def do_xpra_client_message_event(self, event):
if event.message_type == "_NET_SYSTEM_TRAY_OPCODE" and event.window == self.tray_window and event.format == 32:
opcode = event.data[1]
SYSTEM_TRAY_REQUEST_DOCK = 0
SYSTEM_TRAY_BEGIN_MESSAGE = 1
SYSTEM_TRAY_CANCEL_MESSAGE = 2
if opcode == SYSTEM_TRAY_REQUEST_DOCK:
xid = event.data[2]
log("tray docking request from %#x", xid)
trap.call_synced(self.dock_tray, xid)
elif opcode == SYSTEM_TRAY_BEGIN_MESSAGE:
timeout = event.data[2]
mlen = event.data[3]
mid = event.data[4]
log.info(
"tray begin message timeout=%s, mlen=%s, mid=%s - not handled yet!",
timeout, mlen, mid)
elif opcode == SYSTEM_TRAY_CANCEL_MESSAGE:
mid = event.data[2]
log.info("tray cancel message for mid=%s - not handled yet!",
mid)
elif event.message_type == "_NET_SYSTEM_TRAY_MESSAGE_DATA":
assert event.format == 8
log.info("tray message data - not handled yet!")
elif event.message_type in IGNORED_MESSAGE_TYPES:
log(
"do_xpra_client_message_event(%s) in ignored message type list",
event)
else:
log.info("do_xpra_client_message_event(%s)", event)
def do_xpra_client_message_event(self, event):
if event.message_type=="_NET_SYSTEM_TRAY_OPCODE" and event.window==self.tray_window and event.format==32:
opcode = event.data[1]
SYSTEM_TRAY_REQUEST_DOCK = 0
SYSTEM_TRAY_BEGIN_MESSAGE = 1
SYSTEM_TRAY_CANCEL_MESSAGE = 2
if opcode==SYSTEM_TRAY_REQUEST_DOCK:
xid = event.data[2]
log("tray docking request from %#x", xid)
trap.call_synced(self.dock_tray, xid)
elif opcode==SYSTEM_TRAY_BEGIN_MESSAGE:
timeout = event.data[2]
mlen = event.data[3]
mid = event.data[4]
log.info("tray begin message timeout=%s, mlen=%s, mid=%s - not handled yet!", timeout, mlen, mid)
elif opcode==SYSTEM_TRAY_CANCEL_MESSAGE:
mid = event.data[2]
log.info("tray cancel message for mid=%s - not handled yet!", mid)
elif event.message_type=="_NET_SYSTEM_TRAY_MESSAGE_DATA":
assert event.format==8
log.info("tray message data - not handled yet!")
elif event.message_type in IGNORED_MESSAGE_TYPES:
log("do_xpra_client_message_event(%s) in ignored message type list", event)
else:
log.info("do_xpra_client_message_event(%s)", event)
def X11_ungrab(self):
grablog("X11_ungrab")
def do_X11_ungrab():
X11Core.UngrabKeyboard()
X11Core.UngrabPointer()
trap.call_synced(do_X11_ungrab)
def initiate_moveresize(self, x_root, y_root, direction, button, source_indication):
log("initiate_moveresize%s", (x_root, y_root, direction, button, source_indication))
assert HAS_X11_BINDINGS, "cannot handle initiate-moveresize without X11 bindings"
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
def wm_moveresize():
from xpra.gtk_common.gobject_compat import get_xid
root = self.get_window().get_screen().get_root_window()
root_xid = get_xid(root)
xwin = get_xid(self.get_window())
X11Core.UngrabPointer()
X11Window.sendClientMessage(root_xid, xwin, False, event_mask, "_NET_WM_MOVERESIZE",
x_root, y_root, direction, button, source_indication)
trap.call_synced(wm_moveresize)
def _process_button_action(self, proto, packet):
ss = self._server_sources.get(proto)
if ss is None:
return
wid, button, pressed, pointer, modifiers = packet[1:6]
self._process_mouse_common(proto, wid, pointer, modifiers)
ss.user_event()
try:
trap.call_synced(X11Keyboard.xtest_fake_button, button, pressed)
except XError:
err = "Failed to pass on (un)press of mouse button %s" % button
if button >= 4:
err += " (perhaps your Xvfb does not support mousewheels?)"
log.warn(err)
def _process_button_action(self, proto, packet):
ss = self._server_sources.get(proto)
if ss is None:
return
wid, button, pressed, pointer, modifiers = packet[1:6]
self._process_mouse_common(proto, wid, pointer, modifiers)
ss.user_event()
try:
trap.call_synced(X11Keyboard.xtest_fake_button, button, pressed)
except XError:
err = "Failed to pass on (un)press of mouse button %s" % button
if button>=4:
err += " (perhaps your Xvfb does not support mousewheels?)"
log.warn(err)
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:
trap.call_synced(cleanup_x11_filter)
except Exception, e:
log.error("failed to remove x11 event filter: %s", e)
try:
trap.call_synced(cleanup_all_event_receivers)
except Exception, e:
log.error("failed to remove event receivers: %s", e)
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:
trap.call_synced(cleanup_x11_filter)
except Exception, e:
log.error("failed to remove x11 event filter: %s", e)
try:
trap.call_synced(cleanup_all_event_receivers)
except Exception, e:
log.error("failed to remove event receivers: %s", e)
def prop_get(target, key, etype, ignore_errors=False, raise_xerrors=False):
if isinstance(etype, list):
scalar_type = etype[0]
else:
scalar_type = etype
(_, atom, _, _, _, _) = _prop_types[scalar_type]
try:
data = trap.call_synced(X11Window.XGetWindowProperty, get_xwindow(target), key, atom, etype)
if data is None:
if not ignore_errors:
log("Missing property %s (%s)", key, etype)
return None
except XError:
if raise_xerrors:
raise
log.info("Missing window %s or wrong property type %s (%s)", target, key, etype, exc_info=True)
return None
except PropertyError:
if not ignore_errors:
log.info("Missing property or wrong property type %s (%s)", key, etype, exc_info=True)
return None
try:
return _prop_decode(target, etype, data)
except:
if not ignore_errors:
log.warn("Error parsing property %s (type %s); this may be a"
+ " misbehaving application, or bug in Xpra\n"
+ " Data: %r[...?]",
key, etype, data[:160], exc_info=True)
raise
def initiate_moveresize(self, x_root, y_root, direction, button,
source_indication):
log("initiate_moveresize%s",
(x_root, y_root, direction, button, source_indication))
assert HAS_X11_BINDINGS, "cannot handle initiate-moveresize without X11 bindings"
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
def wm_moveresize():
from xpra.gtk_common.gobject_compat import get_xid
root = self.get_window().get_screen().get_root_window()
root_xid = get_xid(root)
xwin = get_xid(self.get_window())
X11Core.UngrabPointer()
X11Window.sendClientMessage(root_xid, xwin, False, event_mask,
"_NET_WM_MOVERESIZE", x_root, y_root,
direction, button, source_indication)
trap.call_synced(wm_moveresize)
def set_workspace(self):
if not self._can_set_workspace:
return -1
root = self.gdk_window().get_screen().get_root_window()
ndesktops = self.get_workspace_count()
workspacelog("%s.set_workspace() workspace=%s ndesktops=%s", self, self._window_workspace, ndesktops)
if ndesktops is None or ndesktops<=1 or self._window_workspace<0:
return -1
workspace = max(0, min(ndesktops-1, self._window_workspace))
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
def send():
from xpra.gtk_common.gobject_compat import get_xid
root_xid = get_xid(root)
xwin = get_xid(self.gdk_window())
X11Window.sendClientMessage(root_xid, xwin, False, event_mask, "_NET_WM_DESKTOP",
workspace, CurrentTime, 0, 0, 0)
trap.call_synced(send)
return workspace
def get_settings(self):
owner = self.xsettings_owner()
log("Fetching current XSettings data, owner=%s", owner)
if owner is None:
return None
try:
return trap.call_synced(prop_get, owner, XSETTINGS, XSETTINGS_TYPE)
except XError:
log("X error while fetching XSettings data; ignored")
return None
def get_settings(self):
owner = self.xsettings_owner()
log("Fetching current XSettings data, owner=%s", owner)
if owner is None:
return None
try:
return trap.call_synced(prop_get, owner, XSETTINGS, XSETTINGS_TYPE)
except XError:
log("X error while fetching 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:
return trap.call_synced(get_pywindow, self._clipboard, owner_x)
except XError:
log("X error while fetching owner of XSettings data; ignored")
return None
def apply_xmodmap(instructions):
try:
unset = trap.call_synced(X11Keyboard.set_xmodmap, instructions)
except:
log.error("apply_xmodmap", exc_info=True)
unset = instructions
if unset is None:
#None means an X11 error occurred, re-do all:
unset = instructions
return unset
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:
return trap.call_synced(get_pywindow, self._clipboard, owner_x)
except XError:
log("X error while fetching owner of XSettings data; ignored")
return None
def set_workspace(self):
if not self._can_set_workspace:
return -1
root = self.gdk_window().get_screen().get_root_window()
ndesktops = self.get_workspace_count()
workspacelog("%s.set_workspace() workspace=%s ndesktops=%s", self,
self._window_workspace, ndesktops)
if ndesktops is None or ndesktops <= 1 or self._window_workspace < 0:
return -1
workspace = max(0, min(ndesktops - 1, self._window_workspace))
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
def send():
from xpra.gtk_common.gobject_compat import get_xid
root_xid = get_xid(root)
xwin = get_xid(self.gdk_window())
X11Window.sendClientMessage(root_xid, xwin, False, event_mask,
"_NET_WM_DESKTOP", workspace,
CurrentTime, 0, 0, 0)
trap.call_synced(send)
return workspace
def prop_get(target, key, etype, ignore_errors=False, raise_xerrors=False):
if isinstance(etype, list):
scalar_type = etype[0]
else:
scalar_type = etype
(_, atom, _, _, _, _) = _prop_types[scalar_type]
try:
data = trap.call_synced(X11Window.XGetWindowProperty,
get_xwindow(target), key, atom, etype)
if data is None:
if not ignore_errors:
log("Missing property %s (%s)", key, etype)
return None
except XError:
if raise_xerrors:
raise
log.info("Missing window %s or wrong property type %s (%s)",
target,
key,
etype,
exc_info=True)
return None
except PropertyError:
if not ignore_errors:
log.info("Missing property or wrong property type %s (%s)",
key,
etype,
exc_info=True)
return None
try:
return _prop_decode(target, etype, data)
except:
if not ignore_errors:
log.warn("Error parsing property %s (type %s); this may be a" +
" misbehaving application, or bug in Xpra\n" +
" Data: %r[...?]",
key,
etype,
data[:160],
exc_info=True)
raise
def X11_ungrab(self):
grablog("X11_ungrab")
def do_X11_ungrab():
X11Core.UngrabKeyboard()
X11Core.UngrabPointer()
trap.call_synced(do_X11_ungrab)
def prop_set(target, key, etype, value):
trap.call_synced(X11Window.XChangeProperty, get_xwindow(target), key,
_prop_encode(target, etype, value))
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 fake_key(self, keycode, press):
keylog("fake_key(%s, %s)", keycode, press)
trap.call_synced(X11Keyboard.xtest_fake_key, keycode, press)
def _manage_client(self, gdkwindow):
try:
if gdkwindow not in self._windows:
trap.call_synced(self.do_manage_client, gdkwindow)
except Exception, e:
log("failed to manage client %s: %s", gdkwindow, e)
def set_screen_size(self, desired_w, desired_h):
root_w, root_h = gtk.gdk.get_default_root_window().get_size()
if desired_w == root_w and desired_h == root_h and not self.fake_xinerama:
return root_w, root_h #unlikely: perfect match already!
#find the "physical" screen dimensions, so we can calculate the required dpi
#(and do this before changing the resolution)
wmm, hmm = 0, 0
client_w, client_h = 0, 0
sss = self._server_sources.values()
for ss in sss:
for s in ss.screen_sizes:
if len(s) >= 10:
#display_name, width, height, width_mm, height_mm, monitors, work_x, work_y, work_width, work_height
client_w = max(client_w, s[1])
client_h = max(client_h, s[2])
wmm = max(wmm, s[3])
hmm = max(hmm, s[4])
xdpi = self.default_dpi or self.dpi or 96
ydpi = self.default_dpi or self.dpi or 96
if wmm > 0 and hmm > 0 and client_w > 0 and client_h > 0:
#calculate "real" dpi using integer calculations:
xdpi = client_w * 254 / wmm / 10
ydpi = client_h * 254 / hmm / 10
log("calculated DPI: %s x %s (from w: %s / %s, h: %s / %s)", xdpi,
ydpi, client_w, wmm, client_h, hmm)
self.set_dpi(xdpi, ydpi)
#try to find the best screen size to resize to:
new_size = None
for w, h in RandR.get_screen_sizes():
if w < desired_w or h < desired_h:
continue #size is too small for client
if new_size:
ew, eh = new_size
if ew * eh < w * h:
continue #we found a better (smaller) candidate already
new_size = w, h
if not new_size:
log.warn("resolution not found for %sx%s", desired_w, desired_h)
return root_w, root_h
log("best resolution for client(%sx%s) is: %s", desired_w, desired_h,
new_size)
#now actually apply the new settings:
w, h = new_size
xinerama_changed = self.save_fakexinerama_config()
#we can only keep things unchanged if xinerama was also unchanged
#(many apps will only query xinerama again if they get a randr notification)
if (w == root_w and h == root_h) and not xinerama_changed:
log.info("best resolution matching %sx%s is unchanged: %sx%s",
desired_w, desired_h, w, h)
return root_w, root_h
try:
if (w == root_w and h == root_h) and xinerama_changed:
#xinerama was changed, but the RandR resolution will not be...
#and we need a RandR change to force applications to re-query it
#so we temporarily switch to another resolution to force
#the change! (ugly! but this works)
temp = {}
for tw, th in RandR.get_screen_sizes():
if tw != w or th != h:
#use the number of extra pixels as key:
#(so we can choose the closest resolution)
temp[abs((tw * th) - (w * h))] = (tw, th)
if len(temp) == 0:
log.warn(
"cannot find a temporary resolution for Xinerama workaround!"
)
else:
k = sorted(temp.keys())[0]
tw, th = temp[k]
log.info(
"temporarily switching to %sx%s as a Xinerama workaround",
tw, th)
RandR.set_screen_size(tw, th)
log.debug("calling RandR.set_screen_size(%s, %s)", w, h)
trap.call_synced(RandR.set_screen_size, w, h)
log.debug("calling RandR.get_screen_size()")
root_w, root_h = RandR.get_screen_size()
log.debug("RandR.get_screen_size()=%s,%s", root_w, root_h)
if root_w != w or root_h != h:
log.error(
"odd, failed to set the new resolution, "
"tried to set it to %sx%s and ended up with %sx%s", w, h,
root_w, root_h)
else:
msg = "server virtual display now set to %sx%s" % (root_w,
root_h)
if desired_w != root_w or desired_h != root_h:
msg += " (best match for %sx%s)" % (desired_w, desired_h)
log.info(msg)
def show_dpi():
sizes_mm = RandR.get_screen_sizes_mm() #ie: [(1280, 1024)]
assert len(sizes_mm) > 0
wmm = sum([x[0] for x in sizes_mm]) / len(sizes_mm)
hmm = sum([x[1] for x in sizes_mm]) / len(sizes_mm)
actual_xdpi = int(root_w * 25.4 / wmm + 0.5)
actual_ydpi = int(root_h * 25.4 / hmm + 0.5)
if actual_xdpi == xdpi and actual_ydpi == ydpi:
log.info("DPI set to %s x %s", xdpi, ydpi)
else:
#should this be a warning:
l = log.info
maxdelta = max(abs(actual_xdpi - xdpi),
abs(actual_ydpi - ydpi))
if maxdelta >= 10:
l = log.warn
l("DPI set to %s x %s (wanted %s x %s)", actual_xdpi,
actual_ydpi, xdpi, ydpi)
if maxdelta >= 10:
l(" you may experience scaling problems, such as huge or small fonts, etc"
)
l(" to fix this issue, try the dpi switch, or use a patched Xdummy driver"
)
#show dpi via idle_add so server has time to change the screen size (mm)
self.idle_add(show_dpi)
except Exception, e:
log.error("ouch, failed to set new resolution: %s",
e,
exc_info=True)
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 set_screen_size(self, desired_w, desired_h):
root_w, root_h = gtk.gdk.get_default_root_window().get_size()
if desired_w==root_w and desired_h==root_h and not self.fake_xinerama:
return root_w,root_h #unlikely: perfect match already!
#find the "physical" screen dimensions, so we can calculate the required dpi
#(and do this before changing the resolution)
wmm, hmm = 0, 0
client_w, client_h = 0, 0
sss = self._server_sources.values()
for ss in sss:
for s in ss.screen_sizes:
if len(s)>=10:
#display_name, width, height, width_mm, height_mm, monitors, work_x, work_y, work_width, work_height
client_w = max(client_w, s[1])
client_h = max(client_h, s[2])
wmm = max(wmm, s[3])
hmm = max(hmm, s[4])
xdpi = self.default_dpi or self.dpi or 96
ydpi = self.default_dpi or self.dpi or 96
if wmm>0 and hmm>0 and client_w>0 and client_h>0:
#calculate "real" dpi using integer calculations:
xdpi = client_w * 254 / wmm / 10
ydpi = client_h * 254 / hmm / 10
log("calculated DPI: %s x %s (from w: %s / %s, h: %s / %s)", xdpi, ydpi, client_w, wmm, client_h, hmm)
self.set_dpi(xdpi, ydpi)
#try to find the best screen size to resize to:
new_size = None
for w,h in RandR.get_screen_sizes():
if w<desired_w or h<desired_h:
continue #size is too small for client
if new_size:
ew,eh = new_size
if ew*eh<w*h:
continue #we found a better (smaller) candidate already
new_size = w,h
if not new_size:
log.warn("resolution not found for %sx%s", desired_w, desired_h)
return root_w, root_h
log("best resolution for client(%sx%s) is: %s", desired_w, desired_h, new_size)
#now actually apply the new settings:
w, h = new_size
xinerama_changed = self.save_fakexinerama_config()
#we can only keep things unchanged if xinerama was also unchanged
#(many apps will only query xinerama again if they get a randr notification)
if (w==root_w and h==root_h) and not xinerama_changed:
log.info("best resolution matching %sx%s is unchanged: %sx%s", desired_w, desired_h, w, h)
return root_w, root_h
try:
if (w==root_w and h==root_h) and xinerama_changed:
#xinerama was changed, but the RandR resolution will not be...
#and we need a RandR change to force applications to re-query it
#so we temporarily switch to another resolution to force
#the change! (ugly! but this works)
temp = {}
for tw,th in RandR.get_screen_sizes():
if tw!=w or th!=h:
#use the number of extra pixels as key:
#(so we can choose the closest resolution)
temp[abs((tw*th) - (w*h))] = (tw, th)
if len(temp)==0:
log.warn("cannot find a temporary resolution for Xinerama workaround!")
else:
k = sorted(temp.keys())[0]
tw, th = temp[k]
log.info("temporarily switching to %sx%s as a Xinerama workaround", tw, th)
RandR.set_screen_size(tw, th)
log.debug("calling RandR.set_screen_size(%s, %s)", w, h)
trap.call_synced(RandR.set_screen_size, w, h)
log.debug("calling RandR.get_screen_size()")
root_w, root_h = RandR.get_screen_size()
log.debug("RandR.get_screen_size()=%s,%s", root_w, root_h)
if root_w!=w or root_h!=h:
log.error("odd, failed to set the new resolution, "
"tried to set it to %sx%s and ended up with %sx%s", w, h, root_w, root_h)
else:
msg = "server virtual display now set to %sx%s" % (root_w, root_h)
if desired_w!=root_w or desired_h!=root_h:
msg += " (best match for %sx%s)" % (desired_w, desired_h)
log.info(msg)
def show_dpi():
sizes_mm = RandR.get_screen_sizes_mm() #ie: [(1280, 1024)]
assert len(sizes_mm)>0
wmm = sum([x[0] for x in sizes_mm]) / len(sizes_mm)
hmm = sum([x[1] for x in sizes_mm]) / len(sizes_mm)
actual_xdpi = int(root_w * 25.4 / wmm + 0.5)
actual_ydpi = int(root_h * 25.4 / hmm + 0.5)
if actual_xdpi==xdpi and actual_ydpi==ydpi:
log.info("DPI set to %s x %s", xdpi, ydpi)
else:
log.info("DPI set to %s x %s (wanted %s x %s)", actual_xdpi, actual_ydpi, xdpi, ydpi)
#show dpi via idle_add so server has time to change the screen size (mm)
self.idle_add(show_dpi)
except Exception, e:
log.error("ouch, failed to set new resolution: %s", e, exc_info=True)
def fake_key(self, keycode, press):
keylog("fake_key(%s, %s)", keycode, press)
trap.call_synced(X11Keyboard.xtest_fake_key, keycode, press)
def _manage_client(self, gdkwindow):
try:
if gdkwindow not in self._windows:
trap.call_synced(self.do_manage_client, gdkwindow)
except Exception, e:
log("failed to manage client %s: %s", gdkwindow, e)
def prop_set(target, key, etype, value):
trap.call_synced(X11Window.XChangeProperty, get_xwindow(target), key,
_prop_encode(target, etype, value))
