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# -*- python -*-
'''
xpybar – xmobar replacement written in python
Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
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 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import os
import Xlib.Xatom
from x import *
class XDisplay:
'''
Retrieve information about the used X display as specified by the DISPLAY environment variable
@variable connection:str? The full X display information, `None` if X is not running
@variable host:str? The host, often `None` one local conncetions and "localhost" on remote oonnection
@variable display:int? The display number
@variable screen:int? The screen number, often `None` (default screen)
@varaible vt:int The VT the X display is allocated to
host, dispay and screen is None if connectiopn is None, which means that you
have started xpybar's DISPLAY environment variable is not set, and that a display
was configured in the settings.
'''
def __init__(self):
'''
Constructor
'''
self.connection = os.environ['DISPLAY'] if 'DISPLAY' in os.environ else None
if self.connection is None:
self.host = None
self.display = None
self.screen = None
else:
self.host = self.connection.split(':')[0]
if self.host == '':
self.host = None
self.display, self.screen = (self.connection.split(':')[1] + '.').split('.')[:2]
self.display = int(self.display)
self.screen = None if self.screen == '' else int(self.screen)
r = get_screen().root
d = get_display()
self.vt = r.get_full_property(d.get_atom('XFree86_VT'), Xlib.Xatom.INTEGER).value[0]
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