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MetaWindowActor: Compensate for invisible borders

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=644930
This commit is contained in:
Jasper St. Pierre 2011-07-19 18:06:18 -04:00
parent e0e78993f6
commit 2f254e5aa3
1 changed files with 54 additions and 13 deletions
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67
src/compositor/meta-window-actor.c
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@ -68,8 +68,7 @@ struct _MetaWindowActorPrivate
/* If the window is shaped, a region that matches the shape */
cairo_region_t *shape_region;
/* A rectangular region with the unshaped extends of the window
* texture */
/* A rectangular region with the visible extents of the window */
cairo_region_t *bounding_region;
/* The region we should clip to when painting the shadow */
cairo_region_t *shadow_clip;
@ -79,6 +78,7 @@ struct _MetaWindowActorPrivate
gint last_width;
gint last_height;
MetaFrameBorders last_borders;
gint freeze_count;
@ -1267,7 +1267,7 @@ meta_window_actor_sync_actor_position (MetaWindowActor *self)
MetaWindowActorPrivate *priv = self->priv;
MetaRectangle window_rect;
meta_window_get_outer_rect (priv->window, &window_rect);
meta_window_get_input_rect (priv->window, &window_rect);
if (priv->last_width != window_rect.width ||
priv->last_height != window_rect.height)
@ -1547,22 +1547,60 @@ meta_window_actor_clear_shadow_clip (MetaWindowActor *self)
}
static void
meta_window_actor_update_bounding_region (MetaWindowActor *self,
int width,
int height)
meta_window_actor_update_bounding_region_and_borders (MetaWindowActor *self,
int width,
int height)
{
MetaWindowActorPrivate *priv = self->priv;
cairo_rectangle_int_t bounding_rectangle = { 0, 0, width, height };
MetaFrame *frame;
MetaFrameBorders borders;
cairo_rectangle_int_t bounding_rectangle;
bounding_rectangle.x = 0;
bounding_rectangle.y = 0;
frame = priv->window->frame;
if (frame != NULL)
{
meta_frame_calc_borders (frame, &borders);
bounding_rectangle.x = borders.invisible.left;
bounding_rectangle.y = borders.invisible.top;
width -= borders.invisible.left + borders.invisible.right;
height -= borders.invisible.top + borders.invisible.bottom;
}
bounding_rectangle.width = width;
bounding_rectangle.height = height;
if (priv->bounding_region != NULL)
{
cairo_rectangle_int_t old_bounding_rectangle;
cairo_region_get_extents (priv->bounding_region, &old_bounding_rectangle);
if (old_bounding_rectangle.width == width && old_bounding_rectangle.height == height)
return;
if (bounding_rectangle.width == old_bounding_rectangle.width &&
bounding_rectangle.height == old_bounding_rectangle.height)
{
if (priv->last_borders.invisible.left != borders.invisible.left &&
priv->last_borders.invisible.right != borders.invisible.right &&
priv->last_borders.invisible.top != borders.invisible.top &&
priv->last_borders.invisible.bottom != borders.invisible.bottom)
{
/* Because the bounding region doesn't include the invisible borders,
* we need to make sure that the border sizes haven't changed before
* short-circuiting early. If they have, update the mask texture here.
*/
meta_window_actor_update_shape (self);
}
return;
}
}
priv->last_borders = borders;
meta_window_actor_clear_bounding_region (self);
priv->bounding_region = cairo_region_create_rectangle (&bounding_rectangle);
@ -1800,7 +1838,7 @@ check_needs_pixmap (MetaWindowActor *self)
if (priv->back_pixmap == None)
{
meta_verbose ("Unable to get named pixmap for %p\n", self);
meta_window_actor_update_bounding_region (self, 0, 0);
meta_window_actor_update_bounding_region_and_borders (self, 0, 0);
return;
}
@ -1824,7 +1862,7 @@ check_needs_pixmap (MetaWindowActor *self)
"pixmap-height", &pxm_height,
NULL);
meta_window_actor_update_bounding_region (self, pxm_width, pxm_height);
meta_window_actor_update_bounding_region_and_borders (self, pxm_width, pxm_height);
}
meta_error_trap_pop (display);
@ -2003,8 +2041,11 @@ check_needs_reshape (MetaWindowActor *self)
if (priv->window->frame)
{
client_area.x = priv->window->frame->child_x;
client_area.y = priv->window->frame->child_y;
MetaFrameBorders borders;
meta_frame_calc_borders (priv->window->frame, &borders);
client_area.x = borders.total.left;
client_area.y = borders.total.top;
}
else
{