factor/library/ui/buttons.factor

82 lines
2.6 KiB
Factor

! Copyright (C) 2005 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: gadgets-buttons
USING: gadgets gadgets-borders gadgets-layouts gadgets-theme
generic io kernel lists math namespaces sequences sequences
styles threads ;
TUPLE: button rollover? pressed? ;
: button-down? ( -- ? ) hand get hand-buttons empty? not ;
: mouse-over? ( gadget -- ? ) hand get hand-gadget child? ;
: mouse-clicked? ( gadget -- ? ) hand get hand-clicked child? ;
: button-update ( button -- )
dup mouse-over? over set-button-rollover?
dup button-rollover? button-down? and
over mouse-clicked? and over set-button-pressed?
relayout-1 ;
: button-clicked ( button -- )
#! If the mouse is released while still inside the button,
#! fire an action gesture.
dup button-update dup button-rollover?
[ [ action ] swap handle-gesture ] when drop ;
: button-action ( action -- quot )
[ [ swap handle-gesture drop ] cons ] [ [ drop ] ] if* ;
: button-gestures ( button quot -- )
dupd [ action ] set-action
dup [ button-clicked ] [ button-up ] set-action
dup [ button-update ] [ button-down ] set-action
dup [ button-update ] [ mouse-leave ] set-action
[ button-update ] [ mouse-enter ] set-action ;
C: button ( gadget quot -- button )
rot <default-border> over set-gadget-delegate
[ swap button-gestures ] keep ;
: <highlight-button> ( gadget quot -- button )
<button> { 0 0 0 } over set-border-size ;
: <roll-button> ( gadget quot -- button )
<highlight-button> dup roll-button-theme ;
: <bevel-button> ( gadget quot -- button )
<button> dup bevel-button-theme ;
: repeat-button-down ( button -- )
dup 100 add-timer button-clicked ;
: repeat-button-up ( button -- )
dup button-update remove-timer ;
: repeat-actions ( button -- )
dup [ repeat-button-down ] [ button-down ] set-action
[ repeat-button-up ] [ button-up ] set-action ;
: <repeat-button> ( gadget quot -- button )
#! Button that calls the quotation every 100ms as long as
#! the mouse is held down.
<bevel-button> dup repeat-actions ;
M: button tick ( ms object -- ) nip button-clicked ;
TUPLE: button-paint plain rollover pressed ;
: button-paint ( button paint -- button paint )
{
{ [ over button-pressed? ] [ button-paint-pressed ] }
{ [ over button-rollover? ] [ button-paint-rollover ] }
{ [ t ] [ button-paint-plain ] }
} cond ;
M: button-paint draw-interior ( button paint -- )
button-paint draw-interior ;
M: button-paint draw-boundary ( button paint -- )
button-paint draw-boundary ;