def set_primary_monitor(monitor):
"""Set *monitor* to be the primary monitor.
:param int monitor: Must be between 0 and the number of configured
monitors.
:raises: **ValueError** if an invalid monitor is specified.
:raises: **BlacklistedDriverError** if your video driver does not
support this.
"""
try:
glxinfo_out = subprocess.check_output("glxinfo")
except OSError as e:
raise OSError("Failed to run glxinfo: %s. (do you have mesa-utils installed?)" % e)
for dri in _blacklisted_drivers:
if dri in glxinfo_out:
raise Display.BlacklistedDriverError('Impossible change the primary monitor for the given driver')
num_monitors = Display.create().get_num_screens()
if monitor < 0 or monitor >= num_monitors:
raise ValueError('Monitor %d is not in valid range of 0 <= monitor < %d.' % (num_monitors))
default_screen = Gdk.Screen.get_default()
monitor_name = default_screen.get_monitor_plug_name(monitor)
if not monitor_name:
raise ValueError('Could not get monitor name from monitor number %d.' % (monitor))
ret = os.spawnlp(os.P_WAIT, "xrandr", "xrandr", "--output", monitor_name, "--primary")
if ret != 0:
raise RuntimeError('Xrandr can\'t set the primary monitor. error code: %d' % (ret))
monitors.
:raises: **ValueError** if an invalid monitor is specified.
:raises: **BlacklistedDriverError** if your video driver does not
support this.
"""
try:
glxinfo_out = subprocess.check_output("glxinfo")
except OSError, e:
raise OSError(
"Failed to run glxinfo: %s. (do you have mesa-utils installed?)" %
e)
for dri in _blacklisted_drivers:
if dri in glxinfo_out:
raise Display.BlacklistedDriverError(
'Impossible change the primary monitor for the given driver')
num_monitors = Display.create().get_num_screens()
if monitor < 0 or monitor >= num_monitors:
raise ValueError(
'Monitor %d is not in valid range of 0 <= monitor < %d.' %
(num_monitors))
default_screen = Gdk.Screen.get_default()
monitor_name = default_screen.get_monitor_plug_name(monitor)
if not monitor_name:
raise ValueError('Could not get monitor name from monitor number %d.' %
(monitor))
ret = os.spawnlp(os.P_WAIT, "xrandr", "xrandr", "--output", monitor_name,