The type of the callback functions used for iterating over the cell renderers and their allocated areas inside a gtk.cell_area.CellArea, see gtk.cell_area.CellArea.foreachAlloc.
true to stop iterating over cells.
The type of the callback functions used for iterating over the cell renderers and their allocated areas inside a gtk.cell_area.CellArea, see gtk.cell_area.CellArea.foreachAlloc.