Hi, sorry for the late response, I was on holidays
El mar, 24-07-2018 a las 17:58 +0200, Marc-André Lureau escribió:
> On Mon, Jul 16, 2018 at 6:45 PM, Javier Celaya<javier.celaya@flexvdi.
> com> wrote:The main channel reference d->main of SpiceWidget is
> initialized onconstruction. However, it is used a couple of times
> before that momentwhile setting the default values of some
> properties, like resize-guest.This results in some annoying critical
> log messages. This commit makessure that d->main is not used in such
> situations if it is NULL.
> Could you provide a reproducer of such warnings? I don't remember
> seeing one.
I see them each time I connect to a Spice session with spicy. Follow
me:- These warnings appear because d->main is NULL.- d->main is set in
spice-widget.c:channel_new function, when the new channel is the main
channel.- channel_new is called from spice_display_constructed with the
list of channels that already exist; obviously, the main channel is one
of them.- There are SpiceDisplay properties that are set during
construction, before spice_display_constructed is called, that trigger
the code I am fixing with this patch. For instance, after setting
"resize-guest" to its default value TRUE, update_ready is called.So I
do not see how you are not seeing these warnings. It does not seem to
be a race condition, it happens always.
> --- src/spice-widget.c | 4 ++-- 1 file changed, 2 insertions(+), 2
> deletions(-)
> diff --git a/src/spice-widget.c b/src/spice-widget.cindex
> 72f5334..5187b0c 100644--- a/src/spice-widget.c+++ b/src/spice-
> widget.c@@ -255,7 +255,7 @@ static void update_ready(SpiceDisplay
> *display) * state here. If 'resize-guest' is false, we can
> assume that the * application will manage the state of the
> displays. */- if (d->resize_guest_enable) {+ if (d-
> >resize_guest_enable && d->main)
> { spice_main_channel_update_display_enabled(d->main,
> get_display_id(display), ready, TRUE); }
> @@ -1247,7 +1247,7 @@ static void recalc_geometry(GtkWidget
> *widget) d->area.width, d-
> >area.height, d->ww, d->wh, zoom);
> - if (d->resize_guest_enable)+ if (d->resize_guest_enable && d-
> >main) spice_main_channel_update_display(d->main,
> get_display_id(display), d-
> >area.x, d->area.y, d->ww / zoom, d->wh / zoom, TRUE);
> It looks like this may not give you the desired display size.
Again, the warning happens when the property "scaling" is set during
SpiceDisplay construction, which calls scaling_update. You cannot call
spice_main_channel_update_display with d->main == NULL, so this check
is harmless.
> }--2.17.0
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>
--
Javier Celaya Alastrué
Chief Technology Officer
javier.cel...@flexvdi.com
+34696969959
j_celaya
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