factor/extra/ui/gadgets/slots/slots.factor

126 lines
3.3 KiB
Factor
Executable File

! Copyright (C) 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: namespaces ui.gadgets ui.gestures ui.commands kernel
ui.gadgets.scrollers parser prettyprint ui.gadgets.buttons
sequences arrays ui.gadgets.borders ui.gadgets.tracks
ui.gadgets.editors io math
definitions math.vectors assocs refs ;
IN: ui.gadgets.slots
TUPLE: update-object ;
TUPLE: update-slot ;
TUPLE: edit-slot ;
TUPLE: slot-editor ref text ;
: revert ( slot-editor -- )
dup slot-editor-ref get-ref unparse-use
swap slot-editor-text set-editor-string ;
\ revert H{
{ +description+ "Revert any uncomitted changes." }
} define-command
GENERIC: finish-editing ( slot-editor ref -- )
M: key-ref finish-editing
drop T{ update-object } swap send-gesture drop ;
M: value-ref finish-editing
drop T{ update-slot } swap send-gesture drop ;
: slot-editor-value ( slot-editor -- object )
slot-editor-text control-value parse-fresh ;
: commit ( slot-editor -- )
dup slot-editor-text control-value parse-fresh first
over slot-editor-ref set-ref
dup slot-editor-ref finish-editing ;
\ commit H{
{ +description+ "Parse the object being edited, and store the result back into the edited slot." }
} define-command
: com-eval ( slot-editor -- )
[ slot-editor-text editor-string eval ] keep
[ slot-editor-ref set-ref ] keep
dup slot-editor-ref finish-editing ;
\ com-eval H{
{ +listener+ t }
{ +description+ "Parse code which evaluates to an object, and store the result back into the edited slot." }
} define-command
: delete ( slot-editor -- )
dup slot-editor-ref delete-ref
T{ update-object } swap send-gesture drop ;
\ delete H{
{ +description+ "Delete the slot and close the slot editor." }
} define-command
: close ( slot-editor -- )
T{ update-slot } swap send-gesture drop ;
\ close H{
{ +description+ "Close the slot editor without saving changes." }
} define-command
: <slot-editor> ( ref -- gadget )
slot-editor construct-empty
[ set-slot-editor-ref ] keep
[
toolbar,
<source-editor> g-> set-slot-editor-text
<scroller> 1 track,
] { 0 1 } build-track
dup revert ;
M: slot-editor pref-dim* delegate pref-dim* { 600 200 } vmin ;
slot-editor "toolbar" f {
{ T{ key-down f { C+ } "RET" } commit }
{ T{ key-down f { S+ C+ } "RET" } com-eval }
{ f revert }
{ f delete }
{ T{ key-down f f "ESC" } close }
} define-command-map
TUPLE: editable-slot printer ref ;
: <edit-button> ( -- gadget )
"..."
[ T{ edit-slot } swap send-gesture drop ]
<roll-button> ;
: display-slot ( gadget editable-slot -- )
dup clear-track
[ 1 track, <edit-button> f track, ] with-gadget ;
: update-slot ( editable-slot -- )
[
dup editable-slot-ref get-ref
swap editable-slot-printer call
] keep
[ display-slot ] keep
scroll>gadget ;
: edit-slot ( editable-slot -- )
dup clear-track dup [
dup editable-slot-ref <slot-editor> 1 track,
] with-gadget scroll>gadget ;
\ editable-slot H{
{ T{ update-slot } [ update-slot ] }
{ T{ edit-slot } [ edit-slot ] }
} set-gestures
: <editable-slot> ( gadget ref -- editable-slot )
editable-slot construct-empty
{ 1 0 } <track> over set-gadget-delegate
[ drop <gadget> ] over set-editable-slot-printer
[ set-editable-slot-ref ] keep
[ display-slot ] keep ;