Trait `ConditionalEventHandler`

trait ConditionalEventHandler: Send + Sync

May behave differently depending on:

edit mode (emacs vs vi)
vi input mode (insert vs replace vs command modes)
empty line
cursor position
repeat count
original key pressed (when same command is bound to different key)
hint
...

Required Methods

fn handle(self: &Self, evt: &Event, n: RepeatCount, positive: bool, ctx: &EventContext<'_>) -> Option<Cmd>: Takes the current input state and returns the command to be performed or None to perform the default one.