Maintainer	gtk2hs-users@lists.sourceforge.net
Stability	provisional
Portability	portable (depends on GHC)
Safe Haskell	None
Language	Haskell98

Graphics.UI.Gtk.Abstract.Object

Contents

Detail
Class Hierarchy
Types
Methods
Weak references
Signals

Description

The base class of the Gtk+ type hierarchy.

Each widget is a represented as a purely abstract data type. It can only be accessed through and the special access functions that are defined in each widget file.

Synopsis

Detail

Object is the base class for all widgets, and for a few non-widget objects such as Adjustment. Object predates GObject; non-widgets that derive from Object rather than GObject do so for backward compatibility reasons.

Object has been removed in Gt3k, but this module still provides useful functions.

Class Hierarchy

| GObject
| +----Object
| +----Widget
| +----Adjustment
| +----CellRenderer
| +----FileFilter
| +----ItemFactory
| +----Tooltips
| +----TreeViewColumn

Types

data Object Source

Instances

Eq Object Source
Ord Object Source
GObjectClass Object Source
ObjectClass Object Source

class GObjectClass o => ObjectClass o Source

Instances

ObjectClass Builder Source
ObjectClass FileFilter Source
ObjectClass CellRendererProgress Source
ObjectClass CellRendererToggle Source
ObjectClass CellRendererCombo Source
ObjectClass CellRendererSpin Source
ObjectClass CellRendererAccel Source
ObjectClass CellRendererText Source
ObjectClass CellRendererPixbuf Source
ObjectClass CellRendererSpinner Source
ObjectClass CellRenderer Source
ObjectClass TreeViewColumn Source
ObjectClass Tooltips Source
ObjectClass IMContextSimple Source
ObjectClass IMMulticontext Source
ObjectClass IMContext Source
ObjectClass Adjustment Source
ObjectClass ProgressBar Source
ObjectClass Invisible Source
ObjectClass VSeparator Source
ObjectClass HSeparator Source
ObjectClass Separator Source
ObjectClass VScrollbar Source
ObjectClass HScrollbar Source
ObjectClass Scrollbar Source
ObjectClass VScale Source
ObjectClass HScale Source
ObjectClass Scale Source
ObjectClass Range Source
ObjectClass VRuler Source
ObjectClass HRuler Source
ObjectClass Ruler Source
ObjectClass SpinButton Source
ObjectClass Entry Source
ObjectClass Spinner Source
ObjectClass DrawingArea Source
ObjectClass CellView Source
ObjectClass Calendar Source
ObjectClass TreeView Source
ObjectClass Toolbar Source
ObjectClass TextView Source
ObjectClass Table Source
ObjectClass Notebook Source
ObjectClass MenuBar Source
ObjectClass RecentChooserMenu Source
ObjectClass Menu Source
ObjectClass MenuShell Source
ObjectClass Layout Source
ObjectClass IconView Source
ObjectClass VPaned Source
ObjectClass HPaned Source
ObjectClass Paned Source
ObjectClass Fixed Source
ObjectClass Statusbar Source
ObjectClass FileChooserButton Source
ObjectClass Combo Source
ObjectClass InfoBar Source
ObjectClass HBox Source
ObjectClass FileChooserWidget Source
ObjectClass FontSelection Source
ObjectClass ColorSelection Source
ObjectClass RecentChooserWidget Source
ObjectClass VBox Source
ObjectClass VButtonBox Source
ObjectClass HButtonBox Source
ObjectClass ButtonBox Source
ObjectClass Box Source
ObjectClass SeparatorToolItem Source
ObjectClass RadioToolButton Source
ObjectClass ToggleToolButton Source
ObjectClass MenuToolButton Source
ObjectClass ToolButton Source
ObjectClass ToolItem Source
ObjectClass ComboBoxEntry Source
ObjectClass ComboBox Source
ObjectClass Expander Source
ObjectClass Viewport Source
ObjectClass ScrolledWindow Source
ObjectClass HandleBox Source
ObjectClass EventBox Source
ObjectClass MessageDialog Source
ObjectClass FontSelectionDialog Source
ObjectClass FileChooserDialog Source
ObjectClass FileSelection Source
ObjectClass ColorSelectionDialog Source
ObjectClass AboutDialog Source
ObjectClass Dialog Source
ObjectClass OffscreenWindow Source
ObjectClass Assistant Source
ObjectClass Window Source
ObjectClass SeparatorMenuItem Source
ObjectClass ImageMenuItem Source
ObjectClass TearoffMenuItem Source
ObjectClass RadioMenuItem Source
ObjectClass CheckMenuItem Source
ObjectClass MenuItem Source
ObjectClass OptionMenu Source
ObjectClass FontButton Source
ObjectClass ColorButton Source
ObjectClass RadioButton Source
ObjectClass CheckButton Source
ObjectClass ToggleButton Source
ObjectClass LinkButton Source
ObjectClass VolumeButton Source
ObjectClass ScaleButton Source
ObjectClass Button Source
ObjectClass AspectFrame Source
ObjectClass Frame Source
ObjectClass Alignment Source
ObjectClass Bin Source
ObjectClass ToolItemGroup Source
ObjectClass ToolPalette Source
ObjectClass Container Source
ObjectClass Image Source
ObjectClass Arrow Source
ObjectClass AccelLabel Source
ObjectClass Label Source
ObjectClass Misc Source
ObjectClass HSV Source
ObjectClass Widget Source
ObjectClass RecentFilter Source
ObjectClass Object Source
ObjectClass Plug Source
ObjectClass Socket Source

castToObject :: GObjectClass obj => obj -> Object Source

gTypeObject :: GType Source

toObject :: ObjectClass o => o -> Object Source

Methods

makeNewObject :: ObjectClass obj => (ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj Source

Weak references

type GWeakNotify = FunPtr (Ptr () -> Ptr GObject -> IO ()) Source

objectWeakref :: ObjectClass o => o -> IO () -> IO GWeakNotify Source

Attach a callback that will be called after the destroy hooks have been called

objectWeakunref :: ObjectClass o => o -> GWeakNotify -> IO () Source

Detach a weak destroy callback function

Signals

objectDestroy :: ObjectClass self => Signal self (IO ()) Source

Signals that all holders of a reference to the Object should release the reference that they hold. May result in finalization of the object if all references are released.

notifyProperty :: ObjectClass self => ReadWriteAttr self a b -> Signal self (IO ()) Source

Register a notify callback that is triggered when the given property has been modified.

Note that this callback is triggered even if the actual value of the property has not changed.
Not all attributes are properties. A warning will be generated at runtime if the passed-in attribute is not a property of the class with which it was registered.