Description of problem:
Steps to reproduce:
1. run a gnome+wayland session
2. open devassistant-gui
3. select python, than click on "gtk3" in popup menu
devassistant immediately crashes.
This issue is not present when using CLI or running devassistant-gui inside XWayland (with GDK_BACKEND=x11).
Version-Release number of selected component:
cmdline: /usr/bin/python3 /usr/bin/da-gui
runlevel: N 5
Thread no. 1 (10 frames)
#0 display_handle_error at src/wayland-client.c:716
#1 ffi_call_unix64 at ../src/x86/unix64.S:76
#2 ffi_call at ../src/x86/ffi64.c:525
#3 wl_closure_invoke at src/connection.c:945
#4 dispatch_event at src/wayland-client.c:1173
#5 dispatch_queue at src/wayland-client.c:1341
#6 wl_display_dispatch_queue at src/wayland-client.c:1587
#7 wl_display_roundtrip_queue at src/wayland-client.c:987
#8 gtk_menu_shell_activate_item at gtkmenushell.c:1373
#9 gtk_menu_shell_button_release at gtkmenushell.c:788
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*** Bug 1351586 has been marked as a duplicate of this bug. ***
WAYLAND_DEBUG to the rescue, shows the app gets killed because of a Wayland protocol error:
[528761.079] firstname.lastname@example.org(xdg_shell@13, 2, "destroyed popup not top most popup")
Seems like devassistant-gui is umapping its toplevel window while the popup are still present, causing handle_popup_parent_destroyed() to be reached in mutter which will rightfully send back an error to the client, which kills it...
While this is no problem in X11, xsg-shell on Wayland won't allow that - So I am trying to see if we could avoid that at the gtk+ level, when an app does that, otherwise the fix would belong to the app.
A fix for this has been pushed upstream in gtk+
The crasher is gone, thanks!
Now the window is putting itself into background, which looks pretty weird. The window still has focus, but is not displayed topmost. Instead an inactive (insensitive) window is printed in front of devassistant-gui
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