GtkCellAreaClass.activate

This is called when the layouting widget rendering the #GtkCellArea activates the focus cell (see gtk.cell_area.CellArea.getFocusCell).

struct GtkCellAreaClass

extern (C)

gboolean function(GtkCellArea* area, GtkCellAreaContext* context, GtkWidget* widget, const(GdkRectangle)* cellArea, GtkCellRendererState flags, gboolean editOnly) activate;