include/wx/os2/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.h
   3 // Purpose:     wxApp class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_APP_H_
  13 #define _WX_APP_H_
  14
  15 #include "wx/event.h"
  16 #include "wx/icon.h"
  17
  18 class WXDLLEXPORT wxFrame;
  19 class WXDLLEXPORT wxWindow;
  20 class WXDLLEXPORT wxApp ;
  21 class WXDLLEXPORT wxKeyEvent;
  22 class WXDLLEXPORT wxLog;
  23
  24 WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
  25
  26 // Force an exit from main loop
  27 void WXDLLEXPORT wxExit(void);
  28
  29 // Yield to other apps/messages
  30 bool WXDLLEXPORT wxYield(void);
  31
  32 // Represents the application. Derive OnInit and declare
  33 // a new App object to start application
  34 class WXDLLEXPORT wxApp : public wxAppBase
  35 {
  36     DECLARE_DYNAMIC_CLASS(wxApp)
  37
  38 public:
  39     wxApp();
  40     virtual ~wxApp();
  41
  42     virtual bool OnInitGui(void);
  43
  44     // override base class (pure) virtuals
  45     virtual int  MainLoop(void);
  46     virtual void ExitMainLoop(void);
  47     virtual bool Initialized(void);
  48     virtual bool Pending(void) ;
  49     virtual void Dispatch(void);
  50
  51     virtual wxIcon GetStdIcon(int which) const;
  52
  53     virtual void SetPrintMode(int mode) { m_nPrintMode = mode; }
  54     virtual int  GetPrintMode(void) const { return m_nPrintMode; }
  55
  56     // implementation only
  57     void OnIdle(wxIdleEvent& rEvent);
  58     void OnEndSession(wxCloseEvent& rEvent);
  59     void OnQueryEndSession(wxCloseEvent& rEvent);
  60
  61     // Send idle event to all top-level windows.
  62     // Returns TRUE if more idle time is requested.
  63     bool SendIdleEvents(void);
  64
  65     // Send idle event to window and all subwindows
  66     // Returns TRUE if more idle time is requested.
  67     bool SendIdleEvents(wxWindow* pWin);
  68
  69     void SetAuto3D(bool bFlag) { m_bAuto3D = bFlag; }
  70     bool GetAuto3D(void) const { return m_bAuto3D; }
  71
  72 protected:
  73     bool                            m_bShowOnInit;
  74     int                             m_nPrintMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
  75     bool                            m_bAuto3D ;   // Always use 3D controls, except where overriden
  76
  77     //
  78     // PM-specific wxApp definitions */
  79     //
  80 public:
  81
  82     // Implementation
  83     static bool  Initialize(HAB vHab);
  84     static void  CleanUp(void);
  85
  86     static bool  RegisterWindowClasses(HAB vHab);
  87     virtual bool DoMessage(void);
  88     virtual bool ProcessMessage(WXMSG* pMsg);
  89     void         DeletePendingObjects(void);
  90     bool         ProcessIdle(void);
  91 #if wxUSE_THREADS
  92     void         ProcessPendingEvents(void);
  93 #endif
  94
  95 public:
  96     int                             m_nCmdShow;
  97
  98 protected:
  99     bool                            m_bKeepGoing ;
 100
 101     DECLARE_EVENT_TABLE()
 102 private:
 103     HAB                             m_vHab;
 104     HMQ                             m_hMq;
 105     QMSG                            m_vMsg;
 106 };
 107
 108 int WXDLLEXPORT wxEntry( int argc, char *argv[] );
 109 #endif
 110     // _WX_APP_H_
 111