¤ inputDoneSP, inputLeaveDoneSP, et al

Data entry field postprocessors

Types

inputDoneSP :: SP (InputMsg b) b
inputLeaveDoneSP :: SP (InputMsg b) b
stripInputSP :: SP (InputMsg b) b

data InputMsg a = InputChange a | InputDone KeySym a

Description

inputDoneSP is a stream processor which removes all messages indicating that a change has been made in an input field and only passes those messages that indicate that the user has finished the input (by pressing Return, Enter, Tab or some similar key).

inputLeaveDoneSP will also pass messages indicating that the mouse pointer has left the input field.

stripInputSP pass messages that indicates that the contents of the input field has changed or that it is complete (i.e., all messages except the ones caused by the pointer leaving the input field).

Input

The output from an input field.

Output

The values contained in some of the input messages, as described above.

Example