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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.347 by sf-exg, Sat Aug 28 11:03:04 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
936 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
937
938 // if the character doesn't fit into the remaining columns...
939 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
940 {
941 if (screen.flags & Screen_Autowrap)
942 {
943 // ... artificially enlargen the previous one
944 c = NOCHAR;
945 // and try the same character next loop iteration
946 --str;
947 }
948 else
949 screen.cur.col = ncol - width;
950 }
951
903 // nuke the character at this position, if required 952 // nuke the character at this position, if required
904 if (expect_false ( 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.
905 line->t[screen.cur.col] == NOCHAR 956 if (ecb_unlikely (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); 957 scr_kill_char (*line, screen.cur.col);
910
911 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
912
913 // if the character doesn't fit into the remaining columns...
914 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
915 {
916 // ... artificially enlargen the previous one
917 c = NOCHAR;
918 // and try the same character next loop iteration
919 --str;
920 }
921 958
922 line->touch (); 959 line->touch ();
923 960
924 do 961 do
925 { 962 {
926 line->t[screen.cur.col] = c; 963 line->t[screen.cur.col] = c;
927 line->r[screen.cur.col] = rend; 964 line->r[screen.cur.col] = rend;
928 965
929 if (expect_true (screen.cur.col < ncol - 1)) 966 if (ecb_likely (screen.cur.col < ncol - 1))
930 screen.cur.col++; 967 screen.cur.col++;
931 else 968 else
932 { 969 {
933 line->l = ncol; 970 line->l = ncol;
934 if (screen.flags & Screen_Autowrap) 971 if (screen.flags & Screen_Autowrap)
935 screen.flags |= Screen_WrapNext; 972 screen.flags |= Screen_WrapNext;
936 break; 973
974 goto end_of_line;
937 } 975 }
938 976
939 c = NOCHAR; 977 c = NOCHAR;
940 } 978 }
941 while (expect_false (--width > 0)); 979 while (ecb_unlikely (--width > 0));
942 980
943 // pad with spaces when overwriting wide character with smaller one 981 // pad with spaces when overwriting wide character with smaller one
944 if (expect_false (!width)) 982 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
945 { 983 {
946 line->touch ();
947
948 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
949 {
950 line->t[c] = ' '; 984 line->t[c] = ' ';
951 line->r[c] = rend; 985 line->r[c] = rend;
952 }
953 } 986 }
987
988end_of_line:
989 ;
954 } 990 }
955#if ENABLE_COMBINING 991#if ENABLE_COMBINING
956 else // width == 0 992 else // width == 0
957 { 993 {
958 if (c != 0xfeff) // ignore BOM 994 if (c != 0xfeff) // ignore BOM
1021 1057
1022 want_refresh = 1; 1058 want_refresh = 1;
1023#endif 1059#endif
1024 } 1060 }
1025 } 1061 }
1062 else if (screen.flags & Screen_WrapNext)
1063 screen.flags &= ~Screen_WrapNext;
1026 else 1064 else
1027 scr_gotorc (0, -1, RELATIVE); 1065 scr_gotorc (0, -1, RELATIVE);
1028} 1066}
1029 1067
1030/* ------------------------------------------------------------------------- */ 1068/* ------------------------------------------------------------------------- */
1108 * XTERM_SEQ: ESC 6 1146 * XTERM_SEQ: ESC 6
1109 * 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
1110 * in that row right. Clear left column. 1148 * in that row right. Clear left column.
1111 */ 1149 */
1112#if !ENABLE_MINIMAL 1150#if !ENABLE_MINIMAL
1113void 1151void ecb_cold
1114rxvt_term::scr_backindex () NOTHROW 1152rxvt_term::scr_backindex () NOTHROW
1115{ 1153{
1116 if (screen.cur.col > 0) 1154 if (screen.cur.col > 0)
1117 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1155 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1118 else 1156 else
1125 * XTERM_SEQ: ESC 9 1163 * XTERM_SEQ: ESC 9
1126 * 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
1127 * in that row left. Clear right column. 1165 * in that row left. Clear right column.
1128 */ 1166 */
1129#if !ENABLE_MINIMAL 1167#if !ENABLE_MINIMAL
1130void 1168void ecb_cold
1131rxvt_term::scr_forwardindex () NOTHROW 1169rxvt_term::scr_forwardindex () NOTHROW
1132{ 1170{
1133 if (screen.cur.col < ncol - 1) 1171 if (screen.cur.col < ncol - 1)
1134 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1172 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1135 else 1173 else
1286 scr_blank_line (line, col, num, rstyle); 1324 scr_blank_line (line, col, num, rstyle);
1287} 1325}
1288 1326
1289/* ------------------------------------------------------------------------- */ 1327/* ------------------------------------------------------------------------- */
1290/* 1328/*
1291 * Erase part of whole of the screen 1329 * Erase part or whole of the screen
1292 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1330 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1293 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1331 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1294 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1332 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1295 */ 1333 */
1296void 1334void
1305 ZERO_SCROLLBACK (); 1343 ZERO_SCROLLBACK ();
1306 1344
1307 switch (mode) 1345 switch (mode)
1308 { 1346 {
1309 case 0: /* erase to end of screen */ 1347 case 0: /* erase to end of screen */
1310 selection_check (1);
1311 scr_erase_line (0); 1348 scr_erase_line (0);
1312 row = screen.cur.row + 1; /* possible OOB */ 1349 row = screen.cur.row + 1; /* possible OOB */
1313 num = nrow - row; 1350 num = nrow - row;
1314 break; 1351 break;
1315 case 1: /* erase to beginning of screen */ 1352 case 1: /* erase to beginning of screen */
1316 selection_check (3);
1317 scr_erase_line (1); 1353 scr_erase_line (1);
1318 row = 0; 1354 row = 0;
1319 num = screen.cur.row; 1355 num = screen.cur.row;
1320 break; 1356 break;
1321 case 2: /* erase whole screen */ 1357 case 2: /* erase whole screen */
1322 selection_check (3);
1323 row = 0; 1358 row = 0;
1324 num = nrow; 1359 num = nrow;
1325 break; 1360 break;
1326 default: 1361 default:
1327 return; 1362 return;
1344 { 1379 {
1345 ren = DEFAULT_RSTYLE; 1380 ren = DEFAULT_RSTYLE;
1346 1381
1347 if (mapped) 1382 if (mapped)
1348 XClearArea (dpy, vt, 0, 1383 XClearArea (dpy, vt, 0,
1349 Row2Pixel (row - view_start), (unsigned int)width, 1384 Row2Pixel (row - view_start), (unsigned int)vt_width,
1350 (unsigned int)Height2Pixel (num), False); 1385 (unsigned int)Height2Pixel (num), False);
1351 } 1386 }
1352 else 1387 else
1353 { 1388 {
1354 ren = rstyle & (RS_fgMask | RS_bgMask); 1389 ren = rstyle & (RS_fgMask | RS_bgMask);
1357 { 1392 {
1358 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1393 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1359 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1394 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1360 XFillRectangle (dpy, vt, gc, 1395 XFillRectangle (dpy, vt, gc,
1361 0, Row2Pixel (row - view_start), 1396 0, Row2Pixel (row - view_start),
1362 (unsigned int)width, 1397 (unsigned int)vt_width,
1363 (unsigned int)Height2Pixel (num)); 1398 (unsigned int)Height2Pixel (num));
1364 gcvalue.foreground = pix_colors[Color_fg]; 1399 gcvalue.foreground = pix_colors[Color_fg];
1365 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1400 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1366 } 1401 }
1367 } 1402 }
1389/* ------------------------------------------------------------------------- */ 1424/* ------------------------------------------------------------------------- */
1390/* 1425/*
1391 * Fill the screen with `E's 1426 * Fill the screen with `E's
1392 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1427 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1393 */ 1428 */
1394void 1429void ecb_cold
1395rxvt_term::scr_E () NOTHROW 1430rxvt_term::scr_E () NOTHROW
1396{ 1431{
1397 rend_t fs; 1432 rend_t fs;
1398 1433
1399 want_refresh = 1; 1434 want_refresh = 1;
1400 ZERO_SCROLLBACK (); 1435 ZERO_SCROLLBACK ();
1401 1436
1402 num_scr_allow = 0; 1437 num_scr_allow = 0;
1403 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 ();
1404 1443
1405 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1444 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1406 for (int row = nrow; row--; ) 1445 for (int row = nrow; row--; )
1407 { 1446 {
1408 line_t &line = ROW(row); 1447 line_t &line = ROW(row);
1559/* ------------------------------------------------------------------------- */ 1598/* ------------------------------------------------------------------------- */
1560/* 1599/*
1561 * Set the scrolling region 1600 * Set the scrolling region
1562 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1601 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1563 */ 1602 */
1564void 1603void ecb_cold
1565rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1604rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1566{ 1605{
1567 max_it (top, 0); 1606 max_it (top, 0);
1568 min_it (bot, nrow - 1); 1607 min_it (bot, nrow - 1);
1569 1608
1579/* 1618/*
1580 * Make the cursor visible/invisible 1619 * Make the cursor visible/invisible
1581 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1620 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1582 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1621 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1583 */ 1622 */
1584void 1623void ecb_cold
1585rxvt_term::scr_cursor_visible (int mode) NOTHROW 1624rxvt_term::scr_cursor_visible (int mode) NOTHROW
1586{ 1625{
1587 want_refresh = 1; 1626 want_refresh = 1;
1588 1627
1589 if (mode) 1628 if (mode)
1596/* 1635/*
1597 * Set/unset automatic wrapping 1636 * Set/unset automatic wrapping
1598 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1637 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1599 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1638 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1600 */ 1639 */
1601void 1640void ecb_cold
1602rxvt_term::scr_autowrap (int mode) NOTHROW 1641rxvt_term::scr_autowrap (int mode) NOTHROW
1603{ 1642{
1604 if (mode) 1643 if (mode)
1605 screen.flags |= Screen_Autowrap; 1644 screen.flags |= Screen_Autowrap;
1606 else 1645 else
1615 * 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
1616 * and the cursor cannot be moved outside. 1655 * and the cursor cannot be moved outside.
1617 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1656 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1618 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1657 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1619 */ 1658 */
1620void 1659void ecb_cold
1621rxvt_term::scr_relative_origin (int mode) NOTHROW 1660rxvt_term::scr_relative_origin (int mode) NOTHROW
1622{ 1661{
1623 if (mode) 1662 if (mode)
1624 screen.flags |= Screen_Relative; 1663 screen.flags |= Screen_Relative;
1625 else 1664 else
1632/* 1671/*
1633 * Set insert/replace mode 1672 * Set insert/replace mode
1634 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1673 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1635 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1674 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1636 */ 1675 */
1637void 1676void ecb_cold
1638rxvt_term::scr_insert_mode (int mode) NOTHROW 1677rxvt_term::scr_insert_mode (int mode) NOTHROW
1639{ 1678{
1640 if (mode) 1679 if (mode)
1641 screen.flags |= Screen_Insert; 1680 screen.flags |= Screen_Insert;
1642 else 1681 else
1648 * Set/Unset tabs 1687 * Set/Unset tabs
1649 * XTERM_SEQ: Set tab at current column : ESC H 1688 * XTERM_SEQ: Set tab at current column : ESC H
1650 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1689 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1651 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1690 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1652 */ 1691 */
1653void 1692void ecb_cold
1654rxvt_term::scr_set_tab (int mode) NOTHROW 1693rxvt_term::scr_set_tab (int mode) NOTHROW
1655{ 1694{
1656 if (mode < 0) 1695 if (mode < 0)
1657 memset (tabs, 0, ncol); 1696 memset (tabs, 0, ncol);
1658 else if (screen.cur.col < ncol) 1697 else if (screen.cur.col < ncol)
1677 if (rvideo_state != on) 1716 if (rvideo_state != on)
1678 { 1717 {
1679 rvideo_state = on; 1718 rvideo_state = on;
1680 1719
1681 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1720 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1682#ifdef HAVE_BG_PIXMAP 1721#ifdef HAVE_IMG
1683 if (bgPixmap.pixmap == None) 1722 if (bg_img == 0)
1684#endif 1723#endif
1685 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1724 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1686 1725
1687 XGCValues gcvalue; 1726 XGCValues gcvalue;
1688 gcvalue.foreground = pix_colors[Color_fg]; 1727 gcvalue.foreground = pix_colors[Color_fg];
1697/* ------------------------------------------------------------------------- */ 1736/* ------------------------------------------------------------------------- */
1698/* 1737/*
1699 * Report current cursor position 1738 * Report current cursor position
1700 * XTERM_SEQ: Report position: ESC [ 6 n 1739 * XTERM_SEQ: Report position: ESC [ 6 n
1701 */ 1740 */
1702void 1741void ecb_cold
1703rxvt_term::scr_report_position () NOTHROW 1742rxvt_term::scr_report_position () NOTHROW
1704{ 1743{
1705 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);
1706} 1745}
1707 1746
1710 * ------------------------------------------------------------------------- */ 1749 * ------------------------------------------------------------------------- */
1711 1750
1712/* 1751/*
1713 * Set font style 1752 * Set font style
1714 */ 1753 */
1715void 1754void ecb_cold
1716rxvt_term::set_font_style () NOTHROW 1755rxvt_term::set_font_style () NOTHROW
1717{ 1756{
1718#if 0 1757#if 0
1719 switch (charsets [screen.charset]) 1758 switch (charsets [screen.charset])
1720 { 1759 {
1742 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1781 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1743 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1782 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1744 * XTERM_SEQ: Invoke G2 character set: ESC N 1783 * XTERM_SEQ: Invoke G2 character set: ESC N
1745 * XTERM_SEQ: Invoke G3 character set: ESC O 1784 * XTERM_SEQ: Invoke G3 character set: ESC O
1746 */ 1785 */
1747void 1786void ecb_cold
1748rxvt_term::scr_charset_choose (int set) NOTHROW 1787rxvt_term::scr_charset_choose (int set) NOTHROW
1749{ 1788{
1750 screen.charset = set; 1789 screen.charset = set;
1751 set_font_style (); 1790 set_font_style ();
1752} 1791}
1773 * ------------------------------------------------------------------------- */ 1812 * ------------------------------------------------------------------------- */
1774 1813
1775/* 1814/*
1776 * refresh matching text. 1815 * refresh matching text.
1777 */ 1816 */
1778bool 1817bool ecb_cold
1779rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1818rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1780{ 1819{
1781 bool found = false; 1820 bool found = false;
1782 1821
1783 for (int i = 0; i < nrow; i++) 1822 for (int i = 0; i < nrow; i++)
1802 PART_BEG = 0, 1841 PART_BEG = 0,
1803 PART_END, 1842 PART_END,
1804 RC_COUNT 1843 RC_COUNT
1805}; 1844};
1806 1845
1807void 1846void ecb_hot
1808rxvt_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
1809{ 1848{
1810 int i; 1849 int i;
1811 row_col_t rc[RC_COUNT]; 1850 row_col_t rc[RC_COUNT];
1812 1851
1849 * Refresh the entire screen 1888 * Refresh the entire screen
1850 */ 1889 */
1851void 1890void
1852rxvt_term::scr_touch (bool refresh) NOTHROW 1891rxvt_term::scr_touch (bool refresh) NOTHROW
1853{ 1892{
1854 scr_expose (0, 0, width, height, refresh); 1893 scr_expose (0, 0, vt_width, vt_height, refresh);
1855} 1894}
1856 1895
1857/* ------------------------------------------------------------------------- */ 1896/* ------------------------------------------------------------------------- */
1858/* 1897/*
1859 * 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
1915 1954
1916# ifndef NO_MAPALERT 1955# ifndef NO_MAPALERT
1917# ifdef MAPALERT_OPTION 1956# ifdef MAPALERT_OPTION
1918 if (option (Opt_mapAlert)) 1957 if (option (Opt_mapAlert))
1919# endif 1958# endif
1920 XMapWindow (dpy, parent[0]); 1959 XMapWindow (dpy, parent);
1921# endif 1960# endif
1922 1961
1923# if ENABLE_FRILLS 1962# if ENABLE_FRILLS
1924 if (option (Opt_urgentOnBell)) 1963 if (option (Opt_urgentOnBell))
1925 set_urgency (1); 1964 set_urgency (1);
1938 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1977 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1939#endif 1978#endif
1940} 1979}
1941 1980
1942/* ------------------------------------------------------------------------- */ 1981/* ------------------------------------------------------------------------- */
1943/* ARGSUSED */ 1982void ecb_cold
1944void
1945rxvt_term::scr_printscreen (int fullhist) NOTHROW 1983rxvt_term::scr_printscreen (int fullhist) NOTHROW
1946{ 1984{
1947#ifdef PRINTPIPE 1985#ifdef PRINTPIPE
1948 int nrows, row_start; 1986 int nrows, row_start;
1949 FILE *fd = popen_printer (); 1987 FILE *fd = popen_printer ();
1998/* 2036/*
1999 * Refresh the screen 2037 * Refresh the screen
2000 * drawn_text/drawn_rend contain the screen information before the update. 2038 * drawn_text/drawn_rend contain the screen information before the update.
2001 * screen.text/screen.rend contain what the screen will change to. 2039 * screen.text/screen.rend contain what the screen will change to.
2002 */ 2040 */
2003void 2041void ecb_hot
2004rxvt_term::scr_refresh () NOTHROW 2042rxvt_term::scr_refresh () NOTHROW
2005{ 2043{
2006 int16_t col, row, /* column/row we're processing */ 2044 int16_t col, row, /* column/row we're processing */
2007 ocrow; /* old cursor row */ 2045 ocrow; /* old cursor row */
2008 int i; /* tmp */ 2046 int i; /* tmp */
2009#ifndef NO_CURSORCOLOR
2010 rend_t cc1; /* store colours at cursor position (s) */
2011#endif
2012 rend_t *crp; // cursor rendition pointer
2013 rend_t ccol1, /* Cursor colour */ 2047 rend_t ccol1, /* Cursor colour */
2014 ccol2; /* Cursor colour2 */ 2048 ccol2; /* Cursor colour2 */
2049 rend_t cur_rend;
2050 int cur_col;
2015 2051
2016 want_refresh = 0; /* screen is current */ 2052 want_refresh = 0; /* screen is current */
2017 2053
2018 if (refresh_type == NO_REFRESH || !mapped) 2054 if (refresh_type == NO_REFRESH || !mapped)
2019 return; 2055 return;
2022 * A: set up vars 2058 * A: set up vars
2023 */ 2059 */
2024 refresh_count = 0; 2060 refresh_count = 0;
2025 2061
2026 unsigned int old_screen_flags = screen.flags; 2062 unsigned int old_screen_flags = screen.flags;
2027 char have_bg = 0; 2063 bool have_bg = 0;
2028#ifdef HAVE_BG_PIXMAP 2064#ifdef HAVE_IMG
2029 have_bg = bgPixmap.pixmap != None; 2065 have_bg = bg_img != 0;
2030#endif 2066#endif
2031 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2067 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2032 2068
2033 /* 2069 /*
2034 * B: reverse any characters which are selected 2070 * B: reverse any characters which are selected
2038 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2074 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2039#if ENABLE_OVERLAY 2075#if ENABLE_OVERLAY
2040 scr_swap_overlay (); 2076 scr_swap_overlay ();
2041#endif 2077#endif
2042 2078
2043 char showcursor = screen.flags & Screen_VisibleCursor; 2079 bool showcursor = screen.flags & Screen_VisibleCursor;
2044 2080
2045 /* 2081 /*
2046 * C: set the cursor character (s) 2082 * C: set the cursor character (s)
2047 */ 2083 */
2048 { 2084 {
2049 unsigned char setoldcursor; 2085 bool setoldcursor;
2050 2086
2051#ifdef CURSOR_BLINK 2087#ifdef CURSOR_BLINK
2052 if (hidden_cursor) 2088 if (hidden_cursor)
2053 showcursor = 0; 2089 showcursor = 0;
2054#endif 2090#endif
2058 int col = screen.cur.col; 2094 int col = screen.cur.col;
2059 2095
2060 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2096 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2061 col--; 2097 col--;
2062 2098
2063 crp = &ROW(screen.cur.row).r[col]; 2099 cur_rend = ROW(screen.cur.row).r[col];
2100 cur_col = col;
2064 2101
2065#ifndef NO_CURSORCOLOR 2102#ifndef NO_CURSORCOLOR
2066 cc1 = *crp & (RS_fgMask | RS_bgMask);
2067 if (ISSET_PIXCOLOR (Color_cursor)) 2103 if (ISSET_PIXCOLOR (Color_cursor))
2068 ccol1 = Color_cursor; 2104 ccol1 = Color_cursor;
2069 else 2105 else
2070#endif 2106#endif
2071#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2107#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2085 ccol2 = Color_bg; 2121 ccol2 = Color_bg;
2086#endif 2122#endif
2087 2123
2088 if (focus) 2124 if (focus)
2089 { 2125 {
2126 rend_t rend = cur_rend;
2127
2090 if (option (Opt_cursorUnderline)) 2128 if (option (Opt_cursorUnderline))
2091 *crp ^= RS_Uline; 2129 rend ^= RS_Uline;
2092 else 2130 else
2093 { 2131 {
2094 *crp ^= RS_RVid; 2132 rend ^= RS_RVid;
2095 *crp = SET_FGCOLOR (*crp, ccol1); 2133 rend = SET_FGCOLOR (rend, ccol1);
2096 *crp = SET_BGCOLOR (*crp, ccol2); 2134 rend = SET_BGCOLOR (rend, ccol2);
2097 } 2135 }
2136
2137 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2098 } 2138 }
2099 } 2139 }
2100 2140
2101 /* make sure no outline cursor is left around */ 2141 /* make sure no outline cursor is left around */
2102 setoldcursor = 0; 2142 setoldcursor = 0;
2141 { 2181 {
2142 int16_t nits; 2182 int16_t nits;
2143 int i = num_scr; 2183 int i = num_scr;
2144 int j; 2184 int j;
2145 int len, wlen; 2185 int len, wlen;
2146 dLocal (int, num_scr);
2147 2186
2148 j = nrow; 2187 j = nrow;
2149 wlen = len = -1; 2188 wlen = len = -1;
2150 row = i > 0 ? 0 : j - 1; 2189 row = i > 0 ? 0 : j - 1;
2151 2190
2226 continue; 2265 continue;
2227 2266
2228 // redraw one or more characters 2267 // redraw one or more characters
2229 2268
2230 // seek to the beginning of wide characters 2269 // seek to the beginning of wide characters
2231 while (expect_false (stp[col] == NOCHAR && col > 0)) 2270 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2232 --col; 2271 --col;
2233 2272
2234 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2273 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2235 text_t *text = stp + col; 2274 text_t *text = stp + col;
2236 int count = 1; 2275 int count = 1;
2274 2313
2275 col--; /* went one too far. move back */ 2314 col--; /* went one too far. move back */
2276 count -= i; /* dump any matching trailing chars */ 2315 count -= i; /* dump any matching trailing chars */
2277 2316
2278 // sometimes we optimize away the trailing NOCHAR's, add them back 2317 // sometimes we optimize away the trailing NOCHAR's, add them back
2279 while (expect_false (i && text[count] == NOCHAR)) 2318 while (ecb_unlikely (i && text[count] == NOCHAR))
2280 count++, i--; 2319 count++, i--;
2281 2320
2282 /* 2321 /*
2283 * Determine the attributes for the string 2322 * Determine the attributes for the string
2284 */ 2323 */
2285 int fore = fgcolor_of (rend); // desired foreground 2324 int fore = fgcolor_of (rend); // desired foreground
2286 int back = bgcolor_of (rend); // desired background 2325 int back = bgcolor_of (rend); // desired background
2287 2326
2288 // 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
2289 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2328 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2290 { 2329 {
2291 bool invert = rend & RS_RVid; 2330 bool invert = rend & RS_RVid;
2292 2331
2293#ifndef NO_BOLD_UNDERLINE_REVERSE 2332#ifndef NO_BOLD_UNDERLINE_REVERSE
2294 if (rend & RS_Bold && fore == Color_fg) 2333 if (rend & RS_Bold && fore == Color_fg)
2383 /* 2422 /*
2384 * Actually do the drawing of the string here 2423 * Actually do the drawing of the string here
2385 */ 2424 */
2386 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2425 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2387 2426
2388 if (expect_true (have_bg && back == Color_bg)) 2427 if (ecb_likely (have_bg && back == Color_bg))
2389 { 2428 {
2390 // this is very ugly, maybe push it into ->draw? 2429 // this is very ugly, maybe push it into ->draw?
2391 2430
2392 for (i = 0; i < count; i++) /* don't draw empty strings */ 2431 for (i = 0; i < count; i++) /* don't draw empty strings */
2393 if (text[i] != ' ') 2432 if (text[i] != ' ')
2400 did_clear: ; 2439 did_clear: ;
2401 } 2440 }
2402 else 2441 else
2403 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2442 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2404 2443
2405 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2444 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2406 { 2445 {
2407#if ENABLE_FRILLS 2446#if ENABLE_FRILLS
2408 if (ISSET_PIXCOLOR (Color_underline)) 2447 if (ISSET_PIXCOLOR (Color_underline))
2409 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2448 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2410 else 2449 else
2422 * G: cleanup cursor and display outline cursor if necessary 2461 * G: cleanup cursor and display outline cursor if necessary
2423 */ 2462 */
2424 if (showcursor) 2463 if (showcursor)
2425 { 2464 {
2426 if (focus) 2465 if (focus)
2427 { 2466 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2428 if (option (Opt_cursorUnderline))
2429 *crp ^= RS_Uline;
2430 else
2431 {
2432 *crp ^= RS_RVid;
2433#ifndef NO_CURSORCOLOR
2434 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2435#endif
2436 }
2437 }
2438 else if (oldcursor.row >= 0) 2467 else if (oldcursor.row >= 0)
2439 { 2468 {
2440 int cursorwidth = 1; 2469 int cursorwidth = 1;
2441 int col = oldcursor.col; 2470 int col = oldcursor.col;
2442 2471
2456 2485
2457 XDrawRectangle (dpy, vt, gc, 2486 XDrawRectangle (dpy, vt, gc,
2458 Col2Pixel (col), 2487 Col2Pixel (col),
2459 Row2Pixel (oldcursor.row), 2488 Row2Pixel (oldcursor.row),
2460 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2489 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2461 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2490 (unsigned int) (Height2Pixel (1) - 1));
2462 } 2491 }
2463 } 2492 }
2464 2493
2465 /* 2494 /*
2466 * H: cleanup selection 2495 * H: cleanup selection
2475 screen.flags = old_screen_flags; 2504 screen.flags = old_screen_flags;
2476 num_scr = 0; 2505 num_scr = 0;
2477 num_scr_allow = 1; 2506 num_scr_allow = 1;
2478} 2507}
2479 2508
2480void 2509void ecb_cold
2481rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2510rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2482{ 2511{
2483 if (!l.t) 2512 if (!l.valid ())
2484 return; 2513 return;
2485 2514
2486 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
2487 2516
2488 for (int i = ncol; i--; ) 2517 for (int i = ncol; i--; )
2489 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]));
2490} 2519}
2491 2520
2492void 2521void ecb_cold
2493rxvt_term::scr_remap_chars () NOTHROW 2522rxvt_term::scr_remap_chars () NOTHROW
2494{ 2523{
2495 for (int i = total_rows; i--; ) 2524 for (int i = total_rows; i--; )
2496 scr_remap_chars (row_buf [i]); 2525 scr_remap_chars (row_buf [i]);
2497 2526
2500 scr_remap_chars (drawn_buf [i]); 2529 scr_remap_chars (drawn_buf [i]);
2501 scr_remap_chars (swap_buf [i]); 2530 scr_remap_chars (swap_buf [i]);
2502 } 2531 }
2503} 2532}
2504 2533
2505void 2534void ecb_cold
2506rxvt_term::scr_recolour () NOTHROW 2535rxvt_term::scr_recolour (bool refresh) NOTHROW
2507{ 2536{
2508#ifdef HAVE_BG_PIXMAP 2537 bool transparent = false;
2509 bgPixmap.apply ();
2510#else
2511 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 {
2512 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2560 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2513 XClearWindow (dpy, parent[0]);
2514 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2561 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2562 }
2563
2564 XClearWindow (dpy, parent);
2515 2565
2516 if (scrollBar.win) 2566 if (scrollBar.win)
2517 { 2567 {
2568 if (transparent)
2569 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2570 else
2518 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2571 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2519 scrollBar.state = STATE_IDLE; 2572 scrollBar.state = SB_STATE_IDLE;
2520 scrollBar.show (0); 2573 scrollBar.show (0);
2521 } 2574 }
2522 2575
2523#endif 2576 if (refresh)
2524 2577 {
2525 /* bgPixmap.apply () does not do the following : */
2526 scr_clear (); 2578 scr_clear ();
2527 scr_touch (true); 2579 scr_touch (true);
2580 }
2528 want_refresh = 1; 2581 want_refresh = 1;
2529} 2582}
2530 2583
2531/* ------------------------------------------------------------------------- */ 2584/* ------------------------------------------------------------------------- */
2532void 2585void
2589 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2642 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2590 srp[col] ^= rstyle; 2643 srp[col] ^= rstyle;
2591} 2644}
2592 2645
2593/* ------------------------------------------------------------------------- */ 2646/* ------------------------------------------------------------------------- */
2594void 2647void ecb_hot
2595rxvt_term::scr_reverse_selection () NOTHROW 2648rxvt_term::scr_reverse_selection () NOTHROW
2596{ 2649{
2597 if (selection.op 2650 if (selection.op
2598 && current_screen == selection.screen 2651 && current_screen == selection.screen
2599 && selection.end.row >= view_start) 2652 && selection.end.row >= view_start)
2618 */ 2671 */
2619#if 0 2672#if 0
2620void 2673void
2621rxvt_term::scr_dump (int fd) NOTHROW 2674rxvt_term::scr_dump (int fd) NOTHROW
2622{ 2675{
2623 int row, wrote; 2676 // if this method is needed, it can be implemented by factoring the
2624 unsigned int width, towrite; 2677 // relevant code in scr_printscreen
2625 char r1[] = "\n";
2626
2627 for (row = saveLines + top_row;
2628 row < saveLines + nrow - 1; row++)
2629 {
2630 width = row_buf[row].l >= 0 ? row_buf[row].l
2631 : ncol;
2632 for (towrite = width; towrite; towrite -= wrote)
2633 {
2634 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2635 towrite);
2636 if (wrote < 0)
2637 return; /* XXX: death, no report */
2638 }
2639 if (row_buf[row].l >= 0)
2640 if (write (fd, r1, 1) <= 0)
2641 return; /* XXX: death, no report */
2642 }
2643} 2678}
2644#endif 2679#endif
2645 2680
2646/* ------------------------------------------------------------------------- * 2681/* ------------------------------------------------------------------------- *
2647 * CHARACTER SELECTION * 2682 * CHARACTER SELECTION *
2648 * ------------------------------------------------------------------------- */ 2683 * ------------------------------------------------------------------------- */
2649void 2684void
2650rxvt_term::selection_check (int check_more) NOTHROW 2685rxvt_term::selection_check (int check_more) NOTHROW
2651{ 2686{
2652 row_col_t pos;
2653
2654 if (!selection.op) 2687 if (!selection.op)
2655 return; 2688 return;
2656 2689
2657 pos.row = pos.col = 0;
2658 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2690 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2659 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2691 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2660 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2692 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2661 || (check_more == 1 2693 || (check_more == 1
2662 && current_screen == selection.screen 2694 && current_screen == selection.screen
2663 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2695 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2664 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2696 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2665 || (check_more == 2
2666 && ROWCOL_IS_BEFORE (selection.beg, pos)
2667 && ROWCOL_IS_AFTER (selection.end, pos))
2668 || (check_more == 3
2669 && ROWCOL_IS_AFTER (selection.end, pos))
2670 || (check_more == 4 /* screen width change */
2671 && (selection.beg.row != selection.end.row
2672 || selection.end.col > ncol)))
2673 CLEAR_SELECTION (); 2697 CLEAR_ALL_SELECTION ();
2674} 2698}
2675 2699
2676/* ------------------------------------------------------------------------- */ 2700/* ------------------------------------------------------------------------- */
2677/* 2701/*
2678 * Paste a selection direct to the command fd 2702 * Paste a selection direct to the command fd
2684 for (unsigned int i = 0; i < len; i++) 2708 for (unsigned int i = 0; i < len; i++)
2685 if (data[i] == C0_LF) 2709 if (data[i] == C0_LF)
2686 data[i] = C0_CR; 2710 data[i] = C0_CR;
2687 2711
2688 if (priv_modes & PrivMode_BracketPaste) 2712 if (priv_modes & PrivMode_BracketPaste)
2689 tt_printf ("\e[200~"); 2713 tt_printf ("\x1b[200~");
2690 2714
2691 tt_write (data, len); 2715 tt_write (data, len);
2692 2716
2693 if (priv_modes & PrivMode_BracketPaste) 2717 if (priv_modes & PrivMode_BracketPaste)
2694 tt_printf ("\e[201~"); 2718 tt_printf ("\x1b[201~");
2695} 2719}
2696 2720
2697void 2721void
2698rxvt_term::paste (char *data, unsigned int len) NOTHROW 2722rxvt_term::paste (char *data, unsigned int len) NOTHROW
2699{ 2723{
2703 tt_paste (data, len); 2727 tt_paste (data, len);
2704} 2728}
2705 2729
2706/* ------------------------------------------------------------------------- */ 2730/* ------------------------------------------------------------------------- */
2707/* 2731/*
2708 * Respond to a notification that a primary selection has been sent 2732 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2709 * EXT: SelectionNotify 2733 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2710 */ 2734 * as fallback
2711void
2712rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2713{
2714 if (prop == None) /* check for failed XConvertSelection */
2715 {
2716 if ((selection_type & Sel_CompoundText))
2717 {
2718 int selnum = selection_type & Sel_whereMask;
2719
2720 selection_type = 0;
2721 if (selnum != Sel_direct)
2722 selection_request_other (XA_STRING, selnum);
2723 }
2724
2725 if ((selection_type & Sel_UTF8String))
2726 {
2727 int selnum = selection_type & Sel_whereMask;
2728
2729 selection_type = Sel_CompoundText;
2730 if (selnum != Sel_direct)
2731 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2732 else
2733 selection_type = 0;
2734 }
2735
2736 return;
2737 }
2738
2739 unsigned long bytes_after;
2740 XTextProperty ct;
2741
2742 if (XGetWindowProperty (dpy, win, prop,
2743 0, PROP_SIZE / 4,
2744 delete_prop, AnyPropertyType,
2745 &ct.encoding, &ct.format,
2746 &ct.nitems, &bytes_after,
2747 &ct.value) != Success)
2748 {
2749 ct.value = 0;
2750 goto bailout;
2751 }
2752
2753 if (ct.encoding == None)
2754 goto bailout;
2755
2756 if (bytes_after)
2757 {
2758 // fetch and append remaining data
2759 XTextProperty ct2;
2760
2761 if (XGetWindowProperty (dpy, win, prop,
2762 ct.nitems / 4, (bytes_after + 3) / 4,
2763 delete_prop, AnyPropertyType,
2764 &ct2.encoding, &ct2.format,
2765 &ct2.nitems, &bytes_after,
2766 &ct2.value) != Success)
2767 goto bailout;
2768
2769 // realloc should be compatible to XFree, here, and elsewhere, too
2770 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2771 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2772 ct.nitems += ct2.nitems;
2773
2774 XFree (ct2.value);
2775 }
2776
2777 if (ct.value == 0)
2778 goto bailout;
2779
2780 if (ct.encoding == xa[XA_INCR])
2781 {
2782 // INCR selection, start handshake
2783 if (!delete_prop)
2784 XDeleteProperty (dpy, win, prop);
2785
2786 selection_wait = Sel_incr;
2787 incr_buf_fill = 0;
2788 incr_ev.start (10);
2789
2790 goto bailout;
2791 }
2792
2793 if (ct.nitems == 0)
2794 {
2795 if (selection_wait == Sel_incr)
2796 {
2797 XFree (ct.value);
2798
2799 // finally complete, now paste the whole thing
2800 selection_wait = Sel_normal;
2801 ct.value = (unsigned char *)incr_buf;
2802 ct.nitems = incr_buf_fill;
2803 incr_buf = 0;
2804 incr_buf_size = 0;
2805 incr_ev.stop ();
2806 }
2807 else
2808 {
2809 if (selection_wait == Sel_normal
2810 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2811 {
2812 /*
2813 * pass through again trying CUT_BUFFER0 if we've come from
2814 * XConvertSelection () but nothing was presented
2815 */
2816 selection_paste (display->root, XA_CUT_BUFFER0, False);
2817 }
2818
2819 goto bailout;
2820 }
2821 }
2822 else if (selection_wait == Sel_incr)
2823 {
2824 incr_ev.start (10);
2825
2826 while (incr_buf_fill + ct.nitems > incr_buf_size)
2827 {
2828 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2829 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2830 }
2831
2832 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2833 incr_buf_fill += ct.nitems;
2834
2835 goto bailout;
2836 }
2837
2838 char **cl;
2839 int cr;
2840
2841#if !ENABLE_MINIMAL
2842 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2843 // so recode it manually
2844 if (ct.encoding == xa[XA_UTF8_STRING])
2845 {
2846 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2847 char *s = rxvt_wcstombs (w);
2848 free (w);
2849 // TODO: strlen == only the first element will be converted. well...
2850 paste (s, strlen (s));
2851 free (s);
2852 }
2853 else
2854#endif
2855 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2856 && cl)
2857 {
2858 for (int i = 0; i < cr; i++)
2859 paste (cl[i], strlen (cl[i]));
2860
2861 XFreeStringList (cl);
2862 }
2863 else
2864 paste ((char *)ct.value, ct.nitems); // paste raw
2865
2866bailout:
2867 XFree (ct.value);
2868
2869 if (selection_wait == Sel_normal)
2870 selection_wait = Sel_none;
2871}
2872
2873void
2874rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2875{
2876 selection_wait = Sel_none;
2877
2878 incr_buf_size = 0;
2879 free (incr_buf);
2880
2881 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2882}
2883
2884void
2885rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2886{
2887 if (prop == None || selection_wait != Sel_incr)
2888 return;
2889
2890 selection_paste (win, prop, true);
2891}
2892
2893/* ------------------------------------------------------------------------- */
2894/*
2895 * Request the current selection:
2896 * Order: > internal selection if available
2897 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2898 * > CUT_BUFFER0
2899 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2900 * will auto fallback to CUT_BUFFER0
2901 * EXT: button 2 release 2735 * EXT: button 2 release
2902 */ 2736 */
2903void 2737void
2904rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2738rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2905{ 2739{
2906 if (selection.text && selnum == Sel_Primary) 2740 if (!selection_req)
2907 {
2908 /* internal selection */
2909 char *str = rxvt_wcstombs (selection.text, selection.len);
2910 paste (str, strlen (str));
2911 free (str);
2912 return;
2913 } 2741 {
2914 else 2742 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2743 selection_req->run ();
2915 { 2744 }
2916 selection_request_time = tm;
2917 selection_wait = Sel_normal;
2918
2919#if X_HAVE_UTF8_STRING
2920 selection_type = Sel_UTF8String;
2921 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2922 return;
2923#else
2924 selection_type = Sel_CompoundText;
2925 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2926 return;
2927#endif
2928 }
2929
2930 selection_wait = Sel_none; /* don't loop in selection_paste () */
2931 selection_paste (display->root, XA_CUT_BUFFER0, false);
2932}
2933
2934int
2935rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2936{
2937 Atom sel;
2938
2939 selection_type |= selnum;
2940
2941 if (selnum == Sel_Primary)
2942 sel = XA_PRIMARY;
2943 else if (selnum == Sel_Secondary)
2944 sel = XA_SECONDARY;
2945 else
2946 sel = xa[XA_CLIPBOARD];
2947
2948 if (XGetSelectionOwner (dpy, sel) != None)
2949 {
2950 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2951 vt, selection_request_time);
2952 return 1;
2953 }
2954
2955 return 0;
2956} 2745}
2957 2746
2958/* ------------------------------------------------------------------------- */ 2747/* ------------------------------------------------------------------------- */
2959/* 2748/*
2960 * Clear all selected text 2749 * Clear all selected text
2991 * EXT: button 1 or 3 release 2780 * EXT: button 1 or 3 release
2992 */ 2781 */
2993void 2782void
2994rxvt_term::selection_make (Time tm) 2783rxvt_term::selection_make (Time tm)
2995{ 2784{
2996 int i; 2785 int size;
2997 wchar_t *new_selection_text; 2786 wchar_t *new_selection_text;
2998 text_t *t; 2787 text_t *t;
2999 2788
3000 switch (selection.op) 2789 switch (selection.op)
3001 { 2790 {
3017 return; /* nothing selected, go away */ 2806 return; /* nothing selected, go away */
3018 2807
3019 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)))
3020 return; 2809 return;
3021 2810
3022 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2811 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3023 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));
3024 2813
3025 int ofs = 0; 2814 int ofs = 0;
3026 int extra = 0; 2815 int extra = 0;
3027 2816
3028 int col = selection.beg.col; 2817 int col = selection.beg.col;
3034 { 2823 {
3035#if !ENABLE_MINIMAL 2824#if !ENABLE_MINIMAL
3036 if (selection.rect) 2825 if (selection.rect)
3037 { 2826 {
3038 col = selection.beg.col; 2827 col = selection.beg.col;
3039 end_col = ncol + 1; 2828 end_col = selection.end.col;
3040 } 2829 }
3041 else 2830 else
3042#endif 2831#endif
3043 end_col = ROW(row).l; 2832 end_col = ROW(row).l;
3044 2833
3045 col = max (col, 0); 2834 col = max (col, 0);
3046 2835
3047 if (row == selection.end.row 2836 if (row == selection.end.row)
3048#if !ENABLE_MINIMAL
3049 || selection.rect
3050#endif
3051 )
3052 min_it (end_col, selection.end.col); 2837 min_it (end_col, selection.end.col);
3053 2838
3054 t = ROW(row).t + col; 2839 t = ROW(row).t + col;
3055 2840
3056 for (; col < end_col; col++) 2841 for (; col < end_col; col++)
3064 2849
3065 extra -= (len - 1); 2850 extra -= (len - 1);
3066 2851
3067 if (extra < 0) 2852 if (extra < 0)
3068 { 2853 {
3069 extra += i; 2854 extra += size;
3070 i += i; 2855 size += size;
3071 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));
3072 } 2857 }
3073 2858
3074 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2859 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3075 } 2860 }
3076#endif 2861#endif
3088 2873
3089 new_selection_text[ofs++] = C0_LF; 2874 new_selection_text[ofs++] = C0_LF;
3090 } 2875 }
3091 else 2876 else
3092#endif 2877#endif
3093 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))
3094 new_selection_text[ofs++] = C0_LF; 2881 new_selection_text[ofs++] = C0_LF;
3095 } 2882 }
3096
3097 if (end_col != selection.end.col)
3098 new_selection_text[ofs++] = C0_LF;
3099 2883
3100 new_selection_text[ofs] = 0; 2884 new_selection_text[ofs] = 0;
3101 2885
3102 if (ofs == 0) 2886 if (ofs == 0)
3103 { 2887 {
3159/* ------------------------------------------------------------------------- */ 2943/* ------------------------------------------------------------------------- */
3160/* 2944/*
3161 * 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
3162 * EXT: button 1 press 2946 * EXT: button 1 press
3163 */ 2947 */
3164void 2948void ecb_cold
3165rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2949rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3166{ 2950{
3167 clicks = ((clicks - 1) % 3) + 1; 2951 clicks = ((clicks - 1) % 3) + 1;
3168 selection.clicks = clicks; /* save clicks so extend will work */ 2952 selection.clicks = clicks; /* save clicks so extend will work */
3169 2953
3188 2972
3189/* ------------------------------------------------------------------------- */ 2973/* ------------------------------------------------------------------------- */
3190/* 2974/*
3191 * Mark a selection at the specified col/row 2975 * Mark a selection at the specified col/row
3192 */ 2976 */
3193void 2977void ecb_cold
3194rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2978rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3195{ 2979{
3196 want_refresh = 1; 2980 want_refresh = 1;
3197 2981
3198 selection.mark.row = row + view_start; 2982 selection.mark.row = row + view_start;
3225/* 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 */
3226#define DELIMIT_TEXT(x) \ 3010#define DELIMIT_TEXT(x) \
3227 (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)))
3228#define DELIMIT_REND(x) 1 3012#define DELIMIT_REND(x) 1
3229 3013
3230void 3014void ecb_cold
3231rxvt_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
3232{ 3016{
3233 int col, row, dirnadd, tcol, trow, w1, w2; 3017 int col, row, dirnadd, tcol, trow, w1, w2;
3234 row_col_t bound; 3018 row_col_t bound;
3235 text_t *stp; 3019 text_t *stp;
3309 * EXT: button 3 press; button 1 or 3 drag 3093 * EXT: button 3 press; button 1 or 3 drag
3310 * flag == 0 ==> button 1 3094 * flag == 0 ==> button 1
3311 * flag == 1 ==> button 3 press 3095 * flag == 1 ==> button 3 press
3312 * flag == 2 ==> button 3 motion 3096 * flag == 2 ==> button 3 motion
3313 */ 3097 */
3314void 3098void ecb_cold
3315rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3099rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3316{ 3100{
3317 int col = clamp (Pixel2Col (x), 0, ncol); 3101 int col = clamp (Pixel2Col (x), 0, ncol);
3318 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3102 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3319 3103
3345 3129
3346/* ------------------------------------------------------------------------- */ 3130/* ------------------------------------------------------------------------- */
3347/* 3131/*
3348 * Extend the selection to the specified col/row 3132 * Extend the selection to the specified col/row
3349 */ 3133 */
3350void 3134void ecb_cold
3351rxvt_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
3352{ 3136{
3353 row_col_t pos; 3137 row_col_t pos;
3354 enum { 3138 enum {
3355 LEFT, RIGHT 3139 LEFT, RIGHT
3546 ::swap (selection.beg.col, selection.end.col); 3330 ::swap (selection.beg.col, selection.end.col);
3547#endif 3331#endif
3548} 3332}
3549 3333
3550#if !ENABLE_MINIMAL 3334#if !ENABLE_MINIMAL
3551void 3335void ecb_cold
3552rxvt_term::selection_remove_trailing_spaces () NOTHROW 3336rxvt_term::selection_remove_trailing_spaces () NOTHROW
3553{ 3337{
3554 int32_t end_col, end_row; 3338 int32_t end_col, end_row;
3555 text_t *stp; 3339 text_t *stp;
3556 3340
3594/* ------------------------------------------------------------------------- */ 3378/* ------------------------------------------------------------------------- */
3595/* 3379/*
3596 * Double click on button 3 when already selected 3380 * Double click on button 3 when already selected
3597 * EXT: button 3 double click 3381 * EXT: button 3 double click
3598 */ 3382 */
3599void 3383void ecb_cold
3600rxvt_term::selection_rotate (int x, int y) NOTHROW 3384rxvt_term::selection_rotate (int x, int y) NOTHROW
3601{ 3385{
3602 selection.clicks = selection.clicks % 3 + 1; 3386 selection.clicks = selection.clicks % 3 + 1;
3603 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3387 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3604} 3388}
3606/* ------------------------------------------------------------------------- */ 3390/* ------------------------------------------------------------------------- */
3607/* 3391/*
3608 * Respond to a request for our current selection 3392 * Respond to a request for our current selection
3609 * EXT: SelectionRequest 3393 * EXT: SelectionRequest
3610 */ 3394 */
3611void 3395void ecb_cold
3612rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3396rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3613{ 3397{
3398 Atom property = rq.property == None ? rq.target : rq.property;
3614 XSelectionEvent ev; 3399 XSelectionEvent ev;
3615 3400
3616 ev.type = SelectionNotify; 3401 ev.type = SelectionNotify;
3617 ev.property = None; 3402 ev.property = None;
3618 ev.display = rq.display; 3403 ev.display = rq.display;
3633 *target++ = xa[XA_COMPOUND_TEXT]; 3418 *target++ = xa[XA_COMPOUND_TEXT];
3634#if X_HAVE_UTF8_STRING 3419#if X_HAVE_UTF8_STRING
3635 *target++ = xa[XA_UTF8_STRING]; 3420 *target++ = xa[XA_UTF8_STRING];
3636#endif 3421#endif
3637 3422
3638 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3423 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3639 32, PropModeReplace, 3424 32, PropModeReplace,
3640 (unsigned char *)target_list, target - target_list); 3425 (unsigned char *)target_list, target - target_list);
3641 ev.property = rq.property; 3426 ev.property = property;
3642 } 3427 }
3643#if TODO // TODO 3428#if TODO // TODO
3644 else if (rq.target == xa[XA_MULTIPLE]) 3429 else if (rq.target == xa[XA_MULTIPLE])
3645 { 3430 {
3646 /* TODO: Handle MULTIPLE */ 3431 /* TODO: Handle MULTIPLE */
3647 } 3432 }
3648#endif 3433#endif
3649 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)
3650 { 3435 {
3651 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3436 XChangeProperty (dpy, rq.requestor, property, rq.target,
3652 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3437 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3653 ev.property = rq.property; 3438 ev.property = property;
3654 } 3439 }
3655 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)
3656 { 3441 {
3657 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3442 XChangeProperty (dpy, rq.requestor, property, rq.target,
3658 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3443 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3659 ev.property = rq.property; 3444 ev.property = property;
3660 } 3445 }
3661 else if (rq.target == XA_STRING 3446 else if (rq.target == XA_STRING
3662 || rq.target == xa[XA_TEXT] 3447 || rq.target == xa[XA_TEXT]
3663 || rq.target == xa[XA_COMPOUND_TEXT] 3448 || rq.target == xa[XA_COMPOUND_TEXT]
3664 || rq.target == xa[XA_UTF8_STRING] 3449 || rq.target == xa[XA_UTF8_STRING]
3735 ct.value = (unsigned char *)cl; 3520 ct.value = (unsigned char *)cl;
3736 ct.nitems = selectlen; 3521 ct.nitems = selectlen;
3737 ct.encoding = target; 3522 ct.encoding = target;
3738 } 3523 }
3739 3524
3740 XChangeProperty (dpy, rq.requestor, rq.property, 3525 XChangeProperty (dpy, rq.requestor, property,
3741 ct.encoding, 8, PropModeReplace, 3526 ct.encoding, 8, PropModeReplace,
3742 ct.value, (int)ct.nitems); 3527 ct.value, (int)ct.nitems);
3743 ev.property = rq.property; 3528 ev.property = property;
3744 3529
3745 if (freect) 3530 if (freect)
3746 XFree (ct.value); 3531 XFree (ct.value);
3747 } 3532 }
3748 3533
3749 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3534 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3750} 3535}
3751 3536
3752/* ------------------------------------------------------------------------- */ 3537/* ------------------------------------------------------------------------- */
3753#ifdef USE_XIM 3538#if USE_XIM
3754void 3539void ecb_cold
3755rxvt_term::im_set_position (XPoint &pos) NOTHROW 3540rxvt_term::im_set_position (XPoint &pos) NOTHROW
3756{ 3541{
3757 XWindowAttributes xwa; 3542 XWindowAttributes xwa;
3758 3543
3759 XGetWindowAttributes (dpy, vt, &xwa); 3544 XGetWindowAttributes (dpy, vt, &xwa);

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