#include <QtOpenGL/QGLWidget>
#include <QTimer>
+class QPainter;
+class QPaintEvent;
class SigSession;
class SigView : public QGLWidget
Q_OBJECT
private:
+ static const double MaxScale;
+ static const double MinScale;
+
static const int SignalHeight;
+ static const int LabelMarginWidth;
+ static const int RulerHeight;
+
+ static const int MinorTickSubdivision;
+ static const int ScaleUnits[3];
+
+ static const QString SIPrefixes[9];
+ static const int FirstSIPrefixPower;
public:
explicit SigView(SigSession &session, QWidget *parent = 0);
+ void zoom(double steps);
+
protected:
void initializeGL();
void resizeGL(int width, int height);
- void paintGL();
+ void paintEvent(QPaintEvent *event);
private:
- void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
+ void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
+ void wheelEvent(QWheelEvent *event);
+
+private:
+ void setup_viewport(int width, int height);
+
+ void paint_ruler(QPainter &p);
+
+ void zoom(double steps, int offset);
private slots:
- void dataUpdated();
+ void data_updated();
private:
SigSession &_session;
- uint64_t _scale;
- int64_t _offset;
+ double _scale;
+ double _offset;
+
+ QPoint _mouse_down_point;
+ double _mouse_down_offset;
};
#endif // SIGVIEW_H