better scroll debug widget

scrolltest.cpp

@@ -14,29 +14,29 @@ void scrolltest::paintEvent(QPaintEvent *)
     fontSize = 12;
 
     painter.setRenderHint(QPainter::SmoothPixmapTransform);
-    painter.setFont(QFont(this->fontInfo().family(), fontSize));
+    //painter.setFont(QFont(this->fontInfo().family(), fontSize));
     painter.setWindow(QRect(0, 0, this->width(), widgetWindowHeight));
 
-    painter.setPen(Qt::red);
+    //painter.setPen(Qt::red);
     painter.drawText(0,widgetWindowHeight, resultText );
 }
 
 void scrolltest::wheelEvent(QWheelEvent *we)
 {
-    int clicksX = we->angleDelta().x();
-    int clicksY = we->angleDelta().y();
+    int clicksX = abs(we->angleDelta().x());
+    int clicksY = abs(we->angleDelta().y());
 
-    if(abs(clicksX) > maxX)
+    if(clicksX > maxX)
         maxX = clicksX;
 
-    if(abs(clicksY) > maxY)
+    if(clicksY > maxY)
         maxY = clicksY;
 
-    if( (clicksX !=0) && (abs(clicksX) < minX))
-        minX = abs(clicksX);
+    if( (clicksX !=0) && (clicksX < minX))
+        minX = clicksX;
 
-    if( (clicksY !=0) && (abs(clicksY) < minY))
-        minY = abs(clicksY);
+    if( (clicksY !=0) && (clicksY < minY))
+        minY = clicksY;
 
     resultText = QString("X: %1, Y: %2, maxX: %3, maxY: %4")
              .arg(clicksX).arg(clicksY).arg(maxX).arg(maxY);

scrolltest.h

@@ -5,7 +5,6 @@
 #include <QPainter>
 #include <QWheelEvent>
 #include <QFont>
-#include <QFontMetrics>
 
 class scrolltest : public QWidget
 {