{-# LANGUAGE FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, GeneralizedNewtypeDeriving, MonoLocalBinds, MultiParamTypeClasses, ScopedTypeVariables, TypeSynonymInstances, UndecidableInstances #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
module Graphics.UI.Qtah.Gui.QWheelEvent (
QWheelEventValue (..),
QWheelEventConstPtr (..),
QWheelEventPtr (..),
QWheelEventConst,
QWheelEvent,
castConst,
cast,
downCastConst,
downCast,
new,
newWithPhase,
angleDelta,
buttons,
globalPos,
globalPosF,
globalX,
globalY,
phase,
pixelDelta,
pos,
posF,
x,
y,
) where
import qualified Foreign.Hoppy.Runtime as QtahFHR
import qualified Graphics.UI.Qtah.Event as QtahEvent
import Graphics.UI.Qtah.Generated.Gui.QWheelEvent
import qualified Graphics.UI.Qtah.SceneEvent as QtahSceneEvent
import Prelude (($), (==))
import qualified Prelude as QtahP
castConst = toQWheelEventConst
cast = toQWheelEvent
downCastConst = downToQWheelEventConst
downCast = downToQWheelEvent
instance QtahEvent.Event QWheelEvent where
onEvent receiver' handler' = QtahEvent.onAnyEvent receiver' $ \_ qevent' ->
let event' = downCast qevent'
in if event' == QtahFHR.nullptr then QtahP.return QtahP.False else handler' event'
instance QtahSceneEvent.SceneEvent QWheelEvent where
onSceneEvent receiver' handler' = QtahSceneEvent.onAnySceneEvent receiver' $ \_ qevent' ->
let event' = downCast qevent'
in if event' == QtahFHR.nullptr then QtahP.return QtahP.False else handler' event'