1 |
/*--------------------------------*-C-*--------------------------------------* |
2 |
* File: screen.c |
3 |
*---------------------------------------------------------------------------* |
4 |
* $Id: screen.C,v 1.7 2003/12/16 23:04:13 pcg Exp $ |
5 |
* |
6 |
* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.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 |
* We handle _all_ screen updates and selections |
24 |
*/ |
25 |
|
26 |
#include "../config.h" /* NECESSARY */ |
27 |
#define INTERN_SCREEN |
28 |
#include "rxvt.h" /* NECESSARY */ |
29 |
#include "screen.intpro" /* PROTOS for internal routines */ |
30 |
|
31 |
#include <X11/Xmd.h> /* get the typedef for CARD32 */ |
32 |
|
33 |
#include <stdint.h> |
34 |
#include <wchar.h> |
35 |
|
36 |
#include "salloc.C" // HACK!! |
37 |
|
38 |
inline void fill_text (text_t *start, text_t value, int len) |
39 |
{ |
40 |
while (len--) |
41 |
*start++ = value; |
42 |
} |
43 |
|
44 |
/* ------------------------------------------------------------------------- */ |
45 |
#define PROP_SIZE 16384 |
46 |
#define TABSIZE 8 /* default tab size */ |
47 |
|
48 |
/* ------------------------------------------------------------------------- * |
49 |
* GENERAL SCREEN AND SELECTION UPDATE ROUTINES * |
50 |
* ------------------------------------------------------------------------- */ |
51 |
#define ZERO_SCROLLBACK(R) \ |
52 |
if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ |
53 |
(R)->TermWin.view_start = 0 |
54 |
#define CLEAR_SELECTION(R) \ |
55 |
(R)->selection.beg.row = (R)->selection.beg.col \ |
56 |
= (R)->selection.end.row = (R)->selection.end.col = 0 |
57 |
#define CLEAR_ALL_SELECTION(R) \ |
58 |
(R)->selection.beg.row = (R)->selection.beg.col \ |
59 |
= (R)->selection.mark.row = (R)->selection.mark.col \ |
60 |
= (R)->selection.end.row = (R)->selection.end.col = 0 |
61 |
|
62 |
#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ |
63 |
(((A) > (C)) || (((A) == (C)) && ((B) > (D)))) |
64 |
#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ |
65 |
(((A) < (C)) || (((A) == (C)) && ((B) < (D)))) |
66 |
#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ |
67 |
(((A) == (C)) && ((B) > (D))) |
68 |
#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ |
69 |
(((A) == (C)) && ((B) >= (D))) |
70 |
#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ |
71 |
(((A) == (C)) && ((B) < (D))) |
72 |
#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ |
73 |
(((A) == (C)) && ((B) <= (D))) |
74 |
|
75 |
/* these must be row_col_t */ |
76 |
#define ROWCOL_IS_AFTER(X, Y) \ |
77 |
ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) |
78 |
#define ROWCOL_IS_BEFORE(X, Y) \ |
79 |
ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) |
80 |
#define ROWCOL_IN_ROW_AFTER(X, Y) \ |
81 |
ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) |
82 |
#define ROWCOL_IN_ROW_BEFORE(X, Y) \ |
83 |
ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) |
84 |
#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ |
85 |
ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) |
86 |
#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ |
87 |
ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) |
88 |
|
89 |
/* |
90 |
* CLEAR_ROWS : clear <num> rows starting from row <row> |
91 |
* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> |
92 |
* ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour |
93 |
*/ |
94 |
#define drawBuffer (R->TermWin.vt) |
95 |
|
96 |
#define CLEAR_ROWS(row, num) \ |
97 |
if (R->TermWin.mapped) \ |
98 |
XClearArea(R->Xdisplay, drawBuffer, R->TermWin.int_bwidth, \ |
99 |
Row2Pixel(row), (unsigned int)R->TermWin.width, \ |
100 |
(unsigned int)Height2Pixel(num), False) |
101 |
|
102 |
#define CLEAR_CHARS(x, y, num) \ |
103 |
if (R->TermWin.mapped) \ |
104 |
XClearArea(R->Xdisplay, drawBuffer, x, y, \ |
105 |
(unsigned int)Width2Pixel(num), \ |
106 |
(unsigned int)Height2Pixel(1), False) |
107 |
|
108 |
#define ERASE_ROWS(row, num) \ |
109 |
XFillRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, \ |
110 |
R->TermWin.int_bwidth, Row2Pixel(row), \ |
111 |
(unsigned int)R->TermWin.width, \ |
112 |
(unsigned int)Height2Pixel(num)) |
113 |
|
114 |
/* ------------------------------------------------------------------------- * |
115 |
* SCREEN `COMMON' ROUTINES * |
116 |
* ------------------------------------------------------------------------- */ |
117 |
/* Fill part/all of a line with blanks. */ |
118 |
void |
119 |
rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) |
120 |
{ |
121 |
efs &= ~RS_baseattrMask; |
122 |
efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); |
123 |
|
124 |
while (width--) |
125 |
{ |
126 |
*et++ = ' '; |
127 |
*er++ = efs; |
128 |
} |
129 |
} |
130 |
|
131 |
/* ------------------------------------------------------------------------- */ |
132 |
/* Fill a full line with blanks - make sure it is allocated first */ |
133 |
void |
134 |
rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) |
135 |
{ |
136 |
#ifdef DEBUG_STRICT |
137 |
assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL)); |
138 |
#endif |
139 |
if (tp[row] == NULL) |
140 |
{ |
141 |
tp[row] = (text_t *)talloc->alloc (); |
142 |
rp[row] = (rend_t *)ralloc->alloc (); |
143 |
} |
144 |
|
145 |
scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); |
146 |
} |
147 |
|
148 |
/* ------------------------------------------------------------------------- * |
149 |
* SCREEN INITIALISATION * |
150 |
* ------------------------------------------------------------------------- */ |
151 |
void |
152 |
rxvt_term::scr_reset () |
153 |
{ |
154 |
unsigned int ncol, nrow, total_rows, prev_total_rows; |
155 |
unsigned int p, q; |
156 |
int k; |
157 |
rend_t setrstyle; |
158 |
|
159 |
D_SCREEN((stderr, "rxvt_scr_reset()")); |
160 |
|
161 |
TermWin.view_start = 0; |
162 |
num_scr = 0; |
163 |
|
164 |
if (TermWin.ncol == 0) |
165 |
TermWin.ncol = 80; |
166 |
|
167 |
if (TermWin.nrow == 0) |
168 |
TermWin.nrow = 24; |
169 |
|
170 |
ncol = TermWin.ncol; |
171 |
nrow = TermWin.nrow; |
172 |
|
173 |
if (ncol == prev_ncol && nrow == prev_nrow) |
174 |
return; |
175 |
|
176 |
want_refresh = 1; |
177 |
|
178 |
total_rows = nrow + TermWin.saveLines; |
179 |
prev_total_rows = prev_nrow + TermWin.saveLines; |
180 |
|
181 |
screen.tscroll = 0; |
182 |
screen.bscroll = nrow - 1; |
183 |
|
184 |
if (!talloc) |
185 |
{ |
186 |
talloc = new rxvt_salloc (ncol * sizeof (text_t)); |
187 |
ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); |
188 |
} |
189 |
|
190 |
if (prev_nrow == 0) |
191 |
{ |
192 |
/* |
193 |
* first time called so just malloc everything : don't rely on realloc |
194 |
* Note: this is still needed so that all the scrollback lines are NULL |
195 |
*/ |
196 |
screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); |
197 |
buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); |
198 |
drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *)); |
199 |
swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *)); |
200 |
|
201 |
screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); |
202 |
swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t)); |
203 |
|
204 |
screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); |
205 |
buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); |
206 |
drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); |
207 |
swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); |
208 |
|
209 |
for (p = 0; p < nrow; p++) |
210 |
{ |
211 |
q = p + TermWin.saveLines; |
212 |
scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE); |
213 |
scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE); |
214 |
screen.tlen[q] = swap.tlen[p] = 0; |
215 |
scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE); |
216 |
} |
217 |
|
218 |
MEMSET(charsets, 'B', sizeof(charsets)); |
219 |
TermWin.nscrolled = 0; /* no saved lines */ |
220 |
rstyle = DEFAULT_RSTYLE; |
221 |
screen.flags = Screen_DefaultFlags; |
222 |
screen.cur.row = screen.cur.col = 0; |
223 |
screen.charset = 0; |
224 |
current_screen = PRIMARY; |
225 |
rxvt_scr_cursor (this, SAVE); |
226 |
|
227 |
#if NSCREENS |
228 |
swap.flags = Screen_DefaultFlags; |
229 |
swap.cur.row = swap.cur.col = 0; |
230 |
swap.charset = 0; |
231 |
current_screen = SECONDARY; |
232 |
rxvt_scr_cursor(aR_ SAVE); |
233 |
current_screen = PRIMARY; |
234 |
#endif |
235 |
|
236 |
selection.text = NULL; |
237 |
selection.len = 0; |
238 |
selection.op = SELECTION_CLEAR; |
239 |
selection.screen = PRIMARY; |
240 |
selection.clicks = 0; |
241 |
CLEAR_ALL_SELECTION (this); |
242 |
rvideo = 0; |
243 |
} |
244 |
else |
245 |
{ |
246 |
/* |
247 |
* add or delete rows as appropriate |
248 |
*/ |
249 |
setrstyle = DEFAULT_RSTYLE; |
250 |
|
251 |
if (nrow < prev_nrow) |
252 |
{ |
253 |
/* delete rows */ |
254 |
k = min (TermWin.nscrolled, prev_nrow - nrow); |
255 |
scr_scroll_text (0, (int)prev_nrow - 1, k, 1); |
256 |
|
257 |
for (p = nrow; p < prev_nrow; p++) |
258 |
{ |
259 |
q = p + TermWin.saveLines; |
260 |
if (screen.text[q]) |
261 |
{ |
262 |
#ifdef DEBUG_STRICT |
263 |
assert (screen.rend[q]); |
264 |
#endif |
265 |
talloc->free (screen.text[q]); |
266 |
ralloc->free (screen.rend[q]); |
267 |
} |
268 |
if (swap.text[p]) |
269 |
{ |
270 |
#ifdef DEBUG_STRICT |
271 |
assert (swap.rend[p]); |
272 |
#endif |
273 |
talloc->free (swap.text[p]); |
274 |
ralloc->free (swap.rend[p]); |
275 |
} |
276 |
#ifdef DEBUG_STRICT |
277 |
assert (drawn_text[p] && drawn_rend[p]); |
278 |
#endif |
279 |
talloc->free (drawn_text[p]); |
280 |
ralloc->free (drawn_rend[p]); |
281 |
} |
282 |
|
283 |
/* we have fewer rows so fix up cursor position */ |
284 |
MIN_IT (screen.cur.row, (int32_t)nrow - 1); |
285 |
MIN_IT (swap.cur.row, (int32_t)nrow - 1); |
286 |
|
287 |
scr_reset_realloc (); /* realloc _last_ */ |
288 |
} |
289 |
else if (nrow > prev_nrow) |
290 |
{ |
291 |
/* add rows */ |
292 |
scr_reset_realloc (); /* realloc _first_ */ |
293 |
|
294 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
295 |
|
296 |
k = min (TermWin.nscrolled, nrow - prev_nrow); |
297 |
|
298 |
for (p = prev_total_rows; p < total_rows; p++) |
299 |
{ |
300 |
screen.tlen[p] = 0; |
301 |
screen.text[p] = NULL; |
302 |
screen.rend[p] = NULL; |
303 |
} |
304 |
|
305 |
for (p = prev_total_rows; p < total_rows - k; p++) |
306 |
scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle); |
307 |
|
308 |
for (p = prev_nrow; p < nrow; p++) |
309 |
{ |
310 |
swap.tlen[p] = 0; |
311 |
swap.text[p] = NULL; |
312 |
swap.rend[p] = NULL; |
313 |
drawn_text[p] = NULL; |
314 |
drawn_rend[p] = NULL; |
315 |
scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle); |
316 |
scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle); |
317 |
} |
318 |
|
319 |
if (k > 0) |
320 |
{ |
321 |
scr_scroll_text (0, (int)nrow - 1, -k, 1); |
322 |
screen.cur.row += k; |
323 |
screen.s_cur.row += k; |
324 |
TermWin.nscrolled -= k; |
325 |
} |
326 |
#ifdef DEBUG_STRICT |
327 |
assert(screen.cur.row < TermWin.nrow); |
328 |
assert(swap.cur.row < TermWin.nrow); |
329 |
#else /* drive with your eyes closed */ |
330 |
|
331 |
MIN_IT(screen.cur.row, nrow - 1); |
332 |
MIN_IT(swap.cur.row, nrow - 1); |
333 |
#endif |
334 |
TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this |
335 |
} |
336 |
|
337 |
/* resize columns */ |
338 |
if (ncol != prev_ncol) |
339 |
{ |
340 |
int common = min (prev_ncol, ncol); |
341 |
rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); |
342 |
rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); |
343 |
|
344 |
for (p = 0; p < total_rows; p++) |
345 |
{ |
346 |
if (screen.text[p]) |
347 |
{ |
348 |
text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t; |
349 |
rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r; |
350 |
|
351 |
MIN_IT(screen.tlen[p], (int16_t)ncol); |
352 |
|
353 |
if (ncol > prev_ncol) |
354 |
scr_blank_line (&(screen.text[p][prev_ncol]), |
355 |
&(screen.rend[p][prev_ncol]), |
356 |
ncol - prev_ncol, |
357 |
setrstyle); |
358 |
} |
359 |
} |
360 |
|
361 |
for (p = 0; p < nrow; p++) |
362 |
{ |
363 |
text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t; |
364 |
rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r; |
365 |
|
366 |
if (ncol > prev_ncol) |
367 |
scr_blank_line (&(drawn_text[p][prev_ncol]), |
368 |
&(drawn_rend[p][prev_ncol]), |
369 |
ncol - prev_ncol, setrstyle); |
370 |
|
371 |
if (swap.text[p]) |
372 |
{ |
373 |
text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t; |
374 |
rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r; |
375 |
|
376 |
MIN_IT(swap.tlen[p], (int16_t)ncol); |
377 |
|
378 |
if (ncol > prev_ncol) |
379 |
scr_blank_line (&(swap.text[p][prev_ncol]), |
380 |
&(swap.rend[p][prev_ncol]), |
381 |
ncol - prev_ncol, setrstyle); |
382 |
} |
383 |
|
384 |
} |
385 |
|
386 |
MIN_IT (screen.cur.col, (int16_t)ncol - 1); |
387 |
MIN_IT (swap.cur.col, (int16_t)ncol - 1); |
388 |
|
389 |
delete talloc; talloc = ta; |
390 |
delete ralloc; ralloc = ra; |
391 |
} |
392 |
|
393 |
if (tabs) |
394 |
free(tabs); |
395 |
} |
396 |
|
397 |
prev_nrow = nrow; |
398 |
prev_ncol = ncol; |
399 |
|
400 |
tabs = (char *)rxvt_malloc (ncol * sizeof(char)); |
401 |
|
402 |
for (p = 0; p < ncol; p++) |
403 |
tabs[p] = (p % TABSIZE == 0) ? 1 : 0; |
404 |
|
405 |
tt_winch (); |
406 |
} |
407 |
|
408 |
void |
409 |
rxvt_term::scr_reset_realloc() |
410 |
{ |
411 |
uint16_t total_rows, nrow; |
412 |
|
413 |
nrow = TermWin.nrow; |
414 |
total_rows = nrow + TermWin.saveLines; |
415 |
/* *INDENT-OFF* */ |
416 |
screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *)); |
417 |
buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *)); |
418 |
drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *)); |
419 |
swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *)); |
420 |
|
421 |
screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t)); |
422 |
swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t)); |
423 |
|
424 |
screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *)); |
425 |
buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *)); |
426 |
drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *)); |
427 |
swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *)); |
428 |
/* *INDENT-ON* */ |
429 |
} |
430 |
|
431 |
/* ------------------------------------------------------------------------- */ |
432 |
/* |
433 |
* Free everything. That way malloc debugging can find leakage. |
434 |
*/ |
435 |
void |
436 |
rxvt_term::scr_release() |
437 |
{ |
438 |
uint16_t total_rows; |
439 |
int i; |
440 |
|
441 |
total_rows = TermWin.nrow + TermWin.saveLines; |
442 |
|
443 |
#ifdef DEBUG_STRICT |
444 |
for (i = 0; i < total_rows; i++) |
445 |
{ |
446 |
if (screen.text[i]) |
447 |
/* then so is screen.rend[i] */ |
448 |
assert(screen.rend[i]); |
449 |
} |
450 |
#endif |
451 |
|
452 |
delete talloc; |
453 |
delete ralloc; |
454 |
|
455 |
free (screen.text); |
456 |
free (screen.tlen); |
457 |
free (screen.rend); |
458 |
free (drawn_text); |
459 |
free (drawn_rend); |
460 |
free (swap.text); |
461 |
free (swap.tlen); |
462 |
free (swap.rend); |
463 |
free (buf_text); |
464 |
free (buf_rend); |
465 |
free (tabs); |
466 |
|
467 |
/* NULL these so if anything tries to use them, we'll know about it */ |
468 |
screen.text = drawn_text = swap.text = NULL; |
469 |
screen.rend = drawn_rend = swap.rend = NULL; |
470 |
screen.tlen = swap.tlen = NULL; |
471 |
buf_text = NULL; |
472 |
buf_rend = NULL; |
473 |
tabs = NULL; |
474 |
} |
475 |
|
476 |
/* ------------------------------------------------------------------------- */ |
477 |
/* |
478 |
* Hard reset |
479 |
*/ |
480 |
/* EXTPROTO */ |
481 |
void |
482 |
rxvt_scr_poweron(pR) |
483 |
{ |
484 |
D_SCREEN((stderr, "rxvt_scr_poweron()")); |
485 |
|
486 |
R->scr_release (); |
487 |
R->prev_nrow = R->prev_ncol = 0; |
488 |
R->scr_reset (); |
489 |
|
490 |
rxvt_scr_clear (aR); |
491 |
rxvt_scr_refresh (aR_ SLOW_REFRESH); |
492 |
#ifdef RXVT_GRAPHICS |
493 |
rxvt_Gr_reset (aR); |
494 |
#endif |
495 |
} |
496 |
|
497 |
/* ------------------------------------------------------------------------- * |
498 |
* PROCESS SCREEN COMMANDS * |
499 |
* ------------------------------------------------------------------------- */ |
500 |
/* |
501 |
* Save and Restore cursor |
502 |
* XTERM_SEQ: Save cursor : ESC 7 |
503 |
* XTERM_SEQ: Restore cursor: ESC 8 |
504 |
*/ |
505 |
/* EXTPROTO */ |
506 |
void |
507 |
rxvt_scr_cursor(pR_ int mode) |
508 |
{ |
509 |
screen_t *s; |
510 |
|
511 |
D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode)); |
512 |
|
513 |
#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) |
514 |
if (R->current_screen == SECONDARY) |
515 |
s = &(R->swap); |
516 |
else |
517 |
#endif |
518 |
s = &(R->screen); |
519 |
switch (mode) { |
520 |
case SAVE: |
521 |
s->s_cur.row = s->cur.row; |
522 |
s->s_cur.col = s->cur.col; |
523 |
s->s_rstyle = R->rstyle; |
524 |
s->s_charset = s->charset; |
525 |
s->s_charset_char = R->charsets[s->charset]; |
526 |
break; |
527 |
case RESTORE: |
528 |
R->want_refresh = 1; |
529 |
s->cur.row = s->s_cur.row; |
530 |
s->cur.col = s->s_cur.col; |
531 |
s->flags &= ~Screen_WrapNext; |
532 |
R->rstyle = s->s_rstyle; |
533 |
s->charset = s->s_charset; |
534 |
R->charsets[s->charset] = s->s_charset_char; |
535 |
rxvt_set_font_style(aR); |
536 |
break; |
537 |
} |
538 |
/* boundary check in case screen size changed between SAVE and RESTORE */ |
539 |
MIN_IT(s->cur.row, R->TermWin.nrow - 1); |
540 |
MIN_IT(s->cur.col, R->TermWin.ncol - 1); |
541 |
#ifdef DEBUG_STRICT |
542 |
assert(s->cur.row >= 0); |
543 |
assert(s->cur.col >= 0); |
544 |
#else /* drive with your eyes closed */ |
545 |
MAX_IT(s->cur.row, 0); |
546 |
MAX_IT(s->cur.col, 0); |
547 |
#endif |
548 |
} |
549 |
|
550 |
/* ------------------------------------------------------------------------- */ |
551 |
/* |
552 |
* Swap between primary and secondary screens |
553 |
* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h |
554 |
* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l |
555 |
*/ |
556 |
/* EXTPROTO */ |
557 |
int |
558 |
rxvt_scr_change_screen(pR_ int scrn) |
559 |
{ |
560 |
int i; |
561 |
#if NSCREENS |
562 |
int offset; |
563 |
#endif |
564 |
|
565 |
R->want_refresh = 1; |
566 |
|
567 |
D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn)); |
568 |
|
569 |
R->TermWin.view_start = 0; |
570 |
|
571 |
if (R->current_screen == scrn) |
572 |
return R->current_screen; |
573 |
|
574 |
rxvt_selection_check(aR_ 2); /* check for boundary cross */ |
575 |
|
576 |
SWAP_IT(R->current_screen, scrn, int); |
577 |
#if NSCREENS |
578 |
R->num_scr = 0; |
579 |
offset = R->TermWin.saveLines; |
580 |
for (i = R->prev_nrow; i--;) { |
581 |
SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); |
582 |
SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); |
583 |
SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); |
584 |
} |
585 |
SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t); |
586 |
SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t); |
587 |
# ifdef DEBUG_STRICT |
588 |
assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow)); |
589 |
assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol)); |
590 |
# else /* drive with your eyes closed */ |
591 |
MAX_IT(R->screen.cur.row, 0); |
592 |
MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1); |
593 |
MAX_IT(R->screen.cur.col, 0); |
594 |
MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1); |
595 |
# endif |
596 |
SWAP_IT(R->screen.charset, R->swap.charset, int16_t); |
597 |
SWAP_IT(R->screen.flags, R->swap.flags, int); |
598 |
R->screen.flags |= Screen_VisibleCursor; |
599 |
R->swap.flags |= Screen_VisibleCursor; |
600 |
|
601 |
# ifdef RXVT_GRAPHICS |
602 |
|
603 |
if (rxvt_Gr_Displayed(aR)) { |
604 |
rxvt_Gr_scroll(aR_ 0); |
605 |
rxvt_Gr_ChangeScreen(aR); |
606 |
} |
607 |
# endif |
608 |
#else |
609 |
# ifdef SCROLL_ON_NO_SECONDARY |
610 |
# ifdef RXVT_GRAPHICS |
611 |
if (rxvt_Gr_Displayed(aR)) |
612 |
rxvt_Gr_ClearScreen(aR); |
613 |
# endif |
614 |
if (R->current_screen == PRIMARY |
615 |
# ifdef RXVT_GRAPHICS |
616 |
&& !rxvt_Gr_Displayed(aR) |
617 |
# endif |
618 |
) |
619 |
R->scr_scroll_text(0, (R->prev_nrow - 1), R->prev_nrow, 0); |
620 |
# endif |
621 |
#endif |
622 |
return scrn; |
623 |
} |
624 |
|
625 |
/* ------------------------------------------------------------------------- */ |
626 |
/* |
627 |
* Change the colour for following text |
628 |
*/ |
629 |
/* EXTPROTO */ |
630 |
void |
631 |
rxvt_scr_color(pR_ unsigned int color, int fgbg) |
632 |
{ |
633 |
color &= RS_fgMask; |
634 |
if (fgbg == Color_fg) |
635 |
R->rstyle = SET_FGCOLOR(R->rstyle, color); |
636 |
else |
637 |
R->rstyle = SET_BGCOLOR(R->rstyle, color); |
638 |
} |
639 |
|
640 |
/* ------------------------------------------------------------------------- */ |
641 |
/* |
642 |
* Change the rendition style for following text |
643 |
*/ |
644 |
/* EXTPROTO */ |
645 |
void |
646 |
rxvt_scr_rendition(pR_ int set, int style) |
647 |
{ |
648 |
if (set) |
649 |
R->rstyle |= style; |
650 |
else if (style == ~RS_None) |
651 |
R->rstyle = DEFAULT_RSTYLE; |
652 |
else |
653 |
R->rstyle &= ~style; |
654 |
} |
655 |
|
656 |
/* ------------------------------------------------------------------------- */ |
657 |
/* |
658 |
* Scroll text between <row1> and <row2> inclusive, by <count> lines |
659 |
* count positive ==> scroll up |
660 |
* count negative ==> scroll down |
661 |
* spec == 0 for normal routines |
662 |
*/ |
663 |
int |
664 |
rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) |
665 |
{ |
666 |
int i, j; |
667 |
long nscrolled; |
668 |
|
669 |
if (count == 0 || (row1 > row2)) |
670 |
return 0; |
671 |
|
672 |
want_refresh = 1; |
673 |
D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); |
674 |
|
675 |
if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) |
676 |
{ |
677 |
nscrolled = (long)TermWin.nscrolled + (long)count; |
678 |
|
679 |
if (nscrolled > (long)TermWin.saveLines) |
680 |
TermWin.nscrolled = TermWin.saveLines; |
681 |
else |
682 |
TermWin.nscrolled = (uint16_t)nscrolled; |
683 |
|
684 |
if ((Options & Opt_scrollWithBuffer) |
685 |
&& TermWin.view_start != 0 |
686 |
&& TermWin.view_start != TermWin.saveLines) |
687 |
rxvt_scr_page (this, UP, count); |
688 |
} |
689 |
else if (!spec) |
690 |
row1 += TermWin.saveLines; |
691 |
|
692 |
row2 += TermWin.saveLines; |
693 |
|
694 |
if (selection.op && current_screen == selection.screen) |
695 |
{ |
696 |
i = selection.beg.row + TermWin.saveLines; |
697 |
j = selection.end.row + TermWin.saveLines; |
698 |
if ((i < row1 && j > row1) |
699 |
|| (i < row2 && j > row2) |
700 |
|| (i - count < row1 && i >= row1) |
701 |
|| (i - count > row2 && i <= row2) |
702 |
|| (j - count < row1 && j >= row1) |
703 |
|| (j - count > row2 && j <= row2)) |
704 |
{ |
705 |
CLEAR_ALL_SELECTION (this); |
706 |
selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ |
707 |
} |
708 |
else if (j >= row1 && j <= row2) |
709 |
{ |
710 |
/* move selected region too */ |
711 |
selection.beg.row -= count; |
712 |
selection.end.row -= count; |
713 |
selection.mark.row -= count; |
714 |
} |
715 |
} |
716 |
|
717 |
rxvt_selection_check (this, 0); /* _after_ TermWin.nscrolled update */ |
718 |
|
719 |
num_scr += count; |
720 |
j = count; |
721 |
|
722 |
if (count < 0) |
723 |
count = -count; |
724 |
|
725 |
i = row2 - row1 + 1; |
726 |
MIN_IT(count, i); |
727 |
|
728 |
if (j > 0) |
729 |
{ |
730 |
/* A: scroll up */ |
731 |
|
732 |
/* A1: Copy lines that will get clobbered by the rotation */ |
733 |
for (i = 0, j = row1; i < count; i++, j++) |
734 |
{ |
735 |
buf_text[i] = screen.text[j]; |
736 |
buf_rend[i] = screen.rend[j]; |
737 |
} |
738 |
/* A2: Rotate lines */ |
739 |
for (j = row1, i = j + count; i <= row2; i++, j++) |
740 |
{ |
741 |
screen.tlen[j] = screen.tlen[i]; |
742 |
screen.text[j] = screen.text[i]; |
743 |
screen.rend[j] = screen.rend[i]; |
744 |
} |
745 |
j = row2 - count + 1, i = count; |
746 |
} |
747 |
else /* if (j < 0) */ |
748 |
{ |
749 |
/* B: scroll down */ |
750 |
|
751 |
/* B1: Copy lines that will get clobbered by the rotation */ |
752 |
for (i = 0, j = row2; i < count; i++, j--) |
753 |
{ |
754 |
buf_text[i] = screen.text[j]; |
755 |
buf_rend[i] = screen.rend[j]; |
756 |
} |
757 |
/* B2: Rotate lines */ |
758 |
for (j = row2, i = j - count; i >= row1; i--, j--) |
759 |
{ |
760 |
screen.tlen[j] = screen.tlen[i]; |
761 |
screen.text[j] = screen.text[i]; |
762 |
screen.rend[j] = screen.rend[i]; |
763 |
} |
764 |
j = row1, i = count; |
765 |
count = -count; |
766 |
} |
767 |
|
768 |
/* C: Resurrect lines */ |
769 |
for (; i--; j++) |
770 |
{ |
771 |
screen.tlen[j] = 0; |
772 |
screen.text[j] = buf_text[i]; |
773 |
screen.rend[j] = buf_rend[i]; |
774 |
|
775 |
if (!spec) /* line length may not equal TermWin.ncol */ |
776 |
scr_blank_screen_mem (screen.text, screen.rend, |
777 |
(unsigned int)j, rstyle); |
778 |
} |
779 |
|
780 |
#ifdef RXVT_GRAPHICS |
781 |
if (rxvt_Gr_Displayed (this)) |
782 |
rxvt_Gr_scroll(this, count); |
783 |
#endif |
784 |
|
785 |
return count; |
786 |
} |
787 |
|
788 |
/* ------------------------------------------------------------------------- */ |
789 |
/* |
790 |
* Add text given in <str> of length <len> to screen struct |
791 |
*/ |
792 |
/* EXTPROTO */ |
793 |
void |
794 |
rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len) |
795 |
{ |
796 |
unsigned char checksel, clearsel; |
797 |
uint32_t c; |
798 |
int i, row, last_col; |
799 |
text_t *stp; |
800 |
rend_t *srp; |
801 |
|
802 |
if (len <= 0) /* sanity */ |
803 |
return; |
804 |
|
805 |
R->want_refresh = 1; |
806 |
last_col = R->TermWin.ncol; |
807 |
|
808 |
D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len)); |
809 |
ZERO_SCROLLBACK(R); |
810 |
if (nlines > 0) { |
811 |
nlines += (R->screen.cur.row - R->screen.bscroll); |
812 |
if ((nlines > 0) |
813 |
&& (R->screen.tscroll == 0) |
814 |
&& (R->screen.bscroll == (R->TermWin.nrow - 1))) { |
815 |
/* _at least_ this many lines need to be scrolled */ |
816 |
R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, nlines, 0); |
817 |
R->screen.cur.row -= nlines; |
818 |
} |
819 |
} |
820 |
#ifdef DEBUG_STRICT |
821 |
assert(R->screen.cur.col < last_col); |
822 |
assert((R->screen.cur.row < R->TermWin.nrow) |
823 |
&& (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); |
824 |
#else /* drive with your eyes closed */ |
825 |
MIN_IT(R->screen.cur.col, last_col - 1); |
826 |
MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); |
827 |
MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled); |
828 |
#endif |
829 |
row = R->screen.cur.row + R->TermWin.saveLines; |
830 |
|
831 |
checksel = (R->selection.op |
832 |
&& R->current_screen == R->selection.screen) ? 1 : 0; |
833 |
clearsel = 0; |
834 |
|
835 |
stp = R->screen.text[row]; |
836 |
srp = R->screen.rend[row]; |
837 |
|
838 |
for (i = 0; i < len;) { |
839 |
c = str[i++]; |
840 |
switch (c) { |
841 |
case '\t': |
842 |
rxvt_scr_tab (aR_ 1); |
843 |
continue; |
844 |
case '\n': |
845 |
if (R->screen.tlen[row] != -1) /* XXX: think about this */ |
846 |
MAX_IT(R->screen.tlen[row], R->screen.cur.col); |
847 |
R->screen.flags &= ~Screen_WrapNext; |
848 |
if (R->screen.cur.row == R->screen.bscroll) |
849 |
R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, 1, 0); |
850 |
else if (R->screen.cur.row < (R->TermWin.nrow - 1)) |
851 |
row = (++R->screen.cur.row) + R->TermWin.saveLines; |
852 |
stp = R->screen.text[row]; /* _must_ refresh */ |
853 |
srp = R->screen.rend[row]; /* _must_ refresh */ |
854 |
continue; |
855 |
case '\r': |
856 |
if (R->screen.tlen[row] != -1) /* XXX: think about this */ |
857 |
MAX_IT(R->screen.tlen[row], R->screen.cur.col); |
858 |
R->screen.flags &= ~Screen_WrapNext; |
859 |
R->screen.cur.col = 0; |
860 |
continue; |
861 |
default: |
862 |
if (c == 127) |
863 |
continue; /* yummmm..... */ |
864 |
break; |
865 |
} |
866 |
|
867 |
if (checksel /* see if we're writing within selection */ |
868 |
&& !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) |
869 |
&& ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { |
870 |
checksel = 0; |
871 |
clearsel = 1; |
872 |
} |
873 |
if (R->screen.flags & Screen_WrapNext) { |
874 |
R->screen.tlen[row] = -1; |
875 |
if (R->screen.cur.row == R->screen.bscroll) |
876 |
R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, 1, 0); |
877 |
else if (R->screen.cur.row < (R->TermWin.nrow - 1)) |
878 |
row = (++R->screen.cur.row) + R->TermWin.saveLines; |
879 |
stp = R->screen.text[row]; /* _must_ refresh */ |
880 |
srp = R->screen.rend[row]; /* _must_ refresh */ |
881 |
R->screen.cur.col = 0; |
882 |
R->screen.flags &= ~Screen_WrapNext; |
883 |
} |
884 |
if (R->screen.flags & Screen_Insert) |
885 |
rxvt_scr_insdel_chars(aR_ 1, INSERT); |
886 |
|
887 |
if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL |
888 |
switch (c) |
889 |
{ |
890 |
case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; |
891 |
case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; |
892 |
case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break; |
893 |
case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break; |
894 |
case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break; |
895 |
case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break; |
896 |
case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break; |
897 |
case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break; |
898 |
case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break; |
899 |
case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break; |
900 |
case '}': c = 0x00a3; break; case '~': c = 0x00b7; break; |
901 |
} |
902 |
|
903 |
rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); |
904 |
|
905 |
stp[R->screen.cur.col] = c; |
906 |
srp[R->screen.cur.col] = rend; |
907 |
|
908 |
if (c > 255) |
909 |
{ |
910 |
// rely on wcwidth to tell us the character width, at least for non iso-8859-1 |
911 |
int width = wcwidth (c); |
912 |
|
913 |
if (width > 1) |
914 |
{ |
915 |
while (--width > 0 && R->screen.cur.col < last_col - 1) |
916 |
{ |
917 |
|
918 |
srp[R->screen.cur.col] |= RS_wide; |
919 |
|
920 |
R->screen.cur.col++; |
921 |
stp[R->screen.cur.col] = NOCHAR; |
922 |
srp[R->screen.cur.col] = rend; |
923 |
} |
924 |
} |
925 |
} |
926 |
|
927 |
if (R->screen.cur.col < last_col - 1) |
928 |
R->screen.cur.col++; |
929 |
else { |
930 |
R->screen.tlen[row] = last_col; |
931 |
if (R->screen.flags & Screen_Autowrap) |
932 |
R->screen.flags |= Screen_WrapNext; |
933 |
} |
934 |
} |
935 |
if (R->screen.tlen[row] != -1) /* XXX: think about this */ |
936 |
MAX_IT(R->screen.tlen[row], R->screen.cur.col); |
937 |
|
938 |
/* |
939 |
* If we wrote anywhere in the selected area, kill the selection |
940 |
* XXX: should we kill the mark too? Possibly, but maybe that |
941 |
* should be a similar check. |
942 |
*/ |
943 |
if (clearsel) |
944 |
CLEAR_SELECTION(R); |
945 |
|
946 |
#ifdef DEBUG_STRICT |
947 |
assert(R->screen.cur.row >= 0); |
948 |
#else /* drive with your eyes closed */ |
949 |
MAX_IT(R->screen.cur.row, 0); |
950 |
#endif |
951 |
} |
952 |
|
953 |
/* ------------------------------------------------------------------------- */ |
954 |
/* |
955 |
* Process Backspace. Move back the cursor back a position, wrap if have to |
956 |
* XTERM_SEQ: CTRL-H |
957 |
*/ |
958 |
/* EXTPROTO */ |
959 |
void |
960 |
rxvt_scr_backspace(pR) |
961 |
{ |
962 |
R->want_refresh = 1; |
963 |
if (R->screen.cur.col == 0) { |
964 |
if (R->screen.cur.row > 0) { |
965 |
#ifdef TERMCAP_HAS_BW |
966 |
R->screen.cur.col = R->TermWin.ncol - 1; |
967 |
R->screen.cur.row--; |
968 |
return; |
969 |
#endif |
970 |
} |
971 |
} else if ((R->screen.flags & Screen_WrapNext) == 0) |
972 |
rxvt_scr_gotorc(aR_ 0, -1, RELATIVE); |
973 |
R->screen.flags &= ~Screen_WrapNext; |
974 |
} |
975 |
|
976 |
/* ------------------------------------------------------------------------- */ |
977 |
/* |
978 |
* Process Horizontal Tab |
979 |
* count: +ve = forward; -ve = backwards |
980 |
* XTERM_SEQ: CTRL-I |
981 |
*/ |
982 |
/* EXTPROTO */ |
983 |
void |
984 |
rxvt_scr_tab(pR_ int count) |
985 |
{ |
986 |
int i, x; |
987 |
|
988 |
D_SCREEN((stderr, "rxvt_scr_tab(%d)", count)); |
989 |
R->want_refresh = 1; |
990 |
i = x = R->screen.cur.col; |
991 |
if (count == 0) |
992 |
return; |
993 |
else if (count > 0) { |
994 |
for (; ++i < R->TermWin.ncol; ) |
995 |
if (R->tabs[i]) { |
996 |
x = i; |
997 |
if (!--count) |
998 |
break; |
999 |
} |
1000 |
if (count) |
1001 |
x = R->TermWin.ncol - 1; |
1002 |
} else /* if (count < 0) */ { |
1003 |
for (; --i >= 0; ) |
1004 |
if (R->tabs[i]) { |
1005 |
x = i; |
1006 |
if (!++count) |
1007 |
break; |
1008 |
} |
1009 |
if (count) |
1010 |
x = 0; |
1011 |
} |
1012 |
if (x != R->screen.cur.col) |
1013 |
rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); |
1014 |
} |
1015 |
|
1016 |
/* ------------------------------------------------------------------------- */ |
1017 |
/* |
1018 |
* Process DEC Back Index |
1019 |
* XTERM_SEQ: ESC 6 |
1020 |
* Move cursor left in row. If we're at the left boundary, shift everything |
1021 |
* in that row right. Clear left column. |
1022 |
*/ |
1023 |
#ifndef NO_FRILLS |
1024 |
/* EXTPROTO */ |
1025 |
void |
1026 |
rxvt_scr_backindex(pR) |
1027 |
{ |
1028 |
if (R->screen.cur.col > 0) |
1029 |
rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); |
1030 |
else { |
1031 |
if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0) |
1032 |
return; /* um, yeah? */ |
1033 |
rxvt_scr_insdel_chars(aR_ 1, INSERT); |
1034 |
} |
1035 |
} |
1036 |
#endif |
1037 |
/* ------------------------------------------------------------------------- */ |
1038 |
/* |
1039 |
* Process DEC Forward Index |
1040 |
* XTERM_SEQ: ESC 9 |
1041 |
* Move cursor right in row. If we're at the right boundary, shift everything |
1042 |
* in that row left. Clear right column. |
1043 |
*/ |
1044 |
#ifndef NO_FRILLS |
1045 |
/* EXTPROTO */ |
1046 |
void |
1047 |
rxvt_scr_forwardindex(pR) |
1048 |
{ |
1049 |
int row; |
1050 |
|
1051 |
if (R->screen.cur.col < R->TermWin.ncol - 1) |
1052 |
rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); |
1053 |
else { |
1054 |
row = R->screen.cur.row + R->TermWin.saveLines; |
1055 |
if (R->screen.tlen[row] == 0) |
1056 |
return; /* um, yeah? */ |
1057 |
else if (R->screen.tlen[row] == -1) |
1058 |
R->screen.tlen[row] = R->TermWin.ncol; |
1059 |
rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); |
1060 |
rxvt_scr_insdel_chars(aR_ 1, DELETE); |
1061 |
rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); |
1062 |
} |
1063 |
} |
1064 |
#endif |
1065 |
|
1066 |
/* ------------------------------------------------------------------------- */ |
1067 |
/* |
1068 |
* Goto Row/Column |
1069 |
*/ |
1070 |
/* EXTPROTO */ |
1071 |
void |
1072 |
rxvt_scr_gotorc(pR_ int row, int col, int relative) |
1073 |
{ |
1074 |
R->want_refresh = 1; |
1075 |
ZERO_SCROLLBACK(R); |
1076 |
#ifdef RXVT_GRAPHICS |
1077 |
if (rxvt_Gr_Displayed(aR)) |
1078 |
rxvt_Gr_scroll(aR_ 0); |
1079 |
#endif |
1080 |
|
1081 |
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, R->screen.cur.row, R->screen.cur.col)); |
1082 |
|
1083 |
R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) |
1084 |
: col); |
1085 |
MAX_IT(R->screen.cur.col, 0); |
1086 |
MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1); |
1087 |
|
1088 |
R->screen.flags &= ~Screen_WrapNext; |
1089 |
if (relative & R_RELATIVE) { |
1090 |
if (row > 0) { |
1091 |
if (R->screen.cur.row <= R->screen.bscroll |
1092 |
&& (R->screen.cur.row + row) > R->screen.bscroll) |
1093 |
R->screen.cur.row = R->screen.bscroll; |
1094 |
else |
1095 |
R->screen.cur.row += row; |
1096 |
} else if (row < 0) { |
1097 |
if (R->screen.cur.row >= R->screen.tscroll |
1098 |
&& (R->screen.cur.row + row) < R->screen.tscroll) |
1099 |
R->screen.cur.row = R->screen.tscroll; |
1100 |
else |
1101 |
R->screen.cur.row += row; |
1102 |
} |
1103 |
} else { |
1104 |
if (R->screen.flags & Screen_Relative) { /* relative origin mode */ |
1105 |
R->screen.cur.row = row + R->screen.tscroll; |
1106 |
MIN_IT(R->screen.cur.row, R->screen.bscroll); |
1107 |
} else |
1108 |
R->screen.cur.row = row; |
1109 |
} |
1110 |
MAX_IT(R->screen.cur.row, 0); |
1111 |
MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); |
1112 |
} |
1113 |
|
1114 |
/* ------------------------------------------------------------------------- */ |
1115 |
/* |
1116 |
* direction should be UP or DN |
1117 |
*/ |
1118 |
/* EXTPROTO */ |
1119 |
void |
1120 |
rxvt_scr_index(pR_ enum page_dirn direction) |
1121 |
{ |
1122 |
int dirn; |
1123 |
|
1124 |
R->want_refresh = 1; |
1125 |
dirn = ((direction == UP) ? 1 : -1); |
1126 |
D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn)); |
1127 |
|
1128 |
ZERO_SCROLLBACK(R); |
1129 |
|
1130 |
#ifdef RXVT_GRAPHICS |
1131 |
if (rxvt_Gr_Displayed(aR)) |
1132 |
rxvt_Gr_scroll(aR_ 0); |
1133 |
#endif |
1134 |
|
1135 |
R->screen.flags &= ~Screen_WrapNext; |
1136 |
if ((R->screen.cur.row == R->screen.bscroll && direction == UP) |
1137 |
|| (R->screen.cur.row == R->screen.tscroll && direction == DN)) |
1138 |
R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, dirn, 0); |
1139 |
else |
1140 |
R->screen.cur.row += dirn; |
1141 |
MAX_IT(R->screen.cur.row, 0); |
1142 |
MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); |
1143 |
rxvt_selection_check(aR_ 0); |
1144 |
} |
1145 |
|
1146 |
/* ------------------------------------------------------------------------- */ |
1147 |
/* |
1148 |
* Erase part or whole of a line |
1149 |
* XTERM_SEQ: Clear line to right: ESC [ 0 K |
1150 |
* XTERM_SEQ: Clear line to left : ESC [ 1 K |
1151 |
* XTERM_SEQ: Clear whole line : ESC [ 2 K |
1152 |
*/ |
1153 |
/* EXTPROTO */ |
1154 |
void |
1155 |
rxvt_scr_erase_line(pR_ int mode) |
1156 |
{ |
1157 |
unsigned int row, col, num; |
1158 |
|
1159 |
R->want_refresh = 1; |
1160 |
D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row)); |
1161 |
ZERO_SCROLLBACK (R); |
1162 |
|
1163 |
#ifdef RXVT_GRAPHICS |
1164 |
if (rxvt_Gr_Displayed (aR)) |
1165 |
rxvt_Gr_scroll (aR_ 0); |
1166 |
#endif |
1167 |
|
1168 |
rxvt_selection_check (aR_ 1); |
1169 |
|
1170 |
R->screen.flags &= ~Screen_WrapNext; |
1171 |
|
1172 |
row = R->TermWin.saveLines + R->screen.cur.row; |
1173 |
switch (mode) |
1174 |
{ |
1175 |
case 0: /* erase to end of line */ |
1176 |
col = R->screen.cur.col; |
1177 |
num = R->TermWin.ncol - col; |
1178 |
MIN_IT(R->screen.tlen[row], (int16_t)col); |
1179 |
if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) |
1180 |
|| ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) |
1181 |
CLEAR_SELECTION(R); |
1182 |
break; |
1183 |
case 1: /* erase to beginning of line */ |
1184 |
col = 0; |
1185 |
num = R->screen.cur.col + 1; |
1186 |
if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) |
1187 |
|| ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) |
1188 |
CLEAR_SELECTION(R); |
1189 |
break; |
1190 |
case 2: /* erase whole line */ |
1191 |
col = 0; |
1192 |
num = R->TermWin.ncol; |
1193 |
R->screen.tlen[row] = 0; |
1194 |
if (R->selection.beg.row <= R->screen.cur.row |
1195 |
&& R->selection.end.row >= R->screen.cur.row) |
1196 |
CLEAR_SELECTION(R); |
1197 |
break; |
1198 |
default: |
1199 |
return; |
1200 |
} |
1201 |
|
1202 |
if (R->screen.text[row]) |
1203 |
R->scr_blank_line (&(R->screen.text[row][col]), |
1204 |
&(R->screen.rend[row][col]), num, R->rstyle); |
1205 |
else |
1206 |
R->scr_blank_screen_mem (R->screen.text, R->screen.rend, row, R->rstyle); |
1207 |
} |
1208 |
|
1209 |
/* ------------------------------------------------------------------------- */ |
1210 |
/* |
1211 |
* Erase part of whole of the screen |
1212 |
* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J |
1213 |
* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J |
1214 |
* XTERM_SEQ: Clear whole screen : ESC [ 2 J |
1215 |
*/ |
1216 |
/* EXTPROTO */ |
1217 |
void |
1218 |
rxvt_scr_erase_screen(pR_ int mode) |
1219 |
{ |
1220 |
int num; |
1221 |
int32_t row, row_offset; |
1222 |
rend_t ren; |
1223 |
XGCValues gcvalue; |
1224 |
|
1225 |
R->want_refresh = 1; |
1226 |
D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, R->screen.cur.row)); |
1227 |
ZERO_SCROLLBACK(R); |
1228 |
row_offset = (int32_t)R->TermWin.saveLines; |
1229 |
|
1230 |
switch (mode) { |
1231 |
case 0: /* erase to end of screen */ |
1232 |
rxvt_selection_check(aR_ 1); |
1233 |
rxvt_scr_erase_line(aR_ 0); |
1234 |
row = R->screen.cur.row + 1; /* possible OOB */ |
1235 |
num = R->TermWin.nrow - row; |
1236 |
break; |
1237 |
case 1: /* erase to beginning of screen */ |
1238 |
rxvt_selection_check(aR_ 3); |
1239 |
rxvt_scr_erase_line(aR_ 1); |
1240 |
row = 0; |
1241 |
num = R->screen.cur.row; |
1242 |
break; |
1243 |
case 2: /* erase whole screen */ |
1244 |
rxvt_selection_check(aR_ 3); |
1245 |
#ifdef RXVT_GRAPHICS |
1246 |
rxvt_Gr_ClearScreen(aR); |
1247 |
#endif |
1248 |
row = 0; |
1249 |
num = R->TermWin.nrow; |
1250 |
break; |
1251 |
default: |
1252 |
return; |
1253 |
} |
1254 |
R->refresh_type |= REFRESH_BOUNDS; |
1255 |
if (R->selection.op && R->current_screen == R->selection.screen |
1256 |
&& ((R->selection.beg.row >= row && R->selection.beg.row <= row + num) |
1257 |
|| (R->selection.end.row >= row |
1258 |
&& R->selection.end.row <= row + num))) |
1259 |
CLEAR_SELECTION(R); |
1260 |
if (row >= R->TermWin.nrow) /* Out Of Bounds */ |
1261 |
return; |
1262 |
MIN_IT(num, (R->TermWin.nrow - row)); |
1263 |
if (R->rstyle & (RS_RVid | RS_Uline)) |
1264 |
ren = (rend_t) ~RS_None; |
1265 |
else if (GET_BASEBG(R->rstyle) == Color_bg) { |
1266 |
ren = DEFAULT_RSTYLE; |
1267 |
CLEAR_ROWS(row, num); |
1268 |
} else { |
1269 |
ren = (R->rstyle & (RS_fgMask | RS_bgMask)); |
1270 |
gcvalue.foreground = R->PixColors[GET_BGCOLOR(R->rstyle)]; |
1271 |
XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); |
1272 |
ERASE_ROWS(row, num); |
1273 |
gcvalue.foreground = R->PixColors[Color_fg]; |
1274 |
XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); |
1275 |
} |
1276 |
for (; num--; row++) { |
1277 |
R->scr_blank_screen_mem (R->screen.text, R->screen.rend, |
1278 |
(unsigned int)(row + row_offset), R->rstyle); |
1279 |
R->screen.tlen[row + row_offset] = 0; |
1280 |
R->scr_blank_line (R->drawn_text[row], R->drawn_rend[row], |
1281 |
(unsigned int)R->TermWin.ncol, ren); |
1282 |
} |
1283 |
} |
1284 |
|
1285 |
/* ------------------------------------------------------------------------- */ |
1286 |
/* |
1287 |
* Fill the screen with `E's |
1288 |
* XTERM_SEQ: Screen Alignment Test: ESC # 8 |
1289 |
*/ |
1290 |
/* EXTPROTO */ |
1291 |
void |
1292 |
rxvt_scr_E(pR) |
1293 |
{ |
1294 |
int i, j, k; |
1295 |
rend_t *r1, fs; |
1296 |
|
1297 |
R->want_refresh = 1; |
1298 |
R->num_scr_allow = 0; |
1299 |
ZERO_SCROLLBACK(R); |
1300 |
rxvt_selection_check(aR_ 3); |
1301 |
|
1302 |
fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); |
1303 |
for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { |
1304 |
R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ |
1305 |
fill_text (R->screen.text[k], 'E', R->TermWin.ncol); |
1306 |
for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) |
1307 |
*r1++ = fs; |
1308 |
} |
1309 |
} |
1310 |
|
1311 |
/* ------------------------------------------------------------------------- */ |
1312 |
/* |
1313 |
* Insert/Delete <count> lines |
1314 |
*/ |
1315 |
/* EXTPROTO */ |
1316 |
void |
1317 |
rxvt_scr_insdel_lines(pR_ int count, int insdel) |
1318 |
{ |
1319 |
int end; |
1320 |
|
1321 |
ZERO_SCROLLBACK(R); |
1322 |
|
1323 |
#ifdef RXVT_GRAPHICS |
1324 |
if (rxvt_Gr_Displayed(aR)) |
1325 |
rxvt_Gr_scroll(aR_ 0); |
1326 |
#endif |
1327 |
|
1328 |
rxvt_selection_check(aR_ 1); |
1329 |
|
1330 |
if (R->screen.cur.row > R->screen.bscroll) |
1331 |
return; |
1332 |
|
1333 |
end = R->screen.bscroll - R->screen.cur.row + 1; |
1334 |
if (count > end) { |
1335 |
if (insdel == DELETE) |
1336 |
return; |
1337 |
else if (insdel == INSERT) |
1338 |
count = end; |
1339 |
} |
1340 |
R->screen.flags &= ~Screen_WrapNext; |
1341 |
|
1342 |
R->scr_scroll_text(R->screen.cur.row, R->screen.bscroll, insdel * count, 0); |
1343 |
} |
1344 |
|
1345 |
/* ------------------------------------------------------------------------- */ |
1346 |
/* |
1347 |
* Insert/Delete <count> characters from the current position |
1348 |
*/ |
1349 |
/* EXTPROTO */ |
1350 |
void |
1351 |
rxvt_scr_insdel_chars(pR_ int count, int insdel) |
1352 |
{ |
1353 |
int col, row; |
1354 |
rend_t tr; |
1355 |
text_t *stp; |
1356 |
rend_t *srp; |
1357 |
int16_t *slp; |
1358 |
|
1359 |
R->want_refresh = 1; |
1360 |
ZERO_SCROLLBACK(R); |
1361 |
|
1362 |
#ifdef RXVT_GRAPHICS |
1363 |
if (rxvt_Gr_Displayed(aR)) |
1364 |
rxvt_Gr_scroll(aR_ 0); |
1365 |
#endif |
1366 |
|
1367 |
if (count <= 0) |
1368 |
return; |
1369 |
|
1370 |
rxvt_selection_check(aR_ 1); |
1371 |
MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); |
1372 |
|
1373 |
row = R->screen.cur.row + R->TermWin.saveLines; |
1374 |
R->screen.flags &= ~Screen_WrapNext; |
1375 |
|
1376 |
stp = R->screen.text[row]; |
1377 |
srp = R->screen.rend[row]; |
1378 |
slp = &(R->screen.tlen[row]); |
1379 |
switch (insdel) { |
1380 |
case INSERT: |
1381 |
for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; |
1382 |
col--) { |
1383 |
stp[col] = stp[col - count]; |
1384 |
srp[col] = srp[col - count]; |
1385 |
} |
1386 |
if (*slp != -1) { |
1387 |
*slp += count; |
1388 |
MIN_IT(*slp, R->TermWin.ncol); |
1389 |
} |
1390 |
if (R->selection.op && R->current_screen == R->selection.screen |
1391 |
&& ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { |
1392 |
if (R->selection.end.row != R->screen.cur.row |
1393 |
|| (R->selection.end.col + count >= R->TermWin.ncol)) |
1394 |
CLEAR_SELECTION(R); |
1395 |
else { /* shift selection */ |
1396 |
R->selection.beg.col += count; |
1397 |
R->selection.mark.col += count; /* XXX: yes? */ |
1398 |
R->selection.end.col += count; |
1399 |
} |
1400 |
} |
1401 |
R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), |
1402 |
(unsigned int)count, R->rstyle); |
1403 |
break; |
1404 |
case ERASE: |
1405 |
R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ |
1406 |
rxvt_selection_check(aR_ 1); |
1407 |
R->screen.cur.col -= count; |
1408 |
R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), |
1409 |
(unsigned int)count, R->rstyle); |
1410 |
break; |
1411 |
case DELETE: |
1412 |
tr = srp[R->TermWin.ncol - 1] |
1413 |
& (RS_fgMask | RS_bgMask | RS_baseattrMask); |
1414 |
for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { |
1415 |
stp[col] = stp[col + count]; |
1416 |
srp[col] = srp[col + count]; |
1417 |
} |
1418 |
R->scr_blank_line (&(stp[R->TermWin.ncol - count]), |
1419 |
&(srp[R->TermWin.ncol - count]), |
1420 |
(unsigned int)count, tr); |
1421 |
if (*slp == -1) /* break line continuation */ |
1422 |
*slp = R->TermWin.ncol; |
1423 |
*slp -= count; |
1424 |
MAX_IT(*slp, 0); |
1425 |
if (R->selection.op && R->current_screen == R->selection.screen |
1426 |
&& ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { |
1427 |
if (R->selection.end.row != R->screen.cur.row |
1428 |
|| (R->screen.cur.col >= R->selection.beg.col - count) |
1429 |
|| R->selection.end.col >= R->TermWin.ncol) |
1430 |
CLEAR_SELECTION(R); |
1431 |
else { |
1432 |
/* shift selection */ |
1433 |
R->selection.beg.col -= count; |
1434 |
R->selection.mark.col -= count; /* XXX: yes? */ |
1435 |
R->selection.end.col -= count; |
1436 |
} |
1437 |
} |
1438 |
break; |
1439 |
} |
1440 |
} |
1441 |
|
1442 |
/* ------------------------------------------------------------------------- */ |
1443 |
/* |
1444 |
* Set the scrolling region |
1445 |
* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r |
1446 |
*/ |
1447 |
/* EXTPROTO */ |
1448 |
void |
1449 |
rxvt_scr_scroll_region(pR_ int top, int bot) |
1450 |
{ |
1451 |
MAX_IT(top, 0); |
1452 |
MIN_IT(bot, (int)R->TermWin.nrow - 1); |
1453 |
if (top > bot) |
1454 |
return; |
1455 |
R->screen.tscroll = top; |
1456 |
R->screen.bscroll = bot; |
1457 |
rxvt_scr_gotorc(aR_ 0, 0, 0); |
1458 |
} |
1459 |
|
1460 |
/* ------------------------------------------------------------------------- */ |
1461 |
/* |
1462 |
* Make the cursor visible/invisible |
1463 |
* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h |
1464 |
* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l |
1465 |
*/ |
1466 |
/* EXTPROTO */ |
1467 |
void |
1468 |
rxvt_scr_cursor_visible(pR_ int mode) |
1469 |
{ |
1470 |
R->want_refresh = 1; |
1471 |
if (mode) |
1472 |
R->screen.flags |= Screen_VisibleCursor; |
1473 |
else |
1474 |
R->screen.flags &= ~Screen_VisibleCursor; |
1475 |
} |
1476 |
|
1477 |
/* ------------------------------------------------------------------------- */ |
1478 |
/* |
1479 |
* Set/unset automatic wrapping |
1480 |
* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h |
1481 |
* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l |
1482 |
*/ |
1483 |
/* EXTPROTO */ |
1484 |
void |
1485 |
rxvt_scr_autowrap(pR_ int mode) |
1486 |
{ |
1487 |
if (mode) |
1488 |
R->screen.flags |= Screen_Autowrap; |
1489 |
else |
1490 |
R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); |
1491 |
} |
1492 |
|
1493 |
/* ------------------------------------------------------------------------- */ |
1494 |
/* |
1495 |
* Set/unset margin origin mode |
1496 |
* Absolute mode: line numbers are counted relative to top margin of screen |
1497 |
* and the cursor can be moved outside the scrolling region. |
1498 |
* Relative mode: line numbers are relative to top margin of scrolling region |
1499 |
* and the cursor cannot be moved outside. |
1500 |
* XTERM_SEQ: Set Absolute: ESC [ ? 6 h |
1501 |
* XTERM_SEQ: Set Relative: ESC [ ? 6 l |
1502 |
*/ |
1503 |
/* EXTPROTO */ |
1504 |
void |
1505 |
rxvt_scr_relative_origin(pR_ int mode) |
1506 |
{ |
1507 |
if (mode) |
1508 |
R->screen.flags |= Screen_Relative; |
1509 |
else |
1510 |
R->screen.flags &= ~Screen_Relative; |
1511 |
rxvt_scr_gotorc(aR_ 0, 0, 0); |
1512 |
} |
1513 |
|
1514 |
/* ------------------------------------------------------------------------- */ |
1515 |
/* |
1516 |
* Set insert/replace mode |
1517 |
* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h |
1518 |
* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l |
1519 |
*/ |
1520 |
/* EXTPROTO */ |
1521 |
void |
1522 |
rxvt_scr_insert_mode(pR_ int mode) |
1523 |
{ |
1524 |
if (mode) |
1525 |
R->screen.flags |= Screen_Insert; |
1526 |
else |
1527 |
R->screen.flags &= ~Screen_Insert; |
1528 |
} |
1529 |
|
1530 |
/* ------------------------------------------------------------------------- */ |
1531 |
/* |
1532 |
* Set/Unset tabs |
1533 |
* XTERM_SEQ: Set tab at current column : ESC H |
1534 |
* XTERM_SEQ: Clear tab at current column: ESC [ 0 g |
1535 |
* XTERM_SEQ: Clear all tabs : ESC [ 3 g |
1536 |
*/ |
1537 |
/* EXTPROTO */ |
1538 |
void |
1539 |
rxvt_scr_set_tab(pR_ int mode) |
1540 |
{ |
1541 |
if (mode < 0) |
1542 |
MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); |
1543 |
else if (R->screen.cur.col < R->TermWin.ncol) |
1544 |
R->tabs[R->screen.cur.col] = (mode ? 1 : 0); |
1545 |
} |
1546 |
|
1547 |
/* ------------------------------------------------------------------------- */ |
1548 |
/* |
1549 |
* Set reverse/normal video |
1550 |
* XTERM_SEQ: Reverse video: ESC [ ? 5 h |
1551 |
* XTERM_SEQ: Normal video : ESC [ ? 5 l |
1552 |
*/ |
1553 |
/* EXTPROTO */ |
1554 |
void |
1555 |
rxvt_scr_rvideo_mode(pR_ int mode) |
1556 |
{ |
1557 |
XGCValues gcvalue; |
1558 |
|
1559 |
if (R->rvideo != mode) { |
1560 |
R->rvideo = mode; |
1561 |
SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color); |
1562 |
#if defined(XPM_BACKGROUND) |
1563 |
if (R->bgPixmap.pixmap == None) |
1564 |
#endif |
1565 |
#if defined(TRANSPARENT) |
1566 |
if (!(R->Options & Opt_transparent) || R->am_transparent == 0) |
1567 |
#endif |
1568 |
XSetWindowBackground(R->Xdisplay, R->TermWin.vt, |
1569 |
R->PixColors[Color_bg]); |
1570 |
|
1571 |
gcvalue.foreground = R->PixColors[Color_fg]; |
1572 |
gcvalue.background = R->PixColors[Color_bg]; |
1573 |
XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, |
1574 |
&gcvalue); |
1575 |
rxvt_scr_clear(aR); |
1576 |
rxvt_scr_touch(aR_ True); |
1577 |
} |
1578 |
} |
1579 |
|
1580 |
/* ------------------------------------------------------------------------- */ |
1581 |
/* |
1582 |
* Report current cursor position |
1583 |
* XTERM_SEQ: Report position: ESC [ 6 n |
1584 |
*/ |
1585 |
/* EXTPROTO */ |
1586 |
void |
1587 |
rxvt_scr_report_position(pR) |
1588 |
{ |
1589 |
R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); |
1590 |
} |
1591 |
|
1592 |
/* ------------------------------------------------------------------------- * |
1593 |
* FONTS * |
1594 |
* ------------------------------------------------------------------------- */ |
1595 |
|
1596 |
/* |
1597 |
* Set font style |
1598 |
*/ |
1599 |
/* INTPROTO */ |
1600 |
void |
1601 |
rxvt_set_font_style(pR) |
1602 |
{ |
1603 |
switch (R->charsets[R->screen.charset]) { |
1604 |
case '0': /* DEC Special Character & Line Drawing Set */ |
1605 |
break; |
1606 |
case 'A': /* United Kingdom (UK) */ |
1607 |
break; |
1608 |
case 'B': /* United States (USASCII) */ |
1609 |
break; |
1610 |
case '<': /* Multinational character set */ |
1611 |
break; |
1612 |
case '5': /* Finnish character set */ |
1613 |
break; |
1614 |
case 'C': /* Finnish character set */ |
1615 |
break; |
1616 |
case 'K': /* German character set */ |
1617 |
break; |
1618 |
} |
1619 |
} |
1620 |
|
1621 |
/* ------------------------------------------------------------------------- */ |
1622 |
/* |
1623 |
* Choose a font |
1624 |
* XTERM_SEQ: Invoke G0 character set: CTRL-O |
1625 |
* XTERM_SEQ: Invoke G1 character set: CTRL-N |
1626 |
* XTERM_SEQ: Invoke G2 character set: ESC N |
1627 |
* XTERM_SEQ: Invoke G3 character set: ESC O |
1628 |
*/ |
1629 |
/* EXTPROTO */ |
1630 |
void |
1631 |
rxvt_scr_charset_choose(pR_ int set) |
1632 |
{ |
1633 |
R->screen.charset = set; |
1634 |
rxvt_set_font_style(aR); |
1635 |
} |
1636 |
|
1637 |
/* ------------------------------------------------------------------------- */ |
1638 |
/* |
1639 |
* Set a font |
1640 |
* XTERM_SEQ: Set G0 character set: ESC ( <C> |
1641 |
* XTERM_SEQ: Set G1 character set: ESC ) <C> |
1642 |
* XTERM_SEQ: Set G2 character set: ESC * <C> |
1643 |
* XTERM_SEQ: Set G3 character set: ESC + <C> |
1644 |
* See set_font_style for possible values for <C> |
1645 |
*/ |
1646 |
/* EXTPROTO */ |
1647 |
void |
1648 |
rxvt_scr_charset_set(pR_ int set, unsigned int ch) |
1649 |
{ |
1650 |
R->charsets[set] = (unsigned char)ch; |
1651 |
rxvt_set_font_style(aR); |
1652 |
} |
1653 |
|
1654 |
|
1655 |
/* ------------------------------------------------------------------------- * |
1656 |
* GRAPHICS COLOURS * |
1657 |
* ------------------------------------------------------------------------- */ |
1658 |
|
1659 |
#ifdef RXVT_GRAPHICS |
1660 |
/* EXTPROTO */ |
1661 |
int |
1662 |
rxvt_scr_get_fgcolor(pR) |
1663 |
{ |
1664 |
return GET_FGCOLOR(R->rstyle); |
1665 |
} |
1666 |
|
1667 |
/* ------------------------------------------------------------------------- */ |
1668 |
/* EXTPROTO */ |
1669 |
int |
1670 |
rxvt_scr_get_bgcolor(pR) |
1671 |
{ |
1672 |
return GET_BGCOLOR(R->rstyle); |
1673 |
} |
1674 |
#endif |
1675 |
|
1676 |
/* ------------------------------------------------------------------------- * |
1677 |
* MAJOR SCREEN MANIPULATION * |
1678 |
* ------------------------------------------------------------------------- */ |
1679 |
|
1680 |
/* |
1681 |
* Refresh an area |
1682 |
*/ |
1683 |
enum { |
1684 |
PART_BEG = 0, |
1685 |
PART_END, |
1686 |
RC_COUNT |
1687 |
}; |
1688 |
|
1689 |
/* EXTPROTO */ |
1690 |
void |
1691 |
rxvt_scr_expose(pR_ int x, int y, int width, int height, Bool refresh) |
1692 |
{ |
1693 |
int i; |
1694 |
row_col_t rc[RC_COUNT]; |
1695 |
|
1696 |
if (R->drawn_text == NULL) /* sanity check */ |
1697 |
return; |
1698 |
|
1699 |
#ifdef DEBUG_STRICT |
1700 |
x = max(x, (int)R->TermWin.int_bwidth); |
1701 |
x = min(x, (int)R->TermWin.width); |
1702 |
y = max(y, (int)R->TermWin.int_bwidth); |
1703 |
y = min(y, (int)R->TermWin.height); |
1704 |
#endif |
1705 |
|
1706 |
/* round down */ |
1707 |
rc[PART_BEG].col = Pixel2Col(x); |
1708 |
rc[PART_BEG].row = Pixel2Row(y); |
1709 |
/* round up */ |
1710 |
rc[PART_END].col = Pixel2Width(x + width + R->TermWin.fwidth - 1); |
1711 |
rc[PART_END].row = Pixel2Row(y + height + R->TermWin.fheight - 1); |
1712 |
|
1713 |
/* sanity checks */ |
1714 |
for (i = PART_BEG; i < RC_COUNT; i++) { |
1715 |
MIN_IT(rc[i].col, R->TermWin.ncol - 1); |
1716 |
MIN_IT(rc[i].row, R->TermWin.nrow - 1); |
1717 |
} |
1718 |
|
1719 |
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)); |
1720 |
|
1721 |
for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) |
1722 |
fill_text (&(R->drawn_text[i][rc[PART_BEG].col]), 0, |
1723 |
(rc[PART_END].col - rc[PART_BEG].col + 1)); |
1724 |
|
1725 |
if (refresh) |
1726 |
rxvt_scr_refresh(aR_ SLOW_REFRESH | REFRESH_BOUNDS); |
1727 |
} |
1728 |
|
1729 |
/* ------------------------------------------------------------------------- */ |
1730 |
/* |
1731 |
* Refresh the entire screen |
1732 |
*/ |
1733 |
/* EXTPROTO */ |
1734 |
void |
1735 |
rxvt_scr_touch(pR_ Bool refresh) |
1736 |
{ |
1737 |
rxvt_scr_expose(aR_ 0, 0, R->TermWin.width, R->TermWin.height, refresh); |
1738 |
} |
1739 |
|
1740 |
/* ------------------------------------------------------------------------- */ |
1741 |
/* |
1742 |
* Move the display so that the line represented by scrollbar value Y is at |
1743 |
* the top of the screen |
1744 |
*/ |
1745 |
/* EXTPROTO */ |
1746 |
int |
1747 |
rxvt_scr_move_to(pR_ int y, int len) |
1748 |
{ |
1749 |
long p = 0; |
1750 |
uint16_t oldviewstart; |
1751 |
|
1752 |
oldviewstart = R->TermWin.view_start; |
1753 |
if (y < len) { |
1754 |
p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len; |
1755 |
p -= (long)(R->TermWin.nrow - 1); |
1756 |
p = max(p, 0); |
1757 |
} |
1758 |
R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled); |
1759 |
D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start)); |
1760 |
|
1761 |
return rxvt_scr_changeview(aR_ oldviewstart); |
1762 |
} |
1763 |
|
1764 |
/* ------------------------------------------------------------------------- */ |
1765 |
/* |
1766 |
* Page the screen up/down nlines |
1767 |
* direction should be UP or DN |
1768 |
*/ |
1769 |
/* EXTPROTO */ |
1770 |
int |
1771 |
rxvt_scr_page(pR_ enum page_dirn direction, int nlines) |
1772 |
{ |
1773 |
int n; |
1774 |
uint16_t oldviewstart; |
1775 |
|
1776 |
D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start)); |
1777 |
#ifdef DEBUG_STRICT |
1778 |
assert((nlines >= 0) && (nlines <= R->TermWin.nrow)); |
1779 |
#endif |
1780 |
oldviewstart = R->TermWin.view_start; |
1781 |
if (direction == UP) { |
1782 |
n = R->TermWin.view_start + nlines; |
1783 |
R->TermWin.view_start = min(n, R->TermWin.nscrolled); |
1784 |
} else { |
1785 |
n = R->TermWin.view_start - nlines; |
1786 |
R->TermWin.view_start = max(n, 0); |
1787 |
} |
1788 |
return rxvt_scr_changeview(aR_ oldviewstart); |
1789 |
} |
1790 |
|
1791 |
/* INTPROTO */ |
1792 |
int |
1793 |
rxvt_scr_changeview(pR_ uint16_t oldviewstart) |
1794 |
{ |
1795 |
if (R->TermWin.view_start != oldviewstart) { |
1796 |
R->want_refresh = 1; |
1797 |
#ifdef RXVT_GRAPHICS |
1798 |
if (rxvt_Gr_Displayed(aR)) |
1799 |
rxvt_Gr_scroll(aR_ 0); |
1800 |
#endif |
1801 |
R->num_scr -= (R->TermWin.view_start - oldviewstart); |
1802 |
} |
1803 |
return (int)(R->TermWin.view_start - oldviewstart); |
1804 |
} |
1805 |
|
1806 |
/* ------------------------------------------------------------------------- */ |
1807 |
/* EXTPROTO */ |
1808 |
void |
1809 |
rxvt_scr_bell(pR) |
1810 |
{ |
1811 |
#ifndef NO_BELL |
1812 |
# ifndef NO_MAPALERT |
1813 |
# ifdef MAPALERT_OPTION |
1814 |
if (R->Options & Opt_mapAlert) |
1815 |
# endif |
1816 |
XMapWindow(R->Xdisplay, R->TermWin.parent[0]); |
1817 |
# endif |
1818 |
if (R->Options & Opt_visualBell) { |
1819 |
rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ |
1820 |
rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ |
1821 |
} else |
1822 |
XBell(R->Xdisplay, 0); |
1823 |
#endif |
1824 |
} |
1825 |
|
1826 |
/* ------------------------------------------------------------------------- */ |
1827 |
/* ARGSUSED */ |
1828 |
/* EXTPROTO */ |
1829 |
void |
1830 |
rxvt_scr_printscreen(pR_ int fullhist) |
1831 |
{ |
1832 |
#ifdef PRINTPIPE |
1833 |
int i, r1, nrows, row_offset; |
1834 |
text_t *t; |
1835 |
FILE *fd; |
1836 |
|
1837 |
if ((fd = rxvt_popen_printer(aR)) == NULL) |
1838 |
return; |
1839 |
nrows = R->TermWin.nrow; |
1840 |
row_offset = R->TermWin.saveLines; |
1841 |
if (!fullhist) |
1842 |
row_offset -= R->TermWin.view_start; |
1843 |
else { |
1844 |
nrows += R->TermWin.nscrolled; |
1845 |
row_offset -= R->TermWin.nscrolled; |
1846 |
} |
1847 |
|
1848 |
for (r1 = 0; r1 < nrows; r1++) { |
1849 |
t = R->screen.text[r1 + row_offset]; |
1850 |
for (i = R->TermWin.ncol - 1; i >= 0; i--) |
1851 |
if (!isspace(t[i])) |
1852 |
break; |
1853 |
fprintf(fd, "%.*s\n", (i + 1), t); |
1854 |
} |
1855 |
rxvt_pclose_printer(fd); |
1856 |
#endif |
1857 |
} |
1858 |
|
1859 |
/* ------------------------------------------------------------------------- */ |
1860 |
/* |
1861 |
* Refresh the screen |
1862 |
* R->drawn_text/R->drawn_rend contain the screen information before the update. |
1863 |
* R->screen.text/R->screen.rend contain what the screen will change to. |
1864 |
*/ |
1865 |
|
1866 |
#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) |
1867 |
# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) |
1868 |
# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) |
1869 |
#else |
1870 |
# define MONO_BOLD(x) \ |
1871 |
(((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg)) |
1872 |
# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg) |
1873 |
#endif |
1874 |
|
1875 |
#define FONT_WIDTH(X, Y) \ |
1876 |
(X)->per_char[(Y) - (X)->min_char_or_byte2].width |
1877 |
#define FONT_RBEAR(X, Y) \ |
1878 |
(X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing |
1879 |
#define FONT_LBEAR(X, Y) \ |
1880 |
(X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing |
1881 |
#define IS_FONT_CHAR(X, Y) \ |
1882 |
((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2) |
1883 |
|
1884 |
/* EXTPROTO */ |
1885 |
void |
1886 |
rxvt_scr_refresh(pR_ unsigned char refresh_type) |
1887 |
{ |
1888 |
unsigned char clearfirst, /* first character writes before cell */ |
1889 |
clearlast, /* last character writes beyond cell */ |
1890 |
must_clear, /* use draw_string not draw_image_string */ |
1891 |
#ifndef NO_BOLDFONT |
1892 |
bfont, /* we've changed font to bold font */ |
1893 |
#endif |
1894 |
rvid, /* reverse video this position */ |
1895 |
wbyte, /* we're in multibyte */ |
1896 |
showcursor; /* show the cursor */ |
1897 |
int fore, back; /* desired foreground/background */ |
1898 |
int16_t col, row, /* column/row we're processing */ |
1899 |
ocrow; /* old cursor row */ |
1900 |
int cursorwidth; |
1901 |
int i, /* tmp */ |
1902 |
row_offset; /* basic offset in screen structure */ |
1903 |
#ifndef NO_CURSORCOLOR |
1904 |
rend_t cc1; /* store colours at cursor position(s) */ |
1905 |
rend_t cc2; /* store colours at cursor position(s) */ |
1906 |
#endif |
1907 |
rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ |
1908 |
text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */ |
1909 |
char *buffer; /* local copy of R->buffer */ |
1910 |
|
1911 |
if (refresh_type == NO_REFRESH || !R->TermWin.mapped) |
1912 |
return; |
1913 |
|
1914 |
/* |
1915 |
* A: set up vars |
1916 |
*/ |
1917 |
clearfirst = clearlast = must_clear = wbyte = 0; |
1918 |
#ifndef NO_BOLDFONT |
1919 |
bfont = 0; |
1920 |
#endif |
1921 |
|
1922 |
if (R->currmaxcol < R->TermWin.ncol) |
1923 |
{ |
1924 |
R->currmaxcol = R->TermWin.ncol; |
1925 |
R->buffer = (char *)rxvt_realloc (R->buffer, |
1926 |
sizeof(char) * (R->currmaxcol + 1) * MB_CUR_MAX); |
1927 |
} |
1928 |
|
1929 |
buffer = R->buffer; |
1930 |
R->refresh_count = 0; |
1931 |
|
1932 |
row_offset = R->TermWin.saveLines - R->TermWin.view_start; |
1933 |
|
1934 |
if ((refresh_type & REFRESH_BOUNDS)) |
1935 |
{ |
1936 |
clearfirst = clearlast = 1; |
1937 |
R->refresh_type &= ~REFRESH_BOUNDS; |
1938 |
} |
1939 |
|
1940 |
#if defined(XPM_BACKGROUND) |
1941 |
must_clear |= (R->bgPixmap.pixmap != None); |
1942 |
#endif |
1943 |
#if defined(TRANSPARENT) |
1944 |
must_clear |= ((R->Options & Opt_transparent) && R->am_transparent); |
1945 |
#endif |
1946 |
ocrow = R->oldcursor.row; /* is there an old outline cursor on screen? */ |
1947 |
|
1948 |
/* |
1949 |
* B: reverse any characters which are selected |
1950 |
*/ |
1951 |
rxvt_scr_reverse_selection(aR); |
1952 |
|
1953 |
/* |
1954 |
* C: set the cursor character(s) |
1955 |
*/ |
1956 |
{ |
1957 |
unsigned char setoldcursor; |
1958 |
rend_t ccol1, /* Cursor colour */ |
1959 |
ccol2; /* Cursor colour2 */ |
1960 |
|
1961 |
showcursor = (R->screen.flags & Screen_VisibleCursor); |
1962 |
cursorwidth = 0; |
1963 |
#ifdef CURSOR_BLINK |
1964 |
if (R->hidden_cursor) |
1965 |
showcursor = 0; |
1966 |
#endif |
1967 |
|
1968 |
cursorwidth = 0; |
1969 |
|
1970 |
if (showcursor) |
1971 |
{ |
1972 |
cursorwidth++; |
1973 |
|
1974 |
srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines] |
1975 |
[R->screen.cur.col]); |
1976 |
|
1977 |
if (showcursor && R->TermWin.focus) |
1978 |
{ |
1979 |
*srp ^= RS_RVid; |
1980 |
#ifndef NO_CURSORCOLOR |
1981 |
cc1 = *srp & (RS_fgMask | RS_bgMask); |
1982 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) |
1983 |
ccol1 = Color_cursor; |
1984 |
else |
1985 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
1986 |
ccol1 = GET_FGCOLOR(R->rstyle); |
1987 |
#else |
1988 |
ccol1 = Color_fg; |
1989 |
#endif |
1990 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor2)) |
1991 |
ccol2 = Color_cursor2; |
1992 |
else |
1993 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
1994 |
ccol2 = GET_BGCOLOR(R->rstyle); |
1995 |
#else |
1996 |
ccol2 = Color_bg; |
1997 |
#endif |
1998 |
*srp = SET_FGCOLOR(*srp, ccol1); |
1999 |
*srp = SET_BGCOLOR(*srp, ccol2); |
2000 |
#endif |
2001 |
} |
2002 |
|
2003 |
while (IS_WIDE (*srp)) |
2004 |
cursorwidth++, srp++; |
2005 |
} |
2006 |
|
2007 |
/* make sure no outline cursor is left around */ |
2008 |
setoldcursor = 0; |
2009 |
if (ocrow != -1) { |
2010 |
if (R->screen.cur.row + R->TermWin.view_start != ocrow |
2011 |
|| R->screen.cur.col != R->oldcursor.col) { |
2012 |
if (ocrow < R->TermWin.nrow |
2013 |
&& R->oldcursor.col < R->TermWin.ncol) { |
2014 |
R->drawn_rend[ocrow][R->oldcursor.col] ^= (RS_RVid | RS_Uline); |
2015 |
} |
2016 |
if (R->TermWin.focus || !showcursor) |
2017 |
R->oldcursor.row = -1; |
2018 |
else |
2019 |
setoldcursor = 1; |
2020 |
} |
2021 |
} else if (!R->TermWin.focus) |
2022 |
setoldcursor = 1; |
2023 |
if (setoldcursor) { |
2024 |
if (R->screen.cur.row + R->TermWin.view_start >= R->TermWin.nrow) |
2025 |
R->oldcursor.row = -1; |
2026 |
else { |
2027 |
R->oldcursor.row = R->screen.cur.row + R->TermWin.view_start; |
2028 |
R->oldcursor.col = R->screen.cur.col; |
2029 |
} |
2030 |
} |
2031 |
} |
2032 |
|
2033 |
#ifndef NO_SLOW_LINK_SUPPORT |
2034 |
/* |
2035 |
* D: CopyArea pass - very useful for slower links |
2036 |
* This has been deliberately kept simple. |
2037 |
*/ |
2038 |
i = R->num_scr; |
2039 |
if (refresh_type == FAST_REFRESH && R->num_scr_allow && i |
2040 |
&& abs(i) < R->TermWin.nrow && !must_clear) |
2041 |
{ |
2042 |
int16_t nits; |
2043 |
int j; |
2044 |
rend_t *drp2; |
2045 |
text_t *dtp2; |
2046 |
int len, wlen; |
2047 |
|
2048 |
j = R->TermWin.nrow; |
2049 |
wlen = len = -1; |
2050 |
row = i > 0 ? 0 : j - 1; |
2051 |
for (; j-- >= 0; row += (i > 0 ? 1 : -1)) |
2052 |
{ |
2053 |
if (row + i >= 0 && row + i < R->TermWin.nrow && row + i != ocrow) |
2054 |
{ |
2055 |
stp = R->screen.text[row + row_offset]; |
2056 |
srp = R->screen.rend[row + row_offset]; |
2057 |
dtp = R->drawn_text[row]; |
2058 |
dtp2 = R->drawn_text[row + i]; |
2059 |
drp = R->drawn_rend[row]; |
2060 |
drp2 = R->drawn_rend[row + i]; |
2061 |
|
2062 |
for (nits = 0, col = R->TermWin.ncol; col--; ) |
2063 |
if (stp[col] != dtp2[col] || srp[col] != drp2[col]) |
2064 |
nits--; |
2065 |
else if (stp[col] != dtp[col] || srp[col] != drp[col]) |
2066 |
nits++; |
2067 |
|
2068 |
if (nits > 8) /* XXX: arbitrary choice */ |
2069 |
{ |
2070 |
for (col = R->TermWin.ncol; col--; ) |
2071 |
{ |
2072 |
*dtp++ = *dtp2++; |
2073 |
*drp++ = *drp2++; |
2074 |
} |
2075 |
|
2076 |
if (len == -1) |
2077 |
len = row; |
2078 |
|
2079 |
wlen = row; |
2080 |
continue; |
2081 |
} |
2082 |
} |
2083 |
|
2084 |
if (len != -1) |
2085 |
{ |
2086 |
/* also comes here at end if needed because of >= above */ |
2087 |
if (wlen < len) |
2088 |
SWAP_IT(wlen, len, int); |
2089 |
D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); |
2090 |
XCopyArea(R->Xdisplay, R->TermWin.vt, R->TermWin.vt, |
2091 |
R->TermWin.gc, 0, Row2Pixel(len + i), |
2092 |
(unsigned int)TermWin_TotalWidth(), |
2093 |
(unsigned int)Height2Pixel(wlen - len + 1), |
2094 |
0, Row2Pixel(len)); |
2095 |
len = -1; |
2096 |
} |
2097 |
} |
2098 |
} |
2099 |
#endif |
2100 |
|
2101 |
/* |
2102 |
* E: main pass across every character |
2103 |
*/ |
2104 |
for (row = 0; row < R->TermWin.nrow; row++) |
2105 |
{ |
2106 |
stp = R->screen.text[row + row_offset]; |
2107 |
srp = R->screen.rend[row + row_offset]; |
2108 |
dtp = R->drawn_text[row]; |
2109 |
drp = R->drawn_rend[row]; |
2110 |
|
2111 |
/* |
2112 |
* E2: OK, now the real pass |
2113 |
*/ |
2114 |
int ypixel = (int)Row2Pixel(row); |
2115 |
|
2116 |
for (col = 0; col < R->TermWin.ncol; col++) |
2117 |
{ |
2118 |
/* compare new text with old - if exactly the same then continue */ |
2119 |
rend_t rend = srp[col]; /* screen rendition (target rendtion) */ |
2120 |
|
2121 |
if (stp[col] == dtp[col] /* Must match characters to skip. */ |
2122 |
&& (rend == drp[col] /* Either rendition the same or */ |
2123 |
|| (stp[col] == ' ' /* space w/ no background change */ |
2124 |
&& GET_BGATTR(rend) == GET_BGATTR(drp[col])))) |
2125 |
continue; |
2126 |
|
2127 |
text_t *text = stp + col; |
2128 |
int count = 1; |
2129 |
|
2130 |
/* redraw one or more characters */ |
2131 |
|
2132 |
dtp[col] = stp[col]; |
2133 |
drp[col] = rend; |
2134 |
|
2135 |
if (*text == NOCHAR) // never start redrawing at invisible characters. */ |
2136 |
continue; |
2137 |
|
2138 |
int xpixel = Col2Pixel(col); |
2139 |
|
2140 |
// this loop looks very messy, it can probably be optimized |
2141 |
// and cleaned a bit by you? |
2142 |
for (i = 0; ++col < R->TermWin.ncol; ) |
2143 |
{ |
2144 |
if (stp[col] == NOCHAR) |
2145 |
{ |
2146 |
dtp[col] = stp[col]; |
2147 |
drp[col] = rend; |
2148 |
count++; |
2149 |
|
2150 |
if (i) // only possible skip if char unchanged |
2151 |
i++; |
2152 |
|
2153 |
continue; |
2154 |
} |
2155 |
|
2156 |
if (((rend ^ srp[col]) & ~RS_wide) != 0) |
2157 |
break; |
2158 |
|
2159 |
count++; |
2160 |
|
2161 |
if (stp[col] != dtp[col] |
2162 |
|| srp[col] != drp[col]) |
2163 |
{ |
2164 |
if (must_clear && (i++ > (count / 2))) |
2165 |
break; |
2166 |
|
2167 |
dtp[col] = stp[col]; |
2168 |
drp[col] = rend; |
2169 |
i = 0; |
2170 |
} |
2171 |
else if (must_clear || (stp[col] != ' ' && ++i >= 32)) |
2172 |
break; |
2173 |
} |
2174 |
|
2175 |
col--; /* went one too far. move back */ |
2176 |
count -= i; /* dump any matching trailing chars */ |
2177 |
|
2178 |
/* |
2179 |
* Determine the attributes for the string |
2180 |
*/ |
2181 |
int fid = GET_FONT(rend); |
2182 |
fore = GET_FGCOLOR(rend); |
2183 |
back = GET_BGCOLOR(rend); |
2184 |
rend = GET_ATTR(rend); |
2185 |
|
2186 |
rvid = (rend & RS_RVid) ? 1 : 0; |
2187 |
#ifdef OPTION_HC |
2188 |
if (!rvid && (rend & RS_Blink)) |
2189 |
{ |
2190 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_HC)) |
2191 |
back = Color_HC; |
2192 |
else |
2193 |
rvid = !rvid; /* fall back */ |
2194 |
} |
2195 |
#endif |
2196 |
if (rvid) |
2197 |
{ |
2198 |
SWAP_IT(fore, back, int); |
2199 |
|
2200 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2201 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_RV) |
2202 |
# ifndef NO_CURSORCOLOR |
2203 |
&& !ISSET_PIXCOLOR(R, Color_cursor) |
2204 |
# endif |
2205 |
) |
2206 |
back = Color_RV; |
2207 |
#endif |
2208 |
} |
2209 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2210 |
else if (rend & RS_Bold) |
2211 |
{ |
2212 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_BD)) |
2213 |
{ |
2214 |
fore = Color_BD; |
2215 |
# ifndef VERYBOLD |
2216 |
rend &= ~RS_Bold; /* we've taken care of it */ |
2217 |
# endif |
2218 |
} |
2219 |
} |
2220 |
else if (rend & RS_Uline) |
2221 |
{ |
2222 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_UL)) |
2223 |
{ |
2224 |
fore = Color_UL; |
2225 |
rend &= ~RS_Uline; /* we've taken care of it */ |
2226 |
} |
2227 |
} |
2228 |
#endif |
2229 |
|
2230 |
/* |
2231 |
* Actually do the drawing of the string here |
2232 |
*/ |
2233 |
rxvt_font *font = (*R->TermWin.fontset)[fid]; |
2234 |
|
2235 |
if (back == Color_bg) |
2236 |
{ |
2237 |
if (must_clear) |
2238 |
{ |
2239 |
for (i = 0; i < count; i++) /* don't draw empty strings */ |
2240 |
if (text[i] != ' ') |
2241 |
{ |
2242 |
font->draw (xpixel, ypixel, text, count, fore, -1); |
2243 |
goto nodraw; |
2244 |
} |
2245 |
|
2246 |
CLEAR_CHARS(xpixel, ypixel, count); |
2247 |
nodraw: ; |
2248 |
} |
2249 |
else |
2250 |
font->draw (xpixel, ypixel, text, count, fore, Color_bg); |
2251 |
} |
2252 |
else |
2253 |
font->draw (xpixel, ypixel, text, count, fore, back); |
2254 |
|
2255 |
if ((rend & RS_Uline) && (font->descent > 1)) |
2256 |
XDrawLine(R->Xdisplay, drawBuffer, R->TermWin.gc, |
2257 |
xpixel, ypixel + font->ascent + 1, |
2258 |
xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1); |
2259 |
} /* for (col....) */ |
2260 |
} /* for (row....) */ |
2261 |
|
2262 |
/* |
2263 |
* G: cleanup cursor and display outline cursor if necessary |
2264 |
*/ |
2265 |
if (showcursor) { |
2266 |
if (R->TermWin.focus) { |
2267 |
srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines] |
2268 |
[R->screen.cur.col]); |
2269 |
*srp ^= RS_RVid; |
2270 |
#ifndef NO_CURSORCOLOR |
2271 |
*srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1; |
2272 |
#endif |
2273 |
} else if (R->oldcursor.row >= 0) { |
2274 |
#ifndef NO_CURSORCOLOR |
2275 |
unsigned long gcmask; /* Graphics Context mask */ |
2276 |
|
2277 |
if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) { |
2278 |
XSetForeground (R->Xdisplay, R->TermWin.gc, R->PixColors[Color_cursor]); |
2279 |
} |
2280 |
#endif |
2281 |
XDrawRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, |
2282 |
Col2Pixel(R->oldcursor.col), |
2283 |
Row2Pixel(R->oldcursor.row), |
2284 |
(unsigned int)(Width2Pixel(cursorwidth) - 1), |
2285 |
(unsigned int)(Height2Pixel(1) - R->TermWin.lineSpace - 1)); |
2286 |
} |
2287 |
} |
2288 |
/* |
2289 |
* H: cleanup selection |
2290 |
*/ |
2291 |
rxvt_scr_reverse_selection(aR); |
2292 |
|
2293 |
/* |
2294 |
* I: other general cleanup |
2295 |
*/ |
2296 |
if (clearfirst && R->TermWin.int_bwidth) |
2297 |
/* |
2298 |
* clear the whole screen height, note that width == 0 is treated |
2299 |
* specially by XClearArea |
2300 |
*/ |
2301 |
XClearArea(R->Xdisplay, R->TermWin.vt, 0, 0, |
2302 |
(unsigned int)R->TermWin.int_bwidth, |
2303 |
(unsigned int)TermWin_TotalHeight(), False); |
2304 |
if (clearlast && R->TermWin.int_bwidth) |
2305 |
/* |
2306 |
* clear the whole screen height, note that width == 0 is treated |
2307 |
* specially by XClearArea |
2308 |
*/ |
2309 |
XClearArea(R->Xdisplay, R->TermWin.vt, |
2310 |
R->TermWin.width + R->TermWin.int_bwidth, 0, |
2311 |
(unsigned int)R->TermWin.int_bwidth, |
2312 |
(unsigned int)TermWin_TotalHeight(), False); |
2313 |
if (refresh_type & SMOOTH_REFRESH) |
2314 |
XSync(R->Xdisplay, False); |
2315 |
|
2316 |
R->num_scr = 0; |
2317 |
R->num_scr_allow = 1; |
2318 |
R->want_refresh = 0; /* screen is current */ |
2319 |
} |
2320 |
/* ------------------------------------------------------------------------- */ |
2321 |
|
2322 |
/* EXTPROTO */ |
2323 |
void |
2324 |
rxvt_scr_clear(pR) |
2325 |
{ |
2326 |
if (!R->TermWin.mapped) |
2327 |
return; |
2328 |
R->num_scr_allow = 0; |
2329 |
R->want_refresh = 1; |
2330 |
#ifdef TRANSPARENT |
2331 |
if ((R->Options & Opt_transparent) && (R->am_pixmap_trans == 0)) { |
2332 |
int i; |
2333 |
|
2334 |
if (!(R->Options & Opt_transparent_all)) |
2335 |
i = 0; |
2336 |
else |
2337 |
i = (int)(sizeof(R->TermWin.parent) / sizeof(Window)); |
2338 |
for (; i--;) |
2339 |
if (R->TermWin.parent[i] != None) |
2340 |
XClearWindow(R->Xdisplay, R->TermWin.parent[i]); |
2341 |
} |
2342 |
#endif |
2343 |
XClearWindow(R->Xdisplay, R->TermWin.vt); |
2344 |
} |
2345 |
|
2346 |
/* ------------------------------------------------------------------------- */ |
2347 |
/* INTPROTO */ |
2348 |
void |
2349 |
rxvt_scr_reverse_selection(pR) |
2350 |
{ |
2351 |
int i, col, row, end_row; |
2352 |
rend_t *srp; |
2353 |
|
2354 |
if (R->selection.op && R->current_screen == R->selection.screen) { |
2355 |
end_row = R->TermWin.saveLines - R->TermWin.view_start; |
2356 |
i = R->selection.beg.row + R->TermWin.saveLines; |
2357 |
row = R->selection.end.row + R->TermWin.saveLines; |
2358 |
if (i >= end_row) |
2359 |
col = R->selection.beg.col; |
2360 |
else { |
2361 |
col = 0; |
2362 |
i = end_row; |
2363 |
} |
2364 |
end_row += R->TermWin.nrow; |
2365 |
for (; i < row && i < end_row; i++, col = 0) |
2366 |
for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++) |
2367 |
#ifndef OPTION_HC |
2368 |
srp[col] ^= RS_RVid; |
2369 |
#else |
2370 |
srp[col] ^= RS_Blink; |
2371 |
#endif |
2372 |
if (i == row && i < end_row) |
2373 |
for (srp = R->screen.rend[i]; col < R->selection.end.col; col++) |
2374 |
#ifndef OPTION_HC |
2375 |
srp[col] ^= RS_RVid; |
2376 |
#else |
2377 |
srp[col] ^= RS_Blink; |
2378 |
#endif |
2379 |
} |
2380 |
} |
2381 |
|
2382 |
/* ------------------------------------------------------------------------- */ |
2383 |
/* |
2384 |
* Dump the whole scrollback and screen to the passed filedescriptor. The |
2385 |
* invoking routine must close the fd. |
2386 |
*/ |
2387 |
#if 0 |
2388 |
/* EXTPROTO */ |
2389 |
void |
2390 |
rxvt_scr_dump(pR_ int fd) |
2391 |
{ |
2392 |
int row, wrote; |
2393 |
unsigned int width, towrite; |
2394 |
char r1[] = "\n"; |
2395 |
|
2396 |
for (row = R->TermWin.saveLines - R->TermWin.nscrolled; |
2397 |
row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) { |
2398 |
width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row] |
2399 |
: R->TermWin.ncol; |
2400 |
for (towrite = width; towrite; towrite -= wrote) { |
2401 |
wrote = write(fd, &(R->screen.text[row][width - towrite]), |
2402 |
towrite); |
2403 |
if (wrote < 0) |
2404 |
return; /* XXX: death, no report */ |
2405 |
} |
2406 |
if (R->screen.tlen[row] >= 0) |
2407 |
if (write(fd, r1, 1) <= 0) |
2408 |
return; /* XXX: death, no report */ |
2409 |
} |
2410 |
} |
2411 |
#endif |
2412 |
|
2413 |
/* ------------------------------------------------------------------------- * |
2414 |
* CHARACTER SELECTION * |
2415 |
* ------------------------------------------------------------------------- */ |
2416 |
|
2417 |
/* |
2418 |
* -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1 |
2419 |
*/ |
2420 |
/* EXTPROTO */ |
2421 |
void |
2422 |
rxvt_selection_check(pR_ int check_more) |
2423 |
{ |
2424 |
row_col_t pos; |
2425 |
|
2426 |
if (!R->selection.op) |
2427 |
return; |
2428 |
|
2429 |
pos.row = pos.col = 0; |
2430 |
if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) |
2431 |
|| (R->selection.beg.row >= R->TermWin.nrow) |
2432 |
|| (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled) |
2433 |
|| (R->selection.mark.row >= R->TermWin.nrow) |
2434 |
|| (R->selection.end.row < -(int32_t)R->TermWin.nscrolled) |
2435 |
|| (R->selection.end.row >= R->TermWin.nrow) |
2436 |
|| (check_more == 1 |
2437 |
&& R->current_screen == R->selection.screen |
2438 |
&& !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) |
2439 |
&& ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) |
2440 |
|| (check_more == 2 |
2441 |
&& ROWCOL_IS_BEFORE(R->selection.beg, pos) |
2442 |
&& ROWCOL_IS_AFTER(R->selection.end, pos)) |
2443 |
|| (check_more == 3 |
2444 |
&& ROWCOL_IS_AFTER(R->selection.end, pos)) |
2445 |
|| (check_more == 4 /* screen width change */ |
2446 |
&& (R->selection.beg.row != R->selection.end.row |
2447 |
|| R->selection.end.col > R->TermWin.ncol))) |
2448 |
CLEAR_SELECTION(R); |
2449 |
} |
2450 |
|
2451 |
/* ------------------------------------------------------------------------- */ |
2452 |
/* |
2453 |
* Paste a selection direct to the command fd |
2454 |
*/ |
2455 |
void |
2456 |
rxvt_term::paste (const unsigned char *data, unsigned int len) |
2457 |
{ |
2458 |
unsigned int i, j, n; |
2459 |
unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE); |
2460 |
|
2461 |
/* convert normal newline chars into common keyboard Return key sequence */ |
2462 |
for (i = 0; i < len; i += PROP_SIZE) |
2463 |
{ |
2464 |
n = min (len - i, PROP_SIZE); |
2465 |
MEMCPY (ds, data + i, n); |
2466 |
|
2467 |
for (j = 0; j < n; j++) |
2468 |
if (ds[j] == '\n') |
2469 |
ds[j] = '\r'; |
2470 |
|
2471 |
tt_write (ds, (int)n); |
2472 |
} |
2473 |
|
2474 |
free(ds); |
2475 |
} |
2476 |
|
2477 |
/* ------------------------------------------------------------------------- */ |
2478 |
/* |
2479 |
* Respond to a notification that a primary selection has been sent |
2480 |
* EXT: SelectionNotify |
2481 |
*/ |
2482 |
/* EXTPROTO */ |
2483 |
int |
2484 |
rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop) |
2485 |
{ |
2486 |
long nread = 0; |
2487 |
unsigned long bytes_after; |
2488 |
XTextProperty ct; |
2489 |
int dummy_count; |
2490 |
char **cl; |
2491 |
|
2492 |
D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait)); |
2493 |
|
2494 |
if (prop == None) /* check for failed XConvertSelection */ |
2495 |
{ |
2496 |
if ((R->selection_type & Sel_CompoundText)) |
2497 |
{ |
2498 |
int selnum = R->selection_type & Sel_whereMask; |
2499 |
|
2500 |
R->selection_type = 0; |
2501 |
if (selnum != Sel_direct) |
2502 |
rxvt_selection_request_other(aR_ XA_STRING, selnum); |
2503 |
} |
2504 |
|
2505 |
return 0; |
2506 |
} |
2507 |
|
2508 |
for (;;) |
2509 |
{ |
2510 |
if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4), |
2511 |
(long)(PROP_SIZE / 4), delete_prop, |
2512 |
AnyPropertyType, &ct.encoding, &ct.format, |
2513 |
&ct.nitems, &bytes_after, |
2514 |
&ct.value) != Success) |
2515 |
break; |
2516 |
|
2517 |
if (ct.encoding == 0) |
2518 |
{ |
2519 |
D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!")); |
2520 |
break; |
2521 |
} |
2522 |
|
2523 |
if (ct.value == NULL) |
2524 |
{ |
2525 |
D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!")); |
2526 |
continue; |
2527 |
} |
2528 |
|
2529 |
if (ct.nitems == 0) |
2530 |
{ |
2531 |
D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end")); |
2532 |
if (R->selection_wait == Sel_normal && nread == 0) |
2533 |
{ |
2534 |
/* |
2535 |
* pass through again trying CUT_BUFFER0 if we've come from |
2536 |
* XConvertSelection() but nothing was presented |
2537 |
*/ |
2538 |
D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); |
2539 |
rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False); |
2540 |
} |
2541 |
|
2542 |
nread = -1; /* discount any previous stuff */ |
2543 |
break; |
2544 |
} |
2545 |
|
2546 |
nread += ct.nitems; |
2547 |
if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl, |
2548 |
&dummy_count) == Success && cl) |
2549 |
{ |
2550 |
R->paste ((unsigned char *)cl[0], STRLEN (cl[0])); |
2551 |
XFreeStringList (cl); |
2552 |
} |
2553 |
else |
2554 |
R->paste (ct.value, ct.nitems); |
2555 |
|
2556 |
if (bytes_after == 0) |
2557 |
break; |
2558 |
|
2559 |
XFree (ct.value); |
2560 |
} |
2561 |
|
2562 |
if (ct.value) |
2563 |
XFree (ct.value); |
2564 |
|
2565 |
if (R->selection_wait == Sel_normal) |
2566 |
R->selection_wait = Sel_none; |
2567 |
|
2568 |
D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread)); |
2569 |
return (int)nread; |
2570 |
} |
2571 |
|
2572 |
void |
2573 |
rxvt_term::incr_cb (time_watcher &w) |
2574 |
{ |
2575 |
w.stop (); |
2576 |
selection_wait = Sel_none; |
2577 |
|
2578 |
rxvt_print_error("data loss: timeout on INCR selection paste"); |
2579 |
} |
2580 |
|
2581 |
/* |
2582 |
* INCR support originally provided by Paul Sheer <psheer@obsidian.co.za> |
2583 |
*/ |
2584 |
/* EXTPROTO */ |
2585 |
void |
2586 |
rxvt_selection_property(pR_ Window win, Atom prop) |
2587 |
{ |
2588 |
int reget_time = 0; |
2589 |
|
2590 |
if (prop == None) |
2591 |
return; |
2592 |
D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop)); |
2593 |
if (R->selection_wait == Sel_normal) { |
2594 |
int a, afmt; |
2595 |
Atom atype; |
2596 |
unsigned long bytes_after, nitems; |
2597 |
unsigned char *s = NULL; |
2598 |
|
2599 |
a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False, |
2600 |
R->xa[XA_INCR], &atype, &afmt, &nitems, |
2601 |
&bytes_after, &s); |
2602 |
if (s) |
2603 |
XFree(s); |
2604 |
if (a != Success) |
2605 |
return; |
2606 |
#ifndef __CYGWIN32__ |
2607 |
if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */ |
2608 |
D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer")); |
2609 |
XDeleteProperty(R->Xdisplay, win, prop); |
2610 |
XFlush(R->Xdisplay); |
2611 |
reget_time = 1; |
2612 |
R->selection_wait = Sel_incr; |
2613 |
} |
2614 |
#endif |
2615 |
} else if (R->selection_wait == Sel_incr) { |
2616 |
reget_time = 1; |
2617 |
if (rxvt_selection_paste(aR_ win, prop, True) == -1) { |
2618 |
D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); |
2619 |
R->selection_wait = Sel_none; |
2620 |
R->incr_ev.stop (); |
2621 |
} |
2622 |
} |
2623 |
if (reget_time) /* received more data so reget time */ |
2624 |
R->incr_ev.start (NOW + 10); |
2625 |
} |
2626 |
/* ------------------------------------------------------------------------- */ |
2627 |
/* |
2628 |
* Request the current selection: |
2629 |
* Order: > internal selection if available |
2630 |
* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) |
2631 |
* > CUT_BUFFER0 |
2632 |
* (+) if ownership is claimed but property is empty, rxvt_selection_paste() |
2633 |
* will auto fallback to CUT_BUFFER0 |
2634 |
* EXT: button 2 release |
2635 |
*/ |
2636 |
/* EXTPROTO */ |
2637 |
void |
2638 |
rxvt_selection_request(pR_ Time tm, int x, int y) |
2639 |
{ |
2640 |
D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); |
2641 |
if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height) |
2642 |
return; /* outside window */ |
2643 |
|
2644 |
if (R->selection.text != NULL) { /* internal selection */ |
2645 |
D_SELECT((stderr, "rxvt_selection_request: pasting internal")); |
2646 |
R->paste (R->selection.text, R->selection.len); |
2647 |
return; |
2648 |
} else { |
2649 |
int i; |
2650 |
|
2651 |
R->selection_request_time = tm; |
2652 |
R->selection_wait = Sel_normal; |
2653 |
for (i = Sel_Primary; i <= Sel_Clipboard; i++) { |
2654 |
R->selection_type = Sel_CompoundText; |
2655 |
if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i)) |
2656 |
return; |
2657 |
} |
2658 |
} |
2659 |
R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ |
2660 |
D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); |
2661 |
rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False); |
2662 |
} |
2663 |
|
2664 |
/* INTPROTO */ |
2665 |
int |
2666 |
rxvt_selection_request_other(pR_ Atom target, int selnum) |
2667 |
{ |
2668 |
Atom sel; |
2669 |
#ifdef DEBUG_SELECT |
2670 |
char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" }; |
2671 |
#endif |
2672 |
|
2673 |
R->selection_type |= selnum; |
2674 |
if (selnum == Sel_Primary) |
2675 |
sel = XA_PRIMARY; |
2676 |
else if (selnum == Sel_Secondary) |
2677 |
sel = XA_SECONDARY; |
2678 |
else |
2679 |
sel = R->xa[XA_CLIPBOARD]; |
2680 |
if (XGetSelectionOwner(R->Xdisplay, sel) != None) { |
2681 |
D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum])); |
2682 |
XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION], |
2683 |
R->TermWin.vt, R->selection_request_time); |
2684 |
return 1; |
2685 |
} |
2686 |
return 0; |
2687 |
} |
2688 |
|
2689 |
/* ------------------------------------------------------------------------- */ |
2690 |
/* |
2691 |
* Clear all selected text |
2692 |
* EXT: SelectionClear |
2693 |
*/ |
2694 |
/* EXTPROTO */ |
2695 |
void |
2696 |
rxvt_selection_clear(pR) |
2697 |
{ |
2698 |
D_SELECT((stderr, "rxvt_selection_clear()")); |
2699 |
|
2700 |
R->want_refresh = 1; |
2701 |
if (R->selection.text) |
2702 |
free(R->selection.text); |
2703 |
R->selection.text = NULL; |
2704 |
R->selection.len = 0; |
2705 |
CLEAR_SELECTION(R); |
2706 |
} |
2707 |
|
2708 |
/* ------------------------------------------------------------------------- */ |
2709 |
/* |
2710 |
* Copy a selection into the cut buffer |
2711 |
* EXT: button 1 or 3 release |
2712 |
*/ |
2713 |
/* EXTPROTO */ |
2714 |
void |
2715 |
rxvt_selection_make(pR_ Time tm) |
2716 |
{ |
2717 |
int i, col, end_col, row, end_row; |
2718 |
unsigned char *new_selection_text; |
2719 |
char *str; |
2720 |
text_t *t; |
2721 |
#ifdef ACS_ASCII |
2722 |
rend_t *re; |
2723 |
#endif |
2724 |
|
2725 |
D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks)); |
2726 |
switch (R->selection.op) { |
2727 |
case SELECTION_CONT: |
2728 |
break; |
2729 |
case SELECTION_INIT: |
2730 |
CLEAR_SELECTION(R); |
2731 |
/* FALLTHROUGH */ |
2732 |
case SELECTION_BEGIN: |
2733 |
R->selection.op = SELECTION_DONE; |
2734 |
/* FALLTHROUGH */ |
2735 |
default: |
2736 |
return; |
2737 |
} |
2738 |
R->selection.op = SELECTION_DONE; |
2739 |
|
2740 |
if (R->selection.clicks == 4) |
2741 |
return; /* nothing selected, go away */ |
2742 |
|
2743 |
i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; |
2744 |
str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); |
2745 |
|
2746 |
new_selection_text = (unsigned char *)str; |
2747 |
|
2748 |
col = R->selection.beg.col; |
2749 |
MAX_IT(col, 0); |
2750 |
row = R->selection.beg.row + R->TermWin.saveLines; |
2751 |
end_row = R->selection.end.row + R->TermWin.saveLines; |
2752 |
|
2753 |
for (; row <= end_row; row++, col = 0) |
2754 |
{ |
2755 |
t = &(R->screen.text[row][col]); |
2756 |
|
2757 |
end_col = R->screen.tlen[row]; |
2758 |
|
2759 |
if (end_col == -1) |
2760 |
end_col = R->TermWin.ncol; |
2761 |
|
2762 |
if (row == end_row) |
2763 |
MIN_IT (end_col, R->selection.end.col); |
2764 |
|
2765 |
for (; col < end_col; col++) |
2766 |
if (*t == NOCHAR) |
2767 |
t++; |
2768 |
else |
2769 |
{ |
2770 |
int len = wctomb (str, *t++); |
2771 |
if (len > 0) |
2772 |
str += len; |
2773 |
} |
2774 |
|
2775 |
if (R->screen.tlen[row] != -1 && row != end_row) |
2776 |
*str++ = '\n'; |
2777 |
} |
2778 |
|
2779 |
#ifndef NO_OLD_SELECTION |
2780 |
if (R->selection_style == OLD_SELECT) |
2781 |
if (end_col == R->TermWin.ncol) |
2782 |
*str++ = '\n'; |
2783 |
#endif |
2784 |
#ifndef NO_NEW_SELECTION |
2785 |
if (R->selection_style != OLD_SELECT) |
2786 |
if (end_col != R->selection.end.col) |
2787 |
*str++ = '\n'; |
2788 |
#endif |
2789 |
*str = '\0'; |
2790 |
|
2791 |
i = str - (char *)new_selection_text; |
2792 |
if (i == 0) |
2793 |
{ |
2794 |
free (new_selection_text); |
2795 |
return; |
2796 |
} |
2797 |
|
2798 |
// due to MB_MAX_CUR, selection wastage is usually high |
2799 |
if (str - (char *)new_selection_text > 1024) |
2800 |
new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1); |
2801 |
|
2802 |
R->selection.len = i; |
2803 |
if (R->selection.text) |
2804 |
free (R->selection.text); |
2805 |
|
2806 |
R->selection.text = new_selection_text; |
2807 |
|
2808 |
XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); |
2809 |
if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) |
2810 |
rxvt_print_error("can't get primary selection"); |
2811 |
XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, |
2812 |
PropModeReplace, R->selection.text, (int)R->selection.len); |
2813 |
R->selection_time = tm; |
2814 |
D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); |
2815 |
} |
2816 |
|
2817 |
/* ------------------------------------------------------------------------- */ |
2818 |
/* |
2819 |
* Mark or select text based upon number of clicks: 1, 2, or 3 |
2820 |
* EXT: button 1 press |
2821 |
*/ |
2822 |
/* EXTPROTO */ |
2823 |
void |
2824 |
rxvt_selection_click(pR_ int clicks, int x, int y) |
2825 |
{ |
2826 |
D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y)); |
2827 |
|
2828 |
clicks = ((clicks - 1) % 3) + 1; |
2829 |
R->selection.clicks = clicks; /* save clicks so extend will work */ |
2830 |
|
2831 |
rxvt_selection_start_colrow(aR_ Pixel2Col(x), Pixel2Row(y)); |
2832 |
if (clicks == 2 || clicks == 3) |
2833 |
rxvt_selection_extend_colrow(aR_ R->selection.mark.col, |
2834 |
R->selection.mark.row |
2835 |
+ R->TermWin.view_start, |
2836 |
0, /* button 3 */ |
2837 |
1, /* button press */ |
2838 |
0); /* click change */ |
2839 |
} |
2840 |
|
2841 |
/* ------------------------------------------------------------------------- */ |
2842 |
/* |
2843 |
* Mark a selection at the specified col/row |
2844 |
*/ |
2845 |
/* INTPROTO */ |
2846 |
void |
2847 |
rxvt_selection_start_colrow(pR_ int col, int row) |
2848 |
{ |
2849 |
R->want_refresh = 1; |
2850 |
R->selection.mark.col = col; |
2851 |
R->selection.mark.row = row - R->TermWin.view_start; |
2852 |
MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); |
2853 |
MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); |
2854 |
MAX_IT(R->selection.mark.col, 0); |
2855 |
MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1); |
2856 |
|
2857 |
if (R->selection.op) { /* clear the old selection */ |
2858 |
R->selection.beg.row = R->selection.end.row = R->selection.mark.row; |
2859 |
R->selection.beg.col = R->selection.end.col = R->selection.mark.col; |
2860 |
} |
2861 |
R->selection.op = SELECTION_INIT; |
2862 |
R->selection.screen = R->current_screen; |
2863 |
} |
2864 |
|
2865 |
/* ------------------------------------------------------------------------- */ |
2866 |
/* |
2867 |
* Word select: select text for 2 clicks |
2868 |
* We now only find out the boundary in one direction |
2869 |
*/ |
2870 |
|
2871 |
/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ |
2872 |
#define DELIMIT_TEXT(x) \ |
2873 |
(((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) |
2874 |
#define DELIMIT_REND(x) 1 |
2875 |
|
2876 |
/* INTPROTO */ |
2877 |
void |
2878 |
rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) |
2879 |
{ |
2880 |
int col, row, dirnadd, tcol, trow, w1, w2; |
2881 |
row_col_t bound; |
2882 |
text_t *stp; |
2883 |
rend_t *srp; |
2884 |
|
2885 |
if (dirn == UP) { |
2886 |
bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; |
2887 |
bound.col = 0; |
2888 |
dirnadd = -1; |
2889 |
} else { |
2890 |
bound.row = R->TermWin.saveLines + R->TermWin.nrow; |
2891 |
bound.col = R->TermWin.ncol - 1; |
2892 |
dirnadd = 1; |
2893 |
} |
2894 |
row = mark->row + R->TermWin.saveLines; |
2895 |
col = mark->col; |
2896 |
MAX_IT(col, 0); |
2897 |
/* find the edge of a word */ |
2898 |
stp = &(R->screen.text[row][col]); |
2899 |
w1 = DELIMIT_TEXT(*stp); |
2900 |
|
2901 |
if (R->selection_style != NEW_SELECT) { |
2902 |
if (w1 == 1) { |
2903 |
stp += dirnadd; |
2904 |
if (DELIMIT_TEXT(*stp) == 1) |
2905 |
goto Old_Word_Selection_You_Die; |
2906 |
col += dirnadd; |
2907 |
} |
2908 |
w1 = 0; |
2909 |
} |
2910 |
srp = (&R->screen.rend[row][col]); |
2911 |
w2 = DELIMIT_REND(*srp); |
2912 |
|
2913 |
for (;;) { |
2914 |
for (; col != bound.col; col += dirnadd) { |
2915 |
stp += dirnadd; |
2916 |
if (DELIMIT_TEXT(*stp) != w1) |
2917 |
break; |
2918 |
srp += dirnadd; |
2919 |
if (DELIMIT_REND(*srp) != w2) |
2920 |
break; |
2921 |
} |
2922 |
if ((col == bound.col) && (row != bound.row)) { |
2923 |
if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) { |
2924 |
trow = row + dirnadd; |
2925 |
tcol = dirn == UP ? R->TermWin.ncol - 1 : 0; |
2926 |
if (R->screen.text[trow] == NULL) |
2927 |
break; |
2928 |
stp = &(R->screen.text[trow][tcol]); |
2929 |
srp = &(R->screen.rend[trow][tcol]); |
2930 |
if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2) |
2931 |
break; |
2932 |
row = trow; |
2933 |
col = tcol; |
2934 |
continue; |
2935 |
} |
2936 |
} |
2937 |
break; |
2938 |
} |
2939 |
Old_Word_Selection_You_Die: |
2940 |
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 - R->TermWin.saveLines, col)); |
2941 |
|
2942 |
if (dirn == DN) |
2943 |
col++; /* put us on one past the end */ |
2944 |
|
2945 |
/* Poke the values back in */ |
2946 |
ret->row = row - R->TermWin.saveLines; |
2947 |
ret->col = col; |
2948 |
} |
2949 |
|
2950 |
/* ------------------------------------------------------------------------- */ |
2951 |
/* |
2952 |
* Extend the selection to the specified x/y pixel location |
2953 |
* EXT: button 3 press; button 1 or 3 drag |
2954 |
* flag == 0 ==> button 1 |
2955 |
* flag == 1 ==> button 3 press |
2956 |
* flag == 2 ==> button 3 motion |
2957 |
*/ |
2958 |
/* EXTPROTO */ |
2959 |
void |
2960 |
rxvt_selection_extend(pR_ int x, int y, int flag) |
2961 |
{ |
2962 |
int col, row; |
2963 |
|
2964 |
col = Pixel2Col(x); |
2965 |
row = Pixel2Row(y); |
2966 |
MAX_IT(row, 0); |
2967 |
MIN_IT(row, (int)R->TermWin.nrow - 1); |
2968 |
MAX_IT(col, 0); |
2969 |
MIN_IT(col, (int)R->TermWin.ncol); |
2970 |
#ifndef NO_NEW_SELECTION |
2971 |
/* |
2972 |
* If we're selecting characters (single click) then we must check first |
2973 |
* if we are at the same place as the original mark. If we are then |
2974 |
* select nothing. Otherwise, if we're to the right of the mark, you have to |
2975 |
* be _past_ a character for it to be selected. |
2976 |
*/ |
2977 |
if (R->selection_style != OLD_SELECT) { |
2978 |
if (((R->selection.clicks % 3) == 1) && !flag |
2979 |
&& (col == R->selection.mark.col |
2980 |
&& (row == R->selection.mark.row + R->TermWin.view_start))) { |
2981 |
/* select nothing */ |
2982 |
R->selection.beg.row = R->selection.end.row = 0; |
2983 |
R->selection.beg.col = R->selection.end.col = 0; |
2984 |
R->selection.clicks = 4; |
2985 |
R->want_refresh = 1; |
2986 |
D_SELECT((stderr, "rxvt_selection_extend() R->selection.clicks = 4")); |
2987 |
return; |
2988 |
} |
2989 |
} |
2990 |
#endif |
2991 |
if (R->selection.clicks == 4) |
2992 |
R->selection.clicks = 1; |
2993 |
rxvt_selection_extend_colrow(aR_ col, row, !!flag, /* ? button 3 */ |
2994 |
flag == 1 ? 1 : 0, /* ? button press */ |
2995 |
0); /* no click change */ |
2996 |
} |
2997 |
|
2998 |
/* ------------------------------------------------------------------------- */ |
2999 |
/* |
3000 |
* Extend the selection to the specified col/row |
3001 |
*/ |
3002 |
/* INTPROTO */ |
3003 |
void |
3004 |
rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) |
3005 |
{ |
3006 |
int16_t ncol = R->TermWin.ncol; |
3007 |
int end_col; |
3008 |
row_col_t pos; |
3009 |
enum { |
3010 |
LEFT, RIGHT |
3011 |
} closeto = RIGHT; |
3012 |
|
3013 |
D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, R->selection.clicks, R->selection.op)); |
3014 |
D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); |
3015 |
|
3016 |
R->want_refresh = 1; |
3017 |
switch (R->selection.op) { |
3018 |
case SELECTION_INIT: |
3019 |
CLEAR_SELECTION(R); |
3020 |
R->selection.op = SELECTION_BEGIN; |
3021 |
/* FALLTHROUGH */ |
3022 |
case SELECTION_BEGIN: |
3023 |
if (row != R->selection.mark.row || col != R->selection.mark.col |
3024 |
|| (!button3 && buttonpress)) |
3025 |
R->selection.op = SELECTION_CONT; |
3026 |
break; |
3027 |
case SELECTION_DONE: |
3028 |
R->selection.op = SELECTION_CONT; |
3029 |
/* FALLTHROUGH */ |
3030 |
case SELECTION_CONT: |
3031 |
break; |
3032 |
case SELECTION_CLEAR: |
3033 |
rxvt_selection_start_colrow(aR_ col, row); |
3034 |
/* FALLTHROUGH */ |
3035 |
default: |
3036 |
return; |
3037 |
} |
3038 |
if (R->selection.beg.col == R->selection.end.col |
3039 |
&& R->selection.beg.col != R->selection.mark.col |
3040 |
&& R->selection.beg.row == R->selection.end.row |
3041 |
&& R->selection.beg.row != R->selection.mark.row) { |
3042 |
R->selection.beg.col = R->selection.end.col = R->selection.mark.col; |
3043 |
R->selection.beg.row = R->selection.end.row = R->selection.mark.row; |
3044 |
D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); |
3045 |
} |
3046 |
|
3047 |
pos.col = col; |
3048 |
pos.row = row; |
3049 |
|
3050 |
pos.row -= R->TermWin.view_start; /* adjust for scroll */ |
3051 |
|
3052 |
#ifndef NO_OLD_SELECTION |
3053 |
/* |
3054 |
* This mimics some of the selection behaviour of version 2.20 and before. |
3055 |
* There are no ``selection modes'', button3 is always character extension. |
3056 |
* Note: button3 drag is always available, c.f. v2.20 |
3057 |
* Selection always terminates (left or right as appropriate) at the mark. |
3058 |
*/ |
3059 |
if (R->selection_style == OLD_SELECT) { |
3060 |
if (R->selection.clicks == 1 || button3) { |
3061 |
if (R->hate_those_clicks) { |
3062 |
R->hate_those_clicks = 0; |
3063 |
if (R->selection.clicks == 1) { |
3064 |
R->selection.beg.row = R->selection.mark.row; |
3065 |
R->selection.beg.col = R->selection.mark.col; |
3066 |
} else { |
3067 |
R->selection.mark.row = R->selection.beg.row; |
3068 |
R->selection.mark.col = R->selection.beg.col; |
3069 |
} |
3070 |
} |
3071 |
if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) { |
3072 |
R->selection.end.row = R->selection.mark.row; |
3073 |
R->selection.end.col = R->selection.mark.col + 1; |
3074 |
R->selection.beg.row = pos.row; |
3075 |
R->selection.beg.col = pos.col; |
3076 |
} else { |
3077 |
R->selection.beg.row = R->selection.mark.row; |
3078 |
R->selection.beg.col = R->selection.mark.col; |
3079 |
R->selection.end.row = pos.row; |
3080 |
R->selection.end.col = pos.col + 1; |
3081 |
} |
3082 |
} else if (R->selection.clicks == 2) { |
3083 |
rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), |
3084 |
&(R->selection.beg)); |
3085 |
rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), |
3086 |
&(R->selection.end)); |
3087 |
R->hate_those_clicks = 1; |
3088 |
} else if (R->selection.clicks == 3) { |
3089 |
R->selection.beg.row = R->selection.end.row = R->selection.mark.row; |
3090 |
R->selection.beg.col = 0; |
3091 |
R->selection.end.col = ncol; |
3092 |
R->hate_those_clicks = 1; |
3093 |
} |
3094 |
D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); |
3095 |
return; |
3096 |
} |
3097 |
#endif /* ! NO_OLD_SELECTION */ |
3098 |
#ifndef NO_NEW_SELECTION |
3099 |
/* selection_style must not be OLD_SELECT to get here */ |
3100 |
/* |
3101 |
* This is mainly xterm style selection with a couple of differences, mainly |
3102 |
* in the way button3 drag extension works. |
3103 |
* We're either doing: button1 drag; button3 press; or button3 drag |
3104 |
* a) button1 drag : select around a midpoint/word/line - that point/word/line |
3105 |
* is always at the left/right edge of the R->selection. |
3106 |
* b) button3 press: extend/contract character/word/line at whichever edge of |
3107 |
* the selection we are closest to. |
3108 |
* c) button3 drag : extend/contract character/word/line - we select around |
3109 |
* a point/word/line which is either the start or end of the selection |
3110 |
* and it was decided by whichever point/word/line was `fixed' at the |
3111 |
* time of the most recent button3 press |
3112 |
*/ |
3113 |
if (button3 && buttonpress) { /* button3 press */ |
3114 |
/* |
3115 |
* first determine which edge of the selection we are closest to |
3116 |
*/ |
3117 |
if (ROWCOL_IS_BEFORE(pos, R->selection.beg) |
3118 |
|| (!ROWCOL_IS_AFTER(pos, R->selection.end) |
3119 |
&& (((pos.col - R->selection.beg.col) |
3120 |
+ ((pos.row - R->selection.beg.row) * ncol)) |
3121 |
< ((R->selection.end.col - pos.col) |
3122 |
+ ((R->selection.end.row - pos.row) * ncol))))) |
3123 |
closeto = LEFT; |
3124 |
if (closeto == LEFT) { |
3125 |
R->selection.beg.row = pos.row; |
3126 |
R->selection.beg.col = pos.col; |
3127 |
R->selection.mark.row = R->selection.end.row; |
3128 |
R->selection.mark.col = R->selection.end.col |
3129 |
- (R->selection.clicks == 2); |
3130 |
} else { |
3131 |
R->selection.end.row = pos.row; |
3132 |
R->selection.end.col = pos.col; |
3133 |
R->selection.mark.row = R->selection.beg.row; |
3134 |
R->selection.mark.col = R->selection.beg.col; |
3135 |
} |
3136 |
} else { /* button1 drag or button3 drag */ |
3137 |
if (ROWCOL_IS_AFTER(R->selection.mark, pos)) { |
3138 |
if ((R->selection.mark.row == R->selection.end.row) |
3139 |
&& (R->selection.mark.col == R->selection.end.col) |
3140 |
&& clickchange && R->selection.clicks == 2) |
3141 |
R->selection.mark.col--; |
3142 |
R->selection.beg.row = pos.row; |
3143 |
R->selection.beg.col = pos.col; |
3144 |
R->selection.end.row = R->selection.mark.row; |
3145 |
R->selection.end.col = R->selection.mark.col |
3146 |
+ (R->selection.clicks == 2); |
3147 |
} else { |
3148 |
R->selection.beg.row = R->selection.mark.row; |
3149 |
R->selection.beg.col = R->selection.mark.col; |
3150 |
R->selection.end.row = pos.row; |
3151 |
R->selection.end.col = pos.col; |
3152 |
} |
3153 |
} |
3154 |
|
3155 |
if (R->selection.clicks == 1) { |
3156 |
end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines]; |
3157 |
if (end_col != -1 && R->selection.beg.col > end_col) { |
3158 |
#if 1 |
3159 |
R->selection.beg.col = ncol; |
3160 |
#else |
3161 |
if (R->selection.beg.row != R->selection.end.row) |
3162 |
R->selection.beg.col = ncol; |
3163 |
else |
3164 |
R->selection.beg.col = R->selection.mark.col; |
3165 |
#endif |
3166 |
} |
3167 |
end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines]; |
3168 |
if (end_col != -1 && R->selection.end.col > end_col) |
3169 |
R->selection.end.col = ncol; |
3170 |
|
3171 |
} else if (R->selection.clicks == 2) { |
3172 |
if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg)) |
3173 |
R->selection.end.col--; |
3174 |
rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg), |
3175 |
&(R->selection.beg)); |
3176 |
rxvt_selection_delimit_word(aR_ DN, &(R->selection.end), |
3177 |
&(R->selection.end)); |
3178 |
} else if (R->selection.clicks == 3) { |
3179 |
#ifndef NO_FRILLS |
3180 |
if ((R->Options & Opt_tripleclickwords)) { |
3181 |
int end_row; |
3182 |
|
3183 |
rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg), |
3184 |
&(R->selection.beg)); |
3185 |
end_row = R->screen.tlen[R->selection.mark.row |
3186 |
+ R->TermWin.saveLines]; |
3187 |
for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow; |
3188 |
end_row++) { |
3189 |
end_col = R->screen.tlen[end_row + R->TermWin.saveLines]; |
3190 |
if (end_col != -1) { |
3191 |
R->selection.end.row = end_row; |
3192 |
R->selection.end.col = end_col; |
3193 |
rxvt_selection_remove_trailing_spaces(aR); |
3194 |
break; |
3195 |
} |
3196 |
} |
3197 |
} else |
3198 |
#endif |
3199 |
{ |
3200 |
if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg)) |
3201 |
R->selection.mark.col++; |
3202 |
R->selection.beg.col = 0; |
3203 |
R->selection.end.col = ncol; |
3204 |
} |
3205 |
} |
3206 |
if (button3 && buttonpress) { /* mark may need to be changed */ |
3207 |
if (closeto == LEFT) { |
3208 |
R->selection.mark.row = R->selection.end.row; |
3209 |
R->selection.mark.col = R->selection.end.col |
3210 |
- (R->selection.clicks == 2); |
3211 |
} else { |
3212 |
R->selection.mark.row = R->selection.beg.row; |
3213 |
R->selection.mark.col = R->selection.beg.col; |
3214 |
} |
3215 |
} |
3216 |
D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); |
3217 |
#endif /* ! NO_NEW_SELECTION */ |
3218 |
} |
3219 |
|
3220 |
#ifndef NO_FRILLS |
3221 |
/* INTPROTO */ |
3222 |
void |
3223 |
rxvt_selection_remove_trailing_spaces(pR) |
3224 |
{ |
3225 |
int32_t end_col, end_row; |
3226 |
text_t *stp; |
3227 |
|
3228 |
end_col = R->selection.end.col; |
3229 |
end_row = R->selection.end.row; |
3230 |
for ( ; end_row >= R->selection.beg.row; ) { |
3231 |
stp = R->screen.text[end_row + R->TermWin.saveLines]; |
3232 |
while (--end_col >= 0) { |
3233 |
if (stp[end_col] != ' ' && stp[end_col] != '\t') |
3234 |
break; |
3235 |
} |
3236 |
if (end_col >= 0 |
3237 |
|| R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { |
3238 |
R->selection.end.col = end_col + 1; |
3239 |
R->selection.end.row = end_row; |
3240 |
break; |
3241 |
} |
3242 |
end_row--; |
3243 |
end_col = R->TermWin.ncol; |
3244 |
} |
3245 |
if (R->selection.mark.row > R->selection.end.row) { |
3246 |
R->selection.mark.row = R->selection.end.row; |
3247 |
R->selection.mark.col = R->selection.end.col; |
3248 |
} else if (R->selection.mark.row == R->selection.end.row |
3249 |
&& R->selection.mark.col > R->selection.end.col) |
3250 |
R->selection.mark.col = R->selection.end.col; |
3251 |
} |
3252 |
#endif |
3253 |
|
3254 |
/* ------------------------------------------------------------------------- */ |
3255 |
/* |
3256 |
* Double click on button 3 when already selected |
3257 |
* EXT: button 3 double click |
3258 |
*/ |
3259 |
/* EXTPROTO */ |
3260 |
void |
3261 |
rxvt_selection_rotate(pR_ int x, int y) |
3262 |
{ |
3263 |
R->selection.clicks = R->selection.clicks % 3 + 1; |
3264 |
rxvt_selection_extend_colrow(aR_ Pixel2Col(x), Pixel2Row(y), 1, 0, 1); |
3265 |
} |
3266 |
|
3267 |
/* ------------------------------------------------------------------------- */ |
3268 |
/* |
3269 |
* On some systems, the Atom typedef is 64 bits wide. We need to have a type |
3270 |
* that is exactly 32 bits wide, because a format of 64 is not allowed by |
3271 |
* the X11 protocol. |
3272 |
*/ |
3273 |
typedef CARD32 Atom32; |
3274 |
|
3275 |
/* ------------------------------------------------------------------------- */ |
3276 |
/* |
3277 |
* Respond to a request for our current selection |
3278 |
* EXT: SelectionRequest |
3279 |
*/ |
3280 |
/* EXTPROTO */ |
3281 |
void |
3282 |
rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) |
3283 |
{ |
3284 |
XSelectionEvent ev; |
3285 |
#ifdef USE_XIM |
3286 |
Atom32 target_list[4]; |
3287 |
#else |
3288 |
Atom32 target_list[3]; |
3289 |
#endif |
3290 |
Atom target; |
3291 |
XTextProperty ct; |
3292 |
XICCEncodingStyle style; |
3293 |
char *cl[2], dummy[1]; |
3294 |
|
3295 |
ev.type = SelectionNotify; |
3296 |
ev.property = None; |
3297 |
ev.display = rq->display; |
3298 |
ev.requestor = rq->requestor; |
3299 |
ev.selection = rq->selection; |
3300 |
ev.target = rq->target; |
3301 |
ev.time = rq->time; |
3302 |
|
3303 |
if (rq->target == R->xa[XA_TARGETS]) { |
3304 |
target_list[0] = (Atom32) R->xa[XA_TARGETS]; |
3305 |
target_list[1] = (Atom32) XA_STRING; |
3306 |
target_list[2] = (Atom32) R->xa[XA_TEXT]; |
3307 |
#ifdef USE_XIM |
3308 |
target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT]; |
3309 |
#endif |
3310 |
XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM, |
3311 |
(8 * sizeof(target_list[0])), PropModeReplace, |
3312 |
(unsigned char *)target_list, |
3313 |
(sizeof(target_list) / sizeof(target_list[0]))); |
3314 |
ev.property = rq->property; |
3315 |
} else if (rq->target == R->xa[XA_MULTIPLE]) { |
3316 |
/* TODO: Handle MULTIPLE */ |
3317 |
} else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) { |
3318 |
XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER, |
3319 |
(8 * sizeof(Time)), PropModeReplace, |
3320 |
(unsigned char *)&R->selection_time, 1); |
3321 |
ev.property = rq->property; |
3322 |
} else if (rq->target == XA_STRING |
3323 |
|| rq->target == R->xa[XA_COMPOUND_TEXT] |
3324 |
|| rq->target == R->xa[XA_TEXT]) { |
3325 |
#ifdef USE_XIM |
3326 |
short freect = 0; |
3327 |
#endif |
3328 |
int selectlen; |
3329 |
|
3330 |
#ifdef USE_XIM |
3331 |
if (rq->target != XA_STRING) { |
3332 |
target = R->xa[XA_COMPOUND_TEXT]; |
3333 |
style = (rq->target == R->xa[XA_COMPOUND_TEXT]) |
3334 |
? XCompoundTextStyle : XStdICCTextStyle; |
3335 |
} else |
3336 |
#endif |
3337 |
{ |
3338 |
target = XA_STRING; |
3339 |
style = XStringStyle; |
3340 |
} |
3341 |
if (R->selection.text) { |
3342 |
cl[0] = (char *)R->selection.text; |
3343 |
selectlen = R->selection.len; |
3344 |
} else { |
3345 |
cl[0] = dummy; |
3346 |
*dummy = '\0'; |
3347 |
selectlen = 0; |
3348 |
} |
3349 |
#ifdef USE_XIM |
3350 |
if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct) |
3351 |
== Success) /* if we failed to convert then send it raw */ |
3352 |
freect = 1; |
3353 |
else |
3354 |
#endif |
3355 |
{ |
3356 |
ct.value = (unsigned char *)cl[0]; |
3357 |
ct.nitems = selectlen; |
3358 |
} |
3359 |
XChangeProperty(R->Xdisplay, rq->requestor, rq->property, |
3360 |
target, 8, PropModeReplace, |
3361 |
ct.value, (int)ct.nitems); |
3362 |
ev.property = rq->property; |
3363 |
#ifdef USE_XIM |
3364 |
if (freect) |
3365 |
XFree(ct.value); |
3366 |
#endif |
3367 |
} |
3368 |
XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); |
3369 |
} |
3370 |
|
3371 |
/* ------------------------------------------------------------------------- * |
3372 |
* MOUSE ROUTINES * |
3373 |
* ------------------------------------------------------------------------- */ |
3374 |
|
3375 |
/* |
3376 |
* return col/row values corresponding to x/y pixel values |
3377 |
*/ |
3378 |
/* EXTPROTO */ |
3379 |
void |
3380 |
rxvt_pixel_position(pR_ int *x, int *y) |
3381 |
{ |
3382 |
*x = Pixel2Col(*x); |
3383 |
/* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */ |
3384 |
*y = Pixel2Row(*y); |
3385 |
/* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */ |
3386 |
} |
3387 |
/* ------------------------------------------------------------------------- */ |
3388 |
#ifdef USE_XIM |
3389 |
/* EXTPROTO */ |
3390 |
void |
3391 |
rxvt_setPosition(pR_ XPoint *pos) |
3392 |
{ |
3393 |
XWindowAttributes xwa; |
3394 |
|
3395 |
XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &xwa); |
3396 |
pos->x = Col2Pixel(R->screen.cur.col) + xwa.x; |
3397 |
pos->y = Height2Pixel((R->screen.cur.row + 1)) + xwa.y |
3398 |
- R->TermWin.lineSpace; |
3399 |
} |
3400 |
#endif |
3401 |
/* ------------------------------------------------------------------------- */ |
3402 |
|
3403 |
/* ------------------------------------------------------------------------- * |
3404 |
* DEBUG ROUTINES * |
3405 |
* ------------------------------------------------------------------------- */ |
3406 |
#if 0 |
3407 |
/* INTPROTO */ |
3408 |
void |
3409 |
rxvt_debug_colors(void) |
3410 |
{ |
3411 |
int color; |
3412 |
const char *name[] = { |
3413 |
"fg", "bg", |
3414 |
"black", "red", "green", "yellow", "blue", "magenta", "cyan", "white" |
3415 |
}; |
3416 |
|
3417 |
fprintf(stderr, "Color ( "); |
3418 |
if (R->rstyle & RS_RVid) |
3419 |
fprintf(stderr, "rvid "); |
3420 |
if (R->rstyle & RS_Bold) |
3421 |
fprintf(stderr, "bold "); |
3422 |
if (R->rstyle & RS_Blink) |
3423 |
fprintf(stderr, "blink "); |
3424 |
if (R->rstyle & RS_Uline) |
3425 |
fprintf(stderr, "uline "); |
3426 |
fprintf(stderr, "): "); |
3427 |
|
3428 |
color = GET_FGCOLOR(R->rstyle); |
3429 |
#ifndef NO_BRIGHTCOLOR |
3430 |
if (color >= minBrightCOLOR && color <= maxBrightCOLOR) { |
3431 |
color -= (minBrightCOLOR - minCOLOR); |
3432 |
fprintf(stderr, "bright "); |
3433 |
} |
3434 |
#endif |
3435 |
fprintf(stderr, "%s on ", name[color]); |
3436 |
|
3437 |
color = GET_BGCOLOR(R->rstyle); |
3438 |
#ifndef NO_BRIGHTCOLOR |
3439 |
if (color >= minBrightCOLOR && color <= maxBrightCOLOR) { |
3440 |
color -= (minBrightCOLOR - minCOLOR); |
3441 |
fprintf(stderr, "bright "); |
3442 |
} |
3443 |
#endif |
3444 |
fprintf(stderr, "%s\n", name[color]); |
3445 |
} |
3446 |
#endif |