* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "gtkcssstylepropertyprivate.h"
+#include "gtkcssenumvalueprivate.h"
+#include "gtkcssinheritvalueprivate.h"
+#include "gtkcssinitialvalueprivate.h"
+#include "gtkcssstylefuncsprivate.h"
+#include "gtkcsstypesprivate.h"
+#include "gtkintl.h"
+#include "gtkprivatetypebuiltins.h"
+#include "gtkstylepropertiesprivate.h"
+
+/* this is in case round() is not provided by the compiler,
+ * such as in the case of C89 compilers, like MSVC
+ */
+#include "fallback-c89.c"
+
+enum {
+ PROP_0,
+ PROP_ANIMATED,
+ PROP_AFFECTS_SIZE,
+ PROP_AFFECTS_FONT,
+ PROP_ID,
+ PROP_INHERIT,
+ PROP_INITIAL
+};
+
G_DEFINE_TYPE (GtkCssStyleProperty, _gtk_css_style_property, GTK_TYPE_STYLE_PROPERTY)
+static GtkBitmask *_properties_affecting_size = NULL;
+static GtkBitmask *_properties_affecting_font = NULL;
+
+static GtkCssStylePropertyClass *gtk_css_style_property_class = NULL;
+
+static void
+gtk_css_style_property_constructed (GObject *object)
+{
+ GtkCssStyleProperty *property = GTK_CSS_STYLE_PROPERTY (object);
+ GtkCssStylePropertyClass *klass = GTK_CSS_STYLE_PROPERTY_GET_CLASS (property);
+
+ 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);
+
+ if (property->affects_font)
+ _properties_affecting_font = _gtk_bitmask_set (_properties_affecting_font, property->id, TRUE);
+
+ G_OBJECT_CLASS (_gtk_css_style_property_parent_class)->constructed (object);
+}
+
+static void
+gtk_css_style_property_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkCssStyleProperty *property = GTK_CSS_STYLE_PROPERTY (object);
+
+ switch (prop_id)
+ {
+ 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_AFFECTS_FONT:
+ property->affects_font = g_value_get_boolean (value);
+ break;
+ case PROP_INHERIT:
+ property->inherit = g_value_get_boolean (value);
+ break;
+ case PROP_INITIAL:
+ property->initial_value = g_value_dup_boxed (value);
+ g_assert (property->initial_value != NULL);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_css_style_property_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkCssStyleProperty *property = GTK_CSS_STYLE_PROPERTY (object);
+
+ switch (prop_id)
+ {
+ 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_AFFECTS_FONT:
+ g_value_set_boolean (value, property->affects_font);
+ break;
+ case PROP_ID:
+ g_value_set_boolean (value, property->id);
+ break;
+ case PROP_INHERIT:
+ g_value_set_boolean (value, property->inherit);
+ break;
+ case PROP_INITIAL:
+ g_value_set_boxed (value, property->initial_value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+_gtk_css_style_property_assign (GtkStyleProperty *property,
+ GtkStyleProperties *props,
+ GtkStateFlags state,
+ const GValue *value)
+{
+ GtkCssStyleProperty *style;
+ GtkCssValue *css_value;
+
+ style = GTK_CSS_STYLE_PROPERTY (property);
+ css_value = style->assign_value (style, value);
+
+ _gtk_style_properties_set_property_by_property (props,
+ style,
+ state,
+ css_value);
+ _gtk_css_value_unref (css_value);
+}
+
+static gboolean
+_gtk_css_style_property_query_special_case (GtkCssStyleProperty *property,
+ GValue *value,
+ GtkStyleQueryFunc query_func,
+ gpointer query_data)
+{
+ GtkBorderStyle border_style;
+
+ switch (property->id)
+ {
+ case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
+ border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_TOP_STYLE, query_data));
+ if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
+ {
+ g_value_init (value, G_TYPE_INT);
+ return TRUE;
+ }
+ break;
+ case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
+ border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE, query_data));
+ if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
+ {
+ g_value_init (value, G_TYPE_INT);
+ return TRUE;
+ }
+ break;
+ case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
+ border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE, query_data));
+ if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
+ {
+ g_value_init (value, G_TYPE_INT);
+ return TRUE;
+ }
+ break;
+ case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
+ border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_LEFT_STYLE, query_data));
+ if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
+ {
+ g_value_init (value, G_TYPE_INT);
+ return TRUE;
+ }
+ break;
+ case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
+ border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_OUTLINE_STYLE, query_data));
+ if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
+ {
+ g_value_init (value, G_TYPE_INT);
+ return TRUE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return FALSE;
+}
+
+static void
+_gtk_css_style_property_query (GtkStyleProperty *property,
+ GValue *value,
+ GtkStyleQueryFunc query_func,
+ gpointer query_data)
+{
+ GtkCssStyleProperty *style_property = GTK_CSS_STYLE_PROPERTY (property);
+ GtkCssValue *css_value;
+
+ /* I don't like this special case being here in this generic code path, but no idea where else to put it. */
+ if (_gtk_css_style_property_query_special_case (style_property, value, query_func, query_data))
+ return;
+
+ css_value = (* query_func) (GTK_CSS_STYLE_PROPERTY (property)->id, query_data);
+ if (css_value == NULL)
+ css_value =_gtk_css_style_property_get_initial_value (style_property);
+
+ style_property->query_value (style_property, css_value, value);
+}
+
+static GtkCssValue *
+gtk_css_style_property_parse_value (GtkStyleProperty *property,
+ GtkCssParser *parser)
+{
+ GtkCssStyleProperty *style_property = GTK_CSS_STYLE_PROPERTY (property);
+
+ if (_gtk_css_parser_try (parser, "initial", TRUE))
+ {
+ /* the initial value can be explicitly specified with the
+ * ‘initial’ keyword which all properties accept.
+ */
+ return _gtk_css_initial_value_new ();
+ }
+ else if (_gtk_css_parser_try (parser, "inherit", TRUE))
+ {
+ /* All properties accept the ‘inherit’ value which
+ * explicitly specifies that the value will be determined
+ * by inheritance. The ‘inherit’ value can be used to
+ * strengthen inherited values in the cascade, and it can
+ * also be used on properties that are not normally inherited.
+ */
+ return _gtk_css_inherit_value_new ();
+ }
+
+ return (* style_property->parse_value) (style_property, parser);
+}
+
static void
_gtk_css_style_property_class_init (GtkCssStylePropertyClass *klass)
{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkStylePropertyClass *property_class = GTK_STYLE_PROPERTY_CLASS (klass);
+
+ object_class->constructed = gtk_css_style_property_constructed;
+ object_class->set_property = gtk_css_style_property_set_property;
+ object_class->get_property = gtk_css_style_property_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_ANIMATED,
+ g_param_spec_boolean ("animated",
+ P_("Animated"),
+ 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_AFFECTS_FONT,
+ g_param_spec_boolean ("affects-font",
+ P_("Affects font"),
+ P_("Set if the value affects the font"),
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+ PROP_ID,
+ g_param_spec_uint ("id",
+ P_("ID"),
+ P_("The numeric id for quick access"),
+ 0, G_MAXUINT, 0,
+ G_PARAM_READABLE));
+ g_object_class_install_property (object_class,
+ PROP_INHERIT,
+ g_param_spec_boolean ("inherit",
+ P_("Inherit"),
+ P_("Set if the value is inherited by default"),
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+ PROP_INITIAL,
+ g_param_spec_boxed ("initial-value",
+ P_("Initial value"),
+ P_("The initial specified value used for this property"),
+ GTK_TYPE_CSS_VALUE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+ property_class->assign = _gtk_css_style_property_assign;
+ property_class->query = _gtk_css_style_property_query;
+ property_class->parse_value = gtk_css_style_property_parse_value;
+
+ klass->style_properties = g_ptr_array_new ();
+
+ _properties_affecting_size = _gtk_bitmask_new ();
+ _properties_affecting_font = _gtk_bitmask_new ();
+
+ gtk_css_style_property_class = klass;
+}
+
+static GtkCssValue *
+gtk_css_style_property_real_parse_value (GtkCssStyleProperty *property,
+ GtkCssParser *parser)
+{
+ g_assert_not_reached ();
+ return NULL;
}
static void
-_gtk_css_style_property_init (GtkCssStyleProperty *style_property)
+_gtk_css_style_property_init (GtkCssStyleProperty *property)
{
+ property->parse_value = gtk_css_style_property_real_parse_value;
}
+/**
+ * _gtk_css_style_property_get_n_properties:
+ *
+ * Gets the number of style properties. This number can increase when new
+ * theme engines are loaded. Shorthand properties are not included here.
+ *
+ * Returns: The number of style properties.
+ **/
+guint
+_gtk_css_style_property_get_n_properties (void)
+{
+ if (G_UNLIKELY (gtk_css_style_property_class == NULL))
+ {
+ _gtk_style_property_init_properties ();
+ g_assert (gtk_css_style_property_class);
+ }
+
+ return gtk_css_style_property_class->style_properties->len;
+}
+
+/**
+ * _gtk_css_style_property_lookup_by_id:
+ * @id: the id of the property
+ *
+ * Gets the style property with the given id. All style properties (but not
+ * shorthand properties) are indexable by id so that it's easy to use arrays
+ * when doing style lookups.
+ *
+ * Returns: (transfer none): The style property with the given id
+ **/
+GtkCssStyleProperty *
+_gtk_css_style_property_lookup_by_id (guint id)
+{
+
+ if (G_UNLIKELY (gtk_css_style_property_class == NULL))
+ {
+ _gtk_style_property_init_properties ();
+ g_assert (gtk_css_style_property_class);
+ }
+
+ g_return_val_if_fail (id < gtk_css_style_property_class->style_properties->len, NULL);
+
+ return g_ptr_array_index (gtk_css_style_property_class->style_properties, id);
+}
+
+/**
+ * _gtk_css_style_property_is_inherit:
+ * @property: the property
+ *
+ * Queries if the given @property is inherited. See
+ * <ulink url="http://www.w3.org/TR/css3-cascade/#inheritance>
+ * the CSS documentation</ulink> for an explanation of this concept.
+ *
+ * Returns: %TRUE if the property is inherited by default.
+ **/
+gboolean
+_gtk_css_style_property_is_inherit (GtkCssStyleProperty *property)
+{
+ g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), FALSE);
+
+ return property->inherit;
+}
+
+/**
+ * _gtk_css_style_property_is_animated:
+ * @property: the property
+ *
+ * Queries if the given @property can be is animated. See
+ * <ulink url="http://www.w3.org/TR/css3-transitions/#animatable-css>
+ * the CSS documentation</ulink> for animatable properties.
+ *
+ * Returns: %TRUE if the property can be animated.
+ **/
+gboolean
+_gtk_css_style_property_is_animated (GtkCssStyleProperty *property)
+{
+ g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), FALSE);
+
+ 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_affects_font:
+ * @property: the property
+ *
+ * Queries if the given @property affects the default font. This is
+ * used for optimizations inside GTK, where clearing pango
+ * layouts can be avoided if the font doesn't change.
+ *
+ * Returns: %TRUE if the property affects the font.
+ **/
+gboolean
+_gtk_css_style_property_affects_font (GtkCssStyleProperty *property)
+{
+ g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), FALSE);
+
+ return property->affects_font;
+}
+
+/**
+ * _gtk_css_style_property_get_id:
+ * @property: the property
+ *
+ * Gets the id for the given property. IDs are used to allow using arrays
+ * for style lookups.
+ *
+ * Returns: The id of the property
+ **/
+guint
+_gtk_css_style_property_get_id (GtkCssStyleProperty *property)
+{
+ g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), 0);
+
+ return property->id;
+}
+
+/**
+ * _gtk_css_style_property_get_initial_value:
+ * @property: the property
+ *
+ * Queries the initial value of the given @property. See
+ * <ulink url="http://www.w3.org/TR/css3-cascade/#intial>
+ * the CSS documentation</ulink> for an explanation of this concept.
+ *
+ * Returns: a reference to the initial value. The value will never change.
+ **/
+GtkCssValue *
+_gtk_css_style_property_get_initial_value (GtkCssStyleProperty *property)
+{
+ g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), NULL);
+
+ return property->initial_value;
+}
+
+gboolean
+_gtk_css_style_property_changes_affect_size (const GtkBitmask *changes)
+{
+ return _gtk_bitmask_intersects (changes, _properties_affecting_size);
+}
+
+gboolean
+_gtk_css_style_property_changes_affect_font (const GtkBitmask *changes)
+{
+ return _gtk_bitmask_intersects (changes, _properties_affecting_font);
+}