[gtk/wip/ebassi/a11y-2: 1044/1060] Use modern GObject macros for GtkAccessible

[Emmanuele Bassi <ebassi src gnome org>]

commit 58501ac905448a4e59ccc59419aacd9836072533
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Apr 20 16:47:50 2020 +0100

    Use modern GObject macros for GtkAccessible

 gtk/gtk-autocleanups.h |  1 -
 gtk/gtkaccessible.c    | 28 ++++++++++++++--------------
 gtk/gtkaccessible.h    | 35 ++++++++++-------------------------
 3 files changed, 24 insertions(+), 40 deletions(-)
---
diff --git a/gtk/gtk-autocleanups.h b/gtk/gtk-autocleanups.h
index 59474fc967..3c50d593ae 100644
--- a/gtk/gtk-autocleanups.h
+++ b/gtk/gtk-autocleanups.h
@@ -21,7 +21,6 @@
 
 #ifndef __GI_SCANNER__
 
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkAccessible, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkActionBar, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkActionable, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkAdjustment, g_object_unref)
diff --git a/gtk/gtkaccessible.c b/gtk/gtkaccessible.c
index e5693c0599..d47ca9f970 100644
--- a/gtk/gtkaccessible.c
+++ b/gtk/gtkaccessible.c
@@ -1,5 +1,6 @@
 /* GTK - The GIMP Toolkit
  * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2020 GNOME Foundation
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -40,12 +41,13 @@
  * in #GtkWidgetClass.
  */
 
-struct _GtkAccessiblePrivate
+typedef struct
 {
   GtkWidget *widget;
-};
+} GtkAccessiblePrivate;
 
-enum {
+enum
+{
   PROP_0,
   PROP_WIDGET
 };
@@ -78,7 +80,7 @@ gtk_accessible_get_property (GObject    *object,
                              GParamSpec *pspec)
 {
   GtkAccessible *accessible = GTK_ACCESSIBLE (object);
-  GtkAccessiblePrivate *priv = accessible->priv;
+  GtkAccessiblePrivate *priv = gtk_accessible_get_instance_private (accessible);
 
   switch (prop_id)
     {
@@ -94,18 +96,18 @@ gtk_accessible_get_property (GObject    *object,
 static void
 gtk_accessible_init (GtkAccessible *accessible)
 {
-  accessible->priv = gtk_accessible_get_instance_private (accessible);
 }
 
 static AtkStateSet *
 gtk_accessible_ref_state_set (AtkObject *object)
 {
   GtkAccessible *accessible = GTK_ACCESSIBLE (object);
+  GtkAccessiblePrivate *priv = gtk_accessible_get_instance_private (accessible);
   AtkStateSet *state_set;
 
   state_set = ATK_OBJECT_CLASS (gtk_accessible_parent_class)->ref_state_set (object);
 
-  if (accessible->priv->widget == NULL)
+  if (priv->widget == NULL)
     atk_state_set_add_state (state_set, ATK_STATE_DEFUNCT);
 
   return state_set;
@@ -172,23 +174,20 @@ void
 gtk_accessible_set_widget (GtkAccessible *accessible,
                            GtkWidget     *widget)
 {
-  GtkAccessiblePrivate *priv;
+  GtkAccessiblePrivate *priv = gtk_accessible_get_instance_private (accessible);
   GtkAccessibleClass *klass;
 
   g_return_if_fail (GTK_IS_ACCESSIBLE (accessible));
 
-  priv = accessible->priv;
-  klass = GTK_ACCESSIBLE_GET_CLASS (accessible);
-
   if (priv->widget == widget)
     return;
 
+  klass = GTK_ACCESSIBLE_GET_CLASS (accessible);
   if (priv->widget)
     klass->widget_unset (accessible);
 
   priv->widget = widget;
-
-  if (widget)
+  if (priv->widget)
     klass->widget_set (accessible);
 
   g_object_notify (G_OBJECT (accessible), "widget");
@@ -208,8 +207,9 @@ gtk_accessible_set_widget (GtkAccessible *accessible,
 GtkWidget*
 gtk_accessible_get_widget (GtkAccessible *accessible)
 {
+  GtkAccessiblePrivate *priv = gtk_accessible_get_instance_private (accessible);
+
   g_return_val_if_fail (GTK_IS_ACCESSIBLE (accessible), NULL);
 
-  return accessible->priv->widget;
+  return priv->widget;
 }
-
diff --git a/gtk/gtkaccessible.h b/gtk/gtkaccessible.h
index 2c29ab3ca9..26125f0ca4 100644
--- a/gtk/gtkaccessible.h
+++ b/gtk/gtkaccessible.h
@@ -1,5 +1,6 @@
 /* GTK - The GIMP Toolkit
  * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2020 GNOME Foundation
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -28,37 +29,23 @@
 G_BEGIN_DECLS
 
 #define GTK_TYPE_ACCESSIBLE                  (gtk_accessible_get_type ())
-#define GTK_ACCESSIBLE(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ACCESSIBLE, 
GtkAccessible))
-#define GTK_ACCESSIBLE_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ACCESSIBLE, 
GtkAccessibleClass))
-#define GTK_IS_ACCESSIBLE(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ACCESSIBLE))
-#define GTK_IS_ACCESSIBLE_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ACCESSIBLE))
-#define GTK_ACCESSIBLE_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ACCESSIBLE, 
GtkAccessibleClass))
 
-typedef struct _GtkAccessible        GtkAccessible;
-typedef struct _GtkAccessiblePrivate GtkAccessiblePrivate;
-typedef struct _GtkAccessibleClass   GtkAccessibleClass;
-
-struct _GtkAccessible
-{
-  AtkObject parent;
+#if !ATK_CHECK_VERSION(2, 37, 0)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(AtkObject, g_object_unref)
+#endif
 
-  /*< private >*/
-  GtkAccessiblePrivate *priv;
-};
+GDK_AVAILABLE_IN_ALL
+G_DECLARE_DERIVABLE_TYPE (GtkAccessible, gtk_accessible, GTK, ACCESSIBLE, AtkObject)
 
 struct _GtkAccessibleClass
 {
   AtkObjectClass parent_class;
 
-  void (*widget_set)               (GtkAccessible *accessible);
-  void (*widget_unset)             (GtkAccessible *accessible);
-  /* Padding for future expansion */
-  void (*_gtk_reserved3) (void);
-  void (*_gtk_reserved4) (void);
-};
+  void (* widget_set)   (GtkAccessible *accessible);
+  void (* widget_unset) (GtkAccessible *accessible);
 
-GDK_AVAILABLE_IN_ALL
-GType      gtk_accessible_get_type                 (void) G_GNUC_CONST;
+  gpointer _padding[8];
+};
 
 GDK_AVAILABLE_IN_ALL
 void       gtk_accessible_set_widget               (GtkAccessible *accessible,
@@ -69,5 +56,3 @@ GtkWidget *gtk_accessible_get_widget               (GtkAccessible *accessible);
 G_END_DECLS
 
 #endif /* __GTK_ACCESSIBLE_H__ */
-
-