| Copyright | Will Thompson Iñaki García Etxebarria and Jonas Platte |
|---|---|
| License | LGPL-2.1 |
| Maintainer | Iñaki García Etxebarria |
| Safe Haskell | None |
| Language | Haskell2010 |
GI.Gtk.Interfaces.ConstraintTarget
Description
The GtkConstraintTarget interface is implemented by objects that
can be used as source or target in GtkConstraints. Besides
Widget, it is also implemented by ConstraintGuide.
Synopsis
- newtype ConstraintTarget = ConstraintTarget (ManagedPtr ConstraintTarget)
- class (GObject o, IsDescendantOf ConstraintTarget o) => IsConstraintTarget o
- toConstraintTarget :: (MonadIO m, IsConstraintTarget o) => o -> m ConstraintTarget
Exported types
newtype ConstraintTarget Source #
Memory-managed wrapper type.
Constructors
| ConstraintTarget (ManagedPtr ConstraintTarget) |
Instances
| Eq ConstraintTarget Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget Methods (==) :: ConstraintTarget -> ConstraintTarget -> Bool # (/=) :: ConstraintTarget -> ConstraintTarget -> Bool # | |
| IsGValue ConstraintTarget Source # | Convert |
Defined in GI.Gtk.Interfaces.ConstraintTarget | |
| ManagedPtrNewtype ConstraintTarget Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget Methods toManagedPtr :: ConstraintTarget -> ManagedPtr ConstraintTarget # | |
| TypedObject ConstraintTarget Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget | |
| GObject ConstraintTarget Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget | |
| HasParentTypes ConstraintTarget Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget | |
| type ParentTypes ConstraintTarget Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget | |
class (GObject o, IsDescendantOf ConstraintTarget o) => IsConstraintTarget o Source #
Type class for types which can be safely cast to ConstraintTarget, for instance with toConstraintTarget.
Instances
| (GObject o, IsDescendantOf ConstraintTarget o) => IsConstraintTarget o Source # | |
Defined in GI.Gtk.Interfaces.ConstraintTarget | |
toConstraintTarget :: (MonadIO m, IsConstraintTarget o) => o -> m ConstraintTarget Source #
Cast to ConstraintTarget, for types for which this is known to be safe. For general casts, use castTo.