1 |
/*--------------------------------*-C-*--------------------------------------* |
2 |
* File: screen.C |
3 |
*---------------------------------------------------------------------------* |
4 |
* |
5 |
* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> |
6 |
* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
7 |
* |
8 |
* This program is free software; you can redistribute it and/or modify |
9 |
* it under the terms of the GNU General Public License as published by |
10 |
* the Free Software Foundation; either version 2 of the License, or |
11 |
* (at your option) any later version. |
12 |
* |
13 |
* This program is distributed in the hope that it will be useful, |
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
* GNU General Public License for more details. |
17 |
* |
18 |
* You should have received a copy of the GNU General Public License |
19 |
* along with this program; if not, write to the Free Software |
20 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 |
*--------------------------------------------------------------------------*/ |
22 |
|
23 |
/* |
24 |
* This file handles _all_ screen updates and selections |
25 |
*/ |
26 |
|
27 |
#include "../config.h" /* NECESSARY */ |
28 |
#include "rxvt.h" /* NECESSARY */ |
29 |
|
30 |
#include <X11/Xmd.h> /* get the typedef for CARD32 */ |
31 |
|
32 |
#include <inttypes.h> |
33 |
|
34 |
#include "salloc.C" // HACK, should be a seperate compile! |
35 |
|
36 |
inline void fill_text (text_t *start, text_t value, int len) |
37 |
{ |
38 |
while (len--) |
39 |
*start++ = value; |
40 |
} |
41 |
|
42 |
/* ------------------------------------------------------------------------- */ |
43 |
#define PROP_SIZE 256*1024 |
44 |
#define PASTE_SIZE 32768 |
45 |
#define TABSIZE 8 /* default tab size */ |
46 |
|
47 |
/* ------------------------------------------------------------------------- * |
48 |
* GENERAL SCREEN AND SELECTION UPDATE ROUTINES * |
49 |
* ------------------------------------------------------------------------- */ |
50 |
#define ZERO_SCROLLBACK() \ |
51 |
if (options & Opt_scrollTtyOutput) \ |
52 |
view_start = 0 |
53 |
#define CLEAR_SELECTION() \ |
54 |
selection.beg.row = selection.beg.col \ |
55 |
= selection.end.row = selection.end.col = 0 |
56 |
#define CLEAR_ALL_SELECTION() \ |
57 |
selection.beg.row = selection.beg.col \ |
58 |
= selection.mark.row = selection.mark.col \ |
59 |
= selection.end.row = selection.end.col = 0 |
60 |
|
61 |
#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ |
62 |
(((A) > (C)) || (((A) == (C)) && ((B) > (D)))) |
63 |
#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ |
64 |
(((A) < (C)) || (((A) == (C)) && ((B) < (D)))) |
65 |
#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ |
66 |
(((A) == (C)) && ((B) > (D))) |
67 |
#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ |
68 |
(((A) == (C)) && ((B) >= (D))) |
69 |
#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ |
70 |
(((A) == (C)) && ((B) < (D))) |
71 |
#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ |
72 |
(((A) == (C)) && ((B) <= (D))) |
73 |
|
74 |
/* these must be row_col_t */ |
75 |
#define ROWCOL_IS_AFTER(X, Y) \ |
76 |
ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
77 |
#define ROWCOL_IS_BEFORE(X, Y) \ |
78 |
ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
79 |
#define ROWCOL_IN_ROW_AFTER(X, Y) \ |
80 |
ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
81 |
#define ROWCOL_IN_ROW_BEFORE(X, Y) \ |
82 |
ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
83 |
#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ |
84 |
ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
85 |
#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ |
86 |
ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
87 |
|
88 |
/* |
89 |
* CLEAR_ROWS : clear <num> rows starting from row <row> |
90 |
* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> |
91 |
* ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour |
92 |
*/ |
93 |
#define drawBuffer vt |
94 |
|
95 |
#define CLEAR_ROWS(row, num) \ |
96 |
if (mapped) \ |
97 |
XClearArea (display->display, drawBuffer, 0, \ |
98 |
Row2Pixel (row), (unsigned int)width, \ |
99 |
(unsigned int)Height2Pixel (num), False) |
100 |
|
101 |
#define CLEAR_CHARS(x, y, num) \ |
102 |
if (mapped) \ |
103 |
XClearArea (display->display, drawBuffer, x, y, \ |
104 |
(unsigned int)Width2Pixel (num), \ |
105 |
(unsigned int)Height2Pixel (1), False) |
106 |
|
107 |
#define ERASE_ROWS(row, num) \ |
108 |
XFillRectangle (display->display, drawBuffer, gc, \ |
109 |
0, Row2Pixel (row), \ |
110 |
(unsigned int)width, \ |
111 |
(unsigned int)Height2Pixel (num)) |
112 |
|
113 |
/* ------------------------------------------------------------------------- * |
114 |
* SCREEN `COMMON' ROUTINES * |
115 |
* ------------------------------------------------------------------------- */ |
116 |
|
117 |
/* Fill part/all of a line with blanks. */ |
118 |
void |
119 |
rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) |
120 |
{ |
121 |
if (!l.t) |
122 |
{ |
123 |
lalloc (l); |
124 |
col = 0; |
125 |
width = ncol; |
126 |
} |
127 |
|
128 |
efs &= ~RS_baseattrMask; |
129 |
efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); |
130 |
|
131 |
text_t *et = l.t + col; |
132 |
rend_t *er = l.r + col; |
133 |
|
134 |
while (width--) |
135 |
{ |
136 |
*et++ = ' '; |
137 |
*er++ = efs; |
138 |
} |
139 |
} |
140 |
|
141 |
/* ------------------------------------------------------------------------- */ |
142 |
/* Fill a full line with blanks - make sure it is allocated first */ |
143 |
void |
144 |
rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) |
145 |
{ |
146 |
scr_blank_line (l, 0, ncol, efs); |
147 |
} |
148 |
|
149 |
/* ------------------------------------------------------------------------- * |
150 |
* SCREEN INITIALISATION * |
151 |
* ------------------------------------------------------------------------- */ |
152 |
|
153 |
void |
154 |
rxvt_term::scr_reset () |
155 |
{ |
156 |
#if ENABLE_OVERLAY |
157 |
scr_overlay_off (); |
158 |
#endif |
159 |
|
160 |
view_start = 0; |
161 |
num_scr = 0; |
162 |
|
163 |
if (ncol == 0) |
164 |
ncol = 80; |
165 |
|
166 |
if (nrow == 0) |
167 |
nrow = 24; |
168 |
|
169 |
if (ncol == prev_ncol && nrow == prev_nrow) |
170 |
return; |
171 |
|
172 |
// we need at least two lines for wrapping to work correctly |
173 |
if (nrow + saveLines < 2) |
174 |
{ |
175 |
//TODO//FIXME |
176 |
saveLines++; |
177 |
prev_nrow--; |
178 |
nsaved++; |
179 |
} |
180 |
|
181 |
want_refresh = 1; |
182 |
|
183 |
int prev_total_rows = prev_nrow + saveLines; |
184 |
total_rows = nrow + saveLines; |
185 |
|
186 |
screen.tscroll = 0; |
187 |
screen.bscroll = nrow - 1; |
188 |
|
189 |
if (!row_buf) |
190 |
{ |
191 |
/* |
192 |
* first time called so just malloc everything: don't rely on realloc |
193 |
* Note: this is still needed so that all the scrollback lines are NULL |
194 |
*/ |
195 |
nsaved = 0; /* no saved lines */ |
196 |
term_start = 0; |
197 |
|
198 |
talloc = new rxvt_salloc (ncol * sizeof (text_t)); |
199 |
ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); |
200 |
|
201 |
row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); |
202 |
temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); |
203 |
drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); |
204 |
swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); |
205 |
|
206 |
for (int row = nrow; row--; ) |
207 |
{ |
208 |
scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); |
209 |
scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); |
210 |
scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); |
211 |
} |
212 |
|
213 |
memset (charsets, 'B', sizeof (charsets)); |
214 |
rstyle = DEFAULT_RSTYLE; |
215 |
screen.flags = Screen_DefaultFlags; |
216 |
screen.cur.row = screen.cur.col = 0; |
217 |
screen.charset = 0; |
218 |
current_screen = PRIMARY; |
219 |
scr_cursor (SAVE); |
220 |
|
221 |
#if NSCREENS |
222 |
swap.flags = Screen_DefaultFlags; |
223 |
swap.cur.row = swap.cur.col = 0; |
224 |
swap.charset = 0; |
225 |
current_screen = SECONDARY; |
226 |
scr_cursor (SAVE); |
227 |
current_screen = PRIMARY; |
228 |
#endif |
229 |
|
230 |
selection.text = NULL; |
231 |
selection.len = 0; |
232 |
selection.op = SELECTION_CLEAR; |
233 |
selection.screen = PRIMARY; |
234 |
selection.clicks = 0; |
235 |
CLEAR_ALL_SELECTION (); |
236 |
rvideo = 0; |
237 |
} |
238 |
else |
239 |
{ |
240 |
/* |
241 |
* add or delete rows as appropriate |
242 |
*/ |
243 |
|
244 |
printf ("resize %d:%d => %d:%d\n", prev_nrow, prev_ncol, nrow, ncol);//D |
245 |
|
246 |
rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); |
247 |
rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); |
248 |
|
249 |
#if 0 |
250 |
if (nrow < prev_nrow) |
251 |
{ |
252 |
for (int row = nrow; row < prev_nrow; row++) |
253 |
{ |
254 |
lfree (swap_buf [row]); |
255 |
lfree (drawn_buf[row]); |
256 |
} |
257 |
} |
258 |
#endif |
259 |
|
260 |
drawn_buf = (line_t *) rxvt_realloc (drawn_buf, nrow * sizeof (line_t)); |
261 |
temp_buf = (line_t *) rxvt_realloc (temp_buf , nrow * sizeof (line_t)); |
262 |
swap_buf = (line_t *) rxvt_realloc (swap_buf , nrow * sizeof (line_t)); |
263 |
|
264 |
for (int row = min (nrow, prev_nrow); row--; ) |
265 |
{ |
266 |
lresize (drawn_buf[row]); |
267 |
lresize (swap_buf [row]); |
268 |
} |
269 |
|
270 |
for (int row = prev_nrow; row < nrow; row++) |
271 |
{ |
272 |
swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); |
273 |
drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); |
274 |
} |
275 |
|
276 |
line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); |
277 |
|
278 |
// re-wrap lines, this is rather ugly, possibly because I am too dumb |
279 |
// to come up with a lean and mean algorithm. |
280 |
|
281 |
int p = MOD (term_start + nrow , prev_total_rows); // previous row |
282 |
int pend = MOD (term_start - nsaved, prev_total_rows); |
283 |
int q = total_rows; // rewrapped row |
284 |
|
285 |
while (p != pend && q > 0) |
286 |
{ |
287 |
p = MOD (p - 1, prev_total_rows); |
288 |
|
289 |
assert (old_buf [MOD (p, prev_total_rows)].t); |
290 |
assert (!old_buf [MOD (p, prev_total_rows)].is_longer ()); |
291 |
|
292 |
int llen = old_buf [MOD (p, prev_total_rows)].l; |
293 |
|
294 |
while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) |
295 |
{ |
296 |
p = MOD (p - 1, prev_total_rows); |
297 |
|
298 |
llen += prev_ncol; |
299 |
} |
300 |
|
301 |
int qlines = llen / ncol + 1; |
302 |
int lofs = 0; |
303 |
|
304 |
q -= qlines; |
305 |
|
306 |
int qrow = q; |
307 |
|
308 |
for (; qlines--; qrow++) |
309 |
{ |
310 |
if (qrow >= 0) |
311 |
{ |
312 |
line_t &qline = row_buf [qrow]; |
313 |
|
314 |
lalloc (qline); |
315 |
qline.set_is_longer (); |
316 |
|
317 |
int qcol = 0; |
318 |
|
319 |
for (;;) |
320 |
{ |
321 |
int prow = lofs / prev_ncol + p; |
322 |
int pcol = lofs % prev_ncol; |
323 |
|
324 |
line_t &pline = old_buf [p]; |
325 |
|
326 |
int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); |
327 |
|
328 |
printf ("q %d lofs %d>%d len %d pq %d:%d p %d:%d q :%d\n", q, llen, lofs, len, prev_ncol, ncol, prow, pcol, qcol); |
329 |
|
330 |
if (len <= 0) |
331 |
{ |
332 |
qline.l = qcol; |
333 |
scr_blank_line (qline, qcol, ncol - qcol, DEFAULT_RSTYLE); |
334 |
break; |
335 |
} |
336 |
|
337 |
assert (lofs < 1000); |
338 |
|
339 |
memcpy (qline.t + qcol, pline.t + pcol, len * sizeof (text_t)); |
340 |
memcpy (qline.r + qcol, pline.r + pcol, len * sizeof (rend_t)); |
341 |
|
342 |
lofs += len; |
343 |
qcol += len; |
344 |
|
345 |
if (qcol == ncol) |
346 |
break; |
347 |
} |
348 |
} |
349 |
else |
350 |
lofs += ncol; |
351 |
} |
352 |
} |
353 |
|
354 |
free (old_buf); |
355 |
delete old_ta; |
356 |
delete old_ra; |
357 |
|
358 |
min_it (screen.cur.row, nrow - 1); |
359 |
min_it (screen.cur.col, ncol - 1); |
360 |
|
361 |
if (tabs) |
362 |
free (tabs); |
363 |
} |
364 |
|
365 |
prev_nrow = nrow; |
366 |
prev_ncol = ncol; |
367 |
|
368 |
tabs = (char *)rxvt_malloc (ncol * sizeof (char)); |
369 |
|
370 |
for (int col = ncol; col--; ) |
371 |
tabs [col] = col % TABSIZE == 0; |
372 |
|
373 |
tt_winch (); |
374 |
} |
375 |
|
376 |
/* ------------------------------------------------------------------------- */ |
377 |
/* |
378 |
* Free everything. That way malloc debugging can find leakage. |
379 |
*/ |
380 |
void |
381 |
rxvt_term::scr_release () |
382 |
{ |
383 |
delete talloc; talloc = 0; |
384 |
delete ralloc; ralloc = 0; |
385 |
|
386 |
free (row_buf); |
387 |
free (swap_buf); |
388 |
free (drawn_buf); |
389 |
free (temp_buf); |
390 |
free (tabs); |
391 |
} |
392 |
|
393 |
/* ------------------------------------------------------------------------- */ |
394 |
/* |
395 |
* Hard reset |
396 |
*/ |
397 |
void |
398 |
rxvt_term::scr_poweron () |
399 |
{ |
400 |
scr_release (); |
401 |
prev_nrow = prev_ncol = 0; |
402 |
scr_reset (); |
403 |
|
404 |
scr_clear (true); |
405 |
scr_refresh (SLOW_REFRESH); |
406 |
} |
407 |
|
408 |
/* ------------------------------------------------------------------------- * |
409 |
* PROCESS SCREEN COMMANDS * |
410 |
* ------------------------------------------------------------------------- */ |
411 |
/* |
412 |
* Save and Restore cursor |
413 |
* XTERM_SEQ: Save cursor : ESC 7 |
414 |
* XTERM_SEQ: Restore cursor: ESC 8 |
415 |
*/ |
416 |
void |
417 |
rxvt_term::scr_cursor (int mode) |
418 |
{ |
419 |
screen_t *s; |
420 |
|
421 |
#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) |
422 |
if (current_screen == SECONDARY) |
423 |
s = &swap; |
424 |
else |
425 |
#endif |
426 |
s = &screen; |
427 |
|
428 |
switch (mode) |
429 |
{ |
430 |
case SAVE: |
431 |
s->s_cur.row = screen.cur.row; |
432 |
s->s_cur.col = screen.cur.col; |
433 |
s->s_rstyle = rstyle; |
434 |
s->s_charset = screen.charset; |
435 |
s->s_charset_char = charsets[screen.charset]; |
436 |
break; |
437 |
|
438 |
case RESTORE: |
439 |
want_refresh = 1; |
440 |
screen.cur.row = s->s_cur.row; |
441 |
screen.cur.col = s->s_cur.col; |
442 |
screen.flags &= ~Screen_WrapNext; |
443 |
rstyle = s->s_rstyle; |
444 |
screen.charset = s->s_charset; |
445 |
charsets[screen.charset] = s->s_charset_char; |
446 |
set_font_style (); |
447 |
break; |
448 |
} |
449 |
|
450 |
/* boundary check in case screen size changed between SAVE and RESTORE */ |
451 |
min_it (s->cur.row, nrow - 1); |
452 |
min_it (s->cur.col, ncol - 1); |
453 |
#ifdef DEBUG_STRICT |
454 |
assert (s->cur.row >= 0); |
455 |
assert (s->cur.col >= 0); |
456 |
#else /* drive with your eyes closed */ |
457 |
max_it (s->cur.row, 0); |
458 |
max_it (s->cur.col, 0); |
459 |
#endif |
460 |
} |
461 |
|
462 |
/* ------------------------------------------------------------------------- */ |
463 |
/* |
464 |
* Swap between primary and secondary screens |
465 |
* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h |
466 |
* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l |
467 |
*/ |
468 |
int |
469 |
rxvt_term::scr_change_screen (int scrn) |
470 |
{ |
471 |
want_refresh = 1; |
472 |
view_start = 0; |
473 |
|
474 |
if (current_screen == scrn) |
475 |
return scrn; |
476 |
|
477 |
selection_check (2); /* check for boundary cross */ |
478 |
|
479 |
int i = current_screen; current_screen = scrn; scrn = i; |
480 |
|
481 |
::swap (screen.cur.row, swap.cur.row); |
482 |
::swap (screen.cur.col, swap.cur.col); |
483 |
|
484 |
screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1); |
485 |
screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1); |
486 |
|
487 |
#if NSCREENS |
488 |
if (options & Opt_secondaryScreen) |
489 |
{ |
490 |
num_scr = 0; |
491 |
|
492 |
for (int i = nrow; i--; ) |
493 |
::swap (ROW(i), swap_buf [i]); |
494 |
|
495 |
::swap (screen.charset, swap.charset); |
496 |
::swap (screen.flags, swap.flags); |
497 |
screen.flags |= Screen_VisibleCursor; |
498 |
swap.flags |= Screen_VisibleCursor; |
499 |
} |
500 |
else |
501 |
#endif |
502 |
if (options & Opt_secondaryScroll) |
503 |
scr_scroll_text (0, prev_nrow - 1, prev_nrow); |
504 |
|
505 |
return scrn; |
506 |
} |
507 |
|
508 |
// clear WrapNext indicator, solidifying position on next line |
509 |
void |
510 |
rxvt_term::scr_do_wrap () |
511 |
{ |
512 |
if (!(screen.flags & Screen_WrapNext)) |
513 |
return; |
514 |
|
515 |
screen.flags &= ~Screen_WrapNext; |
516 |
|
517 |
screen.cur.col = 0; |
518 |
|
519 |
if (screen.cur.row == screen.bscroll) |
520 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1); |
521 |
else if (screen.cur.row < nrow - 1) |
522 |
screen.cur.row++; |
523 |
} |
524 |
|
525 |
/* ------------------------------------------------------------------------- */ |
526 |
/* |
527 |
* Change the colour for following text |
528 |
*/ |
529 |
void |
530 |
rxvt_term::scr_color (unsigned int color, int fgbg) |
531 |
{ |
532 |
if (color > maxTermCOLOR) |
533 |
color = fgbg; |
534 |
|
535 |
if (fgbg == Color_fg) |
536 |
rstyle = SET_FGCOLOR (rstyle, color); |
537 |
else |
538 |
rstyle = SET_BGCOLOR (rstyle, color); |
539 |
} |
540 |
|
541 |
/* ------------------------------------------------------------------------- */ |
542 |
/* |
543 |
* Change the rendition style for following text |
544 |
*/ |
545 |
void |
546 |
rxvt_term::scr_rendition (int set, int style) |
547 |
{ |
548 |
if (set) |
549 |
rstyle |= style; |
550 |
else if (style == ~RS_None) |
551 |
rstyle = DEFAULT_RSTYLE; |
552 |
else |
553 |
rstyle &= ~style; |
554 |
} |
555 |
|
556 |
/* ------------------------------------------------------------------------- */ |
557 |
/* |
558 |
* Scroll text between <row1> and <row2> inclusive, by <count> lines |
559 |
* count positive ==> scroll up |
560 |
* count negative ==> scroll down |
561 |
*/ |
562 |
int |
563 |
rxvt_term::scr_scroll_text (int row1, int row2, int count) |
564 |
{ |
565 |
if (count == 0 || (row1 > row2)) |
566 |
return 0; |
567 |
|
568 |
want_refresh = 1; |
569 |
num_scr += count; |
570 |
|
571 |
if (count > 0 |
572 |
&& row1 == 0 |
573 |
&& row2 == nrow - 1 |
574 |
&& (current_screen == PRIMARY || options & Opt_secondaryScroll)) |
575 |
{ |
576 |
nsaved = min (nsaved + count, saveLines); |
577 |
term_start = (term_start + count) % total_rows; |
578 |
|
579 |
if (selection.op && current_screen == selection.screen) |
580 |
{ |
581 |
selection.beg.row -= count; |
582 |
selection.end.row -= count; |
583 |
selection.mark.row -= count; |
584 |
|
585 |
selection_check (0); |
586 |
} |
587 |
|
588 |
for (int i = count; i--; ) |
589 |
scr_blank_screen_mem (ROW(row2 - i), rstyle); |
590 |
|
591 |
if ((options & Opt_scrollWithBuffer) |
592 |
&& view_start != 0 |
593 |
&& view_start != saveLines) |
594 |
scr_page (UP, count); |
595 |
} |
596 |
else |
597 |
{ |
598 |
if (selection.op && current_screen == selection.screen) |
599 |
{ |
600 |
int i = selection.beg.row; |
601 |
int j = selection.end.row; |
602 |
|
603 |
if ((i < row1 && j > row1) |
604 |
|| (i < row2 && j > row2) |
605 |
|| (i - count < row1 && i >= row1) |
606 |
|| (i - count > row2 && i <= row2) |
607 |
|| (j - count < row1 && j >= row1) |
608 |
|| (j - count > row2 && j <= row2)) |
609 |
{ |
610 |
CLEAR_ALL_SELECTION (); |
611 |
selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ |
612 |
} |
613 |
else if (j >= row1 && j <= row2) |
614 |
{ |
615 |
/* move selected region too */ |
616 |
selection.beg.row -= count; |
617 |
selection.end.row -= count; |
618 |
selection.mark.row -= count; |
619 |
|
620 |
selection_check (0); |
621 |
} |
622 |
} |
623 |
|
624 |
// use a simple and robust scrolling algorithm, this |
625 |
// part of scr_scroll_text is not time-critical. |
626 |
|
627 |
int rows = row2 - row1 + 1; |
628 |
|
629 |
min_it (count, rows); |
630 |
|
631 |
for (int row = 0; row < rows; row++) |
632 |
{ |
633 |
temp_buf [row] = ROW(row1 + (row + count + rows) % rows); |
634 |
|
635 |
if (!IN_RANGE_EXC (row + count, 0, rows)) |
636 |
scr_blank_screen_mem (temp_buf [row], rstyle); |
637 |
} |
638 |
|
639 |
for (int row = 0; row < rows; row++) |
640 |
ROW(row1 + row) = temp_buf [row]; |
641 |
} |
642 |
|
643 |
return count; |
644 |
} |
645 |
|
646 |
/* ------------------------------------------------------------------------- */ |
647 |
/* |
648 |
* Add text given in <str> of length <len> to screen struct |
649 |
*/ |
650 |
void |
651 |
rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) |
652 |
{ |
653 |
if (len <= 0) /* sanity */ |
654 |
return; |
655 |
|
656 |
unsigned char checksel; |
657 |
unicode_t c; |
658 |
int row, last_col; |
659 |
const unicode_t *strend = str + len; |
660 |
|
661 |
want_refresh = 1; |
662 |
ZERO_SCROLLBACK (); |
663 |
last_col = ncol; |
664 |
|
665 |
if (nlines > 0) |
666 |
{ |
667 |
nlines += screen.cur.row - screen.bscroll; |
668 |
if (nlines > 0 |
669 |
&& screen.tscroll == 0 |
670 |
&& screen.bscroll == (nrow - 1)) |
671 |
{ |
672 |
/* _at least_ this many lines need to be scrolled */ |
673 |
scr_scroll_text (screen.tscroll, screen.bscroll, nlines); |
674 |
screen.cur.row -= nlines; |
675 |
} |
676 |
} |
677 |
|
678 |
#ifdef DEBUG_STRICT |
679 |
assert (screen.cur.col < last_col); |
680 |
assert (screen.cur.row < nrow |
681 |
&& screen.cur.row >= -nsaved); |
682 |
#else /* drive with your eyes closed */ |
683 |
min_it (screen.cur.col, last_col - 1); |
684 |
clamp_it (screen.cur.row, -nsaved, nrow - 1); |
685 |
#endif |
686 |
row = screen.cur.row; |
687 |
|
688 |
checksel = selection.op && current_screen == selection.screen ? 1 : 0; |
689 |
|
690 |
line_t *line = &ROW(row); |
691 |
|
692 |
while (str < strend) |
693 |
{ |
694 |
c = *str++; |
695 |
|
696 |
if (c < 0x20) |
697 |
if (c == C0_LF) |
698 |
{ |
699 |
if (!line->is_longer ()) /* XXX: think about this */ |
700 |
max_it (line->l, screen.cur.col); |
701 |
|
702 |
screen.flags &= ~Screen_WrapNext; |
703 |
|
704 |
if (screen.cur.row == screen.bscroll) |
705 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1); |
706 |
else if (screen.cur.row < (nrow - 1)) |
707 |
row = ++screen.cur.row; |
708 |
|
709 |
line = &ROW(row); /* _must_ refresh */ |
710 |
continue; |
711 |
} |
712 |
else if (c == C0_CR) |
713 |
{ |
714 |
if (!line->is_longer ()) /* XXX: think about this */ |
715 |
max_it (line->l, screen.cur.col); |
716 |
|
717 |
screen.flags &= ~Screen_WrapNext; |
718 |
screen.cur.col = 0; |
719 |
continue; |
720 |
} |
721 |
else if (c == C0_HT) |
722 |
{ |
723 |
scr_tab (1, true); |
724 |
continue; |
725 |
} |
726 |
|
727 |
if (checksel /* see if we're writing within selection */ |
728 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
729 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end)) |
730 |
{ |
731 |
checksel = 0; |
732 |
/* |
733 |
* If we wrote anywhere in the selected area, kill the selection |
734 |
* XXX: should we kill the mark too? Possibly, but maybe that |
735 |
* should be a similar check. |
736 |
*/ |
737 |
CLEAR_SELECTION (); |
738 |
} |
739 |
|
740 |
if (screen.flags & Screen_WrapNext) |
741 |
{ |
742 |
line->set_is_longer (); |
743 |
|
744 |
scr_do_wrap (); |
745 |
|
746 |
row = screen.cur.row; |
747 |
line = &ROW(row); /* _must_ refresh */ |
748 |
} |
749 |
|
750 |
// some utf-8 decoders "decode" surrogate characters: let's fix this. |
751 |
if (IN_RANGE_INC (c, 0xd800, 0xdfff)) |
752 |
c = 0xfffd; |
753 |
|
754 |
// rely on wcwidth to tell us the character width, at least for non-latin1 |
755 |
// do wcwidth before further replacements, as wcwidth might return -1 |
756 |
// for the line drawing characters below as they might be invalid in the current |
757 |
// locale. |
758 |
int width = c < 0x100 ? 1 : wcwidth (c); |
759 |
|
760 |
if (charsets[screen.charset] == '0') // DEC SPECIAL |
761 |
{ |
762 |
// vt100 special graphics and line drawing |
763 |
// 5f-7e standard vt100 |
764 |
// 40-5e rxvt extension for extra curses acs chars |
765 |
static uint16_t vt100_0[62] = { // 41 .. 7e |
766 |
0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman! |
767 |
0, 0, 0, 0, 0, 0, 0, 0, // 48-4f |
768 |
0, 0, 0, 0, 0, 0, 0, 0, // 50-57 |
769 |
0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f |
770 |
0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67 |
771 |
0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f |
772 |
0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77 |
773 |
0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e |
774 |
}; |
775 |
|
776 |
if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41]) |
777 |
{ |
778 |
c = vt100_0[c - 0x41]; |
779 |
width = 1; // vt100 line drawing characters are always single-width |
780 |
} |
781 |
} |
782 |
|
783 |
if (screen.flags & Screen_Insert) |
784 |
scr_insdel_chars (width, INSERT); |
785 |
|
786 |
if (width != 0) |
787 |
{ |
788 |
#if !UNICODE_3 |
789 |
// trim characters we can't store directly :( |
790 |
if (c >= 0x10000) |
791 |
# if ENABLE_COMBINING |
792 |
c = rxvt_composite.compose (c); // map to lower 16 bits |
793 |
# else |
794 |
c = 0xfffd; |
795 |
# endif |
796 |
#endif |
797 |
|
798 |
// nuke the character at this position, if required |
799 |
if (line->t[screen.cur.col] == NOCHAR |
800 |
|| (screen.cur.col < ncol - 1 |
801 |
&& line->t[screen.cur.col + 1] == NOCHAR)) |
802 |
{ |
803 |
int col = screen.cur.col; |
804 |
|
805 |
// find begin |
806 |
while (col > 0 && line->t[col] == NOCHAR) |
807 |
col--; |
808 |
|
809 |
rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' ')); |
810 |
|
811 |
// found begin, nuke |
812 |
do { |
813 |
line->t[col] = ' '; |
814 |
line->r[col] = rend; |
815 |
col++; |
816 |
} while (col < ncol && line->t[col] == NOCHAR); |
817 |
} |
818 |
|
819 |
rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); |
820 |
|
821 |
// if the character doesn't fit into the remaining columns... |
822 |
if (screen.cur.col > last_col - width && last_col >= width) |
823 |
{ |
824 |
// ...output spaces |
825 |
c = ' '; |
826 |
// and try the same character next loop iteration |
827 |
--str; |
828 |
} |
829 |
|
830 |
do |
831 |
{ |
832 |
line->t[screen.cur.col] = c; |
833 |
line->r[screen.cur.col] = rend; |
834 |
|
835 |
if (screen.cur.col < last_col - 1) |
836 |
screen.cur.col++; |
837 |
else |
838 |
{ |
839 |
line->l = last_col; |
840 |
if (screen.flags & Screen_Autowrap) |
841 |
screen.flags |= Screen_WrapNext; |
842 |
break; |
843 |
} |
844 |
|
845 |
c = NOCHAR; |
846 |
} |
847 |
while (--width > 0); |
848 |
|
849 |
// pad with spaces when overwriting wide character with smaller one |
850 |
if (!width) |
851 |
for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) |
852 |
{ |
853 |
line->t[c] = ' '; |
854 |
line->r[c] = rend; |
855 |
} |
856 |
} |
857 |
else // width == 0 |
858 |
{ |
859 |
#if ENABLE_COMBINING |
860 |
// handle combining characters |
861 |
// we just tag the accent on the previous on-screen character. |
862 |
// this is arguably not correct, but also arguably not wrong. |
863 |
// we don't handle double-width characters nicely yet. |
864 |
text_t *tp; |
865 |
rend_t *rp; |
866 |
|
867 |
if (screen.cur.col > 0) |
868 |
{ |
869 |
tp = line->t + screen.cur.col - 1; |
870 |
rp = line->r + screen.cur.col - 1; |
871 |
|
872 |
while (*tp == NOCHAR && tp > line->t) |
873 |
tp--, rp--; |
874 |
} |
875 |
else if (screen.cur.row > 0 |
876 |
&& ROW(screen.cur.row - 1).is_longer ()) |
877 |
{ |
878 |
line_t *line = &ROW(screen.cur.row - 1); |
879 |
|
880 |
tp = line->t + last_col - 1; |
881 |
rp = line->r + last_col - 1; |
882 |
|
883 |
while (*tp == NOCHAR && tp > line->t) |
884 |
tp--, rp--; |
885 |
} |
886 |
else |
887 |
continue; |
888 |
|
889 |
// first try to find a precomposed character |
890 |
unicode_t n = rxvt_compose (*tp, c); |
891 |
if (n == NOCHAR) |
892 |
n = rxvt_composite.compose (*tp, c); |
893 |
|
894 |
*tp = n; |
895 |
*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); |
896 |
#endif |
897 |
} |
898 |
} |
899 |
|
900 |
if (!line->is_longer ()) /* XXX: think about this */ |
901 |
max_it (line->l, screen.cur.col); |
902 |
|
903 |
#ifdef DEBUG_STRICT |
904 |
assert (screen.cur.row >= 0); |
905 |
#else /* drive with your eyes closed */ |
906 |
max_it (screen.cur.row, 0); |
907 |
#endif |
908 |
} |
909 |
|
910 |
/* ------------------------------------------------------------------------- */ |
911 |
/* |
912 |
* Process Backspace. Move back the cursor back a position, wrap if have to |
913 |
* XTERM_SEQ: CTRL-H |
914 |
*/ |
915 |
void |
916 |
rxvt_term::scr_backspace () |
917 |
{ |
918 |
want_refresh = 1; |
919 |
|
920 |
if (screen.cur.col == 0) |
921 |
{ |
922 |
if (screen.cur.row > 0) |
923 |
{ |
924 |
#ifdef TERMCAP_HAS_BW |
925 |
screen.cur.col = ncol - 1; |
926 |
screen.cur.row--; |
927 |
return; |
928 |
#endif |
929 |
} |
930 |
} |
931 |
else if (!(screen.flags & Screen_WrapNext)) |
932 |
scr_gotorc (0, -1, RELATIVE); |
933 |
|
934 |
screen.flags &= ~Screen_WrapNext; |
935 |
} |
936 |
|
937 |
/* ------------------------------------------------------------------------- */ |
938 |
/* |
939 |
* Process Horizontal Tab |
940 |
* count: +ve = forward; -ve = backwards |
941 |
* XTERM_SEQ: CTRL-I |
942 |
*/ |
943 |
void |
944 |
rxvt_term::scr_tab (int count, bool ht) |
945 |
{ |
946 |
int i, x; |
947 |
|
948 |
want_refresh = 1; |
949 |
i = x = screen.cur.col; |
950 |
|
951 |
if (count == 0) |
952 |
return; |
953 |
else if (count > 0) |
954 |
{ |
955 |
int row = screen.cur.row; |
956 |
|
957 |
line_t &l = ROW(row); |
958 |
rend_t base_rend = l.r[i]; |
959 |
ht &= l.t[i] == ' '; |
960 |
|
961 |
for (; ++i < ncol; ) |
962 |
if (tabs[i]) |
963 |
{ |
964 |
x = i; |
965 |
if (!--count) |
966 |
break; |
967 |
} |
968 |
else |
969 |
ht &= l.t[i] == ' ' |
970 |
&& RS_SAME (l.r[i], base_rend); |
971 |
|
972 |
if (count) |
973 |
x = ncol - 1; |
974 |
|
975 |
// store horizontal tab commands as characters inside the text |
976 |
// buffer so they can be selected and pasted. |
977 |
if (ht && options & Opt_pastableTabs) |
978 |
{ |
979 |
base_rend = SET_FONT (base_rend, 0); |
980 |
|
981 |
if (!l.is_longer ()) /* XXX: think about this */ |
982 |
max_it (l.l, x); |
983 |
|
984 |
i = screen.cur.col; |
985 |
|
986 |
l.t[i] = '\t'; |
987 |
l.r[i] = base_rend; |
988 |
|
989 |
while (++i < x) |
990 |
{ |
991 |
l.t[i] = NOCHAR; |
992 |
l.r[i] = base_rend; |
993 |
} |
994 |
} |
995 |
} |
996 |
else /* if (count < 0) */ |
997 |
{ |
998 |
for (; --i >= 0; ) |
999 |
if (tabs[i]) |
1000 |
{ |
1001 |
x = i; |
1002 |
if (!++count) |
1003 |
break; |
1004 |
} |
1005 |
|
1006 |
if (count) |
1007 |
x = 0; |
1008 |
} |
1009 |
|
1010 |
if (x != screen.cur.col) |
1011 |
scr_gotorc (0, x, R_RELATIVE); |
1012 |
} |
1013 |
|
1014 |
/* ------------------------------------------------------------------------- */ |
1015 |
/* |
1016 |
* Process DEC Back Index |
1017 |
* XTERM_SEQ: ESC 6 |
1018 |
* Move cursor left in row. If we're at the left boundary, shift everything |
1019 |
* in that row right. Clear left column. |
1020 |
*/ |
1021 |
#if ENABLE_FRILLS |
1022 |
void |
1023 |
rxvt_term::scr_backindex () |
1024 |
{ |
1025 |
if (screen.cur.col > 0) |
1026 |
scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); |
1027 |
else |
1028 |
scr_insdel_chars (1, INSERT); |
1029 |
} |
1030 |
#endif |
1031 |
/* ------------------------------------------------------------------------- */ |
1032 |
/* |
1033 |
* Process DEC Forward Index |
1034 |
* XTERM_SEQ: ESC 9 |
1035 |
* Move cursor right in row. If we're at the right boundary, shift everything |
1036 |
* in that row left. Clear right column. |
1037 |
*/ |
1038 |
#if ENABLE_FRILLS |
1039 |
void |
1040 |
rxvt_term::scr_forwardindex () |
1041 |
{ |
1042 |
int row; |
1043 |
|
1044 |
if (screen.cur.col < ncol - 1) |
1045 |
scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); |
1046 |
else |
1047 |
{ |
1048 |
row = screen.cur.row; |
1049 |
|
1050 |
if (ROW(row).is_longer ()) //TODO//FIXME//LEN |
1051 |
ROW(row).l = ncol; |
1052 |
|
1053 |
scr_gotorc (0, 0, R_RELATIVE); |
1054 |
scr_insdel_chars (1, DELETE); |
1055 |
scr_gotorc (0, ncol - 1, R_RELATIVE); |
1056 |
} |
1057 |
} |
1058 |
#endif |
1059 |
|
1060 |
/* ------------------------------------------------------------------------- */ |
1061 |
/* |
1062 |
* Goto Row/Column |
1063 |
*/ |
1064 |
void |
1065 |
rxvt_term::scr_gotorc (int row, int col, int relative) |
1066 |
{ |
1067 |
want_refresh = 1; |
1068 |
ZERO_SCROLLBACK (); |
1069 |
|
1070 |
screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; |
1071 |
clamp_it (screen.cur.col, 0, ncol - 1); |
1072 |
|
1073 |
screen.flags &= ~Screen_WrapNext; |
1074 |
|
1075 |
if (relative & R_RELATIVE) |
1076 |
{ |
1077 |
if (row > 0) |
1078 |
{ |
1079 |
if (screen.cur.row <= screen.bscroll |
1080 |
&& (screen.cur.row + row) > screen.bscroll) |
1081 |
screen.cur.row = screen.bscroll; |
1082 |
else |
1083 |
screen.cur.row += row; |
1084 |
} |
1085 |
else if (row < 0) |
1086 |
{ |
1087 |
if (screen.cur.row >= screen.tscroll |
1088 |
&& (screen.cur.row + row) < screen.tscroll) |
1089 |
screen.cur.row = screen.tscroll; |
1090 |
else |
1091 |
screen.cur.row += row; |
1092 |
} |
1093 |
} |
1094 |
else |
1095 |
{ |
1096 |
if (screen.flags & Screen_Relative) |
1097 |
{ /* relative origin mode */ |
1098 |
screen.cur.row = row + screen.tscroll; |
1099 |
min_it (screen.cur.row, screen.bscroll); |
1100 |
} |
1101 |
else |
1102 |
screen.cur.row = row; |
1103 |
} |
1104 |
|
1105 |
clamp_it (screen.cur.row, 0, nrow - 1); |
1106 |
} |
1107 |
|
1108 |
/* ------------------------------------------------------------------------- */ |
1109 |
/* |
1110 |
* direction should be UP or DN |
1111 |
*/ |
1112 |
void |
1113 |
rxvt_term::scr_index (enum page_dirn direction) |
1114 |
{ |
1115 |
int dirn; |
1116 |
|
1117 |
want_refresh = 1; |
1118 |
ZERO_SCROLLBACK (); |
1119 |
|
1120 |
dirn = ((direction == UP) ? 1 : -1); |
1121 |
|
1122 |
screen.flags &= ~Screen_WrapNext; |
1123 |
|
1124 |
if ((screen.cur.row == screen.bscroll && direction == UP) |
1125 |
|| (screen.cur.row == screen.tscroll && direction == DN)) |
1126 |
scr_scroll_text (screen.tscroll, screen.bscroll, dirn); |
1127 |
else |
1128 |
screen.cur.row += dirn; |
1129 |
|
1130 |
clamp_it (screen.cur.row, 0, nrow - 1); |
1131 |
selection_check (0); |
1132 |
} |
1133 |
|
1134 |
/* ------------------------------------------------------------------------- */ |
1135 |
/* |
1136 |
* Erase part or whole of a line |
1137 |
* XTERM_SEQ: Clear line to right: ESC [ 0 K |
1138 |
* XTERM_SEQ: Clear line to left : ESC [ 1 K |
1139 |
* XTERM_SEQ: Clear whole line : ESC [ 2 K |
1140 |
*/ |
1141 |
void |
1142 |
rxvt_term::scr_erase_line (int mode) |
1143 |
{ |
1144 |
unsigned int row, col, num; |
1145 |
|
1146 |
want_refresh = 1; |
1147 |
ZERO_SCROLLBACK (); |
1148 |
|
1149 |
selection_check (1); |
1150 |
|
1151 |
row = screen.cur.row; |
1152 |
|
1153 |
switch (mode) |
1154 |
{ |
1155 |
case 0: /* erase to end of line */ |
1156 |
col = screen.cur.col; |
1157 |
num = ncol - col; |
1158 |
min_it (ROW(row).l, col); |
1159 |
if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) |
1160 |
|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) |
1161 |
CLEAR_SELECTION (); |
1162 |
break; |
1163 |
case 1: /* erase to beginning of line */ |
1164 |
col = 0; |
1165 |
num = screen.cur.col + 1; |
1166 |
if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) |
1167 |
|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) |
1168 |
CLEAR_SELECTION (); |
1169 |
break; |
1170 |
case 2: /* erase whole line */ |
1171 |
col = 0; |
1172 |
num = ncol; |
1173 |
ROW(row).l = 0; |
1174 |
if (selection.beg.row <= screen.cur.row |
1175 |
&& selection.end.row >= screen.cur.row) |
1176 |
CLEAR_SELECTION (); |
1177 |
break; |
1178 |
default: |
1179 |
return; |
1180 |
} |
1181 |
|
1182 |
scr_blank_line (ROW(row), col, num, rstyle); |
1183 |
} |
1184 |
|
1185 |
/* ------------------------------------------------------------------------- */ |
1186 |
/* |
1187 |
* Erase part of whole of the screen |
1188 |
* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J |
1189 |
* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J |
1190 |
* XTERM_SEQ: Clear whole screen : ESC [ 2 J |
1191 |
*/ |
1192 |
void |
1193 |
rxvt_term::scr_erase_screen (int mode) |
1194 |
{ |
1195 |
int num; |
1196 |
int32_t row; |
1197 |
rend_t ren; |
1198 |
XGCValues gcvalue; |
1199 |
|
1200 |
want_refresh = 1; |
1201 |
ZERO_SCROLLBACK (); |
1202 |
|
1203 |
switch (mode) |
1204 |
{ |
1205 |
case 0: /* erase to end of screen */ |
1206 |
selection_check (1); |
1207 |
scr_erase_line (0); |
1208 |
row = screen.cur.row + 1; /* possible OOB */ |
1209 |
num = nrow - row; |
1210 |
break; |
1211 |
case 1: /* erase to beginning of screen */ |
1212 |
selection_check (3); |
1213 |
scr_erase_line (1); |
1214 |
row = 0; |
1215 |
num = screen.cur.row; |
1216 |
break; |
1217 |
case 2: /* erase whole screen */ |
1218 |
selection_check (3); |
1219 |
row = 0; |
1220 |
num = nrow; |
1221 |
break; |
1222 |
default: |
1223 |
return; |
1224 |
} |
1225 |
|
1226 |
if (selection.op && current_screen == selection.screen |
1227 |
&& ((selection.beg.row >= row && selection.beg.row <= row + num) |
1228 |
|| (selection.end.row >= row |
1229 |
&& selection.end.row <= row + num))) |
1230 |
CLEAR_SELECTION (); |
1231 |
|
1232 |
if (row >= nrow) /* Out Of Bounds */ |
1233 |
return; |
1234 |
|
1235 |
min_it (num, nrow - row); |
1236 |
|
1237 |
if (rstyle & (RS_RVid | RS_Uline)) |
1238 |
ren = (rend_t) ~RS_None; |
1239 |
else if (GET_BASEBG (rstyle) == Color_bg) |
1240 |
{ |
1241 |
ren = DEFAULT_RSTYLE; |
1242 |
CLEAR_ROWS (row, num); |
1243 |
} |
1244 |
else |
1245 |
{ |
1246 |
ren = rstyle & (RS_fgMask | RS_bgMask); |
1247 |
gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; |
1248 |
XChangeGC (display->display, gc, GCForeground, &gcvalue); |
1249 |
ERASE_ROWS (row, num); |
1250 |
gcvalue.foreground = pix_colors[Color_fg]; |
1251 |
XChangeGC (display->display, gc, GCForeground, &gcvalue); |
1252 |
} |
1253 |
|
1254 |
for (; num--; row++) |
1255 |
{ |
1256 |
scr_blank_screen_mem (ROW (row), rstyle); |
1257 |
ROW (row).l = 0; |
1258 |
scr_blank_line (drawn_buf [row], 0, ncol, ren); |
1259 |
} |
1260 |
} |
1261 |
|
1262 |
#if ENABLE_FRILLS |
1263 |
void |
1264 |
rxvt_term::scr_erase_savelines () |
1265 |
{ |
1266 |
want_refresh = 1; |
1267 |
ZERO_SCROLLBACK (); |
1268 |
|
1269 |
nsaved = 0; |
1270 |
} |
1271 |
#endif |
1272 |
|
1273 |
/* ------------------------------------------------------------------------- */ |
1274 |
/* |
1275 |
* Fill the screen with `E's |
1276 |
* XTERM_SEQ: Screen Alignment Test: ESC # 8 |
1277 |
*/ |
1278 |
void |
1279 |
rxvt_term::scr_E () |
1280 |
{ |
1281 |
rend_t fs; |
1282 |
|
1283 |
want_refresh = 1; |
1284 |
ZERO_SCROLLBACK (); |
1285 |
|
1286 |
num_scr_allow = 0; |
1287 |
selection_check (3); |
1288 |
|
1289 |
fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); |
1290 |
for (int row = nrow; row--; ) |
1291 |
{ |
1292 |
line_t &line = ROW(row); |
1293 |
|
1294 |
fill_text (line.t, 'E', ncol); |
1295 |
rend_t *r1 = line.r; |
1296 |
|
1297 |
for (int j = ncol; j--; ) |
1298 |
*r1++ = fs; |
1299 |
|
1300 |
line.l = ncol; /* make the `E's selectable */ |
1301 |
} |
1302 |
} |
1303 |
|
1304 |
/* ------------------------------------------------------------------------- */ |
1305 |
/* |
1306 |
* Insert/Delete <count> lines |
1307 |
*/ |
1308 |
void |
1309 |
rxvt_term::scr_insdel_lines (int count, int insdel) |
1310 |
{ |
1311 |
int end; |
1312 |
|
1313 |
ZERO_SCROLLBACK (); |
1314 |
|
1315 |
selection_check (1); |
1316 |
|
1317 |
if (screen.cur.row > screen.bscroll) |
1318 |
return; |
1319 |
|
1320 |
end = screen.bscroll - screen.cur.row + 1; |
1321 |
if (count > end) |
1322 |
{ |
1323 |
if (insdel == DELETE) |
1324 |
return; |
1325 |
else if (insdel == INSERT) |
1326 |
count = end; |
1327 |
} |
1328 |
|
1329 |
scr_do_wrap (); |
1330 |
|
1331 |
scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count); |
1332 |
} |
1333 |
|
1334 |
/* ------------------------------------------------------------------------- */ |
1335 |
/* |
1336 |
* Insert/Delete <count> characters from the current position |
1337 |
*/ |
1338 |
void |
1339 |
rxvt_term::scr_insdel_chars (int count, int insdel) |
1340 |
{ |
1341 |
int col, row; |
1342 |
rend_t tr; |
1343 |
|
1344 |
want_refresh = 1; |
1345 |
ZERO_SCROLLBACK (); |
1346 |
|
1347 |
if (count <= 0) |
1348 |
return; |
1349 |
|
1350 |
scr_do_wrap (); |
1351 |
|
1352 |
selection_check (1); |
1353 |
min_it (count, ncol - screen.cur.col); |
1354 |
|
1355 |
row = screen.cur.row; |
1356 |
|
1357 |
line_t *line = &ROW(row); |
1358 |
|
1359 |
switch (insdel) |
1360 |
{ |
1361 |
case INSERT: |
1362 |
for (col = ncol - 1; (col - count) >= screen.cur.col; col--) |
1363 |
{ |
1364 |
line->t[col] = line->t[col - count]; |
1365 |
line->r[col] = line->r[col - count]; |
1366 |
} |
1367 |
|
1368 |
if (!line->is_longer ()) |
1369 |
{ |
1370 |
line->l += count; |
1371 |
min_it (line->l, ncol); |
1372 |
} |
1373 |
|
1374 |
if (selection.op && current_screen == selection.screen |
1375 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1376 |
{ |
1377 |
if (selection.end.row != screen.cur.row |
1378 |
|| (selection.end.col + count >= ncol)) |
1379 |
CLEAR_SELECTION (); |
1380 |
else |
1381 |
{ /* shift selection */ |
1382 |
selection.beg.col += count; |
1383 |
selection.mark.col += count; /* XXX: yes? */ |
1384 |
selection.end.col += count; |
1385 |
} |
1386 |
} |
1387 |
|
1388 |
scr_blank_line (*line, screen.cur.col, count, rstyle); |
1389 |
break; |
1390 |
|
1391 |
case ERASE: |
1392 |
screen.cur.col += count; /* don't worry if > ncol */ |
1393 |
selection_check (1); |
1394 |
screen.cur.col -= count; |
1395 |
scr_blank_line (*line, screen.cur.col, count, rstyle); |
1396 |
break; |
1397 |
|
1398 |
case DELETE: |
1399 |
tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); |
1400 |
|
1401 |
for (col = screen.cur.col; (col + count) < ncol; col++) |
1402 |
{ |
1403 |
line->t[col] = line->t[col + count]; |
1404 |
line->r[col] = line->r[col + count]; |
1405 |
} |
1406 |
|
1407 |
scr_blank_line (*line, ncol - count, count, tr); |
1408 |
|
1409 |
if (line->is_longer ()) /* break line continuation */ |
1410 |
line->l = ncol; |
1411 |
|
1412 |
line->l = max (line->l - count, 0); |
1413 |
|
1414 |
if (selection.op && current_screen == selection.screen |
1415 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1416 |
{ |
1417 |
if (selection.end.row != screen.cur.row |
1418 |
|| (screen.cur.col >= selection.beg.col - count) |
1419 |
|| selection.end.col >= ncol) |
1420 |
CLEAR_SELECTION (); |
1421 |
else |
1422 |
{ |
1423 |
/* shift selection */ |
1424 |
selection.beg.col -= count; |
1425 |
selection.mark.col -= count; /* XXX: yes? */ |
1426 |
selection.end.col -= count; |
1427 |
} |
1428 |
} |
1429 |
|
1430 |
break; |
1431 |
} |
1432 |
} |
1433 |
|
1434 |
/* ------------------------------------------------------------------------- */ |
1435 |
/* |
1436 |
* Set the scrolling region |
1437 |
* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r |
1438 |
*/ |
1439 |
void |
1440 |
rxvt_term::scr_scroll_region (int top, int bot) |
1441 |
{ |
1442 |
max_it (top, 0); |
1443 |
min_it (bot, nrow - 1); |
1444 |
|
1445 |
if (top > bot) |
1446 |
return; |
1447 |
|
1448 |
screen.tscroll = top; |
1449 |
screen.bscroll = bot; |
1450 |
scr_gotorc (0, 0, 0); |
1451 |
} |
1452 |
|
1453 |
/* ------------------------------------------------------------------------- */ |
1454 |
/* |
1455 |
* Make the cursor visible/invisible |
1456 |
* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h |
1457 |
* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l |
1458 |
*/ |
1459 |
void |
1460 |
rxvt_term::scr_cursor_visible (int mode) |
1461 |
{ |
1462 |
want_refresh = 1; |
1463 |
|
1464 |
if (mode) |
1465 |
screen.flags |= Screen_VisibleCursor; |
1466 |
else |
1467 |
screen.flags &= ~Screen_VisibleCursor; |
1468 |
} |
1469 |
|
1470 |
/* ------------------------------------------------------------------------- */ |
1471 |
/* |
1472 |
* Set/unset automatic wrapping |
1473 |
* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h |
1474 |
* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l |
1475 |
*/ |
1476 |
void |
1477 |
rxvt_term::scr_autowrap (int mode) |
1478 |
{ |
1479 |
if (mode) |
1480 |
screen.flags |= Screen_Autowrap; |
1481 |
else |
1482 |
screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); |
1483 |
} |
1484 |
|
1485 |
/* ------------------------------------------------------------------------- */ |
1486 |
/* |
1487 |
* Set/unset margin origin mode |
1488 |
* Absolute mode: line numbers are counted relative to top margin of screen |
1489 |
* and the cursor can be moved outside the scrolling region. |
1490 |
* Relative mode: line numbers are relative to top margin of scrolling region |
1491 |
* and the cursor cannot be moved outside. |
1492 |
* XTERM_SEQ: Set Absolute: ESC [ ? 6 h |
1493 |
* XTERM_SEQ: Set Relative: ESC [ ? 6 l |
1494 |
*/ |
1495 |
void |
1496 |
rxvt_term::scr_relative_origin (int mode) |
1497 |
{ |
1498 |
if (mode) |
1499 |
screen.flags |= Screen_Relative; |
1500 |
else |
1501 |
screen.flags &= ~Screen_Relative; |
1502 |
|
1503 |
scr_gotorc (0, 0, 0); |
1504 |
} |
1505 |
|
1506 |
/* ------------------------------------------------------------------------- */ |
1507 |
/* |
1508 |
* Set insert/replace mode |
1509 |
* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h |
1510 |
* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l |
1511 |
*/ |
1512 |
void |
1513 |
rxvt_term::scr_insert_mode (int mode) |
1514 |
{ |
1515 |
if (mode) |
1516 |
screen.flags |= Screen_Insert; |
1517 |
else |
1518 |
screen.flags &= ~Screen_Insert; |
1519 |
} |
1520 |
|
1521 |
/* ------------------------------------------------------------------------- */ |
1522 |
/* |
1523 |
* Set/Unset tabs |
1524 |
* XTERM_SEQ: Set tab at current column : ESC H |
1525 |
* XTERM_SEQ: Clear tab at current column: ESC [ 0 g |
1526 |
* XTERM_SEQ: Clear all tabs : ESC [ 3 g |
1527 |
*/ |
1528 |
void |
1529 |
rxvt_term::scr_set_tab (int mode) |
1530 |
{ |
1531 |
if (mode < 0) |
1532 |
memset (tabs, 0, ncol * sizeof (char)); |
1533 |
else if (screen.cur.col < ncol) |
1534 |
tabs[screen.cur.col] = (mode ? 1 : 0); |
1535 |
} |
1536 |
|
1537 |
/* ------------------------------------------------------------------------- */ |
1538 |
/* |
1539 |
* Set reverse/normal video |
1540 |
* XTERM_SEQ: Reverse video: ESC [ ? 5 h |
1541 |
* XTERM_SEQ: Normal video : ESC [ ? 5 l |
1542 |
*/ |
1543 |
void |
1544 |
rxvt_term::scr_rvideo_mode (int mode) |
1545 |
{ |
1546 |
XGCValues gcvalue; |
1547 |
|
1548 |
if (rvideo != mode) |
1549 |
{ |
1550 |
rvideo = mode; |
1551 |
::swap (pix_colors[Color_fg], pix_colors[Color_bg]); |
1552 |
#if XPM_BACKGROUND |
1553 |
if (bgPixmap.pixmap == None) |
1554 |
#endif |
1555 |
#if TRANSPARENT |
1556 |
if (! (options & Opt_transparent) || am_transparent == 0) |
1557 |
#endif |
1558 |
XSetWindowBackground (display->display, vt, |
1559 |
pix_colors[Color_bg]); |
1560 |
|
1561 |
gcvalue.foreground = pix_colors[Color_fg]; |
1562 |
gcvalue.background = pix_colors[Color_bg]; |
1563 |
XChangeGC (display->display, gc, GCBackground | GCForeground, |
1564 |
&gcvalue); |
1565 |
scr_clear (); |
1566 |
scr_touch (true); |
1567 |
} |
1568 |
} |
1569 |
|
1570 |
/* ------------------------------------------------------------------------- */ |
1571 |
/* |
1572 |
* Report current cursor position |
1573 |
* XTERM_SEQ: Report position: ESC [ 6 n |
1574 |
*/ |
1575 |
void |
1576 |
rxvt_term::scr_report_position () |
1577 |
{ |
1578 |
tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); |
1579 |
} |
1580 |
|
1581 |
/* ------------------------------------------------------------------------- * |
1582 |
* FONTS * |
1583 |
* ------------------------------------------------------------------------- */ |
1584 |
|
1585 |
/* |
1586 |
* Set font style |
1587 |
*/ |
1588 |
void |
1589 |
rxvt_term::set_font_style () |
1590 |
{ |
1591 |
switch (charsets[screen.charset]) |
1592 |
{ |
1593 |
case '0': /* DEC Special Character & Line Drawing Set */ |
1594 |
break; |
1595 |
case 'A': /* United Kingdom (UK) */ |
1596 |
break; |
1597 |
case 'B': /* United States (USASCII) */ |
1598 |
break; |
1599 |
case '<': /* Multinational character set */ |
1600 |
break; |
1601 |
case '5': /* Finnish character set */ |
1602 |
break; |
1603 |
case 'C': /* Finnish character set */ |
1604 |
break; |
1605 |
case 'K': /* German character set */ |
1606 |
break; |
1607 |
} |
1608 |
} |
1609 |
|
1610 |
/* ------------------------------------------------------------------------- */ |
1611 |
/* |
1612 |
* Choose a font |
1613 |
* XTERM_SEQ: Invoke G0 character set: CTRL-O |
1614 |
* XTERM_SEQ: Invoke G1 character set: CTRL-N |
1615 |
* XTERM_SEQ: Invoke G2 character set: ESC N |
1616 |
* XTERM_SEQ: Invoke G3 character set: ESC O |
1617 |
*/ |
1618 |
void |
1619 |
rxvt_term::scr_charset_choose (int set) |
1620 |
{ |
1621 |
screen.charset = set; |
1622 |
set_font_style (); |
1623 |
} |
1624 |
|
1625 |
/* ------------------------------------------------------------------------- */ |
1626 |
/* |
1627 |
* Set a font |
1628 |
* XTERM_SEQ: Set G0 character set: ESC ( <C> |
1629 |
* XTERM_SEQ: Set G1 character set: ESC ) <C> |
1630 |
* XTERM_SEQ: Set G2 character set: ESC * <C> |
1631 |
* XTERM_SEQ: Set G3 character set: ESC + <C> |
1632 |
* See set_font_style for possible values for <C> |
1633 |
*/ |
1634 |
void |
1635 |
rxvt_term::scr_charset_set (int set, unsigned int ch) |
1636 |
{ |
1637 |
charsets[set] = (unsigned char)ch; |
1638 |
set_font_style (); |
1639 |
} |
1640 |
|
1641 |
|
1642 |
/* ------------------------------------------------------------------------- * |
1643 |
* MAJOR SCREEN MANIPULATION * |
1644 |
* ------------------------------------------------------------------------- */ |
1645 |
|
1646 |
/* |
1647 |
* refresh matching text. |
1648 |
*/ |
1649 |
bool |
1650 |
rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) |
1651 |
{ |
1652 |
bool found = false; |
1653 |
|
1654 |
for (int i = 0; i < nrow; i++) |
1655 |
{ |
1656 |
int col = 0; |
1657 |
rend_t *drp = drawn_buf[i].r; |
1658 |
|
1659 |
for (; col < ncol; col++, drp++) |
1660 |
if ((*drp & mask) == value) |
1661 |
{ |
1662 |
found = true; |
1663 |
*drp = ~value; |
1664 |
} |
1665 |
} |
1666 |
|
1667 |
return found; |
1668 |
} |
1669 |
|
1670 |
/* |
1671 |
* Refresh an area |
1672 |
*/ |
1673 |
enum { |
1674 |
PART_BEG = 0, |
1675 |
PART_END, |
1676 |
RC_COUNT |
1677 |
}; |
1678 |
|
1679 |
void |
1680 |
rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) |
1681 |
{ |
1682 |
int i; |
1683 |
row_col_t rc[RC_COUNT]; |
1684 |
|
1685 |
if (!drawn_buf) /* sanity check */ |
1686 |
return; |
1687 |
|
1688 |
#ifndef NO_SLOW_LINK_SUPPORT |
1689 |
if (refresh_type == FAST_REFRESH && !display->is_local) |
1690 |
{ |
1691 |
y = 0; |
1692 |
eheight = height; |
1693 |
} |
1694 |
#endif |
1695 |
|
1696 |
#ifdef DEBUG_STRICT |
1697 |
#if 0 |
1698 |
// that's not debugging //TODO //FIXME |
1699 |
clamp_it (x, 0, width); |
1700 |
clamp_it (y, 0, height); |
1701 |
#endif |
1702 |
#endif |
1703 |
|
1704 |
/* round down */ |
1705 |
rc[PART_BEG].col = Pixel2Col (x); |
1706 |
rc[PART_BEG].row = Pixel2Row (y); |
1707 |
/* round up */ |
1708 |
rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1); |
1709 |
rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); |
1710 |
|
1711 |
/* sanity checks */ |
1712 |
for (i = PART_BEG; i < RC_COUNT; i++) |
1713 |
{ |
1714 |
min_it (rc[i].col, ncol - 1); |
1715 |
min_it (rc[i].row, nrow - 1); |
1716 |
} |
1717 |
|
1718 |
for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) |
1719 |
fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); |
1720 |
|
1721 |
if (refresh) |
1722 |
scr_refresh (SLOW_REFRESH); |
1723 |
} |
1724 |
|
1725 |
/* ------------------------------------------------------------------------- */ |
1726 |
/* |
1727 |
* Refresh the entire screen |
1728 |
*/ |
1729 |
void |
1730 |
rxvt_term::scr_touch (bool refresh) |
1731 |
{ |
1732 |
scr_expose (0, 0, width, height, refresh); |
1733 |
} |
1734 |
|
1735 |
/* ------------------------------------------------------------------------- */ |
1736 |
/* |
1737 |
* Move the display so that the line represented by scrollbar value Y is at |
1738 |
* the top of the screen |
1739 |
*/ |
1740 |
int |
1741 |
rxvt_term::scr_move_to (int y, int len) |
1742 |
{ |
1743 |
long p = 0; |
1744 |
unsigned int oldviewstart; |
1745 |
|
1746 |
oldviewstart = view_start; |
1747 |
|
1748 |
if (y < len) |
1749 |
{ |
1750 |
p = (nrow + nsaved) * (len - y) / len; |
1751 |
p -= (long) (nrow - 1); |
1752 |
p = max (p, 0); |
1753 |
} |
1754 |
|
1755 |
view_start = (unsigned int)min (p, nsaved); |
1756 |
|
1757 |
return scr_changeview (oldviewstart); |
1758 |
} |
1759 |
|
1760 |
/* ------------------------------------------------------------------------- */ |
1761 |
/* |
1762 |
* Page the screen up/down nlines |
1763 |
* direction should be UP or DN |
1764 |
*/ |
1765 |
int |
1766 |
rxvt_term::scr_page (enum page_dirn direction, int nlines) |
1767 |
{ |
1768 |
int n; |
1769 |
unsigned int oldviewstart; |
1770 |
|
1771 |
oldviewstart = view_start; |
1772 |
|
1773 |
if (direction == UP) |
1774 |
{ |
1775 |
n = view_start + nlines; |
1776 |
view_start = min (n, nsaved); |
1777 |
} |
1778 |
else |
1779 |
{ |
1780 |
n = view_start - nlines; |
1781 |
view_start = max (n, 0); |
1782 |
} |
1783 |
|
1784 |
return scr_changeview (oldviewstart); |
1785 |
} |
1786 |
|
1787 |
int |
1788 |
rxvt_term::scr_changeview (unsigned int oldviewstart) |
1789 |
{ |
1790 |
if (view_start != oldviewstart) |
1791 |
{ |
1792 |
want_refresh = 1; |
1793 |
num_scr -= (view_start - oldviewstart); |
1794 |
} |
1795 |
|
1796 |
return (int) (view_start - oldviewstart); |
1797 |
} |
1798 |
|
1799 |
/* ------------------------------------------------------------------------- */ |
1800 |
void |
1801 |
rxvt_term::scr_bell () |
1802 |
{ |
1803 |
#ifndef NO_BELL |
1804 |
|
1805 |
# ifndef NO_MAPALERT |
1806 |
# ifdef MAPALERT_OPTION |
1807 |
if (options & Opt_mapAlert) |
1808 |
# endif |
1809 |
XMapWindow (display->display, parent[0]); |
1810 |
# endif |
1811 |
|
1812 |
if (options & Opt_visualBell) |
1813 |
{ |
1814 |
scr_rvideo_mode (!rvideo); /* refresh also done */ |
1815 |
rxvt_usleep (VISUAL_BELL_DURATION); |
1816 |
scr_rvideo_mode (!rvideo); /* refresh also done */ |
1817 |
} |
1818 |
else |
1819 |
XBell (display->display, 0); |
1820 |
|
1821 |
#endif |
1822 |
} |
1823 |
|
1824 |
/* ------------------------------------------------------------------------- */ |
1825 |
/* ARGSUSED */ |
1826 |
void |
1827 |
rxvt_term::scr_printscreen (int fullhist) |
1828 |
{ |
1829 |
#ifdef PRINTPIPE |
1830 |
int nrows, row_start; |
1831 |
FILE *fd; |
1832 |
|
1833 |
if ((fd = popen_printer ()) == NULL) |
1834 |
return; |
1835 |
|
1836 |
if (fullhist) |
1837 |
{ |
1838 |
nrows = nrow + nsaved; |
1839 |
row_start = -nsaved; |
1840 |
} |
1841 |
else |
1842 |
{ |
1843 |
nrows = nrow; |
1844 |
row_start = -view_start; |
1845 |
} |
1846 |
|
1847 |
wctomb (0, 0); |
1848 |
|
1849 |
for (int r1 = 0; r1 < nrows; r1++) |
1850 |
{ |
1851 |
text_t *tp = ROW(r1).t; |
1852 |
int len = ROW(r1).l; |
1853 |
|
1854 |
for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN |
1855 |
{ |
1856 |
char mb[MB_LEN_MAX]; |
1857 |
text_t t = *tp++; |
1858 |
if (t == NOCHAR) |
1859 |
continue; |
1860 |
|
1861 |
len = wctomb (mb, t); |
1862 |
|
1863 |
if (len <= 0) |
1864 |
{ |
1865 |
mb[0] = ' '; |
1866 |
len = 1; |
1867 |
} |
1868 |
|
1869 |
fwrite (mb, 1, len, fd); |
1870 |
} |
1871 |
|
1872 |
fputc ('\n', fd); |
1873 |
} |
1874 |
|
1875 |
pclose_printer (fd); |
1876 |
#endif |
1877 |
} |
1878 |
|
1879 |
/* ------------------------------------------------------------------------- */ |
1880 |
/* |
1881 |
* Refresh the screen |
1882 |
* drawn_text/drawn_rend contain the screen information before the update. |
1883 |
* screen.text/screen.rend contain what the screen will change to. |
1884 |
*/ |
1885 |
void |
1886 |
rxvt_term::scr_refresh (unsigned char refresh_type) |
1887 |
{ |
1888 |
unsigned char must_clear, /* use draw_string not draw_image_string */ |
1889 |
showcursor; /* show the cursor */ |
1890 |
int16_t col, row, /* column/row we're processing */ |
1891 |
ocrow; /* old cursor row */ |
1892 |
int i; /* tmp */ |
1893 |
#ifndef NO_CURSORCOLOR |
1894 |
rend_t cc1; /* store colours at cursor position (s) */ |
1895 |
#endif |
1896 |
rend_t *crp; // cursor rendition pointer |
1897 |
|
1898 |
want_refresh = 0; /* screen is current */ |
1899 |
|
1900 |
if (refresh_type == NO_REFRESH || !mapped) |
1901 |
return; |
1902 |
|
1903 |
/* |
1904 |
* A: set up vars |
1905 |
*/ |
1906 |
must_clear = 0; |
1907 |
refresh_count = 0; |
1908 |
|
1909 |
#if XPM_BACKGROUND |
1910 |
must_clear |= bgPixmap.pixmap != None; |
1911 |
#endif |
1912 |
#if TRANSPARENT |
1913 |
must_clear |= (options & Opt_transparent) && am_transparent; |
1914 |
#endif |
1915 |
ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ |
1916 |
|
1917 |
/* |
1918 |
* B: reverse any characters which are selected |
1919 |
*/ |
1920 |
scr_reverse_selection (); |
1921 |
|
1922 |
/* |
1923 |
* C: set the cursor character (s) |
1924 |
*/ |
1925 |
{ |
1926 |
unsigned char setoldcursor; |
1927 |
rend_t ccol1, /* Cursor colour */ |
1928 |
ccol2; /* Cursor colour2 */ |
1929 |
|
1930 |
showcursor = (screen.flags & Screen_VisibleCursor); |
1931 |
#ifdef CURSOR_BLINK |
1932 |
if (hidden_cursor) |
1933 |
showcursor = 0; |
1934 |
#endif |
1935 |
|
1936 |
if (showcursor) |
1937 |
{ |
1938 |
int col = screen.cur.col; |
1939 |
|
1940 |
while (col && ROW(screen.cur.row).t[col] == NOCHAR) |
1941 |
col--; |
1942 |
|
1943 |
crp = &ROW(screen.cur.row).r[col]; |
1944 |
|
1945 |
if (showcursor && focus) |
1946 |
{ |
1947 |
if (options & Opt_cursorUnderline) |
1948 |
*crp ^= RS_Uline; |
1949 |
else |
1950 |
{ |
1951 |
*crp ^= RS_RVid; |
1952 |
|
1953 |
#ifndef NO_CURSORCOLOR |
1954 |
cc1 = *crp & (RS_fgMask | RS_bgMask); |
1955 |
if (ISSET_PIXCOLOR (Color_cursor)) |
1956 |
ccol1 = Color_cursor; |
1957 |
else |
1958 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
1959 |
ccol1 = GET_FGCOLOR (rstyle); |
1960 |
#else |
1961 |
ccol1 = Color_fg; |
1962 |
#endif |
1963 |
if (ISSET_PIXCOLOR (Color_cursor2)) |
1964 |
ccol2 = Color_cursor2; |
1965 |
else |
1966 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
1967 |
ccol2 = GET_BGCOLOR (rstyle); |
1968 |
#else |
1969 |
ccol2 = Color_bg; |
1970 |
#endif |
1971 |
*crp = SET_FGCOLOR (*crp, ccol1); |
1972 |
*crp = SET_BGCOLOR (*crp, ccol2); |
1973 |
#endif |
1974 |
} |
1975 |
} |
1976 |
} |
1977 |
|
1978 |
/* make sure no outline cursor is left around */ |
1979 |
setoldcursor = 0; |
1980 |
if (ocrow != -1) |
1981 |
{ |
1982 |
if (screen.cur.row + view_start != ocrow |
1983 |
|| screen.cur.col != oldcursor.col) |
1984 |
{ |
1985 |
if (ocrow < nrow |
1986 |
&& oldcursor.col < ncol) |
1987 |
drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); |
1988 |
|
1989 |
if (focus || !showcursor) |
1990 |
oldcursor.row = -1; |
1991 |
else |
1992 |
setoldcursor = 1; |
1993 |
} |
1994 |
} |
1995 |
else if (!focus) |
1996 |
setoldcursor = 1; |
1997 |
|
1998 |
if (setoldcursor) |
1999 |
{ |
2000 |
if (screen.cur.row + view_start >= nrow) |
2001 |
oldcursor.row = -1; |
2002 |
else |
2003 |
{ |
2004 |
oldcursor.row = screen.cur.row + view_start; |
2005 |
oldcursor.col = screen.cur.col; |
2006 |
} |
2007 |
} |
2008 |
} |
2009 |
|
2010 |
#if ENABLE_OVERLAY |
2011 |
scr_swap_overlay (); |
2012 |
#endif |
2013 |
|
2014 |
#ifndef NO_SLOW_LINK_SUPPORT |
2015 |
/* |
2016 |
* D: CopyArea pass - very useful for slower links |
2017 |
* This has been deliberately kept simple. |
2018 |
*/ |
2019 |
i = num_scr; |
2020 |
if (!display->is_local |
2021 |
&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr |
2022 |
&& abs (num_scr) < nrow && !must_clear) |
2023 |
{ |
2024 |
int16_t nits; |
2025 |
int j; |
2026 |
int len, wlen; |
2027 |
|
2028 |
j = nrow; |
2029 |
wlen = len = -1; |
2030 |
row = i > 0 ? 0 : j - 1; |
2031 |
for (; j-- >= 0; row += (i > 0 ? 1 : -1)) |
2032 |
{ |
2033 |
if (row + i >= 0 && row + i < nrow && row + i != ocrow) |
2034 |
{ |
2035 |
line_t s = ROW(row - view_start); |
2036 |
line_t d = drawn_buf[row]; |
2037 |
line_t d2 = drawn_buf[row + i]; |
2038 |
|
2039 |
for (nits = 0, col = ncol; col--; ) |
2040 |
if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) |
2041 |
nits--; |
2042 |
else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) |
2043 |
nits++; |
2044 |
|
2045 |
if (nits > 8) /* XXX: arbitrary choice */ |
2046 |
{ |
2047 |
for (col = ncol; col--; ) |
2048 |
{ |
2049 |
*d.t++ = *d2.t++; |
2050 |
*d.r++ = *d2.r++; |
2051 |
} |
2052 |
|
2053 |
if (len == -1) |
2054 |
len = row; |
2055 |
|
2056 |
wlen = row; |
2057 |
continue; |
2058 |
} |
2059 |
} |
2060 |
|
2061 |
if (len != -1) |
2062 |
{ |
2063 |
/* also comes here at end if needed because of >= above */ |
2064 |
if (wlen < len) |
2065 |
::swap (wlen, len); |
2066 |
|
2067 |
XCopyArea (display->display, vt, vt, |
2068 |
gc, 0, Row2Pixel (len + i), |
2069 |
(unsigned int)TermWin_TotalWidth (), |
2070 |
(unsigned int)Height2Pixel (wlen - len + 1), |
2071 |
0, Row2Pixel (len)); |
2072 |
len = -1; |
2073 |
} |
2074 |
} |
2075 |
} |
2076 |
#endif |
2077 |
|
2078 |
/* |
2079 |
* E: main pass across every character |
2080 |
*/ |
2081 |
for (row = 0; row < nrow; row++) |
2082 |
{ |
2083 |
text_t *stp = ROW(row - view_start).t; |
2084 |
rend_t *srp = ROW(row - view_start).r; |
2085 |
text_t *dtp = drawn_buf[row].t; |
2086 |
rend_t *drp = drawn_buf[row].r; |
2087 |
|
2088 |
/* |
2089 |
* E2: OK, now the real pass |
2090 |
*/ |
2091 |
int ypixel = (int)Row2Pixel (row); |
2092 |
|
2093 |
for (col = 0; col < ncol; col++) |
2094 |
{ |
2095 |
/* compare new text with old - if exactly the same then continue */ |
2096 |
if (stp[col] == dtp[col] /* Must match characters to skip. */ |
2097 |
&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */ |
2098 |
|| (stp[col] == ' ' /* space w/ no background change */ |
2099 |
&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col])))) |
2100 |
continue; |
2101 |
|
2102 |
// redraw one or more characters |
2103 |
|
2104 |
// seek to the beginning of wide characters |
2105 |
while (stp[col] == NOCHAR && col > 0) |
2106 |
--col; |
2107 |
|
2108 |
rend_t rend = srp[col]; /* screen rendition (target rendtion) */ |
2109 |
text_t *text = stp + col; |
2110 |
int count = 1; |
2111 |
|
2112 |
dtp[col] = stp[col]; |
2113 |
drp[col] = rend; |
2114 |
|
2115 |
int xpixel = Col2Pixel (col); |
2116 |
|
2117 |
for (i = 0; ++col < ncol; ) |
2118 |
{ |
2119 |
if (stp[col] == NOCHAR) |
2120 |
{ |
2121 |
dtp[col] = stp[col]; |
2122 |
drp[col] = rend; |
2123 |
count++; |
2124 |
i++; |
2125 |
|
2126 |
continue; |
2127 |
} |
2128 |
|
2129 |
if (!RS_SAME (rend, srp[col])) |
2130 |
break; |
2131 |
|
2132 |
count++; |
2133 |
|
2134 |
if (stp[col] != dtp[col] |
2135 |
|| !RS_SAME (srp[col], drp[col])) |
2136 |
{ |
2137 |
if (must_clear && (i++ > count / 2)) |
2138 |
break; |
2139 |
|
2140 |
dtp[col] = stp[col]; |
2141 |
drp[col] = rend; |
2142 |
i = 0; |
2143 |
} |
2144 |
else if (must_clear || (stp[col] != ' ' && ++i >= 16)) |
2145 |
break; |
2146 |
} |
2147 |
|
2148 |
col--; /* went one too far. move back */ |
2149 |
count -= i; /* dump any matching trailing chars */ |
2150 |
|
2151 |
// sometimes we optimize away the trailing NOCHAR's, add them back |
2152 |
while (i && text[count] == NOCHAR) |
2153 |
count++, i--; |
2154 |
|
2155 |
/* |
2156 |
* Determine the attributes for the string |
2157 |
*/ |
2158 |
int fore = GET_FGCOLOR (rend); // desired foreground |
2159 |
int back = GET_BGCOLOR (rend); // desired background |
2160 |
|
2161 |
// only do special processing if any attributes are set, which is rare |
2162 |
if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) |
2163 |
{ |
2164 |
#if ENABLE_STYLES |
2165 |
// force redraw after "careful" characters to avoid pixel droppings |
2166 |
if (srp[col] & RS_Careful && col < ncol - 1 && 0) |
2167 |
drp[col + 1] = ~srp[col + 1]; |
2168 |
|
2169 |
// include previous careful character(s) if possible, looks nicer (best effort...) |
2170 |
while (text > stp |
2171 |
&& srp[text - stp - 1] & RS_Careful |
2172 |
&& RS_SAME (rend, srp[text - stp - 1])) |
2173 |
text--, count++, xpixel -= fwidth; |
2174 |
#endif |
2175 |
|
2176 |
bool invert = rend & RS_RVid; |
2177 |
|
2178 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2179 |
if (rend & RS_Bold |
2180 |
&& fore == Color_fg) |
2181 |
{ |
2182 |
if (ISSET_PIXCOLOR (Color_BD)) |
2183 |
fore = Color_BD; |
2184 |
# if !ENABLE_STYLES |
2185 |
else |
2186 |
invert = !invert; |
2187 |
# endif |
2188 |
} |
2189 |
|
2190 |
if (rend & RS_Italic |
2191 |
&& fore == Color_fg) |
2192 |
{ |
2193 |
if (ISSET_PIXCOLOR (Color_IT)) |
2194 |
fore = Color_IT; |
2195 |
# if !ENABLE_STYLES |
2196 |
else |
2197 |
invert = !invert; |
2198 |
# endif |
2199 |
} |
2200 |
|
2201 |
if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL)) |
2202 |
fore = Color_UL; |
2203 |
#endif |
2204 |
|
2205 |
if (invert) |
2206 |
{ |
2207 |
::swap (fore, back); |
2208 |
|
2209 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2210 |
if (ISSET_PIXCOLOR (Color_RV)) |
2211 |
back = Color_RV; |
2212 |
|
2213 |
if (fore == back) |
2214 |
{ |
2215 |
fore = Color_bg; |
2216 |
back = Color_fg; |
2217 |
} |
2218 |
#endif |
2219 |
} |
2220 |
|
2221 |
#ifdef TEXT_BLINK |
2222 |
if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) |
2223 |
{ |
2224 |
if (!text_blink_ev.active) |
2225 |
{ |
2226 |
text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); |
2227 |
hidden_text = 0; |
2228 |
} |
2229 |
else if (hidden_text) |
2230 |
fore = back; |
2231 |
} |
2232 |
#endif |
2233 |
} |
2234 |
|
2235 |
/* |
2236 |
* Actually do the drawing of the string here |
2237 |
*/ |
2238 |
rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; |
2239 |
|
2240 |
if (back == fore) |
2241 |
font->clear_rect (*drawable, xpixel, ypixel, |
2242 |
fwidth * count, fheight, |
2243 |
back); |
2244 |
else if (back == Color_bg) |
2245 |
{ |
2246 |
if (must_clear) |
2247 |
{ |
2248 |
CLEAR_CHARS (xpixel, ypixel, count); |
2249 |
|
2250 |
for (i = 0; i < count; i++) /* don't draw empty strings */ |
2251 |
if (text[i] != ' ') |
2252 |
{ |
2253 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, -1); |
2254 |
break; |
2255 |
} |
2256 |
} |
2257 |
else |
2258 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_bg); |
2259 |
} |
2260 |
else |
2261 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, back); |
2262 |
|
2263 |
if (rend & RS_Uline && font->descent > 1 && fore != back) |
2264 |
{ |
2265 |
#if ENABLE_FRILLS |
2266 |
if (ISSET_PIXCOLOR (Color_underline)) |
2267 |
XSetForeground (display->display, gc, pix_colors[Color_underline]); |
2268 |
else |
2269 |
#endif |
2270 |
XSetForeground (display->display, gc, pix_colors[fore]); |
2271 |
|
2272 |
XDrawLine (display->display, drawBuffer, gc, |
2273 |
xpixel, ypixel + font->ascent + 1, |
2274 |
xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); |
2275 |
} |
2276 |
} /* for (col....) */ |
2277 |
} /* for (row....) */ |
2278 |
|
2279 |
#if ENABLE_OVERLAY |
2280 |
scr_swap_overlay (); |
2281 |
#endif |
2282 |
|
2283 |
/* |
2284 |
* G: cleanup cursor and display outline cursor if necessary |
2285 |
*/ |
2286 |
if (showcursor) |
2287 |
{ |
2288 |
if (focus) |
2289 |
{ |
2290 |
if (options & Opt_cursorUnderline) |
2291 |
*crp ^= RS_Uline; |
2292 |
else |
2293 |
{ |
2294 |
*crp ^= RS_RVid; |
2295 |
#ifndef NO_CURSORCOLOR |
2296 |
*crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; |
2297 |
#endif |
2298 |
} |
2299 |
} |
2300 |
else if (oldcursor.row >= 0) |
2301 |
{ |
2302 |
int cursorwidth = 1; |
2303 |
int col = oldcursor.col; |
2304 |
|
2305 |
while (col && ROW(screen.cur.row).t[col] == NOCHAR) |
2306 |
col--; |
2307 |
|
2308 |
while (col + cursorwidth < ncol |
2309 |
&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR) |
2310 |
cursorwidth++; |
2311 |
|
2312 |
#ifndef NO_CURSORCOLOR |
2313 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2314 |
XSetForeground (display->display, gc, pix_colors[Color_cursor]); |
2315 |
#endif |
2316 |
|
2317 |
XDrawRectangle (display->display, drawBuffer, gc, |
2318 |
Col2Pixel (col), |
2319 |
Row2Pixel (oldcursor.row), |
2320 |
(unsigned int) (Width2Pixel (cursorwidth) - 1), |
2321 |
(unsigned int) (Height2Pixel (1) - lineSpace - 1)); |
2322 |
} |
2323 |
} |
2324 |
|
2325 |
/* |
2326 |
* H: cleanup selection |
2327 |
*/ |
2328 |
scr_reverse_selection (); |
2329 |
|
2330 |
if (refresh_type & SMOOTH_REFRESH) |
2331 |
XFlush (display->display); |
2332 |
|
2333 |
num_scr = 0; |
2334 |
num_scr_allow = 1; |
2335 |
} |
2336 |
|
2337 |
void |
2338 |
rxvt_term::scr_remap_chars (const line_t &l) |
2339 |
{ |
2340 |
if (!l.t) |
2341 |
return; |
2342 |
|
2343 |
for (int i = ncol; i--; ) |
2344 |
l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); |
2345 |
} |
2346 |
|
2347 |
void |
2348 |
rxvt_term::scr_remap_chars () |
2349 |
{ |
2350 |
for (int i = total_rows; i--; ) |
2351 |
scr_remap_chars (row_buf [i]); |
2352 |
|
2353 |
for (int i = nrow; i--; ) |
2354 |
{ |
2355 |
scr_remap_chars (drawn_buf [i]); |
2356 |
scr_remap_chars (swap_buf [i]); |
2357 |
} |
2358 |
} |
2359 |
|
2360 |
void |
2361 |
rxvt_term::scr_recolour () |
2362 |
{ |
2363 |
if (1 |
2364 |
#if TRANSPARENT |
2365 |
&& !am_transparent |
2366 |
#endif |
2367 |
#if XPM_BACKGROUND |
2368 |
&& !bgPixmap.pixmap |
2369 |
#endif |
2370 |
) |
2371 |
{ |
2372 |
XSetWindowBackground (display->display, parent[0], pix_colors[Color_border]); |
2373 |
XClearWindow (display->display, parent[0]); |
2374 |
XSetWindowBackground (display->display, vt, pix_colors[Color_bg]); |
2375 |
#if HAVE_SCROLLBARS |
2376 |
if (scrollBar.win) |
2377 |
{ |
2378 |
XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]); |
2379 |
scrollBar.setIdle (); |
2380 |
scrollbar_show (0); |
2381 |
} |
2382 |
#endif |
2383 |
} |
2384 |
|
2385 |
scr_clear (); |
2386 |
scr_touch (true); |
2387 |
want_refresh = 1; |
2388 |
} |
2389 |
|
2390 |
/* ------------------------------------------------------------------------- */ |
2391 |
void |
2392 |
rxvt_term::scr_clear (bool really) |
2393 |
{ |
2394 |
if (!mapped) |
2395 |
return; |
2396 |
|
2397 |
num_scr_allow = 0; |
2398 |
want_refresh = 1; |
2399 |
|
2400 |
if (really) |
2401 |
XClearWindow (display->display, vt); |
2402 |
} |
2403 |
|
2404 |
/* ------------------------------------------------------------------------- */ |
2405 |
void |
2406 |
rxvt_term::scr_reverse_selection () |
2407 |
{ |
2408 |
if (selection.op |
2409 |
&& current_screen == selection.screen |
2410 |
&& selection.end.row >= -view_start) |
2411 |
{ |
2412 |
int view_end = -view_start + nrow; |
2413 |
int row, col; |
2414 |
|
2415 |
#if ENABLE_FRILLS |
2416 |
if (selection.rect) |
2417 |
{ |
2418 |
for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) |
2419 |
for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) |
2420 |
srp[col] ^= RS_RVid; |
2421 |
} |
2422 |
else |
2423 |
#endif |
2424 |
{ |
2425 |
if (selection.beg.row >= -view_start) |
2426 |
{ |
2427 |
col = selection.beg.col; |
2428 |
row = selection.beg.row; |
2429 |
} |
2430 |
else |
2431 |
{ |
2432 |
col = 0; |
2433 |
row = view_start; |
2434 |
} |
2435 |
|
2436 |
for (; row < min (selection.end.row, view_end); row++, col = 0) |
2437 |
for (rend_t *srp = ROW(row).r; col < ncol; col++) |
2438 |
srp[col] ^= RS_RVid; |
2439 |
|
2440 |
if (row == selection.end.row) |
2441 |
for (rend_t *srp = ROW(row).r; col < selection.end.col; col++) |
2442 |
srp[col] ^= RS_RVid; |
2443 |
} |
2444 |
} |
2445 |
} |
2446 |
|
2447 |
/* ------------------------------------------------------------------------- */ |
2448 |
/* |
2449 |
* Dump the whole scrollback and screen to the passed filedescriptor. The |
2450 |
* invoking routine must close the fd. |
2451 |
*/ |
2452 |
#if 0 |
2453 |
void |
2454 |
rxvt_term::scr_dump (int fd) |
2455 |
{ |
2456 |
int row, wrote; |
2457 |
unsigned int width, towrite; |
2458 |
char r1[] = "\n"; |
2459 |
|
2460 |
for (row = saveLines - nsaved; |
2461 |
row < saveLines + nrow - 1; row++) |
2462 |
{ |
2463 |
width = row_buf[row].l >= 0 ? row_buf[row].l |
2464 |
: ncol; |
2465 |
for (towrite = width; towrite; towrite -= wrote) |
2466 |
{ |
2467 |
wrote = write (fd, & (row_buf[row].t[width - towrite]), |
2468 |
towrite); |
2469 |
if (wrote < 0) |
2470 |
return; /* XXX: death, no report */ |
2471 |
} |
2472 |
if (row_buf[row].l >= 0) |
2473 |
if (write (fd, r1, 1) <= 0) |
2474 |
return; /* XXX: death, no report */ |
2475 |
} |
2476 |
} |
2477 |
#endif |
2478 |
|
2479 |
/* ------------------------------------------------------------------------- * |
2480 |
* CHARACTER SELECTION * |
2481 |
* ------------------------------------------------------------------------- */ |
2482 |
void |
2483 |
rxvt_term::selection_check (int check_more) |
2484 |
{ |
2485 |
row_col_t pos; |
2486 |
|
2487 |
if (!selection.op) |
2488 |
return; |
2489 |
|
2490 |
pos.row = pos.col = 0; |
2491 |
if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) |
2492 |
|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) |
2493 |
|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) |
2494 |
|| (check_more == 1 |
2495 |
&& current_screen == selection.screen |
2496 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
2497 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end)) |
2498 |
|| (check_more == 2 |
2499 |
&& ROWCOL_IS_BEFORE (selection.beg, pos) |
2500 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
2501 |
|| (check_more == 3 |
2502 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
2503 |
|| (check_more == 4 /* screen width change */ |
2504 |
&& (selection.beg.row != selection.end.row |
2505 |
|| selection.end.col > ncol))) |
2506 |
CLEAR_SELECTION (); |
2507 |
} |
2508 |
|
2509 |
/* ------------------------------------------------------------------------- */ |
2510 |
/* |
2511 |
* Paste a selection direct to the command fd |
2512 |
*/ |
2513 |
void |
2514 |
rxvt_term::paste (unsigned char *data, unsigned int len) |
2515 |
{ |
2516 |
/* convert normal newline chars into common keyboard Return key sequence */ |
2517 |
for (unsigned int i = 0; i < len; i++) |
2518 |
if (data[i] == C0_LF) |
2519 |
data[i] = C0_CR; |
2520 |
|
2521 |
tt_write (data, len); |
2522 |
} |
2523 |
|
2524 |
/* ------------------------------------------------------------------------- */ |
2525 |
/* |
2526 |
* Respond to a notification that a primary selection has been sent |
2527 |
* EXT: SelectionNotify |
2528 |
*/ |
2529 |
void |
2530 |
rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) |
2531 |
{ |
2532 |
if (prop == None) /* check for failed XConvertSelection */ |
2533 |
{ |
2534 |
if ((selection_type & Sel_CompoundText)) |
2535 |
{ |
2536 |
int selnum = selection_type & Sel_whereMask; |
2537 |
|
2538 |
selection_type = 0; |
2539 |
if (selnum != Sel_direct) |
2540 |
selection_request_other (XA_STRING, selnum); |
2541 |
} |
2542 |
|
2543 |
if ((selection_type & Sel_UTF8String)) |
2544 |
{ |
2545 |
int selnum = selection_type & Sel_whereMask; |
2546 |
|
2547 |
selection_type = Sel_CompoundText; |
2548 |
if (selnum != Sel_direct) |
2549 |
selection_request_other (xa[XA_COMPOUND_TEXT], selnum); |
2550 |
else |
2551 |
selection_type = 0; |
2552 |
} |
2553 |
|
2554 |
return; |
2555 |
} |
2556 |
|
2557 |
unsigned long bytes_after; |
2558 |
XTextProperty ct; |
2559 |
|
2560 |
if (XGetWindowProperty (display->display, win, prop, |
2561 |
0, PROP_SIZE / 4, |
2562 |
delete_prop, AnyPropertyType, |
2563 |
&ct.encoding, &ct.format, |
2564 |
&ct.nitems, &bytes_after, |
2565 |
&ct.value) != Success) |
2566 |
{ |
2567 |
ct.value = 0; |
2568 |
goto bailout; |
2569 |
} |
2570 |
|
2571 |
if (ct.encoding == None) |
2572 |
goto bailout; |
2573 |
|
2574 |
if (bytes_after) |
2575 |
{ |
2576 |
// fetch and append remaining data |
2577 |
XTextProperty ct2; |
2578 |
|
2579 |
if (XGetWindowProperty (display->display, win, prop, |
2580 |
ct.nitems / 4, (bytes_after + 3) / 4, |
2581 |
delete_prop, AnyPropertyType, |
2582 |
&ct2.encoding, &ct2.format, |
2583 |
&ct2.nitems, &bytes_after, |
2584 |
&ct2.value) != Success) |
2585 |
goto bailout; |
2586 |
|
2587 |
// realloc should be compatible to XFree, here, and elsewhere, too |
2588 |
ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1); |
2589 |
memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1); |
2590 |
ct.nitems += ct2.nitems; |
2591 |
|
2592 |
XFree (ct2.value); |
2593 |
} |
2594 |
|
2595 |
if (ct.value == 0) |
2596 |
goto bailout; |
2597 |
|
2598 |
if (ct.encoding == xa[XA_INCR]) |
2599 |
{ |
2600 |
// INCR selection, start handshake |
2601 |
if (!delete_prop) |
2602 |
XDeleteProperty (display->display, win, prop); |
2603 |
|
2604 |
selection_wait = Sel_incr; |
2605 |
incr_buf_fill = 0; |
2606 |
incr_ev.start (NOW + 10); |
2607 |
|
2608 |
goto bailout; |
2609 |
} |
2610 |
|
2611 |
if (ct.nitems == 0) |
2612 |
{ |
2613 |
if (selection_wait == Sel_incr) |
2614 |
{ |
2615 |
XFree (ct.value); |
2616 |
|
2617 |
// finally complete, now paste the whole thing |
2618 |
selection_wait = Sel_normal; |
2619 |
ct.value = (unsigned char *)incr_buf; |
2620 |
ct.nitems = incr_buf_fill; |
2621 |
incr_buf = 0; |
2622 |
incr_buf_size = 0; |
2623 |
incr_ev.stop (); |
2624 |
} |
2625 |
else |
2626 |
{ |
2627 |
if (selection_wait == Sel_normal |
2628 |
&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion |
2629 |
{ |
2630 |
/* |
2631 |
* pass through again trying CUT_BUFFER0 if we've come from |
2632 |
* XConvertSelection () but nothing was presented |
2633 |
*/ |
2634 |
selection_paste (display->root, XA_CUT_BUFFER0, False); |
2635 |
} |
2636 |
|
2637 |
goto bailout; |
2638 |
} |
2639 |
} |
2640 |
else if (selection_wait == Sel_incr) |
2641 |
{ |
2642 |
incr_ev.start (NOW + 10); |
2643 |
|
2644 |
while (incr_buf_fill + ct.nitems > incr_buf_size) |
2645 |
{ |
2646 |
incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024; |
2647 |
incr_buf = (char *)realloc (incr_buf, incr_buf_size); |
2648 |
} |
2649 |
|
2650 |
memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems); |
2651 |
incr_buf_fill += ct.nitems; |
2652 |
|
2653 |
goto bailout; |
2654 |
} |
2655 |
|
2656 |
char **cl; |
2657 |
int cr; |
2658 |
|
2659 |
#if ENABLE_FRILLS |
2660 |
// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it |
2661 |
// so recode it manually |
2662 |
if (ct.encoding == xa[XA_UTF8_STRING]) |
2663 |
{ |
2664 |
wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); |
2665 |
char *s = rxvt_wcstombs (w); |
2666 |
free (w); |
2667 |
// TODO: strlen == only the first element will be converted. well... |
2668 |
paste ((unsigned char *)s, strlen (s)); |
2669 |
free (s); |
2670 |
} |
2671 |
else |
2672 |
#endif |
2673 |
if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 |
2674 |
&& cl) |
2675 |
{ |
2676 |
for (int i = 0; i < cr; i++) |
2677 |
paste ((unsigned char *)cl[i], strlen (cl[i])); |
2678 |
|
2679 |
XFreeStringList (cl); |
2680 |
} |
2681 |
else |
2682 |
paste (ct.value, ct.nitems); // paste raw |
2683 |
|
2684 |
bailout: |
2685 |
XFree (ct.value); |
2686 |
|
2687 |
if (selection_wait == Sel_normal) |
2688 |
selection_wait = Sel_none; |
2689 |
} |
2690 |
|
2691 |
void |
2692 |
rxvt_term::incr_cb (time_watcher &w) |
2693 |
{ |
2694 |
selection_wait = Sel_none; |
2695 |
|
2696 |
incr_buf_size = 0; |
2697 |
free (incr_buf); |
2698 |
|
2699 |
rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); |
2700 |
} |
2701 |
|
2702 |
void |
2703 |
rxvt_term::selection_property (Window win, Atom prop) |
2704 |
{ |
2705 |
if (prop == None || selection_wait != Sel_incr) |
2706 |
return; |
2707 |
|
2708 |
selection_paste (win, prop, true); |
2709 |
} |
2710 |
|
2711 |
/* ------------------------------------------------------------------------- */ |
2712 |
/* |
2713 |
* Request the current selection: |
2714 |
* Order: > internal selection if available |
2715 |
* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) |
2716 |
* > CUT_BUFFER0 |
2717 |
* (+) if ownership is claimed but property is empty, rxvt_selection_paste () |
2718 |
* will auto fallback to CUT_BUFFER0 |
2719 |
* EXT: button 2 release |
2720 |
*/ |
2721 |
void |
2722 |
rxvt_term::selection_request (Time tm, int x, int y) |
2723 |
{ |
2724 |
if (x < 0 || x >= width || y < 0 || y >= height) |
2725 |
return; /* outside window */ |
2726 |
|
2727 |
if (selection.text) |
2728 |
{ /* internal selection */ |
2729 |
char *str = rxvt_wcstombs (selection.text, selection.len); |
2730 |
paste ((unsigned char *)str, strlen (str)); |
2731 |
free (str); |
2732 |
return; |
2733 |
} |
2734 |
else |
2735 |
{ |
2736 |
int i; |
2737 |
|
2738 |
selection_request_time = tm; |
2739 |
selection_wait = Sel_normal; |
2740 |
|
2741 |
for (i = Sel_Primary; i <= Sel_Clipboard; i++) |
2742 |
{ |
2743 |
#if X_HAVE_UTF8_STRING |
2744 |
selection_type = Sel_UTF8String; |
2745 |
if (selection_request_other (xa[XA_UTF8_STRING], i)) |
2746 |
return; |
2747 |
#else |
2748 |
selection_type = Sel_CompoundText; |
2749 |
if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) |
2750 |
return; |
2751 |
#endif |
2752 |
} |
2753 |
} |
2754 |
|
2755 |
selection_wait = Sel_none; /* don't loop in selection_paste () */ |
2756 |
selection_paste (display->root, XA_CUT_BUFFER0, false); |
2757 |
} |
2758 |
|
2759 |
int |
2760 |
rxvt_term::selection_request_other (Atom target, int selnum) |
2761 |
{ |
2762 |
Atom sel; |
2763 |
|
2764 |
selection_type |= selnum; |
2765 |
|
2766 |
if (selnum == Sel_Primary) |
2767 |
sel = XA_PRIMARY; |
2768 |
else if (selnum == Sel_Secondary) |
2769 |
sel = XA_SECONDARY; |
2770 |
else |
2771 |
sel = xa[XA_CLIPBOARD]; |
2772 |
|
2773 |
if (XGetSelectionOwner (display->display, sel) != None) |
2774 |
{ |
2775 |
XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION], |
2776 |
vt, selection_request_time); |
2777 |
return 1; |
2778 |
} |
2779 |
|
2780 |
return 0; |
2781 |
} |
2782 |
|
2783 |
/* ------------------------------------------------------------------------- */ |
2784 |
/* |
2785 |
* Clear all selected text |
2786 |
* EXT: SelectionClear |
2787 |
*/ |
2788 |
void |
2789 |
rxvt_term::selection_clear () |
2790 |
{ |
2791 |
want_refresh = 1; |
2792 |
free (selection.text); |
2793 |
selection.text = NULL; |
2794 |
selection.len = 0; |
2795 |
CLEAR_SELECTION (); |
2796 |
|
2797 |
if (display->selection_owner == this) |
2798 |
display->selection_owner = 0; |
2799 |
} |
2800 |
|
2801 |
/* ------------------------------------------------------------------------- */ |
2802 |
/* |
2803 |
* Copy a selection into the cut buffer |
2804 |
* EXT: button 1 or 3 release |
2805 |
*/ |
2806 |
void |
2807 |
rxvt_term::selection_make (Time tm) |
2808 |
{ |
2809 |
int i; |
2810 |
wchar_t *new_selection_text; |
2811 |
text_t *t; |
2812 |
|
2813 |
switch (selection.op) |
2814 |
{ |
2815 |
case SELECTION_CONT: |
2816 |
break; |
2817 |
case SELECTION_INIT: |
2818 |
CLEAR_SELECTION (); |
2819 |
/* FALLTHROUGH */ |
2820 |
case SELECTION_BEGIN: |
2821 |
selection.op = SELECTION_DONE; |
2822 |
/* FALLTHROUGH */ |
2823 |
default: |
2824 |
return; |
2825 |
} |
2826 |
|
2827 |
selection.op = SELECTION_DONE; |
2828 |
|
2829 |
if (selection.clicks == 4) |
2830 |
return; /* nothing selected, go away */ |
2831 |
|
2832 |
i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); |
2833 |
new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); |
2834 |
|
2835 |
int ofs = 0; |
2836 |
int extra = 0; |
2837 |
|
2838 |
int col = selection.beg.col; |
2839 |
int row = selection.beg.row; |
2840 |
|
2841 |
int end_col; |
2842 |
|
2843 |
for (; row <= selection.end.row; row++, col = 0) |
2844 |
{ |
2845 |
#if ENABLE_FRILLS |
2846 |
if (selection.rect) |
2847 |
{ |
2848 |
col = selection.beg.col; |
2849 |
end_col = ncol + 1; |
2850 |
} |
2851 |
else |
2852 |
#endif |
2853 |
end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN |
2854 |
|
2855 |
col = max (col, 0); |
2856 |
|
2857 |
if (row == selection.end.row || selection.rect) |
2858 |
end_col = min (end_col, selection.end.col); |
2859 |
|
2860 |
t = ROW(row).t + col; |
2861 |
for (; col < end_col; col++) |
2862 |
{ |
2863 |
if (*t == NOCHAR) |
2864 |
t++; |
2865 |
#if ENABLE_COMBINING |
2866 |
else if (IS_COMPOSE (*t)) |
2867 |
{ |
2868 |
int len = rxvt_composite.expand (*t, 0); |
2869 |
|
2870 |
extra -= (len - 1); |
2871 |
|
2872 |
if (extra < 0) |
2873 |
{ |
2874 |
extra += i; |
2875 |
i += i; |
2876 |
new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); |
2877 |
} |
2878 |
|
2879 |
ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); |
2880 |
} |
2881 |
#endif |
2882 |
else |
2883 |
new_selection_text[ofs++] = *t++; |
2884 |
} |
2885 |
|
2886 |
if (!ROW(row).is_longer () && row != selection.end.row) |
2887 |
new_selection_text[ofs++] = C0_LF; |
2888 |
} |
2889 |
|
2890 |
if (end_col != selection.end.col) |
2891 |
new_selection_text[ofs++] = C0_LF; |
2892 |
|
2893 |
new_selection_text[ofs] = 0; |
2894 |
|
2895 |
if (ofs == 0) |
2896 |
{ |
2897 |
free (new_selection_text); |
2898 |
return; |
2899 |
} |
2900 |
|
2901 |
free (selection.text); |
2902 |
|
2903 |
// we usually allocate much more than necessary, so realloc it smaller again |
2904 |
selection.len = ofs; |
2905 |
selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); |
2906 |
|
2907 |
XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); |
2908 |
if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) |
2909 |
display->set_selection_owner (this); |
2910 |
else |
2911 |
rxvt_warn ("can't get primary selection, ignoring.\n"); |
2912 |
|
2913 |
#if 0 |
2914 |
XTextProperty ct; |
2915 |
|
2916 |
if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) |
2917 |
{ |
2918 |
set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); |
2919 |
XFree (ct.value); |
2920 |
} |
2921 |
#endif |
2922 |
|
2923 |
selection_time = tm; |
2924 |
} |
2925 |
|
2926 |
/* ------------------------------------------------------------------------- */ |
2927 |
/* |
2928 |
* Mark or select text based upon number of clicks: 1, 2, or 3 |
2929 |
* EXT: button 1 press |
2930 |
*/ |
2931 |
void |
2932 |
rxvt_term::selection_click (int clicks, int x, int y) |
2933 |
{ |
2934 |
clicks = ((clicks - 1) % 3) + 1; |
2935 |
selection.clicks = clicks; /* save clicks so extend will work */ |
2936 |
|
2937 |
selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); |
2938 |
|
2939 |
if (clicks == 2 || clicks == 3) |
2940 |
selection_extend_colrow (selection.mark.col, |
2941 |
selection.mark.row + view_start, |
2942 |
0, /* button 3 */ |
2943 |
1, /* button press */ |
2944 |
0); /* click change */ |
2945 |
} |
2946 |
|
2947 |
/* ------------------------------------------------------------------------- */ |
2948 |
/* |
2949 |
* Mark a selection at the specified col/row |
2950 |
*/ |
2951 |
void |
2952 |
rxvt_term::selection_start_colrow (int col, int row) |
2953 |
{ |
2954 |
want_refresh = 1; |
2955 |
|
2956 |
selection.mark.row = row - view_start; |
2957 |
selection.mark.col = col; |
2958 |
|
2959 |
selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); |
2960 |
selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); |
2961 |
|
2962 |
while (selection.mark.col > 0 |
2963 |
&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) |
2964 |
--selection.mark.col; |
2965 |
|
2966 |
if (selection.op) |
2967 |
{ /* clear the old selection */ |
2968 |
selection.beg.row = selection.end.row = selection.mark.row; |
2969 |
selection.beg.col = selection.end.col = selection.mark.col; |
2970 |
} |
2971 |
|
2972 |
selection.op = SELECTION_INIT; |
2973 |
selection.screen = current_screen; |
2974 |
} |
2975 |
|
2976 |
/* ------------------------------------------------------------------------- */ |
2977 |
/* |
2978 |
* Word select: select text for 2 clicks |
2979 |
* We now only find out the boundary in one direction |
2980 |
*/ |
2981 |
|
2982 |
/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ |
2983 |
#define DELIMIT_TEXT(x) \ |
2984 |
(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) |
2985 |
#define DELIMIT_REND(x) 1 |
2986 |
|
2987 |
void |
2988 |
rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) |
2989 |
{ |
2990 |
int col, row, dirnadd, tcol, trow, w1, w2; |
2991 |
row_col_t bound; |
2992 |
text_t *stp; |
2993 |
rend_t *srp; |
2994 |
|
2995 |
if (dirn == UP) |
2996 |
{ |
2997 |
bound.row = - nsaved - 1; |
2998 |
bound.col = 0; |
2999 |
dirnadd = -1; |
3000 |
} |
3001 |
else |
3002 |
{ |
3003 |
bound.row = nrow; |
3004 |
bound.col = ncol - 1; |
3005 |
dirnadd = 1; |
3006 |
} |
3007 |
|
3008 |
row = mark->row; |
3009 |
col = max (mark->col, 0); |
3010 |
|
3011 |
/* find the edge of a word */ |
3012 |
stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp); |
3013 |
srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp); |
3014 |
|
3015 |
for (;;) |
3016 |
{ |
3017 |
for (; col != bound.col; col += dirnadd) |
3018 |
{ |
3019 |
stp += dirnadd; |
3020 |
srp += dirnadd; |
3021 |
|
3022 |
if (*stp == NOCHAR) |
3023 |
continue; |
3024 |
|
3025 |
if (DELIMIT_TEXT (*stp) != w1) |
3026 |
break; |
3027 |
if (DELIMIT_REND (*srp) != w2) |
3028 |
break; |
3029 |
} |
3030 |
|
3031 |
if ((col == bound.col) && (row != bound.row)) |
3032 |
{ |
3033 |
if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ()) |
3034 |
{ |
3035 |
trow = row + dirnadd; |
3036 |
tcol = dirn == UP ? ncol - 1 : 0; |
3037 |
|
3038 |
if (!ROW(trow).t) |
3039 |
break; |
3040 |
|
3041 |
stp = ROW(trow).t + tcol; |
3042 |
srp = ROW(trow).r + tcol; |
3043 |
|
3044 |
if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) |
3045 |
break; |
3046 |
|
3047 |
row = trow; |
3048 |
col = tcol; |
3049 |
continue; |
3050 |
} |
3051 |
} |
3052 |
break; |
3053 |
} |
3054 |
|
3055 |
Old_Word_Selection_You_Die: |
3056 |
if (dirn == DN) |
3057 |
col++; /* put us on one past the end */ |
3058 |
|
3059 |
/* Poke the values back in */ |
3060 |
ret->row = row; |
3061 |
ret->col = col; |
3062 |
} |
3063 |
|
3064 |
/* ------------------------------------------------------------------------- */ |
3065 |
/* |
3066 |
* Extend the selection to the specified x/y pixel location |
3067 |
* EXT: button 3 press; button 1 or 3 drag |
3068 |
* flag == 0 ==> button 1 |
3069 |
* flag == 1 ==> button 3 press |
3070 |
* flag == 2 ==> button 3 motion |
3071 |
*/ |
3072 |
void |
3073 |
rxvt_term::selection_extend (int x, int y, int flag) |
3074 |
{ |
3075 |
int col = clamp (Pixel2Col (x), 0, ncol); |
3076 |
int row = clamp (Pixel2Row (y), 0, nrow - 1); |
3077 |
|
3078 |
/* |
3079 |
* If we're selecting characters (single click) then we must check first |
3080 |
* if we are at the same place as the original mark. If we are then |
3081 |
* select nothing. Otherwise, if we're to the right of the mark, you have to |
3082 |
* be _past_ a character for it to be selected. |
3083 |
*/ |
3084 |
if (((selection.clicks % 3) == 1) && !flag |
3085 |
&& (col == selection.mark.col |
3086 |
&& (row == selection.mark.row + view_start))) |
3087 |
{ |
3088 |
/* select nothing */ |
3089 |
selection.beg.row = selection.end.row = 0; |
3090 |
selection.beg.col = selection.end.col = 0; |
3091 |
selection.clicks = 4; |
3092 |
want_refresh = 1; |
3093 |
return; |
3094 |
} |
3095 |
|
3096 |
if (selection.clicks == 4) |
3097 |
selection.clicks = 1; |
3098 |
|
3099 |
selection_extend_colrow (col, row, !!flag, /* ? button 3 */ |
3100 |
flag == 1 ? 1 : 0, /* ? button press */ |
3101 |
0); /* no click change */ |
3102 |
} |
3103 |
|
3104 |
/* ------------------------------------------------------------------------- */ |
3105 |
/* |
3106 |
* Extend the selection to the specified col/row |
3107 |
*/ |
3108 |
void |
3109 |
rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) |
3110 |
{ |
3111 |
row_col_t pos; |
3112 |
enum { |
3113 |
LEFT, RIGHT |
3114 |
} closeto = RIGHT; |
3115 |
|
3116 |
want_refresh = 1; |
3117 |
|
3118 |
switch (selection.op) |
3119 |
{ |
3120 |
case SELECTION_INIT: |
3121 |
CLEAR_SELECTION (); |
3122 |
selection.op = SELECTION_BEGIN; |
3123 |
/* FALLTHROUGH */ |
3124 |
case SELECTION_BEGIN: |
3125 |
if (row != selection.mark.row || col != selection.mark.col |
3126 |
|| (!button3 && buttonpress)) |
3127 |
selection.op = SELECTION_CONT; |
3128 |
break; |
3129 |
case SELECTION_DONE: |
3130 |
selection.op = SELECTION_CONT; |
3131 |
/* FALLTHROUGH */ |
3132 |
case SELECTION_CONT: |
3133 |
break; |
3134 |
case SELECTION_CLEAR: |
3135 |
selection_start_colrow (col, row); |
3136 |
/* FALLTHROUGH */ |
3137 |
default: |
3138 |
return; |
3139 |
} |
3140 |
|
3141 |
if (selection.beg.col == selection.end.col |
3142 |
&& selection.beg.col != selection.mark.col |
3143 |
&& selection.beg.row == selection.end.row |
3144 |
&& selection.beg.row != selection.mark.row) |
3145 |
{ |
3146 |
selection.beg.col = selection.end.col = selection.mark.col; |
3147 |
selection.beg.row = selection.end.row = selection.mark.row; |
3148 |
} |
3149 |
|
3150 |
pos.col = col; |
3151 |
pos.row = row - view_start; |
3152 |
|
3153 |
/* |
3154 |
* This is mainly xterm style selection with a couple of differences, mainly |
3155 |
* in the way button3 drag extension works. |
3156 |
* We're either doing: button1 drag; button3 press; or button3 drag |
3157 |
* a) button1 drag : select around a midpoint/word/line - that point/word/line |
3158 |
* is always at the left/right edge of the selection. |
3159 |
* b) button3 press: extend/contract character/word/line at whichever edge of |
3160 |
* the selection we are closest to. |
3161 |
* c) button3 drag : extend/contract character/word/line - we select around |
3162 |
* a point/word/line which is either the start or end of the selection |
3163 |
* and it was decided by whichever point/word/line was `fixed' at the |
3164 |
* time of the most recent button3 press |
3165 |
*/ |
3166 |
if (button3 && buttonpress) |
3167 |
{ /* button3 press */ |
3168 |
/* |
3169 |
* first determine which edge of the selection we are closest to |
3170 |
*/ |
3171 |
if (ROWCOL_IS_BEFORE (pos, selection.beg) |
3172 |
|| (!ROWCOL_IS_AFTER (pos, selection.end) |
3173 |
&& (((pos.col - selection.beg.col) |
3174 |
+ ((pos.row - selection.beg.row) * ncol)) |
3175 |
< ((selection.end.col - pos.col) |
3176 |
+ ((selection.end.row - pos.row) * ncol))))) |
3177 |
closeto = LEFT; |
3178 |
|
3179 |
if (closeto == LEFT) |
3180 |
{ |
3181 |
selection.beg.row = pos.row; |
3182 |
selection.beg.col = pos.col; |
3183 |
selection.mark.row = selection.end.row; |
3184 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3185 |
} |
3186 |
else |
3187 |
{ |
3188 |
selection.end.row = pos.row; |
3189 |
selection.end.col = pos.col; |
3190 |
selection.mark.row = selection.beg.row; |
3191 |
selection.mark.col = selection.beg.col; |
3192 |
} |
3193 |
} |
3194 |
else |
3195 |
{ /* button1 drag or button3 drag */ |
3196 |
if (ROWCOL_IS_AFTER (selection.mark, pos)) |
3197 |
{ |
3198 |
if (selection.mark.row == selection.end.row |
3199 |
&& selection.mark.col == selection.end.col |
3200 |
&& clickchange |
3201 |
&& selection.clicks == 2) |
3202 |
selection.mark.col--; |
3203 |
|
3204 |
selection.beg.row = pos.row; |
3205 |
selection.beg.col = pos.col; |
3206 |
selection.end.row = selection.mark.row; |
3207 |
selection.end.col = selection.mark.col + (selection.clicks == 2); |
3208 |
} |
3209 |
else |
3210 |
{ |
3211 |
selection.beg.row = selection.mark.row; |
3212 |
selection.beg.col = selection.mark.col; |
3213 |
selection.end.row = pos.row; |
3214 |
selection.end.col = pos.col; |
3215 |
} |
3216 |
} |
3217 |
|
3218 |
if (selection.clicks == 1) |
3219 |
{ |
3220 |
if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN |
3221 |
&& !ROW(selection.beg.row).is_longer () |
3222 |
#if ENABLE_FRILLS |
3223 |
&& !selection.rect |
3224 |
#endif |
3225 |
) |
3226 |
selection.beg.col = ncol; |
3227 |
|
3228 |
if ( |
3229 |
selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN |
3230 |
&& !ROW(selection.end.row).is_longer () |
3231 |
#if ENABLE_FRILLS |
3232 |
&& !selection.rect |
3233 |
#endif |
3234 |
) |
3235 |
selection.end.col = ncol; |
3236 |
} |
3237 |
else if (selection.clicks == 2) |
3238 |
{ |
3239 |
if (ROWCOL_IS_AFTER (selection.end, selection.beg)) |
3240 |
selection.end.col--; |
3241 |
|
3242 |
selection_delimit_word (UP, &selection.beg, &selection.beg); |
3243 |
selection_delimit_word (DN, &selection.end, &selection.end); |
3244 |
} |
3245 |
else if (selection.clicks == 3) |
3246 |
{ |
3247 |
#if ENABLE_FRILLS |
3248 |
if (options & Opt_tripleclickwords) |
3249 |
{ |
3250 |
selection_delimit_word (UP, &selection.beg, &selection.beg); |
3251 |
|
3252 |
for (int end_row = selection.mark.row; end_row < nrow; end_row++) |
3253 |
{ |
3254 |
if (!ROW(end_row).is_longer ()) |
3255 |
{ |
3256 |
selection.end.row = end_row; |
3257 |
selection.end.col = ROW(end_row).l; |
3258 |
selection_remove_trailing_spaces (); |
3259 |
break; |
3260 |
} |
3261 |
} |
3262 |
} |
3263 |
else |
3264 |
#endif |
3265 |
{ |
3266 |
if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) |
3267 |
selection.mark.col++; |
3268 |
|
3269 |
selection.beg.col = 0; |
3270 |
selection.end.col = ncol; |
3271 |
|
3272 |
// select a complete logical line |
3273 |
while (selection.beg.row > -saveLines |
3274 |
&& ROW(selection.beg.row - 1).is_longer ()) |
3275 |
selection.beg.row--; |
3276 |
|
3277 |
while (selection.end.row < nrow |
3278 |
&& ROW(selection.end.row).is_longer ()) |
3279 |
selection.end.row++; |
3280 |
} |
3281 |
} |
3282 |
|
3283 |
if (button3 && buttonpress) |
3284 |
{ /* mark may need to be changed */ |
3285 |
if (closeto == LEFT) |
3286 |
{ |
3287 |
selection.mark.row = selection.end.row; |
3288 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3289 |
} |
3290 |
else |
3291 |
{ |
3292 |
selection.mark.row = selection.beg.row; |
3293 |
selection.mark.col = selection.beg.col; |
3294 |
} |
3295 |
} |
3296 |
|
3297 |
#if ENABLE_FRILLS |
3298 |
if (selection.rect && selection.beg.col > selection.end.col) |
3299 |
::swap (selection.beg.col, selection.end.col); |
3300 |
#endif |
3301 |
} |
3302 |
|
3303 |
#if ENABLE_FRILLS |
3304 |
void |
3305 |
rxvt_term::selection_remove_trailing_spaces () |
3306 |
{ |
3307 |
int32_t end_col, end_row; |
3308 |
text_t *stp; |
3309 |
|
3310 |
end_col = selection.end.col; |
3311 |
end_row = selection.end.row; |
3312 |
|
3313 |
for (; end_row >= selection.beg.row; ) |
3314 |
{ |
3315 |
stp = ROW(end_row).t; |
3316 |
|
3317 |
while (--end_col >= 0) |
3318 |
{ |
3319 |
if (stp[end_col] != ' ' |
3320 |
&& stp[end_col] != '\t' |
3321 |
&& stp[end_col] != NOCHAR) |
3322 |
break; |
3323 |
} |
3324 |
|
3325 |
if (end_col >= 0 |
3326 |
|| !ROW(end_row - 1).is_longer ()) |
3327 |
{ |
3328 |
selection.end.col = end_col + 1; |
3329 |
selection.end.row = end_row; |
3330 |
break; |
3331 |
} |
3332 |
|
3333 |
end_row--; |
3334 |
end_col = ncol; |
3335 |
} |
3336 |
|
3337 |
if (selection.mark.row > selection.end.row) |
3338 |
{ |
3339 |
selection.mark.row = selection.end.row; |
3340 |
selection.mark.col = selection.end.col; |
3341 |
} |
3342 |
else if (selection.mark.row == selection.end.row |
3343 |
&& selection.mark.col > selection.end.col) |
3344 |
selection.mark.col = selection.end.col; |
3345 |
} |
3346 |
#endif |
3347 |
|
3348 |
/* ------------------------------------------------------------------------- */ |
3349 |
/* |
3350 |
* Double click on button 3 when already selected |
3351 |
* EXT: button 3 double click |
3352 |
*/ |
3353 |
void |
3354 |
rxvt_term::selection_rotate (int x, int y) |
3355 |
{ |
3356 |
selection.clicks = selection.clicks % 3 + 1; |
3357 |
selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); |
3358 |
} |
3359 |
|
3360 |
/* ------------------------------------------------------------------------- */ |
3361 |
/* |
3362 |
* Respond to a request for our current selection |
3363 |
* EXT: SelectionRequest |
3364 |
*/ |
3365 |
void |
3366 |
rxvt_term::selection_send (const XSelectionRequestEvent &rq) |
3367 |
{ |
3368 |
XSelectionEvent ev; |
3369 |
dDisp; |
3370 |
|
3371 |
ev.type = SelectionNotify; |
3372 |
ev.property = None; |
3373 |
ev.display = rq.display; |
3374 |
ev.requestor = rq.requestor; |
3375 |
ev.selection = rq.selection; |
3376 |
ev.target = rq.target; |
3377 |
ev.time = rq.time; |
3378 |
|
3379 |
if (rq.target == xa[XA_TARGETS]) |
3380 |
{ |
3381 |
Atom target_list[6]; |
3382 |
Atom *target = target_list; |
3383 |
|
3384 |
*target++ = xa[XA_TARGETS]; |
3385 |
*target++ = xa[XA_TIMESTAMP]; |
3386 |
*target++ = XA_STRING; |
3387 |
*target++ = xa[XA_TEXT]; |
3388 |
*target++ = xa[XA_COMPOUND_TEXT]; |
3389 |
#if X_HAVE_UTF8_STRING |
3390 |
*target++ = xa[XA_UTF8_STRING]; |
3391 |
#endif |
3392 |
|
3393 |
XChangeProperty (disp, rq.requestor, rq.property, XA_ATOM, |
3394 |
32, PropModeReplace, |
3395 |
(unsigned char *)target_list, target - target_list); |
3396 |
ev.property = rq.property; |
3397 |
} |
3398 |
#if TODO // TODO |
3399 |
else if (rq.target == xa[XA_MULTIPLE]) |
3400 |
{ |
3401 |
/* TODO: Handle MULTIPLE */ |
3402 |
} |
3403 |
#endif |
3404 |
else if (rq.target == xa[XA_TIMESTAMP] && selection.text) |
3405 |
{ |
3406 |
XChangeProperty (disp, rq.requestor, rq.property, rq.target, |
3407 |
32, PropModeReplace, (unsigned char *)&selection_time, 1); |
3408 |
ev.property = rq.property; |
3409 |
} |
3410 |
else if (rq.target == XA_STRING |
3411 |
|| rq.target == xa[XA_TEXT] |
3412 |
|| rq.target == xa[XA_COMPOUND_TEXT] |
3413 |
|| rq.target == xa[XA_UTF8_STRING] |
3414 |
) |
3415 |
{ |
3416 |
XTextProperty ct; |
3417 |
Atom target = rq.target; |
3418 |
short freect = 0; |
3419 |
int selectlen; |
3420 |
wchar_t *cl; |
3421 |
enum { |
3422 |
enc_string = XStringStyle, |
3423 |
enc_text = XStdICCTextStyle, |
3424 |
enc_compound_text = XCompoundTextStyle, |
3425 |
#ifdef X_HAVE_UTF8_STRING |
3426 |
enc_utf8 = XUTF8StringStyle, |
3427 |
#else |
3428 |
enc_utf8 = -1, |
3429 |
#endif |
3430 |
} style; |
3431 |
|
3432 |
if (target == XA_STRING) |
3433 |
// we actually don't do XA_STRING, but who cares, as i18n clients |
3434 |
// will ask for another format anyways. |
3435 |
style = enc_string; |
3436 |
else if (target == xa[XA_TEXT]) |
3437 |
style = enc_text; |
3438 |
else if (target == xa[XA_COMPOUND_TEXT]) |
3439 |
style = enc_compound_text; |
3440 |
#if ENABLE_FRILLS |
3441 |
else if (target == xa[XA_UTF8_STRING]) |
3442 |
style = enc_utf8; |
3443 |
#endif |
3444 |
else |
3445 |
{ |
3446 |
target = xa[XA_COMPOUND_TEXT]; |
3447 |
style = enc_compound_text; |
3448 |
} |
3449 |
|
3450 |
if (selection.text) |
3451 |
{ |
3452 |
cl = selection.text; |
3453 |
selectlen = selection.len; |
3454 |
} |
3455 |
else |
3456 |
{ |
3457 |
cl = L""; |
3458 |
selectlen = 0; |
3459 |
} |
3460 |
|
3461 |
#if ENABLE_FRILLS |
3462 |
// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it |
3463 |
// so recode it manually |
3464 |
if (style == enc_utf8) |
3465 |
{ |
3466 |
freect = 1; |
3467 |
ct.encoding = target; |
3468 |
ct.format = 8; |
3469 |
ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen); |
3470 |
ct.nitems = strlen ((char *)ct.value); |
3471 |
} |
3472 |
else |
3473 |
#endif |
3474 |
if (XwcTextListToTextProperty (disp, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0) |
3475 |
freect = 1; |
3476 |
else |
3477 |
{ |
3478 |
/* if we failed to convert then send it raw */ |
3479 |
ct.value = (unsigned char *)cl; |
3480 |
ct.nitems = selectlen; |
3481 |
ct.encoding = target; |
3482 |
} |
3483 |
|
3484 |
XChangeProperty (disp, rq.requestor, rq.property, |
3485 |
ct.encoding, 8, PropModeReplace, |
3486 |
ct.value, (int)ct.nitems); |
3487 |
ev.property = rq.property; |
3488 |
|
3489 |
if (freect) |
3490 |
XFree (ct.value); |
3491 |
} |
3492 |
|
3493 |
XSendEvent (disp, rq.requestor, False, 0L, (XEvent *)&ev); |
3494 |
} |
3495 |
|
3496 |
/* ------------------------------------------------------------------------- * |
3497 |
* MOUSE ROUTINES * |
3498 |
* ------------------------------------------------------------------------- */ |
3499 |
|
3500 |
/* |
3501 |
* return col/row values corresponding to x/y pixel values |
3502 |
*/ |
3503 |
void |
3504 |
rxvt_term::pixel_position (int *x, int *y) |
3505 |
{ |
3506 |
*x = Pixel2Col (*x); |
3507 |
/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */ |
3508 |
*y = Pixel2Row (*y); |
3509 |
/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */ |
3510 |
} |
3511 |
|
3512 |
/* ------------------------------------------------------------------------- */ |
3513 |
#ifdef USE_XIM |
3514 |
void |
3515 |
rxvt_term::im_set_position (XPoint &pos) |
3516 |
{ |
3517 |
XWindowAttributes xwa; |
3518 |
|
3519 |
XGetWindowAttributes (display->display, vt, &xwa); |
3520 |
|
3521 |
pos.x = xwa.x + Col2Pixel (screen.cur.col); |
3522 |
pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase; |
3523 |
} |
3524 |
#endif |
3525 |
|
3526 |
#if ENABLE_OVERLAY |
3527 |
void |
3528 |
rxvt_term::scr_overlay_new (int x, int y, int w, int h) |
3529 |
{ |
3530 |
if (nrow < 3 || ncol < 3) |
3531 |
return; |
3532 |
|
3533 |
want_refresh = 1; |
3534 |
|
3535 |
scr_overlay_off (); |
3536 |
|
3537 |
if (x < 0) x = ncol - w; |
3538 |
if (y < 0) y = nrow - h; |
3539 |
|
3540 |
// make space for border |
3541 |
w += 2; min_it (w, ncol); |
3542 |
h += 2; min_it (h, nrow); |
3543 |
|
3544 |
x -= 1; clamp_it (x, 0, ncol - w); |
3545 |
y -= 1; clamp_it (y, 0, nrow - h); |
3546 |
|
3547 |
ov_x = x; ov_y = y; |
3548 |
ov_w = w; ov_h = h; |
3549 |
|
3550 |
ov_text = new text_t *[h]; |
3551 |
ov_rend = new rend_t *[h]; |
3552 |
|
3553 |
for (y = 0; y < h; y++) |
3554 |
{ |
3555 |
text_t *tp = ov_text[y] = new text_t[w]; |
3556 |
rend_t *rp = ov_rend[y] = new rend_t[w]; |
3557 |
|
3558 |
text_t t0, t1, t2; |
3559 |
rend_t r = OVERLAY_RSTYLE; |
3560 |
|
3561 |
if (y == 0) |
3562 |
t0 = 0x2554, t1 = 0x2550, t2 = 0x2557; |
3563 |
else if (y < h - 1) |
3564 |
t0 = 0x2551, t1 = 0x0020, t2 = 0x2551; |
3565 |
else |
3566 |
t0 = 0x255a, t1 = 0x2550, t2 = 0x255d; |
3567 |
|
3568 |
*tp++ = t0; |
3569 |
*rp++ = r; |
3570 |
|
3571 |
for (x = w - 2; x > 0; --x) |
3572 |
{ |
3573 |
*tp++ = t1; |
3574 |
*rp++ = r; |
3575 |
} |
3576 |
|
3577 |
*tp = t2; |
3578 |
*rp = r; |
3579 |
} |
3580 |
} |
3581 |
|
3582 |
void |
3583 |
rxvt_term::scr_overlay_off () |
3584 |
{ |
3585 |
if (!ov_text) |
3586 |
return; |
3587 |
|
3588 |
want_refresh = 1; |
3589 |
|
3590 |
for (int y = 0; y < ov_h; y++) |
3591 |
{ |
3592 |
delete [] ov_text[y]; |
3593 |
delete [] ov_rend[y]; |
3594 |
} |
3595 |
|
3596 |
delete [] ov_text; ov_text = 0; |
3597 |
delete [] ov_rend; ov_rend = 0; |
3598 |
} |
3599 |
|
3600 |
void |
3601 |
rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) |
3602 |
{ |
3603 |
if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) |
3604 |
return; |
3605 |
|
3606 |
x++, y++; |
3607 |
|
3608 |
ov_text[y][x] = text; |
3609 |
ov_rend[y][x] = rend; |
3610 |
} |
3611 |
|
3612 |
void |
3613 |
rxvt_term::scr_overlay_set (int x, int y, const char *s) |
3614 |
{ |
3615 |
while (*s) |
3616 |
scr_overlay_set (x++, y, *s++); |
3617 |
} |
3618 |
|
3619 |
void |
3620 |
rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) |
3621 |
{ |
3622 |
while (*s) |
3623 |
{ |
3624 |
text_t t = *s++; |
3625 |
int width = wcwidth (t); |
3626 |
|
3627 |
while (width--) |
3628 |
{ |
3629 |
scr_overlay_set (x++, y, t); |
3630 |
t = NOCHAR; |
3631 |
} |
3632 |
} |
3633 |
} |
3634 |
|
3635 |
void |
3636 |
rxvt_term::scr_swap_overlay () |
3637 |
{ |
3638 |
if (!ov_text) |
3639 |
return; |
3640 |
|
3641 |
// swap screen mem with overlay |
3642 |
for (int y = ov_h; y--; ) |
3643 |
{ |
3644 |
text_t *t1 = ov_text[y]; |
3645 |
rend_t *r1 = ov_rend[y]; |
3646 |
|
3647 |
text_t *t2 = ROW(y - view_start).t + ov_x; |
3648 |
rend_t *r2 = ROW(y - view_start).r + ov_x; |
3649 |
|
3650 |
for (int x = ov_w; x--; ) |
3651 |
{ |
3652 |
text_t t = *t1; *t1++ = *t2; *t2++ = t; |
3653 |
rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); |
3654 |
} |
3655 |
} |
3656 |
} |
3657 |
|
3658 |
#endif |
3659 |
/* ------------------------------------------------------------------------- */ |
3660 |
|