+ if (gtk_widget_path_length (path) == 0)
+ return FALSE;
+
+ matcher->path.klass = >K_CSS_MATCHER_WIDGET_PATH;
+ matcher->path.path = path;
+ matcher->path.state_flags = state;
+ matcher->path.index = gtk_widget_path_length (path) - 1;
+ matcher->path.sibling_index = gtk_widget_path_iter_get_sibling_index (path, matcher->path.index);
+
+ return TRUE;
+}
+
+/* GTK_CSS_MATCHER_WIDGET_ANY */
+
+static gboolean
+gtk_css_matcher_any_get_parent (GtkCssMatcher *matcher,
+ const GtkCssMatcher *child)
+{
+ _gtk_css_matcher_any_init (matcher);
+
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_any_get_previous (GtkCssMatcher *matcher,
+ const GtkCssMatcher *next)
+{
+ _gtk_css_matcher_any_init (matcher);
+
+ return TRUE;
+}
+
+static GtkStateFlags
+gtk_css_matcher_any_get_state (const GtkCssMatcher *matcher)
+{
+ /* XXX: This gets tricky when we implement :not() */
+
+ return GTK_STATE_FLAG_ACTIVE | GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_SELECTED
+ | GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_INCONSISTENT
+ | GTK_STATE_FLAG_FOCUSED | GTK_STATE_FLAG_BACKDROP;
+}
+
+static gboolean
+gtk_css_matcher_any_has_type (const GtkCssMatcher *matcher,
+ GType type)
+{
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_any_has_class (const GtkCssMatcher *matcher,
+ GQuark class_name)
+{
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_any_has_id (const GtkCssMatcher *matcher,
+ const char *id)
+{
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_any_has_regions (const GtkCssMatcher *matcher)
+{
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_any_has_region (const GtkCssMatcher *matcher,
+ const char *region,
+ GtkRegionFlags flags)
+{
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_any_has_position (const GtkCssMatcher *matcher,
+ gboolean forward,
+ int a,
+ int b)
+{
+ return TRUE;
+}
+
+static const GtkCssMatcherClass GTK_CSS_MATCHER_ANY = {
+ gtk_css_matcher_any_get_parent,
+ gtk_css_matcher_any_get_previous,
+ gtk_css_matcher_any_get_state,
+ gtk_css_matcher_any_has_type,
+ gtk_css_matcher_any_has_class,
+ gtk_css_matcher_any_has_id,
+ gtk_css_matcher_any_has_regions,
+ gtk_css_matcher_any_has_region,
+ gtk_css_matcher_any_has_position,
+ TRUE
+};
+
+void
+_gtk_css_matcher_any_init (GtkCssMatcher *matcher)
+{
+ matcher->klass = >K_CSS_MATCHER_ANY;
+}
+
+/* GTK_CSS_MATCHER_WIDGET_SUPERSET */
+
+static gboolean
+gtk_css_matcher_superset_get_parent (GtkCssMatcher *matcher,
+ const GtkCssMatcher *child)
+{
+ _gtk_css_matcher_any_init (matcher);
+
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_superset_get_previous (GtkCssMatcher *matcher,
+ const GtkCssMatcher *next)
+{
+ _gtk_css_matcher_any_init (matcher);
+
+ return TRUE;
+}
+
+static GtkStateFlags
+gtk_css_matcher_superset_get_state (const GtkCssMatcher *matcher)
+{
+ /* XXX: This gets tricky when we implement :not() */
+
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_STATE)
+ return _gtk_css_matcher_get_state (matcher->superset.subset);
+ else
+ return GTK_STATE_FLAG_ACTIVE | GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_SELECTED
+ | GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_INCONSISTENT
+ | GTK_STATE_FLAG_FOCUSED | GTK_STATE_FLAG_BACKDROP;
+}
+
+static gboolean
+gtk_css_matcher_superset_has_type (const GtkCssMatcher *matcher,
+ GType type)
+{
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
+ return _gtk_css_matcher_has_type (matcher->superset.subset, type);
+ else
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_superset_has_class (const GtkCssMatcher *matcher,
+ GQuark class_name)
+{
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_CLASS)
+ return _gtk_css_matcher_has_class (matcher->superset.subset, class_name);
+ else
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_superset_has_id (const GtkCssMatcher *matcher,
+ const char *id)
+{
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
+ return _gtk_css_matcher_has_id (matcher->superset.subset, id);
+ else
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_superset_has_regions (const GtkCssMatcher *matcher)
+{
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
+ return _gtk_css_matcher_has_regions (matcher->superset.subset);
+ else
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_superset_has_region (const GtkCssMatcher *matcher,
+ const char *region,
+ GtkRegionFlags flags)
+{
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_NAME)
+ {
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_POSITION)
+ return _gtk_css_matcher_has_region (matcher->superset.subset, region, flags);
+ else
+ return _gtk_css_matcher_has_region (matcher->superset.subset, region, 0);
+ }
+ else
+ return TRUE;
+}
+
+static gboolean
+gtk_css_matcher_superset_has_position (const GtkCssMatcher *matcher,
+ gboolean forward,
+ int a,
+ int b)
+{
+ if (matcher->superset.relevant & GTK_CSS_CHANGE_POSITION)
+ return _gtk_css_matcher_has_position (matcher->superset.subset, forward, a, b);
+ else
+ return TRUE;
+}
+
+static const GtkCssMatcherClass GTK_CSS_MATCHER_SUPERSET = {
+ gtk_css_matcher_superset_get_parent,
+ gtk_css_matcher_superset_get_previous,
+ gtk_css_matcher_superset_get_state,
+ gtk_css_matcher_superset_has_type,
+ gtk_css_matcher_superset_has_class,
+ gtk_css_matcher_superset_has_id,
+ gtk_css_matcher_superset_has_regions,
+ gtk_css_matcher_superset_has_region,
+ gtk_css_matcher_superset_has_position,
+ FALSE
+};
+
+void
+_gtk_css_matcher_superset_init (GtkCssMatcher *matcher,
+ const GtkCssMatcher *subset,
+ GtkCssChange relevant)
+{
+ g_return_if_fail (subset != NULL);
+ g_return_if_fail ((relevant & ~(GTK_CSS_CHANGE_CLASS | GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_STATE)) == 0);
+
+ matcher->superset.klass = >K_CSS_MATCHER_SUPERSET;
+ matcher->superset.subset = subset;
+ matcher->superset.relevant = relevant;