added category navigation to general settings

src/widgets/helper/SignalLabel.cpp

@@ -16,7 +16,7 @@ void SignalLabel::mousePressEvent(QMouseEvent *event)
 {
     if (event->button() == Qt::LeftButton)
     {
-        emit mouseDown();
+        emit leftMouseDown();
     }
 
     event->ignore();
@@ -26,7 +26,7 @@ void SignalLabel::mouseReleaseEvent(QMouseEvent *event)
 {
     if (event->button() == Qt::LeftButton)
     {
-        emit mouseUp();
+        emit leftMouseUp();
     }
 
     event->ignore();

src/widgets/helper/SignalLabel.hpp

@@ -18,8 +18,8 @@ public:
 signals:
     void mouseDoubleClick(QMouseEvent *ev);
 
-    void mouseDown();
-    void mouseUp();
+    void leftMouseDown();
+    void leftMouseUp();
     void mouseMove(QMouseEvent *event);
 
 protected: