| … | |
… | |
| 681 | } |
681 | } |
| 682 | else |
682 | else |
| 683 | scr_blank_screen_mem (l, rstyle); |
683 | scr_blank_screen_mem (l, rstyle); |
| 684 | } |
684 | } |
| 685 | |
685 | |
|
|
686 | // move and/or clear selection, if any |
|
|
687 | if (selection.op && current_screen == selection.screen) |
|
|
688 | { |
|
|
689 | selection.beg.row -= count; |
|
|
690 | selection.end.row -= count; |
|
|
691 | selection.mark.row -= count; |
|
|
692 | |
|
|
693 | selection_check (0); |
|
|
694 | } |
|
|
695 | |
| 686 | // finally move the view window, if desired |
696 | // finally move the view window, if desired |
| 687 | if (option (Opt_scrollWithBuffer) |
697 | if (option (Opt_scrollWithBuffer) |
| 688 | && view_start != 0 |
698 | && view_start != 0 |
| 689 | && view_start != -saveLines) |
699 | && view_start != -saveLines) |
| 690 | scr_page (UP, count); |
700 | scr_page (UP, count); |
| … | |
… | |
| 692 | if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) |
702 | if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) |
| 693 | HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); |
703 | HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); |
| 694 | } |
704 | } |
| 695 | else |
705 | else |
| 696 | { |
706 | { |
|
|
707 | if (selection.op && current_screen == selection.screen) |
|
|
708 | { |
|
|
709 | if ((selection.beg.row < row1 && selection.end.row > row1) |
|
|
710 | || (selection.beg.row < row2 && selection.end.row > row2) |
|
|
711 | || (selection.beg.row - count < row1 && selection.beg.row >= row1) |
|
|
712 | || (selection.beg.row - count > row2 && selection.beg.row <= row2) |
|
|
713 | || (selection.end.row - count < row1 && selection.end.row >= row1) |
|
|
714 | || (selection.end.row - count > row2 && selection.end.row <= row2)) |
|
|
715 | { |
|
|
716 | CLEAR_ALL_SELECTION (); |
|
|
717 | selection.op = SELECTION_CLEAR; |
|
|
718 | } |
|
|
719 | else if (selection.end.row >= row1 && selection.end.row <= row2) |
|
|
720 | { |
|
|
721 | /* move selected region too */ |
|
|
722 | selection.beg.row -= count; |
|
|
723 | selection.end.row -= count; |
|
|
724 | selection.mark.row -= count; |
|
|
725 | |
|
|
726 | selection_check (0); |
|
|
727 | } |
|
|
728 | } |
|
|
729 | |
| 697 | // use a simple and robust scrolling algorithm, this |
730 | // use a simple and robust scrolling algorithm, this |
| 698 | // part of scr_scroll_text is not time-critical. |
731 | // part of scr_scroll_text is not time-critical. |
| 699 | |
732 | |
| 700 | // sever line above scroll region |
733 | // sever line above scroll region |
| 701 | if (row1) |
734 | if (row1) |
| … | |
… | |
| 726 | { |
759 | { |
| 727 | line_t &l = ROW(row2); |
760 | line_t &l = ROW(row2); |
| 728 | l.is_longer (0); |
761 | l.is_longer (0); |
| 729 | l.touch (); |
762 | l.touch (); |
| 730 | } |
763 | } |
| 731 | } |
|
|
| 732 | |
|
|
| 733 | // move and/or clear selection, if any |
|
|
| 734 | if (selection.op && current_screen == selection.screen) |
|
|
| 735 | { |
|
|
| 736 | if ((selection.beg.row < row1 && selection.end.row > row1) |
|
|
| 737 | || (selection.beg.row < row2 && selection.end.row > row2) |
|
|
| 738 | || (selection.beg.row - count < row1 && selection.beg.row >= row1) |
|
|
| 739 | || (selection.beg.row - count > row2 && selection.beg.row <= row2) |
|
|
| 740 | || (selection.end.row - count < row1 && selection.end.row >= row1) |
|
|
| 741 | || (selection.end.row - count > row2 && selection.end.row <= row2)) |
|
|
| 742 | CLEAR_ALL_SELECTION (); |
|
|
| 743 | else if (selection.end.row >= row1 && selection.end.row <= row2) |
|
|
| 744 | { |
|
|
| 745 | /* move selected region too */ |
|
|
| 746 | selection.beg.row -= count; |
|
|
| 747 | selection.end.row -= count; |
|
|
| 748 | selection.mark.row -= count; |
|
|
| 749 | |
|
|
| 750 | selection_check (0); |
|
|
| 751 | } |
|
|
| 752 | } |
764 | } |
| 753 | |
765 | |
| 754 | return count; |
766 | return count; |
| 755 | } |
767 | } |
| 756 | |
768 | |
