GI.Pango.Callbacks

Signals

AttrClassDestroyFieldCallback

type AttrClassDestroyFieldCallback = Attribute -> IO ()

type C_AttrClassDestroyFieldCallback = Ptr Attribute -> IO ()

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

genClosure_AttrClassDestroyFieldCallback :: AttrClassDestroyFieldCallback -> IO Closure

mk_AttrClassDestroyFieldCallback :: C_AttrClassDestroyFieldCallback -> IO (FunPtr C_AttrClassDestroyFieldCallback)

noAttrClassDestroyFieldCallback :: Maybe AttrClassDestroyFieldCallback

wrap_AttrClassDestroyFieldCallback :: Maybe (Ptr (FunPtr C_AttrClassDestroyFieldCallback)) -> AttrClassDestroyFieldCallback -> Ptr Attribute -> IO ()

AttrClassEqualFieldCallback

type AttrClassEqualFieldCallback = Attribute -> Attribute -> IO Bool

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

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

genClosure_AttrClassEqualFieldCallback :: AttrClassEqualFieldCallback -> IO Closure

mk_AttrClassEqualFieldCallback :: C_AttrClassEqualFieldCallback -> IO (FunPtr C_AttrClassEqualFieldCallback)

noAttrClassEqualFieldCallback :: Maybe AttrClassEqualFieldCallback

wrap_AttrClassEqualFieldCallback :: Maybe (Ptr (FunPtr C_AttrClassEqualFieldCallback)) -> AttrClassEqualFieldCallback -> Ptr Attribute -> Ptr Attribute -> IO CInt

AttrDataCopyFunc

type AttrDataCopyFunc = IO (Ptr ())

type AttrDataCopyFunc_WithClosures = Ptr () -> IO (Ptr ())

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

drop_closures_AttrDataCopyFunc :: AttrDataCopyFunc -> AttrDataCopyFunc_WithClosures

dynamic_AttrDataCopyFunc

Arguments

:: (HasCallStack, MonadIO m)

=> FunPtr C_AttrDataCopyFunc

-> Ptr ()

userData: user data to copy

-> m (Ptr ())

Returns: new copy of userData.

genClosure_AttrDataCopyFunc :: AttrDataCopyFunc -> IO Closure

mk_AttrDataCopyFunc :: C_AttrDataCopyFunc -> IO (FunPtr C_AttrDataCopyFunc)

noAttrDataCopyFunc :: Maybe AttrDataCopyFunc

noAttrDataCopyFunc_WithClosures :: Maybe AttrDataCopyFunc_WithClosures

wrap_AttrDataCopyFunc :: Maybe (Ptr (FunPtr C_AttrDataCopyFunc)) -> AttrDataCopyFunc_WithClosures -> Ptr () -> IO (Ptr ())

AttrFilterFunc

type AttrFilterFunc = Attribute -> IO Bool

type AttrFilterFunc_WithClosures = Attribute -> Ptr () -> IO Bool

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

drop_closures_AttrFilterFunc :: AttrFilterFunc -> AttrFilterFunc_WithClosures

dynamic_AttrFilterFunc

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.

genClosure_AttrFilterFunc :: AttrFilterFunc -> IO Closure

mk_AttrFilterFunc :: C_AttrFilterFunc -> IO (FunPtr C_AttrFilterFunc)

noAttrFilterFunc :: Maybe AttrFilterFunc

noAttrFilterFunc_WithClosures :: Maybe AttrFilterFunc_WithClosures

wrap_AttrFilterFunc :: Maybe (Ptr (FunPtr C_AttrFilterFunc)) -> AttrFilterFunc_WithClosures -> Ptr Attribute -> Ptr () -> IO CInt

FontsetForeachFunc

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

type FontsetForeachFunc = Fontset -> Font -> IO Bool

type FontsetForeachFunc_WithClosures = Fontset -> Font -> Ptr () -> IO Bool

drop_closures_FontsetForeachFunc :: FontsetForeachFunc -> FontsetForeachFunc_WithClosures

dynamic_FontsetForeachFunc

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.

genClosure_FontsetForeachFunc :: FontsetForeachFunc -> IO Closure

mk_FontsetForeachFunc :: C_FontsetForeachFunc -> IO (FunPtr C_FontsetForeachFunc)

noFontsetForeachFunc :: Maybe FontsetForeachFunc

noFontsetForeachFunc_WithClosures :: Maybe FontsetForeachFunc_WithClosures

wrap_FontsetForeachFunc :: Maybe (Ptr (FunPtr C_FontsetForeachFunc)) -> FontsetForeachFunc_WithClosures -> Ptr Fontset -> Ptr Font -> Ptr () -> IO CInt

IncludedModuleExitFieldCallback

type C_IncludedModuleExitFieldCallback = IO ()

type IncludedModuleExitFieldCallback = IO ()

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

genClosure_IncludedModuleExitFieldCallback :: IncludedModuleExitFieldCallback -> IO Closure

mk_IncludedModuleExitFieldCallback :: C_IncludedModuleExitFieldCallback -> IO (FunPtr C_IncludedModuleExitFieldCallback)

noIncludedModuleExitFieldCallback :: Maybe IncludedModuleExitFieldCallback

wrap_IncludedModuleExitFieldCallback :: Maybe (Ptr (FunPtr C_IncludedModuleExitFieldCallback)) -> IncludedModuleExitFieldCallback -> IO ()

IncludedModuleInitFieldCallback

type C_IncludedModuleInitFieldCallback = Ptr TypeModule -> IO ()

type IncludedModuleInitFieldCallback = TypeModule -> IO ()

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

genClosure_IncludedModuleInitFieldCallback :: IncludedModuleInitFieldCallback -> IO Closure

mk_IncludedModuleInitFieldCallback :: C_IncludedModuleInitFieldCallback -> IO (FunPtr C_IncludedModuleInitFieldCallback)

noIncludedModuleInitFieldCallback :: Maybe IncludedModuleInitFieldCallback

wrap_IncludedModuleInitFieldCallback :: Maybe (Ptr (FunPtr C_IncludedModuleInitFieldCallback)) -> IncludedModuleInitFieldCallback -> Ptr TypeModule -> IO ()

IncludedModuleListFieldCallback

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

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

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

genClosure_IncludedModuleListFieldCallback :: IncludedModuleListFieldCallback -> IO Closure

mk_IncludedModuleListFieldCallback :: C_IncludedModuleListFieldCallback -> IO (FunPtr C_IncludedModuleListFieldCallback)

noIncludedModuleListFieldCallback :: Maybe IncludedModuleListFieldCallback

wrap_IncludedModuleListFieldCallback :: Maybe (Ptr (FunPtr C_IncludedModuleListFieldCallback)) -> IncludedModuleListFieldCallback -> Ptr EngineInfo -> Int32 -> IO ()