Add initial scrolling support with a QAbstractScrollArea

[pulseview.git] / sigview.h

diff --git a/sigview.h b/sigview.h
index ccbc8c84eb78d8e944bff478b00cfdcc68fc55e4..cc7b78af35fa410a4775907a4d7cb3b996996daa 100644 (file)
--- a/sigview.h
+++ b/sigview.h
@@ -21,42 +21,63 @@
 #ifndef SIGVIEW_H
 #define SIGVIEW_H
 
-#include <QtOpenGL/QGLWidget>
-#include <QTimer>
+#include <stdint.h>
+
+#include <QAbstractScrollArea>
 
 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;
 
 public:
        explicit SigView(SigSession &session, QWidget *parent = 0);
 
-protected:
+       double scale() const;
+       double offset() const;
+       int v_offset() const;
 
-       void initializeGL();
+       void zoom(double steps);
 
-       void resizeGL(int width, int height);
+       void set_scale_offset(double scale, double offset);
 
-       void paintGL();
+private:
+       void update_scroll();
+
+       void zoom(double steps, int offset);
 
 private:
-       void mouseMoveEvent(QMouseEvent *event);
-       void mousePressEvent(QMouseEvent *event);
-       void mouseReleaseEvent(QMouseEvent *event);
+       bool viewportEvent(QEvent *e);
+
+       void resizeEvent(QResizeEvent *e);
 
 private slots:
-       void dataUpdated();
+       void h_scroll_value_changed(int value);
+       void v_scroll_value_changed(int value);
+
+       void data_updated();
 
 private:
        SigSession &_session;
 
-       uint64_t _scale;
-       int64_t _offset;
+       SigViewport *_viewport;
+
+       uint64_t _data_length;
+
+       double _scale;
+       double _offset;
+
+       int _v_offset;
+
+       friend class SigViewport;
 };
 
 #endif // SIGVIEW_H