Sync
This commit is contained in:
Ingy döt Net
parent
6f050a029e
commit
776bba907c
3887 changed files with 59894 additions and 7280 deletions
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import java.awt.GridLayout;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JTextField;
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public class Interact extends JFrame{
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final JTextField numberField;
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final JButton incButton, randButton;
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public Interact(){
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//stop the GUI threads when the user hits the X button
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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numberField = new JTextField();
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incButton = new JButton("Increment");
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randButton = new JButton("Random");
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numberField.setText("0");//start at 0
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//listen for button presses in the text field
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numberField.addKeyListener(new KeyListener(){
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@Override
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public void keyTyped(KeyEvent e) {
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//if the entered character is not a digit
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if(!Character.isDigit(e.getKeyChar())){
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//eat the event (i.e. stop it from being processed)
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e.consume();
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}
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}
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@Override
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public void keyReleased(KeyEvent e){}
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@Override
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public void keyPressed(KeyEvent e){}
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});
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//listen for button clicks on the increment button
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incButton.addActionListener(new ActionListener(){
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@Override
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public void actionPerformed(ActionEvent e) {
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String text = numberField.getText();
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if(text.isEmpty()){
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numberField.setText("1");
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}else{
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numberField.setText((Long.valueOf(text) + 1) + "");
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}
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}
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});
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//listen for button clicks on the random button
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randButton.addActionListener(new ActionListener(){
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@Override
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public void actionPerformed(ActionEvent e) {
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//show a dialog and if they answer "Yes"
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if(JOptionPane.showConfirmDialog(null, "Are you sure?") ==
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JOptionPane.YES_OPTION){
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//set the text field text to a random positive long
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numberField.setText(Long.toString((long)(Math.random()
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* Long.MAX_VALUE)));
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}
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}
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});
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//arrange the components in a grid with 2 rows and 1 column
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setLayout(new GridLayout(2, 1));
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//a secondary panel for arranging both buttons in one grid space in the window
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JPanel buttonPanel = new JPanel();
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//the buttons are in a grid with 1 row and 2 columns
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buttonPanel.setLayout(new GridLayout(1, 2));
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//add the buttons
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buttonPanel.add(incButton);
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buttonPanel.add(randButton);
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//put the number field on top of the buttons
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add(numberField);
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add(buttonPanel);
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//size the window appropriately
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pack();
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}
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public static void main(String[] args){
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new Interact().setVisible(true);
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}
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}
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@ -0,0 +1,29 @@
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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public interface FunctionalKeyListener extends KeyListener {
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@Override
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public default void keyPressed(KeyEvent event) {}
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@Override
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public default void keyTyped(KeyEvent event) {}
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@Override
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public default void keyReleased(KeyEvent event) {}
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@FunctionalInterface
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public static interface Pressed extends FunctionalKeyListener {
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@Override
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public void keyPressed(KeyEvent event);
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}
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@FunctionalInterface
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public static interface Typed extends FunctionalKeyListener {
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@Override
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public void keyTyped(KeyEvent event);
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}
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@FunctionalInterface
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public static interface Released extends FunctionalKeyListener {
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@Override
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public void keyReleased(KeyEvent event);
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}
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}
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@ -0,0 +1,191 @@
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import java.awt.GridLayout;
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import java.awt.event.ActionEvent;
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import java.awt.event.KeyEvent;
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import java.util.function.Consumer;
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import java.util.function.Predicate;
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import java.util.stream.Stream;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JTextField;
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public interface Interact {
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public static final JFrame FRAME = new JFrame();
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public static final JTextField FIELD = new JTextField();
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public static final JPanel PANEL = new JPanel();
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public static void setDefaultCloseOperation(JFrame frame) {
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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public static void setText(JTextField field) {
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field.setText("0");
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}
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public static void setEditable(JTextField field) {
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field.setEditable(false);
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}
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public static boolean isDigitKeyChar(KeyEvent event) {
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return !Character.isDigit(event.getKeyChar());
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}
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public static void keyTyped(KeyEvent event) {
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Stream.of(event)
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.parallel()
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.filter(Interact::isDigitKeyChar)
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.forEach(KeyEvent::consume)
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;
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}
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public static void addKeyListener(JTextField field) {
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field.addKeyListener((FunctionalKeyListener.Typed) Interact::keyTyped);
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}
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public static String mapText(String text) {
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return text.isEmpty()
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? "1"
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: String.valueOf(Long.valueOf(text) + 1)
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;
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}
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public static void actionPerformedOnIncrementButton(ActionEvent event) {
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Stream.of(FIELD)
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.parallel()
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.map(JTextField::getText)
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.map(Interact::mapText)
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.forEach(FIELD::setText)
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;
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}
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public static void addActionListenerToIncrementButton(JButton button) {
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button.addActionListener(Interact::actionPerformedOnIncrementButton);
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}
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public static void addIncrementButton(JPanel panel) {
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Stream.of("Increment")
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.parallel()
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.map(JButton::new)
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.peek(Interact::addActionListenerToIncrementButton)
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.forEach(panel::add)
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;
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}
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public static int showConfirmDialog(String question) {
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return JOptionPane.showConfirmDialog(null, question);
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}
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public static void setFieldText(int integer) {
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FIELD.setText(
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String.valueOf(
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(long) (Math.random() * Long.MAX_VALUE))
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)
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;
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}
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public static void actionPerformedOnRandomButton(ActionEvent event) {
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Stream.of("Are you sure?")
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.parallel()
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.map(Interact::showConfirmDialog)
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.filter(Predicate.isEqual(JOptionPane.YES_OPTION))
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.forEach(Interact::setFieldText)
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;
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}
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public static void addActionListenerToRandomButton(JButton button) {
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button.addActionListener(Interact::actionPerformedOnRandomButton);
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}
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public static void addRandomButton(JPanel panel) {
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Stream.of("Random")
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.parallel()
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.map(JButton::new)
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.peek(Interact::addActionListenerToRandomButton)
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.forEach(panel::add)
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;
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}
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public static void acceptField(Consumer<JTextField> consumer) {
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consumer.accept(FIELD);
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}
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public static void prepareField(JTextField field) {
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Stream.<Consumer<JTextField>>of(
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Interact::setEditable,
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Interact::setText,
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Interact::addKeyListener
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)
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.parallel()
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.forEach(Interact::acceptField)
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;
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}
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public static void addField(JFrame frame) {
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Stream.of(FIELD)
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.parallel()
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.peek(Interact::prepareField)
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.forEach(frame::add)
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;
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}
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public static void acceptPanel(Consumer<JPanel> consumer) {
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consumer.accept(PANEL);
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}
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public static void processPanel(JPanel panel) {
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Stream.<Consumer<JPanel>>of(
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Interact::setLayout,
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Interact::addIncrementButton,
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Interact::addRandomButton
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)
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.parallel()
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.forEach(Interact::acceptPanel)
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;
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}
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public static void addPanel(JFrame frame) {
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Stream.of(PANEL)
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.parallel()
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.peek(Interact::processPanel)
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.forEach(frame::add)
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;
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}
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public static void setLayout(JFrame frame) {
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frame.setLayout(new GridLayout(2, 1));
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}
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public static void setLayout(JPanel panel) {
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panel.setLayout(new GridLayout(1, 2));
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}
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public static void setVisible(JFrame frame) {
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frame.setVisible(true);
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}
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public static void acceptFrame(Consumer<JFrame> consumer) {
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consumer.accept(FRAME);
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}
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public static void processField(JFrame frame) {
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Stream.<Consumer<JFrame>>of(
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Interact::setDefaultCloseOperation,
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Interact::setLayout,
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Interact::addField,
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Interact::addPanel,
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Interact::setVisible
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)
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.parallel()
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.forEach(Interact::acceptFrame)
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;
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}
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public static void main(String... arguments) {
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Stream.of(FRAME)
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.parallel()
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.peek(Interact::processField)
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.forEach(JFrame::pack)
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;
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}
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}
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@ -0,0 +1,68 @@
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import
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gtk2, gdk2, glib2, strutils, math
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var valu: int = 0
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var chngd_txt_hndler: gulong = 0
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proc thisDestroy(widget: pWidget, data: pgpointer) {.cdecl.} =
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main_quit()
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randomize()
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nimrod_init()
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var win = window_new(gtk2.WINDOW_TOPLEVEL)
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var content = vbox_new(TRUE,10)
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var hbox1 = hbox_new(TRUE,10)
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var hbox2 = hbox_new(FALSE,1)
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var lbl = label_new("Value:")
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var entry_fld = entry_new()
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entry_fld.set_text("0")
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var btn_quit = button_new("Quit")
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var btn_inc = button_new("Increment")
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var btn_rnd = button_new("Random")
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add(hbox2,lbl)
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add(hbox2,entry_fld)
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add(hbox1,btn_inc)
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add(hbox1,btn_rnd)
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pack_start(content, hbox2, TRUE, TRUE, 0)
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pack_start(content, hbox1, TRUE, TRUE, 0)
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pack_start(content, btn_quit, TRUE, TRUE, 0)
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set_border_width(Win, 5)
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add(win, content)
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proc on_question_clicked: Bool =
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var dialog = win.message_dialog_new(0, MESSAGE_QUESTION,
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BUTTONS_YES_NO, "Use a Random number?")
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var response = dialog.run()
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if response == RESPONSE_YES:
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result = True
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elif response == RESPONSE_NO:
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result = False
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dialog.destroy()
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proc thisInc(widget: pWidget, data: pgpointer){.cdecl.} =
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inc(valu)
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entry_fld.set_text($valu)
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proc thisRnd(widget: pWidget, data: pgpointer){.cdecl.} =
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if on_question_clicked():
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valu = random(20)
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entry_fld.set_text($valu)
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proc thisTextChanged(widget: pWidget, data: pgpointer) {.cdecl.} =
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#signal_handler_block(entry_fld, chngd_txt_hndler)
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try:
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valu = parseInt($entry_fld.get_text())
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except EInvalidValue:
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valu = 0
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entry_fld.set_text($valu)
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#signal_handler_unblock(entry_fld, chngd_txt_hndler)
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#signal_emit_stop(entry_fld, signal_lookup("changed",TYPE_EDITABLE()),0)
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discard signal_connect(win, "destroy", SIGNAL_FUNC(thisDestroy), nil)
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discard signal_connect(btn_quit, "clicked", SIGNAL_FUNC(thisDestroy), nil)
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discard signal_connect(btn_inc, "clicked", SIGNAL_FUNC(thisInc), nil)
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discard signal_connect(btn_rnd, "clicked", SIGNAL_FUNC(thisRnd), nil)
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chngd_txt_hndler = signal_connect(entry_fld, "changed", SIGNAL_FUNC(thisTextChanged), nil)
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win.show_all()
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main()
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@ -6,9 +6,12 @@ object Interact extends SimpleSwingApplication {
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def top = new MainFrame {
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title = "Rosetta Code >>> Task: component interaction | Language: Scala"
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val numberField = new TextField { text = "0" } // start at 0
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val numberField = new TextField {
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text = "0" // start at 0
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horizontalAlignment = Alignment.Right
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}
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val incButton = new Button { text = "Increment" }
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val incButton = new Button { text = "Increment" }
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val randButton = new Button { text = "Random" }
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// arrange buttons in a grid with 1 row, 2 columns
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@ -17,30 +20,26 @@ object Interact extends SimpleSwingApplication {
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}
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// arrange text field and button panel in a grid with 2 row, 1 column
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contents = new GridPanel(2, 1) {
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contents ++= List(numberField, buttonPanel)
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}
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contents = new GridPanel(2, 1) { contents ++= List(numberField, buttonPanel) }
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// listen for keys pressed in numberField and button clicks
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listenTo(numberField.keys, incButton, randButton)
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reactions += {
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case kt: KeyTyped if (!kt.char.isDigit) => // if the entered char isn't a digit ...
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kt.consume // ... eat the event (i.e. stop it from being processed)
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case kt: KeyTyped if (!kt.char.isDigit) => // if the entered char isn't a digit …
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kt.consume // … eat the event (i.e. stop it from being processed)
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case ButtonClicked(`incButton`) =>
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if (numberField.text.isEmpty()) numberField.text = "0"
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if (numberField.text.isEmpty) numberField.text = "0"
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// we use BigInt to avoid long overflow/number format exception
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val biNumber = new BigInt(new java.math.BigInteger(numberField.text))
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numberField.text = "" + (biNumber+1)
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numberField.text = (BigInt(numberField.text) + 1).toString
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case ButtonClicked(`randButton`) =>
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import Dialog._
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numberField.text = showOptions(buttonPanel,
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message = "Are you sure?",
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title = "Choose an option!",
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entries = List("Yes", "No", "Cancel"),
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initial = 2) match {
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case Result.Yes => (Long.MaxValue * Math.random).toLong.toString
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case _ => numberField.text
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}
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numberField.text = showOptions(buttonPanel, message = "Are you sure?",
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title = "Choose an option!", entries = List("Yes", "No", "Cancel"),
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initial = 2) match {
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case Result.Yes => (Long.MaxValue * Math.random).toLong.toString
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case _ => numberField.text
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}
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}
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centerOnScreen()
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}
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}
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