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Fix border repainting.

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* grub-core/term/gfxterm.c (dirty_region_add): When a repaint is
already scheduled, merge the virtual screen with the requested
region rather than repainting only the virtual screen.
This commit is contained in:
Colin Watson 2010-12-13 13:58:53 +00:00
parent 9c55cbe8e7
commit 198cae0c96
2 changed files with 20 additions and 4 deletions
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6
ChangeLog.parse-color
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@ -39,3 +39,9 @@
function.
(GRUB_MOD_INIT): Register background_color command.
(GRUB_MOD_FINI): Unregister background_color command.
Fix border repainting.
* grub-core/term/gfxterm.c (dirty_region_add): When a repaint is
already scheduled, merge the virtual screen with the requested
region rather than repainting only the virtual screen.

18
grub-core/term/gfxterm.c
View file

@ -539,10 +539,20 @@ dirty_region_add (int x, int y, unsigned int width, unsigned int height)
if (repaint_scheduled)
{
x = virtual_screen.offset_x;
y = virtual_screen.offset_y;
width = virtual_screen.width;
height = virtual_screen.height;
if (x > (int)virtual_screen.offset_x)
{
width += virtual_screen.offset_x - x;
x = virtual_screen.offset_x;
}
if (y > (int)virtual_screen.offset_y)
{
height += virtual_screen.offset_y - y;
y = virtual_screen.offset_y;
}
if (width < virtual_screen.width)
width = virtual_screen.width;
if (height < virtual_screen.height)
height = virtual_screen.height;
repaint_scheduled = 0;
repaint_was_scheduled = 1;
}