42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#ifndef BWIDGETS_WIDGET_HPP
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#define BWIDGETS_WIDGET_HPP
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#include <memory>
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#include <basic_widgets/core/renderer.hpp>
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#include <basic_widgets/core/type/size.hpp>
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#include <basic_widgets/w/feat/event_handler_impl.hpp>
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union SDL_Event;
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struct SDL_Renderer;
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namespace bwidgets
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{
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class Widget : public virtual EventHandlerImpl
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{
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protected:
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std::shared_ptr<Renderer> _renderer;
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SDL_Rect _viewport {0, 0, 0, 0};
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SDL_Rect _widget_area {0, 0, 0, 0};
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virtual void _handle_geometry_change(const SDL_Rect&) = 0;
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virtual void _handle_renderer_change(const std::shared_ptr<Renderer>&) {}
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virtual void _handle_rendering() = 0;
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public:
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Widget* parent;
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explicit Widget(Widget* p = nullptr) noexcept : parent {p} {}
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[[nodiscard]] virtual auto size() const noexcept -> Size = 0;
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virtual auto render() -> Widget* final;
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virtual auto renderer(std::shared_ptr<Renderer>) -> Widget* final;
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virtual auto viewport(const SDL_Rect&) -> Widget* final;
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[[nodiscard]] virtual auto viewport() const -> const SDL_Rect& final;
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};
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}
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#endif
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