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diff -up /dev/null gnome-control-center-2.21.92/capplets/display/display-capplet.glade
--- /dev/null	2008-02-19 17:35:05.543056439 -0500
+++ gnome-control-center-2.21.92/capplets/display/display-capplet.glade	2008-03-02 17:36:13.000000000 -0500
@@ -0,0 +1,418 @@
+<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
+<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
+
+<glade-interface>
+
+<widget class="GtkDialog" id="dialog">
+  <property name="border_width">18</property>
+  <property name="title" translatable="yes"></property>
+  <property name="type">GTK_WINDOW_TOPLEVEL</property>
+  <property name="window_position">GTK_WIN_POS_NONE</property>
+  <property name="modal">False</property>
+  <property name="resizable">True</property>
+  <property name="destroy_with_parent">False</property>
+  <property name="decorated">True</property>
+  <property name="skip_taskbar_hint">False</property>
+  <property name="skip_pager_hint">False</property>
+  <property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
+  <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
+  <property name="focus_on_map">True</property>
+  <property name="urgency_hint">False</property>
+  <property name="has_separator">False</property>
+
+  <child internal-child="vbox">
+    <widget class="GtkVBox" id="dialog-vbox1">
+      <property name="visible">True</property>
+      <property name="homogeneous">False</property>
+      <property name="spacing">0</property>
+
+      <child internal-child="action_area">
+	<widget class="GtkHButtonBox" id="dialog-action_area1">
+	  <property name="visible">True</property>
+	  <property name="layout_style">GTK_BUTTONBOX_END</property>
+
+	  <child>
+	    <widget class="GtkButton" id="helpbutton1">
+	      <property name="visible">True</property>
+	      <property name="can_default">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label">gtk-help</property>
+	      <property name="use_stock">True</property>
+	      <property name="relief">GTK_RELIEF_NORMAL</property>
+	      <property name="focus_on_click">True</property>
+	      <property name="response_id">-11</property>
+	    </widget>
+	  </child>
+
+	  <child>
+	    <widget class="GtkButton" id="button1">
+	      <property name="visible">True</property>
+	      <property name="can_default">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label">gtk-apply</property>
+	      <property name="use_stock">True</property>
+	      <property name="relief">GTK_RELIEF_NORMAL</property>
+	      <property name="focus_on_click">True</property>
+	      <property name="response_id">-10</property>
+	    </widget>
+	  </child>
+
+	  <child>
+	    <widget class="GtkButton" id="button2">
+	      <property name="visible">True</property>
+	      <property name="can_default">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label">gtk-close</property>
+	      <property name="use_stock">True</property>
+	      <property name="relief">GTK_RELIEF_NORMAL</property>
+	      <property name="focus_on_click">True</property>
+	      <property name="response_id">-7</property>
+	    </widget>
+	  </child>
+	</widget>
+	<packing>
+	  <property name="padding">0</property>
+	  <property name="expand">False</property>
+	  <property name="fill">True</property>
+	  <property name="pack_type">GTK_PACK_END</property>
+	</packing>
+      </child>
+
+      <child>
+	<widget class="GtkVBox" id="vbox1">
+	  <property name="visible">True</property>
+	  <property name="homogeneous">False</property>
+	  <property name="spacing">12</property>
+
+	  <child>
+	    <widget class="GtkLabel" id="label1">
+	      <property name="visible">True</property>
+	      <property name="label" translatable="yes">&lt;b&gt;Monitor Resolution Settings&lt;/b&gt;</property>
+	      <property name="use_underline">False</property>
+	      <property name="use_markup">True</property>
+	      <property name="justify">GTK_JUSTIFY_LEFT</property>
+	      <property name="wrap">False</property>
+	      <property name="selectable">False</property>
+	      <property name="xalign">0</property>
+	      <property name="yalign">0.5</property>
+	      <property name="xpad">0</property>
+	      <property name="ypad">0</property>
+	      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+	      <property name="width_chars">-1</property>
+	      <property name="single_line_mode">False</property>
+	      <property name="angle">0</property>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">False</property>
+	      <property name="fill">False</property>
+	    </packing>
+	  </child>
+
+	  <child>
+	    <widget class="GtkCheckButton" id="clone_checkbox">
+	      <property name="visible">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label" translatable="yes">Mirror Screens (the clone wars)</property>
+	      <property name="use_underline">True</property>
+	      <property name="relief">GTK_RELIEF_NORMAL</property>
+	      <property name="focus_on_click">True</property>
+	      <property name="active">False</property>
+	      <property name="inconsistent">False</property>
+	      <property name="draw_indicator">True</property>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">False</property>
+	      <property name="fill">False</property>
+	    </packing>
+	  </child>
+
+	  <child>
+	    <widget class="GtkAlignment" id="align">
+	      <property name="visible">True</property>
+	      <property name="xalign">0.5</property>
+	      <property name="yalign">0.5</property>
+	      <property name="xscale">1</property>
+	      <property name="yscale">1</property>
+	      <property name="top_padding">0</property>
+	      <property name="bottom_padding">0</property>
+	      <property name="left_padding">0</property>
+	      <property name="right_padding">0</property>
+
+	      <child>
+		<placeholder/>
+	      </child>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">True</property>
+	      <property name="fill">True</property>
+	    </packing>
+	  </child>
+
+	  <child>
+	    <widget class="GtkAlignment" id="alignment1">
+	      <property name="visible">True</property>
+	      <property name="xalign">0.5</property>
+	      <property name="yalign">0.5</property>
+	      <property name="xscale">1</property>
+	      <property name="yscale">1</property>
+	      <property name="top_padding">12</property>
+	      <property name="bottom_padding">24</property>
+	      <property name="left_padding">24</property>
+	      <property name="right_padding">24</property>
+
+	      <child>
+		<widget class="GtkTable" id="table1">
+		  <property name="visible">True</property>
+		  <property name="n_rows">2</property>
+		  <property name="n_columns">4</property>
+		  <property name="homogeneous">False</property>
+		  <property name="row_spacing">12</property>
+		  <property name="column_spacing">12</property>
+
+		  <child>
+		    <widget class="GtkLabel" id="label2">
+		      <property name="visible">True</property>
+		      <property name="label" translatable="yes">_Resolution</property>
+		      <property name="use_underline">True</property>
+		      <property name="use_markup">False</property>
+		      <property name="justify">GTK_JUSTIFY_LEFT</property>
+		      <property name="wrap">False</property>
+		      <property name="selectable">False</property>
+		      <property name="xalign">0</property>
+		      <property name="yalign">0.5</property>
+		      <property name="xpad">0</property>
+		      <property name="ypad">0</property>
+		      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+		      <property name="width_chars">-1</property>
+		      <property name="single_line_mode">False</property>
+		      <property name="angle">0</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">0</property>
+		      <property name="right_attach">1</property>
+		      <property name="top_attach">0</property>
+		      <property name="bottom_attach">1</property>
+		      <property name="x_options">fill</property>
+		      <property name="y_options"></property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkLabel" id="label3">
+		      <property name="visible">True</property>
+		      <property name="label" translatable="yes">Re_fresh Rate:</property>
+		      <property name="use_underline">True</property>
+		      <property name="use_markup">False</property>
+		      <property name="justify">GTK_JUSTIFY_LEFT</property>
+		      <property name="wrap">False</property>
+		      <property name="selectable">False</property>
+		      <property name="xalign">0</property>
+		      <property name="yalign">0.5</property>
+		      <property name="xpad">0</property>
+		      <property name="ypad">0</property>
+		      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+		      <property name="width_chars">-1</property>
+		      <property name="single_line_mode">False</property>
+		      <property name="angle">0</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">0</property>
+		      <property name="right_attach">1</property>
+		      <property name="top_attach">1</property>
+		      <property name="bottom_attach">2</property>
+		      <property name="x_options">fill</property>
+		      <property name="y_options"></property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkComboBox" id="resolution_combo">
+		      <property name="visible">True</property>
+		      <property name="add_tearoffs">False</property>
+		      <property name="focus_on_click">True</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">1</property>
+		      <property name="right_attach">2</property>
+		      <property name="top_attach">0</property>
+		      <property name="bottom_attach">1</property>
+		      <property name="y_options">fill</property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkComboBox" id="refresh_combo">
+		      <property name="visible">True</property>
+		      <property name="add_tearoffs">False</property>
+		      <property name="focus_on_click">True</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">1</property>
+		      <property name="right_attach">2</property>
+		      <property name="top_attach">1</property>
+		      <property name="bottom_attach">2</property>
+		      <property name="x_options">fill</property>
+		      <property name="y_options">fill</property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkLabel" id="panel_label">
+		      <property name="visible">True</property>
+		      <property name="label" translatable="yes">Include _Panel</property>
+		      <property name="use_underline">True</property>
+		      <property name="use_markup">False</property>
+		      <property name="justify">GTK_JUSTIFY_LEFT</property>
+		      <property name="wrap">False</property>
+		      <property name="selectable">False</property>
+		      <property name="xalign">0</property>
+		      <property name="yalign">0.5</property>
+		      <property name="xpad">0</property>
+		      <property name="ypad">0</property>
+		      <property name="mnemonic_widget">panel_checkbox</property>
+		      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+		      <property name="width_chars">-1</property>
+		      <property name="single_line_mode">False</property>
+		      <property name="angle">0</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">2</property>
+		      <property name="right_attach">3</property>
+		      <property name="top_attach">0</property>
+		      <property name="bottom_attach">1</property>
+		      <property name="x_options">fill</property>
+		      <property name="y_options"></property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkLabel" id="label5">
+		      <property name="visible">True</property>
+		      <property name="label" translatable="yes">R_otation</property>
+		      <property name="use_underline">True</property>
+		      <property name="use_markup">False</property>
+		      <property name="justify">GTK_JUSTIFY_LEFT</property>
+		      <property name="wrap">False</property>
+		      <property name="selectable">False</property>
+		      <property name="xalign">0</property>
+		      <property name="yalign">0.5</property>
+		      <property name="xpad">0</property>
+		      <property name="ypad">0</property>
+		      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+		      <property name="width_chars">-1</property>
+		      <property name="single_line_mode">False</property>
+		      <property name="angle">0</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">2</property>
+		      <property name="right_attach">3</property>
+		      <property name="top_attach">1</property>
+		      <property name="bottom_attach">2</property>
+		      <property name="x_options">fill</property>
+		      <property name="y_options"></property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkComboBox" id="rotation_combo">
+		      <property name="visible">True</property>
+		      <property name="items" translatable="yes">Normal
+Left
+Right
+Upside-down
+</property>
+		      <property name="add_tearoffs">False</property>
+		      <property name="focus_on_click">True</property>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">3</property>
+		      <property name="right_attach">4</property>
+		      <property name="top_attach">1</property>
+		      <property name="bottom_attach">2</property>
+		      <property name="y_options">fill</property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkCheckButton" id="panel_checkbox">
+		      <property name="visible">True</property>
+		      <property name="can_focus">True</property>
+		      <property name="relief">GTK_RELIEF_NORMAL</property>
+		      <property name="focus_on_click">True</property>
+		      <property name="active">False</property>
+		      <property name="inconsistent">False</property>
+		      <property name="draw_indicator">True</property>
+
+		      <child>
+			<placeholder/>
+		      </child>
+		    </widget>
+		    <packing>
+		      <property name="left_attach">3</property>
+		      <property name="right_attach">4</property>
+		      <property name="top_attach">0</property>
+		      <property name="bottom_attach">1</property>
+		      <property name="x_options">fill</property>
+		      <property name="y_options"></property>
+		    </packing>
+		  </child>
+		</widget>
+	      </child>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">False</property>
+	      <property name="fill">True</property>
+	    </packing>
+	  </child>
+
+	  <child>
+	    <widget class="GtkLabel" id="label6">
+	      <property name="visible">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label" translatable="yes">
+If you report bugs in this control panel (please do!), make sure you
+attach the file
+
+                          /var/log/Xorg.0.log
+
+plus the names and models of the monitors, including laptops, you are using. 
+
+Thank you, and yes, this text will go away before F9.
+
+</property>
+	      <property name="use_underline">False</property>
+	      <property name="use_markup">True</property>
+	      <property name="justify">GTK_JUSTIFY_LEFT</property>
+	      <property name="wrap">False</property>
+	      <property name="selectable">True</property>
+	      <property name="xalign">0.5</property>
+	      <property name="yalign">0.5</property>
+	      <property name="xpad">0</property>
+	      <property name="ypad">0</property>
+	      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+	      <property name="width_chars">-1</property>
+	      <property name="single_line_mode">False</property>
+	      <property name="angle">0</property>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">False</property>
+	      <property name="fill">False</property>
+	    </packing>
+	  </child>
+	</widget>
+	<packing>
+	  <property name="padding">0</property>
+	  <property name="expand">True</property>
+	  <property name="fill">True</property>
+	</packing>
+      </child>
+    </widget>
+  </child>
+</widget>
+
+</glade-interface>
diff -up /dev/null gnome-control-center-2.21.92/capplets/display/foo-marshal.c
--- /dev/null	2008-02-19 17:35:05.543056439 -0500
+++ gnome-control-center-2.21.92/capplets/display/foo-marshal.c	2008-03-02 17:36:13.000000000 -0500
@@ -0,0 +1,279 @@
+
+#include	<glib-object.h>
+
+
+#ifdef G_ENABLE_DEBUG
+#define g_marshal_value_peek_boolean(v)  g_value_get_boolean (v)
+#define g_marshal_value_peek_char(v)     g_value_get_char (v)
+#define g_marshal_value_peek_uchar(v)    g_value_get_uchar (v)
+#define g_marshal_value_peek_int(v)      g_value_get_int (v)
+#define g_marshal_value_peek_uint(v)     g_value_get_uint (v)
+#define g_marshal_value_peek_long(v)     g_value_get_long (v)
+#define g_marshal_value_peek_ulong(v)    g_value_get_ulong (v)
+#define g_marshal_value_peek_int64(v)    g_value_get_int64 (v)
+#define g_marshal_value_peek_uint64(v)   g_value_get_uint64 (v)
+#define g_marshal_value_peek_enum(v)     g_value_get_enum (v)
+#define g_marshal_value_peek_flags(v)    g_value_get_flags (v)
+#define g_marshal_value_peek_float(v)    g_value_get_float (v)
+#define g_marshal_value_peek_double(v)   g_value_get_double (v)
+#define g_marshal_value_peek_string(v)   (char*) g_value_get_string (v)
+#define g_marshal_value_peek_param(v)    g_value_get_param (v)
+#define g_marshal_value_peek_boxed(v)    g_value_get_boxed (v)
+#define g_marshal_value_peek_pointer(v)  g_value_get_pointer (v)
+#define g_marshal_value_peek_object(v)   g_value_get_object (v)
+#else /* !G_ENABLE_DEBUG */
+/* WARNING: This code accesses GValues directly, which is UNSUPPORTED API.
+ *          Do not access GValues directly in your code. Instead, use the
+ *          g_value_get_*() functions
+ */
+#define g_marshal_value_peek_boolean(v)  (v)->data[0].v_int
+#define g_marshal_value_peek_char(v)     (v)->data[0].v_int
+#define g_marshal_value_peek_uchar(v)    (v)->data[0].v_uint
+#define g_marshal_value_peek_int(v)      (v)->data[0].v_int
+#define g_marshal_value_peek_uint(v)     (v)->data[0].v_uint
+#define g_marshal_value_peek_long(v)     (v)->data[0].v_long
+#define g_marshal_value_peek_ulong(v)    (v)->data[0].v_ulong
+#define g_marshal_value_peek_int64(v)    (v)->data[0].v_int64
+#define g_marshal_value_peek_uint64(v)   (v)->data[0].v_uint64
+#define g_marshal_value_peek_enum(v)     (v)->data[0].v_long
+#define g_marshal_value_peek_flags(v)    (v)->data[0].v_ulong
+#define g_marshal_value_peek_float(v)    (v)->data[0].v_float
+#define g_marshal_value_peek_double(v)   (v)->data[0].v_double
+#define g_marshal_value_peek_string(v)   (v)->data[0].v_pointer
+#define g_marshal_value_peek_param(v)    (v)->data[0].v_pointer
+#define g_marshal_value_peek_boxed(v)    (v)->data[0].v_pointer
+#define g_marshal_value_peek_pointer(v)  (v)->data[0].v_pointer
+#define g_marshal_value_peek_object(v)   (v)->data[0].v_pointer
+#endif /* !G_ENABLE_DEBUG */
+
+
+/* VOID:OBJECT,OBJECT (marshal.list:1) */
+void
+foo_marshal_VOID__OBJECT_OBJECT (GClosure     *closure,
+                                 GValue       *return_value G_GNUC_UNUSED,
+                                 guint         n_param_values,
+                                 const GValue *param_values,
+                                 gpointer      invocation_hint G_GNUC_UNUSED,
+                                 gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__OBJECT_OBJECT) (gpointer     data1,
+                                                    gpointer     arg_1,
+                                                    gpointer     arg_2,
+                                                    gpointer     data2);
+  register GMarshalFunc_VOID__OBJECT_OBJECT callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 3);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__OBJECT_OBJECT) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_object (param_values + 1),
+            g_marshal_value_peek_object (param_values + 2),
+            data2);
+}
+
+/* VOID:UINT,UINT,UINT,UINT (marshal.list:2) */
+void
+foo_marshal_VOID__UINT_UINT_UINT_UINT (GClosure     *closure,
+                                       GValue       *return_value G_GNUC_UNUSED,
+                                       guint         n_param_values,
+                                       const GValue *param_values,
+                                       gpointer      invocation_hint G_GNUC_UNUSED,
+                                       gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__UINT_UINT_UINT_UINT) (gpointer     data1,
+                                                          guint        arg_1,
+                                                          guint        arg_2,
+                                                          guint        arg_3,
+                                                          guint        arg_4,
+                                                          gpointer     data2);
+  register GMarshalFunc_VOID__UINT_UINT_UINT_UINT callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 5);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__UINT_UINT_UINT_UINT) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_uint (param_values + 1),
+            g_marshal_value_peek_uint (param_values + 2),
+            g_marshal_value_peek_uint (param_values + 3),
+            g_marshal_value_peek_uint (param_values + 4),
+            data2);
+}
+
+/* VOID:UINT,UINT (marshal.list:3) */
+void
+foo_marshal_VOID__UINT_UINT (GClosure     *closure,
+                             GValue       *return_value G_GNUC_UNUSED,
+                             guint         n_param_values,
+                             const GValue *param_values,
+                             gpointer      invocation_hint G_GNUC_UNUSED,
+                             gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__UINT_UINT) (gpointer     data1,
+                                                guint        arg_1,
+                                                guint        arg_2,
+                                                gpointer     data2);
+  register GMarshalFunc_VOID__UINT_UINT callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 3);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__UINT_UINT) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_uint (param_values + 1),
+            g_marshal_value_peek_uint (param_values + 2),
+            data2);
+}
+
+/* VOID:BOXED (marshal.list:4) */
+
+/* VOID:BOXED,BOXED (marshal.list:5) */
+void
+foo_marshal_VOID__BOXED_BOXED (GClosure     *closure,
+                               GValue       *return_value G_GNUC_UNUSED,
+                               guint         n_param_values,
+                               const GValue *param_values,
+                               gpointer      invocation_hint G_GNUC_UNUSED,
+                               gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__BOXED_BOXED) (gpointer     data1,
+                                                  gpointer     arg_1,
+                                                  gpointer     arg_2,
+                                                  gpointer     data2);
+  register GMarshalFunc_VOID__BOXED_BOXED callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 3);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__BOXED_BOXED) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_boxed (param_values + 1),
+            g_marshal_value_peek_boxed (param_values + 2),
+            data2);
+}
+
+/* VOID:POINTER,BOXED,POINTER (marshal.list:6) */
+void
+foo_marshal_VOID__POINTER_BOXED_POINTER (GClosure     *closure,
+                                         GValue       *return_value G_GNUC_UNUSED,
+                                         guint         n_param_values,
+                                         const GValue *param_values,
+                                         gpointer      invocation_hint G_GNUC_UNUSED,
+                                         gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__POINTER_BOXED_POINTER) (gpointer     data1,
+                                                            gpointer     arg_1,
+                                                            gpointer     arg_2,
+                                                            gpointer     arg_3,
+                                                            gpointer     data2);
+  register GMarshalFunc_VOID__POINTER_BOXED_POINTER callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 4);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__POINTER_BOXED_POINTER) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_pointer (param_values + 1),
+            g_marshal_value_peek_boxed (param_values + 2),
+            g_marshal_value_peek_pointer (param_values + 3),
+            data2);
+}
+
+/* VOID:POINTER,POINTER (marshal.list:7) */
+void
+foo_marshal_VOID__POINTER_POINTER (GClosure     *closure,
+                                   GValue       *return_value G_GNUC_UNUSED,
+                                   guint         n_param_values,
+                                   const GValue *param_values,
+                                   gpointer      invocation_hint G_GNUC_UNUSED,
+                                   gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__POINTER_POINTER) (gpointer     data1,
+                                                      gpointer     arg_1,
+                                                      gpointer     arg_2,
+                                                      gpointer     data2);
+  register GMarshalFunc_VOID__POINTER_POINTER callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 3);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__POINTER_POINTER) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_pointer (param_values + 1),
+            g_marshal_value_peek_pointer (param_values + 2),
+            data2);
+}
+
diff -up /dev/null gnome-control-center-2.21.92/capplets/display/xrandr-capplet.c
--- /dev/null	2008-02-19 17:35:05.543056439 -0500
+++ gnome-control-center-2.21.92/capplets/display/xrandr-capplet.c	2008-03-02 17:36:13.000000000 -0500
@@ -0,0 +1,976 @@
+/* Monitor Settings. A preference panel for configuring monitors
+ *
+ * Copyright (C) 2007, 2008  Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Soren Sandmann <sandmann@redhat.com>
+ */
+
+#include <gtk/gtk.h>
+#include <glade/glade.h>
+#include <string.h>
+#include <stdlib.h>
+#include "scrollarea.h"
+#define I_KNOW_THIS_IS_UNSTABLE_AND_ONLY_IN_FEDORA
+#include <libgnomeui/randrwrap.h>
+#include <libgnomeui/monitor-db.h>
+#include <gdk/gdkx.h>
+#include <X11/Xlib.h>
+
+typedef struct App App;
+
+struct App
+{
+    RWScreen       *screen;
+    Configuration  *current_configuration;
+    Output         *current_output;
+    
+    GtkWidget	   *dialog;
+    GtkListStore   *resolution_store;
+    GtkWidget	   *resolution_combo;
+    GtkWidget	   *refresh_combo;
+    GtkWidget	   *rotation_combo;
+    GtkWidget	   *panel_checkbox;
+    GtkWidget	   *panel_label;
+    GtkWidget	   *clone_checkbox;
+    
+    GtkWidget      *area;
+    gboolean	    ignore_gui_changes;
+};
+
+static void rebuild_gui (App *app);
+static void on_rate_changed (GtkComboBox *box, gpointer data);
+
+#if 0
+static void
+show_error (const GError *err)
+{
+    if (!err)
+	return;
+    
+    GtkWidget *dialog = gtk_message_dialog_new (
+	NULL,
+	GTK_DIALOG_DESTROY_WITH_PARENT,
+	GTK_MESSAGE_WARNING,
+	GTK_BUTTONS_OK, err->message);
+    
+    gtk_window_set_title (GTK_WINDOW (dialog), "");
+    
+    gtk_dialog_run (GTK_DIALOG (dialog));
+    gtk_widget_destroy (dialog);
+}
+#endif
+
+static gboolean
+do_free (gpointer data)
+{
+    g_free (data);
+    return FALSE;
+}
+
+static gchar *
+idle_free (gchar *s)
+{
+    g_idle_add (do_free, s);
+
+    return s;
+}
+
+static int
+compare_outputs (const void *p1, const void *p2)
+{
+    Output *const *o1 = p1;
+    Output *const *o2 = p2;
+
+    return (**o1).x - (**o2).x;
+}
+
+static void
+on_screen_changed (RWScreen *scr,
+		   gpointer data)
+{
+    Configuration *current;
+    App *app = data;
+    int i;
+    Output *best;
+
+    current = configuration_new_current (app->screen);
+
+    g_print ("New configuration\n");
+    
+    if (app->current_configuration)
+	configuration_free (app->current_configuration);
+    
+    app->current_configuration = current;
+
+    for (i = 0; app->current_configuration->outputs[i] != NULL; ++i)
+    {
+	Output *o = app->current_configuration->outputs[i];
+	
+	g_print ("  output %s %s: %d %d %d %d\n", o->name, o->on? "on" : "off", o->x, o->y, o->width, o->height);
+    }
+    
+    g_print ("sorting\n");
+    /* Sort outputs according to X coordinate */
+    for (i = 0; app->current_configuration->outputs[i] != NULL; ++i)
+	;
+	
+    qsort (app->current_configuration->outputs, i, sizeof (Output *),
+	   compare_outputs);
+
+    for (i = 0; app->current_configuration->outputs[i] != NULL; ++i)
+    {
+	Output *o = app->current_configuration->outputs[i];
+	
+	g_print ("  output: %d %d %d %d\n", o->x, o->y, o->width, o->height);
+    }
+    
+    /* Select an output */
+    best = NULL;
+    for (i = 0; app->current_configuration->outputs[i] != NULL; ++i)
+    {
+	Output *output = app->current_configuration->outputs[i];
+
+	if (output->connected)
+	{
+	    char *cur_name =
+		app->current_output? app->current_output->name : NULL;
+
+	    if ((cur_name && strcmp (output->name, cur_name) == 0) || !best)
+		best = output;
+	}
+    }
+
+    app->current_output = best;
+
+    rebuild_gui (app);
+}
+
+static void
+on_viewport_changed (FooScrollArea *scroll_area,
+		     GdkRectangle  *old_viewport,
+		     GdkRectangle  *new_viewport)
+{
+    foo_scroll_area_set_size (scroll_area,
+			      new_viewport->width,
+			      new_viewport->height);
+
+    foo_scroll_area_invalidate (scroll_area);
+}
+
+static void
+layout_set_font (PangoLayout *layout, const char *font)
+{
+    PangoFontDescription *desc =
+	pango_font_description_from_string (font);
+
+    if (desc)
+    {
+	pango_layout_set_font_description (layout, desc);
+
+	pango_font_description_free (desc);
+    }
+}
+
+static void
+clear_combo (GtkWidget *widget)
+{
+    GtkComboBox *box = GTK_COMBO_BOX (widget);
+    GtkTreeModel *model = gtk_combo_box_get_model (box);
+    if (!model)
+    {
+	g_print ("asdf\n");
+	return;
+    }
+    GtkListStore *store = GTK_LIST_STORE (model);
+
+    gtk_list_store_clear (store);
+}
+
+typedef struct
+{
+    const char *text;
+    gboolean found;
+    GtkTreeIter iter;
+} ForeachInfo;
+
+static gboolean
+foreach (GtkTreeModel *model,
+	 GtkTreePath *path,
+	 GtkTreeIter *iter,
+	 gpointer data)
+{
+    ForeachInfo *info = data;
+    char *text = NULL;
+
+    gtk_tree_model_get (model, iter, 0, &text, -1);
+
+    g_assert (text != NULL);
+    
+    if (strcmp (info->text, text) == 0)
+    {
+	info->found = TRUE;
+	info->iter = *iter;
+	return TRUE;
+    }
+
+    return FALSE;
+}
+
+static void
+add_key (GtkWidget *widget,
+	 const char *text,
+	 int width, int height, int rate,
+	 RWRotation rotation)
+{
+    ForeachInfo info;
+    GtkComboBox *box = GTK_COMBO_BOX (widget);
+    GtkTreeModel *model = gtk_combo_box_get_model (box);
+    GtkListStore *store = GTK_LIST_STORE (model);
+    gboolean retval;
+
+    info.text = text;
+    info.found = FALSE;
+    
+    gtk_tree_model_foreach (model, foreach, &info);
+
+    if (!info.found)
+    {
+	GtkTreeIter iter;
+	gtk_list_store_append (store, &iter);
+
+	gtk_list_store_set (store, &iter,
+			    0, text,
+			    1, width,
+			    2, height,
+			    3, rate,
+			    4, width * height,
+			    5, rotation,
+			    -1);
+
+	retval = TRUE;
+    }
+    else
+    {
+	retval = FALSE;
+    }
+}
+
+static gboolean
+combo_select (GtkWidget *widget, const char *text)
+{
+    GtkComboBox *box = GTK_COMBO_BOX (widget);
+    GtkTreeModel *model = gtk_combo_box_get_model (box);
+    ForeachInfo info;
+
+    info.text = text;
+    info.found = FALSE;
+    
+    gtk_tree_model_foreach (model, foreach, &info);
+
+    if (!info.found)
+	return FALSE;
+
+    gtk_combo_box_set_active_iter (box, &info.iter);
+    return TRUE;
+}
+
+static RWMode **
+get_current_modes (App *app)
+{
+    RWOutput *output;
+    
+    if (!app->current_output)
+	return NULL;
+
+    output = rw_screen_get_output_by_name (
+	app->screen, app->current_output->name);
+
+    if (!output)
+	return NULL;
+
+    return rw_output_list_modes (output);
+}
+
+static void
+rebuild_rotation_combo (App *app)
+{
+    typedef struct
+    {
+	RWRotation	rotation;
+	const char *	name;
+    } RotationInfo;
+    static const RotationInfo rotations[] = {
+	{ RW_ROTATION_0, "Normal" },
+	{ RW_ROTATION_90, "Left" },
+	{ RW_ROTATION_270, "Right" },
+	{ RW_ROTATION_180, "Upside Down" },
+    };
+    const char *selection;
+    RWRotation current;
+    int i;
+    
+    clear_combo (app->rotation_combo);
+
+    gtk_widget_set_sensitive (
+	app->rotation_combo, app->current_output && app->current_output->on);
+    
+    if (!app->current_output)
+	return;
+    
+    current = app->current_output->rotation;
+
+    selection = NULL;
+    for (i = 0; i < G_N_ELEMENTS (rotations); ++i)
+    {
+	const RotationInfo *info = &(rotations[i]);
+	
+	app->current_output->rotation = info->rotation;
+
+	if (configuration_applicable (app->current_configuration, app->screen))
+	{
+ 	    add_key (app->rotation_combo, info->name, 0, 0, 0, info->rotation);
+
+	    if (info->rotation == current)
+		selection = info->name;
+	}
+    }
+
+    app->current_output->rotation = current;
+    
+    if (!(selection && combo_select (app->rotation_combo, selection)))
+	combo_select (app->rotation_combo, "Normal");
+}
+
+#define idle_free_printf(x) idle_free (g_strdup_printf (x))
+
+static void
+rebuild_rate_combo (App *app)
+{
+    GHashTable *rates;
+    RWMode **modes;
+    int best;
+    int i;
+
+    clear_combo (app->refresh_combo);
+
+    gtk_widget_set_sensitive (
+	app->refresh_combo, app->current_output && app->current_output->on);
+
+    if (!(modes = get_current_modes (app)))
+	return;
+    
+    rates = g_hash_table_new_full (
+	g_str_hash, g_str_equal, (GFreeFunc)g_free, NULL);
+    
+    best = -1;
+    for (i = 0; modes[i] != NULL; ++i)
+    {
+	RWMode *mode = modes[i];
+	int width, height, rate;
+
+	width = rw_mode_get_width (mode);
+	height = rw_mode_get_height (mode);
+	rate = rw_mode_get_freq (mode);
+
+	if (width == app->current_output->width		&&
+	    height == app->current_output->height)
+	{
+	    add_key (app->refresh_combo,
+		     idle_free (g_strdup_printf ("%d Hz", rate)),
+		     0, 0, rate, -1);
+
+	    if (rate > best)
+		best = rate;
+	}
+    }
+
+    if (!combo_select (app->refresh_combo, idle_free (g_strdup_printf ("%d Hz", app->current_output->rate))))
+	combo_select (app->refresh_combo, idle_free (g_strdup_printf ("%d Hz", best)));
+}
+
+static void
+rebuild_resolution_combo (App *app)
+{
+    int i;
+    RWMode **modes;
+    int best_w, best_h;
+    const char *current;
+
+    clear_combo (app->resolution_combo);
+    
+    if (!(modes = get_current_modes (app)))
+	return;
+
+    best_w = 0;
+    best_h = 0;
+    for (i = 0; modes[i] != NULL; ++i)
+    {
+	int width, height;
+
+	width = rw_mode_get_width (modes[i]);
+	height = rw_mode_get_height (modes[i]);
+	
+	add_key (app->resolution_combo,
+		 idle_free (g_strdup_printf ("%d x %d", width, height)),
+		 width, height, 0, -1);
+
+	if (width * height > best_w * best_h)
+	{
+	    best_w = width;
+	    best_h = height;
+	}
+    }
+
+    add_key (app->resolution_combo, "Off", 0, 0, 0, 0);
+
+    if (!app->current_output->on)
+    {
+	current = "Off";
+    }
+    else
+    {
+	current = idle_free (g_strdup_printf ("%d x %d",
+					      app->current_output->width,
+					      app->current_output->height));
+    }
+	     
+
+    if (!combo_select (app->resolution_combo, current))
+    {
+	combo_select (app->resolution_combo,
+		      idle_free (
+			  g_strdup_printf ("%d x %d", best_w, best_h)));
+    }
+}
+
+static void
+rebuild_gui (App *app)
+{
+    gboolean sensitive;
+
+    /* We would break spectacularly if we recursed, so
+     * just assert if that happens
+     */
+    g_assert (app->ignore_gui_changes == FALSE);
+    
+    app->ignore_gui_changes = TRUE;
+
+    sensitive = app->current_output? TRUE : FALSE;
+
+#if 0
+    g_print ("rebuild gui, is on: %d\n", app->current_output->on);
+#endif
+    
+    rebuild_resolution_combo (app);
+    rebuild_rate_combo (app);
+    rebuild_rotation_combo (app);
+
+    gtk_widget_set_sensitive (app->resolution_combo, sensitive);
+
+#if 0
+    g_print ("sensitive: %d, on: %d\n", sensitive, app->current_output->on);
+#endif
+    gtk_widget_set_sensitive (app->panel_checkbox, sensitive);
+
+    app->ignore_gui_changes = FALSE;
+}
+
+static gboolean
+get_mode (GtkWidget *widget, int *width, int *height, int *freq, RWRotation *rot)
+{
+    GtkTreeIter iter;
+    GtkTreeModel *model;
+    GtkComboBox *box = GTK_COMBO_BOX (widget);
+    int dummy;
+
+    if (!gtk_combo_box_get_active_iter (box, &iter))
+	return FALSE;
+
+    if (!width)
+	width = &dummy;
+
+    if (!height)
+	height = &dummy;
+
+    if (!freq)
+	freq = &dummy;
+
+    if (!rot)
+	rot = (RWRotation *)&dummy;
+    
+    model = gtk_combo_box_get_model (box);
+    gtk_tree_model_get (model, &iter,
+			1, width,
+			2, height,
+			3, freq,
+			5, rot,
+			-1);
+
+    return TRUE;
+
+}
+
+static void
+on_rotation_changed (GtkComboBox *box, gpointer data)
+{
+    App *app = data;
+    RWRotation rotation;
+
+    if (!app->current_output)
+	return;
+
+    if (get_mode (app->rotation_combo, NULL, NULL, NULL, &rotation))
+	app->current_output->rotation = rotation;
+
+    foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area));
+}
+
+static void
+on_rate_changed (GtkComboBox *box, gpointer data)
+{
+    App *app = data;
+    int rate;
+
+    if (!app->current_output)
+	return;
+
+    if (get_mode (app->refresh_combo, NULL, NULL, &rate, NULL))
+	app->current_output->rate = rate;
+
+    foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area));
+}
+
+static void
+on_resolution_changed (GtkComboBox *box, gpointer data)
+{
+    App *app = data;
+    int width;
+    int height;
+    int i;
+    int x;
+
+    if (!app->current_output)
+	return;
+
+    if (get_mode (app->resolution_combo, &width, &height, NULL, NULL))
+    {
+	app->current_output->width = width;
+	app->current_output->height = height;
+
+	if (width == 0 || height == 0)
+	    app->current_output->on = FALSE;
+	else
+	    app->current_output->on = TRUE;
+    }
+    
+    if (app->current_configuration)
+    {
+	x = 0;
+	for (i = 0; app->current_configuration->outputs[i] != NULL; ++i)
+	{
+	    Output *output = app->current_configuration->outputs[i];
+	    
+	    if (output->connected)
+	    {
+		output->x = x;
+		
+		x += output->width;
+	    }
+	}
+    }
+    
+    rebuild_rate_combo (app);
+    rebuild_rotation_combo (app);
+    
+    foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area));
+}
+
+static void
+on_clone_changed (GtkWidget *box, gpointer data)
+{
+    App *app = data;
+
+    g_print ("clone changed\n");
+}
+
+static void
+on_output_event (FooScrollArea *area,
+		 FooScrollAreaEvent *event,
+		 gpointer data)
+{
+    Output *output = data;
+    App *app = g_object_get_data (G_OBJECT (area), "app");
+
+    if (event->type == FOO_BUTTON_PRESS)
+    {
+	app->current_output = output;
+
+	rebuild_gui (app);
+	
+	foo_scroll_area_invalidate (area);
+    }
+}
+
+#if 0
+static void
+on_canvas_event (FooScrollArea *area,
+		 FooScrollAreaEvent *event,
+		 gpointer data)
+{
+    App *app = g_object_get_data (G_OBJECT (area), "app");
+    
+    if (event->type == FOO_BUTTON_PRESS)
+    {
+	app->current_output = NULL;
+
+	rebuild_gui (app);
+
+	foo_scroll_area_invalidate (area);
+    }
+}
+#endif
+
+static PangoLayout *
+get_display_name (App *app,
+		  Output *output)
+{
+    return gtk_widget_create_pango_layout (
+	GTK_WIDGET (app->area), output->display_name);
+}
+
+static void
+get_geometry (Output *output, int *w, int *h)
+{
+    if (output->on)
+    {
+	*h = output->height;
+	*w = output->width;
+    }
+    else
+    {
+	*h = output->pref_height;
+	*w = output->pref_width;
+    }
+}
+
+static void
+on_area_paint (FooScrollArea *area,
+	       cairo_t	     *cr,
+	       GdkRectangle  *extent,
+	       GdkRegion     *region,
+	       gpointer	      data)
+{
+    App *app = data;
+    GdkRectangle viewport;
+    int i;
+    int available;
+    int total_pixels;
+    int max_height;
+    double scale;
+    GList *connected_outputs = NULL;
+    GList *list;
+    int n_monitors;
+
+    foo_scroll_area_get_viewport (area, &viewport);
+
+    cairo_set_source_rgba (cr, 0.72, 0.78, 0.87, 1.0);
+
+    cairo_rectangle (cr,
+		     viewport.x, viewport.y,
+		     viewport.width, viewport.height);
+
+    cairo_fill_preserve (cr);
+
+#if 0
+    foo_scroll_area_add_input_from_fill (area, cr, on_canvas_event, NULL);
+#endif
+    
+    cairo_set_source_rgba (cr, 0.44, 0.59, 0.76, 1.0);
+
+    cairo_stroke (cr);
+
+    if (!app->current_configuration)
+	return;
+    
+#define SPACE 36
+#define MARGIN  24
+
+    for (i = 0; app->current_configuration->outputs[i] != NULL; ++i)
+    {
+	Output *output = app->current_configuration->outputs[i];
+
+	if (output->connected)
+	    connected_outputs = g_list_prepend (connected_outputs, output);
+    }
+
+    connected_outputs = g_list_reverse (connected_outputs);
+    
+    n_monitors = g_list_length (connected_outputs);
+
+    available = viewport.width - 2 * MARGIN - (n_monitors - 1) * SPACE;
+
+    total_pixels = 0;
+    max_height = 0;
+    for (list = connected_outputs; list != NULL; list = list->next)
+    {
+	Output *output = list->data;
+	int w, h;
+
+	get_geometry (output, &w, &h);
+	
+	total_pixels += w;
+	max_height = MAX (max_height, h);
+    }
+
+    scale = (double)available / total_pixels;
+
+    scale = MIN ((double)(viewport.height - 2 * MARGIN) / max_height, scale);
+    
+    int x = MARGIN;
+    for (list = connected_outputs; list != NULL; list = list->next)
+    {
+	Output *output = list->data;
+	PangoLayout *layout = get_display_name (app, output);
+	int w, h;
+
+	get_geometry (output, &w, &h);
+	
+	w = w * scale + 0.5;
+#if 0
+	g_print ("%s (%p) geometry %d %d %d\n", output->name, output,
+		 w, h, output->rate);
+#endif
+	
+	cairo_rectangle (cr, x, MARGIN, w, (int)(
+			     h * scale + 0.5));
+
+	if (output->on)
+	    cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0);
+	else
+	    cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 1.0);
+
+	cairo_fill_preserve (cr);
+
+	foo_scroll_area_add_input_from_fill (area, cr, on_output_event,
+					     output);
+	
+	if (output == app->current_output)
+	{
+	    cairo_set_line_width (cr, 4);
+	    cairo_set_source_rgba (cr, 0.33, 0.43, 0.57, 1.0);
+	}
+	else
+	{
+	    cairo_set_line_width (cr, 1);
+	    cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
+	}
+	cairo_stroke (cr);
+	cairo_set_line_width (cr, 2);
+
+	cairo_move_to (cr, x + 40, MARGIN + 40);
+	cairo_set_source_rgb (cr, 0.2, 0.2, 0.8);
+	layout_set_font (layout, "Sans Bold 18");
+	pango_cairo_show_layout (cr, layout);
+	g_object_unref (layout);
+	
+	x += w + SPACE;
+    }
+}
+
+static void
+make_text_combo (GtkWidget *widget, int sort_column)
+{
+    GtkComboBox *box = GTK_COMBO_BOX (widget);
+    GtkListStore *store = gtk_list_store_new (
+	6,
+	G_TYPE_STRING,		/* Text */
+	G_TYPE_INT,		/* Width */	
+	G_TYPE_INT,		/* Height */
+	G_TYPE_INT,		/* Frequency */
+	G_TYPE_INT,		/* Width * Height */
+	G_TYPE_INT);		/* Rotation */
+	
+    GtkCellRenderer *cell;
+
+    gtk_cell_layout_clear (GTK_CELL_LAYOUT (widget));
+    
+    gtk_combo_box_set_model (box, GTK_TREE_MODEL (store));
+
+    cell = gtk_cell_renderer_text_new ();
+    gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (box), cell, TRUE);
+    gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (box), cell,
+				    "text", 0,
+				    NULL);
+
+    if (sort_column != -1)
+    {
+	gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
+					      sort_column,
+					      GTK_SORT_DESCENDING);
+    }
+}
+
+static Atom
+gnome_randr_atom (void)
+{
+    static Atom atom = None;
+
+    if (!atom)
+    {
+	atom = XInternAtom (gdk_x11_get_default_xdisplay(),
+			    "_GNOME_RANDR_ATOM", FALSE);
+    }
+
+    return atom;
+}
+
+static void
+apply (App *app)
+{
+    GError *err = NULL;
+    
+    if (configuration_save (app->current_configuration, &err))
+    {
+	XEvent message;
+
+	message.xclient.type = ClientMessage;
+	message.xclient.message_type = gnome_randr_atom();
+	message.xclient.format = 8;
+
+	g_print ("Sending client message\n");
+
+	XSendEvent (gdk_x11_get_default_xdisplay(),
+		    gdk_x11_get_default_root_xwindow(),
+		    FALSE,
+		    StructureNotifyMask, &message);
+    }
+}
+
+static void
+run_application (App *app)
+{
+#ifndef GLADEDIR
+#define GLADEDIR "."
+#endif
+#define GLADE_FILE GLADEDIR "/display-capplet.glade"
+    GladeXML *xml;
+    GtkWidget *align;
+
+    xml = glade_xml_new (GLADE_FILE, NULL, NULL);
+    if (!xml)
+    {
+	g_warning ("Could not open " GLADE_FILE);
+	return;
+    }
+    
+    app->screen = rw_screen_new (gdk_screen_get_default(),
+				 on_screen_changed, app);
+
+    app->dialog = glade_xml_get_widget (xml, "dialog");
+
+    app->resolution_combo = glade_xml_get_widget (xml, "resolution_combo");
+    g_signal_connect (app->resolution_combo, "changed",
+		      G_CALLBACK (on_resolution_changed), app);
+
+    app->refresh_combo = glade_xml_get_widget (xml, "refresh_combo");
+    g_signal_connect (app->refresh_combo, "changed",
+		      G_CALLBACK (on_rate_changed), app);
+
+    app->rotation_combo = glade_xml_get_widget (xml, "rotation_combo");
+    g_signal_connect (app->rotation_combo, "changed",
+		      G_CALLBACK (on_rotation_changed), app);
+
+    app->clone_checkbox = glade_xml_get_widget (xml, "clone_checkbox");
+    g_signal_connect (app->clone_checkbox, "toggled",
+		      G_CALLBACK (on_clone_changed), app);
+
+    app->panel_checkbox = glade_xml_get_widget (xml, "panel_checkbox");
+    app->panel_label = glade_xml_get_widget (xml, "panel_label");
+
+    make_text_combo (app->resolution_combo, 4);
+    make_text_combo (app->refresh_combo, 3);
+    make_text_combo (app->rotation_combo, -1);
+    
+    g_assert (app->panel_checkbox);
+    
+    /* Scroll Area */
+    app->area = (GtkWidget *)foo_scroll_area_new ();
+
+    g_object_set_data (G_OBJECT (app->area), "app", app);
+    
+    /* FIXME: this should be computed dynamically */
+    foo_scroll_area_set_min_size (FOO_SCROLL_AREA (app->area), -1, 200);
+    gtk_widget_show (app->area);
+    g_signal_connect (app->area, "paint",
+		      G_CALLBACK (on_area_paint), app);
+    g_signal_connect (app->area, "viewport_changed",
+		      G_CALLBACK (on_viewport_changed), app);
+
+    align = glade_xml_get_widget (xml, "align");
+
+    gtk_container_add (GTK_CONTAINER (align), app->area);
+
+    on_screen_changed (app->screen, app);
+    rebuild_gui (app);
+
+    gtk_widget_hide (app->panel_checkbox);
+    gtk_widget_hide (app->panel_label);
+    
+restart:
+    switch (gtk_dialog_run (GTK_DIALOG (app->dialog)))
+    {
+    default:
+	g_print ("Unknown response\n");
+	/* Fall Through */
+    case GTK_RESPONSE_DELETE_EVENT:
+    case GTK_RESPONSE_CLOSE:
+	g_print ("Close\n");
+	break;
+
+    case GTK_RESPONSE_HELP:
+	g_print ("Help\n");
+	goto restart;
+	break;
+
+    case GTK_RESPONSE_APPLY:
+	apply (app);
+	goto restart;
+	break;
+    }
+
+    gtk_widget_destroy (app->dialog);
+}
+
+int
+main (int argc, char **argv)
+{
+    App *app;
+    
+#if 0
+    bindtextdomain (GETTEXT_PACKAGE, DESKTOPEFFECTSLOCALEDIR);
+    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+    textdomain (GETTEXT_PACKAGE);
+#endif
+    
+    gtk_init (&argc, &argv);
+
+    app = g_new0 (App, 1);
+
+    run_application (app);
+    
+    return 0;
+}
diff -up gnome-control-center-2.21.92/capplets/display/Makefile.am.add-randr12-capplet gnome-control-center-2.21.92/capplets/display/Makefile.am
--- gnome-control-center-2.21.92/capplets/display/Makefile.am.add-randr12-capplet	2007-12-21 20:25:10.000000000 -0500
+++ gnome-control-center-2.21.92/capplets/display/Makefile.am	2008-03-02 17:35:56.000000000 -0500
@@ -1,9 +1,18 @@
 # This is used in GNOMECC_CAPPLETS_CFLAGS
 cappletname = display
 
+gladedir = $(pkgdatadir)/glade
+dist_glade_DATA = display-capplet.glade
+
 bin_PROGRAMS = gnome-display-properties
 
-gnome_display_properties_SOURCES = main.c
+gnome_display_properties_SOURCES = \
+	xrandr-capplet.c	   \
+        scrollarea.c               \
+        foo-marshal.c		   \
+        scrollarea.h               \
+        foo-marshal.h	
+
 gnome_display_properties_LDFLAGS = -export-dynamic
 gnome_display_properties_LDADD = \
 	$(DISPLAY_CAPPLET_LIBS) \
diff -up /dev/null gnome-control-center-2.21.92/capplets/display/scrollarea.h
--- /dev/null	2008-02-19 17:35:05.543056439 -0500
+++ gnome-control-center-2.21.92/capplets/display/scrollarea.h	2008-03-02 17:36:13.000000000 -0500
@@ -0,0 +1,107 @@
+#include <cairo/cairo.h>
+#include <gtk/gtk.h>
+
+#define FOO_TYPE_SCROLL_AREA            (foo_scroll_area_get_type ())
+#define FOO_SCROLL_AREA(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), FOO_TYPE_SCROLL_AREA, FooScrollArea))
+#define FOO_SCROLL_AREA_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  FOO_TYPE_SCROLL_AREA, FooScrollAreaClass))
+#define FOO_IS_SCROLL_AREA(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), FOO_TYPE_SCROLL_AREA))
+#define FOO_IS_SCROLL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  FOO_TYPE_SCROLL_AREA))
+#define FOO_SCROLL_AREA_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  FOO_TYPE_SCROLL_AREA, FooScrollAreaClass))
+
+typedef struct FooScrollArea FooScrollArea;
+typedef struct FooScrollAreaClass FooScrollAreaClass;
+typedef struct FooScrollAreaPrivate FooScrollAreaPrivate;
+typedef struct FooScrollAreaEvent FooScrollAreaEvent;
+
+typedef enum
+{
+    FOO_BUTTON_PRESS,
+    FOO_BUTTON_RELEASE,
+    FOO_MOTION
+} FooScrollAreaEventType;
+
+struct FooScrollAreaEvent
+{
+    FooScrollAreaEventType	type;
+    int				x;
+    int				y;
+};
+
+typedef void (* FooScrollAreaEventFunc) (FooScrollArea      *area,
+					 FooScrollAreaEvent *event,
+					 gpointer            data);
+
+struct FooScrollArea
+{
+    GtkContainer parent_instance;
+
+    FooScrollAreaPrivate *priv;
+};
+
+struct FooScrollAreaClass
+{
+    GtkContainerClass parent_class;
+
+    void (*set_scroll_adjustments) (FooScrollArea *scroll_area,
+				    GtkAdjustment *hadjustment,
+				    GtkAdjustment *vadjustment);
+
+    void (*viewport_changed) (FooScrollArea *scroll_area,
+			      GdkRectangle  *old_viewport,
+			      GdkRectangle  *new_viewport);
+
+    void (*paint) (FooScrollArea *scroll_area,
+		   cairo_t       *cr,
+		   GdkRectangle  *extents,
+		   GdkRegion     *region);
+};
+
+GType foo_scroll_area_get_type (void);
+
+FooScrollArea *foo_scroll_area_new (void);
+
+/* Set the requisition for the widget. */
+void	      foo_scroll_area_set_min_size (FooScrollArea *scroll_area,
+					    int		   min_width,
+					    int            min_height);
+
+/* Set how much of the canvas can be scrolled into view */
+void	      foo_scroll_area_set_size (FooScrollArea	       *scroll_area,
+					int			width,
+					int			height);
+void	      foo_scroll_area_set_size_fixed_y (FooScrollArea  *scroll_area,
+						int		width,
+						int		height,
+						int		old_y,
+						int		new_y);
+void	      foo_scroll_area_set_viewport_pos (FooScrollArea  *scroll_area,
+						int		x,
+						int		y);
+void	      foo_scroll_area_get_viewport (FooScrollArea *scroll_area,
+					    GdkRectangle  *viewport);
+void          foo_scroll_area_add_input_from_stroke (FooScrollArea           *scroll_area,
+						     cairo_t	                *cr,
+						     FooScrollAreaEventFunc   func,
+						     gpointer                 data);
+void          foo_scroll_area_add_input_from_fill (FooScrollArea *scroll_area,
+						      cairo_t	      *cr,
+						      FooScrollAreaEventFunc func,
+						      gpointer       data);
+void          foo_scroll_area_invalidate_region (FooScrollArea *area,
+						 GdkRegion     *region);
+void	      foo_scroll_area_invalidate (FooScrollArea *scroll_area);
+void	      foo_scroll_area_invalidate_rect (FooScrollArea *scroll_area,
+					       int	      x,
+					       int	      y,
+					       int	      width,
+					       int	      height);
+void foo_scroll_area_begin_grab (FooScrollArea *scroll_area,
+				 FooScrollAreaEventFunc func,
+				 gpointer       input_data);
+void foo_scroll_area_end_grab (FooScrollArea *scroll_area);
+gboolean foo_scroll_area_is_grabbed (FooScrollArea *scroll_area);
+
+void foo_scroll_area_begin_auto_scroll (FooScrollArea *scroll_area);
+void foo_scroll_area_auto_scroll (FooScrollArea *scroll_area,
+				  FooScrollAreaEvent *event);
+void foo_scroll_area_end_auto_scroll (FooScrollArea *scroll_area);
diff -up /dev/null gnome-control-center-2.21.92/capplets/display/foo-marshal.h
--- /dev/null	2008-02-19 17:35:05.543056439 -0500
+++ gnome-control-center-2.21.92/capplets/display/foo-marshal.h	2008-03-02 17:36:13.000000000 -0500
@@ -0,0 +1,63 @@
+
+#ifndef __foo_marshal_MARSHAL_H__
+#define __foo_marshal_MARSHAL_H__
+
+#include	<glib-object.h>
+
+G_BEGIN_DECLS
+
+/* VOID:OBJECT,OBJECT (marshal.list:1) */
+extern void foo_marshal_VOID__OBJECT_OBJECT (GClosure     *closure,
+                                             GValue       *return_value,
+                                             guint         n_param_values,
+                                             const GValue *param_values,
+                                             gpointer      invocation_hint,
+                                             gpointer      marshal_data);
+
+/* VOID:UINT,UINT,UINT,UINT (marshal.list:2) */
+extern void foo_marshal_VOID__UINT_UINT_UINT_UINT (GClosure     *closure,
+                                                   GValue       *return_value,
+                                                   guint         n_param_values,
+                                                   const GValue *param_values,
+                                                   gpointer      invocation_hint,
+                                                   gpointer      marshal_data);
+
+/* VOID:UINT,UINT (marshal.list:3) */
+extern void foo_marshal_VOID__UINT_UINT (GClosure     *closure,
+                                         GValue       *return_value,
+                                         guint         n_param_values,
+                                         const GValue *param_values,
+                                         gpointer      invocation_hint,
+                                         gpointer      marshal_data);
+
+/* VOID:BOXED (marshal.list:4) */
+#define foo_marshal_VOID__BOXED	g_cclosure_marshal_VOID__BOXED
+
+/* VOID:BOXED,BOXED (marshal.list:5) */
+extern void foo_marshal_VOID__BOXED_BOXED (GClosure     *closure,
+                                           GValue       *return_value,
+                                           guint         n_param_values,
+                                           const GValue *param_values,
+                                           gpointer      invocation_hint,
+                                           gpointer      marshal_data);
+
+/* VOID:POINTER,BOXED,POINTER (marshal.list:6) */
+extern void foo_marshal_VOID__POINTER_BOXED_POINTER (GClosure     *closure,
+                                                     GValue       *return_value,
+                                                     guint         n_param_values,
+                                                     const GValue *param_values,
+                                                     gpointer      invocation_hint,
+                                                     gpointer      marshal_data);
+
+/* VOID:POINTER,POINTER (marshal.list:7) */
+extern void foo_marshal_VOID__POINTER_POINTER (GClosure     *closure,
+                                               GValue       *return_value,
+                                               guint         n_param_values,
+                                               const GValue *param_values,
+                                               gpointer      invocation_hint,
+                                               gpointer      marshal_data);
+
+G_END_DECLS
+
+#endif /* __foo_marshal_MARSHAL_H__ */
+
diff -up /dev/null gnome-control-center-2.21.92/capplets/display/scrollarea.c
--- /dev/null	2008-02-19 17:35:05.543056439 -0500
+++ gnome-control-center-2.21.92/capplets/display/scrollarea.c	2008-03-02 17:36:13.000000000 -0500
@@ -0,0 +1,1902 @@
+#include <gdk/gdkprivate.h> /* For GDK_PARENT_RELATIVE_BG */
+#include "scrollarea.h"
+#include "foo-marshal.h"
+
+G_DEFINE_TYPE (FooScrollArea, foo_scroll_area, GTK_TYPE_CONTAINER);
+
+static GtkWidgetClass *parent_class;
+
+typedef struct BackingStore BackingStore;
+
+typedef void (* ExposeFunc) (cairo_t *cr, GdkRegion *region, gpointer data);
+
+#if 0
+static void          backing_store_draw (BackingStore *store, 
+					 GdkDrawable *dest,
+					 GdkRegion *clip,
+					 int dest_x,
+					 int dest_y);
+static void          backing_store_scroll (BackingStore *store,
+					   int dx, int dy);
+static void          backing_store_invalidate_rect (BackingStore *store,
+						    GdkRectangle *rect);
+static void          backing_store_invalidate_region (BackingStore *store,
+						      GdkRegion *region);
+static void          backing_store_invalidate_all (BackingStore *store);
+static BackingStore *backing_store_new (GdkWindow *window,
+					int width, int height);
+static void          backing_store_resize (BackingStore *store,
+					   int width, int height);
+static void          backing_store_process_updates (BackingStore *store,
+						    ExposeFunc func,
+						    gpointer data);
+static void	     backing_store_free (BackingStore *store);
+#endif
+
+typedef struct InputPath InputPath;
+typedef struct InputRegion InputRegion;
+typedef struct AutoScrollInfo AutoScrollInfo;
+
+struct InputPath
+{
+    gboolean			is_stroke;
+    cairo_fill_rule_t		fill_rule;
+    double			line_width;
+    cairo_path_t	       *path;		/* In canvas coordinates */
+
+    FooScrollAreaEventFunc	func;
+    gpointer			data;
+
+    InputPath		       *next;
+};
+
+/* InputRegions are mutually disjoint */
+struct InputRegion
+{
+    GdkRegion *region;		/* the boundary of this area in canvas coordinates */
+    InputPath *paths;
+};
+
+struct AutoScrollInfo
+{
+    int				dx;
+    int				dy;
+    int				timeout_id;
+    int				begin_x;
+    int				begin_y;
+    double			res_x;
+    double			res_y;
+    GTimer		       *timer;
+};
+
+struct FooScrollAreaPrivate
+{
+    GdkWindow		       *input_window;
+    
+    int				width;
+    int				height;
+    
+    GtkAdjustment	       *hadj;
+    GtkAdjustment	       *vadj;
+    int			        x_offset;
+    int				y_offset;
+    
+    int				min_width;
+    int				min_height;
+
+    GPtrArray		       *input_regions;
+    
+    AutoScrollInfo	       *auto_scroll_info;
+    
+    /* During expose, this region is set to the region
+     * being exposed. At other times, it is NULL
+     *
+     * It is used for clipping of input areas
+     */
+    GdkRegion		       *expose_region;
+    InputRegion		       *current_input;
+    
+    gboolean			grabbed;
+    FooScrollAreaEventFunc	grab_func;
+    gpointer			grab_data;
+
+    GdkPixmap		       *pixmap;
+    GdkRegion		       *update_region;		/* In canvas coordinates */
+};
+
+enum
+{
+    VIEWPORT_CHANGED,
+    PAINT,
+    INPUT,
+    LAST_SIGNAL,
+};
+
+static guint signals [LAST_SIGNAL] = { 0 };
+
+static void foo_scroll_area_size_request (GtkWidget *widget,
+					  GtkRequisition *requisition);
+static gboolean foo_scroll_area_expose (GtkWidget *widget,
+					GdkEventExpose *expose);
+static void foo_scroll_area_size_allocate (GtkWidget *widget,
+					   GtkAllocation *allocation);
+static void foo_scroll_area_set_scroll_adjustments (FooScrollArea *scroll_area,
+						    GtkAdjustment    *hadjustment,
+						    GtkAdjustment    *vadjustment);
+static void foo_scroll_area_realize (GtkWidget *widget);
+static void foo_scroll_area_unrealize (GtkWidget *widget);
+static void foo_scroll_area_map (GtkWidget *widget);
+static void foo_scroll_area_unmap (GtkWidget *widget);
+static gboolean foo_scroll_area_button_press (GtkWidget *widget,
+					      GdkEventButton *event);
+static gboolean foo_scroll_area_button_release (GtkWidget *widget,
+						GdkEventButton *event);
+static gboolean foo_scroll_area_motion (GtkWidget *widget,
+					GdkEventMotion *event);
+
+static void
+foo_scroll_area_map (GtkWidget *widget)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    
+    GTK_WIDGET_CLASS (parent_class)->map (widget);
+    
+    if (area->priv->input_window)
+	gdk_window_show (area->priv->input_window);
+}
+
+static void
+foo_scroll_area_unmap (GtkWidget *widget)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    
+    if (area->priv->input_window)
+	gdk_window_hide (area->priv->input_window);
+    
+    GTK_WIDGET_CLASS (parent_class)->unmap (widget);
+}
+
+static void
+foo_scroll_area_finalize (GObject *object)
+{
+    FooScrollArea *scroll_area = FOO_SCROLL_AREA (object);
+    
+    g_object_unref (scroll_area->priv->hadj);
+    g_object_unref (scroll_area->priv->vadj);
+    
+    g_ptr_array_free (scroll_area->priv->input_regions, TRUE);
+    
+    g_free (scroll_area->priv);
+
+    G_OBJECT_CLASS (foo_scroll_area_parent_class)->finalize (object);
+}
+
+static void
+foo_scroll_area_class_init (FooScrollAreaClass *class)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (class);
+    GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+    
+    object_class->finalize = foo_scroll_area_finalize;
+    widget_class->size_request = foo_scroll_area_size_request;
+    widget_class->expose_event = foo_scroll_area_expose;
+    widget_class->size_allocate = foo_scroll_area_size_allocate;
+    widget_class->realize = foo_scroll_area_realize;
+    widget_class->unrealize = foo_scroll_area_unrealize;
+    widget_class->button_press_event = foo_scroll_area_button_press;
+    widget_class->button_release_event = foo_scroll_area_button_release;
+    widget_class->motion_notify_event = foo_scroll_area_motion;
+    widget_class->map = foo_scroll_area_map;
+    widget_class->unmap = foo_scroll_area_unmap;
+    
+    class->set_scroll_adjustments = foo_scroll_area_set_scroll_adjustments;
+    
+    parent_class = g_type_class_peek_parent (class);
+    
+    signals[VIEWPORT_CHANGED] =
+	g_signal_new ("viewport_changed",
+		      G_OBJECT_CLASS_TYPE (object_class),
+		      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+		      G_STRUCT_OFFSET (FooScrollAreaClass,
+				       viewport_changed),
+		      NULL, NULL,
+		      foo_marshal_VOID__BOXED_BOXED,
+		      G_TYPE_NONE, 2,
+		      GDK_TYPE_RECTANGLE,
+		      GDK_TYPE_RECTANGLE);
+    
+    signals[PAINT] =
+	g_signal_new ("paint",
+		      G_OBJECT_CLASS_TYPE (object_class),
+		      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+		      G_STRUCT_OFFSET (FooScrollAreaClass,
+				       paint),
+		      NULL, NULL,
+		      foo_marshal_VOID__POINTER_BOXED_POINTER,
+		      G_TYPE_NONE, 3,
+		      G_TYPE_POINTER,
+		      GDK_TYPE_RECTANGLE, 
+		      G_TYPE_POINTER);
+    
+    widget_class->set_scroll_adjustments_signal =
+	g_signal_new ("set_scroll_adjustments",
+		      G_OBJECT_CLASS_TYPE (object_class),
+		      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+		      G_STRUCT_OFFSET (FooScrollAreaClass,
+				       set_scroll_adjustments),
+		      NULL, NULL,
+		      foo_marshal_VOID__OBJECT_OBJECT,
+		      G_TYPE_NONE, 2,
+		      GTK_TYPE_ADJUSTMENT,
+		      GTK_TYPE_ADJUSTMENT);
+}
+
+static GtkAdjustment *
+new_adjustment (void)
+{
+    return GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
+}
+
+static void
+foo_scroll_area_init (FooScrollArea *scroll_area)
+{
+    GTK_WIDGET_SET_FLAGS (scroll_area, GTK_NO_WINDOW);
+    
+    gtk_widget_set_redraw_on_allocate (GTK_WIDGET (scroll_area), FALSE);
+    
+    scroll_area->priv = g_new0 (FooScrollAreaPrivate, 1);
+    scroll_area->priv->width = 0;
+    scroll_area->priv->height = 0;
+    scroll_area->priv->hadj = g_object_ref_sink (new_adjustment());
+    scroll_area->priv->vadj = g_object_ref_sink (new_adjustment());
+    scroll_area->priv->x_offset = 0.0;
+    scroll_area->priv->y_offset = 0.0;
+    scroll_area->priv->min_width = -1;
+    scroll_area->priv->min_height = -1;
+    scroll_area->priv->auto_scroll_info = NULL;
+    scroll_area->priv->input_regions = g_ptr_array_new ();
+    scroll_area->priv->pixmap = NULL;
+    scroll_area->priv->update_region = gdk_region_new ();
+
+    gtk_widget_set_double_buffered (GTK_WIDGET (scroll_area), FALSE);
+}
+
+static void
+translate_cairo_device (cairo_t       *cr,
+			int            x_offset,
+			int            y_offset)
+{
+    cairo_surface_t *surface = cairo_get_target (cr);
+    double dev_x;
+    double dev_y;
+    
+    cairo_surface_get_device_offset (surface, &dev_x, &dev_y);
+    dev_x += x_offset;
+    dev_y += y_offset;
+    cairo_surface_set_device_offset (surface, dev_x, dev_y);
+}
+
+#if 0
+static void
+print_region (const char *header, GdkRegion *region)
+{
+    GdkRectangle *rects;
+    int n_rects;
+    int i;
+    
+    g_print ("%s\n", header);
+    
+    gdk_region_get_rectangles (region, &rects, &n_rects);
+    for (i = 0; i < n_rects; ++i)
+    {
+	GdkRectangle *rect = &(rects[i]);
+	g_print ("  %d %d %d %d\n",
+		 rect->x, rect->y, rect->width, rect->height);
+    }
+}
+#endif
+
+typedef void (* PathForeachFunc) (double  *x,
+				  double  *y,
+				  gpointer data);
+
+static void
+path_foreach_point (cairo_path_t     *path,
+		    PathForeachFunc   func,
+		    gpointer	      user_data)
+{
+    int i;
+    
+    for (i = 0; i < path->num_data; i += path->data[i].header.length)
+    {
+	cairo_path_data_t *data = &(path->data[i]);
+	
+	switch (data->header.type)
+	{
+	case CAIRO_PATH_MOVE_TO:
+	case CAIRO_PATH_LINE_TO:
+	    func (&(data[1].point.x), &(data[1].point.y), user_data);
+	    break;
+	    
+	case CAIRO_PATH_CURVE_TO:
+	    func (&(data[1].point.x), &(data[1].point.y), user_data);
+	    func (&(data[2].point.x), &(data[2].point.y), user_data);
+	    func (&(data[3].point.x), &(data[3].point.y), user_data);
+	    break;
+	    
+	case CAIRO_PATH_CLOSE_PATH:
+	    break;
+	}
+    }
+}
+
+typedef struct
+{
+    double x1, y1, x2, y2;
+} Box;
+
+#if 0
+static void
+update_box (double *x, double *y, gpointer data)
+{
+    Box *box = data;
+    
+    if (*x < box->x1)
+	box->x1 = *x;
+
+    if (*y < box->y1)
+	box->y1 = *y;
+
+    if (*y > box->y2)
+	box->y2 = *y;
+    
+    if (*x > box->x2)
+	box->x2 = *x;
+}
+#endif
+
+#if 0
+static void
+path_compute_extents (cairo_path_t *path,
+		      GdkRectangle *rect)
+{
+    if (rect)
+    {
+	Box box = { G_MAXDOUBLE, G_MAXDOUBLE, G_MINDOUBLE, G_MINDOUBLE };
+
+	path_foreach_point (path, update_box, &box);
+
+	rect->x = box.x1;
+	rect->y = box.y1;
+	rect->width = box.x2 - box.x1;
+	rect->height = box.y2 - box.y1;
+    }
+}
+#endif
+
+static void
+input_path_free_list (InputPath *paths)
+{
+    if (!paths)
+	return;
+
+    input_path_free_list (paths->next);
+    cairo_path_destroy (paths->path);
+    g_free (paths);
+}
+
+static void
+input_region_free (InputRegion *region)
+{
+    input_path_free_list (region->paths);
+    gdk_region_destroy (region->region);
+
+    g_free (region);
+}
+
+static void
+get_viewport (FooScrollArea *scroll_area,
+	      GdkRectangle  *viewport)
+{
+    GtkWidget *widget = GTK_WIDGET (scroll_area);
+    
+    viewport->x = scroll_area->priv->x_offset;
+    viewport->y = scroll_area->priv->y_offset;
+    viewport->width = widget->allocation.width;
+    viewport->height = widget->allocation.height;
+}
+
+static void
+allocation_to_canvas (FooScrollArea *area,
+		      int           *x,
+		      int           *y)
+{
+    *x += area->priv->x_offset;
+    *y += area->priv->y_offset;
+}
+
+static void
+clear_exposed_input_region (FooScrollArea *area,
+			    GdkRegion *exposed)	/* in canvas coordinates */
+{
+    int i;
+    GdkRegion *viewport;
+    GdkRectangle allocation;
+
+    allocation = GTK_WIDGET (area)->allocation;
+    allocation.x = 0;
+    allocation.y = 0;
+    allocation_to_canvas (area, &allocation.x, &allocation.y);
+    viewport = gdk_region_rectangle (&allocation);
+    gdk_region_subtract (viewport, exposed);
+    
+    for (i = 0; i < area->priv->input_regions->len; ++i)
+    {
+	InputRegion *region = area->priv->input_regions->pdata[i];
+
+	gdk_region_intersect (region->region, viewport);
+
+	if (gdk_region_empty (region->region))
+	{
+	    input_region_free (region);
+	    g_ptr_array_remove_index_fast (area->priv->input_regions, i--);
+	}
+    }
+
+    gdk_region_destroy (viewport);
+    
+#if 0
+	path = region->paths;
+	while (path != NULL)
+	{
+	    GdkRectangle rect;
+
+	    path_compute_extents (path->path, &rect);
+
+	    if (gdk_region_rect_in (area->priv->expose_region, &rect) == GDK_OVERLAP_RECTANGLE_IN)
+		g_print ("we would have deleted it\n");
+#if 0
+	    else
+		g_print ("nope (%d %d %d %d)\n", );
+#endif
+	    
+	    path = path->next;
+	}
+	
+	/* FIXME: we should also delete paths (and path segments)
+	 * completely contained in the expose_region
+	 */
+    }
+#endif
+}
+
+static void
+setup_background_cr (GdkWindow *window,
+		     cairo_t   *cr,
+		     int        x_offset,
+		     int        y_offset)
+{
+    GdkWindowObject *private = (GdkWindowObject *)window;
+    
+    if (private->bg_pixmap == GDK_PARENT_RELATIVE_BG && private->parent)
+    {
+	x_offset += private->x;
+	y_offset += private->y;
+	
+	setup_background_cr (GDK_WINDOW (private->parent), cr, x_offset, y_offset);
+    }
+    else if (private->bg_pixmap &&
+	     private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
+	     private->bg_pixmap != GDK_NO_BG)
+    {
+	gdk_cairo_set_source_pixmap (cr, private->bg_pixmap, -x_offset, -y_offset);
+    }
+    else
+    {
+	gdk_cairo_set_source_color (cr, &private->bg_color);
+    }
+}
+
+static void
+initialize_background (GtkWidget *widget,
+		       cairo_t   *cr)
+{
+    setup_background_cr (widget->window, cr, 0, 0);
+
+    cairo_paint (cr);
+}
+
+static void
+clip_to_region (cairo_t *cr, GdkRegion *region)
+{
+    int n_rects;
+    GdkRectangle *rects;
+
+    gdk_region_get_rectangles (region, &rects, &n_rects);
+
+    cairo_new_path (cr);
+    while (n_rects--)
+    {
+	GdkRectangle *rect = &(rects[n_rects]);
+
+	cairo_rectangle (cr, rect->x, rect->y, rect->width, rect->height);
+    }
+    cairo_clip (cr);
+
+    g_free (rects);
+}
+
+static void
+simple_draw_drawable (GdkDrawable *dst,
+		      GdkDrawable *src,
+		      int	   src_x,
+		      int	   src_y,
+		      int          dst_x,
+		      int          dst_y,
+		      int          width,
+		      int          height)
+{
+    GdkGC *gc = gdk_gc_new (dst);
+
+    gdk_draw_drawable (dst, gc, src, src_x, src_y, dst_x, dst_y, width, height);
+
+    g_object_unref (gc);
+}
+
+static gboolean
+foo_scroll_area_expose (GtkWidget *widget,
+			GdkEventExpose *expose)
+{
+    FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
+    cairo_t *cr;
+    GdkRectangle extents;
+    GdkRegion *region;
+    int x_offset, y_offset;
+    GdkGC *gc;
+    
+    /* I don't think expose can ever recurse for the same area */
+    g_assert (!scroll_area->priv->expose_region);
+    
+    /* Note that this function can be called at a time
+     * where the adj->value is different from x_offset. 
+     * Ie., the GtkScrolledWindow changed the adj->value
+     * without emitting the value_changed signal. 
+     *
+     * Hence we must always use the value we got 
+     * the last time the signal was emitted, ie.,
+     * priv->{x,y}_offset.
+     */
+    
+    x_offset = scroll_area->priv->x_offset;
+    y_offset = scroll_area->priv->y_offset;
+    
+    scroll_area->priv->expose_region = expose->region;
+
+    /* Setup input areas */
+    clear_exposed_input_region (scroll_area, scroll_area->priv->update_region);
+    
+    scroll_area->priv->current_input = g_new0 (InputRegion, 1);
+    scroll_area->priv->current_input->region = gdk_region_copy (scroll_area->priv->update_region);
+    scroll_area->priv->current_input->paths = NULL;
+    g_ptr_array_add (scroll_area->priv->input_regions,
+		     scroll_area->priv->current_input);
+
+    region = scroll_area->priv->update_region;
+    scroll_area->priv->update_region = gdk_region_new ();
+    
+    /* Create cairo context */
+    cr = gdk_cairo_create (scroll_area->priv->pixmap);
+    translate_cairo_device (cr, -x_offset, -y_offset);
+    clip_to_region (cr, region);
+    initialize_background (widget, cr);
+
+    /* Create regions */
+    gdk_region_get_clipbox (region, &extents);
+
+    g_signal_emit (widget, signals[PAINT], 0, cr, &extents, region);
+
+    /* Destroy stuff */
+    cairo_destroy (cr);
+    
+    scroll_area->priv->expose_region = NULL;
+    scroll_area->priv->current_input = NULL;
+
+    /* Finally draw the backing pixmap */
+    gc = gdk_gc_new (widget->window);
+    
+    gdk_gc_set_clip_region (gc, expose->region);
+
+    gdk_draw_drawable (widget->window, gc, scroll_area->priv->pixmap,
+		       0, 0, widget->allocation.x, widget->allocation.y,
+		       widget->allocation.width, widget->allocation.height);
+
+    g_object_unref (gc);
+    gdk_region_destroy (region);
+    
+    return TRUE;
+}
+
+void
+foo_scroll_area_get_viewport (FooScrollArea *scroll_area,
+			      GdkRectangle  *viewport)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+    
+    if (!viewport)
+	return;
+    
+    get_viewport (scroll_area, viewport);
+}
+
+static void
+process_event (FooScrollArea	       *scroll_area,
+	       FooScrollAreaEventType	input_type,
+	       int			x,
+	       int			y);
+
+static void
+emit_viewport_changed (FooScrollArea *scroll_area,
+		       GdkRectangle  *new_viewport,
+		       GdkRectangle  *old_viewport)
+{
+    int px, py;
+    g_signal_emit (scroll_area, signals[VIEWPORT_CHANGED], 0, 
+		   new_viewport, old_viewport);
+    
+    gdk_window_get_pointer (scroll_area->priv->input_window, &px, &py, NULL);
+    
+#if 0
+    g_print ("procc\n");
+#endif
+    
+    process_event (scroll_area, FOO_MOTION, px, py);
+}
+
+static void
+clamp_adjustment (GtkAdjustment *adj)
+{
+    double old_value = adj->value;
+    
+    if (adj->upper >= adj->page_size)
+	adj->value = CLAMP (adj->value, 0.0, adj->upper - adj->page_size);
+    else
+	adj->value = 0.0;
+    
+    if (old_value != adj->value)
+	gtk_adjustment_value_changed (adj);
+    
+    gtk_adjustment_changed (adj);
+}
+
+static gboolean
+set_adjustment_values (FooScrollArea *scroll_area)
+{
+    GtkAllocation *allocation = &GTK_WIDGET (scroll_area)->allocation;
+    
+    GtkAdjustment *hadj = scroll_area->priv->hadj;
+    GtkAdjustment *vadj = scroll_area->priv->vadj;
+    
+    /* Horizontal */
+    hadj->page_size = allocation->width;
+    hadj->step_increment = 0.1 * allocation->width;
+    hadj->page_increment = 0.9 * allocation->width;
+    hadj->lower = 0.0;
+    hadj->upper = scroll_area->priv->width;
+    
+    /* Vertical */
+    vadj->page_size = allocation->height;
+    vadj->step_increment = 0.1 * allocation->height;
+    vadj->page_increment = 0.9 * allocation->height;
+    vadj->lower = 0.0;
+    vadj->upper = scroll_area->priv->height;
+    
+    clamp_adjustment (hadj);
+    clamp_adjustment (vadj);
+    
+    return TRUE;
+}
+
+static void
+foo_scroll_area_realize (GtkWidget *widget)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    GdkWindowAttr attributes;
+    gint attributes_mask;
+    
+    GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+    
+    attributes.window_type = GDK_WINDOW_CHILD;
+    attributes.x = widget->allocation.x;
+    attributes.y = widget->allocation.y;
+    attributes.width = widget->allocation.width;
+    attributes.height = widget->allocation.height;
+    attributes.wclass = GDK_INPUT_ONLY;
+    attributes.event_mask = gtk_widget_get_events (widget);
+    attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
+			      GDK_BUTTON_RELEASE_MASK |
+			      GDK_BUTTON1_MOTION_MASK |
+			      GDK_BUTTON2_MOTION_MASK |
+			      GDK_BUTTON3_MOTION_MASK |
+			      GDK_POINTER_MOTION_MASK |
+			      GDK_ENTER_NOTIFY_MASK |
+			      GDK_LEAVE_NOTIFY_MASK);
+    
+    attributes_mask = GDK_WA_X | GDK_WA_Y;
+    
+    widget->window = gtk_widget_get_parent_window (widget);
+    g_object_ref (widget->window);
+    
+    area->priv->input_window = gdk_window_new (widget->window,
+					       &attributes, attributes_mask);
+    area->priv->pixmap = gdk_pixmap_new (widget->window, 
+					 widget->allocation.width,
+					 widget->allocation.height,
+					 -1);
+    gdk_window_set_user_data (area->priv->input_window, area);
+    
+    widget->style = gtk_style_attach (widget->style, widget->window);
+}
+
+static void
+foo_scroll_area_unrealize (GtkWidget *widget)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    
+    if (area->priv->input_window)
+    {
+	gdk_window_set_user_data (area->priv->input_window, NULL);
+	gdk_window_destroy (area->priv->input_window);
+	area->priv->input_window = NULL;
+    }
+    
+    GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
+}
+
+static GdkPixmap *
+create_new_pixmap (GtkWidget *widget,
+		   GdkPixmap *old)
+{
+    GdkPixmap *new = gdk_pixmap_new (widget->window,
+				     widget->allocation.width,
+				     widget->allocation.height,
+				     -1);
+
+    /* Unfortunately we don't know in which direction we were resized,
+     * so we just assume we were dragged from the south-east corner.
+     *
+     * Although, maybe we could get the root coordinates of the input-window?
+     * That might just work, actually. We need to make sure metacity uses
+     * static gravity for the window before this will be useful.
+     */
+    simple_draw_drawable (new, old, 0, 0, 0, 0, -1, -1);
+
+    return new;
+}
+		   
+static void
+allocation_to_canvas_region (FooScrollArea *area,
+			     GdkRegion *region)
+{
+    gdk_region_offset (region, area->priv->x_offset, area->priv->y_offset);
+}
+			     
+
+static void
+foo_scroll_area_size_allocate (GtkWidget     *widget,
+			       GtkAllocation *allocation)
+{
+    FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
+    GdkRectangle new_viewport;
+    GdkRectangle old_viewport;
+    GdkRegion *old_allocation;
+    GdkRegion *invalid;
+
+    get_viewport (scroll_area, &old_viewport);
+
+    old_allocation = gdk_region_rectangle (&widget->allocation);
+    gdk_region_offset (old_allocation,
+		       -widget->allocation.x, -widget->allocation.y);
+    invalid = gdk_region_rectangle (allocation);
+    gdk_region_offset (invalid, -allocation->x, -allocation->y);
+    gdk_region_subtract (invalid, old_allocation);
+    allocation_to_canvas_region (scroll_area, invalid);
+    foo_scroll_area_invalidate_region (scroll_area, invalid);
+    gdk_region_destroy (old_allocation);
+    gdk_region_destroy (invalid);
+
+    widget->allocation = *allocation;
+    
+    if (scroll_area->priv->input_window)
+    {
+	GdkPixmap *new_pixmap;
+	
+	gdk_window_move_resize (scroll_area->priv->input_window,
+				allocation->x, allocation->y,
+				allocation->width, allocation->height);
+
+	new_pixmap = create_new_pixmap (widget, scroll_area->priv->pixmap);
+
+	g_object_unref (scroll_area->priv->pixmap);
+
+	scroll_area->priv->pixmap = new_pixmap;
+    }
+    
+    get_viewport (scroll_area, &new_viewport);
+    
+    emit_viewport_changed (scroll_area, &new_viewport, &old_viewport);
+}
+
+static void
+emit_input (FooScrollArea *scroll_area,
+	    FooScrollAreaEventType type,
+	    int			   x,
+	    int			   y,
+	    FooScrollAreaEventFunc func,
+	    gpointer		data)
+{
+    FooScrollAreaEvent event;
+    
+    if (!func)
+	return;
+
+    if (type != FOO_MOTION)
+	emit_input (scroll_area, FOO_MOTION, x, y, func, data);
+    
+#if 0
+    x += scroll_area->priv->x_offset;
+    y += scroll_area->priv->y_offset;
+#endif
+    
+    event.type = type;
+    event.x = x;
+    event.y = y;
+    
+    func (scroll_area, &event, data);
+}
+
+#if 0
+static void
+print_path (const char *header,
+	    cairo_path_t *path)
+{
+    int i;
+
+    g_print ("%s\n", header);
+
+    for (i=0; i < path->num_data; i += path->data[i].header.length)
+    {
+	cairo_path_data_t *data = &(path->data[i]);
+	
+	switch (data->header.type)
+	{
+	case CAIRO_PATH_MOVE_TO:
+	    g_print ("move to:    %f, %f\n", data[1].point.x, data[1].point.y);
+	    break;
+	    
+	case CAIRO_PATH_LINE_TO:
+	    g_print ("line to:    %f, %f\n", data[1].point.x, data[1].point.y);
+	    break;
+	    
+	case CAIRO_PATH_CURVE_TO:
+	    g_print ("curve to:   %f, %f\n", data[1].point.x, data[1].point.y);
+	    g_print ("            %f, %f\n", data[1].point.x, data[1].point.y);
+	    g_print ("            %f, %f\n", data[1].point.x, data[1].point.y);
+	    break;
+	    
+	case CAIRO_PATH_CLOSE_PATH:
+	    break;
+	}
+    }
+}
+#endif
+
+static void
+process_event (FooScrollArea	       *scroll_area,
+	       FooScrollAreaEventType	input_type,
+	       int			x,
+	       int			y)
+{
+    GtkWidget *widget = GTK_WIDGET (scroll_area);
+    int i;
+
+    allocation_to_canvas (scroll_area, &x, &y);
+    
+    if (scroll_area->priv->grabbed)
+    {
+	emit_input (scroll_area, input_type, x, y,
+		    scroll_area->priv->grab_func,
+		    scroll_area->priv->grab_data);
+	return;
+    }
+
+    
+#if 0
+    x += widget->allocation.x;
+    y += widget->allocation.y;
+#endif
+
+#if 0
+    g_print ("number of input regions: %d\n", scroll_area->priv->input_regions->len);
+#endif
+    
+    for (i = 0; i < scroll_area->priv->input_regions->len; ++i)
+    {
+	InputRegion *region = scroll_area->priv->input_regions->pdata[i];
+
+#if 0
+	g_print ("%d ", i);
+	print_region ("region:", region->region);
+#endif
+	
+	if (gdk_region_point_in (region->region, x, y))
+	{
+	    InputPath *path;
+
+	    path = region->paths;
+	    while (path)
+	    {
+		cairo_t *cr;
+		gboolean inside;
+
+		cr = gdk_cairo_create (widget->window);
+		cairo_set_fill_rule (cr, path->fill_rule);
+		cairo_set_line_width (cr, path->line_width);
+		cairo_append_path (cr, path->path);
+
+		if (path->is_stroke)
+		    inside = cairo_in_stroke (cr, x, y);
+		else
+		    inside = cairo_in_fill (cr, x, y);
+
+		cairo_destroy (cr);
+		
+		if (inside)
+		{
+		    emit_input (scroll_area, input_type,
+				x, y,
+				path->func,
+				path->data);
+		    return;
+		}
+		
+		path = path->next;
+	    }
+
+	    /* Since the regions are all disjoint, no other region
+	     * can match. Of course we could be clever and try and
+	     * sort the regions, but so far I have been unable to
+	     * make this loop show up on a profile.
+	     */
+	    return;
+	}
+    }
+}
+
+static void
+process_gdk_event (FooScrollArea *scroll_area,
+		   int		  x,
+		   int	          y,
+		   GdkEvent      *event)
+{
+    FooScrollAreaEventType input_type;
+    
+    if (event->type == GDK_BUTTON_PRESS)
+	input_type = FOO_BUTTON_PRESS;
+    else if (event->type == GDK_BUTTON_RELEASE)
+	input_type = FOO_BUTTON_RELEASE;
+    else if (event->type == GDK_MOTION_NOTIFY)
+	input_type = FOO_MOTION;
+    else
+	return;
+    
+    process_event (scroll_area, input_type, x, y);
+}
+
+static gboolean
+foo_scroll_area_button_press (GtkWidget *widget,
+			      GdkEventButton *event)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    
+    process_gdk_event (area, event->x, event->y, (GdkEvent *)event);
+    
+    return TRUE;
+}
+
+static gboolean
+foo_scroll_area_button_release (GtkWidget *widget,
+				GdkEventButton *event)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    
+    process_gdk_event (area, event->x, event->y, (GdkEvent *)event);
+    
+    return FALSE;
+}
+
+static gboolean
+foo_scroll_area_motion (GtkWidget *widget,
+			GdkEventMotion *event)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (widget);
+    
+    process_gdk_event (area, event->x, event->y, (GdkEvent *)event);
+    return TRUE;
+}
+
+void
+foo_scroll_area_set_size_fixed_y (FooScrollArea	       *scroll_area,
+				  int			width,
+				  int			height,
+				  int			old_y,
+				  int			new_y)
+{
+    int dy = new_y - old_y;
+    
+    scroll_area->priv->width = width;
+    scroll_area->priv->height = height;
+    
+#if 0
+    g_print ("diff: %d\n", new_y - old_y);
+#endif
+    
+    scroll_area->priv->vadj->value += dy;
+    
+    set_adjustment_values (scroll_area);
+    
+    if (dy != 0)
+	gtk_adjustment_value_changed  (scroll_area->priv->vadj);
+}
+
+void
+foo_scroll_area_set_size (FooScrollArea	       *scroll_area,
+			  int			width,
+			  int			height)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+    
+    /* FIXME: Default scroll algorithm should probably be to
+     * keep the same *area* outside the screen as before.
+     *
+     * For wrapper widgets that will do something roughly
+     * right. For widgets that don't change size, it
+     * will do the right thing. Except for idle-layouting
+     * widgets.
+     *
+     * Maybe there should be some generic support for those
+     * widgets. Can that even be done?
+     *
+     * Should we have a version of this function using 
+     * fixed points?
+     */
+    
+    scroll_area->priv->width = width;
+    scroll_area->priv->height = height;
+    
+    set_adjustment_values (scroll_area);
+}
+
+static void
+foo_scroll_area_size_request (GtkWidget      *widget,
+			      GtkRequisition *requisition)
+{
+    FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
+    
+    requisition->width = scroll_area->priv->min_width;
+    requisition->height = scroll_area->priv->min_height;
+    
+#if 0
+    g_print ("request %d %d\n", requisition->width, requisition->height);
+#endif
+}
+
+#if 0
+static void
+translate_point (double *x, double *y, gpointer data)
+{
+    int *translation = data;
+
+    *x += translation[0];
+    *y += translation[1];
+}
+#endif
+
+#if 0
+static void
+path_translate (cairo_path_t  *path,
+		int	       dx,
+		int	       dy)
+{
+    int translation[2] = {dx, dy};
+    
+    path_foreach_point (path, translate_point, translation);
+}
+#endif
+
+static void
+translate_input_regions (FooScrollArea *scroll_area,
+			 int		dx,
+			 int		dy)
+{
+#if 0
+    int i;
+
+    for (i = 0; i < scroll_area->priv->input_regions->len; ++i)
+    {
+	InputRegion *region = scroll_area->priv->input_regions->pdata[i];
+	InputPath *path;
+	
+	gdk_region_offset (region->region, dx, dy);
+
+	path = region->paths;
+	while (path != NULL)
+	{
+	    path_translate (path->path, dx, dy);
+	    path = path->next;
+	}
+    }
+#endif
+}
+
+#if 0
+static void
+paint_region (FooScrollArea *area, GdkRegion *region)
+{
+    int n_rects;
+    GdkRectangle *rects;
+    region = gdk_region_copy (region);
+    
+    gdk_region_get_rectangles (region, &rects, &n_rects);
+
+    gdk_region_offset (region,
+		       GTK_WIDGET (area)->allocation.x,
+		       GTK_WIDGET (area)->allocation.y);
+
+    GdkGC *gc = gdk_gc_new (GTK_WIDGET (area)->window);
+    gdk_gc_set_clip_region (gc, region);
+    gdk_draw_rectangle (GTK_WIDGET (area)->window, gc, TRUE, 0, 0, -1, -1);
+    g_object_unref (gc);
+    g_free (rects);
+}
+#endif
+
+static void
+foo_scroll_area_scroll (FooScrollArea *area,
+			gint dx, 
+			gint dy)
+{
+    GdkRectangle allocation = GTK_WIDGET (area)->allocation;
+    GdkRectangle src_area;
+    GdkRectangle move_area;
+    GdkRegion *invalid_region;
+
+    allocation.x = 0;
+    allocation.y = 0;
+
+    src_area = allocation;
+    src_area.x -= dx;
+    src_area.y -= dy;
+
+    invalid_region = gdk_region_rectangle (&allocation);
+    
+    if (gdk_rectangle_intersect (&allocation, &src_area, &move_area))
+    {
+	GdkRegion *move_region;
+
+#if 0
+	g_print ("scrolling %d %d %d %d (%d %d)\n",
+		 move_area.x, move_area.y,
+		 move_area.width, move_area.height,
+		 dx, dy);
+#endif
+	
+	simple_draw_drawable (area->priv->pixmap, area->priv->pixmap,
+			      move_area.x, move_area.y,
+			      move_area.x + dx, move_area.y + dy,
+			      move_area.width, move_area.height);
+	gtk_widget_queue_draw (GTK_WIDGET (area));
+	
+	move_region = gdk_region_rectangle (&move_area);
+	gdk_region_offset (move_region, dx, dy);
+	gdk_region_subtract (invalid_region, move_region);
+	gdk_region_destroy (move_region);
+    }
+
+#if 0
+    paint_region (area, invalid_region);
+#endif
+    
+    allocation_to_canvas_region (area, invalid_region);
+
+    foo_scroll_area_invalidate_region (area, invalid_region);
+    
+    gdk_region_destroy (invalid_region);
+}
+
+static void
+foo_scrollbar_adjustment_changed (GtkAdjustment *adj,
+				  FooScrollArea *scroll_area)
+{
+    GtkWidget *widget = GTK_WIDGET (scroll_area);
+    gint dx = 0;
+    gint dy = 0;
+    GdkRectangle old_viewport, new_viewport;
+    
+    get_viewport (scroll_area, &old_viewport);
+    
+    if (adj == scroll_area->priv->hadj)
+    {
+	/* FIXME: do we treat the offset as int or double, and,
+	 * if int, how do we round?
+	 */
+	dx = (int)adj->value - scroll_area->priv->x_offset;
+	scroll_area->priv->x_offset = adj->value;
+    }
+    else if (adj == scroll_area->priv->vadj)
+    {
+	dy = (int)adj->value - scroll_area->priv->y_offset;
+	scroll_area->priv->y_offset = adj->value;
+    }
+    else
+    {
+	g_assert_not_reached ();
+    }
+    
+    if (GTK_WIDGET_REALIZED (widget))
+    {
+	foo_scroll_area_scroll (scroll_area, -dx, -dy);
+    
+#if 0
+	window_scroll_area (widget->window, &widget->allocation, -dx, -dy);
+#endif
+	translate_input_regions (scroll_area, -dx, -dy);
+
+#if 0
+	gdk_window_process_updates (widget->window, TRUE);
+#endif
+    }
+    
+    get_viewport (scroll_area, &new_viewport);
+    
+    emit_viewport_changed (scroll_area, &new_viewport, &old_viewport);
+}
+
+static void
+set_one_adjustment (FooScrollArea *scroll_area,
+		    GtkAdjustment *adjustment,
+		    GtkAdjustment **location)
+{
+    g_return_if_fail (location != NULL);
+    
+    if (adjustment == *location)
+	return;
+    
+    if (!adjustment)
+	adjustment = new_adjustment ();
+    
+    g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
+    
+    if (*location)
+    {
+	g_signal_handlers_disconnect_by_func (
+	    *location, foo_scrollbar_adjustment_changed, scroll_area);
+	
+	g_object_unref (*location);
+    }
+    
+    *location = adjustment;
+    
+    g_object_ref_sink (*location);
+    
+    g_signal_connect (*location, "value_changed",
+		      G_CALLBACK (foo_scrollbar_adjustment_changed),
+		      scroll_area);
+}
+
+static void
+foo_scroll_area_set_scroll_adjustments (FooScrollArea *scroll_area,
+					GtkAdjustment *hadjustment,
+					GtkAdjustment *vadjustment)
+{
+    set_one_adjustment (scroll_area, hadjustment, &scroll_area->priv->hadj);
+    set_one_adjustment (scroll_area, vadjustment, &scroll_area->priv->vadj);
+    
+    set_adjustment_values (scroll_area);
+}
+
+FooScrollArea *
+foo_scroll_area_new (void)
+{
+    return g_object_new (FOO_TYPE_SCROLL_AREA, NULL);
+}
+
+void
+foo_scroll_area_set_min_size (FooScrollArea *scroll_area,
+			      int		   min_width,
+			      int            min_height)
+{
+    scroll_area->priv->min_width = min_width;
+    scroll_area->priv->min_height = min_height;
+    
+    /* FIXME: think through invalidation.
+     *
+     * Goals: - no repainting everything on size_allocate(),
+     *        - make sure input boxes are invalidated when
+     *          needed
+     */
+    gtk_widget_queue_resize (GTK_WIDGET (scroll_area));
+}
+
+#if 0
+static void
+warn_about_adding_input_outside_expose (const char *func)
+{
+    static gboolean warned = FALSE;
+    
+    if (!warned)
+    {
+	g_warning ("%s() can only be called "
+		   "from the paint handler for the FooScrollArea\n", func);
+	
+	warned = TRUE;
+    }
+}
+#endif
+
+static void
+user_to_device (double *x, double *y,
+		gpointer data)
+{
+    cairo_t *cr = data;
+    
+    cairo_user_to_device (cr, x, y);
+}
+
+static InputPath *
+make_path (FooScrollArea *area,
+	   cairo_t *cr,
+	   gboolean is_stroke,
+	   FooScrollAreaEventFunc func,
+	   gpointer data)
+{
+    InputPath *path = g_new0 (InputPath, 1);
+
+    path->is_stroke = is_stroke;
+    path->fill_rule = cairo_get_fill_rule (cr);
+    path->line_width = cairo_get_line_width (cr);
+    path->path = cairo_copy_path (cr);
+    path_foreach_point (path->path, user_to_device, cr);
+    path->func = func;
+    path->data = data;
+    path->next = area->priv->current_input->paths;
+    area->priv->current_input->paths = path;
+    return path;
+}
+
+/* FIXME: we probably really want a
+ *
+ *	foo_scroll_area_add_input_from_fill (area, cr, ...);
+ * and
+ *      foo_scroll_area_add_input_from_stroke (area, cr, ...);
+ * as well.
+ */
+void
+foo_scroll_area_add_input_from_fill (FooScrollArea           *scroll_area,
+				     cairo_t	             *cr,
+				     FooScrollAreaEventFunc   func,
+				     gpointer                 data)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+    g_return_if_fail (cr != NULL);
+    g_return_if_fail (scroll_area->priv->current_input);
+
+    make_path (scroll_area, cr, FALSE, func, data);
+}
+
+void
+foo_scroll_area_add_input_from_stroke (FooScrollArea           *scroll_area,
+				       cairo_t	                *cr,
+				       FooScrollAreaEventFunc   func,
+				       gpointer                 data)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+    g_return_if_fail (cr != NULL);
+    g_return_if_fail (scroll_area->priv->current_input);
+
+    make_path (scroll_area, cr, TRUE, func, data);
+}
+
+void
+foo_scroll_area_invalidate (FooScrollArea *scroll_area)
+{
+    GtkWidget *widget = GTK_WIDGET (scroll_area);
+
+    foo_scroll_area_invalidate_rect (scroll_area,
+				     scroll_area->priv->x_offset, scroll_area->priv->y_offset,
+				     widget->allocation.width,
+				     widget->allocation.height);
+}
+
+static void
+canvas_to_window (FooScrollArea *area,
+		  GdkRegion *region)
+{
+    GtkWidget *widget = GTK_WIDGET (area);
+    
+    gdk_region_offset (region,
+		       -area->priv->x_offset + widget->allocation.x,
+		       -area->priv->y_offset + widget->allocation.y);
+}
+
+static void
+window_to_canvas (FooScrollArea *area,
+		  GdkRegion *region)
+{
+    GtkWidget *widget = GTK_WIDGET (area);
+
+    gdk_region_offset (region,
+		       area->priv->x_offset - widget->allocation.x,
+		       area->priv->y_offset - widget->allocation.y);
+}
+
+void
+foo_scroll_area_invalidate_region (FooScrollArea *area,
+				   GdkRegion     *region)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (area));
+    
+    gdk_region_union (area->priv->update_region, region);
+
+    if (GTK_WIDGET_REALIZED (area))
+    {
+	canvas_to_window (area, region);
+	
+	gdk_window_invalidate_region (GTK_WIDGET (area)->window, region, TRUE);
+	
+	window_to_canvas (area, region);
+    }
+}
+
+void
+foo_scroll_area_invalidate_rect (FooScrollArea *scroll_area,
+				 int	        x,
+				 int	        y,
+				 int	        width,
+				 int	        height)
+{
+    GdkRectangle rect = { x, y, width, height };
+    GdkRegion *region;
+    
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+
+    region = gdk_region_rectangle (&rect);
+
+    foo_scroll_area_invalidate_region (scroll_area, region);
+
+    gdk_region_destroy (region);
+}
+
+void
+foo_scroll_area_begin_grab (FooScrollArea *scroll_area,
+			    FooScrollAreaEventFunc func,
+			    gpointer       input_data)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+    g_return_if_fail (!scroll_area->priv->grabbed);
+    
+    scroll_area->priv->grabbed = TRUE;
+    scroll_area->priv->grab_func = func;
+    scroll_area->priv->grab_data = input_data;
+    
+    /* FIXME: we should probably take a server grab */
+    /* Also, maybe there should be support for setting the grab cursor */
+}
+
+void
+foo_scroll_area_end_grab (FooScrollArea *scroll_area)
+{
+    g_return_if_fail (FOO_IS_SCROLL_AREA (scroll_area));
+    
+    scroll_area->priv->grabbed = FALSE;
+    scroll_area->priv->grab_func = NULL;
+    scroll_area->priv->grab_data = NULL;
+}
+
+gboolean
+foo_scroll_area_is_grabbed (FooScrollArea *scroll_area)
+{
+    return scroll_area->priv->grabbed;
+}
+
+void
+foo_scroll_area_set_viewport_pos (FooScrollArea  *scroll_area,
+				  int		  x,
+				  int		  y)
+{
+    int x_changed = scroll_area->priv->hadj->value != (double)x;
+    int y_changed = scroll_area->priv->vadj->value != (double)y;
+    
+    scroll_area->priv->hadj->value = x;
+    scroll_area->priv->vadj->value = y;
+    
+    set_adjustment_values (scroll_area);
+    
+    if (x_changed)
+	gtk_adjustment_value_changed (scroll_area->priv->hadj);
+    
+    if (y_changed)
+	gtk_adjustment_value_changed (scroll_area->priv->vadj);
+}
+
+static gboolean
+rect_contains (const GdkRectangle *rect, int x, int y)
+{
+    return (x >= rect->x		&&
+	    y >= rect->y		&&
+	    x  < rect->x + rect->width	&&
+	    y  < rect->y + rect->height);
+}
+
+static void
+stop_scrolling (FooScrollArea *area)
+{
+#if 0
+    g_print ("stop scrolling\n");
+#endif
+    if (area->priv->auto_scroll_info)
+    {
+	g_source_remove (area->priv->auto_scroll_info->timeout_id);
+	g_timer_destroy (area->priv->auto_scroll_info->timer);
+	g_free (area->priv->auto_scroll_info);
+	
+	area->priv->auto_scroll_info = NULL;
+    }
+}
+
+static gboolean
+scroll_idle (gpointer data)
+{
+    GdkRectangle viewport, new_viewport;
+    FooScrollArea *area = data;
+    AutoScrollInfo *info = area->priv->auto_scroll_info;
+#if 0
+    int dx, dy;
+#endif
+    int new_x, new_y;
+    double elapsed;
+    
+    get_viewport (area, &viewport);
+    
+#if 0
+    g_print ("old info: %d %d\n", info->dx, info->dy);
+    
+    g_print ("timeout (%d %d)\n", dx, dy);
+#endif
+    
+#if 0
+    viewport.x += info->dx;
+    viewport.y += info->dy;
+#endif
+    
+#if 0
+    g_print ("new info %d %d\n", info->dx, info->dy);
+#endif
+
+    elapsed = g_timer_elapsed (info->timer, NULL);
+
+    info->res_x = elapsed * info->dx / 0.2;
+    info->res_y = elapsed * info->dy / 0.2;
+
+#if 0
+    g_print ("%f %f\n", info->res_x, info->res_y);
+#endif
+    
+    new_x = viewport.x + info->res_x;
+    new_y = viewport.y + info->res_y;
+
+#if 0
+    g_print ("%f\n", elapsed * (info->dx / 0.2));
+#endif
+    
+#if 0
+    g_print ("new_x, new_y\n: %d %d\n", new_x, new_y);
+#endif
+    
+    foo_scroll_area_set_viewport_pos (area, new_x, new_y);
+#if 0
+				      viewport.x + info->dx,
+				      viewport.y + info->dy);
+#endif
+
+    get_viewport (area, &new_viewport);
+
+    if (viewport.x == new_viewport.x		&&
+	viewport.y == new_viewport.y		&&
+	(info->res_x > 1.0			||
+	 info->res_y > 1.0			||
+	 info->res_x < -1.0			||
+	 info->res_y < -1.0))
+    {
+	stop_scrolling (area);
+	
+	/* stop scrolling if it didn't have an effect */
+	return FALSE;
+    }
+    
+    return TRUE;
+}
+
+static void
+ensure_scrolling (FooScrollArea *area,
+		  int		 dx,
+		  int		 dy)
+{
+    if (!area->priv->auto_scroll_info)
+    {
+#if 0
+	g_print ("start scrolling\n");
+#endif
+	area->priv->auto_scroll_info = g_new0 (AutoScrollInfo, 1);
+	area->priv->auto_scroll_info->timeout_id =
+	    g_idle_add (scroll_idle, area);
+	area->priv->auto_scroll_info->timer = g_timer_new ();
+    }
+    
+#if 0
+    g_print ("setting scrolling to %d %d\n", dx, dy);
+#endif
+
+#if 0
+    g_print ("dx, dy: %d %d\n", dx, dy);
+#endif
+    
+    area->priv->auto_scroll_info->dx = dx;
+    area->priv->auto_scroll_info->dy = dy;
+}
+
+void
+foo_scroll_area_auto_scroll (FooScrollArea *scroll_area,
+			     FooScrollAreaEvent *event)
+{
+    GdkRectangle viewport;
+    
+    get_viewport (scroll_area, &viewport);
+    
+    if (rect_contains (&viewport, event->x, event->y))
+    {
+	stop_scrolling (scroll_area);
+    }
+    else
+    {
+	int dx, dy;
+	
+	dx = dy = 0;
+	
+	if (event->y < viewport.y)
+	{
+	    dy = event->y - viewport.y;
+	    dy = MIN (dy + 2, 0);
+	}
+	else if (event->y >= viewport.y + viewport.height)
+	{
+	    dy = event->y - (viewport.y + viewport.height - 1);
+	    dy = MAX (dy - 2, 0);
+	}
+	
+	if (event->x < viewport.x)
+	{
+	    dx = event->x - viewport.x;
+	    dx = MIN (dx + 2, 0);
+	}
+	else if (event->x >= viewport.x + viewport.width)
+	{
+	    dx = event->x - (viewport.x + viewport.width - 1);
+	    dx = MAX (dx - 2, 0);
+	}
+
+#if 0
+	g_print ("dx, dy: %d %d\n", dx, dy);
+#endif
+	
+	ensure_scrolling (scroll_area, dx, dy);
+    }
+}
+
+void
+foo_scroll_area_begin_auto_scroll (FooScrollArea *scroll_area)
+{
+    /* noop  for now */
+}
+
+void
+foo_scroll_area_end_auto_scroll (FooScrollArea *scroll_area)
+{
+    stop_scrolling (scroll_area);
+}
+
+
+
+#if 0
+/*
+ * Backing Store
+ */
+struct BackingStore
+{
+    GdkPixmap *pixmap;
+    GdkRegion *update_region;
+    int width;
+    int height;
+};
+
+static BackingStore *
+backing_store_new (GdkWindow *window,
+		   int width, int height)
+{
+    BackingStore *store = g_new0 (BackingStore, 1);
+    GdkRectangle rect = { 0, 0, width, height };
+    
+    store->pixmap = gdk_pixmap_new (window, width, height, -1);
+    store->update_region = gdk_region_rectangle (&rect);
+    store->width = width;
+    store->height = height;
+
+    return store;
+}
+
+static void
+backing_store_free (BackingStore *store)
+{
+    g_object_unref (store->pixmap);
+    gdk_region_destroy (store->update_region);
+    g_free (store);
+}
+
+static void
+backing_store_draw (BackingStore  *store, 
+		    GdkDrawable   *dest,
+		    GdkRegion     *clip,
+		    int		   x,
+		    int            y)
+{
+    GdkGC *gc = gdk_gc_new (dest);
+    
+    gdk_gc_set_clip_region (gc, clip);
+
+    gdk_draw_drawable (dest, gc, store->pixmap,
+		       0, 0, x, y, store->width, store->height);
+
+    g_object_unref (gc);
+}
+
+static void
+backing_store_scroll (BackingStore *store,
+		      int           dx,
+		      int           dy)
+{
+    GdkGC *gc = gdk_gc_new (store->pixmap);
+    GdkRectangle rect;
+    
+    gdk_draw_drawable (store->pixmap, gc, store->pixmap,
+		       0, 0, dx, dy,
+		       store->width, store->height);
+
+    /* Invalidate vertically */
+    rect.x = 0;
+    rect.width = store->width;
+
+    if (dy > 0)
+    {
+	rect.y = 0;
+	rect.height = dy;
+    }
+    else
+    {
+	rect.y = store->height + dy;
+	rect.y = -dy;
+    }
+
+    gdk_region_union_with_rect (store->update_region, &rect);
+    
+    /* Invalidate horizontally */
+    rect.y = 0;
+    rect.height = store->height;
+
+    if (dx > 0)
+    {
+	rect.x = 0;
+	rect.width = dx;
+    }
+    else
+    {
+	rect.x = store->width + dx;
+	rect.width = -dx;
+    }
+
+    gdk_region_union_with_rect (store->update_region, &rect);
+}
+
+static void
+backing_store_invalidate_rect (BackingStore *store,
+			       GdkRectangle *rect)
+{
+    gdk_region_union_with_rect (store->update_region, rect);
+}
+
+static void
+backing_store_invalidate_region (BackingStore *store,
+				 GdkRegion *region)
+{
+    gdk_region_union (store->update_region, region);
+}
+
+static void
+backing_store_invalidate_all (BackingStore *store)
+{
+    GdkRectangle rect = { 0, 0, store->width, store->height };
+    gdk_region_destroy (store->update_region);
+    store->update_region = gdk_region_rectangle (&rect);
+}
+
+static void
+backing_store_resize (BackingStore *store,
+		      int           width,
+		      int           height)
+{
+    GdkPixmap *pixmap = gdk_pixmap_new (store->pixmap, width, height, -1);
+
+    /* Unfortunately we don't know in which direction we were resized,
+     * so we just assume we were dragged from the south-east corner.
+     *
+     * Although, maybe we could get the root coordinates of the input-window?
+     * That might just work, actually. We need to make sure metacity uses
+     * static gravity for the window before this will be useful.
+     */
+    simple_draw_drawable (pixmap, store->pixmap, 0, 0, 0, 0, -1, -1);
+
+    g_object_unref (store->pixmap);
+
+    store->pixmap = pixmap;
+
+    /* FIXME: invalidate uncovered strip only */
+
+    backing_store_invalidate_all (store);
+}
+
+static void
+cclip_to_region (cairo_t *cr, GdkRegion *region)
+{
+    int n_rects;
+    GdkRectangle *rects;
+
+    gdk_region_get_rectangles (region, &rects, &n_rects);
+
+    cairo_new_path (cr);
+    while (n_rects--)
+    {
+	GdkRectangle *rect = &(rects[n_rects]);
+
+	cairo_rectangle (cr, rect->x, rect->y, rect->width, rect->height);
+    }
+    cairo_clip (cr);
+
+    g_free (rects);
+}
+
+static void
+backing_store_process_updates (BackingStore *store,
+			       ExposeFunc    func,
+			       gpointer      data)
+{
+    cairo_t *cr = gdk_cairo_create (store->pixmap);
+    GdkRegion *region = store->update_region;
+    store->update_region = gdk_region_new ();
+
+    cclip_to_region (cr, store->update_region);
+
+    func (cr, store->update_region, data);
+
+    gdk_region_destroy (region);
+    cairo_destroy (cr);
+}
+
+#endif