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

   1 //
   2 // System.Windows.Forms.GroupBox.cs
   3 //
   4 // Author:
   5 //   stubbed out by Daniel Carrera (dcarrera@math.toronto.edu)
   6 //      Dennis Hayes (dennish@raytek.com)
   7 //      Aleksey Ryabchuk (ryabchuk@yahoo.com)
   8 //
   9 // (C) 2002/3 Ximian, Inc
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32 using System.Drawing;
  33 using System.ComponentModel;
  34
  35 namespace System.Windows.Forms {
  36
  37         // <summary>
  38         // Represents a Windows group box.
  39         // </summary>
  40
  41         public class GroupBox : Control {
  42
  43                 FlatStyle flatStyle;
  44
  45                 [MonoTODO]
  46                 public GroupBox() {
  47                         SetStyle ( ControlStyles.UserPaint, true);
  48                         SetStyle ( ControlStyles.Selectable, false );
  49                         TabStop = false;
  50                         flatStyle = FlatStyle.Standard;
  51                 }
  52
  53                 [EditorBrowsable (EditorBrowsableState.Never)]
  54                 public override bool AllowDrop {
  55                         get { return base.AllowDrop;  }
  56                         set { base.AllowDrop = value; }
  57                 }
  58
  59                 [MonoTODO]
  60                 public override Rectangle DisplayRectangle {
  61                         get {
  62                                 //FIXME:
  63                                 return base.DisplayRectangle;
  64                         }
  65                 }
  66
  67                 [MonoTODO]
  68                 public FlatStyle FlatStyle {
  69                         get { return flatStyle; }
  70                         set {
  71                                 if ( !Enum.IsDefined ( typeof(FlatStyle), value ) )
  72                                         throw new InvalidEnumArgumentException( "FlatStyle",
  73                                                 (int)value,
  74                                                 typeof(FlatStyle));
  75                                 flatStyle = value;
  76                         }
  77                 }
  78
  79                 public override string ToString() {
  80                         return GetType ( ).FullName.ToString ( ) + ", Text: " + Text;
  81                 }
  82
  83                 [MonoTODO]
  84                 protected override CreateParams CreateParams {
  85                         get {
  86                                 RegisterDefaultWindowClass ( );
  87
  88                                 CreateParams createParams = base.CreateParams;
  89                                         createParams.ClassName = Win32.DEFAULT_WINDOW_CLASS;;
  90
  91                                 createParams.Style = (int) (
  92                                         (int)WindowStyles.WS_CHILDWINDOW |
  93                                         (int)WindowStyles.WS_CLIPCHILDREN |
  94                                         (int)WindowStyles.WS_CLIPSIBLINGS |
  95                                         (int)WindowStyles.WS_OVERLAPPED |
  96                                         (int)WindowStyles.WS_VISIBLE );
  97
  98                                 return createParams;
  99                         }
 100                 }
 101
 102                 protected override Size DefaultSize {
 103                         get { return new Size(200,100); }
 104                 }
 105
 106                 [MonoTODO]
 107                 protected override void OnFontChanged(EventArgs e) {
 108                         base.OnFontChanged(e);
 109                         Invalidate ( );
 110                 }
 111
 112                 public override string Text {
 113                         get { return base.Text; }
 114                         set {
 115                                 base.Text = value;
 116                                 Invalidate ( );
 117                         }
 118                 }
 119
 120                 [MonoTODO]
 121                 protected override void OnPaint(PaintEventArgs e) {
 122                         try {
 123                                 //FIXME: use TextMetrics to calculate coordinates in the method
 124                                 Rectangle bounds = DisplayRectangle;
 125
 126                                 Bitmap bmp = new Bitmap(bounds.Width, bounds.Height, e.Graphics);
 127                                 Graphics paintOn = Graphics.FromImage(bmp);
 128
 129                                 Brush br = new SolidBrush(BackColor);
 130                                 paintOn.FillRectangle(br, bounds);
 131
 132                                 bounds.Y += 5;
 133                                 bounds.Height -= 5;
 134
 135 /*
 136                                 bounds.Inflate(-4,-4);
 137                                 bounds.Y += 2;
 138 */
 139                                 Color dark   = ControlPaint.DarkDark ( BackColor );
 140                                 Color light  = ControlPaint.LightLight ( BackColor );
 141
 142                                 ControlPaint.DrawBorder(paintOn, bounds, dark, 1, ButtonBorderStyle.Solid,
 143                                         dark, 1, ButtonBorderStyle.Solid, light, 1, ButtonBorderStyle.Solid,
 144                                         light, 1, ButtonBorderStyle.Solid);
 145                                 bounds.Inflate(-1,-1);
 146                                 ControlPaint.DrawBorder(paintOn, bounds, light, 1, ButtonBorderStyle.Solid,
 147                                         light, 1, ButtonBorderStyle.Solid, dark, 1, ButtonBorderStyle.Solid,
 148                                         dark, 1, ButtonBorderStyle.Solid);
 149
 150                                 SizeF sz = paintOn.MeasureString( Text, Font);
 151                                 sz.Width += 2.0F;
 152                                 paintOn.FillRectangle( br, new RectangleF(new PointF((float)bounds.Left + 3.0F, 0.0F), sz));
 153
 154                                 //JORDI: BUG BUG
 155                                 //paintOn.DrawString(Text, Font, SystemBrushes.ControlText, (float)bounds.Left + 5, 0);
 156                                 e.Graphics.DrawImage(bmp, 0, 0, bmp.Width, bmp.Height);
 157                                 br.Dispose();
 158                                 bmp.Dispose();
 159                         }
 160                         catch/*(Exception ex)*/ {
 161                         }
 162                         //base.OnPaint(e);
 163                 }
 164
 165                 [MonoTODO]
 166                 protected override bool ProcessMnemonic(char charCode) {
 167                         //FIXME:
 168                         return base.ProcessMnemonic(charCode);
 169                 }
 170
 171                 [MonoTODO]
 172                 protected override void WndProc(ref Message m) {
 173                         switch ((Msg) m.Msg) {
 174                                 case Msg.WM_ERASEBKGND:
 175                                         m.Result = (IntPtr)1;
 176                                         break;
 177                                 default:
 178                                         base.WndProc (ref m);
 179                                         break;
 180                         }
 181                 }
 182
 183
 184         }
 185 }