Commit 03666d6a authored by runge's avatar runge

x11vnc: Fix off-screen bug for -ncache_cr copyrect.

parent e2874d34
2009-03-12 Karl Runge <runge@karlrunge.com>
* x11vnc: Fix off-screen bug for -ncache_cr copyrect.
2009-03-07 Karl Runge <runge@karlrunge.com> 2009-03-07 Karl Runge <runge@karlrunge.com>
* x11vnc: allow range for X11VNC_SKIP_DISPLAY, document grab * x11vnc: allow range for X11VNC_SKIP_DISPLAY, document grab
Xserver issue. Add progress_client() to proceed more quickly Xserver issue. Add progress_client() to proceed more quickly
......
x11vnc README file Date: Sat Mar 7 13:17:22 EST 2009 x11vnc README file Date: Sun Mar 8 14:51:06 EDT 2009
The following information is taken from these URLs: The following information is taken from these URLs:
...@@ -6164,7 +6164,7 @@ EndSection ...@@ -6164,7 +6164,7 @@ EndSection
local viewer-side VNC encoding; is used to swap the pixel data in and local viewer-side VNC encoding; is used to swap the pixel data in and
out of the actual display area. It gives an excellent speedup for out of the actual display area. It gives an excellent speedup for
iconifying/deiconifying and moving windows and re-posting of menus iconifying/deiconifying and moving windows and re-posting of menus
(often it doesn't feel like VNC at all; there is no delay waiting for (often it doesn't feel like VNC at all: there is no delay waiting for
the pixel data to fill in). the pixel data to fill in).
This scheme is nice because it does all of this within the existing This scheme is nice because it does all of this within the existing
...@@ -6175,12 +6175,15 @@ EndSection ...@@ -6175,12 +6175,15 @@ EndSection
protocol, modify a viewer and then also convince users to adopt your protocol, modify a viewer and then also convince users to adopt your
modified VNC Viewer (or get the new features to be folded into the modified VNC Viewer (or get the new features to be folded into the
main VNC viewers, patches accepted, etc... likely takes years before main VNC viewers, patches accepted, etc... likely takes years before
they are deployed in the field) they might be deployed in the field)
A drawback of the "-ncache n" method is that in the VNC Viewer you can A drawback of the "-ncache n" method is that in the VNC Viewer you can
scroll down and actually see the cached pixel data. One will need to scroll down and actually see the cached pixel data. So it looks like
try to adjust the size of the VNC Viewer window so the cache area there is a bug: you can scroll down in your viewer and see a strange
cannot be seen. "history" of windows on your desktop. This is working as intended. One
will need to try to adjust the size of his VNC Viewer window so the
cache area cannot be seen. [537]SSVNC (see below) can do this
automatically.
At some point LibVNCServer may implement a "rfbFBCrop" pseudoencoding At some point LibVNCServer may implement a "rfbFBCrop" pseudoencoding
that viewers can use to learn which portion of the framebuffer to that viewers can use to learn which portion of the framebuffer to
...@@ -6189,14 +6192,14 @@ EndSection ...@@ -6189,14 +6192,14 @@ EndSection
rendering...). rendering...).
The Enhanced TightVNC Viewer (SSVNC) Unix viewer has a nice The Enhanced TightVNC Viewer (SSVNC) Unix viewer has a nice
[537]-ycrop option to help hide the pixel cache area from view. It [538]-ycrop option to help hide the pixel cache area from view. It
will turn on automatically if the framebuffer appears to be very tall will turn on automatically if the framebuffer appears to be very tall
(height more than twice the width), or you can supply the actual value (height more than twice the width), or you can supply the actual value
for the height. If the screen resized by scaling, etc, the ycrop value for the height. If the screen is resized by scaling, etc, the ycrop
is scaled as well. In fullscreen mode you cannot scroll past the end value is scaled as well. In fullscreen mode you cannot scroll past the
of the actual screen, and in non-fullscreen mode the window manager end of the actual screen, and in non-fullscreen mode the window
frame is adjusted to fit the actual display (so you don't see the manager frame is adjusted to fit the actual display (so you don't see
pixel cache region) and the scrollbars are very thin to avoid the pixel cache region) and the scrollbars are very thin to avoid
distraction and trouble fitting inside your display. Use the "-sbwidth distraction and trouble fitting inside your display. Use the "-sbwidth
n" viewer option to make the scrollbars thicker if you like. n" viewer option to make the scrollbars thicker if you like.
...@@ -6206,7 +6209,9 @@ EndSection ...@@ -6206,7 +6209,9 @@ EndSection
be fairly large, 6-12, to achieve good response. This usually requires be fairly large, 6-12, to achieve good response. This usually requires
about 50-100MB of additional RAM on both the client and server sides. about 50-100MB of additional RAM on both the client and server sides.
For example with n=6 a 1280x1024 display will use a framebuffer that For example with n=6 a 1280x1024 display will use a framebuffer that
is 1280x7168: everything below row 1024 is the pixel buffer cache. is 1280x7168: everything below row 1024 is the pixel buffer cache. If
you are running on low memory machines or memory is tight because of
other running applications you should not use -ncache.
The reason for so much memory is because the pixel data is not The reason for so much memory is because the pixel data is not
compressed and so the whole window to be saved must be stored compressed and so the whole window to be saved must be stored
...@@ -6218,7 +6223,7 @@ EndSection ...@@ -6218,7 +6223,7 @@ EndSection
an additional factor of 2 in memory use. an additional factor of 2 in memory use.
However, even in the smallest usage mode with n equal 2 and However, even in the smallest usage mode with n equal 2 and
[538]-ncache_no_rootpixmap set (this requires only 2X additional [539]-ncache_no_rootpixmap set (this requires only 2X additional
framebuffer memory) there is still a noticable improvement for many framebuffer memory) there is still a noticable improvement for many
activities, although it is not as dramatic as with, say n equal 12 and activities, although it is not as dramatic as with, say n equal 12 and
rootpixmap (desktop background) caching enabled. rootpixmap (desktop background) caching enabled.
...@@ -6229,7 +6234,7 @@ EndSection ...@@ -6229,7 +6234,7 @@ EndSection
be tuned to use less, or the VNC community will extend the protocol to be tuned to use less, or the VNC community will extend the protocol to
allow caching and replaying of compressed blobs of data. allow caching and replaying of compressed blobs of data.
Another option to experiment with is "[539]-ncache_cr". By specifying Another option to experiment with is "[540]-ncache_cr". By specifying
it, x11vnc will try to do smooth opaque window moves instead of its it, x11vnc will try to do smooth opaque window moves instead of its
wireframe. This can give a very nice effect (note: on Unix the realvnc wireframe. This can give a very nice effect (note: on Unix the realvnc
viewer seems to be smoother than the tightvnc viewer), but can lead to viewer seems to be smoother than the tightvnc viewer), but can lead to
...@@ -6247,11 +6252,12 @@ EndSection ...@@ -6247,11 +6252,12 @@ EndSection
"Alt" key) 3 times in a row to signal x11vnc to refresh the screen to "Alt" key) 3 times in a row to signal x11vnc to refresh the screen to
all viewers. You may also need to iconify and then deiconify any all viewers. You may also need to iconify and then deiconify any
damaged windows to correct their cache data as well. Note that if you damaged windows to correct their cache data as well. Note that if you
change color depth (e.g. 8bpp to full color) dynamically that will change color viewer depth (e.g. 8bpp to full color) dynamically that
usually lead to the entire extended framebuffer being resent which can will usually lead to the entire extended framebuffer being resent
take a long time over very slow links: it may be better to reconnect which can take a long time over very slow links: it may be better to
and reset the format right after doing so. x11vnc will try to detect reconnect and reset the format right after doing so. x11vnc will try
the format change and clear (make completely black) the cache region. to detect the format change and clear (make completely black) the
cache region.
Gotcha for older Unix VNC Viewers: The older Unix VNC viewers (e.g. Gotcha for older Unix VNC Viewers: The older Unix VNC viewers (e.g.
current TightVNC Unix Viewer) require X server backingstore to keep current TightVNC Unix Viewer) require X server backingstore to keep
...@@ -6285,10 +6291,10 @@ EndSection ...@@ -6285,10 +6291,10 @@ EndSection
As of Feb/2009 (development tarball) there is an experimental kludge As of Feb/2009 (development tarball) there is an experimental kludge
to let you build x11vnc using TurboVNC's modified TightVNC encoding. to let you build x11vnc using TurboVNC's modified TightVNC encoding.
[540]TurboVNC is part of the [541]VirtualGL project. It does two main [541]TurboVNC is part of the [542]VirtualGL project. It does two main
things to speed up the TightVNC encoding: things to speed up the TightVNC encoding:
* A fast proprietary JPEG implemention is used (Intel IPP on x86) * A fast proprietary JPEG implemention is used (Intel IPP on x86)
instead of the usual libjpeg implementation. [542]TurboJPEG is an instead of the usual libjpeg implementation. [543]TurboJPEG is an
interface library, libturbojpeg, provided by the project that interface library, libturbojpeg, provided by the project that
achieves this. achieves this.
* It eliminates bottlenecks, overheads, wait-times in the TightVNC * It eliminates bottlenecks, overheads, wait-times in the TightVNC
...@@ -6297,12 +6303,12 @@ EndSection ...@@ -6297,12 +6303,12 @@ EndSection
TurboVNC works very well over LAN and fast Broadband. When using it TurboVNC works very well over LAN and fast Broadband. When using it
with x11vnc in such a situation you may want to dial down the delays, with x11vnc in such a situation you may want to dial down the delays,
e.g. "[543]-wait 5" and "[544]-defer 5" (or even a smaller setting) to e.g. "[544]-wait 5" and "[545]-defer 5" (or even a smaller setting) to
poll and pump things out more quickly. poll and pump things out more quickly.
See the instructions in "x11vnc/misc/turbovnc/README" for how to build See the instructions in "x11vnc/misc/turbovnc/README" for how to build
x11vnc with TurboVNC support. You will also need to download the x11vnc with TurboVNC support. You will also need to download the
[545]TurboJPEG software. [546]TurboJPEG software.
In brief the steps look like this: In brief the steps look like this:
cd x11vnc-x.y.z/x11vnc/misc/turbovnc cd x11vnc-x.y.z/x11vnc/misc/turbovnc
...@@ -6312,12 +6318,17 @@ EndSection ...@@ -6312,12 +6318,17 @@ EndSection
make AM_LDFLAGS='-lturbojpeg' make AM_LDFLAGS='-lturbojpeg'
where you replace "/DIR" with the directory containing libturbojpeg.so where you replace "/DIR" with the directory containing libturbojpeg.so
you downloaded separately. If you try it, let us know how it goes. If you downloaded separately. If it works out well enough TurboVNC
it works out well enough TurboVNC support will be integrated into support will be integrated into x11vnc and more of its tuning features
x11vnc and more of its tuning features will be implemented. Support in will be implemented. Support for TurboVNC in [547]SSVNC has been added
[546]SSVNC would also be added. as an experiment as well. If you try either one, let us know how it
went.
There also may be some Linux.i686 and Darwin.i386 x11vnc binaries in
the [548]misc. bins directory. For other platforms you will need to
compile yourself.
Potential Slowdown: As we describe [547]elsewhere, unless you use Potential Slowdown: As we describe [549]elsewhere, unless you use
x11vnc with an X server using, say, NVidia proprietary drivers (or a x11vnc with an X server using, say, NVidia proprietary drivers (or a
virtual X server like Xvfb or Xdummy, or in ShadowFB mode), then the virtual X server like Xvfb or Xdummy, or in ShadowFB mode), then the
read rate from the graphics card can rather slow (e.g. 10 MB/sec) and read rate from the graphics card can rather slow (e.g. 10 MB/sec) and
...@@ -6357,23 +6368,23 @@ EndSection ...@@ -6357,23 +6368,23 @@ EndSection
this is because the cursor shape is often downloaded to the graphics this is because the cursor shape is often downloaded to the graphics
hardware (video card), but I could be mistaken. hardware (video card), but I could be mistaken.
A simple kludge is provided by the "[548]-cursor X" option that A simple kludge is provided by the "[550]-cursor X" option that
changes the cursor when the mouse is on the root background (or any changes the cursor when the mouse is on the root background (or any
window has the same cursor as the root background). Note that desktops window has the same cursor as the root background). Note that desktops
like GNOME or KDE often cover up the root background, so this won't like GNOME or KDE often cover up the root background, so this won't
work for those cases. Also see the "[549]-cursor some" option for work for those cases. Also see the "[551]-cursor some" option for
additional kludges. additional kludges.
Note that as of Aug/2004 on Solaris using the SUN_OVL overlay Note that as of Aug/2004 on Solaris using the SUN_OVL overlay
extension and IRIX, x11vnc can show the correct mouse cursor when the extension and IRIX, x11vnc can show the correct mouse cursor when the
[550]-overlay option is supplied. See [551]this FAQ for more info. [552]-overlay option is supplied. See [553]this FAQ for more info.
Also as of Dec/2004 XFIXES X extension support has been added to allow Also as of Dec/2004 XFIXES X extension support has been added to allow
exact extraction of the mouse cursor shape. XFIXES fixes the problem exact extraction of the mouse cursor shape. XFIXES fixes the problem
of the cursor-shape being write-only: x11vnc can now query the X of the cursor-shape being write-only: x11vnc can now query the X
server for the current shape and send it back to the connected server for the current shape and send it back to the connected
viewers. XFIXES is available on recent Linux Xorg based distros and viewers. XFIXES is available on recent Linux Xorg based distros and
[552]Solaris 10. [554]Solaris 10.
The only XFIXES issue is the handling of alpha channel transparency in The only XFIXES issue is the handling of alpha channel transparency in
cursors. If a cursor has any translucency then in general it must be cursors. If a cursor has any translucency then in general it must be
...@@ -6381,7 +6392,7 @@ EndSection ...@@ -6381,7 +6392,7 @@ EndSection
situations where the cursor transparency can also handled exactly: situations where the cursor transparency can also handled exactly:
when the VNC Viewer requires the cursor shape be drawn into the VNC when the VNC Viewer requires the cursor shape be drawn into the VNC
framebuffer or if you apply a patch to your VNC Viewer to extract framebuffer or if you apply a patch to your VNC Viewer to extract
hidden alpha channel data under 32bpp. [553]Details can be found here. hidden alpha channel data under 32bpp. [555]Details can be found here.
Q-80: When using XFIXES cursorshape mode, some of the cursors look Q-80: When using XFIXES cursorshape mode, some of the cursors look
...@@ -6414,17 +6425,17 @@ EndSection ...@@ -6414,17 +6425,17 @@ EndSection
for most cursor themes and you don't have to worry about it. for most cursor themes and you don't have to worry about it.
In case it still looks bad for your cursor theme, there are (of In case it still looks bad for your cursor theme, there are (of
course!) some tunable parameters. The "[554]-alphacut n" option lets course!) some tunable parameters. The "[556]-alphacut n" option lets
you set the threshold "n" (between 0 and 255): cursor pixels with you set the threshold "n" (between 0 and 255): cursor pixels with
alpha values below n will be considered completely transparent while alpha values below n will be considered completely transparent while
values equal to or above n will be completely opaque. The default is values equal to or above n will be completely opaque. The default is
240. The "[555]-alphafrac f" option tries to correct individual 240. The "[557]-alphafrac f" option tries to correct individual
cursors that did not fare well with the default -alphacut value: if a cursors that did not fare well with the default -alphacut value: if a
cursor has less than fraction f (between 0.0 and 1.0) of its pixels cursor has less than fraction f (between 0.0 and 1.0) of its pixels
selected by the default -alphacut, the threshold is lowered until f of selected by the default -alphacut, the threshold is lowered until f of
its pixels are selected. The default fraction is 0.33. its pixels are selected. The default fraction is 0.33.
Finally, there is an option [556]-alpharemove that is useful for Finally, there is an option [558]-alpharemove that is useful for
themes where many cursors are light colored (e.g. "whiteglass"). themes where many cursors are light colored (e.g. "whiteglass").
XFIXES returns the cursor data with the RGB values pre-multiplied by XFIXES returns the cursor data with the RGB values pre-multiplied by
the alpha value. If the white cursors look too grey, specify the alpha value. If the white cursors look too grey, specify
...@@ -6450,10 +6461,10 @@ EndSection ...@@ -6450,10 +6461,10 @@ EndSection
alpha channel data to libvncserver. However, this data will only be alpha channel data to libvncserver. However, this data will only be
used for VNC clients that do not support the CursorShapeUpdates VNC used for VNC clients that do not support the CursorShapeUpdates VNC
extension (or have disabled it). It can be disabled for all clients extension (or have disabled it). It can be disabled for all clients
with the [557]-nocursorshape x11vnc option. In this case the cursor is with the [559]-nocursorshape x11vnc option. In this case the cursor is
drawn, correctly blended with the background, into the VNC framebuffer drawn, correctly blended with the background, into the VNC framebuffer
before being sent out to the client. So the alpha blending is done on before being sent out to the client. So the alpha blending is done on
the x11vnc side. Use the [558]-noalphablend option to disable this the x11vnc side. Use the [560]-noalphablend option to disable this
behavior (always approximate transparent cursors with opaque RGB behavior (always approximate transparent cursors with opaque RGB
values). values).
...@@ -6477,7 +6488,7 @@ EndSection ...@@ -6477,7 +6488,7 @@ EndSection
example on how to change the Windows TightVNC viewer to achieve the example on how to change the Windows TightVNC viewer to achieve the
same thing (send me the patch if you get that working). same thing (send me the patch if you get that working).
This patch is applied to the [559]Enhanced TightVNC Viewer (SSVNC) This patch is applied to the [561]Enhanced TightVNC Viewer (SSVNC)
package we provide. package we provide.
[Mouse Pointer] [Mouse Pointer]
...@@ -6485,9 +6496,9 @@ EndSection ...@@ -6485,9 +6496,9 @@ EndSection
Q-82: Why does the mouse arrow just stay in one corner in my Q-82: Why does the mouse arrow just stay in one corner in my
vncviewer, whereas my cursor (that does move) is just a dot? vncviewer, whereas my cursor (that does move) is just a dot?
This default takes advantage of a [560]tightvnc extension This default takes advantage of a [562]tightvnc extension
(CursorShapeUpdates) that allows specifying a cursor image shape for (CursorShapeUpdates) that allows specifying a cursor image shape for
the local VNC viewer. You may disable it with the [561]-nocursor the local VNC viewer. You may disable it with the [563]-nocursor
option to x11vnc if your viewer does not have this extension. option to x11vnc if your viewer does not have this extension.
Note: as of Aug/2004 this should be fixed: the default for Note: as of Aug/2004 this should be fixed: the default for
...@@ -6501,17 +6512,17 @@ EndSection ...@@ -6501,17 +6512,17 @@ EndSection
clients (i.e. passive viewers can see the mouse cursor being moved clients (i.e. passive viewers can see the mouse cursor being moved
around by another viewer)? around by another viewer)?
Use the [562]-cursorpos option when starting x11vnc. A VNC viewer must Use the [564]-cursorpos option when starting x11vnc. A VNC viewer must
support the Cursor Positions Updates for the user to see the mouse support the Cursor Positions Updates for the user to see the mouse
motions (the TightVNC viewers support this). As of Aug/2004 -cursorpos motions (the TightVNC viewers support this). As of Aug/2004 -cursorpos
is the default. See also [563]-nocursorpos and [564]-nocursorshape. is the default. See also [565]-nocursorpos and [566]-nocursorshape.
Q-84: Is it possible to swap the mouse buttons (e.g. left-handed Q-84: Is it possible to swap the mouse buttons (e.g. left-handed
operation), or arbitrarily remap them? How about mapping button clicks operation), or arbitrarily remap them? How about mapping button clicks
to keystrokes, e.g. to partially emulate Mouse wheel scrolling? to keystrokes, e.g. to partially emulate Mouse wheel scrolling?
You can remap the mouse buttons via something like: [565]-buttonmap You can remap the mouse buttons via something like: [567]-buttonmap
13-31 (or perhaps 12-21). Also, note that xmodmap(1) lets you directly 13-31 (or perhaps 12-21). Also, note that xmodmap(1) lets you directly
adjust the X server's button mappings, but in some circumstances it adjust the X server's button mappings, but in some circumstances it
might be more desirable to have x11vnc do it. might be more desirable to have x11vnc do it.
...@@ -6519,7 +6530,7 @@ EndSection ...@@ -6519,7 +6530,7 @@ EndSection
One user had an X server with only one mouse button(!) and was able to One user had an X server with only one mouse button(!) and was able to
map all of the VNC client mouse buttons to it via: -buttonmap 123-111. map all of the VNC client mouse buttons to it via: -buttonmap 123-111.
Note that the [566]-debug_pointer option prints out much info for Note that the [568]-debug_pointer option prints out much info for
every mouse/pointer event and is handy in solving problems. every mouse/pointer event and is handy in solving problems.
To map mouse button clicks to keystrokes you can use the alternate To map mouse button clicks to keystrokes you can use the alternate
...@@ -6541,7 +6552,7 @@ EndSection ...@@ -6541,7 +6552,7 @@ EndSection
Exactly what keystroke "scrolling" events they should be bound to Exactly what keystroke "scrolling" events they should be bound to
depends on one's taste. If this method is too approximate, one could depends on one's taste. If this method is too approximate, one could
consider not using [567]-buttonmap but rather configuring the X server consider not using [569]-buttonmap but rather configuring the X server
to think it has a mouse with 5 buttons even though the physical mouse to think it has a mouse with 5 buttons even though the physical mouse
does not. (e.g. 'Option "ZAxisMapping" "4 5"'). does not. (e.g. 'Option "ZAxisMapping" "4 5"').
...@@ -6571,7 +6582,7 @@ EndSection ...@@ -6571,7 +6582,7 @@ EndSection
Q-85: How can I get my AltGr and Shift modifiers to work between Q-85: How can I get my AltGr and Shift modifiers to work between
keyboards for different languages? keyboards for different languages?
The option [568]-modtweak should help here. It is a mode that monitors The option [570]-modtweak should help here. It is a mode that monitors
the state of the Shift and AltGr Modifiers and tries to deduce the the state of the Shift and AltGr Modifiers and tries to deduce the
correct keycode to send, possibly by sending fake modifier key presses correct keycode to send, possibly by sending fake modifier key presses
and releases in addition to the actual keystroke. and releases in addition to the actual keystroke.
...@@ -6580,20 +6591,20 @@ EndSection ...@@ -6580,20 +6591,20 @@ EndSection
to get the old behavior). This was done because it was noticed on to get the old behavior). This was done because it was noticed on
newer XFree86 setups even on bland "us" keyboards like "pc104 us" newer XFree86 setups even on bland "us" keyboards like "pc104 us"
XFree86 included a "ghost" key with both "<" and ">" it. This key does XFree86 included a "ghost" key with both "<" and ">" it. This key does
not exist on the keyboard (see [569]this FAQ for more info). Without not exist on the keyboard (see [571]this FAQ for more info). Without
-modtweak there was then an ambiguity in the reverse map keysym => -modtweak there was then an ambiguity in the reverse map keysym =>
keycode, making it so the "<" symbol could not be typed. keycode, making it so the "<" symbol could not be typed.
Also see the [570]FAQ about the -xkb option for a more powerful method Also see the [572]FAQ about the -xkb option for a more powerful method
of modifier tweaking for use on X servers with the XKEYBOARD of modifier tweaking for use on X servers with the XKEYBOARD
extension. extension.
When trying to resolve keyboard mapping problems, note that the When trying to resolve keyboard mapping problems, note that the
[571]-debug_keyboard option prints out much info for every keystroke [573]-debug_keyboard option prints out much info for every keystroke
and so can be useful debugging things. and so can be useful debugging things.
Note that one user had a strange setup and none of the above helped. Note that one user had a strange setup and none of the above helped.
His solution was to disable all of the above and use [572]-nomodtweak. His solution was to disable all of the above and use [574]-nomodtweak.
This is the simplest form of keystroke insertion and it actually This is the simplest form of keystroke insertion and it actually
solved the problem. Try it if the other options don't help. solved the problem. Try it if the other options don't help.
...@@ -6606,9 +6617,9 @@ EndSection ...@@ -6606,9 +6617,9 @@ EndSection
(e.g. pc105 in the XF86Config file when it should be something else, (e.g. pc105 in the XF86Config file when it should be something else,
say pc104). say pc104).
Short Cut: Try the [573]-xkb or [574]-sloppy_keys options and see if Short Cut: Try the [575]-xkb or [576]-sloppy_keys options and see if
that helps the situation. The discussion below is a bit outdated (e.g. that helps the situation. The discussion below is a bit outdated (e.g.
[575]-modtweak is now the default) but it is useful reference for [577]-modtweak is now the default) but it is useful reference for
various tricks and so is kept. various tricks and so is kept.
...@@ -6651,17 +6662,17 @@ EndSection ...@@ -6651,17 +6662,17 @@ EndSection
-remap less-comma -remap less-comma
These are convenient in that they do not modify the actual X server These are convenient in that they do not modify the actual X server
settings. The former ([576]-modtweak) is a mode that monitors the settings. The former ([578]-modtweak) is a mode that monitors the
state of the Shift and AltGr modifiers and tries to deduce the correct state of the Shift and AltGr modifiers and tries to deduce the correct
keycode sequence to send. Since Jul/2004 -modtweak is now the default. keycode sequence to send. Since Jul/2004 -modtweak is now the default.
The latter ([577]-remap less-comma) is an immediate remapping of the The latter ([579]-remap less-comma) is an immediate remapping of the
keysym less to the keysym comma when it comes in from a client (so keysym less to the keysym comma when it comes in from a client (so
when Shift is down the comma press will yield "<"). when Shift is down the comma press will yield "<").
See also the [578]FAQ about the -xkb option as a possible workaround See also the [580]FAQ about the -xkb option as a possible workaround
using the XKEYBOARD extension. using the XKEYBOARD extension.
Note that the [579]-debug_keyboard option prints out much info for Note that the [581]-debug_keyboard option prints out much info for
every keystroke to aid debugging keyboard problems. every keystroke to aid debugging keyboard problems.
...@@ -6669,7 +6680,7 @@ EndSection ...@@ -6669,7 +6680,7 @@ EndSection
less than) instead I get "<," (i.e. an extra comma). less than) instead I get "<," (i.e. an extra comma).
This is likely because you press "Shift" then "<" but then released This is likely because you press "Shift" then "<" but then released
the Shift key before releasing the "<". Because of a [580]keymapping the Shift key before releasing the "<". Because of a [582]keymapping
ambiguity the last event "< up" is interpreted as "," because that key ambiguity the last event "< up" is interpreted as "," because that key
unshifted is the comma. unshifted is the comma.
...@@ -6677,9 +6688,9 @@ EndSection ...@@ -6677,9 +6688,9 @@ EndSection
characters: in general it can happen whenever the Shift key is characters: in general it can happen whenever the Shift key is
released early. released early.
This should not happen in [581]-xkb mode, because it works hard to This should not happen in [583]-xkb mode, because it works hard to
resolve the ambiguities. If you do not want to use -xkb, try the resolve the ambiguities. If you do not want to use -xkb, try the
option [582]-sloppy_keys to attempt a similar type of algorithm. option [584]-sloppy_keys to attempt a similar type of algorithm.
One user had this problem for Italian and German keyboards with the One user had this problem for Italian and German keyboards with the
key containing ":" and "." When he typed ":" he would get an extra "." key containing ":" and "." When he typed ":" he would get an extra "."
...@@ -6707,7 +6718,7 @@ EndSection ...@@ -6707,7 +6718,7 @@ EndSection
In both cases no AltGr is sent to the VNC server, but we know AltGr is In both cases no AltGr is sent to the VNC server, but we know AltGr is
needed on the physical international keyboard to type a "@". needed on the physical international keyboard to type a "@".
This all worked fine with x11vnc running with the [583]-modtweak This all worked fine with x11vnc running with the [585]-modtweak
option (it figures out how to adjust the Modifier keys (Shift or option (it figures out how to adjust the Modifier keys (Shift or
AltGr) to get the "@"). However it fails under recent versions of AltGr) to get the "@"). However it fails under recent versions of
XFree86 (and the X.org fork). These run the XKEYBOARD extension by XFree86 (and the X.org fork). These run the XKEYBOARD extension by
...@@ -6724,7 +6735,7 @@ EndSection ...@@ -6724,7 +6735,7 @@ EndSection
* there is a new option -xkb to use the XKEYBOARD extension API to * there is a new option -xkb to use the XKEYBOARD extension API to
do the Modifier key tweaking. do the Modifier key tweaking.
The [584]-xkb option seems to fix all of the missing keys: "@", "<", The [586]-xkb option seems to fix all of the missing keys: "@", "<",
">", etc.: it is recommended that you try it if you have this sort of ">", etc.: it is recommended that you try it if you have this sort of
problem. Let us know if there are any remaining problems (see the next problem. Let us know if there are any remaining problems (see the next
paragraph for some known problems). If you specify the -debug_keyboard paragraph for some known problems). If you specify the -debug_keyboard
...@@ -6732,7 +6743,7 @@ EndSection ...@@ -6732,7 +6743,7 @@ EndSection
debugging output (send it along with any problems you report). debugging output (send it along with any problems you report).
Update: as of Jun/2005 x11vnc will try to automatically enable Update: as of Jun/2005 x11vnc will try to automatically enable
[585]-xkb if it appears that would be beneficial (e.g. if it sees any [587]-xkb if it appears that would be beneficial (e.g. if it sees any
of "@", "<", ">", "[" and similar keys are mapped in a way that needs of "@", "<", ">", "[" and similar keys are mapped in a way that needs
the -xkb to access them). To disable this automatic check use -noxkb. the -xkb to access them). To disable this automatic check use -noxkb.
...@@ -6747,7 +6758,7 @@ EndSection ...@@ -6747,7 +6758,7 @@ EndSection
was attached to keycode 93 (no physical key generates this was attached to keycode 93 (no physical key generates this
keycode) while ISO_Level3_Shift was attached to keycode 113. The keycode) while ISO_Level3_Shift was attached to keycode 113. The
keycode skipping option was used to disable the ghost key: keycode skipping option was used to disable the ghost key:
[586]-skip_keycodes 93 [588]-skip_keycodes 93
* In implementing -xkb we noticed that some characters were still * In implementing -xkb we noticed that some characters were still
not getting through, e.g. "~" and "^". This is not really an not getting through, e.g. "~" and "^". This is not really an
XKEYBOARD problem. What was happening was the VNC viewer was XKEYBOARD problem. What was happening was the VNC viewer was
...@@ -6765,16 +6776,16 @@ EndSection ...@@ -6765,16 +6776,16 @@ EndSection
What to do? In general the VNC protocol has not really solved this What to do? In general the VNC protocol has not really solved this
problem: what should be done if the VNC viewer sends a keysym not problem: what should be done if the VNC viewer sends a keysym not
recognized by the VNC server side? Workarounds can possibly be recognized by the VNC server side? Workarounds can possibly be
created using the [587]-remap x11vnc option: created using the [589]-remap x11vnc option:
-remap asciitilde-dead_tilde,asciicircum-dead_circumflex -remap asciitilde-dead_tilde,asciicircum-dead_circumflex
etc. Use -remap filename if the list is long. Please send us your etc. Use -remap filename if the list is long. Please send us your
workarounds for this problem on your keyboard. Perhaps we can have workarounds for this problem on your keyboard. Perhaps we can have
x11vnc adjust automatically at some point. Also see the x11vnc adjust automatically at some point. Also see the
[588]-add_keysyms option in the next paragraph. [590]-add_keysyms option in the next paragraph.
Update: for convenience "[589]-remap DEAD" does many of these Update: for convenience "[591]-remap DEAD" does many of these
mappings at once. mappings at once.
* To complement the above workaround using the [590]-remap, an * To complement the above workaround using the [592]-remap, an
option [591]-add_keysyms was added. This option instructs x11vnc option [593]-add_keysyms was added. This option instructs x11vnc
to bind any unknown Keysyms coming in from VNC viewers to unused to bind any unknown Keysyms coming in from VNC viewers to unused
Keycodes in the X server. This modifies the global state of the X Keycodes in the X server. This modifies the global state of the X
server. When x11vnc exits it removes the extra keymappings it server. When x11vnc exits it removes the extra keymappings it
...@@ -6793,7 +6804,7 @@ EndSection ...@@ -6793,7 +6804,7 @@ EndSection
Short answer: disable key autorepeating by running the command "xset r Short answer: disable key autorepeating by running the command "xset r
off" on the Xserver where x11vnc is run (restore via "xset r on") or off" on the Xserver where x11vnc is run (restore via "xset r on") or
use the new (Jul/2004) [592]-norepeat x11vnc option. You will still use the new (Jul/2004) [594]-norepeat x11vnc option. You will still
have autorepeating because that is taken care of on your VNC viewer have autorepeating because that is taken care of on your VNC viewer
side. side.
...@@ -6817,7 +6828,7 @@ EndSection ...@@ -6817,7 +6828,7 @@ EndSection
off", does the problem go away? off", does the problem go away?
The workaround is to manually apply "xset r off" and "xset r on" as The workaround is to manually apply "xset r off" and "xset r on" as
needed, or to use the [593]-norepeat (which has since Dec/2004 been needed, or to use the [595]-norepeat (which has since Dec/2004 been
made the default). Note that with X server autorepeat turned off the made the default). Note that with X server autorepeat turned off the
VNC viewer side of the connection will (nearly always) do its own VNC viewer side of the connection will (nearly always) do its own
autorepeating so there is no big loss here, unless someone is also autorepeating so there is no big loss here, unless someone is also
...@@ -6828,7 +6839,7 @@ EndSection ...@@ -6828,7 +6839,7 @@ EndSection
keystrokes!! keystrokes!!
Are you using x11vnc to log in to an X session via display manager? Are you using x11vnc to log in to an X session via display manager?
(as described in [594]this FAQ) If so, x11vnc is starting before your (as described in [596]this FAQ) If so, x11vnc is starting before your
session and it disables autorepeat when you connect, but then after session and it disables autorepeat when you connect, but then after
you log in your session startup (GNOME, KDE, ...) could be resetting you log in your session startup (GNOME, KDE, ...) could be resetting
the autorepeat to be on. Or it could be something inside your desktop the autorepeat to be on. Or it could be something inside your desktop
...@@ -6876,11 +6887,11 @@ EndSection ...@@ -6876,11 +6887,11 @@ EndSection
pressed one. You need to do this for both the left and right Shift, pressed one. You need to do this for both the left and right Shift,
Alt, Control, etc. keys to be sure. Alt, Control, etc. keys to be sure.
You can also use the [595]-clear_mods option to try to clear all of You can also use the [597]-clear_mods option to try to clear all of
the modifier keys at x11vnc startup. You will still have to be careful the modifier keys at x11vnc startup. You will still have to be careful
that you do not leave the modifier key pressed down during your that you do not leave the modifier key pressed down during your
session. It is difficult to prevent this problem from occurring (short session. It is difficult to prevent this problem from occurring (short
of using [596]-remap to prevent sending all of the problem modifier of using [598]-remap to prevent sending all of the problem modifier
keys, which would make the destkop pretty unusable). keys, which would make the destkop pretty unusable).
During a session these x11vnc remote control commands can also help: During a session these x11vnc remote control commands can also help:
...@@ -6893,16 +6904,16 @@ EndSection ...@@ -6893,16 +6904,16 @@ EndSection
Num_Lock down. When these are locked on the remote side it can Num_Lock down. When these are locked on the remote side it can
sometimes lead to strange desktop behavior (e.g. cannot drag or click sometimes lead to strange desktop behavior (e.g. cannot drag or click
on windows). As above you may not notice this because the lock isn't on windows). As above you may not notice this because the lock isn't
down on the local (Viewer) side. See [597]this FAQ on lock keys down on the local (Viewer) side. See [599]this FAQ on lock keys
problem. These options may help avoid the problem: [598]-skip_lockkeys problem. These options may help avoid the problem: [600]-skip_lockkeys
and [599]-capslock. See also [600]-clear_all. and [601]-capslock. See also [602]-clear_all.
Q-92: The machine where I run x11vnc has an AltGr key, but the local Q-92: The machine where I run x11vnc has an AltGr key, but the local
machine where I run the VNC viewer does not. Is there a way I can map machine where I run the VNC viewer does not. Is there a way I can map
a local unused key to send an AltGr? How about a Compose key as well? a local unused key to send an AltGr? How about a Compose key as well?
Something like "[601]-remap Super_R-Mode_switch" x11vnc option may Something like "[603]-remap Super_R-Mode_switch" x11vnc option may
work. Note that Super_R is the "Right Windoze(tm) Flaggie" key; you work. Note that Super_R is the "Right Windoze(tm) Flaggie" key; you
may want to choose another. The -debug_keyboard option comes in handy may want to choose another. The -debug_keyboard option comes in handy
in finding keysym names (so does xev(1)). in finding keysym names (so does xev(1)).
...@@ -6925,7 +6936,7 @@ EndSection ...@@ -6925,7 +6936,7 @@ EndSection
Since xmodmap(1) modifies the X server mappings you may not want to do Since xmodmap(1) modifies the X server mappings you may not want to do
this (because it affects local work on that machine). Something like this (because it affects local work on that machine). Something like
the [602]-remap Alt_L-Meta_L to x11vnc may be sufficient for ones the [604]-remap Alt_L-Meta_L to x11vnc may be sufficient for ones
needs, and does not modify the X server environment. Note that you needs, and does not modify the X server environment. Note that you
cannot send Alt_L in this case, maybe -remap Super_L-Meta_L would be a cannot send Alt_L in this case, maybe -remap Super_L-Meta_L would be a
better choice if the Super_L key is typically unused in Unix. better choice if the Super_L key is typically unused in Unix.
...@@ -6945,7 +6956,7 @@ EndSection ...@@ -6945,7 +6956,7 @@ EndSection
and similar triple mappings (with two in the AltGr/Mode_switch group) and similar triple mappings (with two in the AltGr/Mode_switch group)
of a keysum to a single keycode. of a keysum to a single keycode.
Use the [603]-nomodtweak option as a workaround. You can also use Use the [605]-nomodtweak option as a workaround. You can also use
xmodmap to correct these mappings in the server, e.g.: xmodmap to correct these mappings in the server, e.g.:
xmodmap -e "keycode 47 = 3 numbersign" xmodmap -e "keycode 47 = 3 numbersign"
...@@ -6959,7 +6970,7 @@ EndSection ...@@ -6959,7 +6970,7 @@ EndSection
This can be done directly in some X servers using AccessX and This can be done directly in some X servers using AccessX and
Pointer_EnableKeys, but is a bit awkward. It may be more convenient to Pointer_EnableKeys, but is a bit awkward. It may be more convenient to
have x11vnc do the remapping. This can be done via the [604]-remap have x11vnc do the remapping. This can be done via the [606]-remap
option using the fake "keysyms" Button1, Button2, etc. as the "to" option using the fake "keysyms" Button1, Button2, etc. as the "to"
keys (i.e. the ones after the "-") keys (i.e. the ones after the "-")
...@@ -6968,7 +6979,7 @@ EndSection ...@@ -6968,7 +6979,7 @@ EndSection
button "paste" because (using XFree86/Xorg Emulate3Buttons) you have button "paste" because (using XFree86/Xorg Emulate3Buttons) you have
to click both buttons on the touch pad at the same time. This to click both buttons on the touch pad at the same time. This
remapping: remapping:
[605]-remap Super_R-Button2 [607]-remap Super_R-Button2
maps the Super_R "flag" key press to the Button2 click, thereby making maps the Super_R "flag" key press to the Button2 click, thereby making
X pasting a bit easier. X pasting a bit easier.
...@@ -6987,13 +6998,13 @@ EndSection ...@@ -6987,13 +6998,13 @@ EndSection
Caps_Lock in the viewer your local machine goes into the Caps_Lock on Caps_Lock in the viewer your local machine goes into the Caps_Lock on
state and sends keysym "A" say when you press "a". x11vnc will then state and sends keysym "A" say when you press "a". x11vnc will then
fake things up so that Shift is held down to generate "A". The fake things up so that Shift is held down to generate "A". The
[606]-skip_lockkeys option should help to accomplish this. For finer [608]-skip_lockkeys option should help to accomplish this. For finer
grain control use something like: "[607]-remap Caps_Lock-None". grain control use something like: "[609]-remap Caps_Lock-None".
Also try the [608]-nomodtweak and [609]-capslock options. Also try the [610]-nomodtweak and [611]-capslock options.
Another useful option that turns off any Lock keys on the remote side Another useful option that turns off any Lock keys on the remote side
at startup and end is the [610]-clear_all option. During a session you at startup and end is the [612]-clear_all option. During a session you
can run these remote control commands to modify the Lock keys: can run these remote control commands to modify the Lock keys:
x11vnc -R clear_locks x11vnc -R clear_locks
x11vnc -R clear_all x11vnc -R clear_all
...@@ -7022,7 +7033,7 @@ EndSection ...@@ -7022,7 +7033,7 @@ EndSection
There may also be scaling viewers out there (e.g. TightVNC or UltraVNC There may also be scaling viewers out there (e.g. TightVNC or UltraVNC
on Windows) that automatically shrink or expand the remote framebuffer on Windows) that automatically shrink or expand the remote framebuffer
to fit the local display. Especially for hand-held devices. See also to fit the local display. Especially for hand-held devices. See also
[611]the next FAQ on x11vnc scaling. [613]the next FAQ on x11vnc scaling.
Q-98: Does x11vnc support server-side framebuffer scaling? (E.g. to Q-98: Does x11vnc support server-side framebuffer scaling? (E.g. to
...@@ -7030,7 +7041,7 @@ EndSection ...@@ -7030,7 +7041,7 @@ EndSection
As of Jun/2004 x11vnc provides basic server-side scaling. It is a As of Jun/2004 x11vnc provides basic server-side scaling. It is a
global scaling of the desktop, not a per-client setting. To enable it global scaling of the desktop, not a per-client setting. To enable it
use the "[612]-scale fraction" option. "fraction" can either be a use the "[614]-scale fraction" option. "fraction" can either be a
floating point number (e.g. -scale 0.75) or the alternative m/n floating point number (e.g. -scale 0.75) or the alternative m/n
fraction notation (e.g. -scale 3/4). Note that if fraction is greater fraction notation (e.g. -scale 3/4). Note that if fraction is greater
than one the display is magnified. than one the display is magnified.
...@@ -7055,7 +7066,7 @@ EndSection ...@@ -7055,7 +7066,7 @@ EndSection
One can also use the ":nb" with an integer scale factor (say "-scale One can also use the ":nb" with an integer scale factor (say "-scale
2:nb") to use x11vnc as a screen magnifier for vision impaired 2:nb") to use x11vnc as a screen magnifier for vision impaired
[613]applications. Since with integer scale factors the framebuffers [615]applications. Since with integer scale factors the framebuffers
become huge and scaling operations time consuming, be sure to use become huge and scaling operations time consuming, be sure to use
":nb" for the fastest response. ":nb" for the fastest response.
...@@ -7081,7 +7092,7 @@ EndSection ...@@ -7081,7 +7092,7 @@ EndSection
If one desires per-client scaling for something like 1:1 from a If one desires per-client scaling for something like 1:1 from a
workstation and 1:2 from a smaller device (e.g. handheld), currently workstation and 1:2 from a smaller device (e.g. handheld), currently
the only option is to run two (or more) x11vnc processes with the only option is to run two (or more) x11vnc processes with
different scalings listening on separate ports ([614]-rfbport option, different scalings listening on separate ports ([616]-rfbport option,
etc.). etc.).
Update: As of May/2006 x11vnc also supports the UltraVNC server-side Update: As of May/2006 x11vnc also supports the UltraVNC server-side
...@@ -7091,8 +7102,8 @@ EndSection ...@@ -7091,8 +7102,8 @@ EndSection
"-rfbversion 3.6" for this to be recognized by UltraVNC viewers. "-rfbversion 3.6" for this to be recognized by UltraVNC viewers.
BTW, whenever you run two or more x11vnc's on the same X display and BTW, whenever you run two or more x11vnc's on the same X display and
use the [615]GUI, then to avoid all of the x11vnc's simultaneously use the [617]GUI, then to avoid all of the x11vnc's simultaneously
answering the gui you will need to use something like [616]"-connect answering the gui you will need to use something like [618]"-connect
file1 -gui ..." with different connect files for each x11vnc you want file1 -gui ..." with different connect files for each x11vnc you want
to control via the gui (or remote-control). The "-connect file1" usage to control via the gui (or remote-control). The "-connect file1" usage
gives separate communication channels between a x11vnc process and the gives separate communication channels between a x11vnc process and the
...@@ -7101,7 +7112,7 @@ EndSection ...@@ -7101,7 +7112,7 @@ EndSection
Update: As of Mar/2005 x11vnc now scales the mouse cursor with the Update: As of Mar/2005 x11vnc now scales the mouse cursor with the
same scale factor as the screen. If you don't want that, use the same scale factor as the screen. If you don't want that, use the
[617]"-scale_cursor frac" option to set the cursor scaling to a [619]"-scale_cursor frac" option to set the cursor scaling to a
different factor (e.g. use "-scale_cursor 1" to keep the cursor at its different factor (e.g. use "-scale_cursor 1" to keep the cursor at its
natural unscaled size). natural unscaled size).
...@@ -7129,21 +7140,21 @@ EndSection ...@@ -7129,21 +7140,21 @@ EndSection
screen is not rectangular (e.g. 1280x1024 and 1024x768 monitors joined screen is not rectangular (e.g. 1280x1024 and 1024x768 monitors joined
together), then there will be "non-existent" areas on the screen. The together), then there will be "non-existent" areas on the screen. The
X server will return "garbage" image data for these areas and so they X server will return "garbage" image data for these areas and so they
may be distracting to the viewer. The [618]-blackout x11vnc option may be distracting to the viewer. The [620]-blackout x11vnc option
allows you to blacken-out rectangles by manually specifying their allows you to blacken-out rectangles by manually specifying their
WxH+X+Y geometries. If your system has the libXinerama library, the WxH+X+Y geometries. If your system has the libXinerama library, the
[619]-xinerama x11vnc option can be used to have it automatically [621]-xinerama x11vnc option can be used to have it automatically
determine the rectangles to be blackened out. (Note on 8bpp determine the rectangles to be blackened out. (Note on 8bpp
PseudoColor displays the fill color may not be black). Update: PseudoColor displays the fill color may not be black). Update:
[620]-xinerama is now on by default. [622]-xinerama is now on by default.
Some users have reported that the mouse does not behave properly for Some users have reported that the mouse does not behave properly for
their Xinerama display: i.e. the mouse cannot be moved to all regions their Xinerama display: i.e. the mouse cannot be moved to all regions
of the large display. If this happens try using the [621]-xwarppointer of the large display. If this happens try using the [623]-xwarppointer
option. This instructs x11vnc to fake mouse pointer motions using the option. This instructs x11vnc to fake mouse pointer motions using the
XWarpPointer function instead of the XTestFakeMotionEvent XTEST XWarpPointer function instead of the XTestFakeMotionEvent XTEST
function. (This may be due to a bug in the X server for XTEST when function. (This may be due to a bug in the X server for XTEST when
Xinerama is enabled). Update: As of Dec/2006 [622]-xwarppointer will Xinerama is enabled). Update: As of Dec/2006 [624]-xwarppointer will
be applied automatically if Xinerama is detected. To disable use: be applied automatically if Xinerama is detected. To disable use:
-noxwarppointer -noxwarppointer
...@@ -7166,23 +7177,23 @@ EndSection ...@@ -7166,23 +7177,23 @@ EndSection
Note: if you are running on Solaris 8 or earlier you can easily hit up Note: if you are running on Solaris 8 or earlier you can easily hit up
against the maximum of 6 shm segments per process (for Xsun in this against the maximum of 6 shm segments per process (for Xsun in this
case) from running multiple x11vnc processes. You should modify case) from running multiple x11vnc processes. You should modify
/etc/system as mentioned in another [623]FAQ to increase the limit. It /etc/system as mentioned in another [625]FAQ to increase the limit. It
is probably also a good idea to run with the [624]-onetile option in is probably also a good idea to run with the [626]-onetile option in
this case (to limit each x11vnc to 3 shm segments), or even this case (to limit each x11vnc to 3 shm segments), or even
[625]-noshm to use no shm segments. [627]-noshm to use no shm segments.
Q-101: Can x11vnc show only a portion of the display? (E.g. for a Q-101: Can x11vnc show only a portion of the display? (E.g. for a
special purpose application or a very large screen). special purpose application or a very large screen).
As of Mar/2005 x11vnc has the "[626]-clip WxH+X+Y" option to select a As of Mar/2005 x11vnc has the "[628]-clip WxH+X+Y" option to select a
rectangle of width W, height H and offset (X, Y). Thus the VNC screen rectangle of width W, height H and offset (X, Y). Thus the VNC screen
will be the clipped sub-region of the display and be only WxH in size. will be the clipped sub-region of the display and be only WxH in size.
One user used -clip to split up a large [627]Xinerama screen into two One user used -clip to split up a large [629]Xinerama screen into two
more managable smaller screens. more managable smaller screens.
This also works to view a sub-region of a single application window if This also works to view a sub-region of a single application window if
the [628]-id or [629]-sid options are used. The offset is measured the [630]-id or [631]-sid options are used. The offset is measured
from the upper left corner of the selected window. from the upper left corner of the selected window.
...@@ -7191,7 +7202,7 @@ EndSection ...@@ -7191,7 +7202,7 @@ EndSection
just seems to crash. just seems to crash.
As of Dec/2004 x11vnc supports XRANDR. You enable it with the As of Dec/2004 x11vnc supports XRANDR. You enable it with the
[630]-xrandr option to make x11vnc monitor XRANDR events and also trap [632]-xrandr option to make x11vnc monitor XRANDR events and also trap
X server errors if the screen change occurred in the middle of an X X server errors if the screen change occurred in the middle of an X
call like XGetImage. Once it traps the screen change it will create a call like XGetImage. Once it traps the screen change it will create a
new framebuffer using the new screen. new framebuffer using the new screen.
...@@ -7201,9 +7212,9 @@ EndSection ...@@ -7201,9 +7212,9 @@ EndSection
then the viewer will automatically resize. Otherwise, the new then the viewer will automatically resize. Otherwise, the new
framebuffer is fit as best as possible into the original viewer size framebuffer is fit as best as possible into the original viewer size
(portions of the screen may be clipped, unused, etc). For these (portions of the screen may be clipped, unused, etc). For these
viewers you can try the [631]-padgeom option to make the region big viewers you can try the [633]-padgeom option to make the region big
enough to hold all resizes and rotations. We have fixed this problem enough to hold all resizes and rotations. We have fixed this problem
for the TightVNC Viewer on Unix: [632]SSVNC for the TightVNC Viewer on Unix: [634]SSVNC
If you specify "-xrandr newfbsize" then vnc viewers that do not If you specify "-xrandr newfbsize" then vnc viewers that do not
support NewFBSize will be disconnected before the resize. If you support NewFBSize will be disconnected before the resize. If you
...@@ -7215,7 +7226,7 @@ EndSection ...@@ -7215,7 +7226,7 @@ EndSection
reflect the screen that the VNC viewers see? (e.g. for a handheld reflect the screen that the VNC viewers see? (e.g. for a handheld
whose screen is rotated 90 degrees). whose screen is rotated 90 degrees).
As of Jul/2006 there is the [633]-rotate option allow this. E.g's: As of Jul/2006 there is the [635]-rotate option allow this. E.g's:
"-rotate +90", "-rotate -90", "-rotate x", etc. "-rotate +90", "-rotate -90", "-rotate x", etc.
...@@ -7280,13 +7291,13 @@ EndSection ...@@ -7280,13 +7291,13 @@ EndSection
This may be a bug in kdesktop_lock. For now the only workaround is to This may be a bug in kdesktop_lock. For now the only workaround is to
disable the screensaver. You can try using another one such as disable the screensaver. You can try using another one such as
straight xscreensaver (see the instructions [634]here for how to straight xscreensaver (see the instructions [636]here for how to
disable kdesktop_lock). If you have more info on this or see it disable kdesktop_lock). If you have more info on this or see it
outside of KDE please let us know. outside of KDE please let us know.
Update: It appears this is due to kdesktop_lock enabling the screen Update: It appears this is due to kdesktop_lock enabling the screen
saver when the Monitor is in DPMS low-power state (e.g. standby, saver when the Monitor is in DPMS low-power state (e.g. standby,
suspend, or off). In Nov/2006 the x11vnc [635]-nodpms option was added suspend, or off). In Nov/2006 the x11vnc [637]-nodpms option was added
as a workaround. Normally it is a good thing that the monitor powers as a workaround. Normally it is a good thing that the monitor powers
down (since x11vnc can still poll the framebuffer in this state), but down (since x11vnc can still poll the framebuffer in this state), but
if you experience the kdesktop_lock problem you can specify the if you experience the kdesktop_lock problem you can specify the
...@@ -7302,16 +7313,16 @@ EndSection ...@@ -7302,16 +7313,16 @@ EndSection
This appears to be because the 3D OpenGL/GLX hardware screen updates This appears to be because the 3D OpenGL/GLX hardware screen updates
do not get reported via the XDAMAGE mechanism. So this is a bug in do not get reported via the XDAMAGE mechanism. So this is a bug in
[636]beryl/compiz or XDAMAGE/Xorg or the (possibly 3rd party) video [638]beryl/compiz or XDAMAGE/Xorg or the (possibly 3rd party) video
card driver. card driver.
As a workaround apply the [637]-noxdamage option. As of Feb/2007 As a workaround apply the [639]-noxdamage option. As of Feb/2007
x11vnc will try to autodetect the problem and disable XDAMAGE if is x11vnc will try to autodetect the problem and disable XDAMAGE if is
appears to be missing a lot of updates. But if you know you are using appears to be missing a lot of updates. But if you know you are using
beryl you might as well always supply -noxdamage. Thanks to [638]this beryl you might as well always supply -noxdamage. Thanks to [640]this
user who reported the problem and discovered the workaround. user who reported the problem and discovered the workaround.
A developer for [639]MiniMyth reports that the 'alphapulse' tag of the A developer for [641]MiniMyth reports that the 'alphapulse' tag of the
theme G.A.N.T. can also cause problems, and should be avoided when theme G.A.N.T. can also cause problems, and should be avoided when
using VNC. using VNC.
...@@ -7331,9 +7342,9 @@ EndSection ...@@ -7331,9 +7342,9 @@ EndSection
* Fullscreen mode * Fullscreen mode
The way VMWare does Fullscreen mode on Linux is to display the Guest The way VMWare does Fullscreen mode on Linux is to display the Guest
desktop in a separate Virtual Console (e.g. VC 8) (see [640]this FAQ desktop in a separate Virtual Console (e.g. VC 8) (see [642]this FAQ
on VC's for background). Unfortunately, this Fullscreen VC is not an X on VC's for background). Unfortunately, this Fullscreen VC is not an X
server. So x11vnc cannot access it (however, [641]see this discussion server. So x11vnc cannot access it (however, [643]see this discussion
of -rawfb for a possible workaround). x11vnc works fine with "Normal X of -rawfb for a possible workaround). x11vnc works fine with "Normal X
application window" and "Quick-Switch mode" because these use X. application window" and "Quick-Switch mode" because these use X.
...@@ -7354,13 +7365,13 @@ EndSection ...@@ -7354,13 +7365,13 @@ EndSection
improve response. One can also cut the display depth (e.g. to 16bpp) improve response. One can also cut the display depth (e.g. to 16bpp)
in this 2nd X session to improve video performance. This 2nd X session in this 2nd X session to improve video performance. This 2nd X session
emulates Fullscreen mode to some degree and can be viewed via x11vnc emulates Fullscreen mode to some degree and can be viewed via x11vnc
as long as the VMWare X session [642]is in the active VC. as long as the VMWare X session [644]is in the active VC.
Also note that with a little bit of playing with "xwininfo -all Also note that with a little bit of playing with "xwininfo -all
-children" output one can extract the (non-toplevel) window-id of the -children" output one can extract the (non-toplevel) window-id of the
of the Guest desktop only when VMWare is running as a normal X of the Guest desktop only when VMWare is running as a normal X
application. Then one can export just the guest desktop (i.e. without application. Then one can export just the guest desktop (i.e. without
the VMWare menu buttons) by use of the [643]-id windowid option. The the VMWare menu buttons) by use of the [645]-id windowid option. The
caveats are the X session VMWare is in must be in the active VC and caveats are the X session VMWare is in must be in the active VC and
the window must be fully visible, so this mode is not terribly the window must be fully visible, so this mode is not terribly
convenient, but could be useful in some circumstances (e.g. running convenient, but could be useful in some circumstances (e.g. running
...@@ -7376,10 +7387,10 @@ EndSection ...@@ -7376,10 +7387,10 @@ EndSection
controlled) via VNC with x11vnc? controlled) via VNC with x11vnc?
As of Apr/2005 there is support for this. Two options were added: As of Apr/2005 there is support for this. Two options were added:
"[644]-rawfb string" (to indicate the raw frame buffer device, file, "[646]-rawfb string" (to indicate the raw frame buffer device, file,
etc. and its parameters) and "[645]-pipeinput command" (to provide an etc. and its parameters) and "[647]-pipeinput command" (to provide an
external program that will inject or otherwise process mouse and external program that will inject or otherwise process mouse and
keystroke input). Some useful [646]-pipeinput schemes, VID, CONSOLE, keystroke input). Some useful [648]-pipeinput schemes, VID, CONSOLE,
and UINPUT, have since been built into x11vnc for convenience. and UINPUT, have since been built into x11vnc for convenience.
This non-X mode for x11vnc is somewhat experimental because it is so This non-X mode for x11vnc is somewhat experimental because it is so
...@@ -7419,9 +7430,9 @@ EndSection ...@@ -7419,9 +7430,9 @@ EndSection
access method). Only use file if map isn't working. BTW, "mmap" is an access method). Only use file if map isn't working. BTW, "mmap" is an
alias for "map" and if you do not supply a type and the file exists, alias for "map" and if you do not supply a type and the file exists,
map is assumed (see the -help output and below for some exceptions to map is assumed (see the -help output and below for some exceptions to
this). The "snap:" setting applies the [647]-snapfb option with this). The "snap:" setting applies the [649]-snapfb option with
"file:" type reading (this is useful for exporting webcams or TV tuner "file:" type reading (this is useful for exporting webcams or TV tuner
video; see [648]the next FAQ for more info). video; see [650]the next FAQ for more info).
Also, if the string is of the form "setup:cmd" then cmd is run and the Also, if the string is of the form "setup:cmd" then cmd is run and the
first line of its output retrieved and used as the rawfb string. This first line of its output retrieved and used as the rawfb string. This
...@@ -7466,7 +7477,7 @@ EndSection ...@@ -7466,7 +7477,7 @@ EndSection
screen to either shm or a mapped file. The format of these is XWD and screen to either shm or a mapped file. The format of these is XWD and
so the initial header should be skipped. BTW, since XWD is not so the initial header should be skipped. BTW, since XWD is not
strictly RGB the view will only be approximate, but usable. Of course strictly RGB the view will only be approximate, but usable. Of course
for the case of Xvfb x11vnc can poll it much better via the [649]X for the case of Xvfb x11vnc can poll it much better via the [651]X
API, but you get the idea. API, but you get the idea.
By default in -rawfb mode x11vnc will actually close any X display it By default in -rawfb mode x11vnc will actually close any X display it
...@@ -7497,13 +7508,13 @@ minal #2) ...@@ -7497,13 +7508,13 @@ minal #2)
tty1-tty6), or X graphical display (usually starting at tty7). In tty1-tty6), or X graphical display (usually starting at tty7). In
addition to the text console other graphical ones may be viewed and addition to the text console other graphical ones may be viewed and
interacted with as well, e.g. DirectFB or SVGAlib apps, VMWare non-X interacted with as well, e.g. DirectFB or SVGAlib apps, VMWare non-X
fullscreen, or [650]Qt-embedded apps (PDAs/Handhelds). By default the fullscreen, or [652]Qt-embedded apps (PDAs/Handhelds). By default the
pipeinput mechanisms UINPUT and CONSOLE (keystrokes only) are pipeinput mechanisms UINPUT and CONSOLE (keystrokes only) are
automatically attempted in this mode under "-rawfb console". automatically attempted in this mode under "-rawfb console".
The Video4Linux Capture device, /dev/video0, etc is either a Webcam or The Video4Linux Capture device, /dev/video0, etc is either a Webcam or
a TV capture device and needs to have its driver enabled in the a TV capture device and needs to have its driver enabled in the
kernel. See [651]this FAQ for details. If specified via "-rawfb Video" kernel. See [653]this FAQ for details. If specified via "-rawfb Video"
then the pipeinput method "VID" is applied (it lets you change video then the pipeinput method "VID" is applied (it lets you change video
parameters dynamically via keystrokes). parameters dynamically via keystrokes).
...@@ -7511,10 +7522,10 @@ minal #2) ...@@ -7511,10 +7522,10 @@ minal #2)
also useful in testing. also useful in testing.
All of the above [652]-rawfb options are just for viewing the raw All of the above [654]-rawfb options are just for viewing the raw
framebuffer (although some of the aliases do imply keystroke and mouse framebuffer (although some of the aliases do imply keystroke and mouse
pipeinput methods). That may be enough for certain applications of pipeinput methods). That may be enough for certain applications of
this feature (e.g. suppose a [653]video camera mapped its framebuffer this feature (e.g. suppose a [655]video camera mapped its framebuffer
into memory and you just wanted to look at it via VNC). into memory and you just wanted to look at it via VNC).
To handle the pointer and keyboard input from the viewer users the To handle the pointer and keyboard input from the viewer users the
"-pipeinput cmd" option was added to indicate a helper program to "-pipeinput cmd" option was added to indicate a helper program to
...@@ -7552,7 +7563,7 @@ minal #2) ...@@ -7552,7 +7563,7 @@ minal #2)
keystrokes into the Linux console (e.g. the virtual consoles: keystrokes into the Linux console (e.g. the virtual consoles:
/dev/tty1, /dev/tty2, etc) in x11vnc/misc/vcinject.pl. It is based on /dev/tty1, /dev/tty2, etc) in x11vnc/misc/vcinject.pl. It is based on
the vncterm/LinuxVNC.c program also in the libvncserver CVS. So to the vncterm/LinuxVNC.c program also in the libvncserver CVS. So to
view and interact with VC #2 (assuming it is the [654]active VC) one view and interact with VC #2 (assuming it is the [656]active VC) one
can run something like: can run something like:
x11vnc -rawfb map:/dev/fb0@1024x768x16 -pipeinput './vcinject.pl 2' x11vnc -rawfb map:/dev/fb0@1024x768x16 -pipeinput './vcinject.pl 2'
...@@ -7607,7 +7618,7 @@ minal #2) ...@@ -7607,7 +7618,7 @@ minal #2)
better to use the more accurate and faster LinuxVNC program. The better to use the more accurate and faster LinuxVNC program. The
advantage x11vnc -rawfb might have is that it can allow interaction advantage x11vnc -rawfb might have is that it can allow interaction
with a non-text application, e.g. one based on SVGAlib or with a non-text application, e.g. one based on SVGAlib or
[655]Qt-embedded Also, for example the [656]VMWare Fullscreen mode is [657]Qt-embedded Also, for example the [658]VMWare Fullscreen mode is
actually viewable under -rawfb and can be interacted with if uinput is actually viewable under -rawfb and can be interacted with if uinput is
enabled. enabled.
...@@ -7671,9 +7682,9 @@ minal #2) ...@@ -7671,9 +7682,9 @@ minal #2)
Q-112: Can I export via VNC a Webcam or TV tuner framebuffer using Q-112: Can I export via VNC a Webcam or TV tuner framebuffer using
x11vnc? x11vnc?
Yes, this is possible to some degree with the [657]-rawfb option. Yes, this is possible to some degree with the [659]-rawfb option.
There is no X11 involved: snapshots from the video capture device are There is no X11 involved: snapshots from the video capture device are
used for the screen image data. See the [658]previous FAQ on -rawfb used for the screen image data. See the [660]previous FAQ on -rawfb
for background. For best results, use x11vnc version 0.8.1 or later. for background. For best results, use x11vnc version 0.8.1 or later.
Roughly, one would do something like this: Roughly, one would do something like this:
...@@ -7685,7 +7696,7 @@ minal #2) ...@@ -7685,7 +7696,7 @@ minal #2)
snapshot to a file that you point -rawfb to; ask me if it is not clear snapshot to a file that you point -rawfb to; ask me if it is not clear
what to do). what to do).
The "snap:" enforces [659]-snapfb mode which appears to be necessary. The "snap:" enforces [661]-snapfb mode which appears to be necessary.
The read pointer for video capture devices cannot be repositioned The read pointer for video capture devices cannot be repositioned
(which would be needed for scanline polling), but you can read a full (which would be needed for scanline polling), but you can read a full
frame of data from the device. frame of data from the device.
...@@ -7707,7 +7718,7 @@ minal #2) ...@@ -7707,7 +7718,7 @@ minal #2)
Many video4linux drivers tend to set the framebuffer to be 24bpp (as Many video4linux drivers tend to set the framebuffer to be 24bpp (as
opposed to 32bpp). Since this can cause problems with VNC viewers, opposed to 32bpp). Since this can cause problems with VNC viewers,
etc, the [660]-24to32 option will be automatically imposed when in etc, the [662]-24to32 option will be automatically imposed when in
24bpp. 24bpp.
Note that by its very nature, video capture involves rapid change in Note that by its very nature, video capture involves rapid change in
...@@ -7715,7 +7726,7 @@ minal #2) ...@@ -7715,7 +7726,7 @@ minal #2)
wavering in brightness is always happening. This can lead to much wavering in brightness is always happening. This can lead to much
network bandwidth consumption for the VNC traffic and also local CPU network bandwidth consumption for the VNC traffic and also local CPU
and I/O resource usage. You may want to experiment with "dialing down" and I/O resource usage. You may want to experiment with "dialing down"
the framerate via the [661]-wait, [662]-slow_fb, or [663]-defer the framerate via the [663]-wait, [664]-slow_fb, or [665]-defer
options. Decreasing the window size and bpp also helps. options. Decreasing the window size and bpp also helps.
...@@ -7804,7 +7815,7 @@ minal #2) ...@@ -7804,7 +7815,7 @@ minal #2)
format to HI240, RGB565, RGB24, RGB32, RGB555, and format to HI240, RGB565, RGB24, RGB32, RGB555, and
GREY respectively. See -rawfb video for details. GREY respectively. See -rawfb video for details.
See also the [664]-freqtab option to supply your own xawtv channel to See also the [666]-freqtab option to supply your own xawtv channel to
frequency mappings for your country (only ntsc-cable-us is built into frequency mappings for your country (only ntsc-cable-us is built into
x11vnc). x11vnc).
...@@ -7813,7 +7824,7 @@ minal #2) ...@@ -7813,7 +7824,7 @@ minal #2)
running on my handheld or PC using the Linux console framebuffer (i.e. running on my handheld or PC using the Linux console framebuffer (i.e.
not X11)? not X11)?
Yes, the basic method for this is the [665]-rawfb scheme where the Yes, the basic method for this is the [667]-rawfb scheme where the
Linux console framebuffer (usually /dev/fb0) is polled and the uinput Linux console framebuffer (usually /dev/fb0) is polled and the uinput
driver is used to inject keystrokes and mouse input. Often you will driver is used to inject keystrokes and mouse input. Often you will
just have to type: just have to type:
...@@ -7826,7 +7837,7 @@ minal #2) ...@@ -7826,7 +7837,7 @@ minal #2)
x11vnc -rawfb /dev/fb0@640x480x16 x11vnc -rawfb /dev/fb0@640x480x16
Also, to force usage of the uinput injection method use "-pipeinput Also, to force usage of the uinput injection method use "-pipeinput
UINPUT". See the [666]-pipeinput description for tunable parameters, UINPUT". See the [668]-pipeinput description for tunable parameters,
etc. etc.
One problem with the x11vnc uinput scheme is that it cannot guess the One problem with the x11vnc uinput scheme is that it cannot guess the
...@@ -7842,7 +7853,7 @@ minal #2) ...@@ -7842,7 +7853,7 @@ minal #2)
Even with the correct acceleration setting there is still some drift Even with the correct acceleration setting there is still some drift
(probably because of the mouse threshold where the acceleration kicks (probably because of the mouse threshold where the acceleration kicks
in) and so x11vnc needs to reposition the cursor from 0,0 about 5 in) and so x11vnc needs to reposition the cursor from 0,0 about 5
times a second. See the [667]-pipeinput UINPUT option for tuning times a second. See the [669]-pipeinput UINPUT option for tuning
parameters that can be set (there are some experimental thresh=N parameters that can be set (there are some experimental thresh=N
tuning parameters as well) tuning parameters as well)
...@@ -7877,7 +7888,7 @@ minal #2) ...@@ -7877,7 +7888,7 @@ minal #2)
Q-114: Now that non-X11 devices can be exported via VNC using x11vnc, Q-114: Now that non-X11 devices can be exported via VNC using x11vnc,
can I build it with no dependencies on X11 header files and libraries? can I build it with no dependencies on X11 header files and libraries?
Yes, as of Jul/2006 x11vnc enables building for [668]-rawfb only Yes, as of Jul/2006 x11vnc enables building for [670]-rawfb only
support. Just do something like when building: support. Just do something like when building:
./configure --without-x (plus any other flags) ./configure --without-x (plus any other flags)
make make
...@@ -7893,11 +7904,11 @@ minal #2) ...@@ -7893,11 +7904,11 @@ minal #2)
Yes, since Nov/2006 in the development tree (x11vnc-0.8.4 tarball) Yes, since Nov/2006 in the development tree (x11vnc-0.8.4 tarball)
there is support for native Mac OS X Aqua/Quartz displays using the there is support for native Mac OS X Aqua/Quartz displays using the
[669]-rawfb mechanism described above. The mouse and keyboard input is [671]-rawfb mechanism described above. The mouse and keyboard input is
achieved via Mac OS X API's. achieved via Mac OS X API's.
So you can use x11vnc as an alternative to [670]OSXvnc (aka Vine So you can use x11vnc as an alternative to [672]OSXvnc (aka Vine
Server), or [671]Apple Remote Desktop (ARD). Perhaps there is some Server), or [673]Apple Remote Desktop (ARD). Perhaps there is some
x11vnc feature you'd like to use on Mac OS X, etc. For a number of x11vnc feature you'd like to use on Mac OS X, etc. For a number of
activities (e.g. window drags) it seems to be faster than OSXvnc. activities (e.g. window drags) it seems to be faster than OSXvnc.
...@@ -7907,7 +7918,7 @@ minal #2) ...@@ -7907,7 +7918,7 @@ minal #2)
(XDarwin) running on Mac OS X (people often install this software to (XDarwin) running on Mac OS X (people often install this software to
display remote X11 apps on their Mac OS X system, or use some old display remote X11 apps on their Mac OS X system, or use some old
favorites locally such as xterm). However in this case x11vnc will favorites locally such as xterm). However in this case x11vnc will
only work reasonably in single window [672]-id windowid mode (and the only work reasonably in single window [674]-id windowid mode (and the
window may need to have mouse focus). window may need to have mouse focus).
If you do not have the DISPLAY env. variable set, x11vnc will assume If you do not have the DISPLAY env. variable set, x11vnc will assume
...@@ -7925,9 +7936,9 @@ minal #2) ...@@ -7925,9 +7936,9 @@ minal #2)
./configure --without-x ./configure --without-x
make make
Win2VNC/x2vnc: One handy use is to use the [673]-nofb mode to Win2VNC/x2vnc: One handy use is to use the [675]-nofb mode to
redirect mouse and keyboard input to a nearby Mac (i.e. one to the redirect mouse and keyboard input to a nearby Mac (i.e. one to the
side of your desk) via [674]x2vnc or Win2VNC. See [675]this FAQ for side of your desk) via [676]x2vnc or Win2VNC. See [677]this FAQ for
more info. more info.
Options: Here are the Mac OS X specific x11vnc options: Options: Here are the Mac OS X specific x11vnc options:
...@@ -8001,13 +8012,13 @@ rm -f $tmp ...@@ -8001,13 +8012,13 @@ rm -f $tmp
performance for the case of a large number of simultaneous VNC viewers performance for the case of a large number of simultaneous VNC viewers
(e.g. classroom broadcasting or a large demo)? (e.g. classroom broadcasting or a large demo)?
Yes, as of Feb/2007 there is the "[676]-reflect host:N" option to Yes, as of Feb/2007 there is the "[678]-reflect host:N" option to
connect to the VNC server "host:N" (either another x11vnc or any other connect to the VNC server "host:N" (either another x11vnc or any other
VNC server) and re-export it. VNC viewers then connect to the VNC server) and re-export it. VNC viewers then connect to the
x11vnc(s) running -reflect. x11vnc(s) running -reflect.
The -reflect option is the same as: "-rawfb vnc:host:N". See the The -reflect option is the same as: "-rawfb vnc:host:N". See the
[677]-rawfb description under "VNC HOST" for more details. [679]-rawfb description under "VNC HOST" for more details.
You can replace "host:N" with "listen" or "listen:port" for reverse You can replace "host:N" with "listen" or "listen:port" for reverse
connections. connections.
...@@ -8068,18 +8079,18 @@ rm -f $tmp ...@@ -8068,18 +8079,18 @@ rm -f $tmp
re-exports via VNC to its clients C). However, CopyRect and re-exports via VNC to its clients C). However, CopyRect and
CursorShape encodings are preserved in the reflection and that helps. CursorShape encodings are preserved in the reflection and that helps.
Dragging windows with the mouse can be a problem (especially if S is Dragging windows with the mouse can be a problem (especially if S is
not doing wireframing somehow, consider [678]-nodragging if the not doing wireframing somehow, consider [680]-nodragging if the
problem is severe) For a really fast reflector/repeater it would have problem is severe) For a really fast reflector/repeater it would have
to be implemented from scratch with performance in mind. See these to be implemented from scratch with performance in mind. See these
other projects: other projects:
[679]http://sourceforge.net/projects/vnc-reflector/, [681]http://sourceforge.net/projects/vnc-reflector/,
[680]http://www.tightvnc.com/projector/ (closed source?), [682]http://www.tightvnc.com/projector/ (closed source?),
Automation via Reverse Connections: Instead of having the R's Automation via Reverse Connections: Instead of having the R's
connect directly to S and then the C's connect directly to the R they connect directly to S and then the C's connect directly to the R they
should use, some convenience can be achieved by using reverse should use, some convenience can be achieved by using reverse
connections (the x11vnc "[681]"-connect host1,host2,..." option). connections (the x11vnc "[683]"-connect host1,host2,..." option).
Suppose all the clients "C" are started up in Listen mode: Suppose all the clients "C" are started up in Listen mode:
client1> vncviewer -listen client1> vncviewer -listen
client2> vncviewer -listen client2> vncviewer -listen
...@@ -8138,7 +8149,7 @@ rm -f $tmp ...@@ -8138,7 +8149,7 @@ rm -f $tmp
If the Solaris install is an older X-based one, there will be a menu If the Solaris install is an older X-based one, there will be a menu
for you to get a terminal window. From that window you might be able for you to get a terminal window. From that window you might be able
to retrieve x11vnc.static via wget, scp, or ftp. Remember to do "chmod to retrieve x11vnc.static via wget, scp, or ftp. Remember to do "chmod
755 ./x11vnc.static" and then find the -auth file as in [682]this FAQ. 755 ./x11vnc.static" and then find the -auth file as in [684]this FAQ.
If it is a Linux install that uses an X server (e.g. SuSE and probably If it is a Linux install that uses an X server (e.g. SuSE and probably
Fedora), then you can often get a shell by pressing Ctrl-Alt-F2 or Fedora), then you can often get a shell by pressing Ctrl-Alt-F2 or
...@@ -8147,7 +8158,7 @@ rm -f $tmp ...@@ -8147,7 +8158,7 @@ rm -f $tmp
wget http://192.168.0.22/x11vnc.static wget http://192.168.0.22/x11vnc.static
chmod 755 ./x11vnc.static chmod 755 ./x11vnc.static
Find the name of the auth file as in [683]this FAQ. (maybe run "ps Find the name of the auth file as in [685]this FAQ. (maybe run "ps
wwwwaux | grep auth"). Then run it like this: wwwwaux | grep auth"). Then run it like this:
./x11vnc.static -forever -nopw -display :0 -auth /tmp/wherever/the/authfile ./x11vnc.static -forever -nopw -display :0 -auth /tmp/wherever/the/authfile
...@@ -8156,7 +8167,7 @@ rm -f $tmp ...@@ -8156,7 +8167,7 @@ rm -f $tmp
the display being :1, etc. the display being :1, etc.
If there is a firewall blocking incoming connections during the If there is a firewall blocking incoming connections during the
install, use the [684]"-connect hostname" option option for a reverse install, use the [686]"-connect hostname" option option for a reverse
connection to the hostname running the VNC viewer in listen mode. connection to the hostname running the VNC viewer in listen mode.
Debian based installs are either console-text or console-framebuffer Debian based installs are either console-text or console-framebuffer
...@@ -8205,11 +8216,11 @@ rm -f $tmp ...@@ -8205,11 +8216,11 @@ rm -f $tmp
As of Jan/2004 x11vnc supports the "CutText" part of the rfb protocol. As of Jan/2004 x11vnc supports the "CutText" part of the rfb protocol.
Furthermore, x11vnc is able to hold the PRIMARY and CLIPBOARD Furthermore, x11vnc is able to hold the PRIMARY and CLIPBOARD
selection (Xvnc does not seem to do this). If you don't want the selection (Xvnc does not seem to do this). If you don't want the
Clipboard/Selection exchanged use the [685]-nosel option. If you don't Clipboard/Selection exchanged use the [687]-nosel option. If you don't
want the PRIMARY selection to be polled for changes use the want the PRIMARY selection to be polled for changes use the
[686]-noprimary option. (with a similar thing for CLIPBOARD). You can [688]-noprimary option. (with a similar thing for CLIPBOARD). You can
also fine-tune it a bit with the [687]-seldir dir option and also also fine-tune it a bit with the [689]-seldir dir option and also
[688]-input. [690]-input.
You may need to watch out for desktop utilities such as KDE's You may need to watch out for desktop utilities such as KDE's
"Klipper" that do odd things with the selection, clipboard, and "Klipper" that do odd things with the selection, clipboard, and
...@@ -8221,7 +8232,7 @@ rm -f $tmp ...@@ -8221,7 +8232,7 @@ rm -f $tmp
Yes, it is possible with a number of tools that record VNC and Yes, it is possible with a number of tools that record VNC and
transform it to swf format or others. One such popular tool is transform it to swf format or others. One such popular tool is
[689]pyvnc2swf. There are a number of [690]tutorials (broken link?) on [691]pyvnc2swf. There are a number of [692]tutorials (broken link?) on
how to do this. Another option is to use the vnc2mpg that comes in the how to do this. Another option is to use the vnc2mpg that comes in the
LibVNCServer package. LibVNCServer package.
An important thing to remember when doing this is that tuning An important thing to remember when doing this is that tuning
...@@ -8236,11 +8247,11 @@ rm -f $tmp ...@@ -8236,11 +8247,11 @@ rm -f $tmp
(and Windows viewers only support filetransfer it appears... but they (and Windows viewers only support filetransfer it appears... but they
do work to some degree under Wine on Linux). do work to some degree under Wine on Linux).
The [691]SSVNC Unix VNC viewer supports UltraVNC file transfer by use The [693]SSVNC Unix VNC viewer supports UltraVNC file transfer by use
of a Java helper program. of a Java helper program.
TightVNC file transfer is off by default, if you want to enable it use TightVNC file transfer is off by default, if you want to enable it use
the [692]-tightfilexfer option. the [694]-tightfilexfer option.
UltraVNC file transfer is off by default, to enable it use something UltraVNC file transfer is off by default, to enable it use something
like "-rfbversion 3.6 -permitfiletransfer" like "-rfbversion 3.6 -permitfiletransfer"
...@@ -8263,7 +8274,7 @@ rm -f $tmp ...@@ -8263,7 +8274,7 @@ rm -f $tmp
IMPORTANT: please understand if -ultrafilexfer or -tightfilexfer is IMPORTANT: please understand if -ultrafilexfer or -tightfilexfer is
specified and you run x11vnc as root for, say, inetd or display specified and you run x11vnc as root for, say, inetd or display
manager (gdm, kdm, ...) access and you do not have it switch users via manager (gdm, kdm, ...) access and you do not have it switch users via
the [693]-users option, then VNC Viewers that connect are able to do the [695]-users option, then VNC Viewers that connect are able to do
filetransfer reads and writes as *root*. filetransfer reads and writes as *root*.
The UltraVNC and TightVNC settings can be toggled on and off inside The UltraVNC and TightVNC settings can be toggled on and off inside
...@@ -8282,7 +8293,7 @@ rm -f $tmp ...@@ -8282,7 +8293,7 @@ rm -f $tmp
these extensions you will need to supply this option to x11vnc: these extensions you will need to supply this option to x11vnc:
-rfbversion 3.6 -rfbversion 3.6
Or use [694]-ultrafilexfer which is an alias for the above option and Or use [696]-ultrafilexfer which is an alias for the above option and
"-permitfiletransfer". UltraVNC evidently treats any other RFB version "-permitfiletransfer". UltraVNC evidently treats any other RFB version
number as non-UltraVNC. number as non-UltraVNC.
...@@ -8294,14 +8305,14 @@ rm -f $tmp ...@@ -8294,14 +8305,14 @@ rm -f $tmp
* 1/n Server Scaling * 1/n Server Scaling
* rfbEncodingUltra compression encoding * rfbEncodingUltra compression encoding
The [695]SSVNC Unix VNC viewer supports these UltraVNC extensions. The [697]SSVNC Unix VNC viewer supports these UltraVNC extensions.
To disable SingleWindow and ServerInput use [696]-noultraext (the To disable SingleWindow and ServerInput use [698]-noultraext (the
others are managed by LibVNCServer). See this option too: others are managed by LibVNCServer). See this option too:
[697]-noserverdpms. [699]-noserverdpms.
Also, the [698]UltraVNC repeater proxy is supported for use with Also, the [700]UltraVNC repeater proxy is supported for use with
reverse connections: "[699]-connect repeater://host:port+ID:NNNN". Use reverse connections: "[701]-connect repeater://host:port+ID:NNNN". Use
it for both plaintext and SSL connections. This mode can send any it for both plaintext and SSL connections. This mode can send any
string before switching to the VNC protocol, and so could be used with string before switching to the VNC protocol, and so could be used with
other proxy/gateway tools. other proxy/gateway tools.
...@@ -8312,12 +8323,12 @@ rm -f $tmp ...@@ -8312,12 +8323,12 @@ rm -f $tmp
reverse vnc connection from their Unix desktop to a helpdesk reverse vnc connection from their Unix desktop to a helpdesk
operator's VNC Viewer. operator's VNC Viewer.
Yes, UltraVNC's [700]Single Click (SC) mode can be emulated fairly Yes, UltraVNC's [702]Single Click (SC) mode can be emulated fairly
well on Unix. well on Unix.
We use the term "helpdesk" below, but it could be any sort of remote We use the term "helpdesk" below, but it could be any sort of remote
assistance you want to set up, e.g. something for Unix-using friends assistance you want to set up, e.g. something for Unix-using friends
or family to use. This includes [701]Mac OS X. or family to use. This includes [703]Mac OS X.
Assume you create a helpdesk directory "hd" on your website: Assume you create a helpdesk directory "hd" on your website:
http://www.mysite.com/hd (any website that you can upload files to http://www.mysite.com/hd (any website that you can upload files to
...@@ -8373,7 +8384,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc ...@@ -8373,7 +8384,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc
So I guess this is about 3-4 clicks (start a terminal and paste) and So I guess this is about 3-4 clicks (start a terminal and paste) and
pressing "Enter" instead of "single click"... pressing "Enter" instead of "single click"...
See [702]this page for some variations on this method, e.g. how to add See [704]this page for some variations on this method, e.g. how to add
a password, SSL Certificates, etc. a password, SSL Certificates, etc.
...@@ -8385,11 +8396,11 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc ...@@ -8385,11 +8396,11 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc
A bit of obscurity security could be put in with a -passwd, -rfbauth A bit of obscurity security could be put in with a -passwd, -rfbauth
options, etc. (note that x11vnc will require a password even for options, etc. (note that x11vnc will require a password even for
reverse connections). More info [703]here. reverse connections). More info [705]here.
Firewalls: If the helpdesk (you) with the vncviewer is behind a Firewalls: If the helpdesk (you) with the vncviewer is behind a
NAT/Firewall/Router the [704]router will have to be configured to NAT/Firewall/Router the [706]router will have to be configured to
redirect a port (i.e. 5500 or maybe different one if you like) to the redirect a port (i.e. 5500 or maybe different one if you like) to the
vncviewer machine. If the vncviewer machine also has its own vncviewer machine. If the vncviewer machine also has its own
host-level firewall, you will have to open up the port there as well. host-level firewall, you will have to open up the port there as well.
...@@ -8399,7 +8410,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc ...@@ -8399,7 +8410,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc
configuring a router to do a port redirection (i.e. on your side, the configuring a router to do a port redirection (i.e. on your side, the
HelpDesk). To avoid modifying either firewall/router, one would need HelpDesk). To avoid modifying either firewall/router, one would need
some public (IP address reachable on the internet) redirection/proxy some public (IP address reachable on the internet) redirection/proxy
service. Perhaps such a thing exists. [705]http://sc.uvnc.com provides service. Perhaps such a thing exists. [707]http://sc.uvnc.com provides
this service for their UltraVNC Single Click users. this service for their UltraVNC Single Click users.
...@@ -8435,7 +8446,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc ...@@ -8435,7 +8446,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc
As of Apr/2007 x11vnc supports reverse connections in SSL and so we As of Apr/2007 x11vnc supports reverse connections in SSL and so we
can do this. On the Helpdesk side (Viewer) you will need STUNNEL or can do this. On the Helpdesk side (Viewer) you will need STUNNEL or
better use the [706]Enhanced TightVNC Viewer (SSVNC) package we better use the [708]Enhanced TightVNC Viewer (SSVNC) package we
provide that automates all of the SSL for you. provide that automates all of the SSL for you.
To do this create a file named "vncs" in the website "hd" directory To do this create a file named "vncs" in the website "hd" directory
...@@ -8465,11 +8476,11 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc ...@@ -8465,11 +8476,11 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc
with the hostnames or IP addresses customized to your case. with the hostnames or IP addresses customized to your case.
The only change from the "vnc" above is the addition of the [707]-ssl The only change from the "vnc" above is the addition of the [709]-ssl
option to x11vnc. This will create a temporary SSL cert: openssl(1) option to x11vnc. This will create a temporary SSL cert: openssl(1)
will need to be installed on the user's end. A fixed SSL cert file will need to be installed on the user's end. A fixed SSL cert file
could be used to avoid this (and provide some authentication; more could be used to avoid this (and provide some authentication; more
info [708]here.) info [710]here.)
The naive user will be doing this: The naive user will be doing this:
wget -qO - http://www.mysite.com/hd/vncs | sh - wget -qO - http://www.mysite.com/hd/vncs | sh -
...@@ -8478,7 +8489,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc ...@@ -8478,7 +8489,7 @@ chmod 755 ./x11vnc # platform, use $webhost/`uname`/x11vnc
But before that, the helpdesk operator needs to have "vncviewer But before that, the helpdesk operator needs to have "vncviewer
-listen" running as before, however he needs an SSL tunnel at his end. -listen" running as before, however he needs an SSL tunnel at his end.
The easiest way to do this is use [709]Enhanced TightVNC Viewer The easiest way to do this is use [711]Enhanced TightVNC Viewer
(SSVNC). Start it, and select Options -> 'Reverse VNC Connection (SSVNC). Start it, and select Options -> 'Reverse VNC Connection
(-listen)'. Then UN-select 'Verify All Certs' (this can be enabled (-listen)'. Then UN-select 'Verify All Certs' (this can be enabled
later if you want; you'll need the x11vnc SSL certificate), and click later if you want; you'll need the x11vnc SSL certificate), and click
...@@ -8508,7 +8519,7 @@ connect = localhost:5501 ...@@ -8508,7 +8519,7 @@ connect = localhost:5501
answer the prompts with whatever you want; you can take the default answer the prompts with whatever you want; you can take the default
for all of them if you like. The openssl(1) package must be installed. for all of them if you like. The openssl(1) package must be installed.
See [710]this link and [711]this one too for more info on SSL certs. See [712]this link and [713]this one too for more info on SSL certs.
This creates $HOME/.vnc/certs/server-self:mystunnel.pem, then you This creates $HOME/.vnc/certs/server-self:mystunnel.pem, then you
would change the "stunnel.cfg" to look something like: would change the "stunnel.cfg" to look something like:
foreground = yes foreground = yes
...@@ -8529,7 +8540,7 @@ connect = localhost:5501 ...@@ -8529,7 +8540,7 @@ connect = localhost:5501
then all bets are off!. then all bets are off!.
More SSL variations and info about certificates can be found More SSL variations and info about certificates can be found
[712]here. [714]here.
OpenSSL libssl.so.0.9.7 problems: OpenSSL libssl.so.0.9.7 problems:
...@@ -8539,7 +8550,7 @@ connect = localhost:5501 ...@@ -8539,7 +8550,7 @@ connect = localhost:5501
distros are currently a bit of a mess regarding which version of distros are currently a bit of a mess regarding which version of
libssl is installed. libssl is installed.
You will find the [713]details here. You will find the [715]details here.
Q-123: Can I (temporarily) mount my local (viewer-side) Windows/Samba Q-123: Can I (temporarily) mount my local (viewer-side) Windows/Samba
...@@ -8548,7 +8559,7 @@ connect = localhost:5501 ...@@ -8548,7 +8559,7 @@ connect = localhost:5501
You will have to use an external network redirection for this. You will have to use an external network redirection for this.
Filesystem mounting is not part of the VNC protocol. Filesystem mounting is not part of the VNC protocol.
We show a simple [714]Samba example here. We show a simple [716]Samba example here.
First you will need a tunnel to redirect the SMB requests from the First you will need a tunnel to redirect the SMB requests from the
remote machine to the one you sitting at. We use an ssh tunnel: remote machine to the one you sitting at. We use an ssh tunnel:
...@@ -8588,7 +8599,7 @@ d,ip=127.0.0.1,port=1139 ...@@ -8588,7 +8599,7 @@ d,ip=127.0.0.1,port=1139
far-away> smbumount /home/fred/smb-haystack-pub far-away> smbumount /home/fred/smb-haystack-pub
At some point we hope to fold some automation for SMB ssh redir setup At some point we hope to fold some automation for SMB ssh redir setup
into the [715]Enhanced TightVNC Viewer (SSVNC) package we provide (as into the [717]Enhanced TightVNC Viewer (SSVNC) package we provide (as
of Sep 2006 it is there for testing). of Sep 2006 it is there for testing).
...@@ -8598,7 +8609,7 @@ d,ip=127.0.0.1,port=1139 ...@@ -8598,7 +8609,7 @@ d,ip=127.0.0.1,port=1139
You will have to use an external network redirection for this. You will have to use an external network redirection for this.
Printing is not part of the VNC protocol. Printing is not part of the VNC protocol.
We show a simple Unix to Unix [716]CUPS example here. Non-CUPS port We show a simple Unix to Unix [718]CUPS example here. Non-CUPS port
redirections (e.g. LPD) should also be possible, but may be a bit more redirections (e.g. LPD) should also be possible, but may be a bit more
tricky. If you are viewing on Windows SMB and don't have a local cups tricky. If you are viewing on Windows SMB and don't have a local cups
server it may be trickier still (see below). server it may be trickier still (see below).
...@@ -8680,7 +8691,7 @@ d,ip=127.0.0.1,port=1139 ...@@ -8680,7 +8691,7 @@ d,ip=127.0.0.1,port=1139
"localhost". "localhost".
At some point we hope to fold some automation for CUPS ssh redir setup At some point we hope to fold some automation for CUPS ssh redir setup
into the [717]Enhanced TightVNC Viewer (SSVNC) package we provide (as into the [719]Enhanced TightVNC Viewer (SSVNC) package we provide (as
of Sep 2006 it is there for testing). of Sep 2006 it is there for testing).
...@@ -8781,7 +8792,7 @@ or: ...@@ -8781,7 +8792,7 @@ or:
the applications will fail to run because LD_PRELOAD will point to the applications will fail to run because LD_PRELOAD will point to
libraries of the wrong wordsize. libraries of the wrong wordsize.
* At some point we hope to fold some automation for esd or artsd ssh * At some point we hope to fold some automation for esd or artsd ssh
redir setup into the [718]Enhanced TightVNC Viewer (SSVNC) package redir setup into the [720]Enhanced TightVNC Viewer (SSVNC) package
we provide (as of Sep/2006 it is there for testing). we provide (as of Sep/2006 it is there for testing).
...@@ -8793,14 +8804,14 @@ or: ...@@ -8793,14 +8804,14 @@ or:
in Solaris, see Xserver(1) for how to turn it on via +kb), and so you in Solaris, see Xserver(1) for how to turn it on via +kb), and so you
won't hear them if the extension is not present. won't hear them if the extension is not present.
If you don't want to hear the beeps use the [719]-nobell option. If If you don't want to hear the beeps use the [721]-nobell option. If
you want to hear the audio from the remote applications, consider you want to hear the audio from the remote applications, consider
trying a [720]redirector such as esd. trying a [722]redirector such as esd.
Q-127: Does x11vnc work with IPv6? Q-127: Does x11vnc work with IPv6?
Currently the only way to do this is via [721]inetd. You configure Currently the only way to do this is via [723]inetd. You configure
x11vnc to be run from inetd or xinetd and instruct it to listen on an x11vnc to be run from inetd or xinetd and instruct it to listen on an
IPv6 address. For xinetd the setting "flags = IPv6" will be needed. IPv6 address. For xinetd the setting "flags = IPv6" will be needed.
...@@ -8809,7 +8820,7 @@ or: ...@@ -8809,7 +8820,7 @@ or:
connection). Some sort of ipv4-to-ipv6 redirector tool (perhaps even a connection). Some sort of ipv4-to-ipv6 redirector tool (perhaps even a
perl script) could be useful to avoid this. perl script) could be useful to avoid this.
Also note that not all VNC Viewers are [722]IPv6 enabled, so a Also note that not all VNC Viewers are [724]IPv6 enabled, so a
redirector could even be needed on the client side. redirector could even be needed on the client side.
...@@ -9364,192 +9375,194 @@ References ...@@ -9364,192 +9375,194 @@ References
534. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect 534. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
535. http://www.karlrunge.com/x11vnc/index.html#beta-test 535. http://www.karlrunge.com/x11vnc/index.html#beta-test
536. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ncache 536. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ncache
537. http://www.karlrunge.com/x11vnc/ssvnc.html#ycrop 537. http://www.karlrunge.com/x11vnc/ssvnc.html
538. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ncache_no_rootpixmap 538. http://www.karlrunge.com/x11vnc/ssvnc.html#ycrop
539. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ncache_cr 539. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ncache_no_rootpixmap
540. http://www.virtualgl.org/About/TurboVNC 540. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ncache_cr
541. http://www.virtualgl.org/ 541. http://www.virtualgl.org/About/TurboVNC
542. http://sourceforge.net/project/showfiles.php?group_id=117509&package_id=166100 542. http://www.virtualgl.org/
543. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait 543. http://sourceforge.net/project/showfiles.php?group_id=117509&package_id=166100
544. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer 544. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait
545. http://sourceforge.net/project/showfiles.php?group_id=117509&package_id=166100 545. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer
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549. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor 549. http://www.karlrunge.com/x11vnc/index.html#fb_read_slow
550. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay 550. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor
551. http://www.karlrunge.com/x11vnc/faq.html#infaq_the-overlay-mode 551. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor
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554. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphacut 554. http://www.karlrunge.com/x11vnc/index.html#solaris10-build
555. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphafrac 555. http://www.karlrunge.com/x11vnc/faq.html#faq-xfixes-alpha-hacks
556. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alpharemove 556. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphacut
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558. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noalphablend 558. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alpharemove
559. http://www.karlrunge.com/x11vnc/ssvnc.html 559. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorshape
560. http://www.tightvnc.com/ 560. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noalphablend
561. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursor 561. http://www.karlrunge.com/x11vnc/ssvnc.html
562. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursorpos 562. http://www.tightvnc.com/
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564. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorshape 564. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursorpos
565. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap 565. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorpos
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567. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap 567. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap
568. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak 568. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_pointer
569. http://www.karlrunge.com/x11vnc/faq.html#faq-greaterless 569. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap
570. http://www.karlrunge.com/x11vnc/faq.html#faq-xkbmodtweak 570. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
571. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard 571. http://www.karlrunge.com/x11vnc/faq.html#faq-greaterless
572. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak 572. http://www.karlrunge.com/x11vnc/faq.html#faq-xkbmodtweak
573. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb 573. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard
574. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys 574. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
575. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak 575. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
576. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak 576. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys
577. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 577. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
578. http://www.karlrunge.com/x11vnc/faq.html#faq-xkbmodtweak 578. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
579. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard 579. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
580. http://www.karlrunge.com/x11vnc/faq.html#faq-greaterless 580. http://www.karlrunge.com/x11vnc/faq.html#faq-xkbmodtweak
581. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb 581. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard
582. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys 582. http://www.karlrunge.com/x11vnc/faq.html#faq-greaterless
583. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak 583. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
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585. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb 585. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
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587. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 587. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
588. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms 588. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_keycodes
589. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 589. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
590. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 590. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms
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593. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-norepeat 593. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms
594. http://www.karlrunge.com/x11vnc/faq.html#faq-display-manager 594. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-norepeat
595. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_mods 595. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-norepeat
596. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 596. http://www.karlrunge.com/x11vnc/faq.html#faq-display-manager
597. http://www.karlrunge.com/x11vnc/faq.html#faq-remap-capslock 597. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_mods
598. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_lockkeys 598. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
599. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock 599. http://www.karlrunge.com/x11vnc/faq.html#faq-remap-capslock
600. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_all 600. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_lockkeys
601. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 601. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock
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605. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap 605. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nomodtweak
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608. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nomodtweak 608. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_lockkeys
609. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock 609. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
610. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_all 610. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nomodtweak
611. http://www.karlrunge.com/x11vnc/faq.html#faq-scaling 611. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock
612. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale 612. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_all
613. http://people.pwf.cam.ac.uk/ssb22/setup/vnc-magnification.html 613. http://www.karlrunge.com/x11vnc/faq.html#faq-scaling
614. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport 614. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale
615. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui 615. http://people.pwf.cam.ac.uk/ssb22/setup/vnc-magnification.html
616. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-connect 616. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
617. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale_cursor 617. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui
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620. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xinerama 620. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-blackout
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624. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-onetile 624. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xwarppointer
625. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noshm 625. http://www.karlrunge.com/x11vnc/faq.html#faq-solshm
626. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clip 626. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-onetile
627. http://www.karlrunge.com/x11vnc/faq.html#faq-xinerama 627. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noshm
628. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id 628. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clip
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630. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xrandr 630. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
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632. http://www.karlrunge.com/x11vnc/ssvnc.html 632. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xrandr
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635. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nodpms 635. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rotate
636. http://www.beryl-project.org/ 636. http://www.jwz.org/xscreensaver/man1.html
637. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noxdamage 637. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nodpms
638. http://www.dslinux.org/blogs/pepsiman/?p=73 638. http://www.beryl-project.org/
639. http://minimyth.org/ 639. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noxdamage
640. http://www.karlrunge.com/x11vnc/faq.html#faq-linuxvc 640. http://www.dslinux.org/blogs/pepsiman/?p=73
641. http://www.karlrunge.com/x11vnc/faq.html#faq-rawfb 641. http://minimyth.org/
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643. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id 643. http://www.karlrunge.com/x11vnc/faq.html#faq-rawfb
644. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb 644. http://www.karlrunge.com/x11vnc/faq.html#faq-linuxvc
645. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput 645. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
646. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput 646. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
647. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb 647. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
648. http://www.karlrunge.com/x11vnc/faq.html#faq-video 648. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
649. http://www.karlrunge.com/x11vnc/faq.html#faq-xvfb 649. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb
650. http://www.karlrunge.com/x11vnc/faq.html#faq-qt-embedded 650. http://www.karlrunge.com/x11vnc/faq.html#faq-video
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652. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb 652. http://www.karlrunge.com/x11vnc/faq.html#faq-qt-embedded
653. http://www.karlrunge.com/x11vnc/faq.html#faq-video 653. http://www.karlrunge.com/x11vnc/faq.html#faq-video
654. http://www.karlrunge.com/x11vnc/faq.html#faq-linuxvc 654. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
655. http://www.karlrunge.com/x11vnc/faq.html#faq-qt-embedded 655. http://www.karlrunge.com/x11vnc/faq.html#faq-video
656. http://www.karlrunge.com/x11vnc/faq.html#faq-vmware 656. http://www.karlrunge.com/x11vnc/faq.html#faq-linuxvc
657. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb 657. http://www.karlrunge.com/x11vnc/faq.html#faq-qt-embedded
658. http://www.karlrunge.com/x11vnc/faq.html#faq-rawfb 658. http://www.karlrunge.com/x11vnc/faq.html#faq-vmware
659. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb 659. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
660. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32 660. http://www.karlrunge.com/x11vnc/faq.html#faq-rawfb
661. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait 661. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb
662. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-slow_fb 662. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
663. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer 663. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait
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665. http://www.karlrunge.com/x11vnc/faq.html#faq-rawfb 665. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer
666. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput 666. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-freqtab
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668. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb 668. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
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670. http://www.testplant.com/products/vine_server/OS_X 670. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
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672. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id 672. http://www.testplant.com/products/vine_server/OS_X
673. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id 673. http://www.apple.com/remotedesktop/
674. http://fredrik.hubbe.net/x2vnc.html 674. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
675. http://www.karlrunge.com/x11vnc/faq.html#faq-win2vnc 675. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
676. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-reflect 676. http://fredrik.hubbe.net/x2vnc.html
677. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb 677. http://www.karlrunge.com/x11vnc/faq.html#faq-win2vnc
678. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nodragging 678. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-reflect
679. http://sourceforge.net/projects/vnc-reflector/ 679. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
680. http://www.tightvnc.com/projector/ 680. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nodragging
681. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-connect 681. http://sourceforge.net/projects/vnc-reflector/
682. http://www.karlrunge.com/x11vnc/faq.html#faq-display-manager 682. http://www.tightvnc.com/projector/
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685. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nosel 685. http://www.karlrunge.com/x11vnc/faq.html#faq-display-manager
686. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noprimary 686. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-connect
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689. http://www.unixuser.org/~euske/vnc2swf/ 689. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-seldir
690. http://wolphination.com/linux/2006/06/30/how-to-record-videos-of-your-desktop/ 690. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-input
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692. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-tightfilexfer 692. http://wolphination.com/linux/2006/06/30/how-to-record-videos-of-your-desktop/
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717. http://www.karlrunge.com/x11vnc/ssvnc.html 717. http://www.karlrunge.com/x11vnc/ssvnc.html
718. http://www.karlrunge.com/x11vnc/ssvnc.html 718. http://www.cups.org/
719. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nobell 719. http://www.karlrunge.com/x11vnc/ssvnc.html
720. http://www.karlrunge.com/x11vnc/faq.html#faq-sound 720. http://www.karlrunge.com/x11vnc/ssvnc.html
721. http://www.karlrunge.com/x11vnc/faq.html#faq-inetd 721. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nobell
722. http://jungla.dit.upm.es/~acosta/paginas/vncIPv6.html 722. http://www.karlrunge.com/x11vnc/faq.html#faq-sound
723. http://www.karlrunge.com/x11vnc/faq.html#faq-inetd
724. http://jungla.dit.upm.es/~acosta/paginas/vncIPv6.html
======================================================================= =======================================================================
http://www.karlrunge.com/x11vnc/chainingssh.html: http://www.karlrunge.com/x11vnc/chainingssh.html:
...@@ -12464,7 +12477,7 @@ x11vnc: a VNC server for real X displays ...@@ -12464,7 +12477,7 @@ x11vnc: a VNC server for real X displays
Here are all of x11vnc command line options: Here are all of x11vnc command line options:
% x11vnc -opts (see below for -help long descriptions) % x11vnc -opts (see below for -help long descriptions)
x11vnc: allow VNC connections to real X11 displays. 0.9.7 lastmod: 2009-03-07 x11vnc: allow VNC connections to real X11 displays. 0.9.7 lastmod: 2009-03-08
x11vnc options: x11vnc options:
-display disp -auth file -N -display disp -auth file -N
...@@ -12589,7 +12602,7 @@ libvncserver-tight-extension options: ...@@ -12589,7 +12602,7 @@ libvncserver-tight-extension options:
% x11vnc -help % x11vnc -help
x11vnc: allow VNC connections to real X11 displays. 0.9.7 lastmod: 2009-03-07 x11vnc: allow VNC connections to real X11 displays. 0.9.7 lastmod: 2009-03-08
(type "x11vnc -opts" to just list the options.) (type "x11vnc -opts" to just list the options.)
......
...@@ -1063,7 +1063,7 @@ void vnc_reflect_got_copyrect(rfbClient *cl, int src_x, int src_y, int w, int h, ...@@ -1063,7 +1063,7 @@ void vnc_reflect_got_copyrect(rfbClient *cl, int src_x, int src_y, int w, int h,
if (dx != last_dx || dy != last_dy) { if (dx != last_dx || dy != last_dy) {
rc = fb_push_wait(0.05, FB_COPY|FB_MOD); rc = fb_push_wait(0.05, FB_COPY|FB_MOD);
} }
if (1) fprintf(stderr, "vnc_reflect_got_copyrect: %03dx%03d+%03d+%03d %3d %3d rc=%d\n", dest_x, dest_y, w, h, dx, dy, rc); if (0) fprintf(stderr, "vnc_reflect_got_copyrect: %03dx%03d+%03d+%03d %3d %3d rc=%d\n", dest_x, dest_y, w, h, dx, dy, rc);
reg = sraRgnCreateRect(dest_x, dest_y, dest_x + w, dest_y + h); reg = sraRgnCreateRect(dest_x, dest_y, dest_x + w, dest_y + h);
do_copyregion(reg, dx, dy, 0); do_copyregion(reg, dx, dy, 0);
sraRgnDestroy(reg); sraRgnDestroy(reg);
......
...@@ -3825,7 +3825,8 @@ void ncache_pre_portions(Window orig_frame, Window frame, int *nidx_in, int try_ ...@@ -3825,7 +3825,8 @@ void ncache_pre_portions(Window orig_frame, Window frame, int *nidx_in, int try_
dx = 0; dx = 0;
dy = dpy_y; dy = dpy_y;
sraRgnOffset(r2, dx, dy); sraRgnOffset(r2, dx, dy);
if (ncdb) fprintf(stderr, "FB_COPY: %.4f 1) offscreen check:\n", dnow() - ntim); if (ncdb) fprintf(stderr, "FB_COPY: %.4f 1) offscreen: dx, dy: %d, %d -> %d, %d orig %dx%d+%d+%d bs_xy: %d %d\n",
dnow() - ntim, bs_x - orig_x, bs_y - orig_y, dx, dy, orig_w, orig_h, orig_x, orig_y, bs_x, bs_y);
/* 0) save it in the invalid (offscreen) SU portion */ /* 0) save it in the invalid (offscreen) SU portion */
if (! *use_batch) { if (! *use_batch) {
...@@ -4107,8 +4108,20 @@ void do_copyrect_drag_move(Window orig_frame, Window frame, int *nidx, int try_b ...@@ -4107,8 +4108,20 @@ void do_copyrect_drag_move(Window orig_frame, Window frame, int *nidx, int try_b
int dx, dy; int dx, dy;
int use_batch = 0; int use_batch = 0;
double ntim = dnow(); double ntim = dnow();
static int nob = -1;
sraRegionPtr r0, r1; sraRegionPtr r0, r1;
if (nob < 0) {
if (getenv("NOCRBATCH")) {
nob = 1;
} else {
nob = 0;
}
}
if (nob) {
try_batch = 0;
}
dx = x - now_x; dx = x - now_x;
dy = y - now_y; dy = y - now_y;
if (dx == 0 && dy == 0) { if (dx == 0 && dy == 0) {
...@@ -4125,6 +4138,13 @@ if (ncdb) fprintf(stderr, "do_COPY: now_xy: %d %d, orig_wh: %d %d, xy: %d %d, wh ...@@ -4125,6 +4138,13 @@ if (ncdb) fprintf(stderr, "do_COPY: now_xy: %d %d, orig_wh: %d %d, xy: %d %d, wh
dx = x - now_x; dx = x - now_x;
dy = y - now_y; dy = y - now_y;
/* make sure the source is on-screen too */
sraRgnOffset(r1, -dx, -dy);
sraRgnAnd(r1, r0);
sraRgnOffset(r1, +dx, +dy);
sraRgnAnd(r1, r0); /* just to be sure, problably not needed */
if (! use_batch) { if (! use_batch) {
do_copyregion(r1, dx, dy, 0); do_copyregion(r1, dx, dy, 0);
if (!fb_push_wait(0.2, FB_COPY)) { if (!fb_push_wait(0.2, FB_COPY)) {
......
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
.TH X11VNC "1" "March 2009" "x11vnc " "User Commands" .TH X11VNC "1" "March 2009" "x11vnc " "User Commands"
.SH NAME .SH NAME
x11vnc - allow VNC connections to real X11 displays x11vnc - allow VNC connections to real X11 displays
version: 0.9.7, lastmod: 2009-03-07 version: 0.9.7, lastmod: 2009-03-08
.SH SYNOPSIS .SH SYNOPSIS
.B x11vnc .B x11vnc
[OPTION]... [OPTION]...
......
...@@ -1824,7 +1824,8 @@ char msg2[] = ...@@ -1824,7 +1824,8 @@ char msg2[] =
"\n" "\n"
" x11vnc -ncache 10 ...\n" " x11vnc -ncache 10 ...\n"
"\n" "\n"
"more info: http://www.karlrunge.com/x11vnc/faq.html#faq-client-caching\n" "One can also add -ncache_cr for smooth 'copyrect' window motion.\n"
"More info: http://www.karlrunge.com/x11vnc/faq.html#faq-client-caching\n"
"\n" "\n"
; ;
......
...@@ -15,7 +15,7 @@ int xtrap_base_event_type = 0; ...@@ -15,7 +15,7 @@ int xtrap_base_event_type = 0;
int xdamage_base_event_type = 0; int xdamage_base_event_type = 0;
/* date +'lastmod: %Y-%m-%d' */ /* date +'lastmod: %Y-%m-%d' */
char lastmod[] = "0.9.7 lastmod: 2009-03-07"; char lastmod[] = "0.9.7 lastmod: 2009-03-08";
/* X display info */ /* X display info */
......
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