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| author | Jim Blandy <jimb@redhat.com> | 1992-02-04 01:11:11 +0000 |
|---|---|---|
| committer | Jim Blandy <jimb@redhat.com> | 1992-02-04 01:11:11 +0000 |
| commit | 3ad76a8eecb9d8dc9943ece648e4da8437e2139f (patch) | |
| tree | b4949a1420e59a5ccb38c084c1184b5d88853f74 /src/scroll.c | |
| parent | f54ad5d794e6f6f962cfe34fe223c0e130c93534 (diff) | |
| download | emacs-3ad76a8eecb9d8dc9943ece648e4da8437e2139f.tar.gz | |
*** empty log message ***
Diffstat (limited to 'src/scroll.c')
| -rw-r--r-- | src/scroll.c | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/src/scroll.c b/src/scroll.c index 7432a3ea06c..64dfd9aef25 100644 --- a/src/scroll.c +++ b/src/scroll.c @@ -237,6 +237,7 @@ do_scrolling (screen, matrix, window_size, unchanged_at_top) register struct matrix_elt *p; register int i, j; register struct screen_glyphs *current_screen; + /* temp_screen->enable[i] means line i has been moved to current_screen. */ register struct screen_glyphs *temp_screen; struct queue { int count, pos; } *queue; int offset = unchanged_at_top; @@ -487,11 +488,11 @@ line_ins_del (screen, ov1, pf1, ovn, pfn, ov, mf) register int insert_overhead = ov1 * 10; register int next_insert_cost = ovn * 10; - for (i = 0; i < screen_height; i++) + for (i = screen_height-1; i >= 0; i--) { - mf[screen_height - i] = next_insert_cost / 10; + mf[i] = next_insert_cost / 10; next_insert_cost += pfn; - ov[screen_height - i] = (insert_overhead + next_insert_cost) / 10; + ov[i] = (insert_overhead + next_insert_cost) / 10; insert_overhead += pf1; } } @@ -568,29 +569,29 @@ do_line_insertion_deletion_costs (screen, { if (SCREEN_INSERT_COST (screen) != 0) { - SCREEN_INSERT_COST (screen) - = (int *) xrealloc (SCREEN_INSERT_COST (screen), - SCREEN_HEIGHT (screen) * sizeof (int)); - SCREEN_DELETEN_COST (screen) - = (int *) xrealloc (SCREEN_DELETEN_COST (screen), - SCREEN_HEIGHT (screen) * sizeof (int)); - SCREEN_INSERTN_COST (screen) - = (int *) xrealloc (SCREEN_INSERTN_COST (screen), - SCREEN_HEIGHT (screen) * sizeof (int)); - SCREEN_DELETE_COST (screen) - = (int *) xrealloc (SCREEN_DELETE_COST (screen), - SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_INSERT_COST (screen) = + (int *) xrealloc (SCREEN_INSERT_COST (screen), + SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_DELETEN_COST (screen) = + (int *) xrealloc (SCREEN_DELETEN_COST (screen), + SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_INSERTN_COST (screen) = + (int *) xrealloc (SCREEN_INSERTN_COST (screen), + SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_DELETE_COST (screen) = + (int *) xrealloc (SCREEN_DELETE_COST (screen), + SCREEN_HEIGHT (screen) * sizeof (int)); } else { - SCREEN_INSERT_COST (screen) - = (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); - SCREEN_DELETEN_COST (screen) - = (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); - SCREEN_INSERTN_COST (screen) - = (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); - SCREEN_DELETE_COST (screen) - = (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_INSERT_COST (screen) = + (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_DELETEN_COST (screen) = + (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_INSERTN_COST (screen) = + (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); + SCREEN_DELETE_COST (screen) = + (int *) xmalloc (SCREEN_HEIGHT (screen) * sizeof (int)); } ins_del_costs (screen, |