On Mon, 3 Jul 2023 12:41:25 +0300 Riza Dindir <riza.din...@gmail.com> said:
> Hello, > > I thought that it will set the background color, and this will be it. It does. but to do ANYTHING in X as a client you have to connect first, then do your thing (set background) then as you exit as a process you will disconnect (or you can explicitly close the connection too). nothing gets done without connecting first. > I added an xterm in there like so (this is in a file run.sh and I am > running this shell script with (DISPLAY=:1 sh run.sh) > > xsetroot -solid "#006060" > xterm -geometry +20+40 tjhat's serial. xsetroot - connect xsetroot - set bg color xsetroot - disconnect ... xserver reset xterm - connect xterm - create/map window xterm - sit in loop listening to events... > With this the background color turns to a blue then the background > goes black. But the xterm is seen, and if I exit xterm, the session > ends. > > But if I do this (notice the ampersand at the end of the xsetroot line) > > xsetroot -solid "#006060" & > xterm -geometry +20+40 > > the background color stays, and is not changed to black as it is the > case with the above example. race condition. it works by luck there - that x manages to connect before xsetroot disconnects. > Regards, > Riza > > On Mon, Jul 3, 2023 at 11:39 AM Carsten Haitzler <ras...@rasterman.com> wrote: > > > > On Sat, 1 Jul 2023 13:08:54 +0300 Riza Dindir <riza.din...@gmail.com> said: > > > > > Hello All, > > > > > > I want to use Xephyr to test out an x application. > > > > > > For starters I wanted to learn how to use Xephyr. Here is what I did. > > > > > > I started xephyr on display 1 like so (Xephyr :1 -screen 800x600). The > > > window opened where the background is black. Then ran (DISPLAY=:1 > > > xsetroot -solid white) to change the background color. But when I set > > > the background to white, the background does not stay white. It > > > changes to black within 1 second. > > > > > > Is this default behavior? Why can't I set the background color on a > > > Xephyr window? > > > > because xsetroot is the only x client. it connects, sets root window bg > > color to white, then disconnects. now the xserver has zero clients left. it > > resets itself as from it's point of view the session ended. you can either > > ensure another client is always running (almost all the time this is a > > window manager at a minimum) until the session ends, or you can try the > > -noreset option to Xephyr > > > > -- > > ------------- Codito, ergo sum - "I code, therefore I am" -------------- > > Carsten Haitzler - ras...@rasterman.com > > > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- Carsten Haitzler - ras...@rasterman.com
