1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <ctype.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "tmux.h"
26:
27: static const char *window_copy_key_table(struct window_pane *);
28: static void window_copy_command(struct window_pane *, struct client *,
29: struct session *, struct args *, struct mouse_event *);
30: static struct screen *window_copy_init(struct window_pane *);
31: static void window_copy_free(struct window_pane *);
32: static int window_copy_pagedown(struct window_pane *, int);
33: static void window_copy_next_paragraph(struct window_pane *);
34: static void window_copy_previous_paragraph(struct window_pane *);
35: static void window_copy_resize(struct window_pane *, u_int, u_int);
36:
37: static void window_copy_redraw_selection(struct window_pane *, u_int);
38: static void window_copy_redraw_lines(struct window_pane *, u_int, u_int);
39: static void window_copy_redraw_screen(struct window_pane *);
40: static void window_copy_write_line(struct window_pane *,
41: struct screen_write_ctx *, u_int);
42: static void window_copy_write_lines(struct window_pane *,
43: struct screen_write_ctx *, u_int, u_int);
44:
45: static void window_copy_scroll_to(struct window_pane *, u_int, u_int);
46: static int window_copy_search_compare(struct grid *, u_int, u_int,
47: struct grid *, u_int, int);
48: static int window_copy_search_lr(struct grid *, struct grid *, u_int *,
49: u_int, u_int, u_int, int);
50: static int window_copy_search_rl(struct grid *, struct grid *, u_int *,
51: u_int, u_int, u_int, int);
52: static int window_copy_search_marks(struct window_pane *, struct screen *);
53: static void window_copy_clear_marks(struct window_pane *);
54: static void window_copy_move_left(struct screen *, u_int *, u_int *);
55: static void window_copy_move_right(struct screen *, u_int *, u_int *);
56: static int window_copy_is_lowercase(const char *);
57: static int window_copy_search_jump(struct window_pane *, struct grid *,
58: struct grid *, u_int, u_int, u_int, int, int, int);
59: static int window_copy_search(struct window_pane *, int, int);
60: static int window_copy_search_up(struct window_pane *, int);
61: static int window_copy_search_down(struct window_pane *, int);
62: static void window_copy_goto_line(struct window_pane *, const char *);
63: static void window_copy_update_cursor(struct window_pane *, u_int, u_int);
64: static void window_copy_start_selection(struct window_pane *);
65: static int window_copy_adjust_selection(struct window_pane *, u_int *,
66: u_int *);
67: static int window_copy_update_selection(struct window_pane *, int);
68: static void window_copy_synchronize_cursor(struct window_pane *wp);
69: static void *window_copy_get_selection(struct window_pane *, size_t *);
70: static void window_copy_copy_buffer(struct window_pane *, const char *,
71: void *, size_t);
72: static void window_copy_copy_pipe(struct window_pane *, struct session *,
73: const char *, const char *);
74: static void window_copy_copy_selection(struct window_pane *, const char *);
75: static void window_copy_append_selection(struct window_pane *,
76: const char *);
77: static void window_copy_clear_selection(struct window_pane *);
78: static void window_copy_copy_line(struct window_pane *, char **, size_t *,
79: u_int, u_int, u_int);
80: static int window_copy_in_set(struct window_pane *, u_int, u_int,
81: const char *);
82: static u_int window_copy_find_length(struct window_pane *, u_int);
83: static void window_copy_cursor_start_of_line(struct window_pane *);
84: static void window_copy_cursor_back_to_indentation(struct window_pane *);
85: static void window_copy_cursor_end_of_line(struct window_pane *);
86: static void window_copy_other_end(struct window_pane *);
87: static void window_copy_cursor_left(struct window_pane *);
88: static void window_copy_cursor_right(struct window_pane *);
89: static void window_copy_cursor_up(struct window_pane *, int);
90: static void window_copy_cursor_down(struct window_pane *, int);
91: static void window_copy_cursor_jump(struct window_pane *);
92: static void window_copy_cursor_jump_back(struct window_pane *);
93: static void window_copy_cursor_jump_to(struct window_pane *, int);
94: static void window_copy_cursor_jump_to_back(struct window_pane *, int);
95: static void window_copy_cursor_next_word(struct window_pane *,
96: const char *);
97: static void window_copy_cursor_next_word_end(struct window_pane *,
98: const char *);
99: static void window_copy_cursor_previous_word(struct window_pane *,
100: const char *);
101: static void window_copy_scroll_up(struct window_pane *, u_int);
102: static void window_copy_scroll_down(struct window_pane *, u_int);
103: static void window_copy_rectangle_toggle(struct window_pane *);
104: static void window_copy_move_mouse(struct mouse_event *);
105: static void window_copy_drag_update(struct client *, struct mouse_event *);
106:
107: const struct window_mode window_copy_mode = {
108: .init = window_copy_init,
109: .free = window_copy_free,
110: .resize = window_copy_resize,
111: .key_table = window_copy_key_table,
112: .command = window_copy_command,
113: };
114:
115: enum {
116: WINDOW_COPY_OFF,
117: WINDOW_COPY_SEARCHUP,
118: WINDOW_COPY_SEARCHDOWN,
119: WINDOW_COPY_JUMPFORWARD,
120: WINDOW_COPY_JUMPBACKWARD,
121: WINDOW_COPY_JUMPTOFORWARD,
122: WINDOW_COPY_JUMPTOBACKWARD,
123: };
124:
125: enum {
126: WINDOW_COPY_REL_POS_ABOVE,
127: WINDOW_COPY_REL_POS_ON_SCREEN,
128: WINDOW_COPY_REL_POS_BELOW,
129: };
130:
131: /*
132: * Copy mode's visible screen (the "screen" field) is filled from one of two
133: * sources: the original contents of the pane (used when we actually enter via
134: * the "copy-mode" command, to copy the contents of the current pane), or else
135: * a series of lines containing the output from an output-writing tmux command
136: * (such as any of the "show-*" or "list-*" commands).
137: *
138: * In either case, the full content of the copy-mode grid is pointed at by the
139: * "backing" field, and is copied into "screen" as needed (that is, when
140: * scrolling occurs). When copy-mode is backed by a pane, backing points
141: * directly at that pane's screen structure (&wp->base); when backed by a list
142: * of output-lines from a command, it points at a newly-allocated screen
143: * structure (which is deallocated when the mode ends).
144: */
145: struct window_copy_mode_data {
146: struct screen screen;
147:
148: struct screen *backing;
149: int backing_written; /* backing display started */
150:
151: u_int oy; /* number of lines scrolled up */
152:
153: u_int selx; /* beginning of selection */
154: u_int sely;
155:
156: u_int endselx; /* end of selection */
157: u_int endsely;
158:
159: enum {
160: CURSORDRAG_NONE, /* selection is independent of cursor */
161: CURSORDRAG_ENDSEL, /* end is synchronized with cursor */
162: CURSORDRAG_SEL, /* start is synchronized with cursor */
163: } cursordrag;
164:
165: int rectflag; /* in rectangle copy mode? */
166: int scroll_exit; /* exit on scroll to end? */
167:
168: u_int cx;
169: u_int cy;
170:
171: u_int lastcx; /* position in last line w/ content */
172: u_int lastsx; /* size of last line w/ content */
173:
174: int searchtype;
175: char *searchstr;
176: bitstr_t *searchmark;
177: u_int searchcount;
178: int searchthis;
179: int searchx;
180: int searchy;
181: int searcho;
182:
183: int jumptype;
184: char jumpchar;
185: };
186:
187: static struct screen *
188: window_copy_init(struct window_pane *wp)
189: {
190: struct window_copy_mode_data *data;
191: struct screen *s;
192:
193: wp->modedata = data = xmalloc(sizeof *data);
194:
195: data->oy = 0;
196: data->cx = 0;
197: data->cy = 0;
198:
199: data->cursordrag = CURSORDRAG_NONE;
200:
201: data->lastcx = 0;
202: data->lastsx = 0;
203:
204: data->backing_written = 0;
205:
206: data->rectflag = 0;
207: data->scroll_exit = 0;
208:
209: data->searchtype = WINDOW_COPY_OFF;
210: data->searchstr = NULL;
211: data->searchmark = NULL;
212: data->searchx = data->searchy = data->searcho = -1;
213:
214: if (wp->fd != -1)
215: bufferevent_disable(wp->event, EV_READ|EV_WRITE);
216:
217: data->jumptype = WINDOW_COPY_OFF;
218: data->jumpchar = '\0';
219:
220: s = &data->screen;
221: screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
222: s->sel.modekeys = options_get_number(wp->window->options, "mode-keys");
223:
224: data->backing = NULL;
225:
226: return (s);
227: }
228:
229: void
230: window_copy_init_from_pane(struct window_pane *wp, int scroll_exit)
231: {
232: struct window_copy_mode_data *data = wp->modedata;
233: struct screen *s = &data->screen;
234: struct screen_write_ctx ctx;
235: u_int i;
236:
237: if (wp->mode != &window_copy_mode)
238: fatalx("not in copy mode");
239:
240: data->backing = &wp->base;
241: data->cx = data->backing->cx;
242: data->cy = data->backing->cy;
243: data->scroll_exit = scroll_exit;
244:
245: s->cx = data->cx;
246: s->cy = data->cy;
247:
248: screen_write_start(&ctx, NULL, s);
249: for (i = 0; i < screen_size_y(s); i++)
250: window_copy_write_line(wp, &ctx, i);
251: screen_write_cursormove(&ctx, data->cx, data->cy);
252: screen_write_stop(&ctx);
253: }
254:
255: void
256: window_copy_init_for_output(struct window_pane *wp)
257: {
258: struct window_copy_mode_data *data = wp->modedata;
259:
260: data->backing = xmalloc(sizeof *data->backing);
261: screen_init(data->backing, screen_size_x(&wp->base),
262: screen_size_y(&wp->base), UINT_MAX);
263: }
264:
265: static void
266: window_copy_free(struct window_pane *wp)
267: {
268: struct window_copy_mode_data *data = wp->modedata;
269:
270: if (wp->fd != -1)
271: bufferevent_enable(wp->event, EV_READ|EV_WRITE);
272:
273: free(data->searchmark);
274: free(data->searchstr);
275:
276: if (data->backing != &wp->base) {
277: screen_free(data->backing);
278: free(data->backing);
279: }
280: screen_free(&data->screen);
281:
282: free(data);
283: }
284:
285: void
286: window_copy_add(struct window_pane *wp, const char *fmt, ...)
287: {
288: va_list ap;
289:
290: va_start(ap, fmt);
291: window_copy_vadd(wp, fmt, ap);
292: va_end(ap);
293: }
294:
295: void
296: window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap)
297: {
298: struct window_copy_mode_data *data = wp->modedata;
299: struct screen *backing = data->backing;
300: struct screen_write_ctx back_ctx, ctx;
301: struct grid_cell gc;
302: u_int old_hsize, old_cy;
303:
304: if (backing == &wp->base)
305: return;
306:
307: memcpy(&gc, &grid_default_cell, sizeof gc);
308:
309: old_hsize = screen_hsize(data->backing);
310: screen_write_start(&back_ctx, NULL, backing);
311: if (data->backing_written) {
312: /*
313: * On the second or later line, do a CRLF before writing
314: * (so it's on a new line).
315: */
316: screen_write_carriagereturn(&back_ctx);
317: screen_write_linefeed(&back_ctx, 0);
318: } else
319: data->backing_written = 1;
320: old_cy = backing->cy;
321: screen_write_vnputs(&back_ctx, 0, &gc, fmt, ap);
322: screen_write_stop(&back_ctx);
323:
324: data->oy += screen_hsize(data->backing) - old_hsize;
325:
326: screen_write_start(&ctx, wp, &data->screen);
327:
328: /*
329: * If the history has changed, draw the top line.
330: * (If there's any history at all, it has changed.)
331: */
332: if (screen_hsize(data->backing))
333: window_copy_redraw_lines(wp, 0, 1);
334:
335: /* Write the new lines. */
336: window_copy_redraw_lines(wp, old_cy, backing->cy - old_cy + 1);
337:
338: screen_write_stop(&ctx);
339: }
340:
341: void
342: window_copy_pageup(struct window_pane *wp, int half_page)
343: {
344: struct window_copy_mode_data *data = wp->modedata;
345: struct screen *s = &data->screen;
346: u_int n, ox, oy, px, py;
347:
348: oy = screen_hsize(data->backing) + data->cy - data->oy;
349: ox = window_copy_find_length(wp, oy);
350:
351: if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
352: window_copy_other_end(wp);
353:
354: if (data->cx != ox) {
355: data->lastcx = data->cx;
356: data->lastsx = ox;
357: }
358: data->cx = data->lastcx;
359:
360: n = 1;
361: if (screen_size_y(s) > 2) {
362: if (half_page)
363: n = screen_size_y(s) / 2;
364: else
365: n = screen_size_y(s) - 2;
366: }
367:
368: if (data->oy + n > screen_hsize(data->backing))
369: data->oy = screen_hsize(data->backing);
370: else
371: data->oy += n;
372:
373: if (!data->screen.sel.flag || !data->rectflag) {
374: py = screen_hsize(data->backing) + data->cy - data->oy;
375: px = window_copy_find_length(wp, py);
376: if ((data->cx >= data->lastsx && data->cx != px) ||
377: data->cx > px)
378: window_copy_cursor_end_of_line(wp);
379: }
380:
381: window_copy_update_selection(wp, 1);
382: window_copy_redraw_screen(wp);
383: }
384:
385: static int
386: window_copy_pagedown(struct window_pane *wp, int half_page)
387: {
388: struct window_copy_mode_data *data = wp->modedata;
389: struct screen *s = &data->screen;
390: u_int n, ox, oy, px, py;
391:
392: oy = screen_hsize(data->backing) + data->cy - data->oy;
393: ox = window_copy_find_length(wp, oy);
394:
395: if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT && oy == data->sely)
396: window_copy_other_end(wp);
397:
398: if (data->cx != ox) {
399: data->lastcx = data->cx;
400: data->lastsx = ox;
401: }
402: data->cx = data->lastcx;
403:
404: n = 1;
405: if (screen_size_y(s) > 2) {
406: if (half_page)
407: n = screen_size_y(s) / 2;
408: else
409: n = screen_size_y(s) - 2;
410: }
411:
412: if (data->oy < n)
413: data->oy = 0;
414: else
415: data->oy -= n;
416:
417: if (!data->screen.sel.flag || !data->rectflag) {
418: py = screen_hsize(data->backing) + data->cy - data->oy;
419: px = window_copy_find_length(wp, py);
420: if ((data->cx >= data->lastsx && data->cx != px) ||
421: data->cx > px)
422: window_copy_cursor_end_of_line(wp);
423: }
424:
425: if (data->scroll_exit && data->oy == 0)
426: return (1);
427: window_copy_update_selection(wp, 1);
428: window_copy_redraw_screen(wp);
429: return (0);
430: }
431:
432: static void
433: window_copy_previous_paragraph(struct window_pane *wp)
434: {
435: struct window_copy_mode_data *data = wp->modedata;
436: u_int oy;
437:
438: oy = screen_hsize(data->backing) + data->cy - data->oy;
439:
440: while (oy > 0 && window_copy_find_length(wp, oy) == 0)
441: oy--;
442:
443: while (oy > 0 && window_copy_find_length(wp, oy) > 0)
444: oy--;
445:
446: window_copy_scroll_to(wp, 0, oy);
447: }
448:
449: static void
450: window_copy_next_paragraph(struct window_pane *wp)
451: {
452: struct window_copy_mode_data *data = wp->modedata;
453: struct screen *s = &data->screen;
454: u_int maxy, ox, oy;
455:
456: oy = screen_hsize(data->backing) + data->cy - data->oy;
457: maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
458:
459: while (oy < maxy && window_copy_find_length(wp, oy) == 0)
460: oy++;
461:
462: while (oy < maxy && window_copy_find_length(wp, oy) > 0)
463: oy++;
464:
465: ox = window_copy_find_length(wp, oy);
466: window_copy_scroll_to(wp, ox, oy);
467: }
468:
469: static void
470: window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
471: {
472: struct window_copy_mode_data *data = wp->modedata;
473: struct screen *s = &data->screen;
474: struct screen_write_ctx ctx;
475:
476: screen_resize(s, sx, sy, 1);
477: if (data->backing != &wp->base)
478: screen_resize(data->backing, sx, sy, 1);
479:
480: if (data->cy > sy - 1)
481: data->cy = sy - 1;
482: if (data->cx > sx)
483: data->cx = sx;
484: if (data->oy > screen_hsize(data->backing))
485: data->oy = screen_hsize(data->backing);
486:
487: window_copy_clear_selection(wp);
488:
489: screen_write_start(&ctx, NULL, s);
490: window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
491: screen_write_stop(&ctx);
492:
493: if (data->searchmark != NULL)
494: window_copy_search_marks(wp, NULL);
495: data->searchx = data->cx;
496: data->searchy = data->cy;
497: data->searcho = data->oy;
498:
499: window_copy_redraw_screen(wp);
500: }
501:
502: static const char *
503: window_copy_key_table(struct window_pane *wp)
504: {
505: if (options_get_number(wp->window->options, "mode-keys") == MODEKEY_VI)
506: return ("copy-mode-vi");
507: return ("copy-mode");
508: }
509:
510: static void
511: window_copy_command(struct window_pane *wp, struct client *c, struct session *s,
512: struct args *args, struct mouse_event *m)
513: {
514: struct window_copy_mode_data *data = wp->modedata;
515: struct screen *sn = &data->screen;
516: const char *command, *argument, *ws;
517: u_int np = wp->modeprefix;
518: int cancel = 0, redraw = 0;
519: char prefix;
520:
521: if (args->argc == 0)
522: return;
523: command = args->argv[0];
524:
525: if (m != NULL && m->valid)
526: window_copy_move_mouse(m);
527:
528: if (args->argc == 1) {
529: if (strcmp(command, "append-selection") == 0) {
530: if (s != NULL)
531: window_copy_append_selection(wp, NULL);
532: window_copy_clear_selection(wp);
533: redraw = 1;
534: }
535: if (strcmp(command, "append-selection-and-cancel") == 0) {
536: if (s != NULL)
537: window_copy_append_selection(wp, NULL);
538: window_copy_clear_selection(wp);
539: redraw = 1;
540: cancel = 1;
541: }
542: if (strcmp(command, "back-to-indentation") == 0)
543: window_copy_cursor_back_to_indentation(wp);
544: if (strcmp(command, "begin-selection") == 0) {
545: if (m != NULL)
546: window_copy_start_drag(c, m);
547: else {
548: sn->sel.lineflag = LINE_SEL_NONE;
549: window_copy_start_selection(wp);
550: redraw = 1;
551: }
552: }
553: if (strcmp(command, "stop-selection") == 0)
554: data->cursordrag = CURSORDRAG_NONE;
555: if (strcmp(command, "bottom-line") == 0) {
556: data->cx = 0;
557: data->cy = screen_size_y(sn) - 1;
558: window_copy_update_selection(wp, 1);
559: redraw = 1;
560: }
561: if (strcmp(command, "cancel") == 0)
562: cancel = 1;
563: if (strcmp(command, "clear-selection") == 0) {
564: window_copy_clear_selection(wp);
565: redraw = 1;
566: }
567: if (strcmp(command, "copy-end-of-line") == 0) {
568: window_copy_start_selection(wp);
569: for (; np > 1; np--)
570: window_copy_cursor_down(wp, 0);
571: window_copy_cursor_end_of_line(wp);
572: redraw = 1;
573:
574: if (s != NULL) {
575: window_copy_copy_selection(wp, NULL);
576: cancel = 1;
577: }
578: }
579: if (strcmp(command, "copy-line") == 0) {
580: window_copy_cursor_start_of_line(wp);
581: window_copy_start_selection(wp);
582: for (; np > 1; np--)
583: window_copy_cursor_down(wp, 0);
584: window_copy_cursor_end_of_line(wp);
585: redraw = 1;
586:
587: if (s != NULL) {
588: window_copy_copy_selection(wp, NULL);
589: cancel = 1;
590: }
591: }
592: if (strcmp(command, "copy-selection") == 0) {
593: if (s != NULL)
594: window_copy_copy_selection(wp, NULL);
595: window_copy_clear_selection(wp);
596: redraw = 1;
597: }
598: if (strcmp(command, "copy-selection-and-cancel") == 0) {
599: if (s != NULL)
600: window_copy_copy_selection(wp, NULL);
601: window_copy_clear_selection(wp);
602: redraw = 1;
603: cancel = 1;
604: }
605: if (strcmp(command, "cursor-down") == 0) {
606: for (; np != 0; np--)
607: window_copy_cursor_down(wp, 0);
608: }
609: if (strcmp(command, "cursor-left") == 0) {
610: for (; np != 0; np--)
611: window_copy_cursor_left(wp);
612: }
613: if (strcmp(command, "cursor-right") == 0) {
614: for (; np != 0; np--)
615: window_copy_cursor_right(wp);
616: }
617: if (strcmp(command, "cursor-up") == 0) {
618: for (; np != 0; np--)
619: window_copy_cursor_up(wp, 0);
620: }
621: if (strcmp(command, "end-of-line") == 0)
622: window_copy_cursor_end_of_line(wp);
623: if (strcmp(command, "halfpage-down") == 0) {
624: for (; np != 0; np--) {
625: if (window_copy_pagedown(wp, 1)) {
626: cancel = 1;
627: break;
628: }
629: }
630: }
631: if (strcmp(command, "halfpage-up") == 0) {
632: for (; np != 0; np--)
633: window_copy_pageup(wp, 1);
634: }
635: if (strcmp(command, "history-bottom") == 0) {
636: data->cx = 0;
637: data->cy = screen_size_y(sn) - 1;
638: data->oy = 0;
639: window_copy_update_selection(wp, 1);
640: redraw = 1;
641: }
642: if (strcmp(command, "history-top") == 0) {
643: data->cx = 0;
644: data->cy = 0;
645: data->oy = screen_hsize(data->backing);
646: window_copy_update_selection(wp, 1);
647: redraw = 1;
648: }
649: if (strcmp(command, "jump-again") == 0) {
650: switch (data->jumptype) {
651: case WINDOW_COPY_JUMPFORWARD:
652: for (; np != 0; np--)
653: window_copy_cursor_jump(wp);
654: break;
655: case WINDOW_COPY_JUMPBACKWARD:
656: for (; np != 0; np--)
657: window_copy_cursor_jump_back(wp);
658: break;
659: case WINDOW_COPY_JUMPTOFORWARD:
660: for (; np != 0; np--)
661: window_copy_cursor_jump_to(wp, 1);
662: break;
663: case WINDOW_COPY_JUMPTOBACKWARD:
664: for (; np != 0; np--)
665: window_copy_cursor_jump_to_back(wp, 1);
666: break;
667: }
668: }
669: if (strcmp(command, "jump-reverse") == 0) {
670: switch (data->jumptype) {
671: case WINDOW_COPY_JUMPFORWARD:
672: for (; np != 0; np--)
673: window_copy_cursor_jump_back(wp);
674: break;
675: case WINDOW_COPY_JUMPBACKWARD:
676: for (; np != 0; np--)
677: window_copy_cursor_jump(wp);
678: break;
679: case WINDOW_COPY_JUMPTOFORWARD:
680: for (; np != 0; np--)
681: window_copy_cursor_jump_to_back(wp, 1);
682: break;
683: case WINDOW_COPY_JUMPTOBACKWARD:
684: for (; np != 0; np--)
685: window_copy_cursor_jump_to(wp, 1);
686: break;
687: }
688: }
689: if (strcmp(command, "middle-line") == 0) {
690: data->cx = 0;
691: data->cy = (screen_size_y(sn) - 1) / 2;
692: window_copy_update_selection(wp, 1);
693: redraw = 1;
694: }
695: if (strcmp(command, "next-paragraph") == 0) {
696: for (; np != 0; np--)
697: window_copy_next_paragraph(wp);
698: }
699: if (strcmp(command, "next-space") == 0) {
700: for (; np != 0; np--)
701: window_copy_cursor_next_word(wp, " ");
702: }
703: if (strcmp(command, "next-space-end") == 0) {
704: for (; np != 0; np--)
705: window_copy_cursor_next_word_end(wp, " ");
706: }
707: if (strcmp(command, "next-word") == 0) {
708: ws = options_get_string(s->options, "word-separators");
709: for (; np != 0; np--)
710: window_copy_cursor_next_word(wp, ws);
711: }
712: if (strcmp(command, "next-word-end") == 0) {
713: ws = options_get_string(s->options, "word-separators");
714: for (; np != 0; np--)
715: window_copy_cursor_next_word_end(wp, ws);
716: }
717: if (strcmp(command, "other-end") == 0) {
718: if ((np % 2) != 0)
719: window_copy_other_end(wp);
720: }
721: if (strcmp(command, "page-down") == 0) {
722: for (; np != 0; np--) {
723: if (window_copy_pagedown(wp, 0)) {
724: cancel = 1;
725: break;
726: }
727: }
728: }
729: if (strcmp(command, "page-up") == 0) {
730: for (; np != 0; np--)
731: window_copy_pageup(wp, 0);
732: }
733: if (strcmp(command, "previous-paragraph") == 0) {
734: for (; np != 0; np--)
735: window_copy_previous_paragraph(wp);
736: }
737: if (strcmp(command, "previous-space") == 0) {
738: for (; np != 0; np--)
739: window_copy_cursor_previous_word(wp, " ");
740: }
741: if (strcmp(command, "previous-word") == 0) {
742: ws = options_get_string(s->options, "word-separators");
743: for (; np != 0; np--)
744: window_copy_cursor_previous_word(wp, ws);
745: }
746: if (strcmp(command, "rectangle-toggle") == 0) {
747: sn->sel.lineflag = LINE_SEL_NONE;
748: window_copy_rectangle_toggle(wp);
749: }
750: if (strcmp(command, "scroll-down") == 0) {
751: for (; np != 0; np--)
752: window_copy_cursor_down(wp, 1);
753: if (data->scroll_exit && data->oy == 0)
754: cancel = 1;
755: }
756: if (strcmp(command, "scroll-up") == 0) {
757: for (; np != 0; np--)
758: window_copy_cursor_up(wp, 1);
759: }
760: if (strcmp(command, "search-again") == 0) {
761: if (data->searchtype == WINDOW_COPY_SEARCHUP) {
762: for (; np != 0; np--)
763: window_copy_search_up(wp, 1);
764: } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
765: for (; np != 0; np--)
766: window_copy_search_down(wp, 1);
767: }
768: }
769: if (strcmp(command, "search-reverse") == 0) {
770: if (data->searchtype == WINDOW_COPY_SEARCHUP) {
771: for (; np != 0; np--)
772: window_copy_search_down(wp, 1);
773: } else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
774: for (; np != 0; np--)
775: window_copy_search_up(wp, 1);
776: }
777: }
778: if (strcmp(command, "select-line") == 0) {
779: sn->sel.lineflag = LINE_SEL_LEFT_RIGHT;
780: data->rectflag = 0;
781: window_copy_cursor_start_of_line(wp);
782: window_copy_start_selection(wp);
783: for (; np > 1; np--)
784: window_copy_cursor_down(wp, 0);
785: window_copy_cursor_end_of_line(wp);
786: redraw = 1;
787: }
788: if (strcmp(command, "select-word") == 0) {
789: sn->sel.lineflag = LINE_SEL_LEFT_RIGHT;
790: data->rectflag = 0;
791: ws = options_get_string(s->options, "word-separators");
792: window_copy_cursor_previous_word(wp, ws);
793: window_copy_start_selection(wp);
794: window_copy_cursor_next_word_end(wp, ws);
795: redraw = 1;
796: }
797: if (strcmp(command, "start-of-line") == 0)
798: window_copy_cursor_start_of_line(wp);
799: if (strcmp(command, "top-line") == 0) {
800: data->cx = 0;
801: data->cy = 0;
802: window_copy_update_selection(wp, 1);
803: redraw = 1;
804: }
805: } else if (args->argc == 2 && *args->argv[1] != '\0') {
806: argument = args->argv[1];
807: if (strcmp(command, "copy-pipe") == 0) {
808: if (s != NULL)
809: window_copy_copy_pipe(wp, s, NULL, argument);
810: }
811: if (strcmp(command, "copy-pipe-and-cancel") == 0) {
812: if (s != NULL) {
813: window_copy_copy_pipe(wp, s, NULL, argument);
814: cancel = 1;
815: }
816: }
817: if (strcmp(command, "goto-line") == 0)
818: window_copy_goto_line(wp, argument);
819: if (strcmp(command, "jump-backward") == 0) {
820: data->jumptype = WINDOW_COPY_JUMPBACKWARD;
821: data->jumpchar = *argument;
822: for (; np != 0; np--)
823: window_copy_cursor_jump_back(wp);
824: }
825: if (strcmp(command, "jump-forward") == 0) {
826: data->jumptype = WINDOW_COPY_JUMPFORWARD;
827: data->jumpchar = *argument;
828: for (; np != 0; np--)
829: window_copy_cursor_jump(wp);
830: }
831: if (strcmp(command, "jump-to-backward") == 0) {
832: data->jumptype = WINDOW_COPY_JUMPTOBACKWARD;
833: data->jumpchar = *argument;
834: for (; np != 0; np--)
835: window_copy_cursor_jump_to_back(wp, 1);
836: }
837: if (strcmp(command, "jump-to-forward") == 0) {
838: data->jumptype = WINDOW_COPY_JUMPTOFORWARD;
839: data->jumpchar = *argument;
840: for (; np != 0; np--)
841: window_copy_cursor_jump_to(wp, 1);
842: }
843: if (strcmp(command, "search-backward") == 0) {
844: data->searchtype = WINDOW_COPY_SEARCHUP;
845: free(data->searchstr);
846: data->searchstr = xstrdup(argument);
847: for (; np != 0; np--)
848: window_copy_search_up(wp, 1);
849: }
850: if (strcmp(command, "search-forward") == 0) {
851: data->searchtype = WINDOW_COPY_SEARCHDOWN;
852: free(data->searchstr);
853: data->searchstr = xstrdup(argument);
854: for (; np != 0; np--)
855: window_copy_search_down(wp, 1);
856: }
857: if (strcmp(command, "search-backward-incremental") == 0) {
858: prefix = *argument++;
859: if (data->searchx == -1 || data->searchy == -1) {
860: data->searchx = data->cx;
861: data->searchy = data->cy;
862: data->searcho = data->oy;
863: } else if (data->searchstr != NULL &&
864: strcmp(argument, data->searchstr) != 0) {
865: data->cx = data->searchx;
866: data->cy = data->searchy;
867: data->oy = data->searcho;
868: redraw = 1;
869: }
870: if (*argument == '\0') {
871: window_copy_clear_marks(wp);
872: redraw = 1;
873: } else if (prefix == '=' || prefix == '-') {
874: data->searchtype = WINDOW_COPY_SEARCHUP;
875: free(data->searchstr);
876: data->searchstr = xstrdup(argument);
877: if (!window_copy_search_up(wp, 1)) {
878: window_copy_clear_marks(wp);
879: redraw = 1;
880: }
881: } else if (prefix == '+') {
882: data->searchtype = WINDOW_COPY_SEARCHDOWN;
883: free(data->searchstr);
884: data->searchstr = xstrdup(argument);
885: if (!window_copy_search_down(wp, 1)) {
886: window_copy_clear_marks(wp);
887: redraw = 1;
888: }
889: }
890: }
891: if (strcmp(command, "search-forward-incremental") == 0) {
892: prefix = *argument++;
893: if (data->searchx == -1 || data->searchy == -1) {
894: data->searchx = data->cx;
895: data->searchy = data->cy;
896: data->searcho = data->oy;
897: } else if (data->searchstr != NULL &&
898: strcmp(argument, data->searchstr) != 0) {
899: data->cx = data->searchx;
900: data->cy = data->searchy;
901: data->oy = data->searcho;
902: redraw = 1;
903: }
904: if (*argument == '\0') {
905: window_copy_clear_marks(wp);
906: redraw = 1;
907: } else if (prefix == '=' || prefix == '+') {
908: data->searchtype = WINDOW_COPY_SEARCHDOWN;
909: free(data->searchstr);
910: data->searchstr = xstrdup(argument);
911: if (!window_copy_search_down(wp, 1)) {
912: window_copy_clear_marks(wp);
913: redraw = 1;
914: }
915: } else if (prefix == '-') {
916: data->searchtype = WINDOW_COPY_SEARCHUP;
917: free(data->searchstr);
918: data->searchstr = xstrdup(argument);
919: if (!window_copy_search_up(wp, 1)) {
920: window_copy_clear_marks(wp);
921: redraw = 1;
922: }
923: }
924: }
925: }
926:
927: if (strncmp(command, "search-", 7) != 0 && data->searchmark != NULL) {
928: window_copy_clear_marks(wp);
929: redraw = 1;
930: data->searchx = data->searchy = -1;
931: }
932:
933: if (cancel)
934: window_pane_reset_mode(wp);
935: else if (redraw)
936: window_copy_redraw_screen(wp);
937: wp->modeprefix = 1;
938: }
939:
940: static void
941: window_copy_scroll_to(struct window_pane *wp, u_int px, u_int py)
942: {
943: struct window_copy_mode_data *data = wp->modedata;
944: struct grid *gd = data->backing->grid;
945: u_int offset, gap;
946:
947: data->cx = px;
948:
949: gap = gd->sy / 4;
950: if (py < gd->sy) {
951: offset = 0;
952: data->cy = py;
953: } else if (py > gd->hsize + gd->sy - gap) {
954: offset = gd->hsize;
955: data->cy = py - gd->hsize;
956: } else {
957: offset = py + gap - gd->sy;
958: data->cy = py - offset;
959: }
960: data->oy = gd->hsize - offset;
961:
962: window_copy_update_selection(wp, 1);
963: window_copy_redraw_screen(wp);
964: }
965:
966: static int
967: window_copy_search_compare(struct grid *gd, u_int px, u_int py,
968: struct grid *sgd, u_int spx, int cis)
969: {
970: struct grid_cell gc, sgc;
971: const struct utf8_data *ud, *sud;
972:
973: grid_get_cell(gd, px, py, &gc);
974: ud = &gc.data;
975: grid_get_cell(sgd, spx, 0, &sgc);
976: sud = &sgc.data;
977:
978: if (ud->size != sud->size || ud->width != sud->width)
979: return (0);
980:
981: if (cis && ud->size == 1)
982: return (tolower(ud->data[0]) == sud->data[0]);
983:
984: return (memcmp(ud->data, sud->data, ud->size) == 0);
985: }
986:
987: static int
988: window_copy_search_lr(struct grid *gd,
989: struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
990: {
991: u_int ax, bx, px;
992: int matched;
993:
994: for (ax = first; ax < last; ax++) {
995: if (ax + sgd->sx >= gd->sx)
996: break;
997: for (bx = 0; bx < sgd->sx; bx++) {
998: px = ax + bx;
999: matched = window_copy_search_compare(gd, px, py, sgd,
1000: bx, cis);
1001: if (!matched)
1002: break;
1003: }
1004: if (bx == sgd->sx) {
1005: *ppx = ax;
1006: return (1);
1007: }
1008: }
1009: return (0);
1010: }
1011:
1012: static int
1013: window_copy_search_rl(struct grid *gd,
1014: struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
1015: {
1016: u_int ax, bx, px;
1017: int matched;
1018:
1019: for (ax = last + 1; ax > first; ax--) {
1020: if (gd->sx - (ax - 1) < sgd->sx)
1021: continue;
1022: for (bx = 0; bx < sgd->sx; bx++) {
1023: px = ax - 1 + bx;
1024: matched = window_copy_search_compare(gd, px, py, sgd,
1025: bx, cis);
1026: if (!matched)
1027: break;
1028: }
1029: if (bx == sgd->sx) {
1030: *ppx = ax - 1;
1031: return (1);
1032: }
1033: }
1034: return (0);
1035: }
1036:
1037: static void
1038: window_copy_move_left(struct screen *s, u_int *fx, u_int *fy)
1039: {
1040: if (*fx == 0) { /* left */
1041: if (*fy == 0) /* top */
1042: return;
1043: *fx = screen_size_x(s) - 1;
1044: *fy = *fy - 1;
1045: } else
1046: *fx = *fx - 1;
1047: }
1048:
1049: static void
1050: window_copy_move_right(struct screen *s, u_int *fx, u_int *fy)
1051: {
1052: if (*fx == screen_size_x(s) - 1) { /* right */
1053: if (*fy == screen_hsize(s) + screen_size_y(s)) /* bottom */
1054: return;
1055: *fx = 0;
1056: *fy = *fy + 1;
1057: } else
1058: *fx = *fx + 1;
1059: }
1060:
1061: static int
1062: window_copy_is_lowercase(const char *ptr)
1063: {
1064: while (*ptr != '\0') {
1065: if (*ptr != tolower((u_char)*ptr))
1066: return (0);
1067: ++ptr;
1068: }
1069: return (1);
1070: }
1071:
1072: /*
1073: * Search for text stored in sgd starting from position fx,fy up to endline. If
1074: * found, jump to it. If cis then ignore case. The direction is 0 for searching
1075: * up, down otherwise. If wrap then go to begin/end of grid and try again if
1076: * not found.
1077: */
1078: static int
1079: window_copy_search_jump(struct window_pane *wp, struct grid *gd,
1080: struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
1081: int direction)
1082: {
1083: u_int i, px;
1084: int found;
1085:
1086: found = 0;
1087: if (direction) {
1088: for (i = fy; i <= endline; i++) {
1089: found = window_copy_search_lr(gd, sgd, &px, i, fx,
1090: gd->sx, cis);
1091: if (found)
1092: break;
1093: fx = 0;
1094: }
1095: } else {
1096: for (i = fy + 1; endline < i; i--) {
1097: found = window_copy_search_rl(gd, sgd, &px, i - 1, 0,
1098: fx, cis);
1099: if (found) {
1100: i--;
1101: break;
1102: }
1103: fx = gd->sx;
1104: }
1105: }
1106:
1107: if (found) {
1108: window_copy_scroll_to(wp, px, i);
1109: return (1);
1110: }
1111: if (wrap) {
1112: return (window_copy_search_jump(wp, gd, sgd,
1113: direction ? 0 : gd->sx - 1,
1114: direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
1115: direction));
1116: }
1117: return (0);
1118: }
1119:
1120: /*
1121: * Search in for text searchstr. If direction is 0 then search up, otherwise
1122: * down. If moveflag is 0 then look for string at the current cursor position
1123: * as well.
1124: */
1125: static int
1126: window_copy_search(struct window_pane *wp, int direction, int moveflag)
1127: {
1128: struct window_copy_mode_data *data = wp->modedata;
1129: struct screen *s = data->backing, ss;
1130: struct screen_write_ctx ctx;
1131: struct grid *gd = s->grid;
1132: u_int fx, fy, endline;
1133: int wrapflag, cis, found;
1134:
1135: fx = data->cx;
1136: fy = screen_hsize(data->backing) - data->oy + data->cy;
1137:
1138: screen_init(&ss, screen_write_strlen("%s", data->searchstr), 1, 0);
1139: screen_write_start(&ctx, NULL, &ss);
1140: screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", data->searchstr);
1141: screen_write_stop(&ctx);
1142:
1143: if (moveflag) {
1144: if (direction)
1145: window_copy_move_right(s, &fx, &fy);
1146: else
1147: window_copy_move_left(s, &fx, &fy);
1148: }
1149: window_copy_clear_selection(wp);
1150:
1151: wrapflag = options_get_number(wp->window->options, "wrap-search");
1152: cis = window_copy_is_lowercase(data->searchstr);
1153:
1154: if (direction)
1155: endline = gd->hsize + gd->sy - 1;
1156: else
1157: endline = 0;
1158: found = window_copy_search_jump(wp, gd, ss.grid, fx, fy, endline, cis,
1159: wrapflag, direction);
1160:
1161: if (window_copy_search_marks(wp, &ss))
1162: window_copy_redraw_screen(wp);
1163:
1164: screen_free(&ss);
1165: return (found);
1166: }
1167:
1168: static int
1169: window_copy_search_marks(struct window_pane *wp, struct screen *ssp)
1170: {
1171: struct window_copy_mode_data *data = wp->modedata;
1172: struct screen *s = data->backing, ss;
1173: struct screen_write_ctx ctx;
1174: struct grid *gd = s->grid;
1175: int found, cis, which = -1;
1176: u_int px, py, b, nfound = 0, width;
1177:
1178: if (ssp == NULL) {
1179: width = screen_write_strlen("%s", data->searchstr);
1180: screen_init(&ss, width, 1, 0);
1181: screen_write_start(&ctx, NULL, &ss);
1182: screen_write_nputs(&ctx, -1, &grid_default_cell, "%s",
1183: data->searchstr);
1184: screen_write_stop(&ctx);
1185: ssp = &ss;
1186: } else
1187: width = screen_size_x(ssp);
1188:
1189: cis = window_copy_is_lowercase(data->searchstr);
1190:
1191: free(data->searchmark);
1192: data->searchmark = bit_alloc((gd->hsize + gd->sy) * gd->sx);
1193:
1194: for (py = 0; py < gd->hsize + gd->sy; py++) {
1195: px = 0;
1196: for (;;) {
1197: found = window_copy_search_lr(gd, ssp->grid, &px, py,
1198: px, gd->sx, cis);
1199: if (!found)
1200: break;
1201:
1202: nfound++;
1203: if (px == data->cx && py == gd->hsize + data->cy - data->oy)
1204: which = nfound;
1205:
1206: b = (py * gd->sx) + px;
1207: bit_nset(data->searchmark, b, b + width - 1);
1208:
1209: px++;
1210: }
1211: }
1212:
1213: if (which != -1)
1214: data->searchthis = 1 + nfound - which;
1215: else
1216: data->searchthis = -1;
1217: data->searchcount = nfound;
1218:
1219: if (ssp == &ss)
1220: screen_free(&ss);
1221: return (nfound);
1222: }
1223:
1224: static void
1225: window_copy_clear_marks(struct window_pane *wp)
1226: {
1227: struct window_copy_mode_data *data = wp->modedata;
1228:
1229: free(data->searchmark);
1230: data->searchmark = NULL;
1231: }
1232:
1233: static int
1234: window_copy_search_up(struct window_pane *wp, int moveflag)
1235: {
1236: return (window_copy_search(wp, 0, moveflag));
1237: }
1238:
1239: static int
1240: window_copy_search_down(struct window_pane *wp, int moveflag)
1241: {
1242: return (window_copy_search(wp, 1, moveflag));
1243: }
1244:
1245: static void
1246: window_copy_goto_line(struct window_pane *wp, const char *linestr)
1247: {
1248: struct window_copy_mode_data *data = wp->modedata;
1249: const char *errstr;
1250: u_int lineno;
1251:
1252: lineno = strtonum(linestr, 0, screen_hsize(data->backing), &errstr);
1253: if (errstr != NULL)
1254: return;
1255:
1256: data->oy = lineno;
1257: window_copy_update_selection(wp, 1);
1258: window_copy_redraw_screen(wp);
1259: }
1260:
1261: static void
1262: window_copy_write_line(struct window_pane *wp, struct screen_write_ctx *ctx,
1263: u_int py)
1264: {
1265: struct window_copy_mode_data *data = wp->modedata;
1266: struct screen *s = &data->screen;
1267: struct options *oo = wp->window->options;
1268: struct grid_cell gc;
1269: char hdr[512];
1270: size_t size = 0;
1271:
1272: style_apply(&gc, oo, "mode-style");
1273: gc.flags |= GRID_FLAG_NOPALETTE;
1274:
1275: if (py == 0) {
1276: if (data->searchmark == NULL) {
1277: size = xsnprintf(hdr, sizeof hdr,
1278: "[%u/%u]", data->oy, screen_hsize(data->backing));
1279: } else {
1280: if (data->searchthis == -1) {
1281: size = xsnprintf(hdr, sizeof hdr,
1282: "(%u results) [%d/%u]", data->searchcount,
1283: data->oy, screen_hsize(data->backing));
1284: } else {
1285: size = xsnprintf(hdr, sizeof hdr,
1286: "(%u/%u results) [%d/%u]", data->searchthis,
1287: data->searchcount, data->oy,
1288: screen_hsize(data->backing));
1289: }
1290: }
1291: if (size > screen_size_x(s))
1292: size = screen_size_x(s);
1293: screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
1294: screen_write_puts(ctx, &gc, "%s", hdr);
1295: } else
1296: size = 0;
1297:
1298: if (size < screen_size_x(s)) {
1299: screen_write_cursormove(ctx, 0, py);
1300: screen_write_copy(ctx, data->backing, 0,
1301: (screen_hsize(data->backing) - data->oy) + py,
1302: screen_size_x(s) - size, 1, data->searchmark, &gc);
1303: }
1304:
1305: if (py == data->cy && data->cx == screen_size_x(s)) {
1306: memcpy(&gc, &grid_default_cell, sizeof gc);
1307: screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
1308: screen_write_putc(ctx, &gc, '$');
1309: }
1310: }
1311:
1312: static void
1313: window_copy_write_lines(struct window_pane *wp, struct screen_write_ctx *ctx,
1314: u_int py, u_int ny)
1315: {
1316: u_int yy;
1317:
1318: for (yy = py; yy < py + ny; yy++)
1319: window_copy_write_line(wp, ctx, py);
1320: }
1321:
1322: static void
1323: window_copy_redraw_selection(struct window_pane *wp, u_int old_y)
1324: {
1325: struct window_copy_mode_data *data = wp->modedata;
1326: u_int new_y, start, end;
1327:
1328: new_y = data->cy;
1329: if (old_y <= new_y) {
1330: start = old_y;
1331: end = new_y;
1332: } else {
1333: start = new_y;
1334: end = old_y;
1335: }
1336: window_copy_redraw_lines(wp, start, end - start + 1);
1337: }
1338:
1339: static void
1340: window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
1341: {
1342: struct window_copy_mode_data *data = wp->modedata;
1343: struct screen_write_ctx ctx;
1344: u_int i;
1345:
1346: screen_write_start(&ctx, wp, NULL);
1347: for (i = py; i < py + ny; i++)
1348: window_copy_write_line(wp, &ctx, i);
1349: screen_write_cursormove(&ctx, data->cx, data->cy);
1350: screen_write_stop(&ctx);
1351: }
1352:
1353: static void
1354: window_copy_redraw_screen(struct window_pane *wp)
1355: {
1356: struct window_copy_mode_data *data = wp->modedata;
1357:
1358: window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
1359: }
1360:
1361: static void
1362: window_copy_synchronize_cursor(struct window_pane *wp)
1363: {
1364: struct window_copy_mode_data *data = wp->modedata;
1365: u_int xx, yy;
1366:
1367: xx = data->cx;
1368: yy = screen_hsize(data->backing) + data->cy - data->oy;
1369:
1370: switch (data->cursordrag) {
1371: case CURSORDRAG_ENDSEL:
1372: data->endselx = xx;
1373: data->endsely = yy;
1374: break;
1375: case CURSORDRAG_SEL:
1376: data->selx = xx;
1377: data->sely = yy;
1378: break;
1379: case CURSORDRAG_NONE:
1380: break;
1381: }
1382: }
1383:
1384: static void
1385: window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
1386: {
1387: struct window_copy_mode_data *data = wp->modedata;
1388: struct screen *s = &data->screen;
1389: struct screen_write_ctx ctx;
1390: u_int old_cx, old_cy;
1391:
1392: old_cx = data->cx; old_cy = data->cy;
1393: data->cx = cx; data->cy = cy;
1394: if (old_cx == screen_size_x(s))
1395: window_copy_redraw_lines(wp, old_cy, 1);
1396: if (data->cx == screen_size_x(s))
1397: window_copy_redraw_lines(wp, data->cy, 1);
1398: else {
1399: screen_write_start(&ctx, wp, NULL);
1400: screen_write_cursormove(&ctx, data->cx, data->cy);
1401: screen_write_stop(&ctx);
1402: }
1403: }
1404:
1405: static void
1406: window_copy_start_selection(struct window_pane *wp)
1407: {
1408: struct window_copy_mode_data *data = wp->modedata;
1409: struct screen *s = &data->screen;
1410:
1411: data->selx = data->cx;
1412: data->sely = screen_hsize(data->backing) + data->cy - data->oy;
1413:
1414: data->endselx = data->selx;
1415: data->endsely = data->sely;
1416:
1417: data->cursordrag = CURSORDRAG_ENDSEL;
1418:
1419: s->sel.flag = 1;
1420: window_copy_update_selection(wp, 1);
1421: }
1422:
1423: static int
1424: window_copy_adjust_selection(struct window_pane *wp, u_int *selx, u_int *sely)
1425: {
1426: struct window_copy_mode_data *data = wp->modedata;
1427: struct screen *s = &data->screen;
1428: u_int sx, sy, ty;
1429: int relpos;
1430:
1431: sx = *selx;
1432: sy = *sely;
1433:
1434: ty = screen_hsize(data->backing) - data->oy;
1435: if (sy < ty) {
1436: relpos = WINDOW_COPY_REL_POS_ABOVE;
1437: if (!data->rectflag)
1438: sx = 0;
1439: sy = 0;
1440: } else if (sy > ty + screen_size_y(s) - 1) {
1441: relpos = WINDOW_COPY_REL_POS_BELOW;
1442: if (!data->rectflag)
1443: sx = screen_size_x(s) - 1;
1444: sy = screen_size_y(s) - 1;
1445: } else {
1446: relpos = WINDOW_COPY_REL_POS_ON_SCREEN;
1447: sy -= ty;
1448: }
1449:
1450: *selx = sx;
1451: *sely = screen_hsize(s) + sy;
1452: return (relpos);
1453: }
1454:
1455: static int
1456: window_copy_update_selection(struct window_pane *wp, int may_redraw)
1457: {
1458: struct window_copy_mode_data *data = wp->modedata;
1459: struct screen *s = &data->screen;
1460: struct options *oo = wp->window->options;
1461: struct grid_cell gc;
1462: u_int sx, sy, cy, endsx, endsy;
1463: int startrelpos, endrelpos;
1464:
1465: if (!s->sel.flag && s->sel.lineflag == LINE_SEL_NONE)
1466: return (0);
1467:
1468: window_copy_synchronize_cursor(wp);
1469:
1470: /* Adjust the selection. */
1471: sx = data->selx;
1472: sy = data->sely;
1473: startrelpos = window_copy_adjust_selection(wp, &sx, &sy);
1474:
1475: /* Adjust the end of selection. */
1476: endsx = data->endselx;
1477: endsy = data->endsely;
1478: endrelpos = window_copy_adjust_selection(wp, &endsx, &endsy);
1479:
1480: /* Selection is outside of the current screen */
1481: if (startrelpos == endrelpos &&
1482: startrelpos != WINDOW_COPY_REL_POS_ON_SCREEN) {
1483: screen_hide_selection(s);
1484: return (0);
1485: }
1486:
1487: /* Set colours and selection. */
1488: style_apply(&gc, oo, "mode-style");
1489: gc.flags |= GRID_FLAG_NOPALETTE;
1490: screen_set_selection(s, sx, sy, endsx, endsy, data->rectflag, &gc);
1491:
1492: if (data->rectflag && may_redraw) {
1493: /*
1494: * Can't rely on the caller to redraw the right lines for
1495: * rectangle selection - find the highest line and the number
1496: * of lines, and redraw just past that in both directions
1497: */
1498: cy = data->cy;
1499: if (sy < cy)
1500: window_copy_redraw_lines(wp, sy, cy - sy + 1);
1501: else
1502: window_copy_redraw_lines(wp, cy, sy - cy + 1);
1503: }
1504:
1505: return (1);
1506: }
1507:
1508: static void *
1509: window_copy_get_selection(struct window_pane *wp, size_t *len)
1510: {
1511: struct window_copy_mode_data *data = wp->modedata;
1512: struct screen *s = &data->screen;
1513: char *buf;
1514: size_t off;
1515: u_int i, xx, yy, sx, sy, ex, ey, ey_last;
1516: u_int firstsx, lastex, restex, restsx;
1517: int keys;
1518:
1519: if (!s->sel.flag && s->sel.lineflag == LINE_SEL_NONE)
1520: return (NULL);
1521:
1522: buf = xmalloc(1);
1523: off = 0;
1524:
1525: *buf = '\0';
1526:
1527: /*
1528: * The selection extends from selx,sely to (adjusted) cx,cy on
1529: * the base screen.
1530: */
1531:
1532: /* Find start and end. */
1533: xx = data->endselx;
1534: yy = data->endsely;
1535: if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
1536: sx = xx; sy = yy;
1537: ex = data->selx; ey = data->sely;
1538: } else {
1539: sx = data->selx; sy = data->sely;
1540: ex = xx; ey = yy;
1541: }
1542:
1543: /* Trim ex to end of line. */
1544: ey_last = window_copy_find_length(wp, ey);
1545: if (ex > ey_last)
1546: ex = ey_last;
1547:
1548: /*
1549: * Deal with rectangle-copy if necessary; four situations: start of
1550: * first line (firstsx), end of last line (lastex), start (restsx) and
1551: * end (restex) of all other lines.
1552: */
1553: xx = screen_size_x(s);
1554:
1555: /*
1556: * Behave according to mode-keys. If it is emacs, copy like emacs,
1557: * keeping the top-left-most character, and dropping the
1558: * bottom-right-most, regardless of copy direction. If it is vi, also
1559: * keep bottom-right-most character.
1560: */
1561: keys = options_get_number(wp->window->options, "mode-keys");
1562: if (data->rectflag) {
1563: /*
1564: * Need to ignore the column with the cursor in it, which for
1565: * rectangular copy means knowing which side the cursor is on.
1566: */
1567: if (data->selx < data->cx) {
1568: /* Selection start is on the left. */
1569: if (keys == MODEKEY_EMACS) {
1570: lastex = data->cx;
1571: restex = data->cx;
1572: }
1573: else {
1574: lastex = data->cx + 1;
1575: restex = data->cx + 1;
1576: }
1577: firstsx = data->selx;
1578: restsx = data->selx;
1579: } else {
1580: /* Cursor is on the left. */
1581: lastex = data->selx + 1;
1582: restex = data->selx + 1;
1583: firstsx = data->cx;
1584: restsx = data->cx;
1585: }
1586: } else {
1587: if (keys == MODEKEY_EMACS)
1588: lastex = ex;
1589: else
1590: lastex = ex + 1;
1591: restex = xx;
1592: firstsx = sx;
1593: restsx = 0;
1594: }
1595:
1596: /* Copy the lines. */
1597: for (i = sy; i <= ey; i++) {
1598: window_copy_copy_line(wp, &buf, &off, i,
1599: (i == sy ? firstsx : restsx),
1600: (i == ey ? lastex : restex));
1601: }
1602:
1603: /* Don't bother if no data. */
1604: if (off == 0) {
1605: free(buf);
1606: return (NULL);
1607: }
1608: if (keys == MODEKEY_EMACS || lastex <= ey_last)
1609: off -= 1; /* remove final \n (unless at end in vi mode) */
1610: *len = off;
1611: return (buf);
1612: }
1613:
1614: static void
1615: window_copy_copy_buffer(struct window_pane *wp, const char *bufname, void *buf,
1616: size_t len)
1617: {
1618: struct screen_write_ctx ctx;
1619:
1620: if (options_get_number(global_options, "set-clipboard")) {
1621: screen_write_start(&ctx, wp, NULL);
1622: screen_write_setselection(&ctx, buf, len);
1623: screen_write_stop(&ctx);
1624: }
1625:
1626: if (paste_set(buf, len, bufname, NULL) != 0)
1627: free(buf);
1628: }
1629:
1630: static void
1631: window_copy_copy_pipe(struct window_pane *wp, struct session *s,
1632: const char *bufname, const char *arg)
1633: {
1634: void *buf;
1635: size_t len;
1636: struct job *job;
1637: char *expanded;
1638:
1639: buf = window_copy_get_selection(wp, &len);
1640: if (buf == NULL)
1641: return;
1642: expanded = format_single(NULL, arg, NULL, s, NULL, wp);
1643:
1644: job = job_run(expanded, s, NULL, NULL, NULL, NULL);
1645: bufferevent_write(job->event, buf, len);
1646:
1647: free(expanded);
1648: window_copy_copy_buffer(wp, bufname, buf, len);
1649: }
1650:
1651: static void
1652: window_copy_copy_selection(struct window_pane *wp, const char *bufname)
1653: {
1654: void *buf;
1655: size_t len;
1656:
1657: buf = window_copy_get_selection(wp, &len);
1658: if (buf == NULL)
1659: return;
1660:
1661: window_copy_copy_buffer(wp, bufname, buf, len);
1662: }
1663:
1664: static void
1665: window_copy_append_selection(struct window_pane *wp, const char *bufname)
1666: {
1667: char *buf;
1668: struct paste_buffer *pb;
1669: const char *bufdata;
1670: size_t len, bufsize;
1671: struct screen_write_ctx ctx;
1672:
1673: buf = window_copy_get_selection(wp, &len);
1674: if (buf == NULL)
1675: return;
1676:
1677: if (options_get_number(global_options, "set-clipboard")) {
1678: screen_write_start(&ctx, wp, NULL);
1679: screen_write_setselection(&ctx, buf, len);
1680: screen_write_stop(&ctx);
1681: }
1682:
1683: if (bufname == NULL || *bufname == '\0')
1684: pb = paste_get_top(&bufname);
1685: else
1686: pb = paste_get_name(bufname);
1687: if (pb != NULL) {
1688: bufdata = paste_buffer_data(pb, &bufsize);
1689: buf = xrealloc(buf, len + bufsize);
1690: memmove(buf + bufsize, buf, len);
1691: memcpy(buf, bufdata, bufsize);
1692: len += bufsize;
1693: }
1694: if (paste_set(buf, len, bufname, NULL) != 0)
1695: free(buf);
1696: }
1697:
1698: static void
1699: window_copy_copy_line(struct window_pane *wp, char **buf, size_t *off, u_int sy,
1700: u_int sx, u_int ex)
1701: {
1702: struct window_copy_mode_data *data = wp->modedata;
1703: struct grid *gd = data->backing->grid;
1704: struct grid_cell gc;
1705: struct grid_line *gl;
1706: struct utf8_data ud;
1707: u_int i, xx, wrapped = 0;
1708: const char *s;
1709:
1710: if (sx > ex)
1711: return;
1712:
1713: /*
1714: * Work out if the line was wrapped at the screen edge and all of it is
1715: * on screen.
1716: */
1717: gl = &gd->linedata[sy];
1718: if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
1719: wrapped = 1;
1720:
1721: /* If the line was wrapped, don't strip spaces (use the full length). */
1722: if (wrapped)
1723: xx = gl->cellsize;
1724: else
1725: xx = window_copy_find_length(wp, sy);
1726: if (ex > xx)
1727: ex = xx;
1728: if (sx > xx)
1729: sx = xx;
1730:
1731: if (sx < ex) {
1732: for (i = sx; i < ex; i++) {
1733: grid_get_cell(gd, i, sy, &gc);
1734: if (gc.flags & GRID_FLAG_PADDING)
1735: continue;
1736: utf8_copy(&ud, &gc.data);
1737: if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
1738: s = tty_acs_get(NULL, ud.data[0]);
1739: if (s != NULL && strlen(s) <= sizeof ud.data) {
1740: ud.size = strlen(s);
1741: memcpy(ud.data, s, ud.size);
1742: }
1743: }
1744:
1745: *buf = xrealloc(*buf, (*off) + ud.size);
1746: memcpy(*buf + *off, ud.data, ud.size);
1747: *off += ud.size;
1748: }
1749: }
1750:
1751: /* Only add a newline if the line wasn't wrapped. */
1752: if (!wrapped || ex != xx) {
1753: *buf = xrealloc(*buf, (*off) + 1);
1754: (*buf)[(*off)++] = '\n';
1755: }
1756: }
1757:
1758: static void
1759: window_copy_clear_selection(struct window_pane *wp)
1760: {
1761: struct window_copy_mode_data *data = wp->modedata;
1762: u_int px, py;
1763:
1764: screen_clear_selection(&data->screen);
1765:
1766: data->cursordrag = CURSORDRAG_NONE;
1767:
1768: py = screen_hsize(data->backing) + data->cy - data->oy;
1769: px = window_copy_find_length(wp, py);
1770: if (data->cx > px)
1771: window_copy_update_cursor(wp, px, data->cy);
1772: }
1773:
1774: static int
1775: window_copy_in_set(struct window_pane *wp, u_int px, u_int py, const char *set)
1776: {
1777: struct window_copy_mode_data *data = wp->modedata;
1778: struct grid_cell gc;
1779: const struct utf8_data *ud;
1780:
1781: grid_get_cell(data->backing->grid, px, py, &gc);
1782:
1783: ud = &gc.data;
1784: if (ud->size != 1 || (gc.flags & GRID_FLAG_PADDING))
1785: return (0);
1786: if (*ud->data == 0x00 || *ud->data == 0x7f)
1787: return (0);
1788: return (strchr(set, *ud->data) != NULL);
1789: }
1790:
1791: static u_int
1792: window_copy_find_length(struct window_pane *wp, u_int py)
1793: {
1794: struct window_copy_mode_data *data = wp->modedata;
1795: struct screen *s = data->backing;
1796: struct grid_cell gc;
1797: u_int px;
1798:
1799: /*
1800: * If the pane has been resized, its grid can contain old overlong
1801: * lines. grid_peek_cell does not allow accessing cells beyond the
1802: * width of the grid, and screen_write_copy treats them as spaces, so
1803: * ignore them here too.
1804: */
1805: px = s->grid->linedata[py].cellsize;
1806: if (px > screen_size_x(s))
1807: px = screen_size_x(s);
1808: while (px > 0) {
1809: grid_get_cell(s->grid, px - 1, py, &gc);
1810: if (gc.data.size != 1 || *gc.data.data != ' ')
1811: break;
1812: px--;
1813: }
1814: return (px);
1815: }
1816:
1817: static void
1818: window_copy_cursor_start_of_line(struct window_pane *wp)
1819: {
1820: struct window_copy_mode_data *data = wp->modedata;
1821: struct screen *back_s = data->backing;
1822: struct screen *s = &data->screen;
1823: struct grid *gd = back_s->grid;
1824: u_int py;
1825:
1826: if (data->cx == 0 && s->sel.lineflag == LINE_SEL_NONE) {
1827: py = screen_hsize(back_s) + data->cy - data->oy;
1828: while (py > 0 &&
1829: gd->linedata[py-1].flags & GRID_LINE_WRAPPED) {
1830: window_copy_cursor_up(wp, 0);
1831: py = screen_hsize(back_s) + data->cy - data->oy;
1832: }
1833: }
1834: window_copy_update_cursor(wp, 0, data->cy);
1835: if (window_copy_update_selection(wp, 1))
1836: window_copy_redraw_lines(wp, data->cy, 1);
1837: }
1838:
1839: static void
1840: window_copy_cursor_back_to_indentation(struct window_pane *wp)
1841: {
1842: struct window_copy_mode_data *data = wp->modedata;
1843: u_int px, py, xx;
1844: struct grid_cell gc;
1845:
1846: px = 0;
1847: py = screen_hsize(data->backing) + data->cy - data->oy;
1848: xx = window_copy_find_length(wp, py);
1849:
1850: while (px < xx) {
1851: grid_get_cell(data->backing->grid, px, py, &gc);
1852: if (gc.data.size != 1 || *gc.data.data != ' ')
1853: break;
1854: px++;
1855: }
1856:
1857: window_copy_update_cursor(wp, px, data->cy);
1858: if (window_copy_update_selection(wp, 1))
1859: window_copy_redraw_lines(wp, data->cy, 1);
1860: }
1861:
1862: static void
1863: window_copy_cursor_end_of_line(struct window_pane *wp)
1864: {
1865: struct window_copy_mode_data *data = wp->modedata;
1866: struct screen *back_s = data->backing;
1867: struct screen *s = &data->screen;
1868: struct grid *gd = back_s->grid;
1869: u_int px, py;
1870:
1871: py = screen_hsize(back_s) + data->cy - data->oy;
1872: px = window_copy_find_length(wp, py);
1873:
1874: if (data->cx == px && s->sel.lineflag == LINE_SEL_NONE) {
1875: if (data->screen.sel.flag && data->rectflag)
1876: px = screen_size_x(back_s);
1877: if (gd->linedata[py].flags & GRID_LINE_WRAPPED) {
1878: while (py < gd->sy + gd->hsize &&
1879: gd->linedata[py].flags & GRID_LINE_WRAPPED) {
1880: window_copy_cursor_down(wp, 0);
1881: py = screen_hsize(back_s)
1882: + data->cy - data->oy;
1883: }
1884: px = window_copy_find_length(wp, py);
1885: }
1886: }
1887: window_copy_update_cursor(wp, px, data->cy);
1888:
1889: if (window_copy_update_selection(wp, 1))
1890: window_copy_redraw_lines(wp, data->cy, 1);
1891: }
1892:
1893: static void
1894: window_copy_other_end(struct window_pane *wp)
1895: {
1896: struct window_copy_mode_data *data = wp->modedata;
1897: struct screen *s = &data->screen;
1898: u_int selx, sely, cy, yy, hsize;
1899:
1900: if (!s->sel.flag && s->sel.lineflag == LINE_SEL_NONE)
1901: return;
1902:
1903: if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT)
1904: s->sel.lineflag = LINE_SEL_RIGHT_LEFT;
1905: else if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT)
1906: s->sel.lineflag = LINE_SEL_LEFT_RIGHT;
1907:
1908: switch (data->cursordrag) {
1909: case CURSORDRAG_NONE:
1910: case CURSORDRAG_SEL:
1911: data->cursordrag = CURSORDRAG_ENDSEL;
1912: break;
1913: case CURSORDRAG_ENDSEL:
1914: data->cursordrag = CURSORDRAG_SEL;
1915: break;
1916: }
1917:
1918: selx = data->endselx;
1919: sely = data->endsely;
1920: if (data->cursordrag == CURSORDRAG_SEL) {
1921: selx = data->selx;
1922: sely = data->sely;
1923: }
1924:
1925: cy = data->cy;
1926: yy = screen_hsize(data->backing) + data->cy - data->oy;
1927:
1928: data->cx = selx;
1929:
1930: hsize = screen_hsize(data->backing);
1931: if (sely < hsize - data->oy) { /* above */
1932: data->oy = hsize - sely;
1933: data->cy = 0;
1934: } else if (sely > hsize - data->oy + screen_size_y(s)) { /* below */
1935: data->oy = hsize - sely + screen_size_y(s) - 1;
1936: data->cy = screen_size_y(s) - 1;
1937: } else
1938: data->cy = cy + sely - yy;
1939:
1940: window_copy_update_selection(wp, 1);
1941: window_copy_redraw_screen(wp);
1942: }
1943:
1944: static void
1945: window_copy_cursor_left(struct window_pane *wp)
1946: {
1947: struct window_copy_mode_data *data = wp->modedata;
1948: u_int py, cx;
1949: struct grid_cell gc;
1950:
1951: py = screen_hsize(data->backing) + data->cy - data->oy;
1952: cx = data->cx;
1953: while (cx > 0) {
1954: grid_get_cell(data->backing->grid, cx, py, &gc);
1955: if (~gc.flags & GRID_FLAG_PADDING)
1956: break;
1957: cx--;
1958: }
1959: if (cx == 0 && py > 0) {
1960: window_copy_cursor_up(wp, 0);
1961: window_copy_cursor_end_of_line(wp);
1962: } else if (cx > 0) {
1963: window_copy_update_cursor(wp, cx - 1, data->cy);
1964: if (window_copy_update_selection(wp, 1))
1965: window_copy_redraw_lines(wp, data->cy, 1);
1966: }
1967: }
1968:
1969: static void
1970: window_copy_cursor_right(struct window_pane *wp)
1971: {
1972: struct window_copy_mode_data *data = wp->modedata;
1973: u_int px, py, yy, cx, cy;
1974: struct grid_cell gc;
1975:
1976: py = screen_hsize(data->backing) + data->cy - data->oy;
1977: yy = screen_hsize(data->backing) + screen_size_y(data->backing) - 1;
1978: if (data->screen.sel.flag && data->rectflag)
1979: px = screen_size_x(&data->screen);
1980: else
1981: px = window_copy_find_length(wp, py);
1982:
1983: if (data->cx >= px && py < yy) {
1984: window_copy_cursor_start_of_line(wp);
1985: window_copy_cursor_down(wp, 0);
1986: } else if (data->cx < px) {
1987: cx = data->cx + 1;
1988: cy = screen_hsize(data->backing) + data->cy - data->oy;
1989: while (cx < px) {
1990: grid_get_cell(data->backing->grid, cx, cy, &gc);
1991: if (~gc.flags & GRID_FLAG_PADDING)
1992: break;
1993: cx++;
1994: }
1995: window_copy_update_cursor(wp, cx, data->cy);
1996: if (window_copy_update_selection(wp, 1))
1997: window_copy_redraw_lines(wp, data->cy, 1);
1998: }
1999: }
2000:
2001: static void
2002: window_copy_cursor_up(struct window_pane *wp, int scroll_only)
2003: {
2004: struct window_copy_mode_data *data = wp->modedata;
2005: struct screen *s = &data->screen;
2006: u_int ox, oy, px, py;
2007:
2008: oy = screen_hsize(data->backing) + data->cy - data->oy;
2009: ox = window_copy_find_length(wp, oy);
2010: if (data->cx != ox) {
2011: data->lastcx = data->cx;
2012: data->lastsx = ox;
2013: }
2014:
2015: if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
2016: window_copy_other_end(wp);
2017:
2018: data->cx = data->lastcx;
2019: if (scroll_only || data->cy == 0) {
2020: window_copy_scroll_down(wp, 1);
2021: if (scroll_only) {
2022: if (data->cy == screen_size_y(s) - 1)
2023: window_copy_redraw_lines(wp, data->cy, 1);
2024: else
2025: window_copy_redraw_lines(wp, data->cy, 2);
2026: }
2027: } else {
2028: window_copy_update_cursor(wp, data->cx, data->cy - 1);
2029: if (window_copy_update_selection(wp, 1)) {
2030: if (data->cy == screen_size_y(s) - 1)
2031: window_copy_redraw_lines(wp, data->cy, 1);
2032: else
2033: window_copy_redraw_lines(wp, data->cy, 2);
2034: }
2035: }
2036:
2037: if (!data->screen.sel.flag || !data->rectflag) {
2038: py = screen_hsize(data->backing) + data->cy - data->oy;
2039: px = window_copy_find_length(wp, py);
2040: if ((data->cx >= data->lastsx && data->cx != px) ||
2041: data->cx > px)
2042: window_copy_cursor_end_of_line(wp);
2043: }
2044:
2045: if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT)
2046: window_copy_cursor_end_of_line(wp);
2047: else if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT)
2048: window_copy_cursor_start_of_line(wp);
2049: }
2050:
2051: static void
2052: window_copy_cursor_down(struct window_pane *wp, int scroll_only)
2053: {
2054: struct window_copy_mode_data *data = wp->modedata;
2055: struct screen *s = &data->screen;
2056: u_int ox, oy, px, py;
2057:
2058: oy = screen_hsize(data->backing) + data->cy - data->oy;
2059: ox = window_copy_find_length(wp, oy);
2060: if (data->cx != ox) {
2061: data->lastcx = data->cx;
2062: data->lastsx = ox;
2063: }
2064:
2065: if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
2066: window_copy_other_end(wp);
2067:
2068: data->cx = data->lastcx;
2069: if (scroll_only || data->cy == screen_size_y(s) - 1) {
2070: window_copy_scroll_up(wp, 1);
2071: if (scroll_only && data->cy > 0)
2072: window_copy_redraw_lines(wp, data->cy - 1, 2);
2073: } else {
2074: window_copy_update_cursor(wp, data->cx, data->cy + 1);
2075: if (window_copy_update_selection(wp, 1))
2076: window_copy_redraw_lines(wp, data->cy - 1, 2);
2077: }
2078:
2079: if (!data->screen.sel.flag || !data->rectflag) {
2080: py = screen_hsize(data->backing) + data->cy - data->oy;
2081: px = window_copy_find_length(wp, py);
2082: if ((data->cx >= data->lastsx && data->cx != px) ||
2083: data->cx > px)
2084: window_copy_cursor_end_of_line(wp);
2085: }
2086:
2087: if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT)
2088: window_copy_cursor_end_of_line(wp);
2089: else if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT)
2090: window_copy_cursor_start_of_line(wp);
2091: }
2092:
2093: static void
2094: window_copy_cursor_jump(struct window_pane *wp)
2095: {
2096: struct window_copy_mode_data *data = wp->modedata;
2097: struct screen *back_s = data->backing;
2098: struct grid_cell gc;
2099: u_int px, py, xx;
2100:
2101: px = data->cx + 1;
2102: py = screen_hsize(back_s) + data->cy - data->oy;
2103: xx = window_copy_find_length(wp, py);
2104:
2105: while (px < xx) {
2106: grid_get_cell(back_s->grid, px, py, &gc);
2107: if (!(gc.flags & GRID_FLAG_PADDING) &&
2108: gc.data.size == 1 && *gc.data.data == data->jumpchar) {
2109: window_copy_update_cursor(wp, px, data->cy);
2110: if (window_copy_update_selection(wp, 1))
2111: window_copy_redraw_lines(wp, data->cy, 1);
2112: return;
2113: }
2114: px++;
2115: }
2116: }
2117:
2118: static void
2119: window_copy_cursor_jump_back(struct window_pane *wp)
2120: {
2121: struct window_copy_mode_data *data = wp->modedata;
2122: struct screen *back_s = data->backing;
2123: struct grid_cell gc;
2124: u_int px, py;
2125:
2126: px = data->cx;
2127: py = screen_hsize(back_s) + data->cy - data->oy;
2128:
2129: if (px > 0)
2130: px--;
2131:
2132: for (;;) {
2133: grid_get_cell(back_s->grid, px, py, &gc);
2134: if (!(gc.flags & GRID_FLAG_PADDING) &&
2135: gc.data.size == 1 && *gc.data.data == data->jumpchar) {
2136: window_copy_update_cursor(wp, px, data->cy);
2137: if (window_copy_update_selection(wp, 1))
2138: window_copy_redraw_lines(wp, data->cy, 1);
2139: return;
2140: }
2141: if (px == 0)
2142: break;
2143: px--;
2144: }
2145: }
2146:
2147: static void
2148: window_copy_cursor_jump_to(struct window_pane *wp, int jump_again)
2149: {
2150: struct window_copy_mode_data *data = wp->modedata;
2151: struct screen *back_s = data->backing;
2152: struct grid_cell gc;
2153: u_int px, py, xx;
2154:
2155: px = data->cx + 1 + jump_again;
2156: py = screen_hsize(back_s) + data->cy - data->oy;
2157: xx = window_copy_find_length(wp, py);
2158:
2159: while (px < xx) {
2160: grid_get_cell(back_s->grid, px, py, &gc);
2161: if (!(gc.flags & GRID_FLAG_PADDING) &&
2162: gc.data.size == 1 && *gc.data.data == data->jumpchar) {
2163: window_copy_update_cursor(wp, px - 1, data->cy);
2164: if (window_copy_update_selection(wp, 1))
2165: window_copy_redraw_lines(wp, data->cy, 1);
2166: return;
2167: }
2168: px++;
2169: }
2170: }
2171:
2172: static void
2173: window_copy_cursor_jump_to_back(struct window_pane *wp, int jump_again)
2174: {
2175: struct window_copy_mode_data *data = wp->modedata;
2176: struct screen *back_s = data->backing;
2177: struct grid_cell gc;
2178: u_int px, py;
2179:
2180: px = data->cx;
2181: py = screen_hsize(back_s) + data->cy - data->oy;
2182:
2183: if (px > 0)
2184: px--;
2185:
2186: if (jump_again && px > 0)
2187: px--;
2188:
2189: for (;;) {
2190: grid_get_cell(back_s->grid, px, py, &gc);
2191: if (!(gc.flags & GRID_FLAG_PADDING) &&
2192: gc.data.size == 1 && *gc.data.data == data->jumpchar) {
2193: window_copy_update_cursor(wp, px + 1, data->cy);
2194: if (window_copy_update_selection(wp, 1))
2195: window_copy_redraw_lines(wp, data->cy, 1);
2196: return;
2197: }
2198: if (px == 0)
2199: break;
2200: px--;
2201: }
2202: }
2203:
2204: static void
2205: window_copy_cursor_next_word(struct window_pane *wp, const char *separators)
2206: {
2207: struct window_copy_mode_data *data = wp->modedata;
2208: struct screen *back_s = data->backing;
2209: u_int px, py, xx, yy;
2210: int expected = 0;
2211:
2212: px = data->cx;
2213: py = screen_hsize(back_s) + data->cy - data->oy;
2214: xx = window_copy_find_length(wp, py);
2215: yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
2216:
2217: /*
2218: * First skip past any nonword characters and then any word characters.
2219: *
2220: * expected is initially set to 0 for the former and then 1 for the
2221: * latter.
2222: */
2223: do {
2224: while (px > xx ||
2225: window_copy_in_set(wp, px, py, separators) == expected) {
2226: /* Move down if we're past the end of the line. */
2227: if (px > xx) {
2228: if (py == yy)
2229: return;
2230: window_copy_cursor_down(wp, 0);
2231: px = 0;
2232:
2233: py = screen_hsize(back_s) + data->cy - data->oy;
2234: xx = window_copy_find_length(wp, py);
2235: } else
2236: px++;
2237: }
2238: expected = !expected;
2239: } while (expected == 1);
2240:
2241: window_copy_update_cursor(wp, px, data->cy);
2242: if (window_copy_update_selection(wp, 1))
2243: window_copy_redraw_lines(wp, data->cy, 1);
2244: }
2245:
2246: static void
2247: window_copy_cursor_next_word_end(struct window_pane *wp,
2248: const char *separators)
2249: {
2250: struct window_copy_mode_data *data = wp->modedata;
2251: struct options *oo = wp->window->options;
2252: struct screen *back_s = data->backing;
2253: u_int px, py, xx, yy;
2254: int keys, expected = 1;
2255:
2256: px = data->cx;
2257: py = screen_hsize(back_s) + data->cy - data->oy;
2258: xx = window_copy_find_length(wp, py);
2259: yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
2260:
2261: keys = options_get_number(oo, "mode-keys");
2262: if (keys == MODEKEY_VI && !window_copy_in_set(wp, px, py, separators))
2263: px++;
2264:
2265: /*
2266: * First skip past any word characters, then any nonword characters.
2267: *
2268: * expected is initially set to 1 for the former and then 0 for the
2269: * latter.
2270: */
2271: do {
2272: while (px > xx ||
2273: window_copy_in_set(wp, px, py, separators) == expected) {
2274: /* Move down if we're past the end of the line. */
2275: if (px > xx) {
2276: if (py == yy)
2277: return;
2278: window_copy_cursor_down(wp, 0);
2279: px = 0;
2280:
2281: py = screen_hsize(back_s) + data->cy - data->oy;
2282: xx = window_copy_find_length(wp, py);
2283: } else
2284: px++;
2285: }
2286: expected = !expected;
2287: } while (expected == 0);
2288:
2289: if (keys == MODEKEY_VI && px != 0)
2290: px--;
2291:
2292: window_copy_update_cursor(wp, px, data->cy);
2293: if (window_copy_update_selection(wp, 1))
2294: window_copy_redraw_lines(wp, data->cy, 1);
2295: }
2296:
2297: /* Move to the previous place where a word begins. */
2298: static void
2299: window_copy_cursor_previous_word(struct window_pane *wp,
2300: const char *separators)
2301: {
2302: struct window_copy_mode_data *data = wp->modedata;
2303: u_int px, py;
2304:
2305: px = data->cx;
2306: py = screen_hsize(data->backing) + data->cy - data->oy;
2307:
2308: /* Move back to the previous word character. */
2309: for (;;) {
2310: if (px > 0) {
2311: px--;
2312: if (!window_copy_in_set(wp, px, py, separators))
2313: break;
2314: } else {
2315: if (data->cy == 0 &&
2316: (screen_hsize(data->backing) == 0 ||
2317: data->oy >= screen_hsize(data->backing) - 1))
2318: goto out;
2319: window_copy_cursor_up(wp, 0);
2320:
2321: py = screen_hsize(data->backing) + data->cy - data->oy;
2322: px = window_copy_find_length(wp, py);
2323: }
2324: }
2325:
2326: /* Move back to the beginning of this word. */
2327: while (px > 0 && !window_copy_in_set(wp, px - 1, py, separators))
2328: px--;
2329:
2330: out:
2331: window_copy_update_cursor(wp, px, data->cy);
2332: if (window_copy_update_selection(wp, 1))
2333: window_copy_redraw_lines(wp, data->cy, 1);
2334: }
2335:
2336: static void
2337: window_copy_scroll_up(struct window_pane *wp, u_int ny)
2338: {
2339: struct window_copy_mode_data *data = wp->modedata;
2340: struct screen *s = &data->screen;
2341: struct screen_write_ctx ctx;
2342:
2343: if (data->oy < ny)
2344: ny = data->oy;
2345: if (ny == 0)
2346: return;
2347: data->oy -= ny;
2348:
2349: window_copy_update_selection(wp, 0);
2350:
2351: screen_write_start(&ctx, wp, NULL);
2352: screen_write_cursormove(&ctx, 0, 0);
2353: screen_write_deleteline(&ctx, ny, 8);
2354: window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
2355: window_copy_write_line(wp, &ctx, 0);
2356: if (screen_size_y(s) > 1)
2357: window_copy_write_line(wp, &ctx, 1);
2358: if (screen_size_y(s) > 3)
2359: window_copy_write_line(wp, &ctx, screen_size_y(s) - 2);
2360: if (s->sel.flag && screen_size_y(s) > ny)
2361: window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
2362: screen_write_cursormove(&ctx, data->cx, data->cy);
2363: screen_write_stop(&ctx);
2364: }
2365:
2366: static void
2367: window_copy_scroll_down(struct window_pane *wp, u_int ny)
2368: {
2369: struct window_copy_mode_data *data = wp->modedata;
2370: struct screen *s = &data->screen;
2371: struct screen_write_ctx ctx;
2372:
2373: if (ny > screen_hsize(data->backing))
2374: return;
2375:
2376: if (data->oy > screen_hsize(data->backing) - ny)
2377: ny = screen_hsize(data->backing) - data->oy;
2378: if (ny == 0)
2379: return;
2380: data->oy += ny;
2381:
2382: window_copy_update_selection(wp, 0);
2383:
2384: screen_write_start(&ctx, wp, NULL);
2385: screen_write_cursormove(&ctx, 0, 0);
2386: screen_write_insertline(&ctx, ny, 8);
2387: window_copy_write_lines(wp, &ctx, 0, ny);
2388: if (s->sel.flag && screen_size_y(s) > ny)
2389: window_copy_write_line(wp, &ctx, ny);
2390: else if (ny == 1) /* nuke position */
2391: window_copy_write_line(wp, &ctx, 1);
2392: screen_write_cursormove(&ctx, data->cx, data->cy);
2393: screen_write_stop(&ctx);
2394: }
2395:
2396: int
2397: window_copy_scroll_position(struct window_pane *wp)
2398: {
2399: struct window_copy_mode_data *data = wp->modedata;
2400:
2401: if (wp->mode != &window_copy_mode)
2402: return (-1);
2403: return (data->oy);
2404: }
2405:
2406: static void
2407: window_copy_rectangle_toggle(struct window_pane *wp)
2408: {
2409: struct window_copy_mode_data *data = wp->modedata;
2410: u_int px, py;
2411:
2412: data->rectflag = !data->rectflag;
2413:
2414: py = screen_hsize(data->backing) + data->cy - data->oy;
2415: px = window_copy_find_length(wp, py);
2416: if (data->cx > px)
2417: window_copy_update_cursor(wp, px, data->cy);
2418:
2419: window_copy_update_selection(wp, 1);
2420: window_copy_redraw_screen(wp);
2421: }
2422:
2423: static void
2424: window_copy_move_mouse(struct mouse_event *m)
2425: {
2426: struct window_pane *wp;
2427: u_int x, y;
2428:
2429: wp = cmd_mouse_pane(m, NULL, NULL);
2430: if (wp == NULL || wp->mode != &window_copy_mode)
2431: return;
2432:
2433: if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
2434: return;
2435:
2436: window_copy_update_cursor(wp, x, y);
2437: }
2438:
2439: void
2440: window_copy_start_drag(struct client *c, struct mouse_event *m)
2441: {
2442: struct window_pane *wp;
2443: u_int x, y;
2444:
2445: if (c == NULL)
2446: return;
2447:
2448: wp = cmd_mouse_pane(m, NULL, NULL);
2449: if (wp == NULL || wp->mode != &window_copy_mode)
2450: return;
2451:
2452: if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
2453: return;
2454:
2455: c->tty.mouse_drag_update = window_copy_drag_update;
2456: c->tty.mouse_drag_release = NULL; /* will fire MouseDragEnd key */
2457:
2458: window_copy_update_cursor(wp, x, y);
2459: window_copy_start_selection(wp);
2460: window_copy_redraw_screen(wp);
2461: }
2462:
2463: static void
2464: window_copy_drag_update(__unused struct client *c, struct mouse_event *m)
2465: {
2466: struct window_pane *wp;
2467: struct window_copy_mode_data *data;
2468: u_int x, y, old_cy;
2469:
2470: wp = cmd_mouse_pane(m, NULL, NULL);
2471: if (wp == NULL || wp->mode != &window_copy_mode)
2472: return;
2473: data = wp->modedata;
2474:
2475: if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
2476: return;
2477: old_cy = data->cy;
2478:
2479: window_copy_update_cursor(wp, x, y);
2480: if (window_copy_update_selection(wp, 1))
2481: window_copy_redraw_selection(wp, old_cy);
2482: }
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