diff options
Diffstat (limited to 'src/scroll.c')
| -rw-r--r-- | src/scroll.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/scroll.c b/src/scroll.c index e6929113e8a..ccbc85ac8b2 100644 --- a/src/scroll.c +++ b/src/scroll.c @@ -232,13 +232,13 @@ calculate_scrolling (frame, matrix, window_size, lines_below, /* Perform insert-lines and delete-lines operations on CURRENT_MATRIX according to the costs in MATRIX, using the general scrolling method that is used if the terminal does not support the setting of - scroll windows (scroll_region_ok == 0). + scroll windows (scroll_region_ok == 0). WINDOW_SIZE is the number of lines being considered for scrolling and UNCHANGED_AT_TOP is the vpos of the first line being considered. These two arguments can specify any contiguous range of lines. */ - + static void do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) struct glyph_matrix *current_matrix; @@ -258,7 +258,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) struct queue *queue_start = (struct queue *) alloca (current_matrix->nrows * sizeof (struct queue)); struct queue *queue = queue_start; - + char *retained_p = (char *) alloca (window_size * sizeof (char)); int *copy_from = (int *) alloca (window_size * sizeof (int)); @@ -283,7 +283,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) while (i > 0 || j > 0) { p = matrix + i * (window_size + 1) + j; - + if (p->insertcost < p->writecost && p->insertcost < p->deletecost) { /* Insert should be done at vpos i-1, plus maybe some before. @@ -365,7 +365,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) } } while (queue > queue_start); - + } for (k = 0; k < window_size; ++k) @@ -377,7 +377,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) /* Some sanity checks if GLYPH_DEBUG != 0. */ CHECK_MATRIX (current_matrix); - + if (terminal_window_p) set_terminal_window (0); } @@ -562,7 +562,7 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below, To reduce the cumulative effects of rounding error, we vary the position at which the difference is computed. */ cost1 += first_insert_cost[-j] - first_insert_cost[1-j] + - (delta-1) * (next_insert_cost[-j] - next_insert_cost[1-j]); + (delta-1) * (next_insert_cost[-j] - next_insert_cost[1-j]); } else { @@ -570,7 +570,7 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below, cost += scroll_overhead + first_delete_cost[-delta] + (delta-1) * (next_delete_cost[-delta] + extra_cost); cost1 += first_delete_cost[-i] - first_delete_cost[1-i] + - (delta-1) * ( next_delete_cost[-i] - next_delete_cost[1-i]); + (delta-1) * ( next_delete_cost[-i] - next_delete_cost[1-i]); } if (cost1 < cost) { @@ -641,7 +641,7 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below, and UNCHANGED_AT_TOP is the vpos of the first line being considered. These two arguments can specify any contiguous range of lines. - + In the direct scrolling method, a new scroll window is selected before each insertion or deletion, so that groups of lines can be scrolled directly to their final vertical positions. This method @@ -701,11 +701,11 @@ do_direct_scrolling (current_matrix, cost_matrix, window_size, without also decrementing i, this corresponds to omitting these lines in the new rows, i.e. rows are deleted. */ i = j = window_size; - + while (i > 0 || j > 0) { p = cost_matrix + i * (window_size + 1) + j; - + if (p->insertcost < p->writecost && p->insertcost < p->deletecost && (write_follows_p || i < j)) @@ -717,7 +717,7 @@ do_direct_scrolling (current_matrix, cost_matrix, window_size, queue->window = i; queue->pos = i - p->insertcount; ++queue; - + i -= p->insertcount; write_follows_p = 0; } @@ -736,7 +736,7 @@ do_direct_scrolling (current_matrix, cost_matrix, window_size, place they belong. */ int n_to_write = p->writecount; write_follows_p = 1; - xassert (n_to_write > 0); + xassert (n_to_write > 0); if (i > j) { @@ -822,7 +822,7 @@ scrolling_1 (frame, window_size, unchanged_at_top, unchanged_at_bottom, { calculate_direct_scrolling (frame, matrix, window_size, unchanged_at_bottom, - draw_cost, old_draw_cost, + draw_cost, old_draw_cost, old_hash, new_hash, free_at_end); do_direct_scrolling (frame->current_matrix, matrix, window_size, unchanged_at_top); @@ -1054,7 +1054,7 @@ do_line_insertion_deletion_costs (frame, (int *) xmalloc (FRAME_HEIGHT (frame) * sizeof (int)); FRAME_INSERTN_COST (frame) = (int *) xmalloc (FRAME_HEIGHT (frame) * sizeof (int)); - FRAME_DELETE_COST (frame) = + FRAME_DELETE_COST (frame) = (int *) xmalloc (FRAME_HEIGHT (frame) * sizeof (int)); } |