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author | Martin Jones <martin.jones@nokia.com> | 2010-02-17 04:52:24 (GMT) |
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committer | Martin Jones <martin.jones@nokia.com> | 2010-02-17 04:52:24 (GMT) |
commit | 7f6317c25e6c1ec457971ab70c850d4d2bbe4cd2 (patch) | |
tree | d9900be18b830199b5e659a23215ae9019556884 /src | |
parent | 130e3a93094f1e05759d3adae03042b876ed2d1f (diff) | |
download | Qt-7f6317c25e6c1ec457971ab70c850d4d2bbe4cd2.zip Qt-7f6317c25e6c1ec457971ab70c850d4d2bbe4cd2.tar.gz Qt-7f6317c25e6c1ec457971ab70c850d4d2bbe4cd2.tar.bz2 |
Fix currentIndex after itemsMoved()
Ensure fixupPosition() positions properly for StrictlyEnforceRange
highlight mode.
Update visibleIndex after itemsMoved().
Diffstat (limited to 'src')
-rw-r--r-- | src/declarative/graphicsitems/qmlgraphicslistview.cpp | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicslistview.cpp b/src/declarative/graphicsitems/qmlgraphicslistview.cpp index db0afe1..da6f8e0 100644 --- a/src/declarative/graphicsitems/qmlgraphicslistview.cpp +++ b/src/declarative/graphicsitems/qmlgraphicslistview.cpp @@ -1069,9 +1069,13 @@ void QmlGraphicsListViewPrivate::fixupY() fixupDuration = moveReason == Mouse ? fixupDuration : 0; if (haveHighlightRange && highlightRange == QmlGraphicsListView::StrictlyEnforceRange) { - if (currentItem && highlight && currentItem->position() != highlight->position()) { + if (currentItem && currentItem->position() - position() != highlightRangeStart) { + qreal pos = currentItem->position() - highlightRangeStart; timeline.reset(_moveY); - timeline.move(_moveY, -(currentItem->position() - highlightRangeStart), QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + if (fixupDuration) + timeline.move(_moveY, -pos, QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + else + _moveY.setValue(-pos); vTime = timeline.time(); } } else if (snapMode != QmlGraphicsListView::NoSnap) { @@ -1080,7 +1084,10 @@ void QmlGraphicsListViewPrivate::fixupY() qreal dist = qAbs(_moveY + pos); if (dist > 0) { timeline.reset(_moveY); - timeline.move(_moveY, -pos, QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + if (fixupDuration) + timeline.move(_moveY, -pos, QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + else + _moveY.setValue(-pos); vTime = timeline.time(); } } @@ -1102,9 +1109,13 @@ void QmlGraphicsListViewPrivate::fixupX() fixupDuration = moveReason == Mouse ? fixupDuration : 0; if (haveHighlightRange && highlightRange == QmlGraphicsListView::StrictlyEnforceRange) { - if (currentItem && highlight && currentItem->position() != highlight->position()) { + if (currentItem && currentItem->position() - position() != highlightRangeStart) { + qreal pos = currentItem->position() - highlightRangeStart; timeline.reset(_moveX); - timeline.move(_moveX, -(currentItem->position() - highlightRangeStart), QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + if (fixupDuration) + timeline.move(_moveX, -pos, QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + else + _moveX.setValue(-pos); vTime = timeline.time(); } } else if (snapMode != QmlGraphicsListView::NoSnap) { @@ -1113,7 +1124,10 @@ void QmlGraphicsListViewPrivate::fixupX() qreal dist = qAbs(_moveX + pos); if (dist > 0) { timeline.reset(_moveX); - timeline.move(_moveX, -pos, QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + if (fixupDuration) + timeline.move(_moveX, -pos, QEasingCurve(QEasingCurve::InOutQuad), fixupDuration); + else + _moveX.setValue(-pos); vTime = timeline.time(); } } @@ -2261,6 +2275,7 @@ void QmlGraphicsListView::positionViewAtIndex(int index) for (int i = 0; i < oldVisible.count(); ++i) d->releaseItem(oldVisible.at(i)); } + d->fixupPosition(); } @@ -2633,9 +2648,32 @@ void QmlGraphicsListView::itemsMoved(int from, int to, int count) ++endIndex; } + // update visibleIndex + for (it = d->visibleItems.begin(); it != d->visibleItems.end(); ++it) { + if ((*it)->index != -1) { + d->visibleIndex = (*it)->index; + break; + } + } + + // Fix current index + if (d->currentIndex >= 0 && d->currentItem) { + int oldCurrent = d->currentIndex; + d->currentIndex = d->model->indexOf(d->currentItem->item, this); + if (oldCurrent != d->currentIndex) { + d->currentItem->index = d->currentIndex; + emit currentIndexChanged(); + } + } + // Whatever moved items remain are no longer visible items. - while (moved.count()) - d->releaseItem(moved.take(moved.begin().key())); + while (moved.count()) { + int idx = moved.begin().key(); + FxListItem *item = moved.take(idx); + if (item->item == d->currentItem->item) + item->setPosition(d->positionAt(idx)); + d->releaseItem(item); + } // Ensure we don't cause an ugly list scroll. d->visibleItems.first()->setPosition(d->visibleItems.first()->position() + moveBy); |