brightside | Add reactivity to the corners and edges of your GNOME desktop | Mehr ...
Brightside provides "edge flipping" to allow you to switch to the adjacent workspace simply by pressing your mouse against the edge of the screen. . Brightside also allows you to assign configurable actions to occur while you rest the mouse in a corner of the screen. Currently available actions comprise: . * Fade out volume * Prevent screensaver starting * Start screensaver and lock screen * Enter DPMS standby mode * Enter DPMS suspend mode * Enter DPMS off mode * Dim laptop backlight * Custom action