gdk_window_move_region is not helpful

looking into gtk it doesn't move anything, it just
exposes the moved from and moved to areas to force them
to be redrawn, its not in practice an optimization

Change-Id: I38ea91d2463094bab50c436302022849986a3b0c

sw/uiconfig/swriter/ui/wordcount.ui

 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.18.3 -->
+<!-- Generated with glade 3.16.1 -->
 <interface>
   <requires lib="gtk+" version="3.0"/>
   <object class="GtkDialog" id="WordCountDialog">
     <property name="can_focus">False</property>
     <property name="border_width">6</property>
     <property name="title" translatable="yes">Word Count</property>
-    <property name="resizable">False</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
@@ -75,6 +74,8 @@
               <packing>
                 <property name="left_attach">0</property>
                 <property name="top_attach">1</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -87,6 +88,8 @@
               <packing>
                 <property name="left_attach">0</property>
                 <property name="top_attach">2</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -99,6 +102,8 @@
               <packing>
                 <property name="left_attach">0</property>
                 <property name="top_attach">3</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -114,6 +119,8 @@
               <packing>
                 <property name="left_attach">1</property>
                 <property name="top_attach">1</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -129,6 +136,8 @@
               <packing>
                 <property name="left_attach">1</property>
                 <property name="top_attach">2</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -144,6 +153,8 @@
               <packing>
                 <property name="left_attach">1</property>
                 <property name="top_attach">3</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -159,6 +170,8 @@
               <packing>
                 <property name="left_attach">1</property>
                 <property name="top_attach">0</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -174,6 +187,8 @@
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">0</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -189,6 +204,8 @@
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">1</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -204,6 +221,8 @@
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">2</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -219,6 +238,8 @@
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">3</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -231,6 +252,8 @@
               <packing>
                 <property name="left_attach">0</property>
                 <property name="top_attach">4</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -246,6 +269,8 @@
               <packing>
                 <property name="left_attach">1</property>
                 <property name="top_attach">4</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -261,6 +286,8 @@
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">4</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -273,6 +300,8 @@
               <packing>
                 <property name="left_attach">0</property>
                 <property name="top_attach">5</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -288,6 +317,8 @@
               <packing>
                 <property name="left_attach">1</property>
                 <property name="top_attach">5</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -303,6 +334,8 @@
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">5</property>
+                <property name="width">1</property>
+                <property name="height">1</property>
               </packing>
             </child>
             <child>

vcl/unx/gtk3/gdi/gtk3salnativewidgets-gtk.cxx

@@ -1536,8 +1536,10 @@ void GtkSalGraphics::copyArea( long nDestX, long nDestY,
                                long nSrcWidth, long nSrcHeight,
                                sal_uInt16 nFlags )
 {
-    mpFrame->pushIgnoreDamage();
+#if 1
     SvpSalGraphics::copyArea( nDestX, nDestY, nSrcX, nSrcY, nSrcWidth, nSrcHeight, nFlags );
+#else
+    mpFrame->pushIgnoreDamage();
     mpFrame->popIgnoreDamage();
 
     cairo_rectangle_int_t rect = { (int)nSrcX, (int)nSrcY, (int)nSrcWidth, (int)nSrcHeight };
@@ -1566,6 +1568,7 @@ void GtkSalGraphics::copyArea( long nDestX, long nDestY,
     gdk_window_move_region( gtk_widget_get_window( mpFrame->getWindow() ),
                             region, nDestX - nSrcX, nDestY - nSrcY );
     cairo_region_destroy( region );
+#endif
 }
 
 cairo_t* GtkSalGraphics::getCairoContext()