BlockBusItem::PointInfo and BlockBusItem::pointInfo()

libs/blockview/blockbusitem.cpp

@@ -315,6 +315,24 @@ QList<BlockItemPin * > BlockBusItem::connectedPins() const {
 }
 
 
+BlockBusItem::PointInfo BlockBusItem::pointInfo(QPointF pos) const {
+	PointInfo ret;
+	int pi = -1, si = -1;
+	testPoint(pos, &pi, & si);
+	if (pi < 0 && si < 0) return ret;
+	if (si >= 0) {
+		ret.type = PointInfo::tSegment;
+	} else {
+		if (endpoints().contains(pi)) {
+			ret.type = PointInfo::tEndpoint;
+			ret.pin = connections_.value(pi, nullptr);
+		} else
+			ret.type = PointInfo::tNode;
+	}
+	return ret;
+}
+
+
 void BlockBusItem::setBusState(bool state) {
 	int s = state ? 1 : 0;
 	if (state_ == s) return;
@@ -481,7 +499,7 @@ int BlockBusItem::neighborSegmentPoint(int point, int * seg) const {
 }
 
 
-void BlockBusItem::testPoint(QPointF pos, int * sel_point, int * sel_segment, bool for_trace) {
+void BlockBusItem::testPoint(QPointF pos, int * sel_point, int * sel_segment, bool for_trace) const {
 	for (int i = 0; i < pol.size(); ++i) {
 		if ((pol[i] - pos).manhattanLength() <= (for_trace ? 5. : 10.)) { // Point
 			*sel_point = i;

libs/blockview/blockbusitem.h

@@ -34,6 +34,17 @@ public:
 	BlockBusItem(const BlockBusItem & other);
 	~BlockBusItem() {;}
 
+	struct QAD_BLOCKVIEW_EXPORT PointInfo {
+		enum Type {
+			tNone,
+			tNode, // point > 2 segments
+			tEndpoint,
+			tSegment
+		};
+		Type type = tNone;
+		BlockItemPin * pin = nullptr; // if tEndpoint and pin connected
+	};
+	
 	void setGridStep(double gs) {grid_step = gs;}
 	void setEndpointsNumber(int num) {max_ep = num;}
 	void setImages(const QImage & bus, const QImage & end = QImage()) {im_bus = bus; im_end = end; update();}
@@ -66,6 +77,7 @@ public:
 	bool isBusSelected() const {return selSegment >= 0 || selPoint >= 0;}
 	QList<BlockItem * > connectedBlocks() const;
 	QList<BlockItemPin * > connectedPins() const;
+	PointInfo pointInfo(QPointF pos) const;
 	
 	void setBusState(bool state);
 	bool busState() const {return state_ > 0;}
@@ -86,7 +98,7 @@ protected:
 	void updateGeometry();
 	bool checkDelete();
 	void emitAction(BlockItemBase::Action a);
-	void testPoint(QPointF pos, int * sel_point, int * sel_segment, bool for_trace = false);
+	void testPoint(QPointF pos, int * sel_point, int * sel_segment, bool for_trace = false) const;
 	int addPoint(const QPointF & point, bool update = true);
 	int segmentPointPair(int point, int * seg = 0) const;
 	int pointSegmentsCount(int point, QList<int> * segs = 0) const;