153 lines
5.1 KiB
Python
Executable File
153 lines
5.1 KiB
Python
Executable File
#!/usr/bin/python
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#
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# examples/xinerama.py -- demonstrate the Xinerama extension
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#
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# Copyright (C) 2009 David H. Bronke <whitelynx@gmail.com>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation; either version 2.1
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# of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc.,
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# 59 Temple Place,
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# Suite 330,
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# Boston, MA 02111-1307 USA
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# Python 2/3 compatibility.
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from __future__ import print_function
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import sys
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import os
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import pprint
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# Change path so we find Xlib
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sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
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from Xlib import X, display, Xutil
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from Xlib.ext import xinerama
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# Application window (only one)
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class Window(object):
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def __init__(self, display):
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self.d = display
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# Check for extension
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if not self.d.has_extension('XINERAMA'):
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sys.stderr.write('{}: server does not have the XINERAMA extension\n'.format(sys.argv[0]))
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ext = self.d.query_extension('XINERAMA')
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print(ext)
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sys.stderr.write("\n".join(self.d.list_extensions()))
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if ext is None:
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sys.exit(1)
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# print version
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r = self.d.xinerama_query_version()
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print('XINERAMA version %d.%d' % (r.major_version, r.minor_version))
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# Grab the current screen
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self.screen = self.d.screen()
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self.window = self.screen.root.create_window(
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50, 50, 300, 200, 2,
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self.screen.root_depth,
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X.InputOutput,
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X.CopyFromParent,
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# special attribute values
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background_pixel = self.screen.white_pixel,
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event_mask = (X.ExposureMask |
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X.StructureNotifyMask |
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X.ButtonPressMask |
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X.ButtonReleaseMask |
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X.Button1MotionMask),
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colormap = X.CopyFromParent,
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)
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self.gc = self.window.create_gc(
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foreground = self.screen.black_pixel,
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background = self.screen.white_pixel,
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)
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# Set some WM info
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self.WM_DELETE_WINDOW = self.d.intern_atom('WM_DELETE_WINDOW')
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self.WM_PROTOCOLS = self.d.intern_atom('WM_PROTOCOLS')
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self.window.set_wm_name('Xlib example: xinerama.py')
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self.window.set_wm_icon_name('xinerama.py')
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self.window.set_wm_class('xinerama', 'XlibExample')
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self.window.set_wm_protocols([self.WM_DELETE_WINDOW])
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self.window.set_wm_hints(flags = Xutil.StateHint,
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initial_state = Xutil.NormalState)
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self.window.set_wm_normal_hints(flags = (Xutil.PPosition | Xutil.PSize
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| Xutil.PMinSize),
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min_width = 20,
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min_height = 20)
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# Map the window, making it visible
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self.window.map()
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self.pp = pprint.PrettyPrinter(indent=4)
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print("Xinerama active:", bool(self.d.xinerama_is_active()))
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print("Screen info:")
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self.pp.pprint(self.d.xinerama_query_screens()._data)
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# FIXME: This doesn't work!
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#print("Xinerama info:")
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#self.pp.pprint(self.d.xinerama_get_info(self.d.screen().root_visual)._data)
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print("Xinerama state:")
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self.pp.pprint(self.window.xinerama_get_state()._data)
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print("Screen count:")
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self.pp.pprint(self.window.xinerama_get_screen_count()._data)
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for screennum in range(self.window.xinerama_get_screen_count().screen_count):
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print("Screen %d size:" % (screennum, ))
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self.pp.pprint(self.window.xinerama_get_screen_size(screennum)._data)
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def parseModes(self, mode_names, modes):
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lastIdx = 0
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modedatas = dict()
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for mode in modes:
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modedata = dict(mode._data)
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modedata['name'] = mode_names[lastIdx:lastIdx + modedata['name_length']]
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modedatas[modedata['id']] = modedata
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lastIdx += modedata['name_length']
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return modedatas
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# Main loop, handling events
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def loop(self):
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current = None
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while 1:
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e = self.d.next_event()
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# Window has been destroyed, quit
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if e.type == X.DestroyNotify:
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sys.exit(0)
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# Somebody wants to tell us something
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elif e.type == X.ClientMessage:
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if e.client_type == self.WM_PROTOCOLS:
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fmt, data = e.data
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if fmt == 32 and data[0] == self.WM_DELETE_WINDOW:
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sys.exit(0)
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if __name__ == '__main__':
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Window(display.Display()).loop()
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