git-svn-id: svn://db.shs.com.ru/libs@400 a8b55f48-bf90-11e4-a774-851b48703e85

qad/blockview/blockview.cpp

@@ -32,6 +32,7 @@ void BlockView::_init() {
 	match_bus = bus_from = 0;
 	mm_ci = 0;
 	hpin = 0;
+	ghost_ = 0;
 	grid_step = 10.;
 	grid_points = 1;
 	grid_pen = QPen(Qt::lightGray, 1, Qt::NoPen);
@@ -319,6 +320,9 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 			break;
 		case QEvent::GraphicsSceneMouseMove:
 			//qDebug() << "move" << (mm_ci != 0 ? mm_ci : 0);
+			/*if (ghost_) {
+				ghost_->setPos(quantize(me->scenePos(), grid_step));
+			}*/
 			if (mm_ci)
 				if (mm_ci->data(1008).toBool())
 					break;
@@ -732,6 +736,22 @@ void BlockView::emitActionEvent(BlockItemBase::Action action, QList<QGraphicsIte
 }
 
 
+void BlockView::setGhost(BlockItem * item) {
+	clearGhost();
+	if (!item) return;
+	ghost_ = item;
+	ghost_->setOpacity(0.5);
+	addItem(item);
+}
+
+
+void BlockView::clearGhost() {
+	if (!ghost_) return;
+	delete ghost_;
+	ghost_ = 0;
+}
+
+
 void BlockView::drawThumb() {
 	if (!minimap) return;
 	QPainter p(&widget_thumb);