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  LWJGL and File Choosers  (Read 2257 times)
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Offline Z-Man
« Posted 2013-03-05 22:43:19 »

I recently ported my measly game to LWJGL for performance reasons and discovered that (on windows at least) the JFileChooser I was using in the built in map editor didn't like to grab focus from the main LWJGL window. After some googling and I couldn't find a solution and decided to just mess with it a little. The solution I found to work for me is to simply create an invisible frame to steal focus from the LWJGL window and then display the file chooser. I thought I'd share my solution as I had trouble finding one on my own. If anyone else has a more elegant solution please let me know Smiley

The code is fairly simple but here it is for the noobs.
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Frame frame = new Frame();
frame.setUndecorated(true);
frame.setOpacity(0);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
frame.toFront();
frame.setVisible(false);
frame.dispose();

// File chooser stuff here
Offline Cero
« Reply #1 - Posted 2013-03-06 01:46:59 »

JFileChooser.requestFocus() doesnt do it ?

Offline Z-Man
« Reply #2 - Posted 2013-03-06 23:49:36 »

Nope. When I was trying to figure this out neither calling requestFocus() or requestFocusInWindow() caused the JFileChooser to come to the front.
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