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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.381 by sf-exg, Fri Apr 22 10:01:39 2011 UTC vs.
Revision 1.429 by root, Sun Jan 13 20:11:21 2013 UTC

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;
98 96
99/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
100void 98void
101rxvt_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
102{ 100{
103 if (!l.t) 101 if (!l.valid ())
104 { 102 {
105 lalloc (l); 103 l.alloc ();
106 col = 0; 104 col = 0;
107 width = ncol; 105 width = ncol;
108 } 106 }
109 107
110 l.touch (); 108 l.touch ();
157/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
160 158
161void 159void
160rxvt_term::scr_alloc () NOTHROW
161{
162 int tsize = sizeof (text_t) * ncol;
163 int rsize = sizeof (rend_t) * ncol;
164
165 // we assume that rend_t size is a sufficient alignment
166 // factor for text_t and line_t values, and we only
167 // need to adjust tsize.
168 tsize = (tsize + sizeof (rend_t) - 1);
169 tsize -= tsize % sizeof (rend_t);
170
171 int all_rows = total_rows + nrow + nrow;
172
173 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174 chunk = chunk_alloc (chunk_size, 0);
175
176 char *base = (char *)chunk + sizeof (line_t) * all_rows;
177
178 for (int row = 0; row < all_rows; ++row)
179 {
180 line_t &l = ((line_t *)chunk) [row];
181
182 l.t = (text_t *)base; base += tsize;
183 l.r = (rend_t *)base; base += rsize;
184 l.l = -1;
185 l.f = 0;
186 }
187
188 drawn_buf = (line_t *)chunk;
189 swap_buf = drawn_buf + nrow;
190 row_buf = swap_buf + nrow;
191}
192
193void ecb_cold
162rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
163{ 195{
164#if ENABLE_OVERLAY 196#if ENABLE_OVERLAY
165 scr_overlay_off (); 197 scr_overlay_off ();
166#endif 198#endif
192 total_rows = nrow + saveLines; 224 total_rows = nrow + saveLines;
193 225
194 screen.tscroll = 0; 226 screen.tscroll = 0;
195 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
196 228
229 void *prev_chunk = chunk;
230 size_t prev_chunk_size = chunk_size;
231 line_t *prev_drawn_buf = drawn_buf;
232 line_t *prev_swap_buf = swap_buf;
233 line_t *prev_row_buf = row_buf;
234
235 int common_col = min (prev_ncol, ncol);
236
237 scr_alloc ();
238
197 if (!row_buf) 239 if (!prev_row_buf)
198 { 240 {
199 /* 241 /*
200 * first time called so just malloc everything: don't rely on realloc 242 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
201 */ 243 */
202 top_row = 0; 244 top_row = 0;
203 term_start = 0; 245 term_start = 0;
204
205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
207
208 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211
212 for (int row = nrow; row--; )
213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
218 246
219 memset (charsets, 'B', sizeof (charsets)); 247 memset (charsets, 'B', sizeof (charsets));
220 rstyle = DEFAULT_RSTYLE; 248 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 249 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 250 screen.cur.row = screen.cur.col = 0;
245 { 273 {
246 /* 274 /*
247 * add or delete rows as appropriate 275 * add or delete rows as appropriate
248 */ 276 */
249 277
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
254 if (nrow < prev_nrow)
255 {
256 for (int row = nrow; row < prev_nrow; row++)
257 {
258 lfree (swap_buf [row]);
259 lfree (drawn_buf[row]);
260 }
261 }
262#endif
263
264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266
267 for (int row = min (nrow, prev_nrow); row--; ) 278 for (int row = min (nrow, prev_nrow); row--; )
268 { 279 {
269 lresize (drawn_buf[row]); 280 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
270 lresize (swap_buf [row]); 281 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
271 }
272 282
273 for (int row = prev_nrow; row < nrow; row++) 283 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
284 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
285
286 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
287 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
288 swap_buf [row].l = prev_swap_buf [row].l;
274 { 289 }
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
281 290
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 291 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows); 292 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row 293 int q = total_rows; // rewrapped row
285 294
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 302 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294 303
295 do 304 do
296 { 305 {
297 p = MOD (p - 1, prev_total_rows); 306 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t); 307 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1; 308 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l; 309 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
301 310
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 311 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
303 { 312 {
304 p = MOD (p - 1, prev_total_rows); 313 p = MOD (p - 1, prev_total_rows);
305 314
306 plines++; 315 plines++;
307 llen += prev_ncol; 316 llen += prev_ncol;
320 329
321 // re-assemble the full line by destination lines 330 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++) 331 for (int qrow = q; qlines--; qrow++)
323 { 332 {
324 qline = row_buf + qrow; 333 qline = row_buf + qrow;
325 lalloc (*qline); 334 qline->alloc (); // redundant with next line
326 qline->l = ncol; 335 qline->l = ncol;
327 qline->is_longer (1); 336 qline->is_longer (1);
328 337
329 int qcol = 0; 338 int qcol = 0;
330 339
345 // this seems to upset applications/shells/readline 354 // this seems to upset applications/shells/readline
346 // least. 355 // least.
347 if (prow == ocur.row) 356 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow); 357 screen.cur.row = q - (total_rows - nrow);
349 358
350 line_t &pline = old_buf [prow]; 359 line_t &pline = prev_row_buf [prow];
351 360
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 361 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353 362
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 363 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 364 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
376 { 385 {
377 // if no scrollback exists (yet), wing, instead of wrap 386 // if no scrollback exists (yet), wing, instead of wrap
378 387
379 for (int row = min (nrow, prev_nrow); row--; ) 388 for (int row = min (nrow, prev_nrow); row--; )
380 { 389 {
381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 390 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
382 line_t &qline = row_buf [row]; 391 line_t &dst = row_buf [row];
383 392
384 qline = pline; 393 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
385 lresize (qline); 394
395 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
396 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
397 dst.l = common_col;
386 } 398 }
387 399
388 for (int row = prev_nrow; row < nrow; row++) 400 for (int row = prev_nrow; row < nrow; row++)
389 {
390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 401 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
391 }
392 402
393 term_start = 0; 403 term_start = 0;
394 } 404 }
395
396 free (old_buf);
397 delete old_ta;
398 delete old_ra;
399 405
400 clamp_it (screen.cur.row, 0, nrow - 1); 406 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1); 407 clamp_it (screen.cur.col, 0, ncol - 1);
402 } 408 }
403 409
410 for (int row = nrow; row--; )
411 {
412 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
413 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
414 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
415 }
416
417 chunk_free (prev_chunk, prev_chunk_size);
418
404 free (tabs); 419 free (tabs);
405 tabs = (char *)rxvt_malloc (ncol); 420 tabs = (char *)rxvt_malloc (ncol);
406 421
407 for (int col = ncol; col--; ) 422 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0; 423 tabs [col] = col % TABSIZE == 0;
415 tt_winch (); 430 tt_winch ();
416 431
417 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 432 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
418} 433}
419 434
420/* ------------------------------------------------------------------------- */ 435void ecb_cold
421/*
422 * Free everything. That way malloc debugging can find leakage.
423 */
424void
425rxvt_term::scr_release () NOTHROW 436rxvt_term::scr_release () NOTHROW
426{ 437{
427 if (row_buf) 438 chunk_free (chunk, chunk_size);
428 { 439 chunk = 0;
429 delete talloc; talloc = 0; 440 row_buf = 0;
430 delete ralloc; ralloc = 0;
431 441
432 free (row_buf);
433 free (swap_buf);
434 free (drawn_buf);
435 row_buf = 0; // signal that we freed all the arrays above
436
437 free (tabs); 442 free (tabs);
438 tabs = 0; 443 tabs = 0;
439 }
440} 444}
441 445
442/* ------------------------------------------------------------------------- */ 446/* ------------------------------------------------------------------------- */
443/* 447/*
444 * Hard/Soft reset 448 * Hard/Soft reset
445 */ 449 */
446void 450void ecb_cold
447rxvt_term::scr_poweron () 451rxvt_term::scr_poweron ()
448{ 452{
449 scr_release (); 453 scr_release ();
454
450 prev_nrow = prev_ncol = 0; 455 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false; 456 rvideo_mode = false;
452 scr_soft_reset (); 457 scr_soft_reset ();
453 scr_reset (); 458 scr_reset ();
454 459
455 scr_clear (true); 460 scr_clear (true);
456 scr_refresh (); 461 scr_refresh ();
457} 462}
458 463
459void 464void ecb_cold
460rxvt_term::scr_soft_reset () 465rxvt_term::scr_soft_reset () NOTHROW
461{ 466{
462 /* only affects modes, nothing drastic such as clearing the screen */ 467 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY 468#if ENABLE_OVERLAY
464 scr_overlay_off (); 469 scr_overlay_off ();
465#endif 470#endif
520 assert (s->cur.row >= 0); 525 assert (s->cur.row >= 0);
521 assert (s->cur.col >= 0); 526 assert (s->cur.col >= 0);
522} 527}
523 528
524void 529void
525rxvt_term::scr_swap_screen () 530rxvt_term::scr_swap_screen () NOTHROW
526{ 531{
527 if (!option (Opt_secondaryScreen)) 532 if (!option (Opt_secondaryScreen))
528 return; 533 return;
529 534
530 for (int i = prev_nrow; i--; ) 535 for (int i = prev_nrow; i--; )
549 return; 554 return;
550 555
551 want_refresh = 1; 556 want_refresh = 1;
552 view_start = 0; 557 view_start = 0;
553 558
554 selection_check (2); /* check for boundary cross */ 559 /* check for boundary cross */
560 row_col_t pos;
561 pos.row = pos.col = 0;
562 if (ROWCOL_IS_BEFORE (selection.beg, pos)
563 && ROWCOL_IS_AFTER (selection.end, pos))
564 CLEAR_SELECTION ();
555 565
556 current_screen = scrn; 566 current_screen = scrn;
557 567
558#if NSCREENS 568#if NSCREENS
559 if (option (Opt_secondaryScreen)) 569 if (option (Opt_secondaryScreen))
625/* 635/*
626 * Scroll text between <row1> and <row2> inclusive, by <count> lines 636 * Scroll text between <row1> and <row2> inclusive, by <count> lines
627 * count positive ==> scroll up 637 * count positive ==> scroll up
628 * count negative ==> scroll down 638 * count negative ==> scroll down
629 */ 639 */
630int 640int ecb_hot
631rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 641rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
632{ 642{
633 if (count == 0 || (row1 > row2)) 643 if (count == 0 || (row1 > row2))
634 return 0; 644 return 0;
635 645
638 648
639 if (count > 0 649 if (count > 0
640 && row1 == 0 650 && row1 == 0
641 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 651 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
642 { 652 {
653 min_it (count, total_rows - (nrow - (row2 + 1)));
654
643 top_row = max (top_row - count, -saveLines); 655 top_row = max (top_row - count, -saveLines);
644
645 // scroll everything up 'count' lines
646 term_start = (term_start + count) % total_rows;
647 656
648 // sever bottommost line 657 // sever bottommost line
649 { 658 {
650 line_t &l = ROW(row2 - count); 659 line_t &l = ROW(row2);
651 l.is_longer (0); 660 l.is_longer (0);
652 l.touch (); 661 l.touch ();
653 } 662 }
654 663
664 // scroll everything up 'count' lines
665 term_start = (term_start + count) % total_rows;
666
667 // now copy lines below the scroll region bottom to the
668 // bottom of the screen again, so they look as if they
669 // hadn't moved.
670 for (int i = nrow; --i > row2; )
671 {
672 line_t &l1 = ROW(i - count);
673 line_t &l2 = ROW(i);
674
675 ::swap (l1, l2);
676 l2.touch ();
677 }
678
655 // erase newly scrolled-in lines 679 // erase newly scrolled-in lines
656 for (int i = count; i--; ) 680 for (int i = count; i--; )
657 { 681 {
658 line_t &l = ROW(nrow - 1 - i); 682 line_t &l = ROW(row2 - i);
659 683
660 // optimize if already cleared, can be significant on slow machines 684 // optimise if already cleared, can be significant on slow machines
661 // could be rolled into scr_blank_screen_mem 685 // could be rolled into scr_blank_screen_mem
662 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 686 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
663 { 687 {
664 scr_blank_line (l, 0, l.l, rstyle); 688 scr_blank_line (l, 0, l.l, rstyle);
665 l.l = 0; 689 l.l = 0;
667 } 691 }
668 else 692 else
669 scr_blank_screen_mem (l, rstyle); 693 scr_blank_screen_mem (l, rstyle);
670 } 694 }
671 695
672 // now copy lines below the scroll region bottom to the
673 // bottom of the screen again, so they look as if they
674 // hadn't moved.
675 for (int i = nrow; --i > row2; )
676 {
677 line_t &l1 = ROW(i - count);
678 line_t &l2 = ROW(i);
679
680 ::swap (l1, l2);
681 l2.touch ();
682 }
683
684 // move and/or clear selection, if any 696 // move and/or clear selection, if any
685 if (selection.op && current_screen == selection.screen) 697 if (selection.op && current_screen == selection.screen
698 && selection.beg.row <= row2)
686 { 699 {
687 selection.beg.row -= count; 700 selection.beg.row -= count;
688 selection.end.row -= count; 701 selection.end.row -= count;
689 selection.mark.row -= count; 702 selection.mark.row -= count;
690 703
691 if (selection.beg.row < top_row 704 selection_check (0);
692 || selection.end.row < top_row
693 || selection.mark.row < top_row)
694 {
695 CLEAR_ALL_SELECTION ();
696 selection.op = SELECTION_CLEAR;
697 }
698 } 705 }
699 706
700 // finally move the view window, if desired 707 // finally move the view window, if desired
701 if (option (Opt_scrollWithBuffer) 708 if (option (Opt_scrollWithBuffer)
702 && view_start != 0 709 && view_start != 0
732 } 739 }
733 740
734 // use a simple and robust scrolling algorithm, this 741 // use a simple and robust scrolling algorithm, this
735 // part of scr_scroll_text is not time-critical. 742 // part of scr_scroll_text is not time-critical.
736 743
744 // sever line above scroll region
745 if (row1)
746 {
747 line_t &l = ROW(row1 - 1);
748 l.is_longer (0);
749 l.touch ();
750 }
751
737 int rows = row2 - row1 + 1; 752 int rows = row2 - row1 + 1;
738 753
739 min_it (count, rows); 754 min_it (count, rows);
740 755
741 line_t *temp_buf = row_buf + total_rows; 756 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
742 757
743 for (int row = 0; row < rows; row++) 758 for (int row = 0; row < rows; row++)
744 { 759 {
745 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 760 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
746 761
748 scr_blank_screen_mem (temp_buf [row], rstyle); 763 scr_blank_screen_mem (temp_buf [row], rstyle);
749 } 764 }
750 765
751 for (int row = 0; row < rows; row++) 766 for (int row = 0; row < rows; row++)
752 ROW(row1 + row) = temp_buf [row]; 767 ROW(row1 + row) = temp_buf [row];
768
769 // sever bottommost line
770 {
771 line_t &l = ROW(row2);
772 l.is_longer (0);
773 l.touch ();
774 }
753 } 775 }
754 776
755 return count; 777 return count;
756} 778}
757 779
758/* ------------------------------------------------------------------------- */ 780/* ------------------------------------------------------------------------- */
759/* 781/*
760 * Add text given in <str> of length <len> to screen struct 782 * Add text given in <str> of length <len> to screen struct
761 */ 783 */
762void 784void ecb_hot
763rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 785rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
764{ 786{
765 if (len <= 0) /* sanity */ 787 if (len <= 0) /* sanity */
766 return; 788 return;
767 789
768 unsigned char checksel; 790 bool checksel;
769 unicode_t c; 791 unicode_t c;
770 int ncol = this->ncol; 792 int ncol = this->ncol;
771 const wchar_t *strend = str + len; 793 const wchar_t *strend = str + len;
772 794
773 want_refresh = 1; 795 want_refresh = 1;
799 821
800 while (str < strend) 822 while (str < strend)
801 { 823 {
802 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 824 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
803 825
804 if (expect_false (c < 0x20)) 826 if (ecb_unlikely (c < 0x20))
805 if (c == C0_LF) 827 if (c == C0_LF)
806 { 828 {
807 max_it (line->l, screen.cur.col); 829 max_it (line->l, screen.cur.col);
808 830
809 screen.flags &= ~Screen_WrapNext; 831 screen.flags &= ~Screen_WrapNext;
828 { 850 {
829 scr_tab (1, true); 851 scr_tab (1, true);
830 continue; 852 continue;
831 } 853 }
832 854
833 if (expect_false ( 855 if (ecb_unlikely (
834 checksel /* see if we're writing within selection */ 856 checksel /* see if we're writing within selection */
835 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 857 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
836 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 858 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
837 )) 859 ))
838 { 860 {
843 * should be a similar check. 865 * should be a similar check.
844 */ 866 */
845 CLEAR_SELECTION (); 867 CLEAR_SELECTION ();
846 } 868 }
847 869
848 if (expect_false (screen.flags & Screen_WrapNext)) 870 if (ecb_unlikely (screen.flags & Screen_WrapNext))
849 { 871 {
850 scr_do_wrap (); 872 scr_do_wrap ();
851 873
852 line->l = ncol; 874 line->l = ncol;
853 line->is_longer (1); 875 line->is_longer (1);
855 row = screen.cur.row; 877 row = screen.cur.row;
856 line = &ROW(row); /* _must_ refresh */ 878 line = &ROW(row); /* _must_ refresh */
857 } 879 }
858 880
859 // some utf-8 decoders "decode" surrogate characters: let's fix this. 881 // some utf-8 decoders "decode" surrogate characters: let's fix this.
860 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 882 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
861 c = 0xfffd; 883 c = 0xfffd;
862 884
863 // rely on wcwidth to tell us the character width, do wcwidth before 885 // rely on wcwidth to tell us the character width, do wcwidth before
864 // further replacements, as wcwidth might return -1 for the line 886 // further replacements, as wcwidth might return -1 for the line
865 // drawing characters below as they might be invalid in the current 887 // drawing characters below as they might be invalid in the current
866 // locale. 888 // locale.
867 int width = WCWIDTH (c); 889 int width = WCWIDTH (c);
868 890
869 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 891 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
870 { 892 {
871 // vt100 special graphics and line drawing 893 // vt100 special graphics and line drawing
872 // 5f-7e standard vt100 894 // 5f-7e standard vt100
873 // 40-5e rxvt extension for extra curses acs chars 895 // 40-5e rxvt extension for extra curses acs chars
874 static uint16_t vt100_0[62] = { // 41 .. 7e 896 static uint16_t vt100_0[62] = { // 41 .. 7e
887 c = vt100_0[c - 0x41]; 909 c = vt100_0[c - 0x41];
888 width = 1; // vt100 line drawing characters are always single-width 910 width = 1; // vt100 line drawing characters are always single-width
889 } 911 }
890 } 912 }
891 913
892 if (expect_false (screen.flags & Screen_Insert)) 914 if (ecb_unlikely (screen.flags & Screen_Insert))
893 scr_insdel_chars (width, INSERT); 915 scr_insdel_chars (width, INSERT);
894 916
895 if (width != 0) 917 if (width != 0)
896 { 918 {
897#if !UNICODE_3 919#if !UNICODE_3
905#endif 927#endif
906 928
907 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 929 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
908 930
909 // if the character doesn't fit into the remaining columns... 931 // if the character doesn't fit into the remaining columns...
910 if (expect_false (screen.cur.col > ncol - width && ncol >= width)) 932 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
911 { 933 {
912 if (screen.flags & Screen_Autowrap) 934 if (screen.flags & Screen_Autowrap)
913 { 935 {
914 // ... artificially enlargen the previous one 936 // ... artificially enlargen the previous one
915 c = NOCHAR; 937 c = NOCHAR;
922 944
923 // nuke the character at this position, if required 945 // nuke the character at this position, if required
924 // due to wonderful coincidences everywhere else in this loop 946 // due to wonderful coincidences everywhere else in this loop
925 // we never have to check for overwriting a wide char itself, 947 // we never have to check for overwriting a wide char itself,
926 // only its tail. 948 // only its tail.
927 if (expect_false (line->t[screen.cur.col] == NOCHAR)) 949 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
928 scr_kill_char (*line, screen.cur.col); 950 scr_kill_char (*line, screen.cur.col);
929 951
930 line->touch (); 952 line->touch ();
931 953
932 do 954 do
933 { 955 {
934 line->t[screen.cur.col] = c; 956 line->t[screen.cur.col] = c;
935 line->r[screen.cur.col] = rend; 957 line->r[screen.cur.col] = rend;
936 958
937 if (expect_true (screen.cur.col < ncol - 1)) 959 if (ecb_likely (screen.cur.col < ncol - 1))
938 screen.cur.col++; 960 screen.cur.col++;
939 else 961 else
940 { 962 {
941 line->l = ncol; 963 line->l = ncol;
942 if (screen.flags & Screen_Autowrap) 964 if (screen.flags & Screen_Autowrap)
945 goto end_of_line; 967 goto end_of_line;
946 } 968 }
947 969
948 c = NOCHAR; 970 c = NOCHAR;
949 } 971 }
950 while (expect_false (--width > 0)); 972 while (ecb_unlikely (--width > 0));
951 973
952 // pad with spaces when overwriting wide character with smaller one 974 // pad with spaces when overwriting wide character with smaller one
953 for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++) 975 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
954 { 976 {
955 line->t[c] = ' '; 977 line->t[c] = ' ';
956 line->r[c] = rend; 978 line->r[c] = rend;
957 } 979 }
958 980
1117 * XTERM_SEQ: ESC 6 1139 * XTERM_SEQ: ESC 6
1118 * Move cursor left in row. If we're at the left boundary, shift everything 1140 * Move cursor left in row. If we're at the left boundary, shift everything
1119 * in that row right. Clear left column. 1141 * in that row right. Clear left column.
1120 */ 1142 */
1121#if !ENABLE_MINIMAL 1143#if !ENABLE_MINIMAL
1122void 1144void ecb_cold
1123rxvt_term::scr_backindex () NOTHROW 1145rxvt_term::scr_backindex () NOTHROW
1124{ 1146{
1125 if (screen.cur.col > 0) 1147 if (screen.cur.col > 0)
1126 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1148 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1127 else 1149 else
1134 * XTERM_SEQ: ESC 9 1156 * XTERM_SEQ: ESC 9
1135 * Move cursor right in row. If we're at the right boundary, shift everything 1157 * Move cursor right in row. If we're at the right boundary, shift everything
1136 * in that row left. Clear right column. 1158 * in that row left. Clear right column.
1137 */ 1159 */
1138#if !ENABLE_MINIMAL 1160#if !ENABLE_MINIMAL
1139void 1161void ecb_cold
1140rxvt_term::scr_forwardindex () NOTHROW 1162rxvt_term::scr_forwardindex () NOTHROW
1141{ 1163{
1142 if (screen.cur.col < ncol - 1) 1164 if (screen.cur.col < ncol - 1)
1143 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1165 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1144 else 1166 else
1295 scr_blank_line (line, col, num, rstyle); 1317 scr_blank_line (line, col, num, rstyle);
1296} 1318}
1297 1319
1298/* ------------------------------------------------------------------------- */ 1320/* ------------------------------------------------------------------------- */
1299/* 1321/*
1300 * Erase part of whole of the screen 1322 * Erase part or whole of the screen
1301 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1323 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1302 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1324 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1303 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1325 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1304 */ 1326 */
1305void 1327void
1314 ZERO_SCROLLBACK (); 1336 ZERO_SCROLLBACK ();
1315 1337
1316 switch (mode) 1338 switch (mode)
1317 { 1339 {
1318 case 0: /* erase to end of screen */ 1340 case 0: /* erase to end of screen */
1319 selection_check (1);
1320 scr_erase_line (0); 1341 scr_erase_line (0);
1321 row = screen.cur.row + 1; /* possible OOB */ 1342 row = screen.cur.row + 1; /* possible OOB */
1322 num = nrow - row; 1343 num = nrow - row;
1323 break; 1344 break;
1324 case 1: /* erase to beginning of screen */ 1345 case 1: /* erase to beginning of screen */
1325 selection_check (3);
1326 scr_erase_line (1); 1346 scr_erase_line (1);
1327 row = 0; 1347 row = 0;
1328 num = screen.cur.row; 1348 num = screen.cur.row;
1329 break; 1349 break;
1330 case 2: /* erase whole screen */ 1350 case 2: /* erase whole screen */
1331 selection_check (3);
1332 row = 0; 1351 row = 0;
1333 num = nrow; 1352 num = nrow;
1334 break; 1353 break;
1335 default: 1354 default:
1336 return; 1355 return;
1353 { 1372 {
1354 ren = DEFAULT_RSTYLE; 1373 ren = DEFAULT_RSTYLE;
1355 1374
1356 if (mapped) 1375 if (mapped)
1357 XClearArea (dpy, vt, 0, 1376 XClearArea (dpy, vt, 0,
1358 Row2Pixel (row - view_start), (unsigned int)width, 1377 Row2Pixel (row - view_start), (unsigned int)vt_width,
1359 (unsigned int)Height2Pixel (num), False); 1378 (unsigned int)Height2Pixel (num), False);
1360 } 1379 }
1361 else 1380 else
1362 { 1381 {
1363 ren = rstyle & (RS_fgMask | RS_bgMask); 1382 ren = rstyle & (RS_fgMask | RS_bgMask);
1366 { 1385 {
1367 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1386 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1368 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1387 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1369 XFillRectangle (dpy, vt, gc, 1388 XFillRectangle (dpy, vt, gc,
1370 0, Row2Pixel (row - view_start), 1389 0, Row2Pixel (row - view_start),
1371 (unsigned int)width, 1390 (unsigned int)vt_width,
1372 (unsigned int)Height2Pixel (num)); 1391 (unsigned int)Height2Pixel (num));
1373 gcvalue.foreground = pix_colors[Color_fg]; 1392 gcvalue.foreground = pix_colors[Color_fg];
1374 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1375 } 1394 }
1376 } 1395 }
1398/* ------------------------------------------------------------------------- */ 1417/* ------------------------------------------------------------------------- */
1399/* 1418/*
1400 * Fill the screen with `E's 1419 * Fill the screen with `E's
1401 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1420 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1402 */ 1421 */
1403void 1422void ecb_cold
1404rxvt_term::scr_E () NOTHROW 1423rxvt_term::scr_E () NOTHROW
1405{ 1424{
1406 rend_t fs; 1425 rend_t fs;
1407 1426
1408 want_refresh = 1; 1427 want_refresh = 1;
1409 ZERO_SCROLLBACK (); 1428 ZERO_SCROLLBACK ();
1410 1429
1411 num_scr_allow = 0; 1430 num_scr_allow = 0;
1412 selection_check (3); 1431
1432 row_col_t pos;
1433 pos.row = pos.col = 0;
1434 if (ROWCOL_IS_AFTER (selection.end, pos))
1435 CLEAR_SELECTION ();
1413 1436
1414 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1437 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1415 for (int row = nrow; row--; ) 1438 for (int row = nrow; row--; )
1416 { 1439 {
1417 line_t &line = ROW(row); 1440 line_t &line = ROW(row);
1568/* ------------------------------------------------------------------------- */ 1591/* ------------------------------------------------------------------------- */
1569/* 1592/*
1570 * Set the scrolling region 1593 * Set the scrolling region
1571 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1594 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1572 */ 1595 */
1573void 1596void ecb_cold
1574rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1597rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1575{ 1598{
1576 max_it (top, 0); 1599 max_it (top, 0);
1577 min_it (bot, nrow - 1); 1600 min_it (bot, nrow - 1);
1578 1601
1588/* 1611/*
1589 * Make the cursor visible/invisible 1612 * Make the cursor visible/invisible
1590 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1613 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1591 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1614 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1592 */ 1615 */
1593void 1616void ecb_cold
1594rxvt_term::scr_cursor_visible (int mode) NOTHROW 1617rxvt_term::scr_cursor_visible (int mode) NOTHROW
1595{ 1618{
1596 want_refresh = 1; 1619 want_refresh = 1;
1597 1620
1598 if (mode) 1621 if (mode)
1605/* 1628/*
1606 * Set/unset automatic wrapping 1629 * Set/unset automatic wrapping
1607 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1630 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1608 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1631 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1609 */ 1632 */
1610void 1633void ecb_cold
1611rxvt_term::scr_autowrap (int mode) NOTHROW 1634rxvt_term::scr_autowrap (int mode) NOTHROW
1612{ 1635{
1613 if (mode) 1636 if (mode)
1614 screen.flags |= Screen_Autowrap; 1637 screen.flags |= Screen_Autowrap;
1615 else 1638 else
1624 * Relative mode: line numbers are relative to top margin of scrolling region 1647 * Relative mode: line numbers are relative to top margin of scrolling region
1625 * and the cursor cannot be moved outside. 1648 * and the cursor cannot be moved outside.
1626 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1649 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1627 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1650 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1628 */ 1651 */
1629void 1652void ecb_cold
1630rxvt_term::scr_relative_origin (int mode) NOTHROW 1653rxvt_term::scr_relative_origin (int mode) NOTHROW
1631{ 1654{
1632 if (mode) 1655 if (mode)
1633 screen.flags |= Screen_Relative; 1656 screen.flags |= Screen_Relative;
1634 else 1657 else
1641/* 1664/*
1642 * Set insert/replace mode 1665 * Set insert/replace mode
1643 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1666 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1644 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1667 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1645 */ 1668 */
1646void 1669void ecb_cold
1647rxvt_term::scr_insert_mode (int mode) NOTHROW 1670rxvt_term::scr_insert_mode (int mode) NOTHROW
1648{ 1671{
1649 if (mode) 1672 if (mode)
1650 screen.flags |= Screen_Insert; 1673 screen.flags |= Screen_Insert;
1651 else 1674 else
1657 * Set/Unset tabs 1680 * Set/Unset tabs
1658 * XTERM_SEQ: Set tab at current column : ESC H 1681 * XTERM_SEQ: Set tab at current column : ESC H
1659 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1682 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1660 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1683 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1661 */ 1684 */
1662void 1685void ecb_cold
1663rxvt_term::scr_set_tab (int mode) NOTHROW 1686rxvt_term::scr_set_tab (int mode) NOTHROW
1664{ 1687{
1665 if (mode < 0) 1688 if (mode < 0)
1666 memset (tabs, 0, ncol); 1689 memset (tabs, 0, ncol);
1667 else if (screen.cur.col < ncol) 1690 else if (screen.cur.col < ncol)
1686 if (rvideo_state != on) 1709 if (rvideo_state != on)
1687 { 1710 {
1688 rvideo_state = on; 1711 rvideo_state = on;
1689 1712
1690 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1713 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1691#ifdef HAVE_BG_PIXMAP 1714#ifdef HAVE_IMG
1692 if (bg_pixmap == None) 1715 if (bg_img == 0)
1693#endif 1716#endif
1694 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1717 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1695 1718
1696 XGCValues gcvalue; 1719 XGCValues gcvalue;
1697 gcvalue.foreground = pix_colors[Color_fg]; 1720 gcvalue.foreground = pix_colors[Color_fg];
1706/* ------------------------------------------------------------------------- */ 1729/* ------------------------------------------------------------------------- */
1707/* 1730/*
1708 * Report current cursor position 1731 * Report current cursor position
1709 * XTERM_SEQ: Report position: ESC [ 6 n 1732 * XTERM_SEQ: Report position: ESC [ 6 n
1710 */ 1733 */
1711void 1734void ecb_cold
1712rxvt_term::scr_report_position () NOTHROW 1735rxvt_term::scr_report_position () NOTHROW
1713{ 1736{
1714 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1737 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1715} 1738}
1716 1739
1719 * ------------------------------------------------------------------------- */ 1742 * ------------------------------------------------------------------------- */
1720 1743
1721/* 1744/*
1722 * Set font style 1745 * Set font style
1723 */ 1746 */
1724void 1747void ecb_cold
1725rxvt_term::set_font_style () NOTHROW 1748rxvt_term::set_font_style () NOTHROW
1726{ 1749{
1727#if 0 1750#if 0
1728 switch (charsets [screen.charset]) 1751 switch (charsets [screen.charset])
1729 { 1752 {
1751 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1774 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1752 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1775 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1753 * XTERM_SEQ: Invoke G2 character set: ESC N 1776 * XTERM_SEQ: Invoke G2 character set: ESC N
1754 * XTERM_SEQ: Invoke G3 character set: ESC O 1777 * XTERM_SEQ: Invoke G3 character set: ESC O
1755 */ 1778 */
1756void 1779void ecb_cold
1757rxvt_term::scr_charset_choose (int set) NOTHROW 1780rxvt_term::scr_charset_choose (int set) NOTHROW
1758{ 1781{
1759 screen.charset = set; 1782 screen.charset = set;
1760 set_font_style (); 1783 set_font_style ();
1761} 1784}
1782 * ------------------------------------------------------------------------- */ 1805 * ------------------------------------------------------------------------- */
1783 1806
1784/* 1807/*
1785 * refresh matching text. 1808 * refresh matching text.
1786 */ 1809 */
1787bool 1810bool ecb_cold
1788rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1811rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1789{ 1812{
1790 bool found = false; 1813 bool found = false;
1791 1814
1792 for (int i = 0; i < nrow; i++) 1815 for (int i = 0; i < nrow; i++)
1811 PART_BEG = 0, 1834 PART_BEG = 0,
1812 PART_END, 1835 PART_END,
1813 RC_COUNT 1836 RC_COUNT
1814}; 1837};
1815 1838
1816void 1839void ecb_hot
1817rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1840rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1818{ 1841{
1819 int i; 1842 int i;
1820 row_col_t rc[RC_COUNT]; 1843 row_col_t rc[RC_COUNT];
1821 1844
1858 * Refresh the entire screen 1881 * Refresh the entire screen
1859 */ 1882 */
1860void 1883void
1861rxvt_term::scr_touch (bool refresh) NOTHROW 1884rxvt_term::scr_touch (bool refresh) NOTHROW
1862{ 1885{
1863 scr_expose (0, 0, width, height, refresh); 1886 scr_expose (0, 0, vt_width, vt_height, refresh);
1864} 1887}
1865 1888
1866/* ------------------------------------------------------------------------- */ 1889/* ------------------------------------------------------------------------- */
1867/* 1890/*
1868 * Move the display so that the line represented by scrollbar value Y is at 1891 * Move the display so that the line represented by scrollbar value Y is at
1947 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1970 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1948#endif 1971#endif
1949} 1972}
1950 1973
1951/* ------------------------------------------------------------------------- */ 1974/* ------------------------------------------------------------------------- */
1952/* ARGSUSED */ 1975void ecb_cold
1953void
1954rxvt_term::scr_printscreen (int fullhist) NOTHROW 1976rxvt_term::scr_printscreen (int fullhist) NOTHROW
1955{ 1977{
1956#ifdef PRINTPIPE 1978#ifdef PRINTPIPE
1957 int nrows, row_start; 1979 int nrows, row_start;
1958 FILE *fd = popen_printer (); 1980 FILE *fd = popen_printer ();
2007/* 2029/*
2008 * Refresh the screen 2030 * Refresh the screen
2009 * drawn_text/drawn_rend contain the screen information before the update. 2031 * drawn_text/drawn_rend contain the screen information before the update.
2010 * screen.text/screen.rend contain what the screen will change to. 2032 * screen.text/screen.rend contain what the screen will change to.
2011 */ 2033 */
2012void 2034void ecb_hot
2013rxvt_term::scr_refresh () NOTHROW 2035rxvt_term::scr_refresh () NOTHROW
2014{ 2036{
2015 int16_t col, row, /* column/row we're processing */ 2037 int16_t col, row, /* column/row we're processing */
2016 ocrow; /* old cursor row */ 2038 ocrow; /* old cursor row */
2017 int i; /* tmp */ 2039 int i; /* tmp */
2031 * A: set up vars 2053 * A: set up vars
2032 */ 2054 */
2033 refresh_count = 0; 2055 refresh_count = 0;
2034 2056
2035 unsigned int old_screen_flags = screen.flags; 2057 unsigned int old_screen_flags = screen.flags;
2036 char have_bg = 0; 2058 bool have_bg = 0;
2037#ifdef HAVE_BG_PIXMAP 2059#ifdef HAVE_IMG
2038 have_bg = bg_pixmap != None; 2060 have_bg = bg_img != 0;
2039#endif 2061#endif
2040 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2062 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2041 2063
2042 /* 2064 /*
2043 * B: reverse any characters which are selected 2065 * B: reverse any characters which are selected
2047 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2069 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2048#if ENABLE_OVERLAY 2070#if ENABLE_OVERLAY
2049 scr_swap_overlay (); 2071 scr_swap_overlay ();
2050#endif 2072#endif
2051 2073
2052 char showcursor = screen.flags & Screen_VisibleCursor; 2074 bool showcursor = screen.flags & Screen_VisibleCursor;
2053 2075
2054 /* 2076 /*
2055 * C: set the cursor character (s) 2077 * C: set the cursor character (s)
2056 */ 2078 */
2057 { 2079 {
2058 unsigned char setoldcursor; 2080 bool setoldcursor;
2059 2081
2060#ifdef CURSOR_BLINK 2082#ifdef CURSOR_BLINK
2061 if (hidden_cursor) 2083 if (hidden_cursor)
2062 showcursor = 0; 2084 showcursor = 0;
2063#endif 2085#endif
2150 { 2172 {
2151 int16_t nits; 2173 int16_t nits;
2152 int i = num_scr; 2174 int i = num_scr;
2153 int j; 2175 int j;
2154 int len, wlen; 2176 int len, wlen;
2155 dLocal (int, num_scr);
2156 2177
2157 j = nrow; 2178 j = nrow;
2158 wlen = len = -1; 2179 wlen = len = -1;
2159 row = i > 0 ? 0 : j - 1; 2180 row = i > 0 ? 0 : j - 1;
2160 2181
2235 continue; 2256 continue;
2236 2257
2237 // redraw one or more characters 2258 // redraw one or more characters
2238 2259
2239 // seek to the beginning of wide characters 2260 // seek to the beginning of wide characters
2240 while (expect_false (stp[col] == NOCHAR && col > 0)) 2261 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2241 --col; 2262 --col;
2242 2263
2243 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2264 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2244 text_t *text = stp + col; 2265 text_t *text = stp + col;
2245 int count = 1; 2266 int count = 1;
2283 2304
2284 col--; /* went one too far. move back */ 2305 col--; /* went one too far. move back */
2285 count -= i; /* dump any matching trailing chars */ 2306 count -= i; /* dump any matching trailing chars */
2286 2307
2287 // sometimes we optimize away the trailing NOCHAR's, add them back 2308 // sometimes we optimize away the trailing NOCHAR's, add them back
2288 while (expect_false (i && text[count] == NOCHAR)) 2309 while (ecb_unlikely (i && text[count] == NOCHAR))
2289 count++, i--; 2310 count++, i--;
2290 2311
2291 /* 2312 /*
2292 * Determine the attributes for the string 2313 * Determine the attributes for the string
2293 */ 2314 */
2294 int fore = fgcolor_of (rend); // desired foreground 2315 int fore = fgcolor_of (rend); // desired foreground
2295 int back = bgcolor_of (rend); // desired background 2316 int back = bgcolor_of (rend); // desired background
2296 2317
2297 // only do special processing if any attributes are set, which is unlikely 2318 // only do special processing if any attributes are set, which is unlikely
2298 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2319 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2299 { 2320 {
2300 bool invert = rend & RS_RVid; 2321 bool invert = rend & RS_RVid;
2301 2322
2302#ifndef NO_BOLD_UNDERLINE_REVERSE 2323#ifndef NO_BOLD_UNDERLINE_REVERSE
2303 if (rend & RS_Bold && fore == Color_fg) 2324 if (rend & RS_Bold && fore == Color_fg)
2392 /* 2413 /*
2393 * Actually do the drawing of the string here 2414 * Actually do the drawing of the string here
2394 */ 2415 */
2395 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2416 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2396 2417
2397 if (expect_true (have_bg && back == Color_bg)) 2418 if (ecb_likely (have_bg && back == Color_bg))
2398 { 2419 {
2399 // this is very ugly, maybe push it into ->draw? 2420 // this is very ugly, maybe push it into ->draw?
2400 2421
2401 for (i = 0; i < count; i++) /* don't draw empty strings */ 2422 for (i = 0; i < count; i++) /* don't draw empty strings */
2402 if (text[i] != ' ') 2423 if (text[i] != ' ')
2409 did_clear: ; 2430 did_clear: ;
2410 } 2431 }
2411 else 2432 else
2412 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2433 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2413 2434
2414 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2435 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2415 { 2436 {
2416#if ENABLE_FRILLS 2437#if ENABLE_FRILLS
2417 if (ISSET_PIXCOLOR (Color_underline)) 2438 if (ISSET_PIXCOLOR (Color_underline))
2418 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2419 else 2440 else
2465 2486
2466 XDrawRectangle (dpy, vt, gc, 2487 XDrawRectangle (dpy, vt, gc,
2467 Col2Pixel (col), 2488 Col2Pixel (col),
2468 Row2Pixel (oldcursor.row), 2489 Row2Pixel (oldcursor.row),
2469 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2490 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2470 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2491 (unsigned int) (Height2Pixel (1) - 1));
2471 } 2492 }
2472 } 2493 }
2473 2494
2474 /* 2495 /*
2475 * H: cleanup selection 2496 * H: cleanup selection
2484 screen.flags = old_screen_flags; 2505 screen.flags = old_screen_flags;
2485 num_scr = 0; 2506 num_scr = 0;
2486 num_scr_allow = 1; 2507 num_scr_allow = 1;
2487} 2508}
2488 2509
2489void 2510void ecb_cold
2490rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2511rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2491{ 2512{
2492 if (!l.t) 2513 if (!l.valid ())
2493 return; 2514 return;
2494 2515
2495 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2516 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2496 2517
2497 for (int i = ncol; i--; ) 2518 for (int i = ncol; i--; )
2498 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2519 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2499} 2520}
2500 2521
2501void 2522void ecb_cold
2502rxvt_term::scr_remap_chars () NOTHROW 2523rxvt_term::scr_remap_chars () NOTHROW
2503{ 2524{
2504 for (int i = total_rows; i--; ) 2525 for (int i = total_rows; i--; )
2505 scr_remap_chars (row_buf [i]); 2526 scr_remap_chars (row_buf [i]);
2506 2527
2509 scr_remap_chars (drawn_buf [i]); 2530 scr_remap_chars (drawn_buf [i]);
2510 scr_remap_chars (swap_buf [i]); 2531 scr_remap_chars (swap_buf [i]);
2511 } 2532 }
2512} 2533}
2513 2534
2514void 2535void ecb_cold
2515rxvt_term::scr_recolour (bool refresh) NOTHROW 2536rxvt_term::scr_recolour (bool refresh) NOTHROW
2516{ 2537{
2517 bool transparent = false; 2538 bool transparent = false;
2518 2539
2519#ifdef HAVE_BG_PIXMAP 2540#ifdef HAVE_IMG
2520 if (bg_pixmap != None) 2541 if (bg_img != 0)
2521 { 2542 {
2522# ifdef ENABLE_TRANSPARENCY 2543# if ENABLE_TRANSPARENCY
2523 if (bg_flags & BG_IS_TRANSPARENT) 2544 if (bg_flags & BG_IS_TRANSPARENT)
2524 { 2545 {
2525 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap); 2546 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2526 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); 2547 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2527 2548
2528 transparent = true; 2549 transparent = true;
2529 } 2550 }
2530 else 2551 else
2531# endif 2552# endif
2532 { 2553 {
2533 XSetWindowBackground (dpy, parent, pix_colors[Color_border]); 2554 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2534 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap); 2555 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2535 } 2556 }
2536 } 2557 }
2537 else 2558 else
2538#endif 2559#endif
2539 { 2560 {
2546 if (scrollBar.win) 2567 if (scrollBar.win)
2547 { 2568 {
2548 if (transparent) 2569 if (transparent)
2549 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2570 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2550 else 2571 else
2551 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2572 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2552 scrollBar.state = STATE_IDLE; 2573 scrollBar.state = SB_STATE_IDLE;
2553 scrollBar.show (0); 2574 scrollBar.show (0);
2554 } 2575 }
2555 2576
2556 if (refresh) 2577 if (refresh)
2557 { 2578 {
2622 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2643 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2623 srp[col] ^= rstyle; 2644 srp[col] ^= rstyle;
2624} 2645}
2625 2646
2626/* ------------------------------------------------------------------------- */ 2647/* ------------------------------------------------------------------------- */
2627void 2648void ecb_hot
2628rxvt_term::scr_reverse_selection () NOTHROW 2649rxvt_term::scr_reverse_selection () NOTHROW
2629{ 2650{
2630 if (selection.op 2651 if (selection.op
2631 && current_screen == selection.screen 2652 && current_screen == selection.screen
2632 && selection.end.row >= view_start) 2653 && selection.end.row >= view_start)
2651 */ 2672 */
2652#if 0 2673#if 0
2653void 2674void
2654rxvt_term::scr_dump (int fd) NOTHROW 2675rxvt_term::scr_dump (int fd) NOTHROW
2655{ 2676{
2656 int row, wrote; 2677 // if this method is needed, it can be implemented by factoring the
2657 unsigned int width, towrite; 2678 // relevant code in scr_printscreen
2658 const char r1[] = "\n";
2659
2660 for (row = saveLines + top_row;
2661 row < saveLines + nrow - 1; row++)
2662 {
2663 width = row_buf[row].l >= 0 ? row_buf[row].l
2664 : ncol;
2665 for (towrite = width; towrite; towrite -= wrote)
2666 {
2667 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2668 towrite);
2669 if (wrote < 0)
2670 return; /* XXX: death, no report */
2671 }
2672 if (row_buf[row].l >= 0)
2673 if (write (fd, r1, 1) <= 0)
2674 return; /* XXX: death, no report */
2675 }
2676} 2679}
2677#endif 2680#endif
2678 2681
2679/* ------------------------------------------------------------------------- * 2682/* ------------------------------------------------------------------------- *
2680 * CHARACTER SELECTION * 2683 * CHARACTER SELECTION *
2681 * ------------------------------------------------------------------------- */ 2684 * ------------------------------------------------------------------------- */
2682void 2685void
2683rxvt_term::selection_check (int check_more) NOTHROW 2686rxvt_term::selection_check (int check_more) NOTHROW
2684{ 2687{
2685 row_col_t pos;
2686
2687 if (!selection.op) 2688 if (!selection.op)
2688 return; 2689 return;
2689 2690
2690 pos.row = pos.col = 0;
2691 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2691 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2692 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2692 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2693 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2693 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2694 || (check_more == 1 2694 || (check_more == 1
2695 && current_screen == selection.screen 2695 && current_screen == selection.screen
2696 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2696 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2697 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2697 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2698 || (check_more == 2
2699 && ROWCOL_IS_BEFORE (selection.beg, pos)
2700 && ROWCOL_IS_AFTER (selection.end, pos))
2701 || (check_more == 3
2702 && ROWCOL_IS_AFTER (selection.end, pos))
2703 || (check_more == 4 /* screen width change */
2704 && (selection.beg.row != selection.end.row
2705 || selection.end.col > ncol)))
2706 CLEAR_SELECTION (); 2698 CLEAR_ALL_SELECTION ();
2707} 2699}
2708 2700
2709/* ------------------------------------------------------------------------- */ 2701/* ------------------------------------------------------------------------- */
2710/* 2702/*
2711 * Paste a selection direct to the command fd 2703 * Paste a selection direct to the command fd
2717 for (unsigned int i = 0; i < len; i++) 2709 for (unsigned int i = 0; i < len; i++)
2718 if (data[i] == C0_LF) 2710 if (data[i] == C0_LF)
2719 data[i] = C0_CR; 2711 data[i] = C0_CR;
2720 2712
2721 if (priv_modes & PrivMode_BracketPaste) 2713 if (priv_modes & PrivMode_BracketPaste)
2722 tt_printf ("\e[200~"); 2714 tt_printf ("\x1b[200~");
2723 2715
2724 tt_write (data, len); 2716 tt_write (data, len);
2725 2717
2726 if (priv_modes & PrivMode_BracketPaste) 2718 if (priv_modes & PrivMode_BracketPaste)
2727 tt_printf ("\e[201~"); 2719 tt_printf ("\x1b[201~");
2728} 2720}
2729 2721
2730void 2722void
2731rxvt_term::paste (char *data, unsigned int len) NOTHROW 2723rxvt_term::paste (char *data, unsigned int len) NOTHROW
2732{ 2724{
2736 tt_paste (data, len); 2728 tt_paste (data, len);
2737} 2729}
2738 2730
2739/* ------------------------------------------------------------------------- */ 2731/* ------------------------------------------------------------------------- */
2740/* 2732/*
2741 * Request the current selection: 2733 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2742 * Order: > internal selection if available 2734 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2743 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2735 * as fallback
2744 * > CUT_BUFFER0
2745 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2746 * will auto fallback to CUT_BUFFER0
2747 * EXT: button 2 release 2736 * EXT: button 2 release
2748 */ 2737 */
2749void 2738void
2750rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2739rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2751{ 2740{
2955/* ------------------------------------------------------------------------- */ 2944/* ------------------------------------------------------------------------- */
2956/* 2945/*
2957 * Mark or select text based upon number of clicks: 1, 2, or 3 2946 * Mark or select text based upon number of clicks: 1, 2, or 3
2958 * EXT: button 1 press 2947 * EXT: button 1 press
2959 */ 2948 */
2960void 2949void ecb_cold
2961rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2950rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2962{ 2951{
2963 clicks = ((clicks - 1) % 3) + 1; 2952 clicks = ((clicks - 1) % 3) + 1;
2964 selection.clicks = clicks; /* save clicks so extend will work */ 2953 selection.clicks = clicks; /* save clicks so extend will work */
2965 2954
2984 2973
2985/* ------------------------------------------------------------------------- */ 2974/* ------------------------------------------------------------------------- */
2986/* 2975/*
2987 * Mark a selection at the specified col/row 2976 * Mark a selection at the specified col/row
2988 */ 2977 */
2989void 2978void ecb_cold
2990rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2979rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2991{ 2980{
2992 want_refresh = 1; 2981 want_refresh = 1;
2993 2982
2994 selection.mark.row = row + view_start; 2983 selection.mark.row = row + view_start;
3021/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3010/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3022#define DELIMIT_TEXT(x) \ 3011#define DELIMIT_TEXT(x) \
3023 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3012 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3024#define DELIMIT_REND(x) 1 3013#define DELIMIT_REND(x) 1
3025 3014
3026void 3015void ecb_cold
3027rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3016rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3028{ 3017{
3029 int col, row, dirnadd, tcol, trow, w1, w2; 3018 int col, row, dirnadd, tcol, trow, w1, w2;
3030 row_col_t bound; 3019 row_col_t bound;
3031 text_t *stp; 3020 text_t *stp;
3105 * EXT: button 3 press; button 1 or 3 drag 3094 * EXT: button 3 press; button 1 or 3 drag
3106 * flag == 0 ==> button 1 3095 * flag == 0 ==> button 1
3107 * flag == 1 ==> button 3 press 3096 * flag == 1 ==> button 3 press
3108 * flag == 2 ==> button 3 motion 3097 * flag == 2 ==> button 3 motion
3109 */ 3098 */
3110void 3099void ecb_cold
3111rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3100rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3112{ 3101{
3113 int col = clamp (Pixel2Col (x), 0, ncol); 3102 int col = clamp (Pixel2Col (x), 0, ncol);
3114 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3103 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3115 3104
3141 3130
3142/* ------------------------------------------------------------------------- */ 3131/* ------------------------------------------------------------------------- */
3143/* 3132/*
3144 * Extend the selection to the specified col/row 3133 * Extend the selection to the specified col/row
3145 */ 3134 */
3146void 3135void ecb_cold
3147rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3136rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3148{ 3137{
3149 row_col_t pos; 3138 row_col_t pos;
3150 enum { 3139 enum {
3151 LEFT, RIGHT 3140 LEFT, RIGHT
3342 ::swap (selection.beg.col, selection.end.col); 3331 ::swap (selection.beg.col, selection.end.col);
3343#endif 3332#endif
3344} 3333}
3345 3334
3346#if !ENABLE_MINIMAL 3335#if !ENABLE_MINIMAL
3347void 3336void ecb_cold
3348rxvt_term::selection_remove_trailing_spaces () NOTHROW 3337rxvt_term::selection_remove_trailing_spaces () NOTHROW
3349{ 3338{
3350 int32_t end_col, end_row; 3339 int32_t end_col, end_row;
3351 text_t *stp; 3340 text_t *stp;
3352 3341
3390/* ------------------------------------------------------------------------- */ 3379/* ------------------------------------------------------------------------- */
3391/* 3380/*
3392 * Double click on button 3 when already selected 3381 * Double click on button 3 when already selected
3393 * EXT: button 3 double click 3382 * EXT: button 3 double click
3394 */ 3383 */
3395void 3384void ecb_cold
3396rxvt_term::selection_rotate (int x, int y) NOTHROW 3385rxvt_term::selection_rotate (int x, int y) NOTHROW
3397{ 3386{
3398 selection.clicks = selection.clicks % 3 + 1; 3387 selection.clicks = selection.clicks % 3 + 1;
3399 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3388 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3400} 3389}
3402/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3403/* 3392/*
3404 * Respond to a request for our current selection 3393 * Respond to a request for our current selection
3405 * EXT: SelectionRequest 3394 * EXT: SelectionRequest
3406 */ 3395 */
3407void 3396void ecb_cold
3408rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3397rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3409{ 3398{
3410 Atom property = rq.property == None ? rq.target : rq.property; 3399 Atom property = rq.property == None ? rq.target : rq.property;
3411 XSelectionEvent ev; 3400 XSelectionEvent ev;
3412 3401
3545 3534
3546 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3535 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3547} 3536}
3548 3537
3549/* ------------------------------------------------------------------------- */ 3538/* ------------------------------------------------------------------------- */
3550#ifdef USE_XIM 3539#if USE_XIM
3551void 3540void ecb_cold
3552rxvt_term::im_set_position (XPoint &pos) NOTHROW 3541rxvt_term::im_set_position (XPoint &pos) NOTHROW
3553{ 3542{
3554 XWindowAttributes xwa; 3543 XWindowAttributes xwa;
3555 3544
3556 XGetWindowAttributes (dpy, vt, &xwa); 3545 XGetWindowAttributes (dpy, vt, &xwa);

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