1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2005 Novell, Inc.
23 // Jackson Harper (jackson@ximian.com)
28 namespace System.Windows.Forms {
30 internal class SizeGrip : Control {
31 #region Local Variables
33 private Point capture_point;
36 private bool show_grip;
37 private bool hide_pending;
38 #endregion // Local Variables
43 this.Cursor = Cursors.SizeNWSE;
48 #endregion // Constructors
51 public bool ShowGrip {
61 #endregion // Properties
64 protected override void OnPaint (PaintEventArgs pe) {
65 if (redraw && show_grip) {
66 pe.Graphics.FillRectangle (new SolidBrush (ThemeEngine.Current.ColorControl), ClientRectangle);
67 ControlPaint.DrawSizeGrip (pe.Graphics, BackColor, ClientRectangle);
72 protected override void OnSizeChanged (EventArgs e) {
73 base.OnSizeChanged (e);
77 protected override void OnVisibleChanged (EventArgs e) {
78 base.OnVisibleChanged (e);
82 protected override void OnMouseDown(MouseEventArgs e) {
85 capture_point = Control.MousePosition;
87 window_w = parent.Width;
88 window_h = parent.Height;
91 protected override void OnMouseMove(MouseEventArgs e) {
97 current_point = Control.MousePosition;
99 delta_x = current_point.X - capture_point.X;
100 delta_y = current_point.Y - capture_point.Y;
102 this.parent.Size = new Size(window_w + delta_x, window_h + delta_y);
107 protected override void OnMouseUp(MouseEventArgs e) {
112 hide_pending = false;
118 protected override void SetVisibleCore(bool value) {
120 if (value == false) {
123 hide_pending = false;
127 base.SetVisibleCore (value);
130 #endregion // Methods