X11-1.9: A binding to the X11 graphics library

Copyright(c) Alastair Reid 1999-2003
LicenseBSD-style (see the file libraries/base/LICENSE)
Maintainerlibraries@haskell.org
Stabilityprovisional
Portabilityportable
Safe HaskellNone
LanguageHaskell98

Graphics.X11.Xlib

Contents

Description

A collection of FFI declarations for interfacing with Xlib.

The library aims to provide a direct translation of the X binding into Haskell so the most important documentation you should read is The Xlib Programming Manual, available online at http://tronche.com/gui/x/xlib/. Let me say that again because it is very important. Get hold of this documentation and read it: it tells you almost everything you need to know to use this library.

Synopsis

Conventions

In translating the library, we had to change names to conform with Haskell's lexical syntax: function names and names of constants must start with a lowercase letter; type names must start with an uppercase letter. The case of the remaining letters is unchanged.

In addition, we chose to take advantage of Haskell's module system to allow us to drop common prefixes (X, XA_, etc.) attached to X11 identifiers.

We named enumeration types so that function types would be easier to understand. For example, we added Status, WindowClass, etc. Note that the types are synonyms for Int so no extra typesafety was obtained.

We consistently raise exceptions when a function returns an error code. In practice, this only affects the following functions because most Xlib functions do not return error codes: allocColor, allocNamedColor, fetchBuffer, fetchBytes, fontFromGC, getGeometry, getIconName, iconifyWindow, loadQueryFont, lookupColor, openDisplay, parseColor, queryBestCursor, queryBestSize, queryBestStipple, queryBestTile, rotateBuffers, selectInput, storeBuffer, storeBytes, withdrawWindow.

Types

newtype Display Source #

pointer to an X11 Display structure

Constructors

Display (Ptr Display) 
Instances
Eq Display Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Data Display Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Display -> c Display Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Display Source #

toConstr :: Display -> Constr Source #

dataTypeOf :: Display -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Display) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Display) Source #

gmapT :: (forall b. Data b => b -> b) -> Display -> Display Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Display -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Display -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Display -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Display -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Display -> m Display Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Display -> m Display Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Display -> m Display Source #

Ord Display Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Show Display Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Screen Source #

pointer to an X11 Screen structure

Instances
Eq Screen Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Data Screen Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Screen -> c Screen Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Screen Source #

toConstr :: Screen -> Constr Source #

dataTypeOf :: Screen -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Screen) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Screen) Source #

gmapT :: (forall b. Data b => b -> b) -> Screen -> Screen Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Screen -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Screen -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Screen -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Screen -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Screen -> m Screen Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Screen -> m Screen Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Screen -> m Screen Source #

Ord Screen Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Show Screen Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Visual Source #

pointer to an X11 Visual structure

Instances
Eq Visual Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Data Visual Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Visual -> c Visual Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Visual Source #

toConstr :: Visual -> Constr Source #

dataTypeOf :: Visual -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Visual) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Visual) Source #

gmapT :: (forall b. Data b => b -> b) -> Visual -> Visual Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Visual -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Visual -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Visual -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Visual -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Visual -> m Visual Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Visual -> m Visual Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Visual -> m Visual Source #

Ord Visual Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Show Visual Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data GC Source #

pointer to an X11 GC structure

Instances
Eq GC Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

(==) :: GC -> GC -> Bool Source #

(/=) :: GC -> GC -> Bool Source #

Data GC Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> GC -> c GC Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c GC Source #

toConstr :: GC -> Constr Source #

dataTypeOf :: GC -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c GC) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c GC) Source #

gmapT :: (forall b. Data b => b -> b) -> GC -> GC Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> GC -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> GC -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> GC -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> GC -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> GC -> m GC Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> GC -> m GC Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> GC -> m GC Source #

Ord GC Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

compare :: GC -> GC -> Ordering Source #

(<) :: GC -> GC -> Bool Source #

(<=) :: GC -> GC -> Bool Source #

(>) :: GC -> GC -> Bool Source #

(>=) :: GC -> GC -> Bool Source #

max :: GC -> GC -> GC Source #

min :: GC -> GC -> GC Source #

Show GC Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data SetWindowAttributes Source #

pointer to an X11 XSetWindowAttributes structure

Instances
Eq SetWindowAttributes Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Data SetWindowAttributes Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> SetWindowAttributes -> c SetWindowAttributes Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c SetWindowAttributes Source #

toConstr :: SetWindowAttributes -> Constr Source #

dataTypeOf :: SetWindowAttributes -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c SetWindowAttributes) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c SetWindowAttributes) Source #

gmapT :: (forall b. Data b => b -> b) -> SetWindowAttributes -> SetWindowAttributes Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> SetWindowAttributes -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> SetWindowAttributes -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> SetWindowAttributes -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> SetWindowAttributes -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> SetWindowAttributes -> m SetWindowAttributes Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> SetWindowAttributes -> m SetWindowAttributes Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> SetWindowAttributes -> m SetWindowAttributes Source #

Ord SetWindowAttributes Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Show SetWindowAttributes Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Point Source #

counterpart of an X11 XPoint structure

Constructors

Point 

Fields

Instances
Eq Point Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

(==) :: Point -> Point -> Bool Source #

(/=) :: Point -> Point -> Bool Source #

Data Point Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Point -> c Point Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Point Source #

toConstr :: Point -> Constr Source #

dataTypeOf :: Point -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Point) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Point) Source #

gmapT :: (forall b. Data b => b -> b) -> Point -> Point Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Point -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Point -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Point -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Point -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Point -> m Point Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Point -> m Point Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Point -> m Point Source #

Show Point Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Storable Point Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Rectangle Source #

counterpart of an X11 XRectangle structure

Instances
Eq Rectangle Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Data Rectangle Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Rectangle -> c Rectangle Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Rectangle Source #

toConstr :: Rectangle -> Constr Source #

dataTypeOf :: Rectangle -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Rectangle) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Rectangle) Source #

gmapT :: (forall b. Data b => b -> b) -> Rectangle -> Rectangle Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Rectangle -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Rectangle -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Rectangle -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Rectangle -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Rectangle -> m Rectangle Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Rectangle -> m Rectangle Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Rectangle -> m Rectangle Source #

Read Rectangle Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Show Rectangle Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Storable Rectangle Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Arc Source #

counterpart of an X11 XArc structure

Instances
Eq Arc Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

(==) :: Arc -> Arc -> Bool Source #

(/=) :: Arc -> Arc -> Bool Source #

Show Arc Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Storable Arc Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Segment Source #

counterpart of an X11 XSegment structure

Constructors

Segment 
Instances
Eq Segment Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Data Segment Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Segment -> c Segment Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Segment Source #

toConstr :: Segment -> Constr Source #

dataTypeOf :: Segment -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Segment) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Segment) Source #

gmapT :: (forall b. Data b => b -> b) -> Segment -> Segment Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Segment -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Segment -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Segment -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Segment -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Segment -> m Segment Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Segment -> m Segment Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Segment -> m Segment Source #

Show Segment Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Storable Segment Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

data Color Source #

counterpart of an X11 XColor structure

Instances
Eq Color Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

(==) :: Color -> Color -> Bool Source #

(/=) :: Color -> Color -> Bool Source #

Data Color Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Color -> c Color Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Color Source #

toConstr :: Color -> Constr Source #

dataTypeOf :: Color -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Color) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Color) Source #

gmapT :: (forall b. Data b => b -> b) -> Color -> Color Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Color -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Color -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Color -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Color -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Color -> m Color Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Color -> m Color Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Color -> m Color Source #

Show Color Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

Storable Color Source # 
Instance details

Defined in Graphics.X11.Xlib.Types

X11 library functions