Info Catalog elisp: Window Frame Parameters elisp: Position Parameters

elisp: Basic Parameters

 
 28.4.3.1 Basic Parameters
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 These frame parameters give the most basic information about the frame.
 ‘title’ and ‘name’ are meaningful on all terminals.
 
 ‘display’
      The display on which to open this frame.  It should be a string of
      the form ‘HOST:DPY.SCREEN’, just like the ‘DISPLAY’ environment
      variable.  Multiple Terminals, for more details about
      display names.
 
 ‘display-type’
      This parameter describes the range of possible colors that can be
      used in this frame.  Its value is ‘color’, ‘grayscale’ or ‘mono’.
 
 ‘title’
      If a frame has a non-‘nil’ title, it appears in the window system’s
      title bar at the top of the frame, and also in the mode line of
      windows in that frame if ‘mode-line-frame-identification’ uses ‘%F’
      (%-Constructs).  This is normally the case when Emacs is
      not using a window system, and can only display one frame at a
      time.  Frame Titles.
 
 ‘name’
      The name of the frame.  The frame name serves as a default for the
      frame title, if the ‘title’ parameter is unspecified or ‘nil’.  If
      you don’t specify a name, Emacs sets the frame name automatically
      (Frame Titles).
 
      If you specify the frame name explicitly when you create the frame,
      the name is also used (instead of the name of the Emacs executable)
      when looking up X resources for the frame.
 
 ‘explicit-name’
      If the frame name was specified explicitly when the frame was
      created, this parameter will be that name.  If the frame wasn’t
      explicitly named, this parameter will be ‘nil’.
 

Info Catalog elisp: Window Frame Parameters elisp: Position Parameters