gui/gui-lib/mred/private/mritem.rkt
2014-12-02 02:33:07 -05:00

950 lines
40 KiB
Racket

#lang racket/base
(require racket/class
racket/list
(prefix-in wx: "kernel.rkt")
"lock.rkt"
"const.rkt"
"gdi.rkt"
"check.rkt"
"helper.rkt"
"wx.rkt"
"wxitem.rkt"
"wxlitem.rkt"
"mrwindow.rkt"
"mrcontainer.rkt")
(provide control<%>
(protect-out basic-control%)
message%
button%
check-box%
radio-box%
slider%
gauge%
list-control<%>
choice%
list-box%
(protect-out wrap-callback
check-list-control-args
check-list-control-selection
;; Local methods:
hidden-child?
label-checker))
(define control<%>
(interface (subwindow<%>)
command))
(define-local-member-name hidden-child? label-checker)
(define basic-control%
(class* (make-subwindow% (make-window% #f (make-subarea% area%))) (control<%>)
(init mk-wx mismatches lbl parent cb cursor
;; for keyword use
[font no-val])
(define label lbl)
(define callback cb)
(define can-bitmap? (or (lbl . is-a? . wx:bitmap%)
(pair? lbl)))
(define can-string? (or (string? lbl)
(pair? lbl)))
(override*
[get-label (lambda () label)]
[get-plain-label (lambda ()
(let ([label (if (pair? label) (cadr label) label)])
(and (string? label) (wx:label->plain-label label))))]
[set-label (entry-point
(lambda (l)
((label-checker)
'(method control<%> set-label) l)
(let ([l (if (string? l)
(string->immutable-string l)
l)])
(when (or (and can-bitmap?
(l . is-a? . wx:bitmap%))
(and can-string?
(string? l)))
(send wx set-label l)
(if (pair? label)
(if (string? l)
(set! label (list (car label) l (caddr label)))
(set! label (list l (cadr label) (caddr label))))
(set! label l))))))])
(public*
[hidden-child? (lambda () #f)] ; module-local method
[label-checker (lambda () check-label-string/false)] ; module-local method
[command (lambda (e) (void (callback this e)))]) ; no entry/exit needed
(define wx #f)
(when (string? label)
(set! label (string->immutable-string label)))
(super-make-object (lambda () (set! wx (mk-wx)) wx) (lambda () wx) (lambda () wx) mismatches label parent cursor)
(unless (hidden-child?)
(as-exit (lambda () (send parent after-new-child this))))))
(define (wrap-callback cb)
(if (and (procedure? cb)
(procedure-arity-includes? cb 2))
(lambda (w e) (if (or (eq? 'windows (system-type))
(and (memq (system-type) '(macos macosx))
(eq? (send e get-event-type) 'slider)))
;; Mac OS slider and Windows (all): need trampoline
(wx:queue-callback
(lambda ()
(cb (wx->proxy w) e))
wx:middle-queue-key)
(cb (wx->proxy w) e)))
cb))
(define zero-bitmap #f)
(define message%
(class* basic-control% ()
(init label parent [style null]
;; The following are needed just because message% adds an
;; init argument *after* all of its parent arguments, which
;; normally can't happen.
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val]
[auto-resize #f])
(init-rest)
(rename-super [super-min-width min-width]
[super-min-height min-height]
[super-get-label get-label])
(define do-auto-resize? auto-resize)
(define orig-font (or (no-val->#f font)
normal-control-font))
(define dx 0)
(define dy 0)
(override*
[label-checker (lambda () check-label-string-or-bitmap)] ; module-local method
[set-label (entry-point
(lambda (l)
(super set-label l)
(when do-auto-resize?
(do-auto-resize))))])
(private*
[strip-amp (lambda (s) (if (string? s)
(regexp-replace* #rx"&(.)" s "\\1")
s))]
[do-auto-resize (lambda ()
(let ([s (strip-amp (super-get-label))])
(cond
[(symbol? s) (void)]
[(string? s)
(let ([m (mred->wx this)])
(if (send m set-preferred-size)
(let ([w (box 0)] [h (box 0)])
(send m get-size w h)
(super-min-width (unbox w))
(super-min-height (unbox h)))
(let-values ([(mw mh) (get-window-text-extent s orig-font #t)])
(super-min-width (+ dx mw))
(super-min-height (+ dy mh)))))]
[(s . is-a? . wx:bitmap%)
(super-min-width (+ dx (send s get-width)))
(super-min-height (+ dy (send s get-height)))])))])
(define auto-resize-parm
(case-lambda
[() do-auto-resize?]
[(on?)
(as-entry
(lambda ()
(set! do-auto-resize? (and #t))
(when on?
(do-auto-resize))))]))
(public (auto-resize-parm auto-resize))
(let ([cwho '(constructor message)])
(check-label-string/bitmap/iconsym cwho label)
(check-container-parent cwho parent)
(check-style cwho #f '(deleted) style)
(check-font cwho font))
(as-entry
(lambda ()
(super-instantiate
((lambda ()
(let ([m (make-object wx-message% this this
(mred->wx-container parent)
(if do-auto-resize?
(cond
[(string? label) ""]
[(label . is-a? . wx:bitmap%)
(unless zero-bitmap
(set! zero-bitmap (make-object wx:bitmap% 1 1)))
zero-bitmap]
[else label])
label)
-1 -1 style (no-val->#f font))])
;; Record dx & dy:
(let ([w (box 0)] [h (box 0)])
(send m get-size w h)
(let-values ([(mw mh) (cond
[(string? label)
(let ([s (if do-auto-resize?
""
(strip-amp label))]
[font orig-font])
(if (equal? s "")
(let-values ([(w h) (get-window-text-extent " " font)])
(values 0 h))
(get-window-text-extent s font)))]
[(label . is-a? . wx:bitmap%)
(if do-auto-resize?
(values 1 1)
(values (send label get-width)
(send label get-height)))]
[else (values 0 0)])])
(set! dx (- (unbox w) mw))
(set! dy (- (unbox h) mh))))
;; If auto-resize, install label now:
(when (and do-auto-resize?
(not (symbol? label)))
(send m set-label label))
m))
(lambda ()
(let ([cwho '(constructor message)])
(check-container-ready cwho parent)))
label parent void #f)
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])
(when do-auto-resize?
(do-auto-resize))))))
(define button%
(class* basic-control% ()
(init label parent [callback (lambda (b e) (void))] [style null]
;; This is a vestige of the old class100 keyword macro
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val])
(override*
[label-checker (lambda () check-label-string-or-bitmap)]) ; module-local method
(let ([cwho '(constructor button)])
(check-label-string-or-bitmap-or-both cwho label)
(check-container-parent cwho parent)
(check-callback cwho callback)
(check-style cwho #f '(border deleted) style)
(check-font cwho font))
(as-entry
(lambda ()
(super-new
[mk-wx
(lambda () (make-object wx-button% this this
(mred->wx-container parent) (wrap-callback callback)
label -1 -1 -1 -1 style (no-val->#f font)))]
[mismatches
(lambda ()
(let ([cwho '(constructor button)])
(check-container-ready cwho parent)))]
[cursor #f]
[lbl label]
[parent parent]
[cb callback]
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))))
(define check-box%
(class basic-control%
(init label parent [callback (lambda (b e) (void))] [style null] [value #f]
;; This is a vestige of the old class100 keyword macro
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val])
(init-rest)
(let ([cwho '(constructor check-box)])
(check-label-string-or-bitmap cwho label)
(check-container-parent cwho parent)
(check-callback cwho callback)
(check-style cwho #f '(deleted) style)
(check-font cwho font))
(override*
[label-checker (lambda () check-label-string-or-bitmap)]) ; module-local method
(define wx #f)
(public*
[get-value (entry-point (lambda () (send wx get-value)))]
[set-value (entry-point (lambda (v) (send wx set-value v)))])
(as-entry
(lambda ()
(super-new
[mk-wx
(lambda ()
(set! wx (make-object wx-check-box% this this
(mred->wx-container parent) (wrap-callback callback)
label -1 -1 -1 -1 style (no-val->#f font)))
wx)]
[mismatches
(lambda ()
(let ([cwho '(constructor check-box)])
(check-container-ready cwho parent)))]
[lbl label]
[parent parent]
[cb callback]
[cursor #f]
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))
(when value (set-value #t))))
(define radio-box%
(class basic-control%
(init label choices parent [callback (lambda (b e) (void))] [style '(vertical)] [selection 0]
;; This is a vestige of the old class100 keyword macro
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val])
(init-rest)
(define chcs choices)
(let ([cwho '(constructor radio-box)])
(check-label-string/false cwho label)
(unless (and (list? chcs) (pair? chcs)
(or (andmap label-string? chcs)
(andmap (lambda (x) (is-a? x wx:bitmap%)) chcs)))
(raise-argument-error (who->name cwho) "(or/c (non-empty-listof label-string?) (non-empty-listof (is-a?/c bitmap%)))" chcs))
(check-container-parent cwho parent)
(check-callback cwho callback)
(check-orientation cwho style)
(check-non-negative-integer/false cwho selection))
(define wx #f)
(private*
[check-button
(lambda (method n false-ok?)
((if false-ok?
check-non-negative-integer/false
check-non-negative-integer)
`(method radio-box% ,method) n)
(when n
(unless (< n (length chcs))
(raise-arguments-error (who->name `(method radio-box% ,method)) "no such button"
"index" n))))])
(override*
[enable (entry-point
(case-lambda
[(on?) (send wx enable on?)]
[(which on?) (check-button 'enable which #f)
(send wx enable which on?)]))]
[is-enabled? (entry-point
(case-lambda
[() (send wx is-enabled?)]
[(which) (check-button 'is-enabled? which #f)
(send wx is-enabled? which)]))])
(public*
[get-number (lambda () (length chcs))]
[get-item-label (lambda (n)
(check-button 'get-item-label n #f)
(list-ref chcs n))]
[get-item-plain-label (lambda (n)
(check-button 'get-item-plain-label n #f)
(wx:label->plain-label (list-ref chcs n)))]
[get-selection (entry-point (lambda () (let ([v (send wx get-selection)])
(if (equal? v -1)
#f
v))))]
[set-selection (entry-point
(lambda (v)
(check-button 'set-selection v #t)
(send wx set-selection (or v -1))))])
(as-entry
(lambda ()
(when (andmap string? chcs)
(set! chcs (map string->immutable-string chcs)))
(super-instantiate
((lambda ()
(set! wx (make-object wx-radio-box% this this
(mred->wx-container parent) (wrap-callback callback)
label -1 -1 -1 -1 chcs 0 style (no-val->#f font)))
wx)
(lambda ()
(let ([cwho '(constructor radio-box)])
(check-container-ready cwho parent)
(when selection
(check-list-control-selection cwho choices selection))))
label parent callback #f)
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))
(when (or (not selection) (positive? selection))
(set-selection selection))))
(define slider%
(class basic-control%
(init label min-value max-value parent [callback (lambda (b e) (void))] [init-value min-value] [style '(horizontal)]
;; This is a vestige of the old class100 keyword macro
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val])
(init-rest)
(define minv min-value)
(define maxv max-value)
(let ([cwho '(constructor slider)])
(check-label-string/false cwho label)
(check-slider-integer cwho minv)
(check-slider-integer cwho maxv)
(check-container-parent cwho parent)
(check-callback cwho callback)
(check-slider-integer cwho init-value)
(check-style cwho '(vertical horizontal) '(plain vertical-label horizontal-label deleted) style)
(check-font cwho font)
(unless (<= minv maxv)
(raise-arguments-error (who->name cwho)
"minumum value is greater than maximum value"
"minimum" minv
"maximum" maxv))
(unless (<= minv init-value maxv)
(raise-arguments-error (who->name cwho)
"range error;\n initial value is not between minumum value and maximum value inclusive"
"initial value" init-value
"minimum" minv
"maximum" maxv)))
(define wx #f)
(public*
[get-value (entry-point (lambda () (send wx get-value)))]
[set-value (entry-point
(lambda (v)
(check-slider-integer '(method slider% set-value) v)
(unless (<= minv v maxv)
(raise-arguments-error (who->name '(method slider% set-value))
"out of range;\n given value is not between minimum and maximum values"
"given" v
"minimum" minv
"maximum" maxv))
(send wx set-value v)))])
(as-entry
(lambda ()
(super-new
[mk-wx
(lambda ()
(set! wx (make-object wx-slider% this this
(mred->wx-container parent) (wrap-callback callback)
label init-value minv maxv style (no-val->#f font)))
wx)]
[mismatches
(lambda ()
(let ([cwho '(constructor slider)])
(check-container-ready cwho parent)))]
[lbl label]
[parent parent]
[cb callback]
[cursor #f]
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))))
(define gauge%
(class basic-control%
(init label range parent [style '(horizontal)]
;; This is a vestige of the old class100 keyword macro
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val])
(init-rest)
(let ([cwho '(constructor gauge)])
(check-label-string/false cwho label)
(check-container-parent cwho parent)
(check-gauge-integer cwho range)
(check-orientation cwho style))
(define wx #f)
(public*
[get-value (entry-point (lambda () (send wx get-value)))]
[set-value (entry-point
(lambda (v)
(check-gauge-range-integer '(method gauge% set-value) v)
(when (> v (send wx get-range))
(raise-arguments-error (who->name '(method gauge% set-value))
"out of range;\n given value is not between 0 and maximum value"
"given" v
"maximum" (send wx get-range)))
(send wx set-value v)))]
[get-range (entry-point (lambda () (send wx get-range)))]
[set-range (entry-point
(lambda (v)
(check-gauge-integer '(method gauge% set-range) v)
(send wx set-range v)))])
(as-entry
(lambda ()
(super-new
[mk-wx
(lambda ()
(set! wx (make-object wx-gauge% this this
(mred->wx-container parent)
label range style (no-val->#f font)))
wx)]
[mismatches
(lambda ()
(let ([cwho '(constructor gauge)])
(check-container-ready cwho parent)))]
[lbl label]
[parent parent]
[cb void]
[cursor #f]
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))))
;; List controls ----------------------------------------
(define list-control<%>
(interface (control<%>)
clear append
get-number
get-string find-string
get-selection
get-string-selection
set-selection
set-string-selection))
(define (-1=>false v) (if (negative? v) #f v))
(define-local-member-name
-append-list-string
-set-list-strings
-set-list-string
-delete-list-item)
(define basic-list-control%
(class* basic-control% (list-control<%>)
(init mk-wx mismatches label parent selection callback init-choices)
(define content (map string->immutable-string init-choices))
(define -append
(entry-point (lambda (i)
(check-label-string '(method list-control<%> append) i)
(-append-list-string i)
(send wx append i))))
(public [-append append])
(public*
[clear (entry-point (lambda () (send wx clear) (set! content null)))]
[get-number (entry-point (lambda () (send wx number)))]
[get-string (entry-point (lambda (n) (check-item 'get-string n) (list-ref content n)))]
[get-selection (entry-point (lambda () (and (positive? (send wx number)) (-1=>false (send wx get-selection)))))]
[get-string-selection (entry-point (lambda () (and (positive? (send wx number))
(let ([v (send wx get-selection)])
(if (= v -1)
#f
(list-ref content v))))))]
[set-selection (entry-point (lambda (s) (check-item 'set-selection s) (send wx set-selection s)))]
[set-string-selection (entry-point
(lambda (s)
(check-label-string '(method list-control<%> set-string-selection) s)
(let ([pos (do-find-string s)])
(if pos
(send wx set-selection pos)
(raise-arguments-error (who->name '(method list-control<%> set-string-selection))
"no item matching the given string"
"given" s)))))]
[find-string (entry-point (lambda (x)
(check-label-string '(method list-control<%> find-string) x)
(do-find-string x)))]
[delete (entry-point (lambda (n)
(check-item 'delete n)
(send this -delete-list-item n)
(send wx delete n)))]
[-append-list-string (lambda (i)
(set! content (append content (list i))))]
[-set-list-string (lambda (i s)
(set! content (let loop ([content content][i i])
(if (zero? i)
(cons (string->immutable-string s) (cdr content))
(cons (car content) (loop (cdr content) (sub1 i)))))))]
[-delete-list-item (lambda (pos)
(set! content (let loop ([content content][pos pos])
(if (zero? pos)
(cdr content)
(cons (car content) (loop (cdr content) (sub1 pos)))))))]
[-set-list-strings (lambda (l)
(set! content (map string->immutable-string l)))])
(define wx #f)
(private*
[do-find-string
(lambda (s)
(let loop ([l content][pos 0])
(cond
[(null? l) #f]
[(string=? s (car l)) pos]
[else (loop (cdr l) (add1 pos))])))]
[check-item
(lambda (method n)
(check-non-negative-integer `(method list-control<%> ,method) n)
(let ([m (send wx number)])
(unless (< n m)
(raise-range-error (who->name `(method list-control<%> ,method))
"control" "item "
n
this
0
(sub1 m)
#f))))])
(as-entry
(lambda ()
(super-make-object (lambda () (set! wx (mk-wx)) wx) mismatches label parent callback #f)))
(when selection
(set-selection selection))))
(define (check-list-control-args cwho label choices parent callback)
(check-label-string/false cwho label)
(unless (and (list? choices) (andmap label-string? choices))
(raise-argument-error (who->name cwho) "(listof label-string?)" choices))
(check-container-parent cwho parent)
(check-callback cwho callback))
(define (check-list-control-selection cwho choices selection)
(unless (< selection (length choices))
(raise-arguments-error (who->name cwho)
"given initial selection is too large"
"given" selection
"choice count" (length choices))))
(define choice%
(class basic-list-control%
(init label choices parent [callback (lambda (b e) (void))] [style null] [selection 0]
;; This is a vestige of the old class100 keyword macro
[font no-val]
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val])
(init-rest)
(let ([cwho '(constructor choice)])
(check-list-control-args cwho label choices parent callback)
(check-style cwho #f '(vertical-label horizontal-label deleted) style)
(check-non-negative-integer cwho selection)
(check-font cwho font))
(super-new
[mk-wx
(lambda () (make-object wx-choice% this this
(mred->wx-container parent) (wrap-callback callback)
label -1 -1 -1 -1 choices style (no-val->#f font)))]
[mismatches
(lambda ()
(let ([cwho '(constructor choice)])
(check-container-ready cwho parent)
(unless (= 0 selection)
(check-list-control-selection cwho choices selection))))]
[label label]
[parent parent]
[selection (and (positive? selection) selection)]
[callback callback]
[init-choices choices]
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))
(define list-box%
(class basic-list-control%
(init label choices parent [callback (lambda (b e) (void))] [style '(single)]
[selection #f] [font no-val] [label-font no-val]
;; inherited inits
[enabled #t]
[vert-margin no-val]
[horiz-margin no-val]
[min-width no-val]
[min-height no-val]
[stretchable-width no-val]
[stretchable-height no-val]
;; post inits
[columns (list "Column")] [column-order #f])
(init-rest)
(let ([cwho '(constructor list-box)])
(check-list-control-args cwho label choices parent callback)
(check-style cwho '(single multiple extended)
'(vertical-label horizontal-label deleted variable-columns
column-headers clickable-headers reorderable-headers)
style)
(check-non-negative-integer/false cwho selection)
(check-font cwho font)
(check-font cwho label-font)
(unless (and (list? columns)
(not (null? columns))
(andmap label-string? columns))
(raise-argument-error (who->name cwho) "(non-empty-listof label-string?)" columns))
(when column-order
(check-column-order cwho column-order (length columns))))
(private*
[check-column-order
(lambda (cwho column-order count)
(unless (and (list? column-order)
(andmap exact-nonnegative-integer? column-order))
(raise-argument-error (who->name cwho)
"(listof exact-nonnegative-integer?)"
column-order))
(unless (equal? (sort column-order <)
(for/list ([i (in-range (length column-order))]) i))
(raise-arguments-error (who->name cwho)
"bad column-order list;\n not a permutation of integers from 0 to one less than the list length"
"list" column-order))
(unless (= (length column-order) count)
(raise-arguments-error (who->name cwho)
"column count does not match length of column-order list"
"count" count
"list" column-order)))]
[check-column-number
(lambda (who i)
(unless (exact-nonnegative-integer? i)
(raise-argument-error (who->name who) "exact-nonnegative-integer?" i))
(unless (i . < . num-columns)
(raise-arguments-error (who->name who)
"given column index is too large"
"given" i
"column count" num-columns)))])
(define column-labels (map string->immutable-string columns))
(define num-columns (length columns))
(define variable-columns? (memq 'variable-columns style))
(rename-super [super-append append])
(define -append
(entry-point
(case-lambda
[(i)
(super-append i)]
[(i d)
(check-label-string '(method list-control<%> append) i)
(send this -append-list-string i)
(send wx append i d)])))
(override [-append append])
(public*
[get-column-labels (lambda () column-labels)]
[get-column-order (lambda () (send wx get-column-order))]
[set-column-order (lambda (co)
(check-column-order '(method list-box% set-column-order) co num-columns)
(send wx set-column-order co))]
[set-column-label (lambda (i str)
(let ([who '(method list-box% set-column-label)])
(check-column-number who i)
(check-label-string who str))
(let ([str (string->immutable-string str)])
(set! column-labels (let loop ([i i] [l column-labels])
(cond
[(zero? i) (cons str (cdr l))]
[else (cons (car l) (loop (sub1 i) (cdr l)))])))
(send wx set-column-label i str)))]
[set-column-width (lambda (i w min-size max-size)
(let ([who '(method list-box% set-column-width)])
(check-column-number who i)
(check-dimension who w)
(check-dimension who min-size)
(check-dimension who max-size)
(unless (<= min-size w)
(raise-arguments-error (who->name who)
"given size is less than mininum size"
"given" w
"minimum" min-size))
(unless (>= max-size w)
(raise-arguments-error (who->name who)
"given size is greater than maximum size"
"given" w
"maximum" max-size)))
(send wx set-column-size i w min-size max-size))]
[get-column-width (lambda (i)
(check-column-number '(method list-box% get-column-width) i)
(send wx get-column-size i))]
[delete-column (lambda (i)
(let ([who '(method list-box% delete-column)])
(check-column-number who i)
(unless variable-columns?
(raise-arguments-error
(who->name who)
"cannot delete column;\n list box was created without 'variable-columns style"
"column" i
"list box" this))
(unless (num-columns . > . 1)
(raise-arguments-error (who->name who)
"cannot delete column;\n list box has only one column"
"column" i
"list box" this)))
(as-entry
(lambda ()
(set! num-columns (sub1 num-columns))
(set! column-labels (let loop ([i i] [l column-labels])
(cond
[(zero? i) (cdr l)]
[else (cons (car l) (loop (sub1 i) (cdr l)))])))
(send wx delete-column i))))]
[append-column (lambda (label)
(let ([who '(method list-box% append-column)])
(check-label-string who label)
(unless variable-columns?
(raise-arguments-error
(who->name who)
"cannot add column;\n list box created without 'variable-columns style"
"list box" this
"new column" label)))
(as-entry
(lambda ()
(set! num-columns (add1 num-columns))
(set! column-labels (append column-labels (list label)))
(send wx append-column label))))]
[get-data (entry-point (lambda (n) (check-item 'get-data n) (send wx get-data n)))]
[get-label-font (lambda () (send wx get-label-font))]
[get-selections (entry-point (lambda () (send wx get-selections)))]
[number-of-visible-items (entry-point (lambda () (send wx number-of-visible-items)))]
[is-selected? (entry-point (lambda (n) (check-item 'is-selected? n) (send wx selected? n)))]
[set (entry-point (lambda (l . more)
(let ([cwho '(method list-box% set)])
(unless (= num-columns (+ 1 (length more)))
(raise-arguments-error (who->name cwho)
"column count doesn't match argument count"
"column count" num-columns
"argument count" (add1 (length more))))
(for ([l (in-list (cons l more))])
(unless (and (list? l) (andmap label-string? l))
(raise-argument-error (who->name cwho) "(listof label-string?)" l)))
(for ([more-l (in-list more)])
(unless (= (length more-l) (length l))
(raise-arguments-error
(who->name cwho)
"first list length does not match length of later argument"
"first list length" (length l)
"larger argument length" (length more-l)))))
(send this -set-list-strings l)
(send wx set l . more)))]
[set-string (entry-point
(lambda (n d [col 0])
(let ([cwho '(method list-box% set-string)])
(check-non-negative-integer cwho n) ; int error before string
(check-label-string cwho d) ; string error before range mismatch
(unless (exact-nonnegative-integer? col)
(raise-argument-error (who->name cwho) "exact-nonnegative-integer?" col))
(unless (< -1 col num-columns)
(raise-range-error (who->name cwho)
"list box" "column "
col
this
0
(sub1 num-columns)
#f)))
(check-item 'set-string n)
(send this -set-list-string n d)
(send wx set-string n d col)))]
[set-data (entry-point (lambda (n d) (check-item 'set-data n) (send wx set-data n d)))]
[get-first-visible-item (entry-point (lambda () (send wx get-first-item)))]
[set-first-visible-item (entry-point (lambda (n)
(check-item 'set-first-visible-item n)
(send wx set-first-visible-item n)))]
[select (entry-point
(case-lambda
[(n) (check-item 'select n) (send wx select n #t)]
[(n on?) (check-item 'select n) (send wx select n on?)]))])
(define wx #f)
(private*
[check-item
(entry-point
(lambda (method n)
(check-non-negative-integer `(method list-box% ,method) n)
(let ([m (send wx number)])
(unless (< n m)
(raise-range-error (who->name `(method list-box% ,method))
"list box" "item "
n
this
0
(sub1 m)
#f)))))])
(super-new
[mk-wx
(lambda ()
(let-values ([(kind style)
(cond
[(memq 'single style) (values 'single (remq 'single style))]
[(memq 'multiple style) (values 'multiple (remq 'multiple style))]
[else (values 'extended (remq 'extended style))])])
(set! wx (make-object wx-list-box% this this
(mred->wx-container parent) (wrap-callback callback)
label kind
-1 -1 -1 -1 choices style
(no-val->#f font) (no-val->#f label-font)
column-labels
column-order)))
wx)]
[mismatches
(lambda ()
(let ([cwho '(constructor list-box)])
(check-container-ready cwho parent)
(when selection
(check-list-control-selection cwho choices selection))))]
[label label]
[parent parent]
[selection (and (pair? choices) selection)]
[callback callback]
[init-choices choices]
[font font]
[enabled enabled]
[horiz-margin horiz-margin]
[vert-margin vert-margin]
[min-width min-width]
[min-height min-height]
[stretchable-width stretchable-width]
[stretchable-height stretchable-height])))