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cocoa: fix problem with tab panel

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This commit is contained in:
Matthew Flatt 2010-11-28 10:41:59 -07:00
parent 36669b821a
commit d37cc7b3ec
1 changed files with 16 additions and 1 deletions
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17
collects/mred/private/wx/cocoa/tab-panel.rkt
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@ -29,6 +29,17 @@
(import-class NSView NSTabView NSTabViewItem PSMTabBarControl)
(import-protocol NSTabViewDelegate)
(define NSOrderedAscending -1)
(define NSOrderedSame 0)
(define NSOrderedDescending 1)
(define (order-content-first a b data)
(cond
[(ptr-equal? a data) NSOrderedDescending]
[(ptr-equal? b data) NSOrderedAscending]
[else NSOrderedSame]))
(define order_content_first (function-ptr order-content-first
(_fun #:atomic? #t _id _id _id -> _int)))
(define-objc-class MyTabView NSTabView
#:mixins (FocusResponder KeyMouseResponder CursorDisplayer)
[wxb]
@ -131,7 +142,11 @@
(tell (tell NSTabViewItem alloc) initWithIdentifier: #f))])
(tellv item setLabel: #:type _NSString (label->plain-label lbl))
(tellv tabv-cocoa addTabViewItem: item)
(set! item-cocoas (append item-cocoas (list item)))))
(set! item-cocoas (append item-cocoas (list item)))
;; Sometimes the sub-view for the tab buttons gets put in front
;; of the content view, so fix the order:
(tellv tabv-cocoa sortSubviewsUsingFunction: #:type _fpointer order_content_first
context: #:type _pointer content-cocoa)))
(define/public (delete i)
(let ([item-cocoa (list-ref item-cocoas i)])