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

2 files changed, 39 insertions, 3 deletions

diff --git a/sw/uiconfig/swriter/ui/wordcount.ui b/sw/uiconfig/swriter/ui/wordcount.ui
index 588ba0b1fe5a..9d9e8dc51a79 100644
--- a/sw/uiconfig/swriter/ui/wordcount.ui
+++ b/sw/uiconfig/swriter/ui/wordcount.ui
@@ -1,12 +1,11 @@
 <?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>
diff --git a/vcl/unx/gtk3/gdi/gtk3salnativewidgets-gtk.cxx b/vcl/unx/gtk3/gdi/gtk3salnativewidgets-gtk.cxx
index 6db5fef0040e..8e518d6e7294 100644
--- a/vcl/unx/gtk3/gdi/gtk3salnativewidgets-gtk.cxx
+++ b/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()