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[actor] Allow unsetting width and height separately

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It is possible to unset the size of an actor specified with set_width()
and set_height() by using:

  clutter_actor_set_size (actor, -1, -1);

Which works by unsetting the :min-*-set and the :natural-*-set properties.

Calling set_width(-1) and set_height(-1) separately, though, doesn't work
thus implicitly breaking the assumption that set_size() is nothing more
than set_width()+set_height(). This was obviously due to the face that
pre-1.0 set_width() and set_height() took an unsigned integer as an
argument.
This commit is contained in:
Emmanuele Bassi 2009-08-13 12:26:09 +01:00
parent d3e06bc1e5
commit f25cdf066c
1 changed files with 52 additions and 29 deletions
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81
clutter/clutter-actor.c
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@ -5167,6 +5167,44 @@ clutter_actor_set_request_mode (ClutterActor *self,
clutter_actor_queue_relayout (self);
}
/* variant of set_width() without checks and without notification
* freeze+thaw, for internal usage only
*/
static inline void
clutter_actor_set_width_internal (ClutterActor *self,
gfloat width)
{
if (width >= 0)
{
clutter_actor_set_min_width (self, width);
clutter_actor_set_natural_width (self, width);
}
else
{
clutter_actor_set_min_width_set (self, FALSE);
clutter_actor_set_natural_width_set (self, FALSE);
}
}
/* variant of set_height() without checks and without notification
* freeze+thaw, for internal usage only
*/
static inline void
clutter_actor_set_height_internal (ClutterActor *self,
gfloat height)
{
if (height >= 0)
{
clutter_actor_set_min_height (self, height);
clutter_actor_set_natural_height (self, height);
}
else
{
clutter_actor_set_min_height_set (self, FALSE);
clutter_actor_set_natural_height_set (self, FALSE);
}
}
/**
* clutter_actor_set_size
* @self: A #ClutterActor
@ -5193,27 +5231,8 @@ clutter_actor_set_size (ClutterActor *self,
g_object_freeze_notify (G_OBJECT (self));
if (width >= 0)
{
clutter_actor_set_min_width (self, width);
clutter_actor_set_natural_width (self, width);
}
else
{
clutter_actor_set_min_width_set (self, FALSE);
clutter_actor_set_natural_width_set (self, FALSE);
}
if (height >= 0)
{
clutter_actor_set_min_height (self, height);
clutter_actor_set_natural_height (self, height);
}
else
{
clutter_actor_set_min_height_set (self, FALSE);
clutter_actor_set_natural_height_set (self, FALSE);
}
clutter_actor_set_width_internal (self, width);
clutter_actor_set_height_internal (self, height);
g_object_thaw_notify (G_OBJECT (self));
}
@ -5513,15 +5532,18 @@ clutter_actor_get_height (ClutterActor *self)
/**
* clutter_actor_set_width
* @self: A #ClutterActor
* @width: Requested new width for the actor, in pixels
* @width: Requested new width for the actor, in pixels, or -1
*
* Forces a width on an actor, causing the actor's preferred width
* and height (if any) to be ignored.
*
* If @width is -1 the actor will use its preferred width request
* instead of overriding it, i.e. you can "unset" the width with -1.
*
* This function sets both the minimum and natural size of the actor.
*
* since: 0.2
**/
*/
void
clutter_actor_set_width (ClutterActor *self,
gfloat width)
@ -5530,8 +5552,7 @@ clutter_actor_set_width (ClutterActor *self,
g_object_freeze_notify (G_OBJECT (self));
clutter_actor_set_min_width (self, width);
clutter_actor_set_natural_width (self, width);
clutter_actor_set_width_internal (self, width);
g_object_thaw_notify (G_OBJECT (self));
}
@ -5539,15 +5560,18 @@ clutter_actor_set_width (ClutterActor *self,
/**
* clutter_actor_set_height
* @self: A #ClutterActor
* @height: Requested new height for the actor, in pixels
* @height: Requested new height for the actor, in pixels, or -1
*
* Forces a height on an actor, causing the actor's preferred width
* and height (if any) to be ignored.
*
* If @height is -1 the actor will use its preferred height instead of
* overriding it, i.e. you can "unset" the height with -1.
*
* This function sets both the minimum and natural size of the actor.
*
* since: 0.2
**/
*/
void
clutter_actor_set_height (ClutterActor *self,
gfloat height)
@ -5556,8 +5580,7 @@ clutter_actor_set_height (ClutterActor *self,
g_object_freeze_notify (G_OBJECT (self));
clutter_actor_set_min_height (self, height);
clutter_actor_set_natural_height (self, height);
clutter_actor_set_height_internal (self, height);
g_object_thaw_notify (G_OBJECT (self));
}