Re: Spurious pastes
On 02-Feb-2018 13:13, David Mathog wrote: I seem to recall that before this if I highlighted a region in an xterm window, then moved to another X11 application window, and center clicked, it would paste the highlighted text. However, if nothing was highlighted in the last window, nothing would paste. My memory may be faulty on this issue though, as I never paid a lot of attention to it before it started misbehaving. That wasn't right, but cut/paste is slightly different between "on the console" and "over putty ssh tunnel with X11 Server on Windows". On an XFCE4 ubuntu system console this is what happens: I'm guessing this means a non-X terminal? That is a regular X11 server, xorg 1.15.1. It just acts differently in that it was possible to "select nothing". Hmm... I'm not sure what to make of that. In my brief testing, the behaviour does seem to vary with different terminals: terminator doesn't let you select an empty region, lxterm empties the selection (your expected behaviour), and xterm/rxvt don't change the selection. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/
Re: Spurious pastes
On 07-Feb-2018 06:26, Jon Turney wrote: On 02/02/2018 22:26, David Mathog wrote: In the last few days nedit on those remote machines has been doing spurious pastes. That is, whatever is currently in the X11 paste buffer (not the program's paste buffer) is ending up dropped into whatever file is being edited. Unclear why they are landing where they do, I have not actually seen it happen, just found it when diff indicated these odd insertions. My best guess is that these happen while I am scrolling over these regions. Needless to say, this is really not a good thing. There have been only two changes recently. 1. I cleaned my mouse. 2. yum on 1/27/18 automatically installed on those servers: xorg-x11-server-common-1.17.4-16.el6.centos.1.x86_64 To eliminate (1) the mouse was swapped with another one. Too soon to know if that did anything. I wonder if you aren't somehow accidentally clicking the middle mouse button whilst scrolling? That seems to be what caused it. Those errant pastes have not happened again with the 2nd mouse. My best guess is that somehow putting the mouse back together decreased the "click distance" on the scroll wheel, so that now and then in the middle of a scroll motion there was also a click. I would never see it when it happened because the scroll actions on either side of the click would move it off the screen. On 02-Feb-2018 13:13, David Mathog wrote: I seem to recall that before this if I highlighted a region in an xterm window, then moved to another X11 application window, and center clicked, it would paste the highlighted text. However, if nothing was highlighted in the last window, nothing would paste. My memory may be faulty on this issue though, as I never paid a lot of attention to it before it started misbehaving. That wasn't right, but cut/paste is slightly different between "on the console" and "over putty ssh tunnel with X11 Server on Windows". On an XFCE4 ubuntu system console this is what happens: I'm guessing this means a non-X terminal? That is a regular X11 server, xorg 1.15.1. It just acts differently in that it was possible to "select nothing". Is there a standard way to clear this buffer? I was going to suggest 'xsel -c' or 'xclip -i /dev/null', but that doesn't work (in this case) for obscure reasons to do with cut buffers... Too bad. Sometimes I cut and paste hundreds of lines of text and those are always a mistaken center click in an xterm away from hundreds of bogus commands trying to run. If you have any control of this issue a standard key stroke combination to clear would be wonderful. Failing that, control-shift-center click (or something like that) to paste and then clear would be nearly as good. For future issues, can I ask you to use the cygwin list, per [1] [1] https://cygwin.com/ml/cygwin-xfree-announce/2015-03/msg1.html I will try to remember that. Thanks, David Mathog mat...@caltech.edu Manager, Sequence Analysis Facility, Biology Division, Caltech -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/
Re: Spurious pastes
On 02/02/2018 22:26, David Mathog wrote: In the last few days nedit on those remote machines has been doing spurious pastes. That is, whatever is currently in the X11 paste buffer (not the program's paste buffer) is ending up dropped into whatever file is being edited. Unclear why they are landing where they do, I have not actually seen it happen, just found it when diff indicated these odd insertions. My best guess is that these happen while I am scrolling over these regions. Needless to say, this is really not a good thing. There have been only two changes recently. 1. I cleaned my mouse. 2. yum on 1/27/18 automatically installed on those servers: xorg-x11-server-common-1.17.4-16.el6.centos.1.x86_64 To eliminate (1) the mouse was swapped with another one. Too soon to know if that did anything. I wonder if you aren't somehow accidentally clicking the middle mouse button whilst scrolling? On 02-Feb-2018 13:13, David Mathog wrote: I seem to recall that before this if I highlighted a region in an xterm window, then moved to another X11 application window, and center clicked, it would paste the highlighted text. However, if nothing was highlighted in the last window, nothing would paste. My memory may be faulty on this issue though, as I never paid a lot of attention to it before it started misbehaving. That wasn't right, but cut/paste is slightly different between "on the console" and "over putty ssh tunnel with X11 Server on Windows". On an XFCE4 ubuntu system console this is what happens: I'm guessing this means a non-X terminal? 1. type "pwd" into an uxterm window 2. highlight "pwd" on the line at the preceding prompt, center click once at the current prompt. "pwd" is pasted. Press "enter". 3. left click once on the still highlighted "pwd", now 2 lines up. The highlight goes away. Center click once at the prompt. "pwd" is still pasted. Press "enter". 4. With the left mouse button drag across any letter and back to the original position. So nothing is highlighted. This can be on any text anywhere in the window. Center click at the prompt. Nothing is pasted - the paste buffer is now empty. So on the console it is possible to select "nothing". On the X11 server ssh to the Ubuntu system and it is the same for the first 3 steps, but the 4th still pastes "pwd". The rule seems to be "paste buffer can be replaced by anything selected, but not by a select operation which ends with nothing highlighted." On the X11 server ssh to the Centos system, it behaves just like a similar connection to the Centos system. The operations do the same thing when going between two uxterm windows on any of these tests. Which is right? Is "nothing" a valid thing to load into the paste buffer or no? From the testing I did on a couple of linux systems, making an empty selection in urxvt doesn't change the clipboard contents, so I don't think this is specifically a Cygwin X server problem. I think it's up to the client (i.e. urxvt) how it interprets making an empty selection, which seems to be to not update the selection. Is there a standard way to clear this buffer? I was going to suggest 'xsel -c' or 'xclip -i /dev/null', but that doesn't work (in this case) for obscure reasons to do with cut buffers... For future issues, can I ask you to use the cygwin list, per [1] [1] https://cygwin.com/ml/cygwin-xfree-announce/2015-03/msg1.html -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/
Re: Spurious pastes
On 02-Feb-2018 13:13, David Mathog wrote: I seem to recall that before this if I highlighted a region in an xterm window, then moved to another X11 application window, and center clicked, it would paste the highlighted text. However, if nothing was highlighted in the last window, nothing would paste. My memory may be faulty on this issue though, as I never paid a lot of attention to it before it started misbehaving. That wasn't right, but cut/paste is slightly different between "on the console" and "over putty ssh tunnel with X11 Server on Windows". On an XFCE4 ubuntu system console this is what happens: 1. type "pwd" into an uxterm window 2. highlight "pwd" on the line at the preceding prompt, center click once at the current prompt. "pwd" is pasted. Press "enter". 3. left click once on the still highlighted "pwd", now 2 lines up. The highlight goes away. Center click once at the prompt. "pwd" is still pasted. Press "enter". 4. With the left mouse button drag across any letter and back to the original position. So nothing is highlighted. This can be on any text anywhere in the window. Center click at the prompt. Nothing is pasted - the paste buffer is now empty. So on the console it is possible to select "nothing". On the X11 server ssh to the Ubuntu system and it is the same for the first 3 steps, but the 4th still pastes "pwd". The rule seems to be "paste buffer can be replaced by anything selected, but not by a select operation which ends with nothing highlighted." On the X11 server ssh to the Centos system, it behaves just like a similar connection to the Centos system. The operations do the same thing when going between two uxterm windows on any of these tests. Which is right? Is "nothing" a valid thing to load into the paste buffer or no? Is there a standard way to clear this buffer? Thanks, David Mathog mat...@caltech.edu Manager, Sequence Analysis Facility, Biology Division, Caltech -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/
