1 files changed, 134 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/SizeGrip.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/SizeGrip.cs
new file mode 100644
index 00000000000..c2056a6844f
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+++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/SizeGrip.cs
@@ -0,0 +1,134 @@
+// 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.
+//
+// Authors:
+//	Jackson Harper (jackson@ximian.com)
+
+using System;
+using System.Drawing;
+
+namespace System.Windows.Forms {
+
+	internal class SizeGrip : Control {
+		#region Local Variables
+		private bool	redraw;
+		private Point	capture_point;
+		private int	window_w;
+		private int	window_h;
+		private bool	show_grip;
+		private bool	hide_pending;
+		#endregion	// Local Variables
+
+		#region Constructors
+		public SizeGrip ()
+		{
+			this.Cursor = Cursors.SizeNWSE;
+			show_grip = true;
+			redraw = true;
+			hide_pending = false;
+		}
+		#endregion	// Constructors
+
+		#region Properties
+		public bool ShowGrip {
+			get {
+				return show_grip;
+			}
+
+			set {
+				show_grip = value;
+				redraw = true;
+			}
+		}
+		#endregion	// Properties
+
+		#region Methods
+		protected override void OnPaint (PaintEventArgs pe) {
+			if (redraw && show_grip) {
+				pe.Graphics.FillRectangle (new SolidBrush (ThemeEngine.Current.ColorControl), ClientRectangle);
+                                ControlPaint.DrawSizeGrip (pe.Graphics, BackColor, ClientRectangle);
+			}
+			base.OnPaint (pe);
+		}
+
+		protected override void OnSizeChanged (EventArgs e) {
+			base.OnSizeChanged (e);
+			redraw = true;
+		}
+
+		protected override void OnVisibleChanged (EventArgs e) {
+			base.OnVisibleChanged (e);
+			redraw = true;
+		}
+
+		protected override void OnMouseDown(MouseEventArgs e) {
+			Capture = true;
+			
+			capture_point = Control.MousePosition;
+
+			window_w = parent.Width;
+			window_h = parent.Height;
+		}
+
+		protected override void OnMouseMove(MouseEventArgs e) {
+			if (this.is_captured) {
+				int	delta_x;
+				int	delta_y;
+				Point	current_point;
+
+				current_point = Control.MousePosition;
+
+				delta_x = current_point.X - capture_point.X;
+				delta_y = current_point.Y - capture_point.Y;
+
+				this.parent.Size = new Size(window_w + delta_x, window_h + delta_y);
+				XplatUI.DoEvents();
+			}
+		}
+
+		protected override void OnMouseUp(MouseEventArgs e) {
+			if (Capture) {
+				Capture = false;
+				if (hide_pending) {
+					Hide();
+					hide_pending = false;
+				}
+			}
+		}
+
+
+		protected override void SetVisibleCore(bool value) {
+			if (Capture) {
+				if (value == false) {
+					hide_pending = true;
+				} else {
+					hide_pending = false;
+				}
+				return;
+			}
+			base.SetVisibleCore (value);
+		}
+
+		#endregion	// Methods
+	}
+}
+
+