GI.Gtk.Interfaces.StyleProvider

GtkStyleProvider is an interface used to provide style information to a StyleContext. See styleContextAddProvider and styleContextAddProviderForScreen.

Exported types

newtype StyleProvider

Memory-managed wrapper type.

Constructors

StyleProvider (ManagedPtr StyleProvider)

Instances

WrappedPtr StyleProvider

Defined in GI.Gtk.Interfaces.StyleProvider

Methods

wrappedPtrCalloc :: IO (Ptr StyleProvider)

wrappedPtrCopy :: StyleProvider -> IO StyleProvider

wrappedPtrFree :: Maybe (GDestroyNotify StyleProvider)

noStyleProvider :: Maybe StyleProvider

A convenience alias for Nothing :: Maybe StyleProvider.

class (ManagedPtrNewtype o, IsDescendantOf StyleProvider o) => IsStyleProvider o

Type class for types which implement StyleProvider.

Instances

(ManagedPtrNewtype o, IsDescendantOf StyleProvider o) => IsStyleProvider o

Defined in GI.Gtk.Interfaces.StyleProvider

Methods

getIconFactory

styleProviderGetIconFactory

Arguments

:: (HasCallStack, MonadIO m, IsStyleProvider a)

=> a

provider: a StyleProvider

-> WidgetPath

path: WidgetPath to query

-> m (Maybe IconFactory)

Returns: The icon factory to use for path, or Nothing

Deprecated: (Since version 3.8)Will always return Nothing for all GTK-provided style providers.

Returns the IconFactory defined to be in use for path, or Nothing if none is defined.

Since: 3.0

getStyle

styleProviderGetStyle

Arguments

:: (HasCallStack, MonadIO m, IsStyleProvider a)

=> a

provider: a StyleProvider

-> WidgetPath

path: WidgetPath to query

-> m (Maybe StyleProperties)

Returns: a StyleProperties containing the style settings affecting path

Deprecated: (Since version 3.8)Will always return Nothing for all GTK-provided style providers as the interface cannot correctly work the way CSS is specified.

Returns the style settings affecting a widget defined by path, or Nothing if provider doesn’t contemplate styling path.

Since: 3.0

getStyleProperty

styleProviderGetStyleProperty

Arguments

:: (HasCallStack, MonadIO m, IsStyleProvider a)

=> a

provider: a StyleProvider

-> WidgetPath

path: WidgetPath to query

-> [StateFlags]

state: state to query the style property for

-> GParamSpec

pspec: The ParamSpec to query

-> m (Bool, GValue)

Returns: True if the property was found and has a value, False otherwise

Looks up a widget style property as defined by provider for the widget represented by path.

Since: 3.0