255 lines
10 KiB
Racket
255 lines
10 KiB
Racket
(module mrpanel mzscheme
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(require mzlib/class
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mzlib/class100
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(prefix wx: "kernel.ss")
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"lock.ss"
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"const.ss"
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"check.ss"
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"helper.ss"
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"wx.ss"
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"kw.ss"
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"wxpanel.ss"
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"mrwindow.ss"
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"mrcontainer.ss")
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(provide pane%
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vertical-pane%
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horizontal-pane%
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grow-box-spacer-pane%
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panel%
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vertical-panel%
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horizontal-panel%
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tab-panel%
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group-box-panel%)
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(define-keywords pane%-keywords
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subarea%-keywords
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container%-keywords
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area%-keywords)
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(define-local-member-name get-initial-label)
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(define pane%
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(class100*/kw (make-subarea% (make-container% area%)) ()
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[(parent) pane%-keywords]
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(private-field [wx #f])
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(sequence
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(let* ([who (cond ; yuck! - we do this to make h-p and v-p subclasses of p
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[(is-a? this vertical-pane%) 'vertical-pane]
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[(is-a? this horizontal-pane%) 'horizontal-pane]
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[(is-a? this grow-box-spacer-pane%) 'grow-box-spacer-pane]
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[else 'pane])]
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[cwho `(constructor ,who)])
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(check-container-parent cwho parent)
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(as-entry
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(lambda ()
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(super-init (lambda ()
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(set! wx (make-object (case who
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[(vertical-pane) wx-vertical-pane%]
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[(horizontal-pane) wx-horizontal-pane%]
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[(grow-box-spacer-pane) wx-grow-box-pane%]
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[else wx-pane%])
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this this (mred->wx-container parent) null
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#f))
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wx)
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(lambda () wx)
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(lambda () wx)
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(lambda ()
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(check-container-ready cwho parent))
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parent)
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(send (send wx area-parent) add-child wx)))
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(send parent after-new-child this)))))
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(define vertical-pane% (class100*/kw pane% () [(parent) pane%-keywords] (sequence (super-init parent))))
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(define horizontal-pane% (class100*/kw pane% () [(parent) pane%-keywords] (sequence (super-init parent))))
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(define grow-box-spacer-pane% (class100*/kw pane% () [(parent) pane%-keywords] (sequence (super-init parent))))
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(define-keywords panel%-keywords
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window%-keywords
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subarea%-keywords
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container%-keywords
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area%-keywords)
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(define panel%
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(class100*/kw (make-subwindow%
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(make-area-container-window%
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(make-window% #f (make-subarea% (make-container% area%)))) )
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(subwindow<%>)
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[(parent [style null]) panel%-keywords]
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(private-field [wx #f])
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(public [get-initial-label (lambda () #f)])
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(sequence
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(let* ([who (cond ; yuck! - we do this to make h-p and v-p subclasses of p
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[(is-a? this tab-panel%) 'tab-panel]
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[(is-a? this group-box-panel%) 'group-box-panel]
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[(is-a? this vertical-panel%) 'vertical-panel]
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[(is-a? this horizontal-panel%) 'horizontal-panel]
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[else 'panel])]
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[cwho `(constructor ,who)]
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[can-canvas? (memq who '(vertical-panel
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horizontal-panel
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panel))]
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[as-canvas? (lambda () (or (memq 'vscroll style)
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(memq 'auto-vscroll style)
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(memq 'hscroll style)
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(memq 'auto-hscroll style)))])
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(check-container-parent cwho parent)
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(check-style cwho #f (append '(border deleted)
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(if can-canvas?
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'(hscroll vscroll auto-hscroll auto-vscroll)
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null))
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style)
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(as-entry
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(lambda ()
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(super-init (lambda () (set! wx (make-object (case who
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[(vertical-panel)
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(if (as-canvas?)
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wx-vertical-canvas-panel%
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wx-vertical-panel%)]
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[(tab-panel) wx-vertical-tab-panel%]
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[(group-box-panel) wx-vertical-group-panel%]
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[(horizontal-panel)
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(if (as-canvas?)
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wx-horizontal-canvas-panel%
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wx-horizontal-panel%)]
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[else (if (as-canvas?)
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wx-canvas-panel%
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wx-panel%)])
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this this (mred->wx-container parent)
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(cons 'transparent style)
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(get-initial-label)))
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wx)
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(lambda () wx)
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(lambda () wx)
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(lambda () (check-container-ready cwho parent))
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#f parent #f)
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(unless (memq 'deleted style)
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(send (send wx area-parent) add-child wx))))
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(send parent after-new-child this)))))
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(define vertical-panel%
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(class100*/kw panel% ()
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[(parent [style null]) panel%-keywords]
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(sequence (super-init parent style))
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(public [set-orientation (λ (x) (send (mred->wx this) set-orientation x))]
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[get-orientation (λ () (send (mred->wx this) get-orientation))])))
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(define horizontal-panel%
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(class100*/kw panel% ()
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[(parent [style null]) panel%-keywords]
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(sequence (super-init parent style))
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(public [set-orientation (λ (x) (send (mred->wx this) set-orientation x))]
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[get-orientation (λ () (send (mred->wx this) get-orientation))])))
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(define list-append append)
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(define tab-panel%
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(class100*/kw vertical-panel% ()
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[(choices parent [callback (lambda (b e) (void))] [style null] [font no-val]) panel%-keywords]
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(private-field [save-choices choices])
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(override [get-initial-label (lambda () save-choices)])
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(sequence
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(let ([cwho '(constructor tab-panel)])
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(unless (and (list? choices) (andmap label-string? choices))
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(raise-type-error (who->name cwho) "list of strings (up to 200 characters)" choices))
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(check-callback cwho callback)
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(check-container-parent cwho parent)
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(check-style cwho #f '(deleted no-border) style)
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(check-font cwho font))
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(super-init parent (if (memq 'no-border style)
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(if (eq? (car style) 'no-border)
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(cdr style)
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(list (car style)))
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(cons 'border style)))
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(send (mred->wx this) set-callback (lambda (wx e) (callback (wx->mred wx) e))))
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(public
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[get-number (lambda () (length save-choices))]
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[append (entry-point
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(lambda (n)
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(check-label-string '(method tab-panel% append) n)
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(let ([n (string->immutable-string n)])
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(set! save-choices (list-append save-choices (list n)))
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(send (mred->wx this) append n))))]
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[get-selection (lambda () (and (pair? save-choices)
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(send (mred->wx this) get-selection)))]
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[set-selection (entry-point
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(lambda (i)
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(check-item 'set-selection i)
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(send (mred->wx this) set-selection i)))]
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[delete (entry-point
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(lambda (i)
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(check-item 'delete i)
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(set! save-choices (let loop ([p 0][l save-choices])
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(if (= p i)
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(cdr l)
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(cons (car l) (loop (add1 p) (cdr l))))))
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(send (mred->wx this) delete i)))]
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[set-item-label (entry-point
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(lambda (i s)
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(check-item 'set-item-label i)
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(check-label-string '(method tab-panel% set-item-label) s)
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(let ([s (string->immutable-string s)])
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(set! save-choices (let loop ([save-choices save-choices][i i])
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(if (zero? i)
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(cons s (cdr save-choices))
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(cons (car save-choices) (loop (cdr save-choices) (sub1 i))))))
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(send (mred->wx this) set-label i s))))]
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[set
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(entry-point (lambda (l)
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(unless (and (list? l) (andmap label-string? l))
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(raise-type-error (who->name '(method tab-panel% set))
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"list of strings (up to 200 characters)" l))
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(set! save-choices (map string->immutable-string l))
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(send (mred->wx this) set l)))]
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[get-item-label (entry-point
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(lambda (i)
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(check-item 'get-item-label i)
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(list-ref save-choices i)))])
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(private
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[check-item
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(lambda (method n)
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(check-non-negative-integer `(method tab-panel% ,method) n)
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(let ([m (length save-choices)])
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(unless (< n m)
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(raise-mismatch-error (who->name `(method tab-panel% ,method))
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(if (zero? m)
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"panel has no tabs; given index: "
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(format "panel has only ~a tabs, indexed 0 to ~a; given out-of-range index: "
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m (sub1 m)))
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n))))])))
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(define group-box-panel%
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(class100*/kw vertical-panel% ()
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[(label parent [style null] [font no-val]) panel%-keywords]
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(private-field
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[lbl label])
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(override [get-initial-label (lambda () lbl)])
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(sequence
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(let ([cwho '(constructor group-box-panel)])
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(check-label-string cwho label)
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(check-container-parent cwho parent)
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(check-style cwho #f '(deleted) style)
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(check-font cwho font))
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;; Technically a bad way to change margin defaults, since it's
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;; implemented with an update after creation:
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(when (eq? horiz-margin no-val) (set! horiz-margin 2))
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(when (eq? vert-margin no-val) (set! vert-margin 2))
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(super-init parent (if (memq 'deleted style)
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'(deleted)
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null)))
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(override
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[set-label (entry-point
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(lambda (s)
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(check-label-string '(method group-box-panel% set-label) s)
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(set! lbl (if (immutable? s)
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s
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(string->immutable-string s)))
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(send (mred->wx this) set-label s)))]
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[get-label (lambda () lbl)]))))
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