mcs/class/System.Windows.Forms/System.Windows.Forms/Panel.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2004-2005 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Jackson Harper (jackson@ximian.com)
  24 //
  25
  26 // COMPLETE
  27
  28 using System;
  29 using System.ComponentModel;
  30 using System.ComponentModel.Design;
  31 using System.Drawing;
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Windows.Forms {
  35         [DefaultProperty("BorderStyle")]
  36         [DefaultEvent("Paint")]
  37         [Designer ("System.Windows.Forms.Design.PanelDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  38         [Docking (DockingBehavior.Ask)]
  39         [ClassInterface (ClassInterfaceType.AutoDispatch)]
  40         [ComVisible (true)]
  41         public class Panel : ScrollableControl {
  42                 #region Constructors & Destructors
  43                 public Panel () {
  44                         base.TabStop = false;
  45                         SetStyle(ControlStyles.Selectable, false);
  46                         SetStyle (ControlStyles.SupportsTransparentBackColor, true);
  47                 }
  48                 #endregion      // Constructors & Destructors
  49
  50                 #region Public Instance Properties
  51                 [Browsable (true)]
  52                 [EditorBrowsable (EditorBrowsableState.Always)]
  53                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Visible)]
  54                 public override bool AutoSize {
  55                         get { return base.AutoSize; }
  56                         set { base.AutoSize = value; }
  57                 }
  58
  59                 [Browsable (true)]
  60                 [DefaultValue (AutoSizeMode.GrowOnly)]
  61                 [Localizable (true)]
  62                 public virtual AutoSizeMode AutoSizeMode {
  63                         get { return base.GetAutoSizeMode (); }
  64                         set { base.SetAutoSizeMode (value); }
  65                 }
  66
  67                 [DefaultValue(BorderStyle.None)]
  68                 [DispId(-504)]
  69                 public BorderStyle BorderStyle {
  70                         get { return InternalBorderStyle; }
  71                         set { InternalBorderStyle = value; }
  72                 }
  73
  74                 [DefaultValue(false)]
  75                 public new bool TabStop {
  76                         get { return base.TabStop; }
  77                         set {
  78                                 if (value == TabStop)
  79                                         return;
  80                                 base.TabStop = value;
  81                         }
  82                 }
  83
  84                 [Bindable(false)]
  85                 [Browsable(false)]
  86                 [EditorBrowsable(EditorBrowsableState.Never)]
  87                 public override string Text {
  88                         get { return base.Text; }
  89                         set {
  90                                 if (value == Text)
  91                                         return;
  92                                 base.Text = value;
  93                                 Refresh ();
  94                         }
  95                 }
  96                 #endregion      // Public Instance Properties
  97
  98                 #region Protected Instance Properties
  99                 protected override CreateParams CreateParams {
 100                         get {
 101                                 return base.CreateParams;
 102                         }
 103                 }
 104
 105                 protected override Size DefaultSize {
 106                         get { return ThemeEngine.Current.PanelDefaultSize; }
 107                 }
 108                 #endregion      // Proteced Instance Properties
 109
 110                 #region Public Instance Methods
 111                 public override string ToString ()
 112                 {
 113                         return base.ToString () + ", BorderStyle: " + BorderStyle;
 114                 }
 115                 #endregion      // Public Instance Methods
 116
 117                 #region Protected Instance Methods
 118                 protected override void OnResize(EventArgs eventargs) {
 119                         base.OnResize (eventargs);
 120                         Invalidate(true);
 121                 }
 122
 123                 #endregion      // Protected Instance Methods
 124
 125                 #region Events
 126                 [Browsable (true)]
 127                 [EditorBrowsable (EditorBrowsableState.Always)]
 128                 public new event EventHandler AutoSizeChanged {
 129                         add { base.AutoSizeChanged += value; }
 130                         remove { base.AutoSizeChanged -= value; }
 131                 }
 132
 133                 [Browsable(false)]
 134                 [EditorBrowsable(EditorBrowsableState.Never)]
 135                 public new event KeyEventHandler KeyDown {
 136                         add { base.KeyDown += value; }
 137                         remove { base.KeyDown -= value; }
 138                 }
 139
 140                 [Browsable(false)]
 141                 [EditorBrowsable(EditorBrowsableState.Never)]
 142                 public new event KeyPressEventHandler KeyPress {
 143                         add { base.KeyPress += value; }
 144                         remove { base.KeyPress -= value; }
 145                 }
 146
 147                 [Browsable(false)]
 148                 [EditorBrowsable(EditorBrowsableState.Never)]
 149                 public new event KeyEventHandler KeyUp {
 150                         add { base.KeyUp += value; }
 151                         remove { base.KeyUp -= value; }
 152                 }
 153
 154                 [Browsable(false)]
 155                 [EditorBrowsable(EditorBrowsableState.Never)]
 156                 public new event EventHandler TextChanged {
 157                         add { base.TextChanged += value; }
 158                         remove { base.TextChanged -= value; }
 159                 }
 160                 #endregion
 161
 162                 #region Internal Methods
 163                 internal override Size GetPreferredSizeCore (Size proposedSize)
 164                 {
 165                         Size retsize = Size.Empty;
 166
 167                         foreach (Control child in Controls) {
 168                                 if (child.Dock == DockStyle.Fill) {
 169                                         if (child.Bounds.Right > retsize.Width)
 170                                                 retsize.Width = child.Bounds.Right;
 171                                 } else if (child.Dock != DockStyle.Top && child.Dock != DockStyle.Bottom && (child.Anchor & AnchorStyles.Right) == 0 && (child.Bounds.Right + child.Margin.Right) > retsize.Width)
 172                                         retsize.Width = child.Bounds.Right + child.Margin.Right;
 173
 174                                 if (child.Dock == DockStyle.Fill) {
 175                                         if (child.Bounds.Bottom > retsize.Height)
 176                                                 retsize.Height = child.Bounds.Bottom;
 177                                 } else if (child.Dock != DockStyle.Left && child.Dock != DockStyle.Right && (child.Anchor & AnchorStyles.Bottom) == 0 && (child.Bounds.Bottom + child.Margin.Bottom) > retsize.Height)
 178                                         retsize.Height = child.Bounds.Bottom + child.Margin.Bottom;
 179                         }
 180
 181                         return retsize;
 182                 }
 183                 #endregion
 184         }
 185 }
 186