const wxRibbonPanel* wnd,
wxSize size,
wxPoint* client_offset) = 0;
-
+
+ /**
+ Calculate the position and size of the panel extension button.
+
+ @param dc
+ A device context to use if one is required for size calculations.
+ @param wnd
+ The ribbon panel in question.
+ @param rect
+ The panel rectangle from which calculate extension button rectangle.
+
+ @since 2.9.4
+ */
+ virtual wxRect GetPanelExtButtonArea(
+ wxDC& dc,
+ const wxRibbonPanel* wnd,
+ wxRect rect) = 0;
+
/**
Calculate the size of a wxRibbonGallery control for a given client
size. This should increment the given size by enough to fit the gallery