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package ij.gui;
import ij.*;
import java.awt.*;
import java.awt.event.*;
/** A modal dialog box that displays information. Based on the
InfoDialogclass from "Java in a Nutshell" by David Flanagan. */
public class MessageDialog extends Dialog implements ActionListener, KeyListener, WindowListener {
protected Button button;
protected MultiLineLabel label;
private boolean escapePressed;
public MessageDialog(Frame parent, String title, String message) {
super(parent, title, true);
setLayout(new BorderLayout());
if (message==null) message = "";
Font font = null;
double scale = Prefs.getGuiScale();
if (scale>1.0) {
font = getFont();
if (font!=null)
font = font.deriveFont((float)(font.getSize()*scale));
else
font = new Font("SansSerif", Font.PLAIN, (int)(12*scale));
setFont(font);
}
label = new MultiLineLabel(message);
if (font!=null)
label.setFont(font);
else if (!IJ.isLinux())
label.setFont(ImageJ.SansSerif14);
Panel panel = new Panel();
panel.setLayout(new FlowLayout(FlowLayout.CENTER, 15, 15));
panel.add(label);
add("Center", panel);
button = new Button(" OK ");
button.addActionListener(this);
button.addKeyListener(this);
panel = new Panel();
panel.setLayout(new FlowLayout());
panel.add(button);
add("South", panel);
if (ij.IJ.isMacintosh())
setResizable(false);
pack();
GUI.centerOnImageJScreen(this);
addWindowListener(this);
show();
}
public void actionPerformed(ActionEvent e) {
dispose();
}
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
IJ.setKeyDown(keyCode);
escapePressed = keyCode==KeyEvent.VK_ESCAPE;
if (keyCode==KeyEvent.VK_ENTER || escapePressed)
dispose();
}
public void keyReleased(KeyEvent e) {
int keyCode = e.getKeyCode();
IJ.setKeyUp(keyCode);
}
public void keyTyped(KeyEvent e) {}
public void windowClosing(WindowEvent e) {
dispose();
}
public boolean escapePressed() {
return escapePressed;
}
public void windowActivated(WindowEvent e) {}
public void windowOpened(WindowEvent e) {}
public void windowClosed(WindowEvent e) {}
public void windowIconified(WindowEvent e) {}
public void windowDeiconified(WindowEvent e) {}
public void windowDeactivated(WindowEvent e) {}
}
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