def xsettings_owner(self):
try:
with xsync:
owner_x = X11Window.XGetSelectionOwner(self._selection)
log("XGetSelectionOwner(%s)=%s", self._selection, owner_x)
if owner_x == XNone:
return None
return get_pywindow(self._clipboard, owner_x)
except XError:
log("X error while fetching owner of XSettings data; ignored")
return None
def xsettings_owner(self):
owner_x = X11Window.XGetSelectionOwner(self._selection)
log("XGetSelectionOwner(%s)=%s", self._selection, owner_x)
if owner_x == XNone:
return None
try:
with xsync:
return get_pywindow(self._clipboard, owner_x)
except XError:
log("X error while fetching owner of XSettings data; ignored")
return None
def _handle_wm_hints_change(self):
with xswallow:
wm_hints = X11Window.getWMHints(self.xid)
if wm_hints is None:
return
# GdkWindow or None
group_leader = None
if "window_group" in wm_hints:
xid = wm_hints.get("window_group")
try:
group_leader = xid, get_pywindow(xid)
except:
group_leader = xid, None
self._updateprop("group-leader", group_leader)
self._updateprop("attention-requested", wm_hints.get("urgency", False))
_input = wm_hints.get("input")
metalog("wm_hints.input = %s", _input)
#we only set this value once:
#(input_field always starts as True, and we then set it to an int)
if self._input_field is True and _input is not None:
#keep the value as an int to differentiate from the start value:
self._input_field = int(_input)
self._update_can_focus()
def _handle_wm_hints_change(self):
with xswallow:
wm_hints = X11Window.getWMHints(self.xid)
if wm_hints is None:
return
# GdkWindow or None
group_leader = None
if "window_group" in wm_hints:
xid = wm_hints.get("window_group")
try:
group_leader = xid, get_pywindow(xid)
except:
group_leader = xid, None
self._updateprop("group-leader", group_leader)
self._updateprop("attention-requested", wm_hints.get("urgency", False))
_input = wm_hints.get("input")
metalog("wm_hints.input = %s", _input)
#we only set this value once:
#(input_field always starts as True, and we then set it to an int)
if self._input_field is True and _input is not None:
#keep the value as an int to differentiate from the start value:
self._input_field = int(_input)
self._update_can_focus()
"atom": (str, "ATOM", 32, lambda disp, a: struct.pack("@I", _get_xatom(a)),
_get_atom, b""),
"state":
((int, long), "WM_STATE", 32, lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0], b""),
"u32": ((int, long), "CARDINAL", 32, lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0], b""),
"integer":
((int, long), "INTEGER", 32, lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0], b""),
"visual":
(gdk.Visual, "VISUALID", 32,
lambda disp, c: struct.pack("=I", get_xvisual(c)), unsupported, b""),
"window": (gdk.Window, "WINDOW", 32,
lambda disp, c: struct.pack("=I", get_xwindow(c)),
lambda disp, d: get_pywindow(disp,
struct.unpack("=I", d)[0]), b""),
"strut": (NetWMStrut, "CARDINAL", 32, unsupported, NetWMStrut, None),
"strut-partial":
(NetWMStrut, "CARDINAL", 32, unsupported, NetWMStrut, None),
"motif-hints": (MotifWMHints, "_MOTIF_WM_HINTS", 32, unsupported,
MotifWMHints, None),
"icon": (cairo.ImageSurface, "CARDINAL", 32, unsupported, NetWMIcons,
None),
"xsettings-settings": (tuple, "_XSETTINGS_SETTINGS", 8, set_xsettings,
get_xsettings, None),
# For uploading ad-hoc instances of the above complex structures to the
# server, so we can test reading them out again:
"debug-CARDINAL": (str, "CARDINAL", 32, lambda disp, c: c,
lambda disp, d: d, None),
# For fetching the extra information on a MULTIPLE clipboard conversion
# request. The exciting thing about MULTIPLE is that it's not actually
def get_window(disp, w):
return get_pywindow(disp, struct.unpack("=I", w)[0])
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)
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(self.clipboard, old_owner)
window.set_events(window.get_events() | gtk.gdk.STRUCTURE_MASK)
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 window(self):
if self._xwindow is None:
return None
return get_pywindow(self.clipboard, self._xwindow)
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)
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(self.clipboard, old_owner)
window.set_events(window.get_events() | gtk.gdk.STRUCTURE_MASK)
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 window(self):
if self._xwindow is None:
return None
return get_pywindow(self.clipboard, self._xwindow)
b""),
"u32": ((int, long), "CARDINAL", 32,
lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0],
b""),
"integer": ((int, long), "INTEGER", 32,
lambda disp, c: struct.pack("=I", c),
lambda disp, d: struct.unpack("=I", d)[0],
b""),
"visual": (gdk.Visual, "VISUALID", 32,
lambda disp, c: struct.pack("=I", get_xvisual(c)),
unsupported,
b""),
"window": (gdk.Window, "WINDOW", 32,
lambda disp, c: struct.pack("=I", get_xwindow(c)),
lambda disp, d: get_pywindow(disp, struct.unpack("=I", d)[0]),
b""),
"strut": (NetWMStrut, "CARDINAL", 32,
unsupported, NetWMStrut, None),
"strut-partial": (NetWMStrut, "CARDINAL", 32,
unsupported, NetWMStrut, None),
"motif-hints": (MotifWMHints, "_MOTIF_WM_HINTS", 32,
unsupported, MotifWMHints, None),
"icon": (cairo.ImageSurface, "CARDINAL", 32,
unsupported, NetWMIcons, None),
"xsettings-settings": (tuple, "_XSETTINGS_SETTINGS", 8,
set_xsettings,
get_xsettings,
None),
# For uploading ad-hoc instances of the above complex structures to the
# server, so we can test reading them out again:
