Created attachment 129028 [details] A sample on how it should look like. SUMMARY Add an option to change the position of the titlebar from top of the window to the right or left. Similar to awesome WM. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Custom titlebar positioning must be implemented by the decoration theme. The KDecoration2 library doesn't require the titlebar to be positioned at the top of the window.