def do_unmanaged(self, wm_exiting):
log("unmanaging window: %s (%s - %s)", self, self.corral_window,
self.client_window)
self._internal_set_property("owner", None)
if self.corral_window:
remove_event_receiver(self.corral_window, self)
with xswallow:
for prop in WindowModel.SCRUB_PROPERTIES:
X11Window.XDeleteProperty(self.xid, prop)
if self.client_reparented:
self.client_window.reparent(gtk.gdk.get_default_root_window(),
0, 0)
self.client_reparented = False
self.client_window.set_events(self.client_window_saved_events)
#it is now safe to destroy the corral window:
self.corral_window.destroy()
self.corral_window = None
# It is important to remove from our save set, even after
# reparenting, because according to the X spec, windows that are
# in our save set are always Mapped when we exit, *even if those
# windows are no longer inferior to any of our windows!* (see
# section 10. Connection Close). This causes "ghost windows", see
# bug #27:
if self.in_save_set:
with xswallow:
X11Window.XRemoveFromSaveSet(self.xid)
self.in_save_set = False
with xswallow:
X11Window.sendConfigureNotify(self.xid)
if wm_exiting:
self.client_window.show_unraised()
BaseWindowModel.do_unmanaged(self, wm_exiting)
def do_unmanaged(self, wm_exiting):
log("unmanaging window: %s (%s - %s)", self, self.corral_window,
self.client_window)
self._internal_set_property("owner", None)
if self.corral_window:
remove_event_receiver(self.corral_window, self)
geom = None
#use a new context so we will XSync right here
#and detect if the window is already gone:
with XSwallowContext():
geom = X11Window.getGeometry(self.xid)
if geom is not None:
if self.client_reparented:
self.client_window.reparent(get_default_root_window(), 0,
0)
self.client_window.set_events(self.client_window_saved_events)
self.client_reparented = False
#it is now safe to destroy the corral window:
self.corral_window.destroy()
self.corral_window = None
# It is important to remove from our save set, even after
# reparenting, because according to the X spec, windows that are
# in our save set are always Mapped when we exit, *even if those
# windows are no longer inferior to any of our windows!* (see
# section 10. Connection Close). This causes "ghost windows", see
# bug #27:
if self.in_save_set:
with xswallow:
X11Window.XRemoveFromSaveSet(self.xid)
self.in_save_set = False
with xswallow:
X11Window.sendConfigureNotify(self.xid)
if wm_exiting:
self.client_window.show_unraised()
BaseWindowModel.do_unmanaged(self, wm_exiting)
def cleanup(self):
log("SystemTray.cleanup()")
root = gtk.gdk.get_default_root_window()
owner = X11Window.XGetSelectionOwner(SELECTION)
if owner == self.tray_window.xid:
X11Window.XSetSelectionOwner(0, SELECTION)
log("SystemTray.cleanup() reset %s selection owner to %#x",
SELECTION, X11Window.XGetSelectionOwner(SELECTION))
else:
log.warn(
"SystemTray.cleanup() we were no longer the selection owner")
remove_event_receiver(self.tray_window, self)
def undock(window):
log("undocking %s", window)
X11Window.Unmap(window.xid)
X11Window.Reparent(window.xid, root.xid, 0, 0)
for window, tray_window in self.tray_windows.items():
with xswallow:
undock(window)
tray_window.destroy()
self.tray_window.destroy()
self.tray_window = None
log("SystemTray.cleanup() done")
def do_unmanaged(self, wm_exiting):
log("unmanaging window: %s (%s - %s)", self, self.corral_window, self.client_window)
self._internal_set_property("owner", None)
if self.corral_window:
remove_event_receiver(self.corral_window, self)
with xswallow:
for prop in WindowModel.SCRUB_PROPERTIES:
X11Window.XDeleteProperty(self.xid, prop)
if self.client_reparented:
self.client_window.reparent(gtk.gdk.get_default_root_window(), 0, 0)
self.client_reparented = False
self.client_window.set_events(self.client_window_saved_events)
#it is now safe to destroy the corral window:
self.corral_window.destroy()
self.corral_window = None
# It is important to remove from our save set, even after
# reparenting, because according to the X spec, windows that are
# in our save set are always Mapped when we exit, *even if those
# windows are no longer inferior to any of our windows!* (see
# section 10. Connection Close). This causes "ghost windows", see
# bug #27:
if self.in_save_set:
with xswallow:
X11Window.XRemoveFromSaveSet(self.xid)
self.in_save_set = False
with xswallow:
X11Window.sendConfigureNotify(self.xid)
if wm_exiting:
self.client_window.show_unraised()
BaseWindowModel.do_unmanaged(self, wm_exiting)
def call_setup(self):
"""
Call this method to prepare the window:
* makes sure it still exists
(by querying its geometry which may raise an XError)
* setup composite redirection
* calls setup
The difficulty comes from X11 errors and synchronization:
we want to catch errors and undo what we've done.
The mix of GTK and pure-X11 calls is not helping.
"""
try:
with xsync:
geom = X11Window.geometry_with_border(self.xid)
if geom is None:
raise Unmanageable("window %#x disappeared already" %
self.xid)
self._internal_set_property("geometry", geom[:4])
self._read_initial_X11_properties()
except XError as e:
raise Unmanageable(e)
add_event_receiver(self.client_window, self)
# Keith Packard says that composite state is undefined following a
# reparent, so I'm not sure doing this here in the superclass,
# before we reparent, actually works... let's wait and see.
try:
self._composite = CompositeHelper(self.client_window)
with xsync:
self._composite.setup()
if X11Window.displayHasXShape():
X11Window.XShapeSelectInput(self.xid)
except Exception as e:
remove_event_receiver(self.client_window, self)
log("%s %#x does not support compositing: %s", self._MODELTYPE,
self.xid, e)
with xswallow:
self._composite.destroy()
self._composite = None
if isinstance(e, Unmanageable):
raise
raise Unmanageable(e)
#compositing is now enabled,
#from now on we must call setup_failed to clean things up
self._managed = True
try:
with xsync:
self.setup()
except XError as e:
try:
with xsync:
self.setup_failed(e)
except Exception as ex:
log.error("error in cleanup handler: %s", ex)
raise Unmanageable(e)
self._setup_done = True
def call_setup(self):
"""
Call this method to prepare the window:
* makes sure it still exists
(by querying its geometry which may raise an XError)
* setup composite redirection
* calls setup
The difficulty comes from X11 errors and synchronization:
we want to catch errors and undo what we've done.
The mix of GTK and pure-X11 calls is not helping.
"""
try:
with xsync:
geom = X11Window.geometry_with_border(self.xid)
if geom is None:
raise Unmanageable("window %#x disappeared already" % self.xid)
self._internal_set_property("geometry", geom[:4])
self._read_initial_X11_properties()
except XError as e:
raise Unmanageable(e)
add_event_receiver(self.client_window, self)
# Keith Packard says that composite state is undefined following a
# reparent, so I'm not sure doing this here in the superclass,
# before we reparent, actually works... let's wait and see.
try:
self._composite = CompositeHelper(self.client_window)
with xsync:
self._composite.setup()
if X11Window.displayHasXShape():
X11Window.XShapeSelectInput(self.xid)
except Exception as e:
remove_event_receiver(self.client_window, self)
log("%s %#x does not support compositing: %s", self._MODELTYPE, self.xid, e)
with xswallow:
self._composite.destroy()
self._composite = None
if isinstance(e, Unmanageable):
raise
raise Unmanageable(e)
#compositing is now enabled,
#from now on we must call setup_failed to clean things up
self._managed = True
try:
with xsync:
self.setup()
except XError as e:
try:
with xsync:
self.setup_failed(e)
except Exception as ex:
log.error("error in cleanup handler: %s", ex)
raise Unmanageable(e)
self._setup_done = True
def do_unmanaged(self, wm_exiting):
if not self._managed:
return
self._managed = False
log("%s.do_unmanaged(%s) damage_forward_handle=%s, composite=%s", self._MODELTYPE, wm_exiting, self._damage_forward_handle, self._composite)
remove_event_receiver(self.client_window, self)
glib.idle_add(self.managed_disconnect)
if self._composite:
if self._damage_forward_handle:
self._composite.disconnect(self._damage_forward_handle)
self._damage_forward_handle = None
self._composite.destroy()
self._composite = None
self._scrub_x11()
def do_unmanaged(self, wm_exiting):
if not self._managed:
return
self._managed = False
log("%s.do_unmanaged(%s) damage_forward_handle=%s, composite=%s", self._MODELTYPE, wm_exiting, self._damage_forward_handle, self._composite)
remove_event_receiver(self.client_window, self)
glib.idle_add(self.managed_disconnect)
if self._composite:
if self._damage_forward_handle:
self._composite.disconnect(self._damage_forward_handle)
self._damage_forward_handle = None
self._composite.destroy()
self._composite = None
self._scrub_x11()
def cleanup(self):
#this must be called from the UI thread!
remove_event_receiver(self._root, self)
self._root.set_events(self._saved_event_mask)
#try a few times:
#errors happen because windows are being destroyed
#(even more so when we cleanup)
#and we don't really care too much about this
for l in (log, log, log, log, log.warn):
try:
with xsync:
cleanup_all_event_receivers()
#all went well, we're done
return
except Exception as e:
l("failed to remove event receivers: %s", e)
def cleanup(self):
log("SystemTray.cleanup()")
root = gtk.gdk.get_default_root_window()
owner = X11Window.XGetSelectionOwner(SELECTION)
if owner==self.tray_window.xid:
X11Window.XSetSelectionOwner(0, SELECTION)
log("SystemTray.cleanup() reset %s selection owner to %#x", SELECTION, X11Window.XGetSelectionOwner(SELECTION))
else:
log.warn("Warning: we were no longer the tray selection owner")
remove_event_receiver(self.tray_window, self)
def undock(window):
log("undocking %s", window)
X11Window.Unmap(window.xid)
X11Window.Reparent(window.xid, root.xid, 0, 0)
for window, tray_window in self.tray_windows.items():
with xswallow:
undock(window)
tray_window.destroy()
self.tray_window.destroy()
self.tray_window = None
log("SystemTray.cleanup() done")
def destroy(self):
if self._window is None:
log.warn("composite window %s already destroyed!", self)
return
#clear the reference to the window early:
win = self._window
xwin = self._window.xid
#Note: invalidate_pixmap()/_cleanup_listening() use self._window, but won't care if it's None
self._window = None
remove_event_receiver(win, self)
self.invalidate_pixmap()
if not self._already_composited:
trap.swallow_synced(X11Window.XCompositeUnredirectWindow, xwin)
if self._damage_handle:
trap.swallow_synced(X11Window.XDamageDestroy, self._damage_handle)
self._damage_handle = None
if self._shm_handle:
self._shm_handle.cleanup()
self._shm_handle = None
#note: this should be redundant since we cleared the
#reference to self._window and shortcut out in do_get_property_contents_handle
#but it's cheap anyway
self.invalidate_pixmap()
def destroy(self):
if self._window is None:
log.warn("composite window %s already destroyed!", self)
return
#clear the reference to the window early:
win = self._window
xwin = self._window.xid
#Note: invalidate_pixmap()/_cleanup_listening() use self._window, but won't care if it's None
self._window = None
remove_event_receiver(win, self)
self.invalidate_pixmap()
if not self._already_composited:
trap.swallow_synced(X11Window.XCompositeUnredirectWindow, xwin)
if self._damage_handle:
trap.swallow_synced(X11Window.XDamageDestroy, self._damage_handle)
self._damage_handle = None
if self._shm_handle:
self._shm_handle.cleanup()
self._shm_handle = None
#note: this should be redundant since we cleared the
#reference to self._window and shortcut out in do_get_property_contents_handle
#but it's cheap anyway
self.invalidate_pixmap()
def cleanup(self):
#this must be called from the UI thread!
remove_event_receiver(self._root, self)
self._root.set_events(self._saved_event_mask)
if self._own_x11_filter:
#only remove the x11 filter if we initialized it (ie: when running in client)
try:
with xsync:
cleanup_x11_filter()
except Exception as e:
log.error("failed to remove x11 event filter: %s", e)
#try a few times:
#errors happen because windows are being destroyed
#(even more so when we cleanup)
#and we don't really care too much about this
for l in (log, log, log, log, log.warn):
try:
with xsync:
cleanup_all_event_receivers()
#all went well, we're done
return
except Exception as e:
l("failed to remove event receivers: %s", e)
def cleanup(self):
remove_event_receiver(self._root, self)
def do_destroy(self, win):
remove_event_receiver(win, self)
self.destroy_damage_handle()
def do_xpra_destroy_event(self, event):
remove_event_receiver(event.window, self)
gtk.main_quit()
def _cleanup_listening(self, listening):
if listening:
# Don't want to stop listening to self.client_window!:
assert self.client_window is None or self.client_window not in listening
for w in listening:
remove_event_receiver(w, self)
def cleanup(self):
remove_event_receiver(self._root, self)
def do_xpra_destroy_event(self, event):
remove_event_receiver(event.window, self)
gtk.main_quit()
def _cleanup_listening(self, listening):
if listening:
# Don't want to stop listening to self.client_window!:
assert self.client_window is None or self.client_window not in listening
for w in listening:
remove_event_receiver(w, self)
def do_destroy(self, win):
remove_event_receiver(win, self)
self.destroy_damage_handle()
