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(__WXWINE__)
  76     #define HINSTANCE HINSTANCE__*
  77
  78     extern "C"
  79 #elif defined(__TWIN32__) || defined(__WXMICROWIN__)
  80     #define HINSTANCE HANDLE
  81
  82     extern "C"
  83 #endif // WINE
  84
  85 int PASCAL WinMain(HINSTANCE hInstance,
  86                    HINSTANCE hPrevInstance,
  87                    LPSTR lpCmdLine,
  88                    int nCmdShow)
  89 {
  90     return wxEntry((WXHINSTANCE) hInstance, (WXHINSTANCE) hPrevInstance,
  91                    lpCmdLine, nCmdShow);
  92 }
  93
  94 #endif // !defined(_WINDLL)
  95
  96 /////////////////////////////////////////////////////////////////////////////////
  97 // DllMain
  98
  99 #if defined(_WINDLL)
 100
 101 // DLL entry point
 102
 103 extern "C"
 104 #ifdef __BORLANDC__
 105 // SCD: I don't know why, but also OWL uses this function
 106 BOOL WINAPI DllEntryPoint (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 107 #else
 108 BOOL WINAPI DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
 109 #endif
 110 {
 111 #ifndef WXMAKINGDLL
 112     switch (fdwReason)
 113     {
 114         case DLL_PROCESS_ATTACH:
 115             // Only call wxEntry if the application itself is part of the DLL.
 116             // If only the wxWindows library is in the DLL, then the
 117             // initialisation will be called when the application implicitly
 118             // calls WinMain.
 119             return wxEntry((WXHINSTANCE) hModule);
 120
 121         case DLL_PROCESS_DETACH:
 122            if ( wxTheApp )
 123               wxTheApp->OnExit();
 124            wxEntryCleanup();
 125            break;
 126     }
 127 #else
 128         (void)hModule;
 129         (void)fdwReason;
 130 #endif // !WXMAKINGDLL
 131         (void)lpReserved;
 132     return TRUE;
 133 }
 134
 135 #endif // _WINDLL
 136
 137 #endif // !NOMAIN
 138
 139 // ----------------------------------------------------------------------------
 140 // global functions
 141 // ----------------------------------------------------------------------------
 142
 143 HINSTANCE wxGetInstance()
 144 {
 145     return wxhInstance;
 146 }
 147
 148 void wxSetInstance(HINSTANCE hInst)
 149 {
 150     wxhInstance = hInst;
 151 }
 152