我想調整我的JFrame佈局管理器(實際上是邊框佈局)什麼是Java可調整大小的佈局管理器?
所以我用setPreferredSize但沒有任何反應?有些人告訴我要使用另一個佈局管理器,那麼我應該使用什麼佈局管理器來擴展我的一個面板的大小? 謝謝! 我的代碼:
import java.awt.Container;
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.SwingUtilities;
import javax.swing.BoxLayout;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.Graphics;
public class OptimiserMonWifi extends JFrame implements MouseListener {
private JPanel panel;
private JPanel panel2;
private JButton bouton1;
private JButton bouton2;
private JButton bouton3;
private JButton bouton4;
private JCheckBox check1;
private JCheckBox check2;
public OptimiserMonWifi()
{
super("Optimiser Mon Wifi");
//this.setLayout(new CardLayout());
this.setLayout(new BorderLayout());
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
this.bouton1 = new JButton("Afficher");
this.bouton2 = new JButton("Réinitialiser");
this.bouton3 = new JButton("Précédent");
this.bouton4 = new JButton("Suivant");
this.check1 = new JCheckBox("Emission");
this.check2 = new JCheckBox("Coordonnées");
this.panel = new JPanel();
//panel.setLayout(new GridLayout(4,2));
panel.setLayout(new BoxLayout(panel, BoxLayout.LINE_AXIS));
panel.setBackground(Color.blue);
this.panel2 = new JPanel();
panel2.setBackground(Color.red);
setPreferredSize(new Dimension(1000,500));
panel2.setPreferredSize(new Dimension(1000,500));
panel2.addMouseListener(this);
this.panel.add(bouton1);
this.panel.add(bouton2);
this.check1.addActionListener(new StateListener());
this.check2.addActionListener(new StateListener());
this.panel.add(check1);
this.panel.add(check2);
this.panel.add(bouton3);
this.panel.add(bouton4);
/*this.getContentPane().add(panel, BorderLayout.NORTH);
this.getContentPane().add(panel2, BorderLayout.CENTER);*/
/*this.getContentPane().add(panel, BUTTONPANNEL);
this.getContentPane().add(panel2, TEXTPANNEL);*/
this.pack();
this.setVisible(true);
}
public void mouseClicked(MouseEvent e) {
int x=e.getX();
int y=e.getY();
System.out.println("x : "+x+" ; y : "+y);//these co-ords are relative to the component
}
//Méthode appelée lors du survol de la souris
public void mouseEntered(MouseEvent event) { }
//Méthode appelée lorsque la souris sort de la zone du bouton
public void mouseExited(MouseEvent event) { }
//Méthode appelée lorsque l'on presse le bouton gauche de la souris
public void mousePressed(MouseEvent event) { }
//Méthode appelée lorsque l'on relâche le clic de souris
public void mouseReleased(MouseEvent event) { }
class StateListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
System.out.println("source : " + ((JCheckBox)e.getSource()).getText() + " - état : " + ((JCheckBox)e.getSource()).isSelected());
}
}
public static void main(String[] args)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
new OptimiserMonWifi();
}
});
}
}
如果你想面板比父容器大,那麼你需要使用'JScrollPane' – MadProgrammer
我不希望我的面板比我的父容器大?爲什麼?它實際上是我的代碼試圖做什麼? (如果是的話,我不知道?) –
好的,你有沒有嘗試過使用'GridBagLayout'?它會尊重你的組件的首選大小 – MadProgrammer