SUMMARY As a follow-up to bug 466448, the behavior of the mouseclick forwarding seems to be tied to key presses which is not the intended behavior. In order to get full forwarding support key clicks have to be set to "Always" for mouseclicks to reliably work, which opens up security issues. STEPS TO REPRODUCE 1. Go to legacy X11 app support settings 2. Set the keystrokes setting to Never/Modifier-only/Modifier + keys only 3. Check the include mouse buttons checkbox 4. Click a mouse button OBSERVED RESULT Mouse buttons are not forwarded to X11 apps EXPECTED RESULT Mouse buttons are forwarded to X11 apps SOFTWARE/OS VERSIONS Linux/KDE Plasma: Archlinux (available in About System) KDE Plasma Version: 6.1.0 KDE Frameworks Version: 6.3.0 Qt Version: 6.7.1 ADDITIONAL INFORMATION When set to "Never" or "Modifier + keys" settings, no key presses are ever sent. However, if the "Meta"-only option is set then keys are sent when a modifier key is held down. Ideally mouse keys being sent should be completely independent of keyboard keys.
Can you confirm how you're testing?
I'm testing with Discord, with a mouse button (MOUSE4) bound to push-to-talk.
Sorry, I meant MOUSE9. It's one of the side buttons on my mouse.
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Adding the x11-only keyword
I'm not sure that keyword is correct. This bug is for forwarding buttons when using Wayland.