38 Emacs Display

This chapter describes a number of features related to the display that Emacs presents to the user.

• Refresh Screen: Clearing the screen and redrawing everything on it.
• Forcing Redisplay: Forcing redisplay.
• Truncation: Folding or wrapping long text lines.
• The Echo Area: Displaying messages at the bottom of the screen.
• Warnings: Displaying warning messages for the user.
• Invisible Text: Hiding part of the buffer text.
• Selective Display: Hiding part of the buffer text (the old way).
• Temporary Displays: Displays that go away automatically.
• Overlays: Use overlays to highlight parts of the buffer.
• Width: How wide a character or string is on the screen.
• Line Height: Controlling the height of lines.
• Faces: A face defines a graphics style for text characters: font, colors, etc.
• Fringes: Controlling window fringes.
• Scroll Bars: Controlling vertical scroll bars.
• Display Property: Enabling special display features.
• Images: Displaying images in Emacs buffers.
• Buttons: Adding clickable buttons to Emacs buffers.
• Abstract Display: Emacs' Widget for Object Collections.
• Blinking: How Emacs shows the matching open parenthesis.
• Usual Display: The usual conventions for displaying nonprinting chars.
• Display Tables: How to specify other conventions.
• Beeping: Audible signal to the user.
• Window Systems: Which window system is being used.