如果我的問題聽起來很愚蠢,我很抱歉,我還是Java新手。我要告訴你這段代碼:如何添加一個mouselistener在JFrame的其他事物之下?
public class Window extends JFrame{
private static final long serialVersionUID = -2139430787087799923L;
private TransparentJPanel mousepanel;
public Window(int width, int height, String title, Game game) {
super(title);
HandlerClass handler = new HandlerClass();
mousepanel = new TransparentJPanel();
mousepanel.addMouseListener(handler);
setPreferredSize(new Dimension(width,height));
setMaximumSize(new Dimension(width,height));
setMinimumSize(new Dimension(width,height));
setDefaultCloseOperation(EXIT_ON_CLOSE);
setResizable(false);
setVisible(true);
add(game); <-- here I add the game
add(mousepanel); <-- here I add the panel with the mouselistener
game.start();
}
}
的TransparentJPanel類:
private class TransparentJPanel extends JPanel {
private static final long serialVersionUID = 8855609189172945035L;
TransparentJPanel() {
super() ;
this.setOpaque(false) ;
this.setLayout(null) ;
}
}
當我第一次加入遊戲,遊戲顯示了和鼠標偵聽器不工作,但當我首先添加jpanel時,遊戲不會顯示,但是mouselistener起作用。 這裏是我的HandlerClass類:
private class HandlerClass implements MouseListener {
public void mouseClicked(MouseEvent event) {
System.out.println(String.format("Clicked at %d,%d", event.getX(), event.getY()));
}
public void mouseEntered(MouseEvent e) {
int x = e.getX();
int y = e.getY();
System.out.println("Mouse Entered frame at X: " + x + " - Y: " + y);
}
public void mouseExited(MouseEvent e) {
int x = e.getX();
int y = e.getY();
System.out.println("Mouse Exited frame at X: " + x + " - Y: " + y);
}
public void mousePressed(MouseEvent e) {
int x = e.getX();
int y = e.getY();
System.out.println("Mouse Pressed frame at X: " + x + " - Y: " + y);
}
public void mouseReleased(MouseEvent e) {
int x = e.getX();
int y = e.getY();
System.out.println("Mouse Released at X: " + x + " - Y: " + y);
}
}
所以,這是我的問題。 請幫忙。
是'遊戲'一個JPanel類嗎? –
號遊戲是遊戲循環等可運行的類下面是Game.java的全碼:https://pastebin.com/cpsMSMxY –
'JFrame'使用'默認情況下,只允許單個組件BorderLayout'一次顯示在5個可用位置之一。你有什麼理由需要分開面板嗎?讓遊戲面板充當「MouseListener」是否更合乎邏輯? – MadProgrammer