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 WXDLLEXPORT_DATA(extern HAB)    vHabmain;
  26
  27 // Force an exit from main loop
  28 void WXDLLEXPORT wxExit(void);
  29
  30 // Yield to other apps/messages
  31 bool WXDLLEXPORT wxYield(void);
  32
  33 extern MRESULT EXPENTRY wxWndProc( HWND
  34                                   ,ULONG
  35                                   ,MPARAM
  36                                   ,MPARAM
  37                                  );
  38
  39 // Represents the application. Derive OnInit and declare
  40 // a new App object to start application
  41 class WXDLLEXPORT wxApp : public wxAppBase
  42 {
  43     DECLARE_DYNAMIC_CLASS(wxApp)
  44
  45 public:
  46     wxApp();
  47     virtual ~wxApp();
  48
  49     virtual bool OnInitGui(void);
  50
  51     // override base class (pure) virtuals
  52     virtual int  MainLoop(void);
  53     virtual void ExitMainLoop(void);
  54     virtual bool Initialized(void);
  55     virtual bool Pending(void) ;
  56     virtual void Dispatch(void);
  57
  58     virtual wxIcon GetStdIcon(int which) const;
  59
  60     virtual void SetPrintMode(int mode) { m_nPrintMode = mode; }
  61     virtual int  GetPrintMode(void) const { return m_nPrintMode; }
  62
  63     // implementation only
  64     void OnIdle(wxIdleEvent& rEvent);
  65     void OnEndSession(wxCloseEvent& rEvent);
  66     void OnQueryEndSession(wxCloseEvent& rEvent);
  67
  68     // Send idle event to all top-level windows.
  69     // Returns TRUE if more idle time is requested.
  70     bool SendIdleEvents(void);
  71
  72     // Send idle event to window and all subwindows
  73     // Returns TRUE if more idle time is requested.
  74     bool SendIdleEvents(wxWindow* pWin);
  75
  76     void SetAuto3D(bool bFlag) { m_bAuto3D = bFlag; }
  77     bool GetAuto3D(void) const { return m_bAuto3D; }
  78
  79 protected:
  80     bool                            m_bShowOnInit;
  81     int                             m_nPrintMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
  82     bool                            m_bAuto3D ;   // Always use 3D controls, except where overriden
  83
  84     //
  85     // PM-specific wxApp definitions */
  86     //
  87 public:
  88
  89     // Implementation
  90     static bool  Initialize(HAB vHab);
  91     static void  CleanUp(void);
  92
  93     static bool  RegisterWindowClasses(HAB vHab);
  94     virtual bool DoMessage(void);
  95     virtual bool ProcessMessage(WXMSG* pMsg);
  96     void         DeletePendingObjects(void);
  97     bool         ProcessIdle(void);
  98
  99 public:
 100     int                             m_nCmdShow;
 101
 102 protected:
 103     bool                            m_bKeepGoing ;
 104
 105     DECLARE_EVENT_TABLE()
 106 private:
 107     HMQ                             m_hMq;
 108 };
 109
 110 int WXDLLEXPORT wxEntry( int argc, char *argv[] );
 111 #endif
 112     // _WX_APP_H_
 113