UI: Don't set the vertical scroll bar in the visualizer and always scroll that...

UI: Don't set the vertical scroll bar in the visualizer and always scroll that widget to the bottom as the higher frequencies will likely be black pixels

src/UI/DocumentViews/TimingView.cc

@@ -24,6 +24,9 @@ TimingView::TimingView(QImage img, quint64 soundLength, QWidget *parent) noexcep
     setFixedHeight(img.height());
     setMaximumHeight(img.height() + horizontalScrollBar()->height() - TO_ADD_TO_IMAGE_HEIGHT);
     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    QObject::connect(verticalScrollBar(), &QScrollBar::rangeChanged, this,
+                     &TimingView::moveScrollBarToBottom);
     setScene(scene);
 }
 
@@ -43,3 +46,9 @@ TimingView::mousePressEvent(QMouseEvent *event) noexcept
 
     QGraphicsView::mousePressEvent(event);
 }
+
+void
+TimingView::moveScrollBarToBottom(int, int max) noexcept
+{
+    verticalScrollBar()->setValue(max);
+}

src/UI/DocumentViews/TimingView.hh

@@ -31,6 +31,7 @@ private:
 
 public slots:
     void mousePressEvent(QMouseEvent *event) noexcept;
+    void moveScrollBarToBottom(int, int) noexcept;
 };
 
 }