问在IntelliJ插件中添加焦点/模糊监听器

EN

Disposable disposable = () -> {};  // or your custom disposable

EditorEventMulticasterEx editorEventMulticaster =
        (EditorEventMulticasterEx) EditorFactory.getInstance().getEventMulticaster();

editorEventMulticaster.addFocusChangeListener(new FocusChangeListener() {
    @Override
    public void focusGained(@NotNull Editor editor) {
        // handle focus event
    }

    @Override
    public void focusLost(@NotNull Editor editor) {
        // handle blur event
    }
}, disposable);