X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fglobalsettings.hpp;h=ba0e28032b18ea995feab78928ede7f334995ad6;hb=87a97d8aa169936ec2dcd229df88b8c5b4a1411c;hp=b7457963da88e462cdaa1a2e8202f5ae2a919fb0;hpb=bf9f12687c8d43422455cbdc27ec1cc5d4305149;p=pulseview.git

diff --git a/pv/globalsettings.hpp b/pv/globalsettings.hpp
index b745796..ba0e280 100644
--- a/pv/globalsettings.hpp
+++ b/pv/globalsettings.hpp
@@ -36,6 +36,7 @@ class GlobalSettings : public QSettings
 public:
 	static const QString Key_View_AlwaysZoomToFit;
 	static const QString Key_View_ColouredBG;
+	static const QString Key_View_StickyScrolling;
 
 public:
 	GlobalSettings();
@@ -45,8 +46,29 @@ public:
 
 	void setValue(const QString& key, const QVariant& value);
 
+	/**
+	 * Begins the tracking of changes. All changes will
+	 * be recorded until stop_tracking() is called.
+	 * The change tracking is global and doesn't support nesting.
+	 */
+	void start_tracking();
+
+	/**
+	 * Ends the tracking of changes without any changes to the settings.
+	 */
+	void stop_tracking();
+
+	/**
+	 * Ends the tracking of changes, undoing the changes since the
+	 * change tracking began.
+	 */
+	void undo_tracked_changes();
+
 private:
 	static std::multimap< QString, std::function<void(QVariant)> > callbacks_;
+
+	static bool tracking_;
+	static std::map<QString, QVariant> tracked_changes_;
 };
 
 } // namespace pv