| … | |
… | |
| 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 | |
| … | |
… | |
| 644 | |
644 | |
| 645 | top_row = max (top_row - count, -saveLines); |
645 | top_row = max (top_row - count, -saveLines); |
| 646 | |
646 | |
| 647 | // sever bottommost line |
647 | // sever bottommost line |
| 648 | { |
648 | { |
| 649 | line_t &l = ROW(row2 - 1); |
649 | line_t &l = ROW(row2); |
| 650 | l.is_longer (0); |
650 | l.is_longer (0); |
| 651 | l.touch (); |
651 | l.touch (); |
| 652 | } |
652 | } |
| 653 | |
653 | |
| 654 | // scroll everything up 'count' lines |
654 | // scroll everything up 'count' lines |
| … | |
… | |
| 734 | } |
734 | } |
| 735 | |
735 | |
| 736 | // use a simple and robust scrolling algorithm, this |
736 | // use a simple and robust scrolling algorithm, this |
| 737 | // part of scr_scroll_text is not time-critical. |
737 | // part of scr_scroll_text is not time-critical. |
| 738 | |
738 | |
|
|
739 | // sever line above scroll region |
|
|
740 | if (row1) |
|
|
741 | { |
|
|
742 | line_t &l = ROW(row1 - 1); |
|
|
743 | l.is_longer (0); |
|
|
744 | l.touch (); |
|
|
745 | } |
|
|
746 | |
| 739 | int rows = row2 - row1 + 1; |
747 | int rows = row2 - row1 + 1; |
| 740 | |
748 | |
| 741 | min_it (count, rows); |
749 | min_it (count, rows); |
| 742 | |
750 | |
| 743 | line_t *temp_buf = row_buf + total_rows; |
751 | line_t *temp_buf = rxvt_temp_buf<line_t> (rows); |
| 744 | |
752 | |
| 745 | for (int row = 0; row < rows; row++) |
753 | for (int row = 0; row < rows; row++) |
| 746 | { |
754 | { |
| 747 | temp_buf [row] = ROW(row1 + (row + count + rows) % rows); |
755 | temp_buf [row] = ROW(row1 + (row + count + rows) % rows); |
| 748 | |
756 | |
| … | |
… | |
| 750 | scr_blank_screen_mem (temp_buf [row], rstyle); |
758 | scr_blank_screen_mem (temp_buf [row], rstyle); |
| 751 | } |
759 | } |
| 752 | |
760 | |
| 753 | for (int row = 0; row < rows; row++) |
761 | for (int row = 0; row < rows; row++) |
| 754 | ROW(row1 + row) = temp_buf [row]; |
762 | ROW(row1 + row) = temp_buf [row]; |
|
|
763 | |
|
|
764 | // sever bottommost line |
|
|
765 | { |
|
|
766 | line_t &l = ROW(row2); |
|
|
767 | l.is_longer (0); |
|
|
768 | l.touch (); |
|
|
769 | } |
| 755 | } |
770 | } |
| 756 | |
771 | |
| 757 | return count; |
772 | return count; |
| 758 | } |
773 | } |
| 759 | |
774 | |
