factor/library/ui/dialogs.factor

53 lines
1.4 KiB
Factor

IN: gadgets
USING: generic kernel namespaces threads ;
TUPLE: dialog continuation ;
: dialog-action ( ok dialog -- )
dup unparent dialog-continuation call ;
: dialog-ok ( dialog -- )
t swap dialog-action ;
: dialog-cancel ( dialog -- )
f swap dialog-action ;
: <dialog-buttons> ( -- gadget )
<default-shelf>
"OK" f <button>
dup [ dialog-ok ] [ action ] link-action
over add-gadget
"Cancel" f <button>
dup [ dialog-cancel ] [ action ] link-action
over add-gadget ;
: dialog-actions ( dialog -- )
dup [ dialog-ok ] dup set-action
[ dialog-cancel ] dup set-action ;
C: dialog ( content -- gadget )
[ <empty-gadget> swap set-delegate ] keep
[
>r <default-pile>
[ add-gadget ] keep
[ <dialog-buttons> swap add-gadget ] keep
r> add-gadget
] keep
[ dialog-actions ] keep ;
: <prompt> ( prompt -- gadget )
0 default-gap 0 <pile>
[ >r <label> r> add-gadget ] keep
[ >r "" <field> r> add-gadget ] keep ;
: <input-dialog> ( prompt continuation -- gadget )
>r <prompt> <dialog> r> over set-dialog-continuation ;
: input-dialog ( prompt -- input )
#! Show an input dialog and resume the current continuation
#! when the user clicks OK or Cancel. If they click Cancel,
#! push f.
[
<input-dialog> "Input" <tile> world get add-gadget stop
] callcc1 ;