def __init__(self, name, replace_other_wm, display=None):
gobject.GObject.__init__(self)
self._name = name
if display is None:
display = gtk.gdk.display_manager_get().get_default_display()
self._display = display
self._alt_display = gtk.gdk.Display(self._display.get_name())
self._root = self._display.get_default_screen().get_root_window()
self._ewmh_window = None
self._windows = {}
# EWMH says we have to know the order of our windows oldest to
# youngest...
self._windows_in_order = []
# Become the Official Window Manager of this year's display:
self._wm_selection = wimpiggy.selection.ManagerSelection(
self._display, "WM_S0")
self._wm_selection.connect("selection-lost", self._lost_wm_selection)
# May throw AlreadyOwned:
if replace_other_wm:
mode = self._wm_selection.FORCE
else:
mode = self._wm_selection.IF_UNOWNED
self._wm_selection.acquire(mode)
# (If we become a compositing manager, then we will want to do the
# same thing with the _NET_WM_CM_S0 selection (says EWMH). AFAICT
# this basically will just be used by clients to know that they can
# use RGBA visuals.)
# Set up the necessary EWMH properties on the root window.
self._setup_ewmh_window()
prop_set(self._root, "_NET_SUPPORTED", ["atom"], self._NET_SUPPORTED)
prop_set(self._root, "_NET_DESKTOP_VIEWPORT", ["u32"], [0, 0])
# Load up our full-screen widget
self._world_window = WorldWindow()
self._world_window.set_screen(self._display.get_default_screen())
self.notify("toplevel")
self._world_window.show_all()
# Okay, ready to select for SubstructureRedirect and then load in all
# the existing clients.
add_event_receiver(self._root, self)
substructureRedirect(self._root)
for w in get_children(self._root):
# Checking for FOREIGN here filters out anything that we've
# created ourselves (like, say, the world window), and checking
# for mapped filters out any withdrawn windows.
if (w.get_window_type() == gtk.gdk.WINDOW_FOREIGN
and not is_override_redirect(w) and is_mapped(w)):
log("Wm managing pre-existing child")
self._manage_client(w)
# Also watch for focus change events on the root window
selectFocusChange(self._root)
selectBellNotification(self._root, True)
def test_get_children_and_get_parent_and_reparent(self):
d2 = self.clone_display()
w1 = self.window(self.display)
w2 = self.window(d2)
gtk.gdk.flush()
assert not l.get_children(w1)
children = l.get_children(self.root())
xchildren = map(l.get_xwindow, children)
xwins = map(l.get_xwindow, [w1, w2])
# GDK creates an invisible child of the root window on each
# connection, so there are some windows we don't know about:
for known in xwins:
assert known in xchildren
assert l.get_parent(w1) == w1.get_parent()
w1.reparent(l.get_pywindow(w1, l.get_xwindow(w2)), 0, 0)
gtk.gdk.flush()
assert map(l.get_xwindow, l.get_children(w2)) == [l.get_xwindow(w1)]
assert l.get_parent(w1).xid == w2.xid
def __init__(self, clobber, sockets):
gobject.GObject.__init__(self)
# Do this before creating the Wm object, to avoid clobbering its
# selecting SubstructureRedirect.
root = gtk.gdk.get_default_root_window()
root.set_events(root.get_events() | gtk.gdk.SUBSTRUCTURE_MASK)
add_event_receiver(root, self)
### Create the WM object
self._wm = Wm("Xpra", clobber)
self._wm.connect("new-window", self._new_window_signaled)
self._wm.connect("quit", lambda _: self.quit(True))
### Create our window managing data structures:
self._desktop_manager = DesktopManager()
self._wm.get_property("toplevel").add(self._desktop_manager)
self._desktop_manager.show_all()
self._window_to_id = {}
self._id_to_window = {}
# Window id 0 is reserved for "not a window"
self._max_window_id = 1
### Load in existing windows:
for window in self._wm.get_property("windows"):
self._add_new_window(window)
for window in get_children(root):
if (is_override_redirect(window) and is_mapped(window)):
self._add_new_or_window(window)
### Set up keymap:
self._keymap = gtk.gdk.keymap_get_default()
self._keymap.connect("keys-changed", self._keys_changed)
self._keys_changed()
try:
xmodmap = subprocess.Popen(["xmodmap", "-"], stdin=subprocess.PIPE)
except OSError, e:
sys.stderr.write("Error running xmodmap: %s\n" % (e,))
def test_save_set(self):
w1 = self.window(self.display)
w2 = self.window(self.display)
w3 = self.window(self.display)
gtk.gdk.flush()
def do_child(disp_name, xwindow1, xwindow2, xwindow3):
print("child: in do_child")
d2 = gtk.gdk.Display(disp_name)
w1on2 = l.get_pywindow(d2, xwindow1)
w2on2 = l.get_pywindow(d2, xwindow2)
w3on2 = l.get_pywindow(d2, xwindow3)
mywin = self.window(d2)
print("child: mywin == %s" % l.get_xwindow(mywin))
w1on2.reparent(mywin, 0, 0)
w2on2.reparent(mywin, 0, 0)
w3on2.reparent(mywin, 0, 0)
gtk.gdk.flush()
# w1 gets saved:
l.XAddToSaveSet(w1on2)
# w2 does not
# w3 is saved, but then unsaved (to test RemoveFromSaveSet):
l.XAddToSaveSet(w3on2)
l.XRemoveFromSaveSet(w3on2)
gtk.gdk.flush()
print("child: finished")
import os
print("prefork: ", os.getpid())
pid = os.fork()
if not pid:
# Child
try:
print("child: pid ", os.getpid())
name = self.display.get_name()
# This is very important, though I don't know why. If we
# don't close this display then something inside
# xcb_wait_for_reply gets Very Confused and the *parent*
# process gets a spurious IO error with nonsense errno
# (because errno is not actually being set, because there is
# no IO error, just something going weird inside xcb). I'm
# not even sure that this actually fixes the underlying
# problem, but it makes the test pass, so...
self.display.close()
do_child(name,
l.get_xwindow(w1),
l.get_xwindow(w2),
l.get_xwindow(w3))
finally:
os._exit(0)
# Parent
print("parent: ", os.getpid())
print("parent: child is ", pid)
print("parent: waiting for child")
os.waitpid(pid, 0)
print("parent: child exited")
# Is there a race condition here, where the child exits but the X
# server doesn't notice until after we send our commands?
print(map(l.get_xwindow, [w1, w2, w3]))
print(map(l.get_xwindow, l.get_children(self.root())))
assert w1 in l.get_children(self.root())
assert w2 not in l.get_children(self.root())
assert w3 not in l.get_children(self.root())
def __init__(self, name, replace_other_wm, display=None):
gobject.GObject.__init__(self)
self._name = name
if display is None:
display = gtk.gdk.display_manager_get().get_default_display()
self._display = display
self._alt_display = gtk.gdk.Display(self._display.get_name())
self._root = self._display.get_default_screen().get_root_window()
self._ewmh_window = None
self._windows = {}
# EWMH says we have to know the order of our windows oldest to
# youngest...
self._windows_in_order = []
# Become the Official Window Manager of this year's display:
self._wm_selection = wimpiggy.selection.ManagerSelection(self._display, "WM_S0")
self._wm_selection.connect("selection-lost", self._lost_wm_selection)
# May throw AlreadyOwned:
if replace_other_wm:
mode = self._wm_selection.FORCE
else:
mode = self._wm_selection.IF_UNOWNED
self._wm_selection.acquire(mode)
# (If we become a compositing manager, then we will want to do the
# same thing with the _NET_WM_CM_S0 selection (says EWMH). AFAICT
# this basically will just be used by clients to know that they can
# use RGBA visuals.)
# Set up the necessary EWMH properties on the root window.
self._setup_ewmh_window()
prop_set(self._root, "_NET_SUPPORTED",
["atom"], self._NET_SUPPORTED)
prop_set(self._root, "_NET_DESKTOP_VIEWPORT",
["u32"], [0, 0])
# Load up our full-screen widget
self._world_window = WorldWindow()
self._world_window.set_screen(self._display.get_default_screen())
self.notify("toplevel")
self._world_window.show_all()
# Okay, ready to select for SubstructureRedirect and then load in all
# the existing clients.
add_event_receiver(self._root, self)
substructureRedirect(self._root)
for w in get_children(self._root):
# Checking for FOREIGN here filters out anything that we've
# created ourselves (like, say, the world window), and checking
# for mapped filters out any withdrawn windows.
if (w.get_window_type() == gtk.gdk.WINDOW_FOREIGN
and not is_override_redirect(w)
and is_mapped(w)):
log("Wm managing pre-existing child")
self._manage_client(w)
# Also watch for focus change events on the root window
selectFocusChange(self._root)
selectBellNotification(self._root, True)
class XpraServer(gobject.GObject, X11ServerBase):
__gsignals__ = {
"wimpiggy-child-map-event": one_arg_signal,
"wimpiggy-cursor-event": one_arg_signal,
}
def __init__(self, clobber, sockets, opts):
self._tray = None
gobject.GObject.__init__(self)
X11ServerBase.__init__(self, clobber, sockets, opts)
def x11_init(self, clobber):
X11ServerBase.x11_init(self, clobber)
init_x11_filter()
self._has_focus = 0
# Do this before creating the Wm object, to avoid clobbering its
# selecting SubstructureRedirect.
root = gtk.gdk.get_default_root_window()
root.set_events(root.get_events() | gtk.gdk.SUBSTRUCTURE_MASK)
root.property_change(gtk.gdk.atom_intern("XPRA_SERVER", False),
gtk.gdk.atom_intern("STRING", False), 8,
gtk.gdk.PROP_MODE_REPLACE, xpra.__version__)
add_event_receiver(root, self)
### Create the WM object
self._wm = Wm("Xpra", clobber)
self._wm.connect("new-window", self._new_window_signaled)
self._wm.connect("window-resized", self._window_resized_signaled)
self._wm.connect("bell", self._bell_signaled)
self._wm.connect("quit", lambda _: self.quit(True))
self.default_cursor_data = None
self.last_cursor_serial = None
self.send_cursor_pending = False
self.cursor_data = None
def get_default_cursor():
self.default_cursor_data = get_cursor_image()
log("get_default_cursor=%s", self.default_cursor_data)
trap.swallow_synced(get_default_cursor)
self._wm.enableCursors(True)
def set_workarea(self, workarea):
self._wm.set_workarea(workarea.x, workarea.y, workarea.width,
workarea.height)
def get_transient_for(self, window):
return self._desktop_manager.get_transient_for(window,
self._window_to_id)
def is_shown(self, window):
return self._desktop_manager.is_shown(window)
def cleanup(self, *args):
if self._tray:
self._tray.cleanup()
self._tray = None
X11ServerBase.cleanup(self)
def load_existing_windows(self, system_tray):
# Tray handler:
if system_tray:
try:
self._tray = SystemTray()
except Exception, e:
log.error("cannot setup tray forwarding: %s", e, exc_info=True)
### Create our window managing data structures:
self._desktop_manager = DesktopManager()
self._wm.get_property("toplevel").add(self._desktop_manager)
self._desktop_manager.show_all()
### Load in existing windows:
for window in self._wm.get_property("windows"):
self._add_new_window(window)
root = gtk.gdk.get_default_root_window()
for window in get_children(root):
if is_override_redirect(window) and is_mapped(window):
self._add_new_or_window(window)
