233 lines
6.8 KiB
Python
233 lines
6.8 KiB
Python
# Xlib.ext.dpms -- X Display Power Management Signaling
|
|
#
|
|
# Copyright (C) 2020 Thiago Kenji Okada <thiagokokada@gmail.com>
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public License
|
|
# as published by the Free Software Foundation; either version 2.1
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
# See the GNU Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the
|
|
# Free Software Foundation, Inc.,
|
|
# 59 Temple Place,
|
|
# Suite 330,
|
|
# Boston, MA 02111-1307 USA
|
|
|
|
'''
|
|
This extension provides X Protocol control over the VESA Display
|
|
Power Management Signaling (DPMS) characteristics of video boards
|
|
under control of the X Window System.
|
|
|
|
Documentation: https://www.x.org/releases/X11R7.7/doc/xextproto/dpms.html
|
|
'''
|
|
|
|
from Xlib.protocol import rq
|
|
|
|
extname = 'DPMS'
|
|
|
|
|
|
# DPMS Extension Power Levels
|
|
# 0 DPMSModeOn In use
|
|
# 1 DPMSModeStandby Blanked, low power
|
|
# 2 DPMSModeSuspend Blanked, lower power
|
|
# 3 DPMSModeOff Shut off, awaiting activity
|
|
DPMSModeOn = 0
|
|
DPMSModeStandby = 1
|
|
DPMSModeSuspend = 2
|
|
DPMSModeOff = 3
|
|
|
|
DPMSPowerLevel = (
|
|
DPMSModeOn,
|
|
DPMSModeStandby,
|
|
DPMSModeSuspend,
|
|
DPMSModeOff,
|
|
)
|
|
|
|
|
|
class DPMSGetVersion(rq.ReplyRequest):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(0),
|
|
rq.RequestLength(),
|
|
rq.Card16('major_version'),
|
|
rq.Card16('minor_version'),
|
|
)
|
|
|
|
_reply = rq.Struct(
|
|
rq.ReplyCode(),
|
|
rq.Pad(1),
|
|
rq.Card16('sequence_number'),
|
|
rq.ReplyLength(),
|
|
rq.Card16('major_version'),
|
|
rq.Card16('minor_version'),
|
|
rq.Pad(20),
|
|
)
|
|
|
|
|
|
def get_version(self):
|
|
return DPMSGetVersion(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1)
|
|
|
|
|
|
class DPMSCapable(rq.ReplyRequest):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(1),
|
|
rq.RequestLength(),
|
|
)
|
|
|
|
_reply = rq.Struct(
|
|
rq.ReplyCode(),
|
|
rq.Pad(1),
|
|
rq.Card16('sequence_number'),
|
|
rq.ReplyLength(),
|
|
rq.Bool('capable'),
|
|
rq.Pad(23),
|
|
)
|
|
|
|
|
|
def capable(self):
|
|
return DPMSCapable(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1)
|
|
|
|
|
|
class DPMSGetTimeouts(rq.ReplyRequest):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(2),
|
|
rq.RequestLength(),
|
|
)
|
|
|
|
_reply = rq.Struct(
|
|
rq.ReplyCode(),
|
|
rq.Pad(1),
|
|
rq.Card16('sequence_number'),
|
|
rq.ReplyLength(),
|
|
rq.Card16('standby_timeout'),
|
|
rq.Card16('suspend_timeout'),
|
|
rq.Card16('off_timeout'),
|
|
rq.Pad(18),
|
|
)
|
|
|
|
|
|
def get_timeouts(self):
|
|
return DPMSGetTimeouts(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1)
|
|
|
|
|
|
class DPMSSetTimeouts(rq.Request):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(3),
|
|
rq.RequestLength(),
|
|
rq.Card16('standby_timeout'),
|
|
rq.Card16('suspend_timeout'),
|
|
rq.Card16('off_timeout'),
|
|
rq.Pad(2)
|
|
)
|
|
|
|
|
|
def set_timeouts(self, standby_timeout, suspend_timeout, off_timeout):
|
|
return DPMSSetTimeouts(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1,
|
|
standby_timeout=standby_timeout,
|
|
suspend_timeout=suspend_timeout,
|
|
off_timeout=off_timeout)
|
|
|
|
|
|
class DPMSEnable(rq.Request):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(4),
|
|
rq.RequestLength(),
|
|
)
|
|
|
|
|
|
def enable(self):
|
|
return DPMSEnable(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1)
|
|
|
|
|
|
class DPMSDisable(rq.Request):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(5),
|
|
rq.RequestLength(),
|
|
)
|
|
|
|
|
|
def disable(self):
|
|
return DPMSDisable(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1)
|
|
|
|
|
|
class DPMSForceLevel(rq.Request):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(6),
|
|
rq.RequestLength(),
|
|
rq.Resource('power_level', DPMSPowerLevel),
|
|
)
|
|
|
|
|
|
def force_level(self, power_level):
|
|
return DPMSForceLevel(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1,
|
|
power_level=power_level)
|
|
|
|
|
|
class DPMSInfo(rq.ReplyRequest):
|
|
_request = rq.Struct(
|
|
rq.Card8('opcode'),
|
|
rq.Opcode(7),
|
|
rq.RequestLength(),
|
|
)
|
|
|
|
_reply = rq.Struct(
|
|
rq.ReplyCode(),
|
|
rq.Pad(1),
|
|
rq.Card16('sequence_number'),
|
|
rq.ReplyLength(),
|
|
rq.Card16('power_level'),
|
|
rq.Bool('state'),
|
|
rq.Pad(21),
|
|
)
|
|
|
|
|
|
def info(self):
|
|
return DPMSInfo(display=self.display,
|
|
opcode=self.display.get_extension_major(extname),
|
|
major_version=1,
|
|
minor_version=1)
|
|
|
|
|
|
def init(disp, _info):
|
|
disp.extension_add_method('display', 'dpms_get_version', get_version)
|
|
disp.extension_add_method('display', 'dpms_capable', capable)
|
|
disp.extension_add_method('display', 'dpms_get_timeouts', get_timeouts)
|
|
disp.extension_add_method('display', 'dpms_set_timeouts', set_timeouts)
|
|
disp.extension_add_method('display', 'dpms_enable', enable)
|
|
disp.extension_add_method('display', 'dpms_disable', disable)
|
|
disp.extension_add_method('display', 'dpms_force_level', force_level)
|
|
disp.extension_add_method('display', 'dpms_info', info)
|