F.2.2 Frame Variables

ns-use-proxy-icon

This variable specifies whether to display the proxy icon in the titlebar. The proxy icon can be used to drag the file associated with the current buffer to other applications, a printer, the desktop, etc., in the same way you can from Finder. You might have to disable tool-bar-mode to see the proxy icon.

ns-confirm-quit

This variable specifies whether to display a graphical confirmation dialog on quitting.

ns-auto-hide-menu-bar

This variable specifies whether the macOS menu bar is hidden when an Emacs frame is selected. If non-nil the menu bar is not shown unless the mouse pointer is moved near to the top of the screen.

ns-use-native-fullscreen

This variable controls whether to use native, or non-native fullscreen. Native fullscreen is only available on macOS 10.7 and above.