LazyWidget.h 461 B

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  1. /*
  2. * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <LibGUI/Widget.h>
  8. namespace GUI {
  9. class LazyWidget : public Widget {
  10. C_OBJECT(LazyWidget)
  11. public:
  12. virtual ~LazyWidget() override;
  13. Function<void(LazyWidget&)> on_first_show;
  14. protected:
  15. LazyWidget();
  16. private:
  17. virtual void show_event(ShowEvent&) override;
  18. bool m_has_been_shown { false };
  19. };
  20. }