GUIConfirm.h

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#ifndef GUICONFIRM_H_
#define GUICONFIRM_H_

#include "GUIInput.h"
#include "GUIButton.h"
#include "GUIFrame.h"

template<class T>
class CGUIConfirm: public CGUIFrame {
public:
        CGUIConfirm();
        virtual ~CGUIConfirm();

        void setConfirmMessage(string message);
        void setCallbackInstance(T* _instance) {
                m_instance = _instance;
        }
        ;
        void setResultCallback(void(T::*_func)(bool)) {
                m_funcResult = _func;
        }
        ;

        void setCallback(T* _instance, void(T::*_func)(bool)) {
                setCallbackInstance(_instance);
                setResultCallback(_func);
        }

        virtual void initChilds();
        virtual void centered();

protected:

        void onConfirm();
        void onCancel();

        T* m_instance;
        void (T::*m_funcResult)(bool);

};

template<class T>
CGUIConfirm<T>::CGUIConfirm() {
        // TODO Auto-generated constructor stub
        m_instance = NULL;
        m_funcResult = NULL;
}

template<class T>
CGUIConfirm<T>::~CGUIConfirm() {
        // TODO Auto-generated destructor stub
}

template<class T>
void CGUIConfirm<T>::initChilds() {
        CGUILabel* text = new CGUILabel();
        text->setColor(200, 200, 200, 255);

        CGUIButton<CGUIConfirm> *buttonOK = new CGUIButton<CGUIConfirm> (this);
        buttonOK->setMouseDownCallback(&CGUIConfirm::onConfirm);
        buttonOK->setString("OK");
        buttonOK->setDimension(25, 14);

        CGUIButton<CGUIConfirm> *buttonCancel = new CGUIButton<CGUIConfirm> (this);
        buttonCancel->setMouseDownCallback(&CGUIConfirm::onCancel);
        buttonCancel->setString("CANCEL");
        buttonCancel->setDimension(50, 14);

        this->addChild(text);
        this->addChild(buttonOK);
        this->addChild(buttonCancel);
}

template<class T>
void CGUIConfirm<T>::onCancel() {

        bool m_result = false;

        if (m_instance != NULL && m_funcResult != NULL) {
                (m_instance->*m_funcResult)(m_result);
        }

}

template<class T>
void CGUIConfirm<T>::onConfirm() {

        bool m_result = true;

        if (m_instance != NULL && m_funcResult != NULL) {
                (m_instance->*m_funcResult)(m_result);
        }

}

template<class T>
void CGUIConfirm<T>::setConfirmMessage(string message) {
        CGUIElement* element = NULL;
        if ((element = getChild(0)) != NULL) {
                element->setString(message);
        }
}

template<class T>
void CGUIConfirm<T>::centered() {

        GLint viewport[4];                                              // informace o viewportu
        glGetIntegerv(GL_VIEWPORT, viewport);   // ziskame informace o VP

        GLfloat positionX = (viewport[2] / 2) - (this->getWidth() / 2);
        GLfloat positionY = (viewport[3] / 2) - (this->getHeight() / 2);

        setPosition(positionX, positionY);

        CGUIElement* curr = NULL;

        for( int i = 1; i < size(); i++ ){
                if( ( curr = getChild(i) ) != NULL ){
                        GLfloat px = positionX + (getWidth()/2) - curr->getWidth() / 2 ;
                        curr->setPositionX( px );
                }
        }
/*
        CGUIElement* buttonOK = getChild(1);
        CGUIElement* buttonCancel = getChild(2);

        if(buttonOK != NULL){
                GLfloat px = positionX + (getWidth()/2) - buttonOK->getWidth() / 2 ;
                buttonOK->setPositionX( px );
        }

        if(buttonCancel != NULL){
                GLfloat px = positionX + (getWidth()/2) - buttonCancel->getWidth() / 2;
                buttonCancel->setPositionX( px );
        }*/

}

#endif /* GUICONFIRM_H_ */

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