A modest defense of the rodent So, Emacs and the mouse. This is an unexpectedly contentious topic, with discussions that end, at best, with careless dismissal. More often they turn into arguments with folks talking past one another. The advantages of using the mouse for common actions in Emacs are immediate and obvious. Window selection is a natural extension of basic mouse usage. Resizing windows is a snap. Context (right-click) menus See context-menu-mode.