Safe Haskell | Safe |
---|---|
Language | Haskell2010 |
SDL.Power
Contents
Synopsis
- getPowerInfo :: (Functor m, MonadIO m) => m PowerState
- data PowerState
- data BatteryState
- data Charge = Charge {
- chargeSecondsLeft :: Maybe CInt
- chargePercent :: Maybe CInt
Power Status
getPowerInfo :: (Functor m, MonadIO m) => m PowerState Source #
Current power supply details.
Throws SDLException
if the current power state can not be determined.
See SDL_GetPowerInfo
for C documentation.
data PowerState Source #
Information about the power supply for the user's environment
Constructors
Battery BatteryState Charge | The user is on a battery powered device. See |
Mains | The user is on a device connected to the mains. |
UnknownPowerState | SDL could not determine the power for the device. |
Instances
Eq PowerState Source # | |
Defined in SDL.Power | |
Ord PowerState Source # | |
Defined in SDL.Power Methods compare :: PowerState -> PowerState -> Ordering (<) :: PowerState -> PowerState -> Bool (<=) :: PowerState -> PowerState -> Bool (>) :: PowerState -> PowerState -> Bool (>=) :: PowerState -> PowerState -> Bool max :: PowerState -> PowerState -> PowerState min :: PowerState -> PowerState -> PowerState | |
Read PowerState Source # | |
Defined in SDL.Power Methods readsPrec :: Int -> ReadS PowerState readList :: ReadS [PowerState] readPrec :: ReadPrec PowerState readListPrec :: ReadPrec [PowerState] | |
Show PowerState Source # | |
Defined in SDL.Power Methods showsPrec :: Int -> PowerState -> ShowS show :: PowerState -> String showList :: [PowerState] -> ShowS | |
Generic PowerState Source # | |
Defined in SDL.Power Associated Types type Rep PowerState :: Type -> Type | |
type Rep PowerState Source # | |
Defined in SDL.Power type Rep PowerState = D1 ('MetaData "PowerState" "SDL.Power" "sdl2-2.5.2.0-6hjaY12qIyxIiDeeSUdpRn" 'False) (C1 ('MetaCons "Battery" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 BatteryState) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Charge)) :+: (C1 ('MetaCons "Mains" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "UnknownPowerState" 'PrefixI 'False) (U1 :: Type -> Type))) |
data BatteryState Source #
Information on battery consumption for battery powered devices
Constructors
Draining | The battery is currently being drained. |
Charged | The battery is fully charged. |
Charging | The device is plugged in and the battery is charging. |
Instances
Bounded BatteryState Source # | |
Defined in SDL.Power | |
Enum BatteryState Source # | |
Defined in SDL.Power Methods succ :: BatteryState -> BatteryState pred :: BatteryState -> BatteryState toEnum :: Int -> BatteryState fromEnum :: BatteryState -> Int enumFrom :: BatteryState -> [BatteryState] enumFromThen :: BatteryState -> BatteryState -> [BatteryState] enumFromTo :: BatteryState -> BatteryState -> [BatteryState] enumFromThenTo :: BatteryState -> BatteryState -> BatteryState -> [BatteryState] | |
Eq BatteryState Source # | |
Defined in SDL.Power | |
Data BatteryState Source # | |
Defined in SDL.Power Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> BatteryState -> c BatteryState gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c BatteryState toConstr :: BatteryState -> Constr dataTypeOf :: BatteryState -> DataType dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c BatteryState) dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c BatteryState) gmapT :: (forall b. Data b => b -> b) -> BatteryState -> BatteryState gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> BatteryState -> r gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> BatteryState -> r gmapQ :: (forall d. Data d => d -> u) -> BatteryState -> [u] gmapQi :: Int -> (forall d. Data d => d -> u) -> BatteryState -> u gmapM :: Monad m => (forall d. Data d => d -> m d) -> BatteryState -> m BatteryState gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> BatteryState -> m BatteryState gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> BatteryState -> m BatteryState | |
Ord BatteryState Source # | |
Defined in SDL.Power Methods compare :: BatteryState -> BatteryState -> Ordering (<) :: BatteryState -> BatteryState -> Bool (<=) :: BatteryState -> BatteryState -> Bool (>) :: BatteryState -> BatteryState -> Bool (>=) :: BatteryState -> BatteryState -> Bool max :: BatteryState -> BatteryState -> BatteryState min :: BatteryState -> BatteryState -> BatteryState | |
Read BatteryState Source # | |
Defined in SDL.Power Methods readsPrec :: Int -> ReadS BatteryState readList :: ReadS [BatteryState] readPrec :: ReadPrec BatteryState readListPrec :: ReadPrec [BatteryState] | |
Show BatteryState Source # | |
Defined in SDL.Power Methods showsPrec :: Int -> BatteryState -> ShowS show :: BatteryState -> String showList :: [BatteryState] -> ShowS | |
Generic BatteryState Source # | |
Defined in SDL.Power Associated Types type Rep BatteryState :: Type -> Type | |
type Rep BatteryState Source # | |
Defined in SDL.Power type Rep BatteryState = D1 ('MetaData "BatteryState" "SDL.Power" "sdl2-2.5.2.0-6hjaY12qIyxIiDeeSUdpRn" 'False) (C1 ('MetaCons "Draining" 'PrefixI 'False) (U1 :: Type -> Type) :+: (C1 ('MetaCons "Charged" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "Charging" 'PrefixI 'False) (U1 :: Type -> Type))) |
Information about how much charge a battery has.
Constructors
Charge | |
Fields
|
Instances
Eq Charge Source # | |
Ord Charge Source # | |
Read Charge Source # | |
Show Charge Source # | |
Generic Charge Source # | |
type Rep Charge Source # | |
Defined in SDL.Power type Rep Charge = D1 ('MetaData "Charge" "SDL.Power" "sdl2-2.5.2.0-6hjaY12qIyxIiDeeSUdpRn" 'False) (C1 ('MetaCons "Charge" 'PrefixI 'True) (S1 ('MetaSel ('Just "chargeSecondsLeft") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Maybe CInt)) :*: S1 ('MetaSel ('Just "chargePercent") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Maybe CInt)))) |