src/msw/main.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/main.cpp
   3 // Purpose:     Main/DllMain
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  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 // from src/msw/app.cpp
  37 extern void WXDLLEXPORT wxEntryCleanup();
  38
  39 // ----------------------------------------------------------------------------
  40 // globals
  41 // ----------------------------------------------------------------------------
  42
  43 HINSTANCE wxhInstance = 0;
  44
  45 // ============================================================================
  46 // implementation
  47 // ============================================================================
  48
  49 // ----------------------------------------------------------------------------
  50 // various entry points
  51 // ----------------------------------------------------------------------------
  52
  53 // May wish not to have a DllMain or WinMain, e.g. if we're programming
  54 // a Netscape plugin or if we're writing a console application
  55 #if wxUSE_GUI && !defined(NOMAIN)
  56
  57 // NT defines APIENTRY, 3.x not
  58 #if !defined(APIENTRY)
  59     #define APIENTRY FAR PASCAL
  60 #endif
  61
  62 /////////////////////////////////////////////////////////////////////////////////
  63 // WinMain
  64 // Note that WinMain is also defined in dummy.obj, which is linked to
  65 // an application that is using the DLL version of wxWindows.
  66
  67 #if !defined(_WINDLL)
  68
  69 #if defined(__TWIN32__) || defined(__WXWINE__) || defined(__WXMICROWIN__)
  70     #define HINSTANCE HANDLE
  71
  72     extern "C"
  73 #endif // WINE
  74
  75 int PASCAL WinMain(HINSTANCE hInstance,
  76                    HINSTANCE hPrevInstance,
  77                    LPSTR lpCmdLine,
  78                    int nCmdShow)
  79 {
  80     return wxEntry((WXHINSTANCE) hInstance, (WXHINSTANCE) hPrevInstance,
  81                    lpCmdLine, nCmdShow);
  82 }
  83
  84 #endif // !defined(_WINDLL)
  85
  86 /////////////////////////////////////////////////////////////////////////////////
  87 // DllMain
  88
  89 #if defined(_WINDLL)
  90
  91 // DLL entry point
  92
  93 extern "C"
  94 #ifdef __BORLANDC__
  95 // SCD: I don't know why, but also OWL uses this function
  96 BOOL WINAPI DllEntryPoint (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
  97 #else
  98 BOOL WINAPI DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
  99 #endif
 100 {
 101 #ifndef WXMAKINGDLL
 102     switch (fdwReason)
 103     {
 104         case DLL_PROCESS_ATTACH:
 105             // Only call wxEntry if the application itself is part of the DLL.
 106             // If only the wxWindows library is in the DLL, then the
 107             // initialisation will be called when the application implicitly
 108             // calls WinMain.
 109             return wxEntry((WXHINSTANCE) hModule);
 110
 111         case DLL_PROCESS_DETACH:
 112            if ( wxTheApp )
 113               wxTheApp->OnExit();
 114            wxEntryCleanup();
 115            break;
 116     }
 117 #else
 118         (void)hModule;
 119         (void)fdwReason;
 120 #endif // !WXMAKINGDLL
 121         (void)lpReserved;
 122     return TRUE;
 123 }
 124
 125 #endif // _WINDLL
 126
 127 #endif // !NOMAIN
 128
 129 // ----------------------------------------------------------------------------
 130 // global functions
 131 // ----------------------------------------------------------------------------
 132
 133 HINSTANCE wxGetInstance()
 134 {
 135     return wxhInstance;
 136 }
 137
 138 void wxSetInstance(HINSTANCE hInst)
 139 {
 140     wxhInstance = hInst;
 141 }
 142