src/msw/main.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/main.cpp
   3 // Purpose:     WinMain/DllMain
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #include "wx/event.h"
  32 #include "wx/app.h"
  33
  34 #include "wx/msw/private.h"
  35
  36 // Don't implement WinMain if we're building an MFC/wxWindows hybrid app.
  37 #if wxUSE_MFC && !defined(NOMAIN)
  38     #define NOMAIN 1
  39 #endif
  40
  41 #ifdef __BORLANDC__
  42     // BC++ has to be special: its run-time expects the DLL entry point to be
  43     // named DllEntryPoint instead of the (more) standard DllMain
  44     #define DllMain DllEntryPoint
  45 #endif
  46
  47 #if defined(__WXMICROWIN__)
  48     #define HINSTANCE HANDLE
  49 #endif
  50
  51 // ----------------------------------------------------------------------------
  52 // function prototypes
  53 // ----------------------------------------------------------------------------
  54
  55 // from src/msw/app.cpp
  56 extern void WXDLLEXPORT wxEntryCleanup();
  57
  58 // ============================================================================
  59 // implementation: various entry points
  60 // ============================================================================
  61
  62 // May wish not to have a DllMain or WinMain, e.g. if we're programming
  63 // a Netscape plugin or if we're writing a console application
  64 #if wxUSE_GUI && !defined(NOMAIN)
  65
  66 extern "C"
  67 {
  68
  69 // ----------------------------------------------------------------------------
  70 // WinMain
  71 // ----------------------------------------------------------------------------
  72
  73 // Note that WinMain is also defined in dummy.obj, which is linked to
  74 // an application that is using the DLL version of wxWindows.
  75
  76 #if !defined(_WINDLL)
  77
  78 int PASCAL WinMain(HINSTANCE hInstance,
  79                    HINSTANCE hPrevInstance,
  80                    LPSTR lpCmdLine,
  81                    int nCmdShow)
  82 {
  83     return wxEntry((WXHINSTANCE) hInstance,
  84                    (WXHINSTANCE) hPrevInstance,
  85                    lpCmdLine,
  86                    nCmdShow);
  87 }
  88
  89 #else // _WINDLL
  90
  91 // DLL entry point
  92
  93 BOOL WINAPI
  94 DllMain(HANDLE hModule, DWORD fdwReason, LPVOID WXUNUSED(lpReserved))
  95 {
  96     // Only call wxEntry if the application itself is part of the DLL.
  97     // If only the wxWindows library is in the DLL, then the
  98     // initialisation will be called when the application implicitly
  99     // calls WinMain.
 100 #ifndef WXMAKINGDLL
 101     switch (fdwReason)
 102     {
 103         case DLL_PROCESS_ATTACH:
 104             return wxEntry((WXHINSTANCE) hModule);
 105
 106         case DLL_PROCESS_DETACH:
 107            if ( wxTheApp )
 108               wxTheApp->OnExit();
 109            wxEntryCleanup();
 110            break;
 111     }
 112 #else
 113         (void)hModule;
 114         (void)fdwReason;
 115 #endif // !WXMAKINGDLL
 116
 117     return TRUE;
 118 }
 119
 120 #endif // _WINDLL/!_WINDLL
 121
 122 } // extern "C"
 123
 124 #endif // !NOMAIN
 125
 126 // ----------------------------------------------------------------------------
 127 // global HINSTANCE
 128 // ----------------------------------------------------------------------------
 129
 130 #ifdef __WXBASE__
 131
 132 HINSTANCE wxhInstance = 0;
 133
 134 HINSTANCE wxGetInstance()
 135 {
 136     return wxhInstance;
 137 }
 138
 139 void wxSetInstance(HINSTANCE hInst)
 140 {
 141     wxhInstance = hInst;
 142 }
 143
 144 #endif // __WXBASE__
 145