1 ! Copyright (C) 2005, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays hashtables io kernel math math.functions
4 namespaces make opengl sequences strings splitting ui.gadgets
5 ui.gadgets.tracks ui.gadgets.packs fonts ui.render ui.text
6 colors colors.constants models combinators ;
9 ! A label gadget draws a string.
10 TUPLE: label < gadget text font ;
14 M: label string>> ( label -- string )
15 text>> dup string? [ "\n" join ] unless ; inline
19 PREDICATE: string-array < array [ string? ] all? ;
23 : ?string-lines ( string -- string/array )
24 CHAR: \n over memq? [ string-lines ] when ;
26 ERROR: not-a-string object ;
28 M: label (>>string) ( string label -- )
31 { [ dup string-array? ] [ ] }
32 { [ dup string? ] [ ?string-lines ] }
35 ] dip (>>text) ; inline
37 : label-theme ( gadget -- gadget )
38 sans-serif-font >>font ; inline
40 : new-label ( string class -- label )
45 : <label> ( string -- label )
48 : >label< ( label -- font text )
49 [ font>> ] [ text>> ] bi ;
55 >label< dup string? [ first ] unless
56 line-metrics ascent>> round ;
58 M: label draw-gadget* >label< draw-text ;
60 M: label gadget-text* string>> % ;
62 TUPLE: label-control < label ;
64 M: label-control model-changed
65 swap value>> >>string relayout ;
67 : <label-control> ( model -- gadget )
68 "" label-control new-label
71 : text-theme ( gadget -- gadget )
72 monospace-font >>font ;
74 : reverse-video-theme ( label -- label )
75 sans-serif-font reverse-video-font >>font
76 COLOR: black <solid> >>interior ;
78 GENERIC: >label ( obj -- gadget )
79 M: string >label <label> ;
80 M: array >label <label> ;
82 M: f >label drop <gadget> ;
86 : label-on-left/right ( -- track )
89 { 5 5 } >>gap ; inline
92 : label-on-left ( gadget label -- button )
94 swap >label f track-add
97 : label-on-right ( label gadget -- button )
100 swap >label 1 track-add ;