factor/library/ui/buttons.factor

59 lines
1.6 KiB
Factor
Raw Normal View History

! Copyright (C) 2005 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: gadgets
USING: generic kernel lists math namespaces sdl ;
: button-pressed ( button -- )
dup f bevel-up? set-paint-property redraw ;
: button-released ( button -- )
dup t bevel-up? set-paint-property redraw ;
: mouse-over? ( gadget -- ? ) my-hand hand-gadget child? ;
: rollover-update ( button -- )
dup mouse-over? blue black ? foreground set-paint-property ;
: button-pressed? ( button -- ? )
dup mouse-over? [
my-hand hand-buttons 1 swap contains? [
my-hand hand-clicked child?
] [
drop f
] ifte
] [
drop f
] ifte ;
: bevel-update ( button -- )
dup button-pressed? not bevel-up? set-paint-property ;
: button-update ( button -- )
dup rollover-update dup bevel-update redraw ;
: button-clicked ( button -- )
#! If the mouse is released while still inside the button,
#! fire an action gesture.
dup button-update
dup mouse-over? [
[ action ] swap handle-gesture
] [
drop
] ifte ;
: button-actions ( button quot -- )
dupd [ action ] set-action
dup [ button-clicked ] [ button-up 1 ] set-action
dup [ button-update ] [ button-down 1 ] set-action
dup [ button-update ] [ mouse-leave ] set-action
2005-02-06 00:21:26 -05:00
[ button-update ] [ mouse-enter ] set-action ;
: <button> ( label quot -- button )
>r <label> bevel-border dup r> button-actions ;
: <check-box> ( label quot -- checkbox )
>r 0 0 0 0 <rectangle> <shelf>
[ >r <label> r> add-gadget ] keep
[ >r f bevel-border r> add-gadget ] keep dup
r> button-actions ;