mcs/class/Managed.Windows.Forms/System.Windows.Forms/ToolStripOverflowButton.cs

   1 //
   2 // ToolStripOverflowButton.cs
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 // Copyright (c) 2007 Novell
  24 //
  25 // Authors:
  26 //      Jonathan Pobst (monkey@jpobst.com)
  27 //
  28
  29 using System;
  30 using System.Runtime.InteropServices;
  31 using System.ComponentModel;
  32 using System.Drawing;
  33 using System.Windows.Forms.Design;
  34
  35 namespace System.Windows.Forms
  36 {
  37         [ToolStripItemDesignerAvailability (ToolStripItemDesignerAvailability.None)]
  38         public class ToolStripOverflowButton : ToolStripDropDownButton
  39         {
  40                 #region Internal Constructor
  41                 internal ToolStripOverflowButton (ToolStrip ts)
  42                 {
  43                         this.InternalOwner = ts;
  44                         this.Parent = ts;
  45                         this.Visible = false;
  46                 }
  47                 #endregion
  48
  49                 #region Public Properties
  50                 public override bool HasDropDownItems {
  51                         get {
  52                                 if (this.drop_down == null)
  53                                         return false;
  54
  55                                 return this.DropDown.DisplayedItems.Count > 0;
  56                         }
  57                 }
  58
  59                 [Browsable (false)]
  60                 [EditorBrowsable (EditorBrowsableState.Never)]
  61                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  62                 public new bool RightToLeftAutoMirrorImage {
  63                         get { return base.RightToLeftAutoMirrorImage; }
  64                         set { base.RightToLeftAutoMirrorImage = value; }
  65                 }
  66                 #endregion
  67
  68                 #region Protected Properties
  69                 protected internal override Padding DefaultMargin {
  70                         get { return new Padding (0, 1, 0, 2); }
  71                 }
  72                 #endregion
  73
  74                 #region Public Methods
  75                 public override Size GetPreferredSize (Size constrainingSize)
  76                 {
  77                         return new Size (16, this.Parent.Height);
  78                 }
  79                 #endregion
  80
  81                 #region Protected Methods
  82                 protected override AccessibleObject CreateAccessibilityInstance ()
  83                 {
  84                         return new ToolStripOverflowButtonAccessibleObject ();
  85                 }
  86
  87                 protected override ToolStripDropDown CreateDefaultDropDown ()
  88                 {
  89                         ToolStripDropDown tsdd = new ToolStripOverflow (this);
  90                         tsdd.DefaultDropDownDirection = ToolStripDropDownDirection.BelowLeft;
  91                         tsdd.OwnerItem = this;
  92                         return tsdd;
  93                 }
  94
  95                 protected override void OnPaint (PaintEventArgs e)
  96                 {
  97                         if (this.Owner != null)
  98                                 this.Owner.Renderer.DrawOverflowButtonBackground (new ToolStripItemRenderEventArgs (e.Graphics, this));
  99                 }
 100
 101                 protected internal override void SetBounds (Rectangle bounds)
 102                 {
 103                         base.SetBounds (bounds);
 104                 }
 105                 #endregion
 106
 107                 #region ToolStripOverflowButtonAccessibleObject Class
 108                 private class ToolStripOverflowButtonAccessibleObject : AccessibleObject
 109                 {
 110                 }
 111                 #endregion
 112         }
 113 }