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)
25 // TODO: Eventually we need to handle the cursor and resizing the parent
30 namespace System.Windows.Forms {
32 internal class SizeGrip : Control {
33 #region Local Variables
35 private Point capture_point;
38 private bool show_grip;
39 private bool hide_pending;
40 #endregion // Local Variables
45 this.Cursor = Cursors.SizeNWSE;
50 #endregion // Constructors
53 public bool ShowGrip {
63 #endregion // Properties
66 protected override void OnPaint (PaintEventArgs pe) {
69 if (redraw && show_grip) {
70 ControlPaint.DrawSizeGrip (pe.Graphics, BackColor, ClientRectangle);
74 protected override void OnSizeChanged (EventArgs e) {
75 base.OnSizeChanged (e);
79 protected override void OnVisibleChanged (EventArgs e) {
80 base.OnVisibleChanged (e);
84 protected override void OnMouseDown(MouseEventArgs e) {
87 capture_point = Control.MousePosition;
89 window_w = parent.Width;
90 window_h = parent.Height;
93 protected override void OnMouseMove(MouseEventArgs e) {
94 if (this.is_captured) {
99 current_point = Control.MousePosition;
101 delta_x = current_point.X - capture_point.X;
102 delta_y = current_point.Y - capture_point.Y;
104 this.parent.Size = new Size(window_w + delta_x, window_h + delta_y);
109 protected override void OnMouseUp(MouseEventArgs e) {
114 hide_pending = false;
120 protected override void SetVisibleCore(bool value) {
122 if (value == false) {
125 hide_pending = false;
129 base.SetVisibleCore (value);
132 #endregion // Methods