Re: Change Fontsizes Globally

From:
"Michael Dunn" <m_odunn@yahoo.com>
Newsgroups:
comp.lang.java.gui
Date:
Tue, 9 May 2006 20:25:43 +1000
Message-ID:
<44606e28$1@dnews.tpgi.com.au>
"Volker Raum" <Volker.Raum@heitec.de> wrote in message news:e3pfo0$ob0$1@murphy.mediascape.de...

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()
  {
    setApplicationFont(3.0f);//<-------------------------
    setLocation(300,200);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JComboBox cbo = new JComboBox(new String[]{"abc","123"});
    JButton btn = new JButton("OK");
    JPanel p = new JPanel();
    p.add(btn);
    getContentPane().add(new JLabel("I'm a label"),BorderLayout.NORTH);
    getContentPane().add(cbo,BorderLayout.CENTER);
    getContentPane().add(p,BorderLayout.SOUTH);
    pack();
  }
  public void setApplicationFont(float increment)
  {
    Enumeration enumer = UIManager.getDefaults().keys();
    while(enumer.hasMoreElements())
    {
      Object key = enumer.nextElement();
      Object value = UIManager.get(key);
      if (value instanceof Font)
      {
        UIManager.put(key, new
javax.swing.plaf.FontUIResource(((Font)value).deriveFont(((Font)value).getSize()+increment)));
      }
    }
  }
  public static void main(String[] args){new Testing().setVisible(true);}
}

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