presentation
Factor handbook » UI framework » Building user interfaces » Pre-made UI gadgets » Presentation gadgets

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<presentation> ( label object -- button )

Vocabulary
ui.gadgets.presentations

Class description
A presentation is a button which represents an object. Left-clicking a presentation invokes the default operation, and right-clicking displays a menu of possible operations output by object-operations.

Presentations are created by calling <presentation>.

Presentations have two slots:

•	object - the object being presented.
•	hook - a quotation with stack effect ( presentation -- ). The default value is [ drop ].

Definition

USING: ui.gadgets.buttons ;

IN: ui.gadgets.presentations

TUPLE: presentation < button object hook ;

Methods

USING: generic kernel namespaces ui.gadgets
ui.gadgets.presentations ui.gadgets.worlds ui.gestures ;

M: presentation ungraft*
    dup hand-gadget get-global child? [ dup hide-status ] when
    M\ presentation ungraft* (call-next-method) ;