factor/basis/ui/gadgets/menus/menus.factor

163 lines
4.0 KiB
Factor

! Copyright (C) 2005, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors combinators kernel locals math math.rectangles
math.vectors memoize models namespaces opengl sequences sorting
ui.commands ui.gadgets ui.gadgets.borders ui.gadgets.buttons
ui.gadgets.glass ui.gadgets.packs ui.gadgets.worlds
ui.gadgets.wrappers ui.gestures ui.operations ui.pens
ui.pens.solid ui.theme ;
FROM: ui.gadgets.wrappers => wrapper ;
IN: ui.gadgets.menus
<PRIVATE
: (show-menu) ( owner menu -- )
[ find-world ] dip hand-loc get-global point>rect show-glass ;
PRIVATE>
: show-menu ( owner menu -- )
[ (show-menu) ] keep request-focus ;
TUPLE: menu-button < button ;
<PRIVATE
: align-left ( menu-button -- menu-button )
{ 0 1/2 } >>align ; inline
MEMO: menu-button-pen-boundary ( -- pen )
f f roll-button-rollover-border <solid> dup dup <button-pen> ;
MEMO: menu-button-pen-interior ( -- pen )
f f roll-button-selected-background <solid> f over <button-pen> ;
: menu-button-theme ( menu-button -- menu-button )
menu-button-pen-boundary >>boundary
menu-button-pen-interior >>interior
align-left ; inline
: <menu-button> ( label quot -- menu-button )
menu-button new-button menu-button-theme ; inline
PRIVATE>
GENERIC: <menu-item> ( target hook command -- menu-item )
M:: object <menu-item> ( target hook command -- menu-item )
command command-name [
hook call
target command command-button-quot call
hide-glass
] <menu-button> ;
<PRIVATE
TUPLE: separator-pen color ;
C: <separator-pen> separator-pen
M: separator-pen draw-interior
color>> gl-color
dim>> [ { 0 0.5 } v* ] [ { 1 0.5 } v* ] bi
[ v>integer ] bi@ gl-line ;
: <menu-items> ( items -- gadget )
[ <filled-pile> ] dip add-gadgets ;
PRIVATE>
SINGLETON: ----
M: ---- <menu-item>
3drop
<gadget>
{ 0 5 } >>dim
menu-border-color <separator-pen> >>interior ;
TUPLE: menu < wrapper
items ;
<PRIVATE
: find-menu ( menu-button -- menu )
[ menu? ] find-parent ;
: activate-item ( menu-button -- )
dup find-menu set-control-value ;
: inactivate-item ( menu-button -- )
f swap find-menu set-control-value ;
: menu-buttons ( menu-items -- menu-buttons )
children>> [ menu-button? ] filter ;
:: prepare-menu ( menu items -- )
f <model> :> model
items menu-buttons :> buttons
buttons [ model add-connection ] each
menu model >>model buttons >>items drop ;
PRIVATE>
M: menu-button model-changed
swap value>> over = >>selected? relayout-1 ;
M: menu-button handle-gesture
[
{
{ [ over mouse-enter? ] [ nip activate-item ] }
{ [ over mouse-leave? ] [ nip inactivate-item ] }
[ 2drop ]
} cond
] 2keep call-next-method ;
<PRIVATE
:: next-item ( menu dir -- )
menu [ items>> ] [ control-value ] bi :> ( items curr )
curr [
items length :> max
curr items index :> indx
indx dir + max rem items nth
] [ items first ] if menu set-control-value ;
: activate-menu-item ( menu -- )
control-value [
dup quot>> ( button -- ) call-effect
] when* ;
PRIVATE>
menu H{
{ T{ key-down f f "ESC" } [ hide-glass ] }
{ T{ key-down f f "DOWN" } [ 1 next-item ] }
{ T{ key-down f f "UP" } [ -1 next-item ] }
{ T{ key-down f f "RET" } [ activate-menu-item ] }
} set-gestures
: <menu> ( gadgets -- menu )
<menu-items> [
{ 0 3 } >>gap
{ 5 5 } <filled-border>
menu-border-color <solid> >>boundary
menu-background <solid> >>interior
menu new-wrapper
] [ dupd prepare-menu ] bi ;
: <commands-menu> ( target hook commands -- menu )
[ <menu-item> ] 2with map <menu> ;
: show-commands-menu ( target commands -- )
[ dup [ ] ] dip <commands-menu> show-menu ;
: <operations-menu> ( target hook -- menu )
over object-operations
[ primary-operation? ] partition
[ reverse ] [ [ command-name ] sort-with ] bi*
{ ---- } glue <commands-menu> ;
: show-operations-menu ( gadget target hook -- )
<operations-menu> show-menu ;