008 out:
4009 if (ssp == &ss)
4010 screen_free(&ss);
4011 if (regex)
4012 regfree(&reg);
4013 return (1);
4014 }
4015
4016 static void
4017 window_copy_clear_marks(struct window_mode_entry *wme)
4018 {
4019 struct window_copy_mode_data *data = wme->data;
4020
4021 free(data->searchmark);
4022 data->searchmark = NULL;
4023 }
4024
4025 static int
4026 window_copy_search_up(struct window_mode_entry *wme, int regex)
4027 {
4028 return (window_copy_search(wme, 0, regex));
4029 }
4030
4031 static int
4032 window_copy_search_down(struct window_mode_entry *wme, int regex)
4033 {
4034 return (window_copy_search(wme, 1, regex));
4035 }
4036
4037 static void
4038 window_copy_goto_line(struct window_mode_entry *wme, const char *linestr)
4039 {
4040 struct window_copy_mode_data *data = wme->data;
4041 const char *errstr;
4042 int lineno;
4043
4044 lineno = strtonum(linestr, -1, INT_MAX, &errstr);
4045 if (errstr != NULL)
4046 return;
4047 if (lineno < 0 || (u_int)lineno > screen_hsize(data->backing))
4048 lineno = screen_hsize(data->backing);
4049
4050 data->oy = lineno;
4051 window_copy_update_selection(wme, 1, 0);
4052 window_copy_redraw_screen(wme);
4053 }
4054
4055 static void
4056 window_copy_match_start_end(struct window_copy_mode_data *data, u_int at,
4057 u_int *start, u_int *end)
4058 {
4059 struct grid *gd = data->backing->grid;
4060 u_int last = (gd->sy * gd->sx) - 1;
4061 u_char mark = data->searchmark[at];
4062
4063 *start = *end = at;
4064 while (*start != 0 && data->searchmark[*start] == mark)
4065 (*start)--;
4066 if (data->searchmark[*start] != mark)
4067 (*start)++;
4068 while (*end != last && data->searchmark[*end] == mark)
4069 (*end)++;
4070 if (data->searchmark[*end] != mark)
4071 (*end)--;
4072 }
4073
4074 static char *
4075 window_copy_match_at_cursor(struct window_copy_mode_data *data)
4076 {
4077 struct grid *gd = data->backing->grid;
4078 struct grid_cell gc;
4079 u_int at, start, end, cy, px, py;
4080 u_int sx = screen_size_x(data->backing);
4081 char *buf = NULL;
4082 size_t len = 0;
4083
4084 if (data->searchmark == NULL)
4085 return (NULL);
4086
4087 cy = screen_hsize(data->backing) - data->oy + data->cy;
4088 if (window_copy_search_mark_at(data, data->cx, cy, &at) != 0)
4089 return (NULL);
4090 if (data->searchmark[at] == 0) {
4091 /* Allow one position after the match. */
4092 if (at == 0 || data->searchmark[--at] == 0)
4093 return (NULL);
4094 }
4095 window_copy_match_start_end(data, at, &start, &end);
4096
4097 /*
4098 * Cells will not be set in the marked array unless they are valid text
4099 * and wrapping will be taken care of, so we can just copy.
4100 */
4101 for (at = start; at <= end; at++) {
4102 py = at / sx;
4103 px = at - (py * sx);
4104
4105 grid_get_cell(gd, px, gd->hsize + py - data->oy, &gc);
4106 buf = xrealloc(buf, len + gc.data.size + 1);
4107 memcpy(buf + len, gc.data.data, gc.data.size);
4108 len += gc.data.size;
4109 }
4110 if (len != 0)
4111 buf[len] = '\0';
4112 return (buf);
4113 }
4114
4115 static void
4116 window_copy_update_style(struct window_mode_entry *wme, u_int fx, u_int fy,
4117 struct grid_cell *gc, const struct grid_cell *mgc,
4118 const struct grid_cell *cgc, const struct grid_cell *mkgc)
4119 {
4120 struct window_pane *wp = wme->wp;
4121 struct window_copy_mode_data *data = wme->data;
4122 u_int mark, start, end, cy, cursor, current;
4123 int inv = 0, found = 0;
4124 int keys;
4125
4126 if (data->showmark && fy == data->my) {
4127 gc->attr = mkgc->attr;
4128 if (fx == data->mx)
4129 inv = 1;
4130 if (inv) {
4131 gc->fg = mkgc->bg;
4132 gc->bg = mkgc->fg;
4133 }
4134 else {
4135 gc->fg = mkgc->fg;
4136 gc->bg = mkgc->bg;
4137 }
4138 }
4139
4140 if (data->searchmark == NULL)
4141 return;
4142
4143 if (window_copy_search_mark_at(data, fx, fy, &current) != 0)
4144 return;
4145 mark = data->searchmark[current];
4146 if (mark == 0)
4147 return;
4148
4149 cy = screen_hsize(data->backing) - data->oy + data->cy;
4150 if (window_copy_search_mark_at(data, data->cx, cy, &cursor) == 0) {
4151 keys = options_get_number(wp->window->options, "mode-keys");
4152 if (cursor != 0 &&
4153 keys == MODEKEY_EMACS &&
4154 data->searchdirection) {
4155 if (data->searchmark[cursor - 1] == mark) {
4156 cursor--;
4157 found = 1;
4158 }
4159 } else if (data->searchmark[cursor] == mark)
4160 found = 1;
4161 if (found) {
4162 window_copy_match_start_end(data, cursor, &start, &end);
4163 if (current >= start && current <= end) {
4164 gc->attr = cgc->attr;
4165 if (inv) {
4166 gc->fg = cgc->bg;
4167 gc->bg = cgc->fg;
4168 }
4169 else {
4170 gc->fg = cgc->fg;
4171 gc->bg = cgc->bg;
4172 }
4173 return;
4174 }
4175 }
4176 }
4177
4178 gc->attr = mgc->attr;
4179 if (inv) {
4180 gc->fg = mgc->bg;
4181 gc->bg = mgc->fg;
4182 }
4183 else {
4184 gc->fg = mgc->fg;
4185 gc->bg = mgc->bg;
4186 }
4187 }
4188
4189 static void
4190 window_copy_write_one(struct window_mode_entry *wme,
4191 struct screen_write_ctx *ctx, u_int py, u_int fy, u_int nx,
4192 const struct grid_cell *mgc, const struct grid_cell *cgc,
4193 const struct grid_cell *mkgc)
4194 {
4195 struct window_copy_mode_data *data = wme->data;
4196 struct grid *gd = data->backing->grid;
4197 struct grid_cell gc;
4198 u_int fx;
4199
4200 screen_write_cursormove(ctx, 0, py, 0);
4201 for (fx = 0; fx < nx; fx++) {
4202 grid_get_cell(gd, fx, fy, &gc);
4203 if (fx + gc.data.width <= nx) {
4204 window_copy_update_style(wme, fx, fy, &gc, mgc, cgc,
4205 mkgc);
4206 screen_write_cell(ctx, &gc);
4207 }
4208 }
4209 }
4210
4211 static void
4212 window_copy_write_line(struct window_mode_entry *wme,
4213 struct screen_write_ctx *ctx, u_int py)
4214 {
4215 struct window_pane *wp = wme->wp;
4216 struct window_copy_mode_data *data = wme->data;
4217 struct screen *s = &data->screen;
4218 struct options *oo = wp->window->options;
4219 struct grid_line *gl;
4220 struct grid_cell gc, mgc, cgc, mkgc;
4221 char hdr[512], tmp[256], *t;
4222 size_t size = 0;
4223 u_int hsize = screen_hsize(data->backing);
4224
4225 style_apply(&gc, oo, "mode-style", NULL);
4226 gc.flags |= GRID_FLAG_NOPALETTE;
4227 style_apply(&mgc, oo, "copy-mode-match-style", NULL);
4228 mgc.flags |= GRID_FLAG_NOPALETTE;
4229 style_apply(&cgc, oo, "copy-mode-current-match-style", NULL);
4230 cgc.flags |= GRID_FLAG_NOPALETTE;
4231 style_apply(&mkgc, oo, "copy-mode-mark-style", NULL);
4232 mkgc.flags |= GRID_FLAG_NOPALETTE;
4233
4234 if (py == 0 && s->rupper < s->rlower && !data->hide_position) {
4235 gl = grid_get_line(data->backing->grid, hsize - data->oy);
4236 if (gl->time == 0)
4237 xsnprintf(tmp, sizeof tmp, "[%u/%u]", data->oy, hsize);
4238 else {
4239 t = format_pretty_time(gl->time, 1);
4240 xsnprintf(tmp, sizeof tmp, "%s [%u/%u]", t, data->oy,
4241 hsize);
4242 free(t);
4243 }
4244
4245 if (data->searchmark == NULL) {
4246 if (data->timeout) {
4247 size = xsnprintf(hdr, sizeof hdr,
4248 "(timed out) %s", tmp);
4249 } else
4250 size = xsnprintf(hdr, sizeof hdr, "%s", tmp);
4251 } else {
4252 if (data->searchcount == -1)
4253 size = xsnprintf(hdr, sizeof hdr, "%s", tmp);
4254 else {
4255 size = xsnprintf(hdr, sizeof hdr,
4256 "(%d%s results) %s", data->searchcount,
4257 data->searchmore ? "+" : "", tmp);
4258 }
4259 }
4260 if (size > screen_size_x(s))
4261 size = screen_size_x(s);
4262 screen_write_cursormove(ctx, screen_size_x(s) - size, 0, 0);
4263 screen_write_puts(ctx, &gc, "%s", hdr);
4264 } else
4265 size = 0;
4266
4267 if (size < screen_size_x(s)) {
4268 window_copy_write_one(wme, ctx, py, hsize - data->oy + py,
4269 screen_size_x(s) - size, &mgc, &cgc, &mkgc);
4270 }
4271
4272 if (py == data->cy && data->cx == screen_size_x(s)) {
4273 screen_write_cursormove(ctx, screen_size_x(s) - 1, py, 0);
4274 screen_write_putc(ctx, &grid_default_cell, '$');
4275 }
4276 }
4277
4278 static void
4279 window_copy_write_lines(struct window_mode_entry *wme,
4280 struct screen_write_ctx *ctx, u_int py, u_int ny)
4281 {
4282 u_int yy;
4283
4284 for (yy = py; yy < py + ny; yy++)
4285 window_copy_write_line(wme, ctx, py);
4286 }
4287
4288 static void
4289 window_copy_redraw_selection(struct window_mode_entry *wme, u_int old_y)
4290 {
4291 struct window_copy_mode_data *data = wme->data;
4292 struct grid *gd = data->backing->grid;
4293 u_int new_y, start, end;
4294
4295 new_y = data->cy;
4296 if (old_y <= new_y) {
4297 start = old_y;
4298 end = new_y;
4299 } else {
4300 start = new_y;
4301 end = old_y;
4302 }
4303
4304 /*
4305 * In word selection mode the first word on the line below the cursor
4306 * might be selected, so add this line to the redraw area.
4307 */
4308 if (data->selflag == SEL_WORD) {
4309 /* Last grid line in data coordinates. */
4310 if (end < gd->sy + data->oy - 1)
4311 end++;
4312 }
4313 window_copy_redraw_lines(wme, start, end - start + 1);
4314 }
4315
4316 static void
4317 window_copy_redraw_lines(struct window_mode_entry *wme, u_int py, u_int ny)
4318 {
4319 struct window_pane *wp = wme->wp;
4320 struct window_copy_mode_data *data = wme->data;
4321 struct screen_write_ctx ctx;
4322 u_int i;
4323
4324 screen_write_start_pane(&ctx, wp, NULL);
4325 for (i = py; i < py + ny; i++)
4326 window_copy_write_line(wme, &ctx, i);
4327 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
4328 screen_write_stop(&ctx);
4329 }
4330
4331 static void
4332 window_copy_redraw_screen(struct window_mode_entry *wme)
4333 {
4334 struct window_copy_mode_data *data = wme->data;
4335
4336 window_copy_redraw_lines(wme, 0, screen_size_y(&data->screen));
4337 }
4338
4339 static void
4340 window_copy_synchronize_cursor_end(struct window_mode_entry *wme, int begin,
4341 int no_reset)
4342 {
4343 struct window_copy_mode_data *data = wme->data;
4344 u_int xx, yy;
4345
4346 xx = data->cx;
4347 yy = screen_hsize(data->backing) + data->cy - data->oy;
4348 switch (data->selflag) {
4349 case SEL_WORD:
4350 if (no_reset)
4351 break;
4352 begin = 0;
4353 if (data->dy > yy || (data->dy == yy && data->dx > xx)) {
4354 /* Right to left selection. */
4355 window_copy_cursor_previous_word_pos(wme,
4356 data->separators, &xx, &yy);
4357 begin = 1;
4358
4359 /* Reset the end. */
4360 data->endselx = data->endselrx;
4361 data->endsely = data->endselry;
4362 } else {
4363 /* Left to right selection. */
4364 if (xx >= window_copy_find_length(wme, yy) ||
4365 !window_copy_in_set(wme, xx + 1, yy, WHITESPACE)) {
4366 window_copy_cursor_next_word_end_pos(wme,
4367 data->separators, &xx, &yy);
4368 }
4369
4370 /* Reset the start. */
4371 data->selx = data->selrx;
4372 data->sely = data->selry;
4373 }
4374 break;
4375 case SEL_LINE:
4376 if (no_reset)
4377 break;
4378 begin = 0;
4379 if (data->dy > yy) {
4380 /* Right to left selection. */
4381 xx = 0;
4382 begin = 1;
4383
4384 /* Reset the end. */
4385 data->endselx = data->endselrx;
4386 data->endsely = data->endselry;
4387 } else {
4388 /* Left to right selection. */
4389 if (yy < data->endselry)
4390 yy = data->endselry;
4391 xx = window_copy_find_length(wme, yy);
4392
4393 /* Reset the start. */
4394 data->selx = data->selrx;
4395 data->sely = data->selry;
4396 }
4397 break;
4398 case SEL_CHAR:
4399 break;
4400 }
4401 if (begin) {
4402 data->selx = xx;
4403 data->sely = yy;
4404 } else {
4405 data->endselx = xx;
4406 data->endsely = yy;
4407 }
4408 }
4409
4410 static void
4411 window_copy_synchronize_cursor(struct window_mode_entry *wme, int no_reset)
4412 {
4413 struct window_copy_mode_data *data = wme->data;
4414
4415 switch (data->cursordrag) {
4416 case CURSORDRAG_ENDSEL:
4417 window_copy_synchronize_cursor_end(wme, 0, no_reset);
4418 break;
4419 case CURSORDRAG_SEL:
4420 window_copy_synchronize_cursor_end(wme, 1, no_reset);
4421 break;
4422 case CURSORDRAG_NONE:
4423 break;
4424 }
4425 }
4426
4427 static void
4428 window_copy_update_cursor(struct window_mode_entry *wme, u_int cx, u_int cy)
4429 {
4430 struct window_pane *wp = wme->wp;
4431 struct window_copy_mode_data *data = wme->data;
4432 struct screen *s = &data->screen;
4433 struct screen_write_ctx ctx;
4434 u_int old_cx, old_cy;
4435
4436 old_cx = data->cx; old_cy = data->cy;
4437 data->cx = cx; data->cy = cy;
4438 if (old_cx == screen_size_x(s))
4439 window_copy_redraw_lines(wme, old_cy, 1);
4440 if (data->cx == screen_size_x(s))
4441 window_copy_redraw_lines(wme, data->cy, 1);
4442 else {
4443 screen_write_start_pane(&ctx, wp, NULL);
4444 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
4445 screen_write_stop(&ctx);
4446 }
4447 }
4448
4449 static void
4450 window_copy_start_selection(struct window_mode_entry *wme)
4451 {
4452 struct window_copy_mode_data *data = wme->data;
4453
4454 data->selx = data->cx;
4455 data->sely = screen_hsize(data->backing) + data->cy - data->oy;
4456
4457 data->endselx = data->selx;
4458 data->endsely = data->sely;
4459
4460 data->cursordrag = CURSORDRAG_ENDSEL;
4461
4462 window_copy_set_selection(wme, 1, 0);
4463 }
4464
4465 static int
4466 window_copy_adjust_selection(struct window_mode_entry *wme, u_int *selx,
4467 u_int *sely)
4468 {
4469 struct window_copy_mode_data *data = wme->data;
4470 struct screen *s = &data->screen;
4471 u_int sx, sy, ty;
4472 int relpos;
4473
4474 sx = *selx;
4475 sy = *sely;
4476
4477 ty = screen_hsize(data->backing) - data->oy;
4478 if (sy < ty) {
4479 relpos = WINDOW_COPY_REL_POS_ABOVE;
4480 if (!data->rectflag)
4481 sx = 0;
4482 sy = 0;
4483 } else if (sy > ty + screen_size_y(s) - 1) {
4484 relpos = WINDOW_COPY_REL_POS_BELOW;
4485 if (!data->rectflag)
4486 sx = screen_size_x(s) - 1;
4487 sy = screen_size_y(s) - 1;
4488 } else {
4489 relpos = WINDOW_COPY_REL_POS_ON_SCREEN;
4490 sy -= ty;
4491 }
4492
4493 *selx = sx;
4494 *sely = sy;
4495 return (relpos);
4496 }
4497
4498 static int
4499 window_copy_update_selection(struct window_mode_entry *wme, int may_redraw,
4500 int no_reset)
4501 {
4502 struct window_copy_mode_data *data = wme->data;
4503 struct screen *s = &data->screen;
4504
4505 if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
4506 return (0);
4507 return (window_copy_set_selection(wme, may_redraw, no_reset));
4508 }
4509
4510 static int
4511 window_copy_set_selection(struct window_mode_entry *wme, int may_redraw,
4512 int no_reset)
4513 {
4514 struct window_pane *wp = wme->wp;
4515 struct window_copy_mode_data *data = wme->data;
4516 struct screen *s = &data->screen;
4517 struct options *oo = wp->window->options;
4518 struct grid_cell gc;
4519 u_int sx, sy, cy, endsx, endsy;
4520 int startrelpos, endrelpos;
4521
4522 window_copy_synchronize_cursor(wme, no_reset);
4523
4524 /* Adjust the selection. */
4525 sx = data->selx;
4526 sy = data->sely;
4527 startrelpos = window_copy_adjust_selection(wme, &sx, &sy);
4528
4529 /* Adjust the end of selection. */
4530 endsx = data->endselx;
4531 endsy = data->endsely;
4532 endrelpos = window_copy_adjust_selection(wme, &endsx, &endsy);
4533
4534 /* Selection is outside of the current screen */
4535 if (startrelpos == endrelpos &&
4536 startrelpos != WINDOW_COPY_REL_POS_ON_SCREEN) {
4537 screen_hide_selection(s);
4538 return (0);
4539 }
4540
4541 /* Set colours and selection. */
4542 style_apply(&gc, oo, "mode-style", NULL);
4543 gc.flags |= GRID_FLAG_NOPALETTE;
4544 screen_set_selection(s, sx, sy, endsx, endsy, data->rectflag,
4545 data->modekeys, &gc);
4546
4547 if (data->rectflag && may_redraw) {
4548 /*
4549 * Can't rely on the caller to redraw the right lines for
4550 * rectangle selection - find the highest line and the number
4551 * of lines, and redraw just past that in both directions
4552 */
4553 cy = data->cy;
4554 if (data->cursordrag == CURSORDRAG_ENDSEL) {
4555 if (sy < cy)
4556 window_copy_redraw_lines(wme, sy, cy - sy + 1);
4557 else
4558 window_copy_redraw_lines(wme, cy, sy - cy + 1);
4559 } else {
4560 if (endsy < cy) {
4561 window_copy_redraw_lines(wme, endsy,
4562 cy - endsy + 1);
4563 } else {
4564 window_copy_redraw_lines(wme, cy,
4565 endsy - cy + 1);
4566 }
4567 }
4568 }
4569
4570 return (1);
4571 }
4572
4573 static void *
4574 window_copy_get_selection(struct window_mode_entry *wme, size_t *len)
4575 {
4576 struct window_pane *wp = wme->wp;
4577 struct window_copy_mode_data *data = wme->data;
4578 struct screen *s = &data->screen;
4579 char *buf;
4580 size_t off;
4581 u_int i, xx, yy, sx, sy, ex, ey, ey_last;
4582 u_int firstsx, lastex, restex, restsx, selx;
4583 int keys;
4584
4585 if (data->screen.sel == NULL && data->lineflag == LINE_SEL_NONE) {
4586 buf = window_copy_match_at_cursor(data);
4587 if (buf != NULL)
4588 *len = strlen(buf);
4589 else
4590 *len = 0;
4591 return (buf);
4592 }
4593
4594 buf = xmalloc(1);
4595 off = 0;
4596
4597 *buf = '\0';
4598
4599 /*
4600 * The selection extends from selx,sely to (adjusted) cx,cy on
4601 * the base screen.
4602 */
4603
4604 /* Find start and end. */
4605 xx = data->endselx;
4606 yy = data->endsely;
4607 if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
4608 sx = xx; sy = yy;
4609 ex = data->selx; ey = data->sely;
4610 } else {
4611 sx = data->selx; sy = data->sely;
4612 ex = xx; ey = yy;
4613 }
4614
4615 /* Trim ex to end of line. */
4616 ey_last = window_copy_find_length(wme, ey);
4617 if (ex > ey_last)
4618 ex = ey_last;
4619
4620 /*
4621 * Deal with rectangle-copy if necessary; four situations: start of
4622 * first line (firstsx), end of last line (lastex), start (restsx) and
4623 * end (restex) of all other lines.
4624 */
4625 xx = screen_size_x(s);
4626
4627 /*
4628 * Behave according to mode-keys. If it is emacs, copy like emacs,
4629 * keeping the top-left-most character, and dropping the
4630 * bottom-right-most, regardless of copy direction. If it is vi, also
4631 * keep bottom-right-most character.
4632 */
4633 keys = options_get_number(wp->window->options, "mode-keys");
4634 if (data->rectflag) {
4635 /*
4636 * Need to ignore the column with the cursor in it, which for
4637 * rectangular copy means knowing which side the cursor is on.
4638 */
4639 if (data->cursordrag == CURSORDRAG_ENDSEL)
4640 selx = data->selx;
4641 else
4642 selx = data->endselx;
4643 if (selx < data->cx) {
4644 /* Selection start is on the left. */
4645 if (keys == MODEKEY_EMACS) {
4646 lastex = data->cx;
4647 restex = data->cx;
4648 }
4649 else {
4650 lastex = data->cx + 1;
4651 restex = data->cx + 1;
4652 }
4653 firstsx = selx;
4654 restsx = selx;
4655 } else {
4656 /* Cursor is on the left. */
4657 lastex = selx + 1;
4658 restex = selx + 1;
4659 firstsx = data->cx;
4660 restsx = data->cx;
4661 }
4662 } else {
4663 if (keys == MODEKEY_EMACS)
4664 lastex = ex;
4665 else
4666 lastex = ex + 1;
4667 restex = xx;
4668 firstsx = sx;
4669 restsx = 0;
4670 }
4671
4672 /* Copy the lines. */
4673 for (i = sy; i <= ey; i++) {
4674 window_copy_copy_line(wme, &buf, &off, i,
4675 (i == sy ? firstsx : restsx),
4676 (i == ey ? lastex : restex));
4677 }
4678
4679 /* Don't bother if no data. */
4680 if (off == 0) {
4681 free(buf);
4682 *len = 0;
4683 return (NULL);
4684 }
4685 /* Remove final \n (unless at end in vi mode). */
4686 if (keys == MODEKEY_EMACS || lastex <= ey_last) {
4687 if (~grid_get_line(data->backing->grid, ey)->flags &
4688 GRID_LINE_WRAPPED || lastex != ey_last)
4689 off -= 1;
4690 }
4691 *len = off;
4692 return (buf);
4693 }
4694
4695 static void
4696 window_copy_copy_buffer(struct window_mode_entry *wme, const char *prefix,
4697 void *buf, size_t len)
4698 {
4699 struct window_pane *wp = wme->wp;
4700 struct screen_write_ctx ctx;
4701
4702 if (options_get_number(global_options, "set-clipboard") != 0) {
4703 screen_write_start_pane(&ctx, wp, NULL);
4704 screen_write_setselection(&ctx, "", buf, len);
4705 screen_write_stop(&ctx);
4706 notify_pane("pane-set-clipboard", wp);
4707 }
4708
4709 paste_add(prefix, buf, len);
4710 }
4711
4712 static void *
4713 window_copy_pipe_run(struct window_mode_entry *wme, struct session *s,
4714 const char *cmd, size_t *len)
4715 {
4716 void *buf;
4717 struct job *job;
4718
4719 buf = window_copy_get_selection(wme, len);
4720 if (cmd == NULL || *cmd == '\0')
4721 cmd = options_get_string(global_options, "copy-command");
4722 if (cmd != NULL && *cmd != '\0') {
4723 job = job_run(cmd, 0, NULL, NULL, s, NULL, NULL, NULL, NULL,
4724 NULL, JOB_NOWAIT, -1, -1);
4725 bufferevent_write(job_get_event(job), buf, *len);
4726 }
4727 return (buf);
4728 }
4729
4730 static void
4731 window_copy_pipe(struct window_mode_entry *wme, struct session *s,
4732 const char *cmd)
4733 {
4734 size_t len;
4735
4736 window_copy_pipe_run(wme, s, cmd, &len);
4737 }
4738
4739 static void
4740 window_copy_copy_pipe(struct window_mode_entry *wme, struct session *s,
4741 const char *prefix, const char *cmd)
4742 {
4743 void *buf;
4744 size_t len;
4745
4746 buf = window_copy_pipe_run(wme, s, cmd, &len);
4747 if (buf != NULL)
4748 window_copy_copy_buffer(wme, prefix, buf, len);
4749 }
4750
4751 static void
4752 window_copy_copy_selection(struct window_mode_entry *wme, const char *prefix)
4753 {
4754 char *buf;
4755 size_t len;
4756
4757 buf = window_copy_get_selection(wme, &len);
4758 if (buf != NULL)
4759 window_copy_copy_buffer(wme, prefix, buf, len);
4760 }
4761
4762 static void
4763 window_copy_append_selection(struct window_mode_entry *wme)
4764 {
4765 struct window_pane *wp = wme->wp;
4766 char *buf;
4767 struct paste_buffer *pb;
4768 const char *bufdata, *bufname = NULL;
4769 size_t len, bufsize;
4770 struct screen_write_ctx ctx;
4771
4772 buf = window_copy_get_selection(wme, &len);
4773 if (buf == NULL)
4774 return;
4775
4776 if (options_get_number(global_options, "set-clipboard") != 0) {
4777 screen_write_start_pane(&ctx, wp, NULL);
4778 screen_write_setselection(&ctx, "", buf, len);
4779 screen_write_stop(&ctx);
4780 notify_pane("pane-set-clipboard", wp);
4781 }
4782
4783 pb = paste_get_top(&bufname);
4784 if (pb != NULL) {
4785 bufdata = paste_buffer_data(pb, &bufsize);
4786 buf = xrealloc(buf, len + bufsize);
4787 memmove(buf + bufsize, buf, len);
4788 memcpy(buf, bufdata, bufsize);
4789 len += bufsize;
4790 }
4791 if (paste_set(buf, len, bufname, NULL) != 0)
4792 free(buf);
4793 }
4794
4795 static void
4796 window_copy_copy_line(struct window_mode_entry *wme, char **buf, size_t *off,
4797 u_int sy, u_int sx, u_int ex)
4798 {
4799 struct window_copy_mode_data *data = wme->data;
4800 struct grid *gd = data->backing->grid;
4801 struct grid_cell gc;
4802 struct grid_line *gl;
4803 struct utf8_data ud;
4804 u_int i, xx, wrapped = 0;
4805 const char *s;
4806
4807 if (sx > ex)
4808 return;
4809
4810 /*
4811 * Work out if the line was wrapped at the screen edge and all of it is
4812 * on screen.
4813 */
4814 gl = grid_get_line(gd, sy);
4815 if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
4816 wrapped = 1;
4817
4818 /* If the line was wrapped, don't strip spaces (use the full length). */
4819 if (wrapped)
4820 xx = gl->cellsize;
4821 else
4822 xx = window_copy_find_length(wme, sy);
4823 if (ex > xx)
4824 ex = xx;
4825 if (sx > xx)
4826 sx = xx;
4827
4828 if (sx < ex) {
4829 for (i = sx; i < ex; i++) {
4830 grid_get_cell(gd, i, sy, &gc);
4831 if (gc.flags & GRID_FLAG_PADDING)
4832 continue;
4833 utf8_copy(&ud, &gc.data);
4834 if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
4835 s = tty_acs_get(NULL, ud.data[0]);
4836 if (s != NULL && strlen(s) <= sizeof ud.data) {
4837 ud.size = strlen(s);
4838 memcpy(ud.data, s, ud.size);
4839 }
4840 }
4841
4842 *buf = xrealloc(*buf, (*off) + ud.size);
4843 memcpy(*buf + *off, ud.data, ud.size);
4844 *off += ud.size;
4845 }
4846 }
4847
4848 /* Only add a newline if the line wasn't wrapped. */
4849 if (!wrapped || ex != xx) {
4850 *buf = xrealloc(*buf, (*off) + 1);
4851 (*buf)[(*off)++] = '\n';
4852 }
4853 }
4854
4855 static void
4856 window_copy_clear_selection(struct window_mode_entry *wme)
4857 {
4858 struct window_copy_mode_data *data = wme->data;
4859 u_int px, py;
4860
4861 screen_clear_selection(&data->screen);
4862
4863 data->cursordrag = CURSORDRAG_NONE;
4864 data->lineflag = LINE_SEL_NONE;
4865 data->selflag = SEL_CHAR;
4866
4867 py = screen_hsize(data->backing) + data->cy - data->oy;
4868 px = window_copy_find_length(wme, py);
4869 if (data->cx > px)
4870 window_copy_update_cursor(wme, px, data->cy);
4871 }
4872
4873 static int
4874 window_copy_in_set(struct window_mode_entry *wme, u_int px, u_int py,
4875 const char *set)
4876 {
4877 struct window_copy_mode_data *data = wme->data;
4878 struct grid_cell gc;
4879
4880 grid_get_cell(data->backing->grid, px, py, &gc);
4881 if (gc.flags & GRID_FLAG_PADDING)
4882 return (0);
4883 return (utf8_cstrhas(set, &gc.data));
4884 }
4885
4886 static u_int
4887 window_copy_find_length(struct window_mode_entry *wme, u_int py)
4888 {
4889 struct window_copy_mode_data *data = wme->data;
4890
4891 return (grid_line_length(data->backing->grid, py));
4892 }
4893
4894 static void
4895 window_copy_cursor_start_of_line(struct window_mode_entry *wme)
4896 {
4897 struct window_copy_mode_data *data = wme->data;
4898 struct screen *back_s = data->backing;
4899 struct grid_reader gr;
4900 u_int px, py, oldy, hsize;
4901
4902 px = data->cx;
4903 hsize = screen_hsize(back_s);
4904 py = hsize + data->cy - data->oy;
4905 oldy = data->cy;
4906
4907 grid_reader_start(&gr, back_s->grid, px, py);
4908 grid_reader_cursor_start_of_line(&gr, 1);
4909 grid_reader_get_cursor(&gr, &px, &py);
4910 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4911 }
4912
4913 static void
4914 window_copy_cursor_back_to_indentation(struct window_mode_entry *wme)
4915 {
4916 struct window_copy_mode_data *data = wme->data;
4917 struct screen *back_s = data->backing;
4918 struct grid_reader gr;
4919 u_int px, py, oldy, hsize;
4920
4921 px = data->cx;
4922 hsize = screen_hsize(back_s);
4923 py = hsize + data->cy - data->oy;
4924 oldy = data->cy;
4925
4926 grid_reader_start(&gr, back_s->grid, px, py);
4927 grid_reader_cursor_back_to_indentation(&gr);
4928 grid_reader_get_cursor(&gr, &px, &py);
4929 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4930 }
4931
4932 static void
4933 window_copy_cursor_end_of_line(struct window_mode_entry *wme)
4934 {
4935 struct window_copy_mode_data *data = wme->data;
4936 struct screen *back_s = data->backing;
4937 struct grid_reader gr;
4938 u_int px, py, oldy, hsize;
4939
4940 px = data->cx;
4941 hsize = screen_hsize(back_s);
4942 py = hsize + data->cy - data->oy;
4943 oldy = data->cy;
4944
4945 grid_reader_start(&gr, back_s->grid, px, py);
4946 if (data->screen.sel != NULL && data->rectflag)
4947 grid_reader_cursor_end_of_line(&gr, 1, 1);
4948 else
4949 grid_reader_cursor_end_of_line(&gr, 1, 0);
4950 grid_reader_get_cursor(&gr, &px, &py);
4951 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
4952 data->oy, oldy, px, py, 0);
4953 }
4954
4955 static void
4956 window_copy_other_end(struct window_mode_entry *wme)
4957 {
4958 struct window_copy_mode_data *data = wme->data;
4959 struct screen *s = &data->screen;
4960 u_int selx, sely, cy, yy, hsize;
4961
4962 if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
4963 return;
4964
4965 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
4966 data->lineflag = LINE_SEL_RIGHT_LEFT;
4967 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
4968 data->lineflag = LINE_SEL_LEFT_RIGHT;
4969
4970 switch (data->cursordrag) {
4971 case CURSORDRAG_NONE:
4972 case CURSORDRAG_SEL:
4973 data->cursordrag = CURSORDRAG_ENDSEL;
4974 break;
4975 case CURSORDRAG_ENDSEL:
4976 data->cursordrag = CURSORDRAG_SEL;
4977 break;
4978 }
4979
4980 selx = data->endselx;
4981 sely = data->endsely;
4982 if (data->cursordrag == CURSORDRAG_SEL) {
4983 selx = data->selx;
4984 sely = data->sely;
4985 }
4986
4987 cy = data->cy;
4988 yy = screen_hsize(data->backing) + data->cy - data->oy;
4989
4990 data->cx = selx;
4991
4992 hsize = screen_hsize(data->backing);
4993 if (sely < hsize - data->oy) { /* above */
4994 data->oy = hsize - sely;
4995 data->cy = 0;
4996 } else if (sely > hsize - data->oy + screen_size_y(s)) { /* below */
4997 data->oy = hsize - sely + screen_size_y(s) - 1;
4998 data->cy = screen_size_y(s) - 1;
4999 } else
5000 data->cy = cy + sely - yy;
5001
5002 window_copy_update_selection(wme, 1, 1);
5003 window_copy_redraw_screen(wme);
5004 }
5005
5006 static void
5007 window_copy_cursor_left(struct window_mode_entry *wme)
5008 {
5009 struct window_copy_mode_data *data = wme->data;
5010 struct screen *back_s = data->backing;
5011 struct grid_reader gr;
5012 u_int px, py, oldy, hsize;
5013
5014 px = data->cx;
5015 hsize = screen_hsize(back_s);
5016 py = hsize + data->cy - data->oy;
5017 oldy = data->cy;
5018
5019 grid_reader_start(&gr, back_s->grid, px, py);
5020 grid_reader_cursor_left(&gr, 1);
5021 grid_reader_get_cursor(&gr, &px, &py);
5022 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
5023 }
5024
5025 static void
5026 window_copy_cursor_right(struct window_mode_entry *wme, int all)
5027 {
5028 struct window_copy_mode_data *data = wme->data;
5029 struct screen *back_s = data->backing;
5030 struct grid_reader gr;
5031 u_int px, py, oldy, hsize;
5032
5033 px = data->cx;
5034 hsize = screen_hsize(back_s);
5035 py = hsize + data->cy - data->oy;
5036 oldy = data->cy;
5037
5038 grid_reader_start(&gr, back_s->grid, px, py);
5039 grid_reader_cursor_right(&gr, 1, all);
5040 grid_reader_get_cursor(&gr, &px, &py);
5041 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5042 data->oy, oldy, px, py, 0);
5043 }
5044
5045 static void
5046 window_copy_cursor_up(struct window_mode_entry *wme, int scroll_only)
5047 {
5048 struct window_copy_mode_data *data = wme->data;
5049 struct screen *s = &data->screen;
5050 u_int ox, oy, px, py;
5051 int norectsel;
5052
5053 norectsel = data->screen.sel == NULL || !data->rectflag;
5054 oy = screen_hsize(data->backing) + data->cy - data->oy;
5055 ox = window_copy_find_length(wme, oy);
5056 if (norectsel && data->cx != ox) {
5057 data->lastcx = data->cx;
5058 data->lastsx = ox;
5059 }
5060
5061 if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
5062 window_copy_other_end(wme);
5063
5064 if (scroll_only || data->cy == 0) {
5065 if (norectsel)
5066 data->cx = data->lastcx;
5067 window_copy_scroll_down(wme, 1);
5068 if (scroll_only) {
5069 if (data->cy == screen_size_y(s) - 1)
5070 window_copy_redraw_lines(wme, data->cy, 1);
5071 else
5072 window_copy_redraw_lines(wme, data->cy, 2);
5073 }
5074 } else {
5075 if (norectsel) {
5076 window_copy_update_cursor(wme, data->lastcx,
5077 data->cy - 1);
5078 } else
5079 window_copy_update_cursor(wme, data->cx, data->cy - 1);
5080 if (window_copy_update_selection(wme, 1, 0)) {
5081 if (data->cy == screen_size_y(s) - 1)
5082 window_copy_redraw_lines(wme, data->cy, 1);
5083 else
5084 window_copy_redraw_lines(wme, data->cy, 2);
5085 }
5086 }
5087
5088 if (norectsel) {
5089 py = screen_hsize(data->backing) + data->cy - data->oy;
5090 px = window_copy_find_length(wme, py);
5091 if ((data->cx >= data->lastsx && data->cx != px) ||
5092 data->cx > px)
5093 {
5094 window_copy_update_cursor(wme, px, data->cy);
5095 if (window_copy_update_selection(wme, 1, 0))
5096 window_copy_redraw_lines(wme, data->cy, 1);
5097 }
5098 }
5099
5100 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
5101 {
5102 py = screen_hsize(data->backing) + data->cy - data->oy;
5103 if (data->rectflag)
5104 px = screen_size_x(data->backing);
5105 else
5106 px = window_copy_find_length(wme, py);
5107 window_copy_update_cursor(wme, px, data->cy);
5108 if (window_copy_update_selection(wme, 1, 0))
5109 window_copy_redraw_lines(wme, data->cy, 1);
5110 }
5111 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
5112 {
5113 window_copy_update_cursor(wme, 0, data->cy);
5114 if (window_copy_update_selection(wme, 1, 0))
5115 window_copy_redraw_lines(wme, data->cy, 1);
5116 }
5117 }
5118
5119 static void
5120 window_copy_cursor_down(struct window_mode_entry *wme, int scroll_only)
5121 {
5122 struct window_copy_mode_data *data = wme->data;
5123 struct screen *s = &data->screen;
5124 u_int ox, oy, px, py;
5125 int norectsel;
5126
5127 norectsel = data->screen.sel == NULL || !data->rectflag;
5128 oy = screen_hsize(data->backing) + data->cy - data->oy;
5129 ox = window_copy_find_length(wme, oy);
5130 if (norectsel && data->cx != ox) {
5131 data->lastcx = data->cx;
5132 data->lastsx = ox;
5133 }
5134
5135 if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
5136 window_copy_other_end(wme);
5137
5138 if (scroll_only || data->cy == screen_size_y(s) - 1) {
5139 if (norectsel)
5140 data->cx = data->lastcx;
5141 window_copy_scroll_up(wme, 1);
5142 if (scroll_only && data->cy > 0)
5143 window_copy_redraw_lines(wme, data->cy - 1, 2);
5144 } else {
5145 if (norectsel) {
5146 window_copy_update_cursor(wme, data->lastcx,
5147 data->cy + 1);
5148 } else
5149 window_copy_update_cursor(wme, data->cx, data->cy + 1);
5150 if (window_copy_update_selection(wme, 1, 0))
5151 window_copy_redraw_lines(wme, data->cy - 1, 2);
5152 }
5153
5154 if (norectsel) {
5155 py = screen_hsize(data->backing) + data->cy - data->oy;
5156 px = window_copy_find_length(wme, py);
5157 if ((data->cx >= data->lastsx && data->cx != px) ||
5158 data->cx > px)
5159 {
5160 window_copy_update_cursor(wme, px, data->cy);
5161 if (window_copy_update_selection(wme, 1, 0))
5162 window_copy_redraw_lines(wme, data->cy, 1);
5163 }
5164 }
5165
5166 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
5167 {
5168 py = screen_hsize(data->backing) + data->cy - data->oy;
5169 if (data->rectflag)
5170 px = screen_size_x(data->backing);
5171 else
5172 px = window_copy_find_length(wme, py);
5173 window_copy_update_cursor(wme, px, data->cy);
5174 if (window_copy_update_selection(wme, 1, 0))
5175 window_copy_redraw_lines(wme, data->cy, 1);
5176 }
5177 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
5178 {
5179 window_copy_update_cursor(wme, 0, data->cy);
5180 if (window_copy_update_selection(wme, 1, 0))
5181 window_copy_redraw_lines(wme, data->cy, 1);
5182 }
5183 }
5184
5185 static void
5186 window_copy_cursor_jump(struct window_mode_entry *wme)
5187 {
5188 struct window_copy_mode_data *data = wme->data;
5189 struct screen *back_s = data->backing;
5190 struct grid_reader gr;
5191 u_int px, py, oldy, hsize;
5192
5193 px = data->cx + 1;
5194 hsize = screen_hsize(back_s);
5195 py = hsize + data->cy - data->oy;
5196 oldy = data->cy;
5197
5198 grid_reader_start(&gr, back_s->grid, px, py);
5199 if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
5200 grid_reader_get_cursor(&gr, &px, &py);
5201 window_copy_acquire_cursor_down(wme, hsize,
5202 screen_size_y(back_s), data->oy, oldy, px, py, 0);
5203 }
5204 }
5205
5206 static void
5207 window_copy_cursor_jump_back(struct window_mode_entry *wme)
5208 {
5209 struct window_copy_mode_data *data = wme->data;
5210 struct screen *back_s = data->backing;
5211 struct grid_reader gr;
5212 u_int px, py, oldy, hsize;
5213
5214 px = data->cx;
5215 hsize = screen_hsize(back_s);
5216 py = hsize + data->cy - data->oy;
5217 oldy = data->cy;
5218
5219 grid_reader_start(&gr, back_s->grid, px, py);
5220 grid_reader_cursor_left(&gr, 0);
5221 if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
5222 grid_reader_get_cursor(&gr, &px, &py);
5223 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
5224 py);
5225 }
5226 }
5227
5228 static void
5229 window_copy_cursor_jump_to(struct window_mode_entry *wme)
5230 {
5231 struct window_copy_mode_data *data = wme->data;
5232 struct screen *back_s = data->backing;
5233 struct grid_reader gr;
5234 u_int px, py, oldy, hsize;
5235
5236 px = data->cx + 2;
5237 hsize = screen_hsize(back_s);
5238 py = hsize + data->cy - data->oy;
5239 oldy = data->cy;
5240
5241 grid_reader_start(&gr, back_s->grid, px, py);
5242 if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
5243 grid_reader_cursor_left(&gr, 1);
5244 grid_reader_get_cursor(&gr, &px, &py);
5245 window_copy_acquire_cursor_down(wme, hsize,
5246 screen_size_y(back_s), data->oy, oldy, px, py, 0);
5247 }
5248 }
5249
5250 static void
5251 window_copy_cursor_jump_to_back(struct window_mode_entry *wme)
5252 {
5253 struct window_copy_mode_data *data = wme->data;
5254 struct screen *back_s = data->backing;
5255 struct grid_reader gr;
5256 u_int px, py, oldy, hsize;
5257
5258 px = data->cx;
5259 hsize = screen_hsize(back_s);
5260 py = hsize + data->cy - data->oy;
5261 oldy = data->cy;
5262
5263 grid_reader_start(&gr, back_s->grid, px, py);
5264 grid_reader_cursor_left(&gr, 0);
5265 grid_reader_cursor_left(&gr, 0);
5266 if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
5267 grid_reader_cursor_right(&gr, 1, 0);
5268 grid_reader_get_cursor(&gr, &px, &py);
5269 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
5270 py);
5271 }
5272 }
5273
5274 static void
5275 window_copy_cursor_next_word(struct window_mode_entry *wme,
5276 const char *separators)
5277 {
5278 struct window_copy_mode_data *data = wme->data;
5279 struct screen *back_s = data->backing;
5280 struct grid_reader gr;
5281 u_int px, py, oldy, hsize;
5282
5283 px = data->cx;
5284 hsize = screen_hsize(back_s);
5285 py = hsize + data->cy - data->oy;
5286 oldy = data->cy;
5287
5288 grid_reader_start(&gr, back_s->grid, px, py);
5289 grid_reader_cursor_next_word(&gr, separators);
5290 grid_reader_get_cursor(&gr, &px, &py);
5291 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5292 data->oy, oldy, px, py, 0);
5293 }
5294
5295 /* Compute the next place where a word ends. */
5296 static void
5297 window_copy_cursor_next_word_end_pos(struct window_mode_entry *wme,
5298 const char *separators, u_int *ppx, u_int *ppy)
5299 {
5300 struct window_pane *wp = wme->wp;
5301 struct window_copy_mode_data *data = wme->data;
5302 struct options *oo = wp->window->options;
5303 struct screen *back_s = data->backing;
5304 struct grid_reader gr;
5305 u_int px, py, hsize;
5306
5307 px = data->cx;
5308 hsize = screen_hsize(back_s);
5309 py = hsize + data->cy - data->oy;
5310
5311 grid_reader_start(&gr, back_s->grid, px, py);
5312 if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
5313 if (!grid_reader_in_set(&gr, WHITESPACE))
5314 grid_reader_cursor_right(&gr, 0, 0);
5315 grid_reader_cursor_next_word_end(&gr, separators);
5316 grid_reader_cursor_left(&gr, 1);
5317 } else
5318 grid_reader_cursor_next_word_end(&gr, separators);
5319 grid_reader_get_cursor(&gr, &px, &py);
5320 *ppx = px;
5321 *ppy = py;
5322 }
5323
5324 /* Move to the next place where a word ends. */
5325 static void
5326 window_copy_cursor_next_word_end(struct window_mode_entry *wme,
5327 const char *separators, int no_reset)
5328 {
5329 struct window_pane *wp = wme->wp;
5330 struct window_copy_mode_data *data = wme->data;
5331 struct options *oo = wp->window->options;
5332 struct screen *back_s = data->backing;
5333 struct grid_reader gr;
5334 u_int px, py, oldy, hsize;
5335
5336 px = data->cx;
5337 hsize = screen_hsize(back_s);
5338 py = hsize + data->cy - data->oy;
5339 oldy = data->cy;
5340
5341 grid_reader_start(&gr, back_s->grid, px, py);
5342 if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
5343 if (!grid_reader_in_set(&gr, WHITESPACE))
5344 grid_reader_cursor_right(&gr, 0, 0);
5345 grid_reader_cursor_next_word_end(&gr, separators);
5346 grid_reader_cursor_left(&gr, 1);
5347 } else
5348 grid_reader_cursor_next_word_end(&gr, separators);
5349 grid_reader_get_cursor(&gr, &px, &py);
5350 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5351 data->oy, oldy, px, py, no_reset);
5352 }
5353
5354 /* Compute the previous place where a word begins. */
5355 static void
5356 window_copy_cursor_previous_word_pos(struct window_mode_entry *wme,
5357 const char *separators, u_int *ppx, u_int *ppy)
5358 {
5359 struct window_copy_mode_data *data = wme->data;
5360 struct screen *back_s = data->backing;
5361 struct grid_reader gr;
5362 u_int px, py, hsize;
5363
5364 px = data->cx;
5365 hsize = screen_hsize(back_s);
5366 py = hsize + data->cy - data->oy;
5367
5368 grid_reader_start(&gr, back_s->grid, px, py);
5369 grid_reader_cursor_previous_word(&gr, separators, /* already= */ 0,
5370 /* stop_at_eol= */ 1);
5371 grid_reader_get_cursor(&gr, &px, &py);
5372 *ppx = px;
5373 *ppy = py;
5374 }
5375
5376 /* Move to the previous place where a word begins. */
5377 static void
5378 window_copy_cursor_previous_word(struct window_mode_entry *wme,
5379 const char *separators, int already)
5380 {
5381 struct window_copy_mode_data *data = wme->data;
5382 struct window *w = wme->wp->window;
5383 struct screen *back_s = data->backing;
5384 struct grid_reader gr;
5385 u_int px, py, oldy, hsize;
5386 int stop_at_eol;
5387
5388 if (options_get_number(w->options, "mode-keys") == MODEKEY_EMACS)
5389 stop_at_eol = 1;
5390 else
5391 stop_at_eol = 0;
5392
5393 px = data->cx;
5394 hsize = screen_hsize(back_s);
5395 py = hsize + data->cy - data->oy;
5396 oldy = data->cy;
5397
5398 grid_reader_start(&gr, back_s->grid, px, py);
5399 grid_reader_cursor_previous_word(&gr, separators, already, stop_at_eol);
5400 grid_reader_get_cursor(&gr, &px, &py);
5401 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
5402 }
5403
5404 static void
5405 window_copy_cursor_prompt(struct window_mode_entry *wme, int direction,
5406 const char *args)
5407 {
5408 struct window_copy_mode_data *data = wme->data;
5409 struct screen *s = data->backing;
5410 struct grid *gd = s->grid;
5411 u_int end_line;
5412 u_int line = gd->hsize - data->oy + data->cy;
5413 int add, line_flag;
5414
5415 if (args != NULL && strcmp(args, "-o") == 0)
5416 line_flag = GRID_LINE_START_OUTPUT;
5417 else
5418 line_flag = GRID_LINE_START_PROMPT;
5419
5420 if (direction == 0) { /* up */
5421 add = -1;
5422 end_line = 0;
5423 } else { /* down */
5424 add = 1;
5425 end_line = gd->hsize + gd->sy - 1;
5426 }
5427
5428 if (line == end_line)
5429 return;
5430 for (;;) {
5431 if (line == end_line)
5432 return;
5433 line += add;
5434
5435 if (grid_get_line(gd, line)->flags & line_flag)
5436 break;
5437 }
5438
5439 data->cx = 0;
5440 if (line > gd->hsize) {
5441 data->cy = line - gd->hsize;
5442 data->oy = 0;
5443 } else {
5444 data->cy = 0;
5445 data->oy = gd->hsize - line;
5446 }
5447
5448 window_copy_update_selection(wme, 1, 0);
5449 window_copy_redraw_screen(wme);
5450 }
5451
5452 static void
5453 window_copy_scroll_up(struct window_mode_entry *wme, u_int ny)
5454 {
5455 struct window_pane *wp = wme->wp;
5456 struct window_copy_mode_data *data = wme->data;
5457 struct screen *s = &data->screen;
5458 struct screen_write_ctx ctx;
5459
5460 if (data->oy < ny)
5461 ny = data->oy;
5462 if (ny == 0)
5463 return;
5464 data->oy -= ny;
5465
5466 if (data->searchmark != NULL && !data->timeout)
5467 window_copy_search_marks(wme, NULL, data->searchregex, 1);
5468 window_copy_update_selection(wme, 0, 0);
5469
5470 screen_write_start_pane(&ctx, wp, NULL);
5471 screen_write_cursormove(&ctx, 0, 0, 0);
5472 screen_write_deleteline(&ctx, ny, 8);
5473 window_copy_write_lines(wme, &ctx, screen_size_y(s) - ny, ny);
5474 window_copy_write_line(wme, &ctx, 0);
5475 if (screen_size_y(s) > 1)
5476 window_copy_write_line(wme, &ctx, 1);
5477 if (screen_size_y(s) > 3)
5478 window_copy_write_line(wme, &ctx, screen_size_y(s) - 2);
5479 if (s->sel != NULL && screen_size_y(s) > ny)
5480 window_copy_write_line(wme, &ctx, screen_size_y(s) - ny - 1);
5481 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
5482 screen_write_stop(&ctx);
5483 }
5484
5485 static void
5486 window_copy_scroll_down(struct window_mode_entry *wme, u_int ny)
5487 {
5488 struct window_pane *wp = wme->wp;
5489 struct window_copy_mode_data *data = wme->data;
5490 struct screen *s = &data->screen;
5491 struct screen_write_ctx ctx;
5492
5493 if (ny > screen_hsize(data->backing))
5494 return;
5495
5496 if (data->oy > screen_hsize(data->backing) - ny)
5497 ny = screen_hsize(data->backing) - data->oy;
5498 if (ny == 0)
5499 return;
5500 data->oy += ny;
5501
5502 if (data->searchmark != NULL && !data->timeout)
5503 window_copy_search_marks(wme, NULL, data->searchregex, 1);
5504 window_copy_update_selection(wme, 0, 0);
5505
5506 screen_write_start_pane(&ctx, wp, NULL);
5507 screen_write_cursormove(&ctx, 0, 0, 0);
5508 screen_write_insertline(&ctx, ny, 8);
5509 window_copy_write_lines(wme, &ctx, 0, ny);
5510 if (s->sel != NULL && screen_size_y(s) > ny)
5511 window_copy_write_line(wme, &ctx, ny);
5512 else if (ny == 1) /* nuke position */
5513 window_copy_write_line(wme, &ctx, 1);
5514 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
5515 screen_write_stop(&ctx);
5516 }
5517
5518 static void
5519 window_copy_rectangle_set(struct window_mode_entry *wme, int rectflag)
5520 {
5521 struct window_copy_mode_data *data = wme->data;
5522 u_int px, py;
5523
5524 data->rectflag = rectflag;
5525
5526 py = screen_hsize(data->backing) + data->cy - data->oy;
5527 px = window_copy_find_length(wme, py);
5528 if (data->cx > px)
5529 window_copy_update_cursor(wme, px, data->cy);
5530
5531 window_copy_update_selection(wme, 1, 0);
5532 window_copy_redraw_screen(wme);
5533 }
5534
5535 static void
5536 window_copy_move_mouse(struct mouse_event *m)
5537 {
5538 struct window_pane *wp;
5539 struct window_mode_entry *wme;
5540 u_int x, y;
5541
5542 wp = cmd_mouse_pane(m, NULL, NULL);
5543 if (wp == NULL)
5544 return;
5545 wme = TAILQ_FIRST(&wp->modes);
5546 if (wme == NULL)
5547 return;
5548 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5549 return;
5550
5551 if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
5552 return;
5553
5554 window_copy_update_cursor(wme, x, y);
5555 }
5556
5557 void
5558 window_copy_start_drag(struct client *c, struct mouse_event *m)
5559 {
5560 struct window_pane *wp;
5561 struct window_mode_entry *wme;
5562 struct window_copy_mode_data *data;
5563 u_int x, y, yg;
5564
5565 if (c == NULL)
5566 return;
5567
5568 wp = cmd_mouse_pane(m, NULL, NULL);
5569 if (wp == NULL)
5570 return;
5571 wme = TAILQ_FIRST(&wp->modes);
5572 if (wme == NULL)
5573 return;
5574 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5575 return;
5576
5577 if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
5578 return;
5579
5580 c->tty.mouse_drag_update = window_copy_drag_update;
5581 c->tty.mouse_drag_release = window_copy_drag_release;
5582
5583 data = wme->data;
5584 yg = screen_hsize(data->backing) + y - data->oy;
5585 if (x < data->selrx || x > data->endselrx || yg != data->selry)
5586 data->selflag = SEL_CHAR;
5587 switch (data->selflag) {
5588 case SEL_WORD:
5589 if (data->separators != NULL) {
5590 window_copy_update_cursor(wme, x, y);
5591 window_copy_cursor_previous_word_pos(wme,
5592 data->separators, &x, &y);
5593 y -= screen_hsize(data->backing) - data->oy;
5594 }
5595 window_copy_update_cursor(wme, x, y);
5596 break;
5597 case SEL_LINE:
5598 window_copy_update_cursor(wme, 0, y);
5599 break;
5600 case SEL_CHAR:
5601 window_copy_update_cursor(wme, x, y);
5602 window_copy_start_selection(wme);
5603 break;
5604 }
5605
5606 window_copy_redraw_screen(wme);
5607 window_copy_drag_update(c, m);
5608 }
5609
5610 static void
5611 window_copy_drag_update(struct client *c, struct mouse_event *m)
5612 {
5613 struct window_pane *wp;
5614 struct window_mode_entry *wme;
5615 struct window_copy_mode_data *data;
5616 u_int x, y, old_cx, old_cy;
5617 struct timeval tv = {
5618 .tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
5619 };
5620
5621 if (c == NULL)
5622 return;
5623
5624 wp = cmd_mouse_pane(m, NULL, NULL);
5625 if (wp == NULL)
5626 return;
5627 wme = TAILQ_FIRST(&wp->modes);
5628 if (wme == NULL)
5629 return;
5630 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5631 return;
5632
5633 data = wme->data;
5634 evtimer_del(&data->dragtimer);
5635
5636 if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
5637 return;
5638 old_cx = data->cx;
5639 old_cy = data->cy;
5640
5641 window_copy_update_cursor(wme, x, y);
5642 if (window_copy_update_selection(wme, 1, 0))
5643 window_copy_redraw_selection(wme, old_cy);
5644 if (old_cy != data->cy || old_cx == data->cx) {
5645 if (y == 0) {
5646 evtimer_add(&data->dragtimer, &tv);
5647 window_copy_cursor_up(wme, 1);
5648 } else if (y == screen_size_y(&data->screen) - 1) {
5649 evtimer_add(&data->dragtimer, &tv);
5650 window_copy_cursor_down(wme, 1);
5651 }
5652 }
5653 }
5654
5655 static void
5656 window_copy_drag_release(struct client *c, struct mouse_event *m)
5657 {
5658 struct window_pane *wp;
5659 struct window_mode_entry *wme;
5660 struct window_copy_mode_data *data;
5661
5662 if (c == NULL)
5663 return;
5664
5665 wp = cmd_mouse_pane(m, NULL, NULL);
5666 if (wp == NULL)
5667 return;
5668 wme = TAILQ_FIRST(&wp->modes);
5669 if (wme == NULL)
5670 return;
5671 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5672 return;
5673
5674 data = wme->data;
5675 evtimer_del(&data->dragtimer);
5676 }
5677
5678 static void
5679 window_copy_jump_to_mark(struct window_mode_entry *wme)
5680 {
5681 struct window_copy_mode_data *data = wme->data;
5682 u_int tmx, tmy;
5683
5684 tmx = data->cx;
5685 tmy = screen_hsize(data->backing) + data->cy - data->oy;
5686 data->cx = data->mx;
5687 if (data->my < screen_hsize(data->backing)) {
5688 data->cy = 0;
5689 data->oy = screen_hsize(data->backing) - data->my;
5690 } else {
5691 data->cy = data->my - screen_hsize(data->backing);
5692 data->oy = 0;
5693 }
5694 data->mx = tmx;
5695 data->my = tmy;
5696 data->showmark = 1;
5697 window_copy_update_selection(wme, 0, 0);
5698 window_copy_redraw_screen(wme);
5699 }
5700
5701 /* Scroll up if the cursor went off the visible screen. */
5702 static void
5703 window_copy_acquire_cursor_up(struct window_mode_entry *wme, u_int hsize,
5704 u_int oy, u_int oldy, u_int px, u_int py)
5705 {
5706 u_int cy, yy, ny, nd;
5707
5708 yy = hsize - oy;
5709 if (py < yy) {
5710 ny = yy - py;
5711 cy = 0;
5712 nd = 1;
5713 } else {
5714 ny = 0;
5715 cy = py - yy;
5716 nd = oldy - cy + 1;
5717 }
5718 while (ny > 0) {
5719 window_copy_cursor_up(wme, 1);
5720 ny--;
5721 }
5722 window_copy_update_cursor(wme, px, cy);
5723 if (window_copy_update_selection(wme, 1, 0))
5724 window_copy_redraw_lines(wme, cy, nd);
5725 }
5726
5727 /* Scroll down if the cursor went off the visible screen. */
5728 static void
5729 window_copy_acquire_cursor_down(struct window_mode_entry *wme, u_int hsize,
5730 u_int sy, u_int oy, u_int oldy, u_int px, u_int py, int no_reset)
5731 {
5732 u_int cy, yy, ny, nd;
5733
5734 cy = py - hsize + oy;
5735 yy = sy - 1;
5736 if (cy > yy) {
5737 ny = cy - yy;
5738 oldy = yy;
5739 nd = 1;
5740 } else {
5741 ny = 0;
5742 nd = cy - oldy + 1;
5743 }
5744 while (ny > 0) {
5745 window_copy_cursor_down(wme, 1);
5746 ny--;
5747 }
5748 if (cy > yy)
5749 window_copy_update_cursor(wme, px, yy);
5750 else
5751 window_copy_update_cursor(wme, px, cy);
5752 if (window_copy_update_selection(wme, 1, no_reset))
5753 window_copy_redraw_lines(wme, oldy, nd);
5754 }