def setup_xi(self):
if self.client.server_input_devices not in ("xi", "uinput"):
log.info("server does not support xi input devices")
if self.client.server_input_devices:
log.info(" server uses: %s", self.client.server_input_devices)
return
try:
from xpra.gtk_common.error import xsync
with xsync:
assert X11WindowBindings, "no X11 window bindings"
assert X11XI2Bindings, "no XI2 window bindings"
X11XI2Bindings().gdk_inject()
self.init_x11_filter()
XI2 = X11XI2Bindings()
XI2.select_xi2_events()
if self.client.server_input_devices:
XI2.connect(0, "XI_HierarchyChanged", self.do_xi_devices_changed)
devices = XI2.get_devices()
if devices:
self.client.send_input_devices("xi", devices)
except Exception as e:
log("enable_xi2()", exc_info=True)
log.error("Error: cannot enable XI2 events")
log.error(" %s", e)
else:
#register our enhanced event handlers:
self.add_xi2_method_overrides()
def __init__(self, device, device_path):
self.device = device
self.device_path = bytestostr(device_path)
self.wheel_delta = {}
#the first event always goes MIA:
#http://who-t.blogspot.co.at/2012/06/xi-21-protocol-design-issues.html
#so synthesize a dummy one now:
with xlog:
from xpra.x11.bindings.xi2_bindings import X11XI2Bindings #pylint: disable=no-name-in-module
xi2 = X11XI2Bindings()
v = xi2.get_xi_version()
log("XInput version %s", ".".join(str(x) for x in v))
if v <= (2, 2):
self.wheel_motion(4, 1)
def __init__(self, window):
log("XI2_Window(%s)", window)
self.XI2 = X11XI2Bindings()
self.X11Window = X11WindowBindings()
self.window = window
self.xid = window.get_window().xid
self.windows = ()
window.connect("configure-event", self.configured)
self.configured()
#replace event handlers with XI2 version:
self.do_motion_notify_event = window.do_motion_notify_event
window.do_motion_notify_event = self.noop
window.do_button_press_event = self.noop
window.do_button_release_event = self.noop
window.do_scroll_event = self.noop
window.connect("destroy", self.cleanup)
def __init__(self, device, device_path):
self.device = device
self.device_path = device_path
self.wheel_delta = {}
#the first event always goes MIA:
#http://who-t.blogspot.co.at/2012/06/xi-21-protocol-design-issues.html
#so synthesize a dummy one now:
try:
with xsync:
from xpra.x11.bindings.xi2_bindings import X11XI2Bindings
xi2 = X11XI2Bindings()
v = xi2.get_xi_version()
log("XInput version %s", ".".join(str(x) for x in v))
if v<=(2, 2):
self.wheel_motion(4, 1)
except:
log.warn("cannot query XInput protocol version", exc_info=True)
def do_setup_xi(self):
if self.client.server_input_devices not in ("xi", "uinput"):
xinputlog.info("server does not support xi input devices")
if self.client.server_input_devices:
log.info(" server uses: %s", self.client.server_input_devices)
return False
try:
from xpra.gtk_common.error import xsync, XError
assert X11WindowBindings, "no X11 window bindings"
assert X11XI2Bindings, "no XI2 window bindings"
XI2 = X11XI2Bindings()
#this may fail when windows are being destroyed,
#ie: when another client disconnects because we are stealing the session
try:
with xsync:
XI2.select_xi2_events()
except XError:
self.xi_setup_failures += 1
xinputlog("select_xi2_events() failed, attempt %i",
self.xi_setup_failures,
exc_info=True)
return self.xi_setup_failures < 10 #try again
with xsync:
XI2.gdk_inject()
self.init_x11_filter()
if self.client.server_input_devices:
XI2.connect(0, "XI_HierarchyChanged",
self.do_xi_devices_changed)
devices = XI2.get_devices()
if devices:
self.client.send_input_devices("xi", devices)
except Exception as e:
xinputlog("enable_xi2()", exc_info=True)
xinputlog.error("Error: cannot enable XI2 events")
xinputlog.error(" %s", e)
else:
#register our enhanced event handlers:
self.add_xi2_method_overrides()
return False
def do_xi_devices_changed(self, event):
log("do_xi_devices_changed(%s)", event)
XI2 = X11XI2Bindings()
devices = XI2.get_devices()
if devices:
self.client.send_input_devices("xi", devices)