// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2004-2006 Novell, Inc.
//
// Authors:
//	Peter Bartok	pbartok@novell.com

// NOT COMPLETE

// define to log API calls to stdout
#undef DriverDebug
#undef DriverDebugPaint
#undef DriverDebugCreate
#undef DriverDebugDestroy
#undef DriverDebugState

using System;
using System.Drawing;
using System.ComponentModel;
using System.Collections;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading;

namespace System.Windows.Forms {
	internal class XplatUI {
		#region Local Variables
		static XplatUIDriver		driver;
		static String			default_class_name;
		#endregion	// Local Variables

		#region Private Methods
		internal static string Window(IntPtr handle) {
			return String.Format("'{0}' ({1:X})", Control.FromHandle(handle), handle.ToInt32());
		}
		#endregion	// Private Methods

		#region Subclasses
		public class State {
			static public Keys ModifierKeys {
				get {
					return driver.ModifierKeys;
				}
			}

			static public MouseButtons MouseButtons {
				get {
					return driver.MouseButtons;
				}
			}

			static public Point MousePosition {
				get {
					return driver.MousePosition;
				}
			}

		}
		#endregion	// Subclasses

		#region Constructor & Destructor
		static XplatUI() {
			// Compose name with current domain id because on Win32 we register class name
			// and name must be unique to process. If we load MWF into multiple appdomains
			// and try to register same class name we fail.
			default_class_name = "SWFClass" + System.Threading.Thread.GetDomainID().ToString();

			if (RunningOnUnix) {
				//if (Environment.GetEnvironmentVariable ("not_supported_MONO_MWF_USE_NEW_X11_BACKEND") != null) {
				//        driver=XplatUIX11_new.GetInstance ();
				//} else 
				if (Environment.GetEnvironmentVariable ("MONO_MWF_MAC_FORCE_X11") != null) {
					driver = XplatUIX11.GetInstance ();
				} else {
					IntPtr buf = Marshal.AllocHGlobal (8192);
					// This is a hacktastic way of getting sysname from uname ()
					if (uname (buf) != 0) {
						// WTF: We cannot run uname
						driver=XplatUIX11.GetInstance ();
					} else {
						string os = Marshal.PtrToStringAnsi (buf);
						if (os == "Darwin")
							driver=XplatUICarbon.GetInstance ();
						else
							driver=XplatUIX11.GetInstance ();
					}
					Marshal.FreeHGlobal (buf);
				}
			} else {
				driver=XplatUIWin32.GetInstance();
			}

			driver.InitializeDriver();

			// Initialize things that need to be done after the driver is ready
			DataFormats.GetFormat(0);
		}
		#endregion	// Constructor & Destructor

		#region Public Static Properties

		public static bool RunningOnUnix {
			get {
#if NET_2_0
				return (Environment.OSVersion.Platform == PlatformID.Unix);
#else
				int platform = (int) Environment.OSVersion.Platform;
				return (platform == 128);
#endif
			}
		}

		public static int ActiveWindowTrackingDelay {
			get { return driver.ActiveWindowTrackingDelay; }
		}

		internal static string DefaultClassName {
			get {
				return default_class_name;
			}

			set {
				default_class_name=value;
			}
		}

		static public Size Border3DSize {
			get {
				return driver.Border3DSize;
			}
		}

		static public Size BorderSize {
			get {
				return driver.BorderSize;
			}
		}

		static public Size CaptionButtonSize {
			get {
				return driver.CaptionButtonSize;
			}
		}

		static public int CaptionHeight {
			get {
				return driver.CaptionHeight;
			}
		}

		public static int CaretBlinkTime { get { return driver.CaretBlinkTime; } }
		public static int CaretWidth { get { return driver.CaretWidth; } }
		
		static public Size CursorSize {
			get {
				return driver.CursorSize;
			}
		}

		static public Size DoubleClickSize {
			get {
				return driver.DoubleClickSize;
			}
		}

		static public int DoubleClickTime {
			get {
				return driver.DoubleClickTime;
			}
		}

		static public bool DragFullWindows {
			get {
				return driver.DragFullWindows;
			}
		}

		static public Size DragSize {
			get {
				return driver.DragSize;
			}
		}

		static public Size FixedFrameBorderSize {
			get {
				return driver.FixedFrameBorderSize;
			}
		}

		public static int FontSmoothingContrast { get { return driver.FontSmoothingContrast; } }
		public static int FontSmoothingType { get { return driver.FontSmoothingType; } }

		public static Size FrameBorderSize {
			get {
				return driver.FrameBorderSize;
			}
		}

		public static int HorizontalResizeBorderThickness { get { return driver.HorizontalResizeBorderThickness; } }
		
		static public int HorizontalScrollBarHeight {
			get {
				return driver.HorizontalScrollBarHeight;
			}
		}

		static public Size IconSize {
			get {
				return driver.IconSize;
			}
		}

		public static bool IsActiveWindowTrackingEnabled { get { return driver.IsActiveWindowTrackingEnabled; } }
		public static bool IsComboBoxAnimationEnabled { get { return driver.IsComboBoxAnimationEnabled; } }
		public static bool IsDropShadowEnabled { get { return driver.IsDropShadowEnabled; } }
		public static bool IsFontSmoothingEnabled { get { return driver.IsFontSmoothingEnabled; } }
		public static bool IsHotTrackingEnabled { get { return driver.IsHotTrackingEnabled; } }
		public static bool IsIconTitleWrappingEnabled { get { return driver.IsIconTitleWrappingEnabled; } }
		public static bool IsKeyboardPreferred { get { return driver.IsKeyboardPreferred; } }
		public static bool IsListBoxSmoothScrollingEnabled { get { return driver.IsListBoxSmoothScrollingEnabled; } }
		public static bool IsMenuAnimationEnabled { get { return driver.IsMenuAnimationEnabled; } }
		public static bool IsMenuFadeEnabled { get { return driver.IsMenuFadeEnabled; } }
		public static bool IsMinimizeRestoreAnimationEnabled { get { return driver.IsMinimizeRestoreAnimationEnabled; } }
		public static bool IsSelectionFadeEnabled { get	{ return driver.IsSelectionFadeEnabled; } }
		public static bool IsSnapToDefaultEnabled { get { return driver.IsSnapToDefaultEnabled; } }
		public static bool IsTitleBarGradientEnabled { get { return driver.IsTitleBarGradientEnabled; } }
		public static bool IsToolTipAnimationEnabled { get { return driver.IsToolTipAnimationEnabled; } }
		
		static public int KeyboardSpeed {
			get {
				return driver.KeyboardSpeed;
			}
		}

		static public int KeyboardDelay {
			get {
				return driver.KeyboardDelay;
			}
		}

		static public Size MaxWindowTrackSize {
			get {
				return driver.MaxWindowTrackSize;
			}
		}

		static public bool MenuAccessKeysUnderlined {
			get {
				return driver.MenuAccessKeysUnderlined;
			}
		}

		static public Size MenuBarButtonSize { get { return driver.MenuBarButtonSize; } }

		public static Size MenuButtonSize {
			get {
				return driver.MenuButtonSize;
			}
		}

		static public int MenuShowDelay { get { return driver.MenuShowDelay; } }
		
		static public Size MinimizedWindowSize {
			get {
				return driver.MinimizedWindowSize;
			}
		}

		static public Size MinimizedWindowSpacingSize {
			get {
				return driver.MinimizedWindowSpacingSize;
			}
		}

		static public Size MinimumWindowSize {
			get {
				return driver.MinimumWindowSize;
			}
		}

		static public Size MinimumFixedToolWindowSize {
			get { return driver.MinimumFixedToolWindowSize; }
		}

		static public Size MinimumSizeableToolWindowSize {
			get { return driver.MinimumSizeableToolWindowSize; }
		}

		static public Size MinimumNoBorderWindowSize {
			get { return driver.MinimumNoBorderWindowSize; }
		}

		static public Size MinWindowTrackSize {
			get {
				return driver.MinWindowTrackSize;
			}
		}

		public static int MouseSpeed {
			get { return driver.MouseSpeed; }
		}
		
		static public Size SmallIconSize {
			get {
				return driver.SmallIconSize;
			}
		}

		static public int MenuHeight {
			get {
				return driver.MenuHeight;
			}
		}

		static public int MouseButtonCount {
			get {
				return driver.MouseButtonCount;
			}
		}

		static public bool MouseButtonsSwapped {
			get {
				return driver.MouseButtonsSwapped;
			}
		}

		static public Size MouseHoverSize {
			get {
				return driver.MouseHoverSize;
			}
		}

		static public int MouseHoverTime {
			get {
				return driver.MouseHoverTime;
			}
		}

		static public int MouseWheelScrollDelta {
			get {
				return driver.MouseWheelScrollDelta;
			}
		}
		
		static public bool MouseWheelPresent {
			get {
				return driver.MouseWheelPresent;
			}
		}

		public static LeftRightAlignment PopupMenuAlignment {
			get { return driver.PopupMenuAlignment; }
		}
		
#if NET_2_0
		public static PowerStatus PowerStatus {
			get { return driver.PowerStatus; }
		}
#endif

		public static bool RequiresPositiveClientAreaSize {
			get {
				return driver.RequiresPositiveClientAreaSize;
			}
		}

		public static int SizingBorderWidth {
			get { return driver.SizingBorderWidth; }
		}
		
		public static Size SmallCaptionButtonSize {
			get { return driver.SmallCaptionButtonSize; }
		}
		
		public static bool UIEffectsEnabled {
			get { return driver.UIEffectsEnabled; }
		}
		
		static public bool UserClipWontExposeParent {
			get {
				return driver.UserClipWontExposeParent;
			}
		}

		public static int VerticalResizeBorderThickness { get { return driver.VerticalResizeBorderThickness; } }

		static public int VerticalScrollBarWidth {
			get {
				return driver.VerticalScrollBarWidth;
			}
		}

		static public Rectangle VirtualScreen {
			get {
				return driver.VirtualScreen;
			}
		}

		static public Rectangle WorkingArea {
			get {
				return driver.WorkingArea;
			}
		}

		public static bool ThemesEnabled {
			get {
				return XplatUI.driver.ThemesEnabled;
			}
		}

		public static int ToolWindowCaptionHeight {
			get {
				return driver.ToolWindowCaptionHeight;
			}
		}

		public static Size ToolWindowCaptionButtonSize {
			get {
				return driver.ToolWindowCaptionButtonSize;
			}
		}
		#endregion	// Public Static Properties

		#region Events

		internal static event EventHandler Idle {
			add {
				driver.Idle += value;
			}
			remove {
				driver.Idle -= value;
			}
		}

		#endregion	// Events

		#region Public Static Methods
		internal static void Activate(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("Activate({0}): Called", Window(handle));
			#endif
			driver.Activate(handle);
		}

		internal static void AudibleAlert() {
			#if DriverDebug
				Console.WriteLine("AudibleAlert(): Called");
			#endif
			driver.AudibleAlert();
		}

		internal static bool CalculateWindowRect(ref Rectangle ClientRect, CreateParams cp, Menu menu, out Rectangle WindowRect) {
			#if DriverDebug
				Console.WriteLine("CalculateWindowRect({0}, {1}, {2}): Called", ClientRect, cp, menu);
			#endif
			return driver.CalculateWindowRect(ref ClientRect, cp, menu, out WindowRect);
		}

		internal static void CaretVisible(IntPtr handle, bool visible) {
			#if DriverDebug
				Console.WriteLine("CaretVisible({0:X}, {1}): Called", handle.ToInt32(), visible);
			#endif
			driver.CaretVisible(handle, visible);
		}

		internal static void CreateCaret(IntPtr handle, int width, int height) {
			#if DriverDebug
				Console.WriteLine("CreateCaret({0:X}), {1}, {2}: Called", handle.ToInt32(), width, height);
			#endif
			driver.CreateCaret(handle, width, height);
		}

		internal static IntPtr CreateWindow(CreateParams cp) {
			#if DriverDebug || DriverDebugCreate
				IntPtr handle;

				handle = driver.CreateWindow(cp);

				Console.WriteLine("CreateWindow(): Called, returning {0:X}", handle.ToInt32());
				return handle;
			#else
				return driver.CreateWindow(cp);
			#endif
		}

		internal static IntPtr CreateWindow(IntPtr Parent, int X, int Y, int Width, int Height) {
			#if DriverDebug || DriverDebugCreate
				Console.WriteLine("CreateWindow(): Called");
			#endif
			return driver.CreateWindow(Parent, X, Y, Width, Height);
		}

		internal static void ClientToScreen(IntPtr handle, ref int x, ref int y) {
			#if DriverDebug
				Console.WriteLine("ClientToScreen({0}, {1}, {2}): Called", Window(handle), x, y);
			#endif
			driver.ClientToScreen(handle, ref x, ref y);
		}

		internal static int[] ClipboardAvailableFormats(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("ClipboardAvailableTypes({0:X}): Called", handle.ToInt32());
			#endif
			return driver.ClipboardAvailableFormats(handle);
		}

		internal static void ClipboardClose(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("ClipboardClose({0:X}): Called", handle.ToInt32());
			#endif
			driver.ClipboardClose(handle);
		}

		internal static int ClipboardGetID(IntPtr handle, string format) {
			#if DriverDebug
				Console.WriteLine("ClipboardGetID({0:X}, {1}): Called", handle.ToInt32(), format);
			#endif
			return driver.ClipboardGetID(handle, format);
		}

		internal static IntPtr ClipboardOpen(bool primary_selection) {
			#if DriverDebug
				Console.WriteLine("ClipboardOpen(): Called");
			#endif
			return driver.ClipboardOpen (primary_selection);
		}

		internal static void ClipboardStore(IntPtr handle, object obj, int type, XplatUI.ObjectToClipboard converter) {
			#if DriverDebug
				Console.WriteLine("ClipboardStore({0:X}, {1}, {2}): Called", handle.ToInt32(), obj, type, converter);
			#endif
			driver.ClipboardStore(handle, obj, type, converter);
		}

		internal static object ClipboardRetrieve(IntPtr handle, int type, XplatUI.ClipboardToObject converter) {
			#if DriverDebug
				Console.WriteLine("ClipboardRetrieve({0:X}, type, {1}): Called", handle.ToInt32(), converter);
			#endif
			return driver.ClipboardRetrieve(handle, type, converter);
		}

		internal static IntPtr DefineCursor(Bitmap bitmap, Bitmap mask, Color cursor_pixel, Color mask_pixel, int xHotSpot, int yHotSpot) {
			#if DriverDebug
				Console.WriteLine("DefineCursor(...): Called");
			#endif
			return driver.DefineCursor(bitmap, mask, cursor_pixel, mask_pixel, xHotSpot, yHotSpot);
		}

		internal static IntPtr DefineStdCursor(StdCursor id) {
			return driver.DefineStdCursor(id);
		}
		
		internal static Bitmap DefineStdCursorBitmap(StdCursor id) {
			return driver.DefineStdCursorBitmap(id);
		}

		internal static IntPtr DefWndProc(ref Message msg) {
			return driver.DefWndProc(ref msg);
		}

		internal static void DestroyCaret(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("DestroyCaret({0:X}): Called", handle.ToInt32());
			#endif
			driver.DestroyCaret(handle);
		}

		internal static void DestroyCursor(IntPtr cursor) {
			#if DriverDebug
				Console.WriteLine("DestroyCursor({0:X}): Called", cursor.ToInt32());
			#endif
			driver.DestroyCursor(cursor);
		}

		internal static void DestroyWindow(IntPtr handle) {
			#if DriverDebug || DriverDebugDestroy
				Console.WriteLine("DestroyWindow({0}): Called", Window(handle));
			#endif
			driver.DestroyWindow(handle);
		}

		internal static IntPtr DispatchMessage(ref MSG msg) {
			return driver.DispatchMessage(ref msg);
		}

		internal static void DoEvents() {
			driver.DoEvents();
		}

		internal static void DrawReversibleRectangle(IntPtr handle, Rectangle rect, int line_width) {
			#if DriverDebug
				Console.WriteLine("DrawReversibleRectangle({0}, {1}, {2}): Called", Window(handle), rect, line_width);
			#endif
			driver.DrawReversibleRectangle(handle, rect, line_width);
		}

		internal static void FillReversibleRectangle (Rectangle rectangle, Color backColor)
		{
			#if DriverDebug
				Console.WriteLine("FillReversibleRectangle({0}, {1}): Called", rectangle, backColor);
			#endif
			driver.FillReversibleRectangle (rectangle, backColor);
		}

		internal static void DrawReversibleFrame (Rectangle rectangle, Color backColor, FrameStyle style)
		{
			#if DriverDebug
				Console.WriteLine("DrawReversibleFrame({0}, {1}, {2}): Called", rectangle, backColor, style);
			#endif
			driver.DrawReversibleFrame (rectangle, backColor, style);
		}

		internal static void DrawReversibleLine (Point start, Point end, Color backColor)
		{
			#if DriverDebug
				Console.WriteLine("DrawReversibleLine({0}, {1}, {2}): Called", start, end, backColor);
			#endif
			driver.DrawReversibleLine (start, end, backColor);
		}

		internal static void EnableThemes() {
			driver.EnableThemes();
		}

		internal static void EnableWindow(IntPtr handle, bool Enable) {
			#if DriverDebug || DriverDebugState
				Console.WriteLine("EnableWindow({0}, {1}): Called", Window(handle), Enable);
			#endif
			driver.EnableWindow(handle, Enable);
		}

		internal static void EndLoop(Thread thread) {
			#if DriverDebug
				Console.WriteLine("EndLoop({0:X}): Called", thread.GetHashCode());
			#endif
			driver.EndLoop(thread);
		}

		internal static IntPtr GetActive() {
			#if DriverDebug
				Console.WriteLine("GetActive(): Called");
			#endif
			return driver.GetActive();
		}

		internal static SizeF GetAutoScaleSize(Font font) {
			#if DriverDebug
				Console.WriteLine("GetAutoScaleSize({0}): Called", font);
			#endif
			return driver.GetAutoScaleSize(font);
		}

		internal static Region GetClipRegion(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("GetClipRegion({0}): Called", Window(handle));
			#endif
			return driver.GetClipRegion(handle);
		}

		internal static void GetCursorInfo(IntPtr cursor, out int width, out int height, out int hotspot_x, out int hotspot_y) {
			#if DriverDebug
				Console.WriteLine("GetCursorInfo({0}): Called", cursor.ToInt32());
			#endif
			driver.GetCursorInfo(cursor, out width, out height, out hotspot_x, out hotspot_y);
		}

		internal static void GetCursorPos(IntPtr handle, out int x, out int y) {
			#if DriverDebug
				Console.WriteLine("GetCursorPos({0}): Called", Window(handle));
			#endif
			driver.GetCursorPos(handle, out x, out y);
		}

		internal static void GetDisplaySize(out Size size) {
			#if DriverDebug
				Console.WriteLine("GetDisplaySize(): Called");
			#endif
			driver.GetDisplaySize(out size);
		}

		internal static IntPtr GetFocus() {
			#if DriverDebug
				Console.WriteLine("GetFocus(): Called, Result:{0}", Window(driver.GetFocus()));
			#endif
			return driver.GetFocus();
		}

		internal static bool GetFontMetrics(Graphics g, Font font, out int ascent, out int descent) {
			#if DriverDebug
				Console.WriteLine("GetFontMetrics(): Called");
			#endif
			return driver.GetFontMetrics(g, font, out ascent, out descent);
		}
			
		internal static Point GetMenuOrigin(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("GetMenuOrigin({0}): Called", Window(handle));
			#endif
			return driver.GetMenuOrigin(handle);
		}

		internal static bool GetMessage(object queue_id, ref MSG msg, IntPtr hWnd, int wFilterMin, int wFilterMax) {
			return driver.GetMessage(queue_id, ref msg, hWnd, wFilterMin, wFilterMax);
		}

		internal static IntPtr GetParent(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("GetParent({0}): Called", Window(handle));
			#endif
			return driver.GetParent(handle);
		}

		internal static IntPtr GetPreviousWindow(IntPtr handle) {
			return driver.GetPreviousWindow(handle);
		}

		internal static bool GetText(IntPtr handle, out string text) {
			#if DriverDebug
				Console.WriteLine("GetText({0}): Called", Window(handle));
			#endif
			return driver.GetText(handle, out text);
		}

		internal static void GetWindowPos(IntPtr handle, bool is_toplevel, out int x, out int y, out int width, out int height, out int client_width, out int client_height) {
			#if DriverDebug
				Console.WriteLine("GetWindowPos({0}): Called", Window(handle));
			#endif
			driver.GetWindowPos(handle, is_toplevel, out x, out y, out width, out height, out client_width, out client_height);
		}

		/* this method can (and does, on X11) return
		 * (FormWindowState)(-1), when the state of the window
		 * cannot be determined (in the X11 case, when the
		 * window isn't mapped.)  Checking for the additional
		 * return value is less expensive than
		 * throwing/catching an exception. */
		internal static FormWindowState GetWindowState(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("GetWindowState({0}): Called", Window(handle));
			#endif
			return driver.GetWindowState(handle);
		}

		internal static void GrabInfo(out IntPtr handle, out bool GrabConfined, out Rectangle GrabArea) {
			#if DriverDebug
				Console.WriteLine("GrabInfo(): Called");
			#endif
			driver.GrabInfo(out handle, out GrabConfined, out GrabArea);
		}

		internal static void GrabWindow(IntPtr handle, IntPtr ConfineToHwnd) {
			#if DriverDebug
				Console.WriteLine("GrabWindow({0}, {1}): Called", Window(handle), Window(ConfineToHwnd));
			#endif
			driver.GrabWindow(handle, ConfineToHwnd);
		}

		internal static void HandleException(Exception e) {
			driver.HandleException(e);
		}

		internal static void Invalidate(IntPtr handle, Rectangle rc, bool clear) {
			#if DriverDebug
				Console.WriteLine("Invalidate({0}, {1}, {2}): Called", Window(handle), rc, clear);
			#endif
			driver.Invalidate(handle, rc, clear);
		}

		internal static void InvalidateNC (IntPtr handle)
		{
			#if DriverDebug
				Console.WriteLine("InvalidateNC({0}): Called", Window(handle));
			#endif
			driver.InvalidateNC(handle);
		}


		internal static bool IsEnabled(IntPtr handle) {
			#if DriverDebug || DriverDebugState
				Console.WriteLine("IsEnabled({0}): Called, Result={1}", Window(handle), driver.IsEnabled(handle));
			#endif
			return driver.IsEnabled(handle);
		}

		internal static bool IsKeyLocked (VirtualKeys key)
		{
			#if DriverDebug || DriverDebugState
				Console.WriteLine("IsKeyLocked({0}): Called, Result={1}", key, driver.IsKeyLocked(key));
			#endif
			return driver.IsKeyLocked (key);
		}

		internal static bool IsVisible(IntPtr handle) {
			#if DriverDebug || DriverDebugState
				Console.WriteLine("IsVisible({0}): Called, Result={1}", Window(handle), driver.IsVisible(handle));
			#endif
			return driver.IsVisible(handle);
		}

		internal static void KillTimer (Timer timer)
		{
			#if DriverDebug
				Console.WriteLine("KillTimer({0}): Called", timer);
			#endif
			driver.KillTimer (timer);
		}

		internal static void MenuToScreen(IntPtr handle, ref int x, ref int y) {
			#if DriverDebug
				Console.WriteLine("MenuToScreen({0}, {1}, {2}): Called", Window(handle), x, y);
			#endif
			driver.MenuToScreen(handle, ref x, ref y);
		}

		internal static void OverrideCursor(IntPtr cursor) {
			#if DriverDebug
				Console.WriteLine("OverrideCursor({0:X}): Called", cursor.ToInt32());
			#endif
			driver.OverrideCursor(cursor);
		}

		internal static void PaintEventEnd (ref Message msg, IntPtr handle, bool client) {
			#if DriverDebug || DriverDebugPaint
				Console.WriteLine("PaintEventEnd({0}, {1}, {2}): Called from thread {3}", msg, Window(handle), client, Thread.CurrentThread.GetHashCode());
			#endif
			driver.PaintEventEnd (ref msg, handle, client);
		}

		internal static PaintEventArgs PaintEventStart (ref Message msg, IntPtr handle, bool client) {
			#if DriverDebug || DriverDebugPaint
				Console.WriteLine("PaintEventStart({0}, {1}, {2}): Called from thread {3}", msg, Window(handle), client, Thread.CurrentThread.GetHashCode());
			#endif
			return driver.PaintEventStart (ref msg, handle, client);
		}

		internal static bool PeekMessage(Object queue_id, ref MSG msg, IntPtr hWnd, int wFilterMin, int wFilterMax, uint flags) {
			return driver.PeekMessage(queue_id, ref msg, hWnd, wFilterMin, wFilterMax, flags);
		}

		internal static bool PostMessage(IntPtr hwnd, Msg message, IntPtr wParam, IntPtr lParam) {
			#if DriverDebug
				Console.WriteLine("PostMessage({0}, {1}, {2:X}, {3:X}): Called", Window(hwnd), message, wParam.ToInt32(), lParam.ToInt32());
			#endif
			return driver.PostMessage(hwnd, message, wParam, lParam);
		}

		internal static bool PostMessage(ref MSG msg) {
			#if DriverDebug
				Console.WriteLine("PostMessage({0}): Called", msg);
			#endif
			return driver.PostMessage(msg.hwnd, msg.message, msg.wParam, msg.lParam);
		}

		internal static void PostQuitMessage(int exitCode) {
			#if DriverDebug
				Console.WriteLine("PostQuitMessage({0}): Called", exitCode);
			#endif
			driver.PostQuitMessage(exitCode);
		}

		internal static void RaiseIdle (EventArgs e)
		{
			#if DriverDebug
				Console.WriteLine("RaiseIdle({0}): Called", e.ToString ());
			#endif
			
			driver.RaiseIdle (e);
		}
		
		internal static void RequestAdditionalWM_NCMessages(IntPtr handle, bool hover, bool leave) {
			#if DriverDebug
				Console.WriteLine("RequestAdditionalWM_NCMessages({0}, {1}, {2}): Called", Window(handle), hover, leave);
			#endif
			driver.RequestAdditionalWM_NCMessages (handle, hover, leave);
		}

		internal static void RequestNCRecalc(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("RequestNCRecalc({0}): Called", Window(handle));
			#endif
			driver.RequestNCRecalc(handle);
		}

		internal static void ResetMouseHover(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("ResetMouseHover({0}): Called", Window(handle));
			#endif
			driver.ResetMouseHover(handle);
		}

		internal static void ScreenToClient(IntPtr handle, ref int x, ref int y) {
			#if DriverDebug
				Console.WriteLine("ScreenToClient({0}, {1}, {2}): Called", Window(handle), x, y);
			#endif
			driver.ScreenToClient (handle, ref x, ref y);
		}

		internal static void ScreenToMenu(IntPtr handle, ref int x, ref int y) {
			#if DriverDebug
				Console.WriteLine("ScreenToMenu({0}, {1}, {2}): Called", Window(handle), x, y);
			#endif
			driver.ScreenToMenu(handle, ref x, ref y);
		}

		internal static void ScrollWindow(IntPtr handle, Rectangle rectangle, int XAmount, int YAmount, bool with_children) {
			#if DriverDebug
				Console.WriteLine("ScrollWindow({0}, {1}, {2}, {3}, {4}): Called", Window(handle), rectangle, XAmount, YAmount, with_children);
			#endif
			driver.ScrollWindow(handle, rectangle, XAmount, YAmount, with_children);
		}

		internal static void ScrollWindow(IntPtr handle, int XAmount, int YAmount, bool with_children) {
			#if DriverDebug
				Console.WriteLine("ScrollWindow({0}, {1}, {2}, {3}): Called", Window(handle), XAmount, YAmount, with_children);
			#endif
			driver.ScrollWindow(handle, XAmount, YAmount, with_children);
		}

		internal static void SendAsyncMethod (AsyncMethodData data) {
			#if DriverDebug
				Console.WriteLine("SendAsyncMethod({0}): Called", data);
			#endif
			driver.SendAsyncMethod (data);
		}

		internal static int SendInput (IntPtr hwnd, Queue keys) {
			#if DriverDebug
				Console.WriteLine("SendInput({0}, {1}): Called", hwnd, keys);
			#endif
			return driver.SendInput (hwnd, keys);
		}

		internal static IntPtr SendMessage (IntPtr handle, Msg message, IntPtr wParam, IntPtr lParam) {
			#if DriverDebug
				Console.WriteLine("SendMessage ({0}, {1}, {2:X}, {3:X}): Called", Window(handle), message, wParam.ToInt32(), lParam.ToInt32());
			#endif
			return driver.SendMessage (handle, message, wParam, lParam);
		}

		internal static void SendMessage (ref Message m) {
			#if DriverDebug
				Console.WriteLine("SendMessage ({0}): Called", m);
			#endif
			m.Result = driver.SendMessage(m.HWnd, (Msg)m.Msg, m.WParam, m.LParam);
		}

		internal static void SetAllowDrop (IntPtr handle, bool value)
		{
			#if DriverDebug
			Console.WriteLine ("SetAllowDrop({0}, {1}): Called", handle, value);
			#endif
			driver.SetAllowDrop (handle, value);
		}

		internal static void SetBorderStyle(IntPtr handle, FormBorderStyle border_style) {
			#if DriverDebug
				Console.WriteLine("SetBorderStyle({0}, {1}): Called", Window(handle), border_style);
			#endif
			driver.SetBorderStyle(handle, border_style);
		}

		internal static void SetCaretPos(IntPtr handle, int x, int y) {
			#if DriverDebug
				Console.WriteLine("SetCaretPos({0}, {1}, {2}): Called", Window(handle), x, y);
			#endif
			driver.SetCaretPos(handle, x, y);
		}

		internal static void SetClipRegion(IntPtr handle, Region region) {
			#if DriverDebug
				Console.WriteLine("SetClipRegion({0}, {1}): Called", Window(handle), region);
			#endif
			driver.SetClipRegion(handle, region);
		}

		internal static void SetCursor(IntPtr handle, IntPtr cursor) {
			#if DriverDebug
				Console.WriteLine("SetCursor({0}, {1:X}): Called", Window(handle), cursor.ToInt32());
			#endif
			driver.SetCursor(handle, cursor);
		}

		internal static void SetCursorPos(IntPtr handle, int x, int y) {
			#if DriverDebug
				Console.WriteLine("SetCursorPos({0}, {1}, {2}): Called", Window(handle), x, y);
			#endif
			driver.SetCursorPos(handle, x, y);
		}

		internal static void SetFocus(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("SetFocus({0}): Called", Window(handle));
			#endif
			driver.SetFocus(handle);
		}

		internal static void SetForegroundWindow(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("SetForegroundWindow({0}): Called", Window(handle));
			#endif
			driver.SetForegroundWindow(handle);
		}

		internal static void SetIcon(IntPtr handle, Icon icon) {
			#if DriverDebug
				Console.WriteLine("SetIcon({0}, {1}): Called", Window(handle), icon);
			#endif
			driver.SetIcon(handle, icon);
		}

		internal static void SetMenu(IntPtr handle, Menu menu) {
			#if DriverDebug
				Console.WriteLine("SetMenu({0}, {1}): Called", Window(handle), menu);
			#endif
			driver.SetMenu(handle, menu);
		}

		internal static void SetModal(IntPtr handle, bool Modal) {
			#if DriverDebug || DriverDebugState
				Console.WriteLine("SetModal({0}, {1}): Called", Window(handle), Modal);
			#endif
			driver.SetModal(handle, Modal);
		}

		internal static IntPtr SetParent(IntPtr handle, IntPtr hParent) {
			#if DriverDebug
				Console.WriteLine("SetParent({0}, {1:X}): Called", Window(handle), Window(hParent));
			#endif
			return driver.SetParent(handle, hParent);
		}

		internal static void SetTimer (Timer timer)
		{
			#if DriverDebug
				Console.WriteLine("SetTimer({0}): Called", timer);
			#endif
			driver.SetTimer (timer);
		}

		internal static bool SetTopmost(IntPtr handle, bool Enabled) {
			#if DriverDebug
				Console.WriteLine("SetTopMost({0}, {1}): Called", Window(handle), Enabled);
			#endif
			return driver.SetTopmost(handle, Enabled);
		}

		internal static bool SetOwner(IntPtr handle, IntPtr hWndOwner) {
			#if DriverDebug
				Console.WriteLine("SetOwner({0}, {1}): Called", Window(handle), Window(hWndOwner));
			#endif
			return driver.SetOwner(handle, hWndOwner);
		}

		internal static bool SetVisible (IntPtr handle, bool visible, bool activate)
		{
			#if DriverDebug || DriverDebugState
				Console.WriteLine("SetVisible({0}, {1}, {2}): Called", Window(handle), visible, activate);
			#endif
			return driver.SetVisible (handle, visible, activate);
		}

		internal static void SetWindowMinMax(IntPtr handle, Rectangle maximized, Size min, Size max) {
			#if DriverDebug || DriverDebugState
				Console.WriteLine("SetWindowMinMax({0}, {1}, {2}, {3}): Called", Window(handle), maximized, min, max);
			#endif
			driver.SetWindowMinMax(handle, maximized, min, max);
		}

		internal static void SetWindowPos(IntPtr handle, int x, int y, int width, int height) {
			#if DriverDebug
				Console.WriteLine("SetWindowPos({0}, {1}, {2}, {3}, {4}): Called", Window(handle), x, y, width, height);
			#endif
			driver.SetWindowPos(handle, x, y, width, height);
		}

		internal static void SetWindowState(IntPtr handle, FormWindowState state) {
			#if DriverDebug || DriverDebugState
				Console.WriteLine("SetWindowState({0} {1}): Called", Window(handle), state);
			#endif
			driver.SetWindowState(handle, state);
		}

		internal static void SetWindowStyle(IntPtr handle, CreateParams cp) {
			#if DriverDebug
				Console.WriteLine("SetWindowStyle({0}): Called", Window(handle));
			#endif
			driver.SetWindowStyle(handle, cp);
		}

		internal static double GetWindowTransparency (IntPtr handle)
		{
			#if DriverDebug
				Console.WriteLine("SetWindowTransparency({0}): Called", Window(handle));
			#endif
			return driver.GetWindowTransparency(handle);
		}

		internal static void SetWindowTransparency(IntPtr handle, double transparency, Color key) 
		{
			#if DriverDebug
				Console.WriteLine("SetWindowTransparency({0}): Called", Window(handle));
			#endif
			driver.SetWindowTransparency(handle, transparency, key);
		}

		internal static bool SetZOrder(IntPtr handle, IntPtr AfterhWnd, bool Top, bool Bottom) {
			#if DriverDebug
				Console.WriteLine("SetZOrder({0}, {1:X}, {2}, {3}): Called", Window(handle), Window(AfterhWnd), Top, Bottom);
			#endif
			return driver.SetZOrder(handle, AfterhWnd, Top, Bottom);
		}

		internal static void ShowCursor(bool show) {
			#if DriverDebug
				Console.WriteLine("ShowCursor({0}): Called", show);
			#endif
			driver.ShowCursor(show);
		}

		internal static DragDropEffects StartDrag(IntPtr handle, object data, DragDropEffects allowedEffects) {
			#if DriverDebug
			Console.WriteLine ("StartDrag({0}, {1}, {2}): Called", Window(handle), data, allowedEffects);
			#endif
			return driver.StartDrag (handle, data, allowedEffects);
		}

		internal static object StartLoop(Thread thread) {
			#if DriverDebug
				Console.WriteLine("StartLoop({0:X}): Called", thread.GetHashCode());
			#endif
			return driver.StartLoop(thread);
		}

		internal static TransparencySupport SupportsTransparency() {
			#if DriverDebug
				Console.WriteLine("SupportsTransparency(): Called, result={0}", driver.SupportsTransparency());
			#endif
			return driver.SupportsTransparency();
		}

		internal static bool SystrayAdd(IntPtr handle, string tip, Icon icon, out ToolTip tt) {
			#if DriverDebug
				Console.WriteLine("SystrayAdd({0}, {1}): Called", Window(handle), tip);
			#endif
			return driver.SystrayAdd(handle, tip, icon, out tt);
		}

		internal static void SystrayChange(IntPtr handle, string tip, Icon icon, ref ToolTip tt) {
			#if DriverDebug
				Console.WriteLine("SystrayChange({0}, {1}): Called", Window(handle), tip);
			#endif
			driver.SystrayChange(handle, tip, icon, ref tt);
		}

		internal static void SystrayRemove(IntPtr handle, ref ToolTip tt) {
			#if DriverDebug
				Console.WriteLine("SystrayRemove({0}): Called", Window(handle));
			#endif
			driver.SystrayRemove(handle, ref tt);
		}

#if NET_2_0
		internal static void SystrayBalloon(IntPtr handle, int timeout, string title, string text, ToolTipIcon icon) {
			#if DriverDebug
				Console.WriteLine("SystrayBalloon ({0}, {1}, {2}, {3}, {4}): Called", Window(handle), timeout, title, text, icon);
			#endif
			driver.SystrayBalloon(handle, timeout, title, text, icon);
		}
#endif

		internal static bool Text(IntPtr handle, string text) {
			#if DriverDebug
				Console.WriteLine("Text({0}, {1}): Called", Window(handle), text);
			#endif
			return driver.Text(handle, text);
		}

		internal static bool TranslateMessage(ref MSG msg) {
			return driver.TranslateMessage(ref msg);
		}

		internal static void UngrabWindow(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("UngrabWindow({0}): Called", Window(handle));
			#endif
			driver.UngrabWindow(handle);
		}

		internal static void UpdateWindow(IntPtr handle) {
			#if DriverDebug
				Console.WriteLine("UpdateWindow({0}): Called", Window(handle));
			#endif
			driver.UpdateWindow(handle);
		}

		// double buffering
		internal static void CreateOffscreenDrawable (IntPtr handle,
							    int width, int height,
							    out object offscreen_drawable)
		{
#if DriverDebug
			Console.WriteLine("CreateOffscreenDrawable({2}, {0},{1}): Called", width, height, Window(handle));
#endif
			driver.CreateOffscreenDrawable (handle, width, height,
							out offscreen_drawable);
		}

		internal static void DestroyOffscreenDrawable (object offscreen_drawable)
		{
#if DriverDebug
			Console.WriteLine("DestroyOffscreenDrawable(): Called");
#endif
			driver.DestroyOffscreenDrawable (offscreen_drawable);
		}

		internal static Graphics GetOffscreenGraphics (object offscreen_drawable)
		{
#if DriverDebug
			Console.WriteLine("GetOffscreenGraphics(): Called");
#endif
			return driver.GetOffscreenGraphics (offscreen_drawable);
		}

		internal static void BlitFromOffscreen (IntPtr dest_handle,
						      Graphics dest_dc,
						      object offscreen_drawable,
						      Graphics offscreen_dc,
						      Rectangle r)
		{
#if DriverDebug
			Console.WriteLine("BlitFromOffscreen({0}): Called", Window(dest_handle));
#endif
			driver.BlitFromOffscreen (dest_handle, dest_dc, offscreen_drawable, offscreen_dc, r);
		}


		// Santa's little helper
		internal static void Version() {
			Console.WriteLine("Xplat version $Revision: $");
		}
		#endregion	// Public Static Methods

		#region	Delegates
		public delegate bool ClipboardToObject(int type, IntPtr data, out object obj);
		public delegate bool ObjectToClipboard(ref int type, object obj, out byte[] data);
		#endregion	// Delegates

		[DllImport ("libc")]
		static extern int uname (IntPtr buf);
	}
}