Swing中的Java-mouseMoved()事件处理
我想在我的JFrame中听鼠标移动和点击。为此,我添加了如下实现的MouseListener:(视图类的整个代码位于,Board类位于)Swing中的Java-mouseMoved()事件处理,java,swing,event-handling,mouseevent,mouse-listeners,Java,Swing,Event Handling,Mouseevent,Mouse Listeners,我想在我的JFrame中听鼠标移动和点击。为此,我添加了如下实现的MouseListener:(视图类的整个代码位于,Board类位于) 有趣的是mousePressed()工作正常,但其他两个工作不正常(移动鼠标时控制台上没有显示任何内容)。谁能告诉我我做错了什么?提前谢谢 如果您想接收mousemoded和mouseDragged事件,您还需要将侦听器注册为 也许你应该尝试实现MouseMotionListener和MouseListener,以便更快地获得更好的帮助,请在此处发布。没有更好
有趣的是mousePressed()工作正常,但其他两个工作不正常(移动鼠标时控制台上没有显示任何内容)。谁能告诉我我做错了什么?提前谢谢 如果您想接收
mousemoded
和mouseDragged
事件,您还需要将侦听器注册为
也许你应该尝试实现
MouseMotionListener
和MouseListener,以便更快地获得更好的帮助,请在此处发布。没有更好的帖子,SSCCE没有链接到universum的某个地方,这是关于未来读者的,感谢有趣的链接。在我看来,工作示例太长了,我已经在顶部的链接中发布了完整的代码。一个制作良好的工作示例实际上会很短。对于简单的问题,你可能不需要这个,但对于复杂的问题,我们自己可能需要做一些事情来帮助解决,所以最好你为我们做。祝你好运。好吧,下次我会记住的。成功了!下次我应该更仔细地阅读文档。不过,非常感谢!我已经试过了,这是一样的,因为MouseAdapter同时实现了MouseMotionListener和MouseListener。解决方案已在顶部。;-)
class BattleshipsFrame extends JFrame {
private final Board playerBoard, opponentBoard;
private View view;
/** Main window constructor. */
BattleshipsFrame() {
...
...
...
//creating and displaying boards
playerBoard = new Board();
opponentBoard = new Board();
PlayerBoardListener mouseListener = new PlayerBoardListener();
this.addMouseListener(mouseListener);
playerBoard.addMouseListener(mouseListener);
opponentBoard.addMouseListener(new OpponentBoardListener());
boards.add(playerBoard);
boards.add(opponentBoard);
...
...
...
}
/** Listener responsible for handling mouse events on player board */
private class PlayerBoardListener extends MouseAdapter {
@Override public void mousePressed(MouseEvent event) {
try {
if(event.getButton() == MouseEvent.BUTTON1 && controllerConnection != null)
controllerConnection.sendShipPlacedEvent(event.getX()/40, event.getY()/40, ShipType.EMPTY);
} catch(Exception e) {
e.printStackTrace();
}
}
@Override public void mouseMoved(MouseEvent event) {
//TODO
System.out.println("Mouse movement detected! Actual mouse position is: " + event.getX()+ "," + event.getY() + ".");
}
@Override public void mouseDragged(MouseEvent event) {
//TODO
System.out.println("Mouse movement detected! Actual mouse position is: " + event.getX()+ "," + event.getY() + ".");
}
}
MouseAdapter adapter = ...
JFrame frame = ...
frame.addMouseListener(adapter);
frame.addMouseMotionListener(adapter);