1 ! Copyright (C) 2005, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: arrays hashtables io kernel namespaces sequences
4 io.styles strings quotations math opengl combinators memoize
5 math.vectors sorting splitting assocs classes.tuple models
6 continuations destructors accessors math.geometry.rect fry
7 fonts ui.gadgets ui.gadgets.borders ui.gadgets.buttons
8 ui.gadgets.labels ui.gadgets.scrollers ui.gadgets.paragraphs
9 ui.gadgets.incremental ui.gadgets.packs ui.gadgets.theme
10 ui.gadgets.menus ui.clipboards ui.gestures ui.traverse ui.render
11 ui.text ui.gadgets.presentations ui.gadgets.grids
12 ui.gadgets.grid-lines colors ;
16 output current prototype scrolls?
17 selection-color caret mark selecting? ;
19 : clear-selection ( pane -- pane )
22 : add-output ( pane current -- pane )
23 [ >>output ] [ add-gadget ] bi ;
25 : add-current ( pane current -- pane )
26 [ >>current ] [ add-gadget ] bi ;
28 : prepare-line ( pane -- )
30 dup prototype>> clone add-current drop ;
32 : pane-caret&mark ( pane -- caret mark )
33 [ caret>> ] [ mark>> ] bi ;
35 : selected-children ( pane -- seq )
36 [ pane-caret&mark sort-pair ] keep gadget-subtree ;
38 M: pane gadget-selection? pane-caret&mark and ;
40 M: pane gadget-selection ( pane -- string/f )
41 selected-children gadget-text ;
43 : pane-clear ( pane -- )
45 [ output>> clear-incremental ]
46 [ current>> clear-gadget ]
49 : new-pane ( class -- pane )
53 <incremental> add-output
55 selection-color >>selection-color ;
57 : <pane> ( -- pane ) pane new-pane ;
59 GENERIC: draw-selection ( loc obj -- )
61 : if-fits ( rect quot -- )
62 [ clip get over intersects? ] dip [ drop ] if ; inline
64 M: gadget draw-selection ( loc gadget -- )
71 M: node draw-selection ( loc node -- )
72 2dup value>> swap offset-rect [
74 [ value>> rect-loc v+ ] keep
75 children>> [ draw-selection ] with each
79 dup gadget-selection? [
80 [ selection-color>> gl-color ]
82 [ [ origin get ] dip loc>> v- ] keep selected-children
83 [ draw-selection ] with each
87 : scroll-pane ( pane -- )
88 dup scrolls?>> [ scroll>bottom ] [ drop ] if ;
90 TUPLE: pane-stream pane ;
92 C: <pane-stream> pane-stream
94 : smash-line ( current -- gadget )
96 { [ dup empty? ] [ 2drop "" <label> ] }
97 { [ dup length 1 = ] [ nip first ] }
101 : smash-pane ( pane -- gadget ) output>> smash-line ;
103 : pane-nl ( pane -- )
105 [ current>> [ unparent ] [ smash-line ] bi ] [ output>> ] bi
108 [ prepare-line ] bi ;
110 : pane-write ( seq pane -- )
112 [ '[ _ current>> stream-write ] ] bi
115 : pane-format ( seq style pane -- )
116 [ '[ _ drop _ pane-nl ] ]
117 [ '[ _ _ current>> stream-format ] ] 2bi
120 GENERIC: write-gadget ( gadget stream -- )
122 M: pane-stream write-gadget ( gadget pane-stream -- )
123 pane>> current>> swap add-gadget drop ;
125 M: style-stream write-gadget
126 stream>> write-gadget ;
128 : print-gadget ( gadget stream -- )
129 [ write-gadget ] [ nip stream-nl ] 2bi ;
131 : gadget. ( gadget -- )
132 output-stream get print-gadget ;
135 dup pane>> current>> children>> empty?
136 [ dup stream-nl ] unless drop ;
138 : with-pane ( pane quot -- )
140 over pane-clear [ <pane-stream> ] dip
141 over [ with-output-stream* ] dip ?nl ; inline
143 : make-pane ( quot -- gadget )
144 <pane> [ swap with-pane ] keep smash-pane ; inline
146 : <scrolling-pane> ( -- pane ) <pane> t >>scrolls? ;
148 TUPLE: pane-control < pane quot ;
150 M: pane-control model-changed ( model pane-control -- )
151 [ value>> ] [ dup quot>> ] bi* with-pane ;
153 : <pane-control> ( model quot -- pane )
154 pane-control new-pane
158 : do-pane-stream ( pane-stream quot -- )
159 [ pane>> ] dip keep scroll-pane ; inline
161 M: pane-stream stream-nl
162 [ pane-nl ] do-pane-stream ;
164 M: pane-stream stream-write1
165 [ current>> stream-write1 ] do-pane-stream ;
167 M: pane-stream stream-write
168 [ [ string-lines ] dip pane-write ] do-pane-stream ;
170 M: pane-stream stream-format
171 [ [ string-lines ] 2dip pane-format ] do-pane-stream ;
173 M: pane-stream dispose drop ;
175 M: pane-stream stream-flush drop ;
177 M: pane-stream make-span-stream
178 swap <style-stream> <ignore-close-stream> ;
182 MEMO: specified-font ( assoc -- font )
183 #! We memoize here to avoid creating lots of duplicate font objects.
186 [ font-name swap at "monospace" or >>name ]
191 { bold [ t >>bold? ] }
192 { italic [ t >>italic? ] }
193 { bold-italic [ t >>bold? t >>italic? ] }
196 [ font-size swap at 12 or >>size ]
197 [ foreground swap at black or >>foreground ]
198 [ background swap at white or >>background ]
201 : apply-font-style ( style gadget -- style gadget )
202 { font-name font-style font-size foreground background }
203 pick extract-keys specified-font >>font ;
205 : apply-style ( style gadget key quot -- style gadget )
206 [ pick at ] dip when* ; inline
208 : apply-presentation-style ( style gadget -- style gadget )
209 presented [ <presentation> ] apply-style ;
211 : style-label ( style gadget -- gadget )
213 apply-presentation-style
216 : <styled-label> ( style text -- gadget )
217 <label> style-label ;
221 : apply-wrap-style ( style pane -- style pane )
223 2dup <paragraph> >>prototype drop
224 <paragraph> >>current
227 : apply-border-color-style ( style gadget -- style gadget )
228 border-color [ solid-boundary ] apply-style ;
230 : apply-page-color-style ( style gadget -- style gadget )
231 page-color [ solid-interior ] apply-style ;
233 : apply-border-width-style ( style gadget -- style gadget )
234 border-width [ <border> ] apply-style ;
236 : style-pane ( style pane -- pane )
237 apply-border-width-style
238 apply-border-color-style
239 apply-page-color-style
240 apply-presentation-style
243 TUPLE: nested-pane-stream < pane-stream style parent ;
245 : new-nested-pane-stream ( style parent class -- stream )
248 swap <pane> apply-wrap-style [ >>style ] [ >>pane ] bi* ;
251 : unnest-pane-stream ( stream -- child parent )
254 over pane>> smash-pane style-pane
257 TUPLE: pane-block-stream < nested-pane-stream ;
259 M: pane-block-stream dispose
260 unnest-pane-stream write-gadget ;
262 M: pane-stream make-block-stream
263 pane-block-stream new-nested-pane-stream ;
266 : apply-table-gap-style ( style grid -- style grid )
267 table-gap [ >>gap ] apply-style ;
269 : apply-table-border-style ( style grid -- style grid )
270 table-border [ <grid-lines> >>boundary ]
273 : styled-grid ( style grid -- grid )
276 apply-table-gap-style
277 apply-table-border-style
280 TUPLE: pane-cell-stream < nested-pane-stream ;
282 M: pane-cell-stream dispose ?nl ;
284 M: pane-stream make-cell-stream
285 pane-cell-stream new-nested-pane-stream ;
287 M: pane-stream stream-write-table
289 swap [ [ pane>> smash-pane ] map ] map
294 M: pack dispose drop ;
296 M: paragraph dispose drop ;
298 : gadget-write ( string gadget -- )
300 [ 2drop ] [ <label> text-theme add-gadget drop ] if ;
302 M: pack stream-write gadget-write ;
304 : gadget-bl ( style stream -- )
305 swap " " <word-break-gadget> style-label add-gadget drop ;
307 M: paragraph stream-write
309 [ H{ } over gadget-bl ] [ over gadget-write ] interleave
312 : gadget-write1 ( char gadget -- )
313 [ 1string ] dip stream-write ;
315 M: pack stream-write1 gadget-write1 ;
317 M: paragraph stream-write1
319 [ H{ } swap gadget-bl drop ] [ gadget-write1 ] if ;
321 : gadget-format ( string style stream -- )
322 '[ _ swap <styled-label> _ swap add-gadget drop ] unless-empty ;
324 M: pack stream-format
327 M: paragraph stream-format
332 [ '[ _ _ gadget-bl ] ]
333 [ '[ _ _ gadget-format ] ] 2bi
337 : caret>mark ( pane -- pane )
341 GENERIC: sloppy-pick-up* ( loc gadget -- n )
343 M: pack sloppy-pick-up* ( loc gadget -- n )
344 [ orientation>> ] [ children>> ] bi (fast-children-on) ;
346 M: gadget sloppy-pick-up*
347 children>> [ inside? ] with find-last drop ;
352 : wet-and-sloppy ( loc gadget n -- newloc newgadget )
353 swap nth-gadget [ rect-loc v- ] keep ;
355 : sloppy-pick-up ( loc gadget -- path )
356 2dup sloppy-pick-up* dup
357 [ [ wet-and-sloppy sloppy-pick-up ] keep prefix ]
361 : move-caret ( pane loc -- pane )
362 over screen-loc v- over sloppy-pick-up >>caret
365 : begin-selection ( pane -- )
367 hand-loc get move-caret
371 : extend-selection ( pane -- )
374 hand-loc get move-caret
376 dup hand-clicked get child? [
378 dup hand-clicked set-global
379 hand-click-loc get move-caret
383 dup dup caret>> gadget-at-path scroll>gadget
386 : end-selection ( pane -- )
389 [ com-copy-selection ] [ request-focus ] bi
394 : select-to-caret ( pane -- )
396 dup mark>> [ caret>mark ] unless
397 hand-loc get move-caret
401 : pane-menu ( pane -- ) { com-copy } show-commands-menu ;
404 { T{ button-down } [ begin-selection ] }
405 { T{ button-down f { S+ } 1 } [ select-to-caret ] }
406 { T{ button-up f { S+ } 1 } [ end-selection ] }
407 { T{ button-up } [ end-selection ] }
408 { T{ drag } [ extend-selection ] }
409 { copy-action [ com-copy ] }
410 { T{ button-down f f 3 } [ pane-menu ] }