1 ! Copyright (C) 2006, 2011 Slava Pestov
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays assocs calendar colors combinators
4 combinators.short-circuit documents documents.elements fonts fry
5 grouping kernel literals locals make math math.functions
6 math.order ranges math.rectangles math.vectors models
7 models.arrow namespaces opengl opengl.gl sequences sorting
8 splitting system timers ui.baseline-alignment ui.clipboards
9 ui.commands ui.gadgets ui.gadgets.borders
10 ui.gadgets.line-support ui.gadgets.menus ui.gadgets.scrollers
11 prettyprint math.parser
12 ui.gestures ui.pens.solid ui.render ui.text ui.theme unicode variables ;
13 IN: ui.gadgets.editors
15 TUPLE: editor < line-gadget
18 focused? blink blink-timer
22 preedit-selected-start
24 preedit-selection-mode?
27 M: editor preedit? preedit-start>> ;
29 SYMBOLS: +line+ +box+ +filled+ ;
31 +line+ caret-style set-global
35 : <loc> ( -- loc ) { 0 0 } <model> ;
37 : init-editor-locs ( editor -- editor )
41 : editor-theme ( editor -- editor )
42 monospace-font >>font ; inline
46 : new-editor ( class -- editor )
52 : <editor> ( -- editor )
57 : activate-editor-model ( editor model -- )
59 [ nip activate-model ]
60 [ swap model>> add-loc ] 2tri ;
62 : deactivate-editor-model ( editor model -- )
64 [ nip deactivate-model ]
65 [ swap model>> remove-loc ] 2tri ;
67 : blink-caret ( editor -- )
68 [ not ] change-blink relayout-1 ;
70 SYMBOL: blink-interval
72 750 milliseconds blink-interval set-global
74 : stop-blinking ( editor -- )
75 blink-timer>> [ stop-timer ] when* ;
77 : start-blinking ( editor -- )
79 blink-timer>> [ restart-timer ] when* ;
81 : restart-blinking ( editor -- )
91 [ dup caret>> activate-editor-model ]
92 [ dup mark>> activate-editor-model ]
95 '[ _ blink-caret ] blink-interval get dup <timer>
100 [ [ stop-blinking ] [ f >>blink-timer drop ] bi ]
101 [ dup caret>> deactivate-editor-model ]
102 [ dup mark>> deactivate-editor-model ] tri ;
104 : editor-caret ( editor -- loc ) caret>> value>> ;
106 : editor-mark ( editor -- loc ) mark>> value>> ;
108 : set-caret ( loc editor -- )
109 [ model>> validate-loc ] [ caret>> ] bi set-model ;
111 : set-mark ( loc editor -- )
112 [ model>> validate-loc ] [ mark>> ] bi set-model ;
114 : change-caret ( editor quot: ( loc document -- newloc ) -- )
115 [ [ [ editor-caret ] [ model>> ] bi ] dip call ] [ drop ] 2bi
118 : mark>caret ( editor -- )
119 [ editor-caret ] [ mark>> ] bi set-model ;
121 : change-caret&mark ( editor quot: ( loc document -- newloc ) -- )
122 [ change-caret ] [ drop mark>caret ] 2bi ; inline
124 : editor-line ( n editor -- str ) control-value nth ;
126 :: point>loc ( point editor -- loc )
127 point second editor y>line {
128 { [ dup 0 < ] [ drop { 0 0 } ] }
129 { [ dup editor model>> last-line# > ] [ drop editor model>> doc-end ] }
139 : clicked-loc ( editor -- loc )
140 [ hand-rel ] keep point>loc ;
142 : click-loc ( editor model -- )
143 [ clicked-loc ] dip set-model ;
145 : focus-editor ( editor -- )
146 [ start-blinking ] [ t >>focused? relayout-1 ] bi ;
148 : unfocus-editor ( editor -- )
149 [ stop-blinking ] [ f >>focused? relayout-1 ] bi ;
151 : loc>x ( loc editor -- x )
152 [ first2 swap ] dip [ editor-line ] [ font>> ] bi swap offset>x gl-round ;
154 : loc>point ( loc editor -- loc )
155 [ loc>x ] [ [ first ] dip line>y gl-ceiling ] 2bi 2array ;
157 : caret-loc ( editor -- loc )
158 [ editor-caret ] keep loc>point ;
160 : caret-dim ( editor -- dim )
161 [ 0 ] dip line-height 2array ;
163 : scroll>caret ( editor -- )
164 dup graft-state>> second [
166 [ caret-loc ] [ caret-dim { 2 1 } v+ ] bi <rect>
172 : draw-caret? ( editor -- ? )
173 { [ focused?>> ] [ blink>> ]
174 [ [ preedit? not ] [ preedit-selection-mode?>> not ] bi or ] } 1&& ;
176 : caret-line ( editor -- loc dim )
177 [ caret-loc ] [ caret-dim ] bi ;
179 : caret-rect ( editor -- loc dim )
180 caret-line second [ 2 / ] keep 2array ;
182 : draw-caret-line ( editor -- )
183 caret-line over v+ gl-line ;
185 : draw-caret-rect ( editor -- )
188 : draw-caret-rect-filled ( editor -- )
189 caret-rect gl-fill-rect ;
191 : draw-caret-shape ( editor -- )
193 { +box+ [ draw-caret-rect ] }
194 { +filled+ [ draw-caret-rect-filled ] }
195 [ drop draw-caret-line ]
198 : draw-caret ( editor -- )
200 [ editor-caret-color gl-color ] dip
204 :: draw-preedit-underlines ( editor -- )
205 editor [ preedit? ] [ preedit-underlines>> ] bi and [
206 editor [ caret-loc second ] [ caret-dim second ] bi + 2.0 - :> y
207 editor editor-caret first :> row
208 editor font>> foreground>> gl-color
209 editor preedit-underlines>> [
211 dup second glLineWidth
212 first editor preedit-start>> second dup 2array v+ first2
213 [ row swap 2array editor loc>x 1.0 + y 2array ]
214 [ row swap 2array editor loc>x 1.0 - y 2array ]
221 : selection-start/end ( editor -- start end )
222 [ editor-mark ] [ editor-caret ] bi sort-pair ;
224 SYMBOL: selected-lines
226 TUPLE: selected-line start end first? last? ;
228 : compute-selection ( editor -- assoc )
229 dup gadget-selection? [
230 [ selection-start/end [ [ first ] bi@ [a..b] ] [ ] 2bi ]
232 '[ [ _ _ ] [ _ start/end-on-line ] bi 2array ] H{ } map>assoc
235 :: draw-selection ( line pair editor -- )
236 pair [ editor font>> line offset>x gl-round ] map :> pair
237 editor selection-color>> gl-color
239 pair second pair first - 1 max editor line-height 2array
242 : draw-unselected-line ( line editor -- )
243 font>> swap draw-text ;
245 : draw-selected-line ( line pair editor -- )
247 [ nip draw-unselected-line ] [ draw-selection ] 3bi
251 [ [ first2 ] [ selection-color>> ] bi* <selection> ]
252 [ draw-unselected-line ] bi
256 : draw-default-text? ( editor -- ? )
257 { [ default-text>> ] [ model>> doc-string empty? ] } 1&& ;
259 : draw-default-text ( editor -- )
260 [ font>> clone line-color >>foreground ]
261 [ default-text>> ] bi draw-text ;
266 [ selected-lines get at ] dip over
267 [ draw-selected-line ] [ nip draw-unselected-line ] if ;
269 M: editor draw-gadget*
270 dup draw-default-text? [
271 [ draw-default-text ] [ draw-caret ] [ draw-preedit-underlines ] tri
273 dup compute-selection selected-lines [
274 [ draw-lines ] [ draw-caret ] [ draw-preedit-underlines ] tri
279 [ call-next-method ] keep ! at least as big as our min-rows/min-cols
280 ! Add some space for the caret.
281 [ font>> ] keep dup draw-default-text?
282 [ default-text>> ] [ control-value ] if
283 text-dim { 1 0 } v+ vmax ;
285 M: editor baseline font>> font-metrics ascent>> ;
287 M: editor cap-height font>> font-metrics cap-height>> ;
291 : contents-changed ( model editor -- )
292 [ [ nip caret>> ] [ drop ] 2bi '[ _ validate-loc ] (change-model) ]
293 [ [ nip mark>> ] [ drop ] 2bi '[ _ validate-loc ] (change-model) ]
294 [ nip relayout ] 2tri ;
296 : caret/mark-changed ( editor -- )
297 [ restart-blinking ] keep scroll>caret ;
301 M: editor model-changed
303 { [ 2dup model>> eq? ] [ contents-changed ] }
304 { [ 2dup caret>> eq? ] [ nip caret/mark-changed ] }
305 { [ 2dup mark>> eq? ] [ nip caret/mark-changed ] }
308 M: editor gadget-selection?
309 selection-start/end = not ;
311 M: editor gadget-selection
312 [ selection-start/end ] [ model>> ] bi doc-range ;
314 : remove-selection ( editor -- )
315 [ selection-start/end ] [ model>> ] bi remove-doc-range ;
317 M: editor user-input*
318 [ selection-start/end ] [ model>> ] bi set-doc-range t ;
320 M: editor temp-im-input
321 [ selection-start/end ] [ model>> ] bi set-doc-range* t ;
323 : editor-string ( editor -- string )
326 : set-editor-string ( string editor -- )
327 model>> set-doc-string ;
329 M: editor gadget-text* editor-string % ;
331 : extend-selection ( editor -- )
334 [ dup caret>> click-loc ] tri ;
336 : remove-preedit-text ( editor -- )
337 { [ preedit-start>> ] [ set-caret ]
338 [ preedit-end>> ] [ set-mark ]
342 : remove-preedit-info ( editor -- )
345 f >>preedit-selected-start
346 f >>preedit-selected-end
347 f >>preedit-selection-mode?
348 f >>preedit-underlines
351 : mouse-elt ( -- element )
355 } at one-line-elt or ;
357 : drag-direction? ( loc editor -- ? )
358 editor-mark before? ;
360 : drag-selection-caret ( loc editor element -- loc )
362 [ drag-direction? ] [ model>> ] 2bi
363 ] dip prev/next-elt ? ;
365 : drag-selection-mark ( loc editor element -- loc )
367 [ drag-direction? not ]
370 ] dip prev/next-elt ? ;
372 : drag-caret&mark ( editor -- caret mark )
373 [ clicked-loc ] [ mouse-elt ] bi
374 [ drag-selection-caret ]
375 [ drag-selection-mark ] 3bi ;
377 : drag-selection ( editor -- )
380 [ caret>> set-model ] tri ;
382 : editor-cut ( editor clipboard -- )
383 [ gadget-copy ] [ drop remove-selection ] 2bi ;
385 : delete/backspace ( editor quot -- )
386 over gadget-selection? [
387 drop remove-selection
389 [ [ [ editor-caret ] [ model>> ] bi ] dip call ]
394 : editor-delete ( editor elt -- )
395 '[ dupd _ next-elt ] delete/backspace ;
397 : editor-backspace ( editor elt -- )
398 '[ over [ _ prev-elt ] dip ] delete/backspace ;
400 : editor-select-prev ( editor elt -- )
401 '[ _ prev-elt ] change-caret ;
403 : editor-prev ( editor elt -- )
404 [ editor-select-prev ] [ drop mark>caret ] 2bi ;
406 : editor-select-next ( editor elt -- )
407 '[ _ next-elt ] change-caret ;
409 : editor-next ( editor elt -- )
410 dupd editor-select-next mark>caret ;
412 : editor-select ( from to editor -- )
413 [ mark>> set-model ] [ caret>> set-model ] bi-curry bi* ;
415 : select-elt ( editor elt -- )
416 [ [ [ editor-caret ] [ model>> ] bi ] dip prev/next-elt ] [ drop ] 2bi
419 : start-of-document ( editor -- ) doc-elt editor-prev ;
421 : end-of-document ( editor -- ) doc-elt editor-next ;
423 : position-caret ( editor -- )
424 mouse-elt dup one-char-elt =
425 [ drop dup extend-selection dup mark>> click-loc ]
428 : delete-previous-character ( editor -- )
429 char-elt editor-backspace ;
431 : delete-next-character ( editor -- )
432 char-elt editor-delete ;
434 : delete-previous-word ( editor -- )
435 word-elt editor-backspace ;
437 : delete-next-word ( editor -- )
438 word-elt editor-delete ;
440 : delete-to-start-of-line ( editor -- )
441 one-line-elt editor-backspace ;
443 : delete-to-end-of-line ( editor -- )
444 one-line-elt editor-delete ;
446 : delete-to-start-of-document ( editor -- )
447 doc-elt editor-delete ;
449 : delete-to-end-of-document ( editor -- )
450 doc-elt editor-delete ;
452 : com-undo ( editor -- ) model>> undo ;
454 : com-redo ( editor -- ) model>> redo ;
457 { undo-action com-undo }
458 { redo-action com-redo }
459 { T{ key-down f f "DELETE" } delete-next-character }
460 { T{ key-down f f "BACKSPACE" } delete-previous-character }
461 { T{ key-down f { S+ } "DELETE" } delete-next-character }
462 { T{ key-down f { S+ } "BACKSPACE" } delete-previous-character }
463 { T{ key-down f ${ os macosx? A+ C+ ? } "DELETE" } delete-next-word }
464 { T{ key-down f ${ os macosx? A+ C+ ? } "BACKSPACE" } delete-previous-word }
465 { T{ key-down f ${ os macosx? M+ A+ ? } "DELETE" } delete-to-end-of-line }
466 { T{ key-down f ${ os macosx? M+ A+ ? } "BACKSPACE" } delete-to-start-of-line }
468 { T{ key-down f { C+ } "DELETE" } delete-next-character }
469 { T{ key-down f { C+ } "BACKSPACE" } delete-previous-character }
470 } append ] when define-command-map
472 : com-paste ( editor -- ) clipboard get paste-clipboard ;
474 : paste-selection ( editor -- ) ui.clipboards:selection get paste-clipboard ;
476 : com-cut ( editor -- ) clipboard get editor-cut ;
478 editor "clipboard" f {
479 { cut-action com-cut }
480 { copy-action com-copy }
481 { paste-action com-paste }
482 { T{ button-up } com-copy-selection }
483 { T{ button-up f f 2 } paste-selection }
486 : previous-character ( editor -- )
487 dup gadget-selection? [
488 dup selection-start/end drop
489 over set-caret mark>caret
494 : next-character ( editor -- )
495 dup gadget-selection? [
496 dup selection-start/end nip
497 over set-caret mark>caret
502 : previous-word ( editor -- ) word-elt editor-prev ;
504 : next-word ( editor -- ) word-elt editor-next ;
506 : start-of-line ( editor -- ) one-line-elt editor-prev ;
508 : end-of-line ( editor -- ) one-line-elt editor-next ;
510 : start-of-paragraph ( editor -- ) paragraph-elt editor-prev ;
512 : end-of-paragraph ( editor -- ) paragraph-elt editor-next ;
514 editor "caret-motion" f {
515 { T{ button-down } position-caret }
516 { T{ key-down f f "LEFT" } previous-character }
517 { T{ key-down f f "RIGHT" } next-character }
518 { T{ key-down f ${ os macosx? A+ C+ ? } "LEFT" } previous-word }
519 { T{ key-down f ${ os macosx? A+ C+ ? } "RIGHT" } next-word }
520 { T{ key-down f f "HOME" } start-of-line }
521 { T{ key-down f f "END" } end-of-line }
522 { T{ key-down f ${ os macosx? A+ C+ ? } "UP" } start-of-paragraph }
523 { T{ key-down f ${ os macosx? A+ C+ ? } "DOWN" } end-of-paragraph }
524 { T{ key-down f ${ os macosx? A+ C+ ? } "HOME" } start-of-document }
525 { T{ key-down f ${ os macosx? A+ C+ ? } "END" } end-of-document }
527 { T{ key-down f { M+ } "LEFT" } start-of-line }
528 { T{ key-down f { M+ } "RIGHT" } end-of-line }
529 { T{ key-down f { M+ } "UP" } start-of-paragraph }
530 { T{ key-down f { M+ } "DOWN" } end-of-paragraph }
531 { T{ key-down f { M+ } "HOME" } start-of-document }
532 { T{ key-down f { M+ } "END" } end-of-document }
533 } append ] when define-command-map
535 : clear-editor ( editor -- )
538 : select-all ( editor -- ) doc-elt select-elt ;
540 : select-line ( editor -- ) one-line-elt select-elt ;
542 : select-word ( editor -- ) one-word-elt select-elt ;
544 : selected-token ( editor -- string )
545 dup gadget-selection?
546 [ dup select-word ] unless
549 : select-previous-character ( editor -- )
550 char-elt editor-select-prev ;
552 : select-next-character ( editor -- )
553 char-elt editor-select-next ;
555 : select-previous-word ( editor -- )
556 word-elt editor-select-prev ;
558 : select-next-word ( editor -- )
559 word-elt editor-select-next ;
561 : select-start-of-line ( editor -- )
562 one-line-elt editor-select-prev ;
564 : select-end-of-line ( editor -- )
565 one-line-elt editor-select-next ;
567 : select-start-of-paragraph ( editor -- )
568 paragraph-elt editor-select-prev ;
570 : select-end-of-paragraph ( editor -- )
571 paragraph-elt editor-select-next ;
573 : select-start-of-document ( editor -- )
574 doc-elt editor-select-prev ;
576 : select-end-of-document ( editor -- )
577 doc-elt editor-select-next ;
579 editor "selection" f {
580 { T{ button-down f { S+ } 1 } extend-selection }
581 { T{ button-up f { S+ } 1 } com-copy-selection }
582 { T{ drag { # 1 } } drag-selection }
583 { gain-focus focus-editor }
584 { lose-focus unfocus-editor }
585 { delete-action remove-selection }
586 { select-all-action select-all }
587 { T{ key-down f { C+ } "l" } select-line }
588 { T{ key-down f { S+ } "LEFT" } select-previous-character }
589 { T{ key-down f { S+ } "RIGHT" } select-next-character }
590 { T{ key-down f ${ S+ os macosx? A+ C+ ? } "LEFT" } select-previous-word }
591 { T{ key-down f ${ S+ os macosx? A+ C+ ? } "RIGHT" } select-next-word }
592 { T{ key-down f { S+ } "HOME" } select-start-of-line }
593 { T{ key-down f { S+ } "END" } select-end-of-line }
594 { T{ key-down f ${ S+ os macosx? A+ C+ ? } "UP" } select-start-of-paragraph }
595 { T{ key-down f ${ S+ os macosx? A+ C+ ? } "DOWN" } select-end-of-paragraph }
596 { T{ key-down f ${ S+ os macosx? A+ C+ ? } "HOME" } select-start-of-document }
597 { T{ key-down f ${ S+ os macosx? A+ C+ ? } "END" } select-end-of-document }
599 { T{ key-down f { S+ M+ } "LEFT" } select-start-of-line }
600 { T{ key-down f { S+ M+ } "RIGHT" } select-end-of-line }
601 { T{ key-down f { S+ M+ } "UP" } select-start-of-paragraph }
602 { T{ key-down f { S+ M+ } "DOWN" } select-end-of-paragraph }
603 { T{ key-down f { S+ M+ } "HOME" } select-start-of-document }
604 { T{ key-down f { S+ M+ } "END" } select-end-of-document }
605 } append ] when define-command-map
607 : editor-menu ( editor -- )
615 } show-commands-menu ;
618 ! { T{ button-down f f 2 } paste-selection }
619 { T{ button-down f f 3 } editor-menu }
623 TUPLE: multiline-editor < editor ;
625 : <multiline-editor> ( -- editor )
626 multiline-editor new-editor ;
628 : previous-line ( editor -- ) line-elt editor-prev ;
630 : next-line ( editor -- ) line-elt editor-next ;
634 : page-elt ( editor n -- editor element )
635 over visible-lines 1 - min 1 max <page-elt> ;
637 : prev-page-elt ( editor -- editor element )
638 dup editor-caret first page-elt ;
640 : next-page-elt ( editor -- editor element )
641 dup [ control-value length 1 - ] [ editor-caret first ] bi - page-elt ;
645 : previous-page ( editor -- ) prev-page-elt editor-prev ;
647 : next-page ( editor -- ) next-page-elt editor-next ;
649 : select-previous-line ( editor -- ) line-elt editor-select-prev ;
651 : select-next-line ( editor -- ) line-elt editor-select-next ;
653 : select-previous-page ( editor -- ) prev-page-elt editor-select-prev ;
655 : select-next-page ( editor -- ) next-page-elt editor-select-next ;
657 : insert-newline ( editor -- )
658 "\n" swap user-input* drop ;
660 : change-selection ( editor quot -- )
661 '[ gadget-selection @ ] [ user-input* drop ] bi ; inline
665 : join-lines ( string -- string' )
667 [ rest-slice [ [ blank? ] trim-head-slice ] map! drop ]
668 [ but-last-slice [ [ blank? ] trim-tail-slice ] map! drop ]
672 : last-line? ( document line -- ? )
673 [ last-line# ] dip = ;
675 : prev-line-and-this ( document line -- start end )
676 swap [ drop 1 - 0 2array ] [ line-end ] 2bi ;
678 : join-with-prev ( document line -- )
679 [ prev-line-and-this ] [ drop ] 2bi
680 [ join-lines ] change-doc-range ;
682 : this-line-and-next ( document line -- start end )
683 swap [ drop 0 2array ] [ [ 1 + ] dip line-end ] 2bi ;
685 : join-with-next ( document line -- )
686 [ this-line-and-next ] [ drop ] 2bi
687 [ join-lines ] change-doc-range ;
691 : com-join-lines ( editor -- )
692 dup gadget-selection?
693 [ [ join-lines ] change-selection ] [
694 [ model>> ] [ editor-caret first ] bi {
695 { [ over last-line# 0 = ] [ 2drop ] }
696 { [ 2dup last-line? ] [ join-with-prev ] }
701 multiline-editor "multiline" f {
702 { T{ key-down f f "UP" } previous-line }
703 { T{ key-down f f "DOWN" } next-line }
704 { T{ key-down f { S+ } "UP" } select-previous-line }
705 { T{ key-down f { S+ } "DOWN" } select-next-line }
706 { T{ key-down f f "PAGE_UP" } previous-page }
707 { T{ key-down f f "PAGE_DOWN" } next-page }
708 { T{ key-down f { S+ } "PAGE_UP" } select-previous-page }
709 { T{ key-down f { S+ } "PAGE_DOWN" } select-next-page }
710 { T{ key-down f f "RET" } insert-newline }
711 { T{ key-down f { S+ } "RET" } insert-newline }
712 { T{ key-down f f "ENTER" } insert-newline }
713 { T{ key-down f { S+ } "ENTER" } insert-newline }
714 { T{ key-down f { C+ } "j" } com-join-lines }
717 TUPLE: source-editor < multiline-editor ;
719 : <source-editor> ( -- editor )
720 source-editor new-editor ;
723 : <element-model> ( editor element -- model )
724 [ [ caret>> ] [ model>> ] bi ] dip
725 '[ _ _ elt-string ] <arrow> ;
727 ! Fields wrap an editor
728 TUPLE: field < border editor min-cols max-cols ;
732 : field-theme ( gadget -- gadget )
735 field-border-color <solid> >>boundary ; inline
737 : <field-border> ( gadget -- border )
738 border new-border field-theme ;
742 : new-field ( class -- gadget )
743 [ <editor> ] dip new-border
744 dup gadget-child >>editor
747 ! For line-gadget-width
748 M: field font>> editor>> font>> ;
752 [ editor>> pref-dim ]
753 [ [ line-gadget-width ] [ drop second ] 2bi 2array ]
754 tri border-pref-dim ;
756 M: field default-text>> editor>> default-text>> ;
758 M: field default-text<< editor>> default-text<< ;
760 TUPLE: model-field < field field-model ;
762 : <model-field> ( model -- gadget )
763 model-field new-field
766 M: model-field graft*
767 [ [ field-model>> value>> ] [ editor>> ] bi set-editor-string ]
768 [ dup editor>> model>> add-connection ]
771 M: model-field ungraft*
772 dup editor>> model>> remove-connection ;
774 M: model-field model-changed
775 nip [ editor>> editor-string ] [ field-model>> ] bi set-model ;
777 TUPLE: action-field < field quot ;
779 : <action-field> ( quot: ( string -- ) -- gadget )
780 action-field [ <editor> ] dip new-border
781 dup gadget-child >>editor
785 : invoke-action-field ( field -- )
786 [ editor>> editor-string ]
787 [ editor>> clear-editor ]
789 tri call( string -- ) ;
792 { T{ key-down f f "RET" } [ invoke-action-field ] }
795 : readline-bindings ( editor-class -- )
797 { T{ key-down f { C+ } "p" } previous-line }
798 { T{ key-down f { C+ } "n" } next-line }
799 { T{ key-down f { C+ } "b" } previous-character }
800 { T{ key-down f { C+ } "f" } next-character }
801 { T{ key-down f { C+ } "a" } start-of-line }
802 { T{ key-down f { C+ } "e" } end-of-line }
803 ! { T{ key-down f { C+ } "t" } transpose-character }
804 { T{ key-down f { C+ } "d" } delete-next-character }
805 { T{ key-down f { C+ } "h" } delete-previous-character }
806 { T{ key-down f { C+ } "u" } delete-to-start-of-line }
807 { T{ key-down f { C+ } "k" } delete-to-end-of-line }
808 { T{ key-down f { C+ } "w" } delete-previous-word }
809 } define-command-map ;