Test + Fix for GTK window resizing when using toolkit views.

views/widget/gtk_views_fixed.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VIEWS_WIDGET_GTK_VIEWS_FIXED_H_
 #define VIEWS_WIDGET_GTK_VIEWS_FIXED_H_
 #pragma once
 
 #include <gdk/gdk.h>
 #include <gtk/gtkfixed.h>
 
-// GtkViewsFixed is a subclass of GtkFixed that can give child widgets their
-// current size rather than their requested size. This behavior is controlled
-// by gtk_views_fixed_set_use_allocated_size; the default is to use the
-// Widget's requested size.
+// GtkViewsFixed is a subclass of GtkFixed that can give child widgets
+// a set size rather than their requisitioned size (which is actually
+// a minimum size, and that can cause issues). This behavior is
+// controlled by gtk_views_fixed_set_widget_size; the default is to
+// use the Widget's requisitioned size.
 
 G_BEGIN_DECLS
 
 #define GTK_TYPE_VIEWS_FIXED        (gtk_views_fixed_get_type ())
 #define GTK_VIEWS_FIXED(obj) \
     (G_TYPE_CHECK_INSTANCE_CAST((obj), GTK_TYPE_VIEWS_FIXED, GtkViewsFixed))
 #define GTK_VIEWS_FIXED_CLASS(klass) \
     (G_TYPE_CHECK_CLASS_CAST((klass), GTK_TYPE_VIEWS_FIXED, GtkViewsFixedClass))
 #define GTK_IS_VIEWS_FIXED(obj) \
     (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_VIEWS_FIXED))
@@ skipping 10 matching lines @@
 };
 
 struct _GtkViewsFixedClass {
   GtkFixedClass parent_class;
 };
 
 GtkWidget* gtk_views_fixed_new();
 
 GType gtk_views_fixed_get_type();
 
-void gtk_views_fixed_set_use_allocated_size(GtkWidget* widget, bool value);
+// If width and height are 0, go back to using the requisitioned size.
+// Queues up a re-size on the widget.
+void gtk_views_fixed_set_widget_size(GtkWidget* widget, int width, int height);
+
+bool gtk_views_fixed_get_widget_size(GtkWidget* widget,
+                                     int* width, int* height);
 
 G_END_DECLS
 
 #endif  // VIEWS_WIDGET_GTK_VIEWS_FIXED_H