X11-1.10.3: A binding to the X11 graphics library

Copyright | (c) Haskell.org 2012 (c) Jochen Keil 2012
License | BSD3
Maintainer | Ben Boeckel <mathstuf@gmail.com> , Jochen Keil <jochen dot keil at gmail dot com>
Stability | provisional
Portability | portable
Safe Haskell | Safe-Inferred
Language | Haskell98

Graphics.X11.Xrandr

Description

Synopsis

- data XRRScreenSize = XRRScreenSize {
  - xrr_ss_width :: !CInt
  - xrr_ss_height :: !CInt
  - xrr_ss_mwidth :: !CInt
  - xrr_ss_mheight :: !CInt
  }
- data XRRModeInfo = XRRModeInfo {
  - xrr_mi_id :: !RRMode
  - xrr_mi_width :: !CUInt
  - xrr_mi_height :: !CUInt
  - xrr_mi_dotClock :: !CUInt
  - xrr_mi_hSyncStart :: !CUInt
  - xrr_mi_hSyncEnd :: !CUInt
  - xrr_mi_hTotal :: !CUInt
  - xrr_mi_hSkew :: !CUInt
  - xrr_mi_vSyncStart :: !CUInt
  - xrr_mi_vSyncEnd :: !CUInt
  - xrr_mi_vTotal :: !CUInt
  - xrr_mi_name :: !String
  - xrr_mi_modeFlags :: !XRRModeFlags
  }
- data XRRScreenResources = XRRScreenResources {
  - xrr_sr_timestamp :: !Time
  - xrr_sr_configTimestamp :: !Time
  - xrr_sr_crtcs :: [RRCrtc]
  - xrr_sr_outputs :: [RROutput]
  - xrr_sr_modes :: [XRRModeInfo]
  }
- data XRROutputInfo = XRROutputInfo {
  - xrr_oi_timestamp :: !Time
  - xrr_oi_crtc :: !RRCrtc
  - xrr_oi_name :: !String
  - xrr_oi_mm_width :: !CULong
  - xrr_oi_mm_height :: !CULong
  - xrr_oi_connection :: !Connection
  - xrr_oi_subpixel_order :: !SubpixelOrder
  - xrr_oi_crtcs :: [RRCrtc]
  - xrr_oi_clones :: [RROutput]
  - xrr_oi_npreferred :: !CInt
  - xrr_oi_modes :: [RRMode]
  }
- data XRRCrtcInfo = XRRCrtcInfo {
  - xrr_ci_timestamp :: !Time
  - xrr_ci_x :: !CInt
  - xrr_ci_y :: !CInt
  - xrr_ci_width :: !CUInt
  - xrr_ci_height :: !CUInt
  - xrr_ci_mode :: !RRMode
  - xrr_ci_rotation :: !Rotation
  - xrr_ci_outputs :: [RROutput]
  - xrr_ci_rotations :: !Rotation
  - xrr_ci_possible :: [RROutput]
  }
- data XRRPropertyInfo = XRRPropertyInfo {
  - xrr_pi_pending :: !Bool
  - xrr_pi_range :: !Bool
  - xrr_pi_immutable :: !Bool
  - xrr_pi_values :: [CLong]
  }
- data XRRMonitorInfo = XRRMonitorInfo {
  - xrr_moninf_name :: !Atom
  - xrr_moninf_primary :: !Bool
  - xrr_moninf_automatic :: !Bool
  - xrr_moninf_x :: !CInt
  - xrr_moninf_y :: !CInt
  - xrr_moninf_width :: !CInt
  - xrr_moninf_height :: !CInt
  - xrr_moninf_mwidth :: !CInt
  - xrr_moninf_mheight :: !CInt
  - xrr_moninf_outputs :: [RROutput]
  }
- compiledWithXrandr :: Bool
- type Rotation = Word16
- type Reflection = Word16
- type SizeID = Word16
- data XRRScreenConfiguration
- xrrQueryExtension :: Display -> IO (Maybe (CInt, CInt))
- xrrQueryVersion :: Display -> IO (Maybe (CInt, CInt))
- xrrGetScreenInfo :: Display -> Drawable -> IO (Maybe XRRScreenConfiguration)
- xrrFreeScreenConfigInfo :: XRRScreenConfiguration -> IO ()
- xrrSetScreenConfig :: Display -> XRRScreenConfiguration -> Drawable -> CInt -> Rotation -> Time -> IO Status
- xrrSetScreenConfigAndRate :: Display -> XRRScreenConfiguration -> Drawable -> CInt -> Rotation -> CShort -> Time -> IO Status
- xrrConfigRotations :: XRRScreenConfiguration -> IO (Rotation, Rotation)
- xrrConfigTimes :: XRRScreenConfiguration -> IO (Time, Time)
- xrrConfigSizes :: XRRScreenConfiguration -> IO (Maybe [XRRScreenSize])
- xrrConfigRates :: XRRScreenConfiguration -> CInt -> IO (Maybe [CShort])
- xrrConfigCurrentConfiguration :: XRRScreenConfiguration -> IO (Rotation, SizeID)
- xrrConfigCurrentRate :: XRRScreenConfiguration -> IO CShort
- xrrRootToScreen :: Display -> Window -> IO CInt
- xrrSelectInput :: Display -> Window -> EventMask -> IO ()
- xrrUpdateConfiguration :: XEventPtr -> IO CInt
- xrrRotations :: Display -> CInt -> IO (Rotation, Rotation)
- xrrSizes :: Display -> CInt -> IO (Maybe [XRRScreenSize])
- xrrRates :: Display -> CInt -> CInt -> IO (Maybe [CShort])
- xrrTimes :: Display -> CInt -> IO (Time, Time)
- xrrGetScreenResources :: Display -> Window -> IO (Maybe XRRScreenResources)
- xrrGetOutputInfo :: Display -> XRRScreenResources -> RROutput -> IO (Maybe XRROutputInfo)
- xrrGetCrtcInfo :: Display -> XRRScreenResources -> RRCrtc -> IO (Maybe XRRCrtcInfo)
- xrrGetScreenResourcesCurrent :: Display -> Window -> IO (Maybe XRRScreenResources)
- xrrSetOutputPrimary :: Display -> Window -> RROutput -> IO ()
- xrrGetOutputPrimary :: Display -> Window -> IO RROutput
- xrrListOutputProperties :: Display -> RROutput -> IO (Maybe [Atom])
- xrrQueryOutputProperty :: Display -> RROutput -> Atom -> IO (Maybe XRRPropertyInfo)
- xrrConfigureOutputProperty :: Display -> RROutput -> Atom -> Bool -> Bool -> [CLong] -> IO ()
- xrrChangeOutputProperty :: Display -> RROutput -> Atom -> Atom -> CInt -> CInt -> [Word32] -> IO ()
- xrrGetOutputProperty :: Display -> RROutput -> Atom -> CLong -> CLong -> Bool -> Bool -> Atom -> IO (Maybe (Atom, Int, CULong, [Word32]))
- xrrDeleteOutputProperty :: Display -> RROutput -> Atom -> IO ()
- xrrGetMonitors :: Display -> Drawable -> Bool -> IO (Maybe [XRRMonitorInfo])

# Documentation

data XRRScreenSize #

Representation of the XRRScreenSize struct

Constructors

XRRScreenSize |
Fields xrr_ss_width :: !CInt xrr_ss_height :: !CInt xrr_ss_mwidth :: !CInt xrr_ss_mheight :: !CInt

#### Instances

Instances details

Storable XRRScreenSize # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRRScreenSize -> Int alignment :: XRRScreenSize -> Int peekElemOff :: Ptr XRRScreenSize -> Int -> IO XRRScreenSize pokeElemOff :: Ptr XRRScreenSize -> Int -> XRRScreenSize -> IO () peekByteOff :: Ptr b -> Int -> IO XRRScreenSize pokeByteOff :: Ptr b -> Int -> XRRScreenSize -> IO () peek :: Ptr XRRScreenSize -> IO XRRScreenSize poke :: Ptr XRRScreenSize -> XRRScreenSize -> IO ()
Show XRRScreenSize # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRScreenSize -> ShowS show :: XRRScreenSize -> String showList :: [XRRScreenSize] -> ShowS

data XRRModeInfo #

Representation of the XRRModeInfo struct

Constructors

XRRModeInfo |
Fields xrr_mi_id :: !RRMode xrr_mi_width :: !CUInt xrr_mi_height :: !CUInt xrr_mi_dotClock :: !CUInt xrr_mi_hSyncStart :: !CUInt xrr_mi_hSyncEnd :: !CUInt xrr_mi_hTotal :: !CUInt xrr_mi_hSkew :: !CUInt xrr_mi_vSyncStart :: !CUInt xrr_mi_vSyncEnd :: !CUInt xrr_mi_vTotal :: !CUInt xrr_mi_name :: !String xrr_mi_modeFlags :: !XRRModeFlags

#### Instances

Instances details

Storable XRRModeInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRRModeInfo -> Int alignment :: XRRModeInfo -> Int peekElemOff :: Ptr XRRModeInfo -> Int -> IO XRRModeInfo pokeElemOff :: Ptr XRRModeInfo -> Int -> XRRModeInfo -> IO () peekByteOff :: Ptr b -> Int -> IO XRRModeInfo pokeByteOff :: Ptr b -> Int -> XRRModeInfo -> IO () peek :: Ptr XRRModeInfo -> IO XRRModeInfo poke :: Ptr XRRModeInfo -> XRRModeInfo -> IO ()
Show XRRModeInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRModeInfo -> ShowS show :: XRRModeInfo -> String showList :: [XRRModeInfo] -> ShowS
Eq XRRModeInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRRModeInfo -> XRRModeInfo -> Bool (/=) :: XRRModeInfo -> XRRModeInfo -> Bool

data XRRScreenResources #

Representation of the XRRScreenResources struct

Constructors

XRRScreenResources |
Fields xrr_sr_timestamp :: !Time xrr_sr_configTimestamp :: !Time xrr_sr_crtcs :: [RRCrtc] xrr_sr_outputs :: [RROutput] xrr_sr_modes :: [XRRModeInfo]

#### Instances

Instances details

Storable XRRScreenResources # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRRScreenResources -> Int alignment :: XRRScreenResources -> Int peekElemOff :: Ptr XRRScreenResources -> Int -> IO XRRScreenResources pokeElemOff :: Ptr XRRScreenResources -> Int -> XRRScreenResources -> IO () peekByteOff :: Ptr b -> Int -> IO XRRScreenResources pokeByteOff :: Ptr b -> Int -> XRRScreenResources -> IO () peek :: Ptr XRRScreenResources -> IO XRRScreenResources poke :: Ptr XRRScreenResources -> XRRScreenResources -> IO ()
Show XRRScreenResources # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRScreenResources -> ShowS show :: XRRScreenResources -> String showList :: [XRRScreenResources] -> ShowS
Eq XRRScreenResources # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRRScreenResources -> XRRScreenResources -> Bool (/=) :: XRRScreenResources -> XRRScreenResources -> Bool

data XRROutputInfo #

Representation of the XRROutputInfo struct

Constructors

XRROutputInfo |
Fields xrr_oi_timestamp :: !Time xrr_oi_crtc :: !RRCrtc xrr_oi_name :: !String xrr_oi_mm_width :: !CULong xrr_oi_mm_height :: !CULong xrr_oi_connection :: !Connection xrr_oi_subpixel_order :: !SubpixelOrder xrr_oi_crtcs :: [RRCrtc] xrr_oi_clones :: [RROutput] xrr_oi_npreferred :: !CInt xrr_oi_modes :: [RRMode]

#### Instances

Instances details

Storable XRROutputInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRROutputInfo -> Int alignment :: XRROutputInfo -> Int peekElemOff :: Ptr XRROutputInfo -> Int -> IO XRROutputInfo pokeElemOff :: Ptr XRROutputInfo -> Int -> XRROutputInfo -> IO () peekByteOff :: Ptr b -> Int -> IO XRROutputInfo pokeByteOff :: Ptr b -> Int -> XRROutputInfo -> IO () peek :: Ptr XRROutputInfo -> IO XRROutputInfo poke :: Ptr XRROutputInfo -> XRROutputInfo -> IO ()
Show XRROutputInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRROutputInfo -> ShowS show :: XRROutputInfo -> String showList :: [XRROutputInfo] -> ShowS
Eq XRROutputInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRROutputInfo -> XRROutputInfo -> Bool (/=) :: XRROutputInfo -> XRROutputInfo -> Bool

data XRRCrtcInfo #

Representation of the XRRCrtcInfo struct

Constructors

XRRCrtcInfo |
Fields xrr_ci_timestamp :: !Time xrr_ci_x :: !CInt xrr_ci_y :: !CInt xrr_ci_width :: !CUInt xrr_ci_height :: !CUInt xrr_ci_mode :: !RRMode xrr_ci_rotation :: !Rotation xrr_ci_outputs :: [RROutput] xrr_ci_rotations :: !Rotation xrr_ci_possible :: [RROutput]

#### Instances

Instances details

Storable XRRCrtcInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRRCrtcInfo -> Int alignment :: XRRCrtcInfo -> Int peekElemOff :: Ptr XRRCrtcInfo -> Int -> IO XRRCrtcInfo pokeElemOff :: Ptr XRRCrtcInfo -> Int -> XRRCrtcInfo -> IO () peekByteOff :: Ptr b -> Int -> IO XRRCrtcInfo pokeByteOff :: Ptr b -> Int -> XRRCrtcInfo -> IO () peek :: Ptr XRRCrtcInfo -> IO XRRCrtcInfo poke :: Ptr XRRCrtcInfo -> XRRCrtcInfo -> IO ()
Show XRRCrtcInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRCrtcInfo -> ShowS show :: XRRCrtcInfo -> String showList :: [XRRCrtcInfo] -> ShowS
Eq XRRCrtcInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRRCrtcInfo -> XRRCrtcInfo -> Bool (/=) :: XRRCrtcInfo -> XRRCrtcInfo -> Bool

data XRRPropertyInfo #

Representation of the XRRPropertyInfo struct

Constructors

XRRPropertyInfo |
Fields xrr_pi_pending :: !Bool xrr_pi_range :: !Bool xrr_pi_immutable :: !Bool xrr_pi_values :: [CLong]

#### Instances

Instances details

Storable XRRPropertyInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRRPropertyInfo -> Int alignment :: XRRPropertyInfo -> Int peekElemOff :: Ptr XRRPropertyInfo -> Int -> IO XRRPropertyInfo pokeElemOff :: Ptr XRRPropertyInfo -> Int -> XRRPropertyInfo -> IO () peekByteOff :: Ptr b -> Int -> IO XRRPropertyInfo pokeByteOff :: Ptr b -> Int -> XRRPropertyInfo -> IO () peek :: Ptr XRRPropertyInfo -> IO XRRPropertyInfo poke :: Ptr XRRPropertyInfo -> XRRPropertyInfo -> IO ()
Show XRRPropertyInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRPropertyInfo -> ShowS show :: XRRPropertyInfo -> String showList :: [XRRPropertyInfo] -> ShowS
Eq XRRPropertyInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRRPropertyInfo -> XRRPropertyInfo -> Bool (/=) :: XRRPropertyInfo -> XRRPropertyInfo -> Bool

data XRRMonitorInfo #

Representation of the XRRMonitorInfo struct

Constructors

XRRMonitorInfo |
Fields xrr_moninf_name :: !Atom xrr_moninf_primary :: !Bool xrr_moninf_automatic :: !Bool xrr_moninf_x :: !CInt xrr_moninf_y :: !CInt xrr_moninf_width :: !CInt xrr_moninf_height :: !CInt xrr_moninf_mwidth :: !CInt xrr_moninf_mheight :: !CInt xrr_moninf_outputs :: [RROutput]

#### Instances

Instances details

Storable XRRMonitorInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods sizeOf :: XRRMonitorInfo -> Int alignment :: XRRMonitorInfo -> Int peekElemOff :: Ptr XRRMonitorInfo -> Int -> IO XRRMonitorInfo pokeElemOff :: Ptr XRRMonitorInfo -> Int -> XRRMonitorInfo -> IO () peekByteOff :: Ptr b -> Int -> IO XRRMonitorInfo pokeByteOff :: Ptr b -> Int -> XRRMonitorInfo -> IO () peek :: Ptr XRRMonitorInfo -> IO XRRMonitorInfo poke :: Ptr XRRMonitorInfo -> XRRMonitorInfo -> IO ()
Show XRRMonitorInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRMonitorInfo -> ShowS show :: XRRMonitorInfo -> String showList :: [XRRMonitorInfo] -> ShowS
Eq XRRMonitorInfo # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRRMonitorInfo -> XRRMonitorInfo -> Bool (/=) :: XRRMonitorInfo -> XRRMonitorInfo -> Bool

compiledWithXrandr :: Bool #

type Rotation = Word16 #

type Reflection = Word16 #

type SizeID = Word16 #

data XRRScreenConfiguration #

#### Instances

Instances details

Data XRRScreenConfiguration # |
Instance details Defined in Graphics.X11.Xrandr Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> XRRScreenConfiguration -> c XRRScreenConfiguration gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c XRRScreenConfiguration toConstr :: XRRScreenConfiguration -> Constr dataTypeOf :: XRRScreenConfiguration -> DataType dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c XRRScreenConfiguration) dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c XRRScreenConfiguration) gmapT :: (forall b. Data b => b -> b) -> XRRScreenConfiguration -> XRRScreenConfiguration gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> XRRScreenConfiguration -> r gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> XRRScreenConfiguration -> r gmapQ :: (forall d. Data d => d -> u) -> XRRScreenConfiguration -> [u] gmapQi :: Int -> (forall d. Data d => d -> u) -> XRRScreenConfiguration -> u gmapM :: Monad m => (forall d. Data d => d -> m d) -> XRRScreenConfiguration -> m XRRScreenConfiguration gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> XRRScreenConfiguration -> m XRRScreenConfiguration gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> XRRScreenConfiguration -> m XRRScreenConfiguration
Show XRRScreenConfiguration # |
Instance details Defined in Graphics.X11.Xrandr Methods showsPrec :: Int -> XRRScreenConfiguration -> ShowS show :: XRRScreenConfiguration -> String showList :: [XRRScreenConfiguration] -> ShowS
Eq XRRScreenConfiguration # |
Instance details Defined in Graphics.X11.Xrandr Methods (==) :: XRRScreenConfiguration -> XRRScreenConfiguration -> Bool (/=) :: XRRScreenConfiguration -> XRRScreenConfiguration -> Bool
Ord XRRScreenConfiguration # |
Instance details Defined in Graphics.X11.Xrandr Methods compare :: XRRScreenConfiguration -> XRRScreenConfiguration -> Ordering (<) :: XRRScreenConfiguration -> XRRScreenConfiguration -> Bool (<=) :: XRRScreenConfiguration -> XRRScreenConfiguration -> Bool (>) :: XRRScreenConfiguration -> XRRScreenConfiguration -> Bool (>=) :: XRRScreenConfiguration -> XRRScreenConfiguration -> Bool max :: XRRScreenConfiguration -> XRRScreenConfiguration -> XRRScreenConfiguration min :: XRRScreenConfiguration -> XRRScreenConfiguration -> XRRScreenConfiguration

xrrQueryExtension :: Display -> IO (Maybe (CInt, CInt)) #

xrrQueryVersion :: Display -> IO (Maybe (CInt, CInt)) #

xrrGetScreenInfo :: Display -> Drawable -> IO (Maybe XRRScreenConfiguration) #

xrrFreeScreenConfigInfo :: XRRScreenConfiguration -> IO () #

xrrSetScreenConfig :: Display -> XRRScreenConfiguration -> Drawable -> CInt -> Rotation -> Time -> IO Status #

xrrSetScreenConfigAndRate :: Display -> XRRScreenConfiguration -> Drawable -> CInt -> Rotation -> CShort -> Time -> IO Status #

xrrConfigRotations :: XRRScreenConfiguration -> IO (Rotation, Rotation) #

xrrConfigTimes :: XRRScreenConfiguration -> IO (Time, Time) #

xrrConfigSizes :: XRRScreenConfiguration -> IO (Maybe [XRRScreenSize]) #

xrrConfigRates :: XRRScreenConfiguration -> CInt -> IO (Maybe [CShort]) #

xrrConfigCurrentConfiguration :: XRRScreenConfiguration -> IO (Rotation, SizeID) #

xrrConfigCurrentRate :: XRRScreenConfiguration -> IO CShort #

xrrRootToScreen :: Display -> Window -> IO CInt #

xrrSelectInput :: Display -> Window -> EventMask -> IO () #

xrrUpdateConfiguration :: XEventPtr -> IO CInt #

xrrRotations :: Display -> CInt -> IO (Rotation, Rotation) #

xrrSizes :: Display -> CInt -> IO (Maybe [XRRScreenSize]) #

xrrRates :: Display -> CInt -> CInt -> IO (Maybe [CShort]) #

xrrTimes :: Display -> CInt -> IO (Time, Time) #

xrrGetScreenResources :: Display -> Window -> IO (Maybe XRRScreenResources) #

xrrGetOutputInfo :: Display -> XRRScreenResources -> RROutput -> IO (Maybe XRROutputInfo) #

xrrGetCrtcInfo :: Display -> XRRScreenResources -> RRCrtc -> IO (Maybe XRRCrtcInfo) #

xrrGetScreenResourcesCurrent :: Display -> Window -> IO (Maybe XRRScreenResources) #

xrrSetOutputPrimary :: Display -> Window -> RROutput -> IO () #

xrrGetOutputPrimary :: Display -> Window -> IO RROutput #

xrrListOutputProperties :: Display -> RROutput -> IO (Maybe [Atom]) #

xrrQueryOutputProperty :: Display -> RROutput -> Atom -> IO (Maybe XRRPropertyInfo) #

xrrConfigureOutputProperty :: Display -> RROutput -> Atom -> Bool -> Bool -> [CLong] -> IO () #

xrrChangeOutputProperty :: Display -> RROutput -> Atom -> Atom -> CInt -> CInt -> [Word32] -> IO () #

xrrGetOutputProperty :: Display -> RROutput -> Atom -> CLong -> CLong -> Bool -> Bool -> Atom -> IO (Maybe (Atom, Int, CULong, [Word32])) #

`xrrGetOutputProperty display output property offset length delete pending propertyType` | returns `Maybe (actualType, format, bytesAfter, data)`.

xrrDeleteOutputProperty :: Display -> RROutput -> Atom -> IO () #

xrrGetMonitors :: Display -> Drawable -> Bool -> IO (Maybe [XRRMonitorInfo]) #