X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=sigview.h;h=aae9e67e37c7d4fb4b837989df63ade658f62709;hp=34eeb95993e8f27eb1878db4b449595daed6684f;hb=7ae275942e8efbe25df311fecbf3c2a4cb9b0cfe;hpb=438440ea9d4631a18b5fa95b0aefec9894c39c9b

diff --git a/sigview.h b/sigview.h
index 34eeb959..aae9e67e 100644
--- a/sigview.h
+++ b/sigview.h
@@ -33,6 +33,9 @@ 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;
@@ -55,23 +58,27 @@ protected:
 	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 setupViewport(int width, int height);
+	void setup_viewport(int width, int height);
 
-	void paintRuler(QPainter &p);
+	void paint_ruler(QPainter &p);
 
 private slots:
-	void dataUpdated();
+	void data_updated();
 
 private:
 	SigSession &_session;
 
 	double _scale;
 	double _offset;
+
+	QPoint _mouse_down_point;
+	double _mouse_down_offset;
 };
 
 #endif // SIGVIEW_H