avoiding crash for pure modifier events

[wxWidgets.git] / include / wx / motif / app.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/motif/app.h
// Purpose:     wxApp class
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_APP_H_
#define _WX_APP_H_

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/event.h"
#include "wx/hashmap.h"

// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------

class WXDLLIMPEXP_FWD_CORE wxFrame;
class WXDLLIMPEXP_FWD_CORE wxWindow;
class WXDLLIMPEXP_FWD_CORE wxApp;
class WXDLLIMPEXP_FWD_CORE wxKeyEvent;
class WXDLLIMPEXP_FWD_BASE wxLog;
class WXDLLIMPEXP_FWD_CORE wxEventLoop;
class WXDLLIMPEXP_FWD_CORE wxXVisualInfo;
class WXDLLIMPEXP_FWD_CORE wxPerDisplayData;

// ----------------------------------------------------------------------------
// the wxApp class for Motif - see wxAppBase for more details
// ----------------------------------------------------------------------------

WX_DECLARE_VOIDPTR_HASH_MAP( wxPerDisplayData*, wxPerDisplayDataMap );

class WXDLLIMPEXP_CORE wxApp : public wxAppBase
{
    DECLARE_DYNAMIC_CLASS(wxApp)

public:
    wxApp();
    virtual ~wxApp();

    // override base class (pure) virtuals
    // -----------------------------------

    virtual int MainLoop();

    virtual void Exit();

    virtual bool Yield(bool onlyIfNeeded = false);
    virtual void WakeUpIdle(); // implemented in motif/evtloop.cpp

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

protected:
    bool                  m_showOnInit;

public:
    // Implementation
    virtual bool Initialize(int& argc, wxChar **argv);
    virtual void CleanUp();

    // Motif-specific
    WXAppContext   GetAppContext() const { return m_appContext; }
    WXWidget       GetTopLevelWidget();
    WXWidget       GetTopLevelRealizedWidget();
    WXColormap     GetMainColormap(WXDisplay* display);
    WXDisplay*     GetInitialDisplay() const { return m_initialDisplay; }

    void           SetTopLevelWidget(WXDisplay* display, WXWidget widget);
    void           SetTopLevelRealizedWidget(WXDisplay* display,
                                             WXWidget widget);

    // This handler is called when a property change event occurs
    virtual void   HandlePropertyChange(WXEvent *event);

    wxXVisualInfo* GetVisualInfo(WXDisplay* display);

private:
    // Motif-specific
    WXAppContext          m_appContext;
    WXColormap            m_mainColormap;
    WXDisplay*            m_initialDisplay;
    wxPerDisplayDataMap*  m_perDisplayData;
};

#endif
// _WX_APP_H_