/usr/share/doc/python3-xlib/examples/xinerama.py is in python3-xlib 0.20-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | #!/usr/bin/python3
#
# examples/xinerama.py -- demonstrate the Xinerama extension
#
# Copyright (C) 2009 David H. Bronke <whitelynx@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
# Python 2/3 compatibility.
from __future__ import print_function
import sys
import os
import pprint
# Change path so we find Xlib
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from Xlib import X, display, Xutil
from Xlib.ext import xinerama
# Application window (only one)
class Window(object):
def __init__(self, display):
self.d = display
# Check for extension
if not self.d.has_extension('XINERAMA'):
sys.stderr.write('%s: server does not have the XINERAMA extension\n'
% sys.argv[0])
print(self.d.query_extension('XINERAMA'))
sys.stderr.write("\n".join(self.d.list_extensions()))
if self.d.query_extension('XINERAMA') is None:
sys.exit(1)
# print version
r = self.d.xinerama_query_version()
print('XINERAMA version %d.%d' % (r.major_version, r.minor_version))
# Grab the current screen
self.screen = self.d.screen()
self.window = self.screen.root.create_window(
50, 50, 300, 200, 2,
self.screen.root_depth,
X.InputOutput,
X.CopyFromParent,
# special attribute values
background_pixel = self.screen.white_pixel,
event_mask = (X.ExposureMask |
X.StructureNotifyMask |
X.ButtonPressMask |
X.ButtonReleaseMask |
X.Button1MotionMask),
colormap = X.CopyFromParent,
)
self.gc = self.window.create_gc(
foreground = self.screen.black_pixel,
background = self.screen.white_pixel,
)
# Set some WM info
self.WM_DELETE_WINDOW = self.d.intern_atom('WM_DELETE_WINDOW')
self.WM_PROTOCOLS = self.d.intern_atom('WM_PROTOCOLS')
self.window.set_wm_name('Xlib example: xinerama.py')
self.window.set_wm_icon_name('xinerama.py')
self.window.set_wm_class('xinerama', 'XlibExample')
self.window.set_wm_protocols([self.WM_DELETE_WINDOW])
self.window.set_wm_hints(flags = Xutil.StateHint,
initial_state = Xutil.NormalState)
self.window.set_wm_normal_hints(flags = (Xutil.PPosition | Xutil.PSize
| Xutil.PMinSize),
min_width = 20,
min_height = 20)
# Map the window, making it visible
self.window.map()
self.pp = pprint.PrettyPrinter(indent=4)
print("Xinerama active:", bool(self.d.xinerama_is_active()))
print("Screen info:")
self.pp.pprint(self.d.xinerama_query_screens()._data)
# FIXME: This doesn't work!
#print("Xinerama info:")
#self.pp.pprint(self.d.xinerama_get_info(self.d.screen().root_visual)._data)
print("Xinerama state:")
self.pp.pprint(self.window.xinerama_get_state()._data)
print("Screen count:")
self.pp.pprint(self.window.xinerama_get_screen_count()._data)
for screennum in range(self.window.xinerama_get_screen_count().screen_count):
print("Screen %d size:" % (screennum, ))
self.pp.pprint(self.window.xinerama_get_screen_size(screennum)._data)
def parseModes(self, mode_names, modes):
lastIdx = 0
modedatas = dict()
for mode in modes:
modedata = dict(mode._data)
modedata['name'] = mode_names[lastIdx:lastIdx + modedata['name_length']]
modedatas[modedata['id']] = modedata
lastIdx += modedata['name_length']
return modedatas
# Main loop, handling events
def loop(self):
current = None
while 1:
e = self.d.next_event()
# Window has been destroyed, quit
if e.type == X.DestroyNotify:
sys.exit(0)
# Somebody wants to tell us something
elif e.type == X.ClientMessage:
if e.client_type == self.WM_PROTOCOLS:
fmt, data = e.data
if fmt == 32 and data[0] == self.WM_DELETE_WINDOW:
sys.exit(0)
if __name__ == '__main__':
Window(display.Display()).loop()
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