RangeSlider: update handle positions when 'from' or 'to' value is changed

The RangeSlider's setTo() and setFrom() implementation was not updating
the positions of the handles. This patch fixes it and aligns the
behavior with the basic Slider.

Fixes: QTBUG-98482
Pick-to: 5.15 6.2
Change-Id: I482c416f91be2b97af1d922305dfe6fc1f5bd573
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/quicktemplates2/qquickrangeslider.cpp b/src/quicktemplates2/qquickrangeslider.cpp
index c006dda7cf..539a29b83f 100644
--- a/src/quicktemplates2/qquickrangeslider.cpp
+++ b/src/quicktemplates2/qquickrangeslider.cpp
@@ -679,6 +679,10 @@ void QQuickRangeSlider::setFrom(qreal from)
     if (isComponentComplete()) {
         d->first->setValue(d->first->value());
         d->second->setValue(d->second->value());
+        auto *firstPrivate = QQuickRangeSliderNodePrivate::get(d->first);
+        auto *secondPrivate = QQuickRangeSliderNodePrivate::get(d->second);
+        firstPrivate->updatePosition(true);
+        secondPrivate->updatePosition();
     }
 }
 
@@ -707,6 +711,10 @@ void QQuickRangeSlider::setTo(qreal to)
     if (isComponentComplete()) {
         d->first->setValue(d->first->value());
         d->second->setValue(d->second->value());
+        auto *firstPrivate = QQuickRangeSliderNodePrivate::get(d->first);
+        auto *secondPrivate = QQuickRangeSliderNodePrivate::get(d->second);
+        firstPrivate->updatePosition(true);
+        secondPrivate->updatePosition();
     }
 }