Fix Qt deprectation warnings

databaseview.cpp

@@ -201,7 +201,8 @@ void FITSFileModel::prepareQuery()
     if(lastError().type() != QSqlError::NoError)
         qDebug() << "Database error" << lastError();
 
-    m_markedFiles = m_database->getMarkedFiles().toSet();
+    QStringList list = m_database->getMarkedFiles();
+    m_markedFiles = QSet<QString>(list.begin(), list.end());
 }
 
 DatabaseTableView::DatabaseTableView(QWidget *parent) : QTableView(parent)

imagescrollarea.cpp

@@ -106,7 +106,7 @@ void ImageScrollArea::wheelEvent(QWheelEvent *event)
         m_scale = (float)size().width()/m_pixmap.size().width();
 
     QPointF top(horizontalScrollBar()->value(), verticalScrollBar()->value());
-    QPointF mousePos = (top + event->posF()) / m_scale;
+    QPointF mousePos = (top + event->position()) / m_scale;
 
     QPoint delta = event->angleDelta();
     if(delta.y() > 0)
@@ -115,7 +115,7 @@ void ImageScrollArea::wheelEvent(QWheelEvent *event)
         setScale(m_scale - 0.1);
 
     mousePos *= m_scale;
-    top = mousePos - event->posF();
+    top = mousePos - event->position();
     horizontalScrollBar()->setValue(top.x());
     verticalScrollBar()->setValue(top.y());
 }

imagescrollareagl.cpp

@@ -637,7 +637,7 @@ void ImageWidget::wheelEvent(QWheelEvent *event)
     else
     {
         if(std::abs(event->angleDelta().y()) > 15)
-            zoom(event->angleDelta().y(), event->modifiers() & Qt::ShiftModifier ? QPointF() : event->posF());
+            zoom(event->angleDelta().y(), event->modifiers() & Qt::ShiftModifier ? QPointF() : event->position());
     }
 }