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

//-----------------------------------------------------------------------------
// wx.NET - Button.cs
//
// The wxButton wrapper class.
//
// Written by Bryan Bulten (bryan@bulten.ca)
// (C) 2003 Bryan Bulten
// Licensed under the wxWidgets license, see LICENSE.txt for details.
//
// $Id: Button.cs,v 1.26 2007/12/25 19:30:23 harald_meyer Exp $
//-----------------------------------------------------------------------------

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

namespace wx{
  public class Button : Control
  {
    [DllImport("wx-c")] static extern IntPtr wxButton_ctor();
        [DllImport("wx-c")][return:MarshalAs(UnmanagedType.U1)] static extern bool wxButton_Create(IntPtr self, IntPtr parent, int id, IntPtr label, int x, int y, int w, int h, uint style, IntPtr validator, IntPtr name);
    [DllImport("wx-c")] static extern void wxButton_SetDefault(IntPtr self);
    [DllImport("wx-c")] static extern void wxButton_GetDefaultSize(IntPtr size);
    
    [DllImport("wx-c")] static extern void wxButton_SetImageMargins(IntPtr self, int x, int y);
    [DllImport("wx-c")] static extern void wxButton_SetImageLabel(IntPtr self, IntPtr bitmap);
    
    [DllImport("wx-c")] static extern void wxButton_SetLabel(IntPtr self, IntPtr label);
        [DllImport("wx-c")] static extern IntPtr wxButton_GetLabel(IntPtr self);

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

    public const int wxBU_LEFT          =  0x0040;
    public const int wxBU_TOP           =  0x0080;
    public const int wxBU_RIGHT         =  0x0100;
    public const int wxBU_BOTTOM        =  0x0200;
    public const int wxBU_EXACTFIT      =  0x0001;
    
    //---------------------------------------------------------------------
    
    public Button(IntPtr wxObject) 
      : base(wxObject) { }

    public Button()
      : this(wxButton_ctor()) { }

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

    public Button(Window parent, int id, string label, Point pos)
      : this(parent, id, label, pos, wxDefaultSize, 0, null, null) { }
    
    public Button(Window parent, int id, string label, Point pos, Size size)
      : this(parent, id, label, pos, size, 0, null, null) { }
    
    public Button(Window parent, int id, string label, Point pos, Size size, uint style)
      : this(parent, id, label, pos, size, style, null, null) { }
    
    public Button(Window parent, int id, string label, Point pos, Size size, uint style, Validator validator)
      : this(parent, id, label, pos, size, style, validator, null) { }

    public Button(Window parent, int id, string label, Point pos, Size size, uint style, Validator validator, string name)
      : this(wxButton_ctor())
    {
      if (!Create(parent, id, label, pos, size, style, validator, name))
      {
        throw new InvalidOperationException("Failed to create Button");
      }
    }
    
    //---------------------------------------------------------------------
    // ctors with self created id
    
    public Button(Window parent, string label)
      : this(parent, Window.UniqueID, label, wxDefaultPosition, wxDefaultSize, 0, null, null) { }

    public Button(Window parent, string label, Point pos)
      : this(parent, Window.UniqueID, label, pos, wxDefaultSize, 0, null, null) { }
    
    public Button(Window parent, string label, Point pos, Size size)
      : this(parent, Window.UniqueID, label, pos, size, 0, null, null) { }
    
    public Button(Window parent, string label, Point pos, Size size, uint style)
      : this(parent, Window.UniqueID, label, pos, size, style, null, null) { }
    
    public Button(Window parent, string label, Point pos, Size size, uint style, Validator validator)
      : this(parent, Window.UniqueID, label, pos, size, style, validator, null) { }

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

    public bool Create(Window parent, int id, string label, Point pos, Size size, uint style, Validator validator, string name)
    {
            return this.Create(parent, id, new wxString(label), pos, size, style, validator, new wxString(name));
    }
        public bool Create(Window parent, int id, wxString label, Point pos, Size size, uint style, Validator validator, wxString name)
        {
            return wxButton_Create(wxObject, Object.SafePtr(parent), id, Object.SafePtr(label), pos.X, pos.Y, size.Width, size.Height, (uint)style, Object.SafePtr(validator), Object.SafePtr(name));
        }

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

    public void SetDefault()
    {
      wxButton_SetDefault(wxObject);
    }

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

    public static Size GetDefaultSize()
    {
      wxSize size = new wxSize();
      wxButton_GetDefaultSize(size.wxObject);
      return (Size)size;
    }
    
    //---------------------------------------------------------------------
    
    public virtual Bitmap ImageLabel
    {
      set { wxButton_SetImageLabel(wxObject, Object.SafePtr(value)); }
    }
    
    //---------------------------------------------------------------------
    
    public virtual void SetImageMargins(int x, int y)
    {
      wxButton_SetImageMargins(wxObject, x, y);
    }
    
    //---------------------------------------------------------------------
    // Do we need get also ?
    
    public new string Label
    {
      set
            {
                wxString wxlabel = new wxString(value);
                wxButton_SetLabel(wxObject, wxlabel.wxObject);
            }
            get
            {
                return new wxString(wxButton_GetLabel(this.wxObject));
            }
    }
    
    //---------------------------------------------------------------------
    
    public event EventListener Click
    {
      add { AddCommandListener(Event.wxEVT_COMMAND_BUTTON_CLICKED, ID, value, this); }
      remove { RemoveHandler(value, this); }
    }
  }
}