GUIListOption.h

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#ifndef _CGUILISTOPTION_
#define _CGUILISTOPTION_

#include "GUIElement.h"
#include "GUIList.h"

template<class Class, typename T>
class CGUIListOption: public CGUIElement {

public:

        CGUIListOption();

        void render();

        void setValue(int value) {
                m_value = value;
        }

        int getValue() const {
                return m_value;
        }

        void update() {
        }

        void active() {
                m_active = true;
        }

        void nonactive() {
                m_active = false;
        }

        bool isActive() {
                return m_active;
        }

        void setID(int id) {
                m_ID = id;
        }

        void mouseButtons(int button, int state, int x, int y);

        void setParent(Class* parent) {
                m_parent = parent;
        }

        void setParentOnActivated(void(Class::*func)(int)) {
                m_func = func;
        }

protected:

        T m_value;
        bool m_active;
        int m_ID;

        Color4f m_colorActive;
        Color4f m_colorTextActive;

        Class* m_parent;
        void (Class::*m_func)(int);

};

template<class C, typename T>
CGUIListOption<C, T>::CGUIListOption() {
        this->setDimension(96, 20);
        this->setBackgroundColor(50, 50, 50, 128);
        this->setBackgroundHoverColor(0, 0, 0, 128);
        this->setTextHoverColor(255, 255, 255, 255);

        m_colorActive.r = 1;
        m_colorActive.b = 1;
        m_colorActive.g = 1;
        m_colorActive.alpha = 0.5;

        this->m_active = false;

}

template<class C, typename T>
void CGUIListOption<C, T>::render() {

        CFontPrinter* fontPrinter = CFontPrinter::getInstance();
        fontPrinter->activeFont(this->getFontId());

        Color4f color;

        glPushMatrix();

        glTranslatef(getPositionX(), getPositionY(), 0);

        Color4f backgroundColor = this->getCurrentBackgroundColor();

        if (this->isActive()) {
                backgroundColor = m_colorActive;
        }

        glColor4f(backgroundColor.r, backgroundColor.g, backgroundColor.b,
                        backgroundColor.alpha);

        glBegin(GL_QUADS);
        glVertex2f(0, 0);
        glVertex2f(getWidth(), 0);
        glVertex2f(getWidth(), getHeight());
        glVertex2f(0, getHeight());
        glEnd();

        glPopMatrix();

        fontPrinter->print(getFontId(), getPositionX(), getPositionY(),
                        this->getCurrentTextColor(), this->getString());
}

template<class C, typename T>
void CGUIListOption<C, T>::mouseButtons(int button, int state, int x, int y) {
        if (this->isHover()) {
                if (button == GLUT_LEFT && state == GLUT_DOWN) {
                        if (m_parent != NULL && m_func != NULL) {
                                //cout << "CLICK on ID" << m_ID << " - " << getString() << endl;
                                (this->m_parent->*m_func)(m_ID);
                        }
                }
        }
}

#endif

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