Merge branch 'ole-init-module'

Do OLE initialization from a module to fix problems due to
uninitializing it too early.

See https://github.com/wxWidgets/wxWidgets/pull/1807

src/msw/app.cpp

@@ -145,6 +145,33 @@ wxVector<ClassRegInfo> gs_regClassesInfo;
 
 LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 
+// ----------------------------------------------------------------------------
+// Module for OLE initialization and cleanup
+// ----------------------------------------------------------------------------
+
+class wxOleInitModule : public wxModule
+{
+public:
+    wxOleInitModule()
+    {
+    }
+
+    virtual bool OnInit() wxOVERRIDE
+    {
+        return wxOleInitialize();
+    }
+
+    virtual void OnExit() wxOVERRIDE
+    {
+        wxOleUninitialize();
+    }
+
+private:
+    wxDECLARE_DYNAMIC_CLASS(wxOleInitModule);
+};
+
+wxIMPLEMENT_DYNAMIC_CLASS(wxOleInitModule, wxModule);
+
 // ===========================================================================
 // wxGUIAppTraits implementation
 // ===========================================================================
@@ -622,8 +649,6 @@ bool wxApp::Initialize(int& argc_, wxChar **argv_)
 
     InitCommonControls();
 
-    wxOleInitialize();
-
     wxSetKeyboardHook(true);
 
     callBaseCleanup.Dismiss();
@@ -739,8 +764,6 @@ void wxApp::CleanUp()
 
     wxSetKeyboardHook(false);
 
-    wxOleUninitialize();
-
     // for an EXE the classes are unregistered when it terminates but DLL may
     // be loaded several times (load/unload/load) into the same process in
     // which case the registration will fail after the first time if we don't

src/msw/clipbrd.cpp

@@ -458,10 +458,6 @@ wxIMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject);
 
 wxClipboard::wxClipboard()
 {
-#if wxUSE_OLE_CLIPBOARD
-    wxOleInitialize();
-#endif
-
     m_lastDataObject = NULL;
     m_isOpened = false;
 }
@@ -472,10 +468,6 @@ wxClipboard::~wxClipboard()
     {
         Clear();
     }
-
-#if wxUSE_OLE_CLIPBOARD
-    wxOleUninitialize();
-#endif
 }
 
 void wxClipboard::Clear()

src/msw/graphicsd2d.cpp

@@ -5247,14 +5247,14 @@ class wxDirect2DModule : public wxModule
 public:
     wxDirect2DModule()
     {
+        // Using Direct2D requires OLE and, importantly, we must ensure our
+        // OnExit() runs before it is uninitialized.
+        AddDependency("wxOleInitModule");
     }
 
     virtual bool OnInit() wxOVERRIDE
     {
-        HRESULT hr = ::CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
-        // RPC_E_CHANGED_MODE is not considered as an error
-        // - see remarks for wxOleInitialize().
-        return SUCCEEDED(hr) || hr == RPC_E_CHANGED_MODE;
+        return true;
     }
 
     virtual void OnExit() wxOVERRIDE
@@ -5289,8 +5289,6 @@ public:
             gs_ID2D1Factory->Release();
             gs_ID2D1Factory = NULL;
         }
-
-        ::CoUninitialize();
     }
 
 private:

src/msw/rt/notifmsgrt.cpp

@@ -463,6 +463,9 @@ class wxToastNotifMsgModule : public wxModule
 public:
     wxToastNotifMsgModule()
     {
+        // Using RT API requires OLE and, importantly, we must ensure our
+        // OnExit() runs before it is uninitialized.
+        AddDependency("wxOleInitModule");
     }
 
     virtual bool OnInit() wxOVERRIDE