X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=sigview.h;h=3630d17e572cfe074a893d7463370d0af4148a3e;hp=d66898f4c0981b8f2a933cc425402e1251570fc5;hb=a8d3fb2df629023bb80b60cefb35c90b859206f8;hpb=1dd95c70180967864bd83d9679f3e9a6c2a4e383

diff --git a/sigview.h b/sigview.h
index d66898f4..3630d17e 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;
@@ -46,6 +49,8 @@ private:
 public:
 	explicit SigView(SigSession &session, QWidget *parent = 0);
 
+	void zoom(double steps);
+
 protected:
 
 	void initializeGL();
@@ -61,12 +66,14 @@ private:
 	void wheelEvent(QWheelEvent *event);
 
 private:
-	void setupViewport(int width, int height);
+	void setup_viewport(int width, int height);
+
+	void paint_ruler(QPainter &p);
 
-	void paintRuler(QPainter &p);
+	void zoom(double steps, int offset);
 
 private slots:
-	void dataUpdated();
+	void data_updated();
 
 private:
 	SigSession &_session;