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#!/usr/bin/env python
###########################################################################
# xf86misc.py - #
# ------------------------------ #
# copyright : (C) 2004 by Simon Edwards #
# email : simon@simonzone.com #
# #
###########################################################################
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
###########################################################################
"""A simple interface for changing the current gamma setting under XFree86.
"""
import ixf86misc
import os, time
class XF86Screen(object):
RR_Rotate_0 = 1
RR_Rotate_90 = 2
RR_Rotate_180 = 4
RR_Rotate_270 = 8
RR_Reflect_X = 16
RR_Reflect_Y = 32
def __init__(self,display,screenid):
self.screenid = screenid
self.display = display
self.ssinfo = None
self.starttime = time.time()
self.resettime = 0
self.lastidle = 0
self.screenconfig = None
self._load()
def _load(self):
# Check for the presence of the xrandr extension.
try:
(rc,x,y) = ixf86misc.XRRQueryExtension(self.display)
if rc==0:
return
except AttributeError as errmsg:
print("Trapped AttributeError:", errmsg, " - attempting to continue.")
return
self.screenconfig = ixf86misc.XRRGetScreenInfo(self.display, ixf86misc.RootWindow(self.display, self.screenid))
if self.screenconfig is not None:
(self.currentsizeid,self.currentrotation) = ixf86misc.XRRConfigCurrentConfiguration(self.screenconfig)
self.availablerotations = ixf86misc.XRRRotations(self.display, self.screenid)
self.sizes = ixf86misc.XRRSizes(self.display, self.screenid)
self.currentrefreshrate = ixf86misc.XRRConfigCurrentRate(self.screenconfig)
def resolutionSupportAvailable(self):
return self.screenconfig is not None
def getScreenId(self):
return self.screenid
def getGamma(self):
return ixf86misc.GetGamma(self.display,self.screenid)
def setGamma(self,gammatuple):
ixf86misc.SetGamma(self.display,self.screenid,gammatuple[0],gammatuple[1],gammatuple[2])
def getRotation(self):
return self.currentrotation
def getAvailableRotations(self):
return self.availablerotations
def getSize(self):
return self.sizes[self.currentsizeid]
def getSizeID(self):
return self.currentsizeid
def getAvailableSizes(self):
return self.sizes[:]
def getRefreshRate(self):
return self.currentrefreshrate
def getAvailableRefreshRates(self,sizeid):
return ixf86misc.XRRRates(self.display,self.screenid,sizeid)
def setScreenConfigAndRate(self, sizeid, rotation, refresh):
rc = ixf86misc.XRRSetScreenConfigAndRate(self.display, self.screenconfig, \
ixf86misc.RootWindow(self.display, self.screenid), sizeid, rotation, refresh)
#ixf86misc.XRRConfigTimes(self.screenconfig) \
self._load()
return rc # FIXME handle failures due to the timestamp.
def getDimensions(self):
return ixf86misc.DisplaySize(self.display,self.screenid)
def getIdleSeconds(self):
data = self.__getScreenSaverInfo()
if data is None:
return 0
(state, kind, til_or_since, idle) = data
idletime = idle/1000.0
if (self.lastidle > idletime) or (self.resettime > idletime): # Something has moved in the meantime
self.starttime = 0
self.resettime = 0
else:
idletime = idletime - self.resettime
self.lastidle = idletime
return idletime
def resetIdleSeconds(self):
self.resettime = time.time() - self.starttime
# See man XScreenSaver(3)
def __getScreenSaverInfo(self):
if self.ssinfo is None:
if ixf86misc.XScreenSaverQueryExtension(self.display):
self.ssinfo = ixf86misc.XScreenSaverAllocInfo()
else:
return 0 # Error actually.
return ixf86misc.XScreenSaverQueryInfo(self.display,
ixf86misc.RootWindow(self.display, self.screenid), self.ssinfo)
class XF86Server(object):
def __init__(self,displayname=None):
if displayname==None:
if 'DISPLAY' in os.environ:
displayname = os.environ['DISPLAY']
else:
displayname = ":0.0"
self.displayname = displayname
self.display = ixf86misc.XOpenDisplay(displayname)
if self.display is None:
raise XF86Error("Couldn't connect to X server.")
self._defaultscreen = ixf86misc.DefaultScreen(self.display)
self.screens = []
for i in range(ixf86misc.ScreenCount(self.display)):
self.screens.append(XF86Screen(self.display,i))
def getDefaultScreen(self):
return self.screens[self._defaultscreen]
def getDisplay(self):
return self.display
def getDisplayName(self):
return self.displayname
def getScreens(self):
return self.screens[:]
def resolutionSupportAvailable(self):
return self.screens[0].resolutionSupportAvailable()
class XF86Error(Exception):
"""Just an exception when some goes wrong with X."""
if __name__=='__main__':
xg = XF86Server()
xs = xg.getDefaultScreen()
print("Number of screens:",str(len(xg.screens)))
print("Idle seconds:",xs.getIdleSeconds())
print()
print("Gamma:"+str(xs.getGamma()))
print()
if xg.resolutionSupportAvailable():
print("SizeID:"+str(xs.getSizeID()))
print("Size:"+str(xs.getSize()))
sizes = xs.getAvailableSizes()
print("Available Sizes:" + str(sizes))
print()
print("Rotation:" + str(xs.getRotation()))
print("Available Rotations:" + str(xs.getAvailableRotations()))
print()
print("Refresh rate:" + str(xs.getRefreshRate()))
print("Refresh rates for the current screen:"+str(xs.getAvailableRefreshRates(xs.getSizeID())))
for i in range(len(sizes)):
print("All Refresh Rates:"+str(xs.getAvailableRefreshRates(i)))
xs.setScreenConfigAndRate(0,1,75)
print("SizeID:"+str(xs.getSizeID()))
print("Size:"+str(xs.getSize()))
sizes = xs.getAvailableSizes()
print("Available Sizes:" + str(sizes))
else:
print("(no resolution / randr support available)")
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