factor/examples/gadget-test.factor

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Factor

! TrueType font rendering demo.
!
! To run this code, bootstrap Factor like so:
!
! ./f boot.image.le32
! -libraries:sdl:name=libSDL.so
! -libraries:sdl-gfx:name=libSDL_gfx.so
! -libraries:sdl-ttf:name=libSDL_ttf.so
!
! (But all on one line)
!
! Then, start Factor as usual (./f factor.image) and enter this
! at the listener:
!
! "examples/text-demo.factor" run-file
IN: text-demo
USE: streams
USE: sdl
USE: sdl-event
USE: sdl-gfx
USE: sdl-video
USE: sdl-ttf
USE: namespaces
USE: math
USE: kernel
USE: test
USE: compiler
USE: strings
USE: alien
USE: prettyprint
USE: lists
USE: gadgets
USE: generic
USE: stdio
USE: prettyprint
USE: words
: grab ( gadget hand -- )
[ swap screen-pos swap screen-pos - >rect ] 2keep
>r [ move-gadget ] keep r> add-gadget ;
: release ( gadget world -- )
>r dup screen-pos >r
dup unparent
r> >rect pick move-gadget
r> add-gadget ;
: moving-actions
{{
[[ [ button-down 1 ] [ my-hand grab ] ]]
[[ [ button-up 1 ] [ world get release ] ]]
}} swap set-gadget-gestures ;
: filled? "filled" get checkbox-selected? ;
: <funny-rect>
filled? [ <plain-rect> ] [ <hollow-rect> ] ifte <gadget> dup moving-actions ;
: <funny-ellipse>
filled? [ <plain-ellipse> ] [ <hollow-ellipse> ] ifte <gadget> dup moving-actions ;
: <funny-line>
<line> <gadget> dup moving-actions ;
: make-shapes ( -- )
f world get set-gadget-children
100 20 0 0 <rectangle> <pile> "pile" set
0 0 0 0 <rectangle> <shelf> "shelf" set
"Close" [ "dialog" get world get remove-gadget ] <button> "shelf" get add-gadget
"New Rectangle" [ drop 100 100 100 100 <funny-rect> dup [ 255 255 0 ] background set-paint-property world get add-gadget ] <button> "shelf" get add-gadget
"New Ellipse" [ drop 100 100 200 100 <funny-ellipse> dup [ 0 255 0 ] background set-paint-property world get add-gadget ] <button> "shelf" get add-gadget
"New Line" [ drop 100 100 200 100 <funny-line> dup [ 255 0 0 ] background set-paint-property world get add-gadget ] <button> "shelf" get add-gadget
"Filled?" <checkbox> dup "filled" set "shelf" get add-gadget
"shelf" get "pile" get add-gadget
"Welcome to Factor " version cat2 <label> "pile" get add-gadget
"A field." <field> "pile" get add-gadget
"Another field." <field> "pile" get add-gadget
"pile" get bevel-border dup "dialog" set dup
moving-actions
world get add-gadget ;
: gadget-demo ( -- )
make-shapes
start-world ;
gadget-demo