On 2019-03-21 09:48:36 Dr. Nikolaus Klepp wrote:
> Anno domini 2019 Wed, 20 Mar 23:46:39 -0500
>
> J Leslie Turriff scripsit:
> > On 2019-03-15 02:52:33 Dr. Nikolaus Klepp wrote:
> > > Anno domini 2019 Thu, 14 Mar 22:40:38 -0500
> > >
> > > J Leslie Turriff scripsit:
> > > > On 2019-03-14 20:15:13 Michael wrote:
> > > > > On Thursday 14 March 2019 06:26:16 pm J Leslie Turriff wrote:
> > > > > > On 2019-03-11 04:12:29 Dr. Nikolaus Klepp wrote:
> > > > > > > Anno domini 2019 Sun, 10 Mar 11:16:03 -0500
> > > > >
> > > > > .> > J Leslie Turriff scripsit:
> > > > > > > > On 2019-03-10 10:35:32 BorgLabs - Kate Draven wrote:
> > > > > > > > > On Sunday 10 March 2019, J Leslie Turriff wrote:
> > > > > > > > > > Is there a way to make TDE aware of running
> > > > > > > > > > non-Trinity applications so that they can be resurrected
> > > > > > > > > > after Logout/Login? I have at least one X11-based
> > > > > > > > > > application (X2 - The Programmer's Editor) that I use
> > > > > > > > > > extensively, and it would be nice if it could remember
> > > > > > > > > > across Logout/Login events. I'm wondering if something
> > > > > > > > > > like a DCOP wrapper might do the job?
> > > > > > > > >
> > > > > > > > > Load the application into your autostart dir.
> > > > > > > > > /home/foo/.trinity/autostart
> > > > > > > > > Also, check the program's setting to see if it has an
> > > > > > > > > autostart feature.
> > > > > > > >
> > > > > > > > Yes, that would work if I wanted it to start at every
> > > > > > > > login, not just if it was running when I logged out...
> > > > > > >
> > > > > > > Once upon a time there was a little kingdom where all
> > > > > > > applications held the X11 standards high and the grand master
> > > > > > > of session management called
> > > > > >
> > > > > > So I guess you're saying that there's no way to get TDE to
> > > > > > notice my X2, then.
> > > > >
> > > > > You can use the autostart dir [1], but you'll need to do the work
> > > > > yourself. You could add a wrapper to starting X2 and a script in
> > > > > the autostart dir. Or better would be a check script in the
> > > > > shutdown dir (if it exists) and a corresponding script in the
> > > > > autostart dir.
> > > > >
> > > > > Here's some out of context code from something else, hack-and-slash
> > > > > as needed.
> > > > >
> > > > > #!/bin/bash
> > > > > /path-to-X2/X2
> > > > > Pid=`pgrep -f /path-to-X2/X2`
> > > > > if [ "$Pid" != "" ] ; then
> > > > > # echo Already running...
> > > > > # ps "$Pid"
> > > > > touch /home/foo/.trinity/apps-to-restart/X2
> > > > > exit
> > > > > fi
> > > > >
> > > > > In any event, what you want can be done, it just might be painful.
> > > > >
> > > > > Best,
> > > > > Michael
> > > > >
> > > > > [1] Mine seems to be called: /home/michael/.trinity/Autostart
> > > >
> > > > You're apparently misunderstanding what I'm looking for. I don't
> > > > want this program to Always start when I login, only when it was
> > > > running at the time that I previously logged out. That's why I
> > > > wondered if some sort of DCOP wrapper might be appropriate.
> > > >
> > > > Leslie
> > >
> > > As your editor is not xsession-aware you have to wrap it some shell
> > > script, that just saves the state of x2 in the form of commandline
> > > invocation in a file when it's close due to TDE shutdown. So there is
> > > no invocation of X2 when no X2 was open when TDE closed the session. At
> > > TDE login you execute that file with invocations and be happy. Sure,
> > > you have to manage some stuff like which desktop to put it, window
> > > placement etc. but that's not that complicated.
> > >
> > > Nik
> >
> > Yes, but what to put in that wrapper? That's what my original question
> > was.
>
> Ah, ok. I do not know X2, is it this one?
> http://www.tangbu.com/x2main.shtml If yes, then there is one notable things
> about the application (but correct me if I'm wrong): The X11 application
> "xx" does not set the X11 window title to the filename of the file that's
> edited - which makes it an extremly hostile application and difficult to
> find the filename in a general solution. The terminal application "x" does
> neither, but you can get the filename from the current instance if you
> parse the escape-sequence (<ESC>[H, then some chatter and there comes the
> filename).
>
> Anyway, the geometry of each window and the desktop where it runs on can be
> found like this:
>
> for ID in $(xwininfo -all -root|awk '/"X2 Editor Version 2.08.1"/ {print
> $1}'); do echo $(xprop -id $ID|awk '/_NET_WM_DESKTOP/{print $3}') \
> $(xwininfo -id $ID|awk '/geometry/ {print $2}'| tr -c '[0-9]' ' ') \
> $(/do/some/black/magic/to/get/filename/from/X2)
> done > /some/place/to/store
>
> Example /some/place/to/store:
> 2 484 559 58 0 /tmp/a.txt
> 4 100 100 100 100 /tmp/b.txt
>
> To restore each window you basicly do something like this - nota bene: if
> x2 were a nice application, you would not have to do this trickery to get
> it's window id:
>
> cat /some/place/to/store | while read DESKTOP W H X Y FILE; do
> A=$(xwininfo -all -root|awk '/X2 Editor Version 2.08.1/ {print $1}')
> /path/to/xx $FILE &
> sleep 1
> B=$(xwininfo -all -root|awk '/X2 Editor Version 2.08.1/ {print $1}')
> ID=$(echo $A $B|tr ' ' '\n'|sort|uniq -u)
> xdotool set_desktop_for_window $ID $DESKTOP
> xdotool windowsize $ID $W $H
> xdotool windowmove $ID $X $Y
> done
>
> I hope that get's you started. As I do not know how you use X2 (xx or x
> ...), I cannot give you a hint how to obtain the filename of a window
> instance.
>
> Nik
>
> > Leslie
Okay, I seem to have a working script (attached) that remembers the X
applications I'm concerned with (thank you, Nik); now, how do I tell Trinity
to execute it at shutdown time before it kills said applications?
Leslie
#!/bin/bash
# Extract information for instances of the X2 editor.
#
# NB: X2 programs may be restored to the wrong windows/positions if the
# order of ps output is different from the order of xwininfo output.
#
# Content of ~/activeXapps.info:
# .---------------------------------- Instance
# . .-------------------------------- Desktop
# | | .---------------------------- Width
# | | | .------------------------ Height
# | | | | .-------------------- Left
# | | | | | .---------------- Top
# | | | | | | .-------------- Path to program
# | | | | | | | .-- Arguments for program
# V V V V V V V V
# 0 2 484 559 58 0 path/to/bin switches, path/to/file, etc.
# 1 4 100 100 100 100 path/to/bin switches, path/to/file, etc.
# 2 3 75 200 75 0 path/to/bin switches, path/to/file, etc.
# Clean up in case restoreXapps failed.
if [ -f ~/activeXapps.info ]; then
rm ~/activeXapps.info
fi
# Begin counting instances.
instance=0
# Collect information about X2 instances:
# Get the full name of the program.
X2Bin=$(which xx)
for ID in $(/usr/bin/xwininfo -root -all \
| /usr/bin/grep 'X2 Editor Version 2' \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/cut --delimiter=' ' --field=2)
do
# Get the desktop number:
desktop[$instance]=$(/usr/bin/xprop -id $ID \
| /usr/bin/egrep '^_NET_WM_DESKTOP' \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/cut --delimiter=' ' --field=3)
# Get the window size and position:
geometry[$instance]=$(/usr/bin/xwininfo -id $ID \
| /usr/bin/egrep '^ -geometry' \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/tr 'x+' ' ' \
| /usr/bin/cut --delimiter=' ' --fields=3-)
# Get the program arguments (can't get them from xwininfo):
argList[$instance]=$(/usr/bin/ps aux \
| /usr/bin/grep xx \
| /usr/bin/grep --invert grep \
| /usr/bin/tail --lines=1 \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/cut --delimiter=' ' --fields=12-)
# Write them out:
echo "$instance $desktop[$instance] $geometry[$instance] $X2Bin $argList[$instance]"
# Count this instance:
(( instance += 1 ))
done >> ~/activeXapps.info
# Collect information about xthe instances:
# Get the full name of the program.
xtheBin=$(which xthe)
for ID in $(/usr/bin/xwininfo -root -all \
| /usr/bin/egrep 'THE 3.3' \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/cut --delimiter=' ' --field=2)
do
# Get the desktop number:
desktop[$instance]=$(/usr/bin/xprop -id $ID \
| /usr/bin/egrep '^_NET_WM_DESKTOP' \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/cut --delimiter=' ' --field=3)
# Get the window size and position:
geometry[$instance]=$(/usr/bin/xwininfo -id $ID \
| /usr/bin/egrep '^ -geometry' \
| /usr/bin/tr --squeeze-repeats ' ' \
| /usr/bin/tr 'x+' ' ' \
| /usr/bin/cut --delimiter=' ' --fields=3-)
# Get the program arguments:
argList[$instance]=$(/usr/bin/xwininfo -id $ID \
| /usr/bin/egrep '^xwininfo: ' \
| /usr/bin/cut --delimiter=' ' --field=8-)
# Write them out:
echo "$instance $desktop[$instance] $geometry[$instance] $xtheBin $argList[$instance]"
# Count this instance:
(( instance += 1 ))
done >> ~/activeXapps.info
exit
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