Don't allow DestroyClippingRegion() to remove paint update area clipping with GTK3

See #18560
2019-10-31 23:30:18 -07:00
parent e376e74210
commit 4697ce23d9
3 changed files with 19 additions and 0 deletions
--- a/include/wx/gtk/dc.h
+++ b/include/wx/gtk/dc.h
@@ -63,8 +63,13 @@ public:

 class wxPaintDCImpl: public wxGTKCairoDCImpl
 {
+    typedef wxGTKCairoDCImpl BaseType;
 public:
    wxPaintDCImpl(wxPaintDC* owner, wxWindow* window);
+    virtual void DestroyClippingRegion() wxOVERRIDE;
+
+private:
+    const wxRegion& m_clip;

    wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
 };