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  JScrollPane Question...  (Read 958 times)
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Offline THEOWL

Senior Newbie




Java games rock!


« Posted 2005-04-12 16:06:45 »

Is there a way to use the Keyboard to scroll a JScrollPane? I can't figure out what the JScrollPane scroll methods are so that I can re-define them.

Thanks for any help.
Offline weston

Junior Devvie





« Reply #1 - Posted 2005-04-12 23:14:10 »

add a keylistener to the component that will have focus while you want key scrolling to occur (probably the JScrollPane's "view" component). On up/down or left/right keypresses, you can alter the Horizontal/Vertical scrollbar positions. There are methods from retrieving the scrollbars in JScrollPane and methods in ScrollBar (I think thats the name of the class) for setting the position.

for(int i = 1; i > 0; i++)
{
System.out.println(i+" cups of java downed");
}
Offline THEOWL

Senior Newbie




Java games rock!


« Reply #2 - Posted 2005-04-13 12:11:41 »

Thanks for the tip. That is actually what I am trying to do, but the problem is that i can't figure out how to implement it. I know hod to do set up listeners for the keyboard, but I can't fiugre out how to manipulate the scrollbar positions.
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Offline THEOWL

Senior Newbie




Java games rock!


« Reply #3 - Posted 2005-04-18 12:41:02 »

Is there a way to directly control a JScrollPane? So if you want the pane to automatically show the bottom right is there a way to set the scroll to 80%x and 80%y?
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