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