[Spice-devel] [vdagent-linux 1/2] randr: remove monitors.xml on auto-configuration

[Marc-André Lureau]

ping


On Wed, Aug 27, 2014 at 7:22 PM, Marc-André Lureau <
marcandre.lureau at redhat.com> wrote:

> From: Marc-Andre Lureau <marcandre.lureau at redhat.com>
>
> GNOME will restore monitors.xml configuration whenever the timestamp
> "config > change". The "change" timestamp is the last user applied
> configuration, whereas the "config" timestamp is updated when
> the screen is updated or ouput/crtc modes are added/removed.
>
> These condition are triggered by vdagent during monitor config. Since we
> can't control the timestamps (playing with delay will be inherently
> event more racy), the only sane way I can think of is to disable gsd
> behaviour. This can be achieved by deleting the ~/.config/monitors.xml,
> which is the intended configuration to restore, so vdagent will override
> whatever configuration was saved previously.
>
> Somehow, if vdagent would be better integrated with gnome2, it would use
> the gnome-rr and/or org.gnome.SettingsDaemon.XRANDR dbus
> API. Thanksfully, in gnome3, the monitor auto-configuration has been
> merged in.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1086657
> ---
>  src/vdagent-x11-randr.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/src/vdagent-x11-randr.c b/src/vdagent-x11-randr.c
> index 46367bc..5faaee6 100644
> --- a/src/vdagent-x11-randr.c
> +++ b/src/vdagent-x11-randr.c
> @@ -21,6 +21,7 @@
>      along with this program.  If not, see <http://www.gnu.org/licenses/>.
>  */
>
> +#include <glib.h>
>  #include <string.h>
>  #include <syslog.h>
>  #include <stdlib.h>
> @@ -745,6 +746,10 @@ void vdagent_x11_set_monitor_config(struct
> vdagent_x11 *x11,
>          goto exit;
>      }
>
> +    gchar *config = g_build_filename (g_get_user_config_dir (),
> "monitors.xml", NULL);
> +    g_unlink(config);
> +    g_free(config);
> +
>      for (i = mon_config->num_of_monitors; i < x11->randr.res->noutput;
> i++)
>          xrandr_disable_output(x11, i);
>
> --
> 1.9.3
>
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>



-- 
Marc-André Lureau
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