Annotation of src/usr.bin/tmux/window-copy.c, Revision 1.40
1.40 ! nicm 1: /* $OpenBSD: window-copy.c,v 1.39 2010/01/25 22:34:11 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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:
1.21 nicm 21: #include <stdlib.h>
1.1 nicm 22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: struct screen *window_copy_init(struct window_pane *);
27: void window_copy_free(struct window_pane *);
28: void window_copy_resize(struct window_pane *, u_int, u_int);
29: void window_copy_key(struct window_pane *, struct client *, int);
1.21 nicm 30: int window_copy_key_input(struct window_pane *, int);
1.1 nicm 31: void window_copy_mouse(
1.35 nicm 32: struct window_pane *, struct client *, struct mouse_event *);
1.1 nicm 33:
34: void window_copy_redraw_lines(struct window_pane *, u_int, u_int);
35: void window_copy_redraw_screen(struct window_pane *);
36: void window_copy_write_line(
1.35 nicm 37: struct window_pane *, struct screen_write_ctx *, u_int);
1.1 nicm 38: void window_copy_write_lines(
1.35 nicm 39: struct window_pane *, struct screen_write_ctx *, u_int, u_int);
1.1 nicm 40:
1.21 nicm 41: void window_copy_scroll_to(struct window_pane *, u_int, u_int);
42: int window_copy_search_compare(
43: struct grid *, u_int, u_int, struct grid *, u_int);
44: int window_copy_search_lr(
45: struct grid *, struct grid *, u_int *, u_int, u_int, u_int);
46: int window_copy_search_rl(
47: struct grid *, struct grid *, u_int *, u_int, u_int, u_int);
48: void window_copy_search_up(struct window_pane *, const char *);
49: void window_copy_search_down(struct window_pane *, const char *);
50: void window_copy_goto_line(struct window_pane *, const char *);
1.18 nicm 51: void window_copy_update_cursor(struct window_pane *, u_int, u_int);
1.1 nicm 52: void window_copy_start_selection(struct window_pane *);
53: int window_copy_update_selection(struct window_pane *);
54: void window_copy_copy_selection(struct window_pane *, struct client *);
55: void window_copy_copy_line(
56: struct window_pane *, char **, size_t *, u_int, u_int, u_int);
57: int window_copy_is_space(struct window_pane *, u_int, u_int);
58: u_int window_copy_find_length(struct window_pane *, u_int);
59: void window_copy_cursor_start_of_line(struct window_pane *);
1.6 nicm 60: void window_copy_cursor_back_to_indentation(struct window_pane *);
1.1 nicm 61: void window_copy_cursor_end_of_line(struct window_pane *);
62: void window_copy_cursor_left(struct window_pane *);
63: void window_copy_cursor_right(struct window_pane *);
1.28 nicm 64: void window_copy_cursor_up(struct window_pane *, int);
65: void window_copy_cursor_down(struct window_pane *, int);
1.1 nicm 66: void window_copy_cursor_next_word(struct window_pane *);
1.40 ! nicm 67: void window_copy_cursor_next_word_end(struct window_pane *);
1.1 nicm 68: void window_copy_cursor_previous_word(struct window_pane *);
69: void window_copy_scroll_up(struct window_pane *, u_int);
70: void window_copy_scroll_down(struct window_pane *, u_int);
71:
72: const struct window_mode window_copy_mode = {
73: window_copy_init,
74: window_copy_free,
75: window_copy_resize,
76: window_copy_key,
77: window_copy_mouse,
78: NULL,
79: };
80:
1.21 nicm 81: enum window_copy_input_type {
82: WINDOW_COPY_OFF,
83: WINDOW_COPY_SEARCHUP,
84: WINDOW_COPY_SEARCHDOWN,
85: WINDOW_COPY_GOTOLINE,
86: };
87:
1.1 nicm 88: struct window_copy_mode_data {
89: struct screen screen;
90:
1.21 nicm 91: struct mode_key_data mdata;
92:
93: u_int oy;
94:
95: u_int selx;
96: u_int sely;
1.1 nicm 97:
1.21 nicm 98: u_int cx;
99: u_int cy;
1.1 nicm 100:
1.25 nicm 101: u_int lastcx; /* position in last line with content */
102: u_int lastsx; /* size of last line with content */
103:
1.21 nicm 104: enum window_copy_input_type inputtype;
105: const char *inputprompt;
106: char *inputstr;
1.1 nicm 107:
1.21 nicm 108: enum window_copy_input_type searchtype;
109: char *searchstr;
1.1 nicm 110: };
111:
112: struct screen *
113: window_copy_init(struct window_pane *wp)
114: {
115: struct window_copy_mode_data *data;
116: struct screen *s;
117: struct screen_write_ctx ctx;
118: u_int i;
1.10 nicm 119: int keys;
1.1 nicm 120:
121: wp->modedata = data = xmalloc(sizeof *data);
122: data->oy = 0;
123: data->cx = wp->base.cx;
124: data->cy = wp->base.cy;
125:
1.25 nicm 126: data->lastcx = 0;
127: data->lastsx = 0;
128:
1.21 nicm 129: data->inputtype = WINDOW_COPY_OFF;
130: data->inputprompt = NULL;
131: data->inputstr = xstrdup("");
132:
133: data->searchtype = WINDOW_COPY_OFF;
134: data->searchstr = NULL;
135:
1.1 nicm 136: s = &data->screen;
137: screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
1.13 nicm 138: if (options_get_number(&wp->window->options, "mode-mouse"))
139: s->mode |= MODE_MOUSE;
1.1 nicm 140:
1.10 nicm 141: keys = options_get_number(&wp->window->options, "mode-keys");
142: if (keys == MODEKEY_EMACS)
1.12 nicm 143: mode_key_init(&data->mdata, &mode_key_tree_emacs_copy);
1.10 nicm 144: else
1.12 nicm 145: mode_key_init(&data->mdata, &mode_key_tree_vi_copy);
1.1 nicm 146:
147: s->cx = data->cx;
148: s->cy = data->cy;
149:
150: screen_write_start(&ctx, NULL, s);
151: for (i = 0; i < screen_size_y(s); i++)
152: window_copy_write_line(wp, &ctx, i);
153: screen_write_cursormove(&ctx, data->cx, data->cy);
154: screen_write_stop(&ctx);
155:
156: return (s);
157: }
158:
159: void
160: window_copy_free(struct window_pane *wp)
161: {
162: struct window_copy_mode_data *data = wp->modedata;
163:
1.21 nicm 164: if (data->searchstr != NULL)
165: xfree(data->searchstr);
166: xfree(data->inputstr);
167:
1.1 nicm 168: screen_free(&data->screen);
1.21 nicm 169:
1.1 nicm 170: xfree(data);
171: }
172:
173: void
174: window_copy_pageup(struct window_pane *wp)
175: {
176: struct window_copy_mode_data *data = wp->modedata;
177: struct screen *s = &data->screen;
1.19 nicm 178: u_int n;
1.1 nicm 179:
1.19 nicm 180: n = 1;
181: if (screen_size_y(s) > 2)
182: n = screen_size_y(s) - 2;
183: if (data->oy + n > screen_hsize(&wp->base))
1.1 nicm 184: data->oy = screen_hsize(&wp->base);
185: else
1.19 nicm 186: data->oy += n;
1.1 nicm 187: window_copy_update_selection(wp);
188: window_copy_redraw_screen(wp);
189: }
190:
191: void
192: window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
193: {
194: struct window_copy_mode_data *data = wp->modedata;
195: struct screen *s = &data->screen;
196: struct screen_write_ctx ctx;
197:
198: screen_resize(s, sx, sy);
1.35 nicm 199:
1.18 nicm 200: if (data->cy > sy - 1)
201: data->cy = sy - 1;
202: if (data->cx > sx)
203: data->cx = sx;
204:
205: screen_clear_selection(&data->screen);
206:
1.1 nicm 207: screen_write_start(&ctx, NULL, s);
208: window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
209: screen_write_stop(&ctx);
1.18 nicm 210:
1.17 nicm 211: window_copy_redraw_screen(wp);
1.1 nicm 212: }
213:
214: void
215: window_copy_key(struct window_pane *wp, struct client *c, int key)
216: {
217: struct window_copy_mode_data *data = wp->modedata;
218: struct screen *s = &data->screen;
1.19 nicm 219: u_int n;
1.21 nicm 220: int keys;
221:
222: if (data->inputtype != WINDOW_COPY_OFF) {
223: if (window_copy_key_input(wp, key) != 0)
224: goto input_off;
225: return;
226: }
1.1 nicm 227:
228: switch (mode_key_lookup(&data->mdata, key)) {
1.11 nicm 229: case MODEKEYCOPY_CANCEL:
1.1 nicm 230: window_pane_reset_mode(wp);
231: break;
1.10 nicm 232: case MODEKEYCOPY_LEFT:
1.1 nicm 233: window_copy_cursor_left(wp);
234: return;
1.10 nicm 235: case MODEKEYCOPY_RIGHT:
1.1 nicm 236: window_copy_cursor_right(wp);
1.35 nicm 237: return;
1.10 nicm 238: case MODEKEYCOPY_UP:
1.28 nicm 239: window_copy_cursor_up(wp, 0);
1.1 nicm 240: return;
1.10 nicm 241: case MODEKEYCOPY_DOWN:
1.28 nicm 242: window_copy_cursor_down(wp, 0);
1.1 nicm 243: return;
1.28 nicm 244: case MODEKEYCOPY_SCROLLUP:
245: window_copy_cursor_up(wp, 1);
246: break;
247: case MODEKEYCOPY_SCROLLDOWN:
248: window_copy_cursor_down(wp, 1);
249: break;
1.10 nicm 250: case MODEKEYCOPY_PREVIOUSPAGE:
1.1 nicm 251: window_copy_pageup(wp);
252: break;
1.10 nicm 253: case MODEKEYCOPY_NEXTPAGE:
1.19 nicm 254: n = 1;
255: if (screen_size_y(s) > 2)
256: n = screen_size_y(s) - 2;
1.20 nicm 257: if (data->oy < n)
258: data->oy = 0;
259: else
260: data->oy -= n;
261: window_copy_update_selection(wp);
262: window_copy_redraw_screen(wp);
263: break;
264: case MODEKEYCOPY_HALFPAGEUP:
265: n = screen_size_y(s) / 2;
266: if (data->oy + n > screen_hsize(&wp->base))
267: data->oy = screen_hsize(&wp->base);
268: else
269: data->oy += n;
270: window_copy_update_selection(wp);
271: window_copy_redraw_screen(wp);
272: break;
273: case MODEKEYCOPY_HALFPAGEDOWN:
274: n = screen_size_y(s) / 2;
1.19 nicm 275: if (data->oy < n)
1.1 nicm 276: data->oy = 0;
277: else
1.19 nicm 278: data->oy -= n;
1.30 nicm 279: window_copy_update_selection(wp);
280: window_copy_redraw_screen(wp);
281: break;
282: case MODEKEYCOPY_TOPLINE:
283: data->cx = 0;
284: data->cy = 0;
285: window_copy_update_selection(wp);
286: window_copy_redraw_screen(wp);
287: break;
288: case MODEKEYCOPY_MIDDLELINE:
289: data->cx = 0;
290: data->cy = (screen_size_y(s) - 1) / 2;
291: window_copy_update_selection(wp);
292: window_copy_redraw_screen(wp);
293: break;
294: case MODEKEYCOPY_BOTTOMLINE:
295: data->cx = 0;
296: data->cy = screen_size_y(s) - 1;
1.37 nicm 297: window_copy_update_selection(wp);
298: window_copy_redraw_screen(wp);
299: break;
300: case MODEKEYCOPY_HISTORYTOP:
301: data->cx = 0;
302: data->cy = 0;
303: data->oy = screen_hsize(&wp->base);
304: window_copy_update_selection(wp);
305: window_copy_redraw_screen(wp);
306: break;
307: case MODEKEYCOPY_HISTORYBOTTOM:
308: data->cx = 0;
309: data->cy = screen_size_y(s) - 1;
310: data->oy = 0;
1.1 nicm 311: window_copy_update_selection(wp);
312: window_copy_redraw_screen(wp);
313: break;
1.10 nicm 314: case MODEKEYCOPY_STARTSELECTION:
1.35 nicm 315: window_copy_start_selection(wp);
1.7 nicm 316: window_copy_redraw_screen(wp);
1.1 nicm 317: break;
1.10 nicm 318: case MODEKEYCOPY_CLEARSELECTION:
1.1 nicm 319: screen_clear_selection(&data->screen);
320: window_copy_redraw_screen(wp);
321: break;
1.10 nicm 322: case MODEKEYCOPY_COPYSELECTION:
1.1 nicm 323: if (c != NULL && c->session != NULL) {
324: window_copy_copy_selection(wp, c);
325: window_pane_reset_mode(wp);
326: }
327: break;
1.10 nicm 328: case MODEKEYCOPY_STARTOFLINE:
1.1 nicm 329: window_copy_cursor_start_of_line(wp);
330: break;
1.10 nicm 331: case MODEKEYCOPY_BACKTOINDENTATION:
1.6 nicm 332: window_copy_cursor_back_to_indentation(wp);
333: break;
1.10 nicm 334: case MODEKEYCOPY_ENDOFLINE:
1.1 nicm 335: window_copy_cursor_end_of_line(wp);
336: break;
1.10 nicm 337: case MODEKEYCOPY_NEXTWORD:
1.1 nicm 338: window_copy_cursor_next_word(wp);
339: break;
1.40 ! nicm 340: case MODEKEYCOPY_NEXTWORDEND:
! 341: window_copy_cursor_next_word_end(wp);
! 342: break;
1.10 nicm 343: case MODEKEYCOPY_PREVIOUSWORD:
1.1 nicm 344: window_copy_cursor_previous_word(wp);
345: break;
1.21 nicm 346: case MODEKEYCOPY_SEARCHUP:
347: data->inputtype = WINDOW_COPY_SEARCHUP;
348: data->inputprompt = "Search Up";
349: goto input_on;
350: case MODEKEYCOPY_SEARCHDOWN:
351: data->inputtype = WINDOW_COPY_SEARCHDOWN;
352: data->inputprompt = "Search Down";
353: goto input_on;
354: case MODEKEYCOPY_SEARCHAGAIN:
355: switch (data->searchtype) {
356: case WINDOW_COPY_OFF:
357: case WINDOW_COPY_GOTOLINE:
358: break;
359: case WINDOW_COPY_SEARCHUP:
360: window_copy_search_up(wp, data->searchstr);
361: break;
362: case WINDOW_COPY_SEARCHDOWN:
363: window_copy_search_down(wp, data->searchstr);
364: break;
365: }
366: break;
367: case MODEKEYCOPY_GOTOLINE:
368: data->inputtype = WINDOW_COPY_GOTOLINE;
369: data->inputprompt = "Goto Line";
370: *data->inputstr = '\0';
371: goto input_on;
372: default:
373: break;
374: }
375:
376: return;
377:
378: input_on:
379: keys = options_get_number(&wp->window->options, "mode-keys");
380: if (keys == MODEKEY_EMACS)
381: mode_key_init(&data->mdata, &mode_key_tree_emacs_edit);
382: else
383: mode_key_init(&data->mdata, &mode_key_tree_vi_edit);
384:
385: window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
386: return;
387:
388: input_off:
389: keys = options_get_number(&wp->window->options, "mode-keys");
390: if (keys == MODEKEY_EMACS)
391: mode_key_init(&data->mdata, &mode_key_tree_emacs_copy);
392: else
393: mode_key_init(&data->mdata, &mode_key_tree_vi_copy);
394:
395: data->inputtype = WINDOW_COPY_OFF;
396: data->inputprompt = NULL;
397:
398: window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
399: }
400:
401: int
402: window_copy_key_input(struct window_pane *wp, int key)
403: {
404: struct window_copy_mode_data *data = wp->modedata;
405: struct screen *s = &data->screen;
406: size_t inputlen;
407:
408: switch (mode_key_lookup(&data->mdata, key)) {
409: case MODEKEYEDIT_CANCEL:
410: return (-1);
411: case MODEKEYEDIT_BACKSPACE:
412: inputlen = strlen(data->inputstr);
413: if (inputlen > 0)
414: data->inputstr[inputlen - 1] = '\0';
1.22 nicm 415: break;
416: case MODEKEYEDIT_DELETELINE:
417: *data->inputstr = '\0';
1.21 nicm 418: break;
419: case MODEKEYEDIT_ENTER:
420: switch (data->inputtype) {
421: case WINDOW_COPY_OFF:
422: break;
423: case WINDOW_COPY_SEARCHUP:
424: window_copy_search_up(wp, data->inputstr);
425: data->searchtype = data->inputtype;
426: data->searchstr = xstrdup(data->inputstr);
427: break;
428: case WINDOW_COPY_SEARCHDOWN:
429: window_copy_search_down(wp, data->inputstr);
430: data->searchtype = data->inputtype;
431: data->searchstr = xstrdup(data->inputstr);
432: break;
433: case WINDOW_COPY_GOTOLINE:
434: window_copy_goto_line(wp, data->inputstr);
435: *data->inputstr = '\0';
436: break;
437: }
438: return (1);
439: case MODEKEY_OTHER:
440: if (key < 32 || key > 126)
441: break;
442: inputlen = strlen(data->inputstr) + 2;
1.35 nicm 443:
1.21 nicm 444: data->inputstr = xrealloc(data->inputstr, 1, inputlen);
445: data->inputstr[inputlen - 2] = key;
446: data->inputstr[inputlen - 1] = '\0';
447: break;
1.1 nicm 448: default:
449: break;
450: }
1.21 nicm 451:
452: window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
453: return (0);
1.1 nicm 454: }
455:
1.34 nicm 456: /* ARGSUSED */
1.1 nicm 457: void
1.29 nicm 458: window_copy_mouse(
459: struct window_pane *wp, unused struct client *c, struct mouse_event *m)
1.1 nicm 460: {
461: struct window_copy_mode_data *data = wp->modedata;
462: struct screen *s = &data->screen;
463:
1.29 nicm 464: if ((m->b & 3) == 3)
1.1 nicm 465: return;
1.29 nicm 466: if (m->x >= screen_size_x(s))
1.1 nicm 467: return;
1.29 nicm 468: if (m->y >= screen_size_y(s))
1.1 nicm 469: return;
470:
1.29 nicm 471: window_copy_update_cursor(wp, m->x, m->y);
1.1 nicm 472: if (window_copy_update_selection(wp))
1.35 nicm 473: window_copy_redraw_screen(wp);
1.1 nicm 474: }
475:
476: void
1.21 nicm 477: window_copy_scroll_to(struct window_pane *wp, u_int px, u_int py)
478: {
479: struct window_copy_mode_data *data = wp->modedata;
480: struct screen *s = &wp->base;
481: struct grid *gd = s->grid;
482: u_int offset, gap;
483:
484: data->cx = px;
485:
486: gap = gd->sy / 4;
487: if (py < gd->sy) {
488: offset = 0;
489: data->cy = py;
490: } else if (py > gd->hsize + gd->sy - gap) {
491: offset = gd->hsize;
492: data->cy = py - gd->hsize;
493: } else {
494: offset = py + gap - gd->sy;
495: data->cy = py - offset;
496: }
1.35 nicm 497: data->oy = gd->hsize - offset;
1.21 nicm 498:
1.38 nicm 499: window_copy_update_selection(wp);
1.21 nicm 500: window_copy_redraw_screen(wp);
501: }
502:
503: int
504: window_copy_search_compare(
505: struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx)
506: {
507: const struct grid_cell *gc, *sgc;
508: const struct grid_utf8 *gu, *sgu;
509:
510: gc = grid_peek_cell(gd, px, py);
511: sgc = grid_peek_cell(sgd, spx, 0);
1.35 nicm 512:
1.21 nicm 513: if ((gc->flags & GRID_FLAG_UTF8) != (sgc->flags & GRID_FLAG_UTF8))
514: return (0);
515:
516: if (gc->flags & GRID_FLAG_UTF8) {
517: gu = grid_peek_utf8(gd, px, py);
518: sgu = grid_peek_utf8(sgd, spx, 0);
1.32 nicm 519: if (grid_utf8_compare(gu, sgu))
1.21 nicm 520: return (1);
521: } else {
522: if (gc->data == sgc->data)
523: return (1);
524: }
525: return (0);
526: }
527:
528: int
529: window_copy_search_lr(struct grid *gd,
530: struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
531: {
532: u_int ax, bx, px;
533:
534: for (ax = first; ax < last; ax++) {
535: if (ax + sgd->sx >= gd->sx)
536: break;
537: for (bx = 0; bx < sgd->sx; bx++) {
538: px = ax + bx;
539: if (!window_copy_search_compare(gd, px, py, sgd, bx))
540: break;
541: }
542: if (bx == sgd->sx) {
543: *ppx = ax;
544: return (1);
545: }
546: }
547: return (0);
548: }
549:
550: int
551: window_copy_search_rl(struct grid *gd,
552: struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
553: {
554: u_int ax, bx, px;
555:
556: for (ax = last + 1; ax > first; ax--) {
1.24 nicm 557: if (gd->sx - (ax - 1) < sgd->sx)
558: continue;
1.21 nicm 559: for (bx = 0; bx < sgd->sx; bx++) {
560: px = ax - 1 + bx;
561: if (!window_copy_search_compare(gd, px, py, sgd, bx))
562: break;
563: }
564: if (bx == sgd->sx) {
565: *ppx = ax - 1;
566: return (1);
567: }
568: }
569: return (0);
570: }
571:
572: void
573: window_copy_search_up(struct window_pane *wp, const char *searchstr)
574: {
575: struct window_copy_mode_data *data = wp->modedata;
576: struct screen *s = &wp->base, ss;
577: struct screen_write_ctx ctx;
578: struct grid *gd = s->grid, *sgd;
579: struct grid_cell gc;
580: size_t searchlen;
581: u_int i, last, fx, fy, px;
582: int utf8flag, n, wrapped;
583:
584: if (*searchstr == '\0')
585: return;
586: utf8flag = options_get_number(&wp->window->options, "utf8");
587: searchlen = screen_write_strlen(utf8flag, "%s", searchstr);
588:
589: screen_init(&ss, searchlen, 1, 0);
590: screen_write_start(&ctx, NULL, &ss);
591: memcpy(&gc, &grid_default_cell, sizeof gc);
592: screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr);
593: screen_write_stop(&ctx);
594:
595: fx = data->cx;
596: fy = gd->hsize - data->oy + data->cy;
597:
598: if (fx == 0) {
599: if (fy == 0)
600: return;
601: fx = gd->sx - 1;
602: fy--;
603: } else
604: fx--;
605: n = wrapped = 0;
606:
607: retry:
608: sgd = ss.grid;
609: for (i = fy + 1; i > 0; i--) {
610: last = screen_size_x(s);
611: if (i == fy + 1)
612: last = fx;
613: n = window_copy_search_rl(gd, sgd, &px, i - 1, 0, last);
614: if (n) {
615: window_copy_scroll_to(wp, px, i - 1);
616: break;
617: }
618: }
619: if (!n && !wrapped) {
620: fx = gd->sx - 1;
621: fy = gd->hsize + gd->sy - 1;
622: wrapped = 1;
623: goto retry;
624: }
625:
626: screen_free(&ss);
627: }
628:
629: void
630: window_copy_search_down(struct window_pane *wp, const char *searchstr)
631: {
632: struct window_copy_mode_data *data = wp->modedata;
633: struct screen *s = &wp->base, ss;
634: struct screen_write_ctx ctx;
635: struct grid *gd = s->grid, *sgd;
636: struct grid_cell gc;
637: size_t searchlen;
638: u_int i, first, fx, fy, px;
639: int utf8flag, n, wrapped;
640:
641: if (*searchstr == '\0')
642: return;
643: utf8flag = options_get_number(&wp->window->options, "utf8");
644: searchlen = screen_write_strlen(utf8flag, "%s", searchstr);
645:
646: screen_init(&ss, searchlen, 1, 0);
647: screen_write_start(&ctx, NULL, &ss);
648: memcpy(&gc, &grid_default_cell, sizeof gc);
649: screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr);
650: screen_write_stop(&ctx);
651:
652: fx = data->cx;
653: fy = gd->hsize - data->oy + data->cy;
654:
655: if (fx == gd->sx - 1) {
656: if (fy == gd->hsize + gd->sy)
657: return;
658: fx = 0;
659: fy++;
660: } else
661: fx++;
662: n = wrapped = 0;
663:
664: retry:
665: sgd = ss.grid;
666: for (i = fy + 1; i < gd->hsize + gd->sy; i++) {
667: first = 0;
668: if (i == fy + 1)
669: first = fx;
670: n = window_copy_search_lr(gd, sgd, &px, i - 1, first, gd->sx);
671: if (n) {
672: window_copy_scroll_to(wp, px, i - 1);
673: break;
674: }
675: }
676: if (!n && !wrapped) {
677: fx = 0;
678: fy = 0;
679: wrapped = 1;
680: goto retry;
681: }
682:
683: screen_free(&ss);
684: }
685:
686: void
687: window_copy_goto_line(struct window_pane *wp, const char *linestr)
688: {
689: struct window_copy_mode_data *data = wp->modedata;
690: const char *errstr;
691: u_int lineno;
692:
693: lineno = strtonum(linestr, 0, screen_hsize(&wp->base), &errstr);
694: if (errstr != NULL)
695: return;
1.35 nicm 696:
1.21 nicm 697: data->oy = lineno;
1.38 nicm 698: window_copy_update_selection(wp);
1.21 nicm 699: window_copy_redraw_screen(wp);
700: }
701:
702: void
1.18 nicm 703: window_copy_write_line(
704: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
1.1 nicm 705: {
706: struct window_copy_mode_data *data = wp->modedata;
707: struct screen *s = &data->screen;
1.27 nicm 708: struct options *oo = &wp->window->options;
1.1 nicm 709: struct grid_cell gc;
710: char hdr[32];
1.21 nicm 711: size_t last, xoff = 0, size = 0;
712:
713: memcpy(&gc, &grid_default_cell, sizeof gc);
1.27 nicm 714: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
715: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
716: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 717:
1.21 nicm 718: last = screen_size_y(s) - 1;
1.1 nicm 719: if (py == 0) {
720: size = xsnprintf(hdr, sizeof hdr,
1.18 nicm 721: "[%u/%u]", data->oy, screen_hsize(&wp->base));
1.1 nicm 722: screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
723: screen_write_puts(ctx, &gc, "%s", hdr);
1.21 nicm 724: } else if (py == last && data->inputtype != WINDOW_COPY_OFF) {
725: xoff = size = xsnprintf(hdr, sizeof hdr,
726: "%s: %s", data->inputprompt, data->inputstr);
727: screen_write_cursormove(ctx, 0, last);
728: screen_write_puts(ctx, &gc, "%s", hdr);
1.1 nicm 729: } else
730: size = 0;
731:
1.21 nicm 732: screen_write_cursormove(ctx, xoff, py);
733: screen_write_copy(ctx, &wp->base, xoff, (screen_hsize(&wp->base) -
1.1 nicm 734: data->oy) + py, screen_size_x(s) - size, 1);
1.18 nicm 735:
736: if (py == data->cy && data->cx == screen_size_x(s)) {
737: memcpy(&gc, &grid_default_cell, sizeof gc);
738: screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
739: screen_write_putc(ctx, &gc, '$');
740: }
1.1 nicm 741: }
742:
743: void
744: window_copy_write_lines(
745: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py, u_int ny)
746: {
747: u_int yy;
748:
749: for (yy = py; yy < py + ny; yy++)
750: window_copy_write_line(wp, ctx, py);
751: }
752:
753: void
754: window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
755: {
756: struct window_copy_mode_data *data = wp->modedata;
757: struct screen_write_ctx ctx;
758: u_int i;
759:
760: screen_write_start(&ctx, wp, NULL);
761: for (i = py; i < py + ny; i++)
762: window_copy_write_line(wp, &ctx, i);
763: screen_write_cursormove(&ctx, data->cx, data->cy);
764: screen_write_stop(&ctx);
765: }
766:
767: void
768: window_copy_redraw_screen(struct window_pane *wp)
769: {
770: struct window_copy_mode_data *data = wp->modedata;
771:
772: window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
773: }
774:
775: void
1.18 nicm 776: window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
1.1 nicm 777: {
778: struct window_copy_mode_data *data = wp->modedata;
1.18 nicm 779: struct screen *s = &data->screen;
1.1 nicm 780: struct screen_write_ctx ctx;
1.18 nicm 781: u_int old_cx, old_cy;
1.1 nicm 782:
1.18 nicm 783: old_cx = data->cx; old_cy = data->cy;
784: data->cx = cx; data->cy = cy;
785: if (old_cx == screen_size_x(s))
786: window_copy_redraw_lines(wp, old_cy, 1);
787: if (data->cx == screen_size_x(s))
788: window_copy_redraw_lines(wp, data->cy, 1);
789: else {
790: screen_write_start(&ctx, wp, NULL);
791: screen_write_cursormove(&ctx, data->cx, data->cy);
792: screen_write_stop(&ctx);
793: }
1.1 nicm 794: }
795:
796: void
797: window_copy_start_selection(struct window_pane *wp)
798: {
799: struct window_copy_mode_data *data = wp->modedata;
800: struct screen *s = &data->screen;
801:
1.18 nicm 802: data->selx = data->cx;
1.1 nicm 803: data->sely = screen_hsize(&wp->base) + data->cy - data->oy;
804:
805: s->sel.flag = 1;
806: window_copy_update_selection(wp);
807: }
808:
809: int
810: window_copy_update_selection(struct window_pane *wp)
811: {
812: struct window_copy_mode_data *data = wp->modedata;
813: struct screen *s = &data->screen;
1.27 nicm 814: struct options *oo = &wp->window->options;
1.1 nicm 815: struct grid_cell gc;
1.18 nicm 816: u_int sx, sy, ty;
1.1 nicm 817:
818: if (!s->sel.flag)
819: return (0);
820:
821: /* Set colours. */
822: memcpy(&gc, &grid_default_cell, sizeof gc);
1.27 nicm 823: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
824: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
825: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 826:
1.18 nicm 827: /* Find top of screen. */
1.1 nicm 828: ty = screen_hsize(&wp->base) - data->oy;
829:
830: /* Adjust the selection. */
831: sx = data->selx;
832: sy = data->sely;
1.18 nicm 833: if (sy < ty) { /* above screen */
1.1 nicm 834: sx = 0;
835: sy = 0;
1.18 nicm 836: } else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
1.1 nicm 837: sx = screen_size_x(s) - 1;
838: sy = screen_size_y(s) - 1;
1.18 nicm 839: } else
1.1 nicm 840: sy -= ty;
841: sy = screen_hsize(s) + sy;
842:
843: screen_set_selection(
844: s, sx, sy, data->cx, screen_hsize(s) + data->cy, &gc);
845: return (1);
846: }
847:
848: void
849: window_copy_copy_selection(struct window_pane *wp, struct client *c)
850: {
851: struct window_copy_mode_data *data = wp->modedata;
852: struct screen *s = &data->screen;
853: char *buf;
854: size_t off;
855: u_int i, xx, yy, sx, sy, ex, ey, limit;
856:
857: if (!s->sel.flag)
858: return;
859:
860: buf = xmalloc(1);
861: off = 0;
862:
863: *buf = '\0';
864:
865: /*
866: * The selection extends from selx,sely to (adjusted) cx,cy on
867: * the base screen.
868: */
869:
870: /* Find start and end. */
1.18 nicm 871: xx = data->cx;
1.1 nicm 872: yy = screen_hsize(&wp->base) + data->cy - data->oy;
1.2 nicm 873: if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
1.1 nicm 874: sx = xx; sy = yy;
875: ex = data->selx; ey = data->sely;
876: } else {
877: sx = data->selx; sy = data->sely;
878: ex = xx; ey = yy;
879: }
880:
881: /* Trim ex to end of line. */
882: xx = window_copy_find_length(wp, ey);
883: if (ex > xx)
884: ex = xx;
885:
886: /* Copy the lines. */
887: if (sy == ey)
888: window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
889: else {
1.16 nicm 890: xx = screen_size_x(s);
1.1 nicm 891: window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
892: if (ey - sy > 1) {
1.16 nicm 893: for (i = sy + 1; i < ey; i++)
1.1 nicm 894: window_copy_copy_line(wp, &buf, &off, i, 0, xx);
895: }
896: window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
897: }
898:
1.26 nicm 899: /* Don't bother if no data. */
900: if (off == 0) {
901: xfree(buf);
902: return;
903: }
904: off--; /* remove final \n */
1.1 nicm 905:
906: /* Add the buffer to the stack. */
907: limit = options_get_number(&c->session->options, "buffer-limit");
1.26 nicm 908: paste_add(&c->session->buffers, buf, off, limit);
1.1 nicm 909: }
910:
911: void
912: window_copy_copy_line(struct window_pane *wp,
913: char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
914: {
1.16 nicm 915: struct grid *gd = wp->base.grid;
1.35 nicm 916: const struct grid_cell *gc;
917: const struct grid_utf8 *gu;
1.16 nicm 918: struct grid_line *gl;
1.32 nicm 919: u_int i, xx, wrapped = 0;
920: size_t size;
1.1 nicm 921:
922: if (sx > ex)
923: return;
924:
1.16 nicm 925: /*
926: * Work out if the line was wrapped at the screen edge and all of it is
927: * on screen.
928: */
929: gl = &gd->linedata[sy];
1.35 nicm 930: if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
1.16 nicm 931: wrapped = 1;
932:
933: /* If the line was wrapped, don't strip spaces (use the full length). */
934: if (wrapped)
935: xx = gl->cellsize;
936: else
937: xx = window_copy_find_length(wp, sy);
1.1 nicm 938: if (ex > xx)
939: ex = xx;
940: if (sx > xx)
941: sx = xx;
942:
943: if (sx < ex) {
944: for (i = sx; i < ex; i++) {
1.16 nicm 945: gc = grid_peek_cell(gd, i, sy);
1.1 nicm 946: if (gc->flags & GRID_FLAG_PADDING)
947: continue;
948: if (!(gc->flags & GRID_FLAG_UTF8)) {
949: *buf = xrealloc(*buf, 1, (*off) + 1);
950: (*buf)[(*off)++] = gc->data;
951: } else {
1.16 nicm 952: gu = grid_peek_utf8(gd, i, sy);
1.32 nicm 953: size = grid_utf8_size(gu);
954: *buf = xrealloc(*buf, 1, (*off) + size);
955: *off += grid_utf8_copy(gu, *buf + *off, size);
1.1 nicm 956: }
957: }
958: }
959:
1.16 nicm 960: /* Only add a newline if the line wasn't wrapped. */
1.35 nicm 961: if (!wrapped) {
1.16 nicm 962: *buf = xrealloc(*buf, 1, (*off) + 1);
963: (*buf)[(*off)++] = '\n';
964: }
1.1 nicm 965: }
966:
967: int
968: window_copy_is_space(struct window_pane *wp, u_int px, u_int py)
969: {
970: const struct grid_cell *gc;
971: const char *spaces = " -_@";
972:
973: gc = grid_peek_cell(wp->base.grid, px, py);
974: if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8))
975: return (0);
976: if (gc->data == 0x00 || gc->data == 0x7f)
977: return (0);
978: return (strchr(spaces, gc->data) != NULL);
979: }
980:
981: u_int
982: window_copy_find_length(struct window_pane *wp, u_int py)
983: {
984: const struct grid_cell *gc;
985: u_int px;
986:
1.4 nicm 987: /*
988: * If the pane has been resized, its grid can contain old overlong
989: * lines. grid_peek_cell does not allow accessing cells beyond the
990: * width of the grid, and screen_write_copy treats them as spaces, so
991: * ignore them here too.
992: */
1.15 nicm 993: px = wp->base.grid->linedata[py].cellsize;
1.4 nicm 994: if (px > screen_size_x(&wp->base))
995: px = screen_size_x(&wp->base);
1.1 nicm 996: while (px > 0) {
997: gc = grid_peek_cell(wp->base.grid, px - 1, py);
998: if (gc->flags & GRID_FLAG_UTF8)
999: break;
1000: if (gc->data != ' ')
1001: break;
1002: px--;
1003: }
1004: return (px);
1005: }
1006:
1007: void
1.5 nicm 1008: window_copy_cursor_start_of_line(struct window_pane *wp)
1009: {
1010: struct window_copy_mode_data *data = wp->modedata;
1011:
1.18 nicm 1012: window_copy_update_cursor(wp, 0, data->cy);
1.5 nicm 1013: if (window_copy_update_selection(wp))
1014: window_copy_redraw_lines(wp, data->cy, 1);
1.6 nicm 1015: }
1016:
1017: void
1018: window_copy_cursor_back_to_indentation(struct window_pane *wp)
1019: {
1020: struct window_copy_mode_data *data = wp->modedata;
1021: u_int px, py, xx;
1022: const struct grid_cell *gc;
1023:
1024: px = 0;
1025: py = screen_hsize(&wp->base) + data->cy - data->oy;
1026: xx = window_copy_find_length(wp, py);
1027:
1028: /*
1029: * Don't use window_copy_is_space because that treats some word
1030: * delimiters as spaces.
1031: */
1032: while (px < xx) {
1033: gc = grid_peek_cell(wp->base.grid, px, py);
1034: if (gc->flags & GRID_FLAG_UTF8)
1035: break;
1036: if (gc->data != ' ')
1037: break;
1038: px++;
1039: }
1040:
1.18 nicm 1041: window_copy_update_cursor(wp, px, data->cy);
1042: if (window_copy_update_selection(wp))
1043: window_copy_redraw_lines(wp, data->cy, 1);
1.5 nicm 1044: }
1045:
1046: void
1047: window_copy_cursor_end_of_line(struct window_pane *wp)
1048: {
1049: struct window_copy_mode_data *data = wp->modedata;
1050: u_int px, py;
1051:
1052: py = screen_hsize(&wp->base) + data->cy - data->oy;
1053: px = window_copy_find_length(wp, py);
1054:
1.18 nicm 1055: window_copy_update_cursor(wp, px, data->cy);
1056: if (window_copy_update_selection(wp))
1057: window_copy_redraw_lines(wp, data->cy, 1);
1.5 nicm 1058: }
1059:
1060: void
1.1 nicm 1061: window_copy_cursor_left(struct window_pane *wp)
1062: {
1063: struct window_copy_mode_data *data = wp->modedata;
1064:
1065: if (data->cx == 0) {
1.28 nicm 1066: window_copy_cursor_up(wp, 0);
1.18 nicm 1067: window_copy_cursor_end_of_line(wp);
1.1 nicm 1068: } else {
1.18 nicm 1069: window_copy_update_cursor(wp, data->cx - 1, data->cy);
1.1 nicm 1070: if (window_copy_update_selection(wp))
1071: window_copy_redraw_lines(wp, data->cy, 1);
1072: }
1073: }
1074:
1075: void
1076: window_copy_cursor_right(struct window_pane *wp)
1077: {
1078: struct window_copy_mode_data *data = wp->modedata;
1079: u_int px, py;
1080:
1081: py = screen_hsize(&wp->base) + data->cy - data->oy;
1082: px = window_copy_find_length(wp, py);
1083:
1084: if (data->cx >= px) {
1085: window_copy_cursor_start_of_line(wp);
1.28 nicm 1086: window_copy_cursor_down(wp, 0);
1.1 nicm 1087: } else {
1.18 nicm 1088: window_copy_update_cursor(wp, data->cx + 1, data->cy);
1.1 nicm 1089: if (window_copy_update_selection(wp))
1090: window_copy_redraw_lines(wp, data->cy, 1);
1091: }
1092: }
1093:
1094: void
1.28 nicm 1095: window_copy_cursor_up(struct window_pane *wp, int scroll_only)
1.1 nicm 1096: {
1097: struct window_copy_mode_data *data = wp->modedata;
1.36 nicm 1098: struct screen *s = &data->screen;
1.1 nicm 1099: u_int ox, oy, px, py;
1100:
1101: oy = screen_hsize(&wp->base) + data->cy - data->oy;
1102: ox = window_copy_find_length(wp, oy);
1.25 nicm 1103: if (ox != 0) {
1104: data->lastcx = data->cx;
1105: data->lastsx = ox;
1106: }
1.1 nicm 1107:
1.25 nicm 1108: data->cx = data->lastcx;
1.28 nicm 1109: if (scroll_only || data->cy == 0) {
1.1 nicm 1110: window_copy_scroll_down(wp, 1);
1.36 nicm 1111: if (scroll_only) {
1112: if (data->cy == screen_size_y(s) - 1)
1113: window_copy_redraw_lines(wp, data->cy, 1);
1114: else
1115: window_copy_redraw_lines(wp, data->cy, 2);
1116: }
1.28 nicm 1117: } else {
1.18 nicm 1118: window_copy_update_cursor(wp, data->cx, data->cy - 1);
1.36 nicm 1119: if (window_copy_update_selection(wp)) {
1120: if (data->cy == screen_size_y(s) - 1)
1121: window_copy_redraw_lines(wp, data->cy, 1);
1122: else
1123: window_copy_redraw_lines(wp, data->cy, 2);
1124: }
1.1 nicm 1125: }
1126:
1127: py = screen_hsize(&wp->base) + data->cy - data->oy;
1128: px = window_copy_find_length(wp, py);
1.25 nicm 1129: if (data->cx >= data->lastsx || data->cx > px)
1.1 nicm 1130: window_copy_cursor_end_of_line(wp);
1131: }
1132:
1133: void
1.28 nicm 1134: window_copy_cursor_down(struct window_pane *wp, int scroll_only)
1.1 nicm 1135: {
1136: struct window_copy_mode_data *data = wp->modedata;
1137: struct screen *s = &data->screen;
1138: u_int ox, oy, px, py;
1139:
1140: oy = screen_hsize(&wp->base) + data->cy - data->oy;
1141: ox = window_copy_find_length(wp, oy);
1.25 nicm 1142: if (ox != 0) {
1143: data->lastcx = data->cx;
1144: data->lastsx = ox;
1145: }
1.1 nicm 1146:
1.25 nicm 1147: data->cx = data->lastcx;
1.28 nicm 1148: if (scroll_only || data->cy == screen_size_y(s) - 1) {
1.1 nicm 1149: window_copy_scroll_up(wp, 1);
1.31 nicm 1150: if (scroll_only && data->cy > 0)
1.28 nicm 1151: window_copy_redraw_lines(wp, data->cy - 1, 2);
1152: } else {
1.18 nicm 1153: window_copy_update_cursor(wp, data->cx, data->cy + 1);
1.1 nicm 1154: if (window_copy_update_selection(wp))
1155: window_copy_redraw_lines(wp, data->cy - 1, 2);
1156: }
1157:
1158: py = screen_hsize(&wp->base) + data->cy - data->oy;
1159: px = window_copy_find_length(wp, py);
1.25 nicm 1160: if (data->cx >= data->lastsx || data->cx > px)
1.1 nicm 1161: window_copy_cursor_end_of_line(wp);
1162: }
1163:
1164: void
1165: window_copy_cursor_next_word(struct window_pane *wp)
1.40 ! nicm 1166: {
! 1167: struct window_copy_mode_data *data = wp->modedata;
! 1168: struct screen *base_s = &wp->base;
! 1169: u_int px, py, xx, yy;
! 1170:
! 1171: px = data->cx;
! 1172: py = screen_hsize(base_s) + data->cy - data->oy;
! 1173: xx = window_copy_find_length(wp, py);
! 1174: yy = screen_hsize(base_s) + screen_size_y(base_s) - 1;
! 1175:
! 1176: /* Are we in a word? Skip it! */
! 1177: while (!window_copy_is_space(wp, px, py))
! 1178: px++;
! 1179:
! 1180: /* Find the start of a word. */
! 1181: while (px > xx || window_copy_is_space(wp, px, py)) {
! 1182: /* Past the end of the line? Nothing but spaces. */
! 1183: if (px > xx) {
! 1184: if (py == yy)
! 1185: return;
! 1186: window_copy_cursor_down(wp, 0);
! 1187: px = 0;
! 1188:
! 1189: py = screen_hsize(base_s) + data->cy - data->oy;
! 1190: xx = window_copy_find_length(wp, py);
! 1191: }
! 1192: px++;
! 1193: }
! 1194:
! 1195: window_copy_update_cursor(wp, px, data->cy);
! 1196: if (window_copy_update_selection(wp))
! 1197: window_copy_redraw_lines(wp, data->cy, 1);
! 1198: }
! 1199:
! 1200: void
! 1201: window_copy_cursor_next_word_end(struct window_pane *wp)
1.1 nicm 1202: {
1203: struct window_copy_mode_data *data = wp->modedata;
1.39 nicm 1204: struct screen *base_s = &wp->base;
1205: u_int px, py, xx, yy;
1.1 nicm 1206:
1.18 nicm 1207: px = data->cx;
1.39 nicm 1208: py = screen_hsize(base_s) + data->cy - data->oy;
1.1 nicm 1209: xx = window_copy_find_length(wp, py);
1.39 nicm 1210: yy = screen_hsize(base_s) + screen_size_y(base_s) - 1;
1.1 nicm 1211:
1.39 nicm 1212: /* Are we on spaces? Skip 'em! */
1213: while (px > xx || window_copy_is_space(wp, px, py)) {
1214: /* Nothing but spaces past the end of the line, so move down. */
1215: if (px > xx) {
1216: if (py == yy)
1217: return;
1218: window_copy_cursor_down(wp, 0);
1219: px = 0;
1.1 nicm 1220:
1.39 nicm 1221: py = screen_hsize(base_s) + data->cy - data->oy;
1222: xx = window_copy_find_length(wp, py);
1.1 nicm 1223: }
1.39 nicm 1224: px++;
1225: }
1.1 nicm 1226:
1.39 nicm 1227: /* Find the end of this word. */
1228: while (!window_copy_is_space(wp, px, py))
1.1 nicm 1229: px++;
1.18 nicm 1230:
1231: window_copy_update_cursor(wp, px, data->cy);
1232: if (window_copy_update_selection(wp))
1233: window_copy_redraw_lines(wp, data->cy, 1);
1.1 nicm 1234: }
1235:
1.8 nicm 1236: /* Move to the previous place where a word begins. */
1.1 nicm 1237: void
1238: window_copy_cursor_previous_word(struct window_pane *wp)
1239: {
1240: struct window_copy_mode_data *data = wp->modedata;
1.8 nicm 1241: u_int px, py;
1.1 nicm 1242:
1.18 nicm 1243: px = data->cx;
1.1 nicm 1244: py = screen_hsize(&wp->base) + data->cy - data->oy;
1245:
1.8 nicm 1246: /* Move back to the previous word character. */
1.1 nicm 1247: for (;;) {
1.8 nicm 1248: if (px > 0) {
1249: px--;
1250: if (!window_copy_is_space(wp, px, py))
1.1 nicm 1251: break;
1.8 nicm 1252: } else {
1253: if (data->cy == 0 &&
1254: (screen_hsize(&wp->base) == 0 ||
1255: data->oy >= screen_hsize(&wp->base) - 1))
1256: goto out;
1.28 nicm 1257: window_copy_cursor_up(wp, 0);
1.1 nicm 1258:
1.39 nicm 1259: py = screen_hsize(&wp->base) + data->cy - data->oy;
1.8 nicm 1260: px = window_copy_find_length(wp, py);
1.1 nicm 1261: }
1.8 nicm 1262: }
1.1 nicm 1263:
1.8 nicm 1264: /* Move back to the beginning of this word. */
1265: while (px > 0 && !window_copy_is_space(wp, px - 1, py))
1.1 nicm 1266: px--;
1.8 nicm 1267:
1.1 nicm 1268: out:
1.18 nicm 1269: window_copy_update_cursor(wp, px, data->cy);
1270: if (window_copy_update_selection(wp))
1271: window_copy_redraw_lines(wp, data->cy, 1);
1.1 nicm 1272: }
1273:
1274: void
1275: window_copy_scroll_up(struct window_pane *wp, u_int ny)
1276: {
1277: struct window_copy_mode_data *data = wp->modedata;
1278: struct screen *s = &data->screen;
1279: struct screen_write_ctx ctx;
1280:
1281: if (data->oy < ny)
1282: ny = data->oy;
1283: if (ny == 0)
1284: return;
1285: data->oy -= ny;
1286: window_copy_update_selection(wp);
1287:
1288: screen_write_start(&ctx, wp, NULL);
1289: screen_write_cursormove(&ctx, 0, 0);
1290: screen_write_deleteline(&ctx, ny);
1291: window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
1292: window_copy_write_line(wp, &ctx, 0);
1.31 nicm 1293: if (screen_size_y(s) > 1)
1294: window_copy_write_line(wp, &ctx, 1);
1295: if (screen_size_y(s) > 3)
1296: window_copy_write_line(wp, &ctx, screen_size_y(s) - 2);
1.1 nicm 1297: if (s->sel.flag && screen_size_y(s) > ny)
1298: window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
1299: screen_write_cursormove(&ctx, data->cx, data->cy);
1300: screen_write_stop(&ctx);
1301: }
1302:
1303: void
1304: window_copy_scroll_down(struct window_pane *wp, u_int ny)
1305: {
1306: struct window_copy_mode_data *data = wp->modedata;
1307: struct screen *s = &data->screen;
1308: struct screen_write_ctx ctx;
1309:
1310: if (ny > screen_hsize(&wp->base))
1311: return;
1312:
1313: if (data->oy > screen_hsize(&wp->base) - ny)
1314: ny = screen_hsize(&wp->base) - data->oy;
1315: if (ny == 0)
1316: return;
1317: data->oy += ny;
1318: window_copy_update_selection(wp);
1319:
1320: screen_write_start(&ctx, wp, NULL);
1321: screen_write_cursormove(&ctx, 0, 0);
1322: screen_write_insertline(&ctx, ny);
1323: window_copy_write_lines(wp, &ctx, 0, ny);
1324: if (s->sel.flag && screen_size_y(s) > ny)
1325: window_copy_write_line(wp, &ctx, ny);
1326: else if (ny == 1) /* nuke position */
1327: window_copy_write_line(wp, &ctx, 1);
1328: screen_write_cursormove(&ctx, data->cx, data->cy);
1329: screen_write_stop(&ctx);
1330: }
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