Diseño provisional de la ventana, iremos añadiendo código a lo largo de la semana:
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package unidad4ejercicio10;
import java.awt.Component;
import java.awt.Font;
/**
*
* @author Juan
*/
public class Calculadora extends javax.swing.JFrame {
/**
* Creates new form Calculadora
*/
public Calculadora() {
initComponents();
// this.recorrerBotones();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jTextField1 = new javax.swing.JTextField();
panBotones = new javax.swing.JPanel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton9 = new javax.swing.JButton();
jButton10 = new javax.swing.JButton();
jButton13 = new javax.swing.JButton();
jButton11 = new javax.swing.JButton();
jButton17 = new javax.swing.JButton();
jButton12 = new javax.swing.JButton();
jButton16 = new javax.swing.JButton();
jButton18 = new javax.swing.JButton();
jButton19 = new javax.swing.JButton();
jButton15 = new javax.swing.JButton();
jButton14 = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton20 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setMinimumSize(new java.awt.Dimension(400, 300));
jPanel1.addComponentListener(new java.awt.event.ComponentAdapter() {
public void componentResized(java.awt.event.ComponentEvent evt) {
jPanel1ComponentResized(evt);
}
});
jPanel1.setLayout(new java.awt.BorderLayout());
jTextField1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
jTextField1.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
jTextField1.setText("0");
jPanel1.add(jTextField1, java.awt.BorderLayout.PAGE_START);
panBotones.setLayout(new java.awt.GridLayout(4, 0));
jButton1.setFont(new java.awt.Font("Times New Roman", 3, 12)); // NOI18N
jButton1.setForeground(new java.awt.Color(0, 51, 255));
jButton1.setText("7");
panBotones.add(jButton1);
jButton2.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton2.setForeground(new java.awt.Color(0, 51, 255));
jButton2.setText("8");
panBotones.add(jButton2);
jButton3.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton3.setForeground(new java.awt.Color(0, 51, 255));
jButton3.setText("9");
panBotones.add(jButton3);
jButton5.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton5.setForeground(new java.awt.Color(255, 51, 51));
jButton5.setText("/");
panBotones.add(jButton5);
jButton7.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton7.setForeground(new java.awt.Color(255, 51, 51));
jButton7.setText("C");
panBotones.add(jButton7);
jButton6.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton6.setForeground(new java.awt.Color(0, 51, 255));
jButton6.setText("4");
panBotones.add(jButton6);
jButton9.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton9.setForeground(new java.awt.Color(0, 51, 255));
jButton9.setText("5");
panBotones.add(jButton9);
jButton10.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton10.setForeground(new java.awt.Color(0, 51, 255));
jButton10.setText("6");
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton10ActionPerformed(evt);
}
});
panBotones.add(jButton10);
jButton13.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton13.setForeground(new java.awt.Color(255, 51, 51));
jButton13.setText("*");
panBotones.add(jButton13);
jButton11.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton11.setForeground(new java.awt.Color(255, 51, 51));
jButton11.setText("sqrt");
panBotones.add(jButton11);
jButton17.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton17.setForeground(new java.awt.Color(0, 51, 255));
jButton17.setText("1");
panBotones.add(jButton17);
jButton12.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton12.setForeground(new java.awt.Color(0, 51, 255));
jButton12.setText("2");
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton12ActionPerformed(evt);
}
});
panBotones.add(jButton12);
jButton16.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton16.setForeground(new java.awt.Color(0, 51, 255));
jButton16.setText("3");
panBotones.add(jButton16);
jButton18.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton18.setForeground(new java.awt.Color(255, 51, 51));
jButton18.setText("-");
panBotones.add(jButton18);
jButton19.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton19.setForeground(new java.awt.Color(255, 51, 51));
jButton19.setText("AC");
panBotones.add(jButton19);
jButton15.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton15.setForeground(new java.awt.Color(0, 51, 255));
jButton15.setText("0");
panBotones.add(jButton15);
jButton14.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton14.setForeground(new java.awt.Color(255, 51, 51));
jButton14.setText("+/-");
panBotones.add(jButton14);
jButton8.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton8.setForeground(new java.awt.Color(255, 51, 51));
jButton8.setText(".");
panBotones.add(jButton8);
jButton4.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton4.setForeground(new java.awt.Color(255, 51, 51));
jButton4.setText("+");
panBotones.add(jButton4);
jButton20.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
jButton20.setForeground(new java.awt.Color(255, 51, 51));
jButton20.setText("=");
panBotones.add(jButton20);
jPanel1.add(panBotones, java.awt.BorderLayout.CENTER);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, 300, Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jPanel1ComponentResized(java.awt.event.ComponentEvent evt) {
recorrerBotones();
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/*
* Set the Nimbus look and feel
*/
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/*
* If Nimbus (introduced in Java SE 6) is not available, stay with the
* default look and feel. For details see
* http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Calculadora.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Calculadora.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Calculadora.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Calculadora.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/*
* Create and display the form
*/
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Calculadora().setVisible(true);
}
});
}
void recorrerBotones()
{
Component componentes[]=panBotones.getComponents();
int alto = componentes[0].getHeight()*1/3;
Font fuente = new Font(componentes[0].getFont().getFontName(),componentes[0].getFont().getStyle(),alto);
for (int i = 0; i < componentes.length; i++) {
componentes[i].setFont(fuente);
}
/*
for (Component boton : componentes) {
boton.setFont(fuente);
}
*/
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton13;
private javax.swing.JButton jButton14;
private javax.swing.JButton jButton15;
private javax.swing.JButton jButton16;
private javax.swing.JButton jButton17;
private javax.swing.JButton jButton18;
private javax.swing.JButton jButton19;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton20;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JPanel jPanel1;
private javax.swing.JTextField jTextField1;
private javax.swing.JPanel panBotones;
// End of variables declaration
}
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