git-svn-id: svn://db.shs.com.ru/libs@168 a8b55f48-bf90-11e4-a774-851b48703e85

qad_blockview/blockitem.cpp

@@ -309,7 +309,7 @@ void BlockItem::loadModel(const QByteArray & data) {
 }
 
 
-QByteArray BlockItem::save() {
+QByteArray BlockItem::save() const {
 	ChunkStream cs;
 	QMap<QString, QList<BlockItem::Property> > pp;
 	foreach (BlockItemPin * p, pins()) {

qad_blockview/blockitem.h

@@ -147,7 +147,7 @@ public:
 
 	QByteArray saveModel();
 	void loadModel(const QByteArray & data);
-	QByteArray save();
+	QByteArray save() const;
 	void load(const QByteArray & data);
 	void arrangePins();
 	
@@ -193,4 +193,13 @@ inline QDataStream & operator >>(QDataStream & s, BlockItemPin *& p) {
 }
 
 
+inline QDataStream & operator <<(QDataStream & s, const BlockItem * b) {s << b->save(); return s;}
+inline QDataStream & operator >>(QDataStream & s, BlockItem *& b) {
+	QByteArray ba; s >> ba;
+	b = new BlockItem();
+	b->load(ba);
+	return s;
+}
+
+
 #endif // BLOCKITEM_H

qad_blockview/blockview.cpp

@@ -6,6 +6,9 @@
 #include <QAction>
 #include <QShortcut>
 #include <QVector2D>
+#include <QClipboard>
+
+const QString _BlockView_Mime_ = "_BlockView_copypaste_";
 
 
 BlockView::BlockView(QWidget * parent): QGraphicsView(parent), tmp_bus(true) {
@@ -43,6 +46,7 @@ void BlockView::_init() {
 	thumb_anim.setPropertyName("_thumb");
 	thumb_anim.setEasingCurve(QEasingCurve::InCubic);
 	connect(scene_, SIGNAL(sceneRectChanged(QRectF)), this, SLOT(adjustThumb()));
+	connect(scene_, SIGNAL(selectionChanged()), this, SLOT(sceneSelectionChanged()));
 	centerOn(scene_->sceneRect().center());
 	setCacheMode(CacheBackground);
 	setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
@@ -212,8 +216,7 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 			copy_dp = QPointF();
 			//qDebug() << mm_cancel << mm_copy << mm_drag << new_branch << new_bus;
 			if (mm_copy && mm_cancel) {
-				qDeleteAll(copy_items);
-				copy_items.clear();
+				deleteCopyTemp();
 				mm_copy = moved = false;
 				unsetCursor();
 			}
@@ -339,10 +342,13 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 							break;
 						}
 						sel_items = scene_->selectedItems();
+						deleteCopyTemp();
+						QList<BlockItem * > bi;
 						foreach (QGraphicsItem * i, sel_items) {
 							if (i->data(1006) == "item") {
 								//qDebug() << "copy";
-								BlockItem * ti = qgraphicsitem_cast<BlockItem*>(i)->copy();
+								bi << qgraphicsitem_cast<BlockItem*>(i);
+								BlockItem * ti = bi.back()->copy();
 								ti->g_main.setPen(QPen(ti->g_main.pen().color(), ti->g_main.pen().widthF(), Qt::DashLine));
 								QColor bc = ti->g_main.brush().color(); bc.setAlphaF(bc.alphaF() * 0.5);
 								ti->g_main.setBrush(bc);
@@ -350,6 +356,13 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 								scene_->addItem(ti);
 							}
 						}
+						QList<BlockBusItem * > ibi = internalBuses(bi);
+						foreach (BlockBusItem * i, ibi) {
+							i = i->copy();
+							i->setOpacity(i->opacity() * 0.5);
+							copy_buses << i;
+							scene_->addItem(i);
+						}
 						mm_copy = true;
 						setCursor(Qt::DragCopyCursor);
 					}
@@ -400,6 +413,8 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 								moved = true;
 							foreach (QGraphicsItem * i, copy_items)
 								i->setPos(i->pos() + mdp);
+							foreach (BlockBusItem * i, copy_buses)
+								i->movePolyline(mdp);
 						}
 						if (!mm_mods.testFlag(Qt::ControlModifier) && !mm_mods.testFlag(Qt::ShiftModifier)) {
 							if (!mdp.isNull())
@@ -451,8 +466,7 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 					if (!ci.isEmpty()) copyBlocks(ci, copy_dp);
 					if (!bi.isEmpty()) copyBuses(bi, copy_dp);
 				}
-				qDeleteAll(copy_items);
-				copy_items.clear();
+				deleteCopyTemp();
 				blockSignals(false);
 				if (moved) {
 					moved = false;
@@ -467,7 +481,7 @@ bool BlockView::eventFilter(QObject * o, QEvent * e) {
 				QList<QGraphicsItem*> ci;
 				foreach (QGraphicsItem * b, sel_items)
 					if (b->data(1006) == "item")
-						ci << qgraphicsitem_cast<QGraphicsItem*>(b);
+						ci << b;
 				emit actionEvent(BlockItemBase::BlockMove, ci);
 				reconnectAll();
 			}
@@ -655,6 +669,14 @@ void BlockView::scrollFromThumb() {
 }
 
 
+void BlockView::deleteCopyTemp() {
+	qDeleteAll(copy_items);
+	copy_items.clear();
+	qDeleteAll(copy_buses);
+	copy_buses.clear();
+}
+
+
 void BlockView::drawThumb() {
 	if (!minimap) return;
 	QPainter p(&widget_thumb);
@@ -761,7 +783,8 @@ QList<BlockBusItem * > BlockView::buses() const {
 	QList<QGraphicsItem*> gi = scene_->items();
 	foreach (QGraphicsItem * i, gi)
 		if (i->data(1005) == "connection")
-			ret << qgraphicsitem_cast<BlockBusItem*>(i);
+			if (!copy_buses.contains((BlockBusItem*)i))
+				ret << qgraphicsitem_cast<BlockBusItem*>(i);
 	return ret;
 }
 
@@ -1203,6 +1226,15 @@ QList<BlockBusItem * > BlockView::internalBuses(const QList<BlockItem * > & item
 }
 
 
+QList<BlockItem * > BlockView::selectedBlocks() {
+	QList<BlockItem * > ret;
+	foreach (QGraphicsItem * b, sel_items)
+		if (b->data(1006) == "item")
+			ret << qgraphicsitem_cast<BlockItem*>(b);
+	return ret;
+}
+
+
 void BlockView::adjustThumb() {
 	if (!scene()) return;
 	QSizeF sr = sceneRect().size(), tr;
@@ -1321,6 +1353,12 @@ void BlockView::removeJunk() {
 }
 
 
+void BlockView::sceneSelectionChanged() {
+	bool ie = scene()->selectedItems().isEmpty();
+	emit copyEnabledChanged(!ie);
+}
+
+
 void BlockView::_setThumb(double v) {
 	_talpha = v;
 	QMetaObject::invokeMethod(&widget_thumb, "repaint", Qt::QueuedConnection);
@@ -1382,6 +1420,32 @@ void BlockView::zoomReset() {
 }
 
 
+void BlockView::copySelected() {
+	QList<BlockItem*> bll = selectedBlocks();
+	if (bll.isEmpty()) return;
+	QList<BlockBusItem*> bul = internalBuses(bll);
+	QByteArray ba;
+	QDataStream s(&ba, QIODevice::ReadWrite);
+	s << bll << bul;
+	QMimeData * mime = new QMimeData();
+	mime->setData(_BlockView_Mime_, ba);
+	QApplication::clipboard()->setMimeData(mime);
+}
+
+
+void BlockView::pasteSelected() {
+	const QMimeData * mime = QApplication::clipboard()->mimeData();
+	if (!mime) return;
+	if (!mime->hasFormat(_BlockView_Mime_)) return;
+	QByteArray ba = mime->data(_BlockView_Mime_);
+	if (ba.isEmpty()) return;
+	QList<BlockItem*> bll;
+	QList<BlockBusItem*> bul;
+	QDataStream s(ba);
+	s >> bll >> bul;
+}
+
+
 void BlockView::selectNone() {
 	QList<QGraphicsItem*> gi = scene_->items();
 	foreach (QGraphicsItem * i, gi)

qad_blockview/blockview.h

@@ -100,8 +100,10 @@ protected:
 	void unmarkPins(bool to_normal = false);
 	void moveBuses(const QList<QGraphicsItem * > & items, QPointF dp);
 	QList<BlockBusItem * > internalBuses(const QList<BlockItem * > & items);
+	QList<BlockItem * > selectedBlocks();
 	double _thumb() const {return _talpha;}
 	void scrollFromThumb();
+	void deleteCopyTemp();
 	
 	virtual void loadBus(BlockBusItem * bus) {}
 	virtual void copyBlocks(QList<BlockItem * > items, QPointF offset) {}
@@ -113,6 +115,7 @@ protected:
 	QGraphicsItem * mm_ci;
 	QList<QGraphicsItem * > sel_items;
 	QList<BlockItem * > copy_items;
+	QList<BlockBusItem * > copy_buses;
 	BlockBusItem tmp_bus, * match_bus, * bus_from;
 	BlockViewWavetrace wavetrace;
 	QPoint press_point, screen_point, thumb_press;
@@ -140,6 +143,7 @@ protected slots:
 	void removedBus(QObject * o);
 	void removedBlock(QObject * o);
 	void removeJunk();
+	void sceneSelectionChanged();
 	void _setThumb(double v);
 
 public slots:
@@ -159,7 +163,10 @@ public slots:
 	void zoomIn() {zoom(1.2);}
 	void zoomOut() {zoom(1. / 1.2);}
 	void zoomReset();
-	
+
+	void copySelected();
+	void pasteSelected();
+
 	void reconnectAll();
 	void selectNone();
 	void selectAll();
@@ -174,6 +181,7 @@ signals:
 	void actionEvent(BlockItemBase::Action action, QList<QGraphicsItem * > items);
 	void blockRemoved(BlockItem * item);
 	void connectionsChanged();
+	void copyEnabledChanged(bool);
 
 };