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
  68 extern "C"
  69 BOOL PASCAL WinMain(HANDLE hInstance, HANDLE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
  70
  71 #else
  72
  73 #ifdef __WATCOMC__
  74 int PASCAL
  75 #else
  76 int APIENTRY
  77 #endif
  78
  79  WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )
  80 #endif
  81 // __TWIN32__
  82
  83 {
  84   return wxEntry((WXHINSTANCE) hInstance, (WXHINSTANCE) hPrevInstance, lpCmdLine, nCmdShow);
  85 }
  86 #endif
  87
  88 /////////////////////////////////////////////////////////////////////////////////
  89 // DllMain
  90
  91 #if defined(_WINDLL)
  92
  93 // DLL entry point
  94
  95 extern "C"
  96 #ifdef __BORLANDC__
  97 // SCD: I don't know why, but also OWL uses this function
  98 BOOL WINAPI DllEntryPoint (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
  99 #else
 100 BOOL WINAPI DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 101 #endif
 102 {
 103     switch (fdwReason)
 104     {
 105         case DLL_PROCESS_ATTACH:
 106             // Only call wxEntry if the application itself is part of the DLL.
 107             // If only the wxWindows library is in the DLL, then the initialisation
 108             // will be called when the application implicitly calls WinMain.
 109
 110 #if !defined(WXMAKINGDLL)
 111             return wxEntry((WXHINSTANCE) hModule);
 112 #endif
 113             break;
 114
 115         case DLL_PROCESS_DETACH:
 116         default:
 117             break;
 118     }
 119     return TRUE;
 120 }
 121
 122 #endif // _WINDLL
 123
 124 #endif // !NOMAIN
 125
 126 // ----------------------------------------------------------------------------
 127 // global functions
 128 // ----------------------------------------------------------------------------
 129
 130 HINSTANCE wxGetInstance()
 131 {
 132     return wxhInstance;
 133 }
 134
 135 void wxSetInstance(HINSTANCE hInst)
 136 {
 137     wxhInstance = hInst;
 138 }
 139