BlockContainer.h 1.7 KB

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  1. /*
  2. * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <LibWeb/Layout/Box.h>
  8. #include <LibWeb/Layout/LineBox.h>
  9. namespace Web::Layout {
  10. // https://www.w3.org/TR/css-display/#block-container
  11. class BlockContainer : public Box {
  12. public:
  13. BlockContainer(DOM::Document&, DOM::Node*, NonnullRefPtr<CSS::StyleProperties>);
  14. BlockContainer(DOM::Document&, DOM::Node*, CSS::ComputedValues);
  15. virtual ~BlockContainer() override;
  16. virtual HitTestResult hit_test(const Gfx::IntPoint&, HitTestType) const override;
  17. BlockContainer* previous_sibling() { return verify_cast<BlockContainer>(Node::previous_sibling()); }
  18. const BlockContainer* previous_sibling() const { return verify_cast<BlockContainer>(Node::previous_sibling()); }
  19. BlockContainer* next_sibling() { return verify_cast<BlockContainer>(Node::next_sibling()); }
  20. const BlockContainer* next_sibling() const { return verify_cast<BlockContainer>(Node::next_sibling()); }
  21. bool is_scrollable() const;
  22. const Gfx::FloatPoint& scroll_offset() const { return m_scroll_offset; }
  23. void set_scroll_offset(const Gfx::FloatPoint&);
  24. Painting::PaintableWithLines const* paint_box() const;
  25. virtual RefPtr<Painting::Paintable> create_paintable() const override;
  26. private:
  27. virtual bool is_block_container() const final { return true; }
  28. virtual bool wants_mouse_events() const override { return false; }
  29. virtual bool handle_mousewheel(Badge<EventHandler>, const Gfx::IntPoint&, unsigned buttons, unsigned modifiers, int wheel_delta_x, int wheel_delta_y) override;
  30. Gfx::FloatPoint m_scroll_offset;
  31. };
  32. template<>
  33. inline bool Node::fast_is<BlockContainer>() const { return is_block_container(); }
  34. }