Mouse wheel track slider Seeking

event accept

make format

src/widgets/tracksliderslider.cpp

@@ -24,6 +24,7 @@
 #include <QStyle>
 #include <QStyleOptionSlider>
 #include <QtDebug>
+#include <QWheelEvent>
 
 TrackSliderSlider::TrackSliderSlider(QWidget* parent)
     : QSlider(parent),
@@ -86,6 +87,15 @@ void TrackSliderSlider::mouseMoveEvent(QMouseEvent* e) {
       mapTo(window(), QPoint(e->x(), rect().center().y())));
 }
 
+void TrackSliderSlider::wheelEvent(QWheelEvent *e) {
+  if (e->delta() < 0) {
+    emit SeekBackward();
+  } else {
+    emit SeekForward();
+  }
+  e->accept();
+}
+
 void TrackSliderSlider::enterEvent(QEvent* e) {
   QSlider::enterEvent(e);
   if (isEnabled()) {

src/widgets/tracksliderslider.h

@@ -37,6 +37,7 @@ signals:
   void mousePressEvent(QMouseEvent* e);
   void mouseReleaseEvent(QMouseEvent* e);
   void mouseMoveEvent(QMouseEvent* e);
+  void wheelEvent(QWheelEvent *e);
   void enterEvent(QEvent*);
   void leaveEvent(QEvent*);
   void keyPressEvent(QKeyEvent* event);