gtk-0.14.6: Binding to the Gtk+ graphical user interface library.

Maintainergtk2hs-users@lists.sourceforge.net
Stabilityprovisional
Portabilityportable (depends on GHC)
Safe HaskellNone
LanguageHaskell98

Graphics.UI.Gtk.Abstract.Object

Contents

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

class GObjectClass o => ObjectClass o #

Instances

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

Methods

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

Weak references

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

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

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

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

Detach a weak destroy callback function

Signals

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

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 ()) #

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.