1 files changed, 71 insertions, 0 deletions
diff --git a/kcontrol/screensaver/kswidget.cpp b/kcontrol/screensaver/kswidget.cpp
new file mode 100644
index 000000000..58f28ff31
--- /dev/null
+++ b/kcontrol/screensaver/kswidget.cpp
@@ -0,0 +1,71 @@
+#include <config.h>
+
+#include <kwin.h>
+#include "testwin.h"
+
+#ifdef HAVE_GLXCHOOSEVISUAL
+#include <GL/glx.h>
+#endif
+
+KSWidget::KSWidget( QWidget* parent, const char* name, int f )
+    : QXEmbed( parent, name, f ), colormap( None )
+{
+// use visual with support for double-buffering, for opengl
+// this code is duplicated in kdebase/kdesktop/lock/
+#ifdef HAVE_GLXCHOOSEVISUAL
+    Visual* visual = CopyFromParent;
+    XSetWindowAttributes attrs;
+    int flags = 0;
+    if( true /*mOpenGLVisual*/ )
+    {
+        static int attribs[][ 15 ] =
+        {
+        #define R GLX_RED_SIZE
+        #define G GLX_GREEN_SIZE
+        #define B GLX_BLUE_SIZE
+            { GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
+            { GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
+            { GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, None },
+            { GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_DOUBLEBUFFER, None },
+            { GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_STENCIL_SIZE, 1, None },
+            { GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_STENCIL_SIZE, 1, None },
+            { GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, None },
+            { GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, None },
+            { GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
+            { GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, None },
+            { GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_STENCIL_SIZE, 1, None },
+            { GLX_RGBA, GLX_DEPTH_SIZE, 8, None }
+        #undef R
+        #undef G
+        #undef B
+        };
+        for( unsigned int i = 0;
+             i < sizeof( attribs ) / sizeof( attribs[ 0 ] );
+             ++i )
+        {
+            if( XVisualInfo* info = glXChooseVisual( x11Display(), x11Screen(), attribs[ i ] ))
+            {
+                visual = info->visual;
+                colormap = XCreateColormap( x11Display(), RootWindow( x11Display(), x11Screen()), visual, AllocNone );
+                attrs.colormap = colormap;
+                flags |= CWColormap;
+                XFree( info );
+                break;
+            }
+        }
+    }
+    Window w = XCreateWindow( x11Display(), parentWidget() ? parentWidget()->winId() : RootWindow( x11Display(), x11Screen()),
+        x(), y(), width(), height(), 0, x11Depth(), InputOutput, visual, flags, &attrs );
+    create( w );
+#endif
+}
+
+KSWidget::~KSWidget()
+{
+#ifdef HAVE_GLXCHOOSEVISUAL
+    if( colormap != None )
+        XFreeColormap( x11Display(), colormap );
+#endif
+}
+
+#include "kswidget.moc"