public void setOpaque(boolean isOpaque) {
synchronized (getStateLock()) {
if (this.isOpaque == isOpaque) {
return;
}
}
Window target = (Window) getTarget();
if (!isOpaque) {
SunToolkit sunToolkit = (SunToolkit) target.getToolkit();
if (!sunToolkit.isWindowTranslucencySupported()
|| !sunToolkit.isTranslucencyCapable(target.getGraphicsConfiguration())) {
return;
}
}
boolean isVistaOS = Win32GraphicsEnvironment.isVistaOS();
if (this.isOpaque != isOpaque && !isVistaOS) {
// non-Vista OS: only replace the surface data if the opacity
// status changed (see WComponentPeer.isAccelCapable() for more)
replaceSurfaceDataRecursively(target);
}
synchronized (getStateLock()) {
this.isOpaque = isOpaque;
setOpaqueImpl(isOpaque);
if (isOpaque) {
TranslucentWindowPainter currentPainter = painter;
if (currentPainter != null) {
currentPainter.flush();
painter = null;
}
} else {
painter = TranslucentWindowPainter.createInstance(this);
}
}
if (isVistaOS) {
// On Vista: setting the window non-opaque makes the window look
// rectangular, though still catching the mouse clicks within
// its shape only. To restore the correct visual appearance
// of the window (i.e. w/ the correct shape) we have to reset
// the shape.
Shape shape = target.getShape();
if (shape != null) {
target.setShape(shape);
}
}
if (target.isVisible()) {
updateWindow(true);
}
}
// WComponentPeer overrides
@SuppressWarnings("unchecked")
protected void disposeImpl() {
AppContext appContext = SunToolkit.targetToAppContext(target);
synchronized (appContext) {
List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
if (l != null) {
l.remove(this);
}
}
// Remove ourself from the Map of DisplayChangeListeners
GraphicsConfiguration gc = getGraphicsConfiguration();
((Win32GraphicsDevice) gc.getDevice()).removeDisplayChangedListener(this);
synchronized (getStateLock()) {
TranslucentWindowPainter currentPainter = painter;
if (currentPainter != null) {
currentPainter.flush();
// don't set the current one to null here; reduces the chances of
// MT issues (like NPEs)
}
}
super.disposeImpl();
}
/*
* Called from native code when we have been dragged onto another screen.
*/
void draggedToNewScreen() {
SunToolkit.executeOnEventHandlerThread(
(Component) target,
new Runnable() {
public void run() {
displayChanged();
}
});
}
public void updateIconImages() {
java.util.List<Image> imageList = ((Window) target).getIconImages();
if (imageList == null || imageList.size() == 0) {
setIconImagesData(null, 0, 0, null, 0, 0);
} else {
int w = getSysIconWidth();
int h = getSysIconHeight();
int smw = getSysSmIconWidth();
int smh = getSysSmIconHeight();
DataBufferInt iconData = SunToolkit.getScaledIconData(imageList, w, h);
DataBufferInt iconSmData = SunToolkit.getScaledIconData(imageList, smw, smh);
if (iconData != null && iconSmData != null) {
setIconImagesData(iconData.getData(), w, h, iconSmData.getData(), smw, smh);
} else {
setIconImagesData(null, 0, 0, null, 0, 0);
}
}
}
public void propertyChange(PropertyChangeEvent e) {
Window w = (Window) e.getNewValue();
if (w == null) {
return;
}
AppContext appContext = SunToolkit.targetToAppContext(w);
synchronized (appContext) {
WWindowPeer wp = (WWindowPeer) w.getPeer();
// add/move wp to the end of the list
List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
if (l != null) {
l.remove(wp);
l.add(wp);
}
}
}