git-svn-id: svn://db.shs.com.ru/libs@171 a8b55f48-bf90-11e4-a774-851b48703e85

qad_blockview/blockitem.cpp

@@ -24,6 +24,11 @@ BlockItemPin::BlockItemPin(Qt::Alignment a, int bus_type_, const QString & text_
 }
 
 
+void BlockItemPin::resizePin(double r) {
+	ell_item.setRect(-r, -r, r+r, r+r);
+}
+
+
 void BlockItemPin::_init(bool affect_parent) {
 	QRectF tbr = text_item.boundingRect();
 	const double r = 7.;

qad_blockview/blockitem.h

@@ -77,6 +77,8 @@ public:
 	void saveState() {sstate_.push(state_);}
 	bool restoreState() {if (sstate_.isEmpty()) return false; setState(sstate_.pop()); return true;}
 	void clearStateStack() {sstate_.clear();}
+
+	void resizePin(double r = 7.);
 	
 	BlockItem * parent() const {return parent_;}
 	QList<BlockBusItem * > connectedBuses() const {return buses_;}

qad_blockview/blockview.cpp

@@ -58,6 +58,7 @@ void BlockView::_init() {
 	mm_drag = moved = new_branch = new_bus = mm_cancel = iconnect = mm_copy = m_pin_mc = mm_thumb = false;
 	match_bus = bus_from = 0;
 	mm_ci = 0;
+	hpin = 0;
 	grid_step = 10.;
 	grid_points = 1;
 	grid_pen = QPen(Qt::lightGray, 1, Qt::NoPen);
@@ -214,6 +215,7 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 			if (me->buttons().testFlag(Qt::MidButton)) btncnt++;
 			mm_cancel = btncnt >= 2;
 			match_bus = bus_from = 0;
+			hpin = 0;
 			copy_dp = QPointF();
 			//qDebug() << mm_cancel << mm_copy << mm_drag << new_branch << new_bus;
 			if (mm_copy && mm_cancel) {
@@ -318,6 +320,20 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 						mm_drag = fmm_drag = true;
 				} else {
 					if (tmp_bus.isVisible()) {
+						mil = scene_->items(me->scenePos());
+						hpin = 0;
+						foreach (QGraphicsItem * i, mil)
+							if (i->data(1004) == "pin") {
+								hpin = qgraphicsitem_cast<BlockItemPin*>(i);
+								break;
+							}
+						if (hpin) {
+							if (hpin->state() == BlockItemPin::Accept)
+								hoverAcceptedPin(hpin);
+							else
+								hpin = 0;
+						} else
+							unhoverPins();
 						if (new_branch) {
 							matchBus();
 							break;
@@ -963,12 +979,14 @@ void BlockView::applyGridStep() {
 
 
 void BlockView::trace(QPointF scene_pos_from, QPointF scene_pos_to, BlockBusItem * bus) {
+	if (hpin)
+		scene_pos_to = hpin->scenePos();
 	last_trace_from = scene_pos_from;
 	trace_to = scene_pos_to;
 	QRect sr = scene_->sceneRect().toRect();
 	int dx = sr.left() / grid_step, dy = sr.top() / grid_step;
-	QPoint dp(-dx, -dy), qpt = quantize(scene_pos_to, grid_step).toPoint() / grid_step + dp;
 	//qDebug() << dp;
+	QPoint dp(-dx, -dy), qpt = quantize(scene_pos_to, grid_step).toPoint() / grid_step + dp;
 	QTime tm;
 	tm.restart();
 	wavetrace.resize(sr.size() / grid_step);
@@ -1142,6 +1160,7 @@ bool BlockView::connectTmpToBus(BlockBusItem * bus) {
 
 
 void BlockView::markPins(int bus_type) {
+	unhoverPins();
 	QList<QGraphicsItem * > gi = scene_->items();
 	foreach (QGraphicsItem * i, gi) {
 		if (i->data(1004) == "pin") {
@@ -1160,6 +1179,7 @@ void BlockView::markPins(int bus_type) {
 
 
 void BlockView::unmarkPins(bool to_normal) {
+	unhoverPins();
 	QList<QGraphicsItem * > gi = scene_->items();
 	foreach (QGraphicsItem * i, gi) {
 		if (i->data(1004) == "pin") {
@@ -1171,6 +1191,20 @@ void BlockView::unmarkPins(bool to_normal) {
 }
 
 
+void BlockView::hoverAcceptedPin(BlockItemPin * pin) {
+	if (!pin) return;
+	pin->resizePin(12.);
+}
+
+
+void BlockView::unhoverPins() {
+	QList<QGraphicsItem * > gi = scene_->items();
+	foreach (QGraphicsItem * i, gi)
+		if (i->data(1004) == "pin")
+			((BlockItemPin*)i)->resizePin();
+}
+
+
 void BlockView::moveBuses(const QList<QGraphicsItem * > & items, QPointF dp) {
 	if (dp.isNull()) return;
 	QList<QGraphicsItem * > gi = scene_->items();

qad_blockview/blockview.h

@@ -98,6 +98,8 @@ protected:
 	bool connectTmpToBus(BlockBusItem* bus);
 	void markPins(int bus_type);
 	void unmarkPins(bool to_normal = false);
+	void hoverAcceptedPin(BlockItemPin * pin);
+	void unhoverPins();
 	void moveBuses(const QList<QGraphicsItem * > & items, QPointF dp);
 	QList<BlockBusItem * > internalBuses(const QList<BlockItem * > & items);
 	QList<BlockItem * > selectedBlocks() const;
@@ -119,6 +121,7 @@ protected:
 	QList<BlockItem * > copy_items;
 	QList<BlockBusItem * > copy_buses;
 	BlockBusItem tmp_bus, * match_bus, * bus_from;
+	BlockItemPin * hpin;
 	BlockViewWavetrace wavetrace;
 	QPoint press_point, screen_point, thumb_press;
 	QPointF scene_point, trace_from, last_trace_from, trace_to, copy_dp;