don't add client area origin when positioning the child MDI frame

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60838 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -346,6 +346,7 @@ MSW:
 
 - Allow changing the height of wxChoice and wxComboBox.
 - Update CRT environment block in wxSetEnv() too.
+- Fix wxMDIChildFrame::SetSize() (Lars Rosenboom).
 
 i18n:
 

include/wx/msw/mdi.h

@@ -212,6 +212,7 @@ public:
 protected:
     virtual void DoGetScreenPosition(int *x, int *y) const;
     virtual void DoGetPosition(int *x, int *y) const;
+    virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
     virtual void DoSetClientSize(int width, int height);
     virtual void InternalSetMenuBar();
     virtual bool IsMDIChild() const { return true; }

src/msw/mdi.cpp

@@ -902,6 +902,14 @@ bool wxMDIChildFrame::Show(bool show)
     return true;
 }
 
+void
+wxMDIChildFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+{
+    // we need to disable client area origin adjustments used for the child
+    // windows for the frame itself
+    wxMDIChildFrameBase::DoSetSize(x, y, width, height, sizeFlags);
+}
+
 // Set the client size (i.e. leave the calculation of borders etc.
 // to wxWidgets)
 void wxMDIChildFrame::DoSetClientSize(int width, int height)