factor/basis/ui/gadgets/presentations/presentations.factor

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Factor

! Copyright (C) 2005, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays accessors definitions hashtables io kernel sequences
strings words math models namespaces quotations ui.gadgets
ui.gadgets.borders ui.gadgets.buttons ui.gadgets.buttons.private
ui.gadgets.labels ui.gadgets.menus ui.gadgets.worlds
ui.gadgets.status-bar ui.commands ui.operations ui.gestures ;
IN: ui.gadgets.presentations
TUPLE: presentation < button object hook ;
: invoke-presentation ( presentation command -- )
[ [ dup hook>> call( presentation -- ) ] [ object>> ] bi ] dip
invoke-command ;
: invoke-primary ( presentation -- )
dup object>> primary-operation
invoke-presentation ;
: invoke-secondary ( presentation -- )
dup object>> secondary-operation
invoke-presentation ;
: show-mouse-help ( presentation -- )
[ [ object>> ] keep show-summary ] [ button-update ] bi ;
: <presentation> ( label object -- button )
[ [ invoke-primary ] presentation new-button ] dip
>>object
[ drop ] >>hook
roll-button-theme ;
M: presentation ungraft*
dup hand-gadget get-global child? [ dup hide-status ] when
call-next-method ;
: show-presentation-menu ( presentation -- )
[ ] [ object>> ] [ dup hook>> curry ] tri
show-operations-menu ;
presentation H{
{ T{ button-down f f 3 } [ show-presentation-menu ] }
{ mouse-leave [ [ hide-status ] [ button-update ] bi ] }
{ mouse-enter [ show-mouse-help ] }
! Responding to motion too allows nested presentations to
! display status help properly, when the mouse leaves a
! nested presentation and is still inside the parent, the
! parent doesn't receive a mouse-enter
{ motion [ show-mouse-help ] }
} set-gestures