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(__WXWINE__)
  70     #define HINSTANCE HINSTANCE__*
  71
  72     extern "C"
  73 #elif defined(__TWIN32__) || defined(__WXMICROWIN__)
  74     #define HINSTANCE HANDLE
  75
  76     extern "C"
  77 #endif // WINE
  78
  79 int PASCAL WinMain(HINSTANCE hInstance,
  80                    HINSTANCE hPrevInstance,
  81                    LPSTR lpCmdLine,
  82                    int nCmdShow)
  83 {
  84     return wxEntry((WXHINSTANCE) hInstance, (WXHINSTANCE) hPrevInstance,
  85                    lpCmdLine, nCmdShow);
  86 }
  87
  88 #endif // !defined(_WINDLL)
  89
  90 /////////////////////////////////////////////////////////////////////////////////
  91 // DllMain
  92
  93 #if defined(_WINDLL)
  94
  95 // DLL entry point
  96
  97 extern "C"
  98 #ifdef __BORLANDC__
  99 // SCD: I don't know why, but also OWL uses this function
 100 BOOL WINAPI DllEntryPoint (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 101 #else
 102 BOOL WINAPI DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 103 #endif
 104 {
 105 #ifndef WXMAKINGDLL
 106     switch (fdwReason)
 107     {
 108         case DLL_PROCESS_ATTACH:
 109             // Only call wxEntry if the application itself is part of the DLL.
 110             // If only the wxWindows library is in the DLL, then the
 111             // initialisation will be called when the application implicitly
 112             // calls WinMain.
 113             return wxEntry((WXHINSTANCE) hModule);
 114
 115         case DLL_PROCESS_DETACH:
 116            if ( wxTheApp )
 117               wxTheApp->OnExit();
 118            wxEntryCleanup();
 119            break;
 120     }
 121 #else
 122         (void)hModule;
 123         (void)fdwReason;
 124 #endif // !WXMAKINGDLL
 125         (void)lpReserved;
 126     return TRUE;
 127 }
 128
 129 #endif // _WINDLL
 130
 131 #endif // !NOMAIN
 132
 133 // ----------------------------------------------------------------------------
 134 // global functions
 135 // ----------------------------------------------------------------------------
 136
 137 HINSTANCE wxGetInstance()
 138 {
 139     return wxhInstance;
 140 }
 141
 142 void wxSetInstance(HINSTANCE hInst)
 143 {
 144     wxhInstance = hInst;
 145 }
 146