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racket/gui gtk: fix reference count on widget extracted in choice%

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Incorrect referencing causes crashes on Kubuntu, for example.
This commit is contained in:
Matthew Flatt 2014-03-13 06:39:54 -06:00
parent 88af96f19a
commit 8cbcba8ed2
1 changed files with 3 additions and 1 deletions
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4
pkgs/gui-pkgs/gui-lib/mred/private/wx/gtk/combo.rkt
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@ -85,7 +85,9 @@
ext) ext)
(unless (= 1 (length all)) (unless (= 1 (length all))
(error "expected Gtk combobox to have one private child")) (error "expected Gtk combobox to have one private child"))
(car all))) (define combo-gtk (car all))
(gobject-ref combo-gtk)
combo-gtk))
;; More dependence on the implemenation of GtkComboBox: ;; More dependence on the implemenation of GtkComboBox:
;; The memnu-popup action is implemented by seeting a button-press-event ;; The memnu-popup action is implemented by seeting a button-press-event