Annotation of src/usr.bin/tmux/window-copy.c, Revision 1.37
1.37 ! nicm 1: /* $OpenBSD: window-copy.c,v 1.36 2010/01/24 21:05:12 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:
495: window_copy_redraw_screen(wp);
496: }
497:
498: int
499: window_copy_search_compare(
500: struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx)
501: {
502: const struct grid_cell *gc, *sgc;
503: const struct grid_utf8 *gu, *sgu;
504:
505: gc = grid_peek_cell(gd, px, py);
506: sgc = grid_peek_cell(sgd, spx, 0);
1.35 nicm 507:
1.21 nicm 508: if ((gc->flags & GRID_FLAG_UTF8) != (sgc->flags & GRID_FLAG_UTF8))
509: return (0);
510:
511: if (gc->flags & GRID_FLAG_UTF8) {
512: gu = grid_peek_utf8(gd, px, py);
513: sgu = grid_peek_utf8(sgd, spx, 0);
1.32 nicm 514: if (grid_utf8_compare(gu, sgu))
1.21 nicm 515: return (1);
516: } else {
517: if (gc->data == sgc->data)
518: return (1);
519: }
520: return (0);
521: }
522:
523: int
524: window_copy_search_lr(struct grid *gd,
525: struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
526: {
527: u_int ax, bx, px;
528:
529: for (ax = first; ax < last; ax++) {
530: if (ax + sgd->sx >= gd->sx)
531: break;
532: for (bx = 0; bx < sgd->sx; bx++) {
533: px = ax + bx;
534: if (!window_copy_search_compare(gd, px, py, sgd, bx))
535: break;
536: }
537: if (bx == sgd->sx) {
538: *ppx = ax;
539: return (1);
540: }
541: }
542: return (0);
543: }
544:
545: int
546: window_copy_search_rl(struct grid *gd,
547: struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
548: {
549: u_int ax, bx, px;
550:
551: for (ax = last + 1; ax > first; ax--) {
1.24 nicm 552: if (gd->sx - (ax - 1) < sgd->sx)
553: continue;
1.21 nicm 554: for (bx = 0; bx < sgd->sx; bx++) {
555: px = ax - 1 + bx;
556: if (!window_copy_search_compare(gd, px, py, sgd, bx))
557: break;
558: }
559: if (bx == sgd->sx) {
560: *ppx = ax - 1;
561: return (1);
562: }
563: }
564: return (0);
565: }
566:
567: void
568: window_copy_search_up(struct window_pane *wp, const char *searchstr)
569: {
570: struct window_copy_mode_data *data = wp->modedata;
571: struct screen *s = &wp->base, ss;
572: struct screen_write_ctx ctx;
573: struct grid *gd = s->grid, *sgd;
574: struct grid_cell gc;
575: size_t searchlen;
576: u_int i, last, fx, fy, px;
577: int utf8flag, n, wrapped;
578:
579: if (*searchstr == '\0')
580: return;
581: utf8flag = options_get_number(&wp->window->options, "utf8");
582: searchlen = screen_write_strlen(utf8flag, "%s", searchstr);
583:
584: screen_init(&ss, searchlen, 1, 0);
585: screen_write_start(&ctx, NULL, &ss);
586: memcpy(&gc, &grid_default_cell, sizeof gc);
587: screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr);
588: screen_write_stop(&ctx);
589:
590: fx = data->cx;
591: fy = gd->hsize - data->oy + data->cy;
592:
593: if (fx == 0) {
594: if (fy == 0)
595: return;
596: fx = gd->sx - 1;
597: fy--;
598: } else
599: fx--;
600: n = wrapped = 0;
601:
602: retry:
603: sgd = ss.grid;
604: for (i = fy + 1; i > 0; i--) {
605: last = screen_size_x(s);
606: if (i == fy + 1)
607: last = fx;
608: n = window_copy_search_rl(gd, sgd, &px, i - 1, 0, last);
609: if (n) {
610: window_copy_scroll_to(wp, px, i - 1);
611: break;
612: }
613: }
614: if (!n && !wrapped) {
615: fx = gd->sx - 1;
616: fy = gd->hsize + gd->sy - 1;
617: wrapped = 1;
618: goto retry;
619: }
620:
621: screen_free(&ss);
622: }
623:
624: void
625: window_copy_search_down(struct window_pane *wp, const char *searchstr)
626: {
627: struct window_copy_mode_data *data = wp->modedata;
628: struct screen *s = &wp->base, ss;
629: struct screen_write_ctx ctx;
630: struct grid *gd = s->grid, *sgd;
631: struct grid_cell gc;
632: size_t searchlen;
633: u_int i, first, fx, fy, px;
634: int utf8flag, n, wrapped;
635:
636: if (*searchstr == '\0')
637: return;
638: utf8flag = options_get_number(&wp->window->options, "utf8");
639: searchlen = screen_write_strlen(utf8flag, "%s", searchstr);
640:
641: screen_init(&ss, searchlen, 1, 0);
642: screen_write_start(&ctx, NULL, &ss);
643: memcpy(&gc, &grid_default_cell, sizeof gc);
644: screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr);
645: screen_write_stop(&ctx);
646:
647: fx = data->cx;
648: fy = gd->hsize - data->oy + data->cy;
649:
650: if (fx == gd->sx - 1) {
651: if (fy == gd->hsize + gd->sy)
652: return;
653: fx = 0;
654: fy++;
655: } else
656: fx++;
657: n = wrapped = 0;
658:
659: retry:
660: sgd = ss.grid;
661: for (i = fy + 1; i < gd->hsize + gd->sy; i++) {
662: first = 0;
663: if (i == fy + 1)
664: first = fx;
665: n = window_copy_search_lr(gd, sgd, &px, i - 1, first, gd->sx);
666: if (n) {
667: window_copy_scroll_to(wp, px, i - 1);
668: break;
669: }
670: }
671: if (!n && !wrapped) {
672: fx = 0;
673: fy = 0;
674: wrapped = 1;
675: goto retry;
676: }
677:
678: screen_free(&ss);
679: }
680:
681: void
682: window_copy_goto_line(struct window_pane *wp, const char *linestr)
683: {
684: struct window_copy_mode_data *data = wp->modedata;
685: const char *errstr;
686: u_int lineno;
687:
688: lineno = strtonum(linestr, 0, screen_hsize(&wp->base), &errstr);
689: if (errstr != NULL)
690: return;
1.35 nicm 691:
1.21 nicm 692: data->oy = lineno;
693: window_copy_redraw_screen(wp);
694: }
695:
696: void
1.18 nicm 697: window_copy_write_line(
698: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
1.1 nicm 699: {
700: struct window_copy_mode_data *data = wp->modedata;
701: struct screen *s = &data->screen;
1.27 nicm 702: struct options *oo = &wp->window->options;
1.1 nicm 703: struct grid_cell gc;
704: char hdr[32];
1.21 nicm 705: size_t last, xoff = 0, size = 0;
706:
707: memcpy(&gc, &grid_default_cell, sizeof gc);
1.27 nicm 708: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
709: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
710: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 711:
1.21 nicm 712: last = screen_size_y(s) - 1;
1.1 nicm 713: if (py == 0) {
714: size = xsnprintf(hdr, sizeof hdr,
1.18 nicm 715: "[%u/%u]", data->oy, screen_hsize(&wp->base));
1.1 nicm 716: screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
717: screen_write_puts(ctx, &gc, "%s", hdr);
1.21 nicm 718: } else if (py == last && data->inputtype != WINDOW_COPY_OFF) {
719: xoff = size = xsnprintf(hdr, sizeof hdr,
720: "%s: %s", data->inputprompt, data->inputstr);
721: screen_write_cursormove(ctx, 0, last);
722: screen_write_puts(ctx, &gc, "%s", hdr);
1.1 nicm 723: } else
724: size = 0;
725:
1.21 nicm 726: screen_write_cursormove(ctx, xoff, py);
727: screen_write_copy(ctx, &wp->base, xoff, (screen_hsize(&wp->base) -
1.1 nicm 728: data->oy) + py, screen_size_x(s) - size, 1);
1.18 nicm 729:
730: if (py == data->cy && data->cx == screen_size_x(s)) {
731: memcpy(&gc, &grid_default_cell, sizeof gc);
732: screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
733: screen_write_putc(ctx, &gc, '$');
734: }
1.1 nicm 735: }
736:
737: void
738: window_copy_write_lines(
739: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py, u_int ny)
740: {
741: u_int yy;
742:
743: for (yy = py; yy < py + ny; yy++)
744: window_copy_write_line(wp, ctx, py);
745: }
746:
747: void
748: window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
749: {
750: struct window_copy_mode_data *data = wp->modedata;
751: struct screen_write_ctx ctx;
752: u_int i;
753:
754: screen_write_start(&ctx, wp, NULL);
755: for (i = py; i < py + ny; i++)
756: window_copy_write_line(wp, &ctx, i);
757: screen_write_cursormove(&ctx, data->cx, data->cy);
758: screen_write_stop(&ctx);
759: }
760:
761: void
762: window_copy_redraw_screen(struct window_pane *wp)
763: {
764: struct window_copy_mode_data *data = wp->modedata;
765:
766: window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
767: }
768:
769: void
1.18 nicm 770: window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
1.1 nicm 771: {
772: struct window_copy_mode_data *data = wp->modedata;
1.18 nicm 773: struct screen *s = &data->screen;
1.1 nicm 774: struct screen_write_ctx ctx;
1.18 nicm 775: u_int old_cx, old_cy;
1.1 nicm 776:
1.18 nicm 777: old_cx = data->cx; old_cy = data->cy;
778: data->cx = cx; data->cy = cy;
779: if (old_cx == screen_size_x(s))
780: window_copy_redraw_lines(wp, old_cy, 1);
781: if (data->cx == screen_size_x(s))
782: window_copy_redraw_lines(wp, data->cy, 1);
783: else {
784: screen_write_start(&ctx, wp, NULL);
785: screen_write_cursormove(&ctx, data->cx, data->cy);
786: screen_write_stop(&ctx);
787: }
1.1 nicm 788: }
789:
790: void
791: window_copy_start_selection(struct window_pane *wp)
792: {
793: struct window_copy_mode_data *data = wp->modedata;
794: struct screen *s = &data->screen;
795:
1.18 nicm 796: data->selx = data->cx;
1.1 nicm 797: data->sely = screen_hsize(&wp->base) + data->cy - data->oy;
798:
799: s->sel.flag = 1;
800: window_copy_update_selection(wp);
801: }
802:
803: int
804: window_copy_update_selection(struct window_pane *wp)
805: {
806: struct window_copy_mode_data *data = wp->modedata;
807: struct screen *s = &data->screen;
1.27 nicm 808: struct options *oo = &wp->window->options;
1.1 nicm 809: struct grid_cell gc;
1.18 nicm 810: u_int sx, sy, ty;
1.1 nicm 811:
812: if (!s->sel.flag)
813: return (0);
814:
815: /* Set colours. */
816: memcpy(&gc, &grid_default_cell, sizeof gc);
1.27 nicm 817: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
818: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
819: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 820:
1.18 nicm 821: /* Find top of screen. */
1.1 nicm 822: ty = screen_hsize(&wp->base) - data->oy;
823:
824: /* Adjust the selection. */
825: sx = data->selx;
826: sy = data->sely;
1.18 nicm 827: if (sy < ty) { /* above screen */
1.1 nicm 828: sx = 0;
829: sy = 0;
1.18 nicm 830: } else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
1.1 nicm 831: sx = screen_size_x(s) - 1;
832: sy = screen_size_y(s) - 1;
1.18 nicm 833: } else
1.1 nicm 834: sy -= ty;
835: sy = screen_hsize(s) + sy;
836:
837: screen_set_selection(
838: s, sx, sy, data->cx, screen_hsize(s) + data->cy, &gc);
839: return (1);
840: }
841:
842: void
843: window_copy_copy_selection(struct window_pane *wp, struct client *c)
844: {
845: struct window_copy_mode_data *data = wp->modedata;
846: struct screen *s = &data->screen;
847: char *buf;
848: size_t off;
849: u_int i, xx, yy, sx, sy, ex, ey, limit;
850:
851: if (!s->sel.flag)
852: return;
853:
854: buf = xmalloc(1);
855: off = 0;
856:
857: *buf = '\0';
858:
859: /*
860: * The selection extends from selx,sely to (adjusted) cx,cy on
861: * the base screen.
862: */
863:
864: /* Find start and end. */
1.18 nicm 865: xx = data->cx;
1.1 nicm 866: yy = screen_hsize(&wp->base) + data->cy - data->oy;
1.2 nicm 867: if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
1.1 nicm 868: sx = xx; sy = yy;
869: ex = data->selx; ey = data->sely;
870: } else {
871: sx = data->selx; sy = data->sely;
872: ex = xx; ey = yy;
873: }
874:
875: /* Trim ex to end of line. */
876: xx = window_copy_find_length(wp, ey);
877: if (ex > xx)
878: ex = xx;
879:
880: /* Copy the lines. */
881: if (sy == ey)
882: window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
883: else {
1.16 nicm 884: xx = screen_size_x(s);
1.1 nicm 885: window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
886: if (ey - sy > 1) {
1.16 nicm 887: for (i = sy + 1; i < ey; i++)
1.1 nicm 888: window_copy_copy_line(wp, &buf, &off, i, 0, xx);
889: }
890: window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
891: }
892:
1.26 nicm 893: /* Don't bother if no data. */
894: if (off == 0) {
895: xfree(buf);
896: return;
897: }
898: off--; /* remove final \n */
1.1 nicm 899:
900: /* Add the buffer to the stack. */
901: limit = options_get_number(&c->session->options, "buffer-limit");
1.26 nicm 902: paste_add(&c->session->buffers, buf, off, limit);
1.1 nicm 903: }
904:
905: void
906: window_copy_copy_line(struct window_pane *wp,
907: char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
908: {
1.16 nicm 909: struct grid *gd = wp->base.grid;
1.35 nicm 910: const struct grid_cell *gc;
911: const struct grid_utf8 *gu;
1.16 nicm 912: struct grid_line *gl;
1.32 nicm 913: u_int i, xx, wrapped = 0;
914: size_t size;
1.1 nicm 915:
916: if (sx > ex)
917: return;
918:
1.16 nicm 919: /*
920: * Work out if the line was wrapped at the screen edge and all of it is
921: * on screen.
922: */
923: gl = &gd->linedata[sy];
1.35 nicm 924: if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
1.16 nicm 925: wrapped = 1;
926:
927: /* If the line was wrapped, don't strip spaces (use the full length). */
928: if (wrapped)
929: xx = gl->cellsize;
930: else
931: xx = window_copy_find_length(wp, sy);
1.1 nicm 932: if (ex > xx)
933: ex = xx;
934: if (sx > xx)
935: sx = xx;
936:
937: if (sx < ex) {
938: for (i = sx; i < ex; i++) {
1.16 nicm 939: gc = grid_peek_cell(gd, i, sy);
1.1 nicm 940: if (gc->flags & GRID_FLAG_PADDING)
941: continue;
942: if (!(gc->flags & GRID_FLAG_UTF8)) {
943: *buf = xrealloc(*buf, 1, (*off) + 1);
944: (*buf)[(*off)++] = gc->data;
945: } else {
1.16 nicm 946: gu = grid_peek_utf8(gd, i, sy);
1.32 nicm 947: size = grid_utf8_size(gu);
948: *buf = xrealloc(*buf, 1, (*off) + size);
949: *off += grid_utf8_copy(gu, *buf + *off, size);
1.1 nicm 950: }
951: }
952: }
953:
1.16 nicm 954: /* Only add a newline if the line wasn't wrapped. */
1.35 nicm 955: if (!wrapped) {
1.16 nicm 956: *buf = xrealloc(*buf, 1, (*off) + 1);
957: (*buf)[(*off)++] = '\n';
958: }
1.1 nicm 959: }
960:
961: int
962: window_copy_is_space(struct window_pane *wp, u_int px, u_int py)
963: {
964: const struct grid_cell *gc;
965: const char *spaces = " -_@";
966:
967: gc = grid_peek_cell(wp->base.grid, px, py);
968: if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8))
969: return (0);
970: if (gc->data == 0x00 || gc->data == 0x7f)
971: return (0);
972: return (strchr(spaces, gc->data) != NULL);
973: }
974:
975: u_int
976: window_copy_find_length(struct window_pane *wp, u_int py)
977: {
978: const struct grid_cell *gc;
979: u_int px;
980:
1.4 nicm 981: /*
982: * If the pane has been resized, its grid can contain old overlong
983: * lines. grid_peek_cell does not allow accessing cells beyond the
984: * width of the grid, and screen_write_copy treats them as spaces, so
985: * ignore them here too.
986: */
1.15 nicm 987: px = wp->base.grid->linedata[py].cellsize;
1.4 nicm 988: if (px > screen_size_x(&wp->base))
989: px = screen_size_x(&wp->base);
1.1 nicm 990: while (px > 0) {
991: gc = grid_peek_cell(wp->base.grid, px - 1, py);
992: if (gc->flags & GRID_FLAG_UTF8)
993: break;
994: if (gc->data != ' ')
995: break;
996: px--;
997: }
998: return (px);
999: }
1000:
1001: void
1.5 nicm 1002: window_copy_cursor_start_of_line(struct window_pane *wp)
1003: {
1004: struct window_copy_mode_data *data = wp->modedata;
1005:
1.18 nicm 1006: window_copy_update_cursor(wp, 0, data->cy);
1.5 nicm 1007: if (window_copy_update_selection(wp))
1008: window_copy_redraw_lines(wp, data->cy, 1);
1.6 nicm 1009: }
1010:
1011: void
1012: window_copy_cursor_back_to_indentation(struct window_pane *wp)
1013: {
1014: struct window_copy_mode_data *data = wp->modedata;
1015: u_int px, py, xx;
1016: const struct grid_cell *gc;
1017:
1018: px = 0;
1019: py = screen_hsize(&wp->base) + data->cy - data->oy;
1020: xx = window_copy_find_length(wp, py);
1021:
1022: /*
1023: * Don't use window_copy_is_space because that treats some word
1024: * delimiters as spaces.
1025: */
1026: while (px < xx) {
1027: gc = grid_peek_cell(wp->base.grid, px, py);
1028: if (gc->flags & GRID_FLAG_UTF8)
1029: break;
1030: if (gc->data != ' ')
1031: break;
1032: px++;
1033: }
1034:
1.18 nicm 1035: window_copy_update_cursor(wp, px, data->cy);
1036: if (window_copy_update_selection(wp))
1037: window_copy_redraw_lines(wp, data->cy, 1);
1.5 nicm 1038: }
1039:
1040: void
1041: window_copy_cursor_end_of_line(struct window_pane *wp)
1042: {
1043: struct window_copy_mode_data *data = wp->modedata;
1044: u_int px, py;
1045:
1046: py = screen_hsize(&wp->base) + data->cy - data->oy;
1047: px = window_copy_find_length(wp, py);
1048:
1.18 nicm 1049: window_copy_update_cursor(wp, px, data->cy);
1050: if (window_copy_update_selection(wp))
1051: window_copy_redraw_lines(wp, data->cy, 1);
1.5 nicm 1052: }
1053:
1054: void
1.1 nicm 1055: window_copy_cursor_left(struct window_pane *wp)
1056: {
1057: struct window_copy_mode_data *data = wp->modedata;
1058:
1059: if (data->cx == 0) {
1.28 nicm 1060: window_copy_cursor_up(wp, 0);
1.18 nicm 1061: window_copy_cursor_end_of_line(wp);
1.1 nicm 1062: } else {
1.18 nicm 1063: window_copy_update_cursor(wp, data->cx - 1, data->cy);
1.1 nicm 1064: if (window_copy_update_selection(wp))
1065: window_copy_redraw_lines(wp, data->cy, 1);
1066: }
1067: }
1068:
1069: void
1070: window_copy_cursor_right(struct window_pane *wp)
1071: {
1072: struct window_copy_mode_data *data = wp->modedata;
1073: u_int px, py;
1074:
1075: py = screen_hsize(&wp->base) + data->cy - data->oy;
1076: px = window_copy_find_length(wp, py);
1077:
1078: if (data->cx >= px) {
1079: window_copy_cursor_start_of_line(wp);
1.28 nicm 1080: window_copy_cursor_down(wp, 0);
1.1 nicm 1081: } else {
1.18 nicm 1082: window_copy_update_cursor(wp, data->cx + 1, data->cy);
1.1 nicm 1083: if (window_copy_update_selection(wp))
1084: window_copy_redraw_lines(wp, data->cy, 1);
1085: }
1086: }
1087:
1088: void
1.28 nicm 1089: window_copy_cursor_up(struct window_pane *wp, int scroll_only)
1.1 nicm 1090: {
1091: struct window_copy_mode_data *data = wp->modedata;
1.36 nicm 1092: struct screen *s = &data->screen;
1.1 nicm 1093: u_int ox, oy, px, py;
1094:
1095: oy = screen_hsize(&wp->base) + data->cy - data->oy;
1096: ox = window_copy_find_length(wp, oy);
1.25 nicm 1097: if (ox != 0) {
1098: data->lastcx = data->cx;
1099: data->lastsx = ox;
1100: }
1.1 nicm 1101:
1.25 nicm 1102: data->cx = data->lastcx;
1.28 nicm 1103: if (scroll_only || data->cy == 0) {
1.1 nicm 1104: window_copy_scroll_down(wp, 1);
1.36 nicm 1105: if (scroll_only) {
1106: if (data->cy == screen_size_y(s) - 1)
1107: window_copy_redraw_lines(wp, data->cy, 1);
1108: else
1109: window_copy_redraw_lines(wp, data->cy, 2);
1110: }
1.28 nicm 1111: } else {
1.18 nicm 1112: window_copy_update_cursor(wp, data->cx, data->cy - 1);
1.36 nicm 1113: if (window_copy_update_selection(wp)) {
1114: if (data->cy == screen_size_y(s) - 1)
1115: window_copy_redraw_lines(wp, data->cy, 1);
1116: else
1117: window_copy_redraw_lines(wp, data->cy, 2);
1118: }
1.1 nicm 1119: }
1120:
1121: py = screen_hsize(&wp->base) + data->cy - data->oy;
1122: px = window_copy_find_length(wp, py);
1.25 nicm 1123: if (data->cx >= data->lastsx || data->cx > px)
1.1 nicm 1124: window_copy_cursor_end_of_line(wp);
1125: }
1126:
1127: void
1.28 nicm 1128: window_copy_cursor_down(struct window_pane *wp, int scroll_only)
1.1 nicm 1129: {
1130: struct window_copy_mode_data *data = wp->modedata;
1131: struct screen *s = &data->screen;
1132: u_int ox, oy, px, py;
1133:
1134: oy = screen_hsize(&wp->base) + data->cy - data->oy;
1135: ox = window_copy_find_length(wp, oy);
1.25 nicm 1136: if (ox != 0) {
1137: data->lastcx = data->cx;
1138: data->lastsx = ox;
1139: }
1.1 nicm 1140:
1.25 nicm 1141: data->cx = data->lastcx;
1.28 nicm 1142: if (scroll_only || data->cy == screen_size_y(s) - 1) {
1.1 nicm 1143: window_copy_scroll_up(wp, 1);
1.31 nicm 1144: if (scroll_only && data->cy > 0)
1.28 nicm 1145: window_copy_redraw_lines(wp, data->cy - 1, 2);
1146: } else {
1.18 nicm 1147: window_copy_update_cursor(wp, data->cx, data->cy + 1);
1.1 nicm 1148: if (window_copy_update_selection(wp))
1149: window_copy_redraw_lines(wp, data->cy - 1, 2);
1150: }
1151:
1152: py = screen_hsize(&wp->base) + data->cy - data->oy;
1153: px = window_copy_find_length(wp, py);
1.25 nicm 1154: if (data->cx >= data->lastsx || data->cx > px)
1.1 nicm 1155: window_copy_cursor_end_of_line(wp);
1156: }
1157:
1158: void
1159: window_copy_cursor_next_word(struct window_pane *wp)
1160: {
1161: struct window_copy_mode_data *data = wp->modedata;
1162: struct screen *s = &data->screen;
1163: u_int px, py, xx, skip;
1164:
1.18 nicm 1165: px = data->cx;
1.1 nicm 1166: py = screen_hsize(&wp->base) + data->cy - data->oy;
1167: xx = window_copy_find_length(wp, py);
1168:
1169: skip = 1;
1170: if (px < xx) {
1171: /* If currently on a space, skip space. */
1172: if (window_copy_is_space(wp, px, py))
1173: skip = 0;
1174: } else
1175: skip = 0;
1176: for (;;) {
1177: if (px >= xx) {
1178: if (skip) {
1179: px = xx;
1180: break;
1181: }
1182:
1183: while (px >= xx) {
1184: if (data->cy == screen_size_y(s) - 1) {
1185: if (data->oy == 0)
1186: goto out;
1187: }
1188:
1189: px = 0;
1.28 nicm 1190: window_copy_cursor_down(wp, 0);
1.1 nicm 1191:
1192: py =screen_hsize(
1193: &wp->base) + data->cy - data->oy;
1194: xx = window_copy_find_length(wp, py);
1195: }
1196: }
1197:
1198: if (skip) {
1199: /* Currently skipping non-space (until space). */
1200: if (window_copy_is_space(wp, px, py))
1201: break;
1202: } else {
1203: /* Currently skipping space (until non-space). */
1204: if (!window_copy_is_space(wp, px, py))
1205: skip = 1;
1206: }
1207:
1208: px++;
1209: }
1.18 nicm 1210:
1.1 nicm 1211: out:
1.18 nicm 1212: window_copy_update_cursor(wp, px, data->cy);
1213: if (window_copy_update_selection(wp))
1214: window_copy_redraw_lines(wp, data->cy, 1);
1.1 nicm 1215: }
1216:
1.8 nicm 1217: /* Move to the previous place where a word begins. */
1.1 nicm 1218: void
1219: window_copy_cursor_previous_word(struct window_pane *wp)
1220: {
1221: struct window_copy_mode_data *data = wp->modedata;
1.8 nicm 1222: u_int px, py;
1.1 nicm 1223:
1.18 nicm 1224: px = data->cx;
1.1 nicm 1225: py = screen_hsize(&wp->base) + data->cy - data->oy;
1226:
1.8 nicm 1227: /* Move back to the previous word character. */
1.1 nicm 1228: for (;;) {
1.8 nicm 1229: if (px > 0) {
1230: px--;
1231: if (!window_copy_is_space(wp, px, py))
1.1 nicm 1232: break;
1.8 nicm 1233: } else {
1234: if (data->cy == 0 &&
1235: (screen_hsize(&wp->base) == 0 ||
1236: data->oy >= screen_hsize(&wp->base) - 1))
1237: goto out;
1.28 nicm 1238: window_copy_cursor_up(wp, 0);
1.1 nicm 1239:
1.8 nicm 1240: py = screen_hsize(
1241: &wp->base) + data->cy - data->oy;
1242: px = window_copy_find_length(wp, py);
1.1 nicm 1243: }
1.8 nicm 1244: }
1.1 nicm 1245:
1.8 nicm 1246: /* Move back to the beginning of this word. */
1247: while (px > 0 && !window_copy_is_space(wp, px - 1, py))
1.1 nicm 1248: px--;
1.8 nicm 1249:
1.1 nicm 1250: out:
1.18 nicm 1251: window_copy_update_cursor(wp, px, data->cy);
1252: if (window_copy_update_selection(wp))
1253: window_copy_redraw_lines(wp, data->cy, 1);
1.1 nicm 1254: }
1255:
1256: void
1257: window_copy_scroll_up(struct window_pane *wp, u_int ny)
1258: {
1259: struct window_copy_mode_data *data = wp->modedata;
1260: struct screen *s = &data->screen;
1261: struct screen_write_ctx ctx;
1262:
1263: if (data->oy < ny)
1264: ny = data->oy;
1265: if (ny == 0)
1266: return;
1267: data->oy -= ny;
1268: window_copy_update_selection(wp);
1269:
1270: screen_write_start(&ctx, wp, NULL);
1271: screen_write_cursormove(&ctx, 0, 0);
1272: screen_write_deleteline(&ctx, ny);
1273: window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
1274: window_copy_write_line(wp, &ctx, 0);
1.31 nicm 1275: if (screen_size_y(s) > 1)
1276: window_copy_write_line(wp, &ctx, 1);
1277: if (screen_size_y(s) > 3)
1278: window_copy_write_line(wp, &ctx, screen_size_y(s) - 2);
1.1 nicm 1279: if (s->sel.flag && screen_size_y(s) > ny)
1280: window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
1281: screen_write_cursormove(&ctx, data->cx, data->cy);
1282: screen_write_stop(&ctx);
1283: }
1284:
1285: void
1286: window_copy_scroll_down(struct window_pane *wp, u_int ny)
1287: {
1288: struct window_copy_mode_data *data = wp->modedata;
1289: struct screen *s = &data->screen;
1290: struct screen_write_ctx ctx;
1291:
1292: if (ny > screen_hsize(&wp->base))
1293: return;
1294:
1295: if (data->oy > screen_hsize(&wp->base) - ny)
1296: ny = screen_hsize(&wp->base) - data->oy;
1297: if (ny == 0)
1298: return;
1299: data->oy += ny;
1300: window_copy_update_selection(wp);
1301:
1302: screen_write_start(&ctx, wp, NULL);
1303: screen_write_cursormove(&ctx, 0, 0);
1304: screen_write_insertline(&ctx, ny);
1305: window_copy_write_lines(wp, &ctx, 0, ny);
1306: if (s->sel.flag && screen_size_y(s) > ny)
1307: window_copy_write_line(wp, &ctx, ny);
1308: else if (ny == 1) /* nuke position */
1309: window_copy_write_line(wp, &ctx, 1);
1310: screen_write_cursormove(&ctx, data->cx, data->cy);
1311: screen_write_stop(&ctx);
1312: }
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