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author | crupest <crupest@outlook.com> | 2020-05-24 01:40:02 +0800 |
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committer | crupest <crupest@outlook.com> | 2020-05-24 01:40:02 +0800 |
commit | d86a71f79afe0e4dac768f61d6bff690567aca5b (patch) | |
tree | 4957e9a64c77680deb07201fbd879bf036616dae /include/cru/ui/render/ScrollRenderObject.hpp | |
parent | f3a8fd608a9776ef0a5f547da918a32cf6074060 (diff) | |
download | cru-d86a71f79afe0e4dac768f61d6bff690567aca5b.tar.gz cru-d86a71f79afe0e4dac768f61d6bff690567aca5b.tar.bz2 cru-d86a71f79afe0e4dac768f61d6bff690567aca5b.zip |
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Diffstat (limited to 'include/cru/ui/render/ScrollRenderObject.hpp')
-rw-r--r-- | include/cru/ui/render/ScrollRenderObject.hpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/cru/ui/render/ScrollRenderObject.hpp b/include/cru/ui/render/ScrollRenderObject.hpp new file mode 100644 index 00000000..dcf6dae6 --- /dev/null +++ b/include/cru/ui/render/ScrollRenderObject.hpp @@ -0,0 +1,30 @@ +#pragma once +#include "RenderObject.hpp" + +#include "cru/platform/graph/util/Painter.hpp" + +namespace cru::ui::render { +class ScrollRenderObject : public RenderObject { + public: + ScrollRenderObject() : RenderObject(ChildMode::Single) {} + + CRU_DELETE_COPY(ScrollRenderObject) + CRU_DELETE_MOVE(ScrollRenderObject) + + ~ScrollRenderObject() override = default; + + void Draw(platform::graph::IPainter* painter) override; + + RenderObject* HitTest(const Point& point) override; + + Point GetScrollOffset() { return scroll_offset_; } + void SetScrollOffset(const Point& offset); + + protected: + void OnAddChild(RenderObject* new_child, Index position) override; + void OnRemoveChild(RenderObject* removed_child, Index position) override; + + private: + Point scroll_offset_; +}; +} // namespace cru::ui::render |