From af271f99ec6c028a5e8514bb816c3e78b49a0aa9 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sat, 21 Jun 2008 17:50:58 +0000
Subject: [PATCH] Added support for X11's overrideRedirect functionality

---
 include/osg/GraphicsContext            | 6 +++++-
 src/osgPlugins/cfg/ReaderWriterCFG.cpp | 2 ++
 src/osgViewer/GraphicsWindowX11.cpp    | 5 +++--
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/include/osg/GraphicsContext b/include/osg/GraphicsContext
index 5b0aaa751..56b7d9649 100644
--- a/include/osg/GraphicsContext
+++ b/include/osg/GraphicsContext
@@ -92,7 +92,8 @@ class OSG_EXPORT GraphicsContext : public Object
                 useMultiThreadedOpenGLEngine(false),
                 useCursor(true),
                 sharedContext(0),
-                setInheritedWindowPixelFormat(false) {}
+                setInheritedWindowPixelFormat(false),
+                overrideRedirect(false) {}
                             
             // graphics context original and size
             int x;
@@ -145,6 +146,9 @@ class OSG_EXPORT GraphicsContext : public Object
             
             // ask the GraphicsWindow implementation to set the pixel format of an inherited window
             bool setInheritedWindowPixelFormat;
+            
+            // X11 hint whether to override the window managers window size/position redirection
+            bool overrideRedirect;
         };
     
     
diff --git a/src/osgPlugins/cfg/ReaderWriterCFG.cpp b/src/osgPlugins/cfg/ReaderWriterCFG.cpp
index 927871c38..69894de2c 100644
--- a/src/osgPlugins/cfg/ReaderWriterCFG.cpp
+++ b/src/osgPlugins/cfg/ReaderWriterCFG.cpp
@@ -84,6 +84,8 @@ static osg::GraphicsContext::Traits* buildTrait(RenderSurface& rs)
     traits->sharedContext = 0;
     traits->pbuffer = (rs.getDrawableType()==osgProducer::RenderSurface::DrawableType_PBuffer);
 
+    traits->overrideRedirect = rs.usesOverrideRedirect();
+
     return traits;
  }
 
diff --git a/src/osgViewer/GraphicsWindowX11.cpp b/src/osgViewer/GraphicsWindowX11.cpp
index b6ad3fffe..6d3218a1e 100644
--- a/src/osgViewer/GraphicsWindowX11.cpp
+++ b/src/osgViewer/GraphicsWindowX11.cpp
@@ -655,11 +655,12 @@ bool GraphicsWindowX11::createWindow()
     swatt.event_mask =  0;
     unsigned long mask = CWBackPixel | CWBorderPixel | CWEventMask | CWColormap;
 
-    bool overrideRedirect = false;
-    if (overrideRedirect)
+    if (_traits->overrideRedirect)
     {
         swatt.override_redirect = true;
         mask |= CWOverrideRedirect;
+        
+        osg::notify(osg::NOTICE)<<"Setting override redirect"<<std::endl;
     }
 
     _window = XCreateWindow( _display, _parent,