interactionMode.h

Go to the documentation of this file.

#ifndef BALL_VIEW_KERNEL_MODES_INTERACTIONMODE_H
#define BALL_VIEW_KERNEL_MODES_INTERACTIONMODE_H

#include <BALL/COMMON/global.h>

#include <QtCore/QPoint>
#include <QtCore/QSize>
#include <QtCore/QObject>

class QAction;
class QKeyEvent;
class QMouseEvent;
class QWheelEvent;
class QToolBar;
class QMenu;

namespace BALL
{
  namespace VIEW
  {
    class Scene;
    class MainControl;

    class BALL_VIEW_EXPORT InteractionMode : public QObject
    {
      Q_OBJECT

      public:
        InteractionMode(Scene* scene);

        virtual ~InteractionMode();
        virtual void keyPressEvent(QKeyEvent* evt);
        virtual void keyReleaseEvent(QKeyEvent* evt);

        virtual void mouseDoubleClickEvent(QMouseEvent* evt);
        void mouseMoveEvent(QMouseEvent* evt);
        void mousePressEvent(QMouseEvent* evt);
        void mouseReleaseEvent(QMouseEvent* evt);

        virtual void wheelEvent(QWheelEvent* evt);

        virtual void addToolBarEntries(QToolBar* tb);
        virtual void populateContextMenu(QMenu*) {};

        virtual Qt::Key getKey() const = 0;
        virtual QString getName() const = 0;

        virtual void deactivate();
        virtual void activate();

        void setMouseSensitivity(float sens);

        QAction* getMainAction();

        bool isCurrent() const { return is_current_; }
        void setCurrent(bool current) { is_current_ = current; }

      signals:
        void requestModeChange(InteractionMode* mode);
      protected slots:
        void modeChangeSlot_();

      protected:
        Scene* scene_;
        QPoint mouse_pos_old_;
        QPoint mouse_pos_new_;
        QSize desktop_size_;
        float mouse_sensitivity_;
        float mouse_wheel_sensitivity_;
        QAction* main_action_;
        bool is_current_;

        virtual void mouseMoveEventImpl_   (QMouseEvent* evt);
        virtual void mousePressEventImpl_  (QMouseEvent* evt);
        virtual void mouseReleaseEventImpl_(QMouseEvent* evt);

        float getXDiff_() const;
        float getYDiff_() const;
        void zoomSystem_();
    };

  }
}

#endif //BALL_VIEW_KERNEL_MODES_INTERACTIONMODE_H