Imported Upstream version 4.2.0.179

Former-commit-id: 0a113cb3a6feb7873f632839b1307cc6033cd595

mcs/class/System.Windows.Forms/System.Windows.Forms.CarbonInternal/ApplicationHandler.cs

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+// 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) 2007 Novell, Inc.
+//
+// Authors:
+//	Geoff Norton  <gnorton@novell.com>
+//
+//
+
+using System;
+
+namespace System.Windows.Forms.CarbonInternal {
+	internal class ApplicationHandler : EventHandlerBase, IEventHandler {
+		internal const uint kEventAppActivated = 1;
+		internal const uint kEventAppDeactivated = 2;
+		internal const uint kEventAppQuit = 3;
+		internal const uint kEventAppLaunchNotification = 4;
+		internal const uint kEventAppLaunched = 5;
+		internal const uint kEventAppTerminated = 6;
+		internal const uint kEventAppFrontSwitched = 7;
+		internal const uint kEventAppFocusMenuBar = 8;
+		internal const uint kEventAppFocusNextDocumentWindow = 9;
+		internal const uint kEventAppFocusNextFloatingWindow = 10;
+		internal const uint kEventAppFocusToolbar = 11;
+		internal const uint kEventAppFocusDrawer = 12;
+		internal const uint kEventAppGetDockTileMenu = 20;
+		internal const uint kEventAppIsEventInInstantMouser = 104;
+		internal const uint kEventAppHidden = 107;
+		internal const uint kEventAppShown = 108;
+		internal const uint kEventAppSystemUIModeChanged = 109;
+		internal const uint kEventAppAvailableWindowBoundsChanged = 110;
+		internal const uint kEventAppActiveWindowChanged = 111;
+
+		internal ApplicationHandler (XplatUICarbon driver) : base (driver) {}
+
+		public bool ProcessEvent (IntPtr callref, IntPtr eventref, IntPtr handle, uint kind, ref MSG msg) {
+			switch (kind) {
+				case kEventAppActivated: {
+					foreach (IntPtr utility_window in XplatUICarbon.UtilityWindows)
+						if (!XplatUICarbon.IsWindowVisible (utility_window))
+							XplatUICarbon.ShowWindow (utility_window);
+					break;
+				}
+				case kEventAppDeactivated: {
+					if (XplatUICarbon.FocusWindow != IntPtr.Zero) {
+						Driver.SendMessage (XplatUICarbon.FocusWindow, Msg.WM_KILLFOCUS, IntPtr.Zero, IntPtr.Zero);
+					} 
+					if (XplatUICarbon.Grab.Hwnd != IntPtr.Zero) {
+						Driver.SendMessage (Hwnd.ObjectFromHandle (XplatUICarbon.Grab.Hwnd).Handle, Msg.WM_LBUTTONDOWN, (IntPtr)MsgButtons.MK_LBUTTON, (IntPtr) (Driver.MousePosition.X << 16 | Driver.MousePosition.Y));
+					}
+					foreach (IntPtr utility_window in XplatUICarbon.UtilityWindows)
+						if (XplatUICarbon.IsWindowVisible (utility_window))
+							XplatUICarbon.HideWindow (utility_window);
+					break;
+				}
+			}
+
+			return true;
+		}
+	}
+}