Mouse Handling
Normal Mode:
- Left mouse button inserts a new partition line.
- Middle mouse button or shift+left mouse button moves closest partition line by one towards cursor position.
- Right mouse button brings up a context menu.
Zoom Mode:
- Left mouse button zooms in, right mouse button or alt+left mouse button zooms out.
Erase Mode:
- Left mouse button erases partition line.
Move Mode:
- Press and hold left mouse button to move partition line.