public static boolean isFocused(@Nullable Component[] components) {
if (components == null) return false;
Component owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
if (owner == null) return false;
Window wnd;
if (owner instanceof Window) {
wnd = (Window) owner;
} else {
wnd = SwingUtilities.getWindowAncestor(owner);
}
for (Component each : components) {
if (each != null && SwingUtilities.isDescendingFrom(owner, each)) {
Window eachWindow =
each instanceof Window ? (Window) each : SwingUtilities.getWindowAncestor(each);
if (eachWindow == wnd) {
return true;
}
}
}
return false;
}
@Override
public Dimension getPreferredSize() {
final Component focusOwner =
KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
Point p = null;
if (focusOwner != null && focusOwner.isShowing()) {
p = focusOwner.getLocationOnScreen();
}
return computeNotBiggerDimension(super.getPreferredSize().getSize(), p);
}
public void showCenteredInCurrentWindow(@NotNull Project project) {
Window window = null;
Component focusedComponent = getWndManager().getFocusedComponent(project);
if (focusedComponent != null) {
Component parent = UIUtil.findUltimateParent(focusedComponent);
if (parent instanceof Window) {
window = (Window) parent;
}
}
if (window == null) {
window = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusedWindow();
}
if (window != null) {
showInCenterOf(window);
}
}