X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=ac2835a49cb4b6157075741d436c6708bd165727;hb=e2f5223b74da179688de92146a2716209b42bdb0;hp=0413b3d79820c6174aa421d4d89c57d80c58c4cb;hpb=17c0f398438df75dc5547d630e7d334e5de3c66a;p=pulseview.git

diff --git a/pv/view/view.h b/pv/view/view.h
index 0413b3d7..ac2835a4 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>
  *
@@ -18,16 +18,17 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PV_VIEW_VIEW_H
-#define PV_VIEW_VIEW_H
+#ifndef PULSEVIEW_PV_VIEW_VIEW_H
+#define PULSEVIEW_PV_VIEW_VIEW_H
 
 #include <stdint.h>
 
 #include <QAbstractScrollArea>
 
+namespace pv {
+
 class SigSession;
 
-namespace pv {
 namespace view {
 
 class Header;
@@ -44,6 +45,8 @@ private:
 	static const int LabelMarginWidth;
 	static const int RulerHeight;
 
+	static const int MaxScrollValue;
+
 public:
 	static const int SignalHeight;
 
@@ -52,24 +55,47 @@ public:
 
 	SigSession& session();
 
+	/**
+	 * Returns the view time scale in seconds per pixel.
+	 */
 	double scale() const;
+
+	/**
+	 * Returns the time offset of the left edge of the view in
+	 * seconds.
+	 */
 	double offset() const;
 	int v_offset() const;
 
 	void zoom(double steps);
 	void zoom(double steps, int offset);
 
+	/**
+	 * Sets the scale and offset.
+	 * @param scale The new view scale in seconds per pixel.
+	 * @param offset The view time offset in seconds.
+	 */
 	void set_scale_offset(double scale, double offset);
 
+	const QPoint& hover_point() const;
+
+signals:
+	void hover_point_changed();
+
 private:
+	void get_scroll_layout(double &length, double &offset) const;
+	
 	void update_scroll();
 
 private:
+	bool eventFilter(QObject *object, QEvent *event);
+
 	bool viewportEvent(QEvent *e);
 
 	void resizeEvent(QResizeEvent *e);
 
 private slots:
+
 	void h_scroll_value_changed(int value);
 	void v_scroll_value_changed(int value);
 
@@ -84,15 +110,18 @@ private:
 
 	uint64_t _data_length;
 
+	/// The view time scale in seconds per pixel.
 	double _scale;
+
+	/// The view time offset in seconds.
 	double _offset;
 
 	int _v_offset;
 
-	friend class Viewport;
+	QPoint _hover_point;
 };
 
 } // namespace view
 } // namespace pv
 
-#endif // PV_VIEW_VIEW_H
+#endif // PULSEVIEW_PV_VIEW_VIEW_H