panel and buttons not working in xfce4-screensaver after "suspend when laptop lid is closed"

Submitted by Michael

Assigned to Sean Davis @bluesabre

Link to original bug (#16081)

Description

Steps to reproduce:

xfce4-screensaver settings: screensaver is deactivated, but lock screen is activated with system sleep. xfce power manager settings: when lid is closed: suspend on battery and when plugged in.

After coming back (opening the lid) xfce4 screensaver doesn't show panel (in xubuntu panel is very slim at the top (maybe 4px), in Arch panel shows up at the bottom; in both systems without showing information or icons). Buttons ("switch user", "cancel", "unlock") are not working. However, after waiting a certain time the panel shows up with icons and info (buttons are still not working).

Logging in works without problems by typing in the password and hitting the Enter key. Problem only occurs when the system goes to sleep.

Version information (tested on):

Xubuntu 19.10 and Arch Linux with Adwaita-dark, Greybird and a custom theme xfce 4.14

Version: 0.1.8