Java InputContext.getInstance方法代码示例

import java.awt.im.InputContext; //导入方法依赖的package包/类
@Nullable
public static String getCurrentKeyboardLayout() {
  InputContext instance = InputContext.getInstance();
  Class<? extends InputContext> instanceClass = instance.getClass();
  Class<?> superclass = instanceClass.getSuperclass();
  if (superclass.getName().equals("sun.awt.im.InputContext")) {
    try {
      Object inputMethodLocator = ReflectionUtil.getField(superclass, instance, null, "inputMethodLocator");
      Locale locale = ReflectionUtil.getField(inputMethodLocator.getClass(), inputMethodLocator, Locale.class, "locale");
      return locale.getLanguage().toUpperCase(Locale.getDefault());
    }
    catch (Exception ignored) {
    }
  }
  return null;
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
/**
 * @author Redomar
 * @version Alpha 1.8.4
 */
public Game() {
	context = InputContext.getInstance();

	// The game can only be played in one distinct window size
	setMinimumSize(new Dimension(WIDTH * SCALE, HEIGHT * SCALE));
	setMaximumSize(new Dimension(WIDTH * SCALE, HEIGHT * SCALE));
	setPreferredSize(new Dimension(WIDTH * SCALE, HEIGHT * SCALE));

	setFrame(new JFrame(NAME));                                             // Creates the frame with a defined name
	getFrame().setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);              // Exits the program when user closes the frame
	getFrame().setLayout(new BorderLayout());
	getFrame().add(this, BorderLayout.CENTER);                       // Centers the canvas inside the JFrame
	getFrame().pack();                                                      // Sizes the frame so that all its contents are at or above their preferred sizes
	getFrame().setResizable(false);
	getFrame().setLocationRelativeTo(null);                                 // Centres the window on the screen
	getFrame().setVisible(true);

	requestFocus();
	setDevMode(false);
	setClosing(false);
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
/**
 * Gets the input context for this window. A window always has an input context,
 * which is shared by subcomponents unless they create and set their own.
 * @see Component#getInputContext
 * @since 1.2
 */
public InputContext getInputContext() {
    synchronized (inputContextLock) {
        if (inputContext == null) {
            inputContext = InputContext.getInstance();
        }
    }
    return inputContext;
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
public static void main(String args[]) {
    InputContext ic = InputContext.getInstance();

    for (Locale locale : Locale.getAvailableLocales())
        ic.selectInputMethod(locale);

    ic.getLocale();
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
/**
 * Gets the input context for this window. A window always has an input context,
 * which is shared by subcomponents unless they create and set their own.
 * @see Component#getInputContext
 * @since 1.2
 */
public InputContext getInputContext() {
    if (inputContext == null) {
        synchronized (inputContextLock) {
            if (inputContext == null) {
                inputContext = InputContext.getInstance();
            }
        }
    }
    return inputContext;
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
@Override
public InputContext getInputContext() {
    toolkit.lockAWT();
    try {
        if (inputContext == null) {
            inputContext = InputContext.getInstance();
        }
        return inputContext;
    } finally {
        toolkit.unlockAWT();
    }
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
public InputHandler(Game game) {
	InputContext context = InputContext.getInstance();
	// Important to know whether the keyboard is in Azerty or Qwerty.
	// Azerty countries used QZSD instead of WASD keys.
	isAzertyCountry = context.getLocale().getCountry().equals("BE")
			|| context.getLocale().getCountry().equals("FR");
	game.addKeyListener(this);
}
 

import java.awt.im.InputContext; //导入方法依赖的package包/类
/**
 * Returns the input locale for the keyboard.
 *
 * @return the input locale for the keyboard.
 */
public Locale getInputLocale() {
    InputContext ic = InputContext.getInstance();
    Locale l = ic.getLocale();
    return l;
}