Gui.h

#pragma once

enum button_states { BTN_IDLE = 0, BTN_HOVER, BTN_ACTIVE };


namespace gui
{
	const float p2pX(const float perc, const sf::VideoMode& vm);
	const float p2pY(const float perc, const sf::VideoMode& vm);

	const unsigned calcCharSize(const sf::VideoMode& vm, const unsigned modifier = 150.f);

	class Button
	{
	private:
		short unsigned buttonState;
		short unsigned id;

		sf::RectangleShape shape;
		sf::Font* font;
		sf::Text text;

		sf::Color textIdleColor;
		sf::Color textHoverColor;
		sf::Color textActiveColor;

		sf::Color idleColor;
		sf::Color hoverColor;
		sf::Color activeColor;

		sf::Color outlineIdleColor;
		sf::Color outlineHoverColor;
		sf::Color outlineActiveColor;
	public:
		Button(float x, float y, float width, float height,
			sf::Font* font, std::string text, unsigned character_size,
			sf::Color text_idle_color, sf::Color text_hover_color, sf::Color text_active_color,
			sf::Color idle_color, sf::Color hover_color, sf::Color active_color, 
			sf::Color outline_idle_color = sf::Color::Transparent, sf::Color outline_hover_color = sf::Color::Transparent, sf::Color outline_active_color = sf::Color::Transparent,
			short unsigned id = 0);
		~Button();

		//	Accessors
		const bool isPressed() const;
		const std::string getText() const;
		const short unsigned& getId() const;

		//	Modifiers
		void setText(const std::string text);
		void setId(const short unsigned id);

		//	Functions


		void update(const sf::Vector2i& mousePosWindow);
		void render(sf::RenderTarget& target);
	};

	class DropDownList {
	private:
		float keytime;
		float keytimeMax;
		sf::Font& font;
		gui::Button* activeElement;
		std::vector<gui::Button*> list;
		bool showList;

	public:
		DropDownList(
			float x, float y, float width, float height, 
			sf::Font& font, std::string list[], 
			unsigned nrOfElements, unsigned default_index = 0);
		~DropDownList();


		//	Accessors
		const unsigned short& getActiveElementId() const;
		const bool getKeytime();

		//	Functions
		void updateKeytime(const float& dt);
		void update(const sf::Vector2i& mousePosWindow, const float& dt);
		void render(sf::RenderTarget& target);
	};

	class TextureSelector {
	private:
		float keytime;
		const float keytimeMax;

		float gridSize;
		bool active = false;
		bool hidden;
		gui::Button* hide_btn;

		sf::RectangleShape bounds;
		sf::Sprite sheet;
		sf::Texture* textureSheet;
		sf::RectangleShape selector;
		sf::Vector2u mousePosGrid;
		sf::IntRect textureRect;

		

	public:
		TextureSelector(float x, float y, float width, float height, 
			float gridSize, const sf::Texture* texture_sheet, 
			sf::Font& font, std::string text);
		~TextureSelector();

		//	Accessors

		const bool& getActive();
		const sf::IntRect& getTextureRect() const;
		const bool getKeytime();

		//	Functions
		void updateKeytime(const float& dt);
		void update(const sf::Vector2i& mousePosWindow, const float& dt);
		void render(sf::RenderTarget& target);
	};

	class ProgressBar {
	private:
		std::string barString;
		sf::Text text;
		float maxWidth;
		int maxValue;
		sf::RectangleShape back;
		sf::RectangleShape inner;
	public:
		ProgressBar(
			float x, float y, float width, float height,
			int max_value, sf::Color innerColor, unsigned character_size, 
			sf::VideoMode& vm, sf::Font* font = NULL);

		~ProgressBar();

		//	Accessors

		//	Modifiers

		//	Functions
		void update(const int current_value);
		void render(sf::RenderTarget & target);
	};
}