1 /* $OpenBSD: window-copy.c,v 1.350 2024/05/14 09:32:37 nicm Exp $ */
2
3 /*
4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <sys/types.h>
20
21 #include <ctype.h>
22 #include <regex.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <time.h>
26
27 #include "tmux.h"
28
29 struct window_copy_mode_data;
30
31 static const char *window_copy_key_table(struct window_mode_entry *);
32 static void window_copy_command(struct window_mode_entry *, struct client *,
33 struct session *, struct winlink *, struct args *,
34 struct mouse_event *);
35 static struct screen *window_copy_init(struct window_mode_entry *,
36 struct cmd_find_state *, struct args *);
37 static struct screen *window_copy_view_init(struct window_mode_entry *,
38 struct cmd_find_state *, struct args *);
39 static void window_copy_free(struct window_mode_entry *);
40 static void window_copy_resize(struct window_mode_entry *, u_int, u_int);
41 static void window_copy_formats(struct window_mode_entry *,
42 struct format_tree *);
43 static void window_copy_pageup1(struct window_mode_entry *, int);
44 static int window_copy_pagedown(struct window_mode_entry *, int, int);
45 static void window_copy_next_paragraph(struct window_mode_entry *);
46 static void window_copy_previous_paragraph(struct window_mode_entry *);
47 static void window_copy_redraw_selection(struct window_mode_entry *, u_int);
48 static void window_copy_redraw_lines(struct window_mode_entry *, u_int,
49 u_int);
50 static void window_copy_redraw_screen(struct window_mode_entry *);
51 static void window_copy_write_line(struct window_mode_entry *,
52 struct screen_write_ctx *, u_int);
53 static void window_copy_write_lines(struct window_mode_entry *,
54 struct screen_write_ctx *, u_int, u_int);
55 static char *window_copy_match_at_cursor(struct window_copy_mode_data *);
56 static void window_copy_scroll_to(struct window_mode_entry *, u_int, u_int,
57 int);
58 static int window_copy_search_compare(struct grid *, u_int, u_int,
59 struct grid *, u_int, int);
60 static int window_copy_search_lr(struct grid *, struct grid *, u_int *,
61 u_int, u_int, u_int, int);
62 static int window_copy_search_rl(struct grid *, struct grid *, u_int *,
63 u_int, u_int, u_int, int);
64 static int window_copy_last_regex(struct grid *, u_int, u_int, u_int,
65 u_int, u_int *, u_int *, const char *, const regex_t *,
66 int);
67 static int window_copy_search_mark_at(struct window_copy_mode_data *,
68 u_int, u_int, u_int *);
69 static char *window_copy_stringify(struct grid *, u_int, u_int, u_int,
70 char *, u_int *);
71 static void window_copy_cstrtocellpos(struct grid *, u_int, u_int *,
72 u_int *, const char *);
73 static int window_copy_search_marks(struct window_mode_entry *,
74 struct screen *, int, int);
75 static void window_copy_clear_marks(struct window_mode_entry *);
76 static int window_copy_is_lowercase(const char *);
77 static void window_copy_search_back_overlap(struct grid *, regex_t *,
78 u_int *, u_int *, u_int *, u_int);
79 static int window_copy_search_jump(struct window_mode_entry *,
80 struct grid *, struct grid *, u_int, u_int, u_int, int, int,
81 int, int);
82 static int window_copy_search(struct window_mode_entry *, int, int);
83 static int window_copy_search_up(struct window_mode_entry *, int);
84 static int window_copy_search_down(struct window_mode_entry *, int);
85 static void window_copy_goto_line(struct window_mode_entry *, const char *);
86 static void window_copy_update_cursor(struct window_mode_entry *, u_int,
87 u_int);
88 static void window_copy_start_selection(struct window_mode_entry *);
89 static int window_copy_adjust_selection(struct window_mode_entry *,
90 u_int *, u_int *);
91 static int window_copy_set_selection(struct window_mode_entry *, int, int);
92 static int window_copy_update_selection(struct window_mode_entry *, int,
93 int);
94 static void window_copy_synchronize_cursor(struct window_mode_entry *, int);
95 static void *window_copy_get_selection(struct window_mode_entry *, size_t *);
96 static void window_copy_copy_buffer(struct window_mode_entry *,
97 const char *, void *, size_t);
98 static void window_copy_pipe(struct window_mode_entry *,
99 struct session *, const char *);
100 static void window_copy_copy_pipe(struct window_mode_entry *,
101 struct session *, const char *, const char *);
102 static void window_copy_copy_selection(struct window_mode_entry *,
103 const char *);
104 static void window_copy_append_selection(struct window_mode_entry *);
105 static void window_copy_clear_selection(struct window_mode_entry *);
106 static void window_copy_copy_line(struct window_mode_entry *, char **,
107 size_t *, u_int, u_int, u_int);
108 static int window_copy_in_set(struct window_mode_entry *, u_int, u_int,
109 const char *);
110 static u_int window_copy_find_length(struct window_mode_entry *, u_int);
111 static void window_copy_cursor_start_of_line(struct window_mode_entry *);
112 static void window_copy_cursor_back_to_indentation(
113 struct window_mode_entry *);
114 static void window_copy_cursor_end_of_line(struct window_mode_entry *);
115 static void window_copy_other_end(struct window_mode_entry *);
116 static void window_copy_cursor_left(struct window_mode_entry *);
117 static void window_copy_cursor_right(struct window_mode_entry *, int);
118 static void window_copy_cursor_up(struct window_mode_entry *, int);
119 static void window_copy_cursor_down(struct window_mode_entry *, int);
120 static void window_copy_cursor_jump(struct window_mode_entry *);
121 static void window_copy_cursor_jump_back(struct window_mode_entry *);
122 static void window_copy_cursor_jump_to(struct window_mode_entry *);
123 static void window_copy_cursor_jump_to_back(struct window_mode_entry *);
124 static void window_copy_cursor_next_word(struct window_mode_entry *,
125 const char *);
126 static void window_copy_cursor_next_word_end_pos(struct window_mode_entry *,
127 const char *, u_int *, u_int *);
128 static void window_copy_cursor_next_word_end(struct window_mode_entry *,
129 const char *, int);
130 static void window_copy_cursor_previous_word_pos(struct window_mode_entry *,
131 const char *, u_int *, u_int *);
132 static void window_copy_cursor_previous_word(struct window_mode_entry *,
133 const char *, int);
134 static void window_copy_cursor_prompt(struct window_mode_entry *, int,
135 const char *);
136 static void window_copy_scroll_up(struct window_mode_entry *, u_int);
137 static void window_copy_scroll_down(struct window_mode_entry *, u_int);
138 static void window_copy_rectangle_set(struct window_mode_entry *, int);
139 static void window_copy_move_mouse(struct mouse_event *);
140 static void window_copy_drag_update(struct client *, struct mouse_event *);
141 static void window_copy_drag_release(struct client *, struct mouse_event *);
142 static void window_copy_jump_to_mark(struct window_mode_entry *);
143 static void window_copy_acquire_cursor_up(struct window_mode_entry *,
144 u_int, u_int, u_int, u_int, u_int);
145 static void window_copy_acquire_cursor_down(struct window_mode_entry *,
146 u_int, u_int, u_int, u_int, u_int, u_int, int);
147
148 const struct window_mode window_copy_mode = {
149 .name = "copy-mode",
150
151 .init = window_copy_init,
152 .free = window_copy_free,
153 .resize = window_copy_resize,
154 .key_table = window_copy_key_table,
155 .command = window_copy_command,
156 .formats = window_copy_formats,
157 };
158
159 const struct window_mode window_view_mode = {
160 .name = "view-mode",
161
162 .init = window_copy_view_init,
163 .free = window_copy_free,
164 .resize = window_copy_resize,
165 .key_table = window_copy_key_table,
166 .command = window_copy_command,
167 .formats = window_copy_formats,
168 };
169
170 enum {
171 WINDOW_COPY_OFF,
172 WINDOW_COPY_SEARCHUP,
173 WINDOW_COPY_SEARCHDOWN,
174 WINDOW_COPY_JUMPFORWARD,
175 WINDOW_COPY_JUMPBACKWARD,
176 WINDOW_COPY_JUMPTOFORWARD,
177 WINDOW_COPY_JUMPTOBACKWARD,
178 };
179
180 enum {
181 WINDOW_COPY_REL_POS_ABOVE,
182 WINDOW_COPY_REL_POS_ON_SCREEN,
183 WINDOW_COPY_REL_POS_BELOW,
184 };
185
186 enum window_copy_cmd_action {
187 WINDOW_COPY_CMD_NOTHING,
188 WINDOW_COPY_CMD_REDRAW,
189 WINDOW_COPY_CMD_CANCEL,
190 };
191
192 enum window_copy_cmd_clear {
193 WINDOW_COPY_CMD_CLEAR_ALWAYS,
194 WINDOW_COPY_CMD_CLEAR_NEVER,
195 WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
196 };
197
198 struct window_copy_cmd_state {
199 struct window_mode_entry *wme;
200 struct args *args;
201 struct mouse_event *m;
202
203 struct client *c;
204 struct session *s;
205 struct winlink *wl;
206 };
207
208 /*
209 * Copy mode's visible screen (the "screen" field) is filled from one of two
210 * sources: the original contents of the pane (used when we actually enter via
211 * the "copy-mode" command, to copy the contents of the current pane), or else
212 * a series of lines containing the output from an output-writing tmux command
213 * (such as any of the "show-*" or "list-*" commands).
214 *
215 * In either case, the full content of the copy-mode grid is pointed at by the
216 * "backing" field, and is copied into "screen" as needed (that is, when
217 * scrolling occurs). When copy-mode is backed by a pane, backing points
218 * directly at that pane's screen structure (&wp->base); when backed by a list
219 * of output-lines from a command, it points at a newly-allocated screen
220 * structure (which is deallocated when the mode ends).
221 */
222 struct window_copy_mode_data {
223 struct screen screen;
224
225 struct screen *backing;
226 int backing_written; /* backing display started */
227 struct screen *writing;
228 struct input_ctx *ictx;
229
230 int viewmode; /* view mode entered */
231
232 u_int oy; /* number of lines scrolled up */
233
234 u_int selx; /* beginning of selection */
235 u_int sely;
236
237 u_int endselx; /* end of selection */
238 u_int endsely;
239
240 enum {
241 CURSORDRAG_NONE, /* selection is independent of cursor */
242 CURSORDRAG_ENDSEL, /* end is synchronized with cursor */
243 CURSORDRAG_SEL, /* start is synchronized with cursor */
244 } cursordrag;
245
246 int modekeys;
247 enum {
248 LINE_SEL_NONE,
249 LINE_SEL_LEFT_RIGHT,
250 LINE_SEL_RIGHT_LEFT,
251 } lineflag; /* line selection mode */
252 int rectflag; /* in rectangle copy mode? */
253 int scroll_exit; /* exit on scroll to end? */
254 int hide_position; /* hide position marker */
255
256 enum {
257 SEL_CHAR, /* select one char at a time */
258 SEL_WORD, /* select one word at a time */
259 SEL_LINE, /* select one line at a time */
260 } selflag;
261
262 const char *separators; /* word separators */
263
264 u_int dx; /* drag start position */
265 u_int dy;
266
267 u_int selrx; /* selection reset positions */
268 u_int selry;
269 u_int endselrx;
270 u_int endselry;
271
272 u_int cx;
273 u_int cy;
274
275 u_int lastcx; /* position in last line w/ content */
276 u_int lastsx; /* size of last line w/ content */
277
278 u_int mx; /* mark position */
279 u_int my;
280 int showmark;
281
282 int searchtype;
283 int searchdirection;
284 int searchregex;
285 char *searchstr;
286 u_char *searchmark;
287 int searchcount;
288 int searchmore;
289 int searchall;
290 int searchx;
291 int searchy;
292 int searcho;
293 u_char searchgen;
294
295 int timeout; /* search has timed out */
296 #define WINDOW_COPY_SEARCH_TIMEOUT 10000
297 #define WINDOW_COPY_SEARCH_ALL_TIMEOUT 200
298 #define WINDOW_COPY_SEARCH_MAX_LINE 2000
299
300 int jumptype;
301 struct utf8_data *jumpchar;
302
303 struct event dragtimer;
304 #define WINDOW_COPY_DRAG_REPEAT_TIME 50000
305 };
306
307 static void
window_copy_scroll_timer(__unused int fd,__unused short events,void * arg)308 window_copy_scroll_timer(__unused int fd, __unused short events, void *arg)
309 {
310 struct window_mode_entry *wme = arg;
311 struct window_pane *wp = wme->wp;
312 struct window_copy_mode_data *data = wme->data;
313 struct timeval tv = {
314 .tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
315 };
316
317 evtimer_del(&data->dragtimer);
318
319 if (TAILQ_FIRST(&wp->modes) != wme)
320 return;
321
322 if (data->cy == 0) {
323 evtimer_add(&data->dragtimer, &tv);
324 window_copy_cursor_up(wme, 1);
325 } else if (data->cy == screen_size_y(&data->screen) - 1) {
326 evtimer_add(&data->dragtimer, &tv);
327 window_copy_cursor_down(wme, 1);
328 }
329 }
330
331 static struct screen *
window_copy_clone_screen(struct screen * src,struct screen * hint,u_int * cx,u_int * cy,int trim)332 window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
333 u_int *cy, int trim)
334 {
335 struct screen *dst;
336 const struct grid_line *gl;
337 u_int sy, wx, wy;
338 int reflow;
339
340 dst = xcalloc(1, sizeof *dst);
341
342 sy = screen_hsize(src) + screen_size_y(src);
343 if (trim) {
344 while (sy > screen_hsize(src)) {
345 gl = grid_peek_line(src->grid, sy - 1);
346 if (gl->cellused != 0)
347 break;
348 sy--;
349 }
350 }
351 log_debug("%s: target screen is %ux%u, source %ux%u", __func__,
352 screen_size_x(src), sy, screen_size_x(hint),
353 screen_hsize(src) + screen_size_y(src));
354 screen_init(dst, screen_size_x(src), sy, screen_hlimit(src));
355
356 /*
357 * Ensure history is on for the backing grid so lines are not deleted
358 * during resizing.
359 */
360 dst->grid->flags |= GRID_HISTORY;
361 grid_duplicate_lines(dst->grid, 0, src->grid, 0, sy);
362
363 dst->grid->sy = sy - screen_hsize(src);
364 dst->grid->hsize = screen_hsize(src);
365 dst->grid->hscrolled = src->grid->hscrolled;
366 if (src->cy > dst->grid->sy - 1) {
367 dst->cx = 0;
368 dst->cy = dst->grid->sy - 1;
369 } else {
370 dst->cx = src->cx;
371 dst->cy = src->cy;
372 }
373
374 if (cx != NULL && cy != NULL) {
375 *cx = dst->cx;
376 *cy = screen_hsize(dst) + dst->cy;
377 reflow = (screen_size_x(hint) != screen_size_x(dst));
378 }
379 else
380 reflow = 0;
381 if (reflow)
382 grid_wrap_position(dst->grid, *cx, *cy, &wx, &wy);
383 screen_resize_cursor(dst, screen_size_x(hint), screen_size_y(hint), 1,
384 0, 0);
385 if (reflow)
386 grid_unwrap_position(dst->grid, cx, cy, wx, wy);
387
388 return (dst);
389 }
390
391 static struct window_copy_mode_data *
window_copy_common_init(struct window_mode_entry * wme)392 window_copy_common_init(struct window_mode_entry *wme)
393 {
394 struct window_pane *wp = wme->wp;
395 struct window_copy_mode_data *data;
396 struct screen *base = &wp->base;
397
398 wme->data = data = xcalloc(1, sizeof *data);
399
400 data->cursordrag = CURSORDRAG_NONE;
401 data->lineflag = LINE_SEL_NONE;
402 data->selflag = SEL_CHAR;
403
404 if (wp->searchstr != NULL) {
405 data->searchtype = WINDOW_COPY_SEARCHUP;
406 data->searchregex = wp->searchregex;
407 data->searchstr = xstrdup(wp->searchstr);
408 } else {
409 data->searchtype = WINDOW_COPY_OFF;
410 data->searchregex = 0;
411 data->searchstr = NULL;
412 }
413 data->searchx = data->searchy = data->searcho = -1;
414 data->searchall = 1;
415
416 data->jumptype = WINDOW_COPY_OFF;
417 data->jumpchar = NULL;
418
419 screen_init(&data->screen, screen_size_x(base), screen_size_y(base), 0);
420 data->modekeys = options_get_number(wp->window->options, "mode-keys");
421
422 evtimer_set(&data->dragtimer, window_copy_scroll_timer, wme);
423
424 return (data);
425 }
426
427 static struct screen *
window_copy_init(struct window_mode_entry * wme,__unused struct cmd_find_state * fs,struct args * args)428 window_copy_init(struct window_mode_entry *wme,
429 __unused struct cmd_find_state *fs, struct args *args)
430 {
431 struct window_pane *wp = wme->swp;
432 struct window_copy_mode_data *data;
433 struct screen *base = &wp->base;
434 struct screen_write_ctx ctx;
435 u_int i, cx, cy;
436
437 data = window_copy_common_init(wme);
438 data->backing = window_copy_clone_screen(base, &data->screen, &cx, &cy,
439 wme->swp != wme->wp);
440
441 data->cx = cx;
442 if (cy < screen_hsize(data->backing)) {
443 data->cy = 0;
444 data->oy = screen_hsize(data->backing) - cy;
445 } else {
446 data->cy = cy - screen_hsize(data->backing);
447 data->oy = 0;
448 }
449
450 data->scroll_exit = args_has(args, 'e');
451 data->hide_position = args_has(args, 'H');
452
453 data->screen.cx = data->cx;
454 data->screen.cy = data->cy;
455 data->mx = data->cx;
456 data->my = screen_hsize(data->backing) + data->cy - data->oy;
457 data->showmark = 0;
458
459 screen_write_start(&ctx, &data->screen);
460 for (i = 0; i < screen_size_y(&data->screen); i++)
461 window_copy_write_line(wme, &ctx, i);
462 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
463 screen_write_stop(&ctx);
464
465 return (&data->screen);
466 }
467
468 static struct screen *
window_copy_view_init(struct window_mode_entry * wme,__unused struct cmd_find_state * fs,__unused struct args * args)469 window_copy_view_init(struct window_mode_entry *wme,
470 __unused struct cmd_find_state *fs, __unused struct args *args)
471 {
472 struct window_pane *wp = wme->wp;
473 struct window_copy_mode_data *data;
474 struct screen *base = &wp->base;
475 u_int sx = screen_size_x(base);
476
477 data = window_copy_common_init(wme);
478 data->viewmode = 1;
479
480 data->backing = xmalloc(sizeof *data->backing);
481 screen_init(data->backing, sx, screen_size_y(base), UINT_MAX);
482 data->writing = xmalloc(sizeof *data->writing);
483 screen_init(data->writing, sx, screen_size_y(base), 0);
484 data->ictx = input_init(NULL, NULL, NULL);
485 data->mx = data->cx;
486 data->my = screen_hsize(data->backing) + data->cy - data->oy;
487 data->showmark = 0;
488
489 return (&data->screen);
490 }
491
492 static void
window_copy_free(struct window_mode_entry * wme)493 window_copy_free(struct window_mode_entry *wme)
494 {
495 struct window_copy_mode_data *data = wme->data;
496
497 evtimer_del(&data->dragtimer);
498
499 free(data->searchmark);
500 free(data->searchstr);
501 free(data->jumpchar);
502
503 if (data->writing != NULL) {
504 screen_free(data->writing);
505 free(data->writing);
506 }
507 if (data->ictx != NULL)
508 input_free(data->ictx);
509 screen_free(data->backing);
510 free(data->backing);
511
512 screen_free(&data->screen);
513 free(data);
514 }
515
516 void
window_copy_add(struct window_pane * wp,int parse,const char * fmt,...)517 window_copy_add(struct window_pane *wp, int parse, const char *fmt, ...)
518 {
519 va_list ap;
520
521 va_start(ap, fmt);
522 window_copy_vadd(wp, parse, fmt, ap);
523 va_end(ap);
524 }
525
526 static void
window_copy_init_ctx_cb(__unused struct screen_write_ctx * ctx,struct tty_ctx * ttyctx)527 window_copy_init_ctx_cb(__unused struct screen_write_ctx *ctx,
528 struct tty_ctx *ttyctx)
529 {
530 memcpy(&ttyctx->defaults, &grid_default_cell, sizeof ttyctx->defaults);
531 ttyctx->palette = NULL;
532 ttyctx->redraw_cb = NULL;
533 ttyctx->set_client_cb = NULL;
534 ttyctx->arg = NULL;
535 }
536
537 void
window_copy_vadd(struct window_pane * wp,int parse,const char * fmt,va_list ap)538 window_copy_vadd(struct window_pane *wp, int parse, const char *fmt, va_list ap)
539 {
540 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
541 struct window_copy_mode_data *data = wme->data;
542 struct screen *backing = data->backing;
543 struct screen *writing = data->writing;
544 struct screen_write_ctx writing_ctx, backing_ctx, ctx;
545 struct grid_cell gc;
546 u_int old_hsize, old_cy;
547 u_int sx = screen_size_x(backing);
548 char *text;
549
550 if (parse) {
551 vasprintf(&text, fmt, ap);
552 screen_write_start(&writing_ctx, writing);
553 screen_write_reset(&writing_ctx);
554 input_parse_screen(data->ictx, writing, window_copy_init_ctx_cb,
555 data, text, strlen(text));
556 free(text);
557 }
558
559 old_hsize = screen_hsize(data->backing);
560 screen_write_start(&backing_ctx, backing);
561 if (data->backing_written) {
562 /*
563 * On the second or later line, do a CRLF before writing
564 * (so it's on a new line).
565 */
566 screen_write_carriagereturn(&backing_ctx);
567 screen_write_linefeed(&backing_ctx, 0, 8);
568 } else
569 data->backing_written = 1;
570 old_cy = backing->cy;
571 if (parse)
572 screen_write_fast_copy(&backing_ctx, writing, 0, 0, sx, 1);
573 else {
574 memcpy(&gc, &grid_default_cell, sizeof gc);
575 screen_write_vnputs(&backing_ctx, 0, &gc, fmt, ap);
576 }
577 screen_write_stop(&backing_ctx);
578
579 data->oy += screen_hsize(data->backing) - old_hsize;
580
581 screen_write_start_pane(&ctx, wp, &data->screen);
582
583 /*
584 * If the history has changed, draw the top line.
585 * (If there's any history at all, it has changed.)
586 */
587 if (screen_hsize(data->backing))
588 window_copy_redraw_lines(wme, 0, 1);
589
590 /* Write the new lines. */
591 window_copy_redraw_lines(wme, old_cy, backing->cy - old_cy + 1);
592
593 screen_write_stop(&ctx);
594 }
595
596 void
window_copy_pageup(struct window_pane * wp,int half_page)597 window_copy_pageup(struct window_pane *wp, int half_page)
598 {
599 window_copy_pageup1(TAILQ_FIRST(&wp->modes), half_page);
600 }
601
602 static void
window_copy_pageup1(struct window_mode_entry * wme,int half_page)603 window_copy_pageup1(struct window_mode_entry *wme, int half_page)
604 {
605 struct window_copy_mode_data *data = wme->data;
606 struct screen *s = &data->screen;
607 u_int n, ox, oy, px, py;
608
609 oy = screen_hsize(data->backing) + data->cy - data->oy;
610 ox = window_copy_find_length(wme, oy);
611
612 if (data->cx != ox) {
613 data->lastcx = data->cx;
614 data->lastsx = ox;
615 }
616 data->cx = data->lastcx;
617
618 n = 1;
619 if (screen_size_y(s) > 2) {
620 if (half_page)
621 n = screen_size_y(s) / 2;
622 else
623 n = screen_size_y(s) - 2;
624 }
625
626 if (data->oy + n > screen_hsize(data->backing)) {
627 data->oy = screen_hsize(data->backing);
628 if (data->cy < n)
629 data->cy = 0;
630 else
631 data->cy -= n;
632 } else
633 data->oy += n;
634
635 if (data->screen.sel == NULL || !data->rectflag) {
636 py = screen_hsize(data->backing) + data->cy - data->oy;
637 px = window_copy_find_length(wme, py);
638 if ((data->cx >= data->lastsx && data->cx != px) ||
639 data->cx > px)
640 window_copy_cursor_end_of_line(wme);
641 }
642
643 if (data->searchmark != NULL && !data->timeout)
644 window_copy_search_marks(wme, NULL, data->searchregex, 1);
645 window_copy_update_selection(wme, 1, 0);
646 window_copy_redraw_screen(wme);
647 }
648
649 static int
window_copy_pagedown(struct window_mode_entry * wme,int half_page,int scroll_exit)650 window_copy_pagedown(struct window_mode_entry *wme, int half_page,
651 int scroll_exit)
652 {
653 struct window_copy_mode_data *data = wme->data;
654 struct screen *s = &data->screen;
655 u_int n, ox, oy, px, py;
656
657 oy = screen_hsize(data->backing) + data->cy - data->oy;
658 ox = window_copy_find_length(wme, oy);
659
660 if (data->cx != ox) {
661 data->lastcx = data->cx;
662 data->lastsx = ox;
663 }
664 data->cx = data->lastcx;
665
666 n = 1;
667 if (screen_size_y(s) > 2) {
668 if (half_page)
669 n = screen_size_y(s) / 2;
670 else
671 n = screen_size_y(s) - 2;
672 }
673
674 if (data->oy < n) {
675 data->oy = 0;
676 if (data->cy + (n - data->oy) >= screen_size_y(data->backing))
677 data->cy = screen_size_y(data->backing) - 1;
678 else
679 data->cy += n - data->oy;
680 } else
681 data->oy -= n;
682
683 if (data->screen.sel == NULL || !data->rectflag) {
684 py = screen_hsize(data->backing) + data->cy - data->oy;
685 px = window_copy_find_length(wme, py);
686 if ((data->cx >= data->lastsx && data->cx != px) ||
687 data->cx > px)
688 window_copy_cursor_end_of_line(wme);
689 }
690
691 if (scroll_exit && data->oy == 0)
692 return (1);
693 if (data->searchmark != NULL && !data->timeout)
694 window_copy_search_marks(wme, NULL, data->searchregex, 1);
695 window_copy_update_selection(wme, 1, 0);
696 window_copy_redraw_screen(wme);
697 return (0);
698 }
699
700 static void
window_copy_previous_paragraph(struct window_mode_entry * wme)701 window_copy_previous_paragraph(struct window_mode_entry *wme)
702 {
703 struct window_copy_mode_data *data = wme->data;
704 u_int oy;
705
706 oy = screen_hsize(data->backing) + data->cy - data->oy;
707
708 while (oy > 0 && window_copy_find_length(wme, oy) == 0)
709 oy--;
710
711 while (oy > 0 && window_copy_find_length(wme, oy) > 0)
712 oy--;
713
714 window_copy_scroll_to(wme, 0, oy, 0);
715 }
716
717 static void
window_copy_next_paragraph(struct window_mode_entry * wme)718 window_copy_next_paragraph(struct window_mode_entry *wme)
719 {
720 struct window_copy_mode_data *data = wme->data;
721 struct screen *s = &data->screen;
722 u_int maxy, ox, oy;
723
724 oy = screen_hsize(data->backing) + data->cy - data->oy;
725 maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
726
727 while (oy < maxy && window_copy_find_length(wme, oy) == 0)
728 oy++;
729
730 while (oy < maxy && window_copy_find_length(wme, oy) > 0)
731 oy++;
732
733 ox = window_copy_find_length(wme, oy);
734 window_copy_scroll_to(wme, ox, oy, 0);
735 }
736
737 char *
window_copy_get_word(struct window_pane * wp,u_int x,u_int y)738 window_copy_get_word(struct window_pane *wp, u_int x, u_int y)
739 {
740 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
741 struct window_copy_mode_data *data = wme->data;
742 struct grid *gd = data->screen.grid;
743
744 return (format_grid_word(gd, x, gd->hsize + y));
745 }
746
747 char *
window_copy_get_line(struct window_pane * wp,u_int y)748 window_copy_get_line(struct window_pane *wp, u_int y)
749 {
750 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
751 struct window_copy_mode_data *data = wme->data;
752 struct grid *gd = data->screen.grid;
753
754 return (format_grid_line(gd, gd->hsize + y));
755 }
756
757 static void *
window_copy_cursor_word_cb(struct format_tree * ft)758 window_copy_cursor_word_cb(struct format_tree *ft)
759 {
760 struct window_pane *wp = format_get_pane(ft);
761 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
762 struct window_copy_mode_data *data = wme->data;
763
764 return (window_copy_get_word(wp, data->cx, data->cy));
765 }
766
767 static void *
window_copy_cursor_line_cb(struct format_tree * ft)768 window_copy_cursor_line_cb(struct format_tree *ft)
769 {
770 struct window_pane *wp = format_get_pane(ft);
771 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
772 struct window_copy_mode_data *data = wme->data;
773
774 return (window_copy_get_line(wp, data->cy));
775 }
776
777 static void *
window_copy_search_match_cb(struct format_tree * ft)778 window_copy_search_match_cb(struct format_tree *ft)
779 {
780 struct window_pane *wp = format_get_pane(ft);
781 struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
782 struct window_copy_mode_data *data = wme->data;
783
784 return (window_copy_match_at_cursor(data));
785 }
786
787 static void
window_copy_formats(struct window_mode_entry * wme,struct format_tree * ft)788 window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
789 {
790 struct window_copy_mode_data *data = wme->data;
791
792 format_add(ft, "scroll_position", "%d", data->oy);
793 format_add(ft, "rectangle_toggle", "%d", data->rectflag);
794
795 format_add(ft, "copy_cursor_x", "%d", data->cx);
796 format_add(ft, "copy_cursor_y", "%d", data->cy);
797
798 if (data->screen.sel != NULL) {
799 format_add(ft, "selection_start_x", "%d", data->selx);
800 format_add(ft, "selection_start_y", "%d", data->sely);
801 format_add(ft, "selection_end_x", "%d", data->endselx);
802 format_add(ft, "selection_end_y", "%d", data->endsely);
803
804 if (data->cursordrag != CURSORDRAG_NONE)
805 format_add(ft, "selection_active", "1");
806 else
807 format_add(ft, "selection_active", "0");
808 if (data->endselx != data->selx || data->endsely != data->sely)
809 format_add(ft, "selection_present", "1");
810 else
811 format_add(ft, "selection_present", "0");
812 } else {
813 format_add(ft, "selection_active", "0");
814 format_add(ft, "selection_present", "0");
815 }
816
817 format_add(ft, "search_present", "%d", data->searchmark != NULL);
818 format_add_cb(ft, "search_match", window_copy_search_match_cb);
819
820 format_add_cb(ft, "copy_cursor_word", window_copy_cursor_word_cb);
821 format_add_cb(ft, "copy_cursor_line", window_copy_cursor_line_cb);
822 }
823
824 static void
window_copy_size_changed(struct window_mode_entry * wme)825 window_copy_size_changed(struct window_mode_entry *wme)
826 {
827 struct window_copy_mode_data *data = wme->data;
828 struct screen *s = &data->screen;
829 struct screen_write_ctx ctx;
830 int search = (data->searchmark != NULL);
831
832 window_copy_clear_selection(wme);
833 window_copy_clear_marks(wme);
834
835 screen_write_start(&ctx, s);
836 window_copy_write_lines(wme, &ctx, 0, screen_size_y(s));
837 screen_write_stop(&ctx);
838
839 if (search && !data->timeout)
840 window_copy_search_marks(wme, NULL, data->searchregex, 0);
841 data->searchx = data->cx;
842 data->searchy = data->cy;
843 data->searcho = data->oy;
844 }
845
846 static void
window_copy_resize(struct window_mode_entry * wme,u_int sx,u_int sy)847 window_copy_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
848 {
849 struct window_copy_mode_data *data = wme->data;
850 struct screen *s = &data->screen;
851 struct grid *gd = data->backing->grid;
852 u_int cx, cy, wx, wy;
853 int reflow;
854
855 screen_resize(s, sx, sy, 0);
856 cx = data->cx;
857 cy = gd->hsize + data->cy - data->oy;
858 reflow = (gd->sx != sx);
859 if (reflow)
860 grid_wrap_position(gd, cx, cy, &wx, &wy);
861 screen_resize_cursor(data->backing, sx, sy, 1, 0, 0);
862 if (reflow)
863 grid_unwrap_position(gd, &cx, &cy, wx, wy);
864
865 data->cx = cx;
866 if (cy < gd->hsize) {
867 data->cy = 0;
868 data->oy = gd->hsize - cy;
869 } else {
870 data->cy = cy - gd->hsize;
871 data->oy = 0;
872 }
873
874 window_copy_size_changed(wme);
875 window_copy_redraw_screen(wme);
876 }
877
878 static const char *
window_copy_key_table(struct window_mode_entry * wme)879 window_copy_key_table(struct window_mode_entry *wme)
880 {
881 struct window_pane *wp = wme->wp;
882
883 if (options_get_number(wp->window->options, "mode-keys") == MODEKEY_VI)
884 return ("copy-mode-vi");
885 return ("copy-mode");
886 }
887
888 static int
window_copy_expand_search_string(struct window_copy_cmd_state * cs)889 window_copy_expand_search_string(struct window_copy_cmd_state *cs)
890 {
891 struct window_mode_entry *wme = cs->wme;
892 struct window_copy_mode_data *data = wme->data;
893 const char *ss = args_string(cs->args, 1);
894 char *expanded;
895
896 if (ss == NULL || *ss == '\0')
897 return (0);
898
899 if (args_has(cs->args, 'F')) {
900 expanded = format_single(NULL, ss, NULL, NULL, NULL, wme->wp);
901 if (*expanded == '\0') {
902 free(expanded);
903 return (0);
904 }
905 free(data->searchstr);
906 data->searchstr = expanded;
907 } else {
908 free(data->searchstr);
909 data->searchstr = xstrdup(ss);
910 }
911 return (1);
912 }
913
914 static enum window_copy_cmd_action
window_copy_cmd_append_selection(struct window_copy_cmd_state * cs)915 window_copy_cmd_append_selection(struct window_copy_cmd_state *cs)
916 {
917 struct window_mode_entry *wme = cs->wme;
918 struct session *s = cs->s;
919
920 if (s != NULL)
921 window_copy_append_selection(wme);
922 window_copy_clear_selection(wme);
923 return (WINDOW_COPY_CMD_REDRAW);
924 }
925
926 static enum window_copy_cmd_action
window_copy_cmd_append_selection_and_cancel(struct window_copy_cmd_state * cs)927 window_copy_cmd_append_selection_and_cancel(struct window_copy_cmd_state *cs)
928 {
929 struct window_mode_entry *wme = cs->wme;
930 struct session *s = cs->s;
931
932 if (s != NULL)
933 window_copy_append_selection(wme);
934 window_copy_clear_selection(wme);
935 return (WINDOW_COPY_CMD_CANCEL);
936 }
937
938 static enum window_copy_cmd_action
window_copy_cmd_back_to_indentation(struct window_copy_cmd_state * cs)939 window_copy_cmd_back_to_indentation(struct window_copy_cmd_state *cs)
940 {
941 struct window_mode_entry *wme = cs->wme;
942
943 window_copy_cursor_back_to_indentation(wme);
944 return (WINDOW_COPY_CMD_NOTHING);
945 }
946
947 static enum window_copy_cmd_action
window_copy_cmd_begin_selection(struct window_copy_cmd_state * cs)948 window_copy_cmd_begin_selection(struct window_copy_cmd_state *cs)
949 {
950 struct window_mode_entry *wme = cs->wme;
951 struct client *c = cs->c;
952 struct mouse_event *m = cs->m;
953 struct window_copy_mode_data *data = wme->data;
954
955 if (m != NULL) {
956 window_copy_start_drag(c, m);
957 return (WINDOW_COPY_CMD_NOTHING);
958 }
959
960 data->lineflag = LINE_SEL_NONE;
961 data->selflag = SEL_CHAR;
962 window_copy_start_selection(wme);
963 return (WINDOW_COPY_CMD_REDRAW);
964 }
965
966 static enum window_copy_cmd_action
window_copy_cmd_stop_selection(struct window_copy_cmd_state * cs)967 window_copy_cmd_stop_selection(struct window_copy_cmd_state *cs)
968 {
969 struct window_mode_entry *wme = cs->wme;
970 struct window_copy_mode_data *data = wme->data;
971
972 data->cursordrag = CURSORDRAG_NONE;
973 data->lineflag = LINE_SEL_NONE;
974 data->selflag = SEL_CHAR;
975 return (WINDOW_COPY_CMD_NOTHING);
976 }
977
978 static enum window_copy_cmd_action
window_copy_cmd_bottom_line(struct window_copy_cmd_state * cs)979 window_copy_cmd_bottom_line(struct window_copy_cmd_state *cs)
980 {
981 struct window_mode_entry *wme = cs->wme;
982 struct window_copy_mode_data *data = wme->data;
983
984 data->cx = 0;
985 data->cy = screen_size_y(&data->screen) - 1;
986
987 window_copy_update_selection(wme, 1, 0);
988 return (WINDOW_COPY_CMD_REDRAW);
989 }
990
991 static enum window_copy_cmd_action
window_copy_cmd_cancel(__unused struct window_copy_cmd_state * cs)992 window_copy_cmd_cancel(__unused struct window_copy_cmd_state *cs)
993 {
994 return (WINDOW_COPY_CMD_CANCEL);
995 }
996
997 static enum window_copy_cmd_action
window_copy_cmd_clear_selection(struct window_copy_cmd_state * cs)998 window_copy_cmd_clear_selection(struct window_copy_cmd_state *cs)
999 {
1000 struct window_mode_entry *wme = cs->wme;
1001
1002 window_copy_clear_selection(wme);
1003 return (WINDOW_COPY_CMD_REDRAW);
1004 }
1005
1006 static enum window_copy_cmd_action
window_copy_do_copy_end_of_line(struct window_copy_cmd_state * cs,int pipe,int cancel)1007 window_copy_do_copy_end_of_line(struct window_copy_cmd_state *cs, int pipe,
1008 int cancel)
1009 {
1010 struct window_mode_entry *wme = cs->wme;
1011 struct client *c = cs->c;
1012 struct session *s = cs->s;
1013 struct winlink *wl = cs->wl;
1014 struct window_pane *wp = wme->wp;
1015 u_int count = args_count(cs->args);
1016 u_int np = wme->prefix, ocx, ocy, ooy;
1017 struct window_copy_mode_data *data = wme->data;
1018 char *prefix = NULL, *command = NULL;
1019 const char *arg1 = args_string(cs->args, 1);
1020 const char *arg2 = args_string(cs->args, 2);
1021
1022 if (pipe) {
1023 if (count == 3)
1024 prefix = format_single(NULL, arg2, c, s, wl, wp);
1025 if (s != NULL && count > 1 && *arg1 != '\0')
1026 command = format_single(NULL, arg1, c, s, wl, wp);
1027 } else {
1028 if (count == 2)
1029 prefix = format_single(NULL, arg1, c, s, wl, wp);
1030 }
1031
1032 ocx = data->cx;
1033 ocy = data->cy;
1034 ooy = data->oy;
1035
1036 window_copy_start_selection(wme);
1037 for (; np > 1; np--)
1038 window_copy_cursor_down(wme, 0);
1039 window_copy_cursor_end_of_line(wme);
1040
1041 if (s != NULL) {
1042 if (pipe)
1043 window_copy_copy_pipe(wme, s, prefix, command);
1044 else
1045 window_copy_copy_selection(wme, prefix);
1046
1047 if (cancel) {
1048 free(prefix);
1049 free(command);
1050 return (WINDOW_COPY_CMD_CANCEL);
1051 }
1052 }
1053 window_copy_clear_selection(wme);
1054
1055 data->cx = ocx;
1056 data->cy = ocy;
1057 data->oy = ooy;
1058
1059 free(prefix);
1060 free(command);
1061 return (WINDOW_COPY_CMD_REDRAW);
1062 }
1063
1064 static enum window_copy_cmd_action
window_copy_cmd_copy_end_of_line(struct window_copy_cmd_state * cs)1065 window_copy_cmd_copy_end_of_line(struct window_copy_cmd_state *cs)
1066 {
1067 return (window_copy_do_copy_end_of_line(cs, 0, 0));
1068 }
1069
1070 static enum window_copy_cmd_action
window_copy_cmd_copy_end_of_line_and_cancel(struct window_copy_cmd_state * cs)1071 window_copy_cmd_copy_end_of_line_and_cancel(struct window_copy_cmd_state *cs)
1072 {
1073 return (window_copy_do_copy_end_of_line(cs, 0, 1));
1074 }
1075
1076 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_end_of_line(struct window_copy_cmd_state * cs)1077 window_copy_cmd_copy_pipe_end_of_line(struct window_copy_cmd_state *cs)
1078 {
1079 return (window_copy_do_copy_end_of_line(cs, 1, 0));
1080 }
1081
1082 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_end_of_line_and_cancel(struct window_copy_cmd_state * cs)1083 window_copy_cmd_copy_pipe_end_of_line_and_cancel(
1084 struct window_copy_cmd_state *cs)
1085 {
1086 return (window_copy_do_copy_end_of_line(cs, 1, 1));
1087 }
1088
1089 static enum window_copy_cmd_action
window_copy_do_copy_line(struct window_copy_cmd_state * cs,int pipe,int cancel)1090 window_copy_do_copy_line(struct window_copy_cmd_state *cs, int pipe, int cancel)
1091 {
1092 struct window_mode_entry *wme = cs->wme;
1093 struct client *c = cs->c;
1094 struct session *s = cs->s;
1095 struct winlink *wl = cs->wl;
1096 struct window_pane *wp = wme->wp;
1097 struct window_copy_mode_data *data = wme->data;
1098 u_int count = args_count(cs->args);
1099 u_int np = wme->prefix, ocx, ocy, ooy;
1100 char *prefix = NULL, *command = NULL;
1101 const char *arg1 = args_string(cs->args, 1);
1102 const char *arg2 = args_string(cs->args, 2);
1103
1104 if (pipe) {
1105 if (count == 3)
1106 prefix = format_single(NULL, arg2, c, s, wl, wp);
1107 if (s != NULL && count > 1 && *arg1 != '\0')
1108 command = format_single(NULL, arg1, c, s, wl, wp);
1109 } else {
1110 if (count == 2)
1111 prefix = format_single(NULL, arg1, c, s, wl, wp);
1112 }
1113
1114 ocx = data->cx;
1115 ocy = data->cy;
1116 ooy = data->oy;
1117
1118 data->selflag = SEL_CHAR;
1119 window_copy_cursor_start_of_line(wme);
1120 window_copy_start_selection(wme);
1121 for (; np > 1; np--)
1122 window_copy_cursor_down(wme, 0);
1123 window_copy_cursor_end_of_line(wme);
1124
1125 if (s != NULL) {
1126 if (pipe)
1127 window_copy_copy_pipe(wme, s, prefix, command);
1128 else
1129 window_copy_copy_selection(wme, prefix);
1130
1131 if (cancel) {
1132 free(prefix);
1133 free(command);
1134 return (WINDOW_COPY_CMD_CANCEL);
1135 }
1136 }
1137 window_copy_clear_selection(wme);
1138
1139 data->cx = ocx;
1140 data->cy = ocy;
1141 data->oy = ooy;
1142
1143 free(prefix);
1144 free(command);
1145 return (WINDOW_COPY_CMD_REDRAW);
1146 }
1147
1148 static enum window_copy_cmd_action
window_copy_cmd_copy_line(struct window_copy_cmd_state * cs)1149 window_copy_cmd_copy_line(struct window_copy_cmd_state *cs)
1150 {
1151 return (window_copy_do_copy_line(cs, 0, 0));
1152 }
1153
1154 static enum window_copy_cmd_action
window_copy_cmd_copy_line_and_cancel(struct window_copy_cmd_state * cs)1155 window_copy_cmd_copy_line_and_cancel(struct window_copy_cmd_state *cs)
1156 {
1157 return (window_copy_do_copy_line(cs, 0, 1));
1158 }
1159
1160 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_line(struct window_copy_cmd_state * cs)1161 window_copy_cmd_copy_pipe_line(struct window_copy_cmd_state *cs)
1162 {
1163 return (window_copy_do_copy_line(cs, 1, 0));
1164 }
1165
1166 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_line_and_cancel(struct window_copy_cmd_state * cs)1167 window_copy_cmd_copy_pipe_line_and_cancel(struct window_copy_cmd_state *cs)
1168 {
1169 return (window_copy_do_copy_line(cs, 1, 1));
1170 }
1171
1172 static enum window_copy_cmd_action
window_copy_cmd_copy_selection_no_clear(struct window_copy_cmd_state * cs)1173 window_copy_cmd_copy_selection_no_clear(struct window_copy_cmd_state *cs)
1174 {
1175 struct window_mode_entry *wme = cs->wme;
1176 struct client *c = cs->c;
1177 struct session *s = cs->s;
1178 struct winlink *wl = cs->wl;
1179 struct window_pane *wp = wme->wp;
1180 char *prefix = NULL;
1181 const char *arg1 = args_string(cs->args, 1);
1182
1183 if (arg1 != NULL)
1184 prefix = format_single(NULL, arg1, c, s, wl, wp);
1185
1186 if (s != NULL)
1187 window_copy_copy_selection(wme, prefix);
1188
1189 free(prefix);
1190 return (WINDOW_COPY_CMD_NOTHING);
1191 }
1192
1193 static enum window_copy_cmd_action
window_copy_cmd_copy_selection(struct window_copy_cmd_state * cs)1194 window_copy_cmd_copy_selection(struct window_copy_cmd_state *cs)
1195 {
1196 struct window_mode_entry *wme = cs->wme;
1197
1198 window_copy_cmd_copy_selection_no_clear(cs);
1199 window_copy_clear_selection(wme);
1200 return (WINDOW_COPY_CMD_REDRAW);
1201 }
1202
1203 static enum window_copy_cmd_action
window_copy_cmd_copy_selection_and_cancel(struct window_copy_cmd_state * cs)1204 window_copy_cmd_copy_selection_and_cancel(struct window_copy_cmd_state *cs)
1205 {
1206 struct window_mode_entry *wme = cs->wme;
1207
1208 window_copy_cmd_copy_selection_no_clear(cs);
1209 window_copy_clear_selection(wme);
1210 return (WINDOW_COPY_CMD_CANCEL);
1211 }
1212
1213 static enum window_copy_cmd_action
window_copy_cmd_cursor_down(struct window_copy_cmd_state * cs)1214 window_copy_cmd_cursor_down(struct window_copy_cmd_state *cs)
1215 {
1216 struct window_mode_entry *wme = cs->wme;
1217 u_int np = wme->prefix;
1218
1219 for (; np != 0; np--)
1220 window_copy_cursor_down(wme, 0);
1221 return (WINDOW_COPY_CMD_NOTHING);
1222 }
1223
1224 static enum window_copy_cmd_action
window_copy_cmd_cursor_down_and_cancel(struct window_copy_cmd_state * cs)1225 window_copy_cmd_cursor_down_and_cancel(struct window_copy_cmd_state *cs)
1226 {
1227 struct window_mode_entry *wme = cs->wme;
1228 struct window_copy_mode_data *data = wme->data;
1229 u_int np = wme->prefix, cy;
1230
1231 cy = data->cy;
1232 for (; np != 0; np--)
1233 window_copy_cursor_down(wme, 0);
1234 if (cy == data->cy && data->oy == 0)
1235 return (WINDOW_COPY_CMD_CANCEL);
1236 return (WINDOW_COPY_CMD_NOTHING);
1237 }
1238
1239 static enum window_copy_cmd_action
window_copy_cmd_cursor_left(struct window_copy_cmd_state * cs)1240 window_copy_cmd_cursor_left(struct window_copy_cmd_state *cs)
1241 {
1242 struct window_mode_entry *wme = cs->wme;
1243 u_int np = wme->prefix;
1244
1245 for (; np != 0; np--)
1246 window_copy_cursor_left(wme);
1247 return (WINDOW_COPY_CMD_NOTHING);
1248 }
1249
1250 static enum window_copy_cmd_action
window_copy_cmd_cursor_right(struct window_copy_cmd_state * cs)1251 window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs)
1252 {
1253 struct window_mode_entry *wme = cs->wme;
1254 struct window_copy_mode_data *data = wme->data;
1255 u_int np = wme->prefix;
1256
1257 for (; np != 0; np--) {
1258 window_copy_cursor_right(wme, data->screen.sel != NULL &&
1259 data->rectflag);
1260 }
1261 return (WINDOW_COPY_CMD_NOTHING);
1262 }
1263
1264 /* Scroll line containing the cursor to the given position. */
1265 static enum window_copy_cmd_action
window_copy_cmd_scroll_to(struct window_copy_cmd_state * cs,u_int to)1266 window_copy_cmd_scroll_to(struct window_copy_cmd_state *cs, u_int to)
1267 {
1268 struct window_mode_entry *wme = cs->wme;
1269 struct window_copy_mode_data *data = wme->data;
1270 u_int oy, delta;
1271 int scroll_up; /* >0 up, <0 down */
1272
1273 scroll_up = data->cy - to;
1274 delta = abs(scroll_up);
1275 oy = screen_hsize(data->backing) - data->oy;
1276
1277 /*
1278 * oy is the maximum scroll down amount, while data->oy is the maximum
1279 * scroll up amount.
1280 */
1281 if (scroll_up > 0 && data->oy >= delta) {
1282 window_copy_scroll_up(wme, delta);
1283 data->cy -= delta;
1284 } else if (scroll_up < 0 && oy >= delta) {
1285 window_copy_scroll_down(wme, delta);
1286 data->cy += delta;
1287 }
1288
1289 window_copy_update_selection(wme, 0, 0);
1290 return (WINDOW_COPY_CMD_REDRAW);
1291 }
1292
1293 /* Scroll line containing the cursor to the bottom. */
1294 static enum window_copy_cmd_action
window_copy_cmd_scroll_bottom(struct window_copy_cmd_state * cs)1295 window_copy_cmd_scroll_bottom(struct window_copy_cmd_state *cs)
1296 {
1297 struct window_copy_mode_data *data = cs->wme->data;
1298 u_int bottom;
1299
1300 bottom = screen_size_y(&data->screen) - 1;
1301 return (window_copy_cmd_scroll_to(cs, bottom));
1302 }
1303
1304 /* Scroll line containing the cursor to the middle. */
1305 static enum window_copy_cmd_action
window_copy_cmd_scroll_middle(struct window_copy_cmd_state * cs)1306 window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs)
1307 {
1308 struct window_copy_mode_data *data = cs->wme->data;
1309 u_int mid_value;
1310
1311 mid_value = (screen_size_y(&data->screen) - 1) / 2;
1312 return (window_copy_cmd_scroll_to(cs, mid_value));
1313 }
1314
1315 /* Scroll line containing the cursor to the top. */
1316 static enum window_copy_cmd_action
window_copy_cmd_scroll_top(struct window_copy_cmd_state * cs)1317 window_copy_cmd_scroll_top(struct window_copy_cmd_state *cs)
1318 {
1319 return (window_copy_cmd_scroll_to(cs, 0));
1320 }
1321
1322 static enum window_copy_cmd_action
window_copy_cmd_cursor_up(struct window_copy_cmd_state * cs)1323 window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs)
1324 {
1325 struct window_mode_entry *wme = cs->wme;
1326 u_int np = wme->prefix;
1327
1328 for (; np != 0; np--)
1329 window_copy_cursor_up(wme, 0);
1330 return (WINDOW_COPY_CMD_NOTHING);
1331 }
1332
1333 static enum window_copy_cmd_action
window_copy_cmd_end_of_line(struct window_copy_cmd_state * cs)1334 window_copy_cmd_end_of_line(struct window_copy_cmd_state *cs)
1335 {
1336 struct window_mode_entry *wme = cs->wme;
1337
1338 window_copy_cursor_end_of_line(wme);
1339 return (WINDOW_COPY_CMD_NOTHING);
1340 }
1341
1342 static enum window_copy_cmd_action
window_copy_cmd_halfpage_down(struct window_copy_cmd_state * cs)1343 window_copy_cmd_halfpage_down(struct window_copy_cmd_state *cs)
1344 {
1345 struct window_mode_entry *wme = cs->wme;
1346 struct window_copy_mode_data *data = wme->data;
1347 u_int np = wme->prefix;
1348
1349 for (; np != 0; np--) {
1350 if (window_copy_pagedown(wme, 1, data->scroll_exit))
1351 return (WINDOW_COPY_CMD_CANCEL);
1352 }
1353 return (WINDOW_COPY_CMD_NOTHING);
1354 }
1355
1356 static enum window_copy_cmd_action
window_copy_cmd_halfpage_down_and_cancel(struct window_copy_cmd_state * cs)1357 window_copy_cmd_halfpage_down_and_cancel(struct window_copy_cmd_state *cs)
1358 {
1359
1360 struct window_mode_entry *wme = cs->wme;
1361 u_int np = wme->prefix;
1362
1363 for (; np != 0; np--) {
1364 if (window_copy_pagedown(wme, 1, 1))
1365 return (WINDOW_COPY_CMD_CANCEL);
1366 }
1367 return (WINDOW_COPY_CMD_NOTHING);
1368 }
1369
1370 static enum window_copy_cmd_action
window_copy_cmd_halfpage_up(struct window_copy_cmd_state * cs)1371 window_copy_cmd_halfpage_up(struct window_copy_cmd_state *cs)
1372 {
1373 struct window_mode_entry *wme = cs->wme;
1374 u_int np = wme->prefix;
1375
1376 for (; np != 0; np--)
1377 window_copy_pageup1(wme, 1);
1378 return (WINDOW_COPY_CMD_NOTHING);
1379 }
1380
1381 static enum window_copy_cmd_action
window_copy_cmd_toggle_position(struct window_copy_cmd_state * cs)1382 window_copy_cmd_toggle_position(struct window_copy_cmd_state *cs)
1383 {
1384 struct window_mode_entry *wme = cs->wme;
1385 struct window_copy_mode_data *data = wme->data;
1386
1387 data->hide_position = !data->hide_position;
1388 return (WINDOW_COPY_CMD_REDRAW);
1389 }
1390
1391 static enum window_copy_cmd_action
window_copy_cmd_history_bottom(struct window_copy_cmd_state * cs)1392 window_copy_cmd_history_bottom(struct window_copy_cmd_state *cs)
1393 {
1394 struct window_mode_entry *wme = cs->wme;
1395 struct window_copy_mode_data *data = wme->data;
1396 struct screen *s = data->backing;
1397 u_int oy;
1398
1399 oy = screen_hsize(s) + data->cy - data->oy;
1400 if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
1401 window_copy_other_end(wme);
1402
1403 data->cy = screen_size_y(&data->screen) - 1;
1404 data->cx = window_copy_find_length(wme, screen_hsize(s) + data->cy);
1405 data->oy = 0;
1406
1407 if (data->searchmark != NULL && !data->timeout)
1408 window_copy_search_marks(wme, NULL, data->searchregex, 1);
1409 window_copy_update_selection(wme, 1, 0);
1410 return (WINDOW_COPY_CMD_REDRAW);
1411 }
1412
1413 static enum window_copy_cmd_action
window_copy_cmd_history_top(struct window_copy_cmd_state * cs)1414 window_copy_cmd_history_top(struct window_copy_cmd_state *cs)
1415 {
1416 struct window_mode_entry *wme = cs->wme;
1417 struct window_copy_mode_data *data = wme->data;
1418 u_int oy;
1419
1420 oy = screen_hsize(data->backing) + data->cy - data->oy;
1421 if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
1422 window_copy_other_end(wme);
1423
1424 data->cy = 0;
1425 data->cx = 0;
1426 data->oy = screen_hsize(data->backing);
1427
1428 if (data->searchmark != NULL && !data->timeout)
1429 window_copy_search_marks(wme, NULL, data->searchregex, 1);
1430 window_copy_update_selection(wme, 1, 0);
1431 return (WINDOW_COPY_CMD_REDRAW);
1432 }
1433
1434 static enum window_copy_cmd_action
window_copy_cmd_jump_again(struct window_copy_cmd_state * cs)1435 window_copy_cmd_jump_again(struct window_copy_cmd_state *cs)
1436 {
1437 struct window_mode_entry *wme = cs->wme;
1438 struct window_copy_mode_data *data = wme->data;
1439 u_int np = wme->prefix;
1440
1441 switch (data->jumptype) {
1442 case WINDOW_COPY_JUMPFORWARD:
1443 for (; np != 0; np--)
1444 window_copy_cursor_jump(wme);
1445 break;
1446 case WINDOW_COPY_JUMPBACKWARD:
1447 for (; np != 0; np--)
1448 window_copy_cursor_jump_back(wme);
1449 break;
1450 case WINDOW_COPY_JUMPTOFORWARD:
1451 for (; np != 0; np--)
1452 window_copy_cursor_jump_to(wme);
1453 break;
1454 case WINDOW_COPY_JUMPTOBACKWARD:
1455 for (; np != 0; np--)
1456 window_copy_cursor_jump_to_back(wme);
1457 break;
1458 }
1459 return (WINDOW_COPY_CMD_NOTHING);
1460 }
1461
1462 static enum window_copy_cmd_action
window_copy_cmd_jump_reverse(struct window_copy_cmd_state * cs)1463 window_copy_cmd_jump_reverse(struct window_copy_cmd_state *cs)
1464 {
1465 struct window_mode_entry *wme = cs->wme;
1466 struct window_copy_mode_data *data = wme->data;
1467 u_int np = wme->prefix;
1468
1469 switch (data->jumptype) {
1470 case WINDOW_COPY_JUMPFORWARD:
1471 for (; np != 0; np--)
1472 window_copy_cursor_jump_back(wme);
1473 break;
1474 case WINDOW_COPY_JUMPBACKWARD:
1475 for (; np != 0; np--)
1476 window_copy_cursor_jump(wme);
1477 break;
1478 case WINDOW_COPY_JUMPTOFORWARD:
1479 for (; np != 0; np--)
1480 window_copy_cursor_jump_to_back(wme);
1481 break;
1482 case WINDOW_COPY_JUMPTOBACKWARD:
1483 for (; np != 0; np--)
1484 window_copy_cursor_jump_to(wme);
1485 break;
1486 }
1487 return (WINDOW_COPY_CMD_NOTHING);
1488 }
1489
1490 static enum window_copy_cmd_action
window_copy_cmd_middle_line(struct window_copy_cmd_state * cs)1491 window_copy_cmd_middle_line(struct window_copy_cmd_state *cs)
1492 {
1493 struct window_mode_entry *wme = cs->wme;
1494 struct window_copy_mode_data *data = wme->data;
1495
1496 data->cx = 0;
1497 data->cy = (screen_size_y(&data->screen) - 1) / 2;
1498
1499 window_copy_update_selection(wme, 1, 0);
1500 return (WINDOW_COPY_CMD_REDRAW);
1501 }
1502
1503 static enum window_copy_cmd_action
window_copy_cmd_previous_matching_bracket(struct window_copy_cmd_state * cs)1504 window_copy_cmd_previous_matching_bracket(struct window_copy_cmd_state *cs)
1505 {
1506 struct window_mode_entry *wme = cs->wme;
1507 u_int np = wme->prefix;
1508 struct window_copy_mode_data *data = wme->data;
1509 struct screen *s = data->backing;
1510 char open[] = "{[(", close[] = "}])";
1511 char tried, found, start, *cp;
1512 u_int px, py, xx, n;
1513 struct grid_cell gc;
1514 int failed;
1515
1516 for (; np != 0; np--) {
1517 /* Get cursor position and line length. */
1518 px = data->cx;
1519 py = screen_hsize(s) + data->cy - data->oy;
1520 xx = window_copy_find_length(wme, py);
1521 if (xx == 0)
1522 break;
1523
1524 /*
1525 * Get the current character. If not on a bracket, try the
1526 * previous. If still not, then behave like previous-word.
1527 */
1528 tried = 0;
1529 retry:
1530 grid_get_cell(s->grid, px, py, &gc);
1531 if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
1532 cp = NULL;
1533 else {
1534 found = *gc.data.data;
1535 cp = strchr(close, found);
1536 }
1537 if (cp == NULL) {
1538 if (data->modekeys == MODEKEY_EMACS) {
1539 if (!tried && px > 0) {
1540 px--;
1541 tried = 1;
1542 goto retry;
1543 }
1544 window_copy_cursor_previous_word(wme, close, 1);
1545 }
1546 continue;
1547 }
1548 start = open[cp - close];
1549
1550 /* Walk backward until the matching bracket is reached. */
1551 n = 1;
1552 failed = 0;
1553 do {
1554 if (px == 0) {
1555 if (py == 0) {
1556 failed = 1;
1557 break;
1558 }
1559 do {
1560 py--;
1561 xx = window_copy_find_length(wme, py);
1562 } while (xx == 0 && py > 0);
1563 if (xx == 0 && py == 0) {
1564 failed = 1;
1565 break;
1566 }
1567 px = xx - 1;
1568 } else
1569 px--;
1570
1571 grid_get_cell(s->grid, px, py, &gc);
1572 if (gc.data.size == 1 &&
1573 (~gc.flags & GRID_FLAG_PADDING)) {
1574 if (*gc.data.data == found)
1575 n++;
1576 else if (*gc.data.data == start)
1577 n--;
1578 }
1579 } while (n != 0);
1580
1581 /* Move the cursor to the found location if any. */
1582 if (!failed)
1583 window_copy_scroll_to(wme, px, py, 0);
1584 }
1585
1586 return (WINDOW_COPY_CMD_NOTHING);
1587 }
1588
1589 static enum window_copy_cmd_action
window_copy_cmd_next_matching_bracket(struct window_copy_cmd_state * cs)1590 window_copy_cmd_next_matching_bracket(struct window_copy_cmd_state *cs)
1591 {
1592 struct window_mode_entry *wme = cs->wme;
1593 u_int np = wme->prefix;
1594 struct window_copy_mode_data *data = wme->data;
1595 struct screen *s = data->backing;
1596 char open[] = "{[(", close[] = "}])";
1597 char tried, found, end, *cp;
1598 u_int px, py, xx, yy, sx, sy, n;
1599 struct grid_cell gc;
1600 int failed;
1601 struct grid_line *gl;
1602
1603 for (; np != 0; np--) {
1604 /* Get cursor position and line length. */
1605 px = data->cx;
1606 py = screen_hsize(s) + data->cy - data->oy;
1607 xx = window_copy_find_length(wme, py);
1608 yy = screen_hsize(s) + screen_size_y(s) - 1;
1609 if (xx == 0)
1610 break;
1611
1612 /*
1613 * Get the current character. If not on a bracket, try the
1614 * next. If still not, then behave like next-word.
1615 */
1616 tried = 0;
1617 retry:
1618 grid_get_cell(s->grid, px, py, &gc);
1619 if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
1620 cp = NULL;
1621 else {
1622 found = *gc.data.data;
1623
1624 /*
1625 * In vi mode, attempt to move to previous bracket if a
1626 * closing bracket is found first. If this fails,
1627 * return to the original cursor position.
1628 */
1629 cp = strchr(close, found);
1630 if (cp != NULL && data->modekeys == MODEKEY_VI) {
1631 sx = data->cx;
1632 sy = screen_hsize(s) + data->cy - data->oy;
1633
1634 window_copy_scroll_to(wme, px, py, 0);
1635 window_copy_cmd_previous_matching_bracket(cs);
1636
1637 px = data->cx;
1638 py = screen_hsize(s) + data->cy - data->oy;
1639 grid_get_cell(s->grid, px, py, &gc);
1640 if (gc.data.size == 1 &&
1641 (~gc.flags & GRID_FLAG_PADDING) &&
1642 strchr(close, *gc.data.data) != NULL)
1643 window_copy_scroll_to(wme, sx, sy, 0);
1644 break;
1645 }
1646
1647 cp = strchr(open, found);
1648 }
1649 if (cp == NULL) {
1650 if (data->modekeys == MODEKEY_EMACS) {
1651 if (!tried && px <= xx) {
1652 px++;
1653 tried = 1;
1654 goto retry;
1655 }
1656 window_copy_cursor_next_word_end(wme, open, 0);
1657 continue;
1658 }
1659 /* For vi, continue searching for bracket until EOL. */
1660 if (px > xx) {
1661 if (py == yy)
1662 continue;
1663 gl = grid_get_line(s->grid, py);
1664 if (~gl->flags & GRID_LINE_WRAPPED)
1665 continue;
1666 if (gl->cellsize > s->grid->sx)
1667 continue;
1668 px = 0;
1669 py++;
1670 xx = window_copy_find_length(wme, py);
1671 } else
1672 px++;
1673 goto retry;
1674 }
1675 end = close[cp - open];
1676
1677 /* Walk forward until the matching bracket is reached. */
1678 n = 1;
1679 failed = 0;
1680 do {
1681 if (px > xx) {
1682 if (py == yy) {
1683 failed = 1;
1684 break;
1685 }
1686 px = 0;
1687 py++;
1688 xx = window_copy_find_length(wme, py);
1689 } else
1690 px++;
1691
1692 grid_get_cell(s->grid, px, py, &gc);
1693 if (gc.data.size == 1 &&
1694 (~gc.flags & GRID_FLAG_PADDING)) {
1695 if (*gc.data.data == found)
1696 n++;
1697 else if (*gc.data.data == end)
1698 n--;
1699 }
1700 } while (n != 0);
1701
1702 /* Move the cursor to the found location if any. */
1703 if (!failed)
1704 window_copy_scroll_to(wme, px, py, 0);
1705 }
1706
1707 return (WINDOW_COPY_CMD_NOTHING);
1708 }
1709
1710 static enum window_copy_cmd_action
window_copy_cmd_next_paragraph(struct window_copy_cmd_state * cs)1711 window_copy_cmd_next_paragraph(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_next_paragraph(wme);
1718 return (WINDOW_COPY_CMD_NOTHING);
1719 }
1720
1721 static enum window_copy_cmd_action
window_copy_cmd_next_space(struct window_copy_cmd_state * cs)1722 window_copy_cmd_next_space(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(wme, "");
1729 return (WINDOW_COPY_CMD_NOTHING);
1730 }
1731
1732 static enum window_copy_cmd_action
window_copy_cmd_next_space_end(struct window_copy_cmd_state * cs)1733 window_copy_cmd_next_space_end(struct window_copy_cmd_state *cs)
1734 {
1735 struct window_mode_entry *wme = cs->wme;
1736 u_int np = wme->prefix;
1737
1738 for (; np != 0; np--)
1739 window_copy_cursor_next_word_end(wme, "", 0);
1740 return (WINDOW_COPY_CMD_NOTHING);
1741 }
1742
1743 static enum window_copy_cmd_action
window_copy_cmd_next_word(struct window_copy_cmd_state * cs)1744 window_copy_cmd_next_word(struct window_copy_cmd_state *cs)
1745 {
1746 struct window_mode_entry *wme = cs->wme;
1747 u_int np = wme->prefix;
1748 const char *separators;
1749
1750 separators = options_get_string(cs->s->options, "word-separators");
1751
1752 for (; np != 0; np--)
1753 window_copy_cursor_next_word(wme, separators);
1754 return (WINDOW_COPY_CMD_NOTHING);
1755 }
1756
1757 static enum window_copy_cmd_action
window_copy_cmd_next_word_end(struct window_copy_cmd_state * cs)1758 window_copy_cmd_next_word_end(struct window_copy_cmd_state *cs)
1759 {
1760 struct window_mode_entry *wme = cs->wme;
1761 u_int np = wme->prefix;
1762 const char *separators;
1763
1764 separators = options_get_string(cs->s->options, "word-separators");
1765
1766 for (; np != 0; np--)
1767 window_copy_cursor_next_word_end(wme, separators, 0);
1768 return (WINDOW_COPY_CMD_NOTHING);
1769 }
1770
1771 static enum window_copy_cmd_action
window_copy_cmd_other_end(struct window_copy_cmd_state * cs)1772 window_copy_cmd_other_end(struct window_copy_cmd_state *cs)
1773 {
1774 struct window_mode_entry *wme = cs->wme;
1775 u_int np = wme->prefix;
1776 struct window_copy_mode_data *data = wme->data;
1777
1778 data->selflag = SEL_CHAR;
1779 if ((np % 2) != 0)
1780 window_copy_other_end(wme);
1781 return (WINDOW_COPY_CMD_NOTHING);
1782 }
1783
1784 static enum window_copy_cmd_action
window_copy_cmd_page_down(struct window_copy_cmd_state * cs)1785 window_copy_cmd_page_down(struct window_copy_cmd_state *cs)
1786 {
1787 struct window_mode_entry *wme = cs->wme;
1788 struct window_copy_mode_data *data = wme->data;
1789 u_int np = wme->prefix;
1790
1791 for (; np != 0; np--) {
1792 if (window_copy_pagedown(wme, 0, data->scroll_exit))
1793 return (WINDOW_COPY_CMD_CANCEL);
1794 }
1795 return (WINDOW_COPY_CMD_NOTHING);
1796 }
1797
1798 static enum window_copy_cmd_action
window_copy_cmd_page_down_and_cancel(struct window_copy_cmd_state * cs)1799 window_copy_cmd_page_down_and_cancel(struct window_copy_cmd_state *cs)
1800 {
1801 struct window_mode_entry *wme = cs->wme;
1802 u_int np = wme->prefix;
1803
1804 for (; np != 0; np--) {
1805 if (window_copy_pagedown(wme, 0, 1))
1806 return (WINDOW_COPY_CMD_CANCEL);
1807 }
1808 return (WINDOW_COPY_CMD_NOTHING);
1809 }
1810
1811 static enum window_copy_cmd_action
window_copy_cmd_page_up(struct window_copy_cmd_state * cs)1812 window_copy_cmd_page_up(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_pageup1(wme, 0);
1819 return (WINDOW_COPY_CMD_NOTHING);
1820 }
1821
1822 static enum window_copy_cmd_action
window_copy_cmd_previous_paragraph(struct window_copy_cmd_state * cs)1823 window_copy_cmd_previous_paragraph(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_previous_paragraph(wme);
1830 return (WINDOW_COPY_CMD_NOTHING);
1831 }
1832
1833 static enum window_copy_cmd_action
window_copy_cmd_previous_space(struct window_copy_cmd_state * cs)1834 window_copy_cmd_previous_space(struct window_copy_cmd_state *cs)
1835 {
1836 struct window_mode_entry *wme = cs->wme;
1837 u_int np = wme->prefix;
1838
1839 for (; np != 0; np--)
1840 window_copy_cursor_previous_word(wme, "", 1);
1841 return (WINDOW_COPY_CMD_NOTHING);
1842 }
1843
1844 static enum window_copy_cmd_action
window_copy_cmd_previous_word(struct window_copy_cmd_state * cs)1845 window_copy_cmd_previous_word(struct window_copy_cmd_state *cs)
1846 {
1847 struct window_mode_entry *wme = cs->wme;
1848 u_int np = wme->prefix;
1849 const char *separators;
1850
1851 separators = options_get_string(cs->s->options, "word-separators");
1852
1853 for (; np != 0; np--)
1854 window_copy_cursor_previous_word(wme, separators, 1);
1855 return (WINDOW_COPY_CMD_NOTHING);
1856 }
1857
1858 static enum window_copy_cmd_action
window_copy_cmd_rectangle_on(struct window_copy_cmd_state * cs)1859 window_copy_cmd_rectangle_on(struct window_copy_cmd_state *cs)
1860 {
1861 struct window_mode_entry *wme = cs->wme;
1862 struct window_copy_mode_data *data = wme->data;
1863
1864 data->lineflag = LINE_SEL_NONE;
1865 window_copy_rectangle_set(wme, 1);
1866
1867 return (WINDOW_COPY_CMD_NOTHING);
1868 }
1869
1870 static enum window_copy_cmd_action
window_copy_cmd_rectangle_off(struct window_copy_cmd_state * cs)1871 window_copy_cmd_rectangle_off(struct window_copy_cmd_state *cs)
1872 {
1873 struct window_mode_entry *wme = cs->wme;
1874 struct window_copy_mode_data *data = wme->data;
1875
1876 data->lineflag = LINE_SEL_NONE;
1877 window_copy_rectangle_set(wme, 0);
1878
1879 return (WINDOW_COPY_CMD_NOTHING);
1880 }
1881
1882 static enum window_copy_cmd_action
window_copy_cmd_rectangle_toggle(struct window_copy_cmd_state * cs)1883 window_copy_cmd_rectangle_toggle(struct window_copy_cmd_state *cs)
1884 {
1885 struct window_mode_entry *wme = cs->wme;
1886 struct window_copy_mode_data *data = wme->data;
1887
1888 data->lineflag = LINE_SEL_NONE;
1889 window_copy_rectangle_set(wme, !data->rectflag);
1890
1891 return (WINDOW_COPY_CMD_NOTHING);
1892 }
1893
1894 static enum window_copy_cmd_action
window_copy_cmd_scroll_down(struct window_copy_cmd_state * cs)1895 window_copy_cmd_scroll_down(struct window_copy_cmd_state *cs)
1896 {
1897 struct window_mode_entry *wme = cs->wme;
1898 struct window_copy_mode_data *data = wme->data;
1899 u_int np = wme->prefix;
1900
1901 for (; np != 0; np--)
1902 window_copy_cursor_down(wme, 1);
1903 if (data->scroll_exit && data->oy == 0)
1904 return (WINDOW_COPY_CMD_CANCEL);
1905 return (WINDOW_COPY_CMD_NOTHING);
1906 }
1907
1908 static enum window_copy_cmd_action
window_copy_cmd_scroll_down_and_cancel(struct window_copy_cmd_state * cs)1909 window_copy_cmd_scroll_down_and_cancel(struct window_copy_cmd_state *cs)
1910 {
1911 struct window_mode_entry *wme = cs->wme;
1912 struct window_copy_mode_data *data = wme->data;
1913 u_int np = wme->prefix;
1914
1915 for (; np != 0; np--)
1916 window_copy_cursor_down(wme, 1);
1917 if (data->oy == 0)
1918 return (WINDOW_COPY_CMD_CANCEL);
1919 return (WINDOW_COPY_CMD_NOTHING);
1920 }
1921
1922 static enum window_copy_cmd_action
window_copy_cmd_scroll_up(struct window_copy_cmd_state * cs)1923 window_copy_cmd_scroll_up(struct window_copy_cmd_state *cs)
1924 {
1925 struct window_mode_entry *wme = cs->wme;
1926 u_int np = wme->prefix;
1927
1928 for (; np != 0; np--)
1929 window_copy_cursor_up(wme, 1);
1930 return (WINDOW_COPY_CMD_NOTHING);
1931 }
1932
1933 static enum window_copy_cmd_action
window_copy_cmd_search_again(struct window_copy_cmd_state * cs)1934 window_copy_cmd_search_again(struct window_copy_cmd_state *cs)
1935 {
1936 struct window_mode_entry *wme = cs->wme;
1937 struct window_copy_mode_data *data = wme->data;
1938 u_int np = wme->prefix;
1939
1940 if (data->searchtype == WINDOW_COPY_SEARCHUP) {
1941 for (; np != 0; np--)
1942 window_copy_search_up(wme, data->searchregex);
1943 } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
1944 for (; np != 0; np--)
1945 window_copy_search_down(wme, data->searchregex);
1946 }
1947 return (WINDOW_COPY_CMD_NOTHING);
1948 }
1949
1950 static enum window_copy_cmd_action
window_copy_cmd_search_reverse(struct window_copy_cmd_state * cs)1951 window_copy_cmd_search_reverse(struct window_copy_cmd_state *cs)
1952 {
1953 struct window_mode_entry *wme = cs->wme;
1954 struct window_copy_mode_data *data = wme->data;
1955 u_int np = wme->prefix;
1956
1957 if (data->searchtype == WINDOW_COPY_SEARCHUP) {
1958 for (; np != 0; np--)
1959 window_copy_search_down(wme, data->searchregex);
1960 } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
1961 for (; np != 0; np--)
1962 window_copy_search_up(wme, data->searchregex);
1963 }
1964 return (WINDOW_COPY_CMD_NOTHING);
1965 }
1966
1967 static enum window_copy_cmd_action
window_copy_cmd_select_line(struct window_copy_cmd_state * cs)1968 window_copy_cmd_select_line(struct window_copy_cmd_state *cs)
1969 {
1970 struct window_mode_entry *wme = cs->wme;
1971 struct window_copy_mode_data *data = wme->data;
1972 u_int np = wme->prefix;
1973
1974 data->lineflag = LINE_SEL_LEFT_RIGHT;
1975 data->rectflag = 0;
1976 data->selflag = SEL_LINE;
1977 data->dx = data->cx;
1978 data->dy = screen_hsize(data->backing) + data->cy - data->oy;
1979
1980 window_copy_cursor_start_of_line(wme);
1981 data->selrx = data->cx;
1982 data->selry = screen_hsize(data->backing) + data->cy - data->oy;
1983 data->endselry = data->selry;
1984 window_copy_start_selection(wme);
1985 window_copy_cursor_end_of_line(wme);
1986 data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
1987 data->endselrx = window_copy_find_length(wme, data->endselry);
1988 for (; np > 1; np--) {
1989 window_copy_cursor_down(wme, 0);
1990 window_copy_cursor_end_of_line(wme);
1991 }
1992
1993 return (WINDOW_COPY_CMD_REDRAW);
1994 }
1995
1996 static enum window_copy_cmd_action
window_copy_cmd_select_word(struct window_copy_cmd_state * cs)1997 window_copy_cmd_select_word(struct window_copy_cmd_state *cs)
1998 {
1999 struct window_mode_entry *wme = cs->wme;
2000 struct options *session_options = cs->s->options;
2001 struct window_copy_mode_data *data = wme->data;
2002 u_int px, py, nextx, nexty;
2003
2004 data->lineflag = LINE_SEL_LEFT_RIGHT;
2005 data->rectflag = 0;
2006 data->selflag = SEL_WORD;
2007 data->dx = data->cx;
2008 data->dy = screen_hsize(data->backing) + data->cy - data->oy;
2009
2010 data->separators = options_get_string(session_options,
2011 "word-separators");
2012 window_copy_cursor_previous_word(wme, data->separators, 0);
2013 px = data->cx;
2014 py = screen_hsize(data->backing) + data->cy - data->oy;
2015 data->selrx = px;
2016 data->selry = py;
2017 window_copy_start_selection(wme);
2018
2019 /* Handle single character words. */
2020 nextx = px + 1;
2021 nexty = py;
2022 if (grid_get_line(data->backing->grid, nexty)->flags &
2023 GRID_LINE_WRAPPED && nextx > screen_size_x(data->backing) - 1) {
2024 nextx = 0;
2025 nexty++;
2026 }
2027 if (px >= window_copy_find_length(wme, py) ||
2028 !window_copy_in_set(wme, nextx, nexty, WHITESPACE))
2029 window_copy_cursor_next_word_end(wme, data->separators, 1);
2030 else {
2031 window_copy_update_cursor(wme, px, data->cy);
2032 if (window_copy_update_selection(wme, 1, 1))
2033 window_copy_redraw_lines(wme, data->cy, 1);
2034 }
2035 data->endselrx = data->cx;
2036 data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
2037 if (data->dy > data->endselry) {
2038 data->dy = data->endselry;
2039 data->dx = data->endselrx;
2040 } else if (data->dx > data->endselrx)
2041 data->dx = data->endselrx;
2042
2043 return (WINDOW_COPY_CMD_REDRAW);
2044 }
2045
2046 static enum window_copy_cmd_action
window_copy_cmd_set_mark(struct window_copy_cmd_state * cs)2047 window_copy_cmd_set_mark(struct window_copy_cmd_state *cs)
2048 {
2049 struct window_copy_mode_data *data = cs->wme->data;
2050
2051 data->mx = data->cx;
2052 data->my = screen_hsize(data->backing) + data->cy - data->oy;
2053 data->showmark = 1;
2054 return (WINDOW_COPY_CMD_REDRAW);
2055 }
2056
2057 static enum window_copy_cmd_action
window_copy_cmd_start_of_line(struct window_copy_cmd_state * cs)2058 window_copy_cmd_start_of_line(struct window_copy_cmd_state *cs)
2059 {
2060 struct window_mode_entry *wme = cs->wme;
2061
2062 window_copy_cursor_start_of_line(wme);
2063 return (WINDOW_COPY_CMD_NOTHING);
2064 }
2065
2066 static enum window_copy_cmd_action
window_copy_cmd_top_line(struct window_copy_cmd_state * cs)2067 window_copy_cmd_top_line(struct window_copy_cmd_state *cs)
2068 {
2069 struct window_mode_entry *wme = cs->wme;
2070 struct window_copy_mode_data *data = wme->data;
2071
2072 data->cx = 0;
2073 data->cy = 0;
2074
2075 window_copy_update_selection(wme, 1, 0);
2076 return (WINDOW_COPY_CMD_REDRAW);
2077 }
2078
2079 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_no_clear(struct window_copy_cmd_state * cs)2080 window_copy_cmd_copy_pipe_no_clear(struct window_copy_cmd_state *cs)
2081 {
2082 struct window_mode_entry *wme = cs->wme;
2083 struct client *c = cs->c;
2084 struct session *s = cs->s;
2085 struct winlink *wl = cs->wl;
2086 struct window_pane *wp = wme->wp;
2087 char *command = NULL, *prefix = NULL;
2088 const char *arg1 = args_string(cs->args, 1);
2089 const char *arg2 = args_string(cs->args, 2);
2090
2091 if (arg2 != NULL)
2092 prefix = format_single(NULL, arg2, c, s, wl, wp);
2093
2094 if (s != NULL && arg1 != NULL && *arg1 != '\0')
2095 command = format_single(NULL, arg1, c, s, wl, wp);
2096 window_copy_copy_pipe(wme, s, prefix, command);
2097 free(command);
2098
2099 free(prefix);
2100 return (WINDOW_COPY_CMD_NOTHING);
2101 }
2102
2103 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe(struct window_copy_cmd_state * cs)2104 window_copy_cmd_copy_pipe(struct window_copy_cmd_state *cs)
2105 {
2106 struct window_mode_entry *wme = cs->wme;
2107
2108 window_copy_cmd_copy_pipe_no_clear(cs);
2109 window_copy_clear_selection(wme);
2110 return (WINDOW_COPY_CMD_REDRAW);
2111 }
2112
2113 static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_and_cancel(struct window_copy_cmd_state * cs)2114 window_copy_cmd_copy_pipe_and_cancel(struct window_copy_cmd_state *cs)
2115 {
2116 struct window_mode_entry *wme = cs->wme;
2117
2118 window_copy_cmd_copy_pipe_no_clear(cs);
2119 window_copy_clear_selection(wme);
2120 return (WINDOW_COPY_CMD_CANCEL);
2121 }
2122
2123 static enum window_copy_cmd_action
window_copy_cmd_pipe_no_clear(struct window_copy_cmd_state * cs)2124 window_copy_cmd_pipe_no_clear(struct window_copy_cmd_state *cs)
2125 {
2126 struct window_mode_entry *wme = cs->wme;
2127 struct client *c = cs->c;
2128 struct session *s = cs->s;
2129 struct winlink *wl = cs->wl;
2130 struct window_pane *wp = wme->wp;
2131 char *command = NULL;
2132 const char *arg1 = args_string(cs->args, 1);
2133
2134 if (s != NULL && arg1 != NULL && *arg1 != '\0')
2135 command = format_single(NULL, arg1, c, s, wl, wp);
2136 window_copy_pipe(wme, s, command);
2137 free(command);
2138
2139 return (WINDOW_COPY_CMD_NOTHING);
2140 }
2141
2142 static enum window_copy_cmd_action
window_copy_cmd_pipe(struct window_copy_cmd_state * cs)2143 window_copy_cmd_pipe(struct window_copy_cmd_state *cs)
2144 {
2145 struct window_mode_entry *wme = cs->wme;
2146
2147 window_copy_cmd_pipe_no_clear(cs);
2148 window_copy_clear_selection(wme);
2149 return (WINDOW_COPY_CMD_REDRAW);
2150 }
2151
2152 static enum window_copy_cmd_action
window_copy_cmd_pipe_and_cancel(struct window_copy_cmd_state * cs)2153 window_copy_cmd_pipe_and_cancel(struct window_copy_cmd_state *cs)
2154 {
2155 struct window_mode_entry *wme = cs->wme;
2156
2157 window_copy_cmd_pipe_no_clear(cs);
2158 window_copy_clear_selection(wme);
2159 return (WINDOW_COPY_CMD_CANCEL);
2160 }
2161
2162 static enum window_copy_cmd_action
window_copy_cmd_goto_line(struct window_copy_cmd_state * cs)2163 window_copy_cmd_goto_line(struct window_copy_cmd_state *cs)
2164 {
2165 struct window_mode_entry *wme = cs->wme;
2166 const char *arg1 = args_string(cs->args, 1);
2167
2168 if (*arg1 != '\0')
2169 window_copy_goto_line(wme, arg1);
2170 return (WINDOW_COPY_CMD_NOTHING);
2171 }
2172
2173 static enum window_copy_cmd_action
window_copy_cmd_jump_backward(struct window_copy_cmd_state * cs)2174 window_copy_cmd_jump_backward(struct window_copy_cmd_state *cs)
2175 {
2176 struct window_mode_entry *wme = cs->wme;
2177 struct window_copy_mode_data *data = wme->data;
2178 u_int np = wme->prefix;
2179 const char *arg1 = args_string(cs->args, 1);
2180
2181 if (*arg1 != '\0') {
2182 data->jumptype = WINDOW_COPY_JUMPBACKWARD;
2183 free(data->jumpchar);
2184 data->jumpchar = utf8_fromcstr(arg1);
2185 for (; np != 0; np--)
2186 window_copy_cursor_jump_back(wme);
2187 }
2188 return (WINDOW_COPY_CMD_NOTHING);
2189 }
2190
2191 static enum window_copy_cmd_action
window_copy_cmd_jump_forward(struct window_copy_cmd_state * cs)2192 window_copy_cmd_jump_forward(struct window_copy_cmd_state *cs)
2193 {
2194 struct window_mode_entry *wme = cs->wme;
2195 struct window_copy_mode_data *data = wme->data;
2196 u_int np = wme->prefix;
2197 const char *arg1 = args_string(cs->args, 1);
2198
2199 if (*arg1 != '\0') {
2200 data->jumptype = WINDOW_COPY_JUMPFORWARD;
2201 free(data->jumpchar);
2202 data->jumpchar = utf8_fromcstr(arg1);
2203 for (; np != 0; np--)
2204 window_copy_cursor_jump(wme);
2205 }
2206 return (WINDOW_COPY_CMD_NOTHING);
2207 }
2208
2209 static enum window_copy_cmd_action
window_copy_cmd_jump_to_backward(struct window_copy_cmd_state * cs)2210 window_copy_cmd_jump_to_backward(struct window_copy_cmd_state *cs)
2211 {
2212 struct window_mode_entry *wme = cs->wme;
2213 struct window_copy_mode_data *data = wme->data;
2214 u_int np = wme->prefix;
2215 const char *arg1 = args_string(cs->args, 1);
2216
2217 if (*arg1 != '\0') {
2218 data->jumptype = WINDOW_COPY_JUMPTOBACKWARD;
2219 free(data->jumpchar);
2220 data->jumpchar = utf8_fromcstr(arg1);
2221 for (; np != 0; np--)
2222 window_copy_cursor_jump_to_back(wme);
2223 }
2224 return (WINDOW_COPY_CMD_NOTHING);
2225 }
2226
2227 static enum window_copy_cmd_action
window_copy_cmd_jump_to_forward(struct window_copy_cmd_state * cs)2228 window_copy_cmd_jump_to_forward(struct window_copy_cmd_state *cs)
2229 {
2230 struct window_mode_entry *wme = cs->wme;
2231 struct window_copy_mode_data *data = wme->data;
2232 u_int np = wme->prefix;
2233 const char *arg1 = args_string(cs->args, 1);
2234
2235 if (*arg1 != '\0') {
2236 data->jumptype = WINDOW_COPY_JUMPTOFORWARD;
2237 free(data->jumpchar);
2238 data->jumpchar = utf8_fromcstr(arg1);
2239 for (; np != 0; np--)
2240 window_copy_cursor_jump_to(wme);
2241 }
2242 return (WINDOW_COPY_CMD_NOTHING);
2243 }
2244
2245 static enum window_copy_cmd_action
window_copy_cmd_jump_to_mark(struct window_copy_cmd_state * cs)2246 window_copy_cmd_jump_to_mark(struct window_copy_cmd_state *cs)
2247 {
2248 struct window_mode_entry *wme = cs->wme;
2249
2250 window_copy_jump_to_mark(wme);
2251 return (WINDOW_COPY_CMD_NOTHING);
2252 }
2253
2254 static enum window_copy_cmd_action
window_copy_cmd_next_prompt(struct window_copy_cmd_state * cs)2255 window_copy_cmd_next_prompt(struct window_copy_cmd_state *cs)
2256 {
2257 struct window_mode_entry *wme = cs->wme;
2258 const char *arg1 = args_string(cs->args, 1);
2259
2260 window_copy_cursor_prompt(wme, 1, arg1);
2261 return (WINDOW_COPY_CMD_NOTHING);
2262 }
2263
2264 static enum window_copy_cmd_action
window_copy_cmd_previous_prompt(struct window_copy_cmd_state * cs)2265 window_copy_cmd_previous_prompt(struct window_copy_cmd_state *cs)
2266 {
2267 struct window_mode_entry *wme = cs->wme;
2268 const char *arg1 = args_string(cs->args, 1);
2269
2270 window_copy_cursor_prompt(wme, 0, arg1);
2271 return (WINDOW_COPY_CMD_NOTHING);
2272 }
2273
2274 static enum window_copy_cmd_action
window_copy_cmd_search_backward(struct window_copy_cmd_state * cs)2275 window_copy_cmd_search_backward(struct window_copy_cmd_state *cs)
2276 {
2277 struct window_mode_entry *wme = cs->wme;
2278 struct window_copy_mode_data *data = wme->data;
2279 u_int np = wme->prefix;
2280
2281 if (!window_copy_expand_search_string(cs))
2282 return (WINDOW_COPY_CMD_NOTHING);
2283
2284 if (data->searchstr != NULL) {
2285 data->searchtype = WINDOW_COPY_SEARCHUP;
2286 data->searchregex = 1;
2287 data->timeout = 0;
2288 for (; np != 0; np--)
2289 window_copy_search_up(wme, 1);
2290 }
2291 return (WINDOW_COPY_CMD_NOTHING);
2292 }
2293
2294 static enum window_copy_cmd_action
window_copy_cmd_search_backward_text(struct window_copy_cmd_state * cs)2295 window_copy_cmd_search_backward_text(struct window_copy_cmd_state *cs)
2296 {
2297 struct window_mode_entry *wme = cs->wme;
2298 struct window_copy_mode_data *data = wme->data;
2299 u_int np = wme->prefix;
2300
2301 if (!window_copy_expand_search_string(cs))
2302 return (WINDOW_COPY_CMD_NOTHING);
2303
2304 if (data->searchstr != NULL) {
2305 data->searchtype = WINDOW_COPY_SEARCHUP;
2306 data->searchregex = 0;
2307 data->timeout = 0;
2308 for (; np != 0; np--)
2309 window_copy_search_up(wme, 0);
2310 }
2311 return (WINDOW_COPY_CMD_NOTHING);
2312 }
2313
2314 static enum window_copy_cmd_action
window_copy_cmd_search_forward(struct window_copy_cmd_state * cs)2315 window_copy_cmd_search_forward(struct window_copy_cmd_state *cs)
2316 {
2317 struct window_mode_entry *wme = cs->wme;
2318 struct window_copy_mode_data *data = wme->data;
2319 u_int np = wme->prefix;
2320
2321 if (!window_copy_expand_search_string(cs))
2322 return (WINDOW_COPY_CMD_NOTHING);
2323
2324 if (data->searchstr != NULL) {
2325 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2326 data->searchregex = 1;
2327 data->timeout = 0;
2328 for (; np != 0; np--)
2329 window_copy_search_down(wme, 1);
2330 }
2331 return (WINDOW_COPY_CMD_NOTHING);
2332 }
2333
2334 static enum window_copy_cmd_action
window_copy_cmd_search_forward_text(struct window_copy_cmd_state * cs)2335 window_copy_cmd_search_forward_text(struct window_copy_cmd_state *cs)
2336 {
2337 struct window_mode_entry *wme = cs->wme;
2338 struct window_copy_mode_data *data = wme->data;
2339 u_int np = wme->prefix;
2340
2341 if (!window_copy_expand_search_string(cs))
2342 return (WINDOW_COPY_CMD_NOTHING);
2343
2344 if (data->searchstr != NULL) {
2345 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2346 data->searchregex = 0;
2347 data->timeout = 0;
2348 for (; np != 0; np--)
2349 window_copy_search_down(wme, 0);
2350 }
2351 return (WINDOW_COPY_CMD_NOTHING);
2352 }
2353
2354 static enum window_copy_cmd_action
window_copy_cmd_search_backward_incremental(struct window_copy_cmd_state * cs)2355 window_copy_cmd_search_backward_incremental(struct window_copy_cmd_state *cs)
2356 {
2357 struct window_mode_entry *wme = cs->wme;
2358 struct window_copy_mode_data *data = wme->data;
2359 const char *arg1 = args_string(cs->args, 1);
2360 const char *ss = data->searchstr;
2361 char prefix;
2362 enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
2363
2364 data->timeout = 0;
2365
2366 log_debug("%s: %s", __func__, arg1);
2367
2368 prefix = *arg1++;
2369 if (data->searchx == -1 || data->searchy == -1) {
2370 data->searchx = data->cx;
2371 data->searchy = data->cy;
2372 data->searcho = data->oy;
2373 } else if (ss != NULL && strcmp(arg1, ss) != 0) {
2374 data->cx = data->searchx;
2375 data->cy = data->searchy;
2376 data->oy = data->searcho;
2377 action = WINDOW_COPY_CMD_REDRAW;
2378 }
2379 if (*arg1 == '\0') {
2380 window_copy_clear_marks(wme);
2381 return (WINDOW_COPY_CMD_REDRAW);
2382 }
2383 switch (prefix) {
2384 case '=':
2385 case '-':
2386 data->searchtype = WINDOW_COPY_SEARCHUP;
2387 data->searchregex = 0;
2388 free(data->searchstr);
2389 data->searchstr = xstrdup(arg1);
2390 if (!window_copy_search_up(wme, 0)) {
2391 window_copy_clear_marks(wme);
2392 return (WINDOW_COPY_CMD_REDRAW);
2393 }
2394 break;
2395 case '+':
2396 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2397 data->searchregex = 0;
2398 free(data->searchstr);
2399 data->searchstr = xstrdup(arg1);
2400 if (!window_copy_search_down(wme, 0)) {
2401 window_copy_clear_marks(wme);
2402 return (WINDOW_COPY_CMD_REDRAW);
2403 }
2404 break;
2405 }
2406 return (action);
2407 }
2408
2409 static enum window_copy_cmd_action
window_copy_cmd_search_forward_incremental(struct window_copy_cmd_state * cs)2410 window_copy_cmd_search_forward_incremental(struct window_copy_cmd_state *cs)
2411 {
2412 struct window_mode_entry *wme = cs->wme;
2413 struct window_copy_mode_data *data = wme->data;
2414 const char *arg1 = args_string(cs->args, 1);
2415 const char *ss = data->searchstr;
2416 char prefix;
2417 enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
2418
2419 data->timeout = 0;
2420
2421 log_debug("%s: %s", __func__, arg1);
2422
2423 prefix = *arg1++;
2424 if (data->searchx == -1 || data->searchy == -1) {
2425 data->searchx = data->cx;
2426 data->searchy = data->cy;
2427 data->searcho = data->oy;
2428 } else if (ss != NULL && strcmp(arg1, ss) != 0) {
2429 data->cx = data->searchx;
2430 data->cy = data->searchy;
2431 data->oy = data->searcho;
2432 action = WINDOW_COPY_CMD_REDRAW;
2433 }
2434 if (*arg1 == '\0') {
2435 window_copy_clear_marks(wme);
2436 return (WINDOW_COPY_CMD_REDRAW);
2437 }
2438 switch (prefix) {
2439 case '=':
2440 case '+':
2441 data->searchtype = WINDOW_COPY_SEARCHDOWN;
2442 data->searchregex = 0;
2443 free(data->searchstr);
2444 data->searchstr = xstrdup(arg1);
2445 if (!window_copy_search_down(wme, 0)) {
2446 window_copy_clear_marks(wme);
2447 return (WINDOW_COPY_CMD_REDRAW);
2448 }
2449 break;
2450 case '-':
2451 data->searchtype = WINDOW_COPY_SEARCHUP;
2452 data->searchregex = 0;
2453 free(data->searchstr);
2454 data->searchstr = xstrdup(arg1);
2455 if (!window_copy_search_up(wme, 0)) {
2456 window_copy_clear_marks(wme);
2457 return (WINDOW_COPY_CMD_REDRAW);
2458 }
2459 }
2460 return (action);
2461 }
2462
2463 static enum window_copy_cmd_action
window_copy_cmd_refresh_from_pane(struct window_copy_cmd_state * cs)2464 window_copy_cmd_refresh_from_pane(struct window_copy_cmd_state *cs)
2465 {
2466 struct window_mode_entry *wme = cs->wme;
2467 struct window_pane *wp = wme->swp;
2468 struct window_copy_mode_data *data = wme->data;
2469
2470 if (data->viewmode)
2471 return (WINDOW_COPY_CMD_NOTHING);
2472
2473 screen_free(data->backing);
2474 free(data->backing);
2475 data->backing = window_copy_clone_screen(&wp->base, &data->screen, NULL, NULL, wme->swp != wme->wp);
2476
2477 window_copy_size_changed(wme);
2478 return (WINDOW_COPY_CMD_REDRAW);
2479 }
2480
2481 static const struct {
2482 const char *command;
2483 u_int minargs;
2484 u_int maxargs;
2485 enum window_copy_cmd_clear clear;
2486 enum window_copy_cmd_action (*f)(struct window_copy_cmd_state *);
2487 } window_copy_cmd_table[] = {
2488 { .command = "append-selection",
2489 .minargs = 0,
2490 .maxargs = 0,
2491 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2492 .f = window_copy_cmd_append_selection
2493 },
2494 { .command = "append-selection-and-cancel",
2495 .minargs = 0,
2496 .maxargs = 0,
2497 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2498 .f = window_copy_cmd_append_selection_and_cancel
2499 },
2500 { .command = "back-to-indentation",
2501 .minargs = 0,
2502 .maxargs = 0,
2503 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2504 .f = window_copy_cmd_back_to_indentation
2505 },
2506 { .command = "begin-selection",
2507 .minargs = 0,
2508 .maxargs = 0,
2509 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2510 .f = window_copy_cmd_begin_selection
2511 },
2512 { .command = "bottom-line",
2513 .minargs = 0,
2514 .maxargs = 0,
2515 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2516 .f = window_copy_cmd_bottom_line
2517 },
2518 { .command = "cancel",
2519 .minargs = 0,
2520 .maxargs = 0,
2521 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2522 .f = window_copy_cmd_cancel
2523 },
2524 { .command = "clear-selection",
2525 .minargs = 0,
2526 .maxargs = 0,
2527 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2528 .f = window_copy_cmd_clear_selection
2529 },
2530 { .command = "copy-end-of-line",
2531 .minargs = 0,
2532 .maxargs = 1,
2533 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2534 .f = window_copy_cmd_copy_end_of_line
2535 },
2536 { .command = "copy-end-of-line-and-cancel",
2537 .minargs = 0,
2538 .maxargs = 1,
2539 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2540 .f = window_copy_cmd_copy_end_of_line_and_cancel
2541 },
2542 { .command = "copy-pipe-end-of-line",
2543 .minargs = 0,
2544 .maxargs = 2,
2545 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2546 .f = window_copy_cmd_copy_pipe_end_of_line
2547 },
2548 { .command = "copy-pipe-end-of-line-and-cancel",
2549 .minargs = 0,
2550 .maxargs = 2,
2551 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2552 .f = window_copy_cmd_copy_pipe_end_of_line_and_cancel
2553 },
2554 { .command = "copy-line",
2555 .minargs = 0,
2556 .maxargs = 1,
2557 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2558 .f = window_copy_cmd_copy_line
2559 },
2560 { .command = "copy-line-and-cancel",
2561 .minargs = 0,
2562 .maxargs = 1,
2563 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2564 .f = window_copy_cmd_copy_line_and_cancel
2565 },
2566 { .command = "copy-pipe-line",
2567 .minargs = 0,
2568 .maxargs = 2,
2569 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2570 .f = window_copy_cmd_copy_pipe_line
2571 },
2572 { .command = "copy-pipe-line-and-cancel",
2573 .minargs = 0,
2574 .maxargs = 2,
2575 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2576 .f = window_copy_cmd_copy_pipe_line_and_cancel
2577 },
2578 { .command = "copy-pipe-no-clear",
2579 .minargs = 0,
2580 .maxargs = 2,
2581 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2582 .f = window_copy_cmd_copy_pipe_no_clear
2583 },
2584 { .command = "copy-pipe",
2585 .minargs = 0,
2586 .maxargs = 2,
2587 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2588 .f = window_copy_cmd_copy_pipe
2589 },
2590 { .command = "copy-pipe-and-cancel",
2591 .minargs = 0,
2592 .maxargs = 2,
2593 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2594 .f = window_copy_cmd_copy_pipe_and_cancel
2595 },
2596 { .command = "copy-selection-no-clear",
2597 .minargs = 0,
2598 .maxargs = 1,
2599 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2600 .f = window_copy_cmd_copy_selection_no_clear
2601 },
2602 { .command = "copy-selection",
2603 .minargs = 0,
2604 .maxargs = 1,
2605 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2606 .f = window_copy_cmd_copy_selection
2607 },
2608 { .command = "copy-selection-and-cancel",
2609 .minargs = 0,
2610 .maxargs = 1,
2611 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2612 .f = window_copy_cmd_copy_selection_and_cancel
2613 },
2614 { .command = "cursor-down",
2615 .minargs = 0,
2616 .maxargs = 0,
2617 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2618 .f = window_copy_cmd_cursor_down
2619 },
2620 { .command = "cursor-down-and-cancel",
2621 .minargs = 0,
2622 .maxargs = 0,
2623 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2624 .f = window_copy_cmd_cursor_down_and_cancel
2625 },
2626 { .command = "cursor-left",
2627 .minargs = 0,
2628 .maxargs = 0,
2629 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2630 .f = window_copy_cmd_cursor_left
2631 },
2632 { .command = "cursor-right",
2633 .minargs = 0,
2634 .maxargs = 0,
2635 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2636 .f = window_copy_cmd_cursor_right
2637 },
2638 { .command = "cursor-up",
2639 .minargs = 0,
2640 .maxargs = 0,
2641 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2642 .f = window_copy_cmd_cursor_up
2643 },
2644 { .command = "end-of-line",
2645 .minargs = 0,
2646 .maxargs = 0,
2647 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2648 .f = window_copy_cmd_end_of_line
2649 },
2650 { .command = "goto-line",
2651 .minargs = 1,
2652 .maxargs = 1,
2653 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2654 .f = window_copy_cmd_goto_line
2655 },
2656 { .command = "halfpage-down",
2657 .minargs = 0,
2658 .maxargs = 0,
2659 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2660 .f = window_copy_cmd_halfpage_down
2661 },
2662 { .command = "halfpage-down-and-cancel",
2663 .minargs = 0,
2664 .maxargs = 0,
2665 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2666 .f = window_copy_cmd_halfpage_down_and_cancel
2667 },
2668 { .command = "halfpage-up",
2669 .minargs = 0,
2670 .maxargs = 0,
2671 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2672 .f = window_copy_cmd_halfpage_up
2673 },
2674 { .command = "history-bottom",
2675 .minargs = 0,
2676 .maxargs = 0,
2677 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2678 .f = window_copy_cmd_history_bottom
2679 },
2680 { .command = "history-top",
2681 .minargs = 0,
2682 .maxargs = 0,
2683 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2684 .f = window_copy_cmd_history_top
2685 },
2686 { .command = "jump-again",
2687 .minargs = 0,
2688 .maxargs = 0,
2689 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2690 .f = window_copy_cmd_jump_again
2691 },
2692 { .command = "jump-backward",
2693 .minargs = 1,
2694 .maxargs = 1,
2695 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2696 .f = window_copy_cmd_jump_backward
2697 },
2698 { .command = "jump-forward",
2699 .minargs = 1,
2700 .maxargs = 1,
2701 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2702 .f = window_copy_cmd_jump_forward
2703 },
2704 { .command = "jump-reverse",
2705 .minargs = 0,
2706 .maxargs = 0,
2707 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2708 .f = window_copy_cmd_jump_reverse
2709 },
2710 { .command = "jump-to-backward",
2711 .minargs = 1,
2712 .maxargs = 1,
2713 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2714 .f = window_copy_cmd_jump_to_backward
2715 },
2716 { .command = "jump-to-forward",
2717 .minargs = 1,
2718 .maxargs = 1,
2719 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2720 .f = window_copy_cmd_jump_to_forward
2721 },
2722 { .command = "jump-to-mark",
2723 .minargs = 0,
2724 .maxargs = 0,
2725 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2726 .f = window_copy_cmd_jump_to_mark
2727 },
2728 { .command = "next-prompt",
2729 .minargs = 0,
2730 .maxargs = 1,
2731 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2732 .f = window_copy_cmd_next_prompt
2733 },
2734 { .command = "previous-prompt",
2735 .minargs = 0,
2736 .maxargs = 1,
2737 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2738 .f = window_copy_cmd_previous_prompt
2739 },
2740 { .command = "middle-line",
2741 .minargs = 0,
2742 .maxargs = 0,
2743 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2744 .f = window_copy_cmd_middle_line
2745 },
2746 { .command = "next-matching-bracket",
2747 .minargs = 0,
2748 .maxargs = 0,
2749 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2750 .f = window_copy_cmd_next_matching_bracket
2751 },
2752 { .command = "next-paragraph",
2753 .minargs = 0,
2754 .maxargs = 0,
2755 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2756 .f = window_copy_cmd_next_paragraph
2757 },
2758 { .command = "next-space",
2759 .minargs = 0,
2760 .maxargs = 0,
2761 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2762 .f = window_copy_cmd_next_space
2763 },
2764 { .command = "next-space-end",
2765 .minargs = 0,
2766 .maxargs = 0,
2767 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2768 .f = window_copy_cmd_next_space_end
2769 },
2770 { .command = "next-word",
2771 .minargs = 0,
2772 .maxargs = 0,
2773 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2774 .f = window_copy_cmd_next_word
2775 },
2776 { .command = "next-word-end",
2777 .minargs = 0,
2778 .maxargs = 0,
2779 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2780 .f = window_copy_cmd_next_word_end
2781 },
2782 { .command = "other-end",
2783 .minargs = 0,
2784 .maxargs = 0,
2785 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2786 .f = window_copy_cmd_other_end
2787 },
2788 { .command = "page-down",
2789 .minargs = 0,
2790 .maxargs = 0,
2791 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2792 .f = window_copy_cmd_page_down
2793 },
2794 { .command = "page-down-and-cancel",
2795 .minargs = 0,
2796 .maxargs = 0,
2797 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2798 .f = window_copy_cmd_page_down_and_cancel
2799 },
2800 { .command = "page-up",
2801 .minargs = 0,
2802 .maxargs = 0,
2803 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2804 .f = window_copy_cmd_page_up
2805 },
2806 { .command = "pipe-no-clear",
2807 .minargs = 0,
2808 .maxargs = 1,
2809 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2810 .f = window_copy_cmd_pipe_no_clear
2811 },
2812 { .command = "pipe",
2813 .minargs = 0,
2814 .maxargs = 1,
2815 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2816 .f = window_copy_cmd_pipe
2817 },
2818 { .command = "pipe-and-cancel",
2819 .minargs = 0,
2820 .maxargs = 1,
2821 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2822 .f = window_copy_cmd_pipe_and_cancel
2823 },
2824 { .command = "previous-matching-bracket",
2825 .minargs = 0,
2826 .maxargs = 0,
2827 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2828 .f = window_copy_cmd_previous_matching_bracket
2829 },
2830 { .command = "previous-paragraph",
2831 .minargs = 0,
2832 .maxargs = 0,
2833 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2834 .f = window_copy_cmd_previous_paragraph
2835 },
2836 { .command = "previous-space",
2837 .minargs = 0,
2838 .maxargs = 0,
2839 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2840 .f = window_copy_cmd_previous_space
2841 },
2842 { .command = "previous-word",
2843 .minargs = 0,
2844 .maxargs = 0,
2845 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2846 .f = window_copy_cmd_previous_word
2847 },
2848 { .command = "rectangle-on",
2849 .minargs = 0,
2850 .maxargs = 0,
2851 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2852 .f = window_copy_cmd_rectangle_on
2853 },
2854 { .command = "rectangle-off",
2855 .minargs = 0,
2856 .maxargs = 0,
2857 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2858 .f = window_copy_cmd_rectangle_off
2859 },
2860 { .command = "rectangle-toggle",
2861 .minargs = 0,
2862 .maxargs = 0,
2863 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2864 .f = window_copy_cmd_rectangle_toggle
2865 },
2866 { .command = "refresh-from-pane",
2867 .minargs = 0,
2868 .maxargs = 0,
2869 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2870 .f = window_copy_cmd_refresh_from_pane
2871 },
2872 { .command = "scroll-bottom",
2873 .minargs = 0,
2874 .maxargs = 0,
2875 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2876 .f = window_copy_cmd_scroll_bottom
2877 },
2878 { .command = "scroll-down",
2879 .minargs = 0,
2880 .maxargs = 0,
2881 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2882 .f = window_copy_cmd_scroll_down
2883 },
2884 { .command = "scroll-down-and-cancel",
2885 .minargs = 0,
2886 .maxargs = 0,
2887 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2888 .f = window_copy_cmd_scroll_down_and_cancel
2889 },
2890 { .command = "scroll-middle",
2891 .minargs = 0,
2892 .maxargs = 0,
2893 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2894 .f = window_copy_cmd_scroll_middle
2895 },
2896 { .command = "scroll-top",
2897 .minargs = 0,
2898 .maxargs = 0,
2899 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2900 .f = window_copy_cmd_scroll_top
2901 },
2902 { .command = "scroll-up",
2903 .minargs = 0,
2904 .maxargs = 0,
2905 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2906 .f = window_copy_cmd_scroll_up
2907 },
2908 { .command = "search-again",
2909 .minargs = 0,
2910 .maxargs = 0,
2911 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2912 .f = window_copy_cmd_search_again
2913 },
2914 { .command = "search-backward",
2915 .minargs = 0,
2916 .maxargs = 1,
2917 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2918 .f = window_copy_cmd_search_backward
2919 },
2920 { .command = "search-backward-text",
2921 .minargs = 0,
2922 .maxargs = 1,
2923 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2924 .f = window_copy_cmd_search_backward_text
2925 },
2926 { .command = "search-backward-incremental",
2927 .minargs = 1,
2928 .maxargs = 1,
2929 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2930 .f = window_copy_cmd_search_backward_incremental
2931 },
2932 { .command = "search-forward",
2933 .minargs = 0,
2934 .maxargs = 1,
2935 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2936 .f = window_copy_cmd_search_forward
2937 },
2938 { .command = "search-forward-text",
2939 .minargs = 0,
2940 .maxargs = 1,
2941 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2942 .f = window_copy_cmd_search_forward_text
2943 },
2944 { .command = "search-forward-incremental",
2945 .minargs = 1,
2946 .maxargs = 1,
2947 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2948 .f = window_copy_cmd_search_forward_incremental
2949 },
2950 { .command = "search-reverse",
2951 .minargs = 0,
2952 .maxargs = 0,
2953 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2954 .f = window_copy_cmd_search_reverse
2955 },
2956 { .command = "select-line",
2957 .minargs = 0,
2958 .maxargs = 0,
2959 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2960 .f = window_copy_cmd_select_line
2961 },
2962 { .command = "select-word",
2963 .minargs = 0,
2964 .maxargs = 0,
2965 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2966 .f = window_copy_cmd_select_word
2967 },
2968 { .command = "set-mark",
2969 .minargs = 0,
2970 .maxargs = 0,
2971 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2972 .f = window_copy_cmd_set_mark
2973 },
2974 { .command = "start-of-line",
2975 .minargs = 0,
2976 .maxargs = 0,
2977 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2978 .f = window_copy_cmd_start_of_line
2979 },
2980 { .command = "stop-selection",
2981 .minargs = 0,
2982 .maxargs = 0,
2983 .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
2984 .f = window_copy_cmd_stop_selection
2985 },
2986 { .command = "toggle-position",
2987 .minargs = 0,
2988 .maxargs = 0,
2989 .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
2990 .f = window_copy_cmd_toggle_position
2991 },
2992 { .command = "top-line",
2993 .minargs = 0,
2994 .maxargs = 0,
2995 .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
2996 .f = window_copy_cmd_top_line
2997 }
2998 };
2999
3000 static void
window_copy_command(struct window_mode_entry * wme,struct client * c,struct session * s,struct winlink * wl,struct args * args,struct mouse_event * m)3001 window_copy_command(struct window_mode_entry *wme, struct client *c,
3002 struct session *s, struct winlink *wl, struct args *args,
3003 struct mouse_event *m)
3004 {
3005 struct window_copy_mode_data *data = wme->data;
3006 struct window_copy_cmd_state cs;
3007 enum window_copy_cmd_action action;
3008 enum window_copy_cmd_clear clear = WINDOW_COPY_CMD_CLEAR_NEVER;
3009 const char *command;
3010 u_int i, count = args_count(args);
3011 int keys;
3012
3013 if (count == 0)
3014 return;
3015 command = args_string(args, 0);
3016
3017 if (m != NULL && m->valid && !MOUSE_WHEEL(m->b))
3018 window_copy_move_mouse(m);
3019
3020 cs.wme = wme;
3021 cs.args = args;
3022 cs.m = m;
3023
3024 cs.c = c;
3025 cs.s = s;
3026 cs.wl = wl;
3027
3028 action = WINDOW_COPY_CMD_NOTHING;
3029 for (i = 0; i < nitems(window_copy_cmd_table); i++) {
3030 if (strcmp(window_copy_cmd_table[i].command, command) == 0) {
3031 if (count - 1 < window_copy_cmd_table[i].minargs ||
3032 count - 1 > window_copy_cmd_table[i].maxargs)
3033 break;
3034 clear = window_copy_cmd_table[i].clear;
3035 action = window_copy_cmd_table[i].f(&cs);
3036 break;
3037 }
3038 }
3039
3040 if (strncmp(command, "search-", 7) != 0 && data->searchmark != NULL) {
3041 keys = options_get_number(wme->wp->window->options, "mode-keys");
3042 if (clear == WINDOW_COPY_CMD_CLEAR_EMACS_ONLY &&
3043 keys == MODEKEY_VI)
3044 clear = WINDOW_COPY_CMD_CLEAR_NEVER;
3045 if (clear != WINDOW_COPY_CMD_CLEAR_NEVER) {
3046 window_copy_clear_marks(wme);
3047 data->searchx = data->searchy = -1;
3048 }
3049 if (action == WINDOW_COPY_CMD_NOTHING)
3050 action = WINDOW_COPY_CMD_REDRAW;
3051 }
3052 wme->prefix = 1;
3053
3054 if (action == WINDOW_COPY_CMD_CANCEL)
3055 window_pane_reset_mode(wme->wp);
3056 else if (action == WINDOW_COPY_CMD_REDRAW)
3057 window_copy_redraw_screen(wme);
3058 }
3059
3060 static void
window_copy_scroll_to(struct window_mode_entry * wme,u_int px,u_int py,int no_redraw)3061 window_copy_scroll_to(struct window_mode_entry *wme, u_int px, u_int py,
3062 int no_redraw)
3063 {
3064 struct window_copy_mode_data *data = wme->data;
3065 struct grid *gd = data->backing->grid;
3066 u_int offset, gap;
3067
3068 data->cx = px;
3069
3070 if (py >= gd->hsize - data->oy && py < gd->hsize - data->oy + gd->sy)
3071 data->cy = py - (gd->hsize - data->oy);
3072 else {
3073 gap = gd->sy / 4;
3074 if (py < gd->sy) {
3075 offset = 0;
3076 data->cy = py;
3077 } else if (py > gd->hsize + gd->sy - gap) {
3078 offset = gd->hsize;
3079 data->cy = py - gd->hsize;
3080 } else {
3081 offset = py + gap - gd->sy;
3082 data->cy = py - offset;
3083 }
3084 data->oy = gd->hsize - offset;
3085 }
3086
3087 if (!no_redraw && data->searchmark != NULL && !data->timeout)
3088 window_copy_search_marks(wme, NULL, data->searchregex, 1);
3089 window_copy_update_selection(wme, 1, 0);
3090 if (!no_redraw)
3091 window_copy_redraw_screen(wme);
3092 }
3093
3094 static int
window_copy_search_compare(struct grid * gd,u_int px,u_int py,struct grid * sgd,u_int spx,int cis)3095 window_copy_search_compare(struct grid *gd, u_int px, u_int py,
3096 struct grid *sgd, u_int spx, int cis)
3097 {
3098 struct grid_cell gc, sgc;
3099 const struct utf8_data *ud, *sud;
3100
3101 grid_get_cell(gd, px, py, &gc);
3102 ud = &gc.data;
3103 grid_get_cell(sgd, spx, 0, &sgc);
3104 sud = &sgc.data;
3105
3106 if (ud->size != sud->size || ud->width != sud->width)
3107 return (0);
3108
3109 if (cis && ud->size == 1)
3110 return (tolower(ud->data[0]) == sud->data[0]);
3111
3112 return (memcmp(ud->data, sud->data, ud->size) == 0);
3113 }
3114
3115 static int
window_copy_search_lr(struct grid * gd,struct grid * sgd,u_int * ppx,u_int py,u_int first,u_int last,int cis)3116 window_copy_search_lr(struct grid *gd, struct grid *sgd, u_int *ppx, u_int py,
3117 u_int first, u_int last, int cis)
3118 {
3119 u_int ax, bx, px, pywrap, endline;
3120 int matched;
3121 struct grid_line *gl;
3122
3123 endline = gd->hsize + gd->sy - 1;
3124 for (ax = first; ax < last; ax++) {
3125 for (bx = 0; bx < sgd->sx; bx++) {
3126 px = ax + bx;
3127 pywrap = py;
3128 /* Wrap line. */
3129 while (px >= gd->sx && pywrap < endline) {
3130 gl = grid_get_line(gd, pywrap);
3131 if (~gl->flags & GRID_LINE_WRAPPED)
3132 break;
3133 px -= gd->sx;
3134 pywrap++;
3135 }
3136 /* We have run off the end of the grid. */
3137 if (px >= gd->sx)
3138 break;
3139 matched = window_copy_search_compare(gd, px, pywrap,
3140 sgd, bx, cis);
3141 if (!matched)
3142 break;
3143 }
3144 if (bx == sgd->sx) {
3145 *ppx = ax;
3146 return (1);
3147 }
3148 }
3149 return (0);
3150 }
3151
3152 static int
window_copy_search_rl(struct grid * gd,struct grid * sgd,u_int * ppx,u_int py,u_int first,u_int last,int cis)3153 window_copy_search_rl(struct grid *gd,
3154 struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
3155 {
3156 u_int ax, bx, px, pywrap, endline;
3157 int matched;
3158 struct grid_line *gl;
3159
3160 endline = gd->hsize + gd->sy - 1;
3161 for (ax = last; ax > first; ax--) {
3162 for (bx = 0; bx < sgd->sx; bx++) {
3163 px = ax - 1 + bx;
3164 pywrap = py;
3165 /* Wrap line. */
3166 while (px >= gd->sx && pywrap < endline) {
3167 gl = grid_get_line(gd, pywrap);
3168 if (~gl->flags & GRID_LINE_WRAPPED)
3169 break;
3170 px -= gd->sx;
3171 pywrap++;
3172 }
3173 /* We have run off the end of the grid. */
3174 if (px >= gd->sx)
3175 break;
3176 matched = window_copy_search_compare(gd, px, pywrap,
3177 sgd, bx, cis);
3178 if (!matched)
3179 break;
3180 }
3181 if (bx == sgd->sx) {
3182 *ppx = ax - 1;
3183 return (1);
3184 }
3185 }
3186 return (0);
3187 }
3188
3189 static int
window_copy_search_lr_regex(struct grid * gd,u_int * ppx,u_int * psx,u_int py,u_int first,u_int last,regex_t * reg)3190 window_copy_search_lr_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
3191 u_int first, u_int last, regex_t *reg)
3192 {
3193 int eflags = 0;
3194 u_int endline, foundx, foundy, len, pywrap, size = 1;
3195 char *buf;
3196 regmatch_t regmatch;
3197 struct grid_line *gl;
3198
3199 /*
3200 * This can happen during search if the last match was the last
3201 * character on a line.
3202 */
3203 if (first >= last)
3204 return (0);
3205
3206 /* Set flags for regex search. */
3207 if (first != 0)
3208 eflags |= REG_NOTBOL;
3209
3210 /* Need to look at the entire string. */
3211 buf = xmalloc(size);
3212 buf[0] = '\0';
3213 buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
3214 len = gd->sx - first;
3215 endline = gd->hsize + gd->sy - 1;
3216 pywrap = py;
3217 while (buf != NULL &&
3218 pywrap <= endline &&
3219 len < WINDOW_COPY_SEARCH_MAX_LINE) {
3220 gl = grid_get_line(gd, pywrap);
3221 if (~gl->flags & GRID_LINE_WRAPPED)
3222 break;
3223 pywrap++;
3224 buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
3225 len += gd->sx;
3226 }
3227
3228 if (regexec(reg, buf, 1, ®match, eflags) == 0 &&
3229 regmatch.rm_so != regmatch.rm_eo) {
3230 foundx = first;
3231 foundy = py;
3232 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3233 buf + regmatch.rm_so);
3234 if (foundy == py && foundx < last) {
3235 *ppx = foundx;
3236 len -= foundx - first;
3237 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3238 buf + regmatch.rm_eo);
3239 *psx = foundx;
3240 while (foundy > py) {
3241 *psx += gd->sx;
3242 foundy--;
3243 }
3244 *psx -= *ppx;
3245 free(buf);
3246 return (1);
3247 }
3248 }
3249
3250 free(buf);
3251 *ppx = 0;
3252 *psx = 0;
3253 return (0);
3254 }
3255
3256 static int
window_copy_search_rl_regex(struct grid * gd,u_int * ppx,u_int * psx,u_int py,u_int first,u_int last,regex_t * reg)3257 window_copy_search_rl_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
3258 u_int first, u_int last, regex_t *reg)
3259 {
3260 int eflags = 0;
3261 u_int endline, len, pywrap, size = 1;
3262 char *buf;
3263 struct grid_line *gl;
3264
3265 /* Set flags for regex search. */
3266 if (first != 0)
3267 eflags |= REG_NOTBOL;
3268
3269 /* Need to look at the entire string. */
3270 buf = xmalloc(size);
3271 buf[0] = '\0';
3272 buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
3273 len = gd->sx - first;
3274 endline = gd->hsize + gd->sy - 1;
3275 pywrap = py;
3276 while (buf != NULL &&
3277 pywrap <= endline &&
3278 len < WINDOW_COPY_SEARCH_MAX_LINE) {
3279 gl = grid_get_line(gd, pywrap);
3280 if (~gl->flags & GRID_LINE_WRAPPED)
3281 break;
3282 pywrap++;
3283 buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
3284 len += gd->sx;
3285 }
3286
3287 if (window_copy_last_regex(gd, py, first, last, len, ppx, psx, buf,
3288 reg, eflags))
3289 {
3290 free(buf);
3291 return (1);
3292 }
3293
3294 free(buf);
3295 *ppx = 0;
3296 *psx = 0;
3297 return (0);
3298 }
3299
3300 static const char *
window_copy_cellstring(const struct grid_line * gl,u_int px,size_t * size,int * allocated)3301 window_copy_cellstring(const struct grid_line *gl, u_int px, size_t *size,
3302 int *allocated)
3303 {
3304 static struct utf8_data ud;
3305 struct grid_cell_entry *gce;
3306 char *copy;
3307
3308 if (px >= gl->cellsize) {
3309 *size = 1;
3310 *allocated = 0;
3311 return (" ");
3312 }
3313
3314 gce = &gl->celldata[px];
3315 if (gce->flags & GRID_FLAG_PADDING) {
3316 *size = 0;
3317 *allocated = 0;
3318 return (NULL);
3319 }
3320 if (~gce->flags & GRID_FLAG_EXTENDED) {
3321 *size = 1;
3322 *allocated = 0;
3323 return (&gce->data.data);
3324 }
3325
3326 utf8_to_data(gl->extddata[gce->offset].data, &ud);
3327 if (ud.size == 0) {
3328 *size = 0;
3329 *allocated = 0;
3330 return (NULL);
3331 }
3332 *size = ud.size;
3333 *allocated = 1;
3334
3335 copy = xmalloc(ud.size);
3336 memcpy(copy, ud.data, ud.size);
3337 return (copy);
3338 }
3339
3340 /* Find last match in given range. */
3341 static int
window_copy_last_regex(struct grid * gd,u_int py,u_int first,u_int last,u_int len,u_int * ppx,u_int * psx,const char * buf,const regex_t * preg,int eflags)3342 window_copy_last_regex(struct grid *gd, u_int py, u_int first, u_int last,
3343 u_int len, u_int *ppx, u_int *psx, const char *buf, const regex_t *preg,
3344 int eflags)
3345 {
3346 u_int foundx, foundy, oldx, px = 0, savepx, savesx = 0;
3347 regmatch_t regmatch;
3348
3349 foundx = first;
3350 foundy = py;
3351 oldx = first;
3352 while (regexec(preg, buf + px, 1, ®match, eflags) == 0) {
3353 if (regmatch.rm_so == regmatch.rm_eo)
3354 break;
3355 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3356 buf + px + regmatch.rm_so);
3357 if (foundy > py || foundx >= last)
3358 break;
3359 len -= foundx - oldx;
3360 savepx = foundx;
3361 window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
3362 buf + px + regmatch.rm_eo);
3363 if (foundy > py || foundx >= last) {
3364 *ppx = savepx;
3365 *psx = foundx;
3366 while (foundy > py) {
3367 *psx += gd->sx;
3368 foundy--;
3369 }
3370 *psx -= *ppx;
3371 return (1);
3372 } else {
3373 savesx = foundx - savepx;
3374 len -= savesx;
3375 oldx = foundx;
3376 }
3377 px += regmatch.rm_eo;
3378 }
3379
3380 if (savesx > 0) {
3381 *ppx = savepx;
3382 *psx = savesx;
3383 return (1);
3384 } else {
3385 *ppx = 0;
3386 *psx = 0;
3387 return (0);
3388 }
3389 }
3390
3391 /* Stringify line and append to input buffer. Caller frees. */
3392 static char *
window_copy_stringify(struct grid * gd,u_int py,u_int first,u_int last,char * buf,u_int * size)3393 window_copy_stringify(struct grid *gd, u_int py, u_int first, u_int last,
3394 char *buf, u_int *size)
3395 {
3396 u_int ax, bx, newsize = *size;
3397 const struct grid_line *gl;
3398 const char *d;
3399 size_t bufsize = 1024, dlen;
3400 int allocated;
3401
3402 while (bufsize < newsize)
3403 bufsize *= 2;
3404 buf = xrealloc(buf, bufsize);
3405
3406 gl = grid_peek_line(gd, py);
3407 bx = *size - 1;
3408 for (ax = first; ax < last; ax++) {
3409 d = window_copy_cellstring(gl, ax, &dlen, &allocated);
3410 newsize += dlen;
3411 while (bufsize < newsize) {
3412 bufsize *= 2;
3413 buf = xrealloc(buf, bufsize);
3414 }
3415 if (dlen == 1)
3416 buf[bx++] = *d;
3417 else {
3418 memcpy(buf + bx, d, dlen);
3419 bx += dlen;
3420 }
3421 if (allocated)
3422 free((void *)d);
3423 }
3424 buf[newsize - 1] = '\0';
3425
3426 *size = newsize;
3427 return (buf);
3428 }
3429
3430 /* Map start of C string containing UTF-8 data to grid cell position. */
3431 static void
window_copy_cstrtocellpos(struct grid * gd,u_int ncells,u_int * ppx,u_int * ppy,const char * str)3432 window_copy_cstrtocellpos(struct grid *gd, u_int ncells, u_int *ppx, u_int *ppy,
3433 const char *str)
3434 {
3435 u_int cell, ccell, px, pywrap, pos, len;
3436 int match;
3437 const struct grid_line *gl;
3438 const char *d;
3439 size_t dlen;
3440 struct {
3441 const char *d;
3442 size_t dlen;
3443 int allocated;
3444 } *cells;
3445
3446 /* Populate the array of cell data. */
3447 cells = xreallocarray(NULL, ncells, sizeof cells[0]);
3448 cell = 0;
3449 px = *ppx;
3450 pywrap = *ppy;
3451 gl = grid_peek_line(gd, pywrap);
3452 while (cell < ncells) {
3453 cells[cell].d = window_copy_cellstring(gl, px,
3454 &cells[cell].dlen, &cells[cell].allocated);
3455 cell++;
3456 px++;
3457 if (px == gd->sx) {
3458 px = 0;
3459 pywrap++;
3460 gl = grid_peek_line(gd, pywrap);
3461 }
3462 }
3463
3464 /* Locate starting cell. */
3465 cell = 0;
3466 len = strlen(str);
3467 while (cell < ncells) {
3468 ccell = cell;
3469 pos = 0;
3470 match = 1;
3471 while (ccell < ncells) {
3472 if (str[pos] == '\0') {
3473 match = 0;
3474 break;
3475 }
3476 d = cells[ccell].d;
3477 dlen = cells[ccell].dlen;
3478 if (dlen == 1) {
3479 if (str[pos] != *d) {
3480 match = 0;
3481 break;
3482 }
3483 pos++;
3484 } else {
3485 if (dlen > len - pos)
3486 dlen = len - pos;
3487 if (memcmp(str + pos, d, dlen) != 0) {
3488 match = 0;
3489 break;
3490 }
3491 pos += dlen;
3492 }
3493 ccell++;
3494 }
3495 if (match)
3496 break;
3497 cell++;
3498 }
3499
3500 /* If not found this will be one past the end. */
3501 px = *ppx + cell;
3502 pywrap = *ppy;
3503 while (px >= gd->sx) {
3504 px -= gd->sx;
3505 pywrap++;
3506 }
3507
3508 *ppx = px;
3509 *ppy = pywrap;
3510
3511 /* Free cell data. */
3512 for (cell = 0; cell < ncells; cell++) {
3513 if (cells[cell].allocated)
3514 free((void *)cells[cell].d);
3515 }
3516 free(cells);
3517 }
3518
3519 static void
window_copy_move_left(struct screen * s,u_int * fx,u_int * fy,int wrapflag)3520 window_copy_move_left(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
3521 {
3522 if (*fx == 0) { /* left */
3523 if (*fy == 0) { /* top */
3524 if (wrapflag) {
3525 *fx = screen_size_x(s) - 1;
3526 *fy = screen_hsize(s) + screen_size_y(s) - 1;
3527 }
3528 return;
3529 }
3530 *fx = screen_size_x(s) - 1;
3531 *fy = *fy - 1;
3532 } else
3533 *fx = *fx - 1;
3534 }
3535
3536 static void
window_copy_move_right(struct screen * s,u_int * fx,u_int * fy,int wrapflag)3537 window_copy_move_right(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
3538 {
3539 if (*fx == screen_size_x(s) - 1) { /* right */
3540 if (*fy == screen_hsize(s) + screen_size_y(s) - 1) { /* bottom */
3541 if (wrapflag) {
3542 *fx = 0;
3543 *fy = 0;
3544 }
3545 return;
3546 }
3547 *fx = 0;
3548 *fy = *fy + 1;
3549 } else
3550 *fx = *fx + 1;
3551 }
3552
3553 static int
window_copy_is_lowercase(const char * ptr)3554 window_copy_is_lowercase(const char *ptr)
3555 {
3556 while (*ptr != '\0') {
3557 if (*ptr != tolower((u_char)*ptr))
3558 return (0);
3559 ++ptr;
3560 }
3561 return (1);
3562 }
3563
3564 /*
3565 * Handle backward wrapped regex searches with overlapping matches. In this case
3566 * find the longest overlapping match from previous wrapped lines.
3567 */
3568 static void
window_copy_search_back_overlap(struct grid * gd,regex_t * preg,u_int * ppx,u_int * psx,u_int * ppy,u_int endline)3569 window_copy_search_back_overlap(struct grid *gd, regex_t *preg, u_int *ppx,
3570 u_int *psx, u_int *ppy, u_int endline)
3571 {
3572 u_int endx, endy, oldendx, oldendy, px, py, sx;
3573 int found = 1;
3574
3575 oldendx = *ppx + *psx;
3576 oldendy = *ppy - 1;
3577 while (oldendx > gd->sx - 1) {
3578 oldendx -= gd->sx;
3579 oldendy++;
3580 }
3581 endx = oldendx;
3582 endy = oldendy;
3583 px = *ppx;
3584 py = *ppy;
3585 while (found && px == 0 && py - 1 > endline &&
3586 grid_get_line(gd, py - 2)->flags & GRID_LINE_WRAPPED &&
3587 endx == oldendx && endy == oldendy) {
3588 py--;
3589 found = window_copy_search_rl_regex(gd, &px, &sx, py - 1, 0,
3590 gd->sx, preg);
3591 if (found) {
3592 endx = px + sx;
3593 endy = py - 1;
3594 while (endx > gd->sx - 1) {
3595 endx -= gd->sx;
3596 endy++;
3597 }
3598 if (endx == oldendx && endy == oldendy) {
3599 *ppx = px;
3600 *ppy = py;
3601 }
3602 }
3603 }
3604 }
3605
3606 /*
3607 * Search for text stored in sgd starting from position fx,fy up to endline. If
3608 * found, jump to it. If cis then ignore case. The direction is 0 for searching
3609 * up, down otherwise. If wrap then go to begin/end of grid and try again if
3610 * not found.
3611 */
3612 static int
window_copy_search_jump(struct window_mode_entry * wme,struct grid * gd,struct grid * sgd,u_int fx,u_int fy,u_int endline,int cis,int wrap,int direction,int regex)3613 window_copy_search_jump(struct window_mode_entry *wme, struct grid *gd,
3614 struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
3615 int direction, int regex)
3616 {
3617 u_int i, px, sx, ssize = 1;
3618 int found = 0, cflags = REG_EXTENDED;
3619 char *sbuf;
3620 regex_t reg;
3621
3622 if (regex) {
3623 sbuf = xmalloc(ssize);
3624 sbuf[0] = '\0';
3625 sbuf = window_copy_stringify(sgd, 0, 0, sgd->sx, sbuf, &ssize);
3626 if (cis)
3627 cflags |= REG_ICASE;
3628 if (regcomp(®, sbuf, cflags) != 0) {
3629 free(sbuf);
3630 return (0);
3631 }
3632 free(sbuf);
3633 }
3634
3635 if (direction) {
3636 for (i = fy; i <= endline; i++) {
3637 if (regex) {
3638 found = window_copy_search_lr_regex(gd,
3639 &px, &sx, i, fx, gd->sx, ®);
3640 } else {
3641 found = window_copy_search_lr(gd, sgd,
3642 &px, i, fx, gd->sx, cis);
3643 }
3644 if (found)
3645 break;
3646 fx = 0;
3647 }
3648 } else {
3649 for (i = fy + 1; endline < i; i--) {
3650 if (regex) {
3651 found = window_copy_search_rl_regex(gd,
3652 &px, &sx, i - 1, 0, fx + 1, ®);
3653 if (found) {
3654 window_copy_search_back_overlap(gd,
3655 ®, &px, &sx, &i, endline);
3656 }
3657 } else {
3658 found = window_copy_search_rl(gd, sgd,
3659 &px, i - 1, 0, fx + 1, cis);
3660 }
3661 if (found) {
3662 i--;
3663 break;
3664 }
3665 fx = gd->sx - 1;
3666 }
3667 }
3668 if (regex)
3669 regfree(®);
3670
3671 if (found) {
3672 window_copy_scroll_to(wme, px, i, 1);
3673 return (1);
3674 }
3675 if (wrap) {
3676 return (window_copy_search_jump(wme, gd, sgd,
3677 direction ? 0 : gd->sx - 1,
3678 direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
3679 direction, regex));
3680 }
3681 return (0);
3682 }
3683
3684 static void
window_copy_move_after_search_mark(struct window_copy_mode_data * data,u_int * fx,u_int * fy,int wrapflag)3685 window_copy_move_after_search_mark(struct window_copy_mode_data *data,
3686 u_int *fx, u_int *fy, int wrapflag)
3687 {
3688 struct screen *s = data->backing;
3689 u_int at, start;
3690
3691 if (window_copy_search_mark_at(data, *fx, *fy, &start) == 0 &&
3692 data->searchmark[start] != 0) {
3693 while (window_copy_search_mark_at(data, *fx, *fy, &at) == 0) {
3694 if (data->searchmark[at] != data->searchmark[start])
3695 break;
3696 /* Stop if not wrapping and at the end of the grid. */
3697 if (!wrapflag &&
3698 *fx == screen_size_x(s) - 1 &&
3699 *fy == screen_hsize(s) + screen_size_y(s) - 1)
3700 break;
3701
3702 window_copy_move_right(s, fx, fy, wrapflag);
3703 }
3704 }
3705 }
3706
3707 /*
3708 * Search in for text searchstr. If direction is 0 then search up, otherwise
3709 * down.
3710 */
3711 static int
window_copy_search(struct window_mode_entry * wme,int direction,int regex)3712 window_copy_search(struct window_mode_entry *wme, int direction, int regex)
3713 {
3714 struct window_pane *wp = wme->wp;
3715 struct window_copy_mode_data *data = wme->data;
3716 struct screen *s = data->backing, ss;
3717 struct screen_write_ctx ctx;
3718 struct grid *gd = s->grid;
3719 const char *str = data->searchstr;
3720 u_int at, endline, fx, fy, start;
3721 int cis, found, keys, visible_only;
3722 int wrapflag;
3723
3724 if (regex && str[strcspn(str, "^$*+()?[].\\")] == '\0')
3725 regex = 0;
3726
3727 data->searchdirection = direction;
3728
3729 if (data->timeout)
3730 return (0);
3731
3732 if (data->searchall || wp->searchstr == NULL ||
3733 wp->searchregex != regex) {
3734 visible_only = 0;
3735 data->searchall = 0;
3736 } else
3737 visible_only = (strcmp(wp->searchstr, str) == 0);
3738 if (visible_only == 0 && data->searchmark != NULL)
3739 window_copy_clear_marks(wme);
3740 free(wp->searchstr);
3741 wp->searchstr = xstrdup(str);
3742 wp->searchregex = regex;
3743
3744 fx = data->cx;
3745 fy = screen_hsize(data->backing) - data->oy + data->cy;
3746
3747 screen_init(&ss, screen_write_strlen("%s", str), 1, 0);
3748 screen_write_start(&ctx, &ss);
3749 screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", str);
3750 screen_write_stop(&ctx);
3751
3752 wrapflag = options_get_number(wp->window->options, "wrap-search");
3753 cis = window_copy_is_lowercase(str);
3754
3755 keys = options_get_number(wp->window->options, "mode-keys");
3756
3757 if (direction) {
3758 /*
3759 * Behave according to mode-keys. If it is emacs, search forward
3760 * leaves the cursor after the match. If it is vi, the cursor
3761 * remains at the beginning of the match, regardless of
3762 * direction, which means that we need to start the next search
3763 * after the term the cursor is currently on when searching
3764 * forward.
3765 */
3766 if (keys == MODEKEY_VI) {
3767 if (data->searchmark != NULL)
3768 window_copy_move_after_search_mark(data, &fx,
3769 &fy, wrapflag);
3770 else {
3771 /*
3772 * When there are no search marks, start the
3773 * search after the current cursor position.
3774 */
3775 window_copy_move_right(s, &fx, &fy, wrapflag);
3776 }
3777 }
3778 endline = gd->hsize + gd->sy - 1;
3779 } else {
3780 window_copy_move_left(s, &fx, &fy, wrapflag);
3781 endline = 0;
3782 }
3783
3784 found = window_copy_search_jump(wme, gd, ss.grid, fx, fy, endline, cis,
3785 wrapflag, direction, regex);
3786 if (found) {
3787 window_copy_search_marks(wme, &ss, regex, visible_only);
3788 fx = data->cx;
3789 fy = screen_hsize(data->backing) - data->oy + data->cy;
3790
3791 /*
3792 * When searching forward, if the cursor is not at the beginning
3793 * of the mark, search again.
3794 */
3795 if (direction &&
3796 window_copy_search_mark_at(data, fx, fy, &at) == 0 &&
3797 at > 0 &&
3798 data->searchmark != NULL &&
3799 data->searchmark[at] == data->searchmark[at - 1]) {
3800 window_copy_move_after_search_mark(data, &fx, &fy,
3801 wrapflag);
3802 window_copy_search_jump(wme, gd, ss.grid, fx,
3803 fy, endline, cis, wrapflag, direction,
3804 regex);
3805 fx = data->cx;
3806 fy = screen_hsize(data->backing) - data->oy + data->cy;
3807 }
3808
3809 if (direction) {
3810 /*
3811 * When in Emacs mode, position the cursor just after
3812 * the mark.
3813 */
3814 if (keys == MODEKEY_EMACS) {
3815 window_copy_move_after_search_mark(data, &fx,
3816 &fy, wrapflag);
3817 data->cx = fx;
3818 data->cy = fy - screen_hsize(data->backing) +
3819 data-> oy;
3820 }
3821 } else {
3822 /*
3823 * When searching backward, position the cursor at the
3824 * beginning of the mark.
3825 */
3826 if (window_copy_search_mark_at(data, fx, fy,
3827 &start) == 0) {
3828 while (window_copy_search_mark_at(data, fx, fy,
3829 &at) == 0 &&
3830 data->searchmark != NULL &&
3831 data->searchmark[at] ==
3832 data->searchmark[start]) {
3833 data->cx = fx;
3834 data->cy = fy -
3835 screen_hsize(data->backing) +
3836 data-> oy;
3837 if (at == 0)
3838 break;
3839
3840 window_copy_move_left(s, &fx, &fy, 0);
3841 }
3842 }
3843 }
3844 }
3845 window_copy_redraw_screen(wme);
3846
3847 screen_free(&ss);
3848 return (found);
3849 }
3850
3851 static void
window_copy_visible_lines(struct window_copy_mode_data * data,u_int * start,u_int * end)3852 window_copy_visible_lines(struct window_copy_mode_data *data, u_int *start,
3853 u_int *end)
3854 {
3855 struct grid *gd = data->backing->grid;
3856 const struct grid_line *gl;
3857
3858 for (*start = gd->hsize - data->oy; *start > 0; (*start)--) {
3859 gl = grid_peek_line(gd, (*start) - 1);
3860 if (~gl->flags & GRID_LINE_WRAPPED)
3861 break;
3862 }
3863 *end = gd->hsize - data->oy + gd->sy;
3864 }
3865
3866 static int
window_copy_search_mark_at(struct window_copy_mode_data * data,u_int px,u_int py,u_int * at)3867 window_copy_search_mark_at(struct window_copy_mode_data *data, u_int px,
3868 u_int py, u_int *at)
3869 {
3870 struct screen *s = data->backing;
3871 struct grid *gd = s->grid;
3872
3873 if (py < gd->hsize - data->oy)
3874 return (-1);
3875 if (py > gd->hsize - data->oy + gd->sy - 1)
3876 return (-1);
3877 *at = ((py - (gd->hsize - data->oy)) * gd->sx) + px;
3878 return (0);
3879 }
3880
3881 static int
window_copy_search_marks(struct window_mode_entry * wme,struct screen * ssp,int regex,int visible_only)3882 window_copy_search_marks(struct window_mode_entry *wme, struct screen *ssp,
3883 int regex, int visible_only)
3884 {
3885 struct window_copy_mode_data *data = wme->data;
3886 struct screen *s = data->backing, ss;
3887 struct screen_write_ctx ctx;
3888 struct grid *gd = s->grid;
3889 int found, cis, stopped = 0;
3890 int cflags = REG_EXTENDED;
3891 u_int px, py, i, b, nfound = 0, width;
3892 u_int ssize = 1, start, end;
3893 char *sbuf;
3894 regex_t reg;
3895 uint64_t stop = 0, tstart, t;
3896
3897 if (ssp == NULL) {
3898 width = screen_write_strlen("%s", data->searchstr);
3899 screen_init(&ss, width, 1, 0);
3900 screen_write_start(&ctx, &ss);
3901 screen_write_nputs(&ctx, -1, &grid_default_cell, "%s",
3902 data->searchstr);
3903 screen_write_stop(&ctx);
3904 ssp = &ss;
3905 } else
3906 width = screen_size_x(ssp);
3907
3908 cis = window_copy_is_lowercase(data->searchstr);
3909
3910 if (regex) {
3911 sbuf = xmalloc(ssize);
3912 sbuf[0] = '\0';
3913 sbuf = window_copy_stringify(ssp->grid, 0, 0, ssp->grid->sx,
3914 sbuf, &ssize);
3915 if (cis)
3916 cflags |= REG_ICASE;
3917 if (regcomp(®, sbuf, cflags) != 0) {
3918 free(sbuf);
3919 return (0);
3920 }
3921 free(sbuf);
3922 }
3923 tstart = get_timer();
3924
3925 if (visible_only)
3926 window_copy_visible_lines(data, &start, &end);
3927 else {
3928 start = 0;
3929 end = gd->hsize + gd->sy;
3930 stop = get_timer() + WINDOW_COPY_SEARCH_ALL_TIMEOUT;
3931 }
3932
3933 again:
3934 free(data->searchmark);
3935 data->searchmark = xcalloc(gd->sx, gd->sy);
3936 data->searchgen = 1;
3937
3938 for (py = start; py < end; py++) {
3939 px = 0;
3940 for (;;) {
3941 if (regex) {
3942 found = window_copy_search_lr_regex(gd,
3943 &px, &width, py, px, gd->sx, ®);
3944 if (!found)
3945 break;
3946 } else {
3947 found = window_copy_search_lr(gd, ssp->grid,
3948 &px, py, px, gd->sx, cis);
3949 if (!found)
3950 break;
3951 }
3952 nfound++;
3953
3954 if (window_copy_search_mark_at(data, px, py, &b) == 0) {
3955 if (b + width > gd->sx * gd->sy)
3956 width = (gd->sx * gd->sy) - b;
3957 for (i = b; i < b + width; i++) {
3958 if (data->searchmark[i] != 0)
3959 continue;
3960 data->searchmark[i] = data->searchgen;
3961 }
3962 if (data->searchgen == UCHAR_MAX)
3963 data->searchgen = 1;
3964 else
3965 data->searchgen++;
3966 }
3967 px += width;
3968 }
3969
3970 t = get_timer();
3971 if (t - tstart > WINDOW_COPY_SEARCH_TIMEOUT) {
3972 data->timeout = 1;
3973 break;
3974 }
3975 if (stop != 0 && t > stop) {
3976 stopped = 1;
3977 break;
3978 }
3979 }
3980 if (data->timeout) {
3981 window_copy_clear_marks(wme);
3982 goto out;
3983 }
3984
3985 if (stopped && stop != 0) {
3986 /* Try again but just the visible context. */
3987 window_copy_visible_lines(data, &start, &end);
3988 stop = 0;
3989 goto again;
3990 }
3991
3992 if (!visible_only) {
3993 if (stopped) {
3994 if (nfound > 1000)
3995 data->searchcount = 1000;
3996 else if (nfound > 100)
3997 data->searchcount = 100;
3998 else if (nfound > 10)
3999 data->searchcount = 10;
4000 else
4001 data->searchcount = -1;
4002 data->searchmore = 1;
4003 } else {
4004 data->searchcount = nfound;
4005 data->searchmore = 0;
4006 }
4007 }
4008
4009 out:
4010 if (ssp == &ss)
4011 screen_free(&ss);
4012 if (regex)
4013 regfree(®);
4014 return (1);
4015 }
4016
4017 static void
window_copy_clear_marks(struct window_mode_entry * wme)4018 window_copy_clear_marks(struct window_mode_entry *wme)
4019 {
4020 struct window_copy_mode_data *data = wme->data;
4021
4022 free(data->searchmark);
4023 data->searchmark = NULL;
4024 }
4025
4026 static int
window_copy_search_up(struct window_mode_entry * wme,int regex)4027 window_copy_search_up(struct window_mode_entry *wme, int regex)
4028 {
4029 return (window_copy_search(wme, 0, regex));
4030 }
4031
4032 static int
window_copy_search_down(struct window_mode_entry * wme,int regex)4033 window_copy_search_down(struct window_mode_entry *wme, int regex)
4034 {
4035 return (window_copy_search(wme, 1, regex));
4036 }
4037
4038 static void
window_copy_goto_line(struct window_mode_entry * wme,const char * linestr)4039 window_copy_goto_line(struct window_mode_entry *wme, const char *linestr)
4040 {
4041 struct window_copy_mode_data *data = wme->data;
4042 const char *errstr;
4043 int lineno;
4044
4045 lineno = strtonum(linestr, -1, INT_MAX, &errstr);
4046 if (errstr != NULL)
4047 return;
4048 if (lineno < 0 || (u_int)lineno > screen_hsize(data->backing))
4049 lineno = screen_hsize(data->backing);
4050
4051 data->oy = lineno;
4052 window_copy_update_selection(wme, 1, 0);
4053 window_copy_redraw_screen(wme);
4054 }
4055
4056 static void
window_copy_match_start_end(struct window_copy_mode_data * data,u_int at,u_int * start,u_int * end)4057 window_copy_match_start_end(struct window_copy_mode_data *data, u_int at,
4058 u_int *start, u_int *end)
4059 {
4060 struct grid *gd = data->backing->grid;
4061 u_int last = (gd->sy * gd->sx) - 1;
4062 u_char mark = data->searchmark[at];
4063
4064 *start = *end = at;
4065 while (*start != 0 && data->searchmark[*start] == mark)
4066 (*start)--;
4067 if (data->searchmark[*start] != mark)
4068 (*start)++;
4069 while (*end != last && data->searchmark[*end] == mark)
4070 (*end)++;
4071 if (data->searchmark[*end] != mark)
4072 (*end)--;
4073 }
4074
4075 static char *
window_copy_match_at_cursor(struct window_copy_mode_data * data)4076 window_copy_match_at_cursor(struct window_copy_mode_data *data)
4077 {
4078 struct grid *gd = data->backing->grid;
4079 struct grid_cell gc;
4080 u_int at, start, end, cy, px, py;
4081 u_int sx = screen_size_x(data->backing);
4082 char *buf = NULL;
4083 size_t len = 0;
4084
4085 if (data->searchmark == NULL)
4086 return (NULL);
4087
4088 cy = screen_hsize(data->backing) - data->oy + data->cy;
4089 if (window_copy_search_mark_at(data, data->cx, cy, &at) != 0)
4090 return (NULL);
4091 if (data->searchmark[at] == 0) {
4092 /* Allow one position after the match. */
4093 if (at == 0 || data->searchmark[--at] == 0)
4094 return (NULL);
4095 }
4096 window_copy_match_start_end(data, at, &start, &end);
4097
4098 /*
4099 * Cells will not be set in the marked array unless they are valid text
4100 * and wrapping will be taken care of, so we can just copy.
4101 */
4102 for (at = start; at <= end; at++) {
4103 py = at / sx;
4104 px = at - (py * sx);
4105
4106 grid_get_cell(gd, px, gd->hsize + py - data->oy, &gc);
4107 buf = xrealloc(buf, len + gc.data.size + 1);
4108 memcpy(buf + len, gc.data.data, gc.data.size);
4109 len += gc.data.size;
4110 }
4111 if (len != 0)
4112 buf[len] = '\0';
4113 return (buf);
4114 }
4115
4116 static void
window_copy_update_style(struct window_mode_entry * wme,u_int fx,u_int fy,struct grid_cell * gc,const struct grid_cell * mgc,const struct grid_cell * cgc,const struct grid_cell * mkgc)4117 window_copy_update_style(struct window_mode_entry *wme, u_int fx, u_int fy,
4118 struct grid_cell *gc, const struct grid_cell *mgc,
4119 const struct grid_cell *cgc, const struct grid_cell *mkgc)
4120 {
4121 struct window_pane *wp = wme->wp;
4122 struct window_copy_mode_data *data = wme->data;
4123 u_int mark, start, end, cy, cursor, current;
4124 int inv = 0, found = 0;
4125 int keys;
4126
4127 if (data->showmark && fy == data->my) {
4128 gc->attr = mkgc->attr;
4129 if (fx == data->mx)
4130 inv = 1;
4131 if (inv) {
4132 gc->fg = mkgc->bg;
4133 gc->bg = mkgc->fg;
4134 }
4135 else {
4136 gc->fg = mkgc->fg;
4137 gc->bg = mkgc->bg;
4138 }
4139 }
4140
4141 if (data->searchmark == NULL)
4142 return;
4143
4144 if (window_copy_search_mark_at(data, fx, fy, ¤t) != 0)
4145 return;
4146 mark = data->searchmark[current];
4147 if (mark == 0)
4148 return;
4149
4150 cy = screen_hsize(data->backing) - data->oy + data->cy;
4151 if (window_copy_search_mark_at(data, data->cx, cy, &cursor) == 0) {
4152 keys = options_get_number(wp->window->options, "mode-keys");
4153 if (cursor != 0 &&
4154 keys == MODEKEY_EMACS &&
4155 data->searchdirection) {
4156 if (data->searchmark[cursor - 1] == mark) {
4157 cursor--;
4158 found = 1;
4159 }
4160 } else if (data->searchmark[cursor] == mark)
4161 found = 1;
4162 if (found) {
4163 window_copy_match_start_end(data, cursor, &start, &end);
4164 if (current >= start && current <= end) {
4165 gc->attr = cgc->attr;
4166 if (inv) {
4167 gc->fg = cgc->bg;
4168 gc->bg = cgc->fg;
4169 }
4170 else {
4171 gc->fg = cgc->fg;
4172 gc->bg = cgc->bg;
4173 }
4174 return;
4175 }
4176 }
4177 }
4178
4179 gc->attr = mgc->attr;
4180 if (inv) {
4181 gc->fg = mgc->bg;
4182 gc->bg = mgc->fg;
4183 }
4184 else {
4185 gc->fg = mgc->fg;
4186 gc->bg = mgc->bg;
4187 }
4188 }
4189
4190 static void
window_copy_write_one(struct window_mode_entry * wme,struct screen_write_ctx * ctx,u_int py,u_int fy,u_int nx,const struct grid_cell * mgc,const struct grid_cell * cgc,const struct grid_cell * mkgc)4191 window_copy_write_one(struct window_mode_entry *wme,
4192 struct screen_write_ctx *ctx, u_int py, u_int fy, u_int nx,
4193 const struct grid_cell *mgc, const struct grid_cell *cgc,
4194 const struct grid_cell *mkgc)
4195 {
4196 struct window_copy_mode_data *data = wme->data;
4197 struct grid *gd = data->backing->grid;
4198 struct grid_cell gc;
4199 u_int fx;
4200
4201 screen_write_cursormove(ctx, 0, py, 0);
4202 for (fx = 0; fx < nx; fx++) {
4203 grid_get_cell(gd, fx, fy, &gc);
4204 if (fx + gc.data.width <= nx) {
4205 window_copy_update_style(wme, fx, fy, &gc, mgc, cgc,
4206 mkgc);
4207 screen_write_cell(ctx, &gc);
4208 }
4209 }
4210 }
4211
4212 static void
window_copy_write_line(struct window_mode_entry * wme,struct screen_write_ctx * ctx,u_int py)4213 window_copy_write_line(struct window_mode_entry *wme,
4214 struct screen_write_ctx *ctx, u_int py)
4215 {
4216 struct window_pane *wp = wme->wp;
4217 struct window_copy_mode_data *data = wme->data;
4218 struct screen *s = &data->screen;
4219 struct options *oo = wp->window->options;
4220 struct grid_line *gl;
4221 struct grid_cell gc, mgc, cgc, mkgc;
4222 char hdr[512], tmp[256], *t;
4223 size_t size = 0;
4224 u_int hsize = screen_hsize(data->backing);
4225
4226 style_apply(&gc, oo, "mode-style", NULL);
4227 gc.flags |= GRID_FLAG_NOPALETTE;
4228 style_apply(&mgc, oo, "copy-mode-match-style", NULL);
4229 mgc.flags |= GRID_FLAG_NOPALETTE;
4230 style_apply(&cgc, oo, "copy-mode-current-match-style", NULL);
4231 cgc.flags |= GRID_FLAG_NOPALETTE;
4232 style_apply(&mkgc, oo, "copy-mode-mark-style", NULL);
4233 mkgc.flags |= GRID_FLAG_NOPALETTE;
4234
4235 if (py == 0 && s->rupper < s->rlower && !data->hide_position) {
4236 gl = grid_get_line(data->backing->grid, hsize - data->oy);
4237 if (gl->time == 0)
4238 xsnprintf(tmp, sizeof tmp, "[%u/%u]", data->oy, hsize);
4239 else {
4240 t = format_pretty_time(gl->time, 1);
4241 xsnprintf(tmp, sizeof tmp, "%s [%u/%u]", t, data->oy,
4242 hsize);
4243 free(t);
4244 }
4245
4246 if (data->searchmark == NULL) {
4247 if (data->timeout) {
4248 size = xsnprintf(hdr, sizeof hdr,
4249 "(timed out) %s", tmp);
4250 } else
4251 size = xsnprintf(hdr, sizeof hdr, "%s", tmp);
4252 } else {
4253 if (data->searchcount == -1)
4254 size = xsnprintf(hdr, sizeof hdr, "%s", tmp);
4255 else {
4256 size = xsnprintf(hdr, sizeof hdr,
4257 "(%d%s results) %s", data->searchcount,
4258 data->searchmore ? "+" : "", tmp);
4259 }
4260 }
4261 if (size > screen_size_x(s))
4262 size = screen_size_x(s);
4263 screen_write_cursormove(ctx, screen_size_x(s) - size, 0, 0);
4264 screen_write_puts(ctx, &gc, "%s", hdr);
4265 } else
4266 size = 0;
4267
4268 if (size < screen_size_x(s)) {
4269 window_copy_write_one(wme, ctx, py, hsize - data->oy + py,
4270 screen_size_x(s) - size, &mgc, &cgc, &mkgc);
4271 }
4272
4273 if (py == data->cy && data->cx == screen_size_x(s)) {
4274 screen_write_cursormove(ctx, screen_size_x(s) - 1, py, 0);
4275 screen_write_putc(ctx, &grid_default_cell, '$');
4276 }
4277 }
4278
4279 static void
window_copy_write_lines(struct window_mode_entry * wme,struct screen_write_ctx * ctx,u_int py,u_int ny)4280 window_copy_write_lines(struct window_mode_entry *wme,
4281 struct screen_write_ctx *ctx, u_int py, u_int ny)
4282 {
4283 u_int yy;
4284
4285 for (yy = py; yy < py + ny; yy++)
4286 window_copy_write_line(wme, ctx, py);
4287 }
4288
4289 static void
window_copy_redraw_selection(struct window_mode_entry * wme,u_int old_y)4290 window_copy_redraw_selection(struct window_mode_entry *wme, u_int old_y)
4291 {
4292 struct window_copy_mode_data *data = wme->data;
4293 struct grid *gd = data->backing->grid;
4294 u_int new_y, start, end;
4295
4296 new_y = data->cy;
4297 if (old_y <= new_y) {
4298 start = old_y;
4299 end = new_y;
4300 } else {
4301 start = new_y;
4302 end = old_y;
4303 }
4304
4305 /*
4306 * In word selection mode the first word on the line below the cursor
4307 * might be selected, so add this line to the redraw area.
4308 */
4309 if (data->selflag == SEL_WORD) {
4310 /* Last grid line in data coordinates. */
4311 if (end < gd->sy + data->oy - 1)
4312 end++;
4313 }
4314 window_copy_redraw_lines(wme, start, end - start + 1);
4315 }
4316
4317 static void
window_copy_redraw_lines(struct window_mode_entry * wme,u_int py,u_int ny)4318 window_copy_redraw_lines(struct window_mode_entry *wme, u_int py, u_int ny)
4319 {
4320 struct window_pane *wp = wme->wp;
4321 struct window_copy_mode_data *data = wme->data;
4322 struct screen_write_ctx ctx;
4323 u_int i;
4324
4325 screen_write_start_pane(&ctx, wp, NULL);
4326 for (i = py; i < py + ny; i++)
4327 window_copy_write_line(wme, &ctx, i);
4328 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
4329 screen_write_stop(&ctx);
4330 }
4331
4332 static void
window_copy_redraw_screen(struct window_mode_entry * wme)4333 window_copy_redraw_screen(struct window_mode_entry *wme)
4334 {
4335 struct window_copy_mode_data *data = wme->data;
4336
4337 window_copy_redraw_lines(wme, 0, screen_size_y(&data->screen));
4338 }
4339
4340 static void
window_copy_synchronize_cursor_end(struct window_mode_entry * wme,int begin,int no_reset)4341 window_copy_synchronize_cursor_end(struct window_mode_entry *wme, int begin,
4342 int no_reset)
4343 {
4344 struct window_copy_mode_data *data = wme->data;
4345 u_int xx, yy;
4346
4347 xx = data->cx;
4348 yy = screen_hsize(data->backing) + data->cy - data->oy;
4349 switch (data->selflag) {
4350 case SEL_WORD:
4351 if (no_reset)
4352 break;
4353 begin = 0;
4354 if (data->dy > yy || (data->dy == yy && data->dx > xx)) {
4355 /* Right to left selection. */
4356 window_copy_cursor_previous_word_pos(wme,
4357 data->separators, &xx, &yy);
4358 begin = 1;
4359
4360 /* Reset the end. */
4361 data->endselx = data->endselrx;
4362 data->endsely = data->endselry;
4363 } else {
4364 /* Left to right selection. */
4365 if (xx >= window_copy_find_length(wme, yy) ||
4366 !window_copy_in_set(wme, xx + 1, yy, WHITESPACE)) {
4367 window_copy_cursor_next_word_end_pos(wme,
4368 data->separators, &xx, &yy);
4369 }
4370
4371 /* Reset the start. */
4372 data->selx = data->selrx;
4373 data->sely = data->selry;
4374 }
4375 break;
4376 case SEL_LINE:
4377 if (no_reset)
4378 break;
4379 begin = 0;
4380 if (data->dy > yy) {
4381 /* Right to left selection. */
4382 xx = 0;
4383 begin = 1;
4384
4385 /* Reset the end. */
4386 data->endselx = data->endselrx;
4387 data->endsely = data->endselry;
4388 } else {
4389 /* Left to right selection. */
4390 if (yy < data->endselry)
4391 yy = data->endselry;
4392 xx = window_copy_find_length(wme, yy);
4393
4394 /* Reset the start. */
4395 data->selx = data->selrx;
4396 data->sely = data->selry;
4397 }
4398 break;
4399 case SEL_CHAR:
4400 break;
4401 }
4402 if (begin) {
4403 data->selx = xx;
4404 data->sely = yy;
4405 } else {
4406 data->endselx = xx;
4407 data->endsely = yy;
4408 }
4409 }
4410
4411 static void
window_copy_synchronize_cursor(struct window_mode_entry * wme,int no_reset)4412 window_copy_synchronize_cursor(struct window_mode_entry *wme, int no_reset)
4413 {
4414 struct window_copy_mode_data *data = wme->data;
4415
4416 switch (data->cursordrag) {
4417 case CURSORDRAG_ENDSEL:
4418 window_copy_synchronize_cursor_end(wme, 0, no_reset);
4419 break;
4420 case CURSORDRAG_SEL:
4421 window_copy_synchronize_cursor_end(wme, 1, no_reset);
4422 break;
4423 case CURSORDRAG_NONE:
4424 break;
4425 }
4426 }
4427
4428 static void
window_copy_update_cursor(struct window_mode_entry * wme,u_int cx,u_int cy)4429 window_copy_update_cursor(struct window_mode_entry *wme, u_int cx, u_int cy)
4430 {
4431 struct window_pane *wp = wme->wp;
4432 struct window_copy_mode_data *data = wme->data;
4433 struct screen *s = &data->screen;
4434 struct screen_write_ctx ctx;
4435 u_int old_cx, old_cy;
4436
4437 old_cx = data->cx; old_cy = data->cy;
4438 data->cx = cx; data->cy = cy;
4439 if (old_cx == screen_size_x(s))
4440 window_copy_redraw_lines(wme, old_cy, 1);
4441 if (data->cx == screen_size_x(s))
4442 window_copy_redraw_lines(wme, data->cy, 1);
4443 else {
4444 screen_write_start_pane(&ctx, wp, NULL);
4445 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
4446 screen_write_stop(&ctx);
4447 }
4448 }
4449
4450 static void
window_copy_start_selection(struct window_mode_entry * wme)4451 window_copy_start_selection(struct window_mode_entry *wme)
4452 {
4453 struct window_copy_mode_data *data = wme->data;
4454
4455 data->selx = data->cx;
4456 data->sely = screen_hsize(data->backing) + data->cy - data->oy;
4457
4458 data->endselx = data->selx;
4459 data->endsely = data->sely;
4460
4461 data->cursordrag = CURSORDRAG_ENDSEL;
4462
4463 window_copy_set_selection(wme, 1, 0);
4464 }
4465
4466 static int
window_copy_adjust_selection(struct window_mode_entry * wme,u_int * selx,u_int * sely)4467 window_copy_adjust_selection(struct window_mode_entry *wme, u_int *selx,
4468 u_int *sely)
4469 {
4470 struct window_copy_mode_data *data = wme->data;
4471 struct screen *s = &data->screen;
4472 u_int sx, sy, ty;
4473 int relpos;
4474
4475 sx = *selx;
4476 sy = *sely;
4477
4478 ty = screen_hsize(data->backing) - data->oy;
4479 if (sy < ty) {
4480 relpos = WINDOW_COPY_REL_POS_ABOVE;
4481 if (!data->rectflag)
4482 sx = 0;
4483 sy = 0;
4484 } else if (sy > ty + screen_size_y(s) - 1) {
4485 relpos = WINDOW_COPY_REL_POS_BELOW;
4486 if (!data->rectflag)
4487 sx = screen_size_x(s) - 1;
4488 sy = screen_size_y(s) - 1;
4489 } else {
4490 relpos = WINDOW_COPY_REL_POS_ON_SCREEN;
4491 sy -= ty;
4492 }
4493
4494 *selx = sx;
4495 *sely = sy;
4496 return (relpos);
4497 }
4498
4499 static int
window_copy_update_selection(struct window_mode_entry * wme,int may_redraw,int no_reset)4500 window_copy_update_selection(struct window_mode_entry *wme, int may_redraw,
4501 int no_reset)
4502 {
4503 struct window_copy_mode_data *data = wme->data;
4504 struct screen *s = &data->screen;
4505
4506 if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
4507 return (0);
4508 return (window_copy_set_selection(wme, may_redraw, no_reset));
4509 }
4510
4511 static int
window_copy_set_selection(struct window_mode_entry * wme,int may_redraw,int no_reset)4512 window_copy_set_selection(struct window_mode_entry *wme, int may_redraw,
4513 int no_reset)
4514 {
4515 struct window_pane *wp = wme->wp;
4516 struct window_copy_mode_data *data = wme->data;
4517 struct screen *s = &data->screen;
4518 struct options *oo = wp->window->options;
4519 struct grid_cell gc;
4520 u_int sx, sy, cy, endsx, endsy;
4521 int startrelpos, endrelpos;
4522
4523 window_copy_synchronize_cursor(wme, no_reset);
4524
4525 /* Adjust the selection. */
4526 sx = data->selx;
4527 sy = data->sely;
4528 startrelpos = window_copy_adjust_selection(wme, &sx, &sy);
4529
4530 /* Adjust the end of selection. */
4531 endsx = data->endselx;
4532 endsy = data->endsely;
4533 endrelpos = window_copy_adjust_selection(wme, &endsx, &endsy);
4534
4535 /* Selection is outside of the current screen */
4536 if (startrelpos == endrelpos &&
4537 startrelpos != WINDOW_COPY_REL_POS_ON_SCREEN) {
4538 screen_hide_selection(s);
4539 return (0);
4540 }
4541
4542 /* Set colours and selection. */
4543 style_apply(&gc, oo, "mode-style", NULL);
4544 gc.flags |= GRID_FLAG_NOPALETTE;
4545 screen_set_selection(s, sx, sy, endsx, endsy, data->rectflag,
4546 data->modekeys, &gc);
4547
4548 if (data->rectflag && may_redraw) {
4549 /*
4550 * Can't rely on the caller to redraw the right lines for
4551 * rectangle selection - find the highest line and the number
4552 * of lines, and redraw just past that in both directions
4553 */
4554 cy = data->cy;
4555 if (data->cursordrag == CURSORDRAG_ENDSEL) {
4556 if (sy < cy)
4557 window_copy_redraw_lines(wme, sy, cy - sy + 1);
4558 else
4559 window_copy_redraw_lines(wme, cy, sy - cy + 1);
4560 } else {
4561 if (endsy < cy) {
4562 window_copy_redraw_lines(wme, endsy,
4563 cy - endsy + 1);
4564 } else {
4565 window_copy_redraw_lines(wme, cy,
4566 endsy - cy + 1);
4567 }
4568 }
4569 }
4570
4571 return (1);
4572 }
4573
4574 static void *
window_copy_get_selection(struct window_mode_entry * wme,size_t * len)4575 window_copy_get_selection(struct window_mode_entry *wme, size_t *len)
4576 {
4577 struct window_pane *wp = wme->wp;
4578 struct window_copy_mode_data *data = wme->data;
4579 struct screen *s = &data->screen;
4580 char *buf;
4581 size_t off;
4582 u_int i, xx, yy, sx, sy, ex, ey, ey_last;
4583 u_int firstsx, lastex, restex, restsx, selx;
4584 int keys;
4585
4586 if (data->screen.sel == NULL && data->lineflag == LINE_SEL_NONE) {
4587 buf = window_copy_match_at_cursor(data);
4588 if (buf != NULL)
4589 *len = strlen(buf);
4590 else
4591 *len = 0;
4592 return (buf);
4593 }
4594
4595 buf = xmalloc(1);
4596 off = 0;
4597
4598 *buf = '\0';
4599
4600 /*
4601 * The selection extends from selx,sely to (adjusted) cx,cy on
4602 * the base screen.
4603 */
4604
4605 /* Find start and end. */
4606 xx = data->endselx;
4607 yy = data->endsely;
4608 if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
4609 sx = xx; sy = yy;
4610 ex = data->selx; ey = data->sely;
4611 } else {
4612 sx = data->selx; sy = data->sely;
4613 ex = xx; ey = yy;
4614 }
4615
4616 /* Trim ex to end of line. */
4617 ey_last = window_copy_find_length(wme, ey);
4618 if (ex > ey_last)
4619 ex = ey_last;
4620
4621 /*
4622 * Deal with rectangle-copy if necessary; four situations: start of
4623 * first line (firstsx), end of last line (lastex), start (restsx) and
4624 * end (restex) of all other lines.
4625 */
4626 xx = screen_size_x(s);
4627
4628 /*
4629 * Behave according to mode-keys. If it is emacs, copy like emacs,
4630 * keeping the top-left-most character, and dropping the
4631 * bottom-right-most, regardless of copy direction. If it is vi, also
4632 * keep bottom-right-most character.
4633 */
4634 keys = options_get_number(wp->window->options, "mode-keys");
4635 if (data->rectflag) {
4636 /*
4637 * Need to ignore the column with the cursor in it, which for
4638 * rectangular copy means knowing which side the cursor is on.
4639 */
4640 if (data->cursordrag == CURSORDRAG_ENDSEL)
4641 selx = data->selx;
4642 else
4643 selx = data->endselx;
4644 if (selx < data->cx) {
4645 /* Selection start is on the left. */
4646 if (keys == MODEKEY_EMACS) {
4647 lastex = data->cx;
4648 restex = data->cx;
4649 }
4650 else {
4651 lastex = data->cx + 1;
4652 restex = data->cx + 1;
4653 }
4654 firstsx = selx;
4655 restsx = selx;
4656 } else {
4657 /* Cursor is on the left. */
4658 lastex = selx + 1;
4659 restex = selx + 1;
4660 firstsx = data->cx;
4661 restsx = data->cx;
4662 }
4663 } else {
4664 if (keys == MODEKEY_EMACS)
4665 lastex = ex;
4666 else
4667 lastex = ex + 1;
4668 restex = xx;
4669 firstsx = sx;
4670 restsx = 0;
4671 }
4672
4673 /* Copy the lines. */
4674 for (i = sy; i <= ey; i++) {
4675 window_copy_copy_line(wme, &buf, &off, i,
4676 (i == sy ? firstsx : restsx),
4677 (i == ey ? lastex : restex));
4678 }
4679
4680 /* Don't bother if no data. */
4681 if (off == 0) {
4682 free(buf);
4683 *len = 0;
4684 return (NULL);
4685 }
4686 /* Remove final \n (unless at end in vi mode). */
4687 if (keys == MODEKEY_EMACS || lastex <= ey_last) {
4688 if (~grid_get_line(data->backing->grid, ey)->flags &
4689 GRID_LINE_WRAPPED || lastex != ey_last)
4690 off -= 1;
4691 }
4692 *len = off;
4693 return (buf);
4694 }
4695
4696 static void
window_copy_copy_buffer(struct window_mode_entry * wme,const char * prefix,void * buf,size_t len)4697 window_copy_copy_buffer(struct window_mode_entry *wme, const char *prefix,
4698 void *buf, size_t len)
4699 {
4700 struct window_pane *wp = wme->wp;
4701 struct screen_write_ctx ctx;
4702
4703 if (options_get_number(global_options, "set-clipboard") != 0) {
4704 screen_write_start_pane(&ctx, wp, NULL);
4705 screen_write_setselection(&ctx, "", buf, len);
4706 screen_write_stop(&ctx);
4707 notify_pane("pane-set-clipboard", wp);
4708 }
4709
4710 paste_add(prefix, buf, len);
4711 }
4712
4713 static void *
window_copy_pipe_run(struct window_mode_entry * wme,struct session * s,const char * cmd,size_t * len)4714 window_copy_pipe_run(struct window_mode_entry *wme, struct session *s,
4715 const char *cmd, size_t *len)
4716 {
4717 void *buf;
4718 struct job *job;
4719
4720 buf = window_copy_get_selection(wme, len);
4721 if (cmd == NULL || *cmd == '\0')
4722 cmd = options_get_string(global_options, "copy-command");
4723 if (cmd != NULL && *cmd != '\0') {
4724 job = job_run(cmd, 0, NULL, NULL, s, NULL, NULL, NULL, NULL,
4725 NULL, JOB_NOWAIT, -1, -1);
4726 bufferevent_write(job_get_event(job), buf, *len);
4727 }
4728 return (buf);
4729 }
4730
4731 static void
window_copy_pipe(struct window_mode_entry * wme,struct session * s,const char * cmd)4732 window_copy_pipe(struct window_mode_entry *wme, struct session *s,
4733 const char *cmd)
4734 {
4735 size_t len;
4736
4737 window_copy_pipe_run(wme, s, cmd, &len);
4738 }
4739
4740 static void
window_copy_copy_pipe(struct window_mode_entry * wme,struct session * s,const char * prefix,const char * cmd)4741 window_copy_copy_pipe(struct window_mode_entry *wme, struct session *s,
4742 const char *prefix, const char *cmd)
4743 {
4744 void *buf;
4745 size_t len;
4746
4747 buf = window_copy_pipe_run(wme, s, cmd, &len);
4748 if (buf != NULL)
4749 window_copy_copy_buffer(wme, prefix, buf, len);
4750 }
4751
4752 static void
window_copy_copy_selection(struct window_mode_entry * wme,const char * prefix)4753 window_copy_copy_selection(struct window_mode_entry *wme, const char *prefix)
4754 {
4755 char *buf;
4756 size_t len;
4757
4758 buf = window_copy_get_selection(wme, &len);
4759 if (buf != NULL)
4760 window_copy_copy_buffer(wme, prefix, buf, len);
4761 }
4762
4763 static void
window_copy_append_selection(struct window_mode_entry * wme)4764 window_copy_append_selection(struct window_mode_entry *wme)
4765 {
4766 struct window_pane *wp = wme->wp;
4767 char *buf;
4768 struct paste_buffer *pb;
4769 const char *bufdata, *bufname = NULL;
4770 size_t len, bufsize;
4771 struct screen_write_ctx ctx;
4772
4773 buf = window_copy_get_selection(wme, &len);
4774 if (buf == NULL)
4775 return;
4776
4777 if (options_get_number(global_options, "set-clipboard") != 0) {
4778 screen_write_start_pane(&ctx, wp, NULL);
4779 screen_write_setselection(&ctx, "", buf, len);
4780 screen_write_stop(&ctx);
4781 notify_pane("pane-set-clipboard", wp);
4782 }
4783
4784 pb = paste_get_top(&bufname);
4785 if (pb != NULL) {
4786 bufdata = paste_buffer_data(pb, &bufsize);
4787 buf = xrealloc(buf, len + bufsize);
4788 memmove(buf + bufsize, buf, len);
4789 memcpy(buf, bufdata, bufsize);
4790 len += bufsize;
4791 }
4792 if (paste_set(buf, len, bufname, NULL) != 0)
4793 free(buf);
4794 }
4795
4796 static void
window_copy_copy_line(struct window_mode_entry * wme,char ** buf,size_t * off,u_int sy,u_int sx,u_int ex)4797 window_copy_copy_line(struct window_mode_entry *wme, char **buf, size_t *off,
4798 u_int sy, u_int sx, u_int ex)
4799 {
4800 struct window_copy_mode_data *data = wme->data;
4801 struct grid *gd = data->backing->grid;
4802 struct grid_cell gc;
4803 struct grid_line *gl;
4804 struct utf8_data ud;
4805 u_int i, xx, wrapped = 0;
4806 const char *s;
4807
4808 if (sx > ex)
4809 return;
4810
4811 /*
4812 * Work out if the line was wrapped at the screen edge and all of it is
4813 * on screen.
4814 */
4815 gl = grid_get_line(gd, sy);
4816 if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
4817 wrapped = 1;
4818
4819 /* If the line was wrapped, don't strip spaces (use the full length). */
4820 if (wrapped)
4821 xx = gl->cellsize;
4822 else
4823 xx = window_copy_find_length(wme, sy);
4824 if (ex > xx)
4825 ex = xx;
4826 if (sx > xx)
4827 sx = xx;
4828
4829 if (sx < ex) {
4830 for (i = sx; i < ex; i++) {
4831 grid_get_cell(gd, i, sy, &gc);
4832 if (gc.flags & GRID_FLAG_PADDING)
4833 continue;
4834 utf8_copy(&ud, &gc.data);
4835 if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
4836 s = tty_acs_get(NULL, ud.data[0]);
4837 if (s != NULL && strlen(s) <= sizeof ud.data) {
4838 ud.size = strlen(s);
4839 memcpy(ud.data, s, ud.size);
4840 }
4841 }
4842
4843 *buf = xrealloc(*buf, (*off) + ud.size);
4844 memcpy(*buf + *off, ud.data, ud.size);
4845 *off += ud.size;
4846 }
4847 }
4848
4849 /* Only add a newline if the line wasn't wrapped. */
4850 if (!wrapped || ex != xx) {
4851 *buf = xrealloc(*buf, (*off) + 1);
4852 (*buf)[(*off)++] = '\n';
4853 }
4854 }
4855
4856 static void
window_copy_clear_selection(struct window_mode_entry * wme)4857 window_copy_clear_selection(struct window_mode_entry *wme)
4858 {
4859 struct window_copy_mode_data *data = wme->data;
4860 u_int px, py;
4861
4862 screen_clear_selection(&data->screen);
4863
4864 data->cursordrag = CURSORDRAG_NONE;
4865 data->lineflag = LINE_SEL_NONE;
4866 data->selflag = SEL_CHAR;
4867
4868 py = screen_hsize(data->backing) + data->cy - data->oy;
4869 px = window_copy_find_length(wme, py);
4870 if (data->cx > px)
4871 window_copy_update_cursor(wme, px, data->cy);
4872 }
4873
4874 static int
window_copy_in_set(struct window_mode_entry * wme,u_int px,u_int py,const char * set)4875 window_copy_in_set(struct window_mode_entry *wme, u_int px, u_int py,
4876 const char *set)
4877 {
4878 struct window_copy_mode_data *data = wme->data;
4879 struct grid_cell gc;
4880
4881 grid_get_cell(data->backing->grid, px, py, &gc);
4882 if (gc.flags & GRID_FLAG_PADDING)
4883 return (0);
4884 return (utf8_cstrhas(set, &gc.data));
4885 }
4886
4887 static u_int
window_copy_find_length(struct window_mode_entry * wme,u_int py)4888 window_copy_find_length(struct window_mode_entry *wme, u_int py)
4889 {
4890 struct window_copy_mode_data *data = wme->data;
4891
4892 return (grid_line_length(data->backing->grid, py));
4893 }
4894
4895 static void
window_copy_cursor_start_of_line(struct window_mode_entry * wme)4896 window_copy_cursor_start_of_line(struct window_mode_entry *wme)
4897 {
4898 struct window_copy_mode_data *data = wme->data;
4899 struct screen *back_s = data->backing;
4900 struct grid_reader gr;
4901 u_int px, py, oldy, hsize;
4902
4903 px = data->cx;
4904 hsize = screen_hsize(back_s);
4905 py = hsize + data->cy - data->oy;
4906 oldy = data->cy;
4907
4908 grid_reader_start(&gr, back_s->grid, px, py);
4909 grid_reader_cursor_start_of_line(&gr, 1);
4910 grid_reader_get_cursor(&gr, &px, &py);
4911 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4912 }
4913
4914 static void
window_copy_cursor_back_to_indentation(struct window_mode_entry * wme)4915 window_copy_cursor_back_to_indentation(struct window_mode_entry *wme)
4916 {
4917 struct window_copy_mode_data *data = wme->data;
4918 struct screen *back_s = data->backing;
4919 struct grid_reader gr;
4920 u_int px, py, oldy, hsize;
4921
4922 px = data->cx;
4923 hsize = screen_hsize(back_s);
4924 py = hsize + data->cy - data->oy;
4925 oldy = data->cy;
4926
4927 grid_reader_start(&gr, back_s->grid, px, py);
4928 grid_reader_cursor_back_to_indentation(&gr);
4929 grid_reader_get_cursor(&gr, &px, &py);
4930 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
4931 }
4932
4933 static void
window_copy_cursor_end_of_line(struct window_mode_entry * wme)4934 window_copy_cursor_end_of_line(struct window_mode_entry *wme)
4935 {
4936 struct window_copy_mode_data *data = wme->data;
4937 struct screen *back_s = data->backing;
4938 struct grid_reader gr;
4939 u_int px, py, oldy, hsize;
4940
4941 px = data->cx;
4942 hsize = screen_hsize(back_s);
4943 py = hsize + data->cy - data->oy;
4944 oldy = data->cy;
4945
4946 grid_reader_start(&gr, back_s->grid, px, py);
4947 if (data->screen.sel != NULL && data->rectflag)
4948 grid_reader_cursor_end_of_line(&gr, 1, 1);
4949 else
4950 grid_reader_cursor_end_of_line(&gr, 1, 0);
4951 grid_reader_get_cursor(&gr, &px, &py);
4952 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
4953 data->oy, oldy, px, py, 0);
4954 }
4955
4956 static void
window_copy_other_end(struct window_mode_entry * wme)4957 window_copy_other_end(struct window_mode_entry *wme)
4958 {
4959 struct window_copy_mode_data *data = wme->data;
4960 struct screen *s = &data->screen;
4961 u_int selx, sely, cy, yy, hsize;
4962
4963 if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
4964 return;
4965
4966 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
4967 data->lineflag = LINE_SEL_RIGHT_LEFT;
4968 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
4969 data->lineflag = LINE_SEL_LEFT_RIGHT;
4970
4971 switch (data->cursordrag) {
4972 case CURSORDRAG_NONE:
4973 case CURSORDRAG_SEL:
4974 data->cursordrag = CURSORDRAG_ENDSEL;
4975 break;
4976 case CURSORDRAG_ENDSEL:
4977 data->cursordrag = CURSORDRAG_SEL;
4978 break;
4979 }
4980
4981 selx = data->endselx;
4982 sely = data->endsely;
4983 if (data->cursordrag == CURSORDRAG_SEL) {
4984 selx = data->selx;
4985 sely = data->sely;
4986 }
4987
4988 cy = data->cy;
4989 yy = screen_hsize(data->backing) + data->cy - data->oy;
4990
4991 data->cx = selx;
4992
4993 hsize = screen_hsize(data->backing);
4994 if (sely < hsize - data->oy) { /* above */
4995 data->oy = hsize - sely;
4996 data->cy = 0;
4997 } else if (sely > hsize - data->oy + screen_size_y(s)) { /* below */
4998 data->oy = hsize - sely + screen_size_y(s) - 1;
4999 data->cy = screen_size_y(s) - 1;
5000 } else
5001 data->cy = cy + sely - yy;
5002
5003 window_copy_update_selection(wme, 1, 1);
5004 window_copy_redraw_screen(wme);
5005 }
5006
5007 static void
window_copy_cursor_left(struct window_mode_entry * wme)5008 window_copy_cursor_left(struct window_mode_entry *wme)
5009 {
5010 struct window_copy_mode_data *data = wme->data;
5011 struct screen *back_s = data->backing;
5012 struct grid_reader gr;
5013 u_int px, py, oldy, hsize;
5014
5015 px = data->cx;
5016 hsize = screen_hsize(back_s);
5017 py = hsize + data->cy - data->oy;
5018 oldy = data->cy;
5019
5020 grid_reader_start(&gr, back_s->grid, px, py);
5021 grid_reader_cursor_left(&gr, 1);
5022 grid_reader_get_cursor(&gr, &px, &py);
5023 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
5024 }
5025
5026 static void
window_copy_cursor_right(struct window_mode_entry * wme,int all)5027 window_copy_cursor_right(struct window_mode_entry *wme, int all)
5028 {
5029 struct window_copy_mode_data *data = wme->data;
5030 struct screen *back_s = data->backing;
5031 struct grid_reader gr;
5032 u_int px, py, oldy, hsize;
5033
5034 px = data->cx;
5035 hsize = screen_hsize(back_s);
5036 py = hsize + data->cy - data->oy;
5037 oldy = data->cy;
5038
5039 grid_reader_start(&gr, back_s->grid, px, py);
5040 grid_reader_cursor_right(&gr, 1, all);
5041 grid_reader_get_cursor(&gr, &px, &py);
5042 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5043 data->oy, oldy, px, py, 0);
5044 }
5045
5046 static void
window_copy_cursor_up(struct window_mode_entry * wme,int scroll_only)5047 window_copy_cursor_up(struct window_mode_entry *wme, int scroll_only)
5048 {
5049 struct window_copy_mode_data *data = wme->data;
5050 struct screen *s = &data->screen;
5051 u_int ox, oy, px, py;
5052 int norectsel;
5053
5054 norectsel = data->screen.sel == NULL || !data->rectflag;
5055 oy = screen_hsize(data->backing) + data->cy - data->oy;
5056 ox = window_copy_find_length(wme, oy);
5057 if (norectsel && data->cx != ox) {
5058 data->lastcx = data->cx;
5059 data->lastsx = ox;
5060 }
5061
5062 if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
5063 window_copy_other_end(wme);
5064
5065 if (scroll_only || data->cy == 0) {
5066 if (norectsel)
5067 data->cx = data->lastcx;
5068 window_copy_scroll_down(wme, 1);
5069 if (scroll_only) {
5070 if (data->cy == screen_size_y(s) - 1)
5071 window_copy_redraw_lines(wme, data->cy, 1);
5072 else
5073 window_copy_redraw_lines(wme, data->cy, 2);
5074 }
5075 } else {
5076 if (norectsel) {
5077 window_copy_update_cursor(wme, data->lastcx,
5078 data->cy - 1);
5079 } else
5080 window_copy_update_cursor(wme, data->cx, data->cy - 1);
5081 if (window_copy_update_selection(wme, 1, 0)) {
5082 if (data->cy == screen_size_y(s) - 1)
5083 window_copy_redraw_lines(wme, data->cy, 1);
5084 else
5085 window_copy_redraw_lines(wme, data->cy, 2);
5086 }
5087 }
5088
5089 if (norectsel) {
5090 py = screen_hsize(data->backing) + data->cy - data->oy;
5091 px = window_copy_find_length(wme, py);
5092 if ((data->cx >= data->lastsx && data->cx != px) ||
5093 data->cx > px)
5094 {
5095 window_copy_update_cursor(wme, px, data->cy);
5096 if (window_copy_update_selection(wme, 1, 0))
5097 window_copy_redraw_lines(wme, data->cy, 1);
5098 }
5099 }
5100
5101 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
5102 {
5103 py = screen_hsize(data->backing) + data->cy - data->oy;
5104 if (data->rectflag)
5105 px = screen_size_x(data->backing);
5106 else
5107 px = window_copy_find_length(wme, py);
5108 window_copy_update_cursor(wme, px, data->cy);
5109 if (window_copy_update_selection(wme, 1, 0))
5110 window_copy_redraw_lines(wme, data->cy, 1);
5111 }
5112 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
5113 {
5114 window_copy_update_cursor(wme, 0, data->cy);
5115 if (window_copy_update_selection(wme, 1, 0))
5116 window_copy_redraw_lines(wme, data->cy, 1);
5117 }
5118 }
5119
5120 static void
window_copy_cursor_down(struct window_mode_entry * wme,int scroll_only)5121 window_copy_cursor_down(struct window_mode_entry *wme, int scroll_only)
5122 {
5123 struct window_copy_mode_data *data = wme->data;
5124 struct screen *s = &data->screen;
5125 u_int ox, oy, px, py;
5126 int norectsel;
5127
5128 norectsel = data->screen.sel == NULL || !data->rectflag;
5129 oy = screen_hsize(data->backing) + data->cy - data->oy;
5130 ox = window_copy_find_length(wme, oy);
5131 if (norectsel && data->cx != ox) {
5132 data->lastcx = data->cx;
5133 data->lastsx = ox;
5134 }
5135
5136 if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
5137 window_copy_other_end(wme);
5138
5139 if (scroll_only || data->cy == screen_size_y(s) - 1) {
5140 if (norectsel)
5141 data->cx = data->lastcx;
5142 window_copy_scroll_up(wme, 1);
5143 if (scroll_only && data->cy > 0)
5144 window_copy_redraw_lines(wme, data->cy - 1, 2);
5145 } else {
5146 if (norectsel) {
5147 window_copy_update_cursor(wme, data->lastcx,
5148 data->cy + 1);
5149 } else
5150 window_copy_update_cursor(wme, data->cx, data->cy + 1);
5151 if (window_copy_update_selection(wme, 1, 0))
5152 window_copy_redraw_lines(wme, data->cy - 1, 2);
5153 }
5154
5155 if (norectsel) {
5156 py = screen_hsize(data->backing) + data->cy - data->oy;
5157 px = window_copy_find_length(wme, py);
5158 if ((data->cx >= data->lastsx && data->cx != px) ||
5159 data->cx > px)
5160 {
5161 window_copy_update_cursor(wme, px, data->cy);
5162 if (window_copy_update_selection(wme, 1, 0))
5163 window_copy_redraw_lines(wme, data->cy, 1);
5164 }
5165 }
5166
5167 if (data->lineflag == LINE_SEL_LEFT_RIGHT)
5168 {
5169 py = screen_hsize(data->backing) + data->cy - data->oy;
5170 if (data->rectflag)
5171 px = screen_size_x(data->backing);
5172 else
5173 px = window_copy_find_length(wme, py);
5174 window_copy_update_cursor(wme, px, data->cy);
5175 if (window_copy_update_selection(wme, 1, 0))
5176 window_copy_redraw_lines(wme, data->cy, 1);
5177 }
5178 else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
5179 {
5180 window_copy_update_cursor(wme, 0, data->cy);
5181 if (window_copy_update_selection(wme, 1, 0))
5182 window_copy_redraw_lines(wme, data->cy, 1);
5183 }
5184 }
5185
5186 static void
window_copy_cursor_jump(struct window_mode_entry * wme)5187 window_copy_cursor_jump(struct window_mode_entry *wme)
5188 {
5189 struct window_copy_mode_data *data = wme->data;
5190 struct screen *back_s = data->backing;
5191 struct grid_reader gr;
5192 u_int px, py, oldy, hsize;
5193
5194 px = data->cx + 1;
5195 hsize = screen_hsize(back_s);
5196 py = hsize + data->cy - data->oy;
5197 oldy = data->cy;
5198
5199 grid_reader_start(&gr, back_s->grid, px, py);
5200 if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
5201 grid_reader_get_cursor(&gr, &px, &py);
5202 window_copy_acquire_cursor_down(wme, hsize,
5203 screen_size_y(back_s), data->oy, oldy, px, py, 0);
5204 }
5205 }
5206
5207 static void
window_copy_cursor_jump_back(struct window_mode_entry * wme)5208 window_copy_cursor_jump_back(struct window_mode_entry *wme)
5209 {
5210 struct window_copy_mode_data *data = wme->data;
5211 struct screen *back_s = data->backing;
5212 struct grid_reader gr;
5213 u_int px, py, oldy, hsize;
5214
5215 px = data->cx;
5216 hsize = screen_hsize(back_s);
5217 py = hsize + data->cy - data->oy;
5218 oldy = data->cy;
5219
5220 grid_reader_start(&gr, back_s->grid, px, py);
5221 grid_reader_cursor_left(&gr, 0);
5222 if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
5223 grid_reader_get_cursor(&gr, &px, &py);
5224 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
5225 py);
5226 }
5227 }
5228
5229 static void
window_copy_cursor_jump_to(struct window_mode_entry * wme)5230 window_copy_cursor_jump_to(struct window_mode_entry *wme)
5231 {
5232 struct window_copy_mode_data *data = wme->data;
5233 struct screen *back_s = data->backing;
5234 struct grid_reader gr;
5235 u_int px, py, oldy, hsize;
5236
5237 px = data->cx + 2;
5238 hsize = screen_hsize(back_s);
5239 py = hsize + data->cy - data->oy;
5240 oldy = data->cy;
5241
5242 grid_reader_start(&gr, back_s->grid, px, py);
5243 if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
5244 grid_reader_cursor_left(&gr, 1);
5245 grid_reader_get_cursor(&gr, &px, &py);
5246 window_copy_acquire_cursor_down(wme, hsize,
5247 screen_size_y(back_s), data->oy, oldy, px, py, 0);
5248 }
5249 }
5250
5251 static void
window_copy_cursor_jump_to_back(struct window_mode_entry * wme)5252 window_copy_cursor_jump_to_back(struct window_mode_entry *wme)
5253 {
5254 struct window_copy_mode_data *data = wme->data;
5255 struct screen *back_s = data->backing;
5256 struct grid_reader gr;
5257 u_int px, py, oldy, hsize;
5258
5259 px = data->cx;
5260 hsize = screen_hsize(back_s);
5261 py = hsize + data->cy - data->oy;
5262 oldy = data->cy;
5263
5264 grid_reader_start(&gr, back_s->grid, px, py);
5265 grid_reader_cursor_left(&gr, 0);
5266 grid_reader_cursor_left(&gr, 0);
5267 if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
5268 grid_reader_cursor_right(&gr, 1, 0);
5269 grid_reader_get_cursor(&gr, &px, &py);
5270 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
5271 py);
5272 }
5273 }
5274
5275 static void
window_copy_cursor_next_word(struct window_mode_entry * wme,const char * separators)5276 window_copy_cursor_next_word(struct window_mode_entry *wme,
5277 const char *separators)
5278 {
5279 struct window_copy_mode_data *data = wme->data;
5280 struct screen *back_s = data->backing;
5281 struct grid_reader gr;
5282 u_int px, py, oldy, hsize;
5283
5284 px = data->cx;
5285 hsize = screen_hsize(back_s);
5286 py = hsize + data->cy - data->oy;
5287 oldy = data->cy;
5288
5289 grid_reader_start(&gr, back_s->grid, px, py);
5290 grid_reader_cursor_next_word(&gr, separators);
5291 grid_reader_get_cursor(&gr, &px, &py);
5292 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5293 data->oy, oldy, px, py, 0);
5294 }
5295
5296 /* Compute the next place where a word ends. */
5297 static void
window_copy_cursor_next_word_end_pos(struct window_mode_entry * wme,const char * separators,u_int * ppx,u_int * ppy)5298 window_copy_cursor_next_word_end_pos(struct window_mode_entry *wme,
5299 const char *separators, u_int *ppx, u_int *ppy)
5300 {
5301 struct window_pane *wp = wme->wp;
5302 struct window_copy_mode_data *data = wme->data;
5303 struct options *oo = wp->window->options;
5304 struct screen *back_s = data->backing;
5305 struct grid_reader gr;
5306 u_int px, py, hsize;
5307
5308 px = data->cx;
5309 hsize = screen_hsize(back_s);
5310 py = hsize + data->cy - data->oy;
5311
5312 grid_reader_start(&gr, back_s->grid, px, py);
5313 if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
5314 if (!grid_reader_in_set(&gr, WHITESPACE))
5315 grid_reader_cursor_right(&gr, 0, 0);
5316 grid_reader_cursor_next_word_end(&gr, separators);
5317 grid_reader_cursor_left(&gr, 1);
5318 } else
5319 grid_reader_cursor_next_word_end(&gr, separators);
5320 grid_reader_get_cursor(&gr, &px, &py);
5321 *ppx = px;
5322 *ppy = py;
5323 }
5324
5325 /* Move to the next place where a word ends. */
5326 static void
window_copy_cursor_next_word_end(struct window_mode_entry * wme,const char * separators,int no_reset)5327 window_copy_cursor_next_word_end(struct window_mode_entry *wme,
5328 const char *separators, int no_reset)
5329 {
5330 struct window_pane *wp = wme->wp;
5331 struct window_copy_mode_data *data = wme->data;
5332 struct options *oo = wp->window->options;
5333 struct screen *back_s = data->backing;
5334 struct grid_reader gr;
5335 u_int px, py, oldy, hsize;
5336
5337 px = data->cx;
5338 hsize = screen_hsize(back_s);
5339 py = hsize + data->cy - data->oy;
5340 oldy = data->cy;
5341
5342 grid_reader_start(&gr, back_s->grid, px, py);
5343 if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
5344 if (!grid_reader_in_set(&gr, WHITESPACE))
5345 grid_reader_cursor_right(&gr, 0, 0);
5346 grid_reader_cursor_next_word_end(&gr, separators);
5347 grid_reader_cursor_left(&gr, 1);
5348 } else
5349 grid_reader_cursor_next_word_end(&gr, separators);
5350 grid_reader_get_cursor(&gr, &px, &py);
5351 window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
5352 data->oy, oldy, px, py, no_reset);
5353 }
5354
5355 /* Compute the previous place where a word begins. */
5356 static void
window_copy_cursor_previous_word_pos(struct window_mode_entry * wme,const char * separators,u_int * ppx,u_int * ppy)5357 window_copy_cursor_previous_word_pos(struct window_mode_entry *wme,
5358 const char *separators, u_int *ppx, u_int *ppy)
5359 {
5360 struct window_copy_mode_data *data = wme->data;
5361 struct screen *back_s = data->backing;
5362 struct grid_reader gr;
5363 u_int px, py, hsize;
5364
5365 px = data->cx;
5366 hsize = screen_hsize(back_s);
5367 py = hsize + data->cy - data->oy;
5368
5369 grid_reader_start(&gr, back_s->grid, px, py);
5370 grid_reader_cursor_previous_word(&gr, separators, /* already= */ 0,
5371 /* stop_at_eol= */ 1);
5372 grid_reader_get_cursor(&gr, &px, &py);
5373 *ppx = px;
5374 *ppy = py;
5375 }
5376
5377 /* Move to the previous place where a word begins. */
5378 static void
window_copy_cursor_previous_word(struct window_mode_entry * wme,const char * separators,int already)5379 window_copy_cursor_previous_word(struct window_mode_entry *wme,
5380 const char *separators, int already)
5381 {
5382 struct window_copy_mode_data *data = wme->data;
5383 struct window *w = wme->wp->window;
5384 struct screen *back_s = data->backing;
5385 struct grid_reader gr;
5386 u_int px, py, oldy, hsize;
5387 int stop_at_eol;
5388
5389 if (options_get_number(w->options, "mode-keys") == MODEKEY_EMACS)
5390 stop_at_eol = 1;
5391 else
5392 stop_at_eol = 0;
5393
5394 px = data->cx;
5395 hsize = screen_hsize(back_s);
5396 py = hsize + data->cy - data->oy;
5397 oldy = data->cy;
5398
5399 grid_reader_start(&gr, back_s->grid, px, py);
5400 grid_reader_cursor_previous_word(&gr, separators, already, stop_at_eol);
5401 grid_reader_get_cursor(&gr, &px, &py);
5402 window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
5403 }
5404
5405 static void
window_copy_cursor_prompt(struct window_mode_entry * wme,int direction,const char * args)5406 window_copy_cursor_prompt(struct window_mode_entry *wme, int direction,
5407 const char *args)
5408 {
5409 struct window_copy_mode_data *data = wme->data;
5410 struct screen *s = data->backing;
5411 struct grid *gd = s->grid;
5412 u_int end_line;
5413 u_int line = gd->hsize - data->oy + data->cy;
5414 int add, line_flag;
5415
5416 if (args != NULL && strcmp(args, "-o") == 0)
5417 line_flag = GRID_LINE_START_OUTPUT;
5418 else
5419 line_flag = GRID_LINE_START_PROMPT;
5420
5421 if (direction == 0) { /* up */
5422 add = -1;
5423 end_line = 0;
5424 } else { /* down */
5425 add = 1;
5426 end_line = gd->hsize + gd->sy - 1;
5427 }
5428
5429 if (line == end_line)
5430 return;
5431 for (;;) {
5432 if (line == end_line)
5433 return;
5434 line += add;
5435
5436 if (grid_get_line(gd, line)->flags & line_flag)
5437 break;
5438 }
5439
5440 data->cx = 0;
5441 if (line > gd->hsize) {
5442 data->cy = line - gd->hsize;
5443 data->oy = 0;
5444 } else {
5445 data->cy = 0;
5446 data->oy = gd->hsize - line;
5447 }
5448
5449 window_copy_update_selection(wme, 1, 0);
5450 window_copy_redraw_screen(wme);
5451 }
5452
5453 static void
window_copy_scroll_up(struct window_mode_entry * wme,u_int ny)5454 window_copy_scroll_up(struct window_mode_entry *wme, u_int ny)
5455 {
5456 struct window_pane *wp = wme->wp;
5457 struct window_copy_mode_data *data = wme->data;
5458 struct screen *s = &data->screen;
5459 struct screen_write_ctx ctx;
5460
5461 if (data->oy < ny)
5462 ny = data->oy;
5463 if (ny == 0)
5464 return;
5465 data->oy -= ny;
5466
5467 if (data->searchmark != NULL && !data->timeout)
5468 window_copy_search_marks(wme, NULL, data->searchregex, 1);
5469 window_copy_update_selection(wme, 0, 0);
5470
5471 screen_write_start_pane(&ctx, wp, NULL);
5472 screen_write_cursormove(&ctx, 0, 0, 0);
5473 screen_write_deleteline(&ctx, ny, 8);
5474 window_copy_write_lines(wme, &ctx, screen_size_y(s) - ny, ny);
5475 window_copy_write_line(wme, &ctx, 0);
5476 if (screen_size_y(s) > 1)
5477 window_copy_write_line(wme, &ctx, 1);
5478 if (screen_size_y(s) > 3)
5479 window_copy_write_line(wme, &ctx, screen_size_y(s) - 2);
5480 if (s->sel != NULL && screen_size_y(s) > ny)
5481 window_copy_write_line(wme, &ctx, screen_size_y(s) - ny - 1);
5482 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
5483 screen_write_stop(&ctx);
5484 }
5485
5486 static void
window_copy_scroll_down(struct window_mode_entry * wme,u_int ny)5487 window_copy_scroll_down(struct window_mode_entry *wme, u_int ny)
5488 {
5489 struct window_pane *wp = wme->wp;
5490 struct window_copy_mode_data *data = wme->data;
5491 struct screen *s = &data->screen;
5492 struct screen_write_ctx ctx;
5493
5494 if (ny > screen_hsize(data->backing))
5495 return;
5496
5497 if (data->oy > screen_hsize(data->backing) - ny)
5498 ny = screen_hsize(data->backing) - data->oy;
5499 if (ny == 0)
5500 return;
5501 data->oy += ny;
5502
5503 if (data->searchmark != NULL && !data->timeout)
5504 window_copy_search_marks(wme, NULL, data->searchregex, 1);
5505 window_copy_update_selection(wme, 0, 0);
5506
5507 screen_write_start_pane(&ctx, wp, NULL);
5508 screen_write_cursormove(&ctx, 0, 0, 0);
5509 screen_write_insertline(&ctx, ny, 8);
5510 window_copy_write_lines(wme, &ctx, 0, ny);
5511 if (s->sel != NULL && screen_size_y(s) > ny)
5512 window_copy_write_line(wme, &ctx, ny);
5513 else if (ny == 1) /* nuke position */
5514 window_copy_write_line(wme, &ctx, 1);
5515 screen_write_cursormove(&ctx, data->cx, data->cy, 0);
5516 screen_write_stop(&ctx);
5517 }
5518
5519 static void
window_copy_rectangle_set(struct window_mode_entry * wme,int rectflag)5520 window_copy_rectangle_set(struct window_mode_entry *wme, int rectflag)
5521 {
5522 struct window_copy_mode_data *data = wme->data;
5523 u_int px, py;
5524
5525 data->rectflag = rectflag;
5526
5527 py = screen_hsize(data->backing) + data->cy - data->oy;
5528 px = window_copy_find_length(wme, py);
5529 if (data->cx > px)
5530 window_copy_update_cursor(wme, px, data->cy);
5531
5532 window_copy_update_selection(wme, 1, 0);
5533 window_copy_redraw_screen(wme);
5534 }
5535
5536 static void
window_copy_move_mouse(struct mouse_event * m)5537 window_copy_move_mouse(struct mouse_event *m)
5538 {
5539 struct window_pane *wp;
5540 struct window_mode_entry *wme;
5541 u_int x, y;
5542
5543 wp = cmd_mouse_pane(m, NULL, NULL);
5544 if (wp == NULL)
5545 return;
5546 wme = TAILQ_FIRST(&wp->modes);
5547 if (wme == NULL)
5548 return;
5549 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5550 return;
5551
5552 if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
5553 return;
5554
5555 window_copy_update_cursor(wme, x, y);
5556 }
5557
5558 void
window_copy_start_drag(struct client * c,struct mouse_event * m)5559 window_copy_start_drag(struct client *c, struct mouse_event *m)
5560 {
5561 struct window_pane *wp;
5562 struct window_mode_entry *wme;
5563 struct window_copy_mode_data *data;
5564 u_int x, y, yg;
5565
5566 if (c == NULL)
5567 return;
5568
5569 wp = cmd_mouse_pane(m, NULL, NULL);
5570 if (wp == NULL)
5571 return;
5572 wme = TAILQ_FIRST(&wp->modes);
5573 if (wme == NULL)
5574 return;
5575 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5576 return;
5577
5578 if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
5579 return;
5580
5581 c->tty.mouse_drag_update = window_copy_drag_update;
5582 c->tty.mouse_drag_release = window_copy_drag_release;
5583
5584 data = wme->data;
5585 yg = screen_hsize(data->backing) + y - data->oy;
5586 if (x < data->selrx || x > data->endselrx || yg != data->selry)
5587 data->selflag = SEL_CHAR;
5588 switch (data->selflag) {
5589 case SEL_WORD:
5590 if (data->separators != NULL) {
5591 window_copy_update_cursor(wme, x, y);
5592 window_copy_cursor_previous_word_pos(wme,
5593 data->separators, &x, &y);
5594 y -= screen_hsize(data->backing) - data->oy;
5595 }
5596 window_copy_update_cursor(wme, x, y);
5597 break;
5598 case SEL_LINE:
5599 window_copy_update_cursor(wme, 0, y);
5600 break;
5601 case SEL_CHAR:
5602 window_copy_update_cursor(wme, x, y);
5603 window_copy_start_selection(wme);
5604 break;
5605 }
5606
5607 window_copy_redraw_screen(wme);
5608 window_copy_drag_update(c, m);
5609 }
5610
5611 static void
window_copy_drag_update(struct client * c,struct mouse_event * m)5612 window_copy_drag_update(struct client *c, struct mouse_event *m)
5613 {
5614 struct window_pane *wp;
5615 struct window_mode_entry *wme;
5616 struct window_copy_mode_data *data;
5617 u_int x, y, old_cx, old_cy;
5618 struct timeval tv = {
5619 .tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
5620 };
5621
5622 if (c == NULL)
5623 return;
5624
5625 wp = cmd_mouse_pane(m, NULL, NULL);
5626 if (wp == NULL)
5627 return;
5628 wme = TAILQ_FIRST(&wp->modes);
5629 if (wme == NULL)
5630 return;
5631 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5632 return;
5633
5634 data = wme->data;
5635 evtimer_del(&data->dragtimer);
5636
5637 if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
5638 return;
5639 old_cx = data->cx;
5640 old_cy = data->cy;
5641
5642 window_copy_update_cursor(wme, x, y);
5643 if (window_copy_update_selection(wme, 1, 0))
5644 window_copy_redraw_selection(wme, old_cy);
5645 if (old_cy != data->cy || old_cx == data->cx) {
5646 if (y == 0) {
5647 evtimer_add(&data->dragtimer, &tv);
5648 window_copy_cursor_up(wme, 1);
5649 } else if (y == screen_size_y(&data->screen) - 1) {
5650 evtimer_add(&data->dragtimer, &tv);
5651 window_copy_cursor_down(wme, 1);
5652 }
5653 }
5654 }
5655
5656 static void
window_copy_drag_release(struct client * c,struct mouse_event * m)5657 window_copy_drag_release(struct client *c, struct mouse_event *m)
5658 {
5659 struct window_pane *wp;
5660 struct window_mode_entry *wme;
5661 struct window_copy_mode_data *data;
5662
5663 if (c == NULL)
5664 return;
5665
5666 wp = cmd_mouse_pane(m, NULL, NULL);
5667 if (wp == NULL)
5668 return;
5669 wme = TAILQ_FIRST(&wp->modes);
5670 if (wme == NULL)
5671 return;
5672 if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
5673 return;
5674
5675 data = wme->data;
5676 evtimer_del(&data->dragtimer);
5677 }
5678
5679 static void
window_copy_jump_to_mark(struct window_mode_entry * wme)5680 window_copy_jump_to_mark(struct window_mode_entry *wme)
5681 {
5682 struct window_copy_mode_data *data = wme->data;
5683 u_int tmx, tmy;
5684
5685 tmx = data->cx;
5686 tmy = screen_hsize(data->backing) + data->cy - data->oy;
5687 data->cx = data->mx;
5688 if (data->my < screen_hsize(data->backing)) {
5689 data->cy = 0;
5690 data->oy = screen_hsize(data->backing) - data->my;
5691 } else {
5692 data->cy = data->my - screen_hsize(data->backing);
5693 data->oy = 0;
5694 }
5695 data->mx = tmx;
5696 data->my = tmy;
5697 data->showmark = 1;
5698 window_copy_update_selection(wme, 0, 0);
5699 window_copy_redraw_screen(wme);
5700 }
5701
5702 /* Scroll up if the cursor went off the visible screen. */
5703 static void
window_copy_acquire_cursor_up(struct window_mode_entry * wme,u_int hsize,u_int oy,u_int oldy,u_int px,u_int py)5704 window_copy_acquire_cursor_up(struct window_mode_entry *wme, u_int hsize,
5705 u_int oy, u_int oldy, u_int px, u_int py)
5706 {
5707 u_int cy, yy, ny, nd;
5708
5709 yy = hsize - oy;
5710 if (py < yy) {
5711 ny = yy - py;
5712 cy = 0;
5713 nd = 1;
5714 } else {
5715 ny = 0;
5716 cy = py - yy;
5717 nd = oldy - cy + 1;
5718 }
5719 while (ny > 0) {
5720 window_copy_cursor_up(wme, 1);
5721 ny--;
5722 }
5723 window_copy_update_cursor(wme, px, cy);
5724 if (window_copy_update_selection(wme, 1, 0))
5725 window_copy_redraw_lines(wme, cy, nd);
5726 }
5727
5728 /* Scroll down if the cursor went off the visible screen. */
5729 static void
window_copy_acquire_cursor_down(struct window_mode_entry * wme,u_int hsize,u_int sy,u_int oy,u_int oldy,u_int px,u_int py,int no_reset)5730 window_copy_acquire_cursor_down(struct window_mode_entry *wme, u_int hsize,
5731 u_int sy, u_int oy, u_int oldy, u_int px, u_int py, int no_reset)
5732 {
5733 u_int cy, yy, ny, nd;
5734
5735 cy = py - hsize + oy;
5736 yy = sy - 1;
5737 if (cy > yy) {
5738 ny = cy - yy;
5739 oldy = yy;
5740 nd = 1;
5741 } else {
5742 ny = 0;
5743 nd = cy - oldy + 1;
5744 }
5745 while (ny > 0) {
5746 window_copy_cursor_down(wme, 1);
5747 ny--;
5748 }
5749 if (cy > yy)
5750 window_copy_update_cursor(wme, px, yy);
5751 else
5752 window_copy_update_cursor(wme, px, cy);
5753 if (window_copy_update_selection(wme, 1, no_reset))
5754 window_copy_redraw_lines(wme, oldy, nd);
5755 }
5756