diff options
Diffstat (limited to 'src/declarative/graphicsitems')
8 files changed, 134 insertions, 45 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp index a7a8983..a03a51d 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp +++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp @@ -230,13 +230,17 @@ void QDeclarativeFlickablePrivate::flick(AxisData &data, qreal minExtent, qreal timeline.callback(QDeclarativeTimeLineCallback(&data.move, fixupCallback, this)); if (!flickingHorizontally && q->xflick()) { flickingHorizontally = true; - emit q->flickingChanged(); // deprecated + emit q->flickingChanged(); emit q->flickingHorizontallyChanged(); + if (!flickingVertically) + emit q->flickStarted(); } if (!flickingVertically && q->yflick()) { flickingVertically = true; - emit q->flickingChanged(); // deprecated + emit q->flickingChanged(); emit q->flickingVerticallyChanged(); + if (!flickingHorizontally) + emit q->flickStarted(); } } else { timeline.reset(data.move); @@ -365,6 +369,37 @@ void QDeclarativeFlickablePrivate::updateBeginningEnd() */ /*! + \qmlsignal Flickable::onMovementStarted() + + This handler is called when the view begins moving due to user + interaction. +*/ + +/*! + \qmlsignal Flickable::onMovementEnded() + + This handler is called when the view stops moving due to user + interaction. If a flick was generated, this handler will + be triggered once the flick stops. If a flick was not + generated, the handler will be triggered when the + user stops dragging - i.e. a mouse or touch release. +*/ + +/*! + \qmlsignal Flickable::onFlickStarted() + + This handler is called when the view is flicked. A flick + starts from the point that the mouse or touch is released, + while still in motion. +*/ + +/*! + \qmlsignal Flickable::onFlickEnded() + + This handler is called when the view stops moving due to a flick. +*/ + +/*! \qmlproperty real Flickable::visibleArea.xPosition \qmlproperty real Flickable::visibleArea.widthRatio \qmlproperty real Flickable::visibleArea.yPosition @@ -474,9 +509,10 @@ void QDeclarativeFlickable::setInteractive(bool interactive) d->vTime = d->timeline.time(); d->flickingHorizontally = false; d->flickingVertically = false; - emit flickingChanged(); // deprecated + emit flickingChanged(); emit flickingHorizontallyChanged(); emit flickingVerticallyChanged(); + emit flickEnded(); } emit interactiveChanged(); } @@ -799,8 +835,10 @@ void QDeclarativeFlickable::wheelEvent(QGraphicsSceneWheelEvent *event) d->vData.velocity = qMin(event->delta() - d->vData.smoothVelocity.value(), qreal(-250.0)); d->flickingVertically = false; d->flickY(d->vData.velocity); - if (d->flickingVertically) + if (d->flickingVertically) { + d->vMoved = true; movementStarting(); + } event->accept(); } else if (xflick()) { if (event->delta() > 0) @@ -809,8 +847,10 @@ void QDeclarativeFlickable::wheelEvent(QGraphicsSceneWheelEvent *event) d->hData.velocity = qMin(event->delta() - d->hData.smoothVelocity.value(), qreal(-250.0)); d->flickingHorizontally = false; d->flickX(d->hData.velocity); - if (d->flickingHorizontally) + if (d->flickingHorizontally) { + d->hMoved = true; movementStarting(); + } event->accept(); } else { QDeclarativeItem::wheelEvent(event); @@ -1269,11 +1309,11 @@ void QDeclarativeFlickable::setFlickDeceleration(qreal deceleration) bool QDeclarativeFlickable::isFlicking() const { Q_D(const QDeclarativeFlickable); - qmlInfo(this) << "'flicking' is deprecated. Please use 'flickingHorizontally' and 'flickingVertically' instead."; return d->flickingHorizontally || d->flickingVertically; } /*! + \qmlproperty bool Flickable::flicking \qmlproperty bool Flickable::flickingHorizontally \qmlproperty bool Flickable::flickingVertically @@ -1322,11 +1362,11 @@ void QDeclarativeFlickable::setPressDelay(int delay) bool QDeclarativeFlickable::isMoving() const { Q_D(const QDeclarativeFlickable); - qmlInfo(this) << "'moving' is deprecated. Please use 'movingHorizontally' or 'movingVertically' instead."; return d->movingHorizontally || d->movingVertically; } /*! + \qmlproperty bool Flickable::moving \qmlproperty bool Flickable::movingHorizontally \qmlproperty bool Flickable::movingVertically @@ -1350,13 +1390,17 @@ void QDeclarativeFlickable::movementStarting() Q_D(QDeclarativeFlickable); if (d->hMoved && !d->movingHorizontally) { d->movingHorizontally = true; - emit movingChanged(); // deprecated + emit movingChanged(); emit movingHorizontallyChanged(); + if (!d->movingVertically) + emit movementStarted(); } - if (d->vMoved && !d->movingVertically) { + else if (d->vMoved && !d->movingVertically) { d->movingVertically = true; - emit movingChanged(); // deprecated + emit movingChanged(); emit movingVerticallyChanged(); + if (!d->movingHorizontally) + emit movementStarted(); } } @@ -1365,25 +1409,33 @@ void QDeclarativeFlickable::movementEnding() Q_D(QDeclarativeFlickable); if (d->flickingHorizontally) { d->flickingHorizontally = false; - emit flickingChanged(); // deprecated + emit flickingChanged(); emit flickingHorizontallyChanged(); + if (!d->flickingVertically) + emit flickEnded(); } if (d->flickingVertically) { d->flickingVertically = false; - emit flickingChanged(); // deprecated + emit flickingChanged(); emit flickingVerticallyChanged(); + if (!d->flickingHorizontally) + emit flickEnded(); } if (d->movingHorizontally) { d->movingHorizontally = false; d->hMoved = false; - emit movingChanged(); // deprecated + emit movingChanged(); emit movingHorizontallyChanged(); + if (!d->movingVertically) + emit movementEnded(); } if (d->movingVertically) { d->movingVertically = false; d->vMoved = false; - emit movingChanged(); // deprecated + emit movingChanged(); emit movingVerticallyChanged(); + if (!d->movingHorizontally) + emit movementEnded(); } d->hData.smoothVelocity.setValue(0); d->vData.smoothVelocity.setValue(0); diff --git a/src/declarative/graphicsitems/qdeclarativeflickable_p.h b/src/declarative/graphicsitems/qdeclarativeflickable_p.h index 7944e2b..05887b8 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable_p.h +++ b/src/declarative/graphicsitems/qdeclarativeflickable_p.h @@ -68,10 +68,10 @@ class Q_DECLARATIVE_EXPORT QDeclarativeFlickable : public QDeclarativeItem Q_PROPERTY(BoundsBehavior boundsBehavior READ boundsBehavior WRITE setBoundsBehavior NOTIFY boundsBehaviorChanged) Q_PROPERTY(qreal maximumFlickVelocity READ maximumFlickVelocity WRITE setMaximumFlickVelocity NOTIFY maximumFlickVelocityChanged) Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration NOTIFY flickDecelerationChanged) - Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged) // deprecated + Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged) Q_PROPERTY(bool movingHorizontally READ isMovingHorizontally NOTIFY movingHorizontallyChanged) Q_PROPERTY(bool movingVertically READ isMovingVertically NOTIFY movingVerticallyChanged) - Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged) // deprecated + Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged) Q_PROPERTY(bool flickingHorizontally READ isFlickingHorizontally NOTIFY flickingHorizontallyChanged) Q_PROPERTY(bool flickingVertically READ isFlickingVertically NOTIFY flickingVerticallyChanged) Q_PROPERTY(FlickableDirection flickDirection READ flickDirection WRITE setFlickDirection NOTIFY flickableDirectionChanged) // deprecated @@ -120,10 +120,10 @@ public: qreal contentY() const; void setContentY(qreal pos); - bool isMoving() const; // deprecated + bool isMoving() const; bool isMovingHorizontally() const; bool isMovingVertically() const; - bool isFlicking() const; // deprecated + bool isFlicking() const; bool isFlickingHorizontally() const; bool isFlickingVertically() const; @@ -160,10 +160,10 @@ Q_SIGNALS: void contentHeightChanged(); void contentXChanged(); void contentYChanged(); - void movingChanged(); // deprecated + void movingChanged(); void movingHorizontallyChanged(); void movingVerticallyChanged(); - void flickingChanged(); // deprecated + void flickingChanged(); void flickingHorizontallyChanged(); void flickingVerticallyChanged(); void horizontalVelocityChanged(); @@ -177,6 +177,10 @@ Q_SIGNALS: void maximumFlickVelocityChanged(); void flickDecelerationChanged(); void pressDelayChanged(); + void movementStarted(); + void movementEnded(); + void flickStarted(); + void flickEnded(); protected: virtual bool sceneEventFilter(QGraphicsItem *, QEvent *); diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index 396acd0..fe78c84 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -347,8 +347,7 @@ public: void QDeclarativeGridViewPrivate::init() { Q_Q(QDeclarativeGridView); - QObject::connect(q, SIGNAL(movingHorizontallyChanged()), q, SLOT(animStopped())); - QObject::connect(q, SIGNAL(movingVerticallyChanged()), q, SLOT(animStopped())); + QObject::connect(q, SIGNAL(movementEnded()), q, SLOT(animStopped())); q->setFlag(QGraphicsItem::ItemIsFocusScope); q->setFlickableDirection(QDeclarativeFlickable::VerticalFlick); addItemChangeListener(this, Geometry); @@ -878,13 +877,15 @@ void QDeclarativeGridViewPrivate::flick(AxisData &data, qreal minExtent, qreal m timeline.callback(QDeclarativeTimeLineCallback(&data.move, fixupCallback, this)); if (!flickingHorizontally && q->xflick()) { flickingHorizontally = true; - emit q->flickingChanged(); // deprecated + emit q->flickingChanged(); emit q->flickingHorizontallyChanged(); + emit q->flickStarted(); } if (!flickingVertically && q->yflick()) { flickingVertically = true; - emit q->flickingChanged(); // deprecated + emit q->flickingChanged(); emit q->flickingVerticallyChanged(); + emit q->flickStarted(); } } else { timeline.reset(data.move); @@ -2311,13 +2312,9 @@ void QDeclarativeGridView::destroyingItem(QDeclarativeItem *item) void QDeclarativeGridView::animStopped() { Q_D(QDeclarativeGridView); - if ((!d->movingVertically && d->flow == QDeclarativeGridView::LeftToRight) - || (!d->movingHorizontally && d->flow == QDeclarativeGridView::TopToBottom)) - { - d->bufferMode = QDeclarativeGridViewPrivate::NoBuffer; - if (d->haveHighlightRange && d->highlightRange == QDeclarativeGridView::StrictlyEnforceRange) - d->updateHighlight(); - } + d->bufferMode = QDeclarativeGridViewPrivate::NoBuffer; + if (d->haveHighlightRange && d->highlightRange == QDeclarativeGridView::StrictlyEnforceRange) + d->updateHighlight(); } void QDeclarativeGridView::refill() diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp index 9433ba0..f251ba1 100644 --- a/src/declarative/graphicsitems/qdeclarativeitem.cpp +++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp @@ -1194,7 +1194,10 @@ QDeclarativeKeysAttached *QDeclarativeKeysAttached::qmlAttachedProperties(QObjec width and height, \l {anchor-layout}{anchoring} and key handling. You can subclass QDeclarativeItem to provide your own custom visual item that inherits - these features. + these features. Note that, because it does not draw anything, QDeclarativeItem sets the + QGraphicsItem::ItemHasNoContents flag. If you subclass QDeclarativeItem to create a visual + item, you will need to unset this flag. + */ /*! diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index 20106cb..46e9ce3 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -525,8 +525,7 @@ void QDeclarativeListViewPrivate::init() Q_Q(QDeclarativeListView); q->setFlag(QGraphicsItem::ItemIsFocusScope); addItemChangeListener(this, Geometry); - QObject::connect(q, SIGNAL(movingHorizontallyChanged()), q, SLOT(animStopped())); - QObject::connect(q, SIGNAL(movingVerticallyChanged()), q, SLOT(animStopped())); + QObject::connect(q, SIGNAL(movementEnded()), q, SLOT(animStopped())); q->setFlickableDirection(QDeclarativeFlickable::VerticalFlick); ::memset(sectionCache, 0, sizeof(QDeclarativeItem*) * sectionCacheSize); } @@ -1260,13 +1259,15 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m timeline.callback(QDeclarativeTimeLineCallback(&data.move, fixupCallback, this)); if (!flickingHorizontally && q->xflick()) { flickingHorizontally = true; - emit q->flickingChanged(); // deprecated + emit q->flickingChanged(); emit q->flickingHorizontallyChanged(); + emit q->flickStarted(); } if (!flickingVertically && q->yflick()) { flickingVertically = true; - emit q->flickingChanged(); // deprecated + emit q->flickingChanged(); emit q->flickingVerticallyChanged(); + emit q->flickStarted(); } correctFlick = true; } else { @@ -2890,12 +2891,9 @@ void QDeclarativeListView::destroyingItem(QDeclarativeItem *item) void QDeclarativeListView::animStopped() { Q_D(QDeclarativeListView); - if ((!d->movingVertically && d->orient == QDeclarativeListView::Vertical) || (!d->movingHorizontally && d->orient == QDeclarativeListView::Horizontal)) - { - d->bufferMode = QDeclarativeListViewPrivate::NoBuffer; - if (d->haveHighlightRange && d->highlightRange == QDeclarativeListView::StrictlyEnforceRange) - d->updateHighlight(); - } + d->bufferMode = QDeclarativeListViewPrivate::NoBuffer; + if (d->haveHighlightRange && d->highlightRange == QDeclarativeListView::StrictlyEnforceRange) + d->updateHighlight(); } QDeclarativeListViewAttached *QDeclarativeListView::qmlAttachedProperties(QObject *obj) diff --git a/src/declarative/graphicsitems/qdeclarativepath.cpp b/src/declarative/graphicsitems/qdeclarativepath.cpp index 3d0df87..2d08c7c 100644 --- a/src/declarative/graphicsitems/qdeclarativepath.cpp +++ b/src/declarative/graphicsitems/qdeclarativepath.cpp @@ -377,7 +377,9 @@ void QDeclarativePath::createPointCache() const { Q_D(const QDeclarativePath); qreal pathLength = d->_path.length(); - const int points = int(pathLength*2); + // more points means less jitter between items as they move along the + // path, but takes longer to generate + const int points = int(pathLength*5); const int lastElement = d->_path.elementCount() - 1; d->_pointCache.resize(points+1); diff --git a/src/declarative/graphicsitems/qdeclarativepathview.cpp b/src/declarative/graphicsitems/qdeclarativepathview.cpp index 503d096..207cc25 100644 --- a/src/declarative/graphicsitems/qdeclarativepathview.cpp +++ b/src/declarative/graphicsitems/qdeclarativepathview.cpp @@ -49,6 +49,7 @@ #include <qlistmodelinterface_p.h> #include <QGraphicsSceneEvent> +#include <qmath.h> #include <math.h> QT_BEGIN_NAMESPACE @@ -279,8 +280,8 @@ void QDeclarativePathViewPrivate::updateItem(QDeclarativeItem *item, qreal perce att->setValue(attr.toUtf8(), path->attributeAt(attr, percent)); } QPointF pf = path->pointAt(percent); - item->setX(pf.x() - item->width()*item->scale()/2); - item->setY(pf.y() - item->height()*item->scale()/2); + item->setX(qRound(pf.x() - item->width()*item->scale()/2)); + item->setY(qRound(pf.y() - item->height()*item->scale()/2)); } void QDeclarativePathViewPrivate::regenerate() @@ -527,6 +528,33 @@ void QDeclarativePathView::setCurrentIndex(int idx) } /*! + \qmlmethod PathView::incrementCurrentIndex() + + Increments the current index. +*/ +void QDeclarativePathView::incrementCurrentIndex() +{ + setCurrentIndex(currentIndex()+1); +} + + +/*! + \qmlmethod PathView::decrementCurrentIndex() + + Decrements the current index. +*/ +void QDeclarativePathView::decrementCurrentIndex() +{ + Q_D(QDeclarativePathView); + if (d->model && d->model->count()) { + int idx = currentIndex()-1; + if (idx < 0) + idx = d->model->count() - 1; + setCurrentIndex(idx); + } +} + +/*! \qmlproperty real PathView::offset The offset specifies how far along the path the items are from their initial positions. @@ -1312,6 +1340,7 @@ int QDeclarativePathViewPrivate::calcCurrentIndex() if (offset < 0) offset += model->count(); current = qRound(qAbs(qmlMod(model->count() - offset, model->count()))); + current = current % model->count(); } return current; diff --git a/src/declarative/graphicsitems/qdeclarativepathview_p.h b/src/declarative/graphicsitems/qdeclarativepathview_p.h index 85f47fd..349a01c 100644 --- a/src/declarative/graphicsitems/qdeclarativepathview_p.h +++ b/src/declarative/graphicsitems/qdeclarativepathview_p.h @@ -132,6 +132,10 @@ public: static QDeclarativePathViewAttached *qmlAttachedProperties(QObject *); +public Q_SLOTS: + void incrementCurrentIndex(); + void decrementCurrentIndex(); + Q_SIGNALS: void currentIndexChanged(); void offsetChanged(); |