/////////////////////////////////////////////////////////////////////////////
// Name:        wx/generic/panelg.h
// Purpose:     wxPanel: a container for child controls
// Author:      Julian Smart
// Modified by:
// Created:     01/02/97
// RCS-ID:      $Id$
// Copyright:   (c)
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_GENERIC_PANEL_H_
#define _WX_GENERIC_PANEL_H_

#if defined(__GNUG__) && !defined(__APPLE__)
    #pragma interface "panelg.h"
#endif

// ----------------------------------------------------------------------------
// headers and forward declarations
// ----------------------------------------------------------------------------

#include "wx/window.h"
#include "wx/containr.h"

class WXDLLEXPORT wxControlContainer;

WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;

// ----------------------------------------------------------------------------
// wxPanel contains other controls and implements TAB traversal between them
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxPanel : public wxWindow
{
public:
    wxPanel() { Init(); }

    // Old-style constructor (no default values for coordinates to avoid
    // ambiguity with the new one)
    wxPanel(wxWindow *parent,
            int x, int y, int width, int height,
            long style = wxTAB_TRAVERSAL | wxNO_BORDER,
            const wxString& name = wxPanelNameStr)
    {
        Init();

        Create(parent, -1, wxPoint(x, y), wxSize(width, height), style, name);
    }

    // Constructor
    wxPanel(wxWindow *parent,
            wxWindowID winid = -1,
            const wxPoint& pos = wxDefaultPosition,
            const wxSize& size = wxDefaultSize,
            long style = wxTAB_TRAVERSAL | wxNO_BORDER,
            const wxString& name = wxPanelNameStr)
    {
        Init();

        Create(parent, winid, pos, size, style, name);
    }

    // Pseudo ctor
    bool Create(wxWindow *parent, wxWindowID winid,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxTAB_TRAVERSAL | wxNO_BORDER,
                const wxString& name = wxPanelNameStr);

    virtual ~wxPanel();

    // implementation from now on
    // --------------------------

        // responds to colour changes
    void OnSysColourChanged(wxSysColourChangedEvent& event);

        // calls layout for layout constraints and sizers
    void OnSize(wxSizeEvent& event);

    virtual void InitDialog();

#ifdef __WXUNIVERSAL__
    virtual bool IsCanvasWindow() const { return TRUE; }
    virtual bool ProvidesBackground() const { return TRUE; }
#endif

    WX_DECLARE_CONTROL_CONTAINER();

protected:
    // common part of all ctors
    void Init();

private:
    DECLARE_DYNAMIC_CLASS(wxPanel)
    DECLARE_EVENT_TABLE()
};

#endif
    // _WX_GENERIC_PANEL_H_