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java - TicTacToe : text expansion relative to display expansion? 更改监听器？

转载 作者：行者123 更新时间：2023-12-02 07:05:34 26 4
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我为一个项目创建了一个基于 Java 的 tic-tac-toe 游戏。该游戏有一个带有 Jbutton 的 Jframe 显示，可通过事件监听器响应鼠标点击。 GUI 显示可通过拖动边缘来扩展。但是，X 和 O 的文本大小保持固定。我正在尝试查找可以与我的文本关联的事件或更改监听器或类似的代码类型 - 当用户展开和折叠显示框时，根据显示的大小展开和折叠文本大小。

这是我迄今为止完成的代码:

package mytictactoe;

import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.AbstractButton;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;


public class TicTacToeV1 implements ActionListener 
{
    /*Create winning combinations instance variable*/
    private int[][] winCombinations = new int[][] 
   {
            {0, 1, 2}, {3, 4, 5}, {6, 7, 8}, //horizontal wins
            {0, 3, 6}, {1, 4, 7}, {2, 5, 8}, //vertical wins
            {0, 4, 8}, {2, 4, 6}             //diagonal wins
   };//end winCombinations

    //Create the rest of the instance variables
    private String letter = "";
    private JFrame window = new JFrame("Tic-Tac-Toe ");
    private JButton buttons[] = new JButton[9];
    private int count = 0;
    private boolean win = false;


  //Create Window Display
    public TicTacToeV1()
    {
    window.setSize(300,300);
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setLayout(new GridLayout(3,3));

    //MAC OS Specific Translucency Setting
    window.getRootPane().putClientProperty("Window.alpha", new Float(0.95f));


    //Set Window display color
    window.setBackground(Color.YELLOW);

    //Center display on screen
    window.setLocationRelativeTo(null);
    window.setVisible(true);






    //install buttons in window with a mouse click-event listener
    for(int i=0; i<=8; i++){
        buttons[i] = new JButton();
        window.add(buttons[i]);
        buttons[i].addActionListener(this);

    }// End Window Display creation

    //Make Game Window visible
    window.setVisible(true);
}//End TicTacToeV1 Board and Listener




    //Solicit user input


    /**
     When an object is clicked, perform an action.
     @param a action event object
     */
    public void actionPerformed(ActionEvent a) 
    {
        count++;

        //Determine X or O turn
        if(count % 2 == 0)
        {
            letter = "<html><font color = green>O</font></html>";
        }//End O turn 
        else 
        {
            letter = "<html><font color = blue>X</font></html>";
        }//End X turn


        //set font of X & O, when a button has been played, disable button from further use

         Font font = new Font("Times New Roman",Font.BOLD, 50);
         final JButton pressedButton = (JButton)a.getSource();//determine button selected 
         pressedButton.setFont(font);
         pressedButton.setText(letter);

         pressedButton.setEnabled(false);//disable selected buttons from further use  




        pressedButton.addActionListener(new ActionListener() //want expansion/drag listener - not action listener
         {//if display box increasing:  && if display box decreasing...  limit box size expand & shrink
             //button & font relative resizing 
             int size = 50;

             public void actionPerformed(ActionEvent ev)
             {

             pressedButton.setFont(new Font("Times New Roman",Font.BOLD, ++size));

             }    
         }
         );



        //Determine who won
        for(int i=0; i<=7; i++)
        {
            if( buttons[winCombinations[i][0]].getText().equals(buttons[winCombinations[i][1]].getText()) && 
                buttons[winCombinations[i][1]].getText().equals(buttons[winCombinations[i][2]].getText()) && 
                buttons[winCombinations[i][0]].getText() != "")
            { win = true;}
        }//End For loop for win determination



        //Show a dialog when game is over

        if(win == true)
        {
            if(count % 2 == 0)
            {
            char lineWinner = letter.charAt(letter.indexOf("O"));//necessary for lineWinner, which replaces HTML 'letter' variable
            JOptionPane.showMessageDialog(null, lineWinner + " wins the game!");//lineWinner was 'letter'
            System.exit(0);
            }//End O winner
            else
            {
            char lineWinner = letter.charAt(letter.indexOf("X"));//necessary for lineWinner, which replaces HTML 'letter' variable
            JOptionPane.showMessageDialog(null, lineWinner + " wins the game!");//lineWinner was letter
            System.exit(0); 
            }//End X winner
        }//End Win dialog

        //If game is a draw
            else if(count == 9 && win == false)
            {
            JOptionPane.showMessageDialog(null, "The game was tie!");
            System.exit(0);
            }//End Draw dialog        
    }//End ActionPerformed


    public static void main(String[] args)
    {
        DynamicFont re = new DynamicFont();
        re.setVisible(true);

        TicTacToeV1 starter = new TicTacToeV1();
    }//End main, which calls TicTacToeV1 method
}

最佳答案

  • 猜测:您正在使用 null 布局和 setBounds(...) 来定位组件。
  • 解决方案:不要。使用布局管理器，一切都将得到解决。使用容器的 GridLayout(3, 3) 可以很好地容纳 3 x 3 的 JButton 网格，并且允许按钮相对于容器重新调整大小。
  • 如果您想在调整按钮大小时更改文本的字体大小，请考虑向保存文本的 JButton 添加 ComponentListener，并在 componentResized(...) 方法中更改按钮字体大小。您可能需要使用 FontMetrics 类才能使其正常工作。

关于java - TicTacToe : text expansion relative to display expansion? 更改监听器？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/16158256/

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