[gnome-clocks] Simplify AnalogFrame

[Paolo Borelli <pborelli src gnome org>]

commit 3ce01f6b6bfc3a8dab52d60d5e72b7c9c113af07
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Feb 20 22:40:59 2016 +0100

    Simplify AnalogFrame
    
    We do not need to subclass GtkFrame anymore. This makes the code
    work with the latest Gtk.

 data/ui/stopwatch.ui |    1 +
 src/widgets.vala     |   17 ++---------------
 2 files changed, 3 insertions(+), 15 deletions(-)
---
diff --git a/data/ui/stopwatch.ui b/data/ui/stopwatch.ui
index b01d8f5..005ef27 100644
--- a/data/ui/stopwatch.ui
+++ b/data/ui/stopwatch.ui
@@ -23,6 +23,7 @@
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="halign">center</property>
+                <property name="valign">center</property>
                 <property name="row_spacing">24</property>
                 <property name="column_homogeneous">True</property>
                 <child>
diff --git a/src/widgets.vala b/src/widgets.vala
index 0081786..7bf8de0 100644
--- a/src/widgets.vala
+++ b/src/widgets.vala
@@ -771,7 +771,7 @@ public class AmPmToggleButton : Gtk.Button {
     }
 }
 
-public class AnalogFrame : Gtk.Frame {
+public class AnalogFrame : Gtk.Bin {
     protected const int LINE_WIDTH = 6;
     protected const int RADIUS_PAD = 48;
 
@@ -801,20 +801,7 @@ public class AnalogFrame : Gtk.Frame {
     }
 
     public override void size_allocate (Gtk.Allocation allocation) {
-        set_allocation (allocation);
-        var child = get_child ();
-        if (child != null && child.visible) {
-            int w, h;
-            child.get_preferred_width (out w, null);
-            child.get_preferred_height (out h, null);
-
-            Gtk.Allocation child_allocation = {};
-            child_allocation.x = allocation.x + (allocation.width - w) / 2;
-            child_allocation.y = allocation.y + (allocation.height - h) / 2;
-            child_allocation.width = w;
-            child_allocation.height =  h;
-            child.size_allocate (child_allocation);
-        }
+        base.size_allocate (allocation);
     }
 
     public override bool draw (Cairo.Context cr) {