List.hpp

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#pragma once

#include <etk/types.hpp>
#include <etk/Color.hpp>
#include <ewol/debug.hpp>
#include <ewol/widget/WidgetScrolled.hpp>
#include <ewol/compositing/Compositing.hpp>

namespace ewol {
    namespace widget {
        class List;
        using ListShared = ememory::SharedPtr<ewol::widget::List>;
        using ListWeak = ememory::WeakPtr<ewol::widget::List>;
        class List : public ewol::widget::WidgetScrolled {
            protected:
                List();
            public:
                virtual ~List();
                void calculateMinMaxSize() override;
                void setLabel(std::string _newLabel);
            // drawing capabilities ....
            private:
                std::vector<ewol::Compositing*> m_listOObject;   
                std::vector<ivec2 > m_lineSize;
            public:
                void addOObject(ewol::Compositing* _newObject, int32_t _pos=-1);
                void clearOObjectList();
            // list properties ...
            private:
                int32_t m_paddingSizeX;
                int32_t m_paddingSizeY;
                int32_t m_displayStartRaw; 
                int32_t m_displayCurrentNbLine; 
                int32_t m_nbVisibleRaw; // set the number of visible raw (calculate don display)
            protected:
                // function call to display the list :
                virtual etk::Color<> getBasicBG() {
                    return etk::Color<>(0xFF, 0xFF, 0xFF, 0xFF);
                }
                virtual uint32_t getNuberOfColomn() {
                    return 1;
                };
                virtual bool getTitle(int32_t _colomn, std::string& _myTitle, etk::Color<> &_fg, etk::Color<> &_bg) {
                    _myTitle = "";
                    return false;
                };
                virtual uint32_t getNuberOfRaw() {
                    return 0;
                };
                virtual bool getElement(int32_t _colomn, int32_t _raw, std::string &_myTextToWrite, etk::Color<> &_fg, etk::Color<> &_bg) {
                    _myTextToWrite = "";
                    _bg = etk::Color<>(0xFF, 0xFF, 0xFF, 0xFF);
                    _fg = etk::Color<>(0x00, 0x00, 0x00, 0xFF);
                    if (_raw % 2) {
                        _bg = etk::Color<>(0xFF, 0xFF, 0xFF, 0xFF);
                    } else {
                        _bg = etk::Color<>(0x7F, 0x7F, 0x7F, 0xFF);
                    }
                    return false;
                };
                virtual bool onItemEvent(int32_t _IdInput, enum gale::key::status _typeEvent, int32_t _colomn, int32_t _raw, float _x, float _y) {
                    return false;
                }
                void setRawVisible(int32_t _id);
            protected:
                void onGetFocus() override;
                void onLostFocus() override;
                void onDraw() override;
            public:
                void onRegenerateDisplay() override;
                bool onEventInput(const ewol::event::Input& _event) override;
        };
    };
};