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X11R7.4 - man page for xev (x11r4 section 1)

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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,When-
       Mapped,Always}] [-id windowid] [-s] [-name string] [-rv]

DESCRIPTION
       Xev creates a window and then asks the X server to send it events whenever  anything  hap-
       pens 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 devel-
       opment 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 NotUseful. 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 creating a new window.

       -s      This  option  specifies	that  save-unders  should  be enabled on the window. Save
	       unders are similar to backing store, but they refer rather to the saving of pixels
	       off-screen  when  the  current 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)
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