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 // Don't implement WinMain if we're building an MFC/wxWindows
  37 // hybrid app.
  38 #if wxUSE_MFC && !defined(NOMAIN)
  39 #define NOMAIN 1
  40 #endif
  41
  42 // from src/msw/app.cpp
  43 extern void WXDLLEXPORT wxEntryCleanup();
  44
  45 // ----------------------------------------------------------------------------
  46 // globals
  47 // ----------------------------------------------------------------------------
  48
  49 HINSTANCE wxhInstance = 0;
  50
  51 // ============================================================================
  52 // implementation
  53 // ============================================================================
  54
  55 // ----------------------------------------------------------------------------
  56 // various entry points
  57 // ----------------------------------------------------------------------------
  58
  59 // May wish not to have a DllMain or WinMain, e.g. if we're programming
  60 // a Netscape plugin or if we're writing a console application
  61 #if wxUSE_GUI && !defined(NOMAIN)
  62
  63 // NT defines APIENTRY, 3.x not
  64 #if !defined(APIENTRY)
  65     #define APIENTRY FAR PASCAL
  66 #endif
  67
  68 /////////////////////////////////////////////////////////////////////////////////
  69 // WinMain
  70 // Note that WinMain is also defined in dummy.obj, which is linked to
  71 // an application that is using the DLL version of wxWindows.
  72
  73 #if !defined(_WINDLL)
  74
  75 #if defined(__TWIN32__) || defined(__WXMICROWIN__)
  76     #define HINSTANCE HANDLE
  77
  78     extern "C"
  79 #endif
  80
  81 int PASCAL WinMain(HINSTANCE hInstance,
  82                    HINSTANCE hPrevInstance,
  83                    LPSTR lpCmdLine,
  84                    int nCmdShow)
  85 {
  86     return wxEntry((WXHINSTANCE) hInstance, (WXHINSTANCE) hPrevInstance,
  87                    lpCmdLine, nCmdShow);
  88 }
  89
  90 #endif // !defined(_WINDLL)
  91
  92 /////////////////////////////////////////////////////////////////////////////////
  93 // DllMain
  94
  95 #if defined(_WINDLL)
  96
  97 // DLL entry point
  98
  99 extern "C"
 100 #ifdef __BORLANDC__
 101 // SCD: I don't know why, but also OWL uses this function
 102 BOOL WINAPI DllEntryPoint (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 103 #else
 104 BOOL WINAPI DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 105 #endif
 106 {
 107 #ifndef WXMAKINGDLL
 108     switch (fdwReason)
 109     {
 110         case DLL_PROCESS_ATTACH:
 111             // Only call wxEntry if the application itself is part of the DLL.
 112             // If only the wxWindows library is in the DLL, then the
 113             // initialisation will be called when the application implicitly
 114             // calls WinMain.
 115             return wxEntry((WXHINSTANCE) hModule);
 116
 117         case DLL_PROCESS_DETACH:
 118            if ( wxTheApp )
 119               wxTheApp->OnExit();
 120            wxEntryCleanup();
 121            break;
 122     }
 123 #else
 124         (void)hModule;
 125         (void)fdwReason;
 126 #endif // !WXMAKINGDLL
 127         (void)lpReserved;
 128     return TRUE;
 129 }
 130
 131 #endif // _WINDLL
 132
 133 #endif // !NOMAIN
 134
 135 // ----------------------------------------------------------------------------
 136 // global functions
 137 // ----------------------------------------------------------------------------
 138
 139 HINSTANCE wxGetInstance()
 140 {
 141     return wxhInstance;
 142 }
 143
 144 void wxSetInstance(HINSTANCE hInst)
 145 {
 146     wxhInstance = hInst;
 147 }
 148