1 ! Copyright (C) 2008, 2011 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays colors colors.constants combinators
4 combinators.short-circuit fonts fry kernel locals math
5 math.functions math.order math.rectangles math.vectors models
6 namespaces opengl sequences splitting strings ui.commands
7 ui.gadgets ui.gadgets.line-support ui.gadgets.menus
8 ui.gadgets.scrollers ui.gadgets.status-bar ui.gadgets.worlds
9 ui.gestures ui.images ui.pens.solid ui.render ui.text ;
10 FROM: sequences => change-nth ;
13 ! Row rendererer protocol
14 GENERIC: prototype-row ( renderer -- columns )
15 GENERIC: column-alignment ( renderer -- alignment )
16 GENERIC: filled-column ( renderer -- n )
17 GENERIC: column-titles ( renderer -- strings )
19 GENERIC: row-columns ( row renderer -- columns )
20 GENERIC: row-value ( row renderer -- object )
21 GENERIC: row-color ( row renderer -- color )
22 GENERIC: row-value? ( value row renderer -- ? )
24 SINGLETON: trivial-renderer
26 M: object prototype-row drop { "" } ;
27 M: object column-alignment drop f ;
28 M: object filled-column drop f ;
29 M: object column-titles drop f ;
31 M: trivial-renderer row-columns drop ;
32 M: object row-value drop ;
33 M: object row-color 2drop f ;
34 M: object row-value? drop eq? ;
36 TUPLE: table < line-gadget
37 { renderer initial: trivial-renderer }
38 { action initial: [ drop ] }
40 { hook initial: [ drop ] }
42 column-widths total-width
44 { mouse-color initial: COLOR: black }
50 { takes-focus? initial: t }
54 : new-table ( rows renderer class -- table )
58 sans-serif-font >>font
59 focus-border-color >>focus-border-color
60 transparent >>column-line-color
61 f <model> >>selection-index
62 f <model> >>selection ;
64 : <table> ( rows renderer -- table ) table new-table ;
68 GENERIC: cell-dim ( font cell -- width height padding )
69 GENERIC: draw-cell ( font cell -- )
71 : single-line ( str -- str' )
72 dup [ "\r\n" member? ] any? [ string-lines " " join ] when ;
74 M: string cell-dim single-line text-dim first2 ceiling 0 ;
75 M: string draw-cell single-line draw-text ;
77 CONSTANT: image-padding 2
79 M: image-name cell-dim nip image-dim first2 image-padding ;
80 M: image-name draw-cell nip draw-image ;
82 : column-offsets ( widths gap -- x xs )
83 [ 0 ] dip '[ _ + + ] accumulate ;
85 CONSTANT: column-title-background COLOR: light-gray
87 : column-title-font ( font -- font' )
88 column-title-background font-with-background t >>bold? ;
90 : initial-widths ( table rows -- widths )
91 over renderer>> column-titles dup
92 [ [ drop font>> ] dip [ text-width ] with map ]
93 [ drop nip first length 0 <repetition> ]
96 : row-column-widths ( table row -- widths )
97 [ font>> ] dip [ cell-dim nip + ] with map ;
99 : compute-total-width ( gap widths -- total )
100 swap [ column-offsets drop ] keep - ;
102 : compute-column-widths ( table -- total widths )
103 dup rows>> [ drop 0 { } ] [
104 [ drop gap>> ] [ initial-widths ] [ ] 2tri
105 [ row-column-widths vmax ] with each
106 [ compute-total-width ] keep
109 : update-cached-widths ( table -- )
110 dup compute-column-widths
111 [ >>total-width ] [ >>column-widths ] bi*
114 : filled-column-width ( table -- n )
115 [ dim>> first ] [ total-width>> ] bi [-] ;
117 : update-filled-column ( table -- )
118 [ filled-column-width ]
119 [ renderer>> filled-column ]
120 [ column-widths>> ] tri
122 [ [ + ] change-nth ] [ 3drop ] if ;
125 [ update-cached-widths ] [ update-filled-column ] bi ;
127 : row-rect ( table row -- rect )
128 [ [ line-height ] dip * 0 swap 2array ]
129 [ drop [ dim>> first ] [ line-height ] bi 2array ] 2bi <rect> ;
131 : row-bounds ( table row -- loc dim )
132 row-rect rect-bounds ; inline
134 : draw-selected-row ( table -- )
135 dup selection-index>> value>> [
136 dup selection-color>> gl-color
137 dup selection-index>> value>> row-bounds gl-fill-rect
140 : draw-focused-row ( table -- )
141 dup { [ focused?>> ] [ selection-index>> value>> ] } 1&& [
142 dup focus-border-color>> gl-color
143 dup selection-index>> value>> row-bounds gl-rect
146 : draw-moused-row ( table -- )
148 dup mouse-color>> gl-color
149 dup mouse-index>> row-bounds gl-rect
152 : column-line-offsets ( table -- xs )
153 [ column-widths>> ] [ gap>> ] bi
154 [ column-offsets nip [ f ] ]
155 [ 2/ '[ rest-slice [ _ - ] map ] ]
158 : draw-column-lines ( table -- )
159 [ column-line-color>> gl-color ]
161 [ column-line-offsets ] [ dim>> second ] bi
162 '[ [ 0 2array ] [ _ 2array ] bi gl-line ] each
165 :: column-loc ( font column width align -- loc )
166 font column cell-dim :> ( cell-width cell-height cell-padding )
167 cell-width width swap - align *
168 cell-padding 2 / 1 align - * +
169 cell-height \ line-height get swap - 2 /
170 [ >integer ] bi@ 2array ;
172 : translate-column ( width gap -- )
173 + 0 2array gl-translate ;
175 : draw-column ( font column width align gap -- )
178 [ 2dup ] 2dip column-loc
179 [ draw-cell ] with-translation
181 ] dip translate-column ;
183 : table-column-alignment ( table -- seq )
184 dup renderer>> column-alignment
185 [ ] [ column-widths>> length 0 <repetition> ] ?if ;
187 :: row-font ( row index table -- font )
189 row table renderer>> row-color [ >>foreground ] when*
190 index table selection-index>> value>> =
191 [ table selection-color>> >>background ] when ;
193 : draw-columns ( columns widths alignment font gap -- )
194 '[ [ _ ] 3dip _ draw-column ] 3each ;
196 M:: table draw-line ( row index table -- )
197 row table renderer>> row-columns
198 table column-widths>>
199 table table-column-alignment
200 row index table row-font
204 M: table draw-gadget*
205 dup control-value empty? [ drop ] [
206 dup line-height \ line-height [
208 [ draw-selected-row ]
210 [ draw-column-lines ]
217 M: table line-height* ( table -- y )
218 [ font>> ] [ renderer>> prototype-row ] bi
219 [ cell-dim + nip ] with [ max ] map-reduce ;
222 [ compute-column-widths drop ] keep
223 [ line-height ] [ control-value length ] bi * 2array ;
225 : nth-row ( index table -- value/f ? )
226 over [ control-value nth t ] [ 2drop f f ] if ;
230 : (selected-row) ( table -- value/f ? )
231 [ selection-index>> value>> ] keep nth-row ;
233 : selected-row ( table -- value/f ? )
234 [ (selected-row) ] [ renderer>> ] bi
235 swap [ row-value t ] [ 2drop f f ] if ;
239 : show-row-summary ( table n -- )
241 [ swap [ renderer>> row-value ] keep show-summary ]
245 : update-status ( table -- )
247 [ dup selection-index>> value>> ] unless*
250 : hide-mouse-help ( table -- )
251 f >>mouse-index [ update-status ] [ relayout-1 ] bi ;
253 : ((select-row)) ( n table -- )
254 [ selection-index>> set-model ]
255 [ [ selected-row drop ] keep selection>> set-model ]
258 : update-mouse-index ( table -- )
259 dup [ control-value ] [ mouse-index>> ] bi
260 dup [ swap length [ drop f ] [ 1 - min ] if-zero ] [ 2drop f ] if
263 : initial-selection-index ( table -- n/f )
265 [ control-value empty? not ]
266 [ selection-required?>> ]
270 : find-row-index ( value table -- n/f )
271 [ control-value ] [ renderer>> ] bi
272 '[ _ row-value? ] with find drop ;
274 : update-table-rows ( table -- )
276 [ control-value ] [ renderer>> ] bi
277 '[ _ row-columns ] map
279 [ rows<< ] bi ; inline
281 : update-selection ( table -- )
284 [ [ selection>> value>> ] keep find-row-index ]
285 [ initial-selection-index ]
288 over [ ((select-row)) ] [
289 [ selection-index>> set-model ]
290 [ selection>> set-model ]
294 M: table model-changed
296 dup update-table-rows
298 dup update-mouse-index
299 [ update-status ] [ relayout ] bi ;
301 : thin-row-rect ( table row -- rect )
302 row-rect [ { 0 1 } v* ] change-dim ;
304 : scroll-to-row ( table n -- )
305 dup [ [ thin-row-rect ] [ drop ] 2bi scroll>rect ] [ 2drop ] if ;
307 : (select-row) ( table n -- )
309 [ swap ((select-row)) ]
313 : mouse-row ( table -- n )
314 [ hand-rel second ] keep y>line ;
316 : if-mouse-row ( table true: ( mouse-index table -- ) false: ( table -- ) -- )
317 [ [ mouse-row ] keep 2dup valid-line? ]
318 [ ] [ '[ nip @ ] ] tri* if ; inline
320 : table-button-down ( table -- )
321 dup takes-focus?>> [ dup request-focus ] when
322 [ swap [ >>mouse-index ] [ (select-row) ] bi ] [ drop ] if-mouse-row ; inline
326 : row-action ( table -- )
328 [ swap [ dup hook>> call( table -- ) ] [ action>> call( value -- ) ] bi ]
332 : row-action? ( table -- ? )
333 single-click?>> hand-click# get 2 = or ;
337 : table-button-up ( table -- )
338 dup [ mouse-row ] keep valid-line? [
339 dup row-action? [ row-action ] [ drop ] if
344 : select-row ( table n -- )
346 [ (select-row) ] [ show-row-summary ] 2bi ;
350 : prev/next-row ( table n -- )
351 [ dup selection-index>> value>> ] dip
352 '[ _ + ] [ 0 ] if* select-row ;
354 : previous-row ( table -- )
357 : next-row ( table -- )
360 : first-row ( table -- )
363 : last-row ( table -- )
364 dup control-value length 1 - select-row ;
366 : prev/next-page ( table n -- )
367 over visible-lines 1 - * prev/next-row ;
369 : previous-page ( table -- )
372 : next-page ( table -- )
375 : show-mouse-help ( table -- )
378 [ >>mouse-index relayout-1 ]
381 ] [ hide-mouse-help ] if-mouse-row ;
383 : show-table-menu ( table -- )
389 [ renderer>> row-value ]
394 ] [ drop ] if-mouse-row ;
396 : focus-table ( table -- ) t >>focused? relayout-1 ;
398 : unfocus-table ( table -- ) f >>focused? relayout-1 ;
401 { mouse-enter show-mouse-help }
402 { mouse-leave hide-mouse-help }
403 { motion show-mouse-help }
404 { T{ button-up } table-button-up }
405 { T{ button-up f { S+ } } table-button-up }
406 { T{ button-down } table-button-down }
407 { gain-focus focus-table }
408 { lose-focus unfocus-table }
409 { T{ drag } table-button-down }
413 { T{ button-down f f 3 } show-table-menu }
414 { T{ key-down f f "RET" } row-action }
415 { T{ key-down f f "UP" } previous-row }
416 { T{ key-down f f "DOWN" } next-row }
417 { T{ key-down f f "HOME" } first-row }
418 { T{ key-down f f "END" } last-row }
419 { T{ key-down f f "PAGE_UP" } previous-page }
420 { T{ key-down f f "PAGE_DOWN" } next-page }
423 TUPLE: column-headers < gadget table ;
425 : <column-headers> ( table -- gadget )
428 column-title-background <solid> >>interior ;
430 : draw-column-titles ( table -- )
431 dup font>> font-metrics height>> \ line-height [
433 [ renderer>> column-titles ]
435 [ table-column-alignment ]
436 [ font>> column-title-font ]
442 M: column-headers draw-gadget*
443 table>> draw-column-titles ;
445 M: column-headers pref-dim*
446 table>> [ pref-dim first ] [ font>> "" text-height ] bi 2array ;
448 M: table viewport-column-header
449 dup renderer>> column-titles
450 [ <column-headers> ] [ drop f ] if ;