X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/04ef50df3a0fa3c343800c554e609f98fc7575cc..acc0ebd7a871124d4d6b36069340227e6c584f38:/src/msw/app.cpp

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 7ad291e9d9..f542a094a8 100644
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -115,7 +115,8 @@
     #define _WIN32_IE 0x0200
 #endif
 
-#if _WIN32_IE >= 0x0300
+#if _WIN32_IE >= 0x0300 \
+    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
     #include <shlwapi.h>
 #endif
 
@@ -242,7 +243,7 @@ bool wxApp::Initialize()
     InitCommonControls();
 #endif // __WIN95__
 
-#if wxUSE_OLE || wxUSE_DRAG_AND_DROP || wxUSE_DATAOBJ
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP
 
 #ifdef __WIN16__
     // for OLE, enlarge message queue to be as large as possible
@@ -250,6 +251,7 @@ bool wxApp::Initialize()
     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
         ;
 #endif // Win16
+
     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )
         wxLogError(_("Cannot initialize OLE"));
@@ -717,7 +719,7 @@ int wxEntry(WXHINSTANCE hInstance,
             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 
-            wxTheApp = (*wxApp::GetInitializerFunction()) ();
+            wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();
         }
 
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
@@ -1110,6 +1112,14 @@ void wxApp::OnIdle(wxIdleEvent& event)
     wxLog::FlushActive();
 #endif // wxUSE_LOG
 
+#if wxUSE_DC_CACHEING
+    // automated DC cache management: clear the cached DCs and bitmap
+    // if it's likely that the app has finished with them, that is, we
+    // get an idle event and we're not dragging anything.
+    if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
+        wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+
     // Send OnIdle events to all windows
     if ( SendIdleEvents() )
     {