Bug: Having disabled the "handle brightness keys" setting in power manager settings, I added shortcuts to handle brightness keys using the "light" package from AUR: light -A 5 | XF86MonBrightnessUp light -U 5 | XF86MonBrightnessDown Running the command xfce4-power-manager --no-daemon --debug shows that the power manager does not register that it has grabbed the keys, yet they do not reach the shortcuts manager and do not run my custom shortcuts to change brightness. Workaround: if power manager is quit then restarted using xfce4-power-manager -q then running the desktop app, then the brightness keys are no longer grabbed. If any changes are made to my power manager menu settings, they cause the power manager to start grabbing the keys again until I quit and restart as above. Happy to provide any logs or debug outputs on request.
I'm running into the same issue. The workaround is not that useful because it reverts on reboot. Except...I noticed something: I have shortcuts set for XF86MonBrightnessDown and XF86MonBrightnessUp in my keyboard settings, and sometimes after reboot one or the other of these shortcuts works, while the other is stolen by xfce4-power-manager. For example, right now the state is: * "Handle display brightness keys" is unchecked in xfce4-power-manager * XF86MonBrightness{Up,Down} have application shortcuts to a tool to raise/lower the backlight by 3% * When I press XF86MonBrightnessUp, the backlight is raised (so xfce4-power-manager isn't catching this key) * When I press XF86MonBrightnessDown, the backlight remains unchanged but the little overlay showing the current backlight level is shown (so xfce4-power-manager is catching this key). Sometimes xfce4-power-manager catches the other key, or both. This makes me think that there's some kind of race to register the hotkeys.
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