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Clarify text for new -A slightly, GitHub issue 3508.
[tmux-openbsd.git] / window-copy.c
blobed481d7028b29ef92deb9af1ae7cef73c3dce0dc
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_scroll_up(struct window_mode_entry *, u_int);
135 static void window_copy_scroll_down(struct window_mode_entry *, u_int);
136 static void window_copy_rectangle_set(struct window_mode_entry *, int);
137 static void window_copy_move_mouse(struct mouse_event *);
138 static void window_copy_drag_update(struct client *, struct mouse_event *);
139 static void window_copy_drag_release(struct client *, struct mouse_event *);
140 static void window_copy_jump_to_mark(struct window_mode_entry *);
141 static void window_copy_acquire_cursor_up(struct window_mode_entry *,
142 u_int, u_int, u_int, u_int, u_int);
143 static void window_copy_acquire_cursor_down(struct window_mode_entry *,
144 u_int, u_int, u_int, u_int, u_int, u_int, int);
145
146 const struct window_mode window_copy_mode = {
147 .name = "copy-mode",
148
149 .init = window_copy_init,
150 .free = window_copy_free,
151 .resize = window_copy_resize,
152 .key_table = window_copy_key_table,
153 .command = window_copy_command,
154 .formats = window_copy_formats,
155 };
156
157 const struct window_mode window_view_mode = {
158 .name = "view-mode",
159
160 .init = window_copy_view_init,
161 .free = window_copy_free,
162 .resize = window_copy_resize,
163 .key_table = window_copy_key_table,
164 .command = window_copy_command,
165 .formats = window_copy_formats,
166 };
167
168 enum {
169 WINDOW_COPY_OFF,
170 WINDOW_COPY_SEARCHUP,
171 WINDOW_COPY_SEARCHDOWN,
172 WINDOW_COPY_JUMPFORWARD,
173 WINDOW_COPY_JUMPBACKWARD,
174 WINDOW_COPY_JUMPTOFORWARD,
175 WINDOW_COPY_JUMPTOBACKWARD,
176 };
177
178 enum {
179 WINDOW_COPY_REL_POS_ABOVE,
180 WINDOW_COPY_REL_POS_ON_SCREEN,
181 WINDOW_COPY_REL_POS_BELOW,
182 };
183
184 enum window_copy_cmd_action {
185 WINDOW_COPY_CMD_NOTHING,
186 WINDOW_COPY_CMD_REDRAW,
187 WINDOW_COPY_CMD_CANCEL,
188 };
189
190 enum window_copy_cmd_clear {
191 WINDOW_COPY_CMD_CLEAR_ALWAYS,
192 WINDOW_COPY_CMD_CLEAR_NEVER,
193 WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
194 };
195
196 struct window_copy_cmd_state {
197 struct window_mode_entry *wme;
198 struct args *args;
199 struct mouse_event *m;
200
201 struct client *c;
202 struct session *s;
203 struct winlink *wl;
204 };
205
206 /*
207 * Copy mode's visible screen (the "screen" field) is filled from one of two
208 * sources: the original contents of the pane (used when we actually enter via
209 * the "copy-mode" command, to copy the contents of the current pane), or else
210 * a series of lines containing the output from an output-writing tmux command
211 * (such as any of the "show-*" or "list-*" commands).
212 *
213 * In either case, the full content of the copy-mode grid is pointed at by the
214 * "backing" field, and is copied into "screen" as needed (that is, when
215 * scrolling occurs). When copy-mode is backed by a pane, backing points
216 * directly at that pane's screen structure (&wp->base); when backed by a list
217 * of output-lines from a command, it points at a newly-allocated screen
218 * structure (which is deallocated when the mode ends).
219 */
220 struct window_copy_mode_data {
221 struct screen screen;
222
223 struct screen *backing;
224 int backing_written; /* backing display started */
225 struct screen *writing;
226 struct input_ctx *ictx;
227
228 int viewmode; /* view mode entered */
229
230 u_int oy; /* number of lines scrolled up */
231
232 u_int selx; /* beginning of selection */
233 u_int sely;
234
235 u_int endselx; /* end of selection */
236 u_int endsely;
237
238 enum {
239 CURSORDRAG_NONE, /* selection is independent of cursor */
240 CURSORDRAG_ENDSEL, /* end is synchronized with cursor */
241 CURSORDRAG_SEL, /* start is synchronized with cursor */
242 } cursordrag;
243
244 int modekeys;
245 enum {
246 LINE_SEL_NONE,
247 LINE_SEL_LEFT_RIGHT,
248 LINE_SEL_RIGHT_LEFT,
249 } lineflag; /* line selection mode */
250 int rectflag; /* in rectangle copy mode? */
251 int scroll_exit; /* exit on scroll to end? */
252 int hide_position; /* hide position marker */
253
254 enum {
255 SEL_CHAR, /* select one char at a time */
256 SEL_WORD, /* select one word at a time */
257 SEL_LINE, /* select one line at a time */
258 } selflag;
259
260 const char *separators; /* word separators */
261
262 u_int dx; /* drag start position */
263 u_int dy;
264
265 u_int selrx; /* selection reset positions */
266 u_int selry;
267 u_int endselrx;
268 u_int endselry;
269
270 u_int cx;
271 u_int cy;
272
273 u_int lastcx; /* position in last line w/ content */
274 u_int lastsx; /* size of last line w/ content */
275
276 u_int mx; /* mark position */
277 u_int my;
278 int showmark;
279
280 int searchtype;
281 int searchdirection;
282 int searchregex;
283 char *searchstr;
284 u_char *searchmark;
285 int searchcount;
286 int searchmore;
287 int searchall;
288 int searchx;
289 int searchy;
290 int searcho;
291 u_char searchgen;
292
293 int timeout; /* search has timed out */
294 #define WINDOW_COPY_SEARCH_TIMEOUT 10000
295 #define WINDOW_COPY_SEARCH_ALL_TIMEOUT 200
296
297 int jumptype;
298 struct utf8_data *jumpchar;
299
300 struct event dragtimer;
301 #define WINDOW_COPY_DRAG_REPEAT_TIME 50000
302 };
303
304 static void
305 window_copy_scroll_timer(__unused int fd, __unused short events, void *arg)
306 {
307 struct window_mode_entry *wme = arg;
308 struct window_pane *wp = wme->wp;
309 struct window_copy_mode_data *data = wme->data;
310 struct timeval tv = {
311 .tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
312 };
313
314 evtimer_del(&data->dragtimer);
315
316 if (TAILQ_FIRST(&wp->modes) != wme)
317 return;
318
319 if (data->cy == 0) {
320 evtimer_add(&data->dragtimer, &tv);
321 window_copy_cursor_up(wme, 1);
322 } else if (data->cy == screen_size_y(&data->screen) - 1) {
323 evtimer_add(&data->dragtimer, &tv);
324 window_copy_cursor_down(wme, 1);
325 }
326 }
327
328 static struct screen *
329 window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
330 u_int *cy, int trim)
331 {
332 struct screen *dst;
333 const struct grid_line *gl;
334 u_int sy, wx, wy;
335 int reflow;
336
337 dst = xcalloc(1, sizeof *dst);
338
339 sy = screen_hsize(src) + screen_size_y(src);
340 if (trim) {
341 while (sy > screen_hsize(src)) {
342 gl = grid_peek_line(src->grid, sy - 1);
343 if (gl->cellused != 0)
344 break;
345 sy--;
346 }
347 }
348 log_debug("%s: target screen is %ux%u, source %ux%u", __func__,
349 screen_size_x(src), sy, screen_size_x(hint),
350 screen_hsize(src) + screen_size_y(src));
351 screen_init(dst, screen_size_x(src), sy, screen_hlimit(src));
352
353 /*
354 * Ensure history is on for the backing grid so lines are not deleted
355 * during resizing.
356 */
357 dst->grid->flags |= GRID_HISTORY;
358 grid_duplicate_lines(dst->grid, 0, src->grid, 0, sy);
359
360 dst->grid->sy = sy - screen_hsize(src);
361 dst->grid->hsize = screen_hsize(src);
362 dst->grid->hscrolled = src->grid->hscrolled;
363 if (src->cy > dst->grid->sy - 1) {
364 dst->cx = 0;
365 dst->cy = dst->grid->sy - 1;
366 } else {
367 dst->cx = src->cx;
368 dst->cy = src->cy;
369 }
370
371 if (cx != NULL && cy != NULL) {
372 *cx = dst->cx;
373 *cy = screen_hsize(dst) + dst->cy;
374 reflow = (screen_size_x(hint) != screen_size_x(dst));
375 }
376 else
377 reflow = 0;
378 if (reflow)
379 grid_wrap_position(dst->grid, *cx, *cy, &wx, &wy);
380 screen_resize_cursor(dst, screen_size_x(hint), screen_size_y(hint), 1,
381 0, 0);
382 if (reflow)
383 grid_unwrap_position(dst->grid, cx, cy, wx, wy);
384
385 return (dst);
386 }
387
388 static struct window_copy_mode_data *
389 window_copy_common_init(struct window_mode_entry *wme)
390 {
391 struct window_pane *wp = wme->wp;
392 struct window_copy_mode_data *data;
393 struct screen *base = &wp->base;
394
395 wme->data = data = xcalloc(1, sizeof *data);
396
397 data->cursordrag = CURSORDRAG_NONE;
398 data->lineflag = LINE_SEL_NONE;
399 data->selflag = SEL_CHAR;
400
401 if (wp->searchstr != NULL) {
402 data->searchtype = WINDOW_COPY_SEARCHUP;
403 data->searchregex = wp->searchregex;
404 data->searchstr = xstrdup(wp->searchstr);
405 } else {
406 data->searchtype = WINDOW_COPY_OFF;
407 data->searchregex = 0;
408 data->searchstr = NULL;
409 }
410 data->searchx = data->searchy = data->searcho = -1;
411 data->searchall = 1;
412
413 data->jumptype = WINDOW_COPY_OFF;
414 data->jumpchar = NULL;
415
416 screen_init(&data->screen, screen_size_x(base), screen_size_y(base), 0);
417 data->modekeys = options_get_number(wp->window->options, "mode-keys");
418
419 evtimer_set(&data->dragtimer, window_copy_scroll_timer, wme);
420
421 return (data);
422 }
423
424 static struct screen *
425 window_copy_init(struct window_mode_entry *wme,
426 __unused struct cmd_find_state *fs, struct args *args)
427 {
428 struct window_pane *wp = wme->swp;
429 struct window_copy_mode_data *data;
430 struct screen *base = &wp->base;
431 struct screen_write_ctx ctx;
432 u_int i, cx, cy;
433
434 data = window_copy_common_init(wme);
435 data->backing = window_copy_clone_screen(base, &data->screen, &cx, &cy,
436 wme->swp != wme->wp);
437
438 data->cx = cx;
439 if (cy < screen_hsize(data->backing)) {
440 data->cy = 0;
441 data->oy = screen_hsize(data->backing) - cy;
442 } else {
443 data->cy = cy - screen_hsize(data->backing);
444 data->oy = 0;
445 }
446
447 data->scroll_exit = args_has(args, 'e');
448 data->hide_position = args_has(args, 'H');
449
450 data->screen.cx = data->cx;
451 data->screen.cy = data->cy;
452 data->mx = data->cx;
453 data->my = screen_hsize(data->backing) + data->cy - data->oy;
454 data->showmark = 0;
455
456 screen_write_start(&ctx, &data->screen);
457 for (i = 0; i < screen_size_y(&data->screen); i++)
458 window_copy_write_line(wme, &ctx, i);
459 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
460 screen_write_stop(&ctx);
461
462 return (&data->screen);
463 }
464
465 static struct screen *
466 window_copy_view_init(struct window_mode_entry *wme,
467 __unused struct cmd_find_state *fs, __unused struct args *args)
468 {
469 struct window_pane *wp = wme->wp;
470 struct window_copy_mode_data *data;
471 struct screen *base = &wp->base;
472 u_int sx = screen_size_x(base);
473
474 data = window_copy_common_init(wme);
475 data->viewmode = 1;
476
477 data->backing = xmalloc(sizeof *data->backing);
478 screen_init(data->backing, sx, screen_size_y(base), UINT_MAX);
479 data->writing = xmalloc(sizeof *data->writing);
480 screen_init(data->writing, sx, screen_size_y(base), 0);
481 data->ictx = input_init(NULL, NULL, NULL);
482 data->mx = data->cx;
483 data->my = screen_hsize(data->backing) + data->cy - data->oy;
484 data->showmark = 0;
485
486 return (&data->screen);
487 }
488
489 static void
490 window_copy_free(struct window_mode_entry *wme)
491 {
492 struct window_copy_mode_data *data = wme->data;
493
494 evtimer_del(&data->dragtimer);
495
496 free(data->searchmark);
497 free(data->searchstr);
498 free(data->jumpchar);
499
500 if (data->writing != NULL) {
501 screen_free(data->writing);
502 free(data->writing);
503 }
504 if (data->ictx != NULL)
505 input_free(data->ictx);
506 screen_free(data->backing);
507 free(data->backing);
508
509 screen_free(&data->screen);
510 free(data);
511 }
512
513 void
514 window_copy_add(struct window_pane *wp, int parse, const char *fmt, ...)
515 {
516 va_list ap;
517
518 va_start(ap, fmt);
519 window_copy_vadd(wp, parse, fmt, ap);
520 va_end(ap);
521 }
522
523 static void
524 window_copy_init_ctx_cb(__unused struct screen_write_ctx *ctx,
525 struct tty_ctx *ttyctx)
526 {
527 memcpy(&ttyctx->defaults, &grid_default_cell, sizeof ttyctx->defaults);
528 ttyctx->palette = NULL;
529 ttyctx->redraw_cb = NULL;
530 ttyctx->set_client_cb = NULL;
531 ttyctx->arg = NULL;
532 }
533
534 void
535 window_copy_vadd(struct window_pane *wp, int parse, const char *fmt, va_list ap)
536 {
537 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
538 struct window_copy_mode_data *data = wme->data;
539 struct screen *backing = data->backing;
540 struct screen *writing = data->writing;
541 struct screen_write_ctx writing_ctx, backing_ctx, ctx;
542 struct grid_cell gc;
543 u_int old_hsize, old_cy;
544 u_int sx = screen_size_x(backing);
545 char *text;
546
547 if (parse) {
548 vasprintf(&text, fmt, ap);
549 screen_write_start(&writing_ctx, writing);
550 screen_write_reset(&writing_ctx);
551 input_parse_screen(data->ictx, writing, window_copy_init_ctx_cb,
552 data, text, strlen(text));
553 free(text);
554 }
555
556 old_hsize = screen_hsize(data->backing);
557 screen_write_start(&backing_ctx, backing);
558 if (data->backing_written) {
559 /*
560 * On the second or later line, do a CRLF before writing
561 * (so it's on a new line).
562 */
563 screen_write_carriagereturn(&backing_ctx);
564 screen_write_linefeed(&backing_ctx, 0, 8);
565 } else
566 data->backing_written = 1;
567 old_cy = backing->cy;
568 if (parse)
569 screen_write_fast_copy(&backing_ctx, writing, 0, 0, sx, 1);
570 else {
571 memcpy(&gc, &grid_default_cell, sizeof gc);
572 screen_write_vnputs(&backing_ctx, 0, &gc, fmt, ap);
573 }
574 screen_write_stop(&backing_ctx);
575
576 data->oy += screen_hsize(data->backing) - old_hsize;
577
578 screen_write_start_pane(&ctx, wp, &data->screen);
579
580 /*
581 * If the history has changed, draw the top line.
582 * (If there's any history at all, it has changed.)
583 */
584 if (screen_hsize(data->backing))
585 window_copy_redraw_lines(wme, 0, 1);
586
587 /* Write the new lines. */
588 window_copy_redraw_lines(wme, old_cy, backing->cy - old_cy + 1);
589
590 screen_write_stop(&ctx);
591 }
592
593 void
594 window_copy_pageup(struct window_pane *wp, int half_page)
595 {
596 window_copy_pageup1(TAILQ_FIRST(&wp->modes), half_page);
597 }
598
599 static void
600 window_copy_pageup1(struct window_mode_entry *wme, int half_page)
601 {
602 struct window_copy_mode_data *data = wme->data;
603 struct screen *s = &data->screen;
604 u_int n, ox, oy, px, py;
605
606 oy = screen_hsize(data->backing) + data->cy - data->oy;
607 ox = window_copy_find_length(wme, oy);
608
609 if (data->cx != ox) {
610 data->lastcx = data->cx;
611 data->lastsx = ox;
612 }
613 data->cx = data->lastcx;
614
615 n = 1;
616 if (screen_size_y(s) > 2) {
617 if (half_page)
618 n = screen_size_y(s) / 2;
619 else
620 n = screen_size_y(s) - 2;
621 }
622
623 if (data->oy + n > screen_hsize(data->backing)) {
624 data->oy = screen_hsize(data->backing);
625 if (data->cy < n)
626 data->cy = 0;
627 else
628 data->cy -= n;
629 } else
630 data->oy += n;
631
632 if (data->screen.sel == NULL || !data->rectflag) {
633 py = screen_hsize(data->backing) + data->cy - data->oy;
634 px = window_copy_find_length(wme, py);
635 if ((data->cx >= data->lastsx && data->cx != px) ||
636 data->cx > px)
637 window_copy_cursor_end_of_line(wme);
638 }
639
640 if (data->searchmark != NULL && !data->timeout)
641 window_copy_search_marks(wme, NULL, data->searchregex, 1);
642 window_copy_update_selection(wme, 1, 0);
643 window_copy_redraw_screen(wme);
644 }
645
646 static int
647 window_copy_pagedown(struct window_mode_entry *wme, int half_page,
648 int scroll_exit)
649 {
650 struct window_copy_mode_data *data = wme->data;
651 struct screen *s = &data->screen;
652 u_int n, ox, oy, px, py;
653
654 oy = screen_hsize(data->backing) + data->cy - data->oy;
655 ox = window_copy_find_length(wme, oy);
656
657 if (data->cx != ox) {
658 data->lastcx = data->cx;
659 data->lastsx = ox;
660 }
661 data->cx = data->lastcx;
662
663 n = 1;
664 if (screen_size_y(s) > 2) {
665 if (half_page)
666 n = screen_size_y(s) / 2;
667 else
668 n = screen_size_y(s) - 2;
669 }
670
671 if (data->oy < n) {
672 data->oy = 0;
673 if (data->cy + (n - data->oy) >= screen_size_y(data->backing))
674 data->cy = screen_size_y(data->backing) - 1;
675 else
676 data->cy += n - data->oy;
677 } else
678 data->oy -= n;
679
680 if (data->screen.sel == NULL || !data->rectflag) {
681 py = screen_hsize(data->backing) + data->cy - data->oy;
682 px = window_copy_find_length(wme, py);
683 if ((data->cx >= data->lastsx && data->cx != px) ||
684 data->cx > px)
685 window_copy_cursor_end_of_line(wme);
686 }
687
688 if (scroll_exit && data->oy == 0)
689 return (1);
690 if (data->searchmark != NULL && !data->timeout)
691 window_copy_search_marks(wme, NULL, data->searchregex, 1);
692 window_copy_update_selection(wme, 1, 0);
693 window_copy_redraw_screen(wme);
694 return (0);
695 }
696
697 static void
698 window_copy_previous_paragraph(struct window_mode_entry *wme)
699 {
700 struct window_copy_mode_data *data = wme->data;
701 u_int oy;
702
703 oy = screen_hsize(data->backing) + data->cy - data->oy;
704
705 while (oy > 0 && window_copy_find_length(wme, oy) == 0)
706 oy--;
707
708 while (oy > 0 && window_copy_find_length(wme, oy) > 0)
709 oy--;
710
711 window_copy_scroll_to(wme, 0, oy, 0);
712 }
713
714 static void
715 window_copy_next_paragraph(struct window_mode_entry *wme)
716 {
717 struct window_copy_mode_data *data = wme->data;
718 struct screen *s = &data->screen;
719 u_int maxy, ox, oy;
720
721 oy = screen_hsize(data->backing) + data->cy - data->oy;
722 maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
723
724 while (oy < maxy && window_copy_find_length(wme, oy) == 0)
725 oy++;
726
727 while (oy < maxy && window_copy_find_length(wme, oy) > 0)
728 oy++;
729
730 ox = window_copy_find_length(wme, oy);
731 window_copy_scroll_to(wme, ox, oy, 0);
732 }
733
734 char *
735 window_copy_get_word(struct window_pane *wp, u_int x, u_int y)
736 {
737 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
738 struct window_copy_mode_data *data = wme->data;
739 struct grid *gd = data->screen.grid;
740
741 return (format_grid_word(gd, x, gd->hsize + y));
742 }
743
744 char *
745 window_copy_get_line(struct window_pane *wp, u_int y)
746 {
747 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
748 struct window_copy_mode_data *data = wme->data;
749 struct grid *gd = data->screen.grid;
750
751 return (format_grid_line(gd, gd->hsize + y));
752 }
753
754 static void *
755 window_copy_cursor_word_cb(struct format_tree *ft)
756 {
757 struct window_pane *wp = format_get_pane(ft);
758 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
759 struct window_copy_mode_data *data = wme->data;
760
761 return (window_copy_get_word(wp, data->cx, data->cy));
762 }
763
764 static void *
765 window_copy_cursor_line_cb(struct format_tree *ft)
766 {
767 struct window_pane *wp = format_get_pane(ft);
768 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
769 struct window_copy_mode_data *data = wme->data;
770
771 return (window_copy_get_line(wp, data->cy));
772 }
773
774 static void *
775 window_copy_search_match_cb(struct format_tree *ft)
776 {
777 struct window_pane *wp = format_get_pane(ft);
778 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
779 struct window_copy_mode_data *data = wme->data;
780
781 return (window_copy_match_at_cursor(data));
782 }
783
784 static void
785 window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
786 {
787 struct window_copy_mode_data *data = wme->data;
788
789 format_add(ft, "scroll_position", "%d", data->oy);
790 format_add(ft, "rectangle_toggle", "%d", data->rectflag);
791
792 format_add(ft, "copy_cursor_x", "%d", data->cx);
793 format_add(ft, "copy_cursor_y", "%d", data->cy);
794
795 format_add(ft, "selection_present", "%d", data->screen.sel != NULL);
796 if (data->screen.sel != NULL) {
797 format_add(ft, "selection_start_x", "%d", data->selx);
798 format_add(ft, "selection_start_y", "%d", data->sely);
799 format_add(ft, "selection_end_x", "%d", data->endselx);
800 format_add(ft, "selection_end_y", "%d", data->endsely);
801 format_add(ft, "selection_active", "%d",
802 data->cursordrag != CURSORDRAG_NONE);
803 } else
804 format_add(ft, "selection_active", "%d", 0);
805
806 format_add(ft, "search_present", "%d", data->searchmark != NULL);
807 format_add_cb(ft, "search_match", window_copy_search_match_cb);
808
809 format_add_cb(ft, "copy_cursor_word", window_copy_cursor_word_cb);
810 format_add_cb(ft, "copy_cursor_line", window_copy_cursor_line_cb);
811 }
812
813 static void
814 window_copy_size_changed(struct window_mode_entry *wme)
815 {
816 struct window_copy_mode_data *data = wme->data;
817 struct screen *s = &data->screen;
818 struct screen_write_ctx ctx;
819 int search = (data->searchmark != NULL);
820
821 window_copy_clear_selection(wme);
822 window_copy_clear_marks(wme);
823
824 screen_write_start(&ctx, s);
825 window_copy_write_lines(wme, &ctx, 0, screen_size_y(s));
826 screen_write_stop(&ctx);
827
828 if (search && !data->timeout)
829 window_copy_search_marks(wme, NULL, data->searchregex, 0);
830 data->searchx = data->cx;
831 data->searchy = data->cy;
832 data->searcho = data->oy;
833 }
834
835 static void
836 window_copy_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
837 {
838 struct window_copy_mode_data *data = wme->data;
839 struct screen *s = &data->screen;
840 struct grid *gd = data->backing->grid;
841 u_int cx, cy, wx, wy;
842 int reflow;
843
844 screen_resize(s, sx, sy, 0);
845 cx = data->cx;
846 cy = gd->hsize + data->cy - data->oy;
847 reflow = (gd->sx != sx);
848 if (reflow)
849 grid_wrap_position(gd, cx, cy, &wx, &wy);
850 screen_resize_cursor(data->backing, sx, sy, 1, 0, 0);
851 if (reflow)
852 grid_unwrap_position(gd, &cx, &cy, wx, wy);
853
854 data->cx = cx;
855 if (cy < gd->hsize) {
856 data->cy = 0;
857 data->oy = gd->hsize - cy;
858 } else {
859 data->cy = cy - gd->hsize;
860 data->oy = 0;
861 }
862
863 window_copy_size_changed(wme);
864 window_copy_redraw_screen(wme);
865 }
866
867 static const char *
868 window_copy_key_table(struct window_mode_entry *wme)
869 {
870 struct window_pane *wp = wme->wp;
871
872 if (options_get_number(wp->window->options, "mode-keys") == MODEKEY_VI)
873 return ("copy-mode-vi");
874 return ("copy-mode");
875 }
876
877 static int
878 window_copy_expand_search_string(struct window_copy_cmd_state *cs)
879 {
880 struct window_mode_entry *wme = cs->wme;
881 struct window_copy_mode_data *data = wme->data;
882 const char *ss = args_string(cs->args, 1);
883 char *expanded;
884
885 if (ss == NULL || *ss == '\0')
886 return (0);
887
888 if (args_has(cs->args, 'F')) {
889 expanded = format_single(NULL, ss, NULL, NULL, NULL, wme->wp);
890 if (*expanded == '\0') {
891 free(expanded);
892 return (0);
893 }
894 free(data->searchstr);
895 data->searchstr = expanded;
896 } else {
897 free(data->searchstr);
898 data->searchstr = xstrdup(ss);
899 }
900 return (1);
901 }
902
903 static enum window_copy_cmd_action
904 window_copy_cmd_append_selection(struct window_copy_cmd_state *cs)
905 {
906 struct window_mode_entry *wme = cs->wme;
907 struct session *s = cs->s;
908
909 if (s != NULL)
910 window_copy_append_selection(wme);
911 window_copy_clear_selection(wme);
912 return (WINDOW_COPY_CMD_REDRAW);
913 }
914
915 static enum window_copy_cmd_action
916 window_copy_cmd_append_selection_and_cancel(struct window_copy_cmd_state *cs)
917 {
918 struct window_mode_entry *wme = cs->wme;
919 struct session *s = cs->s;
920
921 if (s != NULL)
922 window_copy_append_selection(wme);
923 window_copy_clear_selection(wme);
924 return (WINDOW_COPY_CMD_CANCEL);
925 }
926
927 static enum window_copy_cmd_action
928 window_copy_cmd_back_to_indentation(struct window_copy_cmd_state *cs)
929 {
930 struct window_mode_entry *wme = cs->wme;
931
932 window_copy_cursor_back_to_indentation(wme);
933 return (WINDOW_COPY_CMD_NOTHING);
934 }
935
936 static enum window_copy_cmd_action
937 window_copy_cmd_begin_selection(struct window_copy_cmd_state *cs)
938 {
939 struct window_mode_entry *wme = cs->wme;
940 struct client *c = cs->c;
941 struct mouse_event *m = cs->m;
942 struct window_copy_mode_data *data = wme->data;
943
944 if (m != NULL) {
945 window_copy_start_drag(c, m);
946 return (WINDOW_COPY_CMD_NOTHING);
947 }
948
949 data->lineflag = LINE_SEL_NONE;
950 data->selflag = SEL_CHAR;
951 window_copy_start_selection(wme);
952 return (WINDOW_COPY_CMD_REDRAW);
953 }
954
955 static enum window_copy_cmd_action
956 window_copy_cmd_stop_selection(struct window_copy_cmd_state *cs)
957 {
958 struct window_mode_entry *wme = cs->wme;
959 struct window_copy_mode_data *data = wme->data;
960
961 data->cursordrag = CURSORDRAG_NONE;
962 data->lineflag = LINE_SEL_NONE;
963 data->selflag = SEL_CHAR;
964 return (WINDOW_COPY_CMD_NOTHING);
965 }
966
967 static enum window_copy_cmd_action
968 window_copy_cmd_bottom_line(struct window_copy_cmd_state *cs)
969 {
970 struct window_mode_entry *wme = cs->wme;
971 struct window_copy_mode_data *data = wme->data;
972
973 data->cx = 0;
974 data->cy = screen_size_y(&data->screen) - 1;
975
976 window_copy_update_selection(wme, 1, 0);
977 return (WINDOW_COPY_CMD_REDRAW);
978 }
979
980 static enum window_copy_cmd_action
981 window_copy_cmd_cancel(__unused struct window_copy_cmd_state *cs)
982 {
983 return (WINDOW_COPY_CMD_CANCEL);
984 }
985
986 static enum window_copy_cmd_action
987 window_copy_cmd_clear_selection(struct window_copy_cmd_state *cs)
988 {
989 struct window_mode_entry *wme = cs->wme;
990
991 window_copy_clear_selection(wme);
992 return (WINDOW_COPY_CMD_REDRAW);
993 }
994
995 static enum window_copy_cmd_action
996 window_copy_do_copy_end_of_line(struct window_copy_cmd_state *cs, int pipe,
997 int cancel)
998 {
999 struct window_mode_entry *wme = cs->wme;
1000 struct client *c = cs->c;
1001 struct session *s = cs->s;
1002 struct winlink *wl = cs->wl;
1003 struct window_pane *wp = wme->wp;
1004 u_int count = args_count(cs->args);
1005 u_int np = wme->prefix, ocx, ocy, ooy;
1006 struct window_copy_mode_data *data = wme->data;
1007 char *prefix = NULL, *command = NULL;
1008 const char *arg1 = args_string(cs->args, 1);
1009 const char *arg2 = args_string(cs->args, 2);
1010
1011 if (pipe) {
1012 if (count == 3)
1013 prefix = format_single(NULL, arg2, c, s, wl, wp);
1014 if (s != NULL && count > 1 && *arg1 != '\0')
1015 command = format_single(NULL, arg1, c, s, wl, wp);
1016 } else {
1017 if (count == 2)
1018 prefix = format_single(NULL, arg1, c, s, wl, wp);
1019 }
1020
1021 ocx = data->cx;
1022 ocy = data->cy;
1023 ooy = data->oy;
1024
1025 window_copy_start_selection(wme);
1026 for (; np > 1; np--)
1027 window_copy_cursor_down(wme, 0);
1028 window_copy_cursor_end_of_line(wme);
1029
1030 if (s != NULL) {
1031 if (pipe)
1032 window_copy_copy_pipe(wme, s, prefix, command);
1033 else
1034 window_copy_copy_selection(wme, prefix);
1035
1036 if (cancel) {
1037 free(prefix);
1038 free(command);
1039 return (WINDOW_COPY_CMD_CANCEL);
1040 }
1041 }
1042 window_copy_clear_selection(wme);
1043
1044 data->cx = ocx;
1045 data->cy = ocy;
1046 data->oy = ooy;
1047
1048 free(prefix);
1049 free(command);
1050 return (WINDOW_COPY_CMD_REDRAW);
1051 }
1052
1053 static enum window_copy_cmd_action
1054 window_copy_cmd_copy_end_of_line(struct window_copy_cmd_state *cs)
1055 {
1056 return (window_copy_do_copy_end_of_line(cs, 0, 0));
1057 }
1058
1059 static enum window_copy_cmd_action
1060 window_copy_cmd_copy_end_of_line_and_cancel(struct window_copy_cmd_state *cs)
1061 {
1062 return (window_copy_do_copy_end_of_line(cs, 0, 1));
1063 }
1064
1065 static enum window_copy_cmd_action
1066 window_copy_cmd_copy_pipe_end_of_line(struct window_copy_cmd_state *cs)
1067 {
1068 return (window_copy_do_copy_end_of_line(cs, 1, 0));
1069 }
1070
1071 static enum window_copy_cmd_action
1072 window_copy_cmd_copy_pipe_end_of_line_and_cancel(
1073 struct window_copy_cmd_state *cs)
1074 {
1075 return (window_copy_do_copy_end_of_line(cs, 1, 1));
1076 }
1077
1078 static enum window_copy_cmd_action
1079 window_copy_do_copy_line(struct window_copy_cmd_state *cs, int pipe, int cancel)
1080 {
1081 struct window_mode_entry *wme = cs->wme;
1082 struct client *c = cs->c;
1083 struct session *s = cs->s;
1084 struct winlink *wl = cs->wl;
1085 struct window_pane *wp = wme->wp;
1086 struct window_copy_mode_data *data = wme->data;
1087 u_int count = args_count(cs->args);
1088 u_int np = wme->prefix, ocx, ocy, ooy;
1089 char *prefix = NULL, *command = NULL;
1090 const char *arg1 = args_string(cs->args, 1);
1091 const char *arg2 = args_string(cs->args, 2);
1092
1093 if (pipe) {
1094 if (count == 3)
1095 prefix = format_single(NULL, arg2, c, s, wl, wp);
1096 if (s != NULL && count > 1 && *arg1 != '\0')
1097 command = format_single(NULL, arg1, c, s, wl, wp);
1098 } else {
1099 if (count == 2)
1100 prefix = format_single(NULL, arg1, c, s, wl, wp);
1101 }
1102
1103 ocx = data->cx;
1104 ocy = data->cy;
1105 ooy = data->oy;
1106
1107 data->selflag = SEL_CHAR;
1108 window_copy_cursor_start_of_line(wme);
1109 window_copy_start_selection(wme);
1110 for (; np > 1; np--)
1111 window_copy_cursor_down(wme, 0);
1112 window_copy_cursor_end_of_line(wme);
1113
1114 if (s != NULL) {
1115 if (pipe)
1116 window_copy_copy_pipe(wme, s, prefix, command);
1117 else
1118 window_copy_copy_selection(wme, prefix);
1119
1120 if (cancel) {
1121 free(prefix);
1122 free(command);
1123 return (WINDOW_COPY_CMD_CANCEL);
1124 }
1125 }
1126 window_copy_clear_selection(wme);
1127
1128 data->cx = ocx;
1129 data->cy = ocy;
1130 data->oy = ooy;
1131
1132 free(prefix);
1133 free(command);
1134 return (WINDOW_COPY_CMD_REDRAW);
1135 }
1136
1137 static enum window_copy_cmd_action
1138 window_copy_cmd_copy_line(struct window_copy_cmd_state *cs)
1139 {
1140 return (window_copy_do_copy_line(cs, 0, 0));
1141 }
1142
1143 static enum window_copy_cmd_action
1144 window_copy_cmd_copy_line_and_cancel(struct window_copy_cmd_state *cs)
1145 {
1146 return (window_copy_do_copy_line(cs, 0, 1));
1147 }
1148
1149 static enum window_copy_cmd_action
1150 window_copy_cmd_copy_pipe_line(struct window_copy_cmd_state *cs)
1151 {
1152 return (window_copy_do_copy_line(cs, 1, 0));
1153 }
1154
1155 static enum window_copy_cmd_action
1156 window_copy_cmd_copy_pipe_line_and_cancel(struct window_copy_cmd_state *cs)
1157 {
1158 return (window_copy_do_copy_line(cs, 1, 1));
1159 }
1160
1161 static enum window_copy_cmd_action
1162 window_copy_cmd_copy_selection_no_clear(struct window_copy_cmd_state *cs)
1163 {
1164 struct window_mode_entry *wme = cs->wme;
1165 struct client *c = cs->c;
1166 struct session *s = cs->s;
1167 struct winlink *wl = cs->wl;
1168 struct window_pane *wp = wme->wp;
1169 char *prefix = NULL;
1170 const char *arg1 = args_string(cs->args, 1);
1171
1172 if (arg1 != NULL)
1173 prefix = format_single(NULL, arg1, c, s, wl, wp);
1174
1175 if (s != NULL)
1176 window_copy_copy_selection(wme, prefix);
1177
1178 free(prefix);
1179 return (WINDOW_COPY_CMD_NOTHING);
1180 }
1181
1182 static enum window_copy_cmd_action
1183 window_copy_cmd_copy_selection(struct window_copy_cmd_state *cs)
1184 {
1185 struct window_mode_entry *wme = cs->wme;
1186
1187 window_copy_cmd_copy_selection_no_clear(cs);
1188 window_copy_clear_selection(wme);
1189 return (WINDOW_COPY_CMD_REDRAW);
1190 }
1191
1192 static enum window_copy_cmd_action
1193 window_copy_cmd_copy_selection_and_cancel(struct window_copy_cmd_state *cs)
1194 {
1195 struct window_mode_entry *wme = cs->wme;
1196
1197 window_copy_cmd_copy_selection_no_clear(cs);
1198 window_copy_clear_selection(wme);
1199 return (WINDOW_COPY_CMD_CANCEL);
1200 }
1201
1202 static enum window_copy_cmd_action
1203 window_copy_cmd_cursor_down(struct window_copy_cmd_state *cs)
1204 {
1205 struct window_mode_entry *wme = cs->wme;
1206 u_int np = wme->prefix;
1207
1208 for (; np != 0; np--)
1209 window_copy_cursor_down(wme, 0);
1210 return (WINDOW_COPY_CMD_NOTHING);
1211 }
1212
1213 static enum window_copy_cmd_action
1214 window_copy_cmd_cursor_down_and_cancel(struct window_copy_cmd_state *cs)
1215 {
1216 struct window_mode_entry *wme = cs->wme;
1217 struct window_copy_mode_data *data = wme->data;
1218 u_int np = wme->prefix, cy;
1219
1220 cy = data->cy;
1221 for (; np != 0; np--)
1222 window_copy_cursor_down(wme, 0);
1223 if (cy == data->cy && data->oy == 0)
1224 return (WINDOW_COPY_CMD_CANCEL);
1225 return (WINDOW_COPY_CMD_NOTHING);
1226 }
1227
1228 static enum window_copy_cmd_action
1229 window_copy_cmd_cursor_left(struct window_copy_cmd_state *cs)
1230 {
1231 struct window_mode_entry *wme = cs->wme;
1232 u_int np = wme->prefix;
1233
1234 for (; np != 0; np--)
1235 window_copy_cursor_left(wme);
1236 return (WINDOW_COPY_CMD_NOTHING);
1237 }
1238
1239 static enum window_copy_cmd_action
1240 window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs)
1241 {
1242 struct window_mode_entry *wme = cs->wme;
1243 struct window_copy_mode_data *data = wme->data;
1244 u_int np = wme->prefix;
1245
1246 for (; np != 0; np--) {
1247 window_copy_cursor_right(wme, data->screen.sel != NULL &&
1248 data->rectflag);
1249 }
1250 return (WINDOW_COPY_CMD_NOTHING);
1251 }
1252
1253 /* Scroll line containing the cursor to the given position. */
1254 static enum window_copy_cmd_action
1255 window_copy_cmd_scroll_to(struct window_copy_cmd_state *cs, u_int to)
1256 {
1257 struct window_mode_entry *wme = cs->wme;
1258 struct window_copy_mode_data *data = wme->data;
1259 u_int oy, delta;
1260 int scroll_up; /* >0 up, <0 down */
1261
1262 scroll_up = data->cy - to;
1263 delta = abs(scroll_up);
1264 oy = screen_hsize(data->backing) - data->oy;
1265
1266 /*
1267 * oy is the maximum scroll down amount, while data->oy is the maximum
1268 * scroll up amount.
1269 */
1270 if (scroll_up > 0 && data->oy >= delta) {
1271 window_copy_scroll_up(wme, delta);
1272 data->cy -= delta;
1273 } else if (scroll_up < 0 && oy >= delta) {
1274 window_copy_scroll_down(wme, delta);
1275 data->cy += delta;
1276 }
1277
1278 window_copy_update_selection(wme, 0, 0);
1279 return (WINDOW_COPY_CMD_REDRAW);
1280 }
1281
1282 /* Scroll line containing the cursor to the bottom. */
1283 static enum window_copy_cmd_action
1284 window_copy_cmd_scroll_bottom(struct window_copy_cmd_state *cs)
1285 {
1286 struct window_copy_mode_data *data = cs->wme->data;
1287 u_int bottom;
1288
1289 bottom = screen_size_y(&data->screen) - 1;
1290 return (window_copy_cmd_scroll_to(cs, bottom));
1291 }
1292
1293 /* Scroll line containing the cursor to the middle. */
1294 static enum window_copy_cmd_action
1295 window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs)
1296 {
1297 struct window_copy_mode_data *data = cs->wme->data;
1298 u_int mid_value;
1299
1300 mid_value = (screen_size_y(&data->screen) - 1) / 2;
1301 return (window_copy_cmd_scroll_to(cs, mid_value));
1302 }
1303
1304 /* Scroll line containing the cursor to the top. */
1305 static enum window_copy_cmd_action
1306 window_copy_cmd_scroll_top(struct window_copy_cmd_state *cs)
1307 {
1308 return (window_copy_cmd_scroll_to(cs, 0));
1309 }
1310
1311 static enum window_copy_cmd_action
1312 window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs)
1313 {
1314 struct window_mode_entry *wme = cs->wme;
1315 u_int np = wme->prefix;
1316
1317 for (; np != 0; np--)
1318 window_copy_cursor_up(wme, 0);
1319 return (WINDOW_COPY_CMD_NOTHING);
1320 }
1321
1322 static enum window_copy_cmd_action
1323 window_copy_cmd_end_of_line(struct window_copy_cmd_state *cs)
1324 {
1325 struct window_mode_entry *wme = cs->wme;
1326
1327 window_copy_cursor_end_of_line(wme);
1328 return (WINDOW_COPY_CMD_NOTHING);
1329 }
1330
1331 static enum window_copy_cmd_action
1332 window_copy_cmd_halfpage_down(struct window_copy_cmd_state *cs)
1333 {
1334 struct window_mode_entry *wme = cs->wme;
1335 struct window_copy_mode_data *data = wme->data;
1336 u_int np = wme->prefix;
1337
1338 for (; np != 0; np--) {
1339 if (window_copy_pagedown(wme, 1, data->scroll_exit))
1340 return (WINDOW_COPY_CMD_CANCEL);
1341 }
1342 return (WINDOW_COPY_CMD_NOTHING);
1343 }
1344
1345 static enum window_copy_cmd_action
1346 window_copy_cmd_halfpage_down_and_cancel(struct window_copy_cmd_state *cs)
1347 {
1348
1349 struct window_mode_entry *wme = cs->wme;
1350 u_int np = wme->prefix;
1351
1352 for (; np != 0; np--) {
1353 if (window_copy_pagedown(wme, 1, 1))
1354 return (WINDOW_COPY_CMD_CANCEL);
1355 }
1356 return (WINDOW_COPY_CMD_NOTHING);
1357 }
1358
1359 static enum window_copy_cmd_action
1360 window_copy_cmd_halfpage_up(struct window_copy_cmd_state *cs)
1361 {
1362 struct window_mode_entry *wme = cs->wme;
1363 u_int np = wme->prefix;
1364
1365 for (; np != 0; np--)
1366 window_copy_pageup1(wme, 1);
1367 return (WINDOW_COPY_CMD_NOTHING);
1368 }
1369
1370 static enum window_copy_cmd_action
1371 window_copy_cmd_toggle_position(struct window_copy_cmd_state *cs)
1372 {
1373 struct window_mode_entry *wme = cs->wme;
1374 struct window_copy_mode_data *data = wme->data;
1375
1376 data->hide_position = !data->hide_position;
1377 return (WINDOW_COPY_CMD_REDRAW);
1378 }
1379
1380 static enum window_copy_cmd_action
1381 window_copy_cmd_history_bottom(struct window_copy_cmd_state *cs)
1382 {
1383 struct window_mode_entry *wme = cs->wme;
1384 struct window_copy_mode_data *data = wme->data;
1385 struct screen *s = data->backing;
1386 u_int oy;
1387
1388 oy = screen_hsize(s) + data->cy - data->oy;
1389 if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
1390 window_copy_other_end(wme);
1391
1392 data->cy = screen_size_y(&data->screen) - 1;
1393 data->cx = window_copy_find_length(wme, screen_hsize(s) + data->cy);
1394 data->oy = 0;
1395
1396 if (data->searchmark != NULL && !data->timeout)
1397 window_copy_search_marks(wme, NULL, data->searchregex, 1);
1398 window_copy_update_selection(wme, 1, 0);
1399 return (WINDOW_COPY_CMD_REDRAW);
1400 }
1401
1402 static enum window_copy_cmd_action
1403 window_copy_cmd_history_top(struct window_copy_cmd_state *cs)
1404 {
1405 struct window_mode_entry *wme = cs->wme;
1406 struct window_copy_mode_data *data = wme->data;
1407 u_int oy;
1408
1409 oy = screen_hsize(data->backing) + data->cy - data->oy;
1410 if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
1411 window_copy_other_end(wme);
1412
1413 data->cy = 0;
1414 data->cx = 0;
1415 data->oy = screen_hsize(data->backing);
1416
1417 if (data->searchmark != NULL && !data->timeout)
1418 window_copy_search_marks(wme, NULL, data->searchregex, 1);
1419 window_copy_update_selection(wme, 1, 0);
1420 return (WINDOW_COPY_CMD_REDRAW);
1421 }
1422
1423 static enum window_copy_cmd_action
1424 window_copy_cmd_jump_again(struct window_copy_cmd_state *cs)
1425 {
1426 struct window_mode_entry *wme = cs->wme;
1427 struct window_copy_mode_data *data = wme->data;
1428 u_int np = wme->prefix;
1429
1430 switch (data->jumptype) {
1431 case WINDOW_COPY_JUMPFORWARD:
1432 for (; np != 0; np--)
1433 window_copy_cursor_jump(wme);
1434 break;
1435 case WINDOW_COPY_JUMPBACKWARD:
1436 for (; np != 0; np--)
1437 window_copy_cursor_jump_back(wme);
1438 break;
1439 case WINDOW_COPY_JUMPTOFORWARD:
1440 for (; np != 0; np--)
1441 window_copy_cursor_jump_to(wme);
1442 break;
1443 case WINDOW_COPY_JUMPTOBACKWARD:
1444 for (; np != 0; np--)
1445 window_copy_cursor_jump_to_back(wme);
1446 break;
1447 }
1448 return (WINDOW_COPY_CMD_NOTHING);
1449 }
1450
1451 static enum window_copy_cmd_action
1452 window_copy_cmd_jump_reverse(struct window_copy_cmd_state *cs)
1453 {
1454 struct window_mode_entry *wme = cs->wme;
1455 struct window_copy_mode_data *data = wme->data;
1456 u_int np = wme->prefix;
1457
1458 switch (data->jumptype) {
1459 case WINDOW_COPY_JUMPFORWARD:
1460 for (; np != 0; np--)
1461 window_copy_cursor_jump_back(wme);
1462 break;
1463 case WINDOW_COPY_JUMPBACKWARD:
1464 for (; np != 0; np--)
1465 window_copy_cursor_jump(wme);
1466 break;
1467 case WINDOW_COPY_JUMPTOFORWARD:
1468 for (; np != 0; np--)
1469 window_copy_cursor_jump_to_back(wme);
1470 break;
1471 case WINDOW_COPY_JUMPTOBACKWARD:
1472 for (; np != 0; np--)
1473 window_copy_cursor_jump_to(wme);
1474 break;
1475 }
1476 return (WINDOW_COPY_CMD_NOTHING);
1477 }
1478
1479 static enum window_copy_cmd_action
1480 window_copy_cmd_middle_line(struct window_copy_cmd_state *cs)
1481 {
1482 struct window_mode_entry *wme = cs->wme;
1483 struct window_copy_mode_data *data = wme->data;
1484
1485 data->cx = 0;
1486 data->cy = (screen_size_y(&data->screen) - 1) / 2;
1487
1488 window_copy_update_selection(wme, 1, 0);
1489 return (WINDOW_COPY_CMD_REDRAW);
1490 }
1491
1492 static enum window_copy_cmd_action
1493 window_copy_cmd_previous_matching_bracket(struct window_copy_cmd_state *cs)
1494 {
1495 struct window_mode_entry *wme = cs->wme;
1496 u_int np = wme->prefix;
1497 struct window_copy_mode_data *data = wme->data;
1498 struct screen *s = data->backing;
1499 char open[] = "{[(", close[] = "}])";
1500 char tried, found, start, *cp;
1501 u_int px, py, xx, n;
1502 struct grid_cell gc;
1503 int failed;
1504
1505 for (; np != 0; np--) {
1506 /* Get cursor position and line length. */
1507 px = data->cx;
1508 py = screen_hsize(s) + data->cy - data->oy;
1509 xx = window_copy_find_length(wme, py);
1510 if (xx == 0)
1511 break;
1512
1513 /*
1514 * Get the current character. If not on a bracket, try the
1515 * previous. If still not, then behave like previous-word.
1516 */
1517 tried = 0;
1518 retry:
1519 grid_get_cell(s->grid, px, py, &gc);
1520 if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
1521 cp = NULL;
1522 else {
1523 found = *gc.data.data;
1524 cp = strchr(close, found);
1525 }
1526 if (cp == NULL) {
1527 if (data->modekeys == MODEKEY_EMACS) {
1528 if (!tried && px > 0) {
1529 px--;
1530 tried = 1;
1531 goto retry;
1532 }
1533 window_copy_cursor_previous_word(wme, close, 1);
1534 }
1535 continue;
1536 }
1537 start = open[cp - close];
1538
1539 /* Walk backward until the matching bracket is reached. */
1540 n = 1;
1541 failed = 0;
1542 do {
1543 if (px == 0) {
1544 if (py == 0) {
1545 failed = 1;
1546 break;
1547 }
1548 do {
1549 py--;
1550 xx = window_copy_find_length(wme, py);
1551 } while (xx == 0 && py > 0);
1552 if (xx == 0 && py == 0) {
1553 failed = 1;
1554 break;
1555 }
1556 px = xx - 1;
1557 } else
1558 px--;
1559
1560 grid_get_cell(s->grid, px, py, &gc);
1561 if (gc.data.size == 1 &&
1562 (~gc.flags & GRID_FLAG_PADDING)) {
1563 if (*gc.data.data == found)
1564 n++;
1565 else if (*gc.data.data == start)
1566 n--;
1567 }
1568 } while (n != 0);
1569
1570 /* Move the cursor to the found location if any. */
1571 if (!failed)
1572 window_copy_scroll_to(wme, px, py, 0);
1573 }
1574
1575 return (WINDOW_COPY_CMD_NOTHING);
1576 }
1577
1578 static enum window_copy_cmd_action
1579 window_copy_cmd_next_matching_bracket(struct window_copy_cmd_state *cs)
1580 {
1581 struct window_mode_entry *wme = cs->wme;
1582 u_int np = wme->prefix;
1583 struct window_copy_mode_data *data = wme->data;
1584 struct screen *s = data->backing;
1585 char open[] = "{[(", close[] = "}])";
1586 char tried, found, end, *cp;
1587 u_int px, py, xx, yy, sx, sy, n;
1588 struct grid_cell gc;
1589 int failed;
1590 struct grid_line *gl;
1591
1592 for (; np != 0; np--) {
1593 /* Get cursor position and line length. */
1594 px = data->cx;
1595 py = screen_hsize(s) + data->cy - data->oy;
1596 xx = window_copy_find_length(wme, py);
1597 yy = screen_hsize(s) + screen_size_y(s) - 1;
1598 if (xx == 0)
1599 break;
1600
1601 /*
1602 * Get the current character. If not on a bracket, try the
1603 * next. If still not, then behave like next-word.
1604 */
1605 tried = 0;
1606 retry:
1607 grid_get_cell(s->grid, px, py, &gc);
1608 if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
1609 cp = NULL;
1610 else {
1611 found = *gc.data.data;
1612
1613 /*
1614 * In vi mode, attempt to move to previous bracket if a
1615 * closing bracket is found first. If this fails,
1616 * return to the original cursor position.
1617 */
1618 cp = strchr(close, found);
1619 if (cp != NULL && data->modekeys == MODEKEY_VI) {
1620 sx = data->cx;
1621 sy = screen_hsize(s) + data->cy - data->oy;
1622
1623 window_copy_scroll_to(wme, px, py, 0);
1624 window_copy_cmd_previous_matching_bracket(cs);
1625
1626 px = data->cx;
1627 py = screen_hsize(s) + data->cy - data->oy;
1628 grid_get_cell(s->grid, px, py, &gc);
1629 if (gc.data.size == 1 &&
1630 (~gc.flags & GRID_FLAG_PADDING) &&
1631 strchr(close, *gc.data.data) != NULL)
1632 window_copy_scroll_to(wme, sx, sy, 0);
1633 break;
1634 }
1635
1636 cp = strchr(open, found);
1637 }
1638 if (cp == NULL) {
1639 if (data->modekeys == MODEKEY_EMACS) {
1640 if (!tried && px <= xx) {
1641 px++;
1642 tried = 1;
1643 goto retry;
1644 }
1645 window_copy_cursor_next_word_end(wme, open, 0);
1646 continue;
1647 }
1648 /* For vi, continue searching for bracket until EOL. */
1649 if (px > xx) {
1650 if (py == yy)
1651 continue;
1652 gl = grid_get_line(s->grid, py);
1653 if (~gl->flags & GRID_LINE_WRAPPED)
1654 continue;
1655 if (gl->cellsize > s->grid->sx)
1656 continue;
1657 px = 0;
1658 py++;
1659 xx = window_copy_find_length(wme, py);
1660 } else
1661 px++;
1662 goto retry;
1663 }
1664 end = close[cp - open];
1665
1666 /* Walk forward until the matching bracket is reached. */
1667 n = 1;
1668 failed = 0;
1669 do {
1670 if (px > xx) {
1671 if (py == yy) {
1672 failed = 1;
1673 break;
1674 }
1675 px = 0;
1676 py++;
1677 xx = window_copy_find_length(wme, py);
1678 } else
1679 px++;
1680
1681 grid_get_cell(s->grid, px, py, &gc);
1682 if (gc.data.size == 1 &&
1683 (~gc.flags & GRID_FLAG_PADDING)) {
1684 if (*gc.data.data == found)
1685 n++;
1686 else if (*gc.data.data == end)
1687 n--;
1688 }
1689 } while (n != 0);
1690
1691 /* Move the cursor to the found location if any. */
1692 if (!failed)
1693 window_copy_scroll_to(wme, px, py, 0);
1694 }
1695
1696 return (WINDOW_COPY_CMD_NOTHING);
1697 }
1698
1699 static enum window_copy_cmd_action
1700 window_copy_cmd_next_paragraph(struct window_copy_cmd_state *cs)
1701 {
1702 struct window_mode_entry *wme = cs->wme;
1703 u_int np = wme->prefix;
1704
1705 for (; np != 0; np--)
1706 window_copy_next_paragraph(wme);
1707 return (WINDOW_COPY_CMD_NOTHING);
1708 }
1709
1710 static enum window_copy_cmd_action
1711 window_copy_cmd_next_space(struct window_copy_cmd_state *cs)
1712 {
1713 struct window_mode_entry *wme = cs->wme;
1714 u_int np = wme->prefix;
1715
1716 for (; np != 0; np--)
1717 window_copy_cursor_next_word(wme, "");
1718 return (WINDOW_COPY_CMD_NOTHING);
1719 }
1720
1721 static enum window_copy_cmd_action
1722 window_copy_cmd_next_space_end(struct window_copy_cmd_state *cs)
1723 {
1724 struct window_mode_entry *wme = cs->wme;
1725 u_int np = wme->prefix;
1726
1727 for (; np != 0; np--)
1728 window_copy_cursor_next_word_end(wme, "", 0);
1729 return (WINDOW_COPY_CMD_NOTHING);
1730 }
1731
1732 static enum window_copy_cmd_action
1733 window_copy_cmd_next_word(struct window_copy_cmd_state *cs)
1734 {
1735 struct window_mode_entry *wme = cs->wme;
1736 u_int np = wme->prefix;
1737 const char *separators;
1738
1739 separators = options_get_string(cs->s->options, "word-separators");
1740
1741 for (; np != 0; np--)
1742 window_copy_cursor_next_word(wme, separators);
1743 return (WINDOW_COPY_CMD_NOTHING);
1744 }
1745
1746 static enum window_copy_cmd_action
1747 window_copy_cmd_next_word_end(struct window_copy_cmd_state *cs)
1748 {
1749 struct window_mode_entry *wme = cs->wme;
1750 u_int np = wme->prefix;
1751 const char *separators;
1752
1753 separators = options_get_string(cs->s->options, "word-separators");
1754
1755 for (; np != 0; np--)
1756 window_copy_cursor_next_word_end(wme, separators, 0);
1757 return (WINDOW_COPY_CMD_NOTHING);
1758 }
1759
1760 static enum window_copy_cmd_action
1761 window_copy_cmd_other_end(struct window_copy_cmd_state *cs)
1762 {
1763 struct window_mode_entry *wme = cs->wme;
1764 u_int np = wme->prefix;
1765 struct window_copy_mode_data *data = wme->data;
1766
1767 data->selflag = SEL_CHAR;
1768 if ((np % 2) != 0)
1769 window_copy_other_end(wme);
1770 return (WINDOW_COPY_CMD_NOTHING);
1771 }
1772
1773 static enum window_copy_cmd_action
1774 window_copy_cmd_page_down(struct window_copy_cmd_state *cs)
1775 {
1776 struct window_mode_entry *wme = cs->wme;
1777 struct window_copy_mode_data *data = wme->data;
1778 u_int np = wme->prefix;
1779
1780 for (; np != 0; np--) {
1781 if (window_copy_pagedown(wme, 0, data->scroll_exit))
1782 return (WINDOW_COPY_CMD_CANCEL);
1783 }
1784 return (WINDOW_COPY_CMD_NOTHING);
1785 }
1786
1787 static enum window_copy_cmd_action
1788 window_copy_cmd_page_down_and_cancel(struct window_copy_cmd_state *cs)
1789 {
1790 struct window_mode_entry *wme = cs->wme;
1791 u_int np = wme->prefix;
1792
1793 for (; np != 0; np--) {
1794 if (window_copy_pagedown(wme, 0, 1))
1795 return (WINDOW_COPY_CMD_CANCEL);
1796 }
1797 return (WINDOW_COPY_CMD_NOTHING);
1798 }
1799
1800 static enum window_copy_cmd_action
1801 window_copy_cmd_page_up(struct window_copy_cmd_state *cs)
1802 {
1803 struct window_mode_entry *wme = cs->wme;
1804 u_int np = wme->prefix;
1805
1806 for (; np != 0; np--)
1807 window_copy_pageup1(wme, 0);
1808 return (WINDOW_COPY_CMD_NOTHING);
1809 }
1810
1811 static enum window_copy_cmd_action
1812 window_copy_cmd_previous_paragraph(struct window_copy_cmd_state *cs)
1813 {
1814 struct window_mode_entry *wme = cs->wme;
1815 u_int np = wme->prefix;
1816
1817 for (; np != 0; np--)
1818 window_copy_previous_paragraph(wme);
1819 return (WINDOW_COPY_CMD_NOTHING);
1820 }
1821
1822 static enum window_copy_cmd_action
1823 window_copy_cmd_previous_space(struct window_copy_cmd_state *cs)
1824 {
1825 struct window_mode_entry *wme = cs->wme;
1826 u_int np = wme->prefix;
1827
1828 for (; np != 0; np--)
1829 window_copy_cursor_previous_word(wme, "", 1);
1830 return (WINDOW_COPY_CMD_NOTHING);
1831 }
1832
1833 static enum window_copy_cmd_action
1834 window_copy_cmd_previous_word(struct window_copy_cmd_state *cs)
1835 {
1836 struct window_mode_entry *wme = cs->wme;
1837 u_int np = wme->prefix;
1838 const char *separators;
1839
1840 separators = options_get_string(cs->s->options, "word-separators");
1841
1842 for (; np != 0; np--)
1843 window_copy_cursor_previous_word(wme, separators, 1);
1844 return (WINDOW_COPY_CMD_NOTHING);
1845 }
1846
1847 static enum window_copy_cmd_action
1848 window_copy_cmd_rectangle_on(struct window_copy_cmd_state *cs)
1849 {
1850 struct window_mode_entry *wme = cs->wme;
1851 struct window_copy_mode_data *data = wme->data;
1852
1853 data->lineflag = LINE_SEL_NONE;
1854 window_copy_rectangle_set(wme, 1);
1855
1856 return (WINDOW_COPY_CMD_NOTHING);
1857 }
1858
1859 static enum window_copy_cmd_action
1860 window_copy_cmd_rectangle_off(struct window_copy_cmd_state *cs)
1861 {
1862 struct window_mode_entry *wme = cs->wme;
1863 struct window_copy_mode_data *data = wme->data;
1864
1865 data->lineflag = LINE_SEL_NONE;
1866 window_copy_rectangle_set(wme, 0);
1867
1868 return (WINDOW_COPY_CMD_NOTHING);
1869 }
1870
1871 static enum window_copy_cmd_action
1872 window_copy_cmd_rectangle_toggle(struct window_copy_cmd_state *cs)
1873 {
1874 struct window_mode_entry *wme = cs->wme;
1875 struct window_copy_mode_data *data = wme->data;
1876
1877 data->lineflag = LINE_SEL_NONE;
1878 window_copy_rectangle_set(wme, !data->rectflag);
1879
1880 return (WINDOW_COPY_CMD_NOTHING);
1881 }
1882
1883 static enum window_copy_cmd_action
1884 window_copy_cmd_scroll_down(struct window_copy_cmd_state *cs)
1885 {
1886 struct window_mode_entry *wme = cs->wme;
1887 struct window_copy_mode_data *data = wme->data;
1888 u_int np = wme->prefix;
1889
1890 for (; np != 0; np--)
1891 window_copy_cursor_down(wme, 1);
1892 if (data->scroll_exit && data->oy == 0)
1893 return (WINDOW_COPY_CMD_CANCEL);
1894 return (WINDOW_COPY_CMD_NOTHING);
1895 }
1896
1897 static enum window_copy_cmd_action
1898 window_copy_cmd_scroll_down_and_cancel(struct window_copy_cmd_state *cs)
1899 {
1900 struct window_mode_entry *wme = cs->wme;
1901 struct window_copy_mode_data *data = wme->data;
1902 u_int np = wme->prefix;
1903
1904 for (; np != 0; np--)
1905 window_copy_cursor_down(wme, 1);
1906 if (data->oy == 0)
1907 return (WINDOW_COPY_CMD_CANCEL);
1908 return (WINDOW_COPY_CMD_NOTHING);
1909 }
1910
1911 static enum window_copy_cmd_action
1912 window_copy_cmd_scroll_up(struct window_copy_cmd_state *cs)
1913 {
1914 struct window_mode_entry *wme = cs->wme;
1915 u_int np = wme->prefix;
1916
1917 for (; np != 0; np--)
1918 window_copy_cursor_up(wme, 1);
1919 return (WINDOW_COPY_CMD_NOTHING);
1920 }
1921
1922 static enum window_copy_cmd_action
1923 window_copy_cmd_search_again(struct window_copy_cmd_state *cs)
1924 {
1925 struct window_mode_entry *wme = cs->wme;
1926 struct window_copy_mode_data *data = wme->data;
1927 u_int np = wme->prefix;
1928
1929 if (data->searchtype == WINDOW_COPY_SEARCHUP) {
1930 for (; np != 0; np--)
1931 window_copy_search_up(wme, data->searchregex);
1932 } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
1933 for (; np != 0; np--)
1934 window_copy_search_down(wme, data->searchregex);
1935 }
1936 return (WINDOW_COPY_CMD_NOTHING);
1937 }
1938
1939 static enum window_copy_cmd_action
1940 window_copy_cmd_search_reverse(struct window_copy_cmd_state *cs)
1941 {
1942 struct window_mode_entry *wme = cs->wme;
1943 struct window_copy_mode_data *data = wme->data;
1944 u_int np = wme->prefix;
1945
1946 if (data->searchtype == WINDOW_COPY_SEARCHUP) {
1947 for (; np != 0; np--)
1948 window_copy_search_down(wme, data->searchregex);
1949 } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
1950 for (; np != 0; np--)
1951 window_copy_search_up(wme, data->searchregex);
1952 }
1953 return (WINDOW_COPY_CMD_NOTHING);
1954 }
1955
1956 static enum window_copy_cmd_action
1957 window_copy_cmd_select_line(struct window_copy_cmd_state *cs)
1958 {
1959 struct window_mode_entry *wme = cs->wme;
1960 struct window_copy_mode_data *data = wme->data;
1961 u_int np = wme->prefix;
1962
1963 data->lineflag = LINE_SEL_LEFT_RIGHT;
1964 data->rectflag = 0;
1965 data->selflag = SEL_LINE;
1966 data->dx = data->cx;
1967 data->dy = screen_hsize(data->backing) + data->cy - data->oy;
1968
1969 window_copy_cursor_start_of_line(wme);
1970 data->selrx = data->cx;
1971 data->selry = screen_hsize(data->backing) + data->cy - data->oy;
1972 data->endselry = data->selry;
1973 window_copy_start_selection(wme);
1974 window_copy_cursor_end_of_line(wme);
1975 data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
1976 data->endselrx = window_copy_find_length(wme, data->endselry);
1977 for (; np > 1; np--) {
1978 window_copy_cursor_down(wme, 0);
1979 window_copy_cursor_end_of_line(wme);
1980 }
1981
1982 return (WINDOW_COPY_CMD_REDRAW);
1983 }
1984
1985 static enum window_copy_cmd_action
1986 window_copy_cmd_select_word(struct window_copy_cmd_state *cs)
1987 {
1988 struct window_mode_entry *wme = cs->wme;
1989 struct options *session_options = cs->s->options;
1990 struct window_copy_mode_data *data = wme->data;
1991 u_int px, py, nextx, nexty;
1992
1993 data->lineflag = LINE_SEL_LEFT_RIGHT;
1994 data->rectflag = 0;
1995 data->selflag = SEL_WORD;
1996 data->dx = data->cx;
1997 data->dy = screen_hsize(data->backing) + data->cy - data->oy;
1998
1999 data->separators = options_get_string(session_options,
2000 "word-separators");
2001 window_copy_cursor_previous_word(wme, data->separators, 0);
2002 px = data->cx;
2003 py = screen_hsize(data->backing) + data->cy - data->oy;
2004 data->selrx = px;
2005 data->selry = py;
2006 window_copy_start_selection(wme);
2007
2008 /* Handle single character words. */
2009 nextx = px + 1;
2010 nexty = py;
2011 if (grid_get_line(data->backing->grid, nexty)->flags &
2012 GRID_LINE_WRAPPED && nextx > screen_size_x(data->backing) - 1) {
2013 nextx = 0;
2014 nexty++;
2015 }
2016 if (px >= window_copy_find_length(wme, py) ||
2017 !window_copy_in_set(wme, nextx, nexty, WHITESPACE))
2018 window_copy_cursor_next_word_end(wme, data->separators, 1);
2019 else {
2020 window_copy_update_cursor(wme, px, data->cy);
2021 if (window_copy_update_selection(wme, 1, 1))
2022 window_copy_redraw_lines(wme, data->cy, 1);
2023 }
2024 data->endselrx = data->cx;
2025 data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
2026 if (data->dy > data->endselry) {
2027 data->dy = data->endselry;
2028 data->dx = data->endselrx;
2029 } else if (data->dx > data->endselrx)
2030 data->dx = data->endselrx;
2031
2032 return (WINDOW_COPY_CMD_REDRAW);
2033 }
2034
2035 static enum window_copy_cmd_action
2036 window_copy_cmd_set_mark(struct window_copy_cmd_state *cs)
2037 {
2038 struct window_copy_mode_data *data = cs->wme->data;
2039
2040 data->mx = data->cx;
2041 data->my = screen_hsize(data->backing) + data->cy - data->oy;
2042 data->showmark = 1;
2043 return (WINDOW_COPY_CMD_REDRAW);
2044 }
2045
2046 static enum window_copy_cmd_action
2047 window_copy_cmd_start_of_line(struct window_copy_cmd_state *cs)
2048 {
2049 struct window_mode_entry *wme = cs->wme;
2050
2051 window_copy_cursor_start_of_line(wme);
2052 return (WINDOW_COPY_CMD_NOTHING);
2053 }
2054
2055 static enum window_copy_cmd_action
2056 window_copy_cmd_top_line(struct window_copy_cmd_state *cs)
2057 {
2058 struct window_mode_entry *wme = cs->wme;
2059 struct window_copy_mode_data *data = wme->data;
2060
2061 data->cx = 0;
2062 data->cy = 0;
2063
2064 window_copy_update_selection(wme, 1, 0);
2065 return (WINDOW_COPY_CMD_REDRAW);
2066 }
2067
2068 static enum window_copy_cmd_action
2069 window_copy_cmd_copy_pipe_no_clear(struct window_copy_cmd_state *cs)
2070 {
2071 struct window_mode_entry *wme = cs->wme;
2072 struct client *c = cs->c;
2073 struct session *s = cs->s;
2074 struct winlink *wl = cs->wl;
2075 struct window_pane *wp = wme->wp;
2076 char *command = NULL, *prefix = NULL;
2077 const char *arg1 = args_string(cs->args, 1);
2078 const char *arg2 = args_string(cs->args, 2);
2079
2080 if (arg2 != NULL)
2081 prefix = format_single(NULL, arg2, c, s, wl, wp);
2082
2083 if (s != NULL && arg1 != NULL && *arg1 != '\0')
2084 command = format_single(NULL, arg1, c, s, wl, wp);
2085 window_copy_copy_pipe(wme, s, prefix, command);
2086 free(command);
2087
2088 free(prefix);
2089 return (WINDOW_COPY_CMD_NOTHING);
2090 }
2091
2092 static enum window_copy_cmd_action
2093 window_copy_cmd_copy_pipe(struct window_copy_cmd_state *cs)
2094 {
2095 struct window_mode_entry *wme = cs->wme;
2096
2097 window_copy_cmd_copy_pipe_no_clear(cs);
2098 window_copy_clear_selection(wme);
2099 return (WINDOW_COPY_CMD_REDRAW);
2100 }
2101
2102 static enum window_copy_cmd_action
2103 window_copy_cmd_copy_pipe_and_cancel(struct window_copy_cmd_state *cs)
2104 {
2105 struct window_mode_entry *wme = cs->wme;
2106
2107 window_copy_cmd_copy_pipe_no_clear(cs);
2108 window_copy_clear_selection(wme);
2109 return (WINDOW_COPY_CMD_CANCEL);
2110 }
2111
2112 static enum window_copy_cmd_action
2113 window_copy_cmd_pipe_no_clear(struct window_copy_cmd_state *cs)
2114 {
2115 struct window_mode_entry *wme = cs->wme;
2116 struct client *c = cs->c;
2117 struct session *s = cs->s;
2118 struct winlink *wl = cs->wl;
2119 struct window_pane *wp = wme->wp;
2120 char *command = NULL;
2121 const char *arg1 = args_string(cs->args, 1);
2122
2123 if (s != NULL && arg1 != NULL && *arg1 != '\0')
2124 command = format_single(NULL, arg1, c, s, wl, wp);
2125 window_copy_pipe(wme, s, command);
2126 free(command);
2127
2128 return (WINDOW_COPY_CMD_NOTHING);
2129 }
2130
2131 static enum window_copy_cmd_action
2132 window_copy_cmd_pipe(struct window_copy_cmd_state *cs)
2133 {
2134 struct window_mode_entry *wme = cs->wme;
2135
2136 window_copy_cmd_pipe_no_clear(cs);
2137 window_copy_clear_selection(wme);
2138 return (WINDOW_COPY_CMD_REDRAW);
2139 }
2140
2141 static enum window_copy_cmd_action
2142 window_copy_cmd_pipe_and_cancel(struct window_copy_cmd_state *cs)
2143 {
2144 struct window_mode_entry *wme = cs->wme;
2145
2146 window_copy_cmd_pipe_no_clear(cs);
2147 window_copy_clear_selection(wme);
2148 return (WINDOW_COPY_CMD_CANCEL);
2149 }
2150
2151 static enum window_copy_cmd_action
2152 window_copy_cmd_goto_line(struct window_copy_cmd_state *cs)
2153 {
2154 struct window_mode_entry *wme = cs->wme;
2155 const char *arg1 = args_string(cs->args, 1);
2156
2157 if (*arg1 != '\0')
2158 window_copy_goto_line(wme, arg1);
2159 return (WINDOW_COPY_CMD_NOTHING);
2160 }
2161
2162 static enum window_copy_cmd_action
2163 window_copy_cmd_jump_backward(struct window_copy_cmd_state *cs)
2164 {
2165 struct window_mode_entry *wme = cs->wme;
2166 struct window_copy_mode_data *data = wme->data;
2167 u_int np = wme->prefix;
2168 const char *arg1 = args_string(cs->args, 1);
2169
2170 if (*arg1 != '\0') {
2171 data->jumptype = WINDOW_COPY_JUMPBACKWARD;
2172 free(data->jumpchar);
2173 data->jumpchar = utf8_fromcstr(arg1);
2174 for (; np != 0; np--)
2175 window_copy_cursor_jump_back(wme);
2176 }
2177 return (WINDOW_COPY_CMD_NOTHING);
2178 }
2179
2180 static enum window_copy_cmd_action
2181 window_copy_cmd_jump_forward(struct window_copy_cmd_state *cs)
2182 {
2183 struct window_mode_entry *wme = cs->wme;
2184 struct window_copy_mode_data *data = wme->data;
2185 u_int np = wme->prefix;
2186 const char *arg1 = args_string(cs->args, 1);
2187
2188 if (*arg1 != '\0') {
2189 data->jumptype = WINDOW_COPY_JUMPFORWARD;
2190 free(data->jumpchar);
2191 data->jumpchar = utf8_fromcstr(arg1);
2192 for (; np != 0; np--)
2193 window_copy_cursor_jump(wme);
2194 }
2195 return (WINDOW_COPY_CMD_NOTHING);
2196 }
2197
2198 static enum window_copy_cmd_action
2199 window_copy_cmd_jump_to_backward(struct window_copy_cmd_state *cs)
2200 {
2201 struct window_mode_entry *wme = cs->wme;
2202 struct window_copy_mode_data *data = wme->data;
2203 u_int np = wme->prefix;
2204 const char *arg1 = args_string(cs->args, 1);
2205
2206 if (*arg1 != '\0') {
2207 data->jumptype = WINDOW_COPY_JUMPTOBACKWARD;
2208 free(data->jumpchar);
2209 data->jumpchar = utf8_fromcstr(arg1);
2210 for (; np != 0; np--)
2211 window_copy_cursor_jump_to_back(wme);
2212 }
2213 return (WINDOW_COPY_CMD_NOTHING);
2214 }
2215
2216 static enum window_copy_cmd_action
2217 window_copy_cmd_jump_to_forward(struct window_copy_cmd_state *cs)
2218 {
2219 struct window_mode_entry *wme = cs->wme;
2220 struct window_copy_mode_data *data = wme->data;
2221 u_int np = wme->prefix;
2222 const char *arg1 = args_string(cs->args, 1);
2223
2224 if (*arg1 != '\0') {
2225 data->jumptype = WINDOW_COPY_JUMPTOFORWARD;
2226 free(data->jumpchar);
2227 data->jumpchar = utf8_fromcstr(arg1);
2228 for (; np != 0; np--)
2229 window_copy_cursor_jump_to(wme);
2230 }
2231 return (WINDOW_COPY_CMD_NOTHING);
2232 }
2233
2234 static enum window_copy_cmd_action
2235 window_copy_cmd_jump_to_mark(struct window_copy_cmd_state *cs)
2236 {
2237 struct window_mode_entry *wme = cs->wme;
2238
2239 window_copy_jump_to_mark(wme);
2240 return (WINDOW_COPY_CMD_NOTHING);
2241 }
2242
2243 static enum window_copy_cmd_action
2244 window_copy_cmd_search_backward(struct window_copy_cmd_state *cs)
2245 {
2246 struct window_mode_entry *wme = cs->wme;
2247 struct window_copy_mode_data *data = wme->data;
2248 u_int np = wme->prefix;
2249
2250 if (!window_copy_expand_search_string(cs))
2251 return (WINDOW_COPY_CMD_NOTHING);
2252
2253 if (data->searchstr != NULL) {
2254 data->searchtype = WINDOW_COPY_SEARCHUP;
2255 data->searchregex = 1;
2256 data->timeout = 0;
2257 for (; np != 0; np--)
2258 window_copy_search_up(wme, 1);
2259 }
2260 return (WINDOW_COPY_CMD_NOTHING);
2261 }
2262
2263 static enum window_copy_cmd_action
2264 window_copy_cmd_search_backward_text(struct window_copy_cmd_state *cs)
2265 {
2266 struct window_mode_entry *wme = cs->wme;
2267 struct window_copy_mode_data *data = wme->data;
2268 u_int np = wme->prefix;
2269
2270 if (!window_copy_expand_search_string(cs))
2271 return (WINDOW_COPY_CMD_NOTHING);
2272
2273 if (data->searchstr != NULL) {
2274 data->searchtype = WINDOW_COPY_SEARCHUP;
2275 data->searchregex = 0;
2276 data->timeout = 0;
2277 for (; np != 0; np--)
2278 window_copy_search_up(wme, 0);
2279 }
2280 return (WINDOW_COPY_CMD_NOTHING);
2281 }
2282
2283 static enum window_copy_cmd_action
2284 window_copy_cmd_search_forward(struct window_copy_cmd_state *cs)
2285 {
2286 struct window_mode_entry *wme = cs->wme;
2287 struct window_copy_mode_data *data = wme->data;
2288 u_int np = wme->prefix;
2289
2290 if (!window_copy_expand_search_string(cs))
2291 return (WINDOW_COPY_CMD_NOTHING);
2292
2293 if (data->searchstr != NULL) {
2294 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2295 data->searchregex = 1;
2296 data->timeout = 0;
2297 for (; np != 0; np--)
2298 window_copy_search_down(wme, 1);
2299 }
2300 return (WINDOW_COPY_CMD_NOTHING);
2301 }
2302
2303 static enum window_copy_cmd_action
2304 window_copy_cmd_search_forward_text(struct window_copy_cmd_state *cs)
2305 {
2306 struct window_mode_entry *wme = cs->wme;
2307 struct window_copy_mode_data *data = wme->data;
2308 u_int np = wme->prefix;
2309
2310 if (!window_copy_expand_search_string(cs))
2311 return (WINDOW_COPY_CMD_NOTHING);
2312
2313 if (data->searchstr != NULL) {
2314 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2315 data->searchregex = 0;
2316 data->timeout = 0;
2317 for (; np != 0; np--)
2318 window_copy_search_down(wme, 0);
2319 }
2320 return (WINDOW_COPY_CMD_NOTHING);
2321 }
2322
2323 static enum window_copy_cmd_action
2324 window_copy_cmd_search_backward_incremental(struct window_copy_cmd_state *cs)
2325 {
2326 struct window_mode_entry *wme = cs->wme;
2327 struct window_copy_mode_data *data = wme->data;
2328 const char *arg1 = args_string(cs->args, 1);
2329 const char *ss = data->searchstr;
2330 char prefix;
2331 enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
2332
2333 data->timeout = 0;
2334
2335 log_debug("%s: %s", __func__, arg1);
2336
2337 prefix = *arg1++;
2338 if (data->searchx == -1 || data->searchy == -1) {
2339 data->searchx = data->cx;
2340 data->searchy = data->cy;
2341 data->searcho = data->oy;
2342 } else if (ss != NULL && strcmp(arg1, ss) != 0) {
2343 data->cx = data->searchx;
2344 data->cy = data->searchy;
2345 data->oy = data->searcho;
2346 action = WINDOW_COPY_CMD_REDRAW;
2347 }
2348 if (*arg1 == '\0') {
2349 window_copy_clear_marks(wme);
2350 return (WINDOW_COPY_CMD_REDRAW);
2351 }
2352 switch (prefix) {
2353 case '=':
2354 case '-':
2355 data->searchtype = WINDOW_COPY_SEARCHUP;
2356 data->searchregex = 0;
2357 free(data->searchstr);
2358 data->searchstr = xstrdup(arg1);
2359 if (!window_copy_search_up(wme, 0)) {
2360 window_copy_clear_marks(wme);
2361 return (WINDOW_COPY_CMD_REDRAW);
2362 }
2363 break;
2364 case '+':
2365 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2366 data->searchregex = 0;
2367 free(data->searchstr);
2368 data->searchstr = xstrdup(arg1);
2369 if (!window_copy_search_down(wme, 0)) {
2370 window_copy_clear_marks(wme);
2371 return (WINDOW_COPY_CMD_REDRAW);
2372 }
2373 break;
2374 }
2375 return (action);
2376 }
2377
2378 static enum window_copy_cmd_action
2379 window_copy_cmd_search_forward_incremental(struct window_copy_cmd_state *cs)
2380 {
2381 struct window_mode_entry *wme = cs->wme;
2382 struct window_copy_mode_data *data = wme->data;
2383 const char *arg1 = args_string(cs->args, 1);
2384 const char *ss = data->searchstr;
2385 char prefix;
2386 enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
2387
2388 data->timeout = 0;
2389
2390 log_debug("%s: %s", __func__, arg1);
2391
2392 prefix = *arg1++;
2393 if (data->searchx == -1 || data->searchy == -1) {
2394 data->searchx = data->cx;
2395 data->searchy = data->cy;
2396 data->searcho = data->oy;
2397 } else if (ss != NULL && strcmp(arg1, ss) != 0) {
2398 data->cx = data->searchx;
2399 data->cy = data->searchy;
2400 data->oy = data->searcho;
2401 action = WINDOW_COPY_CMD_REDRAW;
2402 }
2403 if (*arg1 == '\0') {
2404 window_copy_clear_marks(wme);
2405 return (WINDOW_COPY_CMD_REDRAW);
2406 }
2407 switch (prefix) {
2408 case '=':
2409 case '+':
2410 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2411 data->searchregex = 0;
2412 free(data->searchstr);
2413 data->searchstr = xstrdup(arg1);
2414 if (!window_copy_search_down(wme, 0)) {
2415 window_copy_clear_marks(wme);
2416 return (WINDOW_COPY_CMD_REDRAW);
2417 }
2418 break;
2419 case '-':
2420 data->searchtype = WINDOW_COPY_SEARCHUP;
2421 data->searchregex = 0;
2422 free(data->searchstr);
2423 data->searchstr = xstrdup(arg1);
2424 if (!window_copy_search_up(wme, 0)) {
2425 window_copy_clear_marks(wme);
2426 return (WINDOW_COPY_CMD_REDRAW);
2427 }
2428 }
2429 return (action);
2430 }
2431
2432 static enum window_copy_cmd_action
2433 window_copy_cmd_refresh_from_pane(struct window_copy_cmd_state *cs)
2434 {
2435 struct window_mode_entry *wme = cs->wme;
2436 struct window_pane *wp = wme->swp;
2437 struct window_copy_mode_data *data = wme->data;
2438
2439 if (data->viewmode)
2440 return (WINDOW_COPY_CMD_NOTHING);
2441
2442 screen_free(data->backing);
2443 free(data->backing);
2444 data->backing = window_copy_clone_screen(&wp->base, &data->screen, NULL, NULL, wme->swp != wme->wp);
2445
2446 window_copy_size_changed(wme);
2447 return (WINDOW_COPY_CMD_REDRAW);
2448 }
2449
2450 static const struct {
2451 const char *command;
2452 u_int minargs;
2453 u_int maxargs;
2454 enum window_copy_cmd_clear clear;
2455 enum window_copy_cmd_action (*f)(struct window_copy_cmd_state *);
2456 } window_copy_cmd_table[] = {
2457 { .command = "append-selection",
2458 .minargs = 0,
2459 .maxargs = 0,
2460 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2461 .f = window_copy_cmd_append_selection
2462 },
2463 { .command = "append-selection-and-cancel",
2464 .minargs = 0,
2465 .maxargs = 0,
2466 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2467 .f = window_copy_cmd_append_selection_and_cancel
2468 },
2469 { .command = "back-to-indentation",
2470 .minargs = 0,
2471 .maxargs = 0,
2472 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2473 .f = window_copy_cmd_back_to_indentation
2474 },
2475 { .command = "begin-selection",
2476 .minargs = 0,
2477 .maxargs = 0,
2478 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2479 .f = window_copy_cmd_begin_selection
2480 },
2481 { .command = "bottom-line",
2482 .minargs = 0,
2483 .maxargs = 0,
2484 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2485 .f = window_copy_cmd_bottom_line
2486 },
2487 { .command = "cancel",
2488 .minargs = 0,
2489 .maxargs = 0,
2490 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2491 .f = window_copy_cmd_cancel
2492 },
2493 { .command = "clear-selection",
2494 .minargs = 0,
2495 .maxargs = 0,
2496 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2497 .f = window_copy_cmd_clear_selection
2498 },
2499 { .command = "copy-end-of-line",
2500 .minargs = 0,
2501 .maxargs = 1,
2502 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2503 .f = window_copy_cmd_copy_end_of_line
2504 },
2505 { .command = "copy-end-of-line-and-cancel",
2506 .minargs = 0,
2507 .maxargs = 1,
2508 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2509 .f = window_copy_cmd_copy_end_of_line_and_cancel
2510 },
2511 { .command = "copy-pipe-end-of-line",
2512 .minargs = 0,
2513 .maxargs = 2,
2514 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2515 .f = window_copy_cmd_copy_pipe_end_of_line
2516 },
2517 { .command = "copy-pipe-end-of-line-and-cancel",
2518 .minargs = 0,
2519 .maxargs = 2,
2520 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2521 .f = window_copy_cmd_copy_pipe_end_of_line_and_cancel
2522 },
2523 { .command = "copy-line",
2524 .minargs = 0,
2525 .maxargs = 1,
2526 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2527 .f = window_copy_cmd_copy_line
2528 },
2529 { .command = "copy-line-and-cancel",
2530 .minargs = 0,
2531 .maxargs = 1,
2532 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2533 .f = window_copy_cmd_copy_line_and_cancel
2534 },
2535 { .command = "copy-pipe-line",
2536 .minargs = 0,
2537 .maxargs = 2,
2538 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2539 .f = window_copy_cmd_copy_pipe_line
2540 },
2541 { .command = "copy-pipe-line-and-cancel",
2542 .minargs = 0,
2543 .maxargs = 2,
2544 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2545 .f = window_copy_cmd_copy_pipe_line_and_cancel
2546 },
2547 { .command = "copy-pipe-no-clear",
2548 .minargs = 0,
2549 .maxargs = 2,
2550 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2551 .f = window_copy_cmd_copy_pipe_no_clear
2552 },
2553 { .command = "copy-pipe",
2554 .minargs = 0,
2555 .maxargs = 2,
2556 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2557 .f = window_copy_cmd_copy_pipe
2558 },
2559 { .command = "copy-pipe-and-cancel",
2560 .minargs = 0,
2561 .maxargs = 2,
2562 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2563 .f = window_copy_cmd_copy_pipe_and_cancel
2564 },
2565 { .command = "copy-selection-no-clear",
2566 .minargs = 0,
2567 .maxargs = 1,
2568 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2569 .f = window_copy_cmd_copy_selection_no_clear
2570 },
2571 { .command = "copy-selection",
2572 .minargs = 0,
2573 .maxargs = 1,
2574 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2575 .f = window_copy_cmd_copy_selection
2576 },
2577 { .command = "copy-selection-and-cancel",
2578 .minargs = 0,
2579 .maxargs = 1,
2580 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2581 .f = window_copy_cmd_copy_selection_and_cancel
2582 },
2583 { .command = "cursor-down",
2584 .minargs = 0,
2585 .maxargs = 0,
2586 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2587 .f = window_copy_cmd_cursor_down
2588 },
2589 { .command = "cursor-down-and-cancel",
2590 .minargs = 0,
2591 .maxargs = 0,
2592 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2593 .f = window_copy_cmd_cursor_down_and_cancel
2594 },
2595 { .command = "cursor-left",
2596 .minargs = 0,
2597 .maxargs = 0,
2598 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2599 .f = window_copy_cmd_cursor_left
2600 },
2601 { .command = "cursor-right",
2602 .minargs = 0,
2603 .maxargs = 0,
2604 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2605 .f = window_copy_cmd_cursor_right
2606 },
2607 { .command = "cursor-up",
2608 .minargs = 0,
2609 .maxargs = 0,
2610 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2611 .f = window_copy_cmd_cursor_up
2612 },
2613 { .command = "end-of-line",
2614 .minargs = 0,
2615 .maxargs = 0,
2616 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2617 .f = window_copy_cmd_end_of_line
2618 },
2619 { .command = "goto-line",
2620 .minargs = 1,
2621 .maxargs = 1,
2622 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2623 .f = window_copy_cmd_goto_line
2624 },
2625 { .command = "halfpage-down",
2626 .minargs = 0,
2627 .maxargs = 0,
2628 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2629 .f = window_copy_cmd_halfpage_down
2630 },
2631 { .command = "halfpage-down-and-cancel",
2632 .minargs = 0,
2633 .maxargs = 0,
2634 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2635 .f = window_copy_cmd_halfpage_down_and_cancel
2636 },
2637 { .command = "halfpage-up",
2638 .minargs = 0,
2639 .maxargs = 0,
2640 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2641 .f = window_copy_cmd_halfpage_up
2642 },
2643 { .command = "history-bottom",
2644 .minargs = 0,
2645 .maxargs = 0,
2646 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2647 .f = window_copy_cmd_history_bottom
2648 },
2649 { .command = "history-top",
2650 .minargs = 0,
2651 .maxargs = 0,
2652 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2653 .f = window_copy_cmd_history_top
2654 },
2655 { .command = "jump-again",
2656 .minargs = 0,
2657 .maxargs = 0,
2658 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2659 .f = window_copy_cmd_jump_again
2660 },
2661 { .command = "jump-backward",
2662 .minargs = 1,
2663 .maxargs = 1,
2664 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2665 .f = window_copy_cmd_jump_backward
2666 },
2667 { .command = "jump-forward",
2668 .minargs = 1,
2669 .maxargs = 1,
2670 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2671 .f = window_copy_cmd_jump_forward
2672 },
2673 { .command = "jump-reverse",
2674 .minargs = 0,
2675 .maxargs = 0,
2676 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2677 .f = window_copy_cmd_jump_reverse
2678 },
2679 { .command = "jump-to-backward",
2680 .minargs = 1,
2681 .maxargs = 1,
2682 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2683 .f = window_copy_cmd_jump_to_backward
2684 },
2685 { .command = "jump-to-forward",
2686 .minargs = 1,
2687 .maxargs = 1,
2688 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2689 .f = window_copy_cmd_jump_to_forward
2690 },
2691 { .command = "jump-to-mark",
2692 .minargs = 0,
2693 .maxargs = 0,
2694 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2695 .f = window_copy_cmd_jump_to_mark
2696 },
2697 { .command = "middle-line",
2698 .minargs = 0,
2699 .maxargs = 0,
2700 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2701 .f = window_copy_cmd_middle_line
2702 },
2703 { .command = "next-matching-bracket",
2704 .minargs = 0,
2705 .maxargs = 0,
2706 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2707 .f = window_copy_cmd_next_matching_bracket
2708 },
2709 { .command = "next-paragraph",
2710 .minargs = 0,
2711 .maxargs = 0,
2712 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2713 .f = window_copy_cmd_next_paragraph
2714 },
2715 { .command = "next-space",
2716 .minargs = 0,
2717 .maxargs = 0,
2718 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2719 .f = window_copy_cmd_next_space
2720 },
2721 { .command = "next-space-end",
2722 .minargs = 0,
2723 .maxargs = 0,
2724 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2725 .f = window_copy_cmd_next_space_end
2726 },
2727 { .command = "next-word",
2728 .minargs = 0,
2729 .maxargs = 0,
2730 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2731 .f = window_copy_cmd_next_word
2732 },
2733 { .command = "next-word-end",
2734 .minargs = 0,
2735 .maxargs = 0,
2736 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2737 .f = window_copy_cmd_next_word_end
2738 },
2739 { .command = "other-end",
2740 .minargs = 0,
2741 .maxargs = 0,
2742 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2743 .f = window_copy_cmd_other_end
2744 },
2745 { .command = "page-down",
2746 .minargs = 0,
2747 .maxargs = 0,
2748 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2749 .f = window_copy_cmd_page_down
2750 },
2751 { .command = "page-down-and-cancel",
2752 .minargs = 0,
2753 .maxargs = 0,
2754 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2755 .f = window_copy_cmd_page_down_and_cancel
2756 },
2757 { .command = "page-up",
2758 .minargs = 0,
2759 .maxargs = 0,
2760 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2761 .f = window_copy_cmd_page_up
2762 },
2763 { .command = "pipe-no-clear",
2764 .minargs = 0,
2765 .maxargs = 1,
2766 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2767 .f = window_copy_cmd_pipe_no_clear
2768 },
2769 { .command = "pipe",
2770 .minargs = 0,
2771 .maxargs = 1,
2772 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2773 .f = window_copy_cmd_pipe
2774 },
2775 { .command = "pipe-and-cancel",
2776 .minargs = 0,
2777 .maxargs = 1,
2778 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2779 .f = window_copy_cmd_pipe_and_cancel
2780 },
2781 { .command = "previous-matching-bracket",
2782 .minargs = 0,
2783 .maxargs = 0,
2784 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2785 .f = window_copy_cmd_previous_matching_bracket
2786 },
2787 { .command = "previous-paragraph",
2788 .minargs = 0,
2789 .maxargs = 0,
2790 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2791 .f = window_copy_cmd_previous_paragraph
2792 },
2793 { .command = "previous-space",
2794 .minargs = 0,
2795 .maxargs = 0,
2796 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2797 .f = window_copy_cmd_previous_space
2798 },
2799 { .command = "previous-word",
2800 .minargs = 0,
2801 .maxargs = 0,
2802 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2803 .f = window_copy_cmd_previous_word
2804 },
2805 { .command = "rectangle-on",
2806 .minargs = 0,
2807 .maxargs = 0,
2808 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2809 .f = window_copy_cmd_rectangle_on
2810 },
2811 { .command = "rectangle-off",
2812 .minargs = 0,
2813 .maxargs = 0,
2814 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2815 .f = window_copy_cmd_rectangle_off
2816 },
2817 { .command = "rectangle-toggle",
2818 .minargs = 0,
2819 .maxargs = 0,
2820 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2821 .f = window_copy_cmd_rectangle_toggle
2822 },
2823 { .command = "refresh-from-pane",
2824 .minargs = 0,
2825 .maxargs = 0,
2826 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2827 .f = window_copy_cmd_refresh_from_pane
2828 },
2829 { .command = "scroll-bottom",
2830 .minargs = 0,
2831 .maxargs = 0,
2832 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2833 .f = window_copy_cmd_scroll_bottom
2834 },
2835 { .command = "scroll-down",
2836 .minargs = 0,
2837 .maxargs = 0,
2838 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2839 .f = window_copy_cmd_scroll_down
2840 },
2841 { .command = "scroll-down-and-cancel",
2842 .minargs = 0,
2843 .maxargs = 0,
2844 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2845 .f = window_copy_cmd_scroll_down_and_cancel
2846 },
2847 { .command = "scroll-middle",
2848 .minargs = 0,
2849 .maxargs = 0,
2850 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2851 .f = window_copy_cmd_scroll_middle
2852 },
2853 { .command = "scroll-top",
2854 .minargs = 0,
2855 .maxargs = 0,
2856 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2857 .f = window_copy_cmd_scroll_top
2858 },
2859 { .command = "scroll-up",
2860 .minargs = 0,
2861 .maxargs = 0,
2862 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2863 .f = window_copy_cmd_scroll_up
2864 },
2865 { .command = "search-again",
2866 .minargs = 0,
2867 .maxargs = 0,
2868 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2869 .f = window_copy_cmd_search_again
2870 },
2871 { .command = "search-backward",
2872 .minargs = 0,
2873 .maxargs = 1,
2874 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2875 .f = window_copy_cmd_search_backward
2876 },
2877 { .command = "search-backward-text",
2878 .minargs = 0,
2879 .maxargs = 1,
2880 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2881 .f = window_copy_cmd_search_backward_text
2882 },
2883 { .command = "search-backward-incremental",
2884 .minargs = 1,
2885 .maxargs = 1,
2886 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2887 .f = window_copy_cmd_search_backward_incremental
2888 },
2889 { .command = "search-forward",
2890 .minargs = 0,
2891 .maxargs = 1,
2892 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2893 .f = window_copy_cmd_search_forward
2894 },
2895 { .command = "search-forward-text",
2896 .minargs = 0,
2897 .maxargs = 1,
2898 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2899 .f = window_copy_cmd_search_forward_text
2900 },
2901 { .command = "search-forward-incremental",
2902 .minargs = 1,
2903 .maxargs = 1,
2904 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2905 .f = window_copy_cmd_search_forward_incremental
2906 },
2907 { .command = "search-reverse",
2908 .minargs = 0,
2909 .maxargs = 0,
2910 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2911 .f = window_copy_cmd_search_reverse
2912 },
2913 { .command = "select-line",
2914 .minargs = 0,
2915 .maxargs = 0,
2916 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2917 .f = window_copy_cmd_select_line
2918 },
2919 { .command = "select-word",
2920 .minargs = 0,
2921 .maxargs = 0,
2922 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2923 .f = window_copy_cmd_select_word
2924 },
2925 { .command = "set-mark",
2926 .minargs = 0,
2927 .maxargs = 0,
2928 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2929 .f = window_copy_cmd_set_mark
2930 },
2931 { .command = "start-of-line",
2932 .minargs = 0,
2933 .maxargs = 0,
2934 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2935 .f = window_copy_cmd_start_of_line
2936 },
2937 { .command = "stop-selection",
2938 .minargs = 0,
2939 .maxargs = 0,
2940 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2941 .f = window_copy_cmd_stop_selection
2942 },
2943 { .command = "toggle-position",
2944 .minargs = 0,
2945 .maxargs = 0,
2946 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2947 .f = window_copy_cmd_toggle_position
2948 },
2949 { .command = "top-line",
2950 .minargs = 0,
2951 .maxargs = 0,
2952 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2953 .f = window_copy_cmd_top_line
2954 }
2955 };
2956
2957 static void
2958 window_copy_command(struct window_mode_entry *wme, struct client *c,
2959 struct session *s, struct winlink *wl, struct args *args,
2960 struct mouse_event *m)
2961 {
2962 struct window_copy_mode_data *data = wme->data;
2963 struct window_copy_cmd_state cs;
2964 enum window_copy_cmd_action action;
2965 enum window_copy_cmd_clear clear = WINDOW_COPY_CMD_CLEAR_NEVER;
2966 const char *command;
2967 u_int i, count = args_count(args);
2968 int keys;
2969
2970 if (count == 0)
2971 return;
2972 command = args_string(args, 0);
2973
2974 if (m != NULL && m->valid && !MOUSE_WHEEL(m->b))
2975 window_copy_move_mouse(m);
2976
2977 cs.wme = wme;
2978 cs.args = args;
2979 cs.m = m;
2980
2981 cs.c = c;
2982 cs.s = s;
2983 cs.wl = wl;
2984
2985 action = WINDOW_COPY_CMD_NOTHING;
2986 for (i = 0; i < nitems(window_copy_cmd_table); i++) {
2987 if (strcmp(window_copy_cmd_table[i].command, command) == 0) {
2988 if (count - 1 < window_copy_cmd_table[i].minargs ||
2989 count - 1 > window_copy_cmd_table[i].maxargs)
2990 break;
2991 clear = window_copy_cmd_table[i].clear;
2992 action = window_copy_cmd_table[i].f(&cs);
2993 break;
2994 }
2995 }
2996
2997 if (strncmp(command, "search-", 7) != 0 && data->searchmark != NULL) {
2998 keys = options_get_number(wme->wp->window->options, "mode-keys");
2999 if (clear == WINDOW_COPY_CMD_CLEAR_EMACS_ONLY &&
3000 keys == MODEKEY_VI)
3001 clear = WINDOW_COPY_CMD_CLEAR_NEVER;
3002 if (clear != WINDOW_COPY_CMD_CLEAR_NEVER) {
3003 window_copy_clear_marks(wme);
3004 data->searchx = data->searchy = -1;
3005 }
3006 if (action == WINDOW_COPY_CMD_NOTHING)
3007 action = WINDOW_COPY_CMD_REDRAW;
3008 }
3009 wme->prefix = 1;
3010
3011 if (action == WINDOW_COPY_CMD_CANCEL)
3012 window_pane_reset_mode(wme->wp);
3013 else if (action == WINDOW_COPY_CMD_REDRAW)
3014 window_copy_redraw_screen(wme);
3015 }
3016
3017 static void
3018 window_copy_scroll_to(struct window_mode_entry *wme, u_int px, u_int py,
3019 int no_redraw)
3020 {
3021 struct window_copy_mode_data *data = wme->data;
3022 struct grid *gd = data->backing->grid;
3023 u_int offset, gap;
3024
3025 data->cx = px;
3026
3027 if (py >= gd->hsize - data->oy && py < gd->hsize - data->oy + gd->sy)
3028 data->cy = py - (gd->hsize - data->oy);
3029 else {
3030 gap = gd->sy / 4;
3031 if (py < gd->sy) {
3032 offset = 0;
3033 data->cy = py;
3034 } else if (py > gd->hsize + gd->sy - gap) {
3035 offset = gd->hsize;
3036 data->cy = py - gd->hsize;
3037 } else {
3038 offset = py + gap - gd->sy;
3039 data->cy = py - offset;
3040 }
3041 data->oy = gd->hsize - offset;
3042 }
3043
3044 if (!no_redraw && data->searchmark != NULL && !data->timeout)
3045 window_copy_search_marks(wme, NULL, data->searchregex, 1);
3046 window_copy_update_selection(wme, 1, 0);
3047 if (!no_redraw)
3048 window_copy_redraw_screen(wme);
3049 }
3050
3051 static int
3052 window_copy_search_compare(struct grid *gd, u_int px, u_int py,
3053 struct grid *sgd, u_int spx, int cis)
3054 {
3055 struct grid_cell gc, sgc;
3056 const struct utf8_data *ud, *sud;
3057
3058 grid_get_cell(gd, px, py, &gc);
3059 ud = &gc.data;
3060 grid_get_cell(sgd, spx, 0, &sgc);
3061 sud = &sgc.data;
3062
3063 if (ud->size != sud->size || ud->width != sud->width)
3064 return (0);
3065
3066 if (cis && ud->size == 1)
3067 return (tolower(ud->data[0]) == sud->data[0]);
3068
3069 return (memcmp(ud->data, sud->data, ud->size) == 0);
3070 }
3071
3072 static int
3073 window_copy_search_lr(struct grid *gd, struct grid *sgd, u_int *ppx, u_int py,
3074 u_int first, u_int last, int cis)
3075 {
3076 u_int ax, bx, px, pywrap, endline;
3077 int matched;
3078 struct grid_line *gl;
3079
3080 endline = gd->hsize + gd->sy - 1;
3081 for (ax = first; ax < last; ax++) {
3082 for (bx = 0; bx < sgd->sx; bx++) {
3083 px = ax + bx;
3084 pywrap = py;
3085 /* Wrap line. */
3086 while (px >= gd->sx && pywrap < endline) {
3087 gl = grid_get_line(gd, pywrap);
3088 if (~gl->flags & GRID_LINE_WRAPPED)
3089 break;
3090 px -= gd->sx;
3091 pywrap++;
3092 }
3093 /* We have run off the end of the grid. */
3094 if (px >= gd->sx)
3095 break;
3096 matched = window_copy_search_compare(gd, px, pywrap,
3097 sgd, bx, cis);
3098 if (!matched)
3099 break;
3100 }
3101 if (bx == sgd->sx) {
3102 *ppx = ax;
3103 return (1);
3104 }
3105 }
3106 return (0);
3107 }
3108
3109 static int
3110 window_copy_search_rl(struct grid *gd,
3111 struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
3112 {
3113 u_int ax, bx, px, pywrap, endline;
3114 int matched;
3115 struct grid_line *gl;
3116
3117 endline = gd->hsize + gd->sy - 1;
3118 for (ax = last; ax > first; ax--) {
3119 for (bx = 0; bx < sgd->sx; bx++) {
3120 px = ax - 1 + bx;
3121 pywrap = py;
3122 /* Wrap line. */
3123 while (px >= gd->sx && pywrap < endline) {
3124 gl = grid_get_line(gd, pywrap);
3125 if (~gl->flags & GRID_LINE_WRAPPED)
3126 break;
3127 px -= gd->sx;
3128 pywrap++;
3129 }
3130 /* We have run off the end of the grid. */
3131 if (px >= gd->sx)
3132 break;
3133 matched = window_copy_search_compare(gd, px, pywrap,
3134 sgd, bx, cis);
3135 if (!matched)
3136 break;
3137 }
3138 if (bx == sgd->sx) {
3139 *ppx = ax - 1;
3140 return (1);
3141 }
3142 }
3143 return (0);
3144 }
3145
3146 static int
3147 window_copy_search_lr_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
3148 u_int first, u_int last, regex_t *reg)
3149 {
3150 int eflags = 0;
3151 u_int endline, foundx, foundy, len, pywrap, size = 1;
3152 char *buf;
3153 regmatch_t regmatch;
3154 struct grid_line *gl;
3155
3156 /*
3157 * This can happen during search if the last match was the last
3158 * character on a line.
3159 */
3160 if (first >= last)
3161 return (0);
3162
3163 /* Set flags for regex search. */
3164 if (first != 0)
3165 eflags |= REG_NOTBOL;
3166
3167 /* Need to look at the entire string. */
3168 buf = xmalloc(size);
3169 buf[0] = '\0';
3170 buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
3171 len = gd->sx - first;
3172 endline = gd->hsize + gd->sy - 1;
3173 pywrap = py;
3174 while (buf != NULL && pywrap <= endline) {
3175 gl = grid_get_line(gd, pywrap);
3176 if (~gl->flags & GRID_LINE_WRAPPED)
3177 break;
3178 pywrap++;
3179 buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
3180 len += gd->sx;
3181 }
3182
3183 if (regexec(reg, buf, 1, &regmatch, eflags) == 0 &&
3184 regmatch.rm_so != regmatch.rm_eo) {
3185 foundx = first;
3186 foundy = py;
3187 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3188 buf + regmatch.rm_so);
3189 if (foundy == py && foundx < last) {
3190 *ppx = foundx;
3191 len -= foundx - first;
3192 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3193 buf + regmatch.rm_eo);
3194 *psx = foundx;
3195 while (foundy > py) {
3196 *psx += gd->sx;
3197 foundy--;
3198 }
3199 *psx -= *ppx;
3200 free(buf);
3201 return (1);
3202 }
3203 }
3204
3205 free(buf);
3206 *ppx = 0;
3207 *psx = 0;
3208 return (0);
3209 }
3210
3211 static int
3212 window_copy_search_rl_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
3213 u_int first, u_int last, regex_t *reg)
3214 {
3215 int eflags = 0;
3216 u_int endline, len, pywrap, size = 1;
3217 char *buf;
3218 struct grid_line *gl;
3219
3220 /* Set flags for regex search. */
3221 if (first != 0)
3222 eflags |= REG_NOTBOL;
3223
3224 /* Need to look at the entire string. */
3225 buf = xmalloc(size);
3226 buf[0] = '\0';
3227 buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
3228 len = gd->sx - first;
3229 endline = gd->hsize + gd->sy - 1;
3230 pywrap = py;
3231 while (buf != NULL && (pywrap <= endline)) {
3232 gl = grid_get_line(gd, pywrap);
3233 if (~gl->flags & GRID_LINE_WRAPPED)
3234 break;
3235 pywrap++;
3236 buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
3237 len += gd->sx;
3238 }
3239
3240 if (window_copy_last_regex(gd, py, first, last, len, ppx, psx, buf,
3241 reg, eflags))
3242 {
3243 free(buf);
3244 return (1);
3245 }
3246
3247 free(buf);
3248 *ppx = 0;
3249 *psx = 0;
3250 return (0);
3251 }
3252
3253 static const char *
3254 window_copy_cellstring(const struct grid_line *gl, u_int px, size_t *size,
3255 int *allocated)
3256 {
3257 static struct utf8_data ud;
3258 struct grid_cell_entry *gce;
3259 char *copy;
3260
3261 if (px >= gl->cellsize) {
3262 *size = 1;
3263 *allocated = 0;
3264 return (" ");
3265 }
3266
3267 gce = &gl->celldata[px];
3268 if (gce->flags & GRID_FLAG_PADDING) {
3269 *size = 0;
3270 *allocated = 0;
3271 return (NULL);
3272 }
3273 if (~gce->flags & GRID_FLAG_EXTENDED) {
3274 *size = 1;
3275 *allocated = 0;
3276 return (&gce->data.data);
3277 }
3278
3279 utf8_to_data(gl->extddata[gce->offset].data, &ud);
3280 if (ud.size == 0) {
3281 *size = 0;
3282 *allocated = 0;
3283 return (NULL);
3284 }
3285 *size = ud.size;
3286 *allocated = 1;
3287
3288 copy = xmalloc(ud.size);
3289 memcpy(copy, ud.data, ud.size);
3290 return (copy);
3291 }
3292
3293 /* Find last match in given range. */
3294 static int
3295 window_copy_last_regex(struct grid *gd, u_int py, u_int first, u_int last,
3296 u_int len, u_int *ppx, u_int *psx, const char *buf, const regex_t *preg,
3297 int eflags)
3298 {
3299 u_int foundx, foundy, oldx, px = 0, savepx, savesx = 0;
3300 regmatch_t regmatch;
3301
3302 foundx = first;
3303 foundy = py;
3304 oldx = first;
3305 while (regexec(preg, buf + px, 1, &regmatch, eflags) == 0) {
3306 if (regmatch.rm_so == regmatch.rm_eo)
3307 break;
3308 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3309 buf + px + regmatch.rm_so);
3310 if (foundy > py || foundx >= last)
3311 break;
3312 len -= foundx - oldx;
3313 savepx = foundx;
3314 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3315 buf + px + regmatch.rm_eo);
3316 if (foundy > py || foundx >= last) {
3317 *ppx = savepx;
3318 *psx = foundx;
3319 while (foundy > py) {
3320 *psx += gd->sx;
3321 foundy--;
3322 }
3323 *psx -= *ppx;
3324 return (1);
3325 } else {
3326 savesx = foundx - savepx;
3327 len -= savesx;
3328 oldx = foundx;
3329 }
3330 px += regmatch.rm_eo;
3331 }
3332
3333 if (savesx > 0) {
3334 *ppx = savepx;
3335 *psx = savesx;
3336 return (1);
3337 } else {
3338 *ppx = 0;
3339 *psx = 0;
3340 return (0);
3341 }
3342 }
3343
3344 /* Stringify line and append to input buffer. Caller frees. */
3345 static char *
3346 window_copy_stringify(struct grid *gd, u_int py, u_int first, u_int last,
3347 char *buf, u_int *size)
3348 {
3349 u_int ax, bx, newsize = *size;
3350 const struct grid_line *gl;
3351 const char *d;
3352 size_t bufsize = 1024, dlen;
3353 int allocated;
3354
3355 while (bufsize < newsize)
3356 bufsize *= 2;
3357 buf = xrealloc(buf, bufsize);
3358
3359 gl = grid_peek_line(gd, py);
3360 bx = *size - 1;
3361 for (ax = first; ax < last; ax++) {
3362 d = window_copy_cellstring(gl, ax, &dlen, &allocated);
3363 newsize += dlen;
3364 while (bufsize < newsize) {
3365 bufsize *= 2;
3366 buf = xrealloc(buf, bufsize);
3367 }
3368 if (dlen == 1)
3369 buf[bx++] = *d;
3370 else {
3371 memcpy(buf + bx, d, dlen);
3372 bx += dlen;
3373 }
3374 if (allocated)
3375 free((void *)d);
3376 }
3377 buf[newsize - 1] = '\0';
3378
3379 *size = newsize;
3380 return (buf);
3381 }
3382
3383 /* Map start of C string containing UTF-8 data to grid cell position. */
3384 static void
3385 window_copy_cstrtocellpos(struct grid *gd, u_int ncells, u_int *ppx, u_int *ppy,
3386 const char *str)
3387 {
3388 u_int cell, ccell, px, pywrap, pos, len;
3389 int match;
3390 const struct grid_line *gl;
3391 const char *d;
3392 size_t dlen;
3393 struct {
3394 const char *d;
3395 size_t dlen;
3396 int allocated;
3397 } *cells;
3398
3399 /* Populate the array of cell data. */
3400 cells = xreallocarray(NULL, ncells, sizeof cells[0]);
3401 cell = 0;
3402 px = *ppx;
3403 pywrap = *ppy;
3404 gl = grid_peek_line(gd, pywrap);
3405 while (cell < ncells) {
3406 cells[cell].d = window_copy_cellstring(gl, px,
3407 &cells[cell].dlen, &cells[cell].allocated);
3408 cell++;
3409 px++;
3410 if (px == gd->sx) {
3411 px = 0;
3412 pywrap++;
3413 gl = grid_peek_line(gd, pywrap);
3414 }
3415 }
3416
3417 /* Locate starting cell. */
3418 cell = 0;
3419 len = strlen(str);
3420 while (cell < ncells) {
3421 ccell = cell;
3422 pos = 0;
3423 match = 1;
3424 while (ccell < ncells) {
3425 if (str[pos] == '\0') {
3426 match = 0;
3427 break;
3428 }
3429 d = cells[ccell].d;
3430 dlen = cells[ccell].dlen;
3431 if (dlen == 1) {
3432 if (str[pos] != *d) {
3433 match = 0;
3434 break;
3435 }
3436 pos++;
3437 } else {
3438 if (dlen > len - pos)
3439 dlen = len - pos;
3440 if (memcmp(str + pos, d, dlen) != 0) {
3441 match = 0;
3442 break;
3443 }
3444 pos += dlen;
3445 }
3446 ccell++;
3447 }
3448 if (match)
3449 break;
3450 cell++;
3451 }
3452
3453 /* If not found this will be one past the end. */
3454 px = *ppx + cell;
3455 pywrap = *ppy;
3456 while (px >= gd->sx) {
3457 px -= gd->sx;
3458 pywrap++;
3459 }
3460
3461 *ppx = px;
3462 *ppy = pywrap;
3463
3464 /* Free cell data. */
3465 for (cell = 0; cell < ncells; cell++) {
3466 if (cells[cell].allocated)
3467 free((void *)cells[cell].d);
3468 }
3469 free(cells);
3470 }
3471
3472 static void
3473 window_copy_move_left(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
3474 {
3475 if (*fx == 0) { /* left */
3476 if (*fy == 0) { /* top */
3477 if (wrapflag) {
3478 *fx = screen_size_x(s) - 1;
3479 *fy = screen_hsize(s) + screen_size_y(s) - 1;
3480 }
3481 return;
3482 }
3483 *fx = screen_size_x(s) - 1;
3484 *fy = *fy - 1;
3485 } else
3486 *fx = *fx - 1;
3487 }
3488
3489 static void
3490 window_copy_move_right(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
3491 {
3492 if (*fx == screen_size_x(s) - 1) { /* right */
3493 if (*fy == screen_hsize(s) + screen_size_y(s) - 1) { /* bottom */
3494 if (wrapflag) {
3495 *fx = 0;
3496 *fy = 0;
3497 }
3498 return;
3499 }
3500 *fx = 0;
3501 *fy = *fy + 1;
3502 } else
3503 *fx = *fx + 1;
3504 }
3505
3506 static int
3507 window_copy_is_lowercase(const char *ptr)
3508 {
3509 while (*ptr != '\0') {
3510 if (*ptr != tolower((u_char)*ptr))
3511 return (0);
3512 ++ptr;
3513 }
3514 return (1);
3515 }
3516
3517 /*
3518 * Handle backward wrapped regex searches with overlapping matches. In this case
3519 * find the longest overlapping match from previous wrapped lines.
3520 */
3521 static void
3522 window_copy_search_back_overlap(struct grid *gd, regex_t *preg, u_int *ppx,
3523 u_int *psx, u_int *ppy, u_int endline)
3524 {
3525 u_int endx, endy, oldendx, oldendy, px, py, sx;
3526 int found = 1;
3527
3528 oldendx = *ppx + *psx;
3529 oldendy = *ppy - 1;
3530 while (oldendx > gd->sx - 1) {
3531 oldendx -= gd->sx;
3532 oldendy++;
3533 }
3534 endx = oldendx;
3535 endy = oldendy;
3536 px = *ppx;
3537 py = *ppy;
3538 while (found && px == 0 && py - 1 > endline &&
3539 grid_get_line(gd, py - 2)->flags & GRID_LINE_WRAPPED &&
3540 endx == oldendx && endy == oldendy) {
3541 py--;
3542 found = window_copy_search_rl_regex(gd, &px, &sx, py - 1, 0,
3543 gd->sx, preg);
3544 if (found) {
3545 endx = px + sx;
3546 endy = py - 1;
3547 while (endx > gd->sx - 1) {
3548 endx -= gd->sx;
3549 endy++;
3550 }
3551 if (endx == oldendx && endy == oldendy) {
3552 *ppx = px;
3553 *ppy = py;
3554 }
3555 }
3556 }
3557 }
3558
3559 /*
3560 * Search for text stored in sgd starting from position fx,fy up to endline. If
3561 * found, jump to it. If cis then ignore case. The direction is 0 for searching
3562 * up, down otherwise. If wrap then go to begin/end of grid and try again if
3563 * not found.
3564 */
3565 static int
3566 window_copy_search_jump(struct window_mode_entry *wme, struct grid *gd,
3567 struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
3568 int direction, int regex)
3569 {
3570 u_int i, px, sx, ssize = 1;
3571 int found = 0, cflags = REG_EXTENDED;
3572 char *sbuf;
3573 regex_t reg;
3574
3575 if (regex) {
3576 sbuf = xmalloc(ssize);
3577 sbuf[0] = '\0';
3578 sbuf = window_copy_stringify(sgd, 0, 0, sgd->sx, sbuf, &ssize);
3579 if (cis)
3580 cflags |= REG_ICASE;
3581 if (regcomp(&reg, sbuf, cflags) != 0) {
3582 free(sbuf);
3583 return (0);
3584 }
3585 free(sbuf);
3586 }
3587
3588 if (direction) {
3589 for (i = fy; i <= endline; i++) {
3590 if (regex) {
3591 found = window_copy_search_lr_regex(gd,
3592 &px, &sx, i, fx, gd->sx, &reg);
3593 } else {
3594 found = window_copy_search_lr(gd, sgd,
3595 &px, i, fx, gd->sx, cis);
3596 }
3597 if (found)
3598 break;
3599 fx = 0;
3600 }
3601 } else {
3602 for (i = fy + 1; endline < i; i--) {
3603 if (regex) {
3604 found = window_copy_search_rl_regex(gd,
3605 &px, &sx, i - 1, 0, fx + 1, &reg);
3606 if (found) {
3607 window_copy_search_back_overlap(gd,
3608 &reg, &px, &sx, &i, endline);
3609 }
3610 } else {
3611 found = window_copy_search_rl(gd, sgd,
3612 &px, i - 1, 0, fx + 1, cis);
3613 }
3614 if (found) {
3615 i--;
3616 break;
3617 }
3618 fx = gd->sx - 1;
3619 }
3620 }
3621 if (regex)
3622 regfree(&reg);
3623
3624 if (found) {
3625 window_copy_scroll_to(wme, px, i, 1);
3626 return (1);
3627 }
3628 if (wrap) {
3629 return (window_copy_search_jump(wme, gd, sgd,
3630 direction ? 0 : gd->sx - 1,
3631 direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
3632 direction, regex));
3633 }
3634 return (0);
3635 }
3636
3637 static void
3638 window_copy_move_after_search_mark(struct window_copy_mode_data *data,
3639 u_int *fx, u_int *fy, int wrapflag)
3640 {
3641 struct screen *s = data->backing;
3642 u_int at, start;
3643
3644 if (window_copy_search_mark_at(data, *fx, *fy, &start) == 0 &&
3645 data->searchmark[start] != 0) {
3646 while (window_copy_search_mark_at(data, *fx, *fy, &at) == 0) {
3647 if (data->searchmark[at] != data->searchmark[start])
3648 break;
3649 /* Stop if not wrapping and at the end of the grid. */
3650 if (!wrapflag &&
3651 *fx == screen_size_x(s) - 1 &&
3652 *fy == screen_hsize(s) + screen_size_y(s) - 1)
3653 break;
3654
3655 window_copy_move_right(s, fx, fy, wrapflag);
3656 }
3657 }
3658 }
3659
3660 /*
3661 * Search in for text searchstr. If direction is 0 then search up, otherwise
3662 * down.
3663 */
3664 static int
3665 window_copy_search(struct window_mode_entry *wme, int direction, int regex)
3666 {
3667 struct window_pane *wp = wme->wp;
3668 struct window_copy_mode_data *data = wme->data;
3669 struct screen *s = data->backing, ss;
3670 struct screen_write_ctx ctx;
3671 struct grid *gd = s->grid;
3672 const char *str = data->searchstr;
3673 u_int at, endline, fx, fy, start;
3674 int cis, found, keys, visible_only;
3675 int wrapflag;
3676
3677 if (regex && str[strcspn(str, "^$*+()?[].\\")] == '\0')
3678 regex = 0;
3679
3680 data->searchdirection = direction;
3681
3682 if (data->timeout)
3683 return (0);
3684
3685 if (data->searchall || wp->searchstr == NULL ||
3686 wp->searchregex != regex) {
3687 visible_only = 0;
3688 data->searchall = 0;
3689 } else
3690 visible_only = (strcmp(wp->searchstr, str) == 0);
3691 if (visible_only == 0 && data->searchmark != NULL)
3692 window_copy_clear_marks(wme);
3693 free(wp->searchstr);
3694 wp->searchstr = xstrdup(str);
3695 wp->searchregex = regex;
3696
3697 fx = data->cx;
3698 fy = screen_hsize(data->backing) - data->oy + data->cy;
3699
3700 screen_init(&ss, screen_write_strlen("%s", str), 1, 0);
3701 screen_write_start(&ctx, &ss);
3702 screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", str);
3703 screen_write_stop(&ctx);
3704
3705 wrapflag = options_get_number(wp->window->options, "wrap-search");
3706 cis = window_copy_is_lowercase(str);
3707
3708 keys = options_get_number(wp->window->options, "mode-keys");
3709
3710 if (direction) {
3711 /*
3712 * Behave according to mode-keys. If it is emacs, search forward
3713 * leaves the cursor after the match. If it is vi, the cursor
3714 * remains at the beginning of the match, regardless of
3715 * direction, which means that we need to start the next search
3716 * after the term the cursor is currently on when searching
3717 * forward.
3718 */
3719 if (keys == MODEKEY_VI) {
3720 if (data->searchmark != NULL)
3721 window_copy_move_after_search_mark(data, &fx,
3722 &fy, wrapflag);
3723 else {
3724 /*
3725 * When there are no search marks, start the
3726 * search after the current cursor position.
3727 */
3728 window_copy_move_right(s, &fx, &fy, wrapflag);
3729 }
3730 }
3731 endline = gd->hsize + gd->sy - 1;
3732 }
3733 else {
3734 window_copy_move_left(s, &fx, &fy, wrapflag);
3735 endline = 0;
3736 }
3737
3738 found = window_copy_search_jump(wme, gd, ss.grid, fx, fy, endline, cis,
3739 wrapflag, direction, regex);
3740 if (found) {
3741 window_copy_search_marks(wme, &ss, regex, visible_only);
3742 fx = data->cx;
3743 fy = screen_hsize(data->backing) - data->oy + data->cy;
3744
3745 /*
3746 * When searching forward, if the cursor is not at the beginning
3747 * of the mark, search again.
3748 */
3749 if (direction &&
3750 window_copy_search_mark_at(data, fx, fy, &at) == 0 &&
3751 at > 0 &&
3752 data->searchmark != NULL &&
3753 data->searchmark[at] == data->searchmark[at - 1]) {
3754 window_copy_move_after_search_mark(data, &fx, &fy,
3755 wrapflag);
3756 window_copy_search_jump(wme, gd, ss.grid, fx,
3757 fy, endline, cis, wrapflag, direction,
3758 regex);
3759 fx = data->cx;
3760 fy = screen_hsize(data->backing) - data->oy + data->cy;
3761 }
3762
3763 if (direction) {
3764 /*
3765 * When in Emacs mode, position the cursor just after
3766 * the mark.
3767 */
3768 if (keys == MODEKEY_EMACS) {
3769 window_copy_move_after_search_mark(data, &fx,
3770 &fy, wrapflag);
3771 data->cx = fx;
3772 data->cy = fy - screen_hsize(data->backing) +
3773 data-> oy;
3774 }
3775 }
3776 else {
3777 /*
3778 * When searching backward, position the cursor at the
3779 * beginning of the mark.
3780 */
3781 if (window_copy_search_mark_at(data, fx, fy,
3782 &start) == 0) {
3783 while (window_copy_search_mark_at(data, fx, fy,
3784 &at) == 0 &&
3785 data->searchmark != NULL &&
3786 data->searchmark[at] ==
3787 data->searchmark[start]) {
3788 data->cx = fx;
3789 data->cy = fy -
3790 screen_hsize(data->backing) +
3791 data-> oy;
3792 if (at == 0)
3793 break;
3794
3795 window_copy_move_left(s, &fx, &fy, 0);
3796 }
3797 }
3798 }
3799 }
3800 window_copy_redraw_screen(wme);
3801
3802 screen_free(&ss);
3803 return (found);
3804 }
3805
3806 static void
3807 window_copy_visible_lines(struct window_copy_mode_data *data, u_int *start,
3808 u_int *end)
3809 {
3810 struct grid *gd = data->backing->grid;
3811 const struct grid_line *gl;
3812
3813 for (*start = gd->hsize - data->oy; *start > 0; (*start)--) {
3814 gl = grid_peek_line(gd, (*start) - 1);
3815 if (~gl->flags & GRID_LINE_WRAPPED)
3816 break;
3817 }
3818 *end = gd->hsize - data->oy + gd->sy;
3819 }
3820
3821 static int
3822 window_copy_search_mark_at(struct window_copy_mode_data *data, u_int px,
3823 u_int py, u_int *at)
3824 {
3825 struct screen *s = data->backing;
3826 struct grid *gd = s->grid;
3827
3828 if (py < gd->hsize - data->oy)
3829 return (-1);
3830 if (py > gd->hsize - data->oy + gd->sy - 1)
3831 return (-1);
3832 *at = ((py - (gd->hsize - data->oy)) * gd->sx) + px;
3833 return (0);
3834 }
3835
3836 static int
3837 window_copy_search_marks(struct window_mode_entry *wme, struct screen *ssp,
3838 int regex, int visible_only)
3839 {
3840 struct window_copy_mode_data *data = wme->data;
3841 struct screen *s = data->backing, ss;
3842 struct screen_write_ctx ctx;
3843 struct grid *gd = s->grid;
3844 int found, cis, stopped = 0;
3845 int cflags = REG_EXTENDED;
3846 u_int px, py, i, b, nfound = 0, width;
3847 u_int ssize = 1, start, end;
3848 char *sbuf;
3849 regex_t reg;
3850 uint64_t stop = 0, tstart, t;
3851
3852 if (ssp == NULL) {
3853 width = screen_write_strlen("%s", data->searchstr);
3854 screen_init(&ss, width, 1, 0);
3855 screen_write_start(&ctx, &ss);
3856 screen_write_nputs(&ctx, -1, &grid_default_cell, "%s",
3857 data->searchstr);
3858 screen_write_stop(&ctx);
3859 ssp = &ss;
3860 } else
3861 width = screen_size_x(ssp);
3862
3863 cis = window_copy_is_lowercase(data->searchstr);
3864
3865 if (regex) {
3866 sbuf = xmalloc(ssize);
3867 sbuf[0] = '\0';
3868 sbuf = window_copy_stringify(ssp->grid, 0, 0, ssp->grid->sx,
3869 sbuf, &ssize);
3870 if (cis)
3871 cflags |= REG_ICASE;
3872 if (regcomp(&reg, sbuf, cflags) != 0) {
3873 free(sbuf);
3874 return (0);
3875 }
3876 free(sbuf);
3877 }
3878 tstart = get_timer();
3879
3880 if (visible_only)
3881 window_copy_visible_lines(data, &start, &end);
3882 else {
3883 start = 0;
3884 end = gd->hsize + gd->sy;
3885 stop = get_timer() + WINDOW_COPY_SEARCH_ALL_TIMEOUT;
3886 }
3887
3888 again:
3889 free(data->searchmark);
3890 data->searchmark = xcalloc(gd->sx, gd->sy);
3891 data->searchgen = 1;
3892
3893 for (py = start; py < end; py++) {
3894 px = 0;
3895 for (;;) {
3896 if (regex) {
3897 found = window_copy_search_lr_regex(gd,
3898 &px, &width, py, px, gd->sx, &reg);
3899 if (!found)
3900 break;
3901 } else {
3902 found = window_copy_search_lr(gd, ssp->grid,
3903 &px, py, px, gd->sx, cis);
3904 if (!found)
3905 break;
3906 }
3907 nfound++;
3908
3909 if (window_copy_search_mark_at(data, px, py, &b) == 0) {
3910 if (b + width > gd->sx * gd->sy)
3911 width = (gd->sx * gd->sy) - b;
3912 for (i = b; i < b + width; i++) {
3913 if (data->searchmark[i] != 0)
3914 continue;
3915 data->searchmark[i] = data->searchgen;
3916 }
3917 if (data->searchgen == UCHAR_MAX)
3918 data->searchgen = 1;
3919 else
3920 data->searchgen++;
3921 }
3922 px += width;
3923 }
3924
3925 t = get_timer();
3926 if (t - tstart > WINDOW_COPY_SEARCH_TIMEOUT) {
3927 data->timeout = 1;
3928 break;
3929 }
3930 if (stop != 0 && t > stop) {
3931 stopped = 1;
3932 break;
3933 }
3934 }
3935 if (data->timeout) {
3936 window_copy_clear_marks(wme);
3937 goto out;
3938 }
3939
3940 if (stopped && stop != 0) {
3941 /* Try again but just the visible context. */
3942 window_copy_visible_lines(data, &start, &end);
3943 stop = 0;
3944 goto again;
3945 }
3946
3947 if (!visible_only) {
3948 if (stopped) {
3949 if (nfound > 1000)
3950 data->searchcount = 1000;
3951 else if (nfound > 100)
3952 data->searchcount = 100;
3953 else if (nfound > 10)
3954 data->searchcount = 10;
3955 else
3956 data->searchcount = -1;
3957 data->searchmore = 1;
3958 } else {
3959 data->searchcount = nfound;
3960 data->searchmore = 0;
3961 }
3962 }
3963
3964 out:
3965 if (ssp == &ss)
3966 screen_free(&ss);
3967 if (regex)
3968 regfree(&reg);
3969 return (1);
3970 }
3971
3972 static void
3973 window_copy_clear_marks(struct window_mode_entry *wme)
3974 {
3975 struct window_copy_mode_data *data = wme->data;
3976
3977 free(data->searchmark);
3978 data->searchmark = NULL;
3979 }
3980
3981 static int
3982 window_copy_search_up(struct window_mode_entry *wme, int regex)
3983 {
3984 return (window_copy_search(wme, 0, regex));
3985 }
3986
3987 static int
3988 window_copy_search_down(struct window_mode_entry *wme, int regex)
3989 {
3990 return (window_copy_search(wme, 1, regex));
3991 }
3992
3993 static void
3994 window_copy_goto_line(struct window_mode_entry *wme, const char *linestr)
3995 {
3996 struct window_copy_mode_data *data = wme->data;
3997 const char *errstr;
3998 int lineno;
3999
4000 lineno = strtonum(linestr, -1, INT_MAX, &errstr);
4001 if (errstr != NULL)
4002 return;
4003 if (lineno < 0 || (u_int)lineno > screen_hsize(data->backing))
4004 lineno = screen_hsize(data->backing);
4005
4006 data->oy = lineno;
4007 window_copy_update_selection(wme, 1, 0);
4008 window_copy_redraw_screen(wme);
4009 }
4010
4011 static void
4012 window_copy_match_start_end(struct window_copy_mode_data *data, u_int at,
4013 u_int *start, u_int *end)
4014 {
4015 struct grid *gd = data->backing->grid;
4016 u_int last = (gd->sy * gd->sx) - 1;
4017 u_char mark = data->searchmark[at];
4018
4019 *start = *end = at;
4020 while (*start != 0 && data->searchmark[*start] == mark)
4021 (*start)--;
4022 if (data->searchmark[*start] != mark)
4023 (*start)++;
4024 while (*end != last && data->searchmark[*end] == mark)
4025 (*end)++;
4026 if (data->searchmark[*end] != mark)
4027 (*end)--;
4028 }
4029
4030 static char *
4031 window_copy_match_at_cursor(struct window_copy_mode_data *data)
4032 {
4033 struct grid *gd = data->backing->grid;
4034 struct grid_cell gc;
4035 u_int at, start, end, cy, px, py;
4036 u_int sx = screen_size_x(data->backing);
4037 char *buf = NULL;
4038 size_t len = 0;
4039
4040 if (data->searchmark == NULL)
4041 return (NULL);
4042
4043 cy = screen_hsize(data->backing) - data->oy + data->cy;
4044 if (window_copy_search_mark_at(data, data->cx, cy, &at) != 0)
4045 return (NULL);
4046 if (data->searchmark[at] == 0) {
4047 /* Allow one position after the match. */
4048 if (at == 0 || data->searchmark[--at] == 0)
4049 return (NULL);
4050 }
4051 window_copy_match_start_end(data, at, &start, &end);
4052
4053 /*
4054 * Cells will not be set in the marked array unless they are valid text
4055 * and wrapping will be taken care of, so we can just copy.
4056 */
4057 for (at = start; at <= end; at++) {
4058 py = at / sx;
4059 px = at - (py * sx);
4060
4061 grid_get_cell(gd, px, gd->hsize + py - data->oy, &gc);
4062 buf = xrealloc(buf, len + gc.data.size + 1);
4063 memcpy(buf + len, gc.data.data, gc.data.size);
4064 len += gc.data.size;
4065 }
4066 if (len != 0)
4067 buf[len] = '\0';
4068 return (buf);
4069 }
4070
4071 static void
4072 window_copy_update_style(struct window_mode_entry *wme, u_int fx, u_int fy,
4073 struct grid_cell *gc, const struct grid_cell *mgc,
4074 const struct grid_cell *cgc, const struct grid_cell *mkgc)
4075 {
4076 struct window_pane *wp = wme->wp;
4077 struct window_copy_mode_data *data = wme->data;
4078 u_int mark, start, end, cy, cursor, current;
4079 int inv = 0, found = 0;
4080 int keys;
4081
4082 if (data->showmark && fy == data->my) {
4083 gc->attr = mkgc->attr;
4084 if (fx == data->mx)
4085 inv = 1;
4086 if (inv) {
4087 gc->fg = mkgc->bg;
4088 gc->bg = mkgc->fg;
4089 }
4090 else {
4091 gc->fg = mkgc->fg;
4092 gc->bg = mkgc->bg;
4093 }
4094 }
4095
4096 if (data->searchmark == NULL)
4097 return;
4098
4099 if (window_copy_search_mark_at(data, fx, fy, &current) != 0)
4100 return;
4101 mark = data->searchmark[current];
4102 if (mark == 0)
4103 return;
4104
4105 cy = screen_hsize(data->backing) - data->oy + data->cy;
4106 if (window_copy_search_mark_at(data, data->cx, cy, &cursor) == 0) {
4107 keys = options_get_number(wp->window->options, "mode-keys");
4108 if (cursor != 0 &&
4109 keys == MODEKEY_EMACS &&
4110 data->searchdirection) {
4111 if (data->searchmark[cursor - 1] == mark) {
4112 cursor--;
4113 found = 1;
4114 }
4115 } else if (data->searchmark[cursor] == mark)
4116 found = 1;
4117 if (found) {
4118 window_copy_match_start_end(data, cursor, &start, &end);
4119 if (current >= start && current <= end) {
4120 gc->attr = cgc->attr;
4121 if (inv) {
4122 gc->fg = cgc->bg;
4123 gc->bg = cgc->fg;
4124 }
4125 else {
4126 gc->fg = cgc->fg;
4127 gc->bg = cgc->bg;
4128 }
4129 return;
4130 }
4131 }
4132 }
4133
4134 gc->attr = mgc->attr;
4135 if (inv) {
4136 gc->fg = mgc->bg;
4137 gc->bg = mgc->fg;
4138 }
4139 else {
4140 gc->fg = mgc->fg;
4141 gc->bg = mgc->bg;
4142 }
4143 }
4144
4145 static void
4146 window_copy_write_one(struct window_mode_entry *wme,
4147 struct screen_write_ctx *ctx, u_int py, u_int fy, u_int nx,
4148 const struct grid_cell *mgc, const struct grid_cell *cgc,
4149 const struct grid_cell *mkgc)
4150 {
4151 struct window_copy_mode_data *data = wme->data;
4152 struct grid *gd = data->backing->grid;
4153 struct grid_cell gc;
4154 u_int fx;
4155
4156 screen_write_cursormove(ctx, 0, py, 0);
4157 for (fx = 0; fx < nx; fx++) {
4158 grid_get_cell(gd, fx, fy, &gc);
4159 if (fx + gc.data.width <= nx) {
4160 window_copy_update_style(wme, fx, fy, &gc, mgc, cgc,
4161 mkgc);
4162 screen_write_cell(ctx, &gc);
4163 }
4164 }
4165 }
4166
4167 static void
4168 window_copy_write_line(struct window_mode_entry *wme,
4169 struct screen_write_ctx *ctx, u_int py)
4170 {
4171 struct window_pane *wp = wme->wp;
4172 struct window_copy_mode_data *data = wme->data;
4173 struct screen *s = &data->screen;
4174 struct options *oo = wp->window->options;
4175 struct grid_line *gl;
4176 struct grid_cell gc, mgc, cgc, mkgc;
4177 char hdr[512], tmp[256], *t;
4178 size_t size = 0;
4179 u_int hsize = screen_hsize(data->backing);
4180
4181 style_apply(&gc, oo, "mode-style", NULL);
4182 gc.flags |= GRID_FLAG_NOPALETTE;
4183 style_apply(&mgc, oo, "copy-mode-match-style", NULL);
4184 mgc.flags |= GRID_FLAG_NOPALETTE;
4185 style_apply(&cgc, oo, "copy-mode-current-match-style", NULL);
4186 cgc.flags |= GRID_FLAG_NOPALETTE;
4187 style_apply(&mkgc, oo, "copy-mode-mark-style", NULL);
4188 mkgc.flags |= GRID_FLAG_NOPALETTE;
4189
4190 if (py == 0 && s->rupper < s->rlower && !data->hide_position) {
4191 gl = grid_get_line(data->backing->grid, hsize - data->oy);
4192 if (gl->time == 0)
4193 xsnprintf(tmp, sizeof tmp, "[%u/%u]", data->oy, hsize);
4194 else {
4195 t = format_pretty_time(gl->time, 1);
4196 xsnprintf(tmp, sizeof tmp, "%s [%u/%u]", t, data->oy,
4197 hsize);
4198 free(t);
4199 }
4200
4201 if (data->searchmark == NULL) {
4202 if (data->timeout) {
4203 size = xsnprintf(hdr, sizeof hdr,
4204 "(timed out) %s", tmp);
4205 } else
4206 size = xsnprintf(hdr, sizeof hdr, "%s", tmp);
4207 } else {
4208 if (data->searchcount == -1)
4209 size = xsnprintf(hdr, sizeof hdr, "%s", tmp);
4210 else {
4211 size = xsnprintf(hdr, sizeof hdr,
4212 "(%d%s results) %s", data->searchcount,
4213 data->searchmore ? "+" : "", tmp);
4214 }
4215 }
4216 if (size > screen_size_x(s))
4217 size = screen_size_x(s);
4218 screen_write_cursormove(ctx, screen_size_x(s) - size, 0, 0);
4219 screen_write_puts(ctx, &gc, "%s", hdr);
4220 } else
4221 size = 0;
4222
4223 if (size < screen_size_x(s)) {
4224 window_copy_write_one(wme, ctx, py, hsize - data->oy + py,
4225 screen_size_x(s) - size, &mgc, &cgc, &mkgc);
4226 }
4227
4228 if (py == data->cy && data->cx == screen_size_x(s)) {
4229 screen_write_cursormove(ctx, screen_size_x(s) - 1, py, 0);
4230 screen_write_putc(ctx, &grid_default_cell, '$');
4231 }
4232 }
4233
4234 static void
4235 window_copy_write_lines(struct window_mode_entry *wme,
4236 struct screen_write_ctx *ctx, u_int py, u_int ny)
4237 {
4238 u_int yy;
4239
4240 for (yy = py; yy < py + ny; yy++)
4241 window_copy_write_line(wme, ctx, py);
4242 }
4243
4244 static void
4245 window_copy_redraw_selection(struct window_mode_entry *wme, u_int old_y)
4246 {
4247 struct window_copy_mode_data *data = wme->data;
4248 struct grid *gd = data->backing->grid;
4249 u_int new_y, start, end;
4250
4251 new_y = data->cy;
4252 if (old_y <= new_y) {
4253 start = old_y;
4254 end = new_y;
4255 } else {
4256 start = new_y;
4257 end = old_y;
4258 }
4259
4260 /*
4261 * In word selection mode the first word on the line below the cursor
4262 * might be selected, so add this line to the redraw area.
4263 */
4264 if (data->selflag == SEL_WORD) {
4265 /* Last grid line in data coordinates. */
4266 if (end < gd->sy + data->oy - 1)
4267 end++;
4268 }
4269 window_copy_redraw_lines(wme, start, end - start + 1);
4270 }
4271
4272 static void
4273 window_copy_redraw_lines(struct window_mode_entry *wme, u_int py, u_int ny)
4274 {
4275 struct window_pane *wp = wme->wp;
4276 struct window_copy_mode_data *data = wme->data;
4277 struct screen_write_ctx ctx;
4278 u_int i;
4279
4280 screen_write_start_pane(&ctx, wp, NULL);
4281 for (i = py; i < py + ny; i++)
4282 window_copy_write_line(wme, &ctx, i);
4283 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
4284 screen_write_stop(&ctx);
4285 }
4286
4287 static void
4288 window_copy_redraw_screen(struct window_mode_entry *wme)
4289 {
4290 struct window_copy_mode_data *data = wme->data;
4291
4292 window_copy_redraw_lines(wme, 0, screen_size_y(&data->screen));
4293 }
4294
4295 static void
4296 window_copy_synchronize_cursor_end(struct window_mode_entry *wme, int begin,
4297 int no_reset)
4298 {
4299 struct window_copy_mode_data *data = wme->data;
4300 u_int xx, yy;
4301
4302 xx = data->cx;
4303 yy = screen_hsize(data->backing) + data->cy - data->oy;
4304 switch (data->selflag) {
4305 case SEL_WORD:
4306 if (no_reset)
4307 break;
4308 begin = 0;
4309 if (data->dy > yy || (data->dy == yy && data->dx > xx)) {
4310 /* Right to left selection. */
4311 window_copy_cursor_previous_word_pos(wme,
4312 data->separators, &xx, &yy);
4313 begin = 1;
4314
4315 /* Reset the end. */
4316 data->endselx = data->endselrx;
4317 data->endsely = data->endselry;
4318 } else {
4319 /* Left to right selection. */
4320 if (xx >= window_copy_find_length(wme, yy) ||
4321 !window_copy_in_set(wme, xx + 1, yy, WHITESPACE)) {
4322 window_copy_cursor_next_word_end_pos(wme,
4323 data->separators, &xx, &yy);
4324 }
4325
4326 /* Reset the start. */
4327 data->selx = data->selrx;
4328 data->sely = data->selry;
4329 }
4330 break;
4331 case SEL_LINE:
4332 if (no_reset)
4333 break;
4334 begin = 0;
4335 if (data->dy > yy) {
4336 /* Right to left selection. */
4337 xx = 0;
4338 begin = 1;
4339
4340 /* Reset the end. */
4341 data->endselx = data->endselrx;
4342 data->endsely = data->endselry;
4343 } else {
4344 /* Left to right selection. */
4345 if (yy < data->endselry)
4346 yy = data->endselry;
4347 xx = window_copy_find_length(wme, yy);
4348
4349 /* Reset the start. */
4350 data->selx = data->selrx;
4351 data->sely = data->selry;
4352 }
4353 break;
4354 case SEL_CHAR:
4355 break;
4356 }
4357 if (begin) {
4358 data->selx = xx;
4359 data->sely = yy;
4360 } else {
4361 data->endselx = xx;
4362 data->endsely = yy;
4363 }
4364 }
4365
4366 static void
4367 window_copy_synchronize_cursor(struct window_mode_entry *wme, int no_reset)
4368 {
4369 struct window_copy_mode_data *data = wme->data;
4370
4371 switch (data->cursordrag) {
4372 case CURSORDRAG_ENDSEL:
4373 window_copy_synchronize_cursor_end(wme, 0, no_reset);
4374 break;
4375 case CURSORDRAG_SEL:
4376 window_copy_synchronize_cursor_end(wme, 1, no_reset);
4377 break;
4378 case CURSORDRAG_NONE:
4379 break;
4380 }
4381 }
4382
4383 static void
4384 window_copy_update_cursor(struct window_mode_entry *wme, u_int cx, u_int cy)
4385 {
4386 struct window_pane *wp = wme->wp;
4387 struct window_copy_mode_data *data = wme->data;
4388 struct screen *s = &data->screen;
4389 struct screen_write_ctx ctx;
4390 u_int old_cx, old_cy;
4391
4392 old_cx = data->cx; old_cy = data->cy;
4393 data->cx = cx; data->cy = cy;
4394 if (old_cx == screen_size_x(s))
4395 window_copy_redraw_lines(wme, old_cy, 1);
4396 if (data->cx == screen_size_x(s))
4397 window_copy_redraw_lines(wme, data->cy, 1);
4398 else {
4399 screen_write_start_pane(&ctx, wp, NULL);
4400 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
4401 screen_write_stop(&ctx);
4402 }
4403 }
4404
4405 static void
4406 window_copy_start_selection(struct window_mode_entry *wme)
4407 {
4408 struct window_copy_mode_data *data = wme->data;
4409
4410 data->selx = data->cx;
4411 data->sely = screen_hsize(data->backing) + data->cy - data->oy;
4412
4413 data->endselx = data->selx;
4414 data->endsely = data->sely;
4415
4416 data->cursordrag = CURSORDRAG_ENDSEL;
4417
4418 window_copy_set_selection(wme, 1, 0);
4419 }
4420
4421 static int
4422 window_copy_adjust_selection(struct window_mode_entry *wme, u_int *selx,
4423 u_int *sely)
4424 {
4425 struct window_copy_mode_data *data = wme->data;
4426 struct screen *s = &data->screen;
4427 u_int sx, sy, ty;
4428 int relpos;
4429
4430 sx = *selx;
4431 sy = *sely;
4432
4433 ty = screen_hsize(data->backing) - data->oy;
4434 if (sy < ty) {
4435 relpos = WINDOW_COPY_REL_POS_ABOVE;
4436 if (!data->rectflag)
4437 sx = 0;
4438 sy = 0;
4439 } else if (sy > ty + screen_size_y(s) - 1) {
4440 relpos = WINDOW_COPY_REL_POS_BELOW;
4441 if (!data->rectflag)
4442 sx = screen_size_x(s) - 1;
4443 sy = screen_size_y(s) - 1;
4444 } else {
4445 relpos = WINDOW_COPY_REL_POS_ON_SCREEN;
4446 sy -= ty;
4447 }
4448
4449 *selx = sx;
4450 *sely = sy;
4451 return (relpos);
4452 }
4453
4454 static int
4455 window_copy_update_selection(struct window_mode_entry *wme, int may_redraw,
4456 int no_reset)
4457 {
4458 struct window_copy_mode_data *data = wme->data;
4459 struct screen *s = &data->screen;
4460
4461 if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
4462 return (0);
4463 return (window_copy_set_selection(wme, may_redraw, no_reset));
4464 }
4465
4466 static int
4467 window_copy_set_selection(struct window_mode_entry *wme, int may_redraw,
4468 int no_reset)
4469 {
4470 struct window_pane *wp = wme->wp;
4471 struct window_copy_mode_data *data = wme->data;
4472 struct screen *s = &data->screen;
4473 struct options *oo = wp->window->options;
4474 struct grid_cell gc;
4475 u_int sx, sy, cy, endsx, endsy;
4476 int startrelpos, endrelpos;
4477
4478 window_copy_synchronize_cursor(wme, no_reset);
4479
4480 /* Adjust the selection. */
4481 sx = data->selx;
4482 sy = data->sely;
4483 startrelpos = window_copy_adjust_selection(wme, &sx, &sy);
4484
4485 /* Adjust the end of selection. */
4486 endsx = data->endselx;
4487 endsy = data->endsely;
4488 endrelpos = window_copy_adjust_selection(wme, &endsx, &endsy);
4489
4490 /* Selection is outside of the current screen */
4491 if (startrelpos == endrelpos &&
4492 startrelpos != WINDOW_COPY_REL_POS_ON_SCREEN) {
4493 screen_hide_selection(s);
4494 return (0);
4495 }
4496
4497 /* Set colours and selection. */
4498 style_apply(&gc, oo, "mode-style", NULL);
4499 gc.flags |= GRID_FLAG_NOPALETTE;
4500 screen_set_selection(s, sx, sy, endsx, endsy, data->rectflag,
4501 data->modekeys, &gc);
4502
4503 if (data->rectflag && may_redraw) {
4504 /*
4505 * Can't rely on the caller to redraw the right lines for
4506 * rectangle selection - find the highest line and the number
4507 * of lines, and redraw just past that in both directions
4508 */
4509 cy = data->cy;
4510 if (data->cursordrag == CURSORDRAG_ENDSEL) {
4511 if (sy < cy)
4512 window_copy_redraw_lines(wme, sy, cy - sy + 1);
4513 else
4514 window_copy_redraw_lines(wme, cy, sy - cy + 1);
4515 } else {
4516 if (endsy < cy) {
4517 window_copy_redraw_lines(wme, endsy,
4518 cy - endsy + 1);
4519 } else {
4520 window_copy_redraw_lines(wme, cy,
4521 endsy - cy + 1);
4522 }
4523 }
4524 }
4525
4526 return (1);
4527 }
4528
4529 static void *
4530 window_copy_get_selection(struct window_mode_entry *wme, size_t *len)
4531 {
4532 struct window_pane *wp = wme->wp;
4533 struct window_copy_mode_data *data = wme->data;
4534 struct screen *s = &data->screen;
4535 char *buf;
4536 size_t off;
4537 u_int i, xx, yy, sx, sy, ex, ey, ey_last;
4538 u_int firstsx, lastex, restex, restsx, selx;
4539 int keys;
4540
4541 if (data->screen.sel == NULL && data->lineflag == LINE_SEL_NONE) {
4542 buf = window_copy_match_at_cursor(data);
4543 if (buf != NULL)
4544 *len = strlen(buf);
4545 else
4546 *len = 0;
4547 return (buf);
4548 }
4549
4550 buf = xmalloc(1);
4551 off = 0;
4552
4553 *buf = '\0';
4554
4555 /*
4556 * The selection extends from selx,sely to (adjusted) cx,cy on
4557 * the base screen.
4558 */
4559
4560 /* Find start and end. */
4561 xx = data->endselx;
4562 yy = data->endsely;
4563 if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
4564 sx = xx; sy = yy;
4565 ex = data->selx; ey = data->sely;
4566 } else {
4567 sx = data->selx; sy = data->sely;
4568 ex = xx; ey = yy;
4569 }
4570
4571 /* Trim ex to end of line. */
4572 ey_last = window_copy_find_length(wme, ey);
4573 if (ex > ey_last)
4574 ex = ey_last;
4575
4576 /*
4577 * Deal with rectangle-copy if necessary; four situations: start of
4578 * first line (firstsx), end of last line (lastex), start (restsx) and
4579 * end (restex) of all other lines.
4580 */
4581 xx = screen_size_x(s);
4582
4583 /*
4584 * Behave according to mode-keys. If it is emacs, copy like emacs,
4585 * keeping the top-left-most character, and dropping the
4586 * bottom-right-most, regardless of copy direction. If it is vi, also
4587 * keep bottom-right-most character.
4588 */
4589 keys = options_get_number(wp->window->options, "mode-keys");
4590 if (data->rectflag) {
4591 /*
4592 * Need to ignore the column with the cursor in it, which for
4593 * rectangular copy means knowing which side the cursor is on.
4594 */
4595 if (data->cursordrag == CURSORDRAG_ENDSEL)
4596 selx = data->selx;
4597 else
4598 selx = data->endselx;
4599 if (selx < data->cx) {
4600 /* Selection start is on the left. */
4601 if (keys == MODEKEY_EMACS) {
4602 lastex = data->cx;
4603 restex = data->cx;
4604 }
4605 else {
4606 lastex = data->cx + 1;
4607 restex = data->cx + 1;
4608 }
4609 firstsx = selx;
4610 restsx = selx;
4611 } else {
4612 /* Cursor is on the left. */
4613 lastex = selx + 1;
4614 restex = selx + 1;
4615 firstsx = data->cx;
4616 restsx = data->cx;
4617 }
4618 } else {
4619 if (keys == MODEKEY_EMACS)
4620 lastex = ex;
4621 else
4622 lastex = ex + 1;
4623 restex = xx;
4624 firstsx = sx;
4625 restsx = 0;
4626 }
4627
4628 /* Copy the lines. */
4629 for (i = sy; i <= ey; i++) {
4630 window_copy_copy_line(wme, &buf, &off, i,
4631 (i == sy ? firstsx : restsx),
4632 (i == ey ? lastex : restex));
4633 }
4634
4635 /* Don't bother if no data. */
4636 if (off == 0) {
4637 free(buf);
4638 *len = 0;
4639 return (NULL);
4640 }
4641 /* Remove final \n (unless at end in vi mode). */
4642 if (keys == MODEKEY_EMACS || lastex <= ey_last) {
4643 if (~grid_get_line(data->backing->grid, ey)->flags &
4644 GRID_LINE_WRAPPED || lastex != ey_last)
4645 off -= 1;
4646 }
4647 *len = off;
4648 return (buf);
4649 }
4650
4651 static void
4652 window_copy_copy_buffer(struct window_mode_entry *wme, const char *prefix,
4653 void *buf, size_t len)
4654 {
4655 struct window_pane *wp = wme->wp;
4656 struct screen_write_ctx ctx;
4657
4658 if (options_get_number(global_options, "set-clipboard") != 0) {
4659 screen_write_start_pane(&ctx, wp, NULL);
4660 screen_write_setselection(&ctx, "", buf, len);
4661 screen_write_stop(&ctx);
4662 notify_pane("pane-set-clipboard", wp);
4663 }
4664
4665 paste_add(prefix, buf, len);
4666 }
4667
4668 static void *
4669 window_copy_pipe_run(struct window_mode_entry *wme, struct session *s,
4670 const char *cmd, size_t *len)
4671 {
4672 void *buf;
4673 struct job *job;
4674
4675 buf = window_copy_get_selection(wme, len);
4676 if (cmd == NULL || *cmd == '\0')
4677 cmd = options_get_string(global_options, "copy-command");
4678 if (cmd != NULL && *cmd != '\0') {
4679 job = job_run(cmd, 0, NULL, NULL, s, NULL, NULL, NULL, NULL,
4680 NULL, JOB_NOWAIT, -1, -1);
4681 bufferevent_write(job_get_event(job), buf, *len);
4682 }
4683 return (buf);
4684 }
4685
4686 static void
4687 window_copy_pipe(struct window_mode_entry *wme, struct session *s,
4688 const char *cmd)
4689 {
4690 size_t len;
4691
4692 window_copy_pipe_run(wme, s, cmd, &len);
4693 }
4694
4695 static void
4696 window_copy_copy_pipe(struct window_mode_entry *wme, struct session *s,
4697 const char *prefix, const char *cmd)
4698 {
4699 void *buf;
4700 size_t len;
4701
4702 buf = window_copy_pipe_run(wme, s, cmd, &len);
4703 if (buf != NULL)
4704 window_copy_copy_buffer(wme, prefix, buf, len);
4705 }
4706
4707 static void
4708 window_copy_copy_selection(struct window_mode_entry *wme, const char *prefix)
4709 {
4710 char *buf;
4711 size_t len;
4712
4713 buf = window_copy_get_selection(wme, &len);
4714 if (buf != NULL)
4715 window_copy_copy_buffer(wme, prefix, buf, len);
4716 }
4717
4718 static void
4719 window_copy_append_selection(struct window_mode_entry *wme)
4720 {
4721 struct window_pane *wp = wme->wp;
4722 char *buf;
4723 struct paste_buffer *pb;
4724 const char *bufdata, *bufname = NULL;
4725 size_t len, bufsize;
4726 struct screen_write_ctx ctx;
4727
4728 buf = window_copy_get_selection(wme, &len);
4729 if (buf == NULL)
4730 return;
4731
4732 if (options_get_number(global_options, "set-clipboard") != 0) {
4733 screen_write_start_pane(&ctx, wp, NULL);
4734 screen_write_setselection(&ctx, "", buf, len);
4735 screen_write_stop(&ctx);
4736 notify_pane("pane-set-clipboard", wp);
4737 }
4738
4739 pb = paste_get_top(&bufname);
4740 if (pb != NULL) {
4741 bufdata = paste_buffer_data(pb, &bufsize);
4742 buf = xrealloc(buf, len + bufsize);
4743 memmove(buf + bufsize, buf, len);
4744 memcpy(buf, bufdata, bufsize);
4745 len += bufsize;
4746 }
4747 if (paste_set(buf, len, bufname, NULL) != 0)
4748 free(buf);
4749 }
4750
4751 static void
4752 window_copy_copy_line(struct window_mode_entry *wme, char **buf, size_t *off,
4753 u_int sy, u_int sx, u_int ex)
4754 {
4755 struct window_copy_mode_data *data = wme->data;
4756 struct grid *gd = data->backing->grid;
4757 struct grid_cell gc;
4758 struct grid_line *gl;
4759 struct utf8_data ud;
4760 u_int i, xx, wrapped = 0;
4761 const char *s;
4762
4763 if (sx > ex)
4764 return;
4765
4766 /*
4767 * Work out if the line was wrapped at the screen edge and all of it is
4768 * on screen.
4769 */
4770 gl = grid_get_line(gd, sy);
4771 if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
4772 wrapped = 1;
4773
4774 /* If the line was wrapped, don't strip spaces (use the full length). */
4775 if (wrapped)
4776 xx = gl->cellsize;
4777 else
4778 xx = window_copy_find_length(wme, sy);
4779 if (ex > xx)
4780 ex = xx;
4781 if (sx > xx)
4782 sx = xx;
4783
4784 if (sx < ex) {
4785 for (i = sx; i < ex; i++) {
4786 grid_get_cell(gd, i, sy, &gc);
4787 if (gc.flags & GRID_FLAG_PADDING)
4788 continue;
4789 utf8_copy(&ud, &gc.data);
4790 if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
4791 s = tty_acs_get(NULL, ud.data[0]);
4792 if (s != NULL && strlen(s) <= sizeof ud.data) {
4793 ud.size = strlen(s);
4794 memcpy(ud.data, s, ud.size);
4795 }
4796 }
4797
4798 *buf = xrealloc(*buf, (*off) + ud.size);
4799 memcpy(*buf + *off, ud.data, ud.size);
4800 *off += ud.size;
4801 }
4802 }
4803
4804 /* Only add a newline if the line wasn't wrapped. */
4805 if (!wrapped || ex != xx) {
4806 *buf = xrealloc(*buf, (*off) + 1);
4807 (*buf)[(*off)++] = '\n';
4808 }
4809 }
4810
4811 static void
4812 window_copy_clear_selection(struct window_mode_entry *wme)
4813 {
4814 struct window_copy_mode_data *data = wme->data;
4815 u_int px, py;
4816
4817 screen_clear_selection(&data->screen);
4818
4819 data->cursordrag = CURSORDRAG_NONE;
4820 data->lineflag = LINE_SEL_NONE;
4821 data->selflag = SEL_CHAR;
4822
4823 py = screen_hsize(data->backing) + data->cy - data->oy;
4824 px = window_copy_find_length(wme, py);
4825 if (data->cx > px)
4826 window_copy_update_cursor(wme, px, data->cy);
4827 }
4828
4829 static int
4830 window_copy_in_set(struct window_mode_entry *wme, u_int px, u_int py,
4831 const char *set)
4832 {
4833 struct window_copy_mode_data *data = wme->data;
4834 struct grid_cell gc;
4835
4836 grid_get_cell(data->backing->grid, px, py, &gc);
4837 if (gc.flags & GRID_FLAG_PADDING)
4838 return (0);
4839 return (utf8_cstrhas(set, &gc.data));
4840 }
4841
4842 static u_int
4843 window_copy_find_length(struct window_mode_entry *wme, u_int py)
4844 {
4845 struct window_copy_mode_data *data = wme->data;
4846
4847 return (grid_line_length(data->backing->grid, py));
4848 }
4849
4850 static void
4851 window_copy_cursor_start_of_line(struct window_mode_entry *wme)
4852 {
4853 struct window_copy_mode_data *data = wme->data;
4854 struct screen *back_s = data->backing;
4855 struct grid_reader gr;
4856 u_int px, py, oldy, hsize;
4857
4858 px = data->cx;
4859 hsize = screen_hsize(back_s);
4860 py = hsize + data->cy - data->oy;
4861 oldy = data->cy;
4862
4863 grid_reader_start(&gr, back_s->grid, px, py);
4864 grid_reader_cursor_start_of_line(&gr, 1);
4865 grid_reader_get_cursor(&gr, &px, &py);
4866 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4867 }
4868
4869 static void
4870 window_copy_cursor_back_to_indentation(struct window_mode_entry *wme)
4871 {
4872 struct window_copy_mode_data *data = wme->data;
4873 struct screen *back_s = data->backing;
4874 struct grid_reader gr;
4875 u_int px, py, oldy, hsize;
4876
4877 px = data->cx;
4878 hsize = screen_hsize(back_s);
4879 py = hsize + data->cy - data->oy;
4880 oldy = data->cy;
4881
4882 grid_reader_start(&gr, back_s->grid, px, py);
4883 grid_reader_cursor_back_to_indentation(&gr);
4884 grid_reader_get_cursor(&gr, &px, &py);
4885 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4886 }
4887
4888 static void
4889 window_copy_cursor_end_of_line(struct window_mode_entry *wme)
4890 {
4891 struct window_copy_mode_data *data = wme->data;
4892 struct screen *back_s = data->backing;
4893 struct grid_reader gr;
4894 u_int px, py, oldy, hsize;
4895
4896 px = data->cx;
4897 hsize = screen_hsize(back_s);
4898 py = hsize + data->cy - data->oy;
4899 oldy = data->cy;
4900
4901 grid_reader_start(&gr, back_s->grid, px, py);
4902 if (data->screen.sel != NULL && data->rectflag)
4903 grid_reader_cursor_end_of_line(&gr, 1, 1);
4904 else
4905 grid_reader_cursor_end_of_line(&gr, 1, 0);
4906 grid_reader_get_cursor(&gr, &px, &py);
4907 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
4908 data->oy, oldy, px, py, 0);
4909 }
4910
4911 static void
4912 window_copy_other_end(struct window_mode_entry *wme)
4913 {
4914 struct window_copy_mode_data *data = wme->data;
4915 struct screen *s = &data->screen;
4916 u_int selx, sely, cy, yy, hsize;
4917
4918 if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
4919 return;
4920
4921 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
4922 data->lineflag = LINE_SEL_RIGHT_LEFT;
4923 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
4924 data->lineflag = LINE_SEL_LEFT_RIGHT;
4925
4926 switch (data->cursordrag) {
4927 case CURSORDRAG_NONE:
4928 case CURSORDRAG_SEL:
4929 data->cursordrag = CURSORDRAG_ENDSEL;
4930 break;
4931 case CURSORDRAG_ENDSEL:
4932 data->cursordrag = CURSORDRAG_SEL;
4933 break;
4934 }
4935
4936 selx = data->endselx;
4937 sely = data->endsely;
4938 if (data->cursordrag == CURSORDRAG_SEL) {
4939 selx = data->selx;
4940 sely = data->sely;
4941 }
4942
4943 cy = data->cy;
4944 yy = screen_hsize(data->backing) + data->cy - data->oy;
4945
4946 data->cx = selx;
4947
4948 hsize = screen_hsize(data->backing);
4949 if (sely < hsize - data->oy) { /* above */
4950 data->oy = hsize - sely;
4951 data->cy = 0;
4952 } else if (sely > hsize - data->oy + screen_size_y(s)) { /* below */
4953 data->oy = hsize - sely + screen_size_y(s) - 1;
4954 data->cy = screen_size_y(s) - 1;
4955 } else
4956 data->cy = cy + sely - yy;
4957
4958 window_copy_update_selection(wme, 1, 1);
4959 window_copy_redraw_screen(wme);
4960 }
4961
4962 static void
4963 window_copy_cursor_left(struct window_mode_entry *wme)
4964 {
4965 struct window_copy_mode_data *data = wme->data;
4966 struct screen *back_s = data->backing;
4967 struct grid_reader gr;
4968 u_int px, py, oldy, hsize;
4969
4970 px = data->cx;
4971 hsize = screen_hsize(back_s);
4972 py = hsize + data->cy - data->oy;
4973 oldy = data->cy;
4974
4975 grid_reader_start(&gr, back_s->grid, px, py);
4976 grid_reader_cursor_left(&gr, 1);
4977 grid_reader_get_cursor(&gr, &px, &py);
4978 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4979 }
4980
4981 static void
4982 window_copy_cursor_right(struct window_mode_entry *wme, int all)
4983 {
4984 struct window_copy_mode_data *data = wme->data;
4985 struct screen *back_s = data->backing;
4986 struct grid_reader gr;
4987 u_int px, py, oldy, hsize;
4988
4989 px = data->cx;
4990 hsize = screen_hsize(back_s);
4991 py = hsize + data->cy - data->oy;
4992 oldy = data->cy;
4993
4994 grid_reader_start(&gr, back_s->grid, px, py);
4995 grid_reader_cursor_right(&gr, 1, all);
4996 grid_reader_get_cursor(&gr, &px, &py);
4997 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
4998 data->oy, oldy, px, py, 0);
4999 }
5000
5001 static void
5002 window_copy_cursor_up(struct window_mode_entry *wme, int scroll_only)
5003 {
5004 struct window_copy_mode_data *data = wme->data;
5005 struct screen *s = &data->screen;
5006 u_int ox, oy, px, py;
5007 int norectsel;
5008
5009 norectsel = data->screen.sel == NULL || !data->rectflag;
5010 oy = screen_hsize(data->backing) + data->cy - data->oy;
5011 ox = window_copy_find_length(wme, oy);
5012 if (norectsel && data->cx != ox) {
5013 data->lastcx = data->cx;
5014 data->lastsx = ox;
5015 }
5016
5017 if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
5018 window_copy_other_end(wme);
5019
5020 if (scroll_only || data->cy == 0) {
5021 if (norectsel)
5022 data->cx = data->lastcx;
5023 window_copy_scroll_down(wme, 1);
5024 if (scroll_only) {
5025 if (data->cy == screen_size_y(s) - 1)
5026 window_copy_redraw_lines(wme, data->cy, 1);
5027 else
5028 window_copy_redraw_lines(wme, data->cy, 2);
5029 }
5030 } else {
5031 if (norectsel) {
5032 window_copy_update_cursor(wme, data->lastcx,
5033 data->cy - 1);
5034 } else
5035 window_copy_update_cursor(wme, data->cx, data->cy - 1);
5036 if (window_copy_update_selection(wme, 1, 0)) {
5037 if (data->cy == screen_size_y(s) - 1)
5038 window_copy_redraw_lines(wme, data->cy, 1);
5039 else
5040 window_copy_redraw_lines(wme, data->cy, 2);
5041 }
5042 }
5043
5044 if (norectsel) {
5045 py = screen_hsize(data->backing) + data->cy - data->oy;
5046 px = window_copy_find_length(wme, py);
5047 if ((data->cx >= data->lastsx && data->cx != px) ||
5048 data->cx > px)
5049 {
5050 window_copy_update_cursor(wme, px, data->cy);
5051 if (window_copy_update_selection(wme, 1, 0))
5052 window_copy_redraw_lines(wme, data->cy, 1);
5053 }
5054 }
5055
5056 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
5057 {
5058 py = screen_hsize(data->backing) + data->cy - data->oy;
5059 if (data->rectflag)
5060 px = screen_size_x(data->backing);
5061 else
5062 px = window_copy_find_length(wme, py);
5063 window_copy_update_cursor(wme, px, data->cy);
5064 if (window_copy_update_selection(wme, 1, 0))
5065 window_copy_redraw_lines(wme, data->cy, 1);
5066 }
5067 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
5068 {
5069 window_copy_update_cursor(wme, 0, data->cy);
5070 if (window_copy_update_selection(wme, 1, 0))
5071 window_copy_redraw_lines(wme, data->cy, 1);
5072 }
5073 }
5074
5075 static void
5076 window_copy_cursor_down(struct window_mode_entry *wme, int scroll_only)
5077 {
5078 struct window_copy_mode_data *data = wme->data;
5079 struct screen *s = &data->screen;
5080 u_int ox, oy, px, py;
5081 int norectsel;
5082
5083 norectsel = data->screen.sel == NULL || !data->rectflag;
5084 oy = screen_hsize(data->backing) + data->cy - data->oy;
5085 ox = window_copy_find_length(wme, oy);
5086 if (norectsel && data->cx != ox) {
5087 data->lastcx = data->cx;
5088 data->lastsx = ox;
5089 }
5090
5091 if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
5092 window_copy_other_end(wme);
5093
5094 if (scroll_only || data->cy == screen_size_y(s) - 1) {
5095 if (norectsel)
5096 data->cx = data->lastcx;
5097 window_copy_scroll_up(wme, 1);
5098 if (scroll_only && data->cy > 0)
5099 window_copy_redraw_lines(wme, data->cy - 1, 2);
5100 } else {
5101 if (norectsel) {
5102 window_copy_update_cursor(wme, data->lastcx,
5103 data->cy + 1);
5104 } else
5105 window_copy_update_cursor(wme, data->cx, data->cy + 1);
5106 if (window_copy_update_selection(wme, 1, 0))
5107 window_copy_redraw_lines(wme, data->cy - 1, 2);
5108 }
5109
5110 if (norectsel) {
5111 py = screen_hsize(data->backing) + data->cy - data->oy;
5112 px = window_copy_find_length(wme, py);
5113 if ((data->cx >= data->lastsx && data->cx != px) ||
5114 data->cx > px)
5115 {
5116 window_copy_update_cursor(wme, px, data->cy);
5117 if (window_copy_update_selection(wme, 1, 0))
5118 window_copy_redraw_lines(wme, data->cy, 1);
5119 }
5120 }
5121
5122 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
5123 {
5124 py = screen_hsize(data->backing) + data->cy - data->oy;
5125 if (data->rectflag)
5126 px = screen_size_x(data->backing);
5127 else
5128 px = window_copy_find_length(wme, py);
5129 window_copy_update_cursor(wme, px, data->cy);
5130 if (window_copy_update_selection(wme, 1, 0))
5131 window_copy_redraw_lines(wme, data->cy, 1);
5132 }
5133 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
5134 {
5135 window_copy_update_cursor(wme, 0, data->cy);
5136 if (window_copy_update_selection(wme, 1, 0))
5137 window_copy_redraw_lines(wme, data->cy, 1);
5138 }
5139 }
5140
5141 static void
5142 window_copy_cursor_jump(struct window_mode_entry *wme)
5143 {
5144 struct window_copy_mode_data *data = wme->data;
5145 struct screen *back_s = data->backing;
5146 struct grid_reader gr;
5147 u_int px, py, oldy, hsize;
5148
5149 px = data->cx + 1;
5150 hsize = screen_hsize(back_s);
5151 py = hsize + data->cy - data->oy;
5152 oldy = data->cy;
5153
5154 grid_reader_start(&gr, back_s->grid, px, py);
5155 if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
5156 grid_reader_get_cursor(&gr, &px, &py);
5157 window_copy_acquire_cursor_down(wme, hsize,
5158 screen_size_y(back_s), data->oy, oldy, px, py, 0);
5159 }
5160 }
5161
5162 static void
5163 window_copy_cursor_jump_back(struct window_mode_entry *wme)
5164 {
5165 struct window_copy_mode_data *data = wme->data;
5166 struct screen *back_s = data->backing;
5167 struct grid_reader gr;
5168 u_int px, py, oldy, hsize;
5169
5170 px = data->cx;
5171 hsize = screen_hsize(back_s);
5172 py = hsize + data->cy - data->oy;
5173 oldy = data->cy;
5174
5175 grid_reader_start(&gr, back_s->grid, px, py);
5176 grid_reader_cursor_left(&gr, 0);
5177 if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
5178 grid_reader_get_cursor(&gr, &px, &py);
5179 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
5180 py);
5181 }
5182 }
5183
5184 static void
5185 window_copy_cursor_jump_to(struct window_mode_entry *wme)
5186 {
5187 struct window_copy_mode_data *data = wme->data;
5188 struct screen *back_s = data->backing;
5189 struct grid_reader gr;
5190 u_int px, py, oldy, hsize;
5191
5192 px = data->cx + 2;
5193 hsize = screen_hsize(back_s);
5194 py = hsize + data->cy - data->oy;
5195 oldy = data->cy;
5196
5197 grid_reader_start(&gr, back_s->grid, px, py);
5198 if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
5199 grid_reader_cursor_left(&gr, 1);
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_to_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 grid_reader_cursor_left(&gr, 0);
5222 if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
5223 grid_reader_cursor_right(&gr, 1, 0);
5224 grid_reader_get_cursor(&gr, &px, &py);
5225 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
5226 py);
5227 }
5228 }
5229
5230 static void
5231 window_copy_cursor_next_word(struct window_mode_entry *wme,
5232 const char *separators)
5233 {
5234 struct window_copy_mode_data *data = wme->data;
5235 struct screen *back_s = data->backing;
5236 struct grid_reader gr;
5237 u_int px, py, oldy, hsize;
5238
5239 px = data->cx;
5240 hsize = screen_hsize(back_s);
5241 py = hsize + data->cy - data->oy;
5242 oldy = data->cy;
5243
5244 grid_reader_start(&gr, back_s->grid, px, py);
5245 grid_reader_cursor_next_word(&gr, separators);
5246 grid_reader_get_cursor(&gr, &px, &py);
5247 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5248 data->oy, oldy, px, py, 0);
5249 }
5250
5251 /* Compute the next place where a word ends. */
5252 static void
5253 window_copy_cursor_next_word_end_pos(struct window_mode_entry *wme,
5254 const char *separators, u_int *ppx, u_int *ppy)
5255 {
5256 struct window_pane *wp = wme->wp;
5257 struct window_copy_mode_data *data = wme->data;
5258 struct options *oo = wp->window->options;
5259 struct screen *back_s = data->backing;
5260 struct grid_reader gr;
5261 u_int px, py, hsize;
5262
5263 px = data->cx;
5264 hsize = screen_hsize(back_s);
5265 py = hsize + data->cy - data->oy;
5266
5267 grid_reader_start(&gr, back_s->grid, px, py);
5268 if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
5269 if (!grid_reader_in_set(&gr, WHITESPACE))
5270 grid_reader_cursor_right(&gr, 0, 0);
5271 grid_reader_cursor_next_word_end(&gr, separators);
5272 grid_reader_cursor_left(&gr, 1);
5273 } else
5274 grid_reader_cursor_next_word_end(&gr, separators);
5275 grid_reader_get_cursor(&gr, &px, &py);
5276 *ppx = px;
5277 *ppy = py;
5278 }
5279
5280 /* Move to the next place where a word ends. */
5281 static void
5282 window_copy_cursor_next_word_end(struct window_mode_entry *wme,
5283 const char *separators, int no_reset)
5284 {
5285 struct window_pane *wp = wme->wp;
5286 struct window_copy_mode_data *data = wme->data;
5287 struct options *oo = wp->window->options;
5288 struct screen *back_s = data->backing;
5289 struct grid_reader gr;
5290 u_int px, py, oldy, hsize;
5291
5292 px = data->cx;
5293 hsize = screen_hsize(back_s);
5294 py = hsize + data->cy - data->oy;
5295 oldy = data->cy;
5296
5297 grid_reader_start(&gr, back_s->grid, px, py);
5298 if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
5299 if (!grid_reader_in_set(&gr, WHITESPACE))
5300 grid_reader_cursor_right(&gr, 0, 0);
5301 grid_reader_cursor_next_word_end(&gr, separators);
5302 grid_reader_cursor_left(&gr, 1);
5303 } else
5304 grid_reader_cursor_next_word_end(&gr, separators);
5305 grid_reader_get_cursor(&gr, &px, &py);
5306 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5307 data->oy, oldy, px, py, no_reset);
5308 }
5309
5310 /* Compute the previous place where a word begins. */
5311 static void
5312 window_copy_cursor_previous_word_pos(struct window_mode_entry *wme,
5313 const char *separators, u_int *ppx, u_int *ppy)
5314 {
5315 struct window_copy_mode_data *data = wme->data;
5316 struct screen *back_s = data->backing;
5317 struct grid_reader gr;
5318 u_int px, py, hsize;
5319
5320 px = data->cx;
5321 hsize = screen_hsize(back_s);
5322 py = hsize + data->cy - data->oy;
5323
5324 grid_reader_start(&gr, back_s->grid, px, py);
5325 grid_reader_cursor_previous_word(&gr, separators, /* already= */ 0,
5326 /* stop_at_eol= */ 1);
5327 grid_reader_get_cursor(&gr, &px, &py);
5328 *ppx = px;
5329 *ppy = py;
5330 }
5331
5332 /* Move to the previous place where a word begins. */
5333 static void
5334 window_copy_cursor_previous_word(struct window_mode_entry *wme,
5335 const char *separators, int already)
5336 {
5337 struct window_copy_mode_data *data = wme->data;
5338 struct window *w = wme->wp->window;
5339 struct screen *back_s = data->backing;
5340 struct grid_reader gr;
5341 u_int px, py, oldy, hsize;
5342 int stop_at_eol;
5343
5344 if (options_get_number(w->options, "mode-keys") == MODEKEY_EMACS)
5345 stop_at_eol = 1;
5346 else
5347 stop_at_eol = 0;
5348
5349 px = data->cx;
5350 hsize = screen_hsize(back_s);
5351 py = hsize + data->cy - data->oy;
5352 oldy = data->cy;
5353
5354 grid_reader_start(&gr, back_s->grid, px, py);
5355 grid_reader_cursor_previous_word(&gr, separators, already, stop_at_eol);
5356 grid_reader_get_cursor(&gr, &px, &py);
5357 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
5358 }
5359
5360 static void
5361 window_copy_scroll_up(struct window_mode_entry *wme, u_int ny)
5362 {
5363 struct window_pane *wp = wme->wp;
5364 struct window_copy_mode_data *data = wme->data;
5365 struct screen *s = &data->screen;
5366 struct screen_write_ctx ctx;
5367
5368 if (data->oy < ny)
5369 ny = data->oy;
5370 if (ny == 0)
5371 return;
5372 data->oy -= ny;
5373
5374 if (data->searchmark != NULL && !data->timeout)
5375 window_copy_search_marks(wme, NULL, data->searchregex, 1);
5376 window_copy_update_selection(wme, 0, 0);
5377
5378 screen_write_start_pane(&ctx, wp, NULL);
5379 screen_write_cursormove(&ctx, 0, 0, 0);
5380 screen_write_deleteline(&ctx, ny, 8);
5381 window_copy_write_lines(wme, &ctx, screen_size_y(s) - ny, ny);
5382 window_copy_write_line(wme, &ctx, 0);
5383 if (screen_size_y(s) > 1)
5384 window_copy_write_line(wme, &ctx, 1);
5385 if (screen_size_y(s) > 3)
5386 window_copy_write_line(wme, &ctx, screen_size_y(s) - 2);
5387 if (s->sel != NULL && screen_size_y(s) > ny)
5388 window_copy_write_line(wme, &ctx, screen_size_y(s) - ny - 1);
5389 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
5390 screen_write_stop(&ctx);
5391 }
5392
5393 static void
5394 window_copy_scroll_down(struct window_mode_entry *wme, u_int ny)
5395 {
5396 struct window_pane *wp = wme->wp;
5397 struct window_copy_mode_data *data = wme->data;
5398 struct screen *s = &data->screen;
5399 struct screen_write_ctx ctx;
5400
5401 if (ny > screen_hsize(data->backing))
5402 return;
5403
5404 if (data->oy > screen_hsize(data->backing) - ny)
5405 ny = screen_hsize(data->backing) - data->oy;
5406 if (ny == 0)
5407 return;
5408 data->oy += ny;
5409
5410 if (data->searchmark != NULL && !data->timeout)
5411 window_copy_search_marks(wme, NULL, data->searchregex, 1);
5412 window_copy_update_selection(wme, 0, 0);
5413
5414 screen_write_start_pane(&ctx, wp, NULL);
5415 screen_write_cursormove(&ctx, 0, 0, 0);
5416 screen_write_insertline(&ctx, ny, 8);
5417 window_copy_write_lines(wme, &ctx, 0, ny);
5418 if (s->sel != NULL && screen_size_y(s) > ny)
5419 window_copy_write_line(wme, &ctx, ny);
5420 else if (ny == 1) /* nuke position */
5421 window_copy_write_line(wme, &ctx, 1);
5422 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
5423 screen_write_stop(&ctx);
5424 }
5425
5426 static void
5427 window_copy_rectangle_set(struct window_mode_entry *wme, int rectflag)
5428 {
5429 struct window_copy_mode_data *data = wme->data;
5430 u_int px, py;
5431
5432 data->rectflag = rectflag;
5433
5434 py = screen_hsize(data->backing) + data->cy - data->oy;
5435 px = window_copy_find_length(wme, py);
5436 if (data->cx > px)
5437 window_copy_update_cursor(wme, px, data->cy);
5438
5439 window_copy_update_selection(wme, 1, 0);
5440 window_copy_redraw_screen(wme);
5441 }
5442
5443 static void
5444 window_copy_move_mouse(struct mouse_event *m)
5445 {
5446 struct window_pane *wp;
5447 struct window_mode_entry *wme;
5448 u_int x, y;
5449
5450 wp = cmd_mouse_pane(m, NULL, NULL);
5451 if (wp == NULL)
5452 return;
5453 wme = TAILQ_FIRST(&wp->modes);
5454 if (wme == NULL)
5455 return;
5456 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5457 return;
5458
5459 if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
5460 return;
5461
5462 window_copy_update_cursor(wme, x, y);
5463 }
5464
5465 void
5466 window_copy_start_drag(struct client *c, struct mouse_event *m)
5467 {
5468 struct window_pane *wp;
5469 struct window_mode_entry *wme;
5470 struct window_copy_mode_data *data;
5471 u_int x, y, yg;
5472
5473 if (c == NULL)
5474 return;
5475
5476 wp = cmd_mouse_pane(m, NULL, NULL);
5477 if (wp == NULL)
5478 return;
5479 wme = TAILQ_FIRST(&wp->modes);
5480 if (wme == NULL)
5481 return;
5482 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5483 return;
5484
5485 if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
5486 return;
5487
5488 c->tty.mouse_drag_update = window_copy_drag_update;
5489 c->tty.mouse_drag_release = window_copy_drag_release;
5490
5491 data = wme->data;
5492 yg = screen_hsize(data->backing) + y - data->oy;
5493 if (x < data->selrx || x > data->endselrx || yg != data->selry)
5494 data->selflag = SEL_CHAR;
5495 switch (data->selflag) {
5496 case SEL_WORD:
5497 if (data->separators != NULL) {
5498 window_copy_update_cursor(wme, x, y);
5499 window_copy_cursor_previous_word_pos(wme,
5500 data->separators, &x, &y);
5501 y -= screen_hsize(data->backing) - data->oy;
5502 }
5503 window_copy_update_cursor(wme, x, y);
5504 break;
5505 case SEL_LINE:
5506 window_copy_update_cursor(wme, 0, y);
5507 break;
5508 case SEL_CHAR:
5509 window_copy_update_cursor(wme, x, y);
5510 window_copy_start_selection(wme);
5511 break;
5512 }
5513
5514 window_copy_redraw_screen(wme);
5515 window_copy_drag_update(c, m);
5516 }
5517
5518 static void
5519 window_copy_drag_update(struct client *c, struct mouse_event *m)
5520 {
5521 struct window_pane *wp;
5522 struct window_mode_entry *wme;
5523 struct window_copy_mode_data *data;
5524 u_int x, y, old_cx, old_cy;
5525 struct timeval tv = {
5526 .tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
5527 };
5528
5529 if (c == NULL)
5530 return;
5531
5532 wp = cmd_mouse_pane(m, NULL, NULL);
5533 if (wp == NULL)
5534 return;
5535 wme = TAILQ_FIRST(&wp->modes);
5536 if (wme == NULL)
5537 return;
5538 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5539 return;
5540
5541 data = wme->data;
5542 evtimer_del(&data->dragtimer);
5543
5544 if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
5545 return;
5546 old_cx = data->cx;
5547 old_cy = data->cy;
5548
5549 window_copy_update_cursor(wme, x, y);
5550 if (window_copy_update_selection(wme, 1, 0))
5551 window_copy_redraw_selection(wme, old_cy);
5552 if (old_cy != data->cy || old_cx == data->cx) {
5553 if (y == 0) {
5554 evtimer_add(&data->dragtimer, &tv);
5555 window_copy_cursor_up(wme, 1);
5556 } else if (y == screen_size_y(&data->screen) - 1) {
5557 evtimer_add(&data->dragtimer, &tv);
5558 window_copy_cursor_down(wme, 1);
5559 }
5560 }
5561 }
5562
5563 static void
5564 window_copy_drag_release(struct client *c, struct mouse_event *m)
5565 {
5566 struct window_pane *wp;
5567 struct window_mode_entry *wme;
5568 struct window_copy_mode_data *data;
5569
5570 if (c == NULL)
5571 return;
5572
5573 wp = cmd_mouse_pane(m, NULL, NULL);
5574 if (wp == NULL)
5575 return;
5576 wme = TAILQ_FIRST(&wp->modes);
5577 if (wme == NULL)
5578 return;
5579 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5580 return;
5581
5582 data = wme->data;
5583 evtimer_del(&data->dragtimer);
5584 }
5585
5586 static void
5587 window_copy_jump_to_mark(struct window_mode_entry *wme)
5588 {
5589 struct window_copy_mode_data *data = wme->data;
5590 u_int tmx, tmy;
5591
5592 tmx = data->cx;
5593 tmy = screen_hsize(data->backing) + data->cy - data->oy;
5594 data->cx = data->mx;
5595 if (data->my < screen_hsize(data->backing)) {
5596 data->cy = 0;
5597 data->oy = screen_hsize(data->backing) - data->my;
5598 } else {
5599 data->cy = data->my - screen_hsize(data->backing);
5600 data->oy = 0;
5601 }
5602 data->mx = tmx;
5603 data->my = tmy;
5604 data->showmark = 1;
5605 window_copy_update_selection(wme, 0, 0);
5606 window_copy_redraw_screen(wme);
5607 }
5608
5609 /* Scroll up if the cursor went off the visible screen. */
5610 static void
5611 window_copy_acquire_cursor_up(struct window_mode_entry *wme, u_int hsize,
5612 u_int oy, u_int oldy, u_int px, u_int py)
5613 {
5614 u_int cy, yy, ny, nd;
5615
5616 yy = hsize - oy;
5617 if (py < yy) {
5618 ny = yy - py;
5619 cy = 0;
5620 nd = 1;
5621 } else {
5622 ny = 0;
5623 cy = py - yy;
5624 nd = oldy - cy + 1;
5625 }
5626 while (ny > 0) {
5627 window_copy_cursor_up(wme, 1);
5628 ny--;
5629 }
5630 window_copy_update_cursor(wme, px, cy);
5631 if (window_copy_update_selection(wme, 1, 0))
5632 window_copy_redraw_lines(wme, cy, nd);
5633 }
5634
5635 /* Scroll down if the cursor went off the visible screen. */
5636 static void
5637 window_copy_acquire_cursor_down(struct window_mode_entry *wme, u_int hsize,
5638 u_int sy, u_int oy, u_int oldy, u_int px, u_int py, int no_reset)
5639 {
5640 u_int cy, yy, ny, nd;
5641
5642 cy = py - hsize + oy;
5643 yy = sy - 1;
5644 if (cy > yy) {
5645 ny = cy - yy;
5646 oldy = yy;
5647 nd = 1;
5648 } else {
5649 ny = 0;
5650 nd = cy - oldy + 1;
5651 }
5652 while (ny > 0) {
5653 window_copy_cursor_down(wme, 1);
5654 ny--;
5655 }
5656 if (cy > yy)
5657 window_copy_update_cursor(wme, px, yy);
5658 else
5659 window_copy_update_cursor(wme, px, cy);
5660 if (window_copy_update_selection(wme, 1, no_reset))
5661 window_copy_redraw_lines(wme, oldy, nd);
5662 }