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server: Invalidate the newly exposed child region on the parent too if it doesn't clip children.

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This commit is contained in:
Alexandre Julliard 2008-03-03 17:52:18 +01:00
parent 9ac7f20514
commit e42eaaaf3a
1 changed files with 20 additions and 13 deletions
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33
server/window.c
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@ -1363,8 +1363,8 @@ static unsigned int get_window_update_flags( struct window *win, struct window *
static struct region *expose_window( struct window *win, const rectangle_t *old_window_rect,
struct region *old_vis_rgn )
{
struct window *parent = win;
struct region *new_vis_rgn, *exposed_rgn;
int offset_x, offset_y;
if (!(new_vis_rgn = get_visible_region( win, DCX_WINDOW ))) return NULL;
@ -1383,23 +1383,30 @@ static struct region *expose_window( struct window *win, const rectangle_t *old_
}
}
/* make it relative to the old window pos for subtracting */
offset_region( new_vis_rgn, win->window_rect.left - old_window_rect->left,
win->window_rect.top - old_window_rect->top );
if (subtract_region( new_vis_rgn, old_vis_rgn, new_vis_rgn ) && !is_region_empty( new_vis_rgn ))
offset_x = old_window_rect->left - win->client_rect.left;
offset_y = old_window_rect->top - win->client_rect.top;
if (win->parent)
{
/* make it relative to new client rect again */
int offset_x = old_window_rect->left - win->client_rect.left;
int offset_y = old_window_rect->top - win->client_rect.top;
if (win->parent && !is_desktop_window(win->parent))
if (!is_desktop_window(win->parent))
{
offset_x += win->client_rect.left;
offset_y += win->client_rect.top;
parent = win->parent;
}
offset_region( new_vis_rgn, offset_x, offset_y );
redraw_window( parent, new_vis_rgn, 0, RDW_INVALIDATE | RDW_ERASE | RDW_ALLCHILDREN );
/* make it relative to the old window pos for subtracting */
offset_region( new_vis_rgn, win->window_rect.left - old_window_rect->left,
win->window_rect.top - old_window_rect->top );
if ((win->parent->style & WS_CLIPCHILDREN) ?
subtract_region( new_vis_rgn, old_vis_rgn, new_vis_rgn ) :
xor_region( new_vis_rgn, old_vis_rgn, new_vis_rgn ))
{
if (!is_region_empty( new_vis_rgn ))
{
offset_region( new_vis_rgn, offset_x, offset_y );
redraw_window( win->parent, new_vis_rgn, 0, RDW_INVALIDATE | RDW_ERASE | RDW_ALLCHILDREN );
}
}
}
free_region( new_vis_rgn );
return exposed_rgn;