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