public void createPartControl(Composite parent) {
final ScrolledComposite scomposite =
new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
swtDisplay = (SWTRemoteDisplay) RemoteDisplayFactory.getDisplay(SWTDISPLAY, scomposite);
running = true;
scomposite.setContent(swtDisplay);
scomposite.setExpandHorizontal(true);
scomposite.setExpandVertical(true);
swtDisplay
.getCanvas()
.addControlListener(
new ControlListener() {
public void controlMoved(ControlEvent e) {}
public void controlResized(ControlEvent e) {
Point size = swtDisplay.getCanvas().getSize();
scomposite.setMinSize(swtDisplay.getParent().computeSize(size.x, size.y));
}
});
swtDisplay.getCanvas().setSize(0, 0);
if (VNCViewerView.protocolHandle != null) {
try {
swtDisplay.start(protocolHandle);
} catch (Exception e) {
// TODO handle properly
e.printStackTrace();
}
}
}
public static void zoomOut() {
double newzoom = 1;
if (!swtDisplay.isActive()) return;
if (zoomFactor == 1) {
zoomFactor = -2;
} else {
zoomFactor--;
}
if (zoomFactor >= 1) {
newzoom = zoomFactor;
} else {
newzoom = ((double) 1) / -zoomFactor;
}
swtDisplay.setZoomFactor(newzoom);
try {
swtDisplay.updateRequest(false); // full request
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/** Performs the stop action into the VNC Component. */
public static synchronized void stop() {
if ((running) && (swtDisplay != null)) {
if (swtDisplay.isActive()) {
swtDisplay
.getDisplay()
.syncExec(
new Runnable() {
public void run() {
swtDisplay.stop();
zoomFactor = 1;
swtDisplay.setZoomFactor(zoomFactor);
swtDisplay.getCanvas().setSize(0, 0);
}
});
}
}
}
/** Performs the start action into the VNC Component. */
public static synchronized void start(
String host, int port, String protoVersion, String password, boolean bypassProxy) {
if ((running) && (swtDisplay != null)) {
if (swtDisplay.isActive()) {
swtDisplay.stop();
}
try {
HashMap<String, Object> parameters = new HashMap<String, Object>();
String protocolId = ProtocolIdTranslator.getProtocolId(protoVersion);
parameters.put("password", password); // $NON-NLS-1$
parameters.put(
"connectionRetries",
swtDisplay //$NON-NLS-1$
.getConnectionRetries());
parameters.put("bypassProxy", new Boolean(bypassProxy)); // $NON-NLS-1$
VNCViewerView.protocolHandle =
PluginProtocolActionDelegate.requestStartProtocolAsClient(
protocolId, new VNCProtocolExceptionHandler(), host, port, parameters);
while (!PluginProtocolActionDelegate.isProtocolRunning(VNCViewerView.protocolHandle)) {
Thread.sleep(500);
}
swtDisplay.start(protocolHandle);
currentHost = host;
currentPort = Integer.toString(port);
} catch (Exception e) {
log(VNCViewerView.class).error(VIEWER_COULD_NOT_BE_STARTED + e.getMessage());
Canvas canvas = swtDisplay.getCanvas();
if ((canvas != null) && (!canvas.isDisposed())) {
GC gc = new GC(swtDisplay.getCanvas());
gc.fillRectangle(0, 0, swtDisplay.getScreenWidth(), swtDisplay.getScreenHeight());
gc.dispose();
}
}
}
}
public void dispose() {
running = false;
if (swtDisplay != null) swtDisplay.dispose();
super.dispose();
}
public void setFocus() {
if (swtDisplay != null) {
swtDisplay.setFocus();
}
}