https://bugs.kde.org/show_bug.cgi?id=362531
--- Comment #22 from Leslie Zhai <xiangzha...@gmail.com> --- (In reply to Marco Martin from comment #20) > (In reply to Leslie Zhai from comment #18) > > When meets the race situation - KWin has not registered > > _KDE_NET_WM_BACKGROUND_CONTRAST_REGION, my monkey patch still could NOT work > > ;-) > > since you can reproduce and have it built from source... > can you put some debug output in effectwatcher.cpp? > I'm especially interested in EffectWatcher::nativeEventFilter > * if events are catched at all by nativeEventFilter > * if it ever arrives in the branch with the emit > effectChanged(m_effectActive); > * what are the values of m_effectActive and isEffectActive() when (if) the > events arrive my debug.patch https://forum.isoft-linux.org/viewtopic.php?f=4&t=42 and my test way: 1. pkill plasmashell 2. run plasmashell again 3. openbox --replace 4. kwin_x11 --replace result: * EffectWatcher constructor for "_KDE_NET_WM_BACKGROUND_CONTRAST_REGION" atom is often !isNull() * kwin_x11 enabled _KDE_NET_WM_BACKGROUND_CONTRAST_REGION, m_effectActive is true * when switch to openbox wm without supporting (due to it is only for KWin) _KDE_NET_WM_BACKGROUND_CONTRAST_REGION, isEffectActive is false, and m_effectActive became false, then emit effectChanged * when switch back to kwin_x11, isEffectActive is true, and m_effectActive became true, then emit effectChanged so the race condition is just like "openbox --replace" || disabled _KDE_NET_WM_BACKGROUND_CONTRAST_REGION Regards, Leslie Zhai -- You are receiving this mail because: You are watching all bug changes.
