diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativelistview.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativelistview.cpp | 130 |
1 files changed, 75 insertions, 55 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index 84281c8..cbf8eac 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -44,7 +44,7 @@ #include "qdeclarativeflickable_p_p.h" #include "qdeclarativevisualitemmodel_p.h" -#include <qdeclarativeeasefollow_p.h> +#include "qdeclarativesmoothedanimation_p_p.h" #include <qdeclarativeexpression.h> #include <qdeclarativeengine.h> #include <qdeclarativeguard_p.h> @@ -455,8 +455,8 @@ public: enum MovementReason { Other, SetIndex, Mouse }; MovementReason moveReason; int buffer; - QDeclarativeEaseFollow *highlightPosAnimator; - QDeclarativeEaseFollow *highlightSizeAnimator; + QSmoothedAnimation *highlightPosAnimator; + QSmoothedAnimation *highlightSizeAnimator; QDeclarativeViewSection *sectionCriteria; QString currentSection; static const int sectionCacheSize = 3; @@ -541,7 +541,7 @@ FxListItem *QDeclarativeListViewPrivate::createItem(int modelIndex) listItem->item->setZValue(1); // complete model->completeItem(); - listItem->item->setParent(q->viewport()); + listItem->item->setParentItem(q->viewport()); QDeclarativeItemPrivate *itemPrivate = static_cast<QDeclarativeItemPrivate*>(QGraphicsItemPrivate::get(item)); itemPrivate->addItemChangeListener(this, QDeclarativeItemPrivate::Geometry); if (sectionCriteria && sectionCriteria->delegate()) { @@ -562,7 +562,7 @@ void QDeclarativeListViewPrivate::releaseItem(FxListItem *item) return; if (trackedItem == item) { const char *notifier1 = orient == QDeclarativeListView::Vertical ? SIGNAL(yChanged()) : SIGNAL(xChanged()); - const char *notifier2 = orient == QDeclarativeListView::Vertical ? SIGNAL(heightChanged(qreal)) : SIGNAL(widthChanged(qreal)); + const char *notifier2 = orient == QDeclarativeListView::Vertical ? SIGNAL(heightChanged()) : SIGNAL(widthChanged()); QObject::disconnect(trackedItem->item, notifier1, q, SLOT(trackedPositionChanged())); QObject::disconnect(trackedItem->item, notifier2, q, SLOT(trackedPositionChanged())); trackedItem = 0; @@ -763,7 +763,7 @@ void QDeclarativeListViewPrivate::updateTrackedItem() FxListItem *oldTracked = trackedItem; const char *notifier1 = orient == QDeclarativeListView::Vertical ? SIGNAL(yChanged()) : SIGNAL(xChanged()); - const char *notifier2 = orient == QDeclarativeListView::Vertical ? SIGNAL(heightChanged(qreal)) : SIGNAL(widthChanged(qreal)); + const char *notifier2 = orient == QDeclarativeListView::Vertical ? SIGNAL(heightChanged()) : SIGNAL(widthChanged()); if (trackedItem && item != trackedItem) { QObject::disconnect(trackedItem->item, notifier1, q, SLOT(trackedPositionChanged())); @@ -803,7 +803,7 @@ void QDeclarativeListViewPrivate::createHighlight() QDeclarativeContext *highlightContext = new QDeclarativeContext(qmlContext(q)); QObject *nobj = highlightComponent->create(highlightContext); if (nobj) { - highlightContext->setParent(nobj); + QDeclarative_setParent_noEvent(highlightContext, nobj); item = qobject_cast<QDeclarativeItem *>(nobj); if (!item) delete nobj; @@ -814,7 +814,8 @@ void QDeclarativeListViewPrivate::createHighlight() item = new QDeclarativeItem; } if (item) { - item->setParent(q->viewport()); + QDeclarative_setParent_noEvent(item, q->viewport()); + item->setParentItem(q->viewport()); highlight = new FxListItem(item, q); if (currentItem && autoHighlight) { if (orient == QDeclarativeListView::Vertical) { @@ -824,15 +825,15 @@ void QDeclarativeListViewPrivate::createHighlight() } } const QLatin1String posProp(orient == QDeclarativeListView::Vertical ? "y" : "x"); - highlightPosAnimator = new QDeclarativeEaseFollow(q); - highlightPosAnimator->setTarget(QDeclarativeProperty(highlight->item, posProp)); - highlightPosAnimator->setVelocity(highlightMoveSpeed); - highlightPosAnimator->setEnabled(autoHighlight); + highlightPosAnimator = new QSmoothedAnimation(q); + highlightPosAnimator->target = QDeclarativeProperty(highlight->item, posProp); + highlightPosAnimator->velocity = highlightMoveSpeed; + highlightPosAnimator->restart(); const QLatin1String sizeProp(orient == QDeclarativeListView::Vertical ? "height" : "width"); - highlightSizeAnimator = new QDeclarativeEaseFollow(q); - highlightSizeAnimator->setVelocity(highlightResizeSpeed); - highlightSizeAnimator->setTarget(QDeclarativeProperty(highlight->item, sizeProp)); - highlightSizeAnimator->setEnabled(autoHighlight); + highlightSizeAnimator = new QSmoothedAnimation(q); + highlightSizeAnimator->velocity = highlightResizeSpeed; + highlightSizeAnimator->target = QDeclarativeProperty(highlight->item, sizeProp); + highlightSizeAnimator->restart(); changed = true; } } @@ -846,8 +847,8 @@ void QDeclarativeListViewPrivate::updateHighlight() createHighlight(); if (currentItem && autoHighlight && highlight && !moving) { // auto-update highlight - highlightPosAnimator->setSourceValue(currentItem->position()); - highlightSizeAnimator->setSourceValue(currentItem->size()); + highlightPosAnimator->to = currentItem->position(); + highlightSizeAnimator->to = currentItem->size(); if (orient == QDeclarativeListView::Vertical) { if (highlight->item->width() == 0) highlight->item->setWidth(currentItem->item->width()); @@ -855,6 +856,8 @@ void QDeclarativeListViewPrivate::updateHighlight() if (highlight->item->height() == 0) highlight->item->setHeight(currentItem->item->height()); } + highlightPosAnimator->restart(); + highlightSizeAnimator->restart(); } updateTrackedItem(); } @@ -880,13 +883,14 @@ void QDeclarativeListViewPrivate::createSection(FxListItem *listItem) context->setContextProperty(QLatin1String("section"), listItem->attached->m_section); QObject *nobj = sectionCriteria->delegate()->create(context); if (nobj) { - context->setParent(nobj); + QDeclarative_setParent_noEvent(context, nobj); listItem->section = qobject_cast<QDeclarativeItem *>(nobj); if (!listItem->section) { delete nobj; } else { listItem->section->setZValue(1); - listItem->section->setParent(q->viewport()); + QDeclarative_setParent_noEvent(listItem->section, q->viewport()); + listItem->section->setParentItem(q->viewport()); } } else { delete context; @@ -1002,7 +1006,7 @@ void QDeclarativeListViewPrivate::updateFooter() QDeclarativeContext *context = new QDeclarativeContext(qmlContext(q)); QObject *nobj = footerComponent->create(context); if (nobj) { - context->setParent(nobj); + QDeclarative_setParent_noEvent(context, nobj); item = qobject_cast<QDeclarativeItem *>(nobj); if (!item) delete nobj; @@ -1010,7 +1014,8 @@ void QDeclarativeListViewPrivate::updateFooter() delete context; } if (item) { - item->setParent(q->viewport()); + QDeclarative_setParent_noEvent(item, q->viewport()); + item->setParentItem(q->viewport()); item->setZValue(1); footer = new FxListItem(item, q); } @@ -1039,7 +1044,7 @@ void QDeclarativeListViewPrivate::updateHeader() QDeclarativeContext *context = new QDeclarativeContext(qmlContext(q)); QObject *nobj = headerComponent->create(context); if (nobj) { - context->setParent(nobj); + QDeclarative_setParent_noEvent(context, nobj); item = qobject_cast<QDeclarativeItem *>(nobj); if (!item) delete nobj; @@ -1047,7 +1052,8 @@ void QDeclarativeListViewPrivate::updateHeader() delete context; } if (item) { - item->setParent(q->viewport()); + QDeclarative_setParent_noEvent(item, q->viewport()); + item->setParentItem(q->viewport()); item->setZValue(1); header = new FxListItem(item, q); if (visibleItems.isEmpty()) @@ -1136,28 +1142,32 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m QDeclarativeFlickablePrivate::flick(data, minExtent, maxExtent, vSize, fixupCallback, velocity); return; } - qreal maxDistance = -1; - // -ve velocity means list is moving up + qreal maxDistance = 0; + // -ve velocity means list is moving up/left if (velocity > 0) { - if (snapMode == QDeclarativeListView::SnapOneItem) { - if (FxListItem *item = firstVisibleItem()) - maxDistance = qAbs(item->position() + data.move.value()); - } else if (data.move.value() < minExtent) { - maxDistance = qAbs(minExtent - data.move.value()); + if (data.move.value() < minExtent) { + if (snapMode == QDeclarativeListView::SnapOneItem) { + if (FxListItem *item = firstVisibleItem()) + maxDistance = qAbs(item->position() + data.move.value()); + } else { + maxDistance = qAbs(minExtent - data.move.value()); + } } if (snapMode != QDeclarativeListView::SnapToItem && highlightRange != QDeclarativeListView::StrictlyEnforceRange) data.flickTarget = minExtent; } else { - if (snapMode == QDeclarativeListView::SnapOneItem) { - if (FxListItem *item = nextVisibleItem()) - maxDistance = qAbs(item->position() + data.move.value()); - } else if (data.move.value() > maxExtent) { - maxDistance = qAbs(maxExtent - data.move.value()); + if (data.move.value() > maxExtent) { + if (snapMode == QDeclarativeListView::SnapOneItem) { + if (FxListItem *item = nextVisibleItem()) + maxDistance = qAbs(item->position() + data.move.value()); + } else { + maxDistance = qAbs(maxExtent - data.move.value()); + } } if (snapMode != QDeclarativeListView::SnapToItem && highlightRange != QDeclarativeListView::StrictlyEnforceRange) data.flickTarget = maxExtent; } - if (maxDistance > 0 && (snapMode != QDeclarativeListView::NoSnap || highlightRange == QDeclarativeListView::StrictlyEnforceRange)) { + if ((maxDistance > 0 || overShoot) && (snapMode != QDeclarativeListView::NoSnap || highlightRange == QDeclarativeListView::StrictlyEnforceRange)) { // These modes require the list to stop exactly on an item boundary. // The initial flick will estimate the boundary to stop on. // Since list items can have variable sizes, the boundary will be @@ -1173,8 +1183,7 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m // the initial flick - estimate boundary qreal accel = deceleration; qreal v2 = v * v; - qreal maxAccel = v2 / (2.0f * maxDistance); - if (maxAccel < accel) { + if (maxDistance > 0.0 && v2 / (2.0f * maxDistance) < accel) { // + averageSize/4 to encourage moving at least one item in the flick direction qreal dist = v2 / (accel * 2.0) + averageSize/4; if (v > 0) @@ -1328,7 +1337,7 @@ QDeclarativeListView::~QDeclarativeListView() id: wrapper SequentialAnimation on ListView.onRemove { PropertyAction { target: wrapper.ListView; property: "delayRemove"; value: true } - NumberAnimation { target: wrapper; property: "scale"; to: 0; duration: 250; easing: "easeInOutQuad" } + NumberAnimation { target: wrapper; property: "scale"; to: 0; duration: 250; easing.type: "InOutQuad" } PropertyAction { target: wrapper.ListView; property: "delayRemove"; value: false } } } @@ -1488,8 +1497,9 @@ void QDeclarativeListView::setCurrentIndex(int index) d->moveReason = QDeclarativeListViewPrivate::SetIndex; cancelFlick(); d->updateCurrent(index); - } else { + } else if (index != d->currentIndex) { d->currentIndex = index; + emit currentIndexChanged(); } } @@ -1596,10 +1606,6 @@ void QDeclarativeListView::setHighlightFollowsCurrentItem(bool autoHighlight) Q_D(QDeclarativeListView); if (d->autoHighlight != autoHighlight) { d->autoHighlight = autoHighlight; - if (d->highlightPosAnimator) { - d->highlightPosAnimator->setEnabled(d->autoHighlight); - d->highlightSizeAnimator->setEnabled(d->autoHighlight); - } d->updateHighlight(); emit highlightFollowsCurrentItemChanged(); } @@ -1859,7 +1865,7 @@ void QDeclarativeListView::setHighlightMoveSpeed(qreal speed) if (d->highlightMoveSpeed != speed) { d->highlightMoveSpeed = speed; if (d->highlightPosAnimator) - d->highlightPosAnimator->setVelocity(d->highlightMoveSpeed); + d->highlightPosAnimator->velocity = d->highlightMoveSpeed; emit highlightMoveSpeedChanged(); } } @@ -1876,7 +1882,7 @@ void QDeclarativeListView::setHighlightResizeSpeed(qreal speed) if (d->highlightResizeSpeed != speed) { d->highlightResizeSpeed = speed; if (d->highlightSizeAnimator) - d->highlightSizeAnimator->setVelocity(d->highlightResizeSpeed); + d->highlightSizeAnimator->velocity = d->highlightResizeSpeed; emit highlightResizeSpeedChanged(); } } @@ -2063,9 +2069,10 @@ qreal QDeclarativeListView::maxYExtent() const if (d->orient == QDeclarativeListView::Horizontal) return height(); if (d->maxExtentDirty) { - if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) + if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) { d->maxExtent = -(d->endPosition() - d->highlightRangeEnd); - else + d->maxExtent = qMax(d->maxExtent, -(d->positionAt(d->model->count()-1) - d->highlightRangeStart)); + } else d->maxExtent = -(d->endPosition() - height() + 1); if (d->footer) d->maxExtent -= d->footer->size(); @@ -2100,9 +2107,10 @@ qreal QDeclarativeListView::maxXExtent() const if (d->orient == QDeclarativeListView::Vertical) return width(); if (d->maxExtentDirty) { - if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) + if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) { d->maxExtent = -(d->endPosition() - d->highlightRangeEnd); - else + d->maxExtent = qMax(d->maxExtent, -(d->positionAt(d->model->count()-1) - d->highlightRangeStart)); + } else d->maxExtent = -(d->endPosition() - width() + 1); if (d->footer) d->maxExtent -= d->footer->size(); @@ -2118,9 +2126,6 @@ qreal QDeclarativeListView::maxXExtent() const void QDeclarativeListView::keyPressEvent(QKeyEvent *event) { Q_D(QDeclarativeListView); - QDeclarativeFlickable::keyPressEvent(event); - if (event->isAccepted()) - return; if (d->model && d->model->count() && d->interactive) { if ((d->orient == QDeclarativeListView::Horizontal && event->key() == Qt::Key_Left) @@ -2145,6 +2150,9 @@ void QDeclarativeListView::keyPressEvent(QKeyEvent *event) } } } + QDeclarativeFlickable::keyPressEvent(event); + if (event->isAccepted()) + return; event->ignore(); } @@ -2361,11 +2369,19 @@ void QDeclarativeListView::trackedPositionChanged() void QDeclarativeListView::itemsInserted(int modelIndex, int count) { Q_D(QDeclarativeListView); + if (!isComponentComplete()) + return; d->updateUnrequestedIndexes(); d->moveReason = QDeclarativeListViewPrivate::Other; if (!d->visibleItems.count() || d->model->count() <= 1) { d->scheduleLayout(); - d->updateCurrent(qMax(0, qMin(d->currentIndex, d->model->count()-1))); + if (d->currentIndex >= modelIndex) { + // adjust current item index + d->currentIndex += count; + if (d->currentItem) + d->currentItem->index = d->currentIndex; + emit currentIndexChanged(); + } emit countChanged(); return; } @@ -2495,6 +2511,8 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count) void QDeclarativeListView::itemsRemoved(int modelIndex, int count) { Q_D(QDeclarativeListView); + if (!isComponentComplete()) + return; d->moveReason = QDeclarativeListViewPrivate::Other; d->updateUnrequestedIndexes(); @@ -2593,6 +2611,8 @@ void QDeclarativeListView::destroyRemoved() void QDeclarativeListView::itemsMoved(int from, int to, int count) { Q_D(QDeclarativeListView); + if (!isComponentComplete()) + return; d->updateUnrequestedIndexes(); if (d->visibleItems.isEmpty()) { |