Toggle checkboxes in generic wxDataViewCtrl with single click.

Both GTK+ and OS X native controls use single click to toggle
checkboxes, instead of double-click activation used by the generic
version. So does wxCheckListBox on Windows, so make wxDVC
behave the same way.

See #11185.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67094 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/dvrenderers.h

@@ -121,7 +121,8 @@ public:
     wxSize GetSize() const;
 
     // Implementation only, don't use nor override
-    virtual bool WXOnActivate(wxRect cell,
+    virtual bool WXOnLeftClick(wxPoint cursor,
+                               wxRect cell,
                                wxDataViewModel *model,
                                const wxDataViewItem& item,
                                unsigned int col);

src/generic/datavgen.cpp

@@ -863,7 +863,8 @@ bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state
     return true;
 }
 
-bool wxDataViewToggleRenderer::WXOnActivate(wxRect WXUNUSED(cell),
+bool wxDataViewToggleRenderer::WXOnLeftClick(wxPoint WXUNUSED(cursor),
+                                             wxRect WXUNUSED(cell),
                                              wxDataViewModel *model,
                                              const wxDataViewItem& item,
                                              unsigned int col)