diff --git a/libs/blockview/blockbusitem.cpp b/libs/blockview/blockbusitem.cpp
index e3f1bf6..df827b4 100644
--- a/libs/blockview/blockbusitem.cpp
+++ b/libs/blockview/blockbusitem.cpp
@@ -520,10 +520,16 @@ void BlockBusItem::hoverMoveEvent(QGraphicsSceneHoverEvent * e) {
 	int ps = selSegment;
 	bool empt = !(selPoint >= 0 || selSegment >= 0);
 	testPoint(sp, &selPoint, &selSegment);
+	BlockView * bv = 0;
+	if (!scene()->views().isEmpty()) {
+		bv = qobject_cast<BlockView*>(scene()->views().back());
+	}
 	if ((selPoint >= 0  && pp != selPoint) || (selSegment >= 0  && ps != selSegment)) {
-		if (((BlockView *)scene()->views().back())->isBlockAnimationEnabled()) {
-			setPointSize(0);
-			anim_point_size.start();
+		if (bv) {
+			if (bv->isBlockAnimationEnabled()) {
+				setPointSize(0);
+				anim_point_size.start();
+			}
 		} else setPointSize(anim_point_size.endValue().toDouble());
 	}
 
@@ -536,8 +542,10 @@ void BlockBusItem::hoverMoveEvent(QGraphicsSceneHoverEvent * e) {
 		}
 		setToolTip(tt);
 		update();
+		if (bv) bv->cur_bus = this;
 		return;
 	}
+	if (bv) bv->cur_bus = 0;
 	setToolTip(QString());
 	QList<QGraphicsItem * > il = scene()->items(sp, Qt::ContainsItemBoundingRect, Qt::DescendingOrder), bil;
 	bil << this;
@@ -572,6 +580,13 @@ void BlockBusItem::hoverLeaveEvent(QGraphicsSceneHoverEvent * e) {
 void BlockBusItem::mousePressEvent(QGraphicsSceneMouseEvent * e) {
 	if (temp_) return;
 	lp = quantize(e->scenePos(), grid_step);
+	if (e->button() != Qt::RightButton)
+		bpol = pol;
+	BlockView * bv = 0;
+	if (!scene()->views().isEmpty()) {
+		bv = qobject_cast<BlockView*>(scene()->views().back());
+	}
+	if (bv) bv->cur_bus = this;
 	if (new_segment) {
 		QMetaObject::invokeMethod(scene()->views().back(), "newBranchCancel");
 	}
@@ -582,7 +597,6 @@ void BlockBusItem::mousePressEvent(QGraphicsSceneMouseEvent * e) {
 	}
 	int btncnt = 0;
 	if ((e->button() == Qt::LeftButton) && e->modifiers().testFlag(Qt::ShiftModifier)) {
-		bpol = pol;
 		if (endpoints().contains(selPoint))
 			QMetaObject::invokeMethod(scene()->views().back(), "startBusPointMove", Q_ARG(int, busType()));
 	}
@@ -594,7 +608,7 @@ void BlockBusItem::mousePressEvent(QGraphicsSceneMouseEvent * e) {
 		//qDebug() << "bus revert";
 		mm_cancel = true;
 		moved = false;
-		QPointF lp = qp - press_pos;
+		/*QPointF lp = qp - press_pos;
 		//qDebug() << lp;
 		if (selPoint >= 0 && selPoint <= pol.size() - 1) {
 			pol[selPoint] += lp;
@@ -603,7 +617,8 @@ void BlockBusItem::mousePressEvent(QGraphicsSceneMouseEvent * e) {
 			pol[segments[selSegment].first] += lp;
 			pol[segments[selSegment].second] += lp;
 		}
-		moved = true;
+		moved = true;*/
+		pol = bpol;
 		prepareGeometryChange();
 		return;
 	}
@@ -629,6 +644,7 @@ void BlockBusItem::mousePressEvent(QGraphicsSceneMouseEvent * e) {
 		deleteLater();
 	}
 	if (e->modifiers().testFlag(Qt::ControlModifier)) {
+		//qDebug() << "remove" << selPoint << selSegment;
 		if (e->buttons().testFlag(Qt::RightButton)) {
 			if (selPoint >= 0 && selPoint <= pol.size() - 1) {
 				removePoint(selPoint);
@@ -677,7 +693,6 @@ void BlockBusItem::mouseMoveEvent(QGraphicsSceneMouseEvent * e) {
 		new_end = qp;
 		prepareGeometryChange();
 	} else {
-		if (bv) bv->cur_bus = this;
 		if (e->buttons().testFlag(Qt::LeftButton)) {
 			lm_point = selPoint >= 0;
 			if (selPoint >= 0 && selPoint <= pol.size() - 1)
@@ -687,6 +702,7 @@ void BlockBusItem::mouseMoveEvent(QGraphicsSceneMouseEvent * e) {
 				pol[segments[selSegment].second] += lp;
 			}
 			moved = true;
+			//if (bv) bv->bus_moved = true;
 			prepareGeometryChange();
 		}
 	}
diff --git a/libs/blockview/blockview.cpp b/libs/blockview/blockview.cpp
index 156e74c..fd8411b 100644
--- a/libs/blockview/blockview.cpp
+++ b/libs/blockview/blockview.cpp
@@ -1,4 +1,5 @@
 #include "blockview.h"
+#include "qad_types.h"
 #include <qmath.h>
 #include <QScrollBar>
 #include <QGraphicsSceneMouseEvent>
@@ -213,9 +214,9 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 				}
 				//if (mm_ci->data(bvidItemSelection).toBool()) break;
 			}
-			if (me->buttons().testFlag(Qt::LeftButton)) btncnt++;
+			if (me->buttons().testFlag(Qt::LeftButton )) btncnt++;
 			if (me->buttons().testFlag(Qt::RightButton)) btncnt++;
-			if (me->buttons().testFlag(Qt::MidButton)) btncnt++;
+			if (me->buttons().testFlag(Qt::MidButton  )) btncnt++;
 			mm_cancel = btncnt >= 2;
 			match_bus = bus_from = 0;
 			hpin = 0;
@@ -229,12 +230,11 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 				block_emit_selection = false;
 				emit selectionChanged();
 			}
+			//qDebug() << cur_bus;
+			if (cur_bus) {
+				return false;
+			}
 			if (mm_cancel) {
-				if (cur_bus) {
-					cur_bus->pol = cur_bus->bpol;
-					cur_bus->prepareGeometryChange();
-					cur_bus = 0;
-				}
 				if (mm_copy) {
 					deleteCopyTemp();
 					mm_copy = moved = false;
@@ -357,6 +357,9 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 			/*if (ghost_) {
 				ghost_->setPos(quantize(me->scenePos(), grid_step));
 			}*/
+			if (cur_bus) {
+				return false;
+			}
 			if (mm_ci)
 				if (mm_ci->data(bvidInvalidItem).toBool()) {
 					mm_ci = 0;
@@ -518,6 +521,7 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 			if (me->buttons().testFlag(Qt::LeftButton)) btncnt++;
 			if (me->buttons().testFlag(Qt::RightButton)) btncnt++;
 			if (me->buttons().testFlag(Qt::MidButton)) btncnt++;
+			cur_bus = 0;
 			mm_cancel = btncnt > 0;
 			if (mm_cancel || (me->button() == Qt::MidButton) || (me->button() == Qt::RightButton)) {
 				mm_ci = 0;