#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(QWidget *parent = 0);
+ explicit SigView(SigSession &session, QWidget *parent = 0);
+
+ void zoom(double steps);
protected:
void resizeGL(int width, int height);
- void paintGL();
+ void paintEvent(QPaintEvent *event);
+
+private:
+ 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 data_updated();
+
+private:
+ SigSession &_session;
+
+ double _scale;
+ double _offset;
-signals:
-
-public slots:
-
+ QPoint _mouse_down_point;
+ double _mouse_down_offset;
};
#endif // SIGVIEW_H