Clean up clutter-private.h/4

Move the private Backend API to a separate header.

This also allows us to finally move the class vtable and instance
structure to a separate file and plug the visibility hole that left
the Backend class bare for everyone to poke into.

1 files changed, 99 insertions, 0 deletions

diff --git a/clutter/clutter-backend-private.h b/clutter/clutter-backend-private.h
new file mode 100644
index 000000000..1167ff148
--- /dev/null
+++ b/clutter/clutter-backend-private.h
@@ -0,0 +1,99 @@
+#ifndef __CLUTTER_BACKEND_PRIVATE_H__
+#define __CLUTTER_BACKEND_PRIVATE_H__
+
+#include <clutter/clutter-backend.h>
+
+#define CLUTTER_BACKEND_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
+#define CLUTTER_IS_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND))
+#define CLUTTER_BACKEND_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
+
+G_BEGIN_DECLS
+
+typedef struct _ClutterBackendPrivate   ClutterBackendPrivate;
+typedef struct _ClutterBackendClass     ClutterBackendClass;
+
+struct _ClutterBackend
+{
+  /*< private >*/
+  GObject                parent_instance;
+  ClutterBackendPrivate *priv;
+};
+
+struct _ClutterBackendClass
+{
+  /*< private >*/
+  GObjectClass parent_class;
+
+  /* vfuncs */
+  gboolean              (* pre_parse)          (ClutterBackend  *backend,
+                                                GError         **error);
+  gboolean              (* post_parse)         (ClutterBackend  *backend,
+                                                GError         **error);
+  ClutterStageWindow *  (* create_stage)       (ClutterBackend  *backend,
+                                                ClutterStage    *wrapper,
+                                                GError         **error);
+  void                  (* init_events)        (ClutterBackend  *backend);
+  void                  (* init_features)      (ClutterBackend  *backend);
+  void                  (* add_options)        (ClutterBackend  *backend,
+                                                GOptionGroup    *group);
+  ClutterFeatureFlags   (* get_features)       (ClutterBackend  *backend);
+  void                  (* redraw)             (ClutterBackend  *backend,
+                                                ClutterStage    *stage);
+  gboolean              (* create_context)     (ClutterBackend  *backend,
+                                                GError         **error);
+  void                  (* ensure_context)     (ClutterBackend  *backend,
+                                                ClutterStage    *stage);
+  ClutterDeviceManager *(* get_device_manager) (ClutterBackend  *backend);
+
+  void                  (* copy_event_data)    (ClutterBackend     *backend,
+                                                const ClutterEvent *src,
+                                                ClutterEvent       *dest);
+  void                  (* free_event_data)    (ClutterBackend     *backend,
+                                                ClutterEvent       *event);
+
+  /* signals */
+  void (* resolution_changed) (ClutterBackend *backend);
+  void (* font_changed)       (ClutterBackend *backend);
+  void (* settings_changed)   (ClutterBackend *backend);
+};
+
+/* vfuncs implemented by backend */
+GType         _clutter_backend_impl_get_type  (void);
+
+void          _clutter_backend_redraw         (ClutterBackend  *backend,
+                                               ClutterStage    *stage);
+ClutterStageWindow *_clutter_backend_create_stage   (ClutterBackend  *backend,
+                                               ClutterStage    *wrapper,
+                                               GError         **error);
+void          _clutter_backend_ensure_context (ClutterBackend  *backend,
+                                               ClutterStage    *stage);
+void          _clutter_backend_ensure_context_internal
+                                              (ClutterBackend  *backend,
+                                               ClutterStage    *stage);
+gboolean      _clutter_backend_create_context (ClutterBackend  *backend,
+                                               GError         **error);
+
+void          _clutter_backend_add_options    (ClutterBackend  *backend,
+                                               GOptionGroup    *group);
+gboolean      _clutter_backend_pre_parse      (ClutterBackend  *backend,
+                                               GError         **error);
+gboolean      _clutter_backend_post_parse     (ClutterBackend  *backend,
+                                               GError         **error);
+void          _clutter_backend_init_events    (ClutterBackend  *backend);
+
+void          _clutter_backend_copy_event_data (ClutterBackend     *backend,
+                                                const ClutterEvent *src,
+                                                ClutterEvent       *dest);
+void          _clutter_backend_free_event_data (ClutterBackend     *backend,
+                                                ClutterEvent       *event);
+
+ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend);
+
+gfloat        _clutter_backend_get_units_per_em   (ClutterBackend       *backend,
+                                                   PangoFontDescription *font_desc);
+
+gint32 _clutter_backend_get_units_serial (ClutterBackend *backend);
+
+G_END_DECLS
+
+#endif /* __CLUTTER_BACKEND_PRIVATE_H__ */