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Top Forums UNIX for Advanced & Expert Users Using other computers for processing Post 302153200 by matrixmadhan on Sunday 23rd of December 2007 11:46:26 PM
Old 12-24-2007
How about using Hadoop ?

I have not been into that completely yet.

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XVisibilityEvent(3X11)						     MIT X11R4						    XVisibilityEvent(3X11)

       XVisibilityNotifyEvent - VisibilityNotify event structure

       The structure for events contains:

       typedef struct {
	 int type;		/* VisibiltyNotify */
	 unsigned long serial;	/* # of last request processed by
				    server */
	 Bool send_event;	/* true if came from a SendEvent
				    request */
	 Display *display;	/* Display the event was read from */
	 Window window;
	 int state;
       } XVisibilityEvent;

       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 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 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 win-
       dow that is most useful to toolkit dispatchers.

       The window member is set to the window whose visibility state changes.  The state member is set to the state of the window's visibility and
       can be or The X server ignores all of a window's subwindows when determining the visibility state of the window and processes events
       according to the following:

       o    When the window changes state from partially obscured, fully obscured, or not viewable to viewable and completely unobscured, the X
	    server generates the event with the state member of the structure set to

       o    When the window changes state from viewable and completely unobscured or not viewable to viewable and partially obscured, the X server
	    generates the event with the state member of the structure set to

       o    When the window changes state from viewable and completely unobscured, viewable and partially obscured, or not viewable to viewable
	    and fully obscured, the X server generates the event with the state member of the structure set to

See Also
       XAnyEvent(3X11), XButtonEvent(3X11), XCreateWindowEvent(3X11), XCirculateEvent(3X11), XCirculateRequestEvent(3X11), XColormapEvent(3X11),
       XConfigureEvent(3X11), XConfigureRequestEvent(3X11), XCrossingEvent(3X11), XDestroyWindowEvent(3X11), XErrorEvent(3X11), XEx-
       poseEvent(3X11), XFocusChangeEvent(3X11), XGraphicsExposeEvent(3X11), XGravityEvent(3X11), XKeymapEvent(3X11), XMapEvent(3X11), XMapRe-
       questEvent(3X11), XPropertyEvent(3X11), XReparentEvent(3X11), XResizeRequestEvent(3X11), XSelectionClearEvent(3X11), XSelectionEvent(3X11),
       XSelectionRequestEvent(3X11), XUnmapEvent(3X11),
       X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys


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