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

//-----------------------------------------------------------------------------
// wx.NET - scrolbar.h
//
// The wxScrollBar wrapper class.
//
// Written by Bryan Bulten (bryan@bulten.ca)
// (C) 2003 Bryan Bulten
// Licensed under the wxWidgets license, see LICENSE.txt for details.
//
// $Id: ScrollBar.cs,v 1.8 2007/11/24 17:55:46 harald_meyer Exp $
//-----------------------------------------------------------------------------

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

namespace wx{
  public class ScrollBar : Control
  {
    public const int wxSB_HORIZONTAL   = Orientation.wxHORIZONTAL;
    public const int wxSB_VERTICAL     = Orientation.wxVERTICAL;

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

    [DllImport("wx-c")] static extern IntPtr wxScrollBar_ctor();
    [DllImport("wx-c")]
        [return:MarshalAs(UnmanagedType.U1)]
        static extern bool   wxScrollBar_Create(IntPtr self, IntPtr parent, int id, int posX, int posY, int width, int height, uint style, IntPtr validator, IntPtr name);
    [DllImport("wx-c")] static extern int    wxScrollBar_GetThumbPosition(IntPtr self);
    [DllImport("wx-c")] static extern int    wxScrollBar_GetThumbSize(IntPtr self);
    [DllImport("wx-c")] static extern int    wxScrollBar_GetPageSize(IntPtr self);
    [DllImport("wx-c")] static extern int    wxScrollBar_GetRange(IntPtr self);
        [DllImport("wx-c")]
        [return: MarshalAs(UnmanagedType.U1)]
        static extern bool wxScrollBar_IsVertical(IntPtr self);
    [DllImport("wx-c")] static extern void   wxScrollBar_SetThumbPosition(IntPtr self, int viewStart);
    [DllImport("wx-c")] static extern void   wxScrollBar_SetScrollbar(IntPtr self, int position, int thumbSize, int range, int pageSize, bool refresh);

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

    public ScrollBar(IntPtr wxObject)
      : base(wxObject) { }

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

        public bool Create(Window parent, int id, Point pos, Size size, uint style, Validator validator, string name)
        {
            return this.Create(parent, id, pos, size, style, validator, wxString.SafeNew(name));
        }

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

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

    public int ThumbPosition
    {
      get { return wxScrollBar_GetThumbPosition(wxObject); }
      set { wxScrollBar_SetThumbPosition(wxObject, value); }
    }

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

    public int ThumbSize
    {
      get { return wxScrollBar_GetThumbSize(wxObject); }
    }

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

    public int PageSize
    {
      get { return wxScrollBar_GetPageSize(wxObject); }
    }

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

    public int Range
    {
      get { return wxScrollBar_GetRange(wxObject); }
    }

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

    public bool IsVertical
    {
      get { return wxScrollBar_IsVertical(wxObject); }
    }

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

    public override void SetScrollbar(int position, int thumbSize, int range, int pageSize, bool refresh)
    {
      wxScrollBar_SetScrollbar(wxObject, position, thumbSize, range, pageSize, refresh);
    }
  }
}