#ifndef SIGVIEW_H
#define SIGVIEW_H
-#include <QtOpenGL/QGLWidget>
-#include <QTimer>
+#include <stdint.h>
+
+#include <QAbstractScrollArea>
-class QPainter;
-class QPaintEvent;
class SigSession;
+class SigViewport;
-class SigView : public QGLWidget
-{
+class SigView : public QAbstractScrollArea {
Q_OBJECT
private:
- static const int SignalHeight;
+ static const double MaxScale;
+ static const double MinScale;
+
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);
-protected:
-
- void initializeGL();
+ double scale() const;
+ double offset() const;
+ int v_offset() const;
- void resizeGL(int width, int height);
+ void zoom(double steps);
- void paintEvent(QPaintEvent *event);
+ void set_scale_offset(double scale, double offset);
private:
- void mousePressEvent(QMouseEvent *event);
- void mouseMoveEvent(QMouseEvent *event);
- void mouseReleaseEvent(QMouseEvent *event);
- void wheelEvent(QWheelEvent *event);
+ void update_scroll();
+
+ void zoom(double steps, int offset);
private:
- void setup_viewport(int width, int height);
+ bool viewportEvent(QEvent *e);
- void paint_ruler(QPainter &p);
+ void resizeEvent(QResizeEvent *e);
private slots:
+ void h_scroll_value_changed(int value);
+ void v_scroll_value_changed(int value);
+
void data_updated();
private:
SigSession &_session;
+ SigViewport *_viewport;
+
+ uint64_t _data_length;
+
double _scale;
double _offset;
- QPoint _mouse_down_point;
- double _mouse_down_offset;
+ int _v_offset;
+
+ friend class SigViewport;
};
#endif // SIGVIEW_H