X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=sigview.h;h=3630d17e572cfe074a893d7463370d0af4148a3e;hp=318104b9385639f499b4d9e8fbdbeddf2333e04f;hb=ecda6ca9b83e5ed9988c64ed9fc4e4a33b8a5457;hpb=6fa02541c670ebdd8a1985a29aba798823469f64

diff --git a/sigview.h b/sigview.h
index 318104b9..3630d17e 100644
--- a/sigview.h
+++ b/sigview.h
@@ -21,18 +21,68 @@
 #ifndef SIGVIEW_H
 #define SIGVIEW_H
 
-#include <QAbstractScrollArea>
+#include <QtOpenGL/QGLWidget>
+#include <QTimer>
 
-class SigView : public QAbstractScrollArea
+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);
-	
-signals:
-	
-public slots:
-	
+	explicit SigView(SigSession &session, QWidget *parent = 0);
+
+	void zoom(double steps);
+
+protected:
+
+	void initializeGL();
+
+	void resizeGL(int width, int height);
+
+	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;
+
+	QPoint _mouse_down_point;
+	double _mouse_down_offset;
 };
 
 #endif // SIGVIEW_H