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#!/usr/bin/python
#
# examples/record_demo.py -- demonstrate record extension
#
# Copyright (C) 2006 Alex Badea <vamposdecampos@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
'''
Simple demo for the RECORD extension
Not very much unlike the xmacrorec2 program in the xmacro package.
'''
# Python 2/3 compatibility.
from __future__ import print_function
import sys
import os
# Change path so we find Xlib
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from Xlib import X, XK, display
from Xlib.ext import record
from Xlib.protocol import rq
local_dpy = display.Display()
record_dpy = display.Display()
def lookup_keysym(keysym):
for name in dir(XK):
if name[:3] == "XK_" and getattr(XK, name) == keysym:
return name[3:]
return "[%d]" % keysym
def record_callback(reply):
if reply.category != record.FromServer:
return
if reply.client_swapped:
print("* received swapped protocol data, cowardly ignored")
return
if not len(reply.data) or reply.data[0] < 2:
# not an event
return
data = reply.data
while len(data):
event, data = rq.EventField(None).parse_binary_value(data, record_dpy.display, None, None)
if event.type in [X.KeyPress, X.KeyRelease]:
pr = event.type == X.KeyPress and "Press" or "Release"
keysym = local_dpy.keycode_to_keysym(event.detail, 0)
if not keysym:
print("KeyCode%s" % pr, event.detail)
else:
print("KeyStr%s" % pr, lookup_keysym(keysym))
if event.type == X.KeyPress and keysym == XK.XK_Escape:
local_dpy.record_disable_context(ctx)
local_dpy.flush()
return
elif event.type == X.ButtonPress:
print("ButtonPress", event.detail)
elif event.type == X.ButtonRelease:
print("ButtonRelease", event.detail)
elif event.type == X.MotionNotify:
print("MotionNotify", event.root_x, event.root_y)
# Check if the extension is present
if not record_dpy.has_extension("RECORD"):
print("RECORD extension not found")
sys.exit(1)
r = record_dpy.record_get_version(0, 0)
print("RECORD extension version %d.%d" % (r.major_version, r.minor_version))
# Create a recording context; we only want key and mouse events
ctx = record_dpy.record_create_context(
0,
[record.AllClients],
[{
'core_requests': (0, 0),
'core_replies': (0, 0),
'ext_requests': (0, 0, 0, 0),
'ext_replies': (0, 0, 0, 0),
'delivered_events': (0, 0),
'device_events': (X.KeyPress, X.MotionNotify),
'errors': (0, 0),
'client_started': False,
'client_died': False,
}])
# Enable the context; this only returns after a call to record_disable_context,
# while calling the callback function in the meantime
record_dpy.record_enable_context(ctx, record_callback)
# Finally free the context
record_dpy.record_free_context(ctx)
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