18 #ifndef _GAZEBO_VIEW_ANGLE_WIDGET_HH_    19 #define _GAZEBO_VIEW_ANGLE_WIDGET_HH_    23 #include <ignition/math/Vector3.hh>    32     class ViewAngleWidgetPrivate;
    68       public: 
void Add(
const Mode _mode, QAction *_action);
    71       private slots: 
void OnTopView();
    74       private slots: 
void OnBottomView();
    77       private slots: 
void OnFrontView();
    80       private slots: 
void OnBackView();
    83       private slots: 
void OnLeftView();
    86       private slots: 
void OnRightView();
    89       private slots: 
void OnResetView();
    93       private slots: 
void OnProjection(
int _index);
    96       private slots: 
void OnOrtho();
    99       private slots: 
void OnPerspective();
   107       private: 
void LookDirection(
const ignition::math::Vector3d &_dir);
   111       private: ViewAngleWidgetPrivate *dataPtr;
 Forward declarations for the common classes. 
Definition: Animation.hh:33