125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#pragma once
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#ifndef NDK_BASEWIDGET_HPP
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#define NDK_BASEWIDGET_HPP
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#include <NDK/Prerequesites.hpp>
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#include <NDK/Entity.hpp>
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#include <NDK/EntityOwner.hpp>
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#include <NDK/World.hpp>
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#include <Nazara/Graphics/Sprite.hpp>
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#include <Nazara/Utility/Event.hpp>
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#include <Nazara/Utility/Mouse.hpp>
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#include <Nazara/Utility/Node.hpp>
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#include <limits>
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namespace Ndk
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{
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class Canvas;
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class NDK_API BaseWidget : public Nz::Node
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{
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friend Canvas;
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public:
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struct Padding;
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BaseWidget(BaseWidget* parent);
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BaseWidget(const BaseWidget&) = delete;
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BaseWidget(BaseWidget&&) = default;
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virtual ~BaseWidget();
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template<typename T, typename... Args> T* Add(Args&&... args);
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inline void AddChild(std::unique_ptr<BaseWidget>&& widget);
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inline void Center();
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inline void Destroy();
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void EnableBackground(bool enable);
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//virtual BaseWidget* Clone() const = 0;
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inline const Nz::Color& GetBackgroundColor() const;
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inline Canvas* GetCanvas();
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inline const Padding& GetPadding() const;
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inline Nz::Vector2f GetContentOrigin() const;
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inline const Nz::Vector2f& GetContentSize() const;
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inline Nz::Vector2f GetSize() const;
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inline bool IsVisible() const;
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void GrabKeyboard();
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virtual void ResizeToContent() = 0;
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void SetBackgroundColor(const Nz::Color& color);
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inline void SetContentSize(const Nz::Vector2f& size);
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inline void SetPadding(float left, float top, float right, float bottom);
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void SetSize(const Nz::Vector2f& size);
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void Show(bool show = true);
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BaseWidget& operator=(const BaseWidget&) = delete;
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BaseWidget& operator=(BaseWidget&&) = default;
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struct Padding
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{
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float left;
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float top;
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float right;
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float bottom;
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};
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protected:
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EntityHandle CreateEntity();
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void DestroyEntity(Entity* entity);
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virtual void Layout();
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void InvalidateNode() override;
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virtual void OnKeyPressed(const Nz::WindowEvent::KeyEvent& key);
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virtual void OnKeyReleased(const Nz::WindowEvent::KeyEvent& key);
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virtual void OnMouseEnter();
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virtual void OnMouseMoved(int x, int y, int deltaX, int deltaY);
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virtual void OnMouseButtonPress(int x, int y, Nz::Mouse::Button button);
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virtual void OnMouseButtonRelease(int x, int y, Nz::Mouse::Button button);
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virtual void OnMouseExit();
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virtual void OnParentResized(const Nz::Vector2f& newSize);
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virtual void OnTextEntered(char32_t character, bool repeated);
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private:
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inline BaseWidget();
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inline void DestroyChild(BaseWidget* widget);
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void DestroyChildren();
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inline bool IsRegisteredToCanvas() const;
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inline void NotifyParentResized(const Nz::Vector2f& newSize);
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void RegisterToCanvas();
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inline void UpdateCanvasIndex(std::size_t index);
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void UnregisterFromCanvas();
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static constexpr std::size_t InvalidCanvasIndex = std::numeric_limits<std::size_t>::max();
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std::size_t m_canvasIndex;
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std::vector<EntityOwner> m_entities;
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std::vector<std::unique_ptr<BaseWidget>> m_children;
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Canvas* m_canvas;
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EntityOwner m_backgroundEntity;
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Padding m_padding;
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WorldHandle m_world;
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Nz::Color m_backgroundColor;
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Nz::SpriteRef m_backgroundSprite;
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Nz::Vector2f m_contentSize;
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BaseWidget* m_widgetParent;
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bool m_visible;
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};
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}
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#include <NDK/BaseWidget.inl>
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#endif // NDK_BASEWIDGET_HPP
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