CellEditableIF.addOnEditingDone

This signal is a sign for the cell renderer to update its value from the @cell_editable.

Implementations of #GtkCellEditable are responsible for emitting this signal when they are done editing, e.g. #GtkEntry is emitting it when the user presses Enter.

gtk_cell_editable_editing_done() is a convenience method for emitting #GtkCellEditable::editing-done.

interface CellEditableIF
void
addOnEditingDone

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