[libgd] main-view: Use G_DECLARE_DERIVABLE_TYPE

[Debarshi Ray <debarshir src gnome org>]

commit da93327e76ab36bc131630067340baac70667f7d
Author: Debarshi Ray <debarshir gnome org>
Date:   Sat Nov 19 11:57:26 2016 +0100

    main-view: Use G_DECLARE_DERIVABLE_TYPE
    
    This bumps our GLib requirement to 2.44.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=774709

 libgd/gd-main-view.h |   29 +----------------------------
 1 files changed, 1 insertions(+), 28 deletions(-)
---
diff --git a/libgd/gd-main-view.h b/libgd/gd-main-view.h
index 1fcf6ac..1e015e1 100644
--- a/libgd/gd-main-view.h
+++ b/libgd/gd-main-view.h
@@ -29,29 +29,8 @@
 G_BEGIN_DECLS
 
 #define GD_TYPE_MAIN_VIEW gd_main_view_get_type()
+G_DECLARE_DERIVABLE_TYPE (GdMainView, gd_main_view, GD, MAIN_VIEW, GtkScrolledWindow)
 
-#define GD_MAIN_VIEW(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-   GD_TYPE_MAIN_VIEW, GdMainView))
-
-#define GD_MAIN_VIEW_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST ((klass), \
-   GD_TYPE_MAIN_VIEW, GdMainViewIface))
-
-#define GD_IS_MAIN_VIEW(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-   GD_TYPE_MAIN_VIEW))
-
-#define GD_IS_MAIN_VIEW_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
-   GD_TYPE_MAIN_VIEW))
-
-#define GD_MAIN_VIEW_GET_IFACE(obj) \
-  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), \
-   GD_TYPE_MAIN_VIEW, GdMainViewIface))
-
-typedef struct _GdMainView GdMainView;
-typedef struct _GdMainViewClass GdMainViewClass;
 typedef struct _GdMainViewPrivate GdMainViewPrivate;
 
 typedef enum {
@@ -59,16 +38,10 @@ typedef enum {
   GD_MAIN_VIEW_LIST
 } GdMainViewType;
 
-struct _GdMainView {
-  GtkScrolledWindow parent;
-};
-
 struct _GdMainViewClass {
   GtkScrolledWindowClass parent_class;
 };
 
-GType gd_main_view_get_type (void) G_GNUC_CONST;
-
 GdMainView * gd_main_view_new (GdMainViewType type);
 void         gd_main_view_set_view_type (GdMainView *self,
                                          GdMainViewType type);