X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1a4b50d2f1a81aa390ff70f4387bc776563cbab7..c829d62b6945c74edaf25210720129b8b749639d:/src/msw/dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 5a72decc62..357f6b40f4 100644
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -383,6 +383,24 @@ void wxDC::UpdateClipBox()
     m_clipY2 = (wxCoord) YDEV2LOG(rect.bottom);
 }
 
+void
+wxDC::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
+{
+    // check if we should try to retrieve the clipping region possibly not set
+    // by our SetClippingRegion() but preset by Windows:this can only happen
+    // when we're associated with an existing HDC usign SetHDC(), see there
+    if ( m_clipping && !m_clipX1 && !m_clipX2 )
+    {
+        wxDC *self = wxConstCast(this, wxDC);
+        self->UpdateClipBox();
+
+        if ( !m_clipX1 && !m_clipX2 )
+            self->m_clipping = false;
+    }
+
+    wxDCBase::DoGetClippingBox(x, y, w, h);
+}
+
 // common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
 void wxDC::SetClippingHrgn(WXHRGN hrgn)
 {
@@ -465,7 +483,7 @@ void wxDC::DestroyClippingRegion()
         ::DeleteObject(rgn);
     }
 
-    m_clipping = false;
+    wxDCBase::DestroyClippingRegion();
 }
 
 // ---------------------------------------------------------------------------