我正在尝试在网格布局中使用JLabels实现一个小网格框。 这个想法是,当你点击一个特定的框时,X和Y坐标在控制台窗口上显示。我有这个到目前为止,我相信它几乎在那里,但是当我点击每个框不正确的数字出现在窗口中。例如,当我点击应读取的框(0,0)时,它会给我16,17 ...?任何帮助将是伟大的!谢谢。网格X和Y坐标中的可点击JLabels?
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.*;
public class GridPanel extends JPanel{
private final int HEIGHT = 7;
private final int WIDTH = 12;
private final int TOTAL_BOXES = HEIGHT * WIDTH;
JLabel box[];
public GridPanel()
{
setLayout(new GridLayout(7,12));
box = new JLabel[TOTAL_BOXES];
for (int x = 0;x<box.length;x++){
box[x] = new JLabel("");
box[x].setOpaque(true);
box[x].setPreferredSize(new Dimension(30,30));
box[x].setBackground(Color.white);
box[x].setBorder(BorderFactory.createLineBorder(Color.black));
box[x].addMouseListener(new mListener());
}
for (int x = 0;x<box.length;x++)
add(box[x]);
}
private class mListener implements MouseListener
{
public void mouseClicked(MouseEvent box)
{
int x = box.getX();
int y = box.getY();
System.out.println(x +"," + y);
}
public void mousePressed (MouseEvent e){}
public void mouseExited (MouseEvent e){}
public void mouseReleased (MouseEvent e){}
public void mouseEntered (MouseEvent e){}
}
}