On 12/12/2019 21:58, Wolfram Humann via shifter-users wrote: > Hi, > (server: xpra 3.0.3 on RHEL, client: xpra 3.0.3 on Win10) > I have a Java/Swing/Batik based tool that controls some electronic > hardware. When I click on certain components, a popup window should appear > -- but it does not. I noticed that behavior before updating xpra to 3.0.3 > (some 3.0.1 or 3.0.2 versions) and hoped the update might fix it, but it > doesn't. Is this a regression? Did it used to work with older versions like 2.5.x or even 1.x? > The popup does not appear when it should but an icon on the windows taskbar > appears, indicating that there should be a popup. I minimized all windows > to make sure that the popup is not hidden behind one of them. Maybe it got mapped off-screen? I may have seen a bug similar to what you describe.
> The popup appears when I use cygwin/xwin connection to the RHEL workstation > instead of xpra. Can I reproduce the problem myself with an app? This one or even another one? > Any idea? If I can't reproduce the problem, it will be harder to fix. You can try creating a ticket with the client's "-d window" log output of when the window is meant to show up, this may give us a clue.> (as a sidenote, the main-window of the tool sometimes [not always] is just > black when started. This can be fixed by slightly resizing the tool's > window) Sounds like window paint race condition: * turning OpenGL off might fix things, at the cost of performance * "refresh windows" from the tray menu will probably paint it properly * "re-initialize windows" from the tray menu, should fix it too Can I reproduce this problem on my systems somehow? Cheers, Antoine _______________________________________________ shifter-users mailing list shifter-users@lists.devloop.org.uk https://lists.devloop.org.uk/mailman/listinfo/shifter-users
