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 wxIcon GetStdIcon(int which) const;
  47
  48     virtual void SetPrintMode(int mode) { m_printMode = mode; }
  49     virtual int GetPrintMode() const { return m_printMode; }
  50
  51     // implementation only
  52     void OnIdle(wxIdleEvent& event);
  53     void OnEndSession(wxCloseEvent& event);
  54     void OnQueryEndSession(wxCloseEvent& event);
  55
  56     // Send idle event to all top-level windows.
  57     // Returns TRUE if more idle time is requested.
  58     bool SendIdleEvents();
  59
  60     // Send idle event to window and all subwindows
  61     // Returns TRUE if more idle time is requested.
  62     bool SendIdleEvents(wxWindow* win);
  63
  64     void SetAuto3D(bool flag) { m_auto3D = flag; }
  65     bool GetAuto3D() const { return m_auto3D; }
  66
  67 protected:
  68     bool   m_showOnInit;
  69     int    m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
  70     bool   m_auto3D ;   // Always use 3D controls, except where overriden
  71
  72     /* Windows-specific wxApp definitions */
  73
  74 public:
  75
  76     // Implementation
  77     static bool Initialize();
  78     static void CleanUp();
  79
  80     static bool RegisterWindowClasses();
  81     static bool UnregisterWindowClasses();
  82
  83     // Convert Windows to argc, argv style
  84     void ConvertToStandardCommandArgs(char* p);
  85
  86     // message processing
  87     // ------------------
  88
  89     // process the given message
  90     virtual void DoMessage(WXMSG *pMsg);
  91
  92     // retrieve the next message from the queue and process it
  93     virtual bool DoMessage();
  94
  95     // preprocess the message
  96     virtual bool ProcessMessage(WXMSG* pMsg);
  97
  98     // idle processing
  99     // ---------------
 100
 101     void DeletePendingObjects();
 102     bool ProcessIdle();
 103
 104 #if wxUSE_RICHEDIT
 105     // initialize the richedit DLL of (at least) given version, return TRUE if
 106     // ok (Win95 has version 1, Win98/NT4 has 1 and 2, W2K has 3)
 107     static bool InitRichEdit(int version = 2);
 108 #endif // wxUSE_RICHEDIT
 109
 110     // returns 400, 470, 471 for comctl32.dll 4.00, 4.70, 4.71 or 0 if it
 111     // wasn't found at all
 112     static int GetComCtl32Version();
 113
 114 public:
 115     int               m_nCmdShow;
 116
 117 protected:
 118     bool              m_keepGoing;
 119
 120     DECLARE_EVENT_TABLE()
 121 };
 122
 123 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 124 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance, WXHINSTANCE hPrevInstance,
 125                         char *lpszCmdLine, int nCmdShow, bool enterLoop = TRUE);
 126 #else
 127 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance);
 128 #endif
 129
 130 #endif
 131     // _WX_APP_H_
 132