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XEV(1)                                                                                                XEV(1)



NAME
       xev - print contents of X events

SYNOPSIS
       xev  [-display  displayname]  [-geometry  geom] [-bw pixels] [-bs {NotUseful,WhenMapped,Always}] [-id
       windowid] [-s] [-name string] [-rv]

DESCRIPTION
       Xev creates a window and then asks the X server to send it events whenever anything  happens  to  the
       window  (such  as it being moved, resized, typed in, clicked in, etc.).  You can also attach it to an
       existing window.  It is useful for seeing what causes events to occur and to display the  information
       that  they  contain;  it is essentially a debugging and development tool, and should not be needed in
       normal usage.

OPTIONS
       -display display
               This option specifies the X server to contact.

       -geometry geom
               This option specifies the size and/or location of the window, if a window is to be created.

       -bw pixels
               This option specifies the border width for the window.

       -bs {NotUseful,WhenMapped,Always}
               This option specifies what kind of backing store to give the window.  The default is  NotUse-ful. NotUseful.
               ful.  Backing store refers to the the pixels saved off-screen when the X server maintains the
               contents of a window; NotUseful means that the xev process will redraw its  contents  itself,
               as necessary.

       -id windowid
               This  option specifies that the window with the given id should be monitored, instead of cre-ating creating
               ating a new window.

       -s      This option specifies that save-unders should be enabled on the window. Save unders are simi-lar similar
               lar  to backing store, but they refer rather to the saving of pixels off-screen when the cur-rent current
               rent window obscures other windows. Save unders are only advisory, and are normally  set  for
               popup dialogs and other transient windows.

       -name string
               This option specifies the name to assign to the created window.

       -rv     This option specifies that the window should be in reverse video.

SEE ALSO
       X(7), xwininfo(1), xdpyinfo(1), Xlib Programmers Manual, X Protocol Specification
       See X(7) for a full statement of rights and permissions.

AUTHOR
       Jim Fulton, MIT X Consortium



X Version 11                                      xev 1.0.3                                           XEV(1)