X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=2f7462978943a84362ff295f95a29011bef6599d;hp=07bd5d9caeade08c0f75b90da5003c423f8dde7a;hb=3e769a374963f37f7d52b65ef6c56bcdf1ef11fe;hpb=4f82e4f613aced3594f07fa219a9d8c247eaed11

diff --git a/pv/view/view.h b/pv/view/view.h
index 07bd5d9c..2f746297 100644
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -29,6 +29,7 @@
 
 #include <QAbstractScrollArea>
 #include <QSizeF>
+#include <QTimer>
 
 #include <pv/data/signaldata.h>
 
@@ -49,6 +50,12 @@ class Viewport;
 class View : public QAbstractScrollArea, public RowItemOwner {
 	Q_OBJECT
 
+private:
+	enum StickyEvents {
+		SelectableItemHExtentsChanged = 1,
+		SelectableItemVExtentsChanged = 2
+	};
+
 private:
 	static const double MaxScale;
 	static const double MinScale;
@@ -92,6 +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);
 
@@ -188,6 +200,11 @@ private:
 
 	void resizeEvent(QResizeEvent *e);
 
+public:
+	void appearance_changed(bool label, bool content);
+
+	void extents_changed(bool horz, bool vert);
+
 private Q_SLOTS:
 
 	void h_scroll_value_changed(int value);
@@ -200,7 +217,7 @@ private Q_SLOTS:
 
 	void on_signals_moved();
 
-	void on_geometry_updated();
+	void process_sticky_events();
 
 	void on_hover_point_changed();
 
@@ -225,6 +242,9 @@ private:
 	CursorPair _cursors;
 
 	QPoint _hover_point;
+
+	unsigned int _sticky_events;
+	QTimer _lazy_event_handler;
 };
 
 } // namespace view