Interacting with Sliders

getSlider :: Slider a -> IO a

return the current value for the slider. Non-blocking.

waitSlider :: Slider a -> IO a

wait until the next time the slider thumb is released and dropped, returning its new value.

waitSliderMovement :: Slider a -> IO (a, Bool)

wait until the next time the slider thumb is moved, returning its new value.

setSlider :: Slider a -> a -> IO a

move the slider to a position corresponding to

resizeThumb :: Slider a -> Double -> IO ()

set the size of the thumb such that thumb is a fraction of the size of the whole sliding area, i.e. resizeThumb slider 0.5 will make the thumb's length equal to half of the length of the sliding area. In the case of 2D sliders, the thumb is scaled in both directions.

incSlider :: Num a => Slider a -> a -> IO ()

increment the current value of a slider by some amount.

decSlider :: Num a => Slider a -> a -> IO ()

decrement the slider's value by some value.

mapSlider :: (a->b) -> Slider a -> Slider b

return a new slider that maps a function over the values reported from an existing slider.

getSliderGauge :: Slider a -> Gauge a

return the Gauge device that the Slider provdes an interactive front end to.

getSliderSize :: Slider a -> IO Size

return the current size of the sliding area.

getThumbBBox :: Slider a -> IO Rectangle

return the dimensions of the thumb.