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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.310 by root, Wed Jul 23 17:10:07 2008 UTC vs.
Revision 1.429 by root, Sun Jan 13 20:11:21 2013 UTC

1/*---------------------------------------------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 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 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 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */ 29#include "rxvtperl.h" /* NECESSARY */
30 30
31#include <inttypes.h> 31#include <inttypes.h>
32 32
33#include "salloc.C" // HACK, should be a seperate compile! 33static inline void
34
35static inline void fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
36{ 35{
37 while (len--) 36 while (len--)
38 *start++ = value; 37 *start++ = value;
39} 38}
40 39
41/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
42#define PROP_SIZE 256*1024
43#define PASTE_SIZE 32768
44#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
45 42
46/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
99 96
100/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
101void 98void
102rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
103{ 100{
104 if (!l.t) 101 if (!l.valid ())
105 { 102 {
106 lalloc (l); 103 l.alloc ();
107 col = 0; 104 col = 0;
108 width = ncol; 105 width = ncol;
109 } 106 }
110 107
111 l.touch (); 108 l.touch ();
130{ 127{
131 scr_blank_line (l, 0, ncol, efs); 128 scr_blank_line (l, 0, ncol, efs);
132 129
133 l.l = 0; 130 l.l = 0;
134 l.f = 0; 131 l.f = 0;
132}
133
134// nuke a single wide character at the given column
135void
136rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
137{
138 // find begin
139 while (col > 0 && l.t[col] == NOCHAR)
140 col--;
141
142 rend_t rend = l.r[col] & ~RS_baseattrMask;
143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
146
147 // found start, nuke
148 do {
149 l.t[col] = ' ';
150 l.r[col] = rend;
151 col++;
152 } while (col < ncol && l.t[col] == NOCHAR);
135} 153}
136 154
137/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
138 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
139 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
140 158
141void 159void
160rxvt_term::scr_alloc () NOTHROW
161{
162 int tsize = sizeof (text_t) * ncol;
163 int rsize = sizeof (rend_t) * ncol;
164
165 // we assume that rend_t size is a sufficient alignment
166 // factor for text_t and line_t values, and we only
167 // need to adjust tsize.
168 tsize = (tsize + sizeof (rend_t) - 1);
169 tsize -= tsize % sizeof (rend_t);
170
171 int all_rows = total_rows + nrow + nrow;
172
173 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174 chunk = chunk_alloc (chunk_size, 0);
175
176 char *base = (char *)chunk + sizeof (line_t) * all_rows;
177
178 for (int row = 0; row < all_rows; ++row)
179 {
180 line_t &l = ((line_t *)chunk) [row];
181
182 l.t = (text_t *)base; base += tsize;
183 l.r = (rend_t *)base; base += rsize;
184 l.l = -1;
185 l.f = 0;
186 }
187
188 drawn_buf = (line_t *)chunk;
189 swap_buf = drawn_buf + nrow;
190 row_buf = swap_buf + nrow;
191}
192
193void ecb_cold
142rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
143{ 195{
144#if ENABLE_OVERLAY 196#if ENABLE_OVERLAY
145 scr_overlay_off (); 197 scr_overlay_off ();
146#endif 198#endif
147 199
148 rvideo_mode = false;
149 view_start = 0; 200 view_start = 0;
150 num_scr = 0; 201 num_scr = 0;
151 202
152 if (ncol == 0) 203 if (ncol == 0)
153 ncol = 80; 204 ncol = 80;
155 if (nrow == 0) 206 if (nrow == 0)
156 nrow = 24; 207 nrow = 24;
157 208
158 if (ncol == prev_ncol && nrow == prev_nrow) 209 if (ncol == prev_ncol && nrow == prev_nrow)
159 return; 210 return;
160
161 if (current_screen != PRIMARY)
162 scr_swap_screen ();
163 211
164 // we need at least two lines for wrapping to work correctly 212 // we need at least two lines for wrapping to work correctly
165 while (nrow + saveLines < 2) 213 while (nrow + saveLines < 2)
166 { 214 {
167 //TODO//FIXME 215 //TODO//FIXME
176 total_rows = nrow + saveLines; 224 total_rows = nrow + saveLines;
177 225
178 screen.tscroll = 0; 226 screen.tscroll = 0;
179 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
180 228
229 void *prev_chunk = chunk;
230 size_t prev_chunk_size = chunk_size;
231 line_t *prev_drawn_buf = drawn_buf;
232 line_t *prev_swap_buf = swap_buf;
233 line_t *prev_row_buf = row_buf;
234
235 int common_col = min (prev_ncol, ncol);
236
237 scr_alloc ();
238
181 if (!row_buf) 239 if (!prev_row_buf)
182 { 240 {
183 /* 241 /*
184 * first time called so just malloc everything: don't rely on realloc 242 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
185 */ 243 */
186 top_row = 0; 244 top_row = 0;
187 term_start = 0; 245 term_start = 0;
188
189 talloc = new rxvt_salloc (ncol * sizeof (text_t));
190 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
191
192 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
193 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
194 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
195
196 for (int row = nrow; row--; )
197 {
198 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
199 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
200 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
201 }
202 246
203 memset (charsets, 'B', sizeof (charsets)); 247 memset (charsets, 'B', sizeof (charsets));
204 rstyle = DEFAULT_RSTYLE; 248 rstyle = DEFAULT_RSTYLE;
205 screen.flags = Screen_DefaultFlags; 249 screen.flags = Screen_DefaultFlags;
206 screen.cur.row = screen.cur.col = 0; 250 screen.cur.row = screen.cur.col = 0;
220 selection.text = NULL; 264 selection.text = NULL;
221 selection.len = 0; 265 selection.len = 0;
222 selection.op = SELECTION_CLEAR; 266 selection.op = SELECTION_CLEAR;
223 selection.screen = PRIMARY; 267 selection.screen = PRIMARY;
224 selection.clicks = 0; 268 selection.clicks = 0;
269 selection.clip_text = NULL;
270 selection.clip_len = 0;
225 } 271 }
226 else 272 else
227 { 273 {
228 /* 274 /*
229 * add or delete rows as appropriate 275 * add or delete rows as appropriate
230 */ 276 */
231 277
232 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
233 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
234
235#if 0
236 if (nrow < prev_nrow)
237 {
238 for (int row = nrow; row < prev_nrow; row++)
239 {
240 lfree (swap_buf [row]);
241 lfree (drawn_buf[row]);
242 }
243 }
244#endif
245
246 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
247 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
248
249 for (int row = min (nrow, prev_nrow); row--; ) 278 for (int row = min (nrow, prev_nrow); row--; )
250 { 279 {
251 lresize (drawn_buf[row]); 280 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
252 lresize (swap_buf [row]); 281 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
253 }
254 282
255 for (int row = prev_nrow; row < nrow; row++) 283 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
284 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
285
286 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
287 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
288 swap_buf [row].l = prev_swap_buf [row].l;
256 { 289 }
257 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
258 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
259 }
260
261 line_t *old_buf = row_buf;
262 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
263 290
264 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 291 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
265 int pend = MOD (term_start + top_row , prev_total_rows); 292 int pend = MOD (term_start + top_row , prev_total_rows);
266 int q = total_rows; // rewrapped row 293 int q = total_rows; // rewrapped row
267 294
268 if (top_row) 295 if (top_row)
269 { 296 {
270 // Re-wrap lines. This is rather ugly, possibly because I am too dumb 297 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
271 // to come up with a lean and mean algorithm. 298 // to come up with a lean and mean algorithm.
299 // TODO: maybe optimise when width didn't change
272 300
273 row_col_t ocur = screen.cur; 301 row_col_t ocur = screen.cur;
274 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 302 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
275 303
276 do 304 do
277 { 305 {
278 p = MOD (p - 1, prev_total_rows); 306 p = MOD (p - 1, prev_total_rows);
279#ifdef DEBUG_STRICT
280 assert (old_buf [MOD (p, prev_total_rows)].t); 307 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
281#endif
282 int plines = 1; 308 int plines = 1;
283 int llen = old_buf [MOD (p, prev_total_rows)].l; 309 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
284 310
285 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 311 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
286 { 312 {
287 p = MOD (p - 1, prev_total_rows); 313 p = MOD (p - 1, prev_total_rows);
288 314
289 plines++; 315 plines++;
290 llen += prev_ncol; 316 llen += prev_ncol;
303 329
304 // re-assemble the full line by destination lines 330 // re-assemble the full line by destination lines
305 for (int qrow = q; qlines--; qrow++) 331 for (int qrow = q; qlines--; qrow++)
306 { 332 {
307 qline = row_buf + qrow; 333 qline = row_buf + qrow;
308 lalloc (*qline); 334 qline->alloc (); // redundant with next line
309 qline->l = ncol; 335 qline->l = ncol;
310 qline->is_longer (1); 336 qline->is_longer (1);
311 337
312 int qcol = 0; 338 int qcol = 0;
313 339
328 // this seems to upset applications/shells/readline 354 // this seems to upset applications/shells/readline
329 // least. 355 // least.
330 if (prow == ocur.row) 356 if (prow == ocur.row)
331 screen.cur.row = q - (total_rows - nrow); 357 screen.cur.row = q - (total_rows - nrow);
332 358
333 line_t &pline = old_buf [prow]; 359 line_t &pline = prev_row_buf [prow];
334 360
335 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 361 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
336 362
337 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 363 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
338 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 364 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
359 { 385 {
360 // if no scrollback exists (yet), wing, instead of wrap 386 // if no scrollback exists (yet), wing, instead of wrap
361 387
362 for (int row = min (nrow, prev_nrow); row--; ) 388 for (int row = min (nrow, prev_nrow); row--; )
363 { 389 {
364 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 390 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
365 line_t &qline = row_buf [row]; 391 line_t &dst = row_buf [row];
366 392
367 qline = pline; 393 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
368 lresize (qline); 394
395 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
396 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
397 dst.l = common_col;
369 } 398 }
370 399
371 for (int row = prev_nrow; row < nrow; row++) 400 for (int row = prev_nrow; row < nrow; row++)
372 {
373 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 401 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
374 }
375 402
376 term_start = 0; 403 term_start = 0;
377 } 404 }
378
379 free (old_buf);
380 delete old_ta;
381 delete old_ra;
382 405
383 clamp_it (screen.cur.row, 0, nrow - 1); 406 clamp_it (screen.cur.row, 0, nrow - 1);
384 clamp_it (screen.cur.col, 0, ncol - 1); 407 clamp_it (screen.cur.col, 0, ncol - 1);
408 }
385 409
410 for (int row = nrow; row--; )
411 {
412 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
413 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
414 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
415 }
416
417 chunk_free (prev_chunk, prev_chunk_size);
418
386 free (tabs); 419 free (tabs);
387 } 420 tabs = (char *)rxvt_malloc (ncol);
421
422 for (int col = ncol; col--; )
423 tabs [col] = col % TABSIZE == 0;
388 424
389 CLEAR_ALL_SELECTION (); 425 CLEAR_ALL_SELECTION ();
390 426
391 prev_nrow = nrow; 427 prev_nrow = nrow;
392 prev_ncol = ncol; 428 prev_ncol = ncol;
393 429
394 tabs = (char *)rxvt_malloc (ncol); 430 tt_winch ();
395 431
396 for (int col = ncol; --col; ) 432 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
397 tabs [col] = col % TABSIZE == 0; 433}
434
435void ecb_cold
436rxvt_term::scr_release () NOTHROW
437{
438 chunk_free (chunk, chunk_size);
439 chunk = 0;
440 row_buf = 0;
441
442 free (tabs);
443 tabs = 0;
444}
445
446/* ------------------------------------------------------------------------- */
447/*
448 * Hard/Soft reset
449 */
450void ecb_cold
451rxvt_term::scr_poweron ()
452{
453 scr_release ();
454
455 prev_nrow = prev_ncol = 0;
456 rvideo_mode = false;
457 scr_soft_reset ();
458 scr_reset ();
459
460 scr_clear (true);
461 scr_refresh ();
462}
463
464void ecb_cold
465rxvt_term::scr_soft_reset () NOTHROW
466{
467 /* only affects modes, nothing drastic such as clearing the screen */
468#if ENABLE_OVERLAY
469 scr_overlay_off ();
470#endif
398 471
399 if (current_screen != PRIMARY) 472 if (current_screen != PRIMARY)
400 scr_swap_screen (); 473 scr_swap_screen ();
401 474
402 tt_winch (); 475 scr_scroll_region (0, MAX_ROWS - 1);
403 476 scr_rendition (0, ~RS_None);
404 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 477 scr_insert_mode (0);
405}
406
407/* ------------------------------------------------------------------------- */
408/*
409 * Free everything. That way malloc debugging can find leakage.
410 */
411void
412rxvt_term::scr_release () NOTHROW
413{
414 if (row_buf)
415 {
416 delete talloc; talloc = 0;
417 delete ralloc; ralloc = 0;
418
419 free (row_buf);
420 free (swap_buf);
421 free (drawn_buf);
422 free (tabs);
423
424 row_buf = 0; // signal that we freed all the arrays
425 }
426}
427
428/* ------------------------------------------------------------------------- */
429/*
430 * Hard reset
431 */
432void
433rxvt_term::scr_poweron ()
434{
435 scr_release ();
436 prev_nrow = prev_ncol = 0;
437 scr_reset ();
438
439 scr_clear (true);
440 scr_refresh ();
441} 478}
442 479
443/* ------------------------------------------------------------------------- * 480/* ------------------------------------------------------------------------- *
444 * PROCESS SCREEN COMMANDS * 481 * PROCESS SCREEN COMMANDS *
445 * ------------------------------------------------------------------------- */ 482 * ------------------------------------------------------------------------- */
483 } 520 }
484 521
485 /* boundary check in case screen size changed between SAVE and RESTORE */ 522 /* boundary check in case screen size changed between SAVE and RESTORE */
486 min_it (s->cur.row, nrow - 1); 523 min_it (s->cur.row, nrow - 1);
487 min_it (s->cur.col, ncol - 1); 524 min_it (s->cur.col, ncol - 1);
488#ifdef DEBUG_STRICT
489 assert (s->cur.row >= 0); 525 assert (s->cur.row >= 0);
490 assert (s->cur.col >= 0); 526 assert (s->cur.col >= 0);
491#endif
492} 527}
493 528
494void 529void
495rxvt_term::scr_swap_screen () 530rxvt_term::scr_swap_screen () NOTHROW
496{ 531{
497 if (!option (Opt_secondaryScreen)) 532 if (!option (Opt_secondaryScreen))
498 return; 533 return;
499 534
500 for (int i = prev_nrow; i--; ) 535 for (int i = prev_nrow; i--; )
519 return; 554 return;
520 555
521 want_refresh = 1; 556 want_refresh = 1;
522 view_start = 0; 557 view_start = 0;
523 558
524 selection_check (2); /* check for boundary cross */ 559 /* check for boundary cross */
560 row_col_t pos;
561 pos.row = pos.col = 0;
562 if (ROWCOL_IS_BEFORE (selection.beg, pos)
563 && ROWCOL_IS_AFTER (selection.end, pos))
564 CLEAR_SELECTION ();
525 565
526 int i = current_screen; current_screen = scrn; scrn = i; 566 current_screen = scrn;
527 567
528#if NSCREENS 568#if NSCREENS
529 if (option (Opt_secondaryScreen)) 569 if (option (Opt_secondaryScreen))
530 { 570 {
531 num_scr = 0; 571 num_scr = 0;
595/* 635/*
596 * Scroll text between <row1> and <row2> inclusive, by <count> lines 636 * Scroll text between <row1> and <row2> inclusive, by <count> lines
597 * count positive ==> scroll up 637 * count positive ==> scroll up
598 * count negative ==> scroll down 638 * count negative ==> scroll down
599 */ 639 */
600int 640int ecb_hot
601rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 641rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
602{ 642{
603 if (count == 0 || (row1 > row2)) 643 if (count == 0 || (row1 > row2))
604 return 0; 644 return 0;
605 645
608 648
609 if (count > 0 649 if (count > 0
610 && row1 == 0 650 && row1 == 0
611 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 651 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
612 { 652 {
653 min_it (count, total_rows - (nrow - (row2 + 1)));
654
613 top_row = max (top_row - count, -saveLines); 655 top_row = max (top_row - count, -saveLines);
614
615 // scroll everything up 'count' lines
616 term_start = (term_start + count) % total_rows;
617 656
618 // sever bottommost line 657 // sever bottommost line
619 { 658 {
620 line_t &l = ROW(row2 - count); 659 line_t &l = ROW(row2);
621 l.is_longer (0); 660 l.is_longer (0);
622 l.touch (); 661 l.touch ();
623 } 662 }
624 663
664 // scroll everything up 'count' lines
665 term_start = (term_start + count) % total_rows;
666
667 // now copy lines below the scroll region bottom to the
668 // bottom of the screen again, so they look as if they
669 // hadn't moved.
670 for (int i = nrow; --i > row2; )
671 {
672 line_t &l1 = ROW(i - count);
673 line_t &l2 = ROW(i);
674
675 ::swap (l1, l2);
676 l2.touch ();
677 }
678
625 // erase newly scrolled-in lines 679 // erase newly scrolled-in lines
626 for (int i = count; i--; ) 680 for (int i = count; i--; )
627 { 681 {
628 line_t &l = ROW(nrow - 1 - i); 682 line_t &l = ROW(row2 - i);
629 683
630 // optimize if already cleared, can be significant on slow machines 684 // optimise if already cleared, can be significant on slow machines
631 // could be rolled into scr_blank_screen_mem 685 // could be rolled into scr_blank_screen_mem
632 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 686 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
633 { 687 {
634 scr_blank_line (l, 0, l.l, rstyle); 688 scr_blank_line (l, 0, l.l, rstyle);
635 l.l = 0; 689 l.l = 0;
637 } 691 }
638 else 692 else
639 scr_blank_screen_mem (l, rstyle); 693 scr_blank_screen_mem (l, rstyle);
640 } 694 }
641 695
642 // now copy lines below the scroll region bottom to the
643 // bottom of the screen again, so they look as if they
644 // hadn't moved.
645 for (int i = nrow; --i > row2; )
646 {
647 line_t &l1 = ROW(i - count);
648 line_t &l2 = ROW(i);
649
650 ::swap (l1, l2);
651 l2.touch ();
652 }
653
654 // move and/or clear selection, if any 696 // move and/or clear selection, if any
655 if (selection.op && current_screen == selection.screen) 697 if (selection.op && current_screen == selection.screen
698 && selection.beg.row <= row2)
656 { 699 {
657 selection.beg.row -= count; 700 selection.beg.row -= count;
658 selection.end.row -= count; 701 selection.end.row -= count;
659 selection.mark.row -= count; 702 selection.mark.row -= count;
660 703
661 if (selection.beg.row < top_row 704 selection_check (0);
662 || selection.end.row < top_row
663 || selection.mark.row < top_row)
664 {
665 CLEAR_ALL_SELECTION ();
666 selection.op = SELECTION_CLEAR;
667 }
668 } 705 }
669 706
670 // finally move the view window, if desired 707 // finally move the view window, if desired
671 if (option (Opt_scrollWithBuffer) 708 if (option (Opt_scrollWithBuffer)
672 && view_start != 0 709 && view_start != 0
702 } 739 }
703 740
704 // use a simple and robust scrolling algorithm, this 741 // use a simple and robust scrolling algorithm, this
705 // part of scr_scroll_text is not time-critical. 742 // part of scr_scroll_text is not time-critical.
706 743
744 // sever line above scroll region
745 if (row1)
746 {
747 line_t &l = ROW(row1 - 1);
748 l.is_longer (0);
749 l.touch ();
750 }
751
707 int rows = row2 - row1 + 1; 752 int rows = row2 - row1 + 1;
708 753
709 min_it (count, rows); 754 min_it (count, rows);
710 755
711 line_t *temp_buf = row_buf + total_rows; 756 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
712 757
713 for (int row = 0; row < rows; row++) 758 for (int row = 0; row < rows; row++)
714 { 759 {
715 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 760 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
716 761
718 scr_blank_screen_mem (temp_buf [row], rstyle); 763 scr_blank_screen_mem (temp_buf [row], rstyle);
719 } 764 }
720 765
721 for (int row = 0; row < rows; row++) 766 for (int row = 0; row < rows; row++)
722 ROW(row1 + row) = temp_buf [row]; 767 ROW(row1 + row) = temp_buf [row];
768
769 // sever bottommost line
770 {
771 line_t &l = ROW(row2);
772 l.is_longer (0);
773 l.touch ();
774 }
723 } 775 }
724 776
725 return count; 777 return count;
726} 778}
727 779
728/* ------------------------------------------------------------------------- */ 780/* ------------------------------------------------------------------------- */
729/* 781/*
730 * Add text given in <str> of length <len> to screen struct 782 * Add text given in <str> of length <len> to screen struct
731 */ 783 */
732void 784void ecb_hot
733rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 785rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
734{ 786{
735 if (len <= 0) /* sanity */ 787 if (len <= 0) /* sanity */
736 return; 788 return;
737 789
738 unsigned char checksel; 790 bool checksel;
739 unicode_t c; 791 unicode_t c;
740 int ncol = this->ncol; 792 int ncol = this->ncol;
741 const wchar_t *strend = str + len; 793 const wchar_t *strend = str + len;
742 794
743 want_refresh = 1; 795 want_refresh = 1;
756 scr_scroll_text (screen.tscroll, screen.bscroll, minlines); 808 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
757 screen.cur.row -= minlines; 809 screen.cur.row -= minlines;
758 } 810 }
759 } 811 }
760 812
761#ifdef DEBUG_STRICT
762 assert (screen.cur.col < ncol); 813 assert (screen.cur.col < ncol);
763 assert (screen.cur.row < nrow 814 assert (screen.cur.row < nrow
764 && screen.cur.row >= top_row); 815 && screen.cur.row >= top_row);
765#endif
766 int row = screen.cur.row; 816 int row = screen.cur.row;
767 817
768 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 818 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
769 819
770 line_t *line = &ROW(row); 820 line_t *line = &ROW(row);
771 821
772 while (str < strend) 822 while (str < strend)
773 { 823 {
774 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 824 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
775 825
776 if (expect_false (c < 0x20)) 826 if (ecb_unlikely (c < 0x20))
777 if (c == C0_LF) 827 if (c == C0_LF)
778 { 828 {
779 max_it (line->l, screen.cur.col); 829 max_it (line->l, screen.cur.col);
780 830
781 screen.flags &= ~Screen_WrapNext; 831 screen.flags &= ~Screen_WrapNext;
800 { 850 {
801 scr_tab (1, true); 851 scr_tab (1, true);
802 continue; 852 continue;
803 } 853 }
804 854
805 if (expect_false ( 855 if (ecb_unlikely (
806 checksel /* see if we're writing within selection */ 856 checksel /* see if we're writing within selection */
807 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 857 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
808 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 858 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
809 )) 859 ))
810 { 860 {
815 * should be a similar check. 865 * should be a similar check.
816 */ 866 */
817 CLEAR_SELECTION (); 867 CLEAR_SELECTION ();
818 } 868 }
819 869
820 if (expect_false (screen.flags & Screen_WrapNext)) 870 if (ecb_unlikely (screen.flags & Screen_WrapNext))
821 { 871 {
822 scr_do_wrap (); 872 scr_do_wrap ();
823 873
824 line->l = ncol; 874 line->l = ncol;
825 line->is_longer (1); 875 line->is_longer (1);
827 row = screen.cur.row; 877 row = screen.cur.row;
828 line = &ROW(row); /* _must_ refresh */ 878 line = &ROW(row); /* _must_ refresh */
829 } 879 }
830 880
831 // some utf-8 decoders "decode" surrogate characters: let's fix this. 881 // some utf-8 decoders "decode" surrogate characters: let's fix this.
832 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 882 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
833 c = 0xfffd; 883 c = 0xfffd;
834 884
835 // rely on wcwidth to tell us the character width, do wcwidth before 885 // rely on wcwidth to tell us the character width, do wcwidth before
836 // further replacements, as wcwidth might return -1 for the line 886 // further replacements, as wcwidth might return -1 for the line
837 // drawing characters below as they might be invalid in the current 887 // drawing characters below as they might be invalid in the current
838 // locale. 888 // locale.
839 int width = WCWIDTH (c); 889 int width = WCWIDTH (c);
840 890
841 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 891 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
842 { 892 {
843 // vt100 special graphics and line drawing 893 // vt100 special graphics and line drawing
844 // 5f-7e standard vt100 894 // 5f-7e standard vt100
845 // 40-5e rxvt extension for extra curses acs chars 895 // 40-5e rxvt extension for extra curses acs chars
846 static uint16_t vt100_0[62] = { // 41 .. 7e 896 static uint16_t vt100_0[62] = { // 41 .. 7e
859 c = vt100_0[c - 0x41]; 909 c = vt100_0[c - 0x41];
860 width = 1; // vt100 line drawing characters are always single-width 910 width = 1; // vt100 line drawing characters are always single-width
861 } 911 }
862 } 912 }
863 913
864 if (expect_false (screen.flags & Screen_Insert)) 914 if (ecb_unlikely (screen.flags & Screen_Insert))
865 scr_insdel_chars (width, INSERT); 915 scr_insdel_chars (width, INSERT);
866 916
867 if (width != 0) 917 if (width != 0)
868 { 918 {
869#if !UNICODE_3 919#if !UNICODE_3
874# else 924# else
875 c = 0xfffd; 925 c = 0xfffd;
876# endif 926# endif
877#endif 927#endif
878 928
929 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
930
931 // if the character doesn't fit into the remaining columns...
932 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
933 {
934 if (screen.flags & Screen_Autowrap)
935 {
936 // ... artificially enlargen the previous one
937 c = NOCHAR;
938 // and try the same character next loop iteration
939 --str;
940 }
941 else
942 screen.cur.col = ncol - width;
943 }
944
879 // nuke the character at this position, if required 945 // nuke the character at this position, if required
880 if (expect_false ( 946 // due to wonderful coincidences everywhere else in this loop
947 // we never have to check for overwriting a wide char itself,
948 // only its tail.
881 line->t[screen.cur.col] == NOCHAR 949 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
882 || (screen.cur.col < ncol - 1 950 scr_kill_char (*line, screen.cur.col);
883 && line->t[screen.cur.col + 1] == NOCHAR)
884 ))
885 {
886 int col = screen.cur.col;
887
888 // find begin
889 while (col > 0 && line->t[col] == NOCHAR)
890 col--;
891
892 rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
893
894 // found begin, nuke
895 do {
896 line->t[col] = ' ';
897 line->r[col] = rend;
898 col++;
899 } while (col < ncol && line->t[col] == NOCHAR);
900 }
901
902 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
903
904 // if the character doesn't fit into the remaining columns...
905 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
906 {
907 // ...output spaces
908 c = ' ';
909 // and try the same character next loop iteration
910 --str;
911 }
912 951
913 line->touch (); 952 line->touch ();
914 953
915 do 954 do
916 { 955 {
917 line->t[screen.cur.col] = c; 956 line->t[screen.cur.col] = c;
918 line->r[screen.cur.col] = rend; 957 line->r[screen.cur.col] = rend;
919 958
920 if (expect_true (screen.cur.col < ncol - 1)) 959 if (ecb_likely (screen.cur.col < ncol - 1))
921 screen.cur.col++; 960 screen.cur.col++;
922 else 961 else
923 { 962 {
924 line->l = ncol; 963 line->l = ncol;
925 if (screen.flags & Screen_Autowrap) 964 if (screen.flags & Screen_Autowrap)
926 screen.flags |= Screen_WrapNext; 965 screen.flags |= Screen_WrapNext;
927 break; 966
967 goto end_of_line;
928 } 968 }
929 969
930 c = NOCHAR; 970 c = NOCHAR;
931 } 971 }
932 while (expect_false (--width > 0)); 972 while (ecb_unlikely (--width > 0));
933 973
934 // pad with spaces when overwriting wide character with smaller one 974 // pad with spaces when overwriting wide character with smaller one
935 if (expect_false (!width)) 975 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
936 { 976 {
937 line->touch ();
938
939 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
940 {
941 line->t[c] = ' '; 977 line->t[c] = ' ';
942 line->r[c] = rend; 978 line->r[c] = rend;
943 }
944 } 979 }
980
981end_of_line:
982 ;
945 } 983 }
946#if ENABLE_COMBINING 984#if ENABLE_COMBINING
947 else // width == 0 985 else // width == 0
948 { 986 {
949 if (c != 0xfeff) // ignore BOM 987 if (c != 0xfeff) // ignore BOM
989#endif 1027#endif
990 } 1028 }
991 1029
992 max_it (line->l, screen.cur.col); 1030 max_it (line->l, screen.cur.col);
993 1031
994#ifdef DEBUG_STRICT
995 assert (screen.cur.row >= 0); 1032 assert (screen.cur.row >= 0);
996#endif
997} 1033}
998 1034
999/* ------------------------------------------------------------------------- */ 1035/* ------------------------------------------------------------------------- */
1000/* 1036/*
1001 * Process Backspace. Move back the cursor back a position, wrap if have to 1037 * Process Backspace. Move back the cursor back a position, wrap if have to
1014 1050
1015 want_refresh = 1; 1051 want_refresh = 1;
1016#endif 1052#endif
1017 } 1053 }
1018 } 1054 }
1055 else if (screen.flags & Screen_WrapNext)
1056 screen.flags &= ~Screen_WrapNext;
1019 else 1057 else
1020 scr_gotorc (0, -1, RELATIVE); 1058 scr_gotorc (0, -1, RELATIVE);
1021} 1059}
1022 1060
1023/* ------------------------------------------------------------------------- */ 1061/* ------------------------------------------------------------------------- */
1101 * XTERM_SEQ: ESC 6 1139 * XTERM_SEQ: ESC 6
1102 * Move cursor left in row. If we're at the left boundary, shift everything 1140 * Move cursor left in row. If we're at the left boundary, shift everything
1103 * in that row right. Clear left column. 1141 * in that row right. Clear left column.
1104 */ 1142 */
1105#if !ENABLE_MINIMAL 1143#if !ENABLE_MINIMAL
1106void 1144void ecb_cold
1107rxvt_term::scr_backindex () NOTHROW 1145rxvt_term::scr_backindex () NOTHROW
1108{ 1146{
1109 if (screen.cur.col > 0) 1147 if (screen.cur.col > 0)
1110 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1148 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1111 else 1149 else
1118 * XTERM_SEQ: ESC 9 1156 * XTERM_SEQ: ESC 9
1119 * Move cursor right in row. If we're at the right boundary, shift everything 1157 * Move cursor right in row. If we're at the right boundary, shift everything
1120 * in that row left. Clear right column. 1158 * in that row left. Clear right column.
1121 */ 1159 */
1122#if !ENABLE_MINIMAL 1160#if !ENABLE_MINIMAL
1123void 1161void ecb_cold
1124rxvt_term::scr_forwardindex () NOTHROW 1162rxvt_term::scr_forwardindex () NOTHROW
1125{ 1163{
1126 if (screen.cur.col < ncol - 1) 1164 if (screen.cur.col < ncol - 1)
1127 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1165 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1128 else 1166 else
1279 scr_blank_line (line, col, num, rstyle); 1317 scr_blank_line (line, col, num, rstyle);
1280} 1318}
1281 1319
1282/* ------------------------------------------------------------------------- */ 1320/* ------------------------------------------------------------------------- */
1283/* 1321/*
1284 * Erase part of whole of the screen 1322 * Erase part or whole of the screen
1285 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1323 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1286 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1324 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1287 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1325 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1288 */ 1326 */
1289void 1327void
1298 ZERO_SCROLLBACK (); 1336 ZERO_SCROLLBACK ();
1299 1337
1300 switch (mode) 1338 switch (mode)
1301 { 1339 {
1302 case 0: /* erase to end of screen */ 1340 case 0: /* erase to end of screen */
1303 selection_check (1);
1304 scr_erase_line (0); 1341 scr_erase_line (0);
1305 row = screen.cur.row + 1; /* possible OOB */ 1342 row = screen.cur.row + 1; /* possible OOB */
1306 num = nrow - row; 1343 num = nrow - row;
1307 break; 1344 break;
1308 case 1: /* erase to beginning of screen */ 1345 case 1: /* erase to beginning of screen */
1309 selection_check (3);
1310 scr_erase_line (1); 1346 scr_erase_line (1);
1311 row = 0; 1347 row = 0;
1312 num = screen.cur.row; 1348 num = screen.cur.row;
1313 break; 1349 break;
1314 case 2: /* erase whole screen */ 1350 case 2: /* erase whole screen */
1315 selection_check (3);
1316 row = 0; 1351 row = 0;
1317 num = nrow; 1352 num = nrow;
1318 break; 1353 break;
1319 default: 1354 default:
1320 return; 1355 return;
1329 if (row >= nrow) /* Out Of Bounds */ 1364 if (row >= nrow) /* Out Of Bounds */
1330 return; 1365 return;
1331 1366
1332 min_it (num, nrow - row); 1367 min_it (num, nrow - row);
1333 1368
1334 /*TODO: the xlceararea/xfillrectangle below don't take scroll offste into account, ask mikachu for details */
1335 if (rstyle & (RS_RVid | RS_Uline)) 1369 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1336 ren = (rend_t) ~RS_None; 1370 ren = (rend_t) ~RS_None;
1337 else if (GET_BASEBG (rstyle) == Color_bg) 1371 else if (GET_BASEBG (rstyle) == Color_bg)
1338 { 1372 {
1339 ren = DEFAULT_RSTYLE; 1373 ren = DEFAULT_RSTYLE;
1340 1374
1341 if (mapped) 1375 if (mapped)
1342 XClearArea (dpy, vt, 0, 1376 XClearArea (dpy, vt, 0,
1343 Row2Pixel (row), (unsigned int)width, 1377 Row2Pixel (row - view_start), (unsigned int)vt_width,
1344 (unsigned int)Height2Pixel (num), False); 1378 (unsigned int)Height2Pixel (num), False);
1345 } 1379 }
1346 else 1380 else
1347 { 1381 {
1348 ren = rstyle & (RS_fgMask | RS_bgMask); 1382 ren = rstyle & (RS_fgMask | RS_bgMask);
1349 1383
1384 if (mapped)
1385 {
1350 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1386 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1351 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1387 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1352 XFillRectangle (dpy, vt, gc, 1388 XFillRectangle (dpy, vt, gc,
1353 0, Row2Pixel (row), 1389 0, Row2Pixel (row - view_start),
1354 (unsigned int)width, 1390 (unsigned int)vt_width,
1355 (unsigned int)Height2Pixel (num)); 1391 (unsigned int)Height2Pixel (num));
1356 gcvalue.foreground = pix_colors[Color_fg]; 1392 gcvalue.foreground = pix_colors[Color_fg];
1357 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1394 }
1358 } 1395 }
1359 1396
1360 for (; num--; row++) 1397 for (; num--; row++)
1361 { 1398 {
1362 scr_blank_screen_mem (ROW(row), rstyle); 1399 scr_blank_screen_mem (ROW(row), rstyle);
1400
1401 if (row - view_start < nrow)
1363 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1402 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1364 } 1403 }
1365} 1404}
1366 1405
1367#if !ENABLE_MINIMAL 1406#if !ENABLE_MINIMAL
1368void 1407void
1378/* ------------------------------------------------------------------------- */ 1417/* ------------------------------------------------------------------------- */
1379/* 1418/*
1380 * Fill the screen with `E's 1419 * Fill the screen with `E's
1381 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1420 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1382 */ 1421 */
1383void 1422void ecb_cold
1384rxvt_term::scr_E () NOTHROW 1423rxvt_term::scr_E () NOTHROW
1385{ 1424{
1386 rend_t fs; 1425 rend_t fs;
1387 1426
1388 want_refresh = 1; 1427 want_refresh = 1;
1389 ZERO_SCROLLBACK (); 1428 ZERO_SCROLLBACK ();
1390 1429
1391 num_scr_allow = 0; 1430 num_scr_allow = 0;
1392 selection_check (3); 1431
1432 row_col_t pos;
1433 pos.row = pos.col = 0;
1434 if (ROWCOL_IS_AFTER (selection.end, pos))
1435 CLEAR_SELECTION ();
1393 1436
1394 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1437 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1395 for (int row = nrow; row--; ) 1438 for (int row = nrow; row--; )
1396 { 1439 {
1397 line_t &line = ROW(row); 1440 line_t &line = ROW(row);
1442 * Insert/Delete <count> characters from the current position 1485 * Insert/Delete <count> characters from the current position
1443 */ 1486 */
1444void 1487void
1445rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1488rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1446{ 1489{
1447 int col, row;
1448 rend_t tr;
1449
1450 want_refresh = 1; 1490 want_refresh = 1;
1451 ZERO_SCROLLBACK (); 1491 ZERO_SCROLLBACK ();
1452 1492
1453 if (count <= 0) 1493 if (count <= 0)
1454 return; 1494 return;
1456 scr_do_wrap (); 1496 scr_do_wrap ();
1457 1497
1458 selection_check (1); 1498 selection_check (1);
1459 min_it (count, ncol - screen.cur.col); 1499 min_it (count, ncol - screen.cur.col);
1460 1500
1461 row = screen.cur.row; 1501 int row = screen.cur.row;
1462 1502
1463 line_t *line = &ROW(row); 1503 line_t *line = &ROW(row);
1464 1504
1465 line->touch (); 1505 line->touch ();
1466 line->is_longer (0); 1506 line->is_longer (0);
1467 1507
1508 // nuke wide spanning the start
1509 if (line->t[screen.cur.col] == NOCHAR)
1510 scr_kill_char (*line, screen.cur.col);
1511
1468 switch (insdel) 1512 switch (insdel)
1469 { 1513 {
1470 case INSERT: 1514 case INSERT:
1471 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1515 line->l = min (line->l + count, ncol);
1516
1517 if (line->t[screen.cur.col] == NOCHAR)
1518 scr_kill_char (*line, screen.cur.col);
1519
1520 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1472 { 1521 {
1473 line->t[col] = line->t[col - count]; 1522 line->t[col] = line->t[col - count];
1474 line->r[col] = line->r[col - count]; 1523 line->r[col] = line->r[col - count];
1475 } 1524 }
1476
1477 line->l = min (line->l + count, ncol);
1478 1525
1479 if (selection.op && current_screen == selection.screen 1526 if (selection.op && current_screen == selection.screen
1480 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1527 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1481 { 1528 {
1482 if (selection.end.row != screen.cur.row 1529 if (selection.end.row != screen.cur.row
1497 case ERASE: 1544 case ERASE:
1498 screen.cur.col += count; /* don't worry if > ncol */ 1545 screen.cur.col += count; /* don't worry if > ncol */
1499 selection_check (1); 1546 selection_check (1);
1500 screen.cur.col -= count; 1547 screen.cur.col -= count;
1501 1548
1502 line->l = max (line->l - count, 0); 1549 // nuke wide char after the end
1550 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1551 scr_kill_char (*line, screen.cur.col + count);
1552
1503 scr_blank_line (*line, screen.cur.col, count, rstyle); 1553 scr_blank_line (*line, screen.cur.col, count, rstyle);
1504 break; 1554 break;
1505 1555
1506 case DELETE: 1556 case DELETE:
1507 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1557 line->l = max (line->l - count, 0);
1508 1558
1559 // nuke wide char spanning the end
1560 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1561 scr_kill_char (*line, screen.cur.col + count);
1562
1509 for (col = screen.cur.col; (col + count) < ncol; col++) 1563 for (int col = screen.cur.col; (col + count) < ncol; col++)
1510 { 1564 {
1511 line->t[col] = line->t[col + count]; 1565 line->t[col] = line->t[col + count];
1512 line->r[col] = line->r[col + count]; 1566 line->r[col] = line->r[col + count];
1513 } 1567 }
1514 1568
1515 line->l = max (line->l - count, 0);
1516 scr_blank_line (*line, ncol - count, count, tr); 1569 scr_blank_line (*line, ncol - count, count, rstyle);
1517 1570
1518 if (selection.op && current_screen == selection.screen 1571 if (selection.op && current_screen == selection.screen
1519 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1572 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1520 { 1573 {
1521 if (selection.end.row != screen.cur.row 1574 if (selection.end.row != screen.cur.row
1538/* ------------------------------------------------------------------------- */ 1591/* ------------------------------------------------------------------------- */
1539/* 1592/*
1540 * Set the scrolling region 1593 * Set the scrolling region
1541 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1594 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1542 */ 1595 */
1543void 1596void ecb_cold
1544rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1597rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1545{ 1598{
1546 max_it (top, 0); 1599 max_it (top, 0);
1547 min_it (bot, nrow - 1); 1600 min_it (bot, nrow - 1);
1548 1601
1558/* 1611/*
1559 * Make the cursor visible/invisible 1612 * Make the cursor visible/invisible
1560 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1613 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1561 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1614 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1562 */ 1615 */
1563void 1616void ecb_cold
1564rxvt_term::scr_cursor_visible (int mode) NOTHROW 1617rxvt_term::scr_cursor_visible (int mode) NOTHROW
1565{ 1618{
1566 want_refresh = 1; 1619 want_refresh = 1;
1567 1620
1568 if (mode) 1621 if (mode)
1575/* 1628/*
1576 * Set/unset automatic wrapping 1629 * Set/unset automatic wrapping
1577 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1630 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1578 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1631 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1579 */ 1632 */
1580void 1633void ecb_cold
1581rxvt_term::scr_autowrap (int mode) NOTHROW 1634rxvt_term::scr_autowrap (int mode) NOTHROW
1582{ 1635{
1583 if (mode) 1636 if (mode)
1584 screen.flags |= Screen_Autowrap; 1637 screen.flags |= Screen_Autowrap;
1585 else 1638 else
1594 * Relative mode: line numbers are relative to top margin of scrolling region 1647 * Relative mode: line numbers are relative to top margin of scrolling region
1595 * and the cursor cannot be moved outside. 1648 * and the cursor cannot be moved outside.
1596 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1649 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1597 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1650 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1598 */ 1651 */
1599void 1652void ecb_cold
1600rxvt_term::scr_relative_origin (int mode) NOTHROW 1653rxvt_term::scr_relative_origin (int mode) NOTHROW
1601{ 1654{
1602 if (mode) 1655 if (mode)
1603 screen.flags |= Screen_Relative; 1656 screen.flags |= Screen_Relative;
1604 else 1657 else
1611/* 1664/*
1612 * Set insert/replace mode 1665 * Set insert/replace mode
1613 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1666 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1614 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1667 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1615 */ 1668 */
1616void 1669void ecb_cold
1617rxvt_term::scr_insert_mode (int mode) NOTHROW 1670rxvt_term::scr_insert_mode (int mode) NOTHROW
1618{ 1671{
1619 if (mode) 1672 if (mode)
1620 screen.flags |= Screen_Insert; 1673 screen.flags |= Screen_Insert;
1621 else 1674 else
1627 * Set/Unset tabs 1680 * Set/Unset tabs
1628 * XTERM_SEQ: Set tab at current column : ESC H 1681 * XTERM_SEQ: Set tab at current column : ESC H
1629 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1682 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1630 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1683 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1631 */ 1684 */
1632void 1685void ecb_cold
1633rxvt_term::scr_set_tab (int mode) NOTHROW 1686rxvt_term::scr_set_tab (int mode) NOTHROW
1634{ 1687{
1635 if (mode < 0) 1688 if (mode < 0)
1636 memset (tabs, 0, ncol); 1689 memset (tabs, 0, ncol);
1637 else if (screen.cur.col < ncol) 1690 else if (screen.cur.col < ncol)
1656 if (rvideo_state != on) 1709 if (rvideo_state != on)
1657 { 1710 {
1658 rvideo_state = on; 1711 rvideo_state = on;
1659 1712
1660 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1713 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1661#ifdef HAVE_BG_PIXMAP 1714#ifdef HAVE_IMG
1662 if (bgPixmap.pixmap == None) 1715 if (bg_img == 0)
1663#endif 1716#endif
1664 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1717 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1665 1718
1666 XGCValues gcvalue; 1719 XGCValues gcvalue;
1667 gcvalue.foreground = pix_colors[Color_fg]; 1720 gcvalue.foreground = pix_colors[Color_fg];
1676/* ------------------------------------------------------------------------- */ 1729/* ------------------------------------------------------------------------- */
1677/* 1730/*
1678 * Report current cursor position 1731 * Report current cursor position
1679 * XTERM_SEQ: Report position: ESC [ 6 n 1732 * XTERM_SEQ: Report position: ESC [ 6 n
1680 */ 1733 */
1681void 1734void ecb_cold
1682rxvt_term::scr_report_position () NOTHROW 1735rxvt_term::scr_report_position () NOTHROW
1683{ 1736{
1684 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1737 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1685} 1738}
1686 1739
1689 * ------------------------------------------------------------------------- */ 1742 * ------------------------------------------------------------------------- */
1690 1743
1691/* 1744/*
1692 * Set font style 1745 * Set font style
1693 */ 1746 */
1694void 1747void ecb_cold
1695rxvt_term::set_font_style () NOTHROW 1748rxvt_term::set_font_style () NOTHROW
1696{ 1749{
1697#if 0 1750#if 0
1698 switch (charsets [screen.charset]) 1751 switch (charsets [screen.charset])
1699 { 1752 {
1721 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1774 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1722 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1775 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1723 * XTERM_SEQ: Invoke G2 character set: ESC N 1776 * XTERM_SEQ: Invoke G2 character set: ESC N
1724 * XTERM_SEQ: Invoke G3 character set: ESC O 1777 * XTERM_SEQ: Invoke G3 character set: ESC O
1725 */ 1778 */
1726void 1779void ecb_cold
1727rxvt_term::scr_charset_choose (int set) NOTHROW 1780rxvt_term::scr_charset_choose (int set) NOTHROW
1728{ 1781{
1729 screen.charset = set; 1782 screen.charset = set;
1730 set_font_style (); 1783 set_font_style ();
1731} 1784}
1752 * ------------------------------------------------------------------------- */ 1805 * ------------------------------------------------------------------------- */
1753 1806
1754/* 1807/*
1755 * refresh matching text. 1808 * refresh matching text.
1756 */ 1809 */
1757bool 1810bool ecb_cold
1758rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1811rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1759{ 1812{
1760 bool found = false; 1813 bool found = false;
1761 1814
1762 for (int i = 0; i < nrow; i++) 1815 for (int i = 0; i < nrow; i++)
1781 PART_BEG = 0, 1834 PART_BEG = 0,
1782 PART_END, 1835 PART_END,
1783 RC_COUNT 1836 RC_COUNT
1784}; 1837};
1785 1838
1786void 1839void ecb_hot
1787rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1840rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1788{ 1841{
1789 int i; 1842 int i;
1790 row_col_t rc[RC_COUNT]; 1843 row_col_t rc[RC_COUNT];
1791 1844
1811 for (i = PART_BEG; i < RC_COUNT; i++) 1864 for (i = PART_BEG; i < RC_COUNT; i++)
1812 { 1865 {
1813 min_it (rc[i].col, ncol - 1); 1866 min_it (rc[i].col, ncol - 1);
1814 min_it (rc[i].row, nrow - 1); 1867 min_it (rc[i].row, nrow - 1);
1815 } 1868 }
1816// TODO: this line somehow causes segfault if scr_expose() is called just after resize 1869
1817 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1870 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1818 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1871 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1819 1872
1820 num_scr_allow = 0; 1873 num_scr_allow = 0;
1821 1874
1828 * Refresh the entire screen 1881 * Refresh the entire screen
1829 */ 1882 */
1830void 1883void
1831rxvt_term::scr_touch (bool refresh) NOTHROW 1884rxvt_term::scr_touch (bool refresh) NOTHROW
1832{ 1885{
1833 scr_expose (0, 0, width, height, refresh); 1886 scr_expose (0, 0, vt_width, vt_height, refresh);
1834} 1887}
1835 1888
1836/* ------------------------------------------------------------------------- */ 1889/* ------------------------------------------------------------------------- */
1837/* 1890/*
1838 * Move the display so that the line represented by scrollbar value Y is at 1891 * Move the display so that the line represented by scrollbar value Y is at
1894 1947
1895# ifndef NO_MAPALERT 1948# ifndef NO_MAPALERT
1896# ifdef MAPALERT_OPTION 1949# ifdef MAPALERT_OPTION
1897 if (option (Opt_mapAlert)) 1950 if (option (Opt_mapAlert))
1898# endif 1951# endif
1899 XMapWindow (dpy, parent[0]); 1952 XMapWindow (dpy, parent);
1900# endif 1953# endif
1901 1954
1902# if ENABLE_FRILLS 1955# if ENABLE_FRILLS
1903 if (option (Opt_urgentOnBell)) 1956 if (option (Opt_urgentOnBell))
1904 { 1957 set_urgency (1);
1905 if (XWMHints *h = XGetWMHints(dpy, parent[0]))
1906 {
1907 h->flags |= XUrgencyHint;
1908 XSetWMHints (dpy, parent[0], h);
1909 }
1910 }
1911# endif 1958# endif
1912 1959
1913 if (option (Opt_visualBell)) 1960 if (option (Opt_visualBell))
1914 { 1961 {
1915 rvideo_bell = true; 1962 rvideo_bell = true;
1918 1965
1919 bell_ev.start (VISUAL_BELL_DURATION); 1966 bell_ev.start (VISUAL_BELL_DURATION);
1920 } 1967 }
1921 else 1968 else
1922 XBell (dpy, 0); 1969 XBell (dpy, 0);
1970 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1923#endif 1971#endif
1924} 1972}
1925 1973
1926/* ------------------------------------------------------------------------- */ 1974/* ------------------------------------------------------------------------- */
1927/* ARGSUSED */ 1975void ecb_cold
1928void
1929rxvt_term::scr_printscreen (int fullhist) NOTHROW 1976rxvt_term::scr_printscreen (int fullhist) NOTHROW
1930{ 1977{
1931#ifdef PRINTPIPE 1978#ifdef PRINTPIPE
1932 int nrows, row_start; 1979 int nrows, row_start;
1933 FILE *fd = popen_printer (); 1980 FILE *fd = popen_printer ();
1946 row_start = view_start; 1993 row_start = view_start;
1947 } 1994 }
1948 1995
1949 wctomb (0, 0); 1996 wctomb (0, 0);
1950 1997
1951 for (int r1 = 0; r1 < nrows; r1++) 1998 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1952 { 1999 {
1953 text_t *tp = ROW(r1).t; 2000 text_t *tp = ROW(r1).t;
1954 int len = ROW(r1).l; 2001 int len = ROW(r1).l;
1955 2002
1956 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 2003 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1982/* 2029/*
1983 * Refresh the screen 2030 * Refresh the screen
1984 * drawn_text/drawn_rend contain the screen information before the update. 2031 * drawn_text/drawn_rend contain the screen information before the update.
1985 * screen.text/screen.rend contain what the screen will change to. 2032 * screen.text/screen.rend contain what the screen will change to.
1986 */ 2033 */
1987void 2034void ecb_hot
1988rxvt_term::scr_refresh () NOTHROW 2035rxvt_term::scr_refresh () NOTHROW
1989{ 2036{
1990 unsigned char have_bg,
1991 showcursor; /* show the cursor */
1992 int16_t col, row, /* column/row we're processing */ 2037 int16_t col, row, /* column/row we're processing */
1993 ocrow; /* old cursor row */ 2038 ocrow; /* old cursor row */
1994 int i; /* tmp */ 2039 int i; /* tmp */
1995#ifndef NO_CURSORCOLOR 2040#ifndef NO_CURSORCOLOR
1996 rend_t cc1; /* store colours at cursor position (s) */ 2041 rend_t cc1; /* store colours at cursor position (s) */
2007 /* 2052 /*
2008 * A: set up vars 2053 * A: set up vars
2009 */ 2054 */
2010 refresh_count = 0; 2055 refresh_count = 0;
2011 2056
2057 unsigned int old_screen_flags = screen.flags;
2012 have_bg = 0; 2058 bool have_bg = 0;
2013#ifdef HAVE_BG_PIXMAP 2059#ifdef HAVE_IMG
2014 have_bg = bgPixmap.pixmap != None; 2060 have_bg = bg_img != 0;
2015#endif 2061#endif
2016 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2062 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2017 2063
2018 /* 2064 /*
2019 * B: reverse any characters which are selected 2065 * B: reverse any characters which are selected
2020 */ 2066 */
2021 scr_reverse_selection (); 2067 scr_reverse_selection ();
2022 2068
2069 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2070#if ENABLE_OVERLAY
2071 scr_swap_overlay ();
2072#endif
2073
2074 bool showcursor = screen.flags & Screen_VisibleCursor;
2075
2023 /* 2076 /*
2024 * C: set the cursor character (s) 2077 * C: set the cursor character (s)
2025 */ 2078 */
2026 { 2079 {
2027 unsigned char setoldcursor; 2080 bool setoldcursor;
2028 2081
2029 showcursor = (screen.flags & Screen_VisibleCursor);
2030#ifdef CURSOR_BLINK 2082#ifdef CURSOR_BLINK
2031 if (hidden_cursor) 2083 if (hidden_cursor)
2032 showcursor = 0; 2084 showcursor = 0;
2033#endif 2085#endif
2034 2086
2062 ccol2 = bgcolor_of (rstyle); 2114 ccol2 = bgcolor_of (rstyle);
2063#else 2115#else
2064 ccol2 = Color_bg; 2116 ccol2 = Color_bg;
2065#endif 2117#endif
2066 2118
2067 if (showcursor && focus) 2119 if (focus)
2068 { 2120 {
2069 if (option (Opt_cursorUnderline)) 2121 if (option (Opt_cursorUnderline))
2070 *crp ^= RS_Uline; 2122 *crp ^= RS_Uline;
2071 else 2123 else
2072 { 2124 {
2107 oldcursor.col = screen.cur.col; 2159 oldcursor.col = screen.cur.col;
2108 } 2160 }
2109 } 2161 }
2110 } 2162 }
2111 2163
2112 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2113#if ENABLE_OVERLAY
2114 scr_swap_overlay ();
2115#endif
2116
2117#ifndef NO_SLOW_LINK_SUPPORT 2164#ifndef NO_SLOW_LINK_SUPPORT
2118 /* 2165 /*
2119 * D: CopyArea pass - very useful for slower links 2166 * D: CopyArea pass - very useful for slower links
2120 * This has been deliberately kept simple. 2167 * This has been deliberately kept simple.
2121 */ 2168 */
2125 { 2172 {
2126 int16_t nits; 2173 int16_t nits;
2127 int i = num_scr; 2174 int i = num_scr;
2128 int j; 2175 int j;
2129 int len, wlen; 2176 int len, wlen;
2130 dLocal (int, num_scr);
2131 2177
2132 j = nrow; 2178 j = nrow;
2133 wlen = len = -1; 2179 wlen = len = -1;
2134 row = i > 0 ? 0 : j - 1; 2180 row = i > 0 ? 0 : j - 1;
2135 2181
2210 continue; 2256 continue;
2211 2257
2212 // redraw one or more characters 2258 // redraw one or more characters
2213 2259
2214 // seek to the beginning of wide characters 2260 // seek to the beginning of wide characters
2215 while (expect_false (stp[col] == NOCHAR && col > 0)) 2261 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2216 --col; 2262 --col;
2217 2263
2218 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2264 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2219 text_t *text = stp + col; 2265 text_t *text = stp + col;
2220 int count = 1; 2266 int count = 1;
2221 2267
2222 dtp[col] = stp[col]; 2268 dtp[col] = stp[col];
2223 drp[col] = rend; 2269 drp[col] = rend;
2227 for (i = 0; ++col < ncol; ) 2273 for (i = 0; ++col < ncol; )
2228 { 2274 {
2229 if (stp[col] == NOCHAR) 2275 if (stp[col] == NOCHAR)
2230 { 2276 {
2231 dtp[col] = stp[col]; 2277 dtp[col] = stp[col];
2232 drp[col] = rend; 2278 drp[col] = srp[col];
2279
2233 count++; 2280 count++;
2234 i++; 2281 i++;
2235 2282
2236 continue; 2283 continue;
2237 } 2284 }
2257 2304
2258 col--; /* went one too far. move back */ 2305 col--; /* went one too far. move back */
2259 count -= i; /* dump any matching trailing chars */ 2306 count -= i; /* dump any matching trailing chars */
2260 2307
2261 // sometimes we optimize away the trailing NOCHAR's, add them back 2308 // sometimes we optimize away the trailing NOCHAR's, add them back
2262 while (expect_false (i && text[count] == NOCHAR)) 2309 while (ecb_unlikely (i && text[count] == NOCHAR))
2263 count++, i--; 2310 count++, i--;
2264 2311
2265 /* 2312 /*
2266 * Determine the attributes for the string 2313 * Determine the attributes for the string
2267 */ 2314 */
2268 int fore = fgcolor_of (rend); // desired foreground 2315 int fore = fgcolor_of (rend); // desired foreground
2269 int back = bgcolor_of (rend); // desired background 2316 int back = bgcolor_of (rend); // desired background
2270 2317
2271 // only do special processing if any attributes are set, which is unlikely 2318 // only do special processing if any attributes are set, which is unlikely
2272 if (expect_false (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))) 2319 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2273 { 2320 {
2274 bool invert = rend & RS_RVid; 2321 bool invert = rend & RS_RVid;
2275 2322
2276#ifndef NO_BOLD_UNDERLINE_REVERSE 2323#ifndef NO_BOLD_UNDERLINE_REVERSE
2277 if (rend & RS_Bold && fore == Color_fg) 2324 if (rend & RS_Bold && fore == Color_fg)
2296 2343
2297 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL)) 2344 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2298 fore = Color_UL; 2345 fore = Color_UL;
2299#endif 2346#endif
2300 2347
2348#ifdef OPTION_HC
2349 if (rend & RS_Sel)
2350 {
2351 /* invert the column if no highlightColor is set or it is the
2352 * current cursor column */
2353 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2354 && ISSET_PIXCOLOR (Color_HC))
2355 {
2356 if (ISSET_PIXCOLOR (Color_HTC))
2357 fore = Color_HTC;
2358 // if invert is 0 reverse video is set so we use bg color as fg color
2359 else if (!invert)
2360 fore = back;
2361
2362 back = Color_HC;
2363 invert = 0;
2364 }
2365 }
2366#endif
2367
2301 if (invert) 2368 if (invert)
2302 { 2369 {
2303#ifdef OPTION_HC
2304 if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2305 || !ISSET_PIXCOLOR (Color_HC))
2306#endif
2307 /* invert the column if no highlightColor is set or it is the
2308 * current cursor column */
2309 ::swap (fore, back); 2370 ::swap (fore, back);
2310#ifdef OPTION_HC
2311 else if (ISSET_PIXCOLOR (Color_HC))
2312 back = Color_HC;
2313#endif
2314 2371
2315#ifndef NO_BOLD_UNDERLINE_REVERSE 2372#ifndef NO_BOLD_UNDERLINE_REVERSE
2316# ifndef OPTION_HC
2317 if (ISSET_PIXCOLOR (Color_RV))
2318 back = Color_RV;
2319# endif
2320 if (fore == back) 2373 if (fore == back)
2321 { 2374 {
2322 fore = Color_bg; 2375 fore = Color_bg;
2323 back = Color_fg; 2376 back = Color_fg;
2324 } 2377 }
2360 /* 2413 /*
2361 * Actually do the drawing of the string here 2414 * Actually do the drawing of the string here
2362 */ 2415 */
2363 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2416 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2364 2417
2365 if (expect_true (have_bg && back == Color_bg)) 2418 if (ecb_likely (have_bg && back == Color_bg))
2366 { 2419 {
2367 // this is very ugly, maybe push it into ->draw? 2420 // this is very ugly, maybe push it into ->draw?
2368 2421
2369 for (i = 0; i < count; i++) /* don't draw empty strings */ 2422 for (i = 0; i < count; i++) /* don't draw empty strings */
2370 if (text[i] != ' ') 2423 if (text[i] != ' ')
2377 did_clear: ; 2430 did_clear: ;
2378 } 2431 }
2379 else 2432 else
2380 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2433 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2381 2434
2382 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2435 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2383 { 2436 {
2384#if ENABLE_FRILLS 2437#if ENABLE_FRILLS
2385 if (ISSET_PIXCOLOR (Color_underline)) 2438 if (ISSET_PIXCOLOR (Color_underline))
2386 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2387 else 2440 else
2392 xpixel, ypixel + font->ascent + 1, 2445 xpixel, ypixel + font->ascent + 1,
2393 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2394 } 2447 }
2395 } /* for (col....) */ 2448 } /* for (col....) */
2396 } /* for (row....) */ 2449 } /* for (row....) */
2397
2398#if ENABLE_OVERLAY
2399 scr_swap_overlay ();
2400#endif
2401 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2402 2450
2403 /* 2451 /*
2404 * G: cleanup cursor and display outline cursor if necessary 2452 * G: cleanup cursor and display outline cursor if necessary
2405 */ 2453 */
2406 if (showcursor) 2454 if (showcursor)
2438 2486
2439 XDrawRectangle (dpy, vt, gc, 2487 XDrawRectangle (dpy, vt, gc,
2440 Col2Pixel (col), 2488 Col2Pixel (col),
2441 Row2Pixel (oldcursor.row), 2489 Row2Pixel (oldcursor.row),
2442 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2490 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2443 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2491 (unsigned int) (Height2Pixel (1) - 1));
2444 } 2492 }
2445 } 2493 }
2446 2494
2447 /* 2495 /*
2448 * H: cleanup selection 2496 * H: cleanup selection
2449 */ 2497 */
2498#if ENABLE_OVERLAY
2499 scr_swap_overlay ();
2500#endif
2501 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2502
2450 scr_reverse_selection (); 2503 scr_reverse_selection ();
2451 2504
2505 screen.flags = old_screen_flags;
2452 num_scr = 0; 2506 num_scr = 0;
2453 num_scr_allow = 1; 2507 num_scr_allow = 1;
2454} 2508}
2455 2509
2456void 2510void ecb_cold
2457rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2511rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2458{ 2512{
2459 if (!l.t) 2513 if (!l.valid ())
2460 return; 2514 return;
2461 2515
2462 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2516 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2463 2517
2464 for (int i = ncol; i--; ) 2518 for (int i = ncol; i--; )
2465 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2519 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2466} 2520}
2467 2521
2468void 2522void ecb_cold
2469rxvt_term::scr_remap_chars () NOTHROW 2523rxvt_term::scr_remap_chars () NOTHROW
2470{ 2524{
2471 for (int i = total_rows; i--; ) 2525 for (int i = total_rows; i--; )
2472 scr_remap_chars (row_buf [i]); 2526 scr_remap_chars (row_buf [i]);
2473 2527
2476 scr_remap_chars (drawn_buf [i]); 2530 scr_remap_chars (drawn_buf [i]);
2477 scr_remap_chars (swap_buf [i]); 2531 scr_remap_chars (swap_buf [i]);
2478 } 2532 }
2479} 2533}
2480 2534
2481void 2535void ecb_cold
2482rxvt_term::scr_recolour () NOTHROW 2536rxvt_term::scr_recolour (bool refresh) NOTHROW
2483{ 2537{
2484#ifdef HAVE_BG_PIXMAP 2538 bool transparent = false;
2485 bgPixmap.apply ();
2486#else
2487 2539
2540#ifdef HAVE_IMG
2541 if (bg_img != 0)
2542 {
2543# if ENABLE_TRANSPARENCY
2544 if (bg_flags & BG_IS_TRANSPARENT)
2545 {
2546 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2547 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2548
2549 transparent = true;
2550 }
2551 else
2552# endif
2553 {
2554 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2555 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2556 }
2557 }
2558 else
2559#endif
2560 {
2488 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2561 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2489 XClearWindow (dpy, parent[0]);
2490 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2562 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2563 }
2564
2565 XClearWindow (dpy, parent);
2491 2566
2492 if (scrollBar.win) 2567 if (scrollBar.win)
2493 { 2568 {
2569 if (transparent)
2570 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2571 else
2494 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2572 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2495 scrollBar.state = STATE_IDLE; 2573 scrollBar.state = SB_STATE_IDLE;
2496 scrollBar.show (0); 2574 scrollBar.show (0);
2497 } 2575 }
2498 2576
2499#endif 2577 if (refresh)
2500 2578 {
2501 /* bgPixmap.apply () does not do the following : */
2502 scr_clear (); 2579 scr_clear ();
2503 scr_touch (true); 2580 scr_touch (true);
2581 }
2504 want_refresh = 1; 2582 want_refresh = 1;
2505} 2583}
2506 2584
2507/* ------------------------------------------------------------------------- */ 2585/* ------------------------------------------------------------------------- */
2508void 2586void
2565 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2643 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2566 srp[col] ^= rstyle; 2644 srp[col] ^= rstyle;
2567} 2645}
2568 2646
2569/* ------------------------------------------------------------------------- */ 2647/* ------------------------------------------------------------------------- */
2570void 2648void ecb_hot
2571rxvt_term::scr_reverse_selection () NOTHROW 2649rxvt_term::scr_reverse_selection () NOTHROW
2572{ 2650{
2573 if (selection.op 2651 if (selection.op
2574 && current_screen == selection.screen 2652 && current_screen == selection.screen
2575 && selection.end.row >= view_start) 2653 && selection.end.row >= view_start)
2576 { 2654 {
2577#if !ENABLE_MINIMAL 2655#if !ENABLE_MINIMAL
2578 if (selection.rect) 2656 if (selection.rect)
2579 scr_xor_rect (selection.beg.row, selection.beg.col, 2657 scr_xor_rect (selection.beg.row, selection.beg.col,
2580 selection.end.row, selection.end.col, 2658 selection.end.row, selection.end.col,
2581 RS_RVid, RS_RVid | RS_Uline); 2659 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2582 else 2660 else
2583#endif 2661#endif
2584 scr_xor_span (selection.beg.row, selection.beg.col, 2662 scr_xor_span (selection.beg.row, selection.beg.col,
2585 selection.end.row, selection.end.col, 2663 selection.end.row, selection.end.col,
2586 RS_RVid); 2664 RS_Sel | RS_RVid);
2587 } 2665 }
2588} 2666}
2589 2667
2590/* ------------------------------------------------------------------------- */ 2668/* ------------------------------------------------------------------------- */
2591/* 2669/*
2594 */ 2672 */
2595#if 0 2673#if 0
2596void 2674void
2597rxvt_term::scr_dump (int fd) NOTHROW 2675rxvt_term::scr_dump (int fd) NOTHROW
2598{ 2676{
2599 int row, wrote; 2677 // if this method is needed, it can be implemented by factoring the
2600 unsigned int width, towrite; 2678 // relevant code in scr_printscreen
2601 char r1[] = "\n";
2602
2603 for (row = saveLines + top_row;
2604 row < saveLines + nrow - 1; row++)
2605 {
2606 width = row_buf[row].l >= 0 ? row_buf[row].l
2607 : ncol;
2608 for (towrite = width; towrite; towrite -= wrote)
2609 {
2610 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2611 towrite);
2612 if (wrote < 0)
2613 return; /* XXX: death, no report */
2614 }
2615 if (row_buf[row].l >= 0)
2616 if (write (fd, r1, 1) <= 0)
2617 return; /* XXX: death, no report */
2618 }
2619} 2679}
2620#endif 2680#endif
2621 2681
2622/* ------------------------------------------------------------------------- * 2682/* ------------------------------------------------------------------------- *
2623 * CHARACTER SELECTION * 2683 * CHARACTER SELECTION *
2624 * ------------------------------------------------------------------------- */ 2684 * ------------------------------------------------------------------------- */
2625void 2685void
2626rxvt_term::selection_check (int check_more) NOTHROW 2686rxvt_term::selection_check (int check_more) NOTHROW
2627{ 2687{
2628 row_col_t pos;
2629
2630 if (!selection.op) 2688 if (!selection.op)
2631 return; 2689 return;
2632 2690
2633 pos.row = pos.col = 0;
2634 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2691 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2635 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2692 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2636 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2693 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2637 || (check_more == 1 2694 || (check_more == 1
2638 && current_screen == selection.screen 2695 && current_screen == selection.screen
2639 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2696 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2640 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2697 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2641 || (check_more == 2
2642 && ROWCOL_IS_BEFORE (selection.beg, pos)
2643 && ROWCOL_IS_AFTER (selection.end, pos))
2644 || (check_more == 3
2645 && ROWCOL_IS_AFTER (selection.end, pos))
2646 || (check_more == 4 /* screen width change */
2647 && (selection.beg.row != selection.end.row
2648 || selection.end.col > ncol)))
2649 CLEAR_SELECTION (); 2698 CLEAR_ALL_SELECTION ();
2650} 2699}
2651 2700
2652/* ------------------------------------------------------------------------- */ 2701/* ------------------------------------------------------------------------- */
2653/* 2702/*
2654 * Paste a selection direct to the command fd 2703 * Paste a selection direct to the command fd
2655 */ 2704 */
2656void 2705void
2657rxvt_term::paste (char *data, unsigned int len) NOTHROW 2706rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2658{ 2707{
2659 /* convert normal newline chars into common keyboard Return key sequence */ 2708 /* convert normal newline chars into common keyboard Return key sequence */
2660 for (unsigned int i = 0; i < len; i++) 2709 for (unsigned int i = 0; i < len; i++)
2661 if (data[i] == C0_LF) 2710 if (data[i] == C0_LF)
2662 data[i] = C0_CR; 2711 data[i] = C0_CR;
2663 2712
2664 if (priv_modes & PrivMode_BracketPaste) 2713 if (priv_modes & PrivMode_BracketPaste)
2665 tt_printf ("\e[200~"); 2714 tt_printf ("\x1b[200~");
2666 2715
2667 tt_write (data, len); 2716 tt_write (data, len);
2668 2717
2669 if (priv_modes & PrivMode_BracketPaste) 2718 if (priv_modes & PrivMode_BracketPaste)
2670 tt_printf ("\e[201~"); 2719 tt_printf ("\x1b[201~");
2671} 2720}
2672 2721
2673/* ------------------------------------------------------------------------- */
2674/*
2675 * Respond to a notification that a primary selection has been sent
2676 * EXT: SelectionNotify
2677 */
2678void 2722void
2679rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW 2723rxvt_term::paste (char *data, unsigned int len) NOTHROW
2680{ 2724{
2681 if (prop == None) /* check for failed XConvertSelection */ 2725 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2682 {
2683 if ((selection_type & Sel_CompoundText))
2684 {
2685 int selnum = selection_type & Sel_whereMask;
2686
2687 selection_type = 0;
2688 if (selnum != Sel_direct)
2689 selection_request_other (XA_STRING, selnum);
2690 }
2691
2692 if ((selection_type & Sel_UTF8String))
2693 {
2694 int selnum = selection_type & Sel_whereMask;
2695
2696 selection_type = Sel_CompoundText;
2697 if (selnum != Sel_direct)
2698 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2699 else
2700 selection_type = 0;
2701 }
2702
2703 return;
2704 }
2705
2706 unsigned long bytes_after;
2707 XTextProperty ct;
2708
2709 if (XGetWindowProperty (dpy, win, prop,
2710 0, PROP_SIZE / 4,
2711 delete_prop, AnyPropertyType,
2712 &ct.encoding, &ct.format,
2713 &ct.nitems, &bytes_after,
2714 &ct.value) != Success)
2715 {
2716 ct.value = 0;
2717 goto bailout;
2718 }
2719
2720 if (ct.encoding == None)
2721 goto bailout;
2722
2723 if (bytes_after)
2724 {
2725 // fetch and append remaining data
2726 XTextProperty ct2;
2727
2728 if (XGetWindowProperty (dpy, win, prop,
2729 ct.nitems / 4, (bytes_after + 3) / 4,
2730 delete_prop, AnyPropertyType,
2731 &ct2.encoding, &ct2.format,
2732 &ct2.nitems, &bytes_after,
2733 &ct2.value) != Success)
2734 goto bailout;
2735
2736 // realloc should be compatible to XFree, here, and elsewhere, too
2737 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2738 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2739 ct.nitems += ct2.nitems;
2740
2741 XFree (ct2.value);
2742 }
2743
2744 if (ct.value == 0)
2745 goto bailout;
2746
2747 if (ct.encoding == xa[XA_INCR])
2748 {
2749 // INCR selection, start handshake
2750 if (!delete_prop)
2751 XDeleteProperty (dpy, win, prop);
2752
2753 selection_wait = Sel_incr;
2754 incr_buf_fill = 0;
2755 incr_ev.start (10);
2756
2757 goto bailout;
2758 }
2759
2760 if (ct.nitems == 0)
2761 {
2762 if (selection_wait == Sel_incr)
2763 {
2764 XFree (ct.value);
2765
2766 // finally complete, now paste the whole thing
2767 selection_wait = Sel_normal;
2768 ct.value = (unsigned char *)incr_buf;
2769 ct.nitems = incr_buf_fill;
2770 incr_buf = 0;
2771 incr_buf_size = 0;
2772 incr_ev.stop ();
2773 }
2774 else
2775 {
2776 if (selection_wait == Sel_normal
2777 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2778 {
2779 /*
2780 * pass through again trying CUT_BUFFER0 if we've come from
2781 * XConvertSelection () but nothing was presented
2782 */
2783 selection_paste (display->root, XA_CUT_BUFFER0, False);
2784 }
2785
2786 goto bailout;
2787 }
2788 }
2789 else if (selection_wait == Sel_incr)
2790 {
2791 incr_ev.start (10);
2792
2793 while (incr_buf_fill + ct.nitems > incr_buf_size)
2794 {
2795 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2796 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2797 }
2798
2799 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2800 incr_buf_fill += ct.nitems;
2801
2802 goto bailout;
2803 }
2804
2805 char **cl;
2806 int cr;
2807
2808#if !ENABLE_MINIMAL
2809 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2810 // so recode it manually
2811 if (ct.encoding == xa[XA_UTF8_STRING])
2812 {
2813 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2814 char *s = rxvt_wcstombs (w);
2815 free (w);
2816 // TODO: strlen == only the first element will be converted. well...
2817 paste (s, strlen (s));
2818 free (s);
2819 }
2820 else
2821#endif
2822 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2823 && cl)
2824 {
2825 for (int i = 0; i < cr; i++)
2826 paste (cl[i], strlen (cl[i]));
2827
2828 XFreeStringList (cl);
2829 }
2830 else
2831 paste ((char *)ct.value, ct.nitems); // paste raw
2832
2833bailout:
2834 XFree (ct.value);
2835
2836 if (selection_wait == Sel_normal)
2837 selection_wait = Sel_none;
2838}
2839
2840void
2841rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2842{
2843 selection_wait = Sel_none;
2844
2845 incr_buf_size = 0;
2846 free (incr_buf);
2847
2848 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2849}
2850
2851void
2852rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2853{
2854 if (prop == None || selection_wait != Sel_incr)
2855 return; 2726 return;
2856 2727
2857 selection_paste (win, prop, true); 2728 tt_paste (data, len);
2858} 2729}
2859 2730
2860/* ------------------------------------------------------------------------- */ 2731/* ------------------------------------------------------------------------- */
2861/* 2732/*
2862 * Request the current selection: 2733 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2863 * Order: > internal selection if available 2734 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2864 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2735 * as fallback
2865 * > CUT_BUFFER0
2866 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2867 * will auto fallback to CUT_BUFFER0
2868 * EXT: button 2 release 2736 * EXT: button 2 release
2869 */ 2737 */
2870void 2738void
2871rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2739rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2872{ 2740{
2873 if (selection.text && selnum == Sel_Primary) 2741 if (!selection_req)
2874 {
2875 /* internal selection */
2876 char *str = rxvt_wcstombs (selection.text, selection.len);
2877 paste (str, strlen (str));
2878 free (str);
2879 return;
2880 } 2742 {
2881 else 2743 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2744 selection_req->run ();
2882 { 2745 }
2883 selection_request_time = tm;
2884 selection_wait = Sel_normal;
2885
2886#if X_HAVE_UTF8_STRING
2887 selection_type = Sel_UTF8String;
2888 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2889 return;
2890#else
2891 selection_type = Sel_CompoundText;
2892 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2893 return;
2894#endif
2895 }
2896
2897 selection_wait = Sel_none; /* don't loop in selection_paste () */
2898 selection_paste (display->root, XA_CUT_BUFFER0, false);
2899}
2900
2901int
2902rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2903{
2904 Atom sel;
2905
2906 selection_type |= selnum;
2907
2908 if (selnum == Sel_Primary)
2909 sel = XA_PRIMARY;
2910 else if (selnum == Sel_Secondary)
2911 sel = XA_SECONDARY;
2912 else
2913 sel = xa[XA_CLIPBOARD];
2914
2915 if (XGetSelectionOwner (dpy, sel) != None)
2916 {
2917 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2918 vt, selection_request_time);
2919 return 1;
2920 }
2921
2922 return 0;
2923} 2746}
2924 2747
2925/* ------------------------------------------------------------------------- */ 2748/* ------------------------------------------------------------------------- */
2926/* 2749/*
2927 * Clear all selected text 2750 * Clear all selected text
2928 * EXT: SelectionClear 2751 * EXT: SelectionClear
2929 */ 2752 */
2930void 2753void
2931rxvt_term::selection_clear () NOTHROW 2754rxvt_term::selection_clear (bool clipboard) NOTHROW
2932{ 2755{
2756 if (!clipboard)
2757 {
2933 want_refresh = 1; 2758 want_refresh = 1;
2934 free (selection.text); 2759 free (selection.text);
2935 selection.text = NULL; 2760 selection.text = NULL;
2936 selection.len = 0; 2761 selection.len = 0;
2937 CLEAR_SELECTION (); 2762 CLEAR_SELECTION ();
2938 2763
2939 if (display->selection_owner == this) 2764 if (display->selection_owner == this)
2940 display->selection_owner = 0; 2765 display->selection_owner = 0;
2766 }
2767 else
2768 {
2769 free (selection.clip_text);
2770 selection.clip_text = NULL;
2771 selection.clip_len = 0;
2772
2773 if (display->clipboard_owner == this)
2774 display->clipboard_owner = 0;
2775 }
2941} 2776}
2942 2777
2943/* ------------------------------------------------------------------------- */ 2778/* ------------------------------------------------------------------------- */
2944/* 2779/*
2945 * Copy a selection into the cut buffer 2780 * Copy a selection into the cut buffer
2946 * EXT: button 1 or 3 release 2781 * EXT: button 1 or 3 release
2947 */ 2782 */
2948void 2783void
2949rxvt_term::selection_make (Time tm) 2784rxvt_term::selection_make (Time tm)
2950{ 2785{
2951 int i; 2786 int size;
2952 wchar_t *new_selection_text; 2787 wchar_t *new_selection_text;
2953 text_t *t; 2788 text_t *t;
2954 2789
2955 switch (selection.op) 2790 switch (selection.op)
2956 { 2791 {
2972 return; /* nothing selected, go away */ 2807 return; /* nothing selected, go away */
2973 2808
2974 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2809 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2975 return; 2810 return;
2976 2811
2977 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2812 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2978 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2813 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2979 2814
2980 int ofs = 0; 2815 int ofs = 0;
2981 int extra = 0; 2816 int extra = 0;
2982 2817
2983 int col = selection.beg.col; 2818 int col = selection.beg.col;
2989 { 2824 {
2990#if !ENABLE_MINIMAL 2825#if !ENABLE_MINIMAL
2991 if (selection.rect) 2826 if (selection.rect)
2992 { 2827 {
2993 col = selection.beg.col; 2828 col = selection.beg.col;
2994 end_col = ncol + 1; 2829 end_col = selection.end.col;
2995 } 2830 }
2996 else 2831 else
2997#endif 2832#endif
2998 end_col = ROW(row).l; 2833 end_col = ROW(row).l;
2999 2834
3000 col = max (col, 0); 2835 col = max (col, 0);
3001 2836
3002 if (row == selection.end.row 2837 if (row == selection.end.row)
3003#if !ENABLE_MINIMAL
3004 || selection.rect
3005#endif
3006 )
3007 min_it (end_col, selection.end.col); 2838 min_it (end_col, selection.end.col);
3008 2839
3009 t = ROW(row).t + col; 2840 t = ROW(row).t + col;
3010 2841
3011 for (; col < end_col; col++) 2842 for (; col < end_col; col++)
3019 2850
3020 extra -= (len - 1); 2851 extra -= (len - 1);
3021 2852
3022 if (extra < 0) 2853 if (extra < 0)
3023 { 2854 {
3024 extra += i; 2855 extra += size;
3025 i += i; 2856 size += size;
3026 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2857 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3027 } 2858 }
3028 2859
3029 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2860 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3030 } 2861 }
3031#endif 2862#endif
3043 2874
3044 new_selection_text[ofs++] = C0_LF; 2875 new_selection_text[ofs++] = C0_LF;
3045 } 2876 }
3046 else 2877 else
3047#endif 2878#endif
3048 if (!ROW(row).is_longer () && row != selection.end.row) 2879 if (!ROW(row).is_longer ()
2880 && (row != selection.end.row || end_col != selection.end.col)
2881 && (row != selection.beg.row || selection.beg.col < ncol))
3049 new_selection_text[ofs++] = C0_LF; 2882 new_selection_text[ofs++] = C0_LF;
3050 } 2883 }
3051
3052 if (end_col != selection.end.col)
3053 new_selection_text[ofs++] = C0_LF;
3054 2884
3055 new_selection_text[ofs] = 0; 2885 new_selection_text[ofs] = 0;
3056 2886
3057 if (ofs == 0) 2887 if (ofs == 0)
3058 { 2888 {
3071 2901
3072 selection_grab (tm); 2902 selection_grab (tm);
3073} 2903}
3074 2904
3075bool 2905bool
3076rxvt_term::selection_grab (Time tm) NOTHROW 2906rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
3077{ 2907{
2908 Atom sel;
2909
2910 if (!clipboard)
2911 {
3078 selection_time = tm; 2912 selection_time = tm;
2913 sel = XA_PRIMARY;
2914 }
2915 else
2916 {
2917 clipboard_time = tm;
2918 sel = xa[XA_CLIPBOARD];
2919 }
3079 2920
3080 XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm); 2921 XSetSelectionOwner (dpy, sel, vt, tm);
3081 if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt) 2922 if (XGetSelectionOwner (dpy, sel) == vt)
3082 { 2923 {
3083 display->set_selection_owner (this); 2924 display->set_selection_owner (this, clipboard);
3084 return true; 2925 return true;
3085 } 2926 }
3086 else 2927 else
3087 { 2928 {
3088 selection_clear (); 2929 selection_clear (clipboard);
3089 return false; 2930 return false;
3090 } 2931 }
3091 2932
3092#if 0 2933#if 0
3093 XTextProperty ct; 2934 XTextProperty ct;
3103/* ------------------------------------------------------------------------- */ 2944/* ------------------------------------------------------------------------- */
3104/* 2945/*
3105 * Mark or select text based upon number of clicks: 1, 2, or 3 2946 * Mark or select text based upon number of clicks: 1, 2, or 3
3106 * EXT: button 1 press 2947 * EXT: button 1 press
3107 */ 2948 */
3108void 2949void ecb_cold
3109rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2950rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3110{ 2951{
3111 clicks = ((clicks - 1) % 3) + 1; 2952 clicks = ((clicks - 1) % 3) + 1;
3112 selection.clicks = clicks; /* save clicks so extend will work */ 2953 selection.clicks = clicks; /* save clicks so extend will work */
3113 2954
3132 2973
3133/* ------------------------------------------------------------------------- */ 2974/* ------------------------------------------------------------------------- */
3134/* 2975/*
3135 * Mark a selection at the specified col/row 2976 * Mark a selection at the specified col/row
3136 */ 2977 */
3137void 2978void ecb_cold
3138rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2979rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3139{ 2980{
3140 want_refresh = 1; 2981 want_refresh = 1;
3141 2982
3142 selection.mark.row = row + view_start; 2983 selection.mark.row = row + view_start;
3169/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3010/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3170#define DELIMIT_TEXT(x) \ 3011#define DELIMIT_TEXT(x) \
3171 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3012 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3172#define DELIMIT_REND(x) 1 3013#define DELIMIT_REND(x) 1
3173 3014
3174void 3015void ecb_cold
3175rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3016rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3176{ 3017{
3177 int col, row, dirnadd, tcol, trow, w1, w2; 3018 int col, row, dirnadd, tcol, trow, w1, w2;
3178 row_col_t bound; 3019 row_col_t bound;
3179 text_t *stp; 3020 text_t *stp;
3253 * EXT: button 3 press; button 1 or 3 drag 3094 * EXT: button 3 press; button 1 or 3 drag
3254 * flag == 0 ==> button 1 3095 * flag == 0 ==> button 1
3255 * flag == 1 ==> button 3 press 3096 * flag == 1 ==> button 3 press
3256 * flag == 2 ==> button 3 motion 3097 * flag == 2 ==> button 3 motion
3257 */ 3098 */
3258void 3099void ecb_cold
3259rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3100rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3260{ 3101{
3261 int col = clamp (Pixel2Col (x), 0, ncol); 3102 int col = clamp (Pixel2Col (x), 0, ncol);
3262 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3103 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3263 3104
3289 3130
3290/* ------------------------------------------------------------------------- */ 3131/* ------------------------------------------------------------------------- */
3291/* 3132/*
3292 * Extend the selection to the specified col/row 3133 * Extend the selection to the specified col/row
3293 */ 3134 */
3294void 3135void ecb_cold
3295rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3136rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3296{ 3137{
3297 row_col_t pos; 3138 row_col_t pos;
3298 enum { 3139 enum {
3299 LEFT, RIGHT 3140 LEFT, RIGHT
3490 ::swap (selection.beg.col, selection.end.col); 3331 ::swap (selection.beg.col, selection.end.col);
3491#endif 3332#endif
3492} 3333}
3493 3334
3494#if !ENABLE_MINIMAL 3335#if !ENABLE_MINIMAL
3495void 3336void ecb_cold
3496rxvt_term::selection_remove_trailing_spaces () NOTHROW 3337rxvt_term::selection_remove_trailing_spaces () NOTHROW
3497{ 3338{
3498 int32_t end_col, end_row; 3339 int32_t end_col, end_row;
3499 text_t *stp; 3340 text_t *stp;
3500 3341
3538/* ------------------------------------------------------------------------- */ 3379/* ------------------------------------------------------------------------- */
3539/* 3380/*
3540 * Double click on button 3 when already selected 3381 * Double click on button 3 when already selected
3541 * EXT: button 3 double click 3382 * EXT: button 3 double click
3542 */ 3383 */
3543void 3384void ecb_cold
3544rxvt_term::selection_rotate (int x, int y) NOTHROW 3385rxvt_term::selection_rotate (int x, int y) NOTHROW
3545{ 3386{
3546 selection.clicks = selection.clicks % 3 + 1; 3387 selection.clicks = selection.clicks % 3 + 1;
3547 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3388 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3548} 3389}
3550/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3551/* 3392/*
3552 * Respond to a request for our current selection 3393 * Respond to a request for our current selection
3553 * EXT: SelectionRequest 3394 * EXT: SelectionRequest
3554 */ 3395 */
3555void 3396void ecb_cold
3556rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3397rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3557{ 3398{
3399 Atom property = rq.property == None ? rq.target : rq.property;
3558 XSelectionEvent ev; 3400 XSelectionEvent ev;
3559 3401
3560 ev.type = SelectionNotify; 3402 ev.type = SelectionNotify;
3561 ev.property = None; 3403 ev.property = None;
3562 ev.display = rq.display; 3404 ev.display = rq.display;
3577 *target++ = xa[XA_COMPOUND_TEXT]; 3419 *target++ = xa[XA_COMPOUND_TEXT];
3578#if X_HAVE_UTF8_STRING 3420#if X_HAVE_UTF8_STRING
3579 *target++ = xa[XA_UTF8_STRING]; 3421 *target++ = xa[XA_UTF8_STRING];
3580#endif 3422#endif
3581 3423
3582 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3424 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3583 32, PropModeReplace, 3425 32, PropModeReplace,
3584 (unsigned char *)target_list, target - target_list); 3426 (unsigned char *)target_list, target - target_list);
3585 ev.property = rq.property; 3427 ev.property = property;
3586 } 3428 }
3587#if TODO // TODO 3429#if TODO // TODO
3588 else if (rq.target == xa[XA_MULTIPLE]) 3430 else if (rq.target == xa[XA_MULTIPLE])
3589 { 3431 {
3590 /* TODO: Handle MULTIPLE */ 3432 /* TODO: Handle MULTIPLE */
3591 } 3433 }
3592#endif 3434#endif
3593 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3435 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3594 { 3436 {
3595 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3437 XChangeProperty (dpy, rq.requestor, property, rq.target,
3596 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3438 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3597 ev.property = rq.property; 3439 ev.property = property;
3440 }
3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3442 {
3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3444 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3445 ev.property = property;
3598 } 3446 }
3599 else if (rq.target == XA_STRING 3447 else if (rq.target == XA_STRING
3600 || rq.target == xa[XA_TEXT] 3448 || rq.target == xa[XA_TEXT]
3601 || rq.target == xa[XA_COMPOUND_TEXT] 3449 || rq.target == xa[XA_COMPOUND_TEXT]
3602 || rq.target == xa[XA_UTF8_STRING] 3450 || rq.target == xa[XA_UTF8_STRING]
3634 { 3482 {
3635 target = xa[XA_COMPOUND_TEXT]; 3483 target = xa[XA_COMPOUND_TEXT];
3636 style = enc_compound_text; 3484 style = enc_compound_text;
3637 } 3485 }
3638 3486
3639 if (selection.text) 3487 if (rq.selection == XA_PRIMARY && selection.text)
3640 { 3488 {
3641 cl = selection.text; 3489 cl = selection.text;
3642 selectlen = selection.len; 3490 selectlen = selection.len;
3491 }
3492 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3493 {
3494 cl = selection.clip_text;
3495 selectlen = selection.clip_len;
3643 } 3496 }
3644 else 3497 else
3645 { 3498 {
3646 cl = L""; 3499 cl = L"";
3647 selectlen = 0; 3500 selectlen = 0;
3668 ct.value = (unsigned char *)cl; 3521 ct.value = (unsigned char *)cl;
3669 ct.nitems = selectlen; 3522 ct.nitems = selectlen;
3670 ct.encoding = target; 3523 ct.encoding = target;
3671 } 3524 }
3672 3525
3673 XChangeProperty (dpy, rq.requestor, rq.property, 3526 XChangeProperty (dpy, rq.requestor, property,
3674 ct.encoding, 8, PropModeReplace, 3527 ct.encoding, 8, PropModeReplace,
3675 ct.value, (int)ct.nitems); 3528 ct.value, (int)ct.nitems);
3676 ev.property = rq.property; 3529 ev.property = property;
3677 3530
3678 if (freect) 3531 if (freect)
3679 XFree (ct.value); 3532 XFree (ct.value);
3680 } 3533 }
3681 3534
3682 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3535 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3683} 3536}
3684 3537
3685/* ------------------------------------------------------------------------- */ 3538/* ------------------------------------------------------------------------- */
3686#ifdef USE_XIM 3539#if USE_XIM
3687void 3540void ecb_cold
3688rxvt_term::im_set_position (XPoint &pos) NOTHROW 3541rxvt_term::im_set_position (XPoint &pos) NOTHROW
3689{ 3542{
3690 XWindowAttributes xwa; 3543 XWindowAttributes xwa;
3691 3544
3692 XGetWindowAttributes (dpy, vt, &xwa); 3545 XGetWindowAttributes (dpy, vt, &xwa);
3715 h += 2; min_it (h, nrow); 3568 h += 2; min_it (h, nrow);
3716 3569
3717 x -= 1; clamp_it (x, 0, ncol - w); 3570 x -= 1; clamp_it (x, 0, ncol - w);
3718 y -= 1; clamp_it (y, 0, nrow - h); 3571 y -= 1; clamp_it (y, 0, nrow - h);
3719 3572
3720 ov_x = x; ov_y = y; 3573 ov.x = x; ov.y = y;
3721 ov_w = w; ov_h = h; 3574 ov.w = w; ov.h = h;
3722 3575
3723 ov_text = new text_t *[h]; 3576 ov.text = new text_t *[h];
3724 ov_rend = new rend_t *[h]; 3577 ov.rend = new rend_t *[h];
3725 3578
3726 for (y = 0; y < h; y++) 3579 for (y = 0; y < h; y++)
3727 { 3580 {
3728 text_t *tp = ov_text[y] = new text_t[w]; 3581 text_t *tp = ov.text[y] = new text_t[w];
3729 rend_t *rp = ov_rend[y] = new rend_t[w]; 3582 rend_t *rp = ov.rend[y] = new rend_t[w];
3730 3583
3731 text_t t0, t1, t2; 3584 text_t t0, t1, t2;
3732 rend_t r = OVERLAY_RSTYLE; 3585 rend_t r = OVERLAY_RSTYLE;
3733 3586
3734 if (y == 0) 3587 if (y == 0)
3753} 3606}
3754 3607
3755void 3608void
3756rxvt_term::scr_overlay_off () NOTHROW 3609rxvt_term::scr_overlay_off () NOTHROW
3757{ 3610{
3758 if (!ov_text) 3611 if (!ov.text)
3759 return; 3612 return;
3760 3613
3761 want_refresh = 1; 3614 want_refresh = 1;
3762 3615
3763 for (int y = 0; y < ov_h; y++) 3616 for (int y = 0; y < ov.h; y++)
3764 { 3617 {
3765 delete [] ov_text[y]; 3618 delete [] ov.text[y];
3766 delete [] ov_rend[y]; 3619 delete [] ov.rend[y];
3767 } 3620 }
3768 3621
3769 delete [] ov_text; ov_text = 0; 3622 delete [] ov.text; ov.text = 0;
3770 delete [] ov_rend; ov_rend = 0; 3623 delete [] ov.rend; ov.rend = 0;
3771} 3624}
3772 3625
3773void 3626void
3774rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW 3627rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3775{ 3628{
3776 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3629 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3777 return; 3630 return;
3778 3631
3779 x++, y++; 3632 x++, y++;
3780 3633
3781 ov_text[y][x] = text; 3634 ov.text[y][x] = text;
3782 ov_rend[y][x] = rend; 3635 ov.rend[y][x] = rend;
3783} 3636}
3784 3637
3785void 3638void
3786rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW 3639rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3787{ 3640{
3806} 3659}
3807 3660
3808void 3661void
3809rxvt_term::scr_swap_overlay () NOTHROW 3662rxvt_term::scr_swap_overlay () NOTHROW
3810{ 3663{
3811 if (!ov_text) 3664 if (!ov.text)
3812 return; 3665 return;
3813 3666
3667 // hide cursor if it is within the overlay area
3668 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3669 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3670 screen.flags &= ~Screen_VisibleCursor;
3671
3814 // swap screen mem with overlay 3672 // swap screen mem with overlay
3815 for (int y = ov_h; y--; ) 3673 for (int y = ov.h; y--; )
3816 { 3674 {
3817 text_t *t1 = ov_text[y]; 3675 text_t *t1 = ov.text[y];
3818 rend_t *r1 = ov_rend[y]; 3676 rend_t *r1 = ov.rend[y];
3819 3677
3820 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x; 3678 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3821 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x; 3679 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3822 3680
3823 for (int x = ov_w; x--; ) 3681 for (int x = ov.w; x--; )
3824 { 3682 {
3825 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3683 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3826 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3684 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3827 } 3685 }
3828 } 3686 }

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