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

   1 //
   2 // System.Windows.Forms.GroupBox.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 // Authors:
  24 //              Jordi Mas i Hernandez, jordi@ximian.com
  25 //
  26 // TODO:
  27 //
  28 // Copyright (C) Novell Inc., 2004-2005
  29 //
  30 //
  31
  32 // COMPLETE
  33
  34 using System.Drawing;
  35 using System.ComponentModel;
  36 using System.ComponentModel.Design;
  37
  38 namespace System.Windows.Forms
  39 {
  40         [DefaultProperty("Text")]
  41         [DefaultEvent("Enter")]
  42         [Designer ("System.Windows.Forms.Design.GroupBoxDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  43         public class GroupBox : Control
  44         {
  45                 private FlatStyle flat_style;
  46                 private Rectangle display_rectangle = new Rectangle ();
  47
  48                 #region Events
  49                 [Browsable(false)]
  50                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  51                 public new event EventHandler Click;
  52
  53                 [Browsable(false)]
  54                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  55                 public new event EventHandler DoubleClick;
  56
  57                 [Browsable(false)]
  58                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  59                 public new event KeyEventHandler KeyDown;
  60
  61                 [Browsable(false)]
  62                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  63                 public new event KeyPressEventHandler KeyPress;
  64
  65                 [Browsable(false)]
  66                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  67                 public new event KeyEventHandler KeyUp;
  68
  69                 [Browsable(false)]
  70                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  71                 public new event MouseEventHandler MouseDown;
  72
  73                 [Browsable(false)]
  74                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  75                 public new event EventHandler MouseEnter;
  76
  77                 [Browsable(false)]
  78                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  79                 public new event EventHandler MouseLeave;
  80
  81                 [Browsable(false)]
  82                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  83                 public new event MouseEventHandler MouseMove;
  84
  85                 [Browsable(false)]
  86                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  87                 public new event MouseEventHandler MouseUp;
  88
  89                 [Browsable(false)]
  90                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  91                 public new event EventHandler TabStopChanged;
  92                 #endregion Events
  93
  94                 public GroupBox ()
  95                 {
  96                         TabStop = false;
  97                         flat_style = FlatStyle.Standard;
  98
  99                         SetStyle(ControlStyles.ContainerControl | ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor, true);
 100                         SetStyle(ControlStyles.Selectable, false);
 101                 }
 102
 103                 #region Public Properties
 104                 [Browsable(false)]
 105                 [EditorBrowsable(EditorBrowsableState.Advanced)]
 106                 public override bool AllowDrop {
 107                         get { return base.AllowDrop;  }
 108                         set { base.AllowDrop = value; }
 109                 }
 110
 111                 protected override CreateParams CreateParams {
 112                         get { return base.CreateParams; }
 113                 }
 114
 115                 protected override Size DefaultSize {
 116                         get { return ThemeEngine.Current.GroupBoxDefaultSize;}
 117                 }
 118
 119                 public override Rectangle DisplayRectangle {
 120                         get {
 121                                 display_rectangle.X = 3;
 122                                 display_rectangle.Y = Font.Height + 3;
 123                                 display_rectangle.Width = Width - 6;
 124                                 display_rectangle.Height = Height - Font.Height - 6;
 125                                 return display_rectangle;
 126                         }
 127                 }
 128
 129                 [DefaultValue(FlatStyle.Standard)]
 130                 public FlatStyle FlatStyle {
 131                         get { return flat_style; }
 132                         set {
 133                                 if (!Enum.IsDefined (typeof (FlatStyle), value))
 134                                          new InvalidEnumArgumentException (string.Format("Enum argument value '{0}' is not valid for FlatStyle", value));
 135
 136                                 if (flat_style == value)
 137                                         return;
 138
 139                                 flat_style = value;
 140                                 Refresh ();
 141                         }
 142                 }
 143
 144                 [Browsable(false)]
 145                 [EditorBrowsable(EditorBrowsableState.Advanced)]
 146                 public new bool TabStop {
 147                         get { return base.TabStop;  }
 148                         set { base.TabStop = value; }
 149                 }
 150
 151                 [Localizable(true)]
 152                 public override string Text {
 153                         get { return base.Text; }
 154                         set {
 155                                 if (base.Text == value)
 156                                         return;
 157
 158                                 base.Text = value;
 159                                 Refresh ();
 160                         }
 161                 }
 162
 163                 #endregion //Public Properties
 164
 165                 #region Public Methods
 166                 protected override void OnFontChanged (EventArgs e)
 167                 {
 168                         base.OnFontChanged (e);
 169                         Refresh ();
 170                 }
 171
 172                 protected override void OnPaint (PaintEventArgs pevent)
 173                 {
 174                         ThemeEngine.Current.DrawGroupBox (pevent.Graphics, ClientRectangle, this);
 175                         base.OnPaint(pevent);
 176                 }
 177
 178                 protected override bool ProcessMnemonic (char charCode)
 179                 {
 180                         if (IsMnemonic(charCode, Text) == true) {
 181                                 // Select item next in line in tab order
 182                                 if (this.parent != null) {
 183                                         parent.SelectNextControl(this, true, false, true, false);
 184                                 }
 185                                 return true;
 186                         }
 187
 188                         return base.ProcessMnemonic (charCode);
 189                 }
 190
 191                 public override string ToString()
 192                 {
 193                         return GetType ().FullName.ToString () + ", Text: " + Text;
 194                 }
 195
 196                 protected override void WndProc(ref Message m) {
 197                         switch ((Msg) m.Msg) {
 198                                 case Msg.WM_ERASEBKGND:
 199                                         m.Result = (IntPtr)1;
 200                                         break;
 201                                 default:
 202                                         base.WndProc (ref m);
 203                                         break;
 204                         }
 205                 }
 206
 207                 #endregion Public Methods
 208         }
 209 }