def get_output_property(display_no=0, property_name=None,
property_type=XA_CARDINAL, x_hostname="",
x_display_no=0, x_screen_no=0):
xrandr_output_xid = RDSMM.GetXRandROutputXID(display_no)
if not xrandr_output_xid:
raise ValueError("Invalid display number %r specified or XrandR "
"unsupported" % display_no)
display = get_display()
if not x_hostname:
x_hostname = display[0]
if not x_display_no:
x_display_no = display[1]
if not x_screen_no:
x_screen_no = display[2]
display = "%s:%i.%i" % (x_hostname, x_display_no, x_screen_no)
x_display = libx11.XOpenDisplay(display)
if not x_display:
libx11.XCloseDisplay(x_display)
raise ValueError("Invalid X display %r" % display)
x_atom = libx11.XInternAtom(x_display, property_name, False)
if not x_atom:
libx11.XCloseDisplay(x_display)
raise ValueError("Invalid property name %r" % property_name)
ret_type, ret_format, ret_len, ret_togo, atomv = (c_ulong(),
c_int(),
c_ulong(),
c_ulong(),
pointer(c_ubyte()))
property = None
if libxrandr.XRRGetOutputProperty(x_display,
xrandr_output_xid,
x_atom, 0, 0x7ffffff, False, False,
property_type, ret_type, ret_format,
ret_len, ret_togo, atomv) == 0 and \
ret_len.value > 0:
if debug:
print "ret_type:", ret_type.value
print "ret_format:", ret_format.value
print "ret_len:", ret_len.value
print "ret_togo:", ret_togo.value
property = [atomv[i] for i in xrange(ret_len.value)]
libx11.XCloseDisplay(x_display)
return property
def get_atom(atom_name=None, atom_type=XA_CARDINAL, x_hostname="",
x_display_no=0, x_screen_no=0):
display = get_display()
if not x_hostname:
x_hostname = display[0]
if not x_display_no:
x_display_no = display[1]
if not x_screen_no:
x_screen_no = display[2]
display = "%s:%i.%i" % (x_hostname, x_display_no, x_screen_no)
x_display = libx11.XOpenDisplay(display)
if not x_display:
libx11.XCloseDisplay(x_display)
raise ValueError("Invalid X display %r" % display)
x_window = libx11.XRootWindow(x_display, x_screen_no)
if not x_window:
libx11.XCloseDisplay(x_display)
raise ValueError("Invalid X screen %r" % x_screen_no)
x_atom = libx11.XInternAtom(x_display, atom_name, True)
if not x_atom:
libx11.XCloseDisplay(x_display)
raise ValueError("Invalid atom name %r" % atom_name)
ret_type, ret_format, ret_len, ret_togo, atomv = (c_ulong(),
c_int(),
c_ulong(),
c_ulong(),
pointer(c_ubyte()))
property = None
if libx11.XGetWindowProperty(x_display, x_window,
x_atom, 0, 0x7ffffff, False, atom_type,
ret_type, ret_format, ret_len, ret_togo,
atomv) == 0 and ret_len.value > 0:
if debug:
print "ret_type:", ret_type.value
print "ret_format:", ret_format.value
print "ret_len:", ret_len.value
print "ret_togo:", ret_togo.value
property = [atomv[i] for i in xrange(ret_len.value)]
libx11.XCloseDisplay(x_display)
return property
