changed notation

scrollbar.h

@@ -17,12 +17,93 @@ public:
     void removeHighlightsWhere(std::function<bool(ScrollBarHighlight &)> func);
     void addHighlight(ScrollBarHighlight *highlight);
 
+    void
+    setMaximum(qreal value)
+    {
+        maximum = value;
+
+        updateScroll();
+    }
+
+    void
+    setMinimum(qreal value)
+    {
+        minimum = value;
+
+        updateScroll();
+    }
+
+    void
+    setLargeChange(qreal value)
+    {
+        largeChange = value;
+
+        updateScroll();
+    }
+
+    void
+    setSmallChange(qreal value)
+    {
+        smallChange = value;
+
+        updateScroll();
+    }
+
+    void
+    setValue(qreal value)
+    {
+        value = value;
+
+        updateScroll();
+    }
+
+    qreal
+    getMaximum() const
+    {
+        return maximum;
+    }
+
+    qreal
+    getMinimum() const
+    {
+        return minimum;
+    }
+
+    qreal
+    getLargeChange() const
+    {
+        return largeChange;
+    }
+
+    qreal
+    getSmallChange() const
+    {
+        return smallChange;
+    }
+
+    qreal
+    getValue() const
+    {
+        return value;
+    }
+
 private:
     QMutex mutex;
-    ScrollBarHighlight *highlights = NULL;
+    ScrollBarHighlight *highlights;
     void paintEvent(QPaintEvent *);
 
+    int buttonHeight;
+    int trackHeight;
+
     QRect thumbRect;
+
+    qreal maximum;
+    qreal minimum;
+    qreal largeChange;
+    qreal smallChange;
+    qreal value;
+
+    void updateScroll();
 };
 
 #endif  // SCROLLBAR_H