add an assert indicating that old code overriding OnExecute() must be updated with 2.9

[wxWidgets.git] / include / wx / msw / app.h

diff --git a/include/wx/msw/app.h b/include/wx/msw/app.h
index c9703b11d84f2907f2562972db91c14f259f1057..e45caf78a30034dbed236739bad446ff6c8accf6 100644 (file)
--- a/include/wx/msw/app.h
+++ b/include/wx/msw/app.h
@@ -23,7 +23,7 @@ class WXDLLIMPEXP_FWD_BASE wxLog;
 
 // Represents the application. Derive OnInit and declare
 // a new App object to start application
-class WXDLLEXPORT wxApp : public wxAppBase
+class WXDLLIMPEXP_CORE wxApp : public wxAppBase
 {
     DECLARE_DYNAMIC_CLASS(wxApp)
 
@@ -122,26 +122,56 @@ inline int wxApp::GetShell32Version()
 
 // wxMSW-only overloads of wxEntry() and wxEntryStart() which take the
 // parameters passed to WinMain() instead of those passed to main()
-extern bool WXDLLEXPORT
-wxEntryStart(HINSTANCE hInstance,
-             HINSTANCE hPrevInstance = NULL,
-             wxCmdLineArgType pCmdLine = NULL,
-             int nCmdShow = SW_SHOWNORMAL);
-
-extern int WXDLLEXPORT
-wxEntry(HINSTANCE hInstance,
-        HINSTANCE hPrevInstance = NULL,
-        wxCmdLineArgType pCmdLine = NULL,
-        int nCmdShow = SW_SHOWNORMAL);
+extern WXDLLIMPEXP_CORE bool
+    wxEntryStart(HINSTANCE hInstance,
+                HINSTANCE hPrevInstance = NULL,
+                wxCmdLineArgType pCmdLine = NULL,
+                int nCmdShow = SW_SHOWNORMAL);
+
+extern WXDLLIMPEXP_CORE int
+    wxEntry(HINSTANCE hInstance,
+            HINSTANCE hPrevInstance = NULL,
+            wxCmdLineArgType pCmdLine = NULL,
+            int nCmdShow = SW_SHOWNORMAL);
+
+#if defined(__BORLANDC__) && wxUSE_UNICODE
+    // Borland C++ has the following nonstandard behaviour: when the -WU
+    // command line flag is used, the linker expects to find wWinMain instead
+    // of WinMain. This flag causes the compiler to define _UNICODE and
+    // UNICODE symbols and there's no way to detect its use, so we have to
+    // define both WinMain and wWinMain so that IMPLEMENT_WXWIN_MAIN works
+    // for both code compiled with and without -WU.
+    // See http://sourceforge.net/tracker/?func=detail&atid=309863&aid=1935997&group_id=9863
+    // for more details.
+    #define IMPLEMENT_WXWIN_MAIN_BORLAND_NONSTANDARD                        \
+        extern "C" int WINAPI wWinMain(HINSTANCE hInstance,                 \
+                                      HINSTANCE hPrevInstance,              \
+                                      wchar_t * WXUNUSED(lpCmdLine),        \
+                                      int nCmdShow)                         \
+        {                                                                   \
+            /* NB: wxEntry expects lpCmdLine argument to be char*, not */   \
+            /*     wchar_t*, but fortunately it's not used anywhere    */   \
+            /*     and we can simply pass NULL in:                     */   \
+            return wxEntry(hInstance, hPrevInstance, NULL, nCmdShow);       \
+        }
+#else
+    #define IMPLEMENT_WXWIN_MAIN_BORLAND_NONSTANDARD
+#endif // defined(__BORLANDC__) && wxUSE_UNICODE
 
 #define IMPLEMENT_WXWIN_MAIN \
-    extern "C" int WINAPI WinMain(HINSTANCE hInstance,                    \
-                                  HINSTANCE hPrevInstance,                \
-                                  wxCmdLineArgType lpCmdLine,             \
-                                  int nCmdShow)                           \
-    {                                                                     \
-        return wxEntry(hInstance, hPrevInstance, lpCmdLine, nCmdShow);    \
-    }
+    extern "C" int WINAPI WinMain(HINSTANCE hInstance,                      \
+                                  HINSTANCE hPrevInstance,                  \
+                                  wxCmdLineArgType WXUNUSED(lpCmdLine),     \
+                                  int nCmdShow)                             \
+    {                                                                       \
+        /* NB: We pass NULL in place of lpCmdLine to behave the same as  */ \
+        /*     Borland-specific wWinMain() above. If it becomes needed   */ \
+        /*     to pass lpCmdLine to wxEntry() here, you'll have to fix   */ \
+        /*     wWinMain() above too.                                     */ \
+        return wxEntry(hInstance, hPrevInstance, NULL, nCmdShow);           \
+    }                                                                       \
+    IMPLEMENT_WXWIN_MAIN_BORLAND_NONSTANDARD
+
 
 #endif // _WX_APP_H_