Panel.hpp

//
// TGUI - Texus's Graphical User Interface
// Copyright (C) 2012-2015 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//


#ifndef TGUI_PANEL_HPP
#define TGUI_PANEL_HPP


#include <TGUI/Container.hpp>


namespace tgui
{
    class TGUI_API Panel : public Container
    {
      public:

        typedef SharedWidgetPtr<Panel> Ptr;


        Panel();


        Panel(const Panel& copy);


        virtual ~Panel();


        Panel& operator= (const Panel& right);


        // Makes a copy of the widget by calling the copy constructor.
        // This function calls new and if you use this function then you are responsible for calling delete.
        virtual Panel* clone();


        void setSize(float width, float height);


        virtual sf::Vector2f getSize() const;


        void setBackgroundTexture(sf::Texture *const texture = nullptr);


        sf::Texture* getBackgroundTexture();


        void setBackgroundColor(const sf::Color& backgroundColor);


        const sf::Color& getBackgroundColor() const;


        virtual void setTransparency(unsigned char transparency);


        virtual bool mouseOnWidget(float x, float y);

        virtual void leftMousePressed(float x, float y);

        virtual void leftMouseReleased(float x, float y);

        virtual void mouseMoved(float x, float y);


        // This function is a (slow) way to set properties on the widget, no matter what type it is.
        // When the requested property doesn't exist in the widget then the functions will return false.
        virtual bool setProperty(std::string property, const std::string& value);

        // This function is a (slow) way to get properties of the widget, no matter what type it is.
        // When the requested property doesn't exist in the widget then the functions will return false.
        virtual bool getProperty(std::string property, std::string& value) const;


        // Returns a list of all properties that can be used in setProperty and getProperty.
        // The second value in the pair is the type of the property (e.g. int, uint, string, ...).
        virtual std::list< std::pair<std::string, std::string> > getPropertyList() const;


      protected:

        // Draws the widget on the render target.
        virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const;


      public:

        enum PanelCallbacks
        {
            LeftMousePressed = WidgetCallbacksCount * 1,      
            LeftMouseReleased = WidgetCallbacksCount * 2,     
            LeftMouseClicked = WidgetCallbacksCount * 4,      
            AllPanelCallbacks = WidgetCallbacksCount * 8 - 1, 
            PanelCallbacksCount = WidgetCallbacksCount * 8
        };


      protected:

        sf::Vector2f m_Size;

        sf::Color    m_BackgroundColor;

        sf::Texture* m_Texture;
        sf::Sprite   m_Sprite;



        friend class Container;

    };

}


#endif // TGUI_PANEL_HPP