CellAllocCallback
typealias CellAllocCallback = (renderer: CellRenderer, <Error class: unknown class>, <Error class: unknown class>) -> Boolean
The type of the callback functions used for iterating over the cell renderers and their allocated areas inside a GtkCellArea
, see gtk_cell_area_foreach_alloc().
param
renderer
the cell renderer to operate onparam
cellArea
the area allocated to @renderer inside the rectangle provided to gtk_cell_area_foreach_alloc().param
cellBackground
the background area for @renderer inside the background area provided to gtk_cell_area_foreach_alloc().return true to stop iterating over cells.