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gtkapplication-dbus: Initialise screensaver-active property

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When GtkApplication starts listening to the screensaver's D-Bus
status, the screensaver-active property is not initialised and
applications making use of the property are out of sync until the
first state change.  Any application starting when the screensaver is
active will think it's inactive.

To fix this, we set the property when we first start monitoring the
screensaver.

See https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/1091
This commit is contained in:
Bob Ham 2019-09-06 14:59:07 +01:00 committed by Alexander Mikhaylenko
parent ddb7cab4ac
commit 6f6b5faaa2
1 changed files with 23 additions and 0 deletions
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23
gtk/gtkapplication-dbus.c
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@ -329,8 +329,31 @@ gtk_application_impl_dbus_startup (GtkApplicationImpl *impl,
if (dbus->ss_proxy)
{
GVariant *active_var;
gboolean active;
g_signal_connect (dbus->ss_proxy, "g-signal",
G_CALLBACK (screensaver_signal_session), impl->application);
active_var = g_dbus_proxy_call_sync (dbus->ss_proxy,
"GetActive",
NULL,
G_DBUS_CALL_FLAGS_NONE,
G_MAXINT,
NULL,
&error);
if (!active_var)
{
g_debug ("Error calling GetActive on GNOME screensaver: %s",
error->message);
g_clear_error (&error);
}
else
{
g_variant_get (active_var, "(b)", &active);
g_variant_unref (active_var);
gtk_application_set_screensaver_active (dbus->impl.application, active);
}
}
g_debug ("Registering client '%s' '%s'", dbus->application_id, client_id);