39 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.
• Size of Displayed Text		How large displayed text is.
• 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 scroll bars.
• Window Dividers		Separating windows visually.
• Display Property		Images, margins, text size, etc.
• Images		Displaying images in Emacs buffers.
• Xwidgets		Displaying native widgets in Emacs buffers.
• Buttons		Adding clickable buttons to Emacs buffers.
• Abstract Display		Emacs’s Widget for Object Collections.
• Blinking		How Emacs shows the matching open parenthesis.
• Character Display		How Emacs displays individual characters.
• Beeping		Audible signal to the user.
• Window Systems		Which window system is being used.
• Tooltips		Tooltip display in Emacs.
• Bidirectional Display		Display of bidirectional scripts, such as Arabic and Farsi.