Re: Change Fontsizes Globally

Volker Raum <>
Thu, 11 May 2006 08:58:05 +0200
Michael Dunn schrieb:

"Volker Raum" <> wrote in message news:e3pfo0$ob0$

Hi all,
is there a way to change all fontsizes within a Java Swing Application.

Something like

UIManager.setGlobalFontsize(+3) ; // +3 means that all default fonts are increased in size by 3 ?

needs testing

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.Enumeration;
class Testing extends JFrame
  public Testing()
    JComboBox cbo = new JComboBox(new String[]{"abc","123"});
    JButton btn = new JButton("OK");
    JPanel p = new JPanel();
    getContentPane().add(new JLabel("I'm a label"),BorderLayout.NORTH);
  public void setApplicationFont(float increment)
    Enumeration enumer = UIManager.getDefaults().keys();
      Object key = enumer.nextElement();
      Object value = UIManager.get(key);
      if (value instanceof Font)
        UIManager.put(key, new
  public static void main(String[] args){new Testing().setVisible(true);}

Thanx for the Code. Had the same idea, but there are still problems...
In Trees the height of the rows are not adjusted. Tables do have the same problem.
Although its a good start. thanx for the help.

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