# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of pyglet nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
'''
'''
__docformat__ = 'restructuredtext'
__version__ = '$Id: xlib.py 2496 2009-08-19 01:17:30Z benjamin.coder.smith $'
import select
from pyglet.app import displays,windows,BaseEventLoop
from pyglet.window.xlib import xlib
class XlibEventLoop(BaseEventLoop):
def run(self):
self._setup()
e = xlib.XEvent()
t = 0
sleep_time = 0.
self.dispatch_event('on_enter')
while not self.has_exit:
# Check for already pending events
for display in displays:
if xlib.XPending(display._display):
pending_displays = (display,)
break
else:
# None found; select on all file descriptors or timeout
iwtd = self.get_select_files()
pending_displays, _, _ = select.select(iwtd, (), (), sleep_time)
# Dispatch platform events
for display in pending_displays:
while xlib.XPending(display._display):
xlib.XNextEvent(display._display, e)
# Key events are filtered by the xlib window event
# handler so they get a shot at the prefiltered event.
if e.xany.type not in (xlib.KeyPress, xlib.KeyRelease):
if xlib.XFilterEvent(e, e.xany.window):
continue
try:
window = display._window_map[e.xany.window]
except KeyError:
continue
window.dispatch_platform_event(e)
# Dispatch resize events
for window in windows:
if window._needs_resize:
window.switch_to()
window.dispatch_event('on_resize',
window._width, window._height)
window.dispatch_event('on_expose')
window._needs_resize = False
sleep_time = self.idle()
self.dispatch_event('on_exit')
def get_select_files(self):
return list(displays)
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