2小时搜索我真的无法找出为什么我的代码不工作后,所以我不知道你能不能帮。
我所希望看到的是“点击”当我按下按钮。我班MouseInput
实现MouseListener
和方法mouseClicked
我的一切是system.out...("clicked");
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferStrategy;
public class App implements Runnable {
private Display display;
private BufferStrategy bs;
private Graphics g;
private int cubeSide = 150;
private String title;
private int height,width;
private boolean running = false;
private Thread thread;
private MouseInput mouseInput;
public App(String title,int width,int height){
this.height=height;
this.width=width;
this.title=title;
display = new Display(title, width, height);
}
void setBufferStrategy(){
if(display.getCanvas().getBufferStrategy()==null){
display.getCanvas().createBufferStrategy(3);
}
bs = display.getCanvas().getBufferStrategy();
}
void init(){
setBufferStrategy();
mouseInput = new MouseInput();
display.getFrame().addMouseListener(mouseInput);
}
public synchronized void start(){
if(running==true)
return;
running=true;
thread = new Thread(this);
thread.start();
}
void render(){
}
@Override
public void run() {
init();
while(running){
render();
}
}
public synchronized void stop(){
}
}
MouseInput代码:
`import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
public class MouseInput implements MouseListener {
@Override
public void mouseClicked(MouseEvent arg0) {
// TODO Auto-generated method stub
System.out.println("Click");
}
@Override
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mouseReleased(MouseEvent arg0) {
// TODO Auto-generated method stub
}
}`
而对于显示器类:
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JFrame;
public class Display {
private JFrame frame;
private Canvas canvas;
private String title;
private int width,height;
public Display(String title,int width,int height){
this.width = width;
this.height=height;
this.title=title;
CreateDisplay();
}
public void CreateDisplay(){
frame = new JFrame(title);
canvas = new Canvas();
frame.setSize(width,height);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.setFocusable(false);
frame.setResizable(false);
frame.setLocationRelativeTo(null);
canvas.setPreferredSize(new Dimension(width,height));
canvas.setMaximumSize(new Dimension(width,height));
canvas.setMinimumSize(new Dimension(width,height));
canvas.setBackground(Color.WHITE);
frame.add(canvas);
frame.pack();
}
public Canvas getCanvas(){
return canvas;
}
public JFrame getFrame(){
return frame;
}
}
我觉得这个问题可以在display.getFrame().addMouseListener(mouseInput)
:我想display.getFrame()
返回扩展java.awt.Component
类的一个实例;根据API reference,addMouseListener
添加指定的鼠标侦听器,接收此组件发出的鼠标事件。
我想你的按钮的事件是不是从你注册的监听器组件的事件:你可以尝试在画布实例,而不是在框架实例注册监听器?可能是该事件起源于画布上,而不是从框架...
首先,你可以使用内嵌鼠标适配器,而不是延长鼠标监听和需要的鼠标代码的单独文件。
第二,如果你想观察点击此按钮,监听器添加到您的按钮。
yourJButton.addMouseListener( new MouseAdapter()
{
@Override
public void mouseClicked( MouseEvent e )
{
{
//do stuff
}
}
});