[Sugar-devel] [PATCH] Make the child window of the event box insisible

[Manuel Quiñones]

2012/6/21 Simon Schampijer <simon at schampijer.de>:
> We do use the EventBox only to receive events, hence the
> window that the even box creates should be a GDK_INPUT_ONLY
> window, which means that it is invisible and only serves to
> receive events [1].

And that's exactly what we need.

> A test program to see this is at [2].
>
> [1] http://developer.gnome.org/gtk3/3.4/GtkEventBox.html#gtk-event-box-set-visible-window
> [2] dev.laptop.org/~erikos/shell_port/invisible_window.py

The test program was very helpful, running it from terminal activity
(was giving warnings like "No icon with the name computer-xo was found
in the theme").

>
> Signed-off-by: Simon Schampijer <simon at laptop.org>

Reviewed-by: Manuel Quiñones <manuq at laptop.org>

> ---
>  src/sugar3/graphics/icon.py |    2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/src/sugar3/graphics/icon.py b/src/sugar3/graphics/icon.py
> index 970446a..d99af7d 100644
> --- a/src/sugar3/graphics/icon.py
> +++ b/src/sugar3/graphics/icon.py
> @@ -561,6 +561,8 @@ class EventIcon(Gtk.EventBox):
>     def __init__(self, **kwargs):
>         Gtk.EventBox.__init__(self)
>
> +        self.set_visible_window(False)
> +
>         self._icon = Icon()
>         for key, value in kwargs.iteritems():
>             self._icon.set_property(key, value)
> --
> 1.7.10.4
>
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-- 
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