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#pragma once
#include "RenderObject.h"
#include "cru/platform/graphics/Painter.h"
namespace cru::ui::render {
class TreeRenderObject;
class CRU_UI_API TreeRenderObjectItem : public Object {
friend TreeRenderObject;
private:
explicit TreeRenderObjectItem(TreeRenderObject* tree_render_object,
TreeRenderObjectItem* parent);
public:
CRU_DELETE_COPY(TreeRenderObjectItem)
CRU_DELETE_MOVE(TreeRenderObjectItem)
~TreeRenderObjectItem() override;
RenderObject* GetRenderObject() { return render_object_; }
void SetRenderObject(RenderObject* render_object);
const std::vector<TreeRenderObjectItem*>& GetChildren() const {
return children_;
}
Index GetChildCount() const { return children_.size(); }
TreeRenderObjectItem* GetChildAt(Index index) {
Expects(index >= 0 && index < children_.size());
return children_[index];
}
TreeRenderObjectItem* AddItem(Index position);
void RemoveItem(Index position);
void* GetUserData() const { return user_data_; }
void SetUserData(void* user_data) { user_data_ = user_data; }
private:
TreeRenderObject* tree_render_object_;
TreeRenderObjectItem* parent_;
std::vector<TreeRenderObjectItem*> children_;
RenderObject* render_object_;
void* user_data_;
};
class CRU_UI_API TreeRenderObject : public RenderObject {
CRU_DEFINE_CLASS_LOG_TAG(u"TreeRenderObject")
public:
TreeRenderObject();
CRU_DELETE_COPY(TreeRenderObject)
CRU_DELETE_MOVE(TreeRenderObject)
~TreeRenderObject() override;
String GetName() const override { return u"TreeRenderObject"; }
TreeRenderObjectItem* GetRootItem() { return root_item_; }
float GetTabWidth() const { return tab_width_; }
void SetTabWidth(float tab_width);
RenderObject* HitTest(const Point& point) override;
void Draw(platform::graphics::IPainter* painter) override;
protected:
Size OnMeasureContent(const MeasureRequirement& requirement,
const MeasureSize& preferred_size) override;
void OnLayoutContent(const Rect& content_rect) override;
private:
float tab_width_ = 12.f;
TreeRenderObjectItem* root_item_;
};
} // namespace cru::ui::render
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