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_screens(self):
if self._screens:
return self._screens
if _have_xinerama and xinerama.XineramaIsActive(self._display):
number = c_int()
infos = xinerama.XineramaQueryScreens(self._display,
byref(number))
infos = cast(infos,
POINTER(xinerama.XineramaScreenInfo * number.value)).contents
self._screens = []
using_xinerama = number.value > 1
for info in infos:
self._screens.append(XlibScreen(self,
info.x_org,
info.y_org,
info.width,
info.height,
using_xinerama))
xlib.XFree(infos)
else:
# No xinerama
screen_info = xlib.XScreenOfDisplay(self._display, self.x_screen)
screen = XlibScreen(self,
0, 0,
screen_info.contents.width,
screen_info.contents.height,
False)
self._screens = [screen]
return self._screens
def free_modes_array(modes, n_modes):
for i in range(n_modes):
mode = modes.contents[i]
if mode.privsize:
xlib.XFree(mode.private)
xlib.XFree(modes)
