OnMessageLongPressCallback typedef

OnMessageLongPressCallback = void Function(Message message, {LongPressStartDetails details, int index})

Callback signature for when a message is long-pressed. Provides the long-pressed message, its index, and LongPressStartDetails.

Implementation

typedef OnMessageLongPressCallback =
    void Function(Message message, {int index, LongPressStartDetails details});