Manage a mini display using a kwin script.
- Configure the kwin script with your mini display's resolution and position, and return position
- Make the window smaller then the mini display
- Move the window by:
- Openning window's menu and selecting 'Send to Mini'
- Entering the shortcut on the active window (default: Ctrl-Alt-M)
- The window is moved to the mini display and centered
- Minimize window to return it to main display at return position