X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a9e2e6e52b9c2371413597a92ccc4f8352963c32..cbeda384e51acb82e13994cb67ac1714669cae10:/include/wx/docview.h

diff --git a/include/wx/docview.h b/include/wx/docview.h
index 2a08d2c0ff..55fa2c7920 100644
--- a/include/wx/docview.h
+++ b/include/wx/docview.h
@@ -248,10 +248,7 @@ public:
 
     // set the associated frame, it is used to reset its view when we're
     // destroyed
-    void SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame)
-    {
-        m_docChildFrame = docChildFrame;
-    }
+    void SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame);
 
 protected:
     // hook the document into event handlers chain here
@@ -520,10 +517,11 @@ inline size_t wxDocManager::GetNoHistoryFiles() const
 // wxDocChildFrameAny does
 // ----------------------------------------------------------------------------
 
-class wxDocChildFrameAnyBase
+class WXDLLIMPEXP_CORE wxDocChildFrameAnyBase
 {
 public:
-    wxDocChildFrameAnyBase(wxDocument *doc, wxView *view)
+    wxDocChildFrameAnyBase(wxDocument *doc, wxView *view, wxWindow *win)
+        : m_win(win)
     {
         m_childDocument = doc;
         m_childView = view;
@@ -532,11 +530,21 @@ public:
             view->SetDocChildFrame(this);
     }
 
+    ~wxDocChildFrameAnyBase()
+    {
+        // prevent the view from deleting us if we're being deleted directly
+        // (and not via Close() + Destroy())
+        if ( m_childView )
+            m_childView->SetDocChildFrame(NULL);
+    }
+
     wxDocument *GetDocument() const { return m_childDocument; }
     wxView *GetView() const { return m_childView; }
     void SetDocument(wxDocument *doc) { m_childDocument = doc; }
     void SetView(wxView *view) { m_childView = view; }
 
+    wxWindow *GetWindow() const { return m_win; }
+
 protected:
     // we're not a wxEvtHandler but we provide this wxEvtHandler-like function
     // which is called from TryBefore() of the derived classes to give our view
@@ -554,6 +562,11 @@ protected:
     wxDocument*       m_childDocument;
     wxView*           m_childView;
 
+    // the associated window: having it here is not terribly elegant but it
+    // allows us to avoid having any virtual functions in this class
+    wxWindow * const m_win;
+
+
     wxDECLARE_NO_COPY_CLASS(wxDocChildFrameAnyBase);
 };
 
@@ -585,11 +598,8 @@ public:
                        long style = wxDEFAULT_FRAME_STYLE,
                        const wxString& name = wxFrameNameStr)
         : BaseClass(parent, id, title, pos, size, style, name),
-          wxDocChildFrameAnyBase(doc, view)
+          wxDocChildFrameAnyBase(doc, view, this)
     {
-        if ( view )
-            view->SetFrame(this);
-
         this->Connect(wxEVT_ACTIVATE,
                       wxActivateEventHandler(wxDocChildFrameAny::OnActivate));
         this->Connect(wxEVT_CLOSE_WINDOW,
@@ -636,6 +646,14 @@ private:
 // otherwise we could simply typedef it
 // ----------------------------------------------------------------------------
 
+#ifdef __VISUALC6__
+    // "non dll-interface class 'wxDocChildFrameAny<>' used as base interface
+    // for dll-interface class 'wxDocChildFrame'" -- this is bogus as the
+    // template will be DLL-exported but only once it is used as base class
+    // here!
+    #pragma warning (disable:4275)
+#endif
+
 typedef wxDocChildFrameAny<wxFrame, wxFrame> wxDocChildFrameBase;
 
 class WXDLLIMPEXP_CORE wxDocChildFrame : public wxDocChildFrameBase
@@ -660,7 +678,9 @@ private:
     wxDECLARE_NO_COPY_CLASS(wxDocChildFrame);
 };
 
-WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxDocChildFrameBase )
+#ifdef __VISUALC6__
+    #pragma warning (default:4275)
+#endif
 
 // ----------------------------------------------------------------------------
 // A default parent frame