X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Frowitem.cpp;h=07540c1b157437375a3e3ce95bb97eaee8e7a152;hp=eeb727ccc966cffa86eccbedcf00dc076ade7136;hb=dbf74f26f6bd9fd5277f090fea8e4f5506c19911;hpb=be7170664b80552fdfb38da1c214c271cbf116aa

diff --git a/pv/view/rowitem.cpp b/pv/view/rowitem.cpp
index eeb727cc..07540c1b 100644
--- a/pv/view/rowitem.cpp
+++ b/pv/view/rowitem.cpp
@@ -28,7 +28,7 @@ namespace pv {
 namespace view {
 
 RowItem::RowItem() :
-	owner_(NULL),
+	owner_(nullptr),
 	layout_v_offset_(0),
 	visual_v_offset_(0),
 	v_offset_animation_(this, "visual_v_offset")
@@ -68,6 +68,11 @@ void RowItem::force_to_v_offset(int v_offset)
 {
 	v_offset_animation_.stop();
 	layout_v_offset_ = visual_v_offset_ = v_offset;
+
+	if (owner_) {
+		owner_->row_item_appearance_changed(true, true);
+		owner_->extents_changed(false, true);
+	}
 }
 
 void RowItem::animate_to_layout_v_offset()
@@ -115,9 +120,15 @@ int RowItem::get_visual_y() const
 	return visual_v_offset_ + owner_->owner_visual_v_offset();
 }
 
+void RowItem::drag_by(const QPoint &delta)
+{
+	force_to_v_offset(drag_point_.y() + delta.y() -
+		owner_->owner_visual_v_offset());
+}
+
 QPoint RowItem::point(const QRect &rect) const
 {
-	return QPoint(rect.right(), visual_v_offset());
+	return QPoint(rect.right(), get_visual_y());
 }
 
 void RowItem::hover_point_changed()