implement QAbstractSlider behavior

components/slider.cpp

@@ -27,8 +27,6 @@ void Slider::handleAction(int action)
     if ((SliderPageStepAdd == action && sliderPosition() > d->stepTo) ||
         (SliderPageStepSub == action && sliderPosition() < d->stepTo))
     {
-        d->step = false;
-        setRepeatAction(SliderNoAction);
         setSliderPosition(d->stepTo);
     }
 }
@@ -63,12 +61,10 @@ void Slider::mouseMoveEvent(QMouseEvent *event)
 {
     Q_D(Slider);
 
-    if (d->slide)
-    {
+    if (isSliderDown()) {
         setSliderPosition(d->valueFromPosition(event->pos()));
-    }
-    else
-    {
+    } else {
+
         QRect track(d->trackGeometry().adjusted(-2, -2, 2, 2));
 
         if (track.contains(event->pos()) != d->hoverTrack) {
@@ -98,7 +94,7 @@ void Slider::mousePressEvent(QMouseEvent *event)
     thumb.moveCenter(d->thumbGeometry().center());
 
     if (thumb.contains(pos)) {
-        d->slide = true;
+        setSliderDown(true);
         return;
     }
 
@@ -121,13 +117,11 @@ void Slider::mouseReleaseEvent(QMouseEvent *event)
 {
     Q_D(Slider);
 
-    if (d->slide) {
-        d->slide = false;
-        setValue(sliderPosition());
-        return QAbstractSlider::mouseReleaseEvent(event);
+    if (isSliderDown()) {
+        setSliderDown(false);
     } else if (d->step) {
         d->step = false;
-        setRepeatAction(SliderNoAction);
+        setRepeatAction(SliderNoAction, 0);
     }
 
     QAbstractSlider::mouseReleaseEvent(event);

components/slider_p.h

@@ -17,7 +17,6 @@ public:
         : q_ptr(parent),
           hoverTrack(false),
           hoverThumb(false),
-          slide(false),
           step(false),
           stepTo(0)
     {
@@ -37,8 +36,6 @@ public:
 
     void paintTrack(QPainter *painter)
     {
-        Q_Q(Slider);
-
         painter->save();
 
         QBrush brush;
@@ -83,8 +80,6 @@ public:
 
     void paintThumb(QPainter *painter)
     {
-        Q_Q(Slider);
-
         painter->save();
 
         QBrush brush;
@@ -135,7 +130,6 @@ public:
 
     bool hoverTrack;
     bool hoverThumb;
-    bool slide;
     bool step;
     int  stepTo;
 };