2015-11-09 16:13:57 +01:00
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/*
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* Copyright 2014 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2016-02-13 15:06:19 +01:00
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package dorkbox.systemTray.swing;
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2014-11-03 02:11:03 +01:00
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2016-10-03 20:13:00 +02:00
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import java.awt.Frame;
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2016-10-08 17:41:21 +02:00
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import java.awt.Image;
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2016-10-03 20:13:00 +02:00
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import java.awt.event.WindowEvent;
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import java.awt.event.WindowFocusListener;
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2016-10-08 17:41:21 +02:00
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import java.io.File;
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import java.io.IOException;
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import java.lang.reflect.Method;
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2015-06-28 01:47:02 +02:00
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2016-10-08 17:41:21 +02:00
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import javax.imageio.ImageIO;
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import javax.swing.ImageIcon;
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2016-10-03 20:13:00 +02:00
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import javax.swing.JDialog;
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2016-09-28 17:20:13 +02:00
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import javax.swing.JPopupMenu;
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2016-09-28 18:35:25 +02:00
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import javax.swing.border.EmptyBorder;
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2016-10-08 17:41:21 +02:00
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import javax.swing.event.PopupMenuEvent;
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import javax.swing.event.PopupMenuListener;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.util.OS;
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2016-09-28 17:20:13 +02:00
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2016-10-03 20:13:00 +02:00
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/**
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2016-10-08 21:53:43 +02:00
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* This custom popup is required if we want to be able to show images on the menu,
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2016-10-09 16:28:32 +02:00
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*
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* This is our "golden standard" since we have 100% control over it.
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2016-10-03 20:13:00 +02:00
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*/
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2016-10-09 20:20:23 +02:00
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public
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class SwingSystemTrayMenuPopup extends JPopupMenu {
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private static final long serialVersionUID = 1L;
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2014-11-03 02:11:03 +01:00
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2016-10-08 21:53:43 +02:00
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// NOTE: we can use the "hidden dialog" focus window trick...
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private JDialog hiddenDialog;
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private volatile File iconFile;
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2016-02-21 00:56:14 +01:00
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2016-10-08 17:41:21 +02:00
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@SuppressWarnings("unchecked")
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public
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SwingSystemTrayMenuPopup() {
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2014-11-24 17:40:06 +01:00
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super();
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2015-01-23 02:52:09 +01:00
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setFocusable(true);
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2016-09-28 18:35:25 +02:00
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// setBorder(new BorderUIResource.EmptyBorderUIResource(0, 0, 0, 0)); // borderUI resource border type will get changed!
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setBorder(new EmptyBorder(1, 1, 1, 1));
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2014-11-03 02:11:03 +01:00
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2016-09-29 13:07:58 +02:00
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2016-10-08 17:41:21 +02:00
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// Initialize the hidden dialog as a headless, title-less dialog window
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hiddenDialog = new JDialog((Frame)null, "Tray menu");
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hiddenDialog.setUndecorated(true);
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hiddenDialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
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hiddenDialog.setAlwaysOnTop(true);
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2016-10-08 17:41:21 +02:00
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// on Linux, the following two entries will **MOST OF THE TIME** prevent the hidden dialog from showing in the task-bar
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// on MacOS, you need "special permission" to not have a hidden dialog show on the dock.
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2016-10-08 21:53:43 +02:00
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hiddenDialog.getContentPane().setLayout(null);
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2016-10-08 17:41:21 +02:00
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2016-10-08 21:53:43 +02:00
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// this is java 1.7, so we have to use reflection. It's not critical for this to be set, but it helps hide the title in the taskbar
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// hiddenDialog.setType(Window.Type.POPUP);
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if (OS.javaVersion >= 7) {
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try {
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Class<? extends JDialog> hiddenDialogClass = hiddenDialog.getClass();
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Method[] methods = hiddenDialogClass.getMethods();
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for (Method method : methods) {
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if (method.getName()
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.equals("setType")) {
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Class<Enum> cl = (Class<Enum>) Class.forName("java.awt.Window$Type");
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method.invoke(hiddenDialog, Enum.valueOf(cl, "POPUP"));
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break;
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}
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}
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} catch (Exception e) {
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SystemTray.logger.error("Error setting the tray popup menu type. The parent window might show on the task bar.");
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}
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}
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2016-02-21 00:56:14 +01:00
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2016-10-08 21:53:43 +02:00
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hiddenDialog.pack();
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hiddenDialog.setBounds(0,0,0,0);
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addPopupMenuListener(new PopupMenuListener() {
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public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
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}
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public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
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hiddenDialog.setVisible(false);
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hiddenDialog.toBack();
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}
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public void popupMenuCanceled(PopupMenuEvent e) {
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}
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});
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2016-09-29 13:07:58 +02:00
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2016-10-03 20:13:00 +02:00
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// Add the window focus listener to the hidden dialog
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2016-10-08 21:53:43 +02:00
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hiddenDialog.addWindowFocusListener(new WindowFocusListener() {
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2014-11-24 17:40:06 +01:00
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@Override
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public void windowLostFocus (WindowEvent we ) {
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SwingSystemTrayMenuPopup.this.setVisible(false);
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2014-11-03 02:11:03 +01:00
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}
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2016-10-03 20:13:00 +02:00
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@Override
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public void windowGainedFocus (WindowEvent we) {
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}
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2014-11-03 02:11:03 +01:00
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});
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2015-01-23 02:52:09 +01:00
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}
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2014-11-24 17:40:06 +01:00
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2016-10-08 17:41:21 +02:00
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/**
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2016-10-09 20:20:23 +02:00
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* Sets the image for the title-bar, so IF it shows in the task-bar, it will have the corresponding image as the SystemTray image
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2016-10-08 17:41:21 +02:00
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*/
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2016-10-09 20:20:23 +02:00
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void setTitleBarImage(final File imageFile) {
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if (this.iconFile == null || !this.iconFile.equals(imageFile)) {
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this.iconFile = imageFile;
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2016-10-08 17:41:21 +02:00
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try {
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2016-10-09 20:20:23 +02:00
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Image image = new ImageIcon(ImageIO.read(imageFile)).getImage();
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2016-10-08 17:41:21 +02:00
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image.flush();
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// we set the dialog window to have the same icon as what is on the system tray
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2016-10-08 21:53:43 +02:00
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hiddenDialog.setIconImage(image);
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2016-10-08 17:41:21 +02:00
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} catch (IOException e) {
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2016-10-09 20:20:23 +02:00
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SystemTray.logger.error("Error setting the title-bar image for the popup menu task tray dialog");
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2016-10-08 17:41:21 +02:00
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}
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}
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}
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2016-10-09 20:20:23 +02:00
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public
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2016-10-08 17:41:21 +02:00
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void doShow(final int x, final int y) {
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// critical to get the keyboard listeners working for the popup menu
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2016-10-08 21:53:43 +02:00
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setInvoker(hiddenDialog.getContentPane());
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2016-10-08 17:41:21 +02:00
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2016-10-08 21:53:43 +02:00
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hiddenDialog.setLocation(x, y);
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hiddenDialog.setVisible(true);
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2016-02-21 00:56:14 +01:00
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2016-10-08 17:41:21 +02:00
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setLocation(x, y);
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setVisible(true);
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requestFocusInWindow();
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2014-11-24 17:40:06 +01:00
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}
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2016-10-03 23:12:00 +02:00
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void close() {
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2016-10-08 21:53:43 +02:00
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hiddenDialog.setVisible(false);
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hiddenDialog.dispatchEvent(new WindowEvent(hiddenDialog, WindowEvent.WINDOW_CLOSING));
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2016-10-03 23:12:00 +02:00
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}
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2014-11-16 22:01:27 +01:00
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}
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