def set_initial_resolution(desktop=False):
try:
log = get_vfb_logger()
log("set_initial_resolution")
if desktop:
res = DEFAULT_DESKTOP_VFB_RESOLUTION
else:
res = DEFAULT_VFB_RESOLUTION
from xpra.x11.bindings.randr_bindings import RandRBindings #@UnresolvedImport
#try to set a reasonable display size:
randr = RandRBindings()
if not randr.has_randr():
l = log
if desktop:
l = log.warn
l("Warning: no RandR support,")
l(" default virtual display size unchanged")
return
sizes = randr.get_xrr_screen_sizes()
size = randr.get_screen_size()
log("RandR available, current size=%s, sizes available=%s", size,
sizes)
if res in sizes:
log("RandR setting new screen size to %s", res)
randr.set_screen_size(*res)
except Exception as e:
log("set_initial_resolution(%s)", desktop, exc_info=True)
log.error("Error: failed to set the default screen size:")
log.error(" %s", e)
def set_initial_resolution(res=DEFAULT_VFB_RESOLUTION):
try:
log = get_vfb_logger()
log("set_initial_resolution(%s)", res)
from xpra.x11.bindings.randr_bindings import RandRBindings #@UnresolvedImport
#try to set a reasonable display size:
randr = RandRBindings()
if not randr.has_randr():
log.warn("Warning: no RandR support,")
log.warn(" default virtual display size unchanged")
return
sizes = randr.get_xrr_screen_sizes()
size = randr.get_screen_size()
log("RandR available, current size=%s, sizes available=%s", size, sizes)
if res not in sizes:
log.warn("Warning: cannot set resolution to %s", res)
log.warn(" (this resolution is not available)")
elif res==size:
log("initial resolution already set: %s", res)
else:
log("RandR setting new screen size to %s", res)
randr.set_screen_size(*res)
except Exception as e:
log("set_initial_resolution(%s)", res, exc_info=True)
log.error("Error: failed to set the default screen size:")
log.error(" %s", e)
def get_vrefresh():
v = -1
try:
from xpra.x11.bindings.randr_bindings import RandRBindings #@UnresolvedImport
randr = RandRBindings()
if randr.has_randr():
v = randr.get_vrefresh()
except Exception as e:
screenlog.warn("failed to get VREFRESH: %s", e)
screenlog("get_vrefresh()=%s", v)
return v
def get_vrefresh():
v = -1
if not is_Wayland():
try:
from xpra.x11.bindings.randr_bindings import RandRBindings #@UnresolvedImport
randr = RandRBindings()
if randr.has_randr():
v = randr.get_vrefresh()
except Exception as e:
log("get_vrefresh()", exc_info=True)
log.warn(
"Warning: failed to query the display vertical refresh rate:")
log.warn(" %s", e)
screenlog("get_vrefresh()=%s", v)
return v
def _get_randr_dpi():
if RANDR_DPI and not is_Wayland():
from xpra.gtk_common.error import xlog
from xpra.x11.bindings.randr_bindings import RandRBindings #@UnresolvedImport
with xlog:
randr_bindings = RandRBindings()
if randr_bindings.has_randr():
wmm, hmm = randr_bindings.get_screen_size_mm()
if wmm > 0 and hmm > 0:
w, h = randr_bindings.get_screen_size()
dpix = iround(w * 25.4 / wmm)
dpiy = iround(h * 25.4 / hmm)
screenlog("xdpi=%s, ydpi=%s - size-mm=%ix%i, size=%ix%i",
dpix, dpiy, wmm, hmm, w, h)
return dpix, dpiy
return -1, -1
def _get_randr_dpi():
try:
from xpra.gtk_common.error import xsync
from xpra.x11.bindings.randr_bindings import RandRBindings #@UnresolvedImport
with xsync:
randr_bindings = RandRBindings()
if randr_bindings.has_randr():
wmm, hmm = randr_bindings.get_screen_size_mm()
w, h = randr_bindings.get_screen_size()
dpix = iround(w * 25.4 / wmm)
dpiy = iround(h * 25.4 / hmm)
screenlog("xdpi=%s, ydpi=%s - size-mm=%ix%i, size=%ix%i", dpix,
dpiy, wmm, hmm, w, h)
return dpix, dpiy
except Exception as e:
screenlog.warn("failed to get dpi: %s", e)
return -1, -1
