de.lessvoid.nifty.controls.scrollbar.ScrollbarInputMapping Maven / Gradle / Ivy

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package de.lessvoid.nifty.controls.scrollbar;

import de.lessvoid.nifty.input.NiftyInputMapping;
import de.lessvoid.nifty.input.NiftyStandardInputEvent;
import de.lessvoid.nifty.input.keyboard.KeyboardInputEvent;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class ScrollbarInputMapping implements NiftyInputMapping {
  @Nullable
  @Override
  public NiftyStandardInputEvent convert(@Nonnull final KeyboardInputEvent inputEvent) {
    if (inputEvent.isKeyDown()) {
      if (inputEvent.getKey() == KeyboardInputEvent.KEY_DOWN) {
        return NiftyStandardInputEvent.MoveCursorDown;
      } else if (inputEvent.getKey() == KeyboardInputEvent.KEY_UP) {
        return NiftyStandardInputEvent.MoveCursorUp;
      } else if (inputEvent.getKey() == KeyboardInputEvent.KEY_UP) {
        return NiftyStandardInputEvent.MoveCursorPageDown;
      } else if (inputEvent.getKey() == KeyboardInputEvent.KEY_UP) {
        return NiftyStandardInputEvent.MoveCursorPageUp;
      } else if (inputEvent.getKey() == KeyboardInputEvent.KEY_LEFT) {
        return NiftyStandardInputEvent.MoveCursorLeft;
      } else if (inputEvent.getKey() == KeyboardInputEvent.KEY_RIGHT) {
        return NiftyStandardInputEvent.MoveCursorRight;
      } else if (inputEvent.getKey() == KeyboardInputEvent.KEY_TAB) {
        if (inputEvent.isShiftDown()) {
          return NiftyStandardInputEvent.PrevInputElement;
        } else {
          return NiftyStandardInputEvent.NextInputElement;
        }
      }
    }
    return null;
  }
}