1 files changed, 124 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/MdiWindowManager.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/MdiWindowManager.cs
new file mode 100644
index 00000000000..5c6464093d3
--- /dev/null
+++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/MdiWindowManager.cs
@@ -0,0 +1,124 @@
+// 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) 2005 Novell, Inc. (http://www.novell.com)
+//
+// Authors:
+//	Jackson Harper (jackson@ximian.com)
+//
+//
+
+
+using System;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+
+namespace System.Windows.Forms {
+
+	internal class MdiWindowManager : InternalWindowManager {
+
+		private static readonly int MdiBorderStyle = 0xFFFF;
+
+		private MainMenu merged_menu;
+		private MdiClient mdi_container;
+		private Rectangle prev_virtual_position;
+
+		public MdiWindowManager (Form form, MdiClient mdi_container) : base (form)
+		{
+			this.mdi_container = mdi_container;
+		}
+
+		public MainMenu MergedMenu {
+			get {
+				if (merged_menu == null)
+					merged_menu = CreateMergedMenu ();
+				return merged_menu;
+			}
+		}
+
+		private MainMenu CreateMergedMenu ()
+		{
+			Form parent = (Form) mdi_container.Parent;
+			MainMenu clone = (MainMenu) parent.Menu.CloneMenu ();
+			clone.MergeMenu (form.Menu);
+			clone.MenuChanged += new EventHandler (MenuChangedHandler);
+			clone.SetForm (parent);
+			return clone;
+		}
+
+		private void MenuChangedHandler (object sender, EventArgs e)
+		{
+			CreateMergedMenu ();
+		}
+
+		public override void PointToClient (ref int x, ref int y)
+		{
+			XplatUI.ScreenToClient (mdi_container.Handle, ref x, ref y);
+		}
+
+		public override void PointToScreen (ref int x, ref int y)
+		{
+			XplatUI.ClientToScreen (mdi_container.Handle, ref x, ref y);
+		}
+
+		public override void UpdateBorderStyle (FormBorderStyle border_style)
+		{
+			base.UpdateBorderStyle (border_style);
+
+			if (border_style != FormBorderStyle.None)
+				XplatUI.SetBorderStyle (form.Handle, (FormBorderStyle) MdiBorderStyle);
+			else
+				XplatUI.SetBorderStyle (form.Handle, FormBorderStyle.None);
+		}
+
+		protected override bool ShouldRemoveWindowManager (FormBorderStyle style)
+		{
+			return false;
+		}
+
+		protected override void HandleWindowMove (Message m)
+		{
+			Point move = MouseMove (m);
+
+			int x = virtual_position.X + move.X;
+			int y = virtual_position.Y + move.Y;
+
+			UpdateVP (x, y, form.Width, form.Height);
+			start = Cursor.Position;
+		}
+
+		protected override void DrawVirtualPosition (Rectangle virtual_position)
+		{
+			ClearVirtualPosition ();
+
+			if (form.Parent != null)
+				XplatUI.DrawReversibleRectangle (form.Parent.Handle, virtual_position, 2);
+			prev_virtual_position = virtual_position;
+		}
+
+		protected override void ClearVirtualPosition ()
+		{
+			if (prev_virtual_position != Rectangle.Empty && form.Parent != null)
+				XplatUI.DrawReversibleRectangle (form.Parent.Handle,
+						prev_virtual_position, 2);
+			prev_virtual_position = Rectangle.Empty;
+		}
+	}
+}
+