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XGraphicsExposeEvent(3X11)XLIB FUNCTIONXGraphicsExposeEvent(3X11)


NAME
       XGraphicsExposeEvent, XNoExposeEvent - GraphicsExpose and
       NoExpose event structures

STRUCTURES
       The structures for GraphicsExpose and NoExpose events con
       tain:

       typedef struct {
	    int type;		     /* GraphicsExpose */
	    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 */
	    Drawable drawable;
	    int x, y;
	    int width, height;
	    int count;		     /* if nonzero, at least this many more */
	    int major_code;	     /* core is CopyArea or CopyPlane */
	    int minor_code;	     /* not defined in the core */
       } XGraphicsExposeEvent;

       typedef struct {
	    int type;		     /* NoExpose */
	    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 */
	    Drawable drawable;
	    int major_code;	     /* core is CopyArea or CopyPlane */
	    int minor_code;	     /* not defined in the core */
       } XNoExposeEvent;

       When you receive these events, their 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 applica
       tion, 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.

       Both structures have these common members: drawable,
       major_code, and minor_code.  The drawable member is set to
       the drawable of the destination region on which the graph
       ics request was to be performed.	 The major_code member is
       set to the graphics request initiated by the client and
       can be either X_CopyArea or X_CopyPlane.	 If it is
       X_CopyArea, a call to XCopyArea initiated the request.  If



X Version 11		   Release 6.1				1





XGraphicsExposeEvent(3X11)XLIB FUNCTIONXGraphicsExposeEvent(3X11)


       it is X_CopyPlane, a call to XCopyPlane initiated the
       request.	 These constants are defined in &lt;X11/Xproto.h&gt;.
       The minor_code member, like the major_code member, indi
       cates which graphics request was initiated by the client.
       However, the minor_code member is not defined by the core
       X protocol and will be zero in these cases, although it
       may be used by an extension.

       The XGraphicsExposeEvent structure has these additional
       members: x, y, width, height, and count.	 The x and y mem
       bers are set to the coordinates relative to the drawable's
       origin and indicate the upper-left corner of the rectan
       gle.  The width and height members are set to the size
       (extent) of the rectangle.  The count member is set to the
       number of GraphicsExpose events to follow.  If count is
       zero, no more GraphicsExpose events follow for this win
       dow.  However, if count is nonzero, at least that number
       of GraphicsExpose events (and possibly more) are to follow
       for this window.

SEE ALSO
       XAnyEvent(3X11), XButtonEvent(3X11), XCreateWindow
       Event(3X11), XCirculateEvent(3X11), XCircu
       lateRequestEvent(3X11), XColormapEvent(3X11), XConfig
       ureEvent(3X11), XConfigureRequestEvent(3X11), XCopy
       Area(3X11), XCrossingEvent(3X11), XDestroyWindow
       Event(3X11), XErrorEvent(3X11), XExposeEvent(3X11), XFo
       cusChangeEvent(3X11), XGravityEvent(3X11),
       XKeymapEvent(3X11), XMapEvent(3X11), XMapRe
       questEvent(3X11), XPropertyEvent(3X11), XRepar
       entEvent(3X11), XResizeRequestEvent(3X11), XSelection
       ClearEvent(3X11), XSelectionEvent(3X11), XSelectionRe
       questEvent(3X11), XUnmapEvent(3X11), XVisibili
       tyEvent(3X11)
       Xlib - C Language X Interface






















X Version 11		   Release 6.1				2


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