36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
#ifndef BWIDGETS_WIDGET_IMPL_HPP
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#define BWIDGETS_WIDGET_IMPL_HPP
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#include <basic_widgets/w/base/widget.hpp>
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#include <basic_widgets/w/feat/event_handler_impl.hpp>
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namespace bwidgets
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{
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class WidgetImpl : public virtual Widget,
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public virtual EventHandlerImpl
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{
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public:
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void render() override;
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void renderer(std::shared_ptr<Renderer>) override;
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void viewport(const SDL_Rect&) override;
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[[nodiscard]] auto viewport() const -> const SDL_Rect& override;
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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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// Area actually used by the widget.
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SDL_Rect _widget_area {0, 0, 0, 0};
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using Widget::Widget;
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// Called on viewport change.
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virtual void _handle_geometry_change(const SDL_Rect&) = 0;
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// Called on renderer change.
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virtual void _handle_renderer_change(const std::shared_ptr<Renderer>&) {}
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// Called on rendering.
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virtual void _handle_rendering() = 0;
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};
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}
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#endif
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