X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Ftracegroup.h;h=d24647649a95a30755a1d80a7bc75010d7e1ea30;hb=8dbbc7f0b9ea59d0f0d62225772f8a56eee125f5;hp=0d246cee3c05471c88dbe4f99425eafcea395230;hpb=0067d80499d36944277e6fed2d7ad5394c85c03f;p=pulseview.git

diff --git a/pv/view/tracegroup.h b/pv/view/tracegroup.h
index 0d246ce..d246476 100644
--- a/pv/view/tracegroup.h
+++ b/pv/view/tracegroup.h
@@ -31,6 +31,12 @@ class TraceGroup : public RowItem, public RowItemOwner
 {
 	Q_OBJECT
 
+private:
+	static const int Padding;
+	static const int Width;
+	static const int LineThickness;
+	static const QColor LineColour;
+
 public:
 	/**
 	 * Virtual destructor
@@ -62,6 +68,12 @@ public:
 	 */
 	virtual const pv::view::View* view() const;
 
+	/**
+	 * Computes the vertical extents of the contents of this row item.
+	 * @return A pair containing the minimum and maximum y-values.
+	 */
+	std::pair<int, int> v_extents() const;
+
 	/**
 	 * Paints the signal label.
 	 * @param p the QPainter to paint into.
@@ -96,9 +108,24 @@ public:
 	/**
 	 * Returns the total vertical offset of this trace and all it's owners
 	 */
-	int owner_v_offset() const;
+	int owner_visual_v_offset() const;
+
+	void restack_items();
+
+	/**
+	 * Returns the number of nested parents that this row item owner has.
+	 */
+	unsigned int depth() const;
+
+	void ungroup();
+
+public:
+	void appearance_changed(bool label, bool content);
+
+	void extents_changed(bool horz, bool vert);
 
-	void update_viewport();
+private Q_SLOTS:
+	void on_ungroup();
 };
 
 } // view