X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fmarginwidget.cpp;h=fcbb31bf0174bb1944286005b11d0d978d715126;hb=1dffa582704bb6acb144a3e89bd6eb0e2ccf4f25;hp=d96d3aba66f315bf1483f7b4f3045ce96552a7f6;hpb=e47b69882ca7299041123c664dbcc8b552c5db99;p=pulseview.git

diff --git a/pv/view/marginwidget.cpp b/pv/view/marginwidget.cpp
index d96d3aba..fcbb31bf 100644
--- a/pv/view/marginwidget.cpp
+++ b/pv/view/marginwidget.cpp
@@ -34,8 +34,7 @@ namespace pv {
 namespace view {
 
 MarginWidget::MarginWidget(View &parent) :
-	QWidget(&parent),
-	view_(parent),
+	ViewWidget(parent),
 	dragging_(false)
 {
 	setAttribute(Qt::WA_NoSystemBackground, true);
@@ -132,6 +131,28 @@ void MarginWidget::mouseReleaseEvent(QMouseEvent *event)
 	mouse_down_item_ = nullptr;
 }
 
+void MarginWidget::mouseMoveEvent(QMouseEvent *event)
+{
+	assert(event);
+	mouse_point_ = event->pos();
+
+	if (!(event->buttons() & Qt::LeftButton))
+		return;
+
+	if ((event->pos() - mouse_down_point_).manhattanLength() <
+		QApplication::startDragDistance())
+		return;
+
+	if (!accept_drag())
+		return;
+
+	// Do the drag
+	dragging_ = true;
+	drag_items(event->pos() - mouse_down_point_);
+
+	update();
+}
+
 void MarginWidget::leaveEvent(QEvent*)
 {
 	mouse_point_ = QPoint(-1, -1);