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libeek: add parent property to EekElement

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This commit is contained in:
Daiki Ueno
2010-06-17 10:15:17 +09:00
parent 353c99e700
commit b92520c488
3 changed files with 75 additions and 8 deletions
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60
eek/eek-element.c
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@ -33,6 +33,7 @@
#endif /* HAVE_CONFIG_H */
#include "eek-element.h"
#include "eek-container.h"
enum {
PROP_0,
@ -51,8 +52,35 @@ struct _EekElementPrivate
{
gchar *name;
EekBounds bounds;
EekContainer *parent;
};
static void
eek_element_real_set_parent (EekElement *self,
EekContainer *parent)
{
EekElementPrivate *priv = EEK_ELEMENT_GET_PRIVATE(self);
if (!parent) {
g_return_if_fail (priv->parent);
/* release self-reference acquired when setting parent */
g_object_unref (self);
priv->parent = NULL;
} else {
g_return_if_fail (!priv->parent);
g_object_ref_sink (self);
priv->parent = parent;
}
}
static EekContainer *
eek_element_real_get_parent (EekElement *self)
{
EekElementPrivate *priv = EEK_ELEMENT_GET_PRIVATE(self);
return priv->parent;
}
static void
eek_element_real_set_name (EekElement *self,
const gchar *name)
@ -156,6 +184,8 @@ eek_element_class_init (EekElementClass *klass)
g_type_class_add_private (gobject_class,
sizeof (EekElementPrivate));
klass->set_parent = eek_element_real_set_parent;
klass->get_parent = eek_element_real_get_parent;
klass->set_name = eek_element_real_set_name;
klass->get_name = eek_element_real_get_name;
klass->set_bounds = eek_element_real_set_bounds;
@ -204,6 +234,36 @@ eek_element_init (EekElement *self)
memset (&priv->bounds, 0, sizeof priv->bounds);
}
/**
* eek_element_set_parent:
* @element: an #EekElement
* @parent: an #EekContainer
*
* Set the parent of @element to @parent.
*/
void
eek_element_set_parent (EekElement *element,
EekContainer *parent)
{
g_return_if_fail (EEK_IS_ELEMENT(element));
g_return_if_fail (EEK_IS_CONTAINER(parent));
EEK_ELEMENT_GET_CLASS(element)->set_parent (element, parent);
}
/**
* eek_element_get_parent:
* @element: an #EekElement
*
* Get the parent of @element.
* Returns: an #EekContainer if the parent is set
*/
EekContainer *
eek_element_get_parent (EekElement *element)
{
g_return_val_if_fail (EEK_IS_ELEMENT(element), NULL);
return EEK_ELEMENT_GET_CLASS(element)->get_parent (element);
}
/**
* eek_element_set_name:
* @element: an #EekElement