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

   1 //
   2 // Permission is hereby granted, free of charge, to any person obtaining
   3 // a copy of this software and associated documentation files (the
   4 // "Software"), to deal in the Software without restriction, including
   5 // without limitation the rights to use, copy, modify, merge, publish,
   6 // distribute, sublicense, and/or sell copies of the Software, and to
   7 // permit persons to whom the Software is furnished to do so, subject to
   8 // the following conditions:
   9 //
  10 // The above copyright notice and this permission notice shall be
  11 // included in all copies or substantial portions of the Software.
  12 //
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  15 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  17 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  18 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  19 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 //
  21 // Copyright (c) 2004-2005 Novell, Inc.
  22 //
  23 // Authors:
  24 //      Peter Bartok    pbartok@novell.com
  25 //
  26
  27 // COMPLETE
  28
  29 using System.ComponentModel;
  30 using System.Drawing;
  31 using System.Drawing.Text;
  32
  33 namespace System.Windows.Forms {
  34         public class Button : ButtonBase, IButtonControl {
  35                 #region Local variables
  36                 DialogResult    dialog_result;
  37                 #endregion      // Local variables
  38
  39                 #region Public Constructors
  40                 public Button() {
  41                         dialog_result = DialogResult.None;
  42                         SetStyle(ControlStyles.StandardDoubleClick, false);
  43                 }
  44                 #endregion      // Public Constructors
  45
  46                 #region Internal methods
  47                 internal override void HaveDoubleClick() {
  48                         if (DoubleClick != null) DoubleClick(this, EventArgs.Empty);
  49                 }
  50                 #endregion      // Internal methods
  51
  52                 #region Public Instance Properties
  53                 [DefaultValue(DialogResult.None)]
  54                 public virtual DialogResult DialogResult {              // IButtonControl
  55                         get {
  56                                 return dialog_result;
  57                         }
  58                         set {
  59                                 dialog_result = value;
  60                         }
  61                 }
  62                 #endregion      // Public Instance Properties
  63
  64                 #region Protected Instance Properties
  65                 protected override CreateParams CreateParams {
  66                         get {
  67                                 return base.CreateParams;
  68                         }
  69                 }
  70                 #endregion      // Protected Instance Properties
  71
  72                 #region Public Instance Methods
  73                 public virtual void NotifyDefault(bool value) { // IButtonControl
  74                         this.IsDefault = value;
  75                 }
  76
  77                 public void PerformClick() {                    // IButtonControl
  78                         OnClick(EventArgs.Empty);
  79                 }
  80
  81                 public override string ToString() {
  82                         return base.ToString() + ", Text: " + this.text;
  83                 }
  84                 #endregion      // Public Instance Methods
  85
  86                 #region Protected Instance Methods
  87                 protected override void OnClick(EventArgs e) {
  88                         if (dialog_result != DialogResult.None) {
  89                                 Form p = Parent as Form;
  90
  91                                 if (p != null) {
  92                                         p.DialogResult = dialog_result;
  93                                 }
  94                         }
  95                         base.OnClick(e);
  96                 }
  97
  98                 protected override void OnMouseUp(MouseEventArgs e) {
  99                         base.OnMouseUp (e);
 100                 }
 101
 102                 protected override bool ProcessMnemonic(char charCode) {
 103                         if (IsMnemonic(charCode, Text) == true) {
 104                                 PerformClick();
 105                                 return true;
 106                         }
 107
 108                         return base.ProcessMnemonic(charCode);
 109                 }
 110
 111                 protected override void WndProc(ref Message m) {
 112                         base.WndProc (ref m);
 113                 }
 114                 #endregion      // Protected Instance Methods
 115
 116                 #region Events
 117                 [Browsable(false)]
 118                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 119                 public event EventHandler DoubleClick;
 120                 #endregion      // Events
 121         }
 122 }