From: Joel Holdsworth <redacted>
Date: Sun, 16 Nov 2014 19:47:13 +0000 (+0000)
Subject: RowItemOwner: Added depth() method
X-Git-Tag: pulseview-0.3.0~449
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=3e769a374963f37f7d52b65ef6c56bcdf1ef11fe;p=pulseview.git

RowItemOwner: Added depth() method
---

diff --git a/pv/view/rowitemowner.h b/pv/view/rowitemowner.h
index c2d38134..0fda9aa2 100644
--- a/pv/view/rowitemowner.h
+++ b/pv/view/rowitemowner.h
@@ -65,6 +65,11 @@ public:
 
 	virtual int owner_v_offset() const = 0;
 
+	/**
+	 * Returns the number of nested parents that this row item owner has.
+	 */
+	virtual unsigned int depth() const = 0;
+
 	/**
 	 * Returns a list of row items owned by this object.
 	 */
diff --git a/pv/view/tracegroup.cpp b/pv/view/tracegroup.cpp
index 05a72dda..3058cec5 100644
--- a/pv/view/tracegroup.cpp
+++ b/pv/view/tracegroup.cpp
@@ -155,6 +155,11 @@ int TraceGroup::owner_v_offset() const
 	return _owner ? layout_v_offset() + _owner->owner_v_offset() : 0;
 }
 
+unsigned int TraceGroup::depth() const
+{
+	return _owner ? _owner->depth() + 1 : 0;
+}
+
 void TraceGroup::on_ungroup()
 {
 	const vector< shared_ptr<RowItem> > items(
diff --git a/pv/view/tracegroup.h b/pv/view/tracegroup.h
index 218f42b1..a950eac9 100644
--- a/pv/view/tracegroup.h
+++ b/pv/view/tracegroup.h
@@ -110,6 +110,11 @@ public:
 	 */
 	int owner_v_offset() const;
 
+	/**
+	 * Returns the number of nested parents that this row item owner has.
+	 */
+	unsigned int depth() const;
+
 public:
 	void appearance_changed(bool label, bool content);
 
diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index d8925c1a..ba095fb8 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -186,6 +186,11 @@ int View::owner_v_offset() const
 	return -_v_offset;
 }
 
+unsigned int View::depth() const
+{
+	return 0;
+}
+
 void View::zoom(double steps)
 {
 	zoom(steps, _viewport->width() / 2);
diff --git a/pv/view/view.h b/pv/view/view.h
index 71a38f11..2f746297 100644
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -99,6 +99,11 @@ public:
 	double offset() const;
 	int owner_v_offset() const;
 
+	/**
+	 * Returns the number of nested parents that this row item owner has.
+	 */
+	unsigned int depth() const;
+
 	void zoom(double steps);
 	void zoom(double steps, int offset);