152 lines
4.2 KiB
C#
152 lines
4.2 KiB
C#
//
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// ToolStripOverflow.cs
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2007 Novell
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//
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// Authors:
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// Jonathan Pobst (monkey@jpobst.com)
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//
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using System;
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using System.Runtime.InteropServices;
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms.Layout;
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namespace System.Windows.Forms
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{
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[ComVisible (true)]
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[ClassInterface (ClassInterfaceType.AutoDispatch)]
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public class ToolStripOverflow : ToolStripDropDown, IComponent, IDisposable
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{
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private LayoutEngine layout_engine;
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#region Public Constructors
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public ToolStripOverflow (ToolStripItem parentItem)
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{
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this.OwnerItem = parentItem;
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}
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#endregion
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#region Public Properties
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// XXX - This probably adds ToolStripOverflowButton to the returned collection
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public override ToolStripItemCollection Items {
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get { return base.Items; }
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}
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public override LayoutEngine LayoutEngine {
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get {
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if (this.layout_engine == null)
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this.layout_engine = new FlowLayout ();
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return base.LayoutEngine;
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}
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}
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#endregion
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#region Protected Properties
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protected internal override ToolStripItemCollection DisplayedItems {
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get { return base.DisplayedItems; }
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}
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#endregion
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#region Public Methods
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public override Size GetPreferredSize (Size constrainingSize)
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{
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return base.GetToolStripPreferredSize (constrainingSize);
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}
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#endregion
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#region Protected Methods
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protected override AccessibleObject CreateAccessibilityInstance ()
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{
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return new ToolStripOverflowAccessibleObject ();
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}
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[MonoInternalNote ("This should stack in rows of ~3, but for now 1 column will work.")]
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protected override void OnLayout (LayoutEventArgs e)
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{
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SetDisplayedItems ();
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// Find the widest menu item
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int widest = 0;
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foreach (ToolStripItem tsi in this.DisplayedItems) {
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if (!tsi.Available)
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continue;
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if (tsi.GetPreferredSize (Size.Empty).Width > widest)
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widest = tsi.GetPreferredSize (Size.Empty).Width;
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}
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int x = this.Padding.Left;
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widest += this.Padding.Horizontal;
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int y = this.Padding.Top;
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foreach (ToolStripItem tsi in this.DisplayedItems) {
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if (!tsi.Available)
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continue;
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y += tsi.Margin.Top;
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int height = 0;
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if (tsi is ToolStripSeparator)
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height = 7;
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else
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height = tsi.GetPreferredSize (Size.Empty).Height;
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tsi.SetBounds (new Rectangle (x, y, widest, height));
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y += tsi.Height + tsi.Margin.Bottom;
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}
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this.Size = new Size (widest + this.Padding.Horizontal, y + this.Padding.Bottom);// + 2);
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}
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protected override void SetDisplayedItems ()
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{
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this.displayed_items.ClearInternal ();
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if (this.OwnerItem != null && this.OwnerItem.Parent != null)
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foreach (ToolStripItem tsi in this.OwnerItem.Parent.Items)
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if (tsi.Placement == ToolStripItemPlacement.Overflow && tsi.Available && !(tsi is ToolStripSeparator)) {
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this.displayed_items.AddNoOwnerOrLayout (tsi);
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//tsi.Parent = this;
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}
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this.PerformLayout ();
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}
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#endregion
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#region Internal Methods
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internal ToolStrip ParentToolStrip {
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get { return (ToolStrip)this.OwnerItem.Parent; }
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}
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#endregion
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#region ToolStripOverflowAccessibleObject Class
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private class ToolStripOverflowAccessibleObject : AccessibleObject
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{
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}
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#endregion
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}
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}
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