Commit caacfeb8 authored by Jan Djärv's avatar Jan Djärv
Browse files

(x_set_tool_bar_lines): Check that width and height is greater than

zero before clearing area.
parent 009bb5d2
......@@ -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);
......
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