diff options
author | Jan Djärv <[email protected]> | 2005-02-07 21:31:28 +0000 |
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committer | Jan Djärv <[email protected]> | 2005-02-07 21:31:28 +0000 |
commit | caacfeb891addc51922527d6d83f5e558659fa40 (patch) | |
tree | 6c6c56545f3d60d21beb9a69508d5cfcc536d2ff /src | |
parent | 009bb5d21902505f197bf6fc9c5bca7dab23a4ba (diff) |
(x_set_tool_bar_lines): Check that width and height is greater than
zero before clearing area.
Diffstat (limited to 'src')
-rw-r--r-- | src/xfns.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/xfns.c b/src/xfns.c index bf1b0273a0..c126d6ad36 100644 --- a/src/xfns.c +++ b/src/xfns.c @@ -1398,10 +1398,14 @@ x_set_tool_bar_lines (f, value, oldval) int width = FRAME_PIXEL_WIDTH (f); int y = nlines * FRAME_LINE_HEIGHT (f); - BLOCK_INPUT; - x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - 0, y, width, height, False); - UNBLOCK_INPUT; + /* height can be zero here. */ + if (height > 0 && width > 0) + { + BLOCK_INPUT; + x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), + 0, y, width, height, False); + UNBLOCK_INPUT; + } if (WINDOWP (f->tool_bar_window)) clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix); |