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  implementing window dragging  (Read 889 times)
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Offline emzic

Senior Member





« Posted 2006-08-10 16:47:48 »

hello, in order to beautify my window i set

Frame.setUndecorated(true);

and i draw my own title bar with minimize and maximize buttons.

now how can i implement the dragging the window around on the screen?
i tried to do

Frame.setLocation(Frame.getLocation().x+=deltaX, Frame.getLocation().y+=deltaY);

where delta is the difference of the mouseposition, but unfortunately this results in a flickering of the window back and forth a few pixels.

thanks!

www.embege.com - personal website
webstart blendinspect - OpenGL BlendingModes visualization.
Offline oNyx

JGO Coder


Medals: 2


pixels! :x


« Reply #1 - Posted 2006-08-10 18:55:26 »

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private Rectangle bounds;
private int relx=0,rely=0;

public void mouseDragged(MouseEvent e){
   int nx=bounds.x-relx+e.getX();
   int ny=bounds.y-rely+e.getY();
   f.setLocation(nx,ny);
   bounds=f.getBounds();
}

public void mousePressed(MouseEvent e){
   bounds=f.getBounds();
   relx=e.getX();
   rely=e.getY();
}

弾幕 ☆ @mahonnaiseblog
Offline emzic

Senior Member





« Reply #2 - Posted 2006-08-11 08:58:40 »

thank you very much, that works perfectly!

now i also want the window to be resizable at the borders and corners. how would i do that?

thanks!

www.embege.com - personal website
webstart blendinspect - OpenGL BlendingModes visualization.
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Offline Kova

Senior Member





« Reply #3 - Posted 2006-08-11 12:04:24 »

I guess like moving... you detect mouse pressed on edges and according to drag you set new size and position of Frame
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