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styleproperty: Add an affects-size property

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This property will be used to avoid gtk_widget_queue_resize() calls in
favor of gtk_widget_queue_draw().
This commit is contained in:
Benjamin Otte
2012-11-30 18:57:56 +01:00
parent 4ccb8e5d33
commit a5770cef36
2 changed files with 33 additions and 0 deletions
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31
gtk/gtkcssstyleproperty.c
View File

@ -38,6 +38,7 @@
enum {
PROP_0,
PROP_ANIMATED,
PROP_AFFECTS_SIZE,
PROP_ID,
PROP_INHERIT,
PROP_INITIAL
@ -70,6 +71,9 @@ gtk_css_style_property_set_property (GObject *object,
case PROP_ANIMATED:
property->animated = g_value_get_boolean (value);
break;
case PROP_AFFECTS_SIZE:
property->affects_size = g_value_get_boolean (value);
break;
case PROP_INHERIT:
property->inherit = g_value_get_boolean (value);
break;
@ -96,6 +100,9 @@ gtk_css_style_property_get_property (GObject *object,
case PROP_ANIMATED:
g_value_set_boolean (value, property->animated);
break;
case PROP_AFFECTS_SIZE:
g_value_set_boolean (value, property->affects_size);
break;
case PROP_ID:
g_value_set_boolean (value, property->id);
break;
@ -251,6 +258,13 @@ _gtk_css_style_property_class_init (GtkCssStylePropertyClass *klass)
P_("Set if the value can be animated"),
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_AFFECTS_SIZE,
g_param_spec_boolean ("affects-size",
P_("Affects size"),
P_("Set if the value affects the sizing of elements"),
TRUE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_ID,
g_param_spec_uint ("id",
@ -381,6 +395,23 @@ _gtk_css_style_property_is_animated (GtkCssStyleProperty *property)
return property->animated;
}
/**
* _gtk_css_style_property_affects_size:
* @property: the property
*
* Queries if the given @property affects the size of elements. This is
* used for optimizations inside GTK, where a gtk_widget_queue_resize()
* can be avoided if the property does not affect size.
*
* Returns: %TRUE if the property affects sizing of elements.
**/
gboolean
_gtk_css_style_property_affects_size (GtkCssStyleProperty *property)
{
g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), FALSE);
return property->affects_size;
}
/**
* _gtk_css_style_property_get_id:
* @property: the property

2
gtk/gtkcssstylepropertyprivate.h
View File

@ -49,6 +49,7 @@ struct _GtkCssStyleProperty
guint id;
guint inherit :1;
guint animated :1;
guint affects_size :1;
GtkCssStylePropertyParseFunc parse_value;
GtkCssStylePropertyQueryFunc query_value;
@ -71,6 +72,7 @@ GtkCssStyleProperty * _gtk_css_style_property_lookup_by_id (guint
gboolean _gtk_css_style_property_is_inherit (GtkCssStyleProperty *property);
gboolean _gtk_css_style_property_is_animated (GtkCssStyleProperty *property);
gboolean _gtk_css_style_property_affects_size (GtkCssStyleProperty *property);
guint _gtk_css_style_property_get_id (GtkCssStyleProperty *property);
GtkCssValue * _gtk_css_style_property_get_initial_value
(GtkCssStyleProperty *property);