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@ -2,7 +2,7 @@
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Copyright (C) 2002-2010 Karl J. Runge <runge@karlrunge.com>
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All rights reserved.
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x11vnc README file Date: Tue Dec 21 13:47:44 EST 2010
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x11vnc README file Date: Mon Dec 27 20:58:57 EST 2010
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The following information is taken from these URLs:
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@ -924,12 +924,19 @@ make
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* The list of new uinput parameters for the above two features is:
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pressure, tslib_cal, touch_always, dragskip, btn_touch;
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direct_rel, direct_abs, direct_btn, direct_key.
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* The MacOSX native server can now use OpenGL for the screen
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capture. In nearly all cases this is faster than the raw
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framebuffer capture method. There are build and run time flags,
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X11VNC_MACOSX_NO_DEPRECATED, etc. to disable use of deprecated
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input injection and screen access interfaces. Cursor shape now
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works for 64bit binaries.
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* The included SSL enabled Java VNC Viewers now handle Mouse Wheel
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events.
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* miscellaneous new features and changes: In -reflect mode, the
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libvncclient connection can now have the pixel format modified via
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the environment variables X11VNC_REFLECT_bitsPerSample,
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X11VNC_REFLECT_samplesPerPixel, and X11VNC_REFLECT_bytesPerPixel
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* miscellaneous new features and changes:
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* In -reflect mode, the libvncclient connection can now have the
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pixel format modified via the environment variables
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X11VNC_REFLECT_bitsPerSample, X11VNC_REFLECT_samplesPerPixel, and
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X11VNC_REFLECT_bytesPerPixel
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* In -create mode the following environment variables are added to
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fine tune the behavior: FIND_DISPLAY_NO_LSOF: do not use lsof(1)
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to try to determine the Linux VT, FIND_DISPLAY_NO_VT_FIND: do not
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@ -941,6 +948,9 @@ make
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* In -unixpw mode, one can now Tab from login: to Password.
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* An environment variable, X11VNC_SB_FACTOR, allows one to scale the
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-sb screenblank sleep time from the default 2 secs.
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* An experimental option -unixsock is available for testing. Note,
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however, that it requires a manual change to
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libvncserver/rfbserver.c for it to work.
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* Documented that -grabkbd is no longer working with some/most
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window managers (it can prevent resizing and menu posting.)
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@ -3489,8 +3499,8 @@ if [ "$RFB_CLIENT_IP" != "127.0.0.1" -o "$RFB_SERVER_IP" != "127.0.0.1" ]; then
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exit 1 # something fishy... reject it.
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fi
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user=`echo "$RFB_CLIENT_PORT, $RFB_SERVER_PORT" | nc -w 1 $RFB_CLIENT_IP 113 \
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| grep 'USERID.*UNIX' | head -1 | sed -e 's/[\r ]//g' | awk -F: '{print
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$4}'`
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| grep 'USERID.*UNIX' | head -n 1 | sed -e 's/[\r ]//g' | awk -F: '{pri
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nt $4}'`
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for okuser in fred barney wilma betty
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do
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@ -3504,6 +3514,67 @@ exit 1 # reject it
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UsePrivilegeSeparation must be enabled otherwise the userid will
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always be "root".
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Here is a similar example based on Linux netstat(1) output:
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#!/bin/sh
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#
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# accept_local_netstat: x11vnc -accept command to accept a local
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# vncviewer connection from acceptable users. Linux netstat -nte is used.
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PATH=/bin:/usr/bin:$PATH; export PATH; # set to get system utils
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allowed="`id -u fred`"; # add more user numbers if desired.
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# check required settings
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ok=1
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if [ "X$allowed" = "X" ]; then
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ok=0; # something wrong with allowed list
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fi
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if [ "X$RFB_CLIENT_IP" != "X127.0.0.1" -o "X$RFB_SERVER_IP" != "X127.0.0.1" ];
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then
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ok=0; # connection not over localhost
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fi
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if [ "$RFB_CLIENT_PORT" -le 0 -o "$RFB_SERVER_PORT" -le 0 ]; then
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ok=0; # something wrong with tcp port numbers
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fi
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if [ "$ok" = 0 ]; then
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echo "$0: invalid setting:" 1>&2
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env | grep ^RFB | sort 1>&2
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exit 1
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fi
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# Linux netstat -nte:
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# Proto Recv-Q Send-Q Local Address Foreign Address State
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User Inode
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# 0 0 0 RFB_CLIENT RFB_SERVER ESTABLISHED
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nnnn ....
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#
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user=`netstat -nte | grep ESTABLISHED \
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| grep " $RFB_CLIENT_IP:$RFB_CLIENT_PORT *$RFB_SERVER_IP:$RFB_SERVER_P
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ORT "`
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echo "netstat match: $user" 1>&2
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user=`echo "$user" | head -n 1 | sed -e 's/^.*ESTABLISHED/ /' | awk '{print $1}
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'`
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ok=0
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for u in $allowed
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do
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if [ "X$user" = "X$u" ]; then
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ok=1
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break
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fi
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done
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if [ "X$ok" = "X1" ]; then
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echo "$0: user accepted: '$user'" 1>&2
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exit 0
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else
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echo "$0: user '$user' invalid:" 1>&2
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echo "$0: allowed: $allowed" 1>&2
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env | grep ^RFB | sort 1>&2
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exit 1
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fi
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Q-39: Can I supply an external program to provide my own custom login
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method (e.g. Dynamic/One-time passwords or non-Unix (LDAP) usernames
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@ -8184,9 +8255,9 @@ rm -f $tmp
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Terminal windows (you can't delete them since that will kill x11vnc.)
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Update Aug/2010: A user reports the following useful information:
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This is not a problem on Mac OS X 10.6.x when connecting via ssh to
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start x11vnc. And, on Mac OS X 10.5.x, the problem can be permanently
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eliminated by doing this:
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This is not a problem on Mac OS X 10.6.x (Snow Leopard) when connecting
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via ssh to start x11vnc. And, on Mac OS X 10.5.x (Leopard), the problem
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can be permanently eliminated by doing this:
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sudo /usr/libexec/PlistBuddy -c 'delete :LimitLoadToSessionType' \
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@ -8198,6 +8269,9 @@ and then restarting (yes, you must restart not just log off). But
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ONLY do that for Mac OS X 10.5.x and NOT for 10.6.x (which doesn't
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need it anyway).
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We recently got access to a MacOSX 10.6.4 (Snow Leopard) macbook and
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have confirmed that the above is correct.
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Q-120: Can x11vnc be used as a VNC reflector/repeater to improve
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performance for the case of a large number of simultaneous VNC viewers
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@ -12285,7 +12359,7 @@ x11vnc: a VNC server for real X displays
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Here are all of x11vnc command line options:
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% x11vnc -opts (see below for -help long descriptions)
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x11vnc: allow VNC connections to real X11 displays. 0.9.13 lastmod: 2010-12-21
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x11vnc: allow VNC connections to real X11 displays. 0.9.13 lastmod: 2010-12-27
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x11vnc options:
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-display disp -auth file -N
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@ -12304,80 +12378,81 @@ x11vnc options:
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-avahi -mdns -zeroconf
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-connect string -connect_or_exit str -proxy string
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-vncconnect -novncconnect -allow host1[,host2..]
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-localhost -listen6 str -nolookup
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-input string -grabkbd -grabptr
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-ungrabboth -grabalways -viewpasswd string
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-passwdfile filename -showrfbauth filename -unixpw [list]
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-unixpw_nis [list] -unixpw_cmd cmd -find
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-finddpy -listdpy -findauth [disp]
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-create -xdummy -xvnc
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-xvnc_redirect -xdummy_xvfb -create_xsrv str
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-svc -svc_xdummy -svc_xvnc
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-svc_xdummy_xvfb -xdmsvc -sshxdmsvc
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-unixpw_system_greeter -redirect port -display WAIT:...
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-vencrypt mode -anontls mode -sslonly
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-dhparams file -nossl -ssl [pem]
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-ssltimeout n -sslnofail -ssldir dir
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-sslverify path -sslCRL path -sslGenCA [dir]
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-sslGenCert type name -sslEncKey pem -sslCertInfo pem
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-sslDelCert pem -sslScripts -stunnel [pem]
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-stunnel3 [pem] -enc cipher:keyfile -https [port]
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-httpsredir [port] -http_oneport -ssh user@host:disp
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-usepw -storepasswd pass file -nopw
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-accept string -afteraccept string -gone string
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-users list -noshm -flipbyteorder
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-onetile -solid [color] -blackout string
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-xinerama -noxinerama -xtrap
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-xrandr [mode] -rotate string -padgeom WxH
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-o logfile -flag file -rmflag file
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-rc filename -norc -env VAR=VALUE
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-prog /path/to/x11vnc -h, -help -?, -opts
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-V, -version -license -dbg
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-q, -quiet -v, -verbose -bg
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-modtweak -nomodtweak -xkb
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-noxkb -capslock -skip_lockkeys
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-noskip_lockkeys -skip_keycodes string -sloppy_keys
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-skip_dups -noskip_dups -add_keysyms
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-noadd_keysyms -clear_mods -clear_keys
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-clear_all -remap string -norepeat
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-repeat -nofb -nobell
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-nosel -noprimary -nosetprimary
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-noclipboard -nosetclipboard -seldir string
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-cursor [mode] -nocursor -cursor_drag
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-arrow n -noxfixes -alphacut n
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-alphafrac fraction -alpharemove -noalphablend
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-nocursorshape -cursorpos -nocursorpos
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-xwarppointer -noxwarppointer -always_inject
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-buttonmap string -nodragging -ncache n
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-ncache_cr -ncache_no_moveraise -ncache_no_dtchange
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-ncache_no_rootpixmap -ncache_keep_anims -ncache_old_wm
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-ncache_pad n -debug_ncache -wireframe [str]
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-nowireframe -nowireframelocal -wirecopyrect mode
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-nowirecopyrect -debug_wireframe -scrollcopyrect mode
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-noscrollcopyrect -scr_area n -scr_skip list
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-scr_inc list -scr_keys list -scr_term list
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-scr_keyrepeat lo-hi -scr_parms string -fixscreen string
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-debug_scroll -noxrecord -grab_buster
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-nograb_buster -debug_grabs -debug_sel
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-pointer_mode n -input_skip n -allinput
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-input_eagerly -speeds rd,bw,lat -wmdt string
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-debug_pointer -debug_keyboard -defer time
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-wait time -extra_fbur n -wait_ui factor
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-setdefer n -nowait_bog -slow_fb time
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-xrefresh time -nap -nonap
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-sb time -readtimeout n -ping n
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-nofbpm -fbpm -nodpms
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-dpms -forcedpms -clientdpms
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-noserverdpms -noultraext -chatwindow
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-noxdamage -xd_area A -xd_mem f
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-sigpipe string -threads -nothreads
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-fs f -gaps n -grow n
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-fuzz n -debug_tiles -snapfb
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-rawfb string -freqtab file -pipeinput cmd
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-macnodim -macnosleep -macnosaver
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-macnowait -macwheel n -macnoswap
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-macnoresize -maciconanim n -macmenu
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-macuskbd -gui [gui-opts] -remote command
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-localhost -unixsock str -listen6 str
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-nolookup -input string -grabkbd
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-grabptr -ungrabboth -grabalways
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-viewpasswd string -passwdfile filename -showrfbauth filename
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-unixpw [list] -unixpw_nis [list] -unixpw_cmd cmd
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-find -finddpy -listdpy
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-findauth [disp] -create -xdummy
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-xvnc -xvnc_redirect -xdummy_xvfb
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-create_xsrv str -svc -svc_xdummy
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-svc_xvnc -svc_xdummy_xvfb -xdmsvc
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-sshxdmsvc -unixpw_system_greeter -redirect port
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-display WAIT:... -vencrypt mode -anontls mode
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-sslonly -dhparams file -nossl
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-ssl [pem] -ssltimeout n -sslnofail
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-ssldir dir -sslverify path -sslCRL path
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-sslGenCA [dir] -sslGenCert type name -sslEncKey pem
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-sslCertInfo pem -sslDelCert pem -sslScripts
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-stunnel [pem] -stunnel3 [pem] -enc cipher:keyfile
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-https [port] -httpsredir [port] -http_oneport
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-ssh user@host:disp -usepw -storepasswd pass file
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-nopw -accept string -afteraccept string
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-gone string -users list -noshm
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-flipbyteorder -onetile -solid [color]
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-blackout string -xinerama -noxinerama
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-xtrap -xrandr [mode] -rotate string
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-padgeom WxH -o logfile -flag file
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-rmflag file -rc filename -norc
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-env VAR=VALUE -prog /path/to/x11vnc -h, -help
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-?, -opts -V, -version -license
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-dbg -q, -quiet -v, -verbose
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-bg -modtweak -nomodtweak
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-xkb -noxkb -capslock
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-skip_lockkeys -noskip_lockkeys -skip_keycodes string
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-sloppy_keys -skip_dups -noskip_dups
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-add_keysyms -noadd_keysyms -clear_mods
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-clear_keys -clear_all -remap string
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-norepeat -repeat -nofb
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-nobell -nosel -noprimary
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-nosetprimary -noclipboard -nosetclipboard
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-seldir string -cursor [mode] -nocursor
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-cursor_drag -arrow n -noxfixes
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-alphacut n -alphafrac fraction -alpharemove
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-noalphablend -nocursorshape -cursorpos
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-nocursorpos -xwarppointer -noxwarppointer
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-always_inject -buttonmap string -nodragging
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-ncache n -ncache_cr -ncache_no_moveraise
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-ncache_no_dtchange -ncache_no_rootpixmap -ncache_keep_anims
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-ncache_old_wm -ncache_pad n -debug_ncache
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-wireframe [str] -nowireframe -nowireframelocal
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-wirecopyrect mode -nowirecopyrect -debug_wireframe
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-scrollcopyrect mode -noscrollcopyrect -scr_area n
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-scr_skip list -scr_inc list -scr_keys list
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-scr_term list -scr_keyrepeat lo-hi -scr_parms string
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-fixscreen string -debug_scroll -noxrecord
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-grab_buster -nograb_buster -debug_grabs
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-debug_sel -pointer_mode n -input_skip n
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-allinput -input_eagerly -speeds rd,bw,lat
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-wmdt string -debug_pointer -debug_keyboard
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-defer time -wait time -extra_fbur n
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-wait_ui factor -setdefer n -nowait_bog
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-slow_fb time -xrefresh time -nap
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-nonap -sb time -readtimeout n
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-ping n -nofbpm -fbpm
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-nodpms -dpms -forcedpms
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-clientdpms -noserverdpms -noultraext
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-chatwindow -noxdamage -xd_area A
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-xd_mem f -sigpipe string -threads
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-nothreads -fs f -gaps n
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-grow n -fuzz n -debug_tiles
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-snapfb -rawfb string -freqtab file
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-pipeinput cmd -macnodim -macnosleep
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-macnosaver -macnowait -macwheel n
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-macnoswap -macnoresize -maciconanim n
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-macmenu -macuskbd -macnoopengl
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-macnorawfb -gui [gui-opts] -remote command
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-query variable -QD variable -sync
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-query_retries str -remote_prefix str -noremote
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-yesremote -unsafe -safer
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@ -12416,7 +12491,7 @@ libvncserver-tight-extension options:
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% x11vnc -help
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x11vnc: allow VNC connections to real X11 displays. 0.9.13 lastmod: 2010-12-21
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x11vnc: allow VNC connections to real X11 displays. 0.9.13 lastmod: 2010-12-27
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(type "x11vnc -opts" to just list the options.)
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@ -13162,6 +13237,20 @@ Options:
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IPv6: if IPv6 is supported, this option automatically
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implies the IPv6 loopback address '::1' as well.
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-unixsock str Listen on the unix socket (AF_UNIX) 'str'
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for connections. This mode is for either local
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connections or a tunnel endpoint where one wants the
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file permission of the unix socket file to determine
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what can connect to it. (This currently requires an
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edit to libvnserver/rfbserver.c: comment out lines 310
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and 311, 'close(sock)' and 'return NULL' in rfbserver.c
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after the setsockopt() call.) Note that to disable all
|
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tcp listening ports specify '-rfbport 0' and should be
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|
useful with this mode. Example:
|
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|
|
mkdir ~/s; chmod 700 ~/s;
|
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|
|
x11vnc -unixsock ~/s/mysock -rfbport 0 ...
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|
The SSVNC unix vncviewer can connect to unix sockets.
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-listen6 str When in IPv6 listen mode "-6", listen only on the
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network interface with address "str". It also works
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for link scope addresses (fe80::219:dbff:fee5:3f92%eth0)
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|
@ -17193,6 +17282,42 @@ er
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because they have animated fades, etc.)
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-macuskbd For the native MacOSX server, use the original
|
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|
keystroke insertion code based on a US keyboard.
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-macnoopengl For the native MacOSX server, do not use OpenGL for
|
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|
screen capture, but rather use the original, deprecated
|
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|
|
raw memory access method: addr = CGDisplayBaseAddress().
|
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|
-macnorawfb For the native MacOSX server, disable the raw memory
|
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|
|
address screen capture method.
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MACOSX NOTE: There are some deprecated MacOSX interfaces
|
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|
|
to inject keyboard and mouse events and the raw memory
|
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|
|
|
access method is deprecated as well (however, OpenGL
|
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|
|
will be preferred if available because it is faster.)
|
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|
|
One can force not using any deprecated interfaces at
|
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|
|
|
compile time by setting -DX11VNC_MACOSX_NO_DEPRECATED=1
|
|
|
|
|
in CPPFLAGS. Or to turn them off one by one:
|
|
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|
|
-DX11VNC_MACOSX_NO_DEPRECATED_LOCALEVENTS=1,
|
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|
|
-DX11VNC_MACOSX_NO_DEPRECATED_POSTEVENTS=1 or
|
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|
|
-DX11VNC_MACOSX_NO_DEPRECATED_FRAMEBUFFER=1
|
|
|
|
|
At run time, for testing and workarounds, one can
|
|
|
|
|
disable them by using:
|
|
|
|
|
-env X11VNC_MACOSX_NO_DEPRECATED=1
|
|
|
|
|
-env X11VNC_MACOSX_NO_DEPRECATED_LOCALEVENTS=1
|
|
|
|
|
-env X11VNC_MACOSX_NO_DEPRECATED_POSTEVENTS=1 or
|
|
|
|
|
-env X11VNC_MACOSX_NO_DEPRECATED_FRAMEBUFFER=1
|
|
|
|
|
Note: When doing either of these for the mouse input
|
|
|
|
|
not everything works currently, e.g. double clicks and
|
|
|
|
|
wireframing. Also, screen resolution and pixel depth
|
|
|
|
|
changes will not be automatically detected unless the
|
|
|
|
|
deprecated framebuffer interfaces are allowed.
|
|
|
|
|
|
|
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|
|
Conversely, if you are compiling on an
|
|
|
|
|
older machine that does not have some of
|
|
|
|
|
the newer interfaces, you may need to specify
|
|
|
|
|
-DX11VNC_MACOSX_NO_CGEVENTCREATESCROLLWHEELEVENT
|
|
|
|
|
-DX11VNC_MACOSX_NO_CGEVENTCREATEMOUSEEVENT or
|
|
|
|
|
-DX11VNC_MACOSX_NO_CGEVENTCREATEKEYBOARDEVENT. Use
|
|
|
|
|
-DX11VNC_MACOSX_USE_GETMAINDEVICE to regain the very
|
|
|
|
|
old QuickDraw GetMainDevice() interface (rare...)
|
|
|
|
|
|
|
|
|
|
-gui [gui-opts] Start up a simple tcl/tk gui based on the remote
|
|
|
|
|
control options -remote/-query described below.
|
|
|
|
|
|
runge
12 years ago