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Add debug annotations for the layout process

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If we need to check that the layout sequence is correct in
terms of order of execution and with respect to caching, then
having a CLUTTER_DEBUG_LAYOUT debug flag would make things
easier.
This commit is contained in:
Emmanuele Bassi 2009-04-15 17:25:50 +01:00
parent f8256e4b23
commit 709bb69970
3 changed files with 34 additions and 10 deletions
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38
clutter/clutter-actor.c
View File

@ -766,6 +766,7 @@ clutter_actor_real_get_preferred_width (ClutterActor *self,
* using this default is relying on someone to set the
* request manually
*/
CLUTTER_NOTE (LAYOUT, "Default preferred width: 0, 0");
if (min_width_p)
*min_width_p = 0;
@ -784,6 +785,7 @@ clutter_actor_real_get_preferred_height (ClutterActor *self,
* using this default is relying on someone to set the
* request manually
*/
CLUTTER_NOTE (LAYOUT, "Default preferred height: 0, 0");
if (min_height_p)
*min_height_p = 0;
@ -3524,6 +3526,7 @@ clutter_actor_get_preferred_size (ClutterActor *self,
if (priv->request_mode == CLUTTER_REQUEST_HEIGHT_FOR_WIDTH)
{
CLUTTER_NOTE (LAYOUT, "Preferred size (height-for-width)");
clutter_actor_get_preferred_width (self, -1,
&min_width,
&natural_width);
@ -3533,6 +3536,7 @@ clutter_actor_get_preferred_size (ClutterActor *self,
}
else
{
CLUTTER_NOTE (LAYOUT, "Preferred size (width-for-height)");
clutter_actor_get_preferred_height (self, -1,
&min_height,
&natural_height);
@ -3597,6 +3601,11 @@ clutter_actor_get_preferred_width (ClutterActor *self,
min_width = natural_width = 0;
CLUTTER_NOTE (LAYOUT,
"Width request for %" CLUTTER_UNITS_FORMAT " (%d px)",
for_height,
CLUTTER_UNITS_TO_DEVICE (for_height));
klass->get_preferred_width (self, for_height,
&min_width,
&natural_width);
@ -3668,6 +3677,11 @@ clutter_actor_get_preferred_height (ClutterActor *self,
min_height = natural_height = 0;
CLUTTER_NOTE (LAYOUT,
"Width request for %" CLUTTER_UNITS_FORMAT " (%d px)",
for_width,
CLUTTER_UNITS_TO_DEVICE (for_width));
klass->get_preferred_height (self, for_width,
&min_height,
&natural_height);
@ -3768,12 +3782,12 @@ clutter_actor_get_allocation_box (ClutterActor *self,
{
g_return_if_fail (CLUTTER_IS_ACTOR (self));
/* FIXME - if needs_allocation=TRUE, we can either 1)
* g_return_if_fail, which limits calling get_allocation to inside
* paint() basically; or we can 2) force a layout, which could be
* expensive if someone calls get_allocation somewhere silly; or we
* can 3) just return the latest value, allowing it to be
* out-of-date, and assume people know what they are doing.
/* XXX - if needs_allocation=TRUE, we can either 1) g_return_if_fail,
* which limits calling get_allocation to inside paint() basically; or
* we can 2) force a layout, which could be expensive if someone calls
* get_allocation somewhere silly; or we can 3) just return the latest
* value, allowing it to be out-of-date, and assume people know what
* they are doing.
*
* The least-surprises approach that keeps existing code working is
* likely to be 2). People can end up doing some inefficient things,
@ -3816,11 +3830,12 @@ void
clutter_actor_get_allocation_geometry (ClutterActor *self,
ClutterGeometry *geom)
{
int x2, y2;
gint x2, y2;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
clutter_actor_get_allocation_coords (self, &geom->x, &geom->y, &x2, &y2);
geom->width = x2 - geom->x;
geom->height = y2 - geom->y;
}
@ -3880,7 +3895,7 @@ clutter_actor_allocate (ClutterActor *self,
box->x2 == priv->allocation.x2 &&
box->y2 == priv->allocation.y2)
{
CLUTTER_NOTE (ACTOR, "No allocation needed");
CLUTTER_NOTE (LAYOUT, "No allocation needed");
return;
}
@ -3908,8 +3923,10 @@ clutter_actor_set_geometry (ClutterActor *self,
const ClutterGeometry *geometry)
{
g_object_freeze_notify (G_OBJECT (self));
clutter_actor_set_position (self, geometry->x, geometry->y);
clutter_actor_set_size (self, geometry->width, geometry->height);
g_object_thaw_notify (G_OBJECT (self));
}
@ -3953,8 +3970,10 @@ clutter_actor_set_position (ClutterActor *self,
g_return_if_fail (CLUTTER_IS_ACTOR (self));
g_object_freeze_notify (G_OBJECT (self));
clutter_actor_set_x (self, x);
clutter_actor_set_y (self, y);
g_object_thaw_notify (G_OBJECT (self));
}
@ -3980,8 +3999,10 @@ clutter_actor_set_positionu (ClutterActor *self,
g_return_if_fail (CLUTTER_IS_ACTOR (self));
g_object_freeze_notify (G_OBJECT (self));
clutter_actor_set_xu (self, x);
clutter_actor_set_yu (self, y);
g_object_thaw_notify (G_OBJECT (self));
}
@ -4074,6 +4095,7 @@ clutter_actor_move_byu (ClutterActor *self,
ClutterUnit dy)
{
ClutterUnit x, y;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
x = self->priv->fixed_x;

3
clutter/clutter-debug.h
View File

@ -21,7 +21,8 @@ typedef enum {
CLUTTER_DEBUG_SCRIPT = 1 << 11,
CLUTTER_DEBUG_SHADER = 1 << 12,
CLUTTER_DEBUG_MULTISTAGE = 1 << 13,
CLUTTER_DEBUG_ANIMATION = 1 << 14
CLUTTER_DEBUG_ANIMATION = 1 << 14,
CLUTTER_DEBUG_LAYOUT = 1 << 15
} ClutterDebugFlag;
#ifdef CLUTTER_ENABLE_DEBUG

3
clutter/clutter-main.c
View File

@ -92,7 +92,8 @@ static const GDebugKey clutter_debug_keys[] = {
{ "script", CLUTTER_DEBUG_SCRIPT },
{ "shader", CLUTTER_DEBUG_SHADER },
{ "multistage", CLUTTER_DEBUG_MULTISTAGE },
{ "animation", CLUTTER_DEBUG_ANIMATION }
{ "animation", CLUTTER_DEBUG_ANIMATION },
{ "layout", CLUTTER_DEBUG_LAYOUT }
};
#endif /* CLUTTER_ENABLE_DEBUG */