John J Ottusch | 29 Nov 03:56 2015

Persistent CYGWIN/X server taskbar button with urxvt in CYGWIN-64, not rxvt in CYGWIN-32. Why?

I use CYGWIN a lot with 64-bit Windows 7 and have been transitioning 
from 32-bit CYGWIN to 64-bit CYGWIN primarily in hopes of avoiding 

If I could set up 64-bit CYGWIN (= C64) to behave exactly the same way 
as my 32-bit CYGWIN (= C32) set up I would, but the applications don't 
match up exactly and they don't behave exactly the same way.

One difference I notice is that opening a urxvt in C64 creates a 
separate button associated with the Cygwin/X server process in the 
taskbar, whereas opening an rxvt in C32 does not. (rxvt is not available 
as a C64 application, but I would expect urxvt to operate similarly). In 
both cases an icon for the Cygwin/X server process shows up in the 
notification area.

Both are started from a Windows shortcut:

C32 target: 
C:\win32app\cygwin\bin\run.exe C:\win32app\cygwin\rxvtermX.bat

C64 target: 
C:\win64app\cygwin\bin\run.exe C:\win64app\cygwin\urxvtermX.bat

The batch files that run are similar. Both start 'XWin' if it is not 
already running, then run 'rxvt/urxvt'.

Contents of 'rxvterm.bat' (C32):
 <at> echo off
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paul | 16 Oct 07:41 2015

Xserver corresponds to display :1.0 instead of :0.0

I have a very simple ~/.startxwinrc:

   xrdb -load $HOME/.Xresources
   xterm -display :0.0 # xterm &
   exec sleep infinity

Recently, I found that the xterm wasn't launching.  I googled, read
some cygwin threads about X authorities, but have to admit, I have a
lot to learn about X windows.  Anyway, since I could open an xterm by
right clicking on the Cygwin/Xserver:1.0 app in the notification area
of Windows 7, I sneakily (OK, it wasn't the craftiest thing in the
world) echo'd $DISPLAY.  Lo, it was 1.0, and the following works fine:

   xterm -display :1.0 &

Yes, I know it says 1.0 in the tip for the Cygwin/Xserver:1.0 app, but
I didn't actually look at that detail until now, as I'm posting.

A google for the following doesn't turn up anything:

   cygwin xterm "-display :0.0" "display :1.0"

I'm wondering if this was a planned change in how X-windows works or
if something is awry with my setup, causing a server with display :0.0
to fail, and making go to :1.0.  I did a browse of the cygin announce
list on gmane (since the X-windows announce list is now obsolete), but
no joy.  And I would have expected anything to show up in my google

Can anyone point me to the description of this change?  If it is not a
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paul | 13 Oct 03:16 2015

xpdf responds spasmodically to 2-finger scroll

Most touchpads these days have multi-finger gesture.  Synaptics seems
to reign in the Windows world, and you can now scroll by sliding 2
fingers along the touch pad.  In the past, you had to define a scroll
margin for 1-finger scrolling.

I'm finding that cygwin's xpdf responds in an unusably spasmodic way
to 2-finger scrolling.  Once in a blue moon, after using another app
like Firefox, xpdf will respond smoothly as other apps do.  but the
moment you change anything, e.g. enabling continuous scroll, the
usable behaviour disappears and you get the spasmodic behaviour (even
if you reverse what you did to make the good behaviour go away).

Has anyone else found this to be the case?  Has anyone discovered the
secret combination of actions that bring about the good scrolling
behaviour?  Has anyone discovered the secret for making the smooth
scrolling stick?

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Gulliver Smith | 7 Oct 17:20 2015

Window manager commands in native window manager multiwindow mode

I ask this question from time to time just in case someone new sees it
and decides to work on it or others might agree that it is a priority.
Other people have raised this over the last few years as well.

The issue is that I would like to raise windows from within a program
(Emacs to be precise), but it doesn't work with the native window
manager running in multiwindow mode.

Emacs has several nice commands for which I have not-so-nice work
arounds (opening and closing windows). These are:

(raise-frame f)
(iconify-frame f)
(decionify-frame f)
(make-frame-visible f)

None of these work with Cygwin X.


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Paul | 17 Sep 07:08 2015

xpdf zoom-in/out ("-"/"+") doesn't work after "z"/"w"

After I press "z" to fit the page to the window, or "w" to fit the page
width within the window, I'm finding that "-" & "+" is unresponsive.  I can
get it responding again by first pression "0" to zoom to 125%, but I really
hope that this is not necessary.  Is anyone else experiencing this?  I
didn't use xpdf on this computer before, and just loaded the package tonight.

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Chris Dillie | 13 Aug 23:34 2015

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l.wood | 24 Jul 02:27 2015

X no longer spawning windows after update

Updated cygwin 32-bit with installer, now X no longer spawning windows or terminal on launch. Just seems to
hang after running startxwin. Is there anything obvious in the log below?

(eight mouse buttons? on a three-button mouse?)


Lloyd Wood

$ startxwin

Could not load crashreporter dll
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
OS: CYGWIN_NT-6.1-WOW AU00200164 2.1.0(0.287/5/3) 2015-07-14 21:26 i686
OS: Windows 7 Service Pack 1 [Windows NT 6.1 build 7601] (WoW64)
Package: version 1.17.1-5 built 2015-06-02

XWin was started with the following command line:

/usr/bin/XWin :16 -multiwindow -auth

Could not load crashreporter dll
(II) xorg.conf is not supported
(II) See for more information
LoadPreferences: /home/lloydwood/.XWinrc not found
LoadPreferences: Loading /etc/X11/system.XWinrc
(Continue reading)

Robert McBroom | 21 Jul 06:52 2015

Problems with cygwin in Windows 10

Having problems  with the X interface in Windows 10 (currently build 
10240).  /bin/startxwin fails with the symptoms in the attached file 
xwin.txt.  The output from cygcheck -cv is also attached.  What am I 
$ startxwin

Could not load crashreporter dll
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
OS: CYGWIN_NT-10.0 WIN-xx 2.0.4(0.287/5/3) 2015-06-09 12:22 x86_64
OS: Windows 10  [Windows NT 10.0 build 10130] (Win64)
Package: version 1.17.1-5 built 2015-06-02

XWin was started with the following command line:

/usr/bin/XWin :2 -multiwindow -auth /home/granp/.serverauth.5032

(EE) Fatal server error:
(EE) Could not create lock file in /tmp/.tX2-lock

waiting for X server to begin accepting connections .
(Continue reading)

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Fergus Daly | 10 Jun 13:28 2015

Following update to XWin or xorg-server: changed syntax to get a xterm terminal window

For ages I used
    XWin -nolock -nolisten local -multiwindow &
    xterm -display localhost:0.0
to get a xterm terminal.
Following recent updates I get a fatal error: "Cannot establish any listening sockets."
In the past, updates to XWin have sometimes led to similar difficulties, but I have always managed to
iterate to a new successful joint syntax 
    XWin <arguments>
    xterm <arguments>
but this time I am totally stymied.
Can anybody offer me a working syntax please?
Thank you.

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