factor/extra/ui/gadgets/labels/labels.factor

66 lines
1.7 KiB
Factor
Executable File

! Copyright (C) 2005, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays hashtables io kernel math namespaces
opengl sequences io.streams.lines strings splitting
ui.gadgets ui.gadgets.tracks ui.gadgets.theme ui.render colors ;
IN: ui.gadgets.labels
! A label gadget draws a string.
TUPLE: label text font color ;
: label-string ( label -- string )
label-text dup string? [ "\n" join ] unless ; inline
: set-label-string ( string label -- )
CHAR: \n pick memq? [
>r string-lines r> set-label-text
] [
set-label-text
] if ; inline
: label-theme ( gadget -- )
black over set-label-color
sans-serif-font swap set-label-font ;
: <label> ( string -- label )
label construct-gadget
[ set-label-string ] keep
dup label-theme ;
M: label pref-dim*
dup label-font open-font swap label-text text-dim ;
M: label draw-gadget*
dup label-color gl-color
dup label-font swap label-text origin get draw-text ;
M: label gadget-text* label-string % ;
TUPLE: label-control ;
M: label-control model-changed
dup control-value over set-label-text relayout ;
: <label-control> ( model -- gadget )
"" <label> label-control construct-control ;
: text-theme ( gadget -- )
black over set-label-color
monospace-font swap set-label-font ;
: reverse-video-theme ( label -- )
white over set-label-color
black solid-interior ;
GENERIC: >label ( obj -- gadget )
M: string >label <label> ;
M: array >label <label> ;
M: object >label ;
M: f >label drop <gadget> ;
: label-on-left ( gadget label -- button )
[ >label f track, 1 track, ] { 1 0 } make-track ;
: label-on-right ( label gadget -- button )
[ f track, >label 1 track, ] { 1 0 } make-track ;