[x11] root window support _NET_WM_WINDOW_OPACITY (!3267) · Merge requests · Plasma / KWin · GitLab

Hongfei Shang requested to merge checkmode/kwin:work/checkmode/java-gui-compatibility into master Dec 03, 2022

java gui will check this property on root window.

see: https://github.com/openjdk/jdk/blob/6b55ef3b58ae405c46f440e06b5adb03cec3a500/src/java.desktop/unix/classes/sun/awt/X11/XNETProtocol.java#L328

Signed-off-by: Hongfei Shang shanghongfei@kylinos.cn