diff options
| author | Nicholas Marriott <nicm@openbsd.org> | 2009-07-09 07:58:14 +0000 |
|---|---|---|
| committer | Nicholas Marriott <nicm@openbsd.org> | 2009-07-09 07:58:14 +0000 |
| commit | 86c93c6e34cfe927e8d4e2901febf2ee063fa88b (patch) | |
| tree | b0325e3ce67cb7c67c4cbf97e09fc72d2ddc490d /grid-view.c | |
| parent | 643c219d180be584092f406c52602fb7f84c8852 (diff) | |
Change inserting and deleting lines inside the scroll region to properly clear
lines that should be inserted/deleted but not moved. Fixes problems with mutt
reported by Brian Lewis, thanks.
Diffstat (limited to 'grid-view.c')
| -rw-r--r-- | grid-view.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/grid-view.c b/grid-view.c index a9144a1f..5ad8fc2f 100644 --- a/grid-view.c +++ b/grid-view.c @@ -134,13 +134,17 @@ grid_view_insert_lines(struct grid *gd, u_int py, u_int ny) void grid_view_insert_lines_region(struct grid *gd, u_int rlower, u_int py, u_int ny) { + u_int ny2; + GRID_DEBUG(gd, "rlower=%u, py=%u, ny=%u", rlower, py, ny); rlower = grid_view_y(gd, rlower); py = grid_view_y(gd, py); - grid_move_lines(gd, py + ny, py, (rlower + 1) - py - ny); + ny2 = rlower + 1 - py - ny; + grid_move_lines(gd, rlower + 1 - ny2, py, ny2); + grid_clear(gd, 0, py + ny2, gd->sx, ny - ny2); } /* Delete lines. */ @@ -156,20 +160,24 @@ grid_view_delete_lines(struct grid *gd, u_int py, u_int ny) sy = grid_view_y(gd, gd->sy); grid_move_lines(gd, py, py + ny, sy - py - ny); - grid_clear(gd, 0, sy - ny, gd->sx, py + ny - (sy - ny)); + grid_clear(gd, 0, sy - ny, gd->sx, py + ny - (sy - ny)); } /* Delete lines inside scroll region. */ void grid_view_delete_lines_region(struct grid *gd, u_int rlower, u_int py, u_int ny) { + u_int ny2; + GRID_DEBUG(gd, "rlower=%u, py=%u, ny=%u", rlower, py, ny); rlower = grid_view_y(gd, rlower); py = grid_view_y(gd, py); - grid_move_lines(gd, py, py + ny, (rlower + 1) - py - ny); + ny2 = rlower + 1 - py - ny; + grid_move_lines(gd, py, py + ny, ny2); + grid_clear(gd, 0, py + ny2, gd->sx, ny - ny2); } /* Insert characters. */ |