Reviewed and worked over a lot by Darin.

        - check in first set of GDK-specific sources

        * platform/gdk/BrowserExtensionGdk.h: Added.
        * platform/gdk/CookieJarGdk.cpp: Added.
        * platform/gdk/CursorGdk.cpp: Added.
        * platform/gdk/FontCacheGdk.cpp: Added.
        * platform/gdk/FontDataGdk.cpp: Added.
        * platform/gdk/FontGdk.cpp: Added.
        * platform/gdk/FontPlatformData.h: Added.
        * platform/gdk/FontPlatformDataGdk.cpp: Added.
        * platform/gdk/FrameGdk.cpp: Added.
        * platform/gdk/FrameGdk.h: Added.
        * platform/gdk/GlyphMapGdk.cpp: Added.
        * platform/gdk/KeyEventGdk.cpp: Added.
        * platform/gdk/KeyboardCodes.h: Added.
        * platform/gdk/MouseEventGdk.cpp: Added.
        * platform/gdk/PageGdk.cpp: Added.
        * platform/gdk/RenderThemeGdk.cpp: Added.
        * platform/gdk/RenderThemeGdk.h: Added.
        * platform/gdk/ScreenGdk.cpp: Added.
        * platform/gdk/ScrollViewGdk.cpp: Added.
        * platform/gdk/SharedTimerLinux.cpp: Added.
        * platform/gdk/SystemTimeLinux.cpp: Added.
        * platform/gdk/TemporaryLinkStubs.cpp: Added.
        * platform/gdk/TransferJobCurl.cpp: Added.
        * platform/gdk/TransferJobManager.cpp: Added.
        * platform/gdk/TransferJobManager.h: Added.
        * platform/gdk/WheelEventGdk.cpp: Added.
        * platform/gdk/WidgetGdk.cpp: Added.
        * platform/gdk/gdk-encodings.txt: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@15124 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/WebCore/platform/gdk/ScreenGdk.cpp b/WebCore/platform/gdk/ScreenGdk.cpp
new file mode 100644
index 0000000..4461c46
--- /dev/null
+++ b/WebCore/platform/gdk/ScreenGdk.cpp
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
+ * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "Screen.h"
+
+#include "FloatRect.h"
+#include "Widget.h"
+#include <gdk/gdk.h>
+
+namespace WebCore {
+
+FloatRect screenRect(Widget* widget)
+{
+    GdkDrawable* drawable = widget->drawable();
+    if (!drawable)
+        return FloatRect();
+    GdkScreen* screen = gdk_drawable_get_screen(drawable);
+    return FloatRect(0, 0, gdk_screen_get_width(screen), gdk_screen_get_height(screen));
+}
+
+int screenDepth(Widget* widget)
+{
+    GdkDrawable* drawable = widget->drawable();
+    if (!drawable)
+        return 32;
+    return gdk_drawable_get_depth(drawable);
+}
+
+FloatRect usableScreenRect(Widget* widget)
+{
+    return screenRect(widget);
+}
+
+}