X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fview.hpp;h=4bde31d6dd17e3f6a5dd417a3397ebb98a3ded77;hp=4f364404ce01acf2c9f9b4ee18d8cfb2dc517843;hb=f6b6c9bf50999dc99f9517318ffd3114cae4960f;hpb=ff046cb6c42a2382ee281e83955b7ae44030b42e

diff --git a/pv/views/trace/view.hpp b/pv/views/trace/view.hpp
index 4f364404..4bde31d6 100644
--- a/pv/views/trace/view.hpp
+++ b/pv/views/trace/view.hpp
@@ -64,12 +64,10 @@ namespace views {
 
 namespace trace {
 
-class CursorHeader;
 class DecodeTrace;
 class Header;
 class Ruler;
 class Signal;
-class Trace;
 class Viewport;
 class TriggerMarker;
 
@@ -131,6 +129,8 @@ public:
 	virtual void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
 #endif
 
+	shared_ptr<Signal> get_signal_under_mouse_cursor() const;
+
 	/**
 	 * Returns the view of the owner.
 	 */
@@ -303,8 +303,19 @@ public:
 
 	const QPoint& hover_point() const;
 
+	/**
+	 * Determines the closest level change (i.e. edge) to a given point, which
+	 * is useful for e.g. the "snap to edge" functionality.
+	 *
+	 * @param p The current position of the mouse cursor
+	 * @return The sample number of the nearest level change or -1 if none
+	 */
+	int64_t get_nearest_level_change(const QPoint &p);
+
 	void restack_all_trace_tree_items();
 
+	int header_width() const;
+
 	void on_setting_changed(const QString &key, const QVariant &value);
 
 Q_SIGNALS:
@@ -394,6 +405,8 @@ private:
 
 	bool eventFilter(QObject *object, QEvent *event);
 
+	virtual void contextMenuEvent(QContextMenuEvent *event);
+
 	void resizeEvent(QResizeEvent *event);
 
 	void update_hover_point();
@@ -515,6 +528,8 @@ private:
 	vector< shared_ptr<TriggerMarker> > trigger_markers_;
 
 	QPoint hover_point_;
+	shared_ptr<Signal> signal_under_mouse_cursor_;
+	uint16_t snap_distance_;
 
 	unsigned int sticky_events_;
 	QTimer lazy_event_handler_;