gi-pango-1.0.16: Pango bindings

CopyrightWill Thompson Iñaki García Etxebarria and Jonas Platte
LicenseLGPL-2.1
MaintainerIñaki García Etxebarria (garetxe@gmail.com)
Safe HaskellNone
LanguageHaskell2010

GI.Pango.Callbacks

Contents

Description

 

Synopsis

Signals

AttrClassDestroyFieldCallback

type AttrClassDestroyFieldCallback = Attribute -> IO () Source #

No description available in the introspection data.

type C_AttrClassDestroyFieldCallback = Ptr Attribute -> IO () Source #

Type for the callback on the (unwrapped) C side.

dynamic_AttrClassDestroyFieldCallback :: (HasCallStack, MonadIO m) => FunPtr C_AttrClassDestroyFieldCallback -> Attribute -> m () Source #

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_AttrClassDestroyFieldCallback :: AttrClassDestroyFieldCallback -> IO Closure Source #

Wrap the callback into a Closure.

mk_AttrClassDestroyFieldCallback :: C_AttrClassDestroyFieldCallback -> IO (FunPtr C_AttrClassDestroyFieldCallback) Source #

Generate a function pointer callable from C code, from a C_AttrClassDestroyFieldCallback.

noAttrClassDestroyFieldCallback :: Maybe AttrClassDestroyFieldCallback Source #

A convenience synonym for Nothing :: Maybe AttrClassDestroyFieldCallback.

wrap_AttrClassDestroyFieldCallback :: Maybe (Ptr (FunPtr C_AttrClassDestroyFieldCallback)) -> AttrClassDestroyFieldCallback -> C_AttrClassDestroyFieldCallback Source #

Wrap a AttrClassDestroyFieldCallback into a C_AttrClassDestroyFieldCallback.

AttrClassEqualFieldCallback

type AttrClassEqualFieldCallback = Attribute -> Attribute -> IO Bool Source #

No description available in the introspection data.

type C_AttrClassEqualFieldCallback = Ptr Attribute -> Ptr Attribute -> IO CInt Source #

Type for the callback on the (unwrapped) C side.

dynamic_AttrClassEqualFieldCallback :: (HasCallStack, MonadIO m) => FunPtr C_AttrClassEqualFieldCallback -> Attribute -> Attribute -> m Bool Source #

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_AttrClassEqualFieldCallback :: AttrClassEqualFieldCallback -> IO Closure Source #

Wrap the callback into a Closure.

mk_AttrClassEqualFieldCallback :: C_AttrClassEqualFieldCallback -> IO (FunPtr C_AttrClassEqualFieldCallback) Source #

Generate a function pointer callable from C code, from a C_AttrClassEqualFieldCallback.

noAttrClassEqualFieldCallback :: Maybe AttrClassEqualFieldCallback Source #

A convenience synonym for Nothing :: Maybe AttrClassEqualFieldCallback.

wrap_AttrClassEqualFieldCallback :: Maybe (Ptr (FunPtr C_AttrClassEqualFieldCallback)) -> AttrClassEqualFieldCallback -> C_AttrClassEqualFieldCallback Source #

Wrap a AttrClassEqualFieldCallback into a C_AttrClassEqualFieldCallback.

AttrDataCopyFunc

type AttrDataCopyFunc Source #

Arguments

 = IO (Ptr ())

Returns: new copy of userData.

Type of a function that can duplicate user data for an attribute.

type AttrDataCopyFunc_WithClosures Source #

Arguments

 = Ptr ()

userData: user data to copy

-> IO (Ptr ())

Returns: new copy of userData.

Type of a function that can duplicate user data for an attribute.

type C_AttrDataCopyFunc = Ptr () -> IO (Ptr ()) Source #

Type for the callback on the (unwrapped) C side.

drop_closures_AttrDataCopyFunc :: AttrDataCopyFunc -> AttrDataCopyFunc_WithClosures Source #

A simple wrapper that ignores the closure arguments.

dynamic_AttrDataCopyFunc Source #

Arguments

:: (HasCallStack, MonadIO m) 
=> FunPtr C_AttrDataCopyFunc 
-> Ptr ()

userData: user data to copy

-> m (Ptr ())

Returns: new copy of userData.

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_AttrDataCopyFunc :: AttrDataCopyFunc -> IO Closure Source #

Wrap the callback into a Closure.

mk_AttrDataCopyFunc :: C_AttrDataCopyFunc -> IO (FunPtr C_AttrDataCopyFunc) Source #

Generate a function pointer callable from C code, from a C_AttrDataCopyFunc.

noAttrDataCopyFunc :: Maybe AttrDataCopyFunc Source #

A convenience synonym for Nothing :: Maybe AttrDataCopyFunc.

noAttrDataCopyFunc_WithClosures :: Maybe AttrDataCopyFunc_WithClosures Source #

A convenience synonym for Nothing :: Maybe AttrDataCopyFunc_WithClosures.

wrap_AttrDataCopyFunc :: Maybe (Ptr (FunPtr C_AttrDataCopyFunc)) -> AttrDataCopyFunc_WithClosures -> C_AttrDataCopyFunc Source #

Wrap a AttrDataCopyFunc into a C_AttrDataCopyFunc.

AttrFilterFunc

type AttrFilterFunc Source #

Arguments

 = Attribute

attribute: a Pango attribute

-> IO Bool

Returns: True if the attribute should be selected for filtering, False otherwise.

Type of a function filtering a list of attributes.

type AttrFilterFunc_WithClosures Source #

Arguments

 = Attribute

attribute: a Pango attribute

-> Ptr ()

userData: user data passed to the function

-> IO Bool

Returns: True if the attribute should be selected for filtering, False otherwise.

Type of a function filtering a list of attributes.

type C_AttrFilterFunc = Ptr Attribute -> Ptr () -> IO CInt Source #

Type for the callback on the (unwrapped) C side.

drop_closures_AttrFilterFunc :: AttrFilterFunc -> AttrFilterFunc_WithClosures Source #

A simple wrapper that ignores the closure arguments.

dynamic_AttrFilterFunc Source #

Arguments

:: (HasCallStack, MonadIO m) 
=> FunPtr C_AttrFilterFunc 
-> Attribute

attribute: a Pango attribute

-> Ptr ()

userData: user data passed to the function

-> m Bool

Returns: True if the attribute should be selected for filtering, False otherwise.

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_AttrFilterFunc :: AttrFilterFunc -> IO Closure Source #

Wrap the callback into a Closure.

mk_AttrFilterFunc :: C_AttrFilterFunc -> IO (FunPtr C_AttrFilterFunc) Source #

Generate a function pointer callable from C code, from a C_AttrFilterFunc.

noAttrFilterFunc :: Maybe AttrFilterFunc Source #

A convenience synonym for Nothing :: Maybe AttrFilterFunc.

noAttrFilterFunc_WithClosures :: Maybe AttrFilterFunc_WithClosures Source #

A convenience synonym for Nothing :: Maybe AttrFilterFunc_WithClosures.

wrap_AttrFilterFunc :: Maybe (Ptr (FunPtr C_AttrFilterFunc)) -> AttrFilterFunc_WithClosures -> C_AttrFilterFunc Source #

Wrap a AttrFilterFunc into a C_AttrFilterFunc.

FontsetForeachFunc

type C_FontsetForeachFunc = Ptr Fontset -> Ptr Font -> Ptr () -> IO CInt Source #

Type for the callback on the (unwrapped) C side.

type FontsetForeachFunc Source #

Arguments

 = Fontset

fontset: a Fontset

-> Font

font: a font from fontset

-> IO Bool

Returns: if True, stop iteration and return immediately.

A callback function used by fontsetForeach when enumerating the fonts in a fontset.

Since: 1.4

type FontsetForeachFunc_WithClosures Source #

Arguments

 = Fontset

fontset: a Fontset

-> Font

font: a font from fontset

-> Ptr ()

userData: callback data

-> IO Bool

Returns: if True, stop iteration and return immediately.

A callback function used by fontsetForeach when enumerating the fonts in a fontset.

Since: 1.4

drop_closures_FontsetForeachFunc :: FontsetForeachFunc -> FontsetForeachFunc_WithClosures Source #

A simple wrapper that ignores the closure arguments.

dynamic_FontsetForeachFunc Source #

Arguments

:: (HasCallStack, MonadIO m, IsFontset a, IsFont b) 
=> FunPtr C_FontsetForeachFunc 
-> a

fontset: a Fontset

-> b

font: a font from fontset

-> Ptr ()

userData: callback data

-> m Bool

Returns: if True, stop iteration and return immediately.

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_FontsetForeachFunc :: FontsetForeachFunc -> IO Closure Source #

Wrap the callback into a Closure.

mk_FontsetForeachFunc :: C_FontsetForeachFunc -> IO (FunPtr C_FontsetForeachFunc) Source #

Generate a function pointer callable from C code, from a C_FontsetForeachFunc.

noFontsetForeachFunc :: Maybe FontsetForeachFunc Source #

A convenience synonym for Nothing :: Maybe FontsetForeachFunc.

noFontsetForeachFunc_WithClosures :: Maybe FontsetForeachFunc_WithClosures Source #

A convenience synonym for Nothing :: Maybe FontsetForeachFunc_WithClosures.

wrap_FontsetForeachFunc :: Maybe (Ptr (FunPtr C_FontsetForeachFunc)) -> FontsetForeachFunc_WithClosures -> C_FontsetForeachFunc Source #

Wrap a FontsetForeachFunc into a C_FontsetForeachFunc.

IncludedModuleExitFieldCallback

type C_IncludedModuleExitFieldCallback = IO () Source #

Type for the callback on the (unwrapped) C side.

type IncludedModuleExitFieldCallback = IO () Source #

No description available in the introspection data.

dynamic_IncludedModuleExitFieldCallback :: (HasCallStack, MonadIO m) => FunPtr C_IncludedModuleExitFieldCallback -> m () Source #

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_IncludedModuleExitFieldCallback :: IncludedModuleExitFieldCallback -> IO Closure Source #

Wrap the callback into a Closure.

mk_IncludedModuleExitFieldCallback :: C_IncludedModuleExitFieldCallback -> IO (FunPtr C_IncludedModuleExitFieldCallback) Source #

Generate a function pointer callable from C code, from a C_IncludedModuleExitFieldCallback.

noIncludedModuleExitFieldCallback :: Maybe IncludedModuleExitFieldCallback Source #

A convenience synonym for Nothing :: Maybe IncludedModuleExitFieldCallback.

wrap_IncludedModuleExitFieldCallback :: Maybe (Ptr (FunPtr C_IncludedModuleExitFieldCallback)) -> IncludedModuleExitFieldCallback -> C_IncludedModuleExitFieldCallback Source #

Wrap a IncludedModuleExitFieldCallback into a C_IncludedModuleExitFieldCallback.

IncludedModuleInitFieldCallback

type C_IncludedModuleInitFieldCallback = Ptr TypeModule -> IO () Source #

Type for the callback on the (unwrapped) C side.

type IncludedModuleInitFieldCallback = TypeModule -> IO () Source #

No description available in the introspection data.

dynamic_IncludedModuleInitFieldCallback :: (HasCallStack, MonadIO m, IsTypeModule a) => FunPtr C_IncludedModuleInitFieldCallback -> a -> m () Source #

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_IncludedModuleInitFieldCallback :: IncludedModuleInitFieldCallback -> IO Closure Source #

Wrap the callback into a Closure.

mk_IncludedModuleInitFieldCallback :: C_IncludedModuleInitFieldCallback -> IO (FunPtr C_IncludedModuleInitFieldCallback) Source #

Generate a function pointer callable from C code, from a C_IncludedModuleInitFieldCallback.

noIncludedModuleInitFieldCallback :: Maybe IncludedModuleInitFieldCallback Source #

A convenience synonym for Nothing :: Maybe IncludedModuleInitFieldCallback.

wrap_IncludedModuleInitFieldCallback :: Maybe (Ptr (FunPtr C_IncludedModuleInitFieldCallback)) -> IncludedModuleInitFieldCallback -> C_IncludedModuleInitFieldCallback Source #

Wrap a IncludedModuleInitFieldCallback into a C_IncludedModuleInitFieldCallback.

IncludedModuleListFieldCallback

type C_IncludedModuleListFieldCallback = Ptr EngineInfo -> Int32 -> IO () Source #

Type for the callback on the (unwrapped) C side.

type IncludedModuleListFieldCallback = EngineInfo -> Int32 -> IO () Source #

No description available in the introspection data.

dynamic_IncludedModuleListFieldCallback :: (HasCallStack, MonadIO m) => FunPtr C_IncludedModuleListFieldCallback -> EngineInfo -> Int32 -> m () Source #

Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

genClosure_IncludedModuleListFieldCallback :: IncludedModuleListFieldCallback -> IO Closure Source #

Wrap the callback into a Closure.

mk_IncludedModuleListFieldCallback :: C_IncludedModuleListFieldCallback -> IO (FunPtr C_IncludedModuleListFieldCallback) Source #

Generate a function pointer callable from C code, from a C_IncludedModuleListFieldCallback.

noIncludedModuleListFieldCallback :: Maybe IncludedModuleListFieldCallback Source #

A convenience synonym for Nothing :: Maybe IncludedModuleListFieldCallback.

wrap_IncludedModuleListFieldCallback :: Maybe (Ptr (FunPtr C_IncludedModuleListFieldCallback)) -> IncludedModuleListFieldCallback -> C_IncludedModuleListFieldCallback Source #

Wrap a IncludedModuleListFieldCallback into a C_IncludedModuleListFieldCallback.