matcher: Turn GtkCssMatcher into a union

That way, we can add more matchers as we need them.

1 files changed, 8 insertions, 2 deletions

diff --git a/gtk/gtkcssmatcherprivate.h b/gtk/gtkcssmatcherprivate.h
index 83eff0e5b3..50412f4faa 100644
--- a/gtk/gtkcssmatcherprivate.h
+++ b/gtk/gtkcssmatcherprivate.h
@@ -23,7 +23,8 @@
 
 G_BEGIN_DECLS
 
-typedef struct _GtkCssMatcher GtkCssMatcher;
+typedef union _GtkCssMatcher GtkCssMatcher;
+typedef struct _GtkCssMatcherWidgetPath GtkCssMatcherWidgetPath;
 typedef struct _GtkCssMatcherClass GtkCssMatcherClass;
 
 struct _GtkCssMatcherClass {
@@ -47,7 +48,7 @@ struct _GtkCssMatcherClass {
   guint           (* get_n_siblings)              (const GtkCssMatcher   *matcher);
 };
 
-struct _GtkCssMatcher {
+struct _GtkCssMatcherWidgetPath {
   const GtkCssMatcherClass *klass;
   const GtkWidgetPath      *path;
   GtkStateFlags             state_flags;
@@ -55,6 +56,11 @@ struct _GtkCssMatcher {
   guint                     sibling_index;
 };
 
+union _GtkCssMatcher {
+  const GtkCssMatcherClass *klass;
+  GtkCssMatcherWidgetPath   path;
+};
+
 void              _gtk_css_matcher_init           (GtkCssMatcher          *matcher,
                                                    const GtkWidgetPath    *path,
                                                    GtkStateFlags           state);