factor/extra/ui/gadgets/presentations/presentations.factor

56 lines
1.9 KiB
Factor

! Copyright (C) 2005, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays definitions ui.gadgets ui.gadgets.borders
ui.gadgets.buttons ui.gadgets.labels ui.gadgets.menus
ui.gadgets.worlds hashtables io kernel prettyprint sequences
strings io.styles words help math models namespaces quotations
ui.commands ui.operations ui.gestures ;
IN: ui.gadgets.presentations
TUPLE: presentation object hook ;
: invoke-presentation ( presentation command -- )
over dup presentation-hook call
>r presentation-object r> invoke-command ;
: invoke-primary ( presentation -- )
dup presentation-object primary-operation
invoke-presentation ;
: invoke-secondary ( presentation -- )
dup presentation-object secondary-operation
invoke-presentation ;
: show-mouse-help ( presentation -- )
dup presentation-object over show-summary button-update ;
: <presentation> ( label object -- button )
presentation new
[ drop ] over set-presentation-hook
[ set-presentation-object ] keep
swap [ invoke-primary ] <roll-button>
over set-gadget-delegate ;
M: presentation ungraft*
dup hand-gadget get-global child? [ dup hide-status ] when
delegate ungraft* ;
: <operations-menu> ( presentation -- menu )
dup dup presentation-hook curry
swap presentation-object
dup object-operations <commands-menu> ;
: operations-menu ( presentation -- )
dup <operations-menu> swap show-menu ;
presentation H{
{ T{ button-down f f 3 } [ operations-menu ] }
{ T{ mouse-leave } [ dup hide-status button-update ] }
{ T{ 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
{ T{ motion } [ show-mouse-help ] }
} set-gestures