ยค radioGroupF
Buttons
Types
radioGroupF :: (Graphic lbl, Eq alt) => [(alt, lbl)] -> alt -> F alt alt
Synopsis
radioGroupF alts startalt
Description
A radio group is a set of buttons, one of which is
active. Pressing one of the buttons make that button active and
the previously active button inactive.
Input
changes active alternatives under program control.
Output
the new alternative whenever the active alternative is changed.
Arguments
alts :: [(alt, lbl)]- A list of alternatives that the radio group will provide.
The alternatives are paired with their visual representation
(a string).
startalt :: alt- The alternative that will be active initially.
Example
radioGroupF [(1,"P1"),(2, "P2"), (3,"P3"), (0,"Off")] 0
See Also
Customisable version: radioGroupF'.
Related fudgets:
buttonF,
menuF,
toggleButtonF.
Bugs
If the user clicks on an already active alternative, that is output.
