static synchronized void initializeSwing() {
if (swingInitialized) return;
swingInitialized = true;
/*
* Feature in GTK. The default X error handler
* for GTK calls exit() after printing the X error.
* Normally, this isn't that big a problem for SWT
* applications because they don't cause X errors.
* However, sometimes X errors are generated by AWT
* that make SWT exit. The fix is to hide all X
* errors when AWT is running.
*/
OS.gdk_error_trap_push();
try {
/* Initialize the default focus traversal policy */
Class[] emptyClass = new Class[0];
Object[] emptyObject = new Object[0];
Class clazz = Class.forName("javax.swing.UIManager");
Method method = clazz.getMethod("getDefaults", emptyClass);
if (method != null) method.invoke(clazz, emptyObject);
} catch (Throwable e) {
}
}
/** Create tray icon and register frame listeners. */
public void init() {
// register error handler to avoid application crash on concurrent X access from SWT and AWT
try {
OS.gdk_error_trap_push();
} catch (NoClassDefFoundError e) {
// ignore
}
final String systemLookAndFeelClassName = UIManager.getSystemLookAndFeelClassName();
try {
// workaround for bug when SWT and AWT both try to access Gtk
if (systemLookAndFeelClassName.indexOf("gtk") >= 0) {
System.setProperty("swing.defaultlaf", UIManager.getCrossPlatformLookAndFeelClassName());
} else {
System.setProperty("swing.defaultlaf", systemLookAndFeelClassName);
}
} catch (Exception e) {
DavGatewayTray.warn(new BundleMessage("LOG_UNABLE_TO_SET_LOOK_AND_FEEL"));
}
new Thread("SWT") {
@Override
public void run() {
try {
display = new Display();
shell = new Shell(display);
final Tray tray = display.getSystemTray();
if (tray != null) {
trayItem = new TrayItem(tray, SWT.NONE);
trayItem.setToolTipText(BundleMessage.format("UI_DAVMAIL_GATEWAY"));
awtImage = DavGatewayTray.loadImage(AwtGatewayTray.TRAY_PNG);
image = loadSwtImage(AwtGatewayTray.TRAY_PNG);
image2 = loadSwtImage(AwtGatewayTray.TRAY_ACTIVE_PNG);
inactiveImage = loadSwtImage(AwtGatewayTray.TRAY_INACTIVE_PNG);
trayItem.setImage(image);
// create a popup menu
final Menu popup = new Menu(shell, SWT.POP_UP);
trayItem.addListener(
SWT.MenuDetect,
new Listener() {
public void handleEvent(Event event) {
display.asyncExec(
new Runnable() {
public void run() {
popup.setVisible(true);
}
});
}
});
MenuItem aboutItem = new MenuItem(popup, SWT.PUSH);
aboutItem.setText(BundleMessage.format("UI_ABOUT"));
aboutItem.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event event) {
display.asyncExec(
new Runnable() {
public void run() {
if (aboutFrame == null) {
aboutFrame = new AboutFrame();
}
aboutFrame.update();
aboutFrame.setVisible(true);
aboutFrame.toFront();
aboutFrame.requestFocus();
}
});
}
});
trayItem.addListener(
SWT.DefaultSelection,
new Listener() {
public void handleEvent(Event event) {
display.asyncExec(
new Runnable() {
public void run() {
// create frame on first call
if (settingsFrame == null) {
settingsFrame = new SettingsFrame();
}
settingsFrame.reload();
settingsFrame.setVisible(true);
settingsFrame.toFront();
settingsFrame.requestFocus();
}
});
}
});
// create menu item for the default action
MenuItem defaultItem = new MenuItem(popup, SWT.PUSH);
defaultItem.setText(BundleMessage.format("UI_SETTINGS"));
defaultItem.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event event) {
display.asyncExec(
new Runnable() {
public void run() {
// create frame on first call
if (settingsFrame == null) {
settingsFrame = new SettingsFrame();
}
settingsFrame.reload();
settingsFrame.setVisible(true);
settingsFrame.toFront();
settingsFrame.requestFocus();
}
});
}
});
MenuItem logItem = new MenuItem(popup, SWT.PUSH);
logItem.setText(BundleMessage.format("UI_SHOW_LOGS"));
logItem.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event event) {
display.asyncExec(
new Runnable() {
public void run() {
Logger rootLogger = Logger.getRootLogger();
LF5Appender lf5Appender =
(LF5Appender) rootLogger.getAppender("LF5Appender");
if (lf5Appender == null) {
logBrokerMonitor =
new LogBrokerMonitor(LogLevel.getLog4JLevels()) {
@Override
protected void closeAfterConfirm() {
hide();
}
};
lf5Appender = new LF5Appender(logBrokerMonitor);
lf5Appender.setName("LF5Appender");
rootLogger.addAppender(lf5Appender);
}
lf5Appender.getLogBrokerMonitor().show();
}
});
}
});
MenuItem exitItem = new MenuItem(popup, SWT.PUSH);
exitItem.setText(BundleMessage.format("UI_EXIT"));
exitItem.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event event) {
DavGateway.stop();
}
});
// display settings frame on first start
if (Settings.isFirstStart()) {
// create frame on first call
if (settingsFrame == null) {
settingsFrame = new SettingsFrame();
}
settingsFrame.setVisible(true);
settingsFrame.toFront();
settingsFrame.requestFocus();
}
synchronized (mainThread) {
// ready
isReady = true;
mainThread.notifyAll();
}
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
dispose();
}
} catch (Exception exc) {
DavGatewayTray.error(exc);
}
// make sure we do exit
System.exit(0);
}
}.start();
while (true) {
// wait for SWT init
try {
synchronized (mainThread) {
if (isReady) {
break;
}
mainThread.wait(1000);
}
} catch (InterruptedException e) {
DavGatewayTray.error(new BundleMessage("LOG_ERROR_WAITING_FOR_SWT_INIT"), e);
}
}
}