def get_modes(self):
if not _have_xf86vmode:
return []
if self._xinerama:
# If Xinerama/TwinView is enabled, xf86vidmode's modelines
# correspond to metamodes, which don't distinguish one screen from
# another. XRandR (broken) or NV (complicated) extensions needed.
return []
count = ctypes.c_int()
info_array = \
ctypes.POINTER(ctypes.POINTER(xf86vmode.XF86VidModeModeInfo))()
xf86vmode.XF86VidModeGetAllModeLines(
self.display._display, self.display.x_screen, count, info_array)
# Copy modes out of list and free list
modes = []
for i in range(count.value):
info = xf86vmode.XF86VidModeModeInfo()
ctypes.memmove(ctypes.byref(info),
ctypes.byref(info_array.contents[i]),
ctypes.sizeof(info))
modes.append(XlibScreenMode(self, info))
if info.privsize:
xlib.XFree(info.private)
xlib.XFree(info_array)
return modes
def get_modes_array(display, screen):
count = ctypes.c_int()
modes = ctypes.POINTER(ctypes.POINTER(xf86vmode.XF86VidModeModeInfo))()
xf86vmode.XF86VidModeGetAllModeLines(display, screen, count, modes)
return modes, count.value
