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styleproperty: Add _gtk_css_style_property_changes_affect_size()

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This gives fast access to the question of wether a style update requires
a resize.
This commit is contained in:
Benjamin Otte 2012-11-30 20:37:46 +01:00
parent e0586e3680
commit 8560ff88cd
2 changed files with 16 additions and 0 deletions
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13
gtk/gtkcssstyleproperty.c
View File

@ -46,6 +46,8 @@ enum {
G_DEFINE_TYPE (GtkCssStyleProperty, _gtk_css_style_property, GTK_TYPE_STYLE_PROPERTY)
static GtkBitmask *_properties_affecting_size = NULL;
static void
gtk_css_style_property_constructed (GObject *object)
{
@ -55,6 +57,9 @@ gtk_css_style_property_constructed (GObject *object)
property->id = klass->style_properties->len;
g_ptr_array_add (klass->style_properties, property);
if (property->affects_size)
_properties_affecting_size = _gtk_bitmask_set (_properties_affecting_size, property->id, TRUE);
G_OBJECT_CLASS (_gtk_css_style_property_parent_class)->constructed (object);
}
@ -292,6 +297,8 @@ _gtk_css_style_property_class_init (GtkCssStylePropertyClass *klass)
property_class->parse_value = gtk_css_style_property_parse_value;
klass->style_properties = g_ptr_array_new ();
_properties_affecting_size = _gtk_bitmask_new ();
}
static GtkCssValue *
@ -446,3 +453,9 @@ _gtk_css_style_property_get_initial_value (GtkCssStyleProperty *property)
return property->initial_value;
}
gboolean
_gtk_css_style_property_changes_affect_size (const GtkBitmask *changes)
{
return _gtk_bitmask_intersects (changes, _properties_affecting_size);
}

3
gtk/gtkcssstylepropertyprivate.h
View File

@ -81,6 +81,9 @@ void _gtk_css_style_property_print_value (GtkCssStyleProp
GtkCssValue *value,
GString *string);
gboolean _gtk_css_style_property_changes_affect_size
(const GtkBitmask *changes);
G_END_DECLS