Java Slick: Keyboard Input

Question

I'm doing my own input window with slick, user will need to type something into this. But when I type any letter I get more than one. I assume it depends on CPU, my current bypass is to sleep thread for 100 ms whenever I type. Is there any other way to do this and get only one letter ?

This is my code

    if (input.isKeyDown(Input.KEY_0)) {
        IPInput += "0";
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

I believe you can use isKeyPressed instead? – Max Nov 28 '12 at 18:42 — Max, Nov 28 '12 at 18:42
I just checked and it works. Thanks a lot! – ashur Nov 28 '12 at 18:46 — ashur, Nov 28 '12 at 18:46

score 1 · Accepted Answer · answered Nov 28 '12 at 18:49

1

Based off of my comment....

You can substitute isKeyPressed() in for isKeyDown().

KeyPress - triggered when the user presses a key and releases it (key down and then key up)

KeyDown - triggered when the user presses the key (key down)

answered Nov 28 '12 at 18:49

Max

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score 0 · Answer 2 · answered Dec 28 '13 at 20:27

You can always use keyboard listeners, who has better control over what you are using your keyboard for.

In one of your BasicGameStates you can use:

public class Game extends BasicGameState{

public String answer = "";


    public void keyPressed(int key, char c) {

            if (key == Input.KEY_0) {
                answer += "0";
            }

                super.keyPressed(key, c);
    }

    public void keyReleased(int key, char c) {

            if (key == Input.KEY_0) {
                answer += "0";
            }

                super.keyReleased(key, c);
    }
}

The keyPressed response is when the key gets PRESSED rather than the other which reacts when the key is RELEASED.

Java Slick: Keyboard Input

2 Answers2