System.Windows.Forms.XplatUICarbon.CreateWindow C# (CSharp) Method

		internal override IntPtr CreateWindow(CreateParams cp) {
			Hwnd hwnd;
			Hwnd parent_hwnd = null;
			int X;
			int Y;
			int Width;
			int Height;
			IntPtr ParentHandle;
			IntPtr WindowHandle;
			IntPtr WholeWindow;
			IntPtr ClientWindow;
			IntPtr WholeWindowTracking;
			IntPtr ClientWindowTracking;

			hwnd = new Hwnd ();

			X = cp.X;
			Y = cp.Y;
			Width = cp.Width;
			Height = cp.Height;
			ParentHandle = IntPtr.Zero;
			WindowHandle = IntPtr.Zero;
			WholeWindow = IntPtr.Zero;
			ClientWindow = IntPtr.Zero;
			WholeWindowTracking = IntPtr.Zero;
			ClientWindowTracking = IntPtr.Zero;

			if (Width < 1) Width = 1;	
			if (Height < 1) Height = 1;	

			if (cp.Parent != IntPtr.Zero) {
				parent_hwnd = Hwnd.ObjectFromHandle (cp.Parent);
				ParentHandle = parent_hwnd.client_window;
			} else {
				if (StyleSet (cp.Style, WindowStyles.WS_CHILD)) {
					HIViewFindByID (HIViewGetRoot (FosterParent), new Carbon.HIViewID (Carbon.EventHandler.kEventClassWindow, 1), ref ParentHandle);
				}
			}

			Point next;
			if (cp.control is Form) {
				next = Hwnd.GetNextStackedFormLocation (cp, parent_hwnd);
				X = next.X;
				Y = next.Y;
			}

			hwnd.x = X;
			hwnd.y = Y;
			hwnd.width = Width;
			hwnd.height = Height;
			hwnd.Parent = Hwnd.ObjectFromHandle (cp.Parent);
			hwnd.initial_style = cp.WindowStyle;
			hwnd.initial_ex_style = cp.WindowExStyle;
			hwnd.visible = false;

			if (StyleSet (cp.Style, WindowStyles.WS_DISABLED)) {
				hwnd.enabled = false;
			}

			ClientWindow = IntPtr.Zero;

			Size QWindowSize = TranslateWindowSizeToQuartzWindowSize (cp);
			Rectangle QClientRect = TranslateClientRectangleToQuartzClientRectangle (hwnd, cp.control);

			SetHwndStyles(hwnd, cp);
/* FIXME */
			if (ParentHandle == IntPtr.Zero) {
				IntPtr WindowView = IntPtr.Zero;
				IntPtr GrowBox = IntPtr.Zero;
				Carbon.WindowClass windowklass = Carbon.WindowClass.kOverlayWindowClass;
				Carbon.WindowAttributes attributes = Carbon.WindowAttributes.kWindowCompositingAttribute | Carbon.WindowAttributes.kWindowStandardHandlerAttribute;
				if (StyleSet (cp.Style, WindowStyles.WS_MINIMIZEBOX)) {
					attributes |= Carbon.WindowAttributes.kWindowCollapseBoxAttribute;
				}
				if (StyleSet (cp.Style, WindowStyles.WS_MAXIMIZEBOX)) {
					attributes |= Carbon.WindowAttributes.kWindowResizableAttribute | Carbon.WindowAttributes.kWindowHorizontalZoomAttribute | Carbon.WindowAttributes.kWindowVerticalZoomAttribute;
				}
				if (StyleSet (cp.Style, WindowStyles.WS_SYSMENU)) {
					attributes |= Carbon.WindowAttributes.kWindowCloseBoxAttribute;
				}
				if (StyleSet (cp.Style, WindowStyles.WS_CAPTION)) {
					windowklass = Carbon.WindowClass.kDocumentWindowClass;
				}
				if (hwnd.border_style == FormBorderStyle.FixedToolWindow) {
					windowklass = Carbon.WindowClass.kUtilityWindowClass;
				} else if (hwnd.border_style == FormBorderStyle.SizableToolWindow) {
					attributes |= Carbon.WindowAttributes.kWindowResizableAttribute;
					windowklass = Carbon.WindowClass.kUtilityWindowClass;
				}
				if (windowklass == Carbon.WindowClass.kOverlayWindowClass) {
					attributes = Carbon.WindowAttributes.kWindowCompositingAttribute | Carbon.WindowAttributes.kWindowStandardHandlerAttribute;
				}
				attributes |= Carbon.WindowAttributes.kWindowLiveResizeAttribute;

				Carbon.Rect rect = new Carbon.Rect ();
				if (StyleSet (cp.Style, WindowStyles.WS_POPUP)) {
					SetRect (ref rect, (short)X, (short)(Y), (short)(X + QWindowSize.Width), (short)(Y + QWindowSize.Height));
				} else {
					SetRect (ref rect, (short)X, (short)(Y + MenuBarHeight), (short)(X + QWindowSize.Width), (short)(Y + MenuBarHeight + QWindowSize.Height));
				}

				CreateNewWindow (windowklass, attributes, ref rect, ref WindowHandle);

				Carbon.EventHandler.InstallWindowHandler (WindowHandle);
				HIViewFindByID (HIViewGetRoot (WindowHandle), new Carbon.HIViewID (Carbon.EventHandler.kEventClassWindow, 1), ref WindowView);
				HIViewFindByID (HIViewGetRoot (WindowHandle), new Carbon.HIViewID (Carbon.EventHandler.kEventClassWindow, 7), ref GrowBox);
				HIGrowBoxViewSetTransparent (GrowBox, true);
				SetAutomaticControlDragTrackingEnabledForWindow (WindowHandle, true);
				ParentHandle = WindowView;
			}

			HIObjectCreate (__CFStringMakeConstantString ("com.novell.mwfview"), 0, ref WholeWindow);
			HIObjectCreate (__CFStringMakeConstantString ("com.novell.mwfview"), 0, ref ClientWindow);

			Carbon.EventHandler.InstallControlHandler (WholeWindow);
			Carbon.EventHandler.InstallControlHandler (ClientWindow);

			// Enable embedding on controls
			HIViewChangeFeatures (WholeWindow, 1<<1, 0);
			HIViewChangeFeatures (ClientWindow, 1<<1, 0);

			HIViewNewTrackingArea (WholeWindow, IntPtr.Zero, (UInt64)WholeWindow, ref WholeWindowTracking);
			HIViewNewTrackingArea (ClientWindow, IntPtr.Zero, (UInt64)ClientWindow, ref ClientWindowTracking);
			Carbon.HIRect WholeRect;
			if (WindowHandle != IntPtr.Zero) {
				WholeRect = new Carbon.HIRect (0, 0, QWindowSize.Width, QWindowSize.Height);
			} else {
				WholeRect = new Carbon.HIRect (X, Y, QWindowSize.Width, QWindowSize.Height);
			}
			Carbon.HIRect ClientRect = new Carbon.HIRect (QClientRect.X, QClientRect.Y, QClientRect.Width, QClientRect.Height);
			HIViewSetFrame (WholeWindow, ref WholeRect);
			HIViewSetFrame (ClientWindow, ref ClientRect);

			HIViewAddSubview (ParentHandle, WholeWindow);
			HIViewAddSubview (WholeWindow, ClientWindow);

			hwnd.WholeWindow = WholeWindow;
			hwnd.ClientWindow = ClientWindow;

			if (WindowHandle != IntPtr.Zero) {
				WindowMapping [hwnd.Handle] = WindowHandle;
				HandleMapping [WindowHandle] = hwnd.Handle;
				if (hwnd.border_style == FormBorderStyle.FixedToolWindow || hwnd.border_style == FormBorderStyle.SizableToolWindow) {
					UtilityWindows.Add (WindowHandle);
				}
			}

			// Allow dnd on controls
			Dnd.SetAllowDrop (hwnd, true);

			Text (hwnd.Handle, cp.Caption);
			
			SendMessage (hwnd.Handle, Msg.WM_CREATE, (IntPtr)1, IntPtr.Zero /* XXX unused */);
			SendParentNotify (hwnd.Handle, Msg.WM_CREATE, int.MaxValue, int.MaxValue);

			if (StyleSet (cp.Style, WindowStyles.WS_VISIBLE)) {
				if (WindowHandle != IntPtr.Zero) {
					if (Control.FromHandle(hwnd.Handle) is Form) {
						Form f = Control.FromHandle(hwnd.Handle) as Form;
						if (f.WindowState == FormWindowState.Normal) {
							SendMessage(hwnd.Handle, Msg.WM_SHOWWINDOW, (IntPtr)1, IntPtr.Zero);
						}
					}
					ShowWindow (WindowHandle);
					WaitForHwndMessage (hwnd, Msg.WM_SHOWWINDOW);
				}
				HIViewSetVisible (WholeWindow, true);
				HIViewSetVisible (ClientWindow, true);
				hwnd.visible = true;
				if (!(Control.FromHandle(hwnd.Handle) is Form)) {
					SendMessage(hwnd.Handle, Msg.WM_SHOWWINDOW, (IntPtr)1, IntPtr.Zero);
				}
			}

			if (StyleSet (cp.Style, WindowStyles.WS_MINIMIZE)) {
				SetWindowState(hwnd.Handle, FormWindowState.Minimized);
			} else if (StyleSet (cp.Style, WindowStyles.WS_MAXIMIZE)) {
				SetWindowState(hwnd.Handle, FormWindowState.Maximized);
			}

			return hwnd.Handle;
		}