git-svn-id: svn://db.shs.com.ru/libs@411 a8b55f48-bf90-11e4-a774-851b48703e85

qad/blockview/blockview.cpp

@@ -68,6 +68,7 @@ void BlockView::_init() {
 	nav_anim.setPropertyName("_nav");
 	nav_anim.setEasingCurve(QEasingCurve::InQuad);
 	nav_anim.setDuration(200);
+	connect(QApplication::clipboard(), SIGNAL(dataChanged()), this, SLOT(checkPaste()));
 	connect(&nav_anim, SIGNAL(finished()), this, SLOT(_navFinished()));
 	connect(scene_, SIGNAL(sceneRectChanged(QRectF)), this, SLOT(adjustThumb()));
 	connect(scene_, SIGNAL(selectionChanged()), this, SLOT(sceneSelectionChanged()));
@@ -87,6 +88,7 @@ void BlockView::_init() {
 	sel_rect.setPen(pen);
 	sc.setAlphaF(0.2);
 	sel_rect.setBrush(QBrush(sc));
+	checkPaste(true);
 	
 	/*AlignedTextItem * ti = new AlignedTextItem("This is text!");
 	ti->setFlag(QGraphicsItem::ItemIsSelectable, true);
@@ -1655,6 +1657,16 @@ void BlockView::pinHoverInOut(BlockItemPin * pin) {
 }
 
 
+void BlockView::checkPaste(bool queued) {
+	const QMimeData * mime = QApplication::clipboard()->mimeData();
+	bool ret = false;
+	if (mime)
+		ret = mime->hasFormat(_BlockView_Mime_);
+	if (queued) QMetaObject::invokeMethod(this, "pasteEnabledChanged", Qt::QueuedConnection, Q_ARG(bool, ret));
+	else emit pasteEnabledChanged(ret);
+}
+
+
 
 void BlockView::newBranchTrace(BlockBusItem * item, QPointF to) {
 	trace(item->press_pos, to, &tmp_bus);

qad/blockview/blockview.h

@@ -203,6 +203,7 @@ protected slots:
 	void startBusPointMove(int bus_type);
 	void endBusPointMove();
 	void pinHoverInOut(BlockItemPin * pin);
+	void checkPaste(bool queued = false);
 
 public slots:
 	void setGridPen(const QPen & pen) {grid_pen = pen; _updateBack();}
@@ -244,6 +245,7 @@ signals:
 	void blockRemoved(BlockItem * item);
 	void connectionsChanged();
 	void copyEnabledChanged(bool);
+	void pasteEnabledChanged(bool);
 
 };