ThymioScene.h

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#ifndef THYMIO_SCENE_H
#define THYMIO_SCENE_H

#include <QGraphicsScene>

#include "ThymioButtons.h"

namespace Aseba
{       
        class ThymioScene : public QGraphicsScene
        {
                Q_OBJECT
                
        public:
                ThymioScene(QObject *parent = 0);
                ~ThymioScene();
                
                QGraphicsItem *addAction(ThymioButton *item);
                QGraphicsItem *addEvent(ThymioButton *item);
                void addButtonSet(ThymioButton *event, ThymioButton *action);

                bool isEmpty() const;
                void reset();
                void clear();
                void setColorScheme(QColor eventColor, QColor actionColor);
                bool isModified() const { return sceneModified; }
                void setModified(bool mod) { sceneModified=mod; }
                void setScale(qreal scale);
                void setAdvanced(bool advanced);
                bool getAdvanced() const { return advancedMode; }
                int getNumberOfButtonSets() const { return buttonSets.size(); }
                
                QString getErrorMessage() const;
                QList<QString> getCode() const;
                
                bool isSuccessful() const { return  thymioCompiler.isSuccessful(); }
                int getFocusItemId() const;
                
                typedef QList<ThymioButtonSet *>::iterator ButtonSetItr;
                
                ButtonSetItr buttonsBegin() { return buttonSets.begin(); }
                ButtonSetItr buttonsEnd() { return buttonSets.end(); }
                
        signals:
                void stateChanged();
                
        private slots:
                void buttonUpdateDetected();
                
        protected:
                virtual void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
                virtual void dropEvent(QGraphicsSceneDragDropEvent *event);

                virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
                virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

        private:
                void removeButton(int row);
                void insertButton(int row);
                void rearrangeButtons(int row=0);
                
                ThymioButtonSet *createNewButtonSet();

                bool prevNewEventButton;
                bool prevNewActionButton;
                int lastFocus;
                
                QList<ThymioButtonSet *> buttonSets;
                ThymioCompiler thymioCompiler;
                
                QColor eventButtonColor;
                QColor actionButtonColor;
                // TODO: set this always through a function and emit a signal when it is changed, to update windows title (see issue 154)
                bool sceneModified;
                double scaleFactor;
                bool newRow;
                qreal buttonSetHeight;
                bool advancedMode;
        };
};

#endif