[totem] Prepare for the demise of size_request

[Bastien Nocera <hadess src gnome org>]

commit 9ee03e0fd8a9d575c0b2bf6f1d9a3da3521472e3
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 29 17:17:28 2010 +0100

    Prepare for the demise of size_request
    
    The size_request vfunc is going away in GTK3.
    This patch prepares totem for that.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=633409

 src/backend/bacon-video-widget-gst-0.10.c |   19 +++++++++++++----
 src/gsd-osd-window.c                      |   31 +++++++++++++++++++++++-----
 2 files changed, 39 insertions(+), 11 deletions(-)
---
diff --git a/src/backend/bacon-video-widget-gst-0.10.c b/src/backend/bacon-video-widget-gst-0.10.c
index e73d47a..80cdc01 100644
--- a/src/backend/bacon-video-widget-gst-0.10.c
+++ b/src/backend/bacon-video-widget-gst-0.10.c
@@ -906,11 +906,19 @@ bacon_video_widget_button_release (GtkWidget *widget, GdkEventButton *event)
 }
 
 static void
-bacon_video_widget_size_request (GtkWidget * widget,
-    GtkRequisition * requisition)
+bacon_video_widget_get_preferred_width (GtkWidget *widget,
+                                        gint      *minimum,
+                                        gint      *natural)
 {
-  requisition->width = 240;
-  requisition->height = 180;
+  *minimum = *natural = 240;
+}
+
+static void
+bacon_video_widget_get_preferred_height (GtkWidget *widget,
+                                         gint      *minimum,
+                                         gint      *natural)
+{
+  *minimum = *natural = 180;
 }
 
 static void
@@ -1001,7 +1009,8 @@ bacon_video_widget_class_init (BaconVideoWidgetClass * klass)
   g_type_class_add_private (object_class, sizeof (BaconVideoWidgetPrivate));
 
   /* GtkWidget */
-  widget_class->size_request = bacon_video_widget_size_request;
+  widget_class->get_preferred_width = bacon_video_widget_get_preferred_width;
+  widget_class->get_preferred_height = bacon_video_widget_get_preferred_height;
   widget_class->size_allocate = bacon_video_widget_size_allocate;
   widget_class->realize = bacon_video_widget_realize;
   widget_class->unrealize = bacon_video_widget_unrealize;
diff --git a/src/gsd-osd-window.c b/src/gsd-osd-window.c
index 64719dd..24182ad 100644
--- a/src/gsd-osd-window.c
+++ b/src/gsd-osd-window.c
@@ -417,19 +417,37 @@ gsd_osd_window_style_set (GtkWidget *widget,
 }
 
 static void
-gsd_osd_window_size_request (GtkWidget      *widget,
-                             GtkRequisition *requisition)
+gsd_osd_window_get_preferred_width (GtkWidget *widget,
+                                    gint      *minimum,
+                                    gint      *natural)
 {
         GtkStyle *style;
 
-        GTK_WIDGET_CLASS (gsd_osd_window_parent_class)->size_request (widget, requisition);
+        GTK_WIDGET_CLASS (gsd_osd_window_parent_class)->get_preferred_width (widget, minimum, natural);
 
         /* See the comment in gsd_osd_window_style_set() for why we add the thickness here */
 
         style = gtk_widget_get_style (widget);
 
-        requisition->width  += style->xthickness;
-        requisition->height += style->ythickness;
+        *minimum += style->xthickness;
+        *natural += style->xthickness;
+}
+
+static void
+gsd_osd_window_get_preferred_height (GtkWidget *widget,
+                                     gint      *minimum,
+                                     gint      *natural)
+{
+        GtkStyle *style;
+
+        GTK_WIDGET_CLASS (gsd_osd_window_parent_class)->get_preferred_height (widget, minimum, natural);
+
+        /* See the comment in gsd_osd_window_style_set() for why we add the thickness here */
+
+        style = gtk_widget_get_style (widget);
+
+        *minimum += style->ythickness;
+        *natural += style->ythickness;
 }
 
 static GObject *
@@ -464,7 +482,8 @@ gsd_osd_window_class_init (GsdOsdWindowClass *klass)
         widget_class->hide = gsd_osd_window_real_hide;
         widget_class->realize = gsd_osd_window_real_realize;
         widget_class->style_set = gsd_osd_window_style_set;
-        widget_class->size_request = gsd_osd_window_size_request;
+        widget_class->get_preferred_width = gsd_osd_window_get_preferred_width;
+        widget_class->get_preferred_height = gsd_osd_window_get_preferred_height;
         widget_class->draw = gsd_osd_window_draw;
 
         signals[DRAW_WHEN_COMPOSITED] = g_signal_new ("draw-when-composited",