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 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