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https://gitlab.com/biskuteri-cafe/JKomasto2.git
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490 lines
11 KiB
Java
490 lines
11 KiB
Java
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import javax.swing.AbstractButton;
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import javax.swing.DefaultButtonModel;
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import javax.swing.Icon;
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import javax.swing.ImageIcon;
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import java.awt.Image;
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import java.awt.Graphics;
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import java.awt.Dimension;
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import java.awt.Shape;
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import java.awt.Rectangle;
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import java.awt.Component;
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import java.awt.image.BufferedImage;
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import java.awt.geom.Ellipse2D;
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import java.awt.event.MouseListener;
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import java.awt.event.MouseEvent;
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import java.awt.event.KeyListener;
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import java.awt.event.KeyEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.ActionEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.FocusEvent;
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import java.net.URL;
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import javax.swing.JFrame;
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class
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TwoToggleButton extends AbstractButton
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implements KeyListener, MouseListener, FocusListener {
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private String
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primaryName,
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secondaryName;
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// - -%- -
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private boolean
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primaryToggled = false,
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secondaryToggled = false;
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private Image
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primaryToggledIcon,
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secondaryToggledIcon,
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primaryUntoggledIcon,
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secondaryUntoggledIcon;
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private int
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nextEventID = ActionEvent.ACTION_FIRST;
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// - -%- -
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private static Image
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button,
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selectedOverlay,
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disabledOverlay;
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// ---%-@-%---
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public void
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togglePrimary()
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{
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setPrimaryToggled(!primaryToggled);
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}
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public void
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toggleSecondary()
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{
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setSecondaryToggled(!secondaryToggled);
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}
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public void
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setPrimaryToggled(boolean toggled)
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{
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primaryToggled = toggled;
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repaint();
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announce(primaryName, toggled);
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}
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public void
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setSecondaryToggled(boolean toggled)
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{
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secondaryToggled = toggled;
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repaint();
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announce(secondaryName, toggled);
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}
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public boolean
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getPrimaryToggled()
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{
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return primaryToggled;
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}
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public boolean
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getSecondaryToggled()
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{
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return secondaryToggled;
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}
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// - -%- -
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private void
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announce(String name, boolean toggled)
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{
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ActionEvent eA = new ActionEvent(
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this, nextEventID++,
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name + (toggled ? "On" : "Off")
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);
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for (ActionListener listener: getActionListeners())
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listener.actionPerformed(eA);
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}
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protected void
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paintComponent(Graphics g)
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{
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g.drawImage(button, 0, 0, this);
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if (!isEnabled())
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g.drawImage(disabledOverlay, 0, 0, this);
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if (isFocusOwner())
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g.drawImage(selectedOverlay, 0, 0, this);
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if (secondaryToggled)
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g.drawImage(secondaryToggledIcon, 0, 0, this);
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else
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g.drawImage(secondaryUntoggledIcon, 0, 0, this);
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if (primaryToggled)
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g.drawImage(primaryToggledIcon, 0, 0, this);
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else
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g.drawImage(primaryUntoggledIcon, 0, 0, this);
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}
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public void
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mousePressed(MouseEvent eM)
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{
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boolean shift = eM.isShiftDown();
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boolean prim = eM.getButton() == MouseEvent.BUTTON1;
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boolean secon = eM.getButton() == MouseEvent.BUTTON3;
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secon |= shift && prim;
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if (secon) toggleSecondary();
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else if (prim) togglePrimary();
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requestFocusInWindow();
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}
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public void
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keyPressed(KeyEvent eK)
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{
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boolean shift = eK.isShiftDown();
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boolean prim = eK.getKeyCode() == KeyEvent.VK_SPACE;
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boolean secon = eK.getKeyCode() == KeyEvent.VK_ENTER;
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secon |= shift && prim;
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if (secon) toggleSecondary();
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else if (prim) togglePrimary();
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requestFocusInWindow();
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}
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public void
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focusGained(FocusEvent eF) { repaint(); }
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public void
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focusLost(FocusEvent eF) { repaint(); }
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public void
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mouseClicked(MouseEvent eM) { }
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public void
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mouseReleased(MouseEvent eM) { }
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public void
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mouseEntered(MouseEvent eM) { }
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public void
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mouseExited(MouseEvent eM) { }
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public void
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keyReleased(KeyEvent eK) { }
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public void
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keyTyped(KeyEvent eK) { }
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// (悪) If we don't have the 'armed' behaviour of JButton,
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// we really need to rectify that, it's important for this
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// use case.
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// ---%-@-%---
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TwoToggleButton(String primaryName, String secondaryName)
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{
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if (button == null) loadCommonImages();
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this.primaryName = primaryName;
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this.secondaryName = secondaryName;
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setModel(new DefaultButtonModel());
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setFocusable(true);
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setOpaque(false);
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int w = button.getWidth(null);
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int h = button.getHeight(null);
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setPreferredSize(new Dimension(w, h));
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loadSpecificImages();
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this.addKeyListener(this);
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this.addMouseListener(this);
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this.addFocusListener(this);
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}
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private void
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loadSpecificImages()
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{
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String p1 = "graphics/" + primaryName + "Toggled.png";
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String p2 = "graphics/" + secondaryName + "Toggled.png";
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String p3 = "graphics/" + primaryName + "Untoggled.png";
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String p4 = "graphics/" + secondaryName + "Untoggled.png";
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URL u1 = getClass().getResource(p1);
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URL u2 = getClass().getResource(p2);
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URL u3 = getClass().getResource(p3);
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URL u4 = getClass().getResource(p4);
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if (u1 == null) primaryToggledIcon = null;
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else primaryToggledIcon = new ImageIcon(u1).getImage();
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if (u2 == null) secondaryToggledIcon = null;
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else secondaryToggledIcon = new ImageIcon(u2).getImage();
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if (u3 == null) primaryUntoggledIcon = null;
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else primaryUntoggledIcon = new ImageIcon(u3).getImage();
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if (u4 == null) secondaryUntoggledIcon = null;
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else secondaryUntoggledIcon = new ImageIcon(u4).getImage();
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}
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// - -%- -
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private static void
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loadCommonImages()
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{
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Class c = TwoToggleButton.class;
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URL u1 = c.getResource("graphics/button.png");
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URL u2 = c.getResource("graphics/disabledOverlay.png");
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URL u3 = c.getResource("graphics/selectedOverlay.png");
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assert u1 != null && u2 != null && u3 != null;
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button = new ImageIcon(u1).getImage();
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disabledOverlay = new ImageIcon(u2).getImage();
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selectedOverlay = new ImageIcon(u3).getImage();
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}
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}
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class
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RoundButton extends AbstractButton
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implements KeyListener, MouseListener, FocusListener {
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private Image
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image;
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// - -%- -
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private Image
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copy,
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scaled;
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private int
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nextEventID = ActionEvent.ACTION_FIRST;
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// - -%- -
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private static Image
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button,
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selectedOverlay,
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disabledOverlay;
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private static Shape
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roundClip;
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// ---%-@-%---
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public void
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setImage(Image n)
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{
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image = n;
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copy = null;
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scaled = null;
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if (image != null)
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{
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image.flush();
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prepareImage(image, this);
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}
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}
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// - -%- -
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public boolean
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imageUpdate(Image img, int f, int x, int y, int w, int h)
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{
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// AbstractButton overrode this to refuse updates for
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// images that aren't the button's icon. We don't use
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// the icon, so we're overriding it back. Also, we have
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// some async work to do regarding the images.
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if ((f & (ABORT|ERROR)) != 0) return false;
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boolean all = (f & ALLBITS) != 0;
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boolean frame = (f & FRAMEBITS) != 0;
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boolean some = (f & SOMEBITS) != 0;
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if (frame && img != this.image) return false;
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if (img == this.image && (all || frame))
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{
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int ow = img.getWidth(null);
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int oh = img.getHeight(null);
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if (copy == null)
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{
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int type = BufferedImage.TYPE_INT_ARGB;
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copy = new BufferedImage(ow, oh, type);
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}
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Graphics g = copy.getGraphics();
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g.drawImage(img, 0, 0, null);
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g.dispose();
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int algo = Image.SCALE_SMOOTH;
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Rectangle b = roundClip.getBounds();
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int sw = ow > oh ? -1 : b.width;
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int sh = oh > ow ? -1 : b.height;
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scaled = copy.getScaledInstance(sw, sh, algo);
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/*
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* We create a scaled instance from a BufferedImage copy
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* rather than this.image directly, to avoid a ClassCast
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* Exception bug in the JDK, where ColorModel was
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* incorrectly casting an int array of input data into
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* a byte array. I'm not sure why that bug exists nor
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* why they haven't noticed it, but.
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*/
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repaint();
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}
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if (img == scaled && (some || all))
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{
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repaint();
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}
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return all ? false : true;
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}
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protected void
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paintComponent(Graphics g)
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{
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g.drawImage(button, 0, 0, this);
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if (!isEnabled())
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g.drawImage(disabledOverlay, 0, 0, this);
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if (isFocusOwner())
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g.drawImage(selectedOverlay, 0, 0, this);
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if (scaled == null) return;
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Rectangle b = roundClip.getBounds();
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Shape defaultClip = g.getClip();
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g.setClip(roundClip);
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g.drawImage(scaled, b.x, b.y, this);
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getParent().repaint();
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// I don't know why, but when we repaint ourselves, our
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// parent doesn't repaint, so nothing seems to happen.
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g.setClip(defaultClip);
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}
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private void
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announce()
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{
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ActionEvent eA = new ActionEvent(this, nextEventID++, null);
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for (ActionListener listener: getActionListeners())
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listener.actionPerformed(eA);
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}
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public void
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keyPressed(KeyEvent eK)
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{
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if (eK.getKeyCode() != KeyEvent.VK_SPACE) return;
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doClick();
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}
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public void
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mouseClicked(MouseEvent eM) { announce(); }
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public void
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focusGained(FocusEvent eF) { repaint(); }
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public void
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focusLost(FocusEvent eF) { repaint(); }
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public void
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mousePressed(MouseEvent eM) { }
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public void
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mouseReleased(MouseEvent eM) { }
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public void
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mouseEntered(MouseEvent eM) { }
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public void
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mouseExited(MouseEvent eM) { }
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public void
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keyReleased(KeyEvent eK) { }
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public void
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keyTyped(KeyEvent eK) { }
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// (悪) Again, armed?
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// ---%-@-%---
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RoundButton()
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{
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if (button == null) loadCommonImages();
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setModel(new DefaultButtonModel());
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setFocusable(true);
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setOpaque(false);
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int w = button.getWidth(null);
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int h = button.getHeight(null);
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setPreferredSize(new Dimension(w, h));
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this.addKeyListener(this);
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this.addMouseListener(this);
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this.addFocusListener(this);
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}
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// - -%- -
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private static void
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loadCommonImages()
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{
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Class c = TwoToggleButton.class;
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URL u1 = c.getResource("graphics/button.png");
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URL u2 = c.getResource("graphics/disabledOverlay.png");
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URL u3 = c.getResource("graphics/selectedOverlay.png");
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assert u1 != null && u2 != null && u3 != null;
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button = new ImageIcon(u1).getImage();
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disabledOverlay = new ImageIcon(u2).getImage();
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selectedOverlay = new ImageIcon(u3).getImage();
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int radius = 6;
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roundClip = new Ellipse2D.Float(
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radius,
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radius,
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button.getWidth(null) - (2 * radius),
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button.getHeight(null) - (2 * radius)
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);
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}
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}
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class
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TwoToggleButtonTest {
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public static void
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main(String... args)
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{
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if (args.length != 2)
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{
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String err = "Please give two toggle names.";
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System.err.println(err);
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System.exit(1);
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}
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String p = args[0], s = args[1];
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TwoToggleButton t1 = new TwoToggleButton(p, s);
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TwoToggleButton t2 = new TwoToggleButton(p, s);
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TwoToggleButton t3 = new TwoToggleButton(p, s);
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JFrame mainframe = new JFrame("Two-toggle button test");
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mainframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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mainframe.setLocationByPlatform(true);
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mainframe.add(t1, java.awt.BorderLayout.WEST);
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mainframe.add(t2);
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mainframe.add(t3, java.awt.BorderLayout.EAST);
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mainframe.pack();
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t2.setEnabled(false);
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t3.requestFocusInWindow();
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mainframe.setVisible(true);
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}
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}
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