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/cvs/rxvt-unicode/src/screen.C
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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.386 by root, Thu Jul 7 23:15:44 2011 UTC vs.
Revision 1.396 by root, Wed Nov 2 10:53:12 2011 UTC

203 term_start = 0; 203 term_start = 0;
204 204
205 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
207 207
208 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); 208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
209 drawn_buf = (line_t *)rxvt_calloc (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)); 210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211 211
212 for (int row = nrow; row--; ) 212 for (int row = nrow; row--; )
213 { 213 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 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); 276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 } 277 }
278 278
279 line_t *old_buf = row_buf; 279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); 280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
281 281
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows); 283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row 284 int q = total_rows; // rewrapped row
285 285
638 638
639 if (count > 0 639 if (count > 0
640 && row1 == 0 640 && row1 == 0
641 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 641 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
642 { 642 {
643 min_it (count, row2 - total_rows); 643 min_it (count, total_rows - (nrow - (row2 + 1)));
644 644
645 top_row = max (top_row - count, -saveLines); 645 top_row = max (top_row - count, -saveLines);
646
647 // scroll everything up 'count' lines
648 term_start = (term_start + count) % total_rows;
649 646
650 // sever bottommost line 647 // sever bottommost line
651 { 648 {
652 line_t &l = ROW(row2 - count); 649 line_t &l = ROW(row2);
653 l.is_longer (0); 650 l.is_longer (0);
654 l.touch (); 651 l.touch ();
655 } 652 }
656 653
654 // scroll everything up 'count' lines
655 term_start = (term_start + count) % total_rows;
656
657 // now copy lines below the scroll region bottom to the
658 // bottom of the screen again, so they look as if they
659 // hadn't moved.
660 for (int i = nrow; --i > row2; )
661 {
662 line_t &l1 = ROW(i - count);
663 line_t &l2 = ROW(i);
664
665 ::swap (l1, l2);
666 l2.touch ();
667 }
668
657 // erase newly scrolled-in lines 669 // erase newly scrolled-in lines
658 for (int i = count; i--; ) 670 for (int i = count; i--; )
659 { 671 {
660 line_t &l = ROW(nrow - 1 - i); 672 line_t &l = ROW(row2 - i);
661 673
662 // optimise if already cleared, can be significant on slow machines 674 // optimise if already cleared, can be significant on slow machines
663 // could be rolled into scr_blank_screen_mem 675 // could be rolled into scr_blank_screen_mem
664 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 676 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
665 { 677 {
669 } 681 }
670 else 682 else
671 scr_blank_screen_mem (l, rstyle); 683 scr_blank_screen_mem (l, rstyle);
672 } 684 }
673 685
674 // now copy lines below the scroll region bottom to the
675 // bottom of the screen again, so they look as if they
676 // hadn't moved.
677 for (int i = nrow; --i > row2; )
678 {
679 line_t &l1 = ROW(i - count);
680 line_t &l2 = ROW(i);
681
682 ::swap (l1, l2);
683 l2.touch ();
684 }
685
686 // move and/or clear selection, if any 686 // move and/or clear selection, if any
687 if (selection.op && current_screen == selection.screen) 687 if (selection.op && current_screen == selection.screen)
688 { 688 {
689 selection.beg.row -= count; 689 selection.beg.row -= count;
690 selection.end.row -= count; 690 selection.end.row -= count;
691 selection.mark.row -= count; 691 selection.mark.row -= count;
692 692
693 if (selection.beg.row < top_row 693 selection_check (0);
694 || selection.end.row < top_row
695 || selection.mark.row < top_row)
696 {
697 CLEAR_ALL_SELECTION ();
698 selection.op = SELECTION_CLEAR;
699 }
700 } 694 }
701 695
702 // finally move the view window, if desired 696 // finally move the view window, if desired
703 if (option (Opt_scrollWithBuffer) 697 if (option (Opt_scrollWithBuffer)
704 && view_start != 0 698 && view_start != 0
734 } 728 }
735 729
736 // use a simple and robust scrolling algorithm, this 730 // use a simple and robust scrolling algorithm, this
737 // part of scr_scroll_text is not time-critical. 731 // part of scr_scroll_text is not time-critical.
738 732
733 // sever line above scroll region
734 if (row1)
735 {
736 line_t &l = ROW(row1 - 1);
737 l.is_longer (0);
738 l.touch ();
739 }
740
739 int rows = row2 - row1 + 1; 741 int rows = row2 - row1 + 1;
740 742
741 min_it (count, rows); 743 min_it (count, rows);
742 744
743 line_t *temp_buf = row_buf + total_rows; 745 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
744 746
745 for (int row = 0; row < rows; row++) 747 for (int row = 0; row < rows; row++)
746 { 748 {
747 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 749 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
748 750
750 scr_blank_screen_mem (temp_buf [row], rstyle); 752 scr_blank_screen_mem (temp_buf [row], rstyle);
751 } 753 }
752 754
753 for (int row = 0; row < rows; row++) 755 for (int row = 0; row < rows; row++)
754 ROW(row1 + row) = temp_buf [row]; 756 ROW(row1 + row) = temp_buf [row];
757
758 // sever bottommost line
759 {
760 line_t &l = ROW(row2);
761 l.is_longer (0);
762 l.touch ();
763 }
755 } 764 }
756 765
757 return count; 766 return count;
758} 767}
759 768
2548 { 2557 {
2549 if (transparent) 2558 if (transparent)
2550 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2559 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2551 else 2560 else
2552 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2561 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2553 scrollBar.state = STATE_IDLE; 2562 scrollBar.state = SB_STATE_IDLE;
2554 scrollBar.show (0); 2563 scrollBar.show (0);
2555 } 2564 }
2556 2565
2557 if (refresh) 2566 if (refresh)
2558 { 2567 {
2702 || (check_more == 3 2711 || (check_more == 3
2703 && ROWCOL_IS_AFTER (selection.end, pos)) 2712 && ROWCOL_IS_AFTER (selection.end, pos))
2704 || (check_more == 4 /* screen width change */ 2713 || (check_more == 4 /* screen width change */
2705 && (selection.beg.row != selection.end.row 2714 && (selection.beg.row != selection.end.row
2706 || selection.end.col > ncol))) 2715 || selection.end.col > ncol)))
2707 CLEAR_SELECTION (); 2716 CLEAR_ALL_SELECTION ();
2708} 2717}
2709 2718
2710/* ------------------------------------------------------------------------- */ 2719/* ------------------------------------------------------------------------- */
2711/* 2720/*
2712 * Paste a selection direct to the command fd 2721 * Paste a selection direct to the command fd

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