Added within-main-loop and call-from-main-loop macros; ensured single initialization...
[cl-gtk2.git] / gtk / gtk.misc.lisp
1 (in-package :gtk)
2
3 (defcallback stable-pointer-free-destroy-notify-callback :void ((data :pointer))
4   (free-stable-pointer data))
5
6 (defcfun (get-clipboard "gtk_clipboard_get") g-object
7   (selection gdk-atom-as-string))
8
9 (export 'get-clipboard)
10
11 (defcallback call-from-main-loop-callback :boolean
12     ((data :pointer))
13   (restart-case
14       (progn (funcall (get-stable-pointer-value data))
15              nil)
16     (return-from-callback () nil)))
17
18 (defun call-from-gtk-main-loop (function &key (priority +g-priority-default-idle+))
19   (g-idle-add-full priority
20                    (callback call-from-main-loop-callback)
21                    (allocate-stable-pointer function)
22                    (callback stable-pointer-free-destroy-notify-callback)))
23
24 (export 'call-from-gtk-main-loop)
25
26 (defmacro within-main-loop (&body body)
27   `(call-from-gtk-main-loop (lambda () ,@body)))
28
29 (export 'within-main-loop)