Created attachment 149735 [details] Bug screenshot SUMMARY KCalc window contents broke after computer monitor automatically go into power saving mode after some minutes STEPS TO REPRODUCE 1. Launch KCalc 2. Make sure your monitor has power saving after some time, not on the "always on" state, you can temporarily set it to one minute to see the result quickly 3. Wait until monitor go into standby mode by OS 4. Wake up the OS by using keyboard/mouse, enter password if necessary to see desktop back 5. KCalc window content now appears weird OBSERVED RESULT Window content looks like, components resized wrongly inside window, but window size and position was not changed. EXPECTED RESULT Window and its contents should look same as it was before monitor standby. SOFTWARE/OS VERSIONS Kernel: 5.15.41-1-MANJARO (64-bit) KDE Plasma Version: 5.24.5 KDE Frameworks Version: 5.94.0 Qt Version: 5.15.4 ADDITIONAL INFORMATION I am using 3840x2160 resolution with display global scale set to 150% in systemsettings display configuration.
Monitor standby can be triggered with this command: xset dpms force off Bug will occur if several seconds are passed after monitor is off, if screen goes black and you turn it on with key or mouse quickly, bug will not occur and monitor turn on quickly.