diff options
Diffstat (limited to 'mcs/class/Managed.Windows.Forms/System.Windows.Forms/SizeGrip.cs')
-rw-r--r-- | mcs/class/Managed.Windows.Forms/System.Windows.Forms/SizeGrip.cs | 134 |
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 --- /dev/null +++ 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 + } +} + + |