tbx_interface_textbox.hpp

#ifndef TurtleBrainsExpress_InterfaceTextbox_hpp
#define TurtleBrainsExpress_InterfaceTextbox_hpp

#include <turtle_brains/express/interface/tbx_interface.hpp>
#include <turtle_brains/express/interface/tbx_interface_element.hpp>
#include <turtle_brains/graphics/tb_text.hpp>

#include <functional>

namespace TurtleBrainsExpress
{
    namespace Interface
    {
        namespace Unstable
        {
            class InterfaceHandlerInterface;

            class Textbox : public Element
            {
            public:
                Textbox(const tbCore::tbString& textString = "");
                virtual ~Textbox(void) = 0;

                const tbCore::tbString& GetTextString(void) const;
                void SetTextString(const tbCore::tbString& textString);
                void SetMaximumLength(tbCore::uint16 maximumLength);
                void SetAlphaNumeric(const bool isAlphaNumeric);

            protected:
                virtual void OnHandleUserEvent(const UserEvent& userEvent) override;
                virtual void OnHandleActiveUserEvent(const UserEvent& userEvent) override;
                virtual void OnActivate(void) override;
                virtual void OnStateChange(const State& newState) override;

                virtual void OnStringChange(const tbCore::tbString& newString) = 0;

            private:
                tbCore::tbString mTextString;
                tbCore::uint16 mMaximumLength;
                bool mIsAlphaNumeric;
            };

            class SimpleTextbox : public Textbox
            {
            public:
                SimpleTextbox(const tbGraphics::PixelSpace& width, const tbGraphics::PixelSpace& height);
                virtual ~SimpleTextbox(void);

            protected:
                virtual void OnStringChange(const tbCore::tbString& newString) override;

            private:
                tbGraphics::Text mText;
            };

        };
    }; /* namespace Interface */
}; /* namespace TurtleBrainsExpress */

namespace tbxInterface = TurtleBrainsExpress::Interface;

#endif /* TurtleBrainsExpress_InterfaceTextbox_hpp */