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author | Jason McDonald <jason.mcdonald@nokia.com> | 2010-11-18 01:19:33 (GMT) |
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committer | Jason McDonald <jason.mcdonald@nokia.com> | 2010-11-18 01:19:33 (GMT) |
commit | 051793b7558ed16dfcb84f62ce3bd4a1545906a7 (patch) | |
tree | 2496fdaec40857e9982c93d18107e09e233145d4 /src/declarative/graphicsitems/qdeclarativepathview.cpp | |
parent | 14ddf44ce2fdd7195741b9683226a3cd774e17e4 (diff) | |
parent | cca7c5b40751e2192ba2c7c7422557eeb5672a17 (diff) | |
download | Qt-051793b7558ed16dfcb84f62ce3bd4a1545906a7.zip Qt-051793b7558ed16dfcb84f62ce3bd4a1545906a7.tar.gz Qt-051793b7558ed16dfcb84f62ce3bd4a1545906a7.tar.bz2 |
Merge remote branch 'qt/4.7' into 4.7
Conflicts:
tools/qdoc3/test/qt-build-docs.qdocconf
tools/qdoc3/test/qt.qdocconf
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativepathview.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativepathview.cpp | 48 |
1 files changed, 37 insertions, 11 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativepathview.cpp b/src/declarative/graphicsitems/qdeclarativepathview.cpp index dc3d5ee..7c79afe 100644 --- a/src/declarative/graphicsitems/qdeclarativepathview.cpp +++ b/src/declarative/graphicsitems/qdeclarativepathview.cpp @@ -373,7 +373,21 @@ void QDeclarativePathViewPrivate::regenerate() opacity of the items as they rotate. This additional code can be seen in the PathAttribute documentation.) - The \c focus can be set to \c true to enable keyboard navigation. + PathView does not automatically handle keyboard navigation. This is because + the keys to use for navigation will depend upon the shape of the path. Navigation + can be added quite simply by setting \c focus to \c true and calling + \l decrementCurrentIndex() or \l incrementCurrentIndex(), for example to navigate + using the left and right arrow keys: + + \code + PathView { + ... + focus: true + Keys.onLeftPressed: decrementCurrentIndex() + Keys.onRightPressed: incrementCurrentIndex() + } + \endcode + The path view itself is a focus scope (see \l{qmlfocus#Acquiring Focus and Focus Scopes}{the focus documentation page} for more details). Delegates are instantiated as needed and may be destroyed at any time. @@ -523,7 +537,6 @@ int QDeclarativePathView::count() const /*! \qmlproperty Path PathView::path - \default This property holds the path used to lay out the items. For more information see the \l Path documentation. */ @@ -607,6 +620,8 @@ void QDeclarativePathView::setCurrentIndex(int idx) */ void QDeclarativePathView::incrementCurrentIndex() { + Q_D(QDeclarativePathView); + d->moveDirection = QDeclarativePathViewPrivate::Positive; setCurrentIndex(currentIndex()+1); } @@ -625,6 +640,7 @@ void QDeclarativePathView::decrementCurrentIndex() int idx = currentIndex()-1; if (idx < 0) idx = d->modelCount - 1; + d->moveDirection = QDeclarativePathViewPrivate::Negative; setCurrentIndex(idx); } } @@ -995,6 +1011,7 @@ void QDeclarativePathView::setDelegate(QDeclarativeComponent *delegate) } if (QDeclarativeVisualDataModel *dataModel = qobject_cast<QDeclarativeVisualDataModel*>(d->model)) { dataModel->setDelegate(delegate); + d->modelCount = dataModel->count(); d->regenerate(); emit delegateChanged(); } @@ -1636,7 +1653,7 @@ void QDeclarativePathViewPrivate::snapToCurrent() if (!model || modelCount <= 0) return; - qreal targetOffset = modelCount - currentIndex; + qreal targetOffset = qmlMod(modelCount - currentIndex, modelCount); moveReason = Other; offsetAdj = 0.0; @@ -1645,19 +1662,28 @@ void QDeclarativePathViewPrivate::snapToCurrent() const int duration = highlightMoveDuration; - if (targetOffset - offset > modelCount/2) { + if (moveDirection == Positive || (moveDirection == Shortest && targetOffset - offset > modelCount/2)) { qreal distance = modelCount - targetOffset + offset; - tl.move(moveOffset, 0.0, QEasingCurve(QEasingCurve::InQuad), int(duration * offset / distance)); - tl.set(moveOffset, modelCount); - tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::OutQuad), int(duration * (modelCount-targetOffset) / distance)); - } else if (targetOffset - offset <= -modelCount/2) { + if (targetOffset > moveOffset) { + tl.move(moveOffset, 0.0, QEasingCurve(QEasingCurve::InQuad), int(duration * offset / distance)); + tl.set(moveOffset, modelCount); + tl.move(moveOffset, targetOffset, QEasingCurve(offset == 0.0 ? QEasingCurve::InOutQuad : QEasingCurve::OutQuad), int(duration * (modelCount-targetOffset) / distance)); + } else { + tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::InOutQuad), duration); + } + } else if (moveDirection == Negative || targetOffset - offset <= -modelCount/2) { qreal distance = modelCount - offset + targetOffset; - tl.move(moveOffset, modelCount, QEasingCurve(QEasingCurve::InQuad), int(duration * (modelCount-offset) / distance)); - tl.set(moveOffset, 0.0); - tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::OutQuad), int(duration * targetOffset / distance)); + if (targetOffset < moveOffset) { + tl.move(moveOffset, modelCount, QEasingCurve(targetOffset == 0 ? QEasingCurve::InOutQuad : QEasingCurve::InQuad), int(duration * (modelCount-offset) / distance)); + tl.set(moveOffset, 0.0); + tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::OutQuad), int(duration * targetOffset / distance)); + } else { + tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::InOutQuad), duration); + } } else { tl.move(moveOffset, targetOffset, QEasingCurve(QEasingCurve::InOutQuad), duration); } + moveDirection = Shortest; } QDeclarativePathViewAttached *QDeclarativePathView::qmlAttachedProperties(QObject *obj) |