XAnyEvent man page on Ultrix

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XAnyEvent(3X11)			     X11R5		       XAnyEvent(3X11)

NAME
       XAnyEvent, XEvent - generic X event structures

STRUCTURES
       All the event structures declared in have the following common members:

       typedef struct {
	       int type;
	       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 window;
       } XAnyEvent;

       The type member is set to the event type constant name that uniquely
       identifies it.  For example, when the X server reports a event to a
       client application, it sends an structure with the type member set to
       The display member is set to a pointer to the display the event was
       read on.	 The send_event member is set to if the event came from a pro‐
       tocol 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 structure is a union of the individual structures declared for each
       event type:

       typedef union _XEvent {
	       int type;       /* must not be changed */
	       XAnyEvent xany;
	       XKeyEvent xkey;
	       XButtonEvent xbutton;
	       XMotionEvent xmotion;
	       XCrossingEvent xcrossing;
	       XFocusChangeEvent xfocus;
	       XExposeEvent xexpose;
	       XGraphicsExposeEvent xgraphicsexpose;
	       XNoExposeEvent xnoexpose;
	       XVisibilityEvent xvisibility;
	       XCreateWindowEvent xcreatewindow;
	       XDestroyWindowEvent xdestroywindow;
	       XUnmapEvent xunmap;
	       XMapEvent xmap;
	       XMapRequestEvent xmaprequest;
	       XReparentEvent xreparent;
	       XConfigureEvent xconfigure;
	       XGravityEvent xgravity;
	       XResizeRequestEvent xresizerequest;
	       XConfigureRequestEvent xconfigurerequest;
	       XCirculateEvent xcirculate;
	       XCirculateRequestEvent xcirculaterequest;
	       XPropertyEvent xproperty;
	       XSelectionClearEvent xselectionclear;
	       XSelectionRequestEvent xselectionrequest;
	       XSelectionEvent xselection;
	       XColormapEvent xcolormap;
	       XClientMessageEvent xclient;
	       XMappingEvent xmapping;
	       XErrorEvent xerror;
	       XKeymapEvent xkeymap;
	       long pad[24];
       } XEvent;

       An structure's first entry always is the type member, which is set to
       the event type.	The second member always is the serial number of the
       protocol request that generated the event.  The third member always is
       send_event, which is a that indicates if the event was sent by a dif‐
       ferent client.  The fourth member always is a display, which is the
       display that the event was read from.  Except for keymap events, the
       fifth member always is a window, which has been carefully selected to
       be useful to toolkit dispatchers.  To avoid breaking toolkits, the
       order of these first five entries is not to change.  Most events also
       contain a time member, which is the time at which an event occurred.
       In addition, a pointer to the generic event must be cast before it is
       used to access any other information in the structure.

SEE ALSO
       XButtonEvent(3X11), XCreateWindowEvent(3X11), XCirculateEvent(3X11),
       XCirculateRequestEvent(3X11), XColormapEvent(3X11), XConfig‐
       ureEvent(3X11), XConfigureRequestEvent(3X11), XCrossingEvent(3X11),
       XDestroyWindowEvent(3X11), XErrorEvent(3X11), XExposeEvent(3X11), XFo‐
       cusChangeEvent(3X11), XGraphicsExposeEvent(3X11), XGravityEvent(3X11),
       XKeymapEvent(3X11), XMapEvent(3X11), XMapRequestEvent(3X11), XProper‐
       tyEvent(3X11), XReparentEvent(3X11), XResizeRequestEvent(3X11), XSelec‐
       tionClearEvent(3X11), XSelectionEvent(3X11), XSelectionRe‐
       questEvent(3X11), XUnmapEvent(3X11), XVisibilityEvent(3X11)
       Xlib - C Language X Interface

							       XAnyEvent(3X11)
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