X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=042fa96bb5aa4db9e52aa018090ff325d9afd80f;hb=b3f22de060b73f15ad3eb2dabee04a0b4f5d947e;hp=ad607b5ac8ba517cc1ecbc5236c43411e0fb3d5f;hpb=1d8dca913d07df3a53184e40246eb2e333520e31;p=pulseview.git

diff --git a/pv/view/view.h b/pv/view/view.h
index ad607b5..042fa96 100644
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
  *
  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
  *
@@ -31,6 +31,7 @@ namespace pv {
 namespace view {
 
 class Header;
+class Ruler;
 class Viewport;
 
 class View : public QAbstractScrollArea {
@@ -43,6 +44,8 @@ private:
 	static const int LabelMarginWidth;
 	static const int RulerHeight;
 
+	static const int MaxScrollValue;
+
 public:
 	static const int SignalHeight;
 
@@ -56,14 +59,15 @@ public:
 	int v_offset() const;
 
 	void zoom(double steps);
+	void zoom(double steps, int offset);
 
 	void set_scale_offset(double scale, double offset);
 
 private:
+	void get_scroll_layout(double &length, double &offset) const;
+	
 	void update_scroll();
 
-	void zoom(double steps, int offset);
-
 private:
 	bool viewportEvent(QEvent *e);
 
@@ -79,6 +83,7 @@ private:
 	SigSession &_session;
 
 	Viewport *_viewport;
+	Ruler *_ruler;
 	Header *_header;
 
 	uint64_t _data_length;
@@ -87,8 +92,6 @@ private:
 	double _offset;
 
 	int _v_offset;
-
-	friend class Viewport;
 };
 
 } // namespace view