NazaraEngine/include/Nazara/Widgets/Canvas.hpp

110 lines
4.7 KiB
C++

// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Widgets module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_WIDGETS_CANVAS_HPP
#define NAZARA_WIDGETS_CANVAS_HPP
#include <Nazara/Platform/CursorController.hpp>
#include <Nazara/Platform/WindowEventHandler.hpp>
#include <Nazara/Widgets/BaseWidget.hpp>
#include <entt/entity/registry.hpp>
#include <bitset>
namespace Nz
{
class NAZARA_WIDGETS_API Canvas : public BaseWidget
{
friend BaseWidget;
public:
Canvas(entt::registry& registry, WindowEventHandler& eventHandler, CursorControllerHandle cursorController, UInt32 renderMask, int initialRenderLayer = 0);
Canvas(const Canvas&) = delete;
Canvas(Canvas&&) = delete;
inline ~Canvas();
inline entt::registry& GetRegistry();
inline const entt::registry& GetRegistry() const;
inline UInt32 GetRenderMask() const;
Canvas& operator=(const Canvas&) = delete;
Canvas& operator=(Canvas&&) = delete;
NazaraSignal(OnUnhandledMouseButtonPressed, const WindowEventHandler* /*eventHandler*/, const WindowEvent::MouseButtonEvent& /*event*/);
NazaraSignal(OnUnhandledMouseButtonReleased, const WindowEventHandler* /*eventHandler*/, const WindowEvent::MouseButtonEvent& /*event*/);
NazaraSignal(OnUnhandledMouseMoved, const WindowEventHandler* /*eventHandler*/, const WindowEvent::MouseMoveEvent& /*event*/);
NazaraSignal(OnUnhandledMouseWheelMoved, const WindowEventHandler* /*eventHandler*/, const WindowEvent::MouseWheelEvent& /*event*/);
NazaraSignal(OnUnhandledKeyPressed, const WindowEventHandler* /*eventHandler*/, const WindowEvent::KeyEvent& /*event*/);
NazaraSignal(OnUnhandledKeyReleased, const WindowEventHandler* /*eventHandler*/, const WindowEvent::KeyEvent& /*event*/);
protected:
inline void ClearKeyboardOwner(std::size_t canvasIndex);
inline void ClearMouseOwner(std::size_t canvasIndex);
inline bool IsKeyboardOwner(std::size_t canvasIndex) const;
inline bool IsMouseOwner(std::size_t canvasIndex) const;
inline std::size_t GetMouseEventTarget() const;
inline void NotifyWidgetBoxUpdate(std::size_t index);
inline void NotifyWidgetCursorUpdate(std::size_t index);
std::size_t RegisterWidget(BaseWidget* widget);
inline void SetKeyboardOwner(std::size_t canvasIndex);
inline void SetMouseOwner(std::size_t canvasIndex);
void UnregisterWidget(std::size_t index);
private:
template<typename F> bool DispatchEvent(std::size_t widgetIndex, F&& functor);
void OnEventMouseButtonPressed(const WindowEventHandler* eventHandler, const WindowEvent::MouseButtonEvent& event);
void OnEventMouseButtonRelease(const WindowEventHandler* eventHandler, const WindowEvent::MouseButtonEvent& event);
void OnEventMouseEntered(const WindowEventHandler* eventHandler);
void OnEventMouseLeft(const WindowEventHandler* eventHandler);
void OnEventMouseMoved(const WindowEventHandler* eventHandler, const WindowEvent::MouseMoveEvent& event);
void OnEventMouseWheelMoved(const WindowEventHandler* eventHandler, const WindowEvent::MouseWheelEvent& event);
void OnEventKeyPressed(const WindowEventHandler* eventHandler, const WindowEvent::KeyEvent& event);
void OnEventKeyReleased(const WindowEventHandler* eventHandler, const WindowEvent::KeyEvent& event);
void OnEventTextEntered(const WindowEventHandler* eventHandler, const WindowEvent::TextEvent& event);
void OnEventTextEdited(const WindowEventHandler* eventHandler, const WindowEvent::EditEvent& event);
void UpdateHoveredWidget(int x, int y);
struct WidgetEntry
{
BaseWidget* widget;
Boxf box;
SystemCursor cursor;
};
NazaraSlot(WindowEventHandler, OnKeyPressed, m_keyPressedSlot);
NazaraSlot(WindowEventHandler, OnKeyReleased, m_keyReleasedSlot);
NazaraSlot(WindowEventHandler, OnMouseButtonPressed, m_mouseButtonPressedSlot);
NazaraSlot(WindowEventHandler, OnMouseButtonReleased, m_mouseButtonReleasedSlot);
NazaraSlot(WindowEventHandler, OnMouseEntered, m_mouseEnteredSlot);
NazaraSlot(WindowEventHandler, OnMouseLeft, m_mouseLeftSlot);
NazaraSlot(WindowEventHandler, OnMouseMoved, m_mouseMovedSlot);
NazaraSlot(WindowEventHandler, OnMouseWheelMoved, m_mouseWheelMovedSlot);
NazaraSlot(WindowEventHandler, OnTextEntered, m_textEnteredSlot);
NazaraSlot(WindowEventHandler, OnTextEdited, m_textEditedSlot);
CursorControllerHandle m_cursorController;
UInt32 m_renderMask;
std::bitset<Mouse::ButtonCount> m_mouseOwnerButtons;
std::size_t m_keyboardOwner;
std::size_t m_hoveredWidget;
std::size_t m_mouseOwner;
std::vector<WidgetEntry> m_widgetEntries;
entt::registry& m_registry;
};
}
#include <Nazara/Widgets/Canvas.inl>
#endif // NAZARA_WIDGETS_CANVAS_HPP