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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.349 by root, Thu Oct 14 23:12:11 2010 UTC vs.
Revision 1.433 by sf-exg, Thu Jan 31 08:07:14 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 separate compile!
34
35static inline void 33static inline void
36fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
37{ 35{
38 while (len--) 36 while (len--)
39 *start++ = value; 37 *start++ = value;
40} 38}
41 39
42/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 256*1024
44#define PASTE_SIZE 32768
45#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
46 42
47/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
100 96
101/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
102void 98void
103rxvt_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
104{ 100{
105 if (!l.t) 101 if (!l.valid ())
106 { 102 {
107 lalloc (l); 103 l.alloc ();
108 col = 0; 104 col = 0;
109 width = ncol; 105 width = ncol;
110 } 106 }
111 107
112 l.touch (); 108 l.touch ();
143 while (col > 0 && l.t[col] == NOCHAR) 139 while (col > 0 && l.t[col] == NOCHAR)
144 col--; 140 col--;
145 141
146 rend_t rend = l.r[col] & ~RS_baseattrMask; 142 rend_t rend = l.r[col] & ~RS_baseattrMask;
147 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
148 146
149 // found start, nuke 147 // found start, nuke
150 do { 148 do {
151 l.t[col] = ' '; 149 l.t[col] = ' ';
152 l.r[col] = rend; 150 l.r[col] = rend;
153 col++; 151 col++;
154 } while (col < ncol && l.t[col] == NOCHAR); 152 } while (col < ncol && l.t[col] == NOCHAR);
155} 153}
156 154
155// set the rendition of a single wide character beginning at the given column
156void
157rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
158{
159 do {
160 l.r[col] = rend;
161 col++;
162 } while (col < ncol && l.t[col] == NOCHAR);
163}
164
157/* ------------------------------------------------------------------------- * 165/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 166 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 167 * ------------------------------------------------------------------------- */
160 168
161void 169void
170rxvt_term::scr_alloc () NOTHROW
171{
172 int tsize = sizeof (text_t) * ncol;
173 int rsize = sizeof (rend_t) * ncol;
174
175 // we assume that rend_t size is a sufficient alignment
176 // factor for text_t and line_t values, and we only
177 // need to adjust tsize.
178 tsize = (tsize + sizeof (rend_t) - 1);
179 tsize -= tsize % sizeof (rend_t);
180
181 int all_rows = total_rows + nrow + nrow;
182
183 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
184 chunk = chunk_alloc (chunk_size, 0);
185
186 char *base = (char *)chunk + sizeof (line_t) * all_rows;
187
188 for (int row = 0; row < all_rows; ++row)
189 {
190 line_t &l = ((line_t *)chunk) [row];
191
192 l.t = (text_t *)base; base += tsize;
193 l.r = (rend_t *)base; base += rsize;
194 l.l = -1;
195 l.f = 0;
196 }
197
198 drawn_buf = (line_t *)chunk;
199 swap_buf = drawn_buf + nrow;
200 row_buf = swap_buf + nrow;
201}
202
203void
204rxvt_term::copy_line (line_t &dst, line_t &src)
205{
206 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
207 dst.l = min (src.l, ncol);
208 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
209 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
210 dst.f = src.f;
211}
212
213void ecb_cold
162rxvt_term::scr_reset () 214rxvt_term::scr_reset ()
163{ 215{
216#if ENABLE_OVERLAY
217 scr_overlay_off ();
218#endif
219
164 view_start = 0; 220 view_start = 0;
165 num_scr = 0; 221 num_scr = 0;
166 222
167 if (ncol == 0) 223 if (ncol == 0)
168 ncol = 80; 224 ncol = 80;
188 total_rows = nrow + saveLines; 244 total_rows = nrow + saveLines;
189 245
190 screen.tscroll = 0; 246 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 247 screen.bscroll = nrow - 1;
192 248
249 void *prev_chunk = chunk;
250 size_t prev_chunk_size = chunk_size;
251 line_t *prev_drawn_buf = drawn_buf;
252 line_t *prev_swap_buf = swap_buf;
253 line_t *prev_row_buf = row_buf;
254
255 scr_alloc ();
256
193 if (!row_buf) 257 if (!prev_row_buf)
194 { 258 {
195 /* 259 /*
196 * first time called so just malloc everything: don't rely on realloc 260 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
197 */ 261 */
198 top_row = 0; 262 top_row = 0;
199 term_start = 0; 263 term_start = 0;
200
201 talloc = new rxvt_salloc (ncol * sizeof (text_t));
202 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203
204 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207
208 for (int row = nrow; row--; )
209 {
210 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213 }
214 264
215 memset (charsets, 'B', sizeof (charsets)); 265 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 266 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 267 screen.flags = Screen_DefaultFlags;
218 screen.cur.row = screen.cur.col = 0; 268 screen.cur.row = screen.cur.col = 0;
241 { 291 {
242 /* 292 /*
243 * add or delete rows as appropriate 293 * add or delete rows as appropriate
244 */ 294 */
245 295
246 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
249#if 0
250 if (nrow < prev_nrow)
251 {
252 for (int row = nrow; row < prev_nrow; row++)
253 {
254 lfree (swap_buf [row]);
255 lfree (drawn_buf[row]);
256 }
257 }
258#endif
259
260 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
261 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262
263 for (int row = min (nrow, prev_nrow); row--; ) 296 for (int row = min (nrow, prev_nrow); row--; )
264 { 297 {
265 lresize (drawn_buf[row]); 298 copy_line (drawn_buf [row], prev_drawn_buf [row]);
266 lresize (swap_buf [row]); 299 copy_line (swap_buf [row], prev_swap_buf [row]);
267 }
268
269 for (int row = prev_nrow; row < nrow; row++)
270 { 300 }
271 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
272 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
273 }
274
275 line_t *old_buf = row_buf;
276 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
277 301
278 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 302 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279 int pend = MOD (term_start + top_row , prev_total_rows); 303 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row 304 int q = total_rows; // rewrapped row
281 305
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 313 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290 314
291 do 315 do
292 { 316 {
293 p = MOD (p - 1, prev_total_rows); 317 p = MOD (p - 1, prev_total_rows);
294 assert (old_buf [MOD (p, prev_total_rows)].t); 318 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295 int plines = 1; 319 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 320 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297 321
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 322 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299 { 323 {
300 p = MOD (p - 1, prev_total_rows); 324 p = MOD (p - 1, prev_total_rows);
301 325
302 plines++; 326 plines++;
303 llen += prev_ncol; 327 llen += prev_ncol;
316 340
317 // re-assemble the full line by destination lines 341 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 342 for (int qrow = q; qlines--; qrow++)
319 { 343 {
320 qline = row_buf + qrow; 344 qline = row_buf + qrow;
321 lalloc (*qline); 345 qline->alloc (); // redundant with next line
322 qline->l = ncol; 346 qline->l = ncol;
323 qline->is_longer (1); 347 qline->is_longer (1);
324 348
325 int qcol = 0; 349 int qcol = 0;
326 350
341 // this seems to upset applications/shells/readline 365 // this seems to upset applications/shells/readline
342 // least. 366 // least.
343 if (prow == ocur.row) 367 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow); 368 screen.cur.row = q - (total_rows - nrow);
345 369
346 line_t &pline = old_buf [prow]; 370 line_t &pline = prev_row_buf [prow];
347 371
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 372 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349 373
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 374 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 375 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
372 { 396 {
373 // if no scrollback exists (yet), wing, instead of wrap 397 // if no scrollback exists (yet), wing, instead of wrap
374 398
375 for (int row = min (nrow, prev_nrow); row--; ) 399 for (int row = min (nrow, prev_nrow); row--; )
376 { 400 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 401 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378 line_t &qline = row_buf [row]; 402 line_t &dst = row_buf [row];
379 403
380 qline = pline; 404 copy_line (dst, src);
381 lresize (qline);
382 } 405 }
383 406
384 for (int row = prev_nrow; row < nrow; row++) 407 for (int row = prev_nrow; row < nrow; row++)
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 408 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 }
388 409
389 term_start = 0; 410 term_start = 0;
390 } 411 }
391
392 free (old_buf);
393 delete old_ta;
394 delete old_ra;
395 412
396 clamp_it (screen.cur.row, 0, nrow - 1); 413 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1); 414 clamp_it (screen.cur.col, 0, ncol - 1);
398 } 415 }
399 416
417 for (int row = nrow; row--; )
418 {
419 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
420 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
421 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
422 }
423
424 chunk_free (prev_chunk, prev_chunk_size);
425
400 free (tabs); 426 free (tabs);
401 tabs = (char *)rxvt_malloc (ncol); 427 tabs = (char *)rxvt_malloc (ncol);
402 428
403 for (int col = ncol; --col; ) 429 for (int col = ncol; col--; )
404 tabs [col] = col % TABSIZE == 0; 430 tabs [col] = col % TABSIZE == 0;
405 431
406 CLEAR_ALL_SELECTION (); 432 CLEAR_ALL_SELECTION ();
407 433
408 prev_nrow = nrow; 434 prev_nrow = nrow;
411 tt_winch (); 437 tt_winch ();
412 438
413 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 439 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414} 440}
415 441
416/* ------------------------------------------------------------------------- */ 442void ecb_cold
417/*
418 * Free everything. That way malloc debugging can find leakage.
419 */
420void
421rxvt_term::scr_release () NOTHROW 443rxvt_term::scr_release () NOTHROW
422{ 444{
423 if (row_buf) 445 chunk_free (chunk, chunk_size);
424 { 446 chunk = 0;
425 delete talloc; talloc = 0; 447 row_buf = 0;
426 delete ralloc; ralloc = 0;
427 448
428 free (row_buf);
429 free (swap_buf);
430 free (drawn_buf);
431 row_buf = 0; // signal that we freed all the arrays above
432
433 free (tabs); 449 free (tabs);
434 tabs = 0; 450 tabs = 0;
435 }
436} 451}
437 452
438/* ------------------------------------------------------------------------- */ 453/* ------------------------------------------------------------------------- */
439/* 454/*
440 * Hard/Soft reset 455 * Hard/Soft reset
441 */ 456 */
442void 457void ecb_cold
443rxvt_term::scr_poweron () 458rxvt_term::scr_poweron ()
444{ 459{
445 scr_release (); 460 scr_release ();
461
446 prev_nrow = prev_ncol = 0; 462 prev_nrow = prev_ncol = 0;
447 rvideo_mode = false; 463 rvideo_mode = false;
448 scr_soft_reset (); 464 scr_soft_reset ();
449 scr_reset (); 465 scr_reset ();
450 466
451 scr_clear (true); 467 scr_clear (true);
452 scr_refresh (); 468 scr_refresh ();
453} 469}
454 470
455void 471void ecb_cold
456rxvt_term::scr_soft_reset () 472rxvt_term::scr_soft_reset () NOTHROW
457{ 473{
458 /* only affects modes, nothing drastic such as clearing the screen */ 474 /* only affects modes, nothing drastic such as clearing the screen */
459#if ENABLE_OVERLAY 475#if ENABLE_OVERLAY
460 scr_overlay_off (); 476 scr_overlay_off ();
461#endif 477#endif
516 assert (s->cur.row >= 0); 532 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 533 assert (s->cur.col >= 0);
518} 534}
519 535
520void 536void
521rxvt_term::scr_swap_screen () 537rxvt_term::scr_swap_screen () NOTHROW
522{ 538{
523 if (!option (Opt_secondaryScreen)) 539 if (!option (Opt_secondaryScreen))
524 return; 540 return;
525 541
526 for (int i = prev_nrow; i--; ) 542 for (int i = prev_nrow; i--; )
545 return; 561 return;
546 562
547 want_refresh = 1; 563 want_refresh = 1;
548 view_start = 0; 564 view_start = 0;
549 565
550 selection_check (2); /* check for boundary cross */ 566 /* check for boundary cross */
567 row_col_t pos;
568 pos.row = pos.col = 0;
569 if (ROWCOL_IS_BEFORE (selection.beg, pos)
570 && ROWCOL_IS_AFTER (selection.end, pos))
571 CLEAR_SELECTION ();
551 572
552 current_screen = scrn; 573 current_screen = scrn;
553 574
554#if NSCREENS 575#if NSCREENS
555 if (option (Opt_secondaryScreen)) 576 if (option (Opt_secondaryScreen))
621/* 642/*
622 * Scroll text between <row1> and <row2> inclusive, by <count> lines 643 * Scroll text between <row1> and <row2> inclusive, by <count> lines
623 * count positive ==> scroll up 644 * count positive ==> scroll up
624 * count negative ==> scroll down 645 * count negative ==> scroll down
625 */ 646 */
626int 647int ecb_hot
627rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 648rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628{ 649{
629 if (count == 0 || (row1 > row2)) 650 if (count == 0 || (row1 > row2))
630 return 0; 651 return 0;
631 652
634 655
635 if (count > 0 656 if (count > 0
636 && row1 == 0 657 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 658 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 { 659 {
660 min_it (count, total_rows - (nrow - (row2 + 1)));
661
639 top_row = max (top_row - count, -saveLines); 662 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643 663
644 // sever bottommost line 664 // sever bottommost line
645 { 665 {
646 line_t &l = ROW(row2 - count); 666 line_t &l = ROW(row2);
647 l.is_longer (0); 667 l.is_longer (0);
648 l.touch (); 668 l.touch ();
649 } 669 }
650 670
671 // scroll everything up 'count' lines
672 term_start = (term_start + count) % total_rows;
673
674 // now copy lines below the scroll region bottom to the
675 // bottom of the screen again, so they look as if they
676 // hadn't moved.
677 for (int i = nrow; --i > row2; )
678 {
679 line_t &l1 = ROW(i - count);
680 line_t &l2 = ROW(i);
681
682 ::swap (l1, l2);
683 l2.touch ();
684 }
685
651 // erase newly scrolled-in lines 686 // erase newly scrolled-in lines
652 for (int i = count; i--; ) 687 for (int i = count; i--; )
653 { 688 {
654 line_t &l = ROW(nrow - 1 - i); 689 line_t &l = ROW(row2 - i);
655 690
656 // optimize if already cleared, can be significant on slow machines 691 // optimise if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem 692 // could be rolled into scr_blank_screen_mem
658 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 693 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 { 694 {
660 scr_blank_line (l, 0, l.l, rstyle); 695 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0; 696 l.l = 0;
663 } 698 }
664 else 699 else
665 scr_blank_screen_mem (l, rstyle); 700 scr_blank_screen_mem (l, rstyle);
666 } 701 }
667 702
668 // now copy lines below the scroll region bottom to the
669 // bottom of the screen again, so they look as if they
670 // hadn't moved.
671 for (int i = nrow; --i > row2; )
672 {
673 line_t &l1 = ROW(i - count);
674 line_t &l2 = ROW(i);
675
676 ::swap (l1, l2);
677 l2.touch ();
678 }
679
680 // move and/or clear selection, if any 703 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen) 704 if (selection.op && current_screen == selection.screen
705 && selection.beg.row <= row2)
682 { 706 {
683 selection.beg.row -= count; 707 selection.beg.row -= count;
684 selection.end.row -= count; 708 selection.end.row -= count;
685 selection.mark.row -= count; 709 selection.mark.row -= count;
686 710
687 if (selection.beg.row < top_row 711 selection_check (0);
688 || selection.end.row < top_row
689 || selection.mark.row < top_row)
690 {
691 CLEAR_ALL_SELECTION ();
692 selection.op = SELECTION_CLEAR;
693 }
694 } 712 }
695 713
696 // finally move the view window, if desired 714 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 715 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 716 && view_start != 0
728 } 746 }
729 747
730 // use a simple and robust scrolling algorithm, this 748 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical. 749 // part of scr_scroll_text is not time-critical.
732 750
751 // sever line above scroll region
752 if (row1)
753 {
754 line_t &l = ROW(row1 - 1);
755 l.is_longer (0);
756 l.touch ();
757 }
758
733 int rows = row2 - row1 + 1; 759 int rows = row2 - row1 + 1;
734 760
735 min_it (count, rows); 761 min_it (count, rows);
736 762
737 line_t *temp_buf = row_buf + total_rows; 763 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738 764
739 for (int row = 0; row < rows; row++) 765 for (int row = 0; row < rows; row++)
740 { 766 {
741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 767 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742 768
744 scr_blank_screen_mem (temp_buf [row], rstyle); 770 scr_blank_screen_mem (temp_buf [row], rstyle);
745 } 771 }
746 772
747 for (int row = 0; row < rows; row++) 773 for (int row = 0; row < rows; row++)
748 ROW(row1 + row) = temp_buf [row]; 774 ROW(row1 + row) = temp_buf [row];
775
776 // sever bottommost line
777 {
778 line_t &l = ROW(row2);
779 l.is_longer (0);
780 l.touch ();
781 }
749 } 782 }
750 783
751 return count; 784 return count;
752} 785}
753 786
754/* ------------------------------------------------------------------------- */ 787/* ------------------------------------------------------------------------- */
755/* 788/*
756 * Add text given in <str> of length <len> to screen struct 789 * Add text given in <str> of length <len> to screen struct
757 */ 790 */
758void 791void ecb_hot
759rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 792rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760{ 793{
761 if (len <= 0) /* sanity */ 794 if (len <= 0) /* sanity */
762 return; 795 return;
763 796
764 unsigned char checksel; 797 bool checksel;
765 unicode_t c; 798 unicode_t c;
766 int ncol = this->ncol; 799 int ncol = this->ncol;
767 const wchar_t *strend = str + len; 800 const wchar_t *strend = str + len;
768 801
769 want_refresh = 1; 802 want_refresh = 1;
795 828
796 while (str < strend) 829 while (str < strend)
797 { 830 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 831 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 832
800 if (expect_false (c < 0x20)) 833 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 834 if (c == C0_LF)
802 { 835 {
803 max_it (line->l, screen.cur.col); 836 max_it (line->l, screen.cur.col);
804 837
805 screen.flags &= ~Screen_WrapNext; 838 screen.flags &= ~Screen_WrapNext;
824 { 857 {
825 scr_tab (1, true); 858 scr_tab (1, true);
826 continue; 859 continue;
827 } 860 }
828 861
829 if (expect_false ( 862 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 863 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 864 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 865 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 866 ))
834 { 867 {
839 * should be a similar check. 872 * should be a similar check.
840 */ 873 */
841 CLEAR_SELECTION (); 874 CLEAR_SELECTION ();
842 } 875 }
843 876
844 if (expect_false (screen.flags & Screen_WrapNext)) 877 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 878 {
846 scr_do_wrap (); 879 scr_do_wrap ();
847 880
848 line->l = ncol; 881 line->l = ncol;
849 line->is_longer (1); 882 line->is_longer (1);
851 row = screen.cur.row; 884 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 885 line = &ROW(row); /* _must_ refresh */
853 } 886 }
854 887
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 888 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 889 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 890 c = 0xfffd;
858 891
859 // rely on wcwidth to tell us the character width, do wcwidth before 892 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line 893 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 894 // drawing characters below as they might be invalid in the current
862 // locale. 895 // locale.
863 int width = WCWIDTH (c); 896 int width = WCWIDTH (c);
864 897
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 898 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 899 {
867 // vt100 special graphics and line drawing 900 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 901 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 902 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 903 static uint16_t vt100_0[62] = { // 41 .. 7e
883 c = vt100_0[c - 0x41]; 916 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 917 width = 1; // vt100 line drawing characters are always single-width
885 } 918 }
886 } 919 }
887 920
888 if (expect_false (screen.flags & Screen_Insert)) 921 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 922 scr_insdel_chars (width, INSERT);
890 923
891 if (width != 0) 924 if (width != 0)
892 { 925 {
893#if !UNICODE_3 926#if !UNICODE_3
898# else 931# else
899 c = 0xfffd; 932 c = 0xfffd;
900# endif 933# endif
901#endif 934#endif
902 935
903 // nuke the character at this position, if required
904 if (expect_false (
905 line->t[screen.cur.col] == NOCHAR
906 || (screen.cur.col < ncol - 1
907 && line->t[screen.cur.col + 1] == NOCHAR)
908 ))
909 scr_kill_char (*line, screen.cur.col);
910
911 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 936 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
912 937
913 // if the character doesn't fit into the remaining columns... 938 // if the character doesn't fit into the remaining columns...
914 if (expect_false (screen.cur.col > ncol - width && ncol >= width)) 939 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
915 { 940 {
916 if (screen.flags & Screen_Autowrap) 941 if (screen.flags & Screen_Autowrap)
917 { 942 {
918 // ... artificially enlargen the previous one 943 // ... artificially enlargen the previous one
919 c = NOCHAR; 944 c = NOCHAR;
922 } 947 }
923 else 948 else
924 screen.cur.col = ncol - width; 949 screen.cur.col = ncol - width;
925 } 950 }
926 951
952 // nuke the character at this position, if required
953 // due to wonderful coincidences everywhere else in this loop
954 // we never have to check for overwriting a wide char itself,
955 // only its tail.
956 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
957 scr_kill_char (*line, screen.cur.col);
958
927 line->touch (); 959 line->touch ();
928 960
929 do 961 do
930 { 962 {
931 line->t[screen.cur.col] = c; 963 line->t[screen.cur.col] = c;
932 line->r[screen.cur.col] = rend; 964 line->r[screen.cur.col] = rend;
933 965
934 if (expect_true (screen.cur.col < ncol - 1)) 966 if (ecb_likely (screen.cur.col < ncol - 1))
935 screen.cur.col++; 967 screen.cur.col++;
936 else 968 else
937 { 969 {
938 line->l = ncol; 970 line->l = ncol;
939 if (screen.flags & Screen_Autowrap) 971 if (screen.flags & Screen_Autowrap)
940 screen.flags |= Screen_WrapNext; 972 screen.flags |= Screen_WrapNext;
941 break; 973
974 goto end_of_line;
942 } 975 }
943 976
944 c = NOCHAR; 977 c = NOCHAR;
945 } 978 }
946 while (expect_false (--width > 0)); 979 while (ecb_unlikely (--width > 0));
947 980
948 // pad with spaces when overwriting wide character with smaller one 981 // pad with spaces when overwriting wide character with smaller one
949 if (expect_false (!width)) 982 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950 { 983 {
951 line->touch ();
952
953 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
954 {
955 line->t[c] = ' '; 984 line->t[c] = ' ';
956 line->r[c] = rend; 985 line->r[c] = rend;
957 }
958 } 986 }
987
988end_of_line:
989 ;
959 } 990 }
960#if ENABLE_COMBINING 991#if ENABLE_COMBINING
961 else // width == 0 992 else // width == 0
962 { 993 {
963 if (c != 0xfeff) // ignore BOM 994 if (c != 0xfeff) // ignore BOM
1026 1057
1027 want_refresh = 1; 1058 want_refresh = 1;
1028#endif 1059#endif
1029 } 1060 }
1030 } 1061 }
1031#ifdef TERMCAP_HAS_BW
1032 else if (screen.flags & Screen_WrapNext) 1062 else if (screen.flags & Screen_WrapNext)
1033 screen.flags &= ~Screen_WrapNext; 1063 screen.flags &= ~Screen_WrapNext;
1034#endif
1035 else 1064 else
1036 scr_gotorc (0, -1, RELATIVE); 1065 scr_gotorc (0, -1, RELATIVE);
1037} 1066}
1038 1067
1039/* ------------------------------------------------------------------------- */ 1068/* ------------------------------------------------------------------------- */
1117 * XTERM_SEQ: ESC 6 1146 * XTERM_SEQ: ESC 6
1118 * Move cursor left in row. If we're at the left boundary, shift everything 1147 * Move cursor left in row. If we're at the left boundary, shift everything
1119 * in that row right. Clear left column. 1148 * in that row right. Clear left column.
1120 */ 1149 */
1121#if !ENABLE_MINIMAL 1150#if !ENABLE_MINIMAL
1122void 1151void ecb_cold
1123rxvt_term::scr_backindex () NOTHROW 1152rxvt_term::scr_backindex () NOTHROW
1124{ 1153{
1125 if (screen.cur.col > 0) 1154 if (screen.cur.col > 0)
1126 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1155 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1127 else 1156 else
1134 * XTERM_SEQ: ESC 9 1163 * XTERM_SEQ: ESC 9
1135 * Move cursor right in row. If we're at the right boundary, shift everything 1164 * Move cursor right in row. If we're at the right boundary, shift everything
1136 * in that row left. Clear right column. 1165 * in that row left. Clear right column.
1137 */ 1166 */
1138#if !ENABLE_MINIMAL 1167#if !ENABLE_MINIMAL
1139void 1168void ecb_cold
1140rxvt_term::scr_forwardindex () NOTHROW 1169rxvt_term::scr_forwardindex () NOTHROW
1141{ 1170{
1142 if (screen.cur.col < ncol - 1) 1171 if (screen.cur.col < ncol - 1)
1143 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1172 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1144 else 1173 else
1295 scr_blank_line (line, col, num, rstyle); 1324 scr_blank_line (line, col, num, rstyle);
1296} 1325}
1297 1326
1298/* ------------------------------------------------------------------------- */ 1327/* ------------------------------------------------------------------------- */
1299/* 1328/*
1300 * Erase part of whole of the screen 1329 * Erase part or whole of the screen
1301 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1330 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1302 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1331 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1303 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1332 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1304 */ 1333 */
1305void 1334void
1314 ZERO_SCROLLBACK (); 1343 ZERO_SCROLLBACK ();
1315 1344
1316 switch (mode) 1345 switch (mode)
1317 { 1346 {
1318 case 0: /* erase to end of screen */ 1347 case 0: /* erase to end of screen */
1319 selection_check (1);
1320 scr_erase_line (0); 1348 scr_erase_line (0);
1321 row = screen.cur.row + 1; /* possible OOB */ 1349 row = screen.cur.row + 1; /* possible OOB */
1322 num = nrow - row; 1350 num = nrow - row;
1323 break; 1351 break;
1324 case 1: /* erase to beginning of screen */ 1352 case 1: /* erase to beginning of screen */
1325 selection_check (3);
1326 scr_erase_line (1); 1353 scr_erase_line (1);
1327 row = 0; 1354 row = 0;
1328 num = screen.cur.row; 1355 num = screen.cur.row;
1329 break; 1356 break;
1330 case 2: /* erase whole screen */ 1357 case 2: /* erase whole screen */
1331 selection_check (3);
1332 row = 0; 1358 row = 0;
1333 num = nrow; 1359 num = nrow;
1334 break; 1360 break;
1335 default: 1361 default:
1336 return; 1362 return;
1353 { 1379 {
1354 ren = DEFAULT_RSTYLE; 1380 ren = DEFAULT_RSTYLE;
1355 1381
1356 if (mapped) 1382 if (mapped)
1357 XClearArea (dpy, vt, 0, 1383 XClearArea (dpy, vt, 0,
1358 Row2Pixel (row - view_start), (unsigned int)width, 1384 Row2Pixel (row - view_start), (unsigned int)vt_width,
1359 (unsigned int)Height2Pixel (num), False); 1385 (unsigned int)Height2Pixel (num), False);
1360 } 1386 }
1361 else 1387 else
1362 { 1388 {
1363 ren = rstyle & (RS_fgMask | RS_bgMask); 1389 ren = rstyle & (RS_fgMask | RS_bgMask);
1366 { 1392 {
1367 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1393 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1368 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1394 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1369 XFillRectangle (dpy, vt, gc, 1395 XFillRectangle (dpy, vt, gc,
1370 0, Row2Pixel (row - view_start), 1396 0, Row2Pixel (row - view_start),
1371 (unsigned int)width, 1397 (unsigned int)vt_width,
1372 (unsigned int)Height2Pixel (num)); 1398 (unsigned int)Height2Pixel (num));
1373 gcvalue.foreground = pix_colors[Color_fg]; 1399 gcvalue.foreground = pix_colors[Color_fg];
1374 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1400 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1375 } 1401 }
1376 } 1402 }
1398/* ------------------------------------------------------------------------- */ 1424/* ------------------------------------------------------------------------- */
1399/* 1425/*
1400 * Fill the screen with `E's 1426 * Fill the screen with `E's
1401 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1427 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1402 */ 1428 */
1403void 1429void ecb_cold
1404rxvt_term::scr_E () NOTHROW 1430rxvt_term::scr_E () NOTHROW
1405{ 1431{
1406 rend_t fs; 1432 rend_t fs;
1407 1433
1408 want_refresh = 1; 1434 want_refresh = 1;
1409 ZERO_SCROLLBACK (); 1435 ZERO_SCROLLBACK ();
1410 1436
1411 num_scr_allow = 0; 1437 num_scr_allow = 0;
1412 selection_check (3); 1438
1439 row_col_t pos;
1440 pos.row = pos.col = 0;
1441 if (ROWCOL_IS_AFTER (selection.end, pos))
1442 CLEAR_SELECTION ();
1413 1443
1414 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1444 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1415 for (int row = nrow; row--; ) 1445 for (int row = nrow; row--; )
1416 { 1446 {
1417 line_t &line = ROW(row); 1447 line_t &line = ROW(row);
1568/* ------------------------------------------------------------------------- */ 1598/* ------------------------------------------------------------------------- */
1569/* 1599/*
1570 * Set the scrolling region 1600 * Set the scrolling region
1571 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1601 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1572 */ 1602 */
1573void 1603void ecb_cold
1574rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1604rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1575{ 1605{
1576 max_it (top, 0); 1606 max_it (top, 0);
1577 min_it (bot, nrow - 1); 1607 min_it (bot, nrow - 1);
1578 1608
1588/* 1618/*
1589 * Make the cursor visible/invisible 1619 * Make the cursor visible/invisible
1590 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1620 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1591 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1621 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1592 */ 1622 */
1593void 1623void ecb_cold
1594rxvt_term::scr_cursor_visible (int mode) NOTHROW 1624rxvt_term::scr_cursor_visible (int mode) NOTHROW
1595{ 1625{
1596 want_refresh = 1; 1626 want_refresh = 1;
1597 1627
1598 if (mode) 1628 if (mode)
1605/* 1635/*
1606 * Set/unset automatic wrapping 1636 * Set/unset automatic wrapping
1607 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1637 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1608 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1638 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1609 */ 1639 */
1610void 1640void ecb_cold
1611rxvt_term::scr_autowrap (int mode) NOTHROW 1641rxvt_term::scr_autowrap (int mode) NOTHROW
1612{ 1642{
1613 if (mode) 1643 if (mode)
1614 screen.flags |= Screen_Autowrap; 1644 screen.flags |= Screen_Autowrap;
1615 else 1645 else
1624 * Relative mode: line numbers are relative to top margin of scrolling region 1654 * Relative mode: line numbers are relative to top margin of scrolling region
1625 * and the cursor cannot be moved outside. 1655 * and the cursor cannot be moved outside.
1626 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1656 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1627 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1657 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1628 */ 1658 */
1629void 1659void ecb_cold
1630rxvt_term::scr_relative_origin (int mode) NOTHROW 1660rxvt_term::scr_relative_origin (int mode) NOTHROW
1631{ 1661{
1632 if (mode) 1662 if (mode)
1633 screen.flags |= Screen_Relative; 1663 screen.flags |= Screen_Relative;
1634 else 1664 else
1641/* 1671/*
1642 * Set insert/replace mode 1672 * Set insert/replace mode
1643 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1673 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1644 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1674 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1645 */ 1675 */
1646void 1676void ecb_cold
1647rxvt_term::scr_insert_mode (int mode) NOTHROW 1677rxvt_term::scr_insert_mode (int mode) NOTHROW
1648{ 1678{
1649 if (mode) 1679 if (mode)
1650 screen.flags |= Screen_Insert; 1680 screen.flags |= Screen_Insert;
1651 else 1681 else
1657 * Set/Unset tabs 1687 * Set/Unset tabs
1658 * XTERM_SEQ: Set tab at current column : ESC H 1688 * XTERM_SEQ: Set tab at current column : ESC H
1659 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1689 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1660 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1690 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1661 */ 1691 */
1662void 1692void ecb_cold
1663rxvt_term::scr_set_tab (int mode) NOTHROW 1693rxvt_term::scr_set_tab (int mode) NOTHROW
1664{ 1694{
1665 if (mode < 0) 1695 if (mode < 0)
1666 memset (tabs, 0, ncol); 1696 memset (tabs, 0, ncol);
1667 else if (screen.cur.col < ncol) 1697 else if (screen.cur.col < ncol)
1686 if (rvideo_state != on) 1716 if (rvideo_state != on)
1687 { 1717 {
1688 rvideo_state = on; 1718 rvideo_state = on;
1689 1719
1690 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1720 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1691#ifdef HAVE_BG_PIXMAP 1721#ifdef HAVE_IMG
1692 if (bgPixmap.pixmap == None) 1722 if (bg_img == 0)
1693#endif 1723#endif
1694 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1724 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1695 1725
1696 XGCValues gcvalue; 1726 XGCValues gcvalue;
1697 gcvalue.foreground = pix_colors[Color_fg]; 1727 gcvalue.foreground = pix_colors[Color_fg];
1706/* ------------------------------------------------------------------------- */ 1736/* ------------------------------------------------------------------------- */
1707/* 1737/*
1708 * Report current cursor position 1738 * Report current cursor position
1709 * XTERM_SEQ: Report position: ESC [ 6 n 1739 * XTERM_SEQ: Report position: ESC [ 6 n
1710 */ 1740 */
1711void 1741void ecb_cold
1712rxvt_term::scr_report_position () NOTHROW 1742rxvt_term::scr_report_position () NOTHROW
1713{ 1743{
1714 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1744 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1715} 1745}
1716 1746
1719 * ------------------------------------------------------------------------- */ 1749 * ------------------------------------------------------------------------- */
1720 1750
1721/* 1751/*
1722 * Set font style 1752 * Set font style
1723 */ 1753 */
1724void 1754void ecb_cold
1725rxvt_term::set_font_style () NOTHROW 1755rxvt_term::set_font_style () NOTHROW
1726{ 1756{
1727#if 0 1757#if 0
1728 switch (charsets [screen.charset]) 1758 switch (charsets [screen.charset])
1729 { 1759 {
1751 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1781 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1752 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1782 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1753 * XTERM_SEQ: Invoke G2 character set: ESC N 1783 * XTERM_SEQ: Invoke G2 character set: ESC N
1754 * XTERM_SEQ: Invoke G3 character set: ESC O 1784 * XTERM_SEQ: Invoke G3 character set: ESC O
1755 */ 1785 */
1756void 1786void ecb_cold
1757rxvt_term::scr_charset_choose (int set) NOTHROW 1787rxvt_term::scr_charset_choose (int set) NOTHROW
1758{ 1788{
1759 screen.charset = set; 1789 screen.charset = set;
1760 set_font_style (); 1790 set_font_style ();
1761} 1791}
1782 * ------------------------------------------------------------------------- */ 1812 * ------------------------------------------------------------------------- */
1783 1813
1784/* 1814/*
1785 * refresh matching text. 1815 * refresh matching text.
1786 */ 1816 */
1787bool 1817bool ecb_cold
1788rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1818rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1789{ 1819{
1790 bool found = false; 1820 bool found = false;
1791 1821
1792 for (int i = 0; i < nrow; i++) 1822 for (int i = 0; i < nrow; i++)
1811 PART_BEG = 0, 1841 PART_BEG = 0,
1812 PART_END, 1842 PART_END,
1813 RC_COUNT 1843 RC_COUNT
1814}; 1844};
1815 1845
1816void 1846void ecb_hot
1817rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1847rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1818{ 1848{
1819 int i; 1849 int i;
1820 row_col_t rc[RC_COUNT]; 1850 row_col_t rc[RC_COUNT];
1821 1851
1858 * Refresh the entire screen 1888 * Refresh the entire screen
1859 */ 1889 */
1860void 1890void
1861rxvt_term::scr_touch (bool refresh) NOTHROW 1891rxvt_term::scr_touch (bool refresh) NOTHROW
1862{ 1892{
1863 scr_expose (0, 0, width, height, refresh); 1893 scr_expose (0, 0, vt_width, vt_height, refresh);
1864} 1894}
1865 1895
1866/* ------------------------------------------------------------------------- */ 1896/* ------------------------------------------------------------------------- */
1867/* 1897/*
1868 * Move the display so that the line represented by scrollbar value Y is at 1898 * Move the display so that the line represented by scrollbar value Y is at
1924 1954
1925# ifndef NO_MAPALERT 1955# ifndef NO_MAPALERT
1926# ifdef MAPALERT_OPTION 1956# ifdef MAPALERT_OPTION
1927 if (option (Opt_mapAlert)) 1957 if (option (Opt_mapAlert))
1928# endif 1958# endif
1929 XMapWindow (dpy, parent[0]); 1959 XMapWindow (dpy, parent);
1930# endif 1960# endif
1931 1961
1932# if ENABLE_FRILLS 1962# if ENABLE_FRILLS
1933 if (option (Opt_urgentOnBell)) 1963 if (option (Opt_urgentOnBell))
1934 set_urgency (1); 1964 set_urgency (1);
1947 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1977 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1948#endif 1978#endif
1949} 1979}
1950 1980
1951/* ------------------------------------------------------------------------- */ 1981/* ------------------------------------------------------------------------- */
1952/* ARGSUSED */ 1982void ecb_cold
1953void
1954rxvt_term::scr_printscreen (int fullhist) NOTHROW 1983rxvt_term::scr_printscreen (int fullhist) NOTHROW
1955{ 1984{
1956#ifdef PRINTPIPE 1985#ifdef PRINTPIPE
1957 int nrows, row_start; 1986 int nrows, row_start;
1958 FILE *fd = popen_printer (); 1987 FILE *fd = popen_printer ();
2007/* 2036/*
2008 * Refresh the screen 2037 * Refresh the screen
2009 * drawn_text/drawn_rend contain the screen information before the update. 2038 * drawn_text/drawn_rend contain the screen information before the update.
2010 * screen.text/screen.rend contain what the screen will change to. 2039 * screen.text/screen.rend contain what the screen will change to.
2011 */ 2040 */
2012void 2041void ecb_hot
2013rxvt_term::scr_refresh () NOTHROW 2042rxvt_term::scr_refresh () NOTHROW
2014{ 2043{
2015 int16_t col, row, /* column/row we're processing */ 2044 int16_t col, row, /* column/row we're processing */
2016 ocrow; /* old cursor row */ 2045 ocrow; /* old cursor row */
2017 int i; /* tmp */ 2046 int i; /* tmp */
2018#ifndef NO_CURSORCOLOR
2019 rend_t cc1; /* store colours at cursor position (s) */
2020#endif
2021 rend_t *crp; // cursor rendition pointer
2022 rend_t ccol1, /* Cursor colour */ 2047 rend_t ccol1, /* Cursor colour */
2023 ccol2; /* Cursor colour2 */ 2048 ccol2; /* Cursor colour2 */
2049 rend_t cur_rend;
2050 int cur_col;
2024 2051
2025 want_refresh = 0; /* screen is current */ 2052 want_refresh = 0; /* screen is current */
2026 2053
2027 if (refresh_type == NO_REFRESH || !mapped) 2054 if (refresh_type == NO_REFRESH || !mapped)
2028 return; 2055 return;
2031 * A: set up vars 2058 * A: set up vars
2032 */ 2059 */
2033 refresh_count = 0; 2060 refresh_count = 0;
2034 2061
2035 unsigned int old_screen_flags = screen.flags; 2062 unsigned int old_screen_flags = screen.flags;
2036 char have_bg = 0; 2063 bool have_bg = 0;
2037#ifdef HAVE_BG_PIXMAP 2064#ifdef HAVE_IMG
2038 have_bg = bgPixmap.pixmap != None; 2065 have_bg = bg_img != 0;
2039#endif 2066#endif
2040 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2067 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2041 2068
2042 /* 2069 /*
2043 * B: reverse any characters which are selected 2070 * B: reverse any characters which are selected
2047 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2074 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2048#if ENABLE_OVERLAY 2075#if ENABLE_OVERLAY
2049 scr_swap_overlay (); 2076 scr_swap_overlay ();
2050#endif 2077#endif
2051 2078
2052 char showcursor = screen.flags & Screen_VisibleCursor; 2079 bool showcursor = screen.flags & Screen_VisibleCursor;
2053 2080
2054 /* 2081 /*
2055 * C: set the cursor character (s) 2082 * C: set the cursor character (s)
2056 */ 2083 */
2057 { 2084 {
2058 unsigned char setoldcursor; 2085 bool setoldcursor;
2059 2086
2060#ifdef CURSOR_BLINK 2087#ifdef CURSOR_BLINK
2061 if (hidden_cursor) 2088 if (hidden_cursor)
2062 showcursor = 0; 2089 showcursor = 0;
2063#endif 2090#endif
2067 int col = screen.cur.col; 2094 int col = screen.cur.col;
2068 2095
2069 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2096 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2070 col--; 2097 col--;
2071 2098
2072 crp = &ROW(screen.cur.row).r[col]; 2099 cur_rend = ROW(screen.cur.row).r[col];
2100 cur_col = col;
2073 2101
2074#ifndef NO_CURSORCOLOR 2102#ifndef NO_CURSORCOLOR
2075 cc1 = *crp & (RS_fgMask | RS_bgMask);
2076 if (ISSET_PIXCOLOR (Color_cursor)) 2103 if (ISSET_PIXCOLOR (Color_cursor))
2077 ccol1 = Color_cursor; 2104 ccol1 = Color_cursor;
2078 else 2105 else
2079#endif 2106#endif
2080#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2107#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2094 ccol2 = Color_bg; 2121 ccol2 = Color_bg;
2095#endif 2122#endif
2096 2123
2097 if (focus) 2124 if (focus)
2098 { 2125 {
2126 rend_t rend = cur_rend;
2127
2099 if (option (Opt_cursorUnderline)) 2128 if (option (Opt_cursorUnderline))
2100 *crp ^= RS_Uline; 2129 rend ^= RS_Uline;
2101 else 2130 else
2102 { 2131 {
2103 *crp ^= RS_RVid; 2132 rend ^= RS_RVid;
2104 *crp = SET_FGCOLOR (*crp, ccol1); 2133 rend = SET_FGCOLOR (rend, ccol1);
2105 *crp = SET_BGCOLOR (*crp, ccol2); 2134 rend = SET_BGCOLOR (rend, ccol2);
2106 } 2135 }
2136
2137 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2107 } 2138 }
2108 } 2139 }
2109 2140
2110 /* make sure no outline cursor is left around */ 2141 /* make sure no outline cursor is left around */
2111 setoldcursor = 0; 2142 setoldcursor = 0;
2150 { 2181 {
2151 int16_t nits; 2182 int16_t nits;
2152 int i = num_scr; 2183 int i = num_scr;
2153 int j; 2184 int j;
2154 int len, wlen; 2185 int len, wlen;
2155 dLocal (int, num_scr);
2156 2186
2157 j = nrow; 2187 j = nrow;
2158 wlen = len = -1; 2188 wlen = len = -1;
2159 row = i > 0 ? 0 : j - 1; 2189 row = i > 0 ? 0 : j - 1;
2160 2190
2235 continue; 2265 continue;
2236 2266
2237 // redraw one or more characters 2267 // redraw one or more characters
2238 2268
2239 // seek to the beginning of wide characters 2269 // seek to the beginning of wide characters
2240 while (expect_false (stp[col] == NOCHAR && col > 0)) 2270 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2241 --col; 2271 --col;
2242 2272
2243 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2273 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2244 text_t *text = stp + col; 2274 text_t *text = stp + col;
2245 int count = 1; 2275 int count = 1;
2283 2313
2284 col--; /* went one too far. move back */ 2314 col--; /* went one too far. move back */
2285 count -= i; /* dump any matching trailing chars */ 2315 count -= i; /* dump any matching trailing chars */
2286 2316
2287 // sometimes we optimize away the trailing NOCHAR's, add them back 2317 // sometimes we optimize away the trailing NOCHAR's, add them back
2288 while (expect_false (i && text[count] == NOCHAR)) 2318 while (ecb_unlikely (i && text[count] == NOCHAR))
2289 count++, i--; 2319 count++, i--;
2290 2320
2291 /* 2321 /*
2292 * Determine the attributes for the string 2322 * Determine the attributes for the string
2293 */ 2323 */
2294 int fore = fgcolor_of (rend); // desired foreground 2324 int fore = fgcolor_of (rend); // desired foreground
2295 int back = bgcolor_of (rend); // desired background 2325 int back = bgcolor_of (rend); // desired background
2296 2326
2297 // only do special processing if any attributes are set, which is unlikely 2327 // only do special processing if any attributes are set, which is unlikely
2298 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2328 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2299 { 2329 {
2300 bool invert = rend & RS_RVid; 2330 bool invert = rend & RS_RVid;
2301 2331
2302#ifndef NO_BOLD_UNDERLINE_REVERSE 2332#ifndef NO_BOLD_UNDERLINE_REVERSE
2303 if (rend & RS_Bold && fore == Color_fg) 2333 if (rend & RS_Bold && fore == Color_fg)
2392 /* 2422 /*
2393 * Actually do the drawing of the string here 2423 * Actually do the drawing of the string here
2394 */ 2424 */
2395 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2425 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2396 2426
2397 if (expect_true (have_bg && back == Color_bg)) 2427 if (ecb_likely (have_bg && back == Color_bg))
2398 { 2428 {
2399 // this is very ugly, maybe push it into ->draw? 2429 // this is very ugly, maybe push it into ->draw?
2400 2430
2401 for (i = 0; i < count; i++) /* don't draw empty strings */ 2431 for (i = 0; i < count; i++) /* don't draw empty strings */
2402 if (text[i] != ' ') 2432 if (text[i] != ' ')
2409 did_clear: ; 2439 did_clear: ;
2410 } 2440 }
2411 else 2441 else
2412 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2442 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2413 2443
2414 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2444 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2415 { 2445 {
2416#if ENABLE_FRILLS 2446#if ENABLE_FRILLS
2417 if (ISSET_PIXCOLOR (Color_underline)) 2447 if (ISSET_PIXCOLOR (Color_underline))
2418 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2448 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2419 else 2449 else
2431 * G: cleanup cursor and display outline cursor if necessary 2461 * G: cleanup cursor and display outline cursor if necessary
2432 */ 2462 */
2433 if (showcursor) 2463 if (showcursor)
2434 { 2464 {
2435 if (focus) 2465 if (focus)
2436 { 2466 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2437 if (option (Opt_cursorUnderline))
2438 *crp ^= RS_Uline;
2439 else
2440 {
2441 *crp ^= RS_RVid;
2442#ifndef NO_CURSORCOLOR
2443 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2444#endif
2445 }
2446 }
2447 else if (oldcursor.row >= 0) 2467 else if (oldcursor.row >= 0)
2448 { 2468 {
2449 int cursorwidth = 1; 2469 int cursorwidth = 1;
2450 int col = oldcursor.col; 2470 int col = oldcursor.col;
2451 2471
2465 2485
2466 XDrawRectangle (dpy, vt, gc, 2486 XDrawRectangle (dpy, vt, gc,
2467 Col2Pixel (col), 2487 Col2Pixel (col),
2468 Row2Pixel (oldcursor.row), 2488 Row2Pixel (oldcursor.row),
2469 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2489 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2470 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2490 (unsigned int) (Height2Pixel (1) - 1));
2471 } 2491 }
2472 } 2492 }
2473 2493
2474 /* 2494 /*
2475 * H: cleanup selection 2495 * H: cleanup selection
2484 screen.flags = old_screen_flags; 2504 screen.flags = old_screen_flags;
2485 num_scr = 0; 2505 num_scr = 0;
2486 num_scr_allow = 1; 2506 num_scr_allow = 1;
2487} 2507}
2488 2508
2489void 2509void ecb_cold
2490rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2510rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2491{ 2511{
2492 if (!l.t) 2512 if (!l.valid ())
2493 return; 2513 return;
2494 2514
2495 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2515 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2496 2516
2497 for (int i = ncol; i--; ) 2517 for (int i = ncol; i--; )
2498 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2518 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2499} 2519}
2500 2520
2501void 2521void ecb_cold
2502rxvt_term::scr_remap_chars () NOTHROW 2522rxvt_term::scr_remap_chars () NOTHROW
2503{ 2523{
2504 for (int i = total_rows; i--; ) 2524 for (int i = total_rows; i--; )
2505 scr_remap_chars (row_buf [i]); 2525 scr_remap_chars (row_buf [i]);
2506 2526
2509 scr_remap_chars (drawn_buf [i]); 2529 scr_remap_chars (drawn_buf [i]);
2510 scr_remap_chars (swap_buf [i]); 2530 scr_remap_chars (swap_buf [i]);
2511 } 2531 }
2512} 2532}
2513 2533
2514void 2534void ecb_cold
2515rxvt_term::scr_recolour () NOTHROW 2535rxvt_term::scr_recolour (bool refresh) NOTHROW
2516{ 2536{
2517#ifdef HAVE_BG_PIXMAP 2537 bool transparent = false;
2518 bgPixmap.apply ();
2519#else
2520 2538
2539#ifdef HAVE_IMG
2540 if (bg_img != 0)
2541 {
2542# if ENABLE_TRANSPARENCY
2543 if (bg_flags & BG_IS_TRANSPARENT)
2544 {
2545 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2546 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2547
2548 transparent = true;
2549 }
2550 else
2551# endif
2552 {
2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2554 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2555 }
2556 }
2557 else
2558#endif
2559 {
2521 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2560 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2522 XClearWindow (dpy, parent[0]);
2523 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2561 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2562 }
2563
2564 XClearWindow (dpy, parent);
2524 2565
2525 if (scrollBar.win) 2566 if (scrollBar.win)
2526 { 2567 {
2568 if (transparent)
2569 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2570 else
2527 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2571 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2528 scrollBar.state = STATE_IDLE; 2572 scrollBar.state = SB_STATE_IDLE;
2529 scrollBar.show (0); 2573 scrollBar.show (0);
2530 } 2574 }
2531 2575
2532#endif 2576 if (refresh)
2533 2577 {
2534 /* bgPixmap.apply () does not do the following : */
2535 scr_clear (); 2578 scr_clear ();
2536 scr_touch (true); 2579 scr_touch (true);
2580 }
2537 want_refresh = 1; 2581 want_refresh = 1;
2538} 2582}
2539 2583
2540/* ------------------------------------------------------------------------- */ 2584/* ------------------------------------------------------------------------- */
2541void 2585void
2598 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2642 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2599 srp[col] ^= rstyle; 2643 srp[col] ^= rstyle;
2600} 2644}
2601 2645
2602/* ------------------------------------------------------------------------- */ 2646/* ------------------------------------------------------------------------- */
2603void 2647void ecb_hot
2604rxvt_term::scr_reverse_selection () NOTHROW 2648rxvt_term::scr_reverse_selection () NOTHROW
2605{ 2649{
2606 if (selection.op 2650 if (selection.op
2607 && current_screen == selection.screen 2651 && current_screen == selection.screen
2608 && selection.end.row >= view_start) 2652 && selection.end.row >= view_start)
2627 */ 2671 */
2628#if 0 2672#if 0
2629void 2673void
2630rxvt_term::scr_dump (int fd) NOTHROW 2674rxvt_term::scr_dump (int fd) NOTHROW
2631{ 2675{
2632 int row, wrote; 2676 // if this method is needed, it can be implemented by factoring the
2633 unsigned int width, towrite; 2677 // relevant code in scr_printscreen
2634 char r1[] = "\n";
2635
2636 for (row = saveLines + top_row;
2637 row < saveLines + nrow - 1; row++)
2638 {
2639 width = row_buf[row].l >= 0 ? row_buf[row].l
2640 : ncol;
2641 for (towrite = width; towrite; towrite -= wrote)
2642 {
2643 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2644 towrite);
2645 if (wrote < 0)
2646 return; /* XXX: death, no report */
2647 }
2648 if (row_buf[row].l >= 0)
2649 if (write (fd, r1, 1) <= 0)
2650 return; /* XXX: death, no report */
2651 }
2652} 2678}
2653#endif 2679#endif
2654 2680
2655/* ------------------------------------------------------------------------- * 2681/* ------------------------------------------------------------------------- *
2656 * CHARACTER SELECTION * 2682 * CHARACTER SELECTION *
2657 * ------------------------------------------------------------------------- */ 2683 * ------------------------------------------------------------------------- */
2658void 2684void
2659rxvt_term::selection_check (int check_more) NOTHROW 2685rxvt_term::selection_check (int check_more) NOTHROW
2660{ 2686{
2661 row_col_t pos;
2662
2663 if (!selection.op) 2687 if (!selection.op)
2664 return; 2688 return;
2665 2689
2666 pos.row = pos.col = 0;
2667 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2690 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2668 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2691 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2669 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2692 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2670 || (check_more == 1 2693 || (check_more == 1
2671 && current_screen == selection.screen 2694 && current_screen == selection.screen
2672 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2695 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2673 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2696 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2674 || (check_more == 2
2675 && ROWCOL_IS_BEFORE (selection.beg, pos)
2676 && ROWCOL_IS_AFTER (selection.end, pos))
2677 || (check_more == 3
2678 && ROWCOL_IS_AFTER (selection.end, pos))
2679 || (check_more == 4 /* screen width change */
2680 && (selection.beg.row != selection.end.row
2681 || selection.end.col > ncol)))
2682 CLEAR_SELECTION (); 2697 CLEAR_ALL_SELECTION ();
2683} 2698}
2684 2699
2685/* ------------------------------------------------------------------------- */ 2700/* ------------------------------------------------------------------------- */
2686/* 2701/*
2687 * Paste a selection direct to the command fd 2702 * Paste a selection direct to the command fd
2693 for (unsigned int i = 0; i < len; i++) 2708 for (unsigned int i = 0; i < len; i++)
2694 if (data[i] == C0_LF) 2709 if (data[i] == C0_LF)
2695 data[i] = C0_CR; 2710 data[i] = C0_CR;
2696 2711
2697 if (priv_modes & PrivMode_BracketPaste) 2712 if (priv_modes & PrivMode_BracketPaste)
2698 tt_printf ("\e[200~"); 2713 tt_printf ("\x1b[200~");
2699 2714
2700 tt_write (data, len); 2715 tt_write (data, len);
2701 2716
2702 if (priv_modes & PrivMode_BracketPaste) 2717 if (priv_modes & PrivMode_BracketPaste)
2703 tt_printf ("\e[201~"); 2718 tt_printf ("\x1b[201~");
2704} 2719}
2705 2720
2706void 2721void
2707rxvt_term::paste (char *data, unsigned int len) NOTHROW 2722rxvt_term::paste (char *data, unsigned int len) NOTHROW
2708{ 2723{
2712 tt_paste (data, len); 2727 tt_paste (data, len);
2713} 2728}
2714 2729
2715/* ------------------------------------------------------------------------- */ 2730/* ------------------------------------------------------------------------- */
2716/* 2731/*
2717 * Respond to a notification that a primary selection has been sent 2732 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2718 * EXT: SelectionNotify 2733 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2719 */ 2734 * as fallback
2720void
2721rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2722{
2723 if (prop == None) /* check for failed XConvertSelection */
2724 {
2725 if ((selection_type & Sel_CompoundText))
2726 {
2727 int selnum = selection_type & Sel_whereMask;
2728
2729 selection_type = 0;
2730 if (selnum != Sel_direct)
2731 selection_request_other (XA_STRING, selnum);
2732 }
2733
2734 if ((selection_type & Sel_UTF8String))
2735 {
2736 int selnum = selection_type & Sel_whereMask;
2737
2738 selection_type = Sel_CompoundText;
2739 if (selnum != Sel_direct)
2740 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2741 else
2742 selection_type = 0;
2743 }
2744
2745 return;
2746 }
2747
2748 unsigned long bytes_after;
2749 XTextProperty ct;
2750
2751 if (XGetWindowProperty (dpy, win, prop,
2752 0, PROP_SIZE / 4,
2753 delete_prop, AnyPropertyType,
2754 &ct.encoding, &ct.format,
2755 &ct.nitems, &bytes_after,
2756 &ct.value) != Success)
2757 {
2758 ct.value = 0;
2759 goto bailout;
2760 }
2761
2762 if (ct.encoding == None)
2763 goto bailout;
2764
2765 if (bytes_after)
2766 {
2767 // fetch and append remaining data
2768 XTextProperty ct2;
2769
2770 if (XGetWindowProperty (dpy, win, prop,
2771 ct.nitems / 4, (bytes_after + 3) / 4,
2772 delete_prop, AnyPropertyType,
2773 &ct2.encoding, &ct2.format,
2774 &ct2.nitems, &bytes_after,
2775 &ct2.value) != Success)
2776 goto bailout;
2777
2778 // realloc should be compatible to XFree, here, and elsewhere, too
2779 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2780 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2781 ct.nitems += ct2.nitems;
2782
2783 XFree (ct2.value);
2784 }
2785
2786 if (ct.value == 0)
2787 goto bailout;
2788
2789 if (ct.encoding == xa[XA_INCR])
2790 {
2791 // INCR selection, start handshake
2792 if (!delete_prop)
2793 XDeleteProperty (dpy, win, prop);
2794
2795 selection_wait = Sel_incr;
2796 incr_buf_fill = 0;
2797 incr_ev.start (10);
2798
2799 goto bailout;
2800 }
2801
2802 if (ct.nitems == 0)
2803 {
2804 if (selection_wait == Sel_incr)
2805 {
2806 XFree (ct.value);
2807
2808 // finally complete, now paste the whole thing
2809 selection_wait = Sel_normal;
2810 ct.value = (unsigned char *)incr_buf;
2811 ct.nitems = incr_buf_fill;
2812 incr_buf = 0;
2813 incr_buf_size = 0;
2814 incr_ev.stop ();
2815 }
2816 else
2817 {
2818 if (selection_wait == Sel_normal
2819 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2820 {
2821 /*
2822 * pass through again trying CUT_BUFFER0 if we've come from
2823 * XConvertSelection () but nothing was presented
2824 */
2825 selection_paste (display->root, XA_CUT_BUFFER0, False);
2826 }
2827
2828 goto bailout;
2829 }
2830 }
2831 else if (selection_wait == Sel_incr)
2832 {
2833 incr_ev.start (10);
2834
2835 while (incr_buf_fill + ct.nitems > incr_buf_size)
2836 {
2837 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2838 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2839 }
2840
2841 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2842 incr_buf_fill += ct.nitems;
2843
2844 goto bailout;
2845 }
2846
2847 char **cl;
2848 int cr;
2849
2850#if !ENABLE_MINIMAL
2851 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2852 // so recode it manually
2853 if (ct.encoding == xa[XA_UTF8_STRING])
2854 {
2855 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2856 char *s = rxvt_wcstombs (w);
2857 free (w);
2858 // TODO: strlen == only the first element will be converted. well...
2859 paste (s, strlen (s));
2860 free (s);
2861 }
2862 else
2863#endif
2864 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2865 && cl)
2866 {
2867 for (int i = 0; i < cr; i++)
2868 paste (cl[i], strlen (cl[i]));
2869
2870 XFreeStringList (cl);
2871 }
2872 else
2873 paste ((char *)ct.value, ct.nitems); // paste raw
2874
2875bailout:
2876 XFree (ct.value);
2877
2878 if (selection_wait == Sel_normal)
2879 selection_wait = Sel_none;
2880}
2881
2882void
2883rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2884{
2885 selection_wait = Sel_none;
2886
2887 incr_buf_size = 0;
2888 free (incr_buf);
2889
2890 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2891}
2892
2893void
2894rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2895{
2896 if (prop == None || selection_wait != Sel_incr)
2897 return;
2898
2899 selection_paste (win, prop, true);
2900}
2901
2902/* ------------------------------------------------------------------------- */
2903/*
2904 * Request the current selection:
2905 * Order: > internal selection if available
2906 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2907 * > CUT_BUFFER0
2908 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2909 * will auto fallback to CUT_BUFFER0
2910 * EXT: button 2 release 2735 * EXT: button 2 release
2911 */ 2736 */
2912void 2737void
2913rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2738rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2914{ 2739{
2915 if (selection.text && selnum == Sel_Primary) 2740 if (!selection_req)
2916 {
2917 /* internal selection */
2918 char *str = rxvt_wcstombs (selection.text, selection.len);
2919 paste (str, strlen (str));
2920 free (str);
2921 return;
2922 } 2741 {
2923 else 2742 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2743 selection_req->run ();
2924 { 2744 }
2925 selection_request_time = tm;
2926 selection_wait = Sel_normal;
2927
2928#if X_HAVE_UTF8_STRING
2929 selection_type = Sel_UTF8String;
2930 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2931 return;
2932#else
2933 selection_type = Sel_CompoundText;
2934 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2935 return;
2936#endif
2937 }
2938
2939 selection_wait = Sel_none; /* don't loop in selection_paste () */
2940 selection_paste (display->root, XA_CUT_BUFFER0, false);
2941}
2942
2943int
2944rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2945{
2946 Atom sel;
2947
2948 selection_type |= selnum;
2949
2950 if (selnum == Sel_Primary)
2951 sel = XA_PRIMARY;
2952 else if (selnum == Sel_Secondary)
2953 sel = XA_SECONDARY;
2954 else
2955 sel = xa[XA_CLIPBOARD];
2956
2957 if (XGetSelectionOwner (dpy, sel) != None)
2958 {
2959 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2960 vt, selection_request_time);
2961 return 1;
2962 }
2963
2964 return 0;
2965} 2745}
2966 2746
2967/* ------------------------------------------------------------------------- */ 2747/* ------------------------------------------------------------------------- */
2968/* 2748/*
2969 * Clear all selected text 2749 * Clear all selected text
3000 * EXT: button 1 or 3 release 2780 * EXT: button 1 or 3 release
3001 */ 2781 */
3002void 2782void
3003rxvt_term::selection_make (Time tm) 2783rxvt_term::selection_make (Time tm)
3004{ 2784{
3005 int i; 2785 int size;
3006 wchar_t *new_selection_text; 2786 wchar_t *new_selection_text;
3007 text_t *t; 2787 text_t *t;
3008 2788
3009 switch (selection.op) 2789 switch (selection.op)
3010 { 2790 {
3026 return; /* nothing selected, go away */ 2806 return; /* nothing selected, go away */
3027 2807
3028 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2808 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3029 return; 2809 return;
3030 2810
3031 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2811 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3032 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2812 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3033 2813
3034 int ofs = 0; 2814 int ofs = 0;
3035 int extra = 0; 2815 int extra = 0;
3036 2816
3037 int col = selection.beg.col; 2817 int col = selection.beg.col;
3043 { 2823 {
3044#if !ENABLE_MINIMAL 2824#if !ENABLE_MINIMAL
3045 if (selection.rect) 2825 if (selection.rect)
3046 { 2826 {
3047 col = selection.beg.col; 2827 col = selection.beg.col;
3048 end_col = ncol + 1; 2828 end_col = selection.end.col;
3049 } 2829 }
3050 else 2830 else
3051#endif 2831#endif
3052 end_col = ROW(row).l; 2832 end_col = ROW(row).l;
3053 2833
3054 col = max (col, 0); 2834 col = max (col, 0);
3055 2835
3056 if (row == selection.end.row 2836 if (row == selection.end.row)
3057#if !ENABLE_MINIMAL
3058 || selection.rect
3059#endif
3060 )
3061 min_it (end_col, selection.end.col); 2837 min_it (end_col, selection.end.col);
3062 2838
3063 t = ROW(row).t + col; 2839 t = ROW(row).t + col;
3064 2840
3065 for (; col < end_col; col++) 2841 for (; col < end_col; col++)
3073 2849
3074 extra -= (len - 1); 2850 extra -= (len - 1);
3075 2851
3076 if (extra < 0) 2852 if (extra < 0)
3077 { 2853 {
3078 extra += i; 2854 extra += size;
3079 i += i; 2855 size += size;
3080 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2856 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3081 } 2857 }
3082 2858
3083 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2859 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3084 } 2860 }
3085#endif 2861#endif
3097 2873
3098 new_selection_text[ofs++] = C0_LF; 2874 new_selection_text[ofs++] = C0_LF;
3099 } 2875 }
3100 else 2876 else
3101#endif 2877#endif
3102 if (!ROW(row).is_longer () && row != selection.end.row) 2878 if (!ROW(row).is_longer ()
2879 && (row != selection.end.row || end_col != selection.end.col)
2880 && (row != selection.beg.row || selection.beg.col < ncol))
3103 new_selection_text[ofs++] = C0_LF; 2881 new_selection_text[ofs++] = C0_LF;
3104 } 2882 }
3105
3106 if (end_col != selection.end.col)
3107 new_selection_text[ofs++] = C0_LF;
3108 2883
3109 new_selection_text[ofs] = 0; 2884 new_selection_text[ofs] = 0;
3110 2885
3111 if (ofs == 0) 2886 if (ofs == 0)
3112 { 2887 {
3168/* ------------------------------------------------------------------------- */ 2943/* ------------------------------------------------------------------------- */
3169/* 2944/*
3170 * Mark or select text based upon number of clicks: 1, 2, or 3 2945 * Mark or select text based upon number of clicks: 1, 2, or 3
3171 * EXT: button 1 press 2946 * EXT: button 1 press
3172 */ 2947 */
3173void 2948void ecb_cold
3174rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2949rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3175{ 2950{
3176 clicks = ((clicks - 1) % 3) + 1; 2951 clicks = ((clicks - 1) % 3) + 1;
3177 selection.clicks = clicks; /* save clicks so extend will work */ 2952 selection.clicks = clicks; /* save clicks so extend will work */
3178 2953
3197 2972
3198/* ------------------------------------------------------------------------- */ 2973/* ------------------------------------------------------------------------- */
3199/* 2974/*
3200 * Mark a selection at the specified col/row 2975 * Mark a selection at the specified col/row
3201 */ 2976 */
3202void 2977void ecb_cold
3203rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2978rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3204{ 2979{
3205 want_refresh = 1; 2980 want_refresh = 1;
3206 2981
3207 selection.mark.row = row + view_start; 2982 selection.mark.row = row + view_start;
3234/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3009/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3235#define DELIMIT_TEXT(x) \ 3010#define DELIMIT_TEXT(x) \
3236 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3011 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3237#define DELIMIT_REND(x) 1 3012#define DELIMIT_REND(x) 1
3238 3013
3239void 3014void ecb_cold
3240rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3015rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3241{ 3016{
3242 int col, row, dirnadd, tcol, trow, w1, w2; 3017 int col, row, dirnadd, tcol, trow, w1, w2;
3243 row_col_t bound; 3018 row_col_t bound;
3244 text_t *stp; 3019 text_t *stp;
3318 * EXT: button 3 press; button 1 or 3 drag 3093 * EXT: button 3 press; button 1 or 3 drag
3319 * flag == 0 ==> button 1 3094 * flag == 0 ==> button 1
3320 * flag == 1 ==> button 3 press 3095 * flag == 1 ==> button 3 press
3321 * flag == 2 ==> button 3 motion 3096 * flag == 2 ==> button 3 motion
3322 */ 3097 */
3323void 3098void ecb_cold
3324rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3099rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3325{ 3100{
3326 int col = clamp (Pixel2Col (x), 0, ncol); 3101 int col = clamp (Pixel2Col (x), 0, ncol);
3327 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3102 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3328 3103
3354 3129
3355/* ------------------------------------------------------------------------- */ 3130/* ------------------------------------------------------------------------- */
3356/* 3131/*
3357 * Extend the selection to the specified col/row 3132 * Extend the selection to the specified col/row
3358 */ 3133 */
3359void 3134void ecb_cold
3360rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3135rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3361{ 3136{
3362 row_col_t pos; 3137 row_col_t pos;
3363 enum { 3138 enum {
3364 LEFT, RIGHT 3139 LEFT, RIGHT
3555 ::swap (selection.beg.col, selection.end.col); 3330 ::swap (selection.beg.col, selection.end.col);
3556#endif 3331#endif
3557} 3332}
3558 3333
3559#if !ENABLE_MINIMAL 3334#if !ENABLE_MINIMAL
3560void 3335void ecb_cold
3561rxvt_term::selection_remove_trailing_spaces () NOTHROW 3336rxvt_term::selection_remove_trailing_spaces () NOTHROW
3562{ 3337{
3563 int32_t end_col, end_row; 3338 int32_t end_col, end_row;
3564 text_t *stp; 3339 text_t *stp;
3565 3340
3603/* ------------------------------------------------------------------------- */ 3378/* ------------------------------------------------------------------------- */
3604/* 3379/*
3605 * Double click on button 3 when already selected 3380 * Double click on button 3 when already selected
3606 * EXT: button 3 double click 3381 * EXT: button 3 double click
3607 */ 3382 */
3608void 3383void ecb_cold
3609rxvt_term::selection_rotate (int x, int y) NOTHROW 3384rxvt_term::selection_rotate (int x, int y) NOTHROW
3610{ 3385{
3611 selection.clicks = selection.clicks % 3 + 1; 3386 selection.clicks = selection.clicks % 3 + 1;
3612 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3387 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3613} 3388}
3615/* ------------------------------------------------------------------------- */ 3390/* ------------------------------------------------------------------------- */
3616/* 3391/*
3617 * Respond to a request for our current selection 3392 * Respond to a request for our current selection
3618 * EXT: SelectionRequest 3393 * EXT: SelectionRequest
3619 */ 3394 */
3620void 3395void ecb_cold
3621rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3396rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3622{ 3397{
3398 Atom property = rq.property == None ? rq.target : rq.property;
3623 XSelectionEvent ev; 3399 XSelectionEvent ev;
3624 3400
3625 ev.type = SelectionNotify; 3401 ev.type = SelectionNotify;
3626 ev.property = None; 3402 ev.property = None;
3627 ev.display = rq.display; 3403 ev.display = rq.display;
3642 *target++ = xa[XA_COMPOUND_TEXT]; 3418 *target++ = xa[XA_COMPOUND_TEXT];
3643#if X_HAVE_UTF8_STRING 3419#if X_HAVE_UTF8_STRING
3644 *target++ = xa[XA_UTF8_STRING]; 3420 *target++ = xa[XA_UTF8_STRING];
3645#endif 3421#endif
3646 3422
3647 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3423 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3648 32, PropModeReplace, 3424 32, PropModeReplace,
3649 (unsigned char *)target_list, target - target_list); 3425 (unsigned char *)target_list, target - target_list);
3650 ev.property = rq.property; 3426 ev.property = property;
3651 } 3427 }
3652#if TODO // TODO 3428#if TODO // TODO
3653 else if (rq.target == xa[XA_MULTIPLE]) 3429 else if (rq.target == xa[XA_MULTIPLE])
3654 { 3430 {
3655 /* TODO: Handle MULTIPLE */ 3431 /* TODO: Handle MULTIPLE */
3656 } 3432 }
3657#endif 3433#endif
3658 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3434 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3659 { 3435 {
3660 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3436 XChangeProperty (dpy, rq.requestor, property, rq.target,
3661 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3437 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3662 ev.property = rq.property; 3438 ev.property = property;
3663 } 3439 }
3664 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3440 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3665 { 3441 {
3666 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3442 XChangeProperty (dpy, rq.requestor, property, rq.target,
3667 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3443 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3668 ev.property = rq.property; 3444 ev.property = property;
3669 } 3445 }
3670 else if (rq.target == XA_STRING 3446 else if (rq.target == XA_STRING
3671 || rq.target == xa[XA_TEXT] 3447 || rq.target == xa[XA_TEXT]
3672 || rq.target == xa[XA_COMPOUND_TEXT] 3448 || rq.target == xa[XA_COMPOUND_TEXT]
3673 || rq.target == xa[XA_UTF8_STRING] 3449 || rq.target == xa[XA_UTF8_STRING]
3744 ct.value = (unsigned char *)cl; 3520 ct.value = (unsigned char *)cl;
3745 ct.nitems = selectlen; 3521 ct.nitems = selectlen;
3746 ct.encoding = target; 3522 ct.encoding = target;
3747 } 3523 }
3748 3524
3749 XChangeProperty (dpy, rq.requestor, rq.property, 3525 XChangeProperty (dpy, rq.requestor, property,
3750 ct.encoding, 8, PropModeReplace, 3526 ct.encoding, 8, PropModeReplace,
3751 ct.value, (int)ct.nitems); 3527 ct.value, (int)ct.nitems);
3752 ev.property = rq.property; 3528 ev.property = property;
3753 3529
3754 if (freect) 3530 if (freect)
3755 XFree (ct.value); 3531 XFree (ct.value);
3756 } 3532 }
3757 3533
3758 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3534 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3759} 3535}
3760 3536
3761/* ------------------------------------------------------------------------- */ 3537/* ------------------------------------------------------------------------- */
3762#ifdef USE_XIM 3538#if USE_XIM
3763void 3539void ecb_cold
3764rxvt_term::im_set_position (XPoint &pos) NOTHROW 3540rxvt_term::im_set_position (XPoint &pos) NOTHROW
3765{ 3541{
3766 XWindowAttributes xwa; 3542 XWindowAttributes xwa;
3767 3543
3768 XGetWindowAttributes (dpy, vt, &xwa); 3544 XGetWindowAttributes (dpy, vt, &xwa);

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