def do_xpra_client_message_event(self, event):
if (event.window is self._root
and event.message_type == "MANAGER"
and event.data[1] == get_xatom(self._selection)):
log("XSettings manager changed")
self._add_watch()
self.emit("xsettings-changed")
def do_xpra_client_message_event(self, event):
if (event.window is self._root
and event.message_type == "MANAGER"
and event.data[1] == get_xatom(self._selection)):
log("XSettings manager changed")
self._add_watch()
self.emit("xsettings-changed")
def acquire(self, when):
old_owner = self._owner()
if when is self.IF_UNOWNED and old_owner != XNone:
raise AlreadyOwned
self.clipboard.set_with_data([("VERSION", 0, 0)],
self._get,
self._clear,
None)
# Having acquired the selection, we have to announce our existence
# (ICCCM 2.8, still). The details here probably don't matter too
# much; I've never heard of an app that cares about these messages,
# and metacity actually gets the format wrong in several ways (no
# MANAGER or owner_window atoms). But might as well get it as right
# as possible.
# To announce our existence, we need:
# -- the timestamp we arrived at
# -- the manager selection atom
# -- the window that registered the selection
# Of course, because Gtk is doing so much magic for us, we have to do
# some weird tricks to get at these.
# Ask ourselves when we acquired the selection:
ts_data = self.clipboard.wait_for_contents("TIMESTAMP").data
#data is a timestamp, X11 datatype is Time which is CARD32,
#(which is 64 bits on 64-bit systems!)
Lsize = calcsize("@L")
if len(ts_data)==Lsize:
ts_num = unpack("@L", ts_data[:Lsize])[0]
else:
ts_num = 0 #CurrentTime
log.warn("invalid data for 'TIMESTAMP': %s", ([hex(ord(x)) for x in ts_data]))
# Calculate the X atom for this selection:
selection_xatom = get_xatom(self.atom)
# Ask X what window we used:
self._xwindow = X11Window.XGetSelectionOwner(self.atom)
root = self.clipboard.get_display().get_default_screen().get_root_window()
X11Window.sendClientMessage(root.xid, root.xid, False, StructureNotifyMask,
"MANAGER",
ts_num, selection_xatom, self._xwindow, 0, 0)
if old_owner != XNone and when is self.FORCE:
# Block in a recursive mainloop until the previous owner has
# cleared out.
def getwin():
window = get_pywindow(self.clipboard, old_owner)
window.set_events(window.get_events() | gtk.gdk.STRUCTURE_MASK)
return window
try:
window = trap.call_synced(getwin)
log("got window")
except XError:
log("Previous owner is already gone, not blocking")
else:
log("Waiting for previous owner to exit...")
add_event_receiver(window, self)
gtk.main()
log("...they did.")
window = get_pywindow(self.clipboard, self._xwindow)
window.set_title("Xpra-ManagerSelection")
def acquire(self, when):
old_owner = self._owner()
if when is self.IF_UNOWNED and old_owner != XNone:
raise AlreadyOwned
#we can only set strings with GTK3,
# we should try to be compliant with ICCCM version 2.0 (see section 4.3)
# and use this format instead:
# outdata.set("INTEGER", 32, pack("@ii", 2, 0))
thestring = "VERSION"
self.clipboard.set_text(thestring, len(thestring))
# Having acquired the selection, we have to announce our existence
# (ICCCM 2.8, still). The details here probably don't matter too
# much; I've never heard of an app that cares about these messages,
# and metacity actually gets the format wrong in several ways (no
# MANAGER or owner_window atoms). But might as well get it as right
# as possible.
# To announce our existence, we need:
# -- the timestamp we arrived at
# -- the manager selection atom
# -- the window that registered the selection
# Of course, because Gtk is doing so much magic for us, we have to do
# some weird tricks to get at these.
# Ask ourselves when we acquired the selection:
timestamp_atom = Gdk.Atom.intern("TIMESTAMP", False)
contents = self.clipboard.wait_for_contents(timestamp_atom)
ts_data = contents.get_data()
log("ManagerSelection.acquire(%s) %s.wait_for_contents(%s)=%s",
when, self.clipboard, timestamp_atom, ts_data)
#data is a timestamp, X11 datatype is Time which is CARD32,
#(which is 64 bits on 64-bit systems!)
Lsize = calcsize("@L")
if len(ts_data)==Lsize:
ts_num = unpack("@L", ts_data[:Lsize])[0]
else:
ts_num = 0 #CurrentTime
log.warn("invalid data for 'TIMESTAMP': %s", ([hex(ord(x)) for x in ts_data]))
log("selection timestamp(%s)=%s", ts_data, ts_num)
# Calculate the X atom for this selection:
selection_xatom = get_xatom(self.atom)
# Ask X what window we used:
self._xwindow = X11WindowBindings().XGetSelectionOwner(self.atom)
root = self.clipboard.get_display().get_default_screen().get_root_window()
xid = root.get_xid()
X11WindowBindings().sendClientMessage(xid, xid, False, StructureNotifyMask,
"MANAGER",
ts_num, selection_xatom, self._xwindow)
if old_owner != XNone and when is self.FORCE:
# Block in a recursive mainloop until the previous owner has
# cleared out.
try:
with xsync:
window = get_pywindow(old_owner)
window.set_events(window.get_events() | Gdk.EventMask.STRUCTURE_MASK)
log("got window")
except XError:
log("Previous owner is already gone? not blocking", exc_info=True)
else:
log("Waiting for previous owner to exit...")
add_event_receiver(window, self)
self.exit_timer = GLib.timeout_add(SELECTION_EXIT_TIMEOUT*1000, self.exit_timeout)
Gtk.main()
if self.exit_timer:
GLib.source_remove(self.exit_timer)
self.exit_timer = None
log("...they did.")
window = get_pywindow(self._xwindow)
window.set_title("Xpra-ManagerSelection-%s" % self.atom)
self.clipboard.connect("owner-change", self._owner_change)
_prop_types = {
# Python type, X type Atom, formatbits, serializer, deserializer, list
# terminator
"utf8": (unicode, "UTF8_STRING", 8,
lambda disp, u: u.encode("UTF-8"),
lambda disp, d: d.decode("UTF-8"),
"\0"),
# In theory, there should be something clever about COMPOUND_TEXT here. I
# am not sufficiently clever to deal with COMPOUNT_TEXT. Even knowing
# that Xutf8TextPropertyToTextList exists.
"latin1": (unicode, "STRING", 8,
lambda disp, u: u.encode("latin1"),
lambda disp, d: d.decode("latin1"),
"\0"),
"atom": (str, "ATOM", 32,
lambda disp, a: struct.pack("@I", get_xatom(a)),
_get_atom,
""),
"state": ((int, long), "WM_STATE", 32,
lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0],
""),
"u32": ((int, long), "CARDINAL", 32,
lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0],
""),
"visual": (gtk.gdk.Visual, "VISUALID", 32,
lambda disp, c: struct.pack("=I", get_xvisual(c)),
unsupported,
""),
"window": (gtk.gdk.Window, "WINDOW", 32,
log.info("get_multiple value is not an atom: %s", d)
return str(d)
return _get_atom(disp, d)
_prop_types = {
# Python type, X type Atom, formatbits, serializer, deserializer, list
# terminator
"utf8": (unicode, "UTF8_STRING", 8, lambda disp, u: u.encode("UTF-8"),
lambda disp, d: d.decode("UTF-8"), "\0"),
# In theory, there should be something clever about COMPOUND_TEXT here. I
# am not sufficiently clever to deal with COMPOUNT_TEXT. Even knowing
# that Xutf8TextPropertyToTextList exists.
"latin1": (unicode, "STRING", 8, lambda disp, u: u.encode("latin1"),
lambda disp, d: d.decode("latin1"), "\0"),
"atom": (str, "ATOM", 32, lambda disp, a: struct.pack("@I", get_xatom(a)),
_get_atom, ""),
"state":
((int, long), "WM_STATE", 32, lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0], ""),
"u32": ((int, long), "CARDINAL", 32, lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0], ""),
"integer":
((int, long), "INTEGER", 32, lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0], ""),
"visual":
(gtk.gdk.Visual, "VISUALID", 32,
lambda disp, c: struct.pack("=I", get_xvisual(c)), unsupported, ""),
"window": (gtk.gdk.Window, "WINDOW", 32,
lambda disp, c: struct.pack("=I", get_xwindow(c)),
lambda disp, d: get_pywindow(disp,
_prop_types = {
# Python type, X type Atom, formatbits, serializer, deserializer, list
# terminator
"utf8": (unicode, "UTF8_STRING", 8,
lambda disp, u: u.encode("UTF-8"),
lambda disp, d: d.decode("UTF-8"),
"\0"),
# In theory, there should be something clever about COMPOUND_TEXT here. I
# am not sufficiently clever to deal with COMPOUNT_TEXT. Even knowing
# that Xutf8TextPropertyToTextList exists.
"latin1": (unicode, "STRING", 8,
lambda disp, u: u.encode("latin1"),
lambda disp, d: d.decode("latin1"),
"\0"),
"atom": (str, "ATOM", 32,
lambda disp, a: struct.pack("@I", get_xatom(a)),
_get_atom,
""),
"u32": ((int, long), "CARDINAL", 32,
lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0],
""),
"visual": (gtk.gdk.Visual, "VISUALID", 32,
lambda disp, c: struct.pack("=I", get_xvisual(c)),
unsupported,
""),
"window": (gtk.gdk.Window, "WINDOW", 32,
lambda disp, c: struct.pack("=I", get_xwindow(c)),
lambda disp, d: get_pywindow(disp, struct.unpack("=I", d)[0]),
""),
"wm-size-hints": (WMSizeHints, "WM_SIZE_HINTS", 32,