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       XSelectionEvent - SelectionNotify event structure


       The structure for SelectionNotify events contains:

       typedef struct {
               int type;       /* SelectionNotify */
               unsigned long serial;   /* # of last request processed by server */
               Bool send_event;        /* true if this came from a SendEvent request */
               Display *display;       /* Display the event was read from */
               Window requestor;
               Atom selection;
               Atom target;
               Atom property;  /* atom or None */
               Time time;
       } XSelectionEvent;

       When you receive this event, the structure members are set as follows.

       The  type  member is set to the event type constant name that uniquely identifies it.  For
       example, when the X server reports a GraphicsExpose event  to  a  client  application,  it
       sends  an  XGraphicsExposeEvent structure with the type member set to GraphicsExpose.  The
       display member is set to a pointer to the display the event was read on.   The  send_event
       member  is  set  to  True if the event came from a SendEvent protocol request.  The serial
       member is set from the serial number reported in the protocol but expanded from the 16-bit
       least-significant  bits  to  a  full 32-bit value.  The window member is set to the window
       that is most useful to toolkit dispatchers.

       The requestor member is set to the window associated with the requestor of the  selection.
       The  selection  member  is  set  to  the  atom that indicates the selection.  For example,
       PRIMARY is used for the primary selection.  The target member is  set  to  the  atom  that
       indicates  the  converted  type.   For example, PIXMAP is used for a pixmap.  The property
       member is set to the atom that indicates which property the result was stored on.  If  the
       conversion failed, the property member is set to None.  The time member is set to the time
       the conversion took place and can be a timestamp or CurrentTime.


       XAnyEvent(3),      XButtonEvent(3),       XCreateWindowEvent(3),       XCirculateEvent(3),
       XCirculateRequestEvent(3),              XColormapEvent(3),             XConfigureEvent(3),
       XConfigureRequestEvent(3),  XCrossingEvent(3),   XDestroyWindowEvent(3),   XErrorEvent(3),
       XExposeEvent(3),    XFocusChangeEvent(3),    XGraphicsExposeEvent(3),    XGravityEvent(3),
       XKeymapEvent(3), XMapEvent(3), XMapRequestEvent(3), XPropertyEvent(3),  XReparentEvent(3),
       XResizeRequestEvent(3),         XSelectionClearEvent(3),        XSelectionRequestEvent(3),
       XUnmapEvent(3), XVisibilityEvent(3)
       Xlib - C Language X Interface