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QGLViewerWidget.hh
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* OpenMesh *
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#ifndef OPENMESHAPPS_QGLVIEWERWIDGET_HH
#define OPENMESHAPPS_QGLVIEWERWIDGET_HH
//== INCLUDES =================================================================
#include <OpenMesh/Core/Geometry/VectorT.hh>
#include <string>
#include <vector>
#include <map>
#if QT_VERSION_MAJOR < 6
#include <QGLWidget>
#else
#include <QtOpenGLWidgets/QOpenGLWidget>
#endif
#ifndef __APPLE__
#include <GL/gl.h>
#endif
//== FORWARD DECLARATIONS =====================================================
class QMenu;
class QActionGroup;
class QAction;
//== CLASS DEFINITION =========================================================
#if QT_VERSION_MAJOR < 6
class QGLViewerWidget : public QGLWidget
#else
class QGLViewerWidget : public QOpenGLWidget
#endif
{
Q_OBJECT
public:
#if QT_VERSION_MAJOR < 6
typedef QGLWidget Super;
#else
typedef QOpenGLWidget Super;
#endif
// Default constructor.
explicit QGLViewerWidget( QWidget* _parent=0 );
// Destructor.
virtual ~QGLViewerWidget();
private:
void init(void);
public:
#if QT_VERSION_MAJOR > 5
/* Updates the gui - used to provide backwards compability */
void updateGL();
#endif
/* Sets the center and size of the whole scene.
The _center is used as fixpoint for rotations and for adjusting
the camera/viewer (see view_all()). */
void set_scene_pos( const OpenMesh::Vec3f& _center, float _radius );
/* view the whole scene: the eye point is moved far enough from the
center so that the whole scene is visible. */
void view_all();
QAction *add_draw_mode(const std::string& _s);
void del_draw_mode(const std::string& _s);
const std::string& current_draw_mode() const
{ return draw_mode_ ? draw_mode_names_[draw_mode_-1] : nomode_; }
float radius() const { return radius_; }
const OpenMesh::Vec3f& center() const { return center_; }
const GLdouble* modelview_matrix() const { return modelview_matrix_; }
const GLdouble* projection_matrix() const { return projection_matrix_; }
float fovy() const { return 45.0f; }
QAction* findAction(const char *name);
void addAction(QAction* action, const char* name);
void removeAction(const char* name);
void removeAction(QAction* action);
protected:
// draw the scene: will be called by the painGL() method.
virtual void draw_scene(const std::string& _draw_mode);
double performance(void);
void setDefaultMaterial(void);
void setDefaultLight(void);
private slots:
// popup menu clicked
void slotDrawMode(QAction *_mode);
void slotSnapshot( void );
private: // inherited
// initialize OpenGL states (triggered by Qt)
void initializeGL();
// draw the scene (triggered by Qt)
void paintGL();
// handle resize events (triggered by Qt)
void resizeGL( int w, int h );
protected:
// Qt mouse events
virtual void mousePressEvent( QMouseEvent* );
virtual void mouseReleaseEvent( QMouseEvent* );
virtual void mouseMoveEvent( QMouseEvent* );
virtual void wheelEvent( QWheelEvent* );
virtual void keyPressEvent( QKeyEvent* );
private:
// updates projection matrix
void update_projection_matrix();
// translate the scene and update modelview matrix
void translate(const OpenMesh::Vec3f& _trans);
// rotate the scene (around its center) and update modelview matrix
void rotate(const OpenMesh::Vec3f& _axis, float _angle);
OpenMesh::Vec3f center_;
float radius_;
GLdouble projection_matrix_[16],
modelview_matrix_[16];
// popup menu for draw mode selection
QMenu* popup_menu_;
QActionGroup* draw_modes_group_;
typedef std::map<QString,QAction*> ActionMap;
ActionMap names_to_actions;
unsigned int draw_mode_;
unsigned int n_draw_modes_;
std::vector<std::string> draw_mode_names_;
static std::string nomode_;
// virtual trackball: map 2D screen point to unit sphere
bool map_to_sphere(const QPoint& _point, OpenMesh::Vec3f& _result);
QPoint last_point_2D_;
OpenMesh::Vec3f last_point_3D_;
bool last_point_ok_;
};
//=============================================================================
#endif // OPENMESHAPPS_QGLVIEWERWIDGET_HH
//=============================================================================
OpenMesh::Vec3f
VectorT< float, 3 > Vec3f
3-float vector
Definition Vector11T.hh:851
QGLViewerWidget::add_draw_mode
QAction * add_draw_mode(const std::string &_s)
add draw mode to popup menu, and return the QAction created
Definition QGLViewerWidget.cc:650
QGLViewerWidget::del_draw_mode
void del_draw_mode(const std::string &_s)
delete draw mode from popup menu
Definition QGLViewerWidget.cc:717