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// 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) 2004-2005 Novell, Inc.
//
// Authors:
// Jordi Mas i Hernandez, jordi@ximian.com
//
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
namespace System.Windows.Forms
{
[DefaultEvent("Popup")]
public class ContextMenu : Menu
{
private RightToLeft right_to_left;
private Control src_control;
#region Events
static object CollapseEvent = new object ();
static object PopupEvent = new object ();
public event EventHandler Collapse {
add { Events.AddHandler (CollapseEvent, value); }
remove { Events.RemoveHandler (CollapseEvent, value); }
}
public event EventHandler Popup {
add { Events.AddHandler (PopupEvent, value); }
remove { Events.RemoveHandler (PopupEvent, value); }
}
#endregion Events
public ContextMenu () : base (null)
{
tracker = new MenuTracker (this);
right_to_left = RightToLeft.Inherit;
}
public ContextMenu (MenuItem [] menuItems) : base (menuItems)
{
tracker = new MenuTracker (this);
right_to_left = RightToLeft.Inherit;
}
#region Public Properties
[Localizable(true)]
[DefaultValue (RightToLeft.No)]
public virtual RightToLeft RightToLeft {
get { return right_to_left; }
set { right_to_left = value; }
}
[Browsable(false)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public Control SourceControl {
get { return src_control; }
}
#endregion Public Properties
#region Public Methods
protected internal virtual bool ProcessCmdKey (ref Message msg, Keys keyData, Control control)
{
src_control = control;
return ProcessCmdKey (ref msg, keyData);
}
protected internal virtual void OnCollapse (EventArgs e)
{
EventHandler eh = (EventHandler) (Events [CollapseEvent]);
if (eh != null)
eh (this, e);
}
protected internal virtual void OnPopup (EventArgs e)
{
EventHandler eh = (EventHandler) (Events [PopupEvent]);
if (eh != null)
eh (this, e);
}
public void Show (Control control, Point pos)
{
if (control == null)
throw new ArgumentException ();
src_control = control;
OnPopup (EventArgs.Empty);
pos = control.PointToScreen (pos);
MenuTracker.TrackPopupMenu (this, pos);
OnCollapse (EventArgs.Empty);
}
public void Show (Control control, Point pos, LeftRightAlignment alignment)
{
Point point;
if (alignment == LeftRightAlignment.Left)
point = new Point ((pos.X - control.Width), pos.Y);
else
point = pos;
Show (control, point);
}
#endregion Public Methods
internal void Hide ()
{
tracker.Deactivate ();
}
}
}
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