public boolean focusAllowedFor() {
Window window = (Window) this.target;
if (!window.isVisible() || !window.isEnabled() || !window.isFocusableWindow()) {
return false;
}
if (isModalBlocked()) {
return false;
}
return true;
}
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);
}
}
private void updateWindow(boolean repaint) {
Window w = (Window) target;
synchronized (getStateLock()) {
if (isOpaque || !w.isVisible() || (w.getWidth() <= 0) || (w.getHeight() <= 0)) {
return;
}
TranslucentWindowPainter currentPainter = painter;
if (currentPainter != null) {
currentPainter.updateWindow(repaint);
} else if (log.isLoggable(PlatformLogger.Level.FINER)) {
log.finer("Translucent window painter is null in updateWindow");
}
}
}
public void actionPerformed(ActionEvent e) {
if (palette != null) {
putValue(Actions.SELECTED_KEY, !palette.isVisible());
}
}