LXQt: Window header become unresponsive after changing theme

Describe your issue

What's the expected behaviour?

Changing the Openbox theme without any issues.

What's the current behaviour?

After changing the Openbox theme, the window headers become unresponsive. The window buttons don't work anymore and the windows can't be moved by dragging the window header.

How to reproduce your issue?

On a current postmarketOS LXQt installation go to the Openbox settings and change the theme.

What device are you using?

qemu-amd64

On what postmarketOS version did you encounter the issue?

• edge (master branch)

• v24.06

• I confirm that the issue still is present after running sudo apk upgrade -a

On what environment did you encounter the issue?

Environments

• GNOME Shell on Mobile
• Phosh
• Plasma Mobile
• Sxmo (Wayland/Sway) Please post the output of sxmo_version.sh
• Other: LXQt

How did you get postmarketOS image?

• from https://images.postmarketos.org
• I built it using pmbootstrap
• It was preinstalled on my device

What's the build date of the image? (in yyyy-mm-dd format)

Additional information

Removing the <mouse></mouse> section from ~/.config/openbox/rc.xml restores responsivity of the window headers.

I'm currently investigating the issue at https://github.com/Mikachu/openbox/issues/23.