wxWidgets/include/wx/os2/app.h

/////////////////////////////////////////////////////////////////////////////
// Name:        app.h
// Purpose:     wxApp class
// Author:      David Webster
// Modified by:
// Created:     10/13/99
// RCS-ID:      $Id$
// Copyright:   (c) David Webster
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_APP_H_
#define _WX_APP_H_

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

class WXDLLEXPORT wxFrame;
class WXDLLEXPORT wxWindow;
class WXDLLEXPORT wxApp ;
class WXDLLEXPORT wxKeyEvent;
class WXDLLEXPORT wxLog;

WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;

// Force an exit from main loop
void WXDLLEXPORT wxExit();

// Yield to other apps/messages
bool WXDLLEXPORT wxYield();

// Represents the application. Derive OnInit and declare
// a new App object to start application
class WXDLLEXPORT wxApp : public wxAppBase
{
    DECLARE_DYNAMIC_CLASS(wxApp)

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

    // override base class (pure) virtuals
    virtual int MainLoop();
    virtual void ExitMainLoop();
    virtual bool Initialized();
    virtual bool Pending() ;
    virtual void Dispatch() ;

    virtual wxIcon GetStdIcon(int which) const;

    virtual void SetPrintMode(int mode) { m_printMode = mode; }
    virtual int GetPrintMode() const { return m_printMode; }

    // implementation only
    void OnIdle(wxIdleEvent& event);
    void OnEndSession(wxCloseEvent& event);
    void OnQueryEndSession(wxCloseEvent& event);

    // Send idle event to all top-level windows.
    // Returns TRUE if more idle time is requested.
    bool SendIdleEvents();

    // Send idle event to window and all subwindows
    // Returns TRUE if more idle time is requested.
    bool SendIdleEvents(wxWindow* win);

    void SetAuto3D(bool flag) { m_auto3D = flag; }
    bool GetAuto3D() const { return m_auto3D; }

protected:
    bool              m_showOnInit;
    int               m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
    bool              m_auto3D ;   // Always use 3D controls, except where overriden

    /* Windows-specific wxApp definitions */

public:

    // Implementation
    static bool Initialize();
    static void CleanUp();

    static bool RegisterWindowClasses();
    // Convert Windows to argc, argv style
    void ConvertToStandardCommandArgs(char* p);
    virtual bool DoMessage();
    virtual bool ProcessMessage(WXMSG* pMsg);
    void DeletePendingObjects();
    bool ProcessIdle();
#if wxUSE_THREADS
    void ProcessPendingEvents();
#endif
    int GetComCtl32Version() const;

public:
    int               m_nCmdShow;

protected:
    bool              m_keepGoing ;

    DECLARE_EVENT_TABLE()
};

#endif
    // _WX_APP_H_