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//
// ToolStripOverflow.cs
//
// 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) 2007 Novell
//
// Authors:
// Jonathan Pobst (monkey@jpobst.com)
//
using System;
using System.Runtime.InteropServices;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms.Layout;
namespace System.Windows.Forms
{
[ComVisible (true)]
[ClassInterface (ClassInterfaceType.AutoDispatch)]
public class ToolStripOverflow : ToolStripDropDown, IComponent, IDisposable
{
private LayoutEngine layout_engine;
#region Public Constructors
public ToolStripOverflow (ToolStripItem parentItem)
{
this.OwnerItem = parentItem;
}
#endregion
#region Public Properties
// XXX - This probably adds ToolStripOverflowButton to the returned collection
public override ToolStripItemCollection Items {
get { return base.Items; }
}
public override LayoutEngine LayoutEngine {
get {
if (this.layout_engine == null)
this.layout_engine = new FlowLayout ();
return base.LayoutEngine;
}
}
#endregion
#region Protected Properties
protected internal override ToolStripItemCollection DisplayedItems {
get { return base.DisplayedItems; }
}
#endregion
#region Public Methods
public override Size GetPreferredSize (Size constrainingSize)
{
return base.GetToolStripPreferredSize (constrainingSize);
}
#endregion
#region Protected Methods
protected override AccessibleObject CreateAccessibilityInstance ()
{
return new ToolStripOverflowAccessibleObject ();
}
[MonoInternalNote ("This should stack in rows of ~3, but for now 1 column will work.")]
protected override void OnLayout (LayoutEventArgs e)
{
SetDisplayedItems ();
// Find the widest menu item
int widest = 0;
foreach (ToolStripItem tsi in this.DisplayedItems) {
if (!tsi.Available)
continue;
if (tsi.GetPreferredSize (Size.Empty).Width > widest)
widest = tsi.GetPreferredSize (Size.Empty).Width;
}
int x = this.Padding.Left;
widest += this.Padding.Horizontal;
int y = this.Padding.Top;
foreach (ToolStripItem tsi in this.DisplayedItems) {
if (!tsi.Available)
continue;
y += tsi.Margin.Top;
int height = 0;
if (tsi is ToolStripSeparator)
height = 7;
else
height = tsi.GetPreferredSize (Size.Empty).Height;
tsi.SetBounds (new Rectangle (x, y, widest, height));
y += tsi.Height + tsi.Margin.Bottom;
}
this.Size = new Size (widest + this.Padding.Horizontal, y + this.Padding.Bottom);// + 2);
}
protected override void SetDisplayedItems ()
{
this.displayed_items.ClearInternal ();
if (this.OwnerItem != null && this.OwnerItem.Parent != null)
foreach (ToolStripItem tsi in this.OwnerItem.Parent.Items)
if (tsi.Placement == ToolStripItemPlacement.Overflow && tsi.Available && !(tsi is ToolStripSeparator)) {
this.displayed_items.AddNoOwnerOrLayout (tsi);
//tsi.Parent = this;
}
this.PerformLayout ();
}
#endregion
#region Internal Methods
internal ToolStrip ParentToolStrip {
get { return (ToolStrip)this.OwnerItem.Parent; }
}
#endregion
#region ToolStripOverflowAccessibleObject Class
private class ToolStripOverflowAccessibleObject : AccessibleObject
{
}
#endregion
}
}
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