Platform: Add MessageBox

include/Nazara/Platform/MessageBox.hpp

@@ -0,0 +1,79 @@
+// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Platform module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_PLATFORM_MESSAGEBOX_HPP
+#define NAZARA_PLATFORM_MESSAGEBOX_HPP
+
+#include <NazaraUtils/Prerequisites.hpp>
+#include <Nazara/Core/Color.hpp>
+#include <Nazara/Platform/Config.hpp>
+#include <Nazara/Platform/Enums.hpp>
+#include <NazaraUtils/Result.hpp>
+#include <string>
+#include <vector>
+
+namespace Nz
+{
+	class Window;
+
+	class NAZARA_PLATFORM_API MessageBox
+	{
+		public:
+			struct ColorScheme;
+
+			inline MessageBox(MessageBoxType type, std::string title, std::string message);
+			MessageBox(const MessageBox&) = delete;
+			MessageBox(MessageBox&&) = delete;
+			~MessageBox() = default;
+
+			inline void AddButton(int id, std::string text, MessageBoxButtonRole role = MessageBoxButtonRole::None);
+			void AddButton(int id, MessageBoxStandardButton standardButton);
+
+			inline const ColorScheme* GetColorSchemeOverride() const;
+			inline const std::string& GetMessage() const;
+			inline const std::string& GetTitle() const;
+
+			inline void OverrideColorScheme(const ColorScheme& colorScheme);
+
+			inline void ResetColorScheme();
+
+			Result<int, const char*> Show(Window* parent = nullptr) const;
+
+			inline void UpdateMessage(std::string message);
+			inline void UpdateTitle(std::string title);
+			inline void UpdateType(MessageBoxType type);
+
+			MessageBox& operator=(const MessageBox&) = delete;
+			MessageBox& operator=(MessageBox&&) = delete;
+
+			struct ColorScheme
+			{
+				Color backgroundColor = Color::White();
+				Color textColor = Color::Black();
+				Color buttonBackgroundColor = Color::Gray();
+				Color buttonBorderColor = Color::Black();
+				Color buttonSelectedColor = Color::Blue();
+			};
+
+		private:
+			struct ButtonData
+			{
+				MessageBoxButtonRole role;
+				std::string text;
+				int buttonId;
+			};
+
+			std::optional<ColorScheme> m_colorSchemeOverride;
+			std::string m_message;
+			std::string m_title;
+			std::vector<ButtonData> m_buttons;
+			MessageBoxType m_type;
+	};
+}
+
+#include <Nazara/Platform/MessageBox.inl>
+
+#endif // NAZARA_PLATFORM_MESSAGEBOX_HPP