Closes #750

Author: dcwhite

src/Interface/Application/Connection.cc

@@ -437,7 +437,14 @@ namespace
 void DataInfoDialog::show(PortDataDescriber portDataDescriber, const QString& label, const std::string& id)
 {
   auto info = eval(portDataDescriber);
-  QMessageBox::information(SCIRunMainWindow::Instance(), label + " Data info: " + QString::fromStdString(id), info);
+
+  QMessageBox* msgBox = new QMessageBox(SCIRunMainWindow::Instance());
+  msgBox->setAttribute(Qt::WA_DeleteOnClose);
+  msgBox->setStandardButtons(QMessageBox::Ok);
+  msgBox->setWindowTitle(label + " Data info: " + QString::fromStdString(id));
+  msgBox->setText(info);
+  msgBox->setModal(false); 
+  msgBox->show();
 }
 
 void ConnectionLine::keyPressEvent(QKeyEvent* event)

src/Interface/Application/ModuleProxyWidget.cc

@@ -179,7 +179,7 @@ void ModuleProxyWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
   if (PortWidget* p = qobject_cast<PortWidget*>(pressedSubWidget_))
   {
-    p->doMouseRelease(event->button(), mapToScene(event->pos()));
+    p->doMouseRelease(event->button(), mapToScene(event->pos()), event->modifiers());
     return;
   }
   if (grabbedByWidget_)

src/Interface/Application/NetworkEditor.cc

@@ -988,7 +988,7 @@ int NetworkEditor::currentZoomPercentage() const
   return static_cast<int>(currentScale_ * 100);
 }
 
-static QGraphicsTextItem* zoomHelp = 0;
+//static QGraphicsTextItem* zoomHelp = 0;
 
 void NetworkEditor::keyPressEvent(QKeyEvent *event)
 {

src/Interface/Application/Port.cc

@@ -234,7 +234,7 @@ void PortWidget::doMouseMove(Qt::MouseButtons buttons, const QPointF& pos)
 
 void PortWidget::mouseReleaseEvent(QMouseEvent* event)
 {
-  doMouseRelease(event->button(), event->pos());
+  doMouseRelease(event->button(), event->pos(), event->modifiers());
 }
 
 size_t PortWidget::getIndex() const
@@ -277,9 +277,13 @@ void PortWidget::cancelConnectionsInProgress()
   currentConnection_ = 0;
 }
 
-void PortWidget::doMouseRelease(Qt::MouseButton button, const QPointF& pos)
+void PortWidget::doMouseRelease(Qt::MouseButton button, const QPointF& pos, Qt::KeyboardModifiers modifiers)
 {
-  if (button == Qt::LeftButton)
+  if (!isInput() && (button == Qt::MiddleButton || modifiers & Qt::ControlModifier))
+  {
+    DataInfoDialog::show(getPortDataDescriber(), "Port", moduleId_.id_ + "::" + portId_.toString());
+  }
+  else if (button == Qt::LeftButton)
   {
     toggleLight();
     update();
@@ -293,10 +297,6 @@ void PortWidget::doMouseRelease(Qt::MouseButton button, const QPointF& pos)
   {
     showMenu();
   }
-  else if (button == Qt::MiddleButton && !isInput())
-  {
-    DataInfoDialog::show(getPortDataDescriber(), "Port", portId_.toString());
-  }
 }
 
 void PortWidget::makeConnection(const QPointF& pos)

src/Interface/Application/Port.h

@@ -119,7 +119,7 @@ class PortWidget : public PortWidgetBase, public NeedsScenePositionProvider
 
   void doMousePress(Qt::MouseButton button, const QPointF& pos);
   void doMouseMove(Qt::MouseButtons buttons, const QPointF& pos);
-  void doMouseRelease(Qt::MouseButton button, const QPointF& pos);
+  void doMouseRelease(Qt::MouseButton button, const QPointF& pos, Qt::KeyboardModifiers modifiers);
 
   SCIRun::Dataflow::Networks::PortDataDescriber getPortDataDescriber() const { return portDataDescriber_; }