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gtk: keep popup menus on the screen

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Closes PR 11414
This commit is contained in:
Matthew Flatt 2011-02-19 19:42:20 -07:00
parent 85951bf665
commit 97870282c2
1 changed files with 18 additions and 2 deletions
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20
collects/mred/private/wx/gtk/menu.rkt
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@ -33,6 +33,10 @@
_pointer _uint _uint32 _pointer _uint _uint32
-> _void)) -> _void))
(define-gtk gtk_widget_get_screen (_fun _GtkWidget -> _GdkScreen))
(define-gdk gdk_screen_get_width (_fun _GdkScreen -> _int))
(define-gdk gdk_screen_get_height (_fun _GdkScreen -> _int))
(define-signal-handler connect-menu-item-activate "activate" (define-signal-handler connect-menu-item-activate "activate"
(_fun _GtkWidget -> _void) (_fun _GtkWidget -> _void)
(lambda (gtk) (lambda (gtk)
@ -122,8 +126,20 @@
#f #f
#f #f
(lambda (menu _x _y _push) (lambda (menu _x _y _push)
(ptr-set! _x _int x) (let ([r (make-GtkRequisition 0 0)])
(ptr-set! _y _int y) (gtk_widget_size_request menu r)
;; Try to keep the menu on the screen:
(let* ([s (gtk_widget_get_screen menu)]
[sw (gdk_screen_get_width s)]
[sh (gdk_screen_get_height s)])
(ptr-set! _x _int (min x
(max 0
(- sw
(GtkRequisition-width r)))))
(ptr-set! _y _int (min y
(max 0
(- sh
(GtkRequisition-height r)))))))
(ptr-set! _push _gboolean #t)) (ptr-set! _push _gboolean #t))
#f #f
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