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 |
#define INTERN_SCREEN |
29 |
#include "rxvt.h" /* NECESSARY */ |
30 |
#include "screen.intpro" /* PROTOS for internal routines */ |
31 |
|
32 |
#include <X11/Xmd.h> /* get the typedef for CARD32 */ |
33 |
|
34 |
#include <inttypes.h> |
35 |
#include <wchar.h> |
36 |
|
37 |
#include "salloc.C" // HACK, should be a seperate compile! |
38 |
|
39 |
inline void fill_text (text_t *start, text_t value, int len) |
40 |
{ |
41 |
while (len--) |
42 |
*start++ = value; |
43 |
} |
44 |
|
45 |
/* ------------------------------------------------------------------------- */ |
46 |
#define PROP_SIZE 16384 |
47 |
#define TABSIZE 8 /* default tab size */ |
48 |
|
49 |
/* ------------------------------------------------------------------------- * |
50 |
* GENERAL SCREEN AND SELECTION UPDATE ROUTINES * |
51 |
* ------------------------------------------------------------------------- */ |
52 |
#define ZERO_SCROLLBACK() \ |
53 |
if (Options & Opt_scrollTtyOutput) \ |
54 |
TermWin.view_start = 0 |
55 |
#define CLEAR_SELECTION() \ |
56 |
selection.beg.row = selection.beg.col \ |
57 |
= selection.end.row = selection.end.col = 0 |
58 |
#define CLEAR_ALL_SELECTION() \ |
59 |
selection.beg.row = selection.beg.col \ |
60 |
= selection.mark.row = selection.mark.col \ |
61 |
= selection.end.row = selection.end.col = 0 |
62 |
|
63 |
#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ |
64 |
(((A) > (C)) || (((A) == (C)) && ((B) > (D)))) |
65 |
#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ |
66 |
(((A) < (C)) || (((A) == (C)) && ((B) < (D)))) |
67 |
#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ |
68 |
(((A) == (C)) && ((B) > (D))) |
69 |
#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ |
70 |
(((A) == (C)) && ((B) >= (D))) |
71 |
#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ |
72 |
(((A) == (C)) && ((B) < (D))) |
73 |
#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ |
74 |
(((A) == (C)) && ((B) <= (D))) |
75 |
|
76 |
/* these must be row_col_t */ |
77 |
#define ROWCOL_IS_AFTER(X, Y) \ |
78 |
ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
79 |
#define ROWCOL_IS_BEFORE(X, Y) \ |
80 |
ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
81 |
#define ROWCOL_IN_ROW_AFTER(X, Y) \ |
82 |
ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
83 |
#define ROWCOL_IN_ROW_BEFORE(X, Y) \ |
84 |
ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
85 |
#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ |
86 |
ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
87 |
#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ |
88 |
ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
89 |
|
90 |
/* |
91 |
* CLEAR_ROWS : clear <num> rows starting from row <row> |
92 |
* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> |
93 |
* ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour |
94 |
*/ |
95 |
#define drawBuffer TermWin.vt |
96 |
|
97 |
#define CLEAR_ROWS(row, num) \ |
98 |
if (TermWin.mapped) \ |
99 |
XClearArea (display->display, drawBuffer, 0, \ |
100 |
Row2Pixel (row), (unsigned int)TermWin.width, \ |
101 |
(unsigned int)Height2Pixel (num), False) |
102 |
|
103 |
#define CLEAR_CHARS(x, y, num) \ |
104 |
if (TermWin.mapped) \ |
105 |
XClearArea (display->display, drawBuffer, x, y, \ |
106 |
(unsigned int)Width2Pixel (num), \ |
107 |
(unsigned int)Height2Pixel (1), False) |
108 |
|
109 |
#define ERASE_ROWS(row, num) \ |
110 |
XFillRectangle (display->display, drawBuffer, TermWin.gc, \ |
111 |
0, Row2Pixel (row), \ |
112 |
(unsigned int)TermWin.width, \ |
113 |
(unsigned int)Height2Pixel (num)) |
114 |
|
115 |
/* ------------------------------------------------------------------------- * |
116 |
* SCREEN `COMMON' ROUTINES * |
117 |
* ------------------------------------------------------------------------- */ |
118 |
/* Fill part/all of a line with blanks. */ |
119 |
void |
120 |
rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) |
121 |
{ |
122 |
efs &= ~RS_baseattrMask; |
123 |
efs = SET_FONT (efs, TermWin.ascii_map [' ' - 0x20]); |
124 |
|
125 |
while (width--) |
126 |
{ |
127 |
*et++ = ' '; |
128 |
*er++ = efs; |
129 |
} |
130 |
} |
131 |
|
132 |
/* ------------------------------------------------------------------------- */ |
133 |
/* Fill a full line with blanks - make sure it is allocated first */ |
134 |
void |
135 |
rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) |
136 |
{ |
137 |
#ifdef DEBUG_STRICT |
138 |
assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL)); |
139 |
#endif |
140 |
if (tp[row] == NULL) |
141 |
{ |
142 |
tp[row] = (text_t *)talloc->alloc (); |
143 |
rp[row] = (rend_t *)ralloc->alloc (); |
144 |
} |
145 |
|
146 |
scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); |
147 |
} |
148 |
|
149 |
/* ------------------------------------------------------------------------- * |
150 |
* SCREEN INITIALISATION * |
151 |
* ------------------------------------------------------------------------- */ |
152 |
void |
153 |
rxvt_term::scr_reset () |
154 |
{ |
155 |
unsigned int ncol, nrow, total_rows, prev_total_rows; |
156 |
unsigned int p, q; |
157 |
int k; |
158 |
rend_t setrstyle; |
159 |
|
160 |
D_SCREEN ((stderr, "rxvt_scr_reset ()")); |
161 |
|
162 |
TermWin.view_start = 0; |
163 |
num_scr = 0; |
164 |
|
165 |
if (TermWin.ncol == 0) |
166 |
TermWin.ncol = 80; |
167 |
|
168 |
if (TermWin.nrow == 0) |
169 |
TermWin.nrow = 24; |
170 |
|
171 |
ncol = TermWin.ncol; |
172 |
nrow = TermWin.nrow; |
173 |
|
174 |
if (ncol == prev_ncol && nrow == prev_nrow) |
175 |
return; |
176 |
|
177 |
want_refresh = 1; |
178 |
|
179 |
total_rows = nrow + TermWin.saveLines; |
180 |
prev_total_rows = prev_nrow + TermWin.saveLines; |
181 |
|
182 |
screen.tscroll = 0; |
183 |
screen.bscroll = nrow - 1; |
184 |
|
185 |
if (!talloc) |
186 |
{ |
187 |
talloc = new rxvt_salloc (ncol * sizeof (text_t)); |
188 |
ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); |
189 |
} |
190 |
|
191 |
if (prev_nrow == 0) |
192 |
{ |
193 |
/* |
194 |
* first time called so just malloc everything: don't rely on realloc |
195 |
* Note: this is still needed so that all the scrollback lines are NULL |
196 |
*/ |
197 |
screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *)); |
198 |
buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *)); |
199 |
drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *)); |
200 |
swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *)); |
201 |
|
202 |
screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t)); |
203 |
swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t)); |
204 |
|
205 |
screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *)); |
206 |
buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *)); |
207 |
drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *)); |
208 |
swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *)); |
209 |
|
210 |
for (p = 0; p < nrow; p++) |
211 |
{ |
212 |
q = p + TermWin.saveLines; |
213 |
scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE); |
214 |
scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE); |
215 |
screen.tlen[q] = swap.tlen[p] = 0; |
216 |
scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE); |
217 |
} |
218 |
|
219 |
MEMSET (charsets, 'B', sizeof (charsets)); |
220 |
TermWin.nscrolled = 0; /* no saved lines */ |
221 |
rstyle = DEFAULT_RSTYLE; |
222 |
screen.flags = Screen_DefaultFlags; |
223 |
screen.cur.row = screen.cur.col = 0; |
224 |
screen.charset = 0; |
225 |
current_screen = PRIMARY; |
226 |
scr_cursor (SAVE); |
227 |
|
228 |
#if NSCREENS |
229 |
swap.flags = Screen_DefaultFlags; |
230 |
swap.cur.row = swap.cur.col = 0; |
231 |
swap.charset = 0; |
232 |
current_screen = SECONDARY; |
233 |
scr_cursor (SAVE); |
234 |
current_screen = PRIMARY; |
235 |
#endif |
236 |
|
237 |
selection.text = NULL; |
238 |
selection.len = 0; |
239 |
selection.op = SELECTION_CLEAR; |
240 |
selection.screen = PRIMARY; |
241 |
selection.clicks = 0; |
242 |
CLEAR_ALL_SELECTION (); |
243 |
rvideo = 0; |
244 |
} |
245 |
else |
246 |
{ |
247 |
/* |
248 |
* add or delete rows as appropriate |
249 |
*/ |
250 |
setrstyle = DEFAULT_RSTYLE; |
251 |
|
252 |
if (nrow < prev_nrow) |
253 |
{ |
254 |
/* delete rows */ |
255 |
k = min (TermWin.nscrolled, prev_nrow - nrow); |
256 |
scr_scroll_text (0, (int)prev_nrow - 1, k, 1); |
257 |
|
258 |
for (p = nrow; p < prev_nrow; p++) |
259 |
{ |
260 |
q = p + TermWin.saveLines; |
261 |
|
262 |
if (screen.text[q]) |
263 |
{ |
264 |
#ifdef DEBUG_STRICT |
265 |
assert (screen.rend[q]); |
266 |
#endif |
267 |
talloc->free (screen.text[q]); |
268 |
ralloc->free (screen.rend[q]); |
269 |
} |
270 |
|
271 |
if (swap.text[p]) |
272 |
{ |
273 |
#ifdef DEBUG_STRICT |
274 |
assert (swap.rend[p]); |
275 |
#endif |
276 |
talloc->free (swap.text[p]); |
277 |
ralloc->free (swap.rend[p]); |
278 |
} |
279 |
|
280 |
#ifdef DEBUG_STRICT |
281 |
assert (drawn_text[p] && drawn_rend[p]); |
282 |
#endif |
283 |
talloc->free (drawn_text[p]); |
284 |
ralloc->free (drawn_rend[p]); |
285 |
} |
286 |
|
287 |
/* we have fewer rows so fix up cursor position */ |
288 |
MIN_IT (screen.cur.row, (int32_t)nrow - 1); |
289 |
MIN_IT (swap.cur.row, (int32_t)nrow - 1); |
290 |
|
291 |
scr_reset_realloc (); /* realloc _last_ */ |
292 |
} |
293 |
else if (nrow > prev_nrow) |
294 |
{ |
295 |
/* add rows */ |
296 |
scr_reset_realloc (); /* realloc _first_ */ |
297 |
|
298 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
299 |
|
300 |
k = min (TermWin.nscrolled, nrow - prev_nrow); |
301 |
|
302 |
for (p = prev_total_rows; p < total_rows; p++) |
303 |
{ |
304 |
screen.tlen[p] = 0; |
305 |
screen.text[p] = NULL; |
306 |
screen.rend[p] = NULL; |
307 |
} |
308 |
|
309 |
for (p = prev_total_rows; p < total_rows - k; p++) |
310 |
scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle); |
311 |
|
312 |
for (p = prev_nrow; p < nrow; p++) |
313 |
{ |
314 |
swap.tlen[p] = 0; |
315 |
swap.text[p] = NULL; |
316 |
swap.rend[p] = NULL; |
317 |
drawn_text[p] = NULL; |
318 |
drawn_rend[p] = NULL; |
319 |
scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle); |
320 |
scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle); |
321 |
} |
322 |
|
323 |
if (k > 0) |
324 |
{ |
325 |
scr_scroll_text (0, (int)nrow - 1, -k, 1); |
326 |
screen.cur.row += k; |
327 |
screen.s_cur.row += k; |
328 |
TermWin.nscrolled -= k; |
329 |
} |
330 |
#ifdef DEBUG_STRICT |
331 |
assert (screen.cur.row < TermWin.nrow); |
332 |
assert (swap.cur.row < TermWin.nrow); |
333 |
#else /* drive with your eyes closed */ |
334 |
|
335 |
MIN_IT (screen.cur.row, nrow - 1); |
336 |
MIN_IT (swap.cur.row, nrow - 1); |
337 |
#endif |
338 |
TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this |
339 |
} |
340 |
|
341 |
/* resize columns */ |
342 |
if (ncol != prev_ncol) |
343 |
{ |
344 |
rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); |
345 |
rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); |
346 |
|
347 |
for (p = 0; p < total_rows; p++) |
348 |
{ |
349 |
if (screen.text[p]) |
350 |
{ |
351 |
screen.text[p] = (text_t *)ta->alloc (screen.text[p], prev_ncol * sizeof (text_t)); |
352 |
screen.rend[p] = (rend_t *)ra->alloc (screen.rend[p], prev_ncol * sizeof (rend_t)); |
353 |
|
354 |
MIN_IT (screen.tlen[p], (int16_t)ncol); |
355 |
|
356 |
if (ncol > prev_ncol) |
357 |
scr_blank_line (&screen.text[p][prev_ncol], |
358 |
&screen.rend[p][prev_ncol], |
359 |
ncol - prev_ncol, setrstyle); |
360 |
} |
361 |
} |
362 |
|
363 |
for (p = 0; p < nrow; p++) |
364 |
{ |
365 |
drawn_text[p] = (text_t *)ta->alloc (drawn_text[p], prev_ncol * sizeof (text_t)); |
366 |
drawn_rend[p] = (rend_t *)ra->alloc (drawn_rend[p], prev_ncol * sizeof (rend_t)); |
367 |
|
368 |
if (ncol > prev_ncol) |
369 |
scr_blank_line (&drawn_text[p][prev_ncol], |
370 |
&drawn_rend[p][prev_ncol], |
371 |
ncol - prev_ncol, setrstyle); |
372 |
|
373 |
if (swap.text[p]) |
374 |
{ |
375 |
swap.text[p] = (text_t *)ta->alloc (swap.text[p], prev_ncol * sizeof (text_t)); |
376 |
swap.rend[p] = (rend_t *)ra->alloc (swap.rend[p], prev_ncol * sizeof (rend_t)); |
377 |
|
378 |
MIN_IT (swap.tlen[p], (int16_t)ncol); |
379 |
|
380 |
if (ncol > prev_ncol) |
381 |
scr_blank_line (&swap.text[p][prev_ncol], |
382 |
&swap.rend[p][prev_ncol], |
383 |
ncol - prev_ncol, setrstyle); |
384 |
} |
385 |
|
386 |
} |
387 |
|
388 |
MIN_IT (screen.cur.col, (int16_t)ncol - 1); |
389 |
MIN_IT (swap.cur.col, (int16_t)ncol - 1); |
390 |
|
391 |
delete talloc; talloc = ta; |
392 |
delete ralloc; ralloc = ra; |
393 |
} |
394 |
|
395 |
if (tabs) |
396 |
free (tabs); |
397 |
} |
398 |
|
399 |
prev_nrow = nrow; |
400 |
prev_ncol = ncol; |
401 |
|
402 |
tabs = (char *)rxvt_malloc (ncol * sizeof (char)); |
403 |
|
404 |
for (p = 0; p < ncol; p++) |
405 |
tabs[p] = (p % TABSIZE == 0) ? 1 : 0; |
406 |
|
407 |
tt_winch (); |
408 |
} |
409 |
|
410 |
void |
411 |
rxvt_term::scr_reset_realloc () |
412 |
{ |
413 |
uint16_t total_rows, nrow; |
414 |
|
415 |
nrow = TermWin.nrow; |
416 |
total_rows = nrow + TermWin.saveLines; |
417 |
/* *INDENT-OFF* */ |
418 |
screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *)); |
419 |
buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *)); |
420 |
drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *)); |
421 |
swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *)); |
422 |
|
423 |
screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t)); |
424 |
swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t)); |
425 |
|
426 |
screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *)); |
427 |
buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *)); |
428 |
drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *)); |
429 |
swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *)); |
430 |
/* *INDENT-ON* */ |
431 |
} |
432 |
|
433 |
/* ------------------------------------------------------------------------- */ |
434 |
/* |
435 |
* Free everything. That way malloc debugging can find leakage. |
436 |
*/ |
437 |
void |
438 |
rxvt_term::scr_release () |
439 |
{ |
440 |
uint16_t total_rows; |
441 |
int i; |
442 |
|
443 |
total_rows = TermWin.nrow + TermWin.saveLines; |
444 |
|
445 |
delete talloc; talloc = 0; |
446 |
delete ralloc; ralloc = 0; |
447 |
|
448 |
free (screen.text); |
449 |
free (screen.tlen); |
450 |
free (screen.rend); |
451 |
free (drawn_text); |
452 |
free (drawn_rend); |
453 |
free (swap.text); |
454 |
free (swap.tlen); |
455 |
free (swap.rend); |
456 |
free (buf_text); |
457 |
free (buf_rend); |
458 |
free (tabs); |
459 |
|
460 |
/* NULL these so if anything tries to use them, we'll know about it */ |
461 |
screen.text = drawn_text = swap.text = NULL; |
462 |
screen.rend = drawn_rend = swap.rend = NULL; |
463 |
screen.tlen = swap.tlen = NULL; |
464 |
buf_text = NULL; |
465 |
buf_rend = NULL; |
466 |
tabs = NULL; |
467 |
} |
468 |
|
469 |
/* ------------------------------------------------------------------------- */ |
470 |
/* |
471 |
* Hard reset |
472 |
*/ |
473 |
void |
474 |
rxvt_term::scr_poweron () |
475 |
{ |
476 |
D_SCREEN ((stderr, "rxvt_scr_poweron ()")); |
477 |
|
478 |
scr_release (); |
479 |
prev_nrow = prev_ncol = 0; |
480 |
scr_reset (); |
481 |
|
482 |
scr_clear (true); |
483 |
scr_refresh (SLOW_REFRESH); |
484 |
} |
485 |
|
486 |
/* ------------------------------------------------------------------------- * |
487 |
* PROCESS SCREEN COMMANDS * |
488 |
* ------------------------------------------------------------------------- */ |
489 |
/* |
490 |
* Save and Restore cursor |
491 |
* XTERM_SEQ: Save cursor : ESC 7 |
492 |
* XTERM_SEQ: Restore cursor: ESC 8 |
493 |
*/ |
494 |
void |
495 |
rxvt_term::scr_cursor (int mode) |
496 |
{ |
497 |
screen_t *s; |
498 |
|
499 |
D_SCREEN ((stderr, "rxvt_scr_cursor (%c)", mode)); |
500 |
|
501 |
#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) |
502 |
if (current_screen == SECONDARY) |
503 |
s = &swap; |
504 |
else |
505 |
#endif |
506 |
s = &screen; |
507 |
|
508 |
switch (mode) |
509 |
{ |
510 |
case SAVE: |
511 |
s->s_cur.row = s->cur.row; |
512 |
s->s_cur.col = s->cur.col; |
513 |
s->s_rstyle = rstyle; |
514 |
s->s_charset = s->charset; |
515 |
s->s_charset_char = charsets[s->charset]; |
516 |
break; |
517 |
|
518 |
case RESTORE: |
519 |
want_refresh = 1; |
520 |
s->cur.row = s->s_cur.row; |
521 |
s->cur.col = s->s_cur.col; |
522 |
s->flags &= ~Screen_WrapNext; |
523 |
rstyle = s->s_rstyle; |
524 |
s->charset = s->s_charset; |
525 |
charsets[s->charset] = s->s_charset_char; |
526 |
set_font_style (); |
527 |
break; |
528 |
} |
529 |
|
530 |
/* boundary check in case screen size changed between SAVE and RESTORE */ |
531 |
MIN_IT (s->cur.row, TermWin.nrow - 1); |
532 |
MIN_IT (s->cur.col, TermWin.ncol - 1); |
533 |
#ifdef DEBUG_STRICT |
534 |
assert (s->cur.row >= 0); |
535 |
assert (s->cur.col >= 0); |
536 |
#else /* drive with your eyes closed */ |
537 |
MAX_IT (s->cur.row, 0); |
538 |
MAX_IT (s->cur.col, 0); |
539 |
#endif |
540 |
} |
541 |
|
542 |
/* ------------------------------------------------------------------------- */ |
543 |
/* |
544 |
* Swap between primary and secondary screens |
545 |
* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h |
546 |
* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l |
547 |
*/ |
548 |
int |
549 |
rxvt_term::scr_change_screen (int scrn) |
550 |
{ |
551 |
int i; |
552 |
#if NSCREENS |
553 |
int offset; |
554 |
#endif |
555 |
|
556 |
want_refresh = 1; |
557 |
|
558 |
D_SCREEN ((stderr, "rxvt_scr_change_screen (%d)", scrn)); |
559 |
|
560 |
TermWin.view_start = 0; |
561 |
|
562 |
if (current_screen == scrn) |
563 |
return scrn; |
564 |
|
565 |
selection_check (2); /* check for boundary cross */ |
566 |
|
567 |
SWAP_IT (current_screen, scrn, int); |
568 |
#if NSCREENS |
569 |
if (Options & Opt_secondaryScreen) |
570 |
{ |
571 |
num_scr = 0; |
572 |
offset = TermWin.saveLines; |
573 |
for (i = prev_nrow; i--;) |
574 |
{ |
575 |
SWAP_IT (screen.text[i + offset], swap.text[i], text_t *); |
576 |
SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t); |
577 |
SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *); |
578 |
} |
579 |
SWAP_IT (screen.cur.row, swap.cur.row, int16_t); |
580 |
SWAP_IT (screen.cur.col, swap.cur.col, int16_t); |
581 |
# ifdef DEBUG_STRICT |
582 |
assert ((screen.cur.row >= 0) && (screen.cur.row < prev_nrow)); |
583 |
assert ((screen.cur.col >= 0) && (screen.cur.col < prev_ncol)); |
584 |
# else /* drive with your eyes closed */ |
585 |
MAX_IT (screen.cur.row, 0); |
586 |
MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); |
587 |
MAX_IT (screen.cur.col, 0); |
588 |
MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1); |
589 |
# endif |
590 |
SWAP_IT (screen.charset, swap.charset, int16_t); |
591 |
SWAP_IT (screen.flags, swap.flags, int); |
592 |
screen.flags |= Screen_VisibleCursor; |
593 |
swap.flags |= Screen_VisibleCursor; |
594 |
} |
595 |
else |
596 |
#endif |
597 |
if (Options & Opt_secondaryScroll) |
598 |
//if (current_screen == PRIMARY) |
599 |
scr_scroll_text (0, (prev_nrow - 1), prev_nrow, 0); |
600 |
return scrn; |
601 |
} |
602 |
|
603 |
/* ------------------------------------------------------------------------- */ |
604 |
/* |
605 |
* Change the colour for following text |
606 |
*/ |
607 |
void |
608 |
rxvt_term::scr_color (unsigned int color, int fgbg) |
609 |
{ |
610 |
color &= RS_fgMask; |
611 |
if (fgbg == Color_fg) |
612 |
rstyle = SET_FGCOLOR (rstyle, color); |
613 |
else |
614 |
rstyle = SET_BGCOLOR (rstyle, color); |
615 |
} |
616 |
|
617 |
/* ------------------------------------------------------------------------- */ |
618 |
/* |
619 |
* Change the rendition style for following text |
620 |
*/ |
621 |
void |
622 |
rxvt_term::scr_rendition (int set, int style) |
623 |
{ |
624 |
if (set) |
625 |
rstyle |= style; |
626 |
else if (style == ~RS_None) |
627 |
rstyle = DEFAULT_RSTYLE; |
628 |
else |
629 |
rstyle &= ~style; |
630 |
} |
631 |
|
632 |
/* ------------------------------------------------------------------------- */ |
633 |
/* |
634 |
* Scroll text between <row1> and <row2> inclusive, by <count> lines |
635 |
* count positive ==> scroll up |
636 |
* count negative ==> scroll down |
637 |
* spec == 0 for normal routines |
638 |
*/ |
639 |
int |
640 |
rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) |
641 |
{ |
642 |
int i, j; |
643 |
long nscrolled; |
644 |
|
645 |
if (count == 0 || (row1 > row2)) |
646 |
return 0; |
647 |
|
648 |
want_refresh = 1; |
649 |
D_SCREEN ((stderr, "rxvt_scroll_text (%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); |
650 |
|
651 |
if (row1 == 0 && count > 0 |
652 |
&& (current_screen == PRIMARY || Options & Opt_secondaryScroll)) |
653 |
{ |
654 |
nscrolled = (long)TermWin.nscrolled + (long)count; |
655 |
|
656 |
if (nscrolled > (long)TermWin.saveLines) |
657 |
TermWin.nscrolled = TermWin.saveLines; |
658 |
else |
659 |
TermWin.nscrolled = (uint16_t)nscrolled; |
660 |
|
661 |
if ((Options & Opt_scrollWithBuffer) |
662 |
&& TermWin.view_start != 0 |
663 |
&& TermWin.view_start != TermWin.saveLines) |
664 |
scr_page (UP, count); |
665 |
} |
666 |
else if (!spec) |
667 |
row1 += TermWin.saveLines; |
668 |
|
669 |
row2 += TermWin.saveLines; |
670 |
|
671 |
if (selection.op && current_screen == selection.screen) |
672 |
{ |
673 |
i = selection.beg.row + TermWin.saveLines; |
674 |
j = selection.end.row + TermWin.saveLines; |
675 |
if ((i < row1 && j > row1) |
676 |
|| (i < row2 && j > row2) |
677 |
|| (i - count < row1 && i >= row1) |
678 |
|| (i - count > row2 && i <= row2) |
679 |
|| (j - count < row1 && j >= row1) |
680 |
|| (j - count > row2 && j <= row2)) |
681 |
{ |
682 |
CLEAR_ALL_SELECTION (); |
683 |
selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ |
684 |
} |
685 |
else if (j >= row1 && j <= row2) |
686 |
{ |
687 |
/* move selected region too */ |
688 |
selection.beg.row -= count; |
689 |
selection.end.row -= count; |
690 |
selection.mark.row -= count; |
691 |
} |
692 |
} |
693 |
|
694 |
selection_check (0); /* _after_ TermWin.nscrolled update */ |
695 |
|
696 |
num_scr += count; |
697 |
j = count; |
698 |
|
699 |
if (count < 0) |
700 |
count = -count; |
701 |
|
702 |
i = row2 - row1 + 1; |
703 |
MIN_IT (count, i); |
704 |
|
705 |
if (j > 0) |
706 |
{ |
707 |
/* A: scroll up */ |
708 |
|
709 |
/* A1: Copy lines that will get clobbered by the rotation */ |
710 |
for (i = 0, j = row1; i < count; i++, j++) |
711 |
{ |
712 |
buf_text[i] = screen.text[j]; |
713 |
buf_rend[i] = screen.rend[j]; |
714 |
} |
715 |
|
716 |
/* A2: Rotate lines */ |
717 |
for (j = row1, i = j + count; i <= row2; i++, j++) |
718 |
{ |
719 |
screen.tlen[j] = screen.tlen[i]; |
720 |
screen.text[j] = screen.text[i]; |
721 |
screen.rend[j] = screen.rend[i]; |
722 |
} |
723 |
|
724 |
j = row2 - count + 1, i = count; |
725 |
} |
726 |
else /* if (j < 0) */ |
727 |
{ |
728 |
/* B: scroll down */ |
729 |
|
730 |
/* B1: Copy lines that will get clobbered by the rotation */ |
731 |
for (i = 0, j = row2; i < count; i++, j--) |
732 |
{ |
733 |
buf_text[i] = screen.text[j]; |
734 |
buf_rend[i] = screen.rend[j]; |
735 |
} |
736 |
|
737 |
/* B2: Rotate lines */ |
738 |
for (j = row2, i = j - count; i >= row1; i--, j--) |
739 |
{ |
740 |
screen.tlen[j] = screen.tlen[i]; |
741 |
screen.text[j] = screen.text[i]; |
742 |
screen.rend[j] = screen.rend[i]; |
743 |
} |
744 |
|
745 |
j = row1, i = count; |
746 |
count = -count; |
747 |
} |
748 |
|
749 |
/* C: Resurrect lines */ |
750 |
for (; i--; j++) |
751 |
{ |
752 |
screen.tlen[j] = 0; |
753 |
screen.text[j] = buf_text[i]; |
754 |
screen.rend[j] = buf_rend[i]; |
755 |
|
756 |
if (!spec) /* line length may not equal TermWin.ncol */ |
757 |
scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle); |
758 |
} |
759 |
|
760 |
return count; |
761 |
} |
762 |
|
763 |
/* ------------------------------------------------------------------------- */ |
764 |
/* |
765 |
* Add text given in <str> of length <len> to screen struct |
766 |
*/ |
767 |
void |
768 |
rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) |
769 |
{ |
770 |
unsigned char checksel, clearsel; |
771 |
unicode_t c; |
772 |
int i, row, last_col; |
773 |
text_t *stp; |
774 |
rend_t *srp; |
775 |
|
776 |
if (len <= 0) /* sanity */ |
777 |
return; |
778 |
|
779 |
want_refresh = 1; |
780 |
last_col = TermWin.ncol; |
781 |
|
782 |
D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len)); |
783 |
ZERO_SCROLLBACK (); |
784 |
if (nlines > 0) |
785 |
{ |
786 |
nlines += (screen.cur.row - screen.bscroll); |
787 |
if ((nlines > 0) |
788 |
&& (screen.tscroll == 0) |
789 |
&& (screen.bscroll == (TermWin.nrow - 1))) |
790 |
{ |
791 |
/* _at least_ this many lines need to be scrolled */ |
792 |
scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); |
793 |
screen.cur.row -= nlines; |
794 |
} |
795 |
} |
796 |
#ifdef DEBUG_STRICT |
797 |
assert (screen.cur.col < last_col); |
798 |
assert ((screen.cur.row < TermWin.nrow) |
799 |
&& (screen.cur.row >= - (int32_t)TermWin.nscrolled)); |
800 |
#else /* drive with your eyes closed */ |
801 |
MIN_IT (screen.cur.col, last_col - 1); |
802 |
MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1); |
803 |
MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled); |
804 |
#endif |
805 |
row = screen.cur.row + TermWin.saveLines; |
806 |
|
807 |
checksel = selection.op && current_screen == selection.screen ? 1 : 0; |
808 |
clearsel = 0; |
809 |
|
810 |
stp = screen.text[row]; |
811 |
srp = screen.rend[row]; |
812 |
|
813 |
while (len--) |
814 |
{ |
815 |
c = *str++; |
816 |
|
817 |
if (c < 0x20) |
818 |
switch (c) |
819 |
{ |
820 |
case C0_HT: |
821 |
scr_tab (1); |
822 |
continue; |
823 |
|
824 |
case C0_LF: |
825 |
if (screen.tlen[row] != -1) /* XXX: think about this */ |
826 |
MAX_IT (screen.tlen[row], screen.cur.col); |
827 |
|
828 |
screen.flags &= ~Screen_WrapNext; |
829 |
|
830 |
if (screen.cur.row == screen.bscroll) |
831 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); |
832 |
else if (screen.cur.row < (TermWin.nrow - 1)) |
833 |
row = (++screen.cur.row) + TermWin.saveLines; |
834 |
|
835 |
stp = screen.text[row]; /* _must_ refresh */ |
836 |
srp = screen.rend[row]; /* _must_ refresh */ |
837 |
continue; |
838 |
|
839 |
case C0_CR: |
840 |
if (screen.tlen[row] != -1) /* XXX: think about this */ |
841 |
MAX_IT (screen.tlen[row], screen.cur.col); |
842 |
|
843 |
screen.flags &= ~Screen_WrapNext; |
844 |
screen.cur.col = 0; |
845 |
continue; |
846 |
} |
847 |
|
848 |
if (checksel /* see if we're writing within selection */ |
849 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
850 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end)) |
851 |
{ |
852 |
checksel = 0; |
853 |
clearsel = 1; |
854 |
} |
855 |
|
856 |
if (screen.flags & Screen_WrapNext) |
857 |
{ |
858 |
screen.tlen[row] = -1; |
859 |
if (screen.cur.row == screen.bscroll) |
860 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); |
861 |
else if (screen.cur.row < (TermWin.nrow - 1)) |
862 |
row = (++screen.cur.row) + TermWin.saveLines; |
863 |
|
864 |
stp = screen.text[row]; /* _must_ refresh */ |
865 |
srp = screen.rend[row]; /* _must_ refresh */ |
866 |
screen.cur.col = 0; |
867 |
screen.flags &= ~Screen_WrapNext; |
868 |
} |
869 |
|
870 |
if (screen.flags & Screen_Insert) |
871 |
scr_insdel_chars (1, INSERT); |
872 |
|
873 |
// rely on wcwidth to tell us the character width, at least for non-latin1 |
874 |
// do wcwidth before further replacements, as wcwidth says that line-drawing |
875 |
// characters have width -1 (DOH!) on GNU/Linux sometimes. |
876 |
int width = c < 256 ? 1 : wcwidth (c); |
877 |
|
878 |
if (charsets[screen.charset] == '0') // DEC SPECIAL |
879 |
{ |
880 |
// vt100 special graphics and line drawing |
881 |
static uint16_t vt100_0[32] = { // 5f .. 7e |
882 |
0x0020, 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, |
883 |
0x00b1, 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, |
884 |
0x23ba, 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, |
885 |
0x252c, 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, |
886 |
}; |
887 |
|
888 |
if (c >= 0x5f && c <= 0x7e) |
889 |
{ |
890 |
c = vt100_0[c - 0x5f]; |
891 |
width = 1; |
892 |
} |
893 |
} |
894 |
|
895 |
if (width != 0) |
896 |
{ |
897 |
#if !UNICODE_3 && ENABLE_COMBINING |
898 |
// trim characters we can't store directly :( |
899 |
if (c >= 0x10000) |
900 |
c = rxvt_composite.compose (c); // map to lower 16 bits |
901 |
#endif |
902 |
bool bold = (Options & Opt_realBold) && ((rstyle & RS_Bold) != 0); |
903 |
rend_t rend = SET_FONT (rstyle, |
904 |
c > 0x7f || bold || c < 0x20 |
905 |
? TermWin.fontset->find_font (c, bold) |
906 |
: TermWin.ascii_map [c - 0x20]); |
907 |
|
908 |
do |
909 |
{ |
910 |
stp[screen.cur.col] = c; |
911 |
srp[screen.cur.col] = rend; |
912 |
|
913 |
if (screen.cur.col < last_col - 1) |
914 |
screen.cur.col++; |
915 |
else |
916 |
{ |
917 |
screen.tlen[row] = last_col; |
918 |
if (screen.flags & Screen_Autowrap) |
919 |
screen.flags |= Screen_WrapNext; |
920 |
break; |
921 |
} |
922 |
|
923 |
c = NOCHAR; |
924 |
} |
925 |
while (--width > 0); |
926 |
|
927 |
// pad with spaces when overwriting wide character with smaller one |
928 |
for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++) |
929 |
{ |
930 |
stp[c] = ' '; |
931 |
srp[c] = rend; |
932 |
} |
933 |
} |
934 |
else if (width == 0) |
935 |
{ |
936 |
#if ENABLE_COMBINING |
937 |
// handle combining characters |
938 |
// we just tag the accent on the previous on-screen character. |
939 |
// this is arguably not correct, but also arguably not wrong. |
940 |
// we don't handle double-width characters nicely yet. |
941 |
|
942 |
text_t *tp; |
943 |
rend_t *rp; |
944 |
|
945 |
if (screen.cur.col > 0) |
946 |
{ |
947 |
tp = stp + screen.cur.col - 1; |
948 |
rp = srp + screen.cur.col - 1; |
949 |
} |
950 |
else if (screen.cur.row > 0 |
951 |
&& screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1) |
952 |
{ |
953 |
tp = screen.text[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1; |
954 |
rp = screen.rend[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1; |
955 |
} |
956 |
else |
957 |
continue; |
958 |
|
959 |
// handle double-width-chars by making them look extremely ugly |
960 |
if (*tp == NOCHAR) |
961 |
*tp = ' '; // hack //D //TODO //--tp, --rp; |
962 |
|
963 |
// first try to find a precomposed character |
964 |
unicode_t n = rxvt_compose (*tp, c); |
965 |
if (n == NOCHAR) |
966 |
n = rxvt_composite.compose (*tp, c); |
967 |
|
968 |
*tp = n; |
969 |
*rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp)); |
970 |
#endif |
971 |
} |
972 |
} |
973 |
|
974 |
if (screen.tlen[row] != -1) /* XXX: think about this */ |
975 |
MAX_IT (screen.tlen[row], screen.cur.col); |
976 |
|
977 |
/* |
978 |
* If we wrote anywhere in the selected area, kill the selection |
979 |
* XXX: should we kill the mark too? Possibly, but maybe that |
980 |
* should be a similar check. |
981 |
*/ |
982 |
if (clearsel) |
983 |
CLEAR_SELECTION (); |
984 |
|
985 |
#ifdef DEBUG_STRICT |
986 |
assert (screen.cur.row >= 0); |
987 |
#else /* drive with your eyes closed */ |
988 |
MAX_IT (screen.cur.row, 0); |
989 |
#endif |
990 |
} |
991 |
|
992 |
/* ------------------------------------------------------------------------- */ |
993 |
/* |
994 |
* Process Backspace. Move back the cursor back a position, wrap if have to |
995 |
* XTERM_SEQ: CTRL-H |
996 |
*/ |
997 |
void |
998 |
rxvt_term::scr_backspace () |
999 |
{ |
1000 |
want_refresh = 1; |
1001 |
|
1002 |
if (screen.cur.col == 0) |
1003 |
{ |
1004 |
if (screen.cur.row > 0) |
1005 |
{ |
1006 |
#ifdef TERMCAP_HAS_BW |
1007 |
screen.cur.col = TermWin.ncol - 1; |
1008 |
screen.cur.row--; |
1009 |
return; |
1010 |
#endif |
1011 |
|
1012 |
} |
1013 |
} |
1014 |
else if ((screen.flags & Screen_WrapNext) == 0) |
1015 |
scr_gotorc (0, -1, RELATIVE); |
1016 |
|
1017 |
screen.flags &= ~Screen_WrapNext; |
1018 |
} |
1019 |
|
1020 |
/* ------------------------------------------------------------------------- */ |
1021 |
/* |
1022 |
* Process Horizontal Tab |
1023 |
* count: +ve = forward; -ve = backwards |
1024 |
* XTERM_SEQ: CTRL-I |
1025 |
*/ |
1026 |
void |
1027 |
rxvt_term::scr_tab (int count) |
1028 |
{ |
1029 |
int i, x; |
1030 |
|
1031 |
D_SCREEN ((stderr, "rxvt_scr_tab (%d)", count)); |
1032 |
want_refresh = 1; |
1033 |
i = x = screen.cur.col; |
1034 |
|
1035 |
if (count == 0) |
1036 |
return; |
1037 |
else if (count > 0) |
1038 |
{ |
1039 |
for (; ++i < TermWin.ncol; ) |
1040 |
if (tabs[i]) |
1041 |
{ |
1042 |
x = i; |
1043 |
if (!--count) |
1044 |
break; |
1045 |
} |
1046 |
|
1047 |
if (count) |
1048 |
x = TermWin.ncol - 1; |
1049 |
} |
1050 |
else /* if (count < 0) */ |
1051 |
{ |
1052 |
for (; --i >= 0; ) |
1053 |
if (tabs[i]) |
1054 |
{ |
1055 |
x = i; |
1056 |
if (!++count) |
1057 |
break; |
1058 |
} |
1059 |
|
1060 |
if (count) |
1061 |
x = 0; |
1062 |
} |
1063 |
|
1064 |
if (x != screen.cur.col) |
1065 |
scr_gotorc (0, x, R_RELATIVE); |
1066 |
} |
1067 |
|
1068 |
/* ------------------------------------------------------------------------- */ |
1069 |
/* |
1070 |
* Process DEC Back Index |
1071 |
* XTERM_SEQ: ESC 6 |
1072 |
* Move cursor left in row. If we're at the left boundary, shift everything |
1073 |
* in that row right. Clear left column. |
1074 |
*/ |
1075 |
#ifndef NO_FRILLS |
1076 |
void |
1077 |
rxvt_term::scr_backindex () |
1078 |
{ |
1079 |
if (screen.cur.col > 0) |
1080 |
scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); |
1081 |
else |
1082 |
{ |
1083 |
if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0) |
1084 |
return; /* um, yeah? */ |
1085 |
scr_insdel_chars (1, INSERT); |
1086 |
} |
1087 |
} |
1088 |
#endif |
1089 |
/* ------------------------------------------------------------------------- */ |
1090 |
/* |
1091 |
* Process DEC Forward Index |
1092 |
* XTERM_SEQ: ESC 9 |
1093 |
* Move cursor right in row. If we're at the right boundary, shift everything |
1094 |
* in that row left. Clear right column. |
1095 |
*/ |
1096 |
#ifndef NO_FRILLS |
1097 |
void |
1098 |
rxvt_term::scr_forwardindex () |
1099 |
{ |
1100 |
int row; |
1101 |
|
1102 |
if (screen.cur.col < TermWin.ncol - 1) |
1103 |
scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); |
1104 |
else |
1105 |
{ |
1106 |
row = screen.cur.row + TermWin.saveLines; |
1107 |
if (screen.tlen[row] == 0) |
1108 |
return; /* um, yeah? */ |
1109 |
else if (screen.tlen[row] == -1) |
1110 |
screen.tlen[row] = TermWin.ncol; |
1111 |
scr_gotorc (0, 0, R_RELATIVE); |
1112 |
scr_insdel_chars (1, DELETE); |
1113 |
scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); |
1114 |
} |
1115 |
} |
1116 |
#endif |
1117 |
|
1118 |
/* ------------------------------------------------------------------------- */ |
1119 |
/* |
1120 |
* Goto Row/Column |
1121 |
*/ |
1122 |
void |
1123 |
rxvt_term::scr_gotorc (int row, int col, int relative) |
1124 |
{ |
1125 |
want_refresh = 1; |
1126 |
ZERO_SCROLLBACK (); |
1127 |
|
1128 |
D_SCREEN ((stderr, "rxvt_scr_gotorc (r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col)); |
1129 |
|
1130 |
screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; |
1131 |
MAX_IT (screen.cur.col, 0); |
1132 |
MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1); |
1133 |
|
1134 |
screen.flags &= ~Screen_WrapNext; |
1135 |
if (relative & R_RELATIVE) |
1136 |
{ |
1137 |
if (row > 0) |
1138 |
{ |
1139 |
if (screen.cur.row <= screen.bscroll |
1140 |
&& (screen.cur.row + row) > screen.bscroll) |
1141 |
screen.cur.row = screen.bscroll; |
1142 |
else |
1143 |
screen.cur.row += row; |
1144 |
} |
1145 |
else if (row < 0) |
1146 |
{ |
1147 |
if (screen.cur.row >= screen.tscroll |
1148 |
&& (screen.cur.row + row) < screen.tscroll) |
1149 |
screen.cur.row = screen.tscroll; |
1150 |
else |
1151 |
screen.cur.row += row; |
1152 |
} |
1153 |
} |
1154 |
else |
1155 |
{ |
1156 |
if (screen.flags & Screen_Relative) |
1157 |
{ /* relative origin mode */ |
1158 |
screen.cur.row = row + screen.tscroll; |
1159 |
MIN_IT (screen.cur.row, screen.bscroll); |
1160 |
} |
1161 |
else |
1162 |
screen.cur.row = row; |
1163 |
} |
1164 |
MAX_IT (screen.cur.row, 0); |
1165 |
MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1); |
1166 |
|
1167 |
while (screen.cur.col > 0 |
1168 |
&& screen.text[screen.cur.row + TermWin.saveLines][screen.cur.col] == NOCHAR) |
1169 |
screen.cur.col--; |
1170 |
} |
1171 |
|
1172 |
/* ------------------------------------------------------------------------- */ |
1173 |
/* |
1174 |
* direction should be UP or DN |
1175 |
*/ |
1176 |
void |
1177 |
rxvt_term::scr_index (enum page_dirn direction) |
1178 |
{ |
1179 |
int dirn; |
1180 |
|
1181 |
want_refresh = 1; |
1182 |
dirn = ((direction == UP) ? 1 : -1); |
1183 |
D_SCREEN ((stderr, "rxvt_scr_index (%d)", dirn)); |
1184 |
|
1185 |
ZERO_SCROLLBACK (); |
1186 |
|
1187 |
screen.flags &= ~Screen_WrapNext; |
1188 |
if ((screen.cur.row == screen.bscroll && direction == UP) |
1189 |
|| (screen.cur.row == screen.tscroll && direction == DN)) |
1190 |
scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); |
1191 |
else |
1192 |
screen.cur.row += dirn; |
1193 |
MAX_IT (screen.cur.row, 0); |
1194 |
MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1); |
1195 |
selection_check (0); |
1196 |
} |
1197 |
|
1198 |
/* ------------------------------------------------------------------------- */ |
1199 |
/* |
1200 |
* Erase part or whole of a line |
1201 |
* XTERM_SEQ: Clear line to right: ESC [ 0 K |
1202 |
* XTERM_SEQ: Clear line to left : ESC [ 1 K |
1203 |
* XTERM_SEQ: Clear whole line : ESC [ 2 K |
1204 |
*/ |
1205 |
void |
1206 |
rxvt_term::scr_erase_line (int mode) |
1207 |
{ |
1208 |
unsigned int row, col, num; |
1209 |
|
1210 |
want_refresh = 1; |
1211 |
D_SCREEN ((stderr, "rxvt_scr_erase_line (%d) at screen row: %d", mode, screen.cur.row)); |
1212 |
ZERO_SCROLLBACK (); |
1213 |
|
1214 |
selection_check (1); |
1215 |
|
1216 |
screen.flags &= ~Screen_WrapNext; |
1217 |
|
1218 |
row = TermWin.saveLines + screen.cur.row; |
1219 |
switch (mode) |
1220 |
{ |
1221 |
case 0: /* erase to end of line */ |
1222 |
col = screen.cur.col; |
1223 |
num = TermWin.ncol - col; |
1224 |
MIN_IT (screen.tlen[row], (int16_t)col); |
1225 |
if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) |
1226 |
|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) |
1227 |
CLEAR_SELECTION (); |
1228 |
break; |
1229 |
case 1: /* erase to beginning of line */ |
1230 |
col = 0; |
1231 |
num = screen.cur.col + 1; |
1232 |
if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) |
1233 |
|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) |
1234 |
CLEAR_SELECTION (); |
1235 |
break; |
1236 |
case 2: /* erase whole line */ |
1237 |
col = 0; |
1238 |
num = TermWin.ncol; |
1239 |
screen.tlen[row] = 0; |
1240 |
if (selection.beg.row <= screen.cur.row |
1241 |
&& selection.end.row >= screen.cur.row) |
1242 |
CLEAR_SELECTION (); |
1243 |
break; |
1244 |
default: |
1245 |
return; |
1246 |
} |
1247 |
|
1248 |
if (screen.text[row]) |
1249 |
scr_blank_line (&screen.text[row][col], &screen.rend[row][col], num, rstyle); |
1250 |
else |
1251 |
scr_blank_screen_mem (screen.text, screen.rend, row, rstyle); |
1252 |
} |
1253 |
|
1254 |
/* ------------------------------------------------------------------------- */ |
1255 |
/* |
1256 |
* Erase part of whole of the screen |
1257 |
* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J |
1258 |
* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J |
1259 |
* XTERM_SEQ: Clear whole screen : ESC [ 2 J |
1260 |
*/ |
1261 |
void |
1262 |
rxvt_term::scr_erase_screen (int mode) |
1263 |
{ |
1264 |
int num; |
1265 |
int32_t row, row_offset; |
1266 |
rend_t ren; |
1267 |
XGCValues gcvalue; |
1268 |
|
1269 |
want_refresh = 1; |
1270 |
D_SCREEN ((stderr, "rxvt_scr_erase_screen (%d) at screen row: %d", mode, screen.cur.row)); |
1271 |
ZERO_SCROLLBACK (); |
1272 |
row_offset = (int32_t)TermWin.saveLines; |
1273 |
|
1274 |
switch (mode) |
1275 |
{ |
1276 |
case 0: /* erase to end of screen */ |
1277 |
selection_check (1); |
1278 |
scr_erase_line (0); |
1279 |
row = screen.cur.row + 1; /* possible OOB */ |
1280 |
num = TermWin.nrow - row; |
1281 |
break; |
1282 |
case 1: /* erase to beginning of screen */ |
1283 |
selection_check (3); |
1284 |
scr_erase_line (1); |
1285 |
row = 0; |
1286 |
num = screen.cur.row; |
1287 |
break; |
1288 |
case 2: /* erase whole screen */ |
1289 |
selection_check (3); |
1290 |
row = 0; |
1291 |
num = TermWin.nrow; |
1292 |
break; |
1293 |
default: |
1294 |
return; |
1295 |
} |
1296 |
|
1297 |
refresh_type |= REFRESH_BOUNDS; |
1298 |
|
1299 |
if (selection.op && current_screen == selection.screen |
1300 |
&& ((selection.beg.row >= row && selection.beg.row <= row + num) |
1301 |
|| (selection.end.row >= row |
1302 |
&& selection.end.row <= row + num))) |
1303 |
CLEAR_SELECTION (); |
1304 |
|
1305 |
if (row >= TermWin.nrow) /* Out Of Bounds */ |
1306 |
return; |
1307 |
|
1308 |
MIN_IT (num, (TermWin.nrow - row)); |
1309 |
|
1310 |
if (rstyle & (RS_RVid | RS_Uline)) |
1311 |
ren = (rend_t) ~RS_None; |
1312 |
else if (GET_BASEBG (rstyle) == Color_bg) |
1313 |
{ |
1314 |
ren = DEFAULT_RSTYLE; |
1315 |
CLEAR_ROWS (row, num); |
1316 |
} |
1317 |
else |
1318 |
{ |
1319 |
ren = (rstyle & (RS_fgMask | RS_bgMask)); |
1320 |
gcvalue.foreground = PixColors[GET_BGCOLOR (rstyle)]; |
1321 |
XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); |
1322 |
ERASE_ROWS (row, num); |
1323 |
gcvalue.foreground = PixColors[Color_fg]; |
1324 |
XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); |
1325 |
} |
1326 |
|
1327 |
for (; num--; row++) |
1328 |
{ |
1329 |
scr_blank_screen_mem (screen.text, screen.rend, |
1330 |
(unsigned int) (row + row_offset), rstyle); |
1331 |
screen.tlen[row + row_offset] = 0; |
1332 |
scr_blank_line (drawn_text[row], drawn_rend[row], |
1333 |
(unsigned int)TermWin.ncol, ren); |
1334 |
} |
1335 |
} |
1336 |
|
1337 |
/* ------------------------------------------------------------------------- */ |
1338 |
/* |
1339 |
* Fill the screen with `E's |
1340 |
* XTERM_SEQ: Screen Alignment Test: ESC # 8 |
1341 |
*/ |
1342 |
void |
1343 |
rxvt_term::scr_E () |
1344 |
{ |
1345 |
int i, j, k; |
1346 |
rend_t *r1, fs; |
1347 |
|
1348 |
want_refresh = 1; |
1349 |
num_scr_allow = 0; |
1350 |
ZERO_SCROLLBACK (); |
1351 |
selection_check (3); |
1352 |
|
1353 |
fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); |
1354 |
for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) |
1355 |
{ |
1356 |
screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ |
1357 |
fill_text (screen.text[k], 'E', TermWin.ncol); |
1358 |
for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) |
1359 |
*r1++ = fs; |
1360 |
} |
1361 |
} |
1362 |
|
1363 |
/* ------------------------------------------------------------------------- */ |
1364 |
/* |
1365 |
* Insert/Delete <count> lines |
1366 |
*/ |
1367 |
void |
1368 |
rxvt_term::scr_insdel_lines (int count, int insdel) |
1369 |
{ |
1370 |
int end; |
1371 |
|
1372 |
ZERO_SCROLLBACK (); |
1373 |
|
1374 |
selection_check (1); |
1375 |
|
1376 |
if (screen.cur.row > screen.bscroll) |
1377 |
return; |
1378 |
|
1379 |
end = screen.bscroll - screen.cur.row + 1; |
1380 |
if (count > end) |
1381 |
{ |
1382 |
if (insdel == DELETE) |
1383 |
return; |
1384 |
else if (insdel == INSERT) |
1385 |
count = end; |
1386 |
} |
1387 |
screen.flags &= ~Screen_WrapNext; |
1388 |
|
1389 |
scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); |
1390 |
} |
1391 |
|
1392 |
/* ------------------------------------------------------------------------- */ |
1393 |
/* |
1394 |
* Insert/Delete <count> characters from the current position |
1395 |
*/ |
1396 |
void |
1397 |
rxvt_term::scr_insdel_chars (int count, int insdel) |
1398 |
{ |
1399 |
int col, row; |
1400 |
rend_t tr; |
1401 |
text_t *stp; |
1402 |
rend_t *srp; |
1403 |
int16_t *slp; |
1404 |
|
1405 |
want_refresh = 1; |
1406 |
ZERO_SCROLLBACK (); |
1407 |
|
1408 |
if (count <= 0) |
1409 |
return; |
1410 |
|
1411 |
selection_check (1); |
1412 |
MIN_IT (count, (TermWin.ncol - screen.cur.col)); |
1413 |
|
1414 |
row = screen.cur.row + TermWin.saveLines; |
1415 |
screen.flags &= ~Screen_WrapNext; |
1416 |
|
1417 |
stp = screen.text[row]; |
1418 |
srp = screen.rend[row]; |
1419 |
slp = & (screen.tlen[row]); |
1420 |
|
1421 |
switch (insdel) |
1422 |
{ |
1423 |
case INSERT: |
1424 |
for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; |
1425 |
col--) |
1426 |
{ |
1427 |
stp[col] = stp[col - count]; |
1428 |
srp[col] = srp[col - count]; |
1429 |
} |
1430 |
|
1431 |
if (*slp != -1) |
1432 |
{ |
1433 |
*slp += count; |
1434 |
MIN_IT (*slp, TermWin.ncol); |
1435 |
} |
1436 |
|
1437 |
if (selection.op && current_screen == selection.screen |
1438 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1439 |
{ |
1440 |
if (selection.end.row != screen.cur.row |
1441 |
|| (selection.end.col + count >= TermWin.ncol)) |
1442 |
CLEAR_SELECTION (); |
1443 |
else |
1444 |
{ /* shift selection */ |
1445 |
selection.beg.col += count; |
1446 |
selection.mark.col += count; /* XXX: yes? */ |
1447 |
selection.end.col += count; |
1448 |
} |
1449 |
} |
1450 |
|
1451 |
scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]), |
1452 |
(unsigned int)count, rstyle); |
1453 |
break; |
1454 |
|
1455 |
case ERASE: |
1456 |
screen.cur.col += count; /* don't worry if > TermWin.ncol */ |
1457 |
selection_check (1); |
1458 |
screen.cur.col -= count; |
1459 |
scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]), |
1460 |
(unsigned int)count, rstyle); |
1461 |
break; |
1462 |
|
1463 |
case DELETE: |
1464 |
tr = srp[TermWin.ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); |
1465 |
|
1466 |
for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) |
1467 |
{ |
1468 |
stp[col] = stp[col + count]; |
1469 |
srp[col] = srp[col + count]; |
1470 |
} |
1471 |
|
1472 |
scr_blank_line (& (stp[TermWin.ncol - count]), |
1473 |
& (srp[TermWin.ncol - count]), |
1474 |
(unsigned int)count, tr); |
1475 |
|
1476 |
if (*slp == -1) /* break line continuation */ |
1477 |
*slp = TermWin.ncol; |
1478 |
|
1479 |
*slp -= count; |
1480 |
MAX_IT (*slp, 0); |
1481 |
|
1482 |
if (selection.op && current_screen == selection.screen |
1483 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1484 |
{ |
1485 |
if (selection.end.row != screen.cur.row |
1486 |
|| (screen.cur.col >= selection.beg.col - count) |
1487 |
|| selection.end.col >= TermWin.ncol) |
1488 |
CLEAR_SELECTION (); |
1489 |
else |
1490 |
{ |
1491 |
/* shift selection */ |
1492 |
selection.beg.col -= count; |
1493 |
selection.mark.col -= count; /* XXX: yes? */ |
1494 |
selection.end.col -= count; |
1495 |
} |
1496 |
} |
1497 |
|
1498 |
break; |
1499 |
} |
1500 |
} |
1501 |
|
1502 |
/* ------------------------------------------------------------------------- */ |
1503 |
/* |
1504 |
* Set the scrolling region |
1505 |
* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r |
1506 |
*/ |
1507 |
void |
1508 |
rxvt_term::scr_scroll_region (int top, int bot) |
1509 |
{ |
1510 |
MAX_IT (top, 0); |
1511 |
MIN_IT (bot, (int)TermWin.nrow - 1); |
1512 |
|
1513 |
if (top > bot) |
1514 |
return; |
1515 |
|
1516 |
screen.tscroll = top; |
1517 |
screen.bscroll = bot; |
1518 |
scr_gotorc (0, 0, 0); |
1519 |
} |
1520 |
|
1521 |
/* ------------------------------------------------------------------------- */ |
1522 |
/* |
1523 |
* Make the cursor visible/invisible |
1524 |
* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h |
1525 |
* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l |
1526 |
*/ |
1527 |
void |
1528 |
rxvt_term::scr_cursor_visible (int mode) |
1529 |
{ |
1530 |
want_refresh = 1; |
1531 |
|
1532 |
if (mode) |
1533 |
screen.flags |= Screen_VisibleCursor; |
1534 |
else |
1535 |
screen.flags &= ~Screen_VisibleCursor; |
1536 |
} |
1537 |
|
1538 |
/* ------------------------------------------------------------------------- */ |
1539 |
/* |
1540 |
* Set/unset automatic wrapping |
1541 |
* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h |
1542 |
* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l |
1543 |
*/ |
1544 |
void |
1545 |
rxvt_term::scr_autowrap (int mode) |
1546 |
{ |
1547 |
if (mode) |
1548 |
screen.flags |= Screen_Autowrap; |
1549 |
else |
1550 |
screen.flags &= ~ (Screen_Autowrap | Screen_WrapNext); |
1551 |
} |
1552 |
|
1553 |
/* ------------------------------------------------------------------------- */ |
1554 |
/* |
1555 |
* Set/unset margin origin mode |
1556 |
* Absolute mode: line numbers are counted relative to top margin of screen |
1557 |
* and the cursor can be moved outside the scrolling region. |
1558 |
* Relative mode: line numbers are relative to top margin of scrolling region |
1559 |
* and the cursor cannot be moved outside. |
1560 |
* XTERM_SEQ: Set Absolute: ESC [ ? 6 h |
1561 |
* XTERM_SEQ: Set Relative: ESC [ ? 6 l |
1562 |
*/ |
1563 |
void |
1564 |
rxvt_term::scr_relative_origin (int mode) |
1565 |
{ |
1566 |
if (mode) |
1567 |
screen.flags |= Screen_Relative; |
1568 |
else |
1569 |
screen.flags &= ~Screen_Relative; |
1570 |
scr_gotorc (0, 0, 0); |
1571 |
} |
1572 |
|
1573 |
/* ------------------------------------------------------------------------- */ |
1574 |
/* |
1575 |
* Set insert/replace mode |
1576 |
* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h |
1577 |
* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l |
1578 |
*/ |
1579 |
void |
1580 |
rxvt_term::scr_insert_mode (int mode) |
1581 |
{ |
1582 |
if (mode) |
1583 |
screen.flags |= Screen_Insert; |
1584 |
else |
1585 |
screen.flags &= ~Screen_Insert; |
1586 |
} |
1587 |
|
1588 |
/* ------------------------------------------------------------------------- */ |
1589 |
/* |
1590 |
* Set/Unset tabs |
1591 |
* XTERM_SEQ: Set tab at current column : ESC H |
1592 |
* XTERM_SEQ: Clear tab at current column: ESC [ 0 g |
1593 |
* XTERM_SEQ: Clear all tabs : ESC [ 3 g |
1594 |
*/ |
1595 |
void |
1596 |
rxvt_term::scr_set_tab (int mode) |
1597 |
{ |
1598 |
if (mode < 0) |
1599 |
MEMSET (tabs, 0, TermWin.ncol * sizeof (char)); |
1600 |
else if (screen.cur.col < TermWin.ncol) |
1601 |
tabs[screen.cur.col] = (mode ? 1 : 0); |
1602 |
} |
1603 |
|
1604 |
/* ------------------------------------------------------------------------- */ |
1605 |
/* |
1606 |
* Set reverse/normal video |
1607 |
* XTERM_SEQ: Reverse video: ESC [ ? 5 h |
1608 |
* XTERM_SEQ: Normal video : ESC [ ? 5 l |
1609 |
*/ |
1610 |
void |
1611 |
rxvt_term::scr_rvideo_mode (int mode) |
1612 |
{ |
1613 |
XGCValues gcvalue; |
1614 |
|
1615 |
if (rvideo != mode) |
1616 |
{ |
1617 |
rvideo = mode; |
1618 |
SWAP_IT (PixColors[Color_fg], PixColors[Color_bg], rxvt_color); |
1619 |
#if defined(XPM_BACKGROUND) |
1620 |
if (bgPixmap.pixmap == None) |
1621 |
#endif |
1622 |
#if defined(TRANSPARENT) |
1623 |
if (! (Options & Opt_transparent) || am_transparent == 0) |
1624 |
#endif |
1625 |
XSetWindowBackground (display->display, TermWin.vt, |
1626 |
PixColors[Color_bg]); |
1627 |
|
1628 |
gcvalue.foreground = PixColors[Color_fg]; |
1629 |
gcvalue.background = PixColors[Color_bg]; |
1630 |
XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground, |
1631 |
&gcvalue); |
1632 |
scr_clear (); |
1633 |
scr_touch (true); |
1634 |
} |
1635 |
} |
1636 |
|
1637 |
/* ------------------------------------------------------------------------- */ |
1638 |
/* |
1639 |
* Report current cursor position |
1640 |
* XTERM_SEQ: Report position: ESC [ 6 n |
1641 |
*/ |
1642 |
void |
1643 |
rxvt_term::scr_report_position () |
1644 |
{ |
1645 |
tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); |
1646 |
} |
1647 |
|
1648 |
/* ------------------------------------------------------------------------- * |
1649 |
* FONTS * |
1650 |
* ------------------------------------------------------------------------- */ |
1651 |
|
1652 |
/* |
1653 |
* Set font style |
1654 |
*/ |
1655 |
void |
1656 |
rxvt_term::set_font_style () |
1657 |
{ |
1658 |
switch (charsets[screen.charset]) |
1659 |
{ |
1660 |
case '0': /* DEC Special Character & Line Drawing Set */ |
1661 |
break; |
1662 |
case 'A': /* United Kingdom (UK) */ |
1663 |
break; |
1664 |
case 'B': /* United States (USASCII) */ |
1665 |
break; |
1666 |
case '<': /* Multinational character set */ |
1667 |
break; |
1668 |
case '5': /* Finnish character set */ |
1669 |
break; |
1670 |
case 'C': /* Finnish character set */ |
1671 |
break; |
1672 |
case 'K': /* German character set */ |
1673 |
break; |
1674 |
} |
1675 |
} |
1676 |
|
1677 |
/* ------------------------------------------------------------------------- */ |
1678 |
/* |
1679 |
* Choose a font |
1680 |
* XTERM_SEQ: Invoke G0 character set: CTRL-O |
1681 |
* XTERM_SEQ: Invoke G1 character set: CTRL-N |
1682 |
* XTERM_SEQ: Invoke G2 character set: ESC N |
1683 |
* XTERM_SEQ: Invoke G3 character set: ESC O |
1684 |
*/ |
1685 |
void |
1686 |
rxvt_term::scr_charset_choose (int set) |
1687 |
{ |
1688 |
screen.charset = set; |
1689 |
set_font_style (); |
1690 |
} |
1691 |
|
1692 |
/* ------------------------------------------------------------------------- */ |
1693 |
/* |
1694 |
* Set a font |
1695 |
* XTERM_SEQ: Set G0 character set: ESC ( <C> |
1696 |
* XTERM_SEQ: Set G1 character set: ESC ) <C> |
1697 |
* XTERM_SEQ: Set G2 character set: ESC * <C> |
1698 |
* XTERM_SEQ: Set G3 character set: ESC + <C> |
1699 |
* See set_font_style for possible values for <C> |
1700 |
*/ |
1701 |
void |
1702 |
rxvt_term::scr_charset_set (int set, unsigned int ch) |
1703 |
{ |
1704 |
charsets[set] = (unsigned char)ch; |
1705 |
set_font_style (); |
1706 |
} |
1707 |
|
1708 |
|
1709 |
/* ------------------------------------------------------------------------- * |
1710 |
* MAJOR SCREEN MANIPULATION * |
1711 |
* ------------------------------------------------------------------------- */ |
1712 |
|
1713 |
/* |
1714 |
* refresh matching text. |
1715 |
*/ |
1716 |
bool |
1717 |
rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) |
1718 |
{ |
1719 |
bool found = false; |
1720 |
|
1721 |
for (int i = 0; i < TermWin.nrow; i++) |
1722 |
{ |
1723 |
int col = 0; |
1724 |
rend_t *drp = drawn_rend [i]; |
1725 |
|
1726 |
for (; col < TermWin.ncol; col++, drp++) |
1727 |
if ((*drp & mask) == value) |
1728 |
{ |
1729 |
found = true; |
1730 |
*drp = ~value; |
1731 |
} |
1732 |
} |
1733 |
|
1734 |
return found; |
1735 |
} |
1736 |
|
1737 |
/* |
1738 |
* Refresh an area |
1739 |
*/ |
1740 |
enum { |
1741 |
PART_BEG = 0, |
1742 |
PART_END, |
1743 |
RC_COUNT |
1744 |
}; |
1745 |
|
1746 |
void |
1747 |
rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) |
1748 |
{ |
1749 |
int i; |
1750 |
row_col_t rc[RC_COUNT]; |
1751 |
|
1752 |
if (drawn_text == NULL) /* sanity check */ |
1753 |
return; |
1754 |
|
1755 |
#ifndef NO_SLOW_LINK_SUPPORT |
1756 |
if (refresh_type == FAST_REFRESH && !display->is_local) |
1757 |
{ |
1758 |
y = 0; |
1759 |
height = TermWin.height; |
1760 |
} |
1761 |
#endif |
1762 |
|
1763 |
#ifdef DEBUG_STRICT |
1764 |
x = max (x, 0); |
1765 |
x = min (x, (int)TermWin.width); |
1766 |
y = max (y, 0); |
1767 |
y = min (y, (int)TermWin.height); |
1768 |
#endif |
1769 |
|
1770 |
/* round down */ |
1771 |
rc[PART_BEG].col = Pixel2Col (x); |
1772 |
rc[PART_BEG].row = Pixel2Row (y); |
1773 |
/* round up */ |
1774 |
rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1); |
1775 |
rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1); |
1776 |
|
1777 |
/* sanity checks */ |
1778 |
for (i = PART_BEG; i < RC_COUNT; i++) |
1779 |
{ |
1780 |
MIN_IT (rc[i].col, TermWin.ncol - 1); |
1781 |
MIN_IT (rc[i].row, TermWin.nrow - 1); |
1782 |
} |
1783 |
|
1784 |
D_SCREEN ((stderr, "rxvt_scr_expose (x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)- (c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row)); |
1785 |
|
1786 |
for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) |
1787 |
fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); |
1788 |
|
1789 |
if (refresh) |
1790 |
scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); |
1791 |
} |
1792 |
|
1793 |
/* ------------------------------------------------------------------------- */ |
1794 |
/* |
1795 |
* Refresh the entire screen |
1796 |
*/ |
1797 |
void |
1798 |
rxvt_term::scr_touch (bool refresh) |
1799 |
{ |
1800 |
scr_expose (0, 0, TermWin.width, TermWin.height, refresh); |
1801 |
} |
1802 |
|
1803 |
/* ------------------------------------------------------------------------- */ |
1804 |
/* |
1805 |
* Move the display so that the line represented by scrollbar value Y is at |
1806 |
* the top of the screen |
1807 |
*/ |
1808 |
int |
1809 |
rxvt_term::scr_move_to (int y, int len) |
1810 |
{ |
1811 |
long p = 0; |
1812 |
uint16_t oldviewstart; |
1813 |
|
1814 |
oldviewstart = TermWin.view_start; |
1815 |
if (y < len) |
1816 |
{ |
1817 |
p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len; |
1818 |
p -= (long) (TermWin.nrow - 1); |
1819 |
p = max (p, 0); |
1820 |
} |
1821 |
TermWin.view_start = (uint16_t)min (p, TermWin.nscrolled); |
1822 |
D_SCREEN ((stderr, "rxvt_scr_move_to (%d, %d) view_start:%d", y, len, TermWin.view_start)); |
1823 |
|
1824 |
return scr_changeview (oldviewstart); |
1825 |
} |
1826 |
|
1827 |
/* ------------------------------------------------------------------------- */ |
1828 |
/* |
1829 |
* Page the screen up/down nlines |
1830 |
* direction should be UP or DN |
1831 |
*/ |
1832 |
int |
1833 |
rxvt_term::scr_page (enum page_dirn direction, int nlines) |
1834 |
{ |
1835 |
int n; |
1836 |
uint16_t oldviewstart; |
1837 |
|
1838 |
D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start)); |
1839 |
#ifdef DEBUG_STRICT |
1840 |
assert ((nlines >= 0) && (nlines <= TermWin.nrow)); |
1841 |
#endif |
1842 |
oldviewstart = TermWin.view_start; |
1843 |
if (direction == UP) |
1844 |
{ |
1845 |
n = TermWin.view_start + nlines; |
1846 |
TermWin.view_start = min (n, TermWin.nscrolled); |
1847 |
} |
1848 |
else |
1849 |
{ |
1850 |
n = TermWin.view_start - nlines; |
1851 |
TermWin.view_start = max (n, 0); |
1852 |
} |
1853 |
return scr_changeview (oldviewstart); |
1854 |
} |
1855 |
|
1856 |
int |
1857 |
rxvt_term::scr_changeview (uint16_t oldviewstart) |
1858 |
{ |
1859 |
if (TermWin.view_start != oldviewstart) |
1860 |
{ |
1861 |
want_refresh = 1; |
1862 |
num_scr -= (TermWin.view_start - oldviewstart); |
1863 |
} |
1864 |
|
1865 |
return (int) (TermWin.view_start - oldviewstart); |
1866 |
} |
1867 |
|
1868 |
/* ------------------------------------------------------------------------- */ |
1869 |
void |
1870 |
rxvt_term::scr_bell () |
1871 |
{ |
1872 |
#ifndef NO_BELL |
1873 |
# ifndef NO_MAPALERT |
1874 |
# ifdef MAPALERT_OPTION |
1875 |
if (Options & Opt_mapAlert) |
1876 |
# endif |
1877 |
XMapWindow (display->display, TermWin.parent[0]); |
1878 |
# endif |
1879 |
if (Options & Opt_visualBell) |
1880 |
{ |
1881 |
scr_rvideo_mode (!rvideo); /* refresh also done */ |
1882 |
scr_rvideo_mode (!rvideo); /* refresh also done */ |
1883 |
} |
1884 |
else |
1885 |
XBell (display->display, 0); |
1886 |
#endif |
1887 |
} |
1888 |
|
1889 |
/* ------------------------------------------------------------------------- */ |
1890 |
/* ARGSUSED */ |
1891 |
void |
1892 |
rxvt_term::scr_printscreen (int fullhist) |
1893 |
{ |
1894 |
#ifdef PRINTPIPE |
1895 |
int i, r1, nrows, row_offset; |
1896 |
text_t *t; |
1897 |
FILE *fd; |
1898 |
|
1899 |
if ((fd = popen_printer ()) == NULL) |
1900 |
return; |
1901 |
nrows = TermWin.nrow; |
1902 |
row_offset = TermWin.saveLines; |
1903 |
if (!fullhist) |
1904 |
row_offset -= TermWin.view_start; |
1905 |
else |
1906 |
{ |
1907 |
nrows += TermWin.nscrolled; |
1908 |
row_offset -= TermWin.nscrolled; |
1909 |
} |
1910 |
|
1911 |
for (r1 = 0; r1 < nrows; r1++) |
1912 |
{ |
1913 |
t = screen.text[r1 + row_offset]; |
1914 |
for (i = TermWin.ncol - 1; i >= 0; i--) |
1915 |
if (!isspace (t[i])) |
1916 |
break; |
1917 |
fprintf (fd, "%.*s\n", (i + 1), t); |
1918 |
} |
1919 |
pclose_printer (fd); |
1920 |
#endif |
1921 |
} |
1922 |
|
1923 |
/* ------------------------------------------------------------------------- */ |
1924 |
/* |
1925 |
* Refresh the screen |
1926 |
* drawn_text/drawn_rend contain the screen information before the update. |
1927 |
* screen.text/screen.rend contain what the screen will change to. |
1928 |
*/ |
1929 |
|
1930 |
#define FONT_WIDTH(X, Y) \ |
1931 |
(X)->per_char[ (Y) - (X)->min_char_or_byte2].width |
1932 |
#define FONT_RBEAR(X, Y) \ |
1933 |
(X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing |
1934 |
#define FONT_LBEAR(X, Y) \ |
1935 |
(X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing |
1936 |
#define IS_FONT_CHAR(X, Y) \ |
1937 |
((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2) |
1938 |
|
1939 |
void |
1940 |
rxvt_term::scr_refresh (unsigned char refresh_type) |
1941 |
{ |
1942 |
unsigned char clearfirst, /* first character writes before cell */ |
1943 |
clearlast, /* last character writes beyond cell */ |
1944 |
must_clear, /* use draw_string not draw_image_string */ |
1945 |
rvid, /* reverse video this position */ |
1946 |
showcursor; /* show the cursor */ |
1947 |
int16_t col, row, /* column/row we're processing */ |
1948 |
ocrow; /* old cursor row */ |
1949 |
int i, /* tmp */ |
1950 |
row_offset; /* basic offset in screen structure */ |
1951 |
#ifndef NO_CURSORCOLOR |
1952 |
rend_t cc1; /* store colours at cursor position (s) */ |
1953 |
#endif |
1954 |
rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ |
1955 |
text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */ |
1956 |
|
1957 |
if (refresh_type == NO_REFRESH || !TermWin.mapped) |
1958 |
return; |
1959 |
|
1960 |
/* |
1961 |
* A: set up vars |
1962 |
*/ |
1963 |
clearfirst = clearlast = must_clear = 0; |
1964 |
|
1965 |
refresh_count = 0; |
1966 |
|
1967 |
row_offset = TermWin.saveLines - TermWin.view_start; |
1968 |
|
1969 |
if ((refresh_type & REFRESH_BOUNDS)) |
1970 |
{ |
1971 |
clearfirst = clearlast = 1; |
1972 |
refresh_type &= ~REFRESH_BOUNDS; |
1973 |
} |
1974 |
|
1975 |
#ifdef XPM_BACKGROUND |
1976 |
must_clear |= (bgPixmap.pixmap != None); |
1977 |
#endif |
1978 |
#ifdef TRANSPARENT |
1979 |
must_clear |= ((Options & Opt_transparent) && am_transparent); |
1980 |
#endif |
1981 |
ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ |
1982 |
|
1983 |
/* |
1984 |
* B: reverse any characters which are selected |
1985 |
*/ |
1986 |
scr_reverse_selection (); |
1987 |
|
1988 |
/* |
1989 |
* C: set the cursor character (s) |
1990 |
*/ |
1991 |
{ |
1992 |
unsigned char setoldcursor; |
1993 |
rend_t ccol1, /* Cursor colour */ |
1994 |
ccol2; /* Cursor colour2 */ |
1995 |
|
1996 |
showcursor = (screen.flags & Screen_VisibleCursor); |
1997 |
#ifdef CURSOR_BLINK |
1998 |
if (hidden_cursor) |
1999 |
showcursor = 0; |
2000 |
#endif |
2001 |
|
2002 |
if (showcursor) |
2003 |
{ |
2004 |
srp = &(screen.rend[screen.cur.row + TermWin.saveLines][screen.cur.col]); |
2005 |
|
2006 |
if (showcursor && TermWin.focus) |
2007 |
{ |
2008 |
*srp ^= RS_RVid; |
2009 |
#ifndef NO_CURSORCOLOR |
2010 |
cc1 = *srp & (RS_fgMask | RS_bgMask); |
2011 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2012 |
ccol1 = Color_cursor; |
2013 |
else |
2014 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
2015 |
ccol1 = GET_FGCOLOR (rstyle); |
2016 |
#else |
2017 |
ccol1 = Color_fg; |
2018 |
#endif |
2019 |
if (ISSET_PIXCOLOR (Color_cursor2)) |
2020 |
ccol2 = Color_cursor2; |
2021 |
else |
2022 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
2023 |
ccol2 = GET_BGCOLOR (rstyle); |
2024 |
#else |
2025 |
ccol2 = Color_bg; |
2026 |
#endif |
2027 |
*srp = SET_FGCOLOR (*srp, ccol1); |
2028 |
*srp = SET_BGCOLOR (*srp, ccol2); |
2029 |
#endif |
2030 |
} |
2031 |
} |
2032 |
|
2033 |
/* make sure no outline cursor is left around */ |
2034 |
setoldcursor = 0; |
2035 |
if (ocrow != -1) |
2036 |
{ |
2037 |
if (screen.cur.row + TermWin.view_start != ocrow |
2038 |
|| screen.cur.col != oldcursor.col) |
2039 |
{ |
2040 |
if (ocrow < TermWin.nrow |
2041 |
&& oldcursor.col < TermWin.ncol) |
2042 |
drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline); |
2043 |
|
2044 |
if (TermWin.focus || !showcursor) |
2045 |
oldcursor.row = -1; |
2046 |
else |
2047 |
setoldcursor = 1; |
2048 |
} |
2049 |
} |
2050 |
else if (!TermWin.focus) |
2051 |
setoldcursor = 1; |
2052 |
|
2053 |
if (setoldcursor) |
2054 |
{ |
2055 |
if (screen.cur.row + TermWin.view_start >= TermWin.nrow) |
2056 |
oldcursor.row = -1; |
2057 |
else |
2058 |
{ |
2059 |
oldcursor.row = screen.cur.row + TermWin.view_start; |
2060 |
oldcursor.col = screen.cur.col; |
2061 |
} |
2062 |
} |
2063 |
} |
2064 |
|
2065 |
#ifndef NO_SLOW_LINK_SUPPORT |
2066 |
/* |
2067 |
* D: CopyArea pass - very useful for slower links |
2068 |
* This has been deliberately kept simple. |
2069 |
*/ |
2070 |
i = num_scr; |
2071 |
if (!display->is_local |
2072 |
&& refresh_type == FAST_REFRESH && num_scr_allow && i |
2073 |
&& abs (i) < TermWin.nrow && !must_clear) |
2074 |
{ |
2075 |
int16_t nits; |
2076 |
int j; |
2077 |
rend_t *drp2; |
2078 |
text_t *dtp2; |
2079 |
int len, wlen; |
2080 |
|
2081 |
j = TermWin.nrow; |
2082 |
wlen = len = -1; |
2083 |
row = i > 0 ? 0 : j - 1; |
2084 |
for (; j-- >= 0; row += (i > 0 ? 1 : -1)) |
2085 |
{ |
2086 |
if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) |
2087 |
{ |
2088 |
stp = screen.text[row + row_offset]; |
2089 |
srp = screen.rend[row + row_offset]; |
2090 |
dtp = drawn_text[row]; |
2091 |
dtp2 = drawn_text[row + i]; |
2092 |
drp = drawn_rend[row]; |
2093 |
drp2 = drawn_rend[row + i]; |
2094 |
|
2095 |
for (nits = 0, col = TermWin.ncol; col--; ) |
2096 |
if (stp[col] != dtp2[col] || srp[col] != drp2[col]) |
2097 |
nits--; |
2098 |
else if (stp[col] != dtp[col] || srp[col] != drp[col]) |
2099 |
nits++; |
2100 |
|
2101 |
if (nits > 8) /* XXX: arbitrary choice */ |
2102 |
{ |
2103 |
for (col = TermWin.ncol; col--; ) |
2104 |
{ |
2105 |
*dtp++ = *dtp2++; |
2106 |
*drp++ = *drp2++; |
2107 |
} |
2108 |
|
2109 |
if (len == -1) |
2110 |
len = row; |
2111 |
|
2112 |
wlen = row; |
2113 |
continue; |
2114 |
} |
2115 |
} |
2116 |
|
2117 |
if (len != -1) |
2118 |
{ |
2119 |
/* also comes here at end if needed because of >= above */ |
2120 |
if (wlen < len) |
2121 |
SWAP_IT (wlen, len, int); |
2122 |
|
2123 |
D_SCREEN ((stderr, "rxvt_scr_refresh (): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); |
2124 |
XCopyArea (display->display, TermWin.vt, TermWin.vt, |
2125 |
TermWin.gc, 0, Row2Pixel (len + i), |
2126 |
(unsigned int)TermWin_TotalWidth (), |
2127 |
(unsigned int)Height2Pixel (wlen - len + 1), |
2128 |
0, Row2Pixel (len)); |
2129 |
len = -1; |
2130 |
} |
2131 |
} |
2132 |
} |
2133 |
#endif |
2134 |
|
2135 |
/* |
2136 |
* E: main pass across every character |
2137 |
*/ |
2138 |
for (row = 0; row < TermWin.nrow; row++) |
2139 |
{ |
2140 |
stp = screen.text[row + row_offset]; |
2141 |
srp = screen.rend[row + row_offset]; |
2142 |
dtp = drawn_text[row]; |
2143 |
drp = drawn_rend[row]; |
2144 |
|
2145 |
/* |
2146 |
* E2: OK, now the real pass |
2147 |
*/ |
2148 |
int ypixel = (int)Row2Pixel (row); |
2149 |
|
2150 |
for (col = 0; col < TermWin.ncol; col++) |
2151 |
{ |
2152 |
/* compare new text with old - if exactly the same then continue */ |
2153 |
if (stp[col] == dtp[col] /* Must match characters to skip. */ |
2154 |
&& (srp[col] == drp[col] /* Either rendition the same or */ |
2155 |
|| (stp[col] == ' ' /* space w/ no background change */ |
2156 |
&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col])))) |
2157 |
continue; |
2158 |
|
2159 |
// redraw one or more characters |
2160 |
|
2161 |
// seek to the beginning if wide characters |
2162 |
while (stp[col] == NOCHAR && col > 0) |
2163 |
--col; |
2164 |
|
2165 |
rend_t rend = srp[col]; /* screen rendition (target rendtion) */ |
2166 |
text_t *text = stp + col; |
2167 |
int count = 1; |
2168 |
|
2169 |
dtp[col] = stp[col]; |
2170 |
drp[col] = rend; |
2171 |
|
2172 |
int xpixel = Col2Pixel (col); |
2173 |
|
2174 |
// this loop looks very messy, it can probably be optimized |
2175 |
// and cleaned a bit by you? |
2176 |
for (i = 0; ++col < TermWin.ncol; ) |
2177 |
{ |
2178 |
if (stp[col] == NOCHAR) |
2179 |
{ |
2180 |
dtp[col] = stp[col]; |
2181 |
drp[col] = rend; |
2182 |
count++; |
2183 |
|
2184 |
if (i) // only possible skip if char unchanged |
2185 |
i++; |
2186 |
|
2187 |
continue; |
2188 |
} |
2189 |
|
2190 |
if (rend != srp[col]) |
2191 |
break; |
2192 |
|
2193 |
count++; |
2194 |
|
2195 |
if (stp[col] != dtp[col] |
2196 |
|| srp[col] != drp[col]) |
2197 |
{ |
2198 |
if (must_clear && (i++ > (count / 2))) |
2199 |
break; |
2200 |
|
2201 |
dtp[col] = stp[col]; |
2202 |
drp[col] = rend; |
2203 |
i = 0; |
2204 |
} |
2205 |
else if (must_clear || (stp[col] != ' ' && ++i >= 32)) |
2206 |
break; |
2207 |
} |
2208 |
|
2209 |
col--; /* went one too far. move back */ |
2210 |
count -= i; /* dump any matching trailing chars */ |
2211 |
|
2212 |
/* |
2213 |
* Determine the attributes for the string |
2214 |
*/ |
2215 |
int fid = GET_FONT (rend); |
2216 |
int fore = GET_FGCOLOR (rend); // desired foreground |
2217 |
int back = GET_BGCOLOR (rend); // desired background |
2218 |
|
2219 |
rend = GET_ATTR (rend); |
2220 |
|
2221 |
rvid = !!(rend & RS_RVid); |
2222 |
|
2223 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2224 |
if (rend & RS_Bold && fore == Color_fg && !(Options & Opt_realBold)) |
2225 |
{ |
2226 |
if (ISSET_PIXCOLOR (Color_BD)) |
2227 |
fore = Color_BD; |
2228 |
else |
2229 |
rvid = !rvid; |
2230 |
} |
2231 |
|
2232 |
if (rend & RS_Uline) |
2233 |
if (ISSET_PIXCOLOR (Color_UL)) |
2234 |
fore = Color_UL; |
2235 |
#endif |
2236 |
|
2237 |
if (rvid) |
2238 |
{ |
2239 |
SWAP_IT (fore, back, int); |
2240 |
|
2241 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2242 |
if (ISSET_PIXCOLOR (Color_RV) |
2243 |
# ifndef NO_CURSORCOLOR |
2244 |
&& !ISSET_PIXCOLOR (Color_cursor) |
2245 |
# endif |
2246 |
) |
2247 |
back = Color_RV; |
2248 |
#endif |
2249 |
} |
2250 |
|
2251 |
#ifdef TEXT_BLINK |
2252 |
if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) |
2253 |
{ |
2254 |
if (!text_blink_ev.active) |
2255 |
{ |
2256 |
text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); |
2257 |
hidden_text = 0; |
2258 |
} |
2259 |
else if (hidden_text) |
2260 |
fore = back; |
2261 |
} |
2262 |
#endif |
2263 |
|
2264 |
/* |
2265 |
* Actually do the drawing of the string here |
2266 |
*/ |
2267 |
rxvt_font *font = (*TermWin.fontset)[fid]; |
2268 |
|
2269 |
if (back == fore) |
2270 |
font->clear_rect (*TermWin.drawable, xpixel, ypixel, |
2271 |
TermWin.fwidth * count, TermWin.fheight, |
2272 |
back); |
2273 |
else if (back == Color_bg) |
2274 |
{ |
2275 |
if (must_clear) |
2276 |
{ |
2277 |
CLEAR_CHARS (xpixel, ypixel, count); |
2278 |
|
2279 |
for (i = 0; i < count; i++) /* don't draw empty strings */ |
2280 |
if (text[i] != ' ') |
2281 |
{ |
2282 |
font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1); |
2283 |
break; |
2284 |
} |
2285 |
} |
2286 |
else |
2287 |
font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg); |
2288 |
} |
2289 |
else |
2290 |
font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back); |
2291 |
|
2292 |
if (rend & RS_Uline && font->descent > 1 && fore != back) |
2293 |
XDrawLine (display->display, drawBuffer, TermWin.gc, |
2294 |
xpixel, ypixel + font->ascent + 1, |
2295 |
xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); |
2296 |
} /* for (col....) */ |
2297 |
} /* for (row....) */ |
2298 |
|
2299 |
/* |
2300 |
* G: cleanup cursor and display outline cursor if necessary |
2301 |
*/ |
2302 |
if (showcursor) |
2303 |
{ |
2304 |
if (TermWin.focus) |
2305 |
{ |
2306 |
srp = & (screen.rend[screen.cur.row + TermWin.saveLines] |
2307 |
[screen.cur.col]); |
2308 |
*srp ^= RS_RVid; |
2309 |
#ifndef NO_CURSORCOLOR |
2310 |
*srp = (*srp & ~ (RS_fgMask | RS_bgMask)) | cc1; |
2311 |
#endif |
2312 |
} |
2313 |
else if (oldcursor.row >= 0) |
2314 |
{ |
2315 |
#ifndef NO_CURSORCOLOR |
2316 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2317 |
XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]); |
2318 |
#endif |
2319 |
int cursorwidth = 1; |
2320 |
while (oldcursor.col + cursorwidth < TermWin.ncol |
2321 |
&& drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR) |
2322 |
cursorwidth++; |
2323 |
|
2324 |
XDrawRectangle (display->display, drawBuffer, TermWin.gc, |
2325 |
Col2Pixel (oldcursor.col), |
2326 |
Row2Pixel (oldcursor.row), |
2327 |
(unsigned int) (Width2Pixel (cursorwidth) - 1), |
2328 |
(unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1)); |
2329 |
} |
2330 |
} |
2331 |
|
2332 |
/* |
2333 |
* H: cleanup selection |
2334 |
*/ |
2335 |
scr_reverse_selection (); |
2336 |
|
2337 |
/* |
2338 |
* I: other general cleanup |
2339 |
*/ |
2340 |
#if 0 |
2341 |
if (clearfirst && TermWin.int_bwidth) |
2342 |
/* |
2343 |
* clear the whole screen height, note that width == 0 is treated |
2344 |
* specially by XClearArea |
2345 |
*/ |
2346 |
XClearArea (display->display, TermWin.vt, 0, 0, |
2347 |
(unsigned int)TermWin.int_bwidth, |
2348 |
(unsigned int)TermWin_TotalHeight (), False); |
2349 |
|
2350 |
if (clearlast && TermWin.int_bwidth) |
2351 |
/* |
2352 |
* clear the whole screen height, note that width == 0 is treated |
2353 |
* specially by XClearArea |
2354 |
*/ |
2355 |
XClearArea (display->display, TermWin.vt, |
2356 |
TermWin.width + TermWin.int_bwidth, 0, |
2357 |
(unsigned int)TermWin.int_bwidth, |
2358 |
(unsigned int)TermWin_TotalHeight (), False); |
2359 |
#endif |
2360 |
|
2361 |
if (refresh_type & SMOOTH_REFRESH) |
2362 |
XFlush (display->display); |
2363 |
|
2364 |
num_scr = 0; |
2365 |
num_scr_allow = 1; |
2366 |
want_refresh = 0; /* screen is current */ |
2367 |
} |
2368 |
|
2369 |
void |
2370 |
rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp) |
2371 |
{ |
2372 |
if (!rp || !tp) |
2373 |
return; |
2374 |
|
2375 |
for (int i = TermWin.ncol; i; i--, rp++, tp++) |
2376 |
*rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp)); |
2377 |
} |
2378 |
|
2379 |
void |
2380 |
rxvt_term::scr_remap_chars () |
2381 |
{ |
2382 |
for (int i = TermWin.nrow + TermWin.saveLines; i--; ) |
2383 |
scr_remap_chars (screen.text[i], screen.rend[i]); |
2384 |
|
2385 |
for (int i = TermWin.nrow; i--; ) |
2386 |
{ |
2387 |
scr_remap_chars (drawn_text[i], drawn_rend[i]); |
2388 |
scr_remap_chars (swap.text[i], swap.rend[i]); |
2389 |
} |
2390 |
} |
2391 |
|
2392 |
/* ------------------------------------------------------------------------- */ |
2393 |
void |
2394 |
rxvt_term::scr_clear (bool really) |
2395 |
{ |
2396 |
if (!TermWin.mapped) |
2397 |
return; |
2398 |
|
2399 |
num_scr_allow = 0; |
2400 |
want_refresh = 1; |
2401 |
|
2402 |
#ifdef TRANSPARENT |
2403 |
if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) |
2404 |
{ |
2405 |
int i; |
2406 |
|
2407 |
if (! (Options & Opt_transparent_all)) |
2408 |
i = 0; |
2409 |
else |
2410 |
i = (int) (sizeof (TermWin.parent) / sizeof (Window)); |
2411 |
|
2412 |
while (i--) |
2413 |
if (TermWin.parent[i] != None) |
2414 |
XClearWindow (display->display, TermWin.parent[i]); |
2415 |
} |
2416 |
#endif |
2417 |
|
2418 |
if (really) |
2419 |
XClearWindow (display->display, TermWin.vt); |
2420 |
} |
2421 |
|
2422 |
/* ------------------------------------------------------------------------- */ |
2423 |
void |
2424 |
rxvt_term::scr_reverse_selection () |
2425 |
{ |
2426 |
if (selection.op && current_screen == selection.screen) |
2427 |
{ |
2428 |
int end_row = TermWin.saveLines - TermWin.view_start; |
2429 |
int i = selection.beg.row + TermWin.saveLines; |
2430 |
int col, row = selection.end.row + TermWin.saveLines; |
2431 |
rend_t *srp; |
2432 |
|
2433 |
if (i >= end_row) |
2434 |
col = selection.beg.col; |
2435 |
else |
2436 |
{ |
2437 |
col = 0; |
2438 |
i = end_row; |
2439 |
} |
2440 |
|
2441 |
end_row += TermWin.nrow; |
2442 |
for (; i < row && i < end_row; i++, col = 0) |
2443 |
for (srp = screen.rend[i]; col < TermWin.ncol; col++) |
2444 |
srp[col] ^= RS_RVid; |
2445 |
|
2446 |
if (i == row && i < end_row) |
2447 |
for (srp = screen.rend[i]; col < selection.end.col; col++) |
2448 |
srp[col] ^= RS_RVid; |
2449 |
} |
2450 |
} |
2451 |
|
2452 |
/* ------------------------------------------------------------------------- */ |
2453 |
/* |
2454 |
* Dump the whole scrollback and screen to the passed filedescriptor. The |
2455 |
* invoking routine must close the fd. |
2456 |
*/ |
2457 |
#if 0 |
2458 |
void |
2459 |
rxvt_term::scr_dump (int fd) |
2460 |
{ |
2461 |
int row, wrote; |
2462 |
unsigned int width, towrite; |
2463 |
char r1[] = "\n"; |
2464 |
|
2465 |
for (row = TermWin.saveLines - TermWin.nscrolled; |
2466 |
row < TermWin.saveLines + TermWin.nrow - 1; row++) |
2467 |
{ |
2468 |
width = screen.tlen[row] >= 0 ? screen.tlen[row] |
2469 |
: TermWin.ncol; |
2470 |
for (towrite = width; towrite; towrite -= wrote) |
2471 |
{ |
2472 |
wrote = write (fd, & (screen.text[row][width - towrite]), |
2473 |
towrite); |
2474 |
if (wrote < 0) |
2475 |
return; /* XXX: death, no report */ |
2476 |
} |
2477 |
if (screen.tlen[row] >= 0) |
2478 |
if (write (fd, r1, 1) <= 0) |
2479 |
return; /* XXX: death, no report */ |
2480 |
} |
2481 |
} |
2482 |
#endif |
2483 |
|
2484 |
/* ------------------------------------------------------------------------- * |
2485 |
* CHARACTER SELECTION * |
2486 |
* ------------------------------------------------------------------------- */ |
2487 |
|
2488 |
/* |
2489 |
* -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1 |
2490 |
*/ |
2491 |
void |
2492 |
rxvt_term::selection_check (int check_more) |
2493 |
{ |
2494 |
row_col_t pos; |
2495 |
|
2496 |
if (!selection.op) |
2497 |
return; |
2498 |
|
2499 |
pos.row = pos.col = 0; |
2500 |
if ((selection.beg.row < - (int32_t)TermWin.nscrolled) |
2501 |
|| (selection.beg.row >= TermWin.nrow) |
2502 |
|| (selection.mark.row < - (int32_t)TermWin.nscrolled) |
2503 |
|| (selection.mark.row >= TermWin.nrow) |
2504 |
|| (selection.end.row < - (int32_t)TermWin.nscrolled) |
2505 |
|| (selection.end.row >= TermWin.nrow) |
2506 |
|| (check_more == 1 |
2507 |
&& current_screen == selection.screen |
2508 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
2509 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end)) |
2510 |
|| (check_more == 2 |
2511 |
&& ROWCOL_IS_BEFORE (selection.beg, pos) |
2512 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
2513 |
|| (check_more == 3 |
2514 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
2515 |
|| (check_more == 4 /* screen width change */ |
2516 |
&& (selection.beg.row != selection.end.row |
2517 |
|| selection.end.col > TermWin.ncol))) |
2518 |
CLEAR_SELECTION (); |
2519 |
} |
2520 |
|
2521 |
/* ------------------------------------------------------------------------- */ |
2522 |
/* |
2523 |
* Paste a selection direct to the command fd |
2524 |
*/ |
2525 |
void |
2526 |
rxvt_term::paste (const unsigned char *data, unsigned int len) |
2527 |
{ |
2528 |
unsigned int i, j, n; |
2529 |
unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE); |
2530 |
|
2531 |
#if 0 |
2532 |
/* a paste should act like the user is typing, so check scrollTtyKeypress */ |
2533 |
ZERO_SCROLLBACK (r); |
2534 |
#endif |
2535 |
|
2536 |
/* convert normal newline chars into common keyboard Return key sequence */ |
2537 |
for (i = 0; i < len; i += PROP_SIZE) |
2538 |
{ |
2539 |
n = min (len - i, PROP_SIZE); |
2540 |
MEMCPY (ds, data + i, n); |
2541 |
|
2542 |
for (j = 0; j < n; j++) |
2543 |
if (ds[j] == C0_LF) |
2544 |
ds[j] = C0_CR; |
2545 |
|
2546 |
tt_write (ds, (int)n); |
2547 |
} |
2548 |
|
2549 |
free (ds); |
2550 |
} |
2551 |
|
2552 |
/* ------------------------------------------------------------------------- */ |
2553 |
/* |
2554 |
* Respond to a notification that a primary selection has been sent |
2555 |
* EXT: SelectionNotify |
2556 |
*/ |
2557 |
int |
2558 |
rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) |
2559 |
{ |
2560 |
long nread = 0; |
2561 |
unsigned long bytes_after; |
2562 |
XTextProperty ct; |
2563 |
|
2564 |
D_SELECT ((stderr, "rxvt_selection_paste (%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait)); |
2565 |
|
2566 |
if (prop == None) /* check for failed XConvertSelection */ |
2567 |
{ |
2568 |
if ((selection_type & Sel_CompoundText)) |
2569 |
{ |
2570 |
int selnum = selection_type & Sel_whereMask; |
2571 |
|
2572 |
selection_type = 0; |
2573 |
if (selnum != Sel_direct) |
2574 |
selection_request_other (XA_STRING, selnum); |
2575 |
} |
2576 |
|
2577 |
if ((selection_type & Sel_UTF8String)) |
2578 |
{ |
2579 |
int selnum = selection_type & Sel_whereMask; |
2580 |
|
2581 |
selection_type = Sel_CompoundText; |
2582 |
if (selnum != Sel_direct) |
2583 |
selection_request_other (xa[XA_COMPOUND_TEXT], selnum); |
2584 |
else |
2585 |
selection_type = 0; |
2586 |
} |
2587 |
|
2588 |
return 0; |
2589 |
} |
2590 |
|
2591 |
for (;;) |
2592 |
{ |
2593 |
if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4), |
2594 |
(long) (PROP_SIZE / 4), delete_prop, |
2595 |
AnyPropertyType, &ct.encoding, &ct.format, |
2596 |
&ct.nitems, &bytes_after, |
2597 |
&ct.value) != Success) |
2598 |
break; |
2599 |
|
2600 |
if (ct.encoding == 0) |
2601 |
{ |
2602 |
D_SELECT ((stderr, "rxvt_selection_paste: property didn't exist!")); |
2603 |
break; |
2604 |
} |
2605 |
|
2606 |
if (ct.value == NULL) |
2607 |
{ |
2608 |
D_SELECT ((stderr, "rxvt_selection_paste: property shooting blanks!")); |
2609 |
continue; |
2610 |
} |
2611 |
|
2612 |
if (ct.nitems == 0) |
2613 |
{ |
2614 |
D_SELECT ((stderr, "rxvt_selection_paste: property empty - also INCR end")); |
2615 |
|
2616 |
if (selection_wait == Sel_normal && nread == 0 |
2617 |
&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion |
2618 |
{ |
2619 |
/* |
2620 |
* pass through again trying CUT_BUFFER0 if we've come from |
2621 |
* XConvertSelection () but nothing was presented |
2622 |
*/ |
2623 |
D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); |
2624 |
selection_paste (display->root, XA_CUT_BUFFER0, False); |
2625 |
} |
2626 |
|
2627 |
nread = -1; /* discount any previous stuff */ |
2628 |
break; |
2629 |
} |
2630 |
|
2631 |
nread += ct.nitems; |
2632 |
|
2633 |
char **cl; |
2634 |
int cr; |
2635 |
if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 && cl) |
2636 |
{ |
2637 |
for (int i = 0; i < cr; i++) |
2638 |
paste ((unsigned char *)cl[i], STRLEN (cl[i])); |
2639 |
|
2640 |
XFreeStringList (cl); |
2641 |
} |
2642 |
else |
2643 |
paste (ct.value, ct.nitems); |
2644 |
|
2645 |
if (bytes_after == 0) |
2646 |
break; |
2647 |
|
2648 |
XFree (ct.value); |
2649 |
} |
2650 |
|
2651 |
if (ct.value) |
2652 |
XFree (ct.value); |
2653 |
|
2654 |
if (selection_wait == Sel_normal) |
2655 |
selection_wait = Sel_none; |
2656 |
|
2657 |
D_SELECT ((stderr, "rxvt_selection_paste: bytes written: %ld", nread)); |
2658 |
return (int)nread; |
2659 |
} |
2660 |
|
2661 |
void |
2662 |
rxvt_term::incr_cb (time_watcher &w) |
2663 |
{ |
2664 |
selection_wait = Sel_none; |
2665 |
|
2666 |
rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); |
2667 |
} |
2668 |
|
2669 |
/* |
2670 |
* INCR support originally provided by Paul Sheer <psheer@obsidian.co.za> |
2671 |
*/ |
2672 |
void |
2673 |
rxvt_term::selection_property (Window win, Atom prop) |
2674 |
{ |
2675 |
int reget_time = 0; |
2676 |
|
2677 |
if (prop == None) |
2678 |
return; |
2679 |
|
2680 |
D_SELECT ((stderr, "rxvt_selection_property (%08lx, %lu)", win, (unsigned long)prop)); |
2681 |
if (selection_wait == Sel_normal) |
2682 |
{ |
2683 |
int a, afmt; |
2684 |
Atom atype; |
2685 |
unsigned long bytes_after, nitems; |
2686 |
unsigned char *s = NULL; |
2687 |
|
2688 |
a = XGetWindowProperty (display->display, win, prop, 0L, 1L, False, |
2689 |
xa[XA_INCR], &atype, &afmt, &nitems, |
2690 |
&bytes_after, &s); |
2691 |
if (s) |
2692 |
XFree (s); |
2693 |
if (a != Success) |
2694 |
return; |
2695 |
|
2696 |
#ifndef __CYGWIN32__ |
2697 |
if (atype == xa[XA_INCR]) |
2698 |
{ /* start an INCR transfer */ |
2699 |
D_SELECT ((stderr, "rxvt_selection_property: INCR: starting transfer")); |
2700 |
XDeleteProperty (display->display, win, prop); |
2701 |
XFlush (display->display); |
2702 |
reget_time = 1; |
2703 |
selection_wait = Sel_incr; |
2704 |
} |
2705 |
#endif |
2706 |
|
2707 |
} |
2708 |
else if (selection_wait == Sel_incr) |
2709 |
{ |
2710 |
reget_time = 1; |
2711 |
|
2712 |
if (selection_paste (win, prop, True) == -1) |
2713 |
{ |
2714 |
D_SELECT ((stderr, "rxvt_selection_property: INCR: clean end")); |
2715 |
selection_wait = Sel_none; |
2716 |
incr_ev.stop (); |
2717 |
} |
2718 |
} |
2719 |
if (reget_time) /* received more data so reget time */ |
2720 |
incr_ev.start (NOW + 10); |
2721 |
} |
2722 |
|
2723 |
/* ------------------------------------------------------------------------- */ |
2724 |
/* |
2725 |
* Request the current selection: |
2726 |
* Order: > internal selection if available |
2727 |
* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) |
2728 |
* > CUT_BUFFER0 |
2729 |
* (+) if ownership is claimed but property is empty, rxvt_selection_paste () |
2730 |
* will auto fallback to CUT_BUFFER0 |
2731 |
* EXT: button 2 release |
2732 |
*/ |
2733 |
void |
2734 |
rxvt_term::selection_request (Time tm, int x, int y) |
2735 |
{ |
2736 |
D_SELECT ((stderr, "rxvt_selection_request (%lu, %d, %d)", tm, x, y)); |
2737 |
|
2738 |
if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height) |
2739 |
return; /* outside window */ |
2740 |
|
2741 |
if (selection.text) |
2742 |
{ /* internal selection */ |
2743 |
D_SELECT ((stderr, "rxvt_selection_request: pasting internal")); |
2744 |
char *str = rxvt_wcstombs (selection.text, selection.len); |
2745 |
paste ((unsigned char *)str, strlen (str)); |
2746 |
free (str); |
2747 |
return; |
2748 |
} |
2749 |
else |
2750 |
{ |
2751 |
int i; |
2752 |
|
2753 |
selection_request_time = tm; |
2754 |
selection_wait = Sel_normal; |
2755 |
|
2756 |
for (i = Sel_Primary; i <= Sel_Clipboard; i++) |
2757 |
{ |
2758 |
#if X_HAVE_UTF8_STRING |
2759 |
selection_type = Sel_UTF8String; |
2760 |
if (selection_request_other (xa[XA_UTF8_STRING], i)) |
2761 |
return; |
2762 |
#else |
2763 |
selection_type = Sel_CompoundText; |
2764 |
if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) |
2765 |
return; |
2766 |
#endif |
2767 |
|
2768 |
} |
2769 |
} |
2770 |
|
2771 |
selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */ |
2772 |
D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); |
2773 |
selection_paste (display->root, XA_CUT_BUFFER0, False); |
2774 |
} |
2775 |
|
2776 |
int |
2777 |
rxvt_term::selection_request_other (Atom target, int selnum) |
2778 |
{ |
2779 |
Atom sel; |
2780 |
#ifdef DEBUG_SELECT |
2781 |
char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" }; |
2782 |
#endif |
2783 |
|
2784 |
selection_type |= selnum; |
2785 |
|
2786 |
if (selnum == Sel_Primary) |
2787 |
sel = XA_PRIMARY; |
2788 |
else if (selnum == Sel_Secondary) |
2789 |
sel = XA_SECONDARY; |
2790 |
else |
2791 |
sel = xa[XA_CLIPBOARD]; |
2792 |
|
2793 |
if (XGetSelectionOwner (display->display, sel) != None) |
2794 |
{ |
2795 |
D_SELECT ((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum])); |
2796 |
XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION], |
2797 |
TermWin.vt, selection_request_time); |
2798 |
return 1; |
2799 |
} |
2800 |
|
2801 |
return 0; |
2802 |
} |
2803 |
|
2804 |
/* ------------------------------------------------------------------------- */ |
2805 |
/* |
2806 |
* Clear all selected text |
2807 |
* EXT: SelectionClear |
2808 |
*/ |
2809 |
void |
2810 |
rxvt_term::selection_clear () |
2811 |
{ |
2812 |
D_SELECT ((stderr, "rxvt_selection_clear ()")); |
2813 |
|
2814 |
want_refresh = 1; |
2815 |
free (selection.text); |
2816 |
selection.text = NULL; |
2817 |
selection.len = 0; |
2818 |
CLEAR_SELECTION (); |
2819 |
|
2820 |
if (display->selection_owner == this) |
2821 |
display->selection_owner = 0; |
2822 |
} |
2823 |
|
2824 |
/* ------------------------------------------------------------------------- */ |
2825 |
/* |
2826 |
* Copy a selection into the cut buffer |
2827 |
* EXT: button 1 or 3 release |
2828 |
*/ |
2829 |
void |
2830 |
rxvt_term::selection_make (Time tm) |
2831 |
{ |
2832 |
int i, col, end_col, row, end_row; |
2833 |
wchar_t *new_selection_text; |
2834 |
text_t *t; |
2835 |
|
2836 |
D_SELECT ((stderr, "rxvt_selection_make (): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks)); |
2837 |
switch (selection.op) |
2838 |
{ |
2839 |
case SELECTION_CONT: |
2840 |
break; |
2841 |
case SELECTION_INIT: |
2842 |
CLEAR_SELECTION (); |
2843 |
/* FALLTHROUGH */ |
2844 |
case SELECTION_BEGIN: |
2845 |
selection.op = SELECTION_DONE; |
2846 |
/* FALLTHROUGH */ |
2847 |
default: |
2848 |
return; |
2849 |
} |
2850 |
|
2851 |
selection.op = SELECTION_DONE; |
2852 |
|
2853 |
if (selection.clicks == 4) |
2854 |
return; /* nothing selected, go away */ |
2855 |
|
2856 |
i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1); |
2857 |
new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); |
2858 |
|
2859 |
col = selection.beg.col; |
2860 |
MAX_IT (col, 0); |
2861 |
row = selection.beg.row + TermWin.saveLines; |
2862 |
end_row = selection.end.row + TermWin.saveLines; |
2863 |
int ofs = 0; |
2864 |
int extra = 0; |
2865 |
|
2866 |
for (; row <= end_row; row++, col = 0) |
2867 |
{ |
2868 |
t = &(screen.text[row][col]); |
2869 |
|
2870 |
end_col = screen.tlen[row]; |
2871 |
|
2872 |
if (end_col == -1) |
2873 |
end_col = TermWin.ncol; |
2874 |
|
2875 |
if (row == end_row) |
2876 |
MIN_IT (end_col, selection.end.col); |
2877 |
|
2878 |
for (; col < end_col; col++) |
2879 |
{ |
2880 |
if (*t == NOCHAR) |
2881 |
t++; |
2882 |
#if ENABLE_COMBINING |
2883 |
else if (IS_COMPOSE (*t)) |
2884 |
{ |
2885 |
int len = rxvt_composite.expand (*t, 0); |
2886 |
|
2887 |
extra -= (len - 1); |
2888 |
|
2889 |
if (extra < 0) |
2890 |
{ |
2891 |
extra += i; |
2892 |
i += i; |
2893 |
new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); |
2894 |
} |
2895 |
|
2896 |
ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); |
2897 |
} |
2898 |
#endif |
2899 |
else |
2900 |
new_selection_text[ofs++] = *t++; |
2901 |
} |
2902 |
|
2903 |
if (screen.tlen[row] != -1 && row != end_row) |
2904 |
new_selection_text[ofs++] = C0_LF; |
2905 |
} |
2906 |
|
2907 |
if (end_col != selection.end.col) |
2908 |
new_selection_text[ofs++] = C0_LF; |
2909 |
|
2910 |
new_selection_text[ofs] = 0; |
2911 |
|
2912 |
if (ofs == 0) |
2913 |
{ |
2914 |
free (new_selection_text); |
2915 |
return; |
2916 |
} |
2917 |
|
2918 |
free (selection.text); |
2919 |
|
2920 |
// we usually allocate much more than necessary, so realloc it smaller again |
2921 |
selection.len = ofs; |
2922 |
selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); |
2923 |
|
2924 |
XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm); |
2925 |
if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt) |
2926 |
display->set_selection_owner (this); |
2927 |
else |
2928 |
rxvt_warn ("can't get primary selection, ignoring.\n"); |
2929 |
|
2930 |
#if 0 |
2931 |
XTextProperty ct; |
2932 |
|
2933 |
if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) |
2934 |
{ |
2935 |
XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8, |
2936 |
PropModeReplace, ct.value, ct.nitems); |
2937 |
XFree (ct.value); |
2938 |
} |
2939 |
#endif |
2940 |
|
2941 |
selection_time = tm; |
2942 |
D_SELECT ((stderr, "rxvt_selection_make (): selection.len=%d", selection.len)); |
2943 |
} |
2944 |
|
2945 |
/* ------------------------------------------------------------------------- */ |
2946 |
/* |
2947 |
* Mark or select text based upon number of clicks: 1, 2, or 3 |
2948 |
* EXT: button 1 press |
2949 |
*/ |
2950 |
void |
2951 |
rxvt_term::selection_click (int clicks, int x, int y) |
2952 |
{ |
2953 |
D_SELECT ((stderr, "rxvt_selection_click (%d, %d, %d)", clicks, x, y)); |
2954 |
|
2955 |
clicks = ((clicks - 1) % 3) + 1; |
2956 |
selection.clicks = clicks; /* save clicks so extend will work */ |
2957 |
|
2958 |
selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); |
2959 |
|
2960 |
if (clicks == 2 || clicks == 3) |
2961 |
selection_extend_colrow (selection.mark.col, |
2962 |
selection.mark.row + TermWin.view_start, |
2963 |
0, /* button 3 */ |
2964 |
1, /* button press */ |
2965 |
0); /* click change */ |
2966 |
} |
2967 |
|
2968 |
/* ------------------------------------------------------------------------- */ |
2969 |
/* |
2970 |
* Mark a selection at the specified col/row |
2971 |
*/ |
2972 |
void |
2973 |
rxvt_term::selection_start_colrow (int col, int row) |
2974 |
{ |
2975 |
want_refresh = 1; |
2976 |
selection.mark.col = col; |
2977 |
selection.mark.row = row - TermWin.view_start; |
2978 |
|
2979 |
MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled); |
2980 |
MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1); |
2981 |
MAX_IT (selection.mark.col, 0); |
2982 |
MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1); |
2983 |
|
2984 |
while (selection.mark.col > 0 |
2985 |
&& screen.text[selection.mark.row + TermWin.saveLines][selection.mark.col] == NOCHAR) |
2986 |
--selection.mark.col; |
2987 |
|
2988 |
if (selection.op) |
2989 |
{ /* clear the old selection */ |
2990 |
selection.beg.row = selection.end.row = selection.mark.row; |
2991 |
selection.beg.col = selection.end.col = selection.mark.col; |
2992 |
} |
2993 |
|
2994 |
selection.op = SELECTION_INIT; |
2995 |
selection.screen = current_screen; |
2996 |
} |
2997 |
|
2998 |
/* ------------------------------------------------------------------------- */ |
2999 |
/* |
3000 |
* Word select: select text for 2 clicks |
3001 |
* We now only find out the boundary in one direction |
3002 |
*/ |
3003 |
|
3004 |
/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ |
3005 |
#define DELIMIT_TEXT(x) \ |
3006 |
(unicode::is_space (x) ? 2 : (x) <= 0xff && !!STRCHR (rs[Rs_cutchars], (x))) |
3007 |
#define DELIMIT_REND(x) 1 |
3008 |
|
3009 |
void |
3010 |
rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) |
3011 |
{ |
3012 |
int col, row, dirnadd, tcol, trow, w1, w2; |
3013 |
row_col_t bound; |
3014 |
text_t *stp; |
3015 |
rend_t *srp; |
3016 |
|
3017 |
if (dirn == UP) |
3018 |
{ |
3019 |
bound.row = TermWin.saveLines - TermWin.nscrolled - 1; |
3020 |
bound.col = 0; |
3021 |
dirnadd = -1; |
3022 |
} |
3023 |
else |
3024 |
{ |
3025 |
bound.row = TermWin.saveLines + TermWin.nrow; |
3026 |
bound.col = TermWin.ncol - 1; |
3027 |
dirnadd = 1; |
3028 |
} |
3029 |
|
3030 |
row = mark->row + TermWin.saveLines; |
3031 |
col = mark->col; |
3032 |
MAX_IT (col, 0); |
3033 |
/* find the edge of a word */ |
3034 |
stp = & (screen.text[row][col]); |
3035 |
w1 = DELIMIT_TEXT (*stp); |
3036 |
|
3037 |
srp = (&screen.rend[row][col]); |
3038 |
w2 = DELIMIT_REND (*srp); |
3039 |
|
3040 |
for (;;) |
3041 |
{ |
3042 |
for (; col != bound.col; col += dirnadd) |
3043 |
{ |
3044 |
stp += dirnadd; |
3045 |
srp += dirnadd; |
3046 |
|
3047 |
if (*stp == NOCHAR) |
3048 |
continue; |
3049 |
|
3050 |
if (DELIMIT_TEXT (*stp) != w1) |
3051 |
break; |
3052 |
if (DELIMIT_REND (*srp) != w2) |
3053 |
break; |
3054 |
} |
3055 |
|
3056 |
if ((col == bound.col) && (row != bound.row)) |
3057 |
{ |
3058 |
if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1) |
3059 |
{ |
3060 |
trow = row + dirnadd; |
3061 |
tcol = dirn == UP ? TermWin.ncol - 1 : 0; |
3062 |
|
3063 |
if (screen.text[trow] == NULL) |
3064 |
break; |
3065 |
|
3066 |
stp = & (screen.text[trow][tcol]); |
3067 |
srp = & (screen.rend[trow][tcol]); |
3068 |
|
3069 |
if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) |
3070 |
break; |
3071 |
|
3072 |
row = trow; |
3073 |
col = tcol; |
3074 |
continue; |
3075 |
} |
3076 |
} |
3077 |
break; |
3078 |
} |
3079 |
|
3080 |
Old_Word_Selection_You_Die: |
3081 |
D_SELECT ((stderr, "rxvt_selection_delimit_word (%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col)); |
3082 |
|
3083 |
if (dirn == DN) |
3084 |
col++; /* put us on one past the end */ |
3085 |
|
3086 |
/* Poke the values back in */ |
3087 |
ret->row = row - TermWin.saveLines; |
3088 |
ret->col = col; |
3089 |
} |
3090 |
|
3091 |
/* ------------------------------------------------------------------------- */ |
3092 |
/* |
3093 |
* Extend the selection to the specified x/y pixel location |
3094 |
* EXT: button 3 press; button 1 or 3 drag |
3095 |
* flag == 0 ==> button 1 |
3096 |
* flag == 1 ==> button 3 press |
3097 |
* flag == 2 ==> button 3 motion |
3098 |
*/ |
3099 |
void |
3100 |
rxvt_term::selection_extend (int x, int y, int flag) |
3101 |
{ |
3102 |
int col, row; |
3103 |
|
3104 |
col = Pixel2Col (x); |
3105 |
row = Pixel2Row (y); |
3106 |
MAX_IT (row, 0); |
3107 |
MIN_IT (row, (int)TermWin.nrow - 1); |
3108 |
MAX_IT (col, 0); |
3109 |
MIN_IT (col, (int)TermWin.ncol); |
3110 |
|
3111 |
/* |
3112 |
* If we're selecting characters (single click) then we must check first |
3113 |
* if we are at the same place as the original mark. If we are then |
3114 |
* select nothing. Otherwise, if we're to the right of the mark, you have to |
3115 |
* be _past_ a character for it to be selected. |
3116 |
*/ |
3117 |
if (((selection.clicks % 3) == 1) && !flag |
3118 |
&& (col == selection.mark.col |
3119 |
&& (row == selection.mark.row + TermWin.view_start))) |
3120 |
{ |
3121 |
/* select nothing */ |
3122 |
selection.beg.row = selection.end.row = 0; |
3123 |
selection.beg.col = selection.end.col = 0; |
3124 |
selection.clicks = 4; |
3125 |
want_refresh = 1; |
3126 |
D_SELECT ((stderr, "rxvt_selection_extend () selection.clicks = 4")); |
3127 |
return; |
3128 |
} |
3129 |
|
3130 |
if (selection.clicks == 4) |
3131 |
selection.clicks = 1; |
3132 |
|
3133 |
selection_extend_colrow (col, row, !!flag, /* ? button 3 */ |
3134 |
flag == 1 ? 1 : 0, /* ? button press */ |
3135 |
0); /* no click change */ |
3136 |
} |
3137 |
|
3138 |
/* ------------------------------------------------------------------------- */ |
3139 |
/* |
3140 |
* Extend the selection to the specified col/row |
3141 |
*/ |
3142 |
void |
3143 |
rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) |
3144 |
{ |
3145 |
int16_t ncol = TermWin.ncol; |
3146 |
int end_col; |
3147 |
row_col_t pos; |
3148 |
enum { |
3149 |
LEFT, RIGHT |
3150 |
} closeto = RIGHT; |
3151 |
|
3152 |
D_SELECT ((stderr, "rxvt_selection_extend_colrow (c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op)); |
3153 |
D_SELECT ((stderr, "rxvt_selection_extend_colrow () ENT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); |
3154 |
|
3155 |
want_refresh = 1; |
3156 |
switch (selection.op) |
3157 |
{ |
3158 |
case SELECTION_INIT: |
3159 |
CLEAR_SELECTION (); |
3160 |
selection.op = SELECTION_BEGIN; |
3161 |
/* FALLTHROUGH */ |
3162 |
case SELECTION_BEGIN: |
3163 |
if (row != selection.mark.row || col != selection.mark.col |
3164 |
|| (!button3 && buttonpress)) |
3165 |
selection.op = SELECTION_CONT; |
3166 |
break; |
3167 |
case SELECTION_DONE: |
3168 |
selection.op = SELECTION_CONT; |
3169 |
/* FALLTHROUGH */ |
3170 |
case SELECTION_CONT: |
3171 |
break; |
3172 |
case SELECTION_CLEAR: |
3173 |
selection_start_colrow (col, row); |
3174 |
/* FALLTHROUGH */ |
3175 |
default: |
3176 |
return; |
3177 |
} |
3178 |
if (selection.beg.col == selection.end.col |
3179 |
&& selection.beg.col != selection.mark.col |
3180 |
&& selection.beg.row == selection.end.row |
3181 |
&& selection.beg.row != selection.mark.row) |
3182 |
{ |
3183 |
selection.beg.col = selection.end.col = selection.mark.col; |
3184 |
selection.beg.row = selection.end.row = selection.mark.row; |
3185 |
D_SELECT ((stderr, "rxvt_selection_extend_colrow () ENT2 b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); |
3186 |
} |
3187 |
|
3188 |
pos.col = col; |
3189 |
pos.row = row; |
3190 |
|
3191 |
pos.row -= TermWin.view_start; /* adjust for scroll */ |
3192 |
|
3193 |
/* |
3194 |
* This is mainly xterm style selection with a couple of differences, mainly |
3195 |
* in the way button3 drag extension works. |
3196 |
* We're either doing: button1 drag; button3 press; or button3 drag |
3197 |
* a) button1 drag : select around a midpoint/word/line - that point/word/line |
3198 |
* is always at the left/right edge of the selection. |
3199 |
* b) button3 press: extend/contract character/word/line at whichever edge of |
3200 |
* the selection we are closest to. |
3201 |
* c) button3 drag : extend/contract character/word/line - we select around |
3202 |
* a point/word/line which is either the start or end of the selection |
3203 |
* and it was decided by whichever point/word/line was `fixed' at the |
3204 |
* time of the most recent button3 press |
3205 |
*/ |
3206 |
if (button3 && buttonpress) |
3207 |
{ /* button3 press */ |
3208 |
/* |
3209 |
* first determine which edge of the selection we are closest to |
3210 |
*/ |
3211 |
if (ROWCOL_IS_BEFORE (pos, selection.beg) |
3212 |
|| (!ROWCOL_IS_AFTER (pos, selection.end) |
3213 |
&& (((pos.col - selection.beg.col) |
3214 |
+ ((pos.row - selection.beg.row) * ncol)) |
3215 |
< ((selection.end.col - pos.col) |
3216 |
+ ((selection.end.row - pos.row) * ncol))))) |
3217 |
closeto = LEFT; |
3218 |
|
3219 |
if (closeto == LEFT) |
3220 |
{ |
3221 |
selection.beg.row = pos.row; |
3222 |
selection.beg.col = pos.col; |
3223 |
selection.mark.row = selection.end.row; |
3224 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3225 |
} |
3226 |
else |
3227 |
{ |
3228 |
selection.end.row = pos.row; |
3229 |
selection.end.col = pos.col; |
3230 |
selection.mark.row = selection.beg.row; |
3231 |
selection.mark.col = selection.beg.col; |
3232 |
} |
3233 |
} |
3234 |
else |
3235 |
{ /* button1 drag or button3 drag */ |
3236 |
if (ROWCOL_IS_AFTER (selection.mark, pos)) |
3237 |
{ |
3238 |
if ((selection.mark.row == selection.end.row) |
3239 |
&& (selection.mark.col == selection.end.col) |
3240 |
&& clickchange && selection.clicks == 2) |
3241 |
selection.mark.col--; |
3242 |
|
3243 |
selection.beg.row = pos.row; |
3244 |
selection.beg.col = pos.col; |
3245 |
selection.end.row = selection.mark.row; |
3246 |
selection.end.col = selection.mark.col + (selection.clicks == 2); |
3247 |
} |
3248 |
else |
3249 |
{ |
3250 |
selection.beg.row = selection.mark.row; |
3251 |
selection.beg.col = selection.mark.col; |
3252 |
selection.end.row = pos.row; |
3253 |
selection.end.col = pos.col; |
3254 |
} |
3255 |
} |
3256 |
|
3257 |
if (selection.clicks == 1) |
3258 |
{ |
3259 |
end_col = screen.tlen[selection.beg.row + TermWin.saveLines]; |
3260 |
|
3261 |
if (end_col != -1 && selection.beg.col > end_col) |
3262 |
{ |
3263 |
#if 1 |
3264 |
selection.beg.col = ncol; |
3265 |
#else |
3266 |
if (selection.beg.row != selection.end.row) |
3267 |
selection.beg.col = ncol; |
3268 |
else |
3269 |
selection.beg.col = selection.mark.col; |
3270 |
#endif |
3271 |
} |
3272 |
|
3273 |
end_col = screen.tlen[selection.end.row + TermWin.saveLines]; |
3274 |
|
3275 |
if (end_col != -1 && selection.end.col > end_col) |
3276 |
selection.end.col = ncol; |
3277 |
} |
3278 |
else if (selection.clicks == 2) |
3279 |
{ |
3280 |
if (ROWCOL_IS_AFTER (selection.end, selection.beg)) |
3281 |
selection.end.col--; |
3282 |
|
3283 |
selection_delimit_word (UP, & (selection.beg), & (selection.beg)); |
3284 |
selection_delimit_word (DN, & (selection.end), & (selection.end)); |
3285 |
} |
3286 |
else if (selection.clicks == 3) |
3287 |
{ |
3288 |
#ifndef NO_FRILLS |
3289 |
if ((Options & Opt_tripleclickwords)) |
3290 |
{ |
3291 |
int end_row; |
3292 |
|
3293 |
selection_delimit_word (UP, & (selection.beg), & (selection.beg)); |
3294 |
end_row = screen.tlen[selection.mark.row + TermWin.saveLines]; |
3295 |
|
3296 |
for (end_row = selection.mark.row; end_row < TermWin.nrow; end_row++) |
3297 |
{ |
3298 |
end_col = screen.tlen[end_row + TermWin.saveLines]; |
3299 |
|
3300 |
if (end_col != -1) |
3301 |
{ |
3302 |
selection.end.row = end_row; |
3303 |
selection.end.col = end_col; |
3304 |
selection_remove_trailing_spaces (); |
3305 |
break; |
3306 |
} |
3307 |
} |
3308 |
} |
3309 |
else |
3310 |
#endif |
3311 |
{ |
3312 |
if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) |
3313 |
selection.mark.col++; |
3314 |
selection.beg.col = 0; |
3315 |
selection.end.col = ncol; |
3316 |
} |
3317 |
} |
3318 |
|
3319 |
if (button3 && buttonpress) |
3320 |
{ /* mark may need to be changed */ |
3321 |
if (closeto == LEFT) |
3322 |
{ |
3323 |
selection.mark.row = selection.end.row; |
3324 |
selection.mark.col = selection.end.col |
3325 |
- (selection.clicks == 2); |
3326 |
} |
3327 |
else |
3328 |
{ |
3329 |
selection.mark.row = selection.beg.row; |
3330 |
selection.mark.col = selection.beg.col; |
3331 |
} |
3332 |
} |
3333 |
D_SELECT ((stderr, "rxvt_selection_extend_colrow () EXIT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); |
3334 |
} |
3335 |
|
3336 |
#ifndef NO_FRILLS |
3337 |
void |
3338 |
rxvt_term::selection_remove_trailing_spaces () |
3339 |
{ |
3340 |
int32_t end_col, end_row; |
3341 |
text_t *stp; |
3342 |
|
3343 |
end_col = selection.end.col; |
3344 |
end_row = selection.end.row; |
3345 |
for ( ; end_row >= selection.beg.row; ) |
3346 |
{ |
3347 |
stp = screen.text[end_row + TermWin.saveLines]; |
3348 |
while (--end_col >= 0) |
3349 |
{ |
3350 |
if (stp[end_col] != ' ' && stp[end_col] != '\t') |
3351 |
break; |
3352 |
} |
3353 |
if (end_col >= 0 |
3354 |
|| screen.tlen[end_row - 1 + TermWin.saveLines] != -1) |
3355 |
{ |
3356 |
selection.end.col = end_col + 1; |
3357 |
selection.end.row = end_row; |
3358 |
break; |
3359 |
} |
3360 |
end_row--; |
3361 |
end_col = TermWin.ncol; |
3362 |
} |
3363 |
if (selection.mark.row > selection.end.row) |
3364 |
{ |
3365 |
selection.mark.row = selection.end.row; |
3366 |
selection.mark.col = selection.end.col; |
3367 |
} |
3368 |
else if (selection.mark.row == selection.end.row |
3369 |
&& selection.mark.col > selection.end.col) |
3370 |
selection.mark.col = selection.end.col; |
3371 |
} |
3372 |
#endif |
3373 |
|
3374 |
/* ------------------------------------------------------------------------- */ |
3375 |
/* |
3376 |
* Double click on button 3 when already selected |
3377 |
* EXT: button 3 double click |
3378 |
*/ |
3379 |
void |
3380 |
rxvt_term::selection_rotate (int x, int y) |
3381 |
{ |
3382 |
selection.clicks = selection.clicks % 3 + 1; |
3383 |
selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); |
3384 |
} |
3385 |
|
3386 |
/* ------------------------------------------------------------------------- */ |
3387 |
/* |
3388 |
* On some systems, the Atom typedef is 64 bits wide. We need to have a type |
3389 |
* that is exactly 32 bits wide, because a format of 64 is not allowed by |
3390 |
* the X11 protocol. |
3391 |
*/ |
3392 |
typedef CARD32 Atom32; |
3393 |
|
3394 |
/* ------------------------------------------------------------------------- */ |
3395 |
/* |
3396 |
* Respond to a request for our current selection |
3397 |
* EXT: SelectionRequest |
3398 |
*/ |
3399 |
void |
3400 |
rxvt_term::selection_send (const XSelectionRequestEvent &rq) |
3401 |
{ |
3402 |
XSelectionEvent ev; |
3403 |
XTextProperty ct; |
3404 |
XICCEncodingStyle style; |
3405 |
Atom target; |
3406 |
|
3407 |
ev.type = SelectionNotify; |
3408 |
ev.property = None; |
3409 |
ev.display = rq.display; |
3410 |
ev.requestor = rq.requestor; |
3411 |
ev.selection = rq.selection; |
3412 |
ev.target = rq.target; |
3413 |
ev.time = rq.time; |
3414 |
|
3415 |
if (rq.target == xa[XA_TARGETS]) |
3416 |
{ |
3417 |
Atom32 target_list[6]; |
3418 |
Atom32 *target = target_list; |
3419 |
|
3420 |
*target++ = (Atom32) xa[XA_TARGETS]; |
3421 |
*target++ = (Atom32) xa[XA_TIMESTAMP]; |
3422 |
*target++ = (Atom32) XA_STRING; |
3423 |
*target++ = (Atom32) xa[XA_TEXT]; |
3424 |
*target++ = (Atom32) xa[XA_COMPOUND_TEXT]; |
3425 |
#if X_HAVE_UTF8_STRING |
3426 |
*target++ = (Atom32) xa[XA_UTF8_STRING]; |
3427 |
#endif |
3428 |
|
3429 |
XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM, |
3430 |
(8 * sizeof (target_list[0])), PropModeReplace, |
3431 |
(unsigned char *)target_list, |
3432 |
target - target_list); |
3433 |
ev.property = rq.property; |
3434 |
} |
3435 |
else if (rq.target == xa[XA_MULTIPLE]) |
3436 |
{ |
3437 |
/* TODO: Handle MULTIPLE */ |
3438 |
} |
3439 |
else if (rq.target == xa[XA_TIMESTAMP] && selection.text) |
3440 |
{ |
3441 |
XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER, |
3442 |
(8 * sizeof (Time)), PropModeReplace, |
3443 |
(unsigned char *)&selection_time, 1); |
3444 |
ev.property = rq.property; |
3445 |
} |
3446 |
else if (rq.target == XA_STRING |
3447 |
|| rq.target == xa[XA_TEXT] |
3448 |
|| rq.target == xa[XA_COMPOUND_TEXT] |
3449 |
|| rq.target == xa[XA_UTF8_STRING] |
3450 |
) |
3451 |
{ |
3452 |
short freect = 0; |
3453 |
int selectlen; |
3454 |
wchar_t *cl; |
3455 |
|
3456 |
target = rq.target; |
3457 |
|
3458 |
if (target == XA_STRING) |
3459 |
// we actually don't do XA_STRING, but who cares, as i18n clients |
3460 |
// will ask for another format anyways. |
3461 |
style = XStringStyle; |
3462 |
else if (target == xa[XA_TEXT]) |
3463 |
style = XStdICCTextStyle; |
3464 |
else if (target == xa[XA_COMPOUND_TEXT]) |
3465 |
style = XCompoundTextStyle; |
3466 |
#if X_HAVE_UTF8_STRING |
3467 |
else if (target == xa[XA_UTF8_STRING]) |
3468 |
style = XUTF8StringStyle; |
3469 |
#endif |
3470 |
else |
3471 |
{ |
3472 |
target = xa[XA_COMPOUND_TEXT]; |
3473 |
style = XCompoundTextStyle; |
3474 |
} |
3475 |
|
3476 |
if (selection.text) |
3477 |
{ |
3478 |
cl = selection.text; |
3479 |
selectlen = selection.len; |
3480 |
} |
3481 |
else |
3482 |
{ |
3483 |
cl = L""; |
3484 |
selectlen = 0; |
3485 |
} |
3486 |
|
3487 |
// Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it |
3488 |
// manually for XUTF8StringStyle. |
3489 |
if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0) |
3490 |
freect = 1; |
3491 |
else |
3492 |
{ |
3493 |
/* if we failed to convert then send it raw */ |
3494 |
ct.value = (unsigned char *)cl; |
3495 |
ct.nitems = selectlen; |
3496 |
} |
3497 |
|
3498 |
XChangeProperty (display->display, rq.requestor, rq.property, |
3499 |
target, 8, PropModeReplace, |
3500 |
ct.value, (int)ct.nitems); |
3501 |
ev.property = rq.property; |
3502 |
|
3503 |
if (freect) |
3504 |
XFree (ct.value); |
3505 |
} |
3506 |
|
3507 |
XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev); |
3508 |
} |
3509 |
|
3510 |
/* ------------------------------------------------------------------------- * |
3511 |
* MOUSE ROUTINES * |
3512 |
* ------------------------------------------------------------------------- */ |
3513 |
|
3514 |
/* |
3515 |
* return col/row values corresponding to x/y pixel values |
3516 |
*/ |
3517 |
void |
3518 |
rxvt_term::pixel_position (int *x, int *y) |
3519 |
{ |
3520 |
*x = Pixel2Col (*x); |
3521 |
/* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */ |
3522 |
*y = Pixel2Row (*y); |
3523 |
/* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */ |
3524 |
} |
3525 |
|
3526 |
/* ------------------------------------------------------------------------- */ |
3527 |
#ifdef USE_XIM |
3528 |
void |
3529 |
rxvt_term::im_set_position (XPoint *pos) |
3530 |
{ |
3531 |
XWindowAttributes xwa; |
3532 |
|
3533 |
XGetWindowAttributes (display->display, TermWin.vt, &xwa); |
3534 |
pos->x = Col2Pixel (screen.cur.col) + xwa.x; |
3535 |
pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; |
3536 |
} |
3537 |
|
3538 |
#endif |
3539 |
/* ------------------------------------------------------------------------- */ |