Java Swing : Get window that is in front or in focus

Question

这个问题已经有答案了:

How to find out which object currently has focus (8 个回答)

已关闭 7 年前。

我有一个带有多个窗口的应用程序。是否可以在不跟踪的情况下获取前面的窗口或焦点所在的窗口？

Answer 1

您可以使用以下方式生成此信息:

Window windows[] = Window.getWindows();
for (Window w) {
  if (w.isFocused()) {
     ...
  }
  else if(w.isActive()) {
     ...
  }
}