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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "app.h"
  17 #endif
  18
  19 #include "wx/event.h"
  20 #include "wx/icon.h"
  21
  22 class WXDLLIMPEXP_CORE wxFrame;
  23 class WXDLLIMPEXP_CORE wxWindow;
  24 class WXDLLIMPEXP_CORE wxApp;
  25 class WXDLLIMPEXP_CORE wxKeyEvent;
  26 class WXDLLIMPEXP_BASE 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 bool Initialize(int& argc, wxChar **argv);
  40     virtual void CleanUp();
  41
  42     virtual bool Yield(bool onlyIfNeeded = false);
  43     virtual void WakeUpIdle();
  44
  45     virtual void SetPrintMode(int mode) { m_printMode = mode; }
  46     virtual int GetPrintMode() const { return m_printMode; }
  47
  48     // implementation only
  49     void OnIdle(wxIdleEvent& event);
  50     void OnEndSession(wxCloseEvent& event);
  51     void OnQueryEndSession(wxCloseEvent& event);
  52
  53 #if wxUSE_EXCEPTIONS
  54     virtual bool OnExceptionInMainLoop();
  55 #endif // wxUSE_EXCEPTIONS
  56
  57 protected:
  58     int    m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
  59
  60 public:
  61     // Implementation
  62     static bool RegisterWindowClasses();
  63     static bool UnregisterWindowClasses();
  64
  65 #if wxUSE_RICHEDIT
  66     // initialize the richedit DLL of (at least) given version, return true if
  67     // ok (Win95 has version 1, Win98/NT4 has 1 and 2, W2K has 3)
  68     static bool InitRichEdit(int version = 2);
  69 #endif // wxUSE_RICHEDIT
  70
  71     // returns 400, 470, 471 for comctl32.dll 4.00, 4.70, 4.71 or 0 if it
  72     // wasn't found at all
  73     static int GetComCtl32Version();
  74
  75     // the SW_XXX value to be used for the frames opened by the application
  76     // (currently seems unused which is a bug -- TODO)
  77     static int m_nCmdShow;
  78
  79 protected:
  80     DECLARE_EVENT_TABLE()
  81     DECLARE_NO_COPY_CLASS(wxApp)
  82 };
  83
  84 // ----------------------------------------------------------------------------
  85 // MSW-specific wxEntry() overload and IMPLEMENT_WXWIN_MAIN definition
  86 // ----------------------------------------------------------------------------
  87
  88 // we need HINSTANCE declaration to define WinMain()
  89 #include "wx/msw/wrapwin.h"
  90
  91 #ifndef SW_SHOWNORMAL
  92     #define SW_SHOWNORMAL 1
  93 #endif
  94
  95 // WinMain() is always ANSI, even in Unicode build, under normal Windows
  96 // but is always Unicode under CE
  97 #ifdef __WXWINCE__
  98     typedef wchar_t *wxCmdLineArgType;
  99 #else
 100     typedef char *wxCmdLineArgType;
 101 #endif
 102
 103 extern int WXDLLEXPORT
 104 wxEntry(HINSTANCE hInstance,
 105         HINSTANCE hPrevInstance = NULL,
 106         wxCmdLineArgType pCmdLine = NULL,
 107         int nCmdShow = SW_SHOWNORMAL);
 108
 109 #define IMPLEMENT_WXWIN_MAIN \
 110     extern "C" int WINAPI WinMain(HINSTANCE hInstance,                    \
 111                                   HINSTANCE hPrevInstance,                \
 112                                   wxCmdLineArgType lpCmdLine,             \
 113                                   int nCmdShow)                           \
 114     {                                                                     \
 115         return wxEntry(hInstance, hPrevInstance, lpCmdLine, nCmdShow);    \
 116     }
 117
 118 #endif // _WX_APP_H_
 119