CheckBox.cs :  » GUI » wx-NET » wx » C# / CSharp Open Source

//-----------------------------------------------------------------------------
// wx.NET - CheckBox.cs
//
// The wxCheckBox wrapper class.
//
// Written by Jason Perkins (jason@379.com)
// (C) 2003 by 379, Inc.
// Licensed under the wxWidgets license, see LICENSE.txt for details.
//
// $Id: CheckBox.cs,v 1.15 2007/11/11 14:14:45 harald_meyer Exp $
//-----------------------------------------------------------------------------

using System;
using System.Drawing;
using System.Runtime.InteropServices;

namespace wx{
  public enum CheckBoxState
  {
    wxCHK_UNCHECKED,
    wxCHK_CHECKED,
    wxCHK_UNDETERMINED
  }
  
  //---------------------------------------------------------------------

  public class CheckBox : Control
  {
    public const int wxCHK_2STATE           = 0x0000;
    public const int wxCHK_3STATE           = 0x1000;
    public const int wxCHK_ALLOW_3RD_STATE_FOR_USER           = 0x2000;
  
    [DllImport("wx-c")] static extern IntPtr wxCheckBox_ctor();
    [DllImport("wx-c")] static extern bool   wxCheckBox_Create(IntPtr self, IntPtr parent, int id, IntPtr label, int posX, int posY, int width, int height, uint style, IntPtr val, IntPtr name);
    [DllImport("wx-c")] static extern bool   wxCheckBox_GetValue(IntPtr self);
    [DllImport("wx-c")] static extern void   wxCheckBox_SetValue(IntPtr self, bool state);
    [DllImport("wx-c")] static extern bool   wxCheckBox_IsChecked(IntPtr self);
    
    [DllImport("wx-c")] static extern CheckBoxState wxCheckBox_Get3StateValue(IntPtr self);
    [DllImport("wx-c")] static extern void wxCheckBox_Set3StateValue(IntPtr self, CheckBoxState state);
    [DllImport("wx-c")] static extern bool wxCheckBox_Is3State(IntPtr self);
    [DllImport("wx-c")] static extern bool wxCheckBox_Is3rdStateAllowedForUser(IntPtr self);

    //---------------------------------------------------------------------
    
    public CheckBox(IntPtr wxObject) 
      : base(wxObject) {}
      
    public CheckBox()
      : this(wxCheckBox_ctor()) { }

    public CheckBox(Window parent, int id, string label)
      : this(parent, id, label, wxDefaultPosition, wxDefaultSize, 0, null, null) { }

    public CheckBox(Window parent, int id, string label, Point pos)
            : this(parent, id, label, pos, wxDefaultSize, 0, null, null) { }

    public CheckBox(Window parent, int id, string label, Point pos, Size size)
            : this(parent, id, label, pos, size, 0, null, null) { }

    public CheckBox(Window parent, int id, string label, Point pos, Size size, uint style)
            : this(parent, id, label, pos, size, style, null, null) { }

    public CheckBox(Window parent, int id, string label, Point pos, Size size, uint style, Validator val)
            : this(parent, id, label, pos, size, style, val, null) { }

    public CheckBox(Window parent, int id, string label, Point pos, Size size, uint style, Validator val, string name)
      : this(wxCheckBox_ctor())
    {
            wxString wxLabel = wxString.SafeNew(label);
            wxString wxName = wxString.SafeNew(name);
      if (!wxCheckBox_Create(wxObject, Object.SafePtr(parent), id,
                             Object.SafePtr(wxLabel), pos.X, pos.Y, size.Width, size.Height, (uint)style, Object.SafePtr(val),
                                   Object.SafePtr(wxName)))
      {
        throw new InvalidOperationException("failed to create checkbox");
      }
    }
    
    //---------------------------------------------------------------------
    // ctors with self created id
    
    public CheckBox(Window parent, string label)
      : this(parent, Window.UniqueID, label, wxDefaultPosition, wxDefaultSize, 0, null, null) { }

    public CheckBox(Window parent, string label, Point pos)
            : this(parent, Window.UniqueID, label, pos, wxDefaultSize, 0, null, null) { }

    public CheckBox(Window parent, string label, Point pos, Size size)
            : this(parent, Window.UniqueID, label, pos, size, 0, null, null) { }

    public CheckBox(Window parent, string label, Point pos, Size size, uint style)
            : this(parent, Window.UniqueID, label, pos, size, style, null, null) { }

    public CheckBox(Window parent, string label, Point pos, Size size, uint style, Validator val)
            : this(parent, Window.UniqueID, label, pos, size, style, val, null) { }

    public CheckBox(Window parent, string label, Point pos, Size size, uint style, Validator val, string name)
      : this(parent, Window.UniqueID, label, pos, size, style, val, name) {}
    
    //---------------------------------------------------------------------

    public bool Create(Window parent, int id, string label, Point pos, Size size,
      uint style, Validator val, string name)
    {
            wxString wxLabel = wxString.SafeNew(label);
            wxString wxName = wxString.SafeNew(name);
      return wxCheckBox_Create(wxObject, Object.SafePtr(parent), id,
                                      Object.SafePtr(wxLabel), pos.X, pos.Y,
                                      size.Width, size.Height, (uint)style, Object.SafePtr(val), Object.SafePtr(wxName));
    }

    //---------------------------------------------------------------------

    public bool Value
    {
      get { return wxCheckBox_GetValue(wxObject); }
      set { wxCheckBox_SetValue(wxObject, value); }
    }

    //---------------------------------------------------------------------

    public bool IsChecked
    {
      get { return wxCheckBox_IsChecked(wxObject); }
    }
    
    //---------------------------------------------------------------------
    
    public CheckBoxState ThreeStateValue
    {
      get { return wxCheckBox_Get3StateValue(wxObject); }
      set { wxCheckBox_Set3StateValue(wxObject, value); }
    }
    
    //---------------------------------------------------------------------
    
    public bool Is3State()
    {
      return wxCheckBox_Is3State(wxObject);
    }

    //---------------------------------------------------------------------
    
    public bool Is3rdStateAllowedForUser()
    {
      return wxCheckBox_Is3rdStateAllowedForUser(wxObject);
    }
    
    //---------------------------------------------------------------------
        
    public event EventListener Clicked
    {
      add { AddCommandListener(Event.wxEVT_COMMAND_CHECKBOX_CLICKED, ID, value, this); }
      remove { RemoveHandler(value, this); }
    }
  }
}