Fix glitches when dragging a ListView.

2 files changed, 6 insertions, 16 deletions

diff --git a/src/declarative/fx/qfxflickable.cpp b/src/declarative/fx/qfxflickable.cpp
index 428815a..440c1ca 100644
--- a/src/declarative/fx/qfxflickable.cpp
+++ b/src/declarative/fx/qfxflickable.cpp
@@ -607,7 +607,6 @@ void QFxFlickablePrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent *event)
 void QFxFlickablePrivate::handleMouseReleaseEvent(QGraphicsSceneMouseEvent *)
 {
     Q_Q(QFxFlickable);
-
     pressed = false;
     if (lastPosTime.isNull())
         return;
@@ -871,13 +870,8 @@ void QFxFlickable::setViewportWidth(int w)
     else
         d->_flick->setWidth(w);
     // Make sure that we're entirely in view.
-    if (d->_moveX.value() > minXExtent() || maxXExtent() > 0) {
-        d->_tl.clear();
-        d->_moveX.setValue(minXExtent());
-    } else if (d->_moveX.value() < maxXExtent()) {
-        d->_tl.clear();
-        d->_moveX.setValue(maxXExtent());
-    }
+    if (!d->pressed)
+        d->fixupX();
     emit viewportWidthChanged();
     d->updateBeginningEnd();
 }
@@ -919,13 +913,8 @@ void QFxFlickable::setViewportHeight(int h)
     else
         d->_flick->setHeight(h);
     // Make sure that we're entirely in view.
-    if (d->_moveY.value() > minYExtent() || maxYExtent() > 0) {
-        d->_tl.clear();
-        d->_moveY.setValue(minYExtent());
-    } else if (d->_moveY.value() < maxYExtent()) {
-        d->_tl.clear();
-        d->_moveY.setValue(maxYExtent());
-    }
+    if (!d->pressed)
+        d->fixupY();
     emit viewportHeightChanged();
     d->updateBeginningEnd();
 }
diff --git a/src/declarative/fx/qfxlistview.cpp b/src/declarative/fx/qfxlistview.cpp
index 4030a0b..0dfdce8 100644
--- a/src/declarative/fx/qfxlistview.cpp
+++ b/src/declarative/fx/qfxlistview.cpp
@@ -1396,13 +1396,14 @@ void QFxListView::trackedPositionChanged()
         case Free:
             if (d->trackedItem->position() < d->position()) {
                 d->setPosition(d->trackedItem->position());
+                d->fixupPosition();
             } else if (d->trackedItem->endPosition() > d->position() + d->size()) {
                 qreal pos = d->trackedItem->endPosition() - d->size();
                 if (d->trackedItem->size() > d->size())
                     pos = d->trackedItem->position();
                 d->setPosition(pos);
+                d->fixupPosition();
             }
-            d->fixupPosition();
             break;
         case Snap:
             if (d->trackedItem->position() < d->startPosition() + d->snapPos)