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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.174 by root, Mon Dec 19 02:40:14 2005 UTC vs.
Revision 1.185 by root, Wed Dec 21 14:25:41 2005 UTC

116 116
117/* Fill part/all of a line with blanks. */ 117/* Fill part/all of a line with blanks. */
118void 118void
119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs)
120{ 120{
121 if (!l.t)
122 {
123 lalloc (l);
124 col = 0;
125 width = ncol;
126 }
127
121 efs &= ~RS_baseattrMask; 128 efs &= ~RS_baseattrMask;
122 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 129 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
123 130
124 text_t *et = l.t + col; 131 text_t *et = l.t + col;
125 rend_t *er = l.r + col; 132 rend_t *er = l.r + col;
134/* ------------------------------------------------------------------------- */ 141/* ------------------------------------------------------------------------- */
135/* Fill a full line with blanks - make sure it is allocated first */ 142/* Fill a full line with blanks - make sure it is allocated first */
136void 143void
137rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 144rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs)
138{ 145{
139 if (!l.t)
140 lalloc (l);
141
142 scr_blank_line (l, 0, ncol, efs); 146 scr_blank_line (l, 0, ncol, efs);
143} 147}
144 148
145/* ------------------------------------------------------------------------- * 149/* ------------------------------------------------------------------------- *
146 * SCREEN INITIALISATION * 150 * SCREEN INITIALISATION *
170 // we need at least two lines for wrapping to work correctly 174 // we need at least two lines for wrapping to work correctly
171 if (nrow + saveLines < 2) 175 if (nrow + saveLines < 2)
172 { 176 {
173 saveLines++; 177 saveLines++;
174 prev_nrow--; 178 prev_nrow--;
175 nscrolled++; 179 nsaved++;
176 } 180 }
177 181
178 want_refresh = 1; 182 want_refresh = 1;
179 183
180 int prev_total_rows = prev_nrow + saveLines; 184 int prev_total_rows = prev_nrow + saveLines;
181 int total_rows = nrow + saveLines; 185 total_rows = nrow + saveLines;
182 186
183 screen.tscroll = 0; 187 screen.tscroll = 0;
184 screen.bscroll = nrow - 1; 188 screen.bscroll = nrow - 1;
185 189
186 if (!save) 190 if (!save)
187 { 191 {
188 /* 192 /*
189 * first time called so just malloc everything: don't rely on realloc 193 * first time called so just malloc everything: don't rely on realloc
190 * Note: this is still needed so that all the scrollback lines are NULL 194 * Note: this is still needed so that all the scrollback lines are NULL
191 */ 195 */
192 nscrolled = 0; /* no saved lines */ 196 nsaved = 0; /* no saved lines */
193 term_start = 0; 197 term_start = 0;
194 nsaved = 0;
195 198
196 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 199 talloc = new rxvt_salloc (ncol * sizeof (text_t));
197 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 200 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
198 201
199 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 202 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
200 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 203 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
201 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 204 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t));
202 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 205 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t));
203 206
204 screen.line = (line_t **)rxvt_calloc (nrow, sizeof (line_t *));
205
206 scr_update_term ();
207
208 for (p = nrow; p--; ) 207 for (p = nrow; p--; )
209 { 208 {
210 scr_blank_screen_mem (*screen.line[p], DEFAULT_RSTYLE); 209 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 210 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 211 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
213 } 212 }
214 213
215 memset (charsets, 'B', sizeof (charsets)); 214 memset (charsets, 'B', sizeof (charsets));
247 rxvt_salloc *old_ra; 246 rxvt_salloc *old_ra;
248 247
249 if (nrow < prev_nrow) 248 if (nrow < prev_nrow)
250 { 249 {
251 /* delete rows */ 250 /* delete rows */
252 k = min (nscrolled, prev_nrow - nrow); 251 k = min (nsaved, prev_nrow - nrow);
253 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO 252 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1); 253 scr_scroll_text (0, (int)prev_nrow - 1, k);
255 254
256 for (p = nrow; p < prev_nrow; p++) 255 for (p = nrow; p < prev_nrow; p++)
257 { 256 {
258 lfree (save[p + saveLines]); 257 lfree (ROW(p));
259 lfree (swap_save[p]); 258 lfree (swap_save[p]);
260 lfree (drawn[p]); 259 lfree (drawn[p]);
261 } 260 }
262 261
263 /* we have fewer rows so fix up cursor position */ 262 /* we have fewer rows so fix up cursor position */
264 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 263 min_it (screen.cur.row, (int32_t)nrow - 1);
265 264
266 scr_reset_realloc (); /* realloc _last_ */ 265 scr_reset_realloc (); /* realloc _last_ */
267 } 266 }
268 else if (nrow > prev_nrow) 267 else if (nrow > prev_nrow)
269 { 268 {
271 scr_reset_realloc (); /* realloc _first_ */ 270 scr_reset_realloc (); /* realloc _first_ */
272 271
273 int ocol = ncol; 272 int ocol = ncol;
274 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 273 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
275 274
276 k = min (nscrolled, nrow - prev_nrow); 275 k = min (nsaved, nrow - prev_nrow);
277 276
278 for (p = prev_total_rows; p < total_rows; p++) 277 for (p = prev_total_rows; p < total_rows; p++)
279 save[p].clear (); 278 save[p].clear ();
280 279
281 for (p = prev_total_rows; p < total_rows - k; p++) 280 for (p = prev_total_rows; p < total_rows - k; p++)
282 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE); 281 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
283
284 scr_update_term ();
285 282
286 for (p = prev_nrow; p < nrow; p++) 283 for (p = prev_nrow; p < nrow; p++)
287 { 284 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 285 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 286 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 } 287 }
291 288
292 if (k > 0) 289 if (k > 0)
293 { 290 {
294 scr_scroll_text (0, (int)nrow - 1, -k, 1); 291 scr_scroll_text (0, (int)nrow - 1, -k);
295 screen.cur.row += k; 292 screen.cur.row += k;
296 screen.s_cur.row += k; 293 screen.s_cur.row += k;
297 nscrolled -= k; 294 nsaved -= k;
298 } 295 }
299 296
300#ifdef DEBUG_STRICT 297#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow); 298 assert (screen.cur.row < nrow);
302#else /* drive with your eyes closed */ 299#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1); 300 min_it (screen.cur.row, nrow - 1);
304#endif 301#endif
305 ncol = ocol; // save b/c scr_blank_screen_mem uses this 302 ncol = ocol; // save b/c scr_blank_screen_mem uses this
306 } 303 }
307 304
308 /* resize columns */ 305 /* resize columns */
318 { 315 {
319 lresize (drawn[p]); 316 lresize (drawn[p]);
320 lresize (swap_save[p]); 317 lresize (swap_save[p]);
321 } 318 }
322 319
323 MIN_IT (screen.cur.col, (int16_t)ncol - 1); 320 min_it (screen.cur.col, (int16_t)ncol - 1);
324 321
325 delete old_ta; 322 delete old_ta;
326 delete old_ra; 323 delete old_ra;
327 } 324 }
328 325
437} 434}
438 435
439void 436void
440rxvt_term::scr_reset_realloc () 437rxvt_term::scr_reset_realloc ()
441{ 438{
442 unsigned int total_rows = nrow + saveLines;
443
444 screen.line = (line_t **)rxvt_realloc (screen.line, nrow * sizeof (line_t *));
445 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t)); 439 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
446 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t)); 440 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
441 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
447 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t)); 442 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
448 buf = (line_t *) rxvt_realloc (buf , total_rows * sizeof (line_t));
449} 443}
450 444
451/* ------------------------------------------------------------------------- */ 445/* ------------------------------------------------------------------------- */
452/* 446/*
453 * Free everything. That way malloc debugging can find leakage. 447 * Free everything. That way malloc debugging can find leakage.
454 */ 448 */
455void 449void
456rxvt_term::scr_release () 450rxvt_term::scr_release ()
457{ 451{
458 unsigned int total_rows;
459
460 total_rows = nrow + saveLines;
461
462 delete talloc; talloc = 0; 452 delete talloc; talloc = 0;
463 delete ralloc; ralloc = 0; 453 delete ralloc; ralloc = 0;
464 454
465 free (screen.line);
466 free (save); 455 free (save);
467 free (swap_save); 456 free (swap_save);
468 free (drawn); 457 free (drawn);
469 free (buf); 458 free (buf);
470 free (tabs); 459 free (tabs);
526 set_font_style (); 515 set_font_style ();
527 break; 516 break;
528 } 517 }
529 518
530 /* boundary check in case screen size changed between SAVE and RESTORE */ 519 /* boundary check in case screen size changed between SAVE and RESTORE */
531 MIN_IT (s->cur.row, nrow - 1); 520 min_it (s->cur.row, nrow - 1);
532 MIN_IT (s->cur.col, ncol - 1); 521 min_it (s->cur.col, ncol - 1);
533#ifdef DEBUG_STRICT 522#ifdef DEBUG_STRICT
534 assert (s->cur.row >= 0); 523 assert (s->cur.row >= 0);
535 assert (s->cur.col >= 0); 524 assert (s->cur.col >= 0);
536#else /* drive with your eyes closed */ 525#else /* drive with your eyes closed */
537 MAX_IT (s->cur.row, 0); 526 max_it (s->cur.row, 0);
538 MAX_IT (s->cur.col, 0); 527 max_it (s->cur.col, 0);
539#endif 528#endif
540} 529}
541 530
542/* ------------------------------------------------------------------------- */ 531/* ------------------------------------------------------------------------- */
543/* 532/*
546 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 535 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
547 */ 536 */
548int 537int
549rxvt_term::scr_change_screen (int scrn) 538rxvt_term::scr_change_screen (int scrn)
550{ 539{
551 int i;
552#if NSCREENS
553 int offset;
554#endif
555
556 want_refresh = 1; 540 want_refresh = 1;
557
558 view_start = 0; 541 view_start = 0;
559 542
560 if (current_screen == scrn) 543 if (current_screen == scrn)
561 return scrn; 544 return scrn;
562 545
563 selection_check (2); /* check for boundary cross */ 546 selection_check (2); /* check for boundary cross */
564 547
565 i = current_screen; current_screen = scrn; scrn = i; 548 int i = current_screen; current_screen = scrn; scrn = i;
566 549
567 SWAP_IT (screen.cur.row, swap.cur.row, int16_t); 550 ::swap (screen.cur.row, swap.cur.row);
568 SWAP_IT (screen.cur.col, swap.cur.col, int16_t); 551 ::swap (screen.cur.col, swap.cur.col);
569 MAX_IT (screen.cur.row, 0); 552
570 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); 553 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
571 MAX_IT (screen.cur.col, 0); 554 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
572 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
573 555
574#if NSCREENS 556#if NSCREENS
575 if (options & Opt_secondaryScreen) 557 if (options & Opt_secondaryScreen)
576 { 558 {
577 num_scr = 0; 559 num_scr = 0;
578 offset = saveLines;
579 560
580 for (i = prev_nrow; i--;) 561 for (int i = nrow; i--; )
581 SWAP_IT (*(screen.line[i]), swap_save[i], line_t); 562 ::swap (ROW(i), swap_save[i]);
582 563
583 SWAP_IT (screen.charset, swap.charset, int16_t); 564 ::swap (screen.charset, swap.charset);
584 SWAP_IT (screen.flags, swap.flags, int); 565 ::swap (screen.flags, swap.flags);
585 screen.flags |= Screen_VisibleCursor; 566 screen.flags |= Screen_VisibleCursor;
586 swap.flags |= Screen_VisibleCursor; 567 swap.flags |= Screen_VisibleCursor;
587 } 568 }
588 else 569 else
589#endif 570#endif
590 if (options & Opt_secondaryScroll) 571 if (options & Opt_secondaryScroll)
591 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 572 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
592 573
593 return scrn; 574 return scrn;
594} 575}
595 576
596// clear WrapNext indicator, solidifying position on next line 577// clear WrapNext indicator, solidifying position on next line
603 screen.flags &= ~Screen_WrapNext; 584 screen.flags &= ~Screen_WrapNext;
604 585
605 screen.cur.col = 0; 586 screen.cur.col = 0;
606 587
607 if (screen.cur.row == screen.bscroll) 588 if (screen.cur.row == screen.bscroll)
608 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 589 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
609 else if (screen.cur.row < nrow - 1) 590 else if (screen.cur.row < nrow - 1)
610 screen.cur.row++; 591 screen.cur.row++;
611} 592}
612 593
613/* ------------------------------------------------------------------------- */ 594/* ------------------------------------------------------------------------- */
639 rstyle = DEFAULT_RSTYLE; 620 rstyle = DEFAULT_RSTYLE;
640 else 621 else
641 rstyle &= ~style; 622 rstyle &= ~style;
642 } 623 }
643 624
644// set screen.line pointers to the actual lines in the save buffer
645void
646rxvt_term::scr_update_term ()
647{
648 for (int i = nrow; i--; )
649 screen.line[i] = save + saveLines + i;
650}
651
652/* ------------------------------------------------------------------------- */ 625/* ------------------------------------------------------------------------- */
653/* 626/*
654 * Scroll text between <row1> and <row2> inclusive, by <count> lines 627 * Scroll text between <row1> and <row2> inclusive, by <count> lines
655 * count positive ==> scroll up 628 * count positive ==> scroll up
656 * count negative ==> scroll down 629 * count negative ==> scroll down
657 * spec == 0 for normal routines
658 */ 630 */
659int 631int
660rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 632rxvt_term::scr_scroll_text (int row1, int row2, int count)
661{ 633{
662 int i, j;
663
664 if (count == 0 || (row1 > row2)) 634 if (count == 0 || (row1 > row2))
665 return 0; 635 return 0;
666 636
667 want_refresh = 1; 637 want_refresh = 1;
638 num_scr += count;
668 639
669 if (row1 == 0 && count > 0 640 if (count > 0
641 && row1 == 0
642 && row2 == nrow - 1
670 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 643 && (current_screen == PRIMARY || options & Opt_secondaryScroll))
671 { 644 {
672 nscrolled += count; 645 nsaved = min (nsaved + count, saveLines);
646 term_start = (term_start + count) % total_rows;
673 647
674 if (nscrolled > saveLines) 648 if (selection.op && current_screen == selection.screen)
675 nscrolled = saveLines; 649 {
650 selection.beg.row -= count;
651 selection.end.row -= count;
652 selection.mark.row -= count;
676 653
654 selection_check (0);
655 }
656
657 for (int i = count; i--; )
658 scr_blank_screen_mem (ROW(row2 - i), rstyle);
659
677 if ((options & Opt_scrollWithBuffer) 660 if ((options & Opt_scrollWithBuffer)
678 && view_start != 0 661 && view_start != 0
679 && view_start != saveLines) 662 && view_start != saveLines)
680 scr_page (UP, count); 663 scr_page (UP, count);
681 } 664 }
682 else if (!spec) 665 else
683 row1 += saveLines; 666 {
684
685 row2 += saveLines;
686
687 if (selection.op && current_screen == selection.screen) 667 if (selection.op && current_screen == selection.screen)
688 { 668 {
689 i = selection.beg.row + saveLines; 669 int i = selection.beg.row;
690 j = selection.end.row + saveLines; 670 int j = selection.end.row;
691 671
692 if ((i < row1 && j > row1) 672 if ((i < row1 && j > row1)
693 || (i < row2 && j > row2) 673 || (i < row2 && j > row2)
694 || (i - count < row1 && i >= row1) 674 || (i - count < row1 && i >= row1)
695 || (i - count > row2 && i <= row2) 675 || (i - count > row2 && i <= row2)
696 || (j - count < row1 && j >= row1) 676 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2)) 677 || (j - count > row2 && j <= row2))
698 { 678 {
699 CLEAR_ALL_SELECTION (); 679 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 680 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 681 }
702 else if (j >= row1 && j <= row2) 682 else if (j >= row1 && j <= row2)
703 { 683 {
704 /* move selected region too */ 684 /* move selected region too */
705 selection.beg.row -= count; 685 selection.beg.row -= count;
706 selection.end.row -= count; 686 selection.end.row -= count;
707 selection.mark.row -= count; 687 selection.mark.row -= count;
688
689 selection_check (0);
690 }
691 }
692
693 // use a simple and robust scrolling algorithm, this
694 // part of scr_scroll_text is not time-critical.
695
696 int rows = row2 - row1 + 1;
697
698 for (int row = 0; row < rows; row++)
708 } 699 {
709 } 700 buf [row] = ROW(row1 + (row + count + rows) % rows);
710 701
711 selection_check (0); /* _after_ nscrolled update */ 702 if (!IN_RANGE_EXC (row + count, 0, rows))
712
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1;
720 MIN_IT (count, i);
721
722 if (j > 0)
723 {
724 /* scroll up */
725
726 /* Copy lines that will get clobbered by the rotation */
727 memcpy (buf, save + row1, count * sizeof (line_t));
728
729 /* Rotate lines */
730 i = row2 - row1 - count + 1;
731 memmove (save + row1, save + row1 + count, i * sizeof (line_t));
732
733 j = row2 - count + 1, i = count;
734 }
735 else /* if (j < 0) */
736 {
737 /* scroll down */
738
739 /* Copy lines that will get clobbered by the rotation */
740 for (i = 0, j = row2; i < count; i++, j--)
741 buf[i] = save[j];
742
743 /* Rotate lines */
744 for (j = row2, i = j - count; i >= row1; i--, j--)
745 save[j] = save[i];
746
747 j = row1, i = count;
748 count = -count;
749 }
750
751 /* Resurrect lines */
752 memcpy (save + j, buf, i * sizeof (line_t));
753
754 scr_update_term ();
755
756 if (!spec) /* line length may not equal ncol */
757 for (; i--; j++)
758 scr_blank_screen_mem (save[j], rstyle); 703 scr_blank_screen_mem (buf [row], rstyle);
704 }
705
706 for (int row = 0; row < rows; row++)
707 ROW(row1 + row) = buf [row];
708 }
759 709
760 return count; 710 return count;
761} 711}
762 712
763/* ------------------------------------------------------------------------- */ 713/* ------------------------------------------------------------------------- */
785 if ((nlines > 0) 735 if ((nlines > 0)
786 && (screen.tscroll == 0) 736 && (screen.tscroll == 0)
787 && (screen.bscroll == (nrow - 1))) 737 && (screen.bscroll == (nrow - 1)))
788 { 738 {
789 /* _at least_ this many lines need to be scrolled */ 739 /* _at least_ this many lines need to be scrolled */
790 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 740 scr_scroll_text (screen.tscroll, screen.bscroll, nlines);
791 screen.cur.row -= nlines; 741 screen.cur.row -= nlines;
792 } 742 }
793 } 743 }
794 744
795#ifdef DEBUG_STRICT 745#ifdef DEBUG_STRICT
796 assert (screen.cur.col < last_col); 746 assert (screen.cur.col < last_col);
797 assert ((screen.cur.row < nrow) 747 assert ((screen.cur.row < nrow)
798 && (screen.cur.row >= - (int32_t)nscrolled)); 748 && (screen.cur.row >= - (int32_t)nsaved));
799#else /* drive with your eyes closed */ 749#else /* drive with your eyes closed */
800 MIN_IT (screen.cur.col, last_col - 1); 750 min_it (screen.cur.col, last_col - 1);
801 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 751 min_it (screen.cur.row, (int32_t)nrow - 1);
802 MAX_IT (screen.cur.row, - (int32_t)nscrolled); 752 max_it (screen.cur.row, - (int32_t)nsaved);
803#endif 753#endif
804 row = screen.cur.row + saveLines; 754 row = screen.cur.row;
805 755
806 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 756 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
807 757
808 line_t *line = save + row; 758 line_t *line = &ROW(row);
809 759
810 while (str < strend) 760 while (str < strend)
811 { 761 {
812 c = *str++; 762 c = *str++;
813 763
814 if (c < 0x20) 764 if (c < 0x20)
815 if (c == C0_LF) 765 if (c == C0_LF)
816 { 766 {
817 if (!line->is_longer ()) /* XXX: think about this */ 767 if (!line->is_longer ()) /* XXX: think about this */
818 MAX_IT (line->l, screen.cur.col); 768 max_it (line->l, screen.cur.col);
819 769
820 screen.flags &= ~Screen_WrapNext; 770 screen.flags &= ~Screen_WrapNext;
821 771
822 if (screen.cur.row == screen.bscroll) 772 if (screen.cur.row == screen.bscroll)
823 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 773 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
824 else if (screen.cur.row < (nrow - 1)) 774 else if (screen.cur.row < (nrow - 1))
825 row = (++screen.cur.row) + saveLines; 775 row = ++screen.cur.row;
826 776
827 line = save + row; /* _must_ refresh */ 777 line = &ROW(row); /* _must_ refresh */
828 continue; 778 continue;
829 } 779 }
830 else if (c == C0_CR) 780 else if (c == C0_CR)
831 { 781 {
832 if (!line->is_longer ()) /* XXX: think about this */ 782 if (!line->is_longer ()) /* XXX: think about this */
833 MAX_IT (line->l, screen.cur.col); 783 max_it (line->l, screen.cur.col);
834 784
835 screen.flags &= ~Screen_WrapNext; 785 screen.flags &= ~Screen_WrapNext;
836 screen.cur.col = 0; 786 screen.cur.col = 0;
837 continue; 787 continue;
838 } 788 }
859 { 809 {
860 line->set_is_longer (); 810 line->set_is_longer ();
861 811
862 scr_do_wrap (); 812 scr_do_wrap ();
863 813
864 row = screen.cur.row + saveLines; 814 row = screen.cur.row;
865 line = save + row; /* _must_ refresh */ 815 line = &ROW(row); /* _must_ refresh */
866 } 816 }
867 817
868 // some utf-8 decoders "decode" surrogate characters: let's fix this. 818 // some utf-8 decoders "decode" surrogate characters: let's fix this.
869 if (IN_RANGE (c, 0xd800, 0xdfff)) 819 if (IN_RANGE_INC (c, 0xd800, 0xdfff))
870 c = 0xfffd; 820 c = 0xfffd;
871 821
872 // rely on wcwidth to tell us the character width, at least for non-latin1 822 // rely on wcwidth to tell us the character width, at least for non-latin1
873 // do wcwidth before further replacements, as wcwidth might return -1 823 // do wcwidth before further replacements, as wcwidth might return -1
874 // for the line drawing characters below as they might be invalid in the current 824 // for the line drawing characters below as they might be invalid in the current
989 939
990 while (*tp == NOCHAR && tp > line->t) 940 while (*tp == NOCHAR && tp > line->t)
991 tp--, rp--; 941 tp--, rp--;
992 } 942 }
993 else if (screen.cur.row > 0 943 else if (screen.cur.row > 0
994 && save [screen.cur.row - 1 + saveLines].is_longer ()) 944 && ROW(screen.cur.row - 1).is_longer ())
995 { 945 {
996 line_t *line = save + (screen.cur.row - 1 + saveLines); 946 line_t *line = &ROW(screen.cur.row - 1);
997 947
998 tp = line->t + last_col - 1; 948 tp = line->t + last_col - 1;
999 rp = line->r + last_col - 1; 949 rp = line->r + last_col - 1;
1000 950
1001 while (*tp == NOCHAR && tp > line->t) 951 while (*tp == NOCHAR && tp > line->t)
1014#endif 964#endif
1015 } 965 }
1016 } 966 }
1017 967
1018 if (!line->is_longer ()) /* XXX: think about this */ 968 if (!line->is_longer ()) /* XXX: think about this */
1019 MAX_IT (line->l, screen.cur.col); 969 max_it (line->l, screen.cur.col);
1020 970
1021#ifdef DEBUG_STRICT 971#ifdef DEBUG_STRICT
1022 assert (screen.cur.row >= 0); 972 assert (screen.cur.row >= 0);
1023#else /* drive with your eyes closed */ 973#else /* drive with your eyes closed */
1024 MAX_IT (screen.cur.row, 0); 974 max_it (screen.cur.row, 0);
1025#endif 975#endif
1026} 976}
1027 977
1028/* ------------------------------------------------------------------------- */ 978/* ------------------------------------------------------------------------- */
1029/* 979/*
1068 1018
1069 if (count == 0) 1019 if (count == 0)
1070 return; 1020 return;
1071 else if (count > 0) 1021 else if (count > 0)
1072 { 1022 {
1073 int row = saveLines + screen.cur.row; 1023 int row = screen.cur.row;
1074 1024
1075 line_t &l = save[row]; 1025 line_t &l = ROW(row);
1076 rend_t base_rend = l.r[i]; 1026 rend_t base_rend = l.r[i];
1077 ht &= l.t[i] == ' '; 1027 ht &= l.t[i] == ' ';
1078 1028
1079 for (; ++i < ncol; ) 1029 for (; ++i < ncol; )
1080 if (tabs[i]) 1030 if (tabs[i])
1095 if (ht && options & Opt_pastableTabs) 1045 if (ht && options & Opt_pastableTabs)
1096 { 1046 {
1097 base_rend = SET_FONT (base_rend, 0); 1047 base_rend = SET_FONT (base_rend, 0);
1098 1048
1099 if (!l.is_longer ()) /* XXX: think about this */ 1049 if (!l.is_longer ()) /* XXX: think about this */
1100 MAX_IT (l.l, x); 1050 max_it (l.l, x);
1101 1051
1102 i = screen.cur.col; 1052 i = screen.cur.col;
1103 1053
1104 l.t[i] = '\t'; 1054 l.t[i] = '\t';
1105 l.r[i] = base_rend; 1055 l.r[i] = base_rend;
1141rxvt_term::scr_backindex () 1091rxvt_term::scr_backindex ()
1142{ 1092{
1143 if (screen.cur.col > 0) 1093 if (screen.cur.col > 0)
1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1094 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1145 else 1095 else
1146 {
1147 if (!save[screen.cur.row + saveLines].l)
1148 return; /* um, yeah? */
1149
1150 scr_insdel_chars (1, INSERT); 1096 scr_insdel_chars (1, INSERT);
1151 }
1152} 1097}
1153#endif 1098#endif
1154/* ------------------------------------------------------------------------- */ 1099/* ------------------------------------------------------------------------- */
1155/* 1100/*
1156 * Process DEC Forward Index 1101 * Process DEC Forward Index
1166 1111
1167 if (screen.cur.col < ncol - 1) 1112 if (screen.cur.col < ncol - 1)
1168 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1113 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1169 else 1114 else
1170 { 1115 {
1171 row = screen.cur.row + saveLines; 1116 row = screen.cur.row;
1172 1117
1173 if (!save[row].l)
1174 return; /* um, yeah? */
1175
1176 if (save[row].is_longer ()) //TODO//FIXME//LEN 1118 if (ROW(row).is_longer ()) //TODO//FIXME//LEN
1177 save[row].l = ncol; 1119 ROW(row).l = ncol;
1178 1120
1179 scr_gotorc (0, 0, R_RELATIVE); 1121 scr_gotorc (0, 0, R_RELATIVE);
1180 scr_insdel_chars (1, DELETE); 1122 scr_insdel_chars (1, DELETE);
1181 scr_gotorc (0, ncol - 1, R_RELATIVE); 1123 scr_gotorc (0, ncol - 1, R_RELATIVE);
1182 } 1124 }
1192{ 1134{
1193 want_refresh = 1; 1135 want_refresh = 1;
1194 ZERO_SCROLLBACK (); 1136 ZERO_SCROLLBACK ();
1195 1137
1196 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1138 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1197 MAX_IT (screen.cur.col, 0); 1139 max_it (screen.cur.col, 0);
1198 MIN_IT (screen.cur.col, (int32_t)ncol - 1); 1140 min_it (screen.cur.col, (int32_t)ncol - 1);
1199 1141
1200 screen.flags &= ~Screen_WrapNext; 1142 screen.flags &= ~Screen_WrapNext;
1201 1143
1202 if (relative & R_RELATIVE) 1144 if (relative & R_RELATIVE)
1203 { 1145 {
1221 else 1163 else
1222 { 1164 {
1223 if (screen.flags & Screen_Relative) 1165 if (screen.flags & Screen_Relative)
1224 { /* relative origin mode */ 1166 { /* relative origin mode */
1225 screen.cur.row = row + screen.tscroll; 1167 screen.cur.row = row + screen.tscroll;
1226 MIN_IT (screen.cur.row, screen.bscroll); 1168 min_it (screen.cur.row, screen.bscroll);
1227 } 1169 }
1228 else 1170 else
1229 screen.cur.row = row; 1171 screen.cur.row = row;
1230 } 1172 }
1231 1173
1232 MAX_IT (screen.cur.row, 0); 1174 max_it (screen.cur.row, 0);
1233 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 1175 min_it (screen.cur.row, (int32_t)nrow - 1);
1234} 1176}
1235 1177
1236/* ------------------------------------------------------------------------- */ 1178/* ------------------------------------------------------------------------- */
1237/* 1179/*
1238 * direction should be UP or DN 1180 * direction should be UP or DN
1249 1191
1250 screen.flags &= ~Screen_WrapNext; 1192 screen.flags &= ~Screen_WrapNext;
1251 1193
1252 if ((screen.cur.row == screen.bscroll && direction == UP) 1194 if ((screen.cur.row == screen.bscroll && direction == UP)
1253 || (screen.cur.row == screen.tscroll && direction == DN)) 1195 || (screen.cur.row == screen.tscroll && direction == DN))
1254 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1196 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1255 else 1197 else
1256 screen.cur.row += dirn; 1198 screen.cur.row += dirn;
1257 1199
1258 MAX_IT (screen.cur.row, 0); 1200 max_it (screen.cur.row, 0);
1259 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 1201 min_it (screen.cur.row, (int32_t)nrow - 1);
1260 selection_check (0); 1202 selection_check (0);
1261} 1203}
1262 1204
1263/* ------------------------------------------------------------------------- */ 1205/* ------------------------------------------------------------------------- */
1264/* 1206/*
1275 want_refresh = 1; 1217 want_refresh = 1;
1276 ZERO_SCROLLBACK (); 1218 ZERO_SCROLLBACK ();
1277 1219
1278 selection_check (1); 1220 selection_check (1);
1279 1221
1280 row = saveLines + screen.cur.row; 1222 row = screen.cur.row;
1281 1223
1282 switch (mode) 1224 switch (mode)
1283 { 1225 {
1284 case 0: /* erase to end of line */ 1226 case 0: /* erase to end of line */
1285 col = screen.cur.col; 1227 col = screen.cur.col;
1286 num = ncol - col; 1228 num = ncol - col;
1287 MIN_IT (save[row].l, (int16_t)col); 1229 min_it (ROW(row).l, (int16_t)col);
1288 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1230 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1289 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1231 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1290 CLEAR_SELECTION (); 1232 CLEAR_SELECTION ();
1291 break; 1233 break;
1292 case 1: /* erase to beginning of line */ 1234 case 1: /* erase to beginning of line */
1297 CLEAR_SELECTION (); 1239 CLEAR_SELECTION ();
1298 break; 1240 break;
1299 case 2: /* erase whole line */ 1241 case 2: /* erase whole line */
1300 col = 0; 1242 col = 0;
1301 num = ncol; 1243 num = ncol;
1302 save[row].l = 0; 1244 ROW(row).l = 0;
1303 if (selection.beg.row <= screen.cur.row 1245 if (selection.beg.row <= screen.cur.row
1304 && selection.end.row >= screen.cur.row) 1246 && selection.end.row >= screen.cur.row)
1305 CLEAR_SELECTION (); 1247 CLEAR_SELECTION ();
1306 break; 1248 break;
1307 default: 1249 default:
1308 return; 1250 return;
1309 } 1251 }
1310 1252
1311 if (save[row].t)
1312 scr_blank_line (save[row], col, num, rstyle); 1253 scr_blank_line (ROW(row), col, num, rstyle);
1313 else
1314 scr_blank_screen_mem (save[row], rstyle);
1315} 1254}
1316 1255
1317/* ------------------------------------------------------------------------- */ 1256/* ------------------------------------------------------------------------- */
1318/* 1257/*
1319 * Erase part of whole of the screen 1258 * Erase part of whole of the screen
1323 */ 1262 */
1324void 1263void
1325rxvt_term::scr_erase_screen (int mode) 1264rxvt_term::scr_erase_screen (int mode)
1326{ 1265{
1327 int num; 1266 int num;
1328 int32_t row, row_offset; 1267 int32_t row;
1329 rend_t ren; 1268 rend_t ren;
1330 XGCValues gcvalue; 1269 XGCValues gcvalue;
1331 1270
1332 want_refresh = 1; 1271 want_refresh = 1;
1333 ZERO_SCROLLBACK (); 1272 ZERO_SCROLLBACK ();
1334
1335 row_offset = (int32_t)saveLines;
1336 1273
1337 switch (mode) 1274 switch (mode)
1338 { 1275 {
1339 case 0: /* erase to end of screen */ 1276 case 0: /* erase to end of screen */
1340 selection_check (1); 1277 selection_check (1);
1364 CLEAR_SELECTION (); 1301 CLEAR_SELECTION ();
1365 1302
1366 if (row >= nrow) /* Out Of Bounds */ 1303 if (row >= nrow) /* Out Of Bounds */
1367 return; 1304 return;
1368 1305
1369 MIN_IT (num, (nrow - row)); 1306 min_it (num, (nrow - row));
1370 1307
1371 if (rstyle & (RS_RVid | RS_Uline)) 1308 if (rstyle & (RS_RVid | RS_Uline))
1372 ren = (rend_t) ~RS_None; 1309 ren = (rend_t) ~RS_None;
1373 else if (GET_BASEBG (rstyle) == Color_bg) 1310 else if (GET_BASEBG (rstyle) == Color_bg)
1374 { 1311 {
1385 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1322 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1386 } 1323 }
1387 1324
1388 for (; num--; row++) 1325 for (; num--; row++)
1389 { 1326 {
1390 scr_blank_screen_mem (save[row + row_offset], rstyle); 1327 scr_blank_screen_mem (ROW (row), rstyle);
1391 save[row + row_offset].l = 0; 1328 ROW (row).l = 0;
1392 scr_blank_line (drawn[row], 0, ncol, ren); 1329 scr_blank_line (drawn[row], 0, ncol, ren);
1393 } 1330 }
1394} 1331}
1395 1332
1396#if ENABLE_FRILLS 1333#if ENABLE_FRILLS
1398rxvt_term::scr_erase_savelines () 1335rxvt_term::scr_erase_savelines ()
1399{ 1336{
1400 want_refresh = 1; 1337 want_refresh = 1;
1401 ZERO_SCROLLBACK (); 1338 ZERO_SCROLLBACK ();
1402 1339
1403 nscrolled = 0; 1340 nsaved = 0;
1404} 1341}
1405#endif 1342#endif
1406 1343
1407/* ------------------------------------------------------------------------- */ 1344/* ------------------------------------------------------------------------- */
1408/* 1345/*
1410 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1347 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1411 */ 1348 */
1412void 1349void
1413rxvt_term::scr_E () 1350rxvt_term::scr_E ()
1414{ 1351{
1415 int i, j, k;
1416 rend_t *r1, fs; 1352 rend_t fs;
1417 1353
1418 want_refresh = 1; 1354 want_refresh = 1;
1419 ZERO_SCROLLBACK (); 1355 ZERO_SCROLLBACK ();
1420 1356
1421 num_scr_allow = 0; 1357 num_scr_allow = 0;
1422 selection_check (3); 1358 selection_check (3);
1423 1359
1424 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1360 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1425 for (k = saveLines, i = nrow; i--; k++) 1361 for (int row = nrow; row--; )
1426 { 1362 {
1427 line_t &line = save[k]; 1363 line_t &line = ROW(row);
1428 1364
1429 fill_text (line.t, 'E', ncol); 1365 fill_text (line.t, 'E', ncol);
1366 rend_t *r1 = line.r;
1430 1367
1431 for (r1 = line.r, j = ncol; j--; ) 1368 for (int j = ncol; j--; )
1432 *r1++ = fs; 1369 *r1++ = fs;
1433 1370
1434 line.l = ncol; /* make the `E's selectable */ 1371 line.l = ncol; /* make the `E's selectable */
1435 } 1372 }
1436} 1373}
1460 count = end; 1397 count = end;
1461 } 1398 }
1462 1399
1463 scr_do_wrap (); 1400 scr_do_wrap ();
1464 1401
1465 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1402 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1466} 1403}
1467 1404
1468/* ------------------------------------------------------------------------- */ 1405/* ------------------------------------------------------------------------- */
1469/* 1406/*
1470 * Insert/Delete <count> characters from the current position 1407 * Insert/Delete <count> characters from the current position
1482 return; 1419 return;
1483 1420
1484 scr_do_wrap (); 1421 scr_do_wrap ();
1485 1422
1486 selection_check (1); 1423 selection_check (1);
1487 MIN_IT (count, (ncol - screen.cur.col)); 1424 min_it (count, (ncol - screen.cur.col));
1488 1425
1489 row = screen.cur.row + saveLines; 1426 row = screen.cur.row;
1490 1427
1491 line_t *line = save + row; 1428 line_t *line = &ROW(row);
1492 1429
1493 switch (insdel) 1430 switch (insdel)
1494 { 1431 {
1495 case INSERT: 1432 case INSERT:
1496 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1433 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1500 } 1437 }
1501 1438
1502 if (!line->is_longer ()) 1439 if (!line->is_longer ())
1503 { 1440 {
1504 line->l += count; 1441 line->l += count;
1505 MIN_IT (line->l, ncol); 1442 min_it (line->l, ncol);
1506 } 1443 }
1507 1444
1508 if (selection.op && current_screen == selection.screen 1445 if (selection.op && current_screen == selection.screen
1509 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1446 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1510 { 1447 {
1517 selection.mark.col += count; /* XXX: yes? */ 1454 selection.mark.col += count; /* XXX: yes? */
1518 selection.end.col += count; 1455 selection.end.col += count;
1519 } 1456 }
1520 } 1457 }
1521 1458
1522 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1459 scr_blank_line (*line, screen.cur.col, count, rstyle);
1523 break; 1460 break;
1524 1461
1525 case ERASE: 1462 case ERASE:
1526 screen.cur.col += count; /* don't worry if > ncol */ 1463 screen.cur.col += count; /* don't worry if > ncol */
1527 selection_check (1); 1464 selection_check (1);
1528 screen.cur.col -= count; 1465 screen.cur.col -= count;
1529 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1466 scr_blank_line (*line, screen.cur.col, count, rstyle);
1530 break; 1467 break;
1531 1468
1532 case DELETE: 1469 case DELETE:
1533 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1470 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1534 1471
1541 scr_blank_line (*line, ncol - count, count, tr); 1478 scr_blank_line (*line, ncol - count, count, tr);
1542 1479
1543 if (line->is_longer ()) /* break line continuation */ 1480 if (line->is_longer ()) /* break line continuation */
1544 line->l = ncol; 1481 line->l = ncol;
1545 1482
1546 line->l -= count; 1483 line->l = max (line->l - count, 0);
1547 MAX_IT (line->l, 0);
1548 1484
1549 if (selection.op && current_screen == selection.screen 1485 if (selection.op && current_screen == selection.screen
1550 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1486 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1551 { 1487 {
1552 if (selection.end.row != screen.cur.row 1488 if (selection.end.row != screen.cur.row
1572 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1508 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1573 */ 1509 */
1574void 1510void
1575rxvt_term::scr_scroll_region (int top, int bot) 1511rxvt_term::scr_scroll_region (int top, int bot)
1576{ 1512{
1577 MAX_IT (top, 0); 1513 max_it (top, 0);
1578 MIN_IT (bot, (int)nrow - 1); 1514 min_it (bot, (int)nrow - 1);
1579 1515
1580 if (top > bot) 1516 if (top > bot)
1581 return; 1517 return;
1582 1518
1583 screen.tscroll = top; 1519 screen.tscroll = top;
1681 XGCValues gcvalue; 1617 XGCValues gcvalue;
1682 1618
1683 if (rvideo != mode) 1619 if (rvideo != mode)
1684 { 1620 {
1685 rvideo = mode; 1621 rvideo = mode;
1686 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1622 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1687#if XPM_BACKGROUND 1623#if XPM_BACKGROUND
1688 if (bgPixmap.pixmap == None) 1624 if (bgPixmap.pixmap == None)
1689#endif 1625#endif
1690#if TRANSPARENT 1626#if TRANSPARENT
1691 if (! (options & Opt_transparent) || am_transparent == 0) 1627 if (! (options & Opt_transparent) || am_transparent == 0)
1827 eheight = height; 1763 eheight = height;
1828 } 1764 }
1829#endif 1765#endif
1830 1766
1831#ifdef DEBUG_STRICT 1767#ifdef DEBUG_STRICT
1832 x = max (x, 0); 1768#if 0
1833 x = min (x, (int)width); 1769 // that's not debugging //TODO //FIXME
1834 y = max (y, 0); 1770 clamp_it (x, 0, width);
1835 y = min (y, (int)height); 1771 clamp_it (y, 0, height);
1772#endif
1836#endif 1773#endif
1837 1774
1838 /* round down */ 1775 /* round down */
1839 rc[PART_BEG].col = Pixel2Col (x); 1776 rc[PART_BEG].col = Pixel2Col (x);
1840 rc[PART_BEG].row = Pixel2Row (y); 1777 rc[PART_BEG].row = Pixel2Row (y);
1843 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1780 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1844 1781
1845 /* sanity checks */ 1782 /* sanity checks */
1846 for (i = PART_BEG; i < RC_COUNT; i++) 1783 for (i = PART_BEG; i < RC_COUNT; i++)
1847 { 1784 {
1848 MIN_IT (rc[i].col, ncol - 1); 1785 min_it (rc[i].col, ncol - 1);
1849 MIN_IT (rc[i].row, nrow - 1); 1786 min_it (rc[i].row, nrow - 1);
1850 } 1787 }
1851 1788
1852 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1789 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1853 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1790 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1854 1791
1879 1816
1880 oldviewstart = view_start; 1817 oldviewstart = view_start;
1881 1818
1882 if (y < len) 1819 if (y < len)
1883 { 1820 {
1884 p = (nrow + nscrolled) * (len - y) / len; 1821 p = (nrow + nsaved) * (len - y) / len;
1885 p -= (long) (nrow - 1); 1822 p -= (long) (nrow - 1);
1886 p = max (p, 0); 1823 p = max (p, 0);
1887 } 1824 }
1888 1825
1889 view_start = (unsigned int)min (p, nscrolled); 1826 view_start = (unsigned int)min (p, nsaved);
1890 1827
1891 return scr_changeview (oldviewstart); 1828 return scr_changeview (oldviewstart);
1892} 1829}
1893 1830
1894/* ------------------------------------------------------------------------- */ 1831/* ------------------------------------------------------------------------- */
1905 oldviewstart = view_start; 1842 oldviewstart = view_start;
1906 1843
1907 if (direction == UP) 1844 if (direction == UP)
1908 { 1845 {
1909 n = view_start + nlines; 1846 n = view_start + nlines;
1910 view_start = min (n, nscrolled); 1847 view_start = min (n, nsaved);
1911 } 1848 }
1912 else 1849 else
1913 { 1850 {
1914 n = view_start - nlines; 1851 n = view_start - nlines;
1915 view_start = max (n, 0); 1852 view_start = max (n, 0);
1959/* ARGSUSED */ 1896/* ARGSUSED */
1960void 1897void
1961rxvt_term::scr_printscreen (int fullhist) 1898rxvt_term::scr_printscreen (int fullhist)
1962{ 1899{
1963#ifdef PRINTPIPE 1900#ifdef PRINTPIPE
1964 int i, r1, nrows, row_offset; 1901 int nrows, row_start;
1965 FILE *fd; 1902 FILE *fd;
1966 1903
1967 if ((fd = popen_printer ()) == NULL) 1904 if ((fd = popen_printer ()) == NULL)
1968 return; 1905 return;
1969 1906
1970 nrows = nrow;
1971 row_offset = saveLines;
1972
1973 if (!fullhist) 1907 if (fullhist)
1974 row_offset -= view_start; 1908 {
1909 nrows = nrow + nsaved;
1910 row_start = -nsaved;
1911 }
1975 else 1912 else
1976 { 1913 {
1977 nrows += nscrolled; 1914 nrows = nrow;
1978 row_offset -= nscrolled; 1915 row_start = -view_start;
1979 } 1916 }
1980 1917
1981 wctomb (0, 0); 1918 wctomb (0, 0);
1982 1919
1983 for (r1 = 0; r1 < nrows; r1++) 1920 for (int r1 = 0; r1 < nrows; r1++)
1984 { 1921 {
1985 text_t *tp = save[r1 + row_offset].t; 1922 text_t *tp = ROW(r1).t;
1986 int len = save[r1 + row_offset].l; 1923 int len = ROW(r1).l;
1987 1924
1988 for (i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 1925 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1989 { 1926 {
1990 char mb[MB_LEN_MAX]; 1927 char mb[MB_LEN_MAX];
1991 text_t t = *tp++; 1928 text_t t = *tp++;
1992 if (t == NOCHAR) 1929 if (t == NOCHAR)
1993 continue; 1930 continue;
2021{ 1958{
2022 unsigned char must_clear, /* use draw_string not draw_image_string */ 1959 unsigned char must_clear, /* use draw_string not draw_image_string */
2023 showcursor; /* show the cursor */ 1960 showcursor; /* show the cursor */
2024 int16_t col, row, /* column/row we're processing */ 1961 int16_t col, row, /* column/row we're processing */
2025 ocrow; /* old cursor row */ 1962 ocrow; /* old cursor row */
2026 int i, /* tmp */ 1963 int i; /* tmp */
2027 row_offset; /* basic offset in screen structure */
2028#ifndef NO_CURSORCOLOR 1964#ifndef NO_CURSORCOLOR
2029 rend_t cc1; /* store colours at cursor position (s) */ 1965 rend_t cc1; /* store colours at cursor position (s) */
2030#endif 1966#endif
2031 rend_t *crp; // cursor rendition pointer 1967 rend_t *crp; // cursor rendition pointer
2032 1968
2038 /* 1974 /*
2039 * A: set up vars 1975 * A: set up vars
2040 */ 1976 */
2041 must_clear = 0; 1977 must_clear = 0;
2042 refresh_count = 0; 1978 refresh_count = 0;
2043
2044 row_offset = saveLines - view_start;
2045 1979
2046#if XPM_BACKGROUND 1980#if XPM_BACKGROUND
2047 must_clear |= bgPixmap.pixmap != None; 1981 must_clear |= bgPixmap.pixmap != None;
2048#endif 1982#endif
2049#if TRANSPARENT 1983#if TRANSPARENT
2072 2006
2073 if (showcursor) 2007 if (showcursor)
2074 { 2008 {
2075 int col = screen.cur.col; 2009 int col = screen.cur.col;
2076 2010
2077 while (col && screen.line[screen.cur.row]->t[col] == NOCHAR) 2011 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2078 col--; 2012 col--;
2079 2013
2080 crp = &screen.line[screen.cur.row]->r[col]; 2014 crp = &ROW(screen.cur.row).r[col];
2081 2015
2082 if (showcursor && focus) 2016 if (showcursor && focus)
2083 { 2017 {
2084 if (options & Opt_cursorUnderline) 2018 if (options & Opt_cursorUnderline)
2085 *crp ^= RS_Uline; 2019 *crp ^= RS_Uline;
2153 * D: CopyArea pass - very useful for slower links 2087 * D: CopyArea pass - very useful for slower links
2154 * This has been deliberately kept simple. 2088 * This has been deliberately kept simple.
2155 */ 2089 */
2156 i = num_scr; 2090 i = num_scr;
2157 if (!display->is_local 2091 if (!display->is_local
2158 && refresh_type == FAST_REFRESH && num_scr_allow && i 2092 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2159 && abs (i) < nrow && !must_clear) 2093 && abs (num_scr) < nrow && !must_clear)
2160 { 2094 {
2161 int16_t nits; 2095 int16_t nits;
2162 int j; 2096 int j;
2163 int len, wlen; 2097 int len, wlen;
2164 2098
2167 row = i > 0 ? 0 : j - 1; 2101 row = i > 0 ? 0 : j - 1;
2168 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2102 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2169 { 2103 {
2170 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2104 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2171 { 2105 {
2172 line_t s = save[row + row_offset]; 2106 line_t s = ROW(row - view_start);
2173 line_t d = drawn[row]; 2107 line_t d = drawn[row];
2174 line_t d2 = drawn[row + i]; 2108 line_t d2 = drawn[row + i];
2175 2109
2176 for (nits = 0, col = ncol; col--; ) 2110 for (nits = 0, col = ncol; col--; )
2177 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2111 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2197 2131
2198 if (len != -1) 2132 if (len != -1)
2199 { 2133 {
2200 /* also comes here at end if needed because of >= above */ 2134 /* also comes here at end if needed because of >= above */
2201 if (wlen < len) 2135 if (wlen < len)
2202 SWAP_IT (wlen, len, int); 2136 ::swap (wlen, len);
2203 2137
2204 XCopyArea (display->display, vt, vt, 2138 XCopyArea (display->display, vt, vt,
2205 gc, 0, Row2Pixel (len + i), 2139 gc, 0, Row2Pixel (len + i),
2206 (unsigned int)TermWin_TotalWidth (), 2140 (unsigned int)TermWin_TotalWidth (),
2207 (unsigned int)Height2Pixel (wlen - len + 1), 2141 (unsigned int)Height2Pixel (wlen - len + 1),
2215 /* 2149 /*
2216 * E: main pass across every character 2150 * E: main pass across every character
2217 */ 2151 */
2218 for (row = 0; row < nrow; row++) 2152 for (row = 0; row < nrow; row++)
2219 { 2153 {
2220 text_t *stp = save[row + row_offset].t; 2154 text_t *stp = ROW(row - view_start).t;
2221 rend_t *srp = save[row + row_offset].r; 2155 rend_t *srp = ROW(row - view_start).r;
2222 text_t *dtp = drawn[row].t; 2156 text_t *dtp = drawn[row].t;
2223 rend_t *drp = drawn[row].r; 2157 rend_t *drp = drawn[row].r;
2224 2158
2225 /* 2159 /*
2226 * E2: OK, now the real pass 2160 * E2: OK, now the real pass
2339 fore = Color_UL; 2273 fore = Color_UL;
2340#endif 2274#endif
2341 2275
2342 if (invert) 2276 if (invert)
2343 { 2277 {
2344 SWAP_IT (fore, back, int); 2278 ::swap (fore, back);
2345 2279
2346#ifndef NO_BOLD_UNDERLINE_REVERSE 2280#ifndef NO_BOLD_UNDERLINE_REVERSE
2347 if (ISSET_PIXCOLOR (Color_RV)) 2281 if (ISSET_PIXCOLOR (Color_RV))
2348 back = Color_RV; 2282 back = Color_RV;
2349 2283
2437 else if (oldcursor.row >= 0) 2371 else if (oldcursor.row >= 0)
2438 { 2372 {
2439 int cursorwidth = 1; 2373 int cursorwidth = 1;
2440 int col = oldcursor.col; 2374 int col = oldcursor.col;
2441 2375
2442 while (col && save[screen.cur.row + saveLines].t[col] == NOCHAR) 2376 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2443 col--; 2377 col--;
2444 2378
2445 while (col + cursorwidth < ncol 2379 while (col + cursorwidth < ncol
2446 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2380 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2447 cursorwidth++; 2381 cursorwidth++;
2482} 2416}
2483 2417
2484void 2418void
2485rxvt_term::scr_remap_chars () 2419rxvt_term::scr_remap_chars ()
2486{ 2420{
2487 for (int i = nrow + saveLines; i--; ) 2421 for (int i = total_rows; i--; )
2488 scr_remap_chars (save[i]); 2422 scr_remap_chars (save[i]);
2489 2423
2490 for (int i = nrow; i--; ) 2424 for (int i = nrow; i--; )
2491 { 2425 {
2492 scr_remap_chars (drawn[i]); 2426 scr_remap_chars (drawn[i]);
2540 2474
2541/* ------------------------------------------------------------------------- */ 2475/* ------------------------------------------------------------------------- */
2542void 2476void
2543rxvt_term::scr_reverse_selection () 2477rxvt_term::scr_reverse_selection ()
2544{ 2478{
2479 if (selection.op
2545 if (selection.op && current_screen == selection.screen) 2480 && current_screen == selection.screen
2481 && selection.end.row >= -view_start)
2546 { 2482 {
2547 int end_row = saveLines - view_start; 2483 int view_end = -view_start + nrow;
2548 int i = selection.beg.row + saveLines; 2484 int row, col;
2549 int col, row = selection.end.row + saveLines;
2550 rend_t *srp;
2551 2485
2552#if ENABLE_FRILLS 2486#if ENABLE_FRILLS
2553 if (selection.rect) 2487 if (selection.rect)
2554 { 2488 {
2555 end_row += nrow; 2489 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)
2556
2557 for (; i <= row && i <= end_row; i++)
2558 for (srp = save[i].r, col = selection.beg.col; col < selection.end.col; col++) 2490 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++)
2559 srp[col] ^= RS_RVid; 2491 srp[col] ^= RS_RVid;
2560 } 2492 }
2561 else 2493 else
2562#endif 2494#endif
2563 { 2495 {
2564 if (i >= end_row) 2496 if (selection.beg.row >= -view_start)
2497 {
2565 col = selection.beg.col; 2498 col = selection.beg.col;
2499 row = selection.beg.row;
2500 }
2566 else 2501 else
2567 { 2502 {
2568 col = 0; 2503 col = 0;
2569 i = end_row; 2504 row = view_start;
2570 } 2505 }
2571 2506
2572 end_row += nrow; 2507 for (; row < min (selection.end.row, view_end); row++, col = 0)
2573
2574 for (; i < row && i < end_row; i++, col = 0)
2575 for (srp = save[i].r; col < ncol; col++) 2508 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2576 srp[col] ^= RS_RVid; 2509 srp[col] ^= RS_RVid;
2577 2510
2578 if (i == row && i < end_row) 2511 if (row == selection.end.row)
2579 for (srp = save[i].r; col < selection.end.col; col++) 2512 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2580 srp[col] ^= RS_RVid; 2513 srp[col] ^= RS_RVid;
2581 } 2514 }
2582 } 2515 }
2583} 2516}
2584 2517
2593{ 2526{
2594 int row, wrote; 2527 int row, wrote;
2595 unsigned int width, towrite; 2528 unsigned int width, towrite;
2596 char r1[] = "\n"; 2529 char r1[] = "\n";
2597 2530
2598 for (row = saveLines - nscrolled; 2531 for (row = saveLines - nsaved;
2599 row < saveLines + nrow - 1; row++) 2532 row < saveLines + nrow - 1; row++)
2600 { 2533 {
2601 width = save[row].l >= 0 ? save[row].l 2534 width = save[row].l >= 0 ? save[row].l
2602 : ncol; 2535 : ncol;
2603 for (towrite = width; towrite; towrite -= wrote) 2536 for (towrite = width; towrite; towrite -= wrote)
2615#endif 2548#endif
2616 2549
2617/* ------------------------------------------------------------------------- * 2550/* ------------------------------------------------------------------------- *
2618 * CHARACTER SELECTION * 2551 * CHARACTER SELECTION *
2619 * ------------------------------------------------------------------------- */ 2552 * ------------------------------------------------------------------------- */
2620
2621/*
2622 * -nscrolled <= (selection row) <= nrow - 1
2623 */
2624void 2553void
2625rxvt_term::selection_check (int check_more) 2554rxvt_term::selection_check (int check_more)
2626{ 2555{
2627 row_col_t pos; 2556 row_col_t pos;
2628 2557
2629 if (!selection.op) 2558 if (!selection.op)
2630 return; 2559 return;
2631 2560
2632 pos.row = pos.col = 0; 2561 pos.row = pos.col = 0;
2633 if ((selection.beg.row < - (int32_t)nscrolled) 2562 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)
2634 || (selection.beg.row >= nrow) 2563 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)
2635 || (selection.mark.row < - (int32_t)nscrolled) 2564 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)
2636 || (selection.mark.row >= nrow)
2637 || (selection.end.row < - (int32_t)nscrolled)
2638 || (selection.end.row >= nrow)
2639 || (check_more == 1 2565 || (check_more == 1
2640 && current_screen == selection.screen 2566 && current_screen == selection.screen
2641 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2567 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2642 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2568 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2643 || (check_more == 2 2569 || (check_more == 2
2949 * EXT: button 1 or 3 release 2875 * EXT: button 1 or 3 release
2950 */ 2876 */
2951void 2877void
2952rxvt_term::selection_make (Time tm) 2878rxvt_term::selection_make (Time tm)
2953{ 2879{
2954 int i, col, end_col, row, end_row; 2880 int i;
2955 wchar_t *new_selection_text; 2881 wchar_t *new_selection_text;
2956 text_t *t; 2882 text_t *t;
2957 2883
2958 switch (selection.op) 2884 switch (selection.op)
2959 { 2885 {
2975 return; /* nothing selected, go away */ 2901 return; /* nothing selected, go away */
2976 2902
2977 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2903 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2978 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2904 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2979 2905
2980 col = selection.beg.col;
2981 row = selection.beg.row + saveLines;
2982 end_row = selection.end.row + saveLines;
2983 int ofs = 0; 2906 int ofs = 0;
2984 int extra = 0; 2907 int extra = 0;
2985 2908
2909 int col = selection.beg.col;
2910 int row = selection.beg.row;
2911
2912 int end_col;
2913
2986 for (; row <= end_row; row++, col = 0) 2914 for (; row <= selection.end.row; row++, col = 0)
2987 { 2915 {
2988#if ENABLE_FRILLS 2916#if ENABLE_FRILLS
2989 if (selection.rect) 2917 if (selection.rect)
2990 { 2918 {
2991 col = selection.beg.col; 2919 col = selection.beg.col;
2992 end_col = ncol + 1; 2920 end_col = ncol + 1;
2993 } 2921 }
2994 else 2922 else
2995#endif 2923#endif
2996 end_col = save[row].is_longer () ? ncol : save[row].l; //TODO//FIXME//LEN 2924 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN
2997 2925
2998 MAX_IT (col, 0); 2926 col = max (col, 0);
2999 2927
3000 if (row == end_row || selection.rect) 2928 if (row == selection.end.row || selection.rect)
3001 MIN_IT (end_col, selection.end.col); 2929 end_col = min (end_col, selection.end.col);
3002 2930
3003 t = save[row].t + col; 2931 t = ROW(row).t + col;
3004 for (; col < end_col; col++) 2932 for (; col < end_col; col++)
3005 { 2933 {
3006 if (*t == NOCHAR) 2934 if (*t == NOCHAR)
3007 t++; 2935 t++;
3008#if ENABLE_COMBINING 2936#if ENABLE_COMBINING
3024#endif 2952#endif
3025 else 2953 else
3026 new_selection_text[ofs++] = *t++; 2954 new_selection_text[ofs++] = *t++;
3027 } 2955 }
3028 2956
3029 if (!save[row].is_longer () && row != end_row) 2957 if (!ROW(row).is_longer () && row != selection.end.row)
3030 new_selection_text[ofs++] = C0_LF; 2958 new_selection_text[ofs++] = C0_LF;
3031 } 2959 }
3032 2960
3033 if (end_col != selection.end.col) 2961 if (end_col != selection.end.col)
3034 new_selection_text[ofs++] = C0_LF; 2962 new_selection_text[ofs++] = C0_LF;
3093 */ 3021 */
3094void 3022void
3095rxvt_term::selection_start_colrow (int col, int row) 3023rxvt_term::selection_start_colrow (int col, int row)
3096{ 3024{
3097 want_refresh = 1; 3025 want_refresh = 1;
3026
3027 selection.mark.row = row - view_start;
3098 selection.mark.col = col; 3028 selection.mark.col = col;
3099 selection.mark.row = row - view_start;
3100 3029
3101 MAX_IT (selection.mark.row, - (int32_t)nscrolled); 3030 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);
3102 MIN_IT (selection.mark.row, (int32_t)nrow - 1); 3031 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3103 MAX_IT (selection.mark.col, 0);
3104 MIN_IT (selection.mark.col, (int32_t)ncol - 1);
3105 3032
3106 while (selection.mark.col > 0 3033 while (selection.mark.col > 0
3107 && save[selection.mark.row + saveLines].t[selection.mark.col] == NOCHAR) 3034 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3108 --selection.mark.col; 3035 --selection.mark.col;
3109 3036
3110 if (selection.op) 3037 if (selection.op)
3111 { /* clear the old selection */ 3038 { /* clear the old selection */
3112 selection.beg.row = selection.end.row = selection.mark.row; 3039 selection.beg.row = selection.end.row = selection.mark.row;
3136 text_t *stp; 3063 text_t *stp;
3137 rend_t *srp; 3064 rend_t *srp;
3138 3065
3139 if (dirn == UP) 3066 if (dirn == UP)
3140 { 3067 {
3141 bound.row = saveLines - nscrolled - 1; 3068 bound.row = - nsaved - 1;
3142 bound.col = 0; 3069 bound.col = 0;
3143 dirnadd = -1; 3070 dirnadd = -1;
3144 } 3071 }
3145 else 3072 else
3146 { 3073 {
3147 bound.row = saveLines + nrow; 3074 bound.row = nrow;
3148 bound.col = ncol - 1; 3075 bound.col = ncol - 1;
3149 dirnadd = 1; 3076 dirnadd = 1;
3150 } 3077 }
3151 3078
3152 row = mark->row + saveLines; 3079 row = mark->row;
3153 col = mark->col; 3080 col = max (mark->col, 0);
3154 MAX_IT (col, 0); 3081
3155 /* find the edge of a word */ 3082 /* find the edge of a word */
3156 stp = save[row].t + col; w1 = DELIMIT_TEXT (*stp); 3083 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
3157 srp = save[row].r + col; w2 = DELIMIT_REND (*srp); 3084 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
3158 3085
3159 for (;;) 3086 for (;;)
3160 { 3087 {
3161 for (; col != bound.col; col += dirnadd) 3088 for (; col != bound.col; col += dirnadd)
3162 { 3089 {
3172 break; 3099 break;
3173 } 3100 }
3174 3101
3175 if ((col == bound.col) && (row != bound.row)) 3102 if ((col == bound.col) && (row != bound.row))
3176 { 3103 {
3177 if (save[ (row - (dirn == UP ? 1 : 0))].is_longer ()) 3104 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3178 { 3105 {
3179 trow = row + dirnadd; 3106 trow = row + dirnadd;
3180 tcol = dirn == UP ? ncol - 1 : 0; 3107 tcol = dirn == UP ? ncol - 1 : 0;
3181 3108
3182 if (!save[trow].t) 3109 if (!ROW(trow).t)
3183 break; 3110 break;
3184 3111
3185 stp = save[trow].t + tcol; 3112 stp = ROW(trow).t + tcol;
3186 srp = save[trow].r + tcol; 3113 srp = ROW(trow).r + tcol;
3187 3114
3188 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) 3115 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3189 break; 3116 break;
3190 3117
3191 row = trow; 3118 row = trow;
3199Old_Word_Selection_You_Die: 3126Old_Word_Selection_You_Die:
3200 if (dirn == DN) 3127 if (dirn == DN)
3201 col++; /* put us on one past the end */ 3128 col++; /* put us on one past the end */
3202 3129
3203 /* Poke the values back in */ 3130 /* Poke the values back in */
3204 ret->row = row - saveLines; 3131 ret->row = row;
3205 ret->col = col; 3132 ret->col = col;
3206} 3133}
3207 3134
3208/* ------------------------------------------------------------------------- */ 3135/* ------------------------------------------------------------------------- */
3209/* 3136/*
3214 * flag == 2 ==> button 3 motion 3141 * flag == 2 ==> button 3 motion
3215 */ 3142 */
3216void 3143void
3217rxvt_term::selection_extend (int x, int y, int flag) 3144rxvt_term::selection_extend (int x, int y, int flag)
3218{ 3145{
3219 int col, row; 3146 int col = clamp (Pixel2Col (x), 0, ncol);
3220 3147 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3221 col = Pixel2Col (x);
3222 row = Pixel2Row (y);
3223 MAX_IT (row, 0);
3224 MIN_IT (row, (int)nrow - 1);
3225 MAX_IT (col, 0);
3226 MIN_IT (col, (int)ncol);
3227 3148
3228 /* 3149 /*
3229 * If we're selecting characters (single click) then we must check first 3150 * If we're selecting characters (single click) then we must check first
3230 * if we are at the same place as the original mark. If we are then 3151 * if we are at the same place as the original mark. If we are then
3231 * select nothing. Otherwise, if we're to the right of the mark, you have to 3152 * select nothing. Otherwise, if we're to the right of the mark, you have to
3296 selection.beg.col = selection.end.col = selection.mark.col; 3217 selection.beg.col = selection.end.col = selection.mark.col;
3297 selection.beg.row = selection.end.row = selection.mark.row; 3218 selection.beg.row = selection.end.row = selection.mark.row;
3298 } 3219 }
3299 3220
3300 pos.col = col; 3221 pos.col = col;
3301 pos.row = row; 3222 pos.row = row - view_start;
3302
3303 pos.row -= view_start; /* adjust for scroll */
3304 3223
3305 /* 3224 /*
3306 * This is mainly xterm style selection with a couple of differences, mainly 3225 * This is mainly xterm style selection with a couple of differences, mainly
3307 * in the way button3 drag extension works. 3226 * in the way button3 drag extension works.
3308 * We're either doing: button1 drag; button3 press; or button3 drag 3227 * We're either doing: button1 drag; button3 press; or button3 drag
3367 } 3286 }
3368 } 3287 }
3369 3288
3370 if (selection.clicks == 1) 3289 if (selection.clicks == 1)
3371 { 3290 {
3372 if (selection.beg.col > save[selection.beg.row + saveLines].l //TODO//FIXME//LEN 3291 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3373 && !save[selection.beg.row + saveLines].is_longer () 3292 && !ROW(selection.beg.row).is_longer ()
3374#if ENABLE_FRILLS 3293#if ENABLE_FRILLS
3375 && !selection.rect 3294 && !selection.rect
3376#endif 3295#endif
3377 ) 3296 )
3378 selection.beg.col = ncol; 3297 selection.beg.col = ncol;
3379 3298
3380 if ( 3299 if (
3381 selection.end.col > save[selection.end.row + saveLines].l //TODO//FIXME//LEN 3300 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3382 && !save[selection.end.row + saveLines].is_longer () 3301 && !ROW(selection.end.row).is_longer ()
3383#if ENABLE_FRILLS 3302#if ENABLE_FRILLS
3384 && !selection.rect 3303 && !selection.rect
3385#endif 3304#endif
3386 ) 3305 )
3387 selection.end.col = ncol; 3306 selection.end.col = ncol;
3401 { 3320 {
3402 selection_delimit_word (UP, &selection.beg, &selection.beg); 3321 selection_delimit_word (UP, &selection.beg, &selection.beg);
3403 3322
3404 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3323 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3405 { 3324 {
3406 if (!save[end_row + saveLines].is_longer ()) 3325 if (!ROW(end_row).is_longer ())
3407 { 3326 {
3408 selection.end.row = end_row; 3327 selection.end.row = end_row;
3409 selection.end.col = save[end_row + saveLines].l; 3328 selection.end.col = ROW(end_row).l;
3410 selection_remove_trailing_spaces (); 3329 selection_remove_trailing_spaces ();
3411 break; 3330 break;
3412 } 3331 }
3413 } 3332 }
3414 } 3333 }
3421 selection.beg.col = 0; 3340 selection.beg.col = 0;
3422 selection.end.col = ncol; 3341 selection.end.col = ncol;
3423 3342
3424 // select a complete logical line 3343 // select a complete logical line
3425 while (selection.beg.row > -saveLines 3344 while (selection.beg.row > -saveLines
3426 && save[selection.beg.row - 1 + saveLines].is_longer ()) 3345 && ROW(selection.beg.row - 1).is_longer ())
3427 selection.beg.row--; 3346 selection.beg.row--;
3428 3347
3429 while (selection.end.row < nrow 3348 while (selection.end.row < nrow
3430 && save[selection.end.row + saveLines].is_longer ()) 3349 && ROW(selection.end.row).is_longer ())
3431 selection.end.row++; 3350 selection.end.row++;
3432 } 3351 }
3433 } 3352 }
3434 3353
3435 if (button3 && buttonpress) 3354 if (button3 && buttonpress)
3446 } 3365 }
3447 } 3366 }
3448 3367
3449#if ENABLE_FRILLS 3368#if ENABLE_FRILLS
3450 if (selection.rect && selection.beg.col > selection.end.col) 3369 if (selection.rect && selection.beg.col > selection.end.col)
3451 SWAP_IT (selection.beg.col, selection.end.col, int); 3370 ::swap (selection.beg.col, selection.end.col);
3452#endif 3371#endif
3453} 3372}
3454 3373
3455#if ENABLE_FRILLS 3374#if ENABLE_FRILLS
3456void 3375void
3460 text_t *stp; 3379 text_t *stp;
3461 3380
3462 end_col = selection.end.col; 3381 end_col = selection.end.col;
3463 end_row = selection.end.row; 3382 end_row = selection.end.row;
3464 3383
3465 for ( ; end_row >= selection.beg.row; ) 3384 for (; end_row >= selection.beg.row; )
3466 { 3385 {
3467 stp = save[end_row + saveLines].t; 3386 stp = ROW(end_row).t;
3468 3387
3469 while (--end_col >= 0) 3388 while (--end_col >= 0)
3470 { 3389 {
3471 if (stp[end_col] != ' ' 3390 if (stp[end_col] != ' '
3472 && stp[end_col] != '\t' 3391 && stp[end_col] != '\t'
3473 && stp[end_col] != NOCHAR) 3392 && stp[end_col] != NOCHAR)
3474 break; 3393 break;
3475 } 3394 }
3476 3395
3477 if (end_col >= 0 3396 if (end_col >= 0
3478 || !save[end_row - 1 + saveLines].is_longer ()) 3397 || !ROW(end_row - 1).is_longer ())
3479 { 3398 {
3480 selection.end.col = end_col + 1; 3399 selection.end.col = end_col + 1;
3481 selection.end.row = end_row; 3400 selection.end.row = end_row;
3482 break; 3401 break;
3483 } 3402 }
3654 */ 3573 */
3655void 3574void
3656rxvt_term::pixel_position (int *x, int *y) 3575rxvt_term::pixel_position (int *x, int *y)
3657{ 3576{
3658 *x = Pixel2Col (*x); 3577 *x = Pixel2Col (*x);
3659 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3578 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3660 *y = Pixel2Row (*y); 3579 *y = Pixel2Row (*y);
3661 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3580 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3662} 3581}
3663 3582
3664/* ------------------------------------------------------------------------- */ 3583/* ------------------------------------------------------------------------- */
3665#ifdef USE_XIM 3584#ifdef USE_XIM
3666void 3585void
3688 3607
3689 if (x < 0) x = ncol - w; 3608 if (x < 0) x = ncol - w;
3690 if (y < 0) y = nrow - h; 3609 if (y < 0) y = nrow - h;
3691 3610
3692 // make space for border 3611 // make space for border
3693 w += 2; MIN_IT (w, ncol); 3612 w += 2; min_it (w, ncol);
3694 h += 2; MIN_IT (h, nrow); 3613 h += 2; min_it (h, nrow);
3695 3614
3696 x -= 1; MAX_IT (x, 0); 3615 x -= 1; max_it (x, 0);
3697 y -= 1; MAX_IT (y, 0); 3616 y -= 1; max_it (y, 0);
3698 3617
3699 MIN_IT (x, ncol - w); 3618 min_it (x, ncol - w);
3700 MIN_IT (y, nrow - h); 3619 min_it (y, nrow - h);
3701 3620
3702 ov_x = x; ov_y = y; 3621 ov_x = x; ov_y = y;
3703 ov_w = w; ov_h = h; 3622 ov_w = w; ov_h = h;
3704 3623
3705 ov_text = new text_t *[h]; 3624 ov_text = new text_t *[h];
3791rxvt_term::scr_swap_overlay () 3710rxvt_term::scr_swap_overlay ()
3792{ 3711{
3793 if (!ov_text) 3712 if (!ov_text)
3794 return; 3713 return;
3795 3714
3796 int row_offset = ov_y + saveLines - view_start;
3797
3798 // swap screen mem with overlay 3715 // swap screen mem with overlay
3799 for (int y = ov_h; y--; ) 3716 for (int y = ov_h; y--; )
3800 { 3717 {
3801 text_t *t1 = ov_text[y]; 3718 text_t *t1 = ov_text[y];
3802 rend_t *r1 = ov_rend[y]; 3719 rend_t *r1 = ov_rend[y];
3803 3720
3804 text_t *t2 = save[y + row_offset].t + ov_x; 3721 text_t *t2 = ROW(y - view_start).t + ov_x;
3805 rend_t *r2 = save[y + row_offset].r + ov_x; 3722 rend_t *r2 = ROW(y - view_start).r + ov_x;
3806 3723
3807 for (int x = ov_w; x--; ) 3724 for (int x = ov_w; x--; )
3808 { 3725 {
3809 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3726 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3810 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3727 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3812 } 3729 }
3813} 3730}
3814 3731
3815#endif 3732#endif
3816/* ------------------------------------------------------------------------- */ 3733/* ------------------------------------------------------------------------- */
3734

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