include/wx/msw/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.h
   3 // Purpose:     wxApp class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_APP_H_
  13 #define _WX_APP_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "app.h"
  17 #endif
  18
  19 #include "wx/event.h"
  20 #include "wx/icon.h"
  21
  22 class WXDLLEXPORT wxFrame;
  23 class WXDLLEXPORT wxWindow;
  24 class WXDLLEXPORT wxApp ;
  25 class WXDLLEXPORT wxKeyEvent;
  26 class WXDLLEXPORT wxLog;
  27
  28 // Represents the application. Derive OnInit and declare
  29 // a new App object to start application
  30 class WXDLLEXPORT wxApp : public wxAppBase
  31 {
  32     DECLARE_DYNAMIC_CLASS(wxApp)
  33
  34 public:
  35     wxApp();
  36     virtual ~wxApp();
  37
  38     // override base class (pure) virtuals
  39     virtual int MainLoop();
  40     virtual void ExitMainLoop();
  41     virtual bool Initialized();
  42     virtual bool Pending();
  43     virtual void Dispatch();
  44     virtual bool Yield(bool onlyIfNeeded = FALSE);
  45
  46     virtual void SetPrintMode(int mode) { m_printMode = mode; }
  47     virtual int GetPrintMode() const { return m_printMode; }
  48
  49     // implementation only
  50     void OnIdle(wxIdleEvent& event);
  51     void OnEndSession(wxCloseEvent& event);
  52     void OnQueryEndSession(wxCloseEvent& event);
  53
  54     // Send idle event to all top-level windows.
  55     // Returns TRUE if more idle time is requested.
  56     bool SendIdleEvents();
  57
  58     // Send idle event to window and all subwindows
  59     // Returns TRUE if more idle time is requested.
  60     bool SendIdleEvents(wxWindow* win);
  61
  62     void SetAuto3D(bool flag) { m_auto3D = flag; }
  63     bool GetAuto3D() const { return m_auto3D; }
  64
  65 protected:
  66     bool   m_showOnInit;
  67     int    m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
  68     bool   m_auto3D ;   // Always use 3D controls, except where overriden
  69
  70     /* Windows-specific wxApp definitions */
  71
  72 public:
  73
  74     // Implementation
  75     static bool Initialize();
  76     static void CleanUp();
  77
  78     static bool RegisterWindowClasses();
  79     static bool UnregisterWindowClasses();
  80
  81     // Convert Windows to argc, argv style
  82     void ConvertToStandardCommandArgs(const char* p);
  83
  84     // message processing
  85     // ------------------
  86
  87     // process the given message
  88     virtual void DoMessage(WXMSG *pMsg);
  89
  90     // retrieve the next message from the queue and process it
  91     virtual bool DoMessage();
  92
  93     // preprocess the message
  94     virtual bool ProcessMessage(WXMSG* pMsg);
  95
  96     // idle processing
  97     // ---------------
  98
  99     void DeletePendingObjects();
 100     bool ProcessIdle();
 101
 102 #if wxUSE_RICHEDIT
 103     // initialize the richedit DLL of (at least) given version, return TRUE if
 104     // ok (Win95 has version 1, Win98/NT4 has 1 and 2, W2K has 3)
 105     static bool InitRichEdit(int version = 2);
 106 #endif // wxUSE_RICHEDIT
 107
 108     // returns 400, 470, 471 for comctl32.dll 4.00, 4.70, 4.71 or 0 if it
 109     // wasn't found at all
 110     static int GetComCtl32Version();
 111
 112 public:
 113     int               m_nCmdShow;
 114
 115 protected:
 116     bool              m_keepGoing;
 117
 118     DECLARE_EVENT_TABLE()
 119 };
 120
 121 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 122 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance, WXHINSTANCE hPrevInstance,
 123                         char *lpszCmdLine, int nCmdShow, bool enterLoop = TRUE);
 124 #else
 125 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance);
 126 #endif
 127
 128 #endif
 129     // _WX_APP_H_
 130