Scrolling in configuration tree view. Fixes #19

src/typica.w

 		void addDevice();
 		void removeNode();
 		void newSelection(const QModelIndex &index);
+	@[private slots@]:@/
+		void resizeColumn();
 	private:@/
 		QDomDocument document;
 		DeviceTreeModel *model;
 	document = AppInstance->deviceConfiguration();
 	model = new DeviceTreeModel;
 	view->setModel(model);
+	view->setTextElideMode(Qt::ElideNone);
 	view->expandAll();
+	view->resizeColumnToContents(0);
 	connect(model, SIGNAL(modelReset()), view, SLOT(expandAll()));
 	QHBoxLayout *treeButtons = new QHBoxLayout;
 	QToolButton *addDeviceButton = new QToolButton;
 	        this, SLOT(newSelection(QModelIndex)));
 	connect(model, SIGNAL(rowsInserted(QModelIndex, int, int)),
 	        view, SLOT(expand(QModelIndex)));
+	connect(model, SIGNAL(rowsInserted(QModelIndex, int, int)),
+	        this, SLOT(resizeColumn()));
+	connect(model, SIGNAL(rowsRemoved(QModelIndex, int, int)),
+	        this, SLOT(resizeColumn()));
 }
 
 @ Adding a new top level node to the model is just a matter of extracting the
 	}
 }
 
+@ As nodes are added deeper in the device hierarchy or as nodes obtain longer
+names, the nodes names may be elided by default rather than indicate that the
+view can be scrolled horizontally. There has been feedback that this behavior
+is not preferred so instead as the model data changes we expand the column
+instead.
+
+@<DeviceConfigurationWindow implementation@>=
+void DeviceConfigurationWindow::resizeColumn()
+{
+	view->resizeColumnToContents(0);
+}
+
 @ At least for the initial testing of this feature it will be useful if we can
 instantiate this from the host environment. For this we at least require a
 constructor.