diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeflickable.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativeflickable.cpp | 136 |
1 files changed, 71 insertions, 65 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp index 13bb8ef..d5c58df 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp +++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp @@ -168,9 +168,7 @@ QDeclarativeFlickablePrivate::QDeclarativeFlickablePrivate() : contentItem(new QDeclarativeItem) , hData(this, &QDeclarativeFlickablePrivate::setRoundedViewportX) , vData(this, &QDeclarativeFlickablePrivate::setRoundedViewportY) - , flickingHorizontally(false), flickingVertically(false) , hMoved(false), vMoved(false) - , movingHorizontally(false), movingVertically(false) , stealMouse(false), pressed(false), interactive(true), calcVelocity(false) , deceleration(QML_FLICK_DEFAULTDECELERATION) , maxVelocity(QML_FLICK_DEFAULTMAXVELOCITY), reportedVelocitySmoothing(100) @@ -294,18 +292,18 @@ void QDeclarativeFlickablePrivate::flick(AxisData &data, qreal minExtent, qreal else timeline.accel(data.move, v, deceleration, maxDistance); timeline.callback(QDeclarativeTimeLineCallback(&data.move, fixupCallback, this)); - if (!flickingHorizontally && q->xflick()) { - flickingHorizontally = true; + if (!hData.flicking && q->xflick()) { + hData.flicking = true; emit q->flickingChanged(); emit q->flickingHorizontallyChanged(); - if (!flickingVertically) + if (!vData.flicking) emit q->flickStarted(); } - if (!flickingVertically && q->yflick()) { - flickingVertically = true; + if (!vData.flicking && q->yflick()) { + vData.flicking = true; emit q->flickingChanged(); emit q->flickingVerticallyChanged(); - if (!flickingHorizontally) + if (!hData.flicking) emit q->flickStarted(); } } else { @@ -614,11 +612,11 @@ void QDeclarativeFlickable::setInteractive(bool interactive) Q_D(QDeclarativeFlickable); if (interactive != d->interactive) { d->interactive = interactive; - if (!interactive && (d->flickingHorizontally || d->flickingVertically)) { + if (!interactive && (d->hData.flicking || d->vData.flicking)) { d->timeline.clear(); d->vTime = d->timeline.time(); - d->flickingHorizontally = false; - d->flickingVertically = false; + d->hData.flicking = false; + d->vData.flicking = false; emit flickingChanged(); emit flickingHorizontallyChanged(); emit flickingVerticallyChanged(); @@ -771,8 +769,8 @@ void QDeclarativeFlickablePrivate::handleMousePressEvent(QGraphicsSceneMouseEven pressPos = event->pos(); hData.pressPos = hData.move.value(); vData.pressPos = vData.move.value(); - flickingHorizontally = false; - flickingVertically = false; + hData.flicking = false; + vData.flicking = false; QDeclarativeItemPrivate::start(pressTime); QDeclarativeItemPrivate::start(velocityTime); } @@ -897,31 +895,33 @@ void QDeclarativeFlickablePrivate::handleMouseReleaseEvent(QGraphicsSceneMouseEv return; // if we drag then pause before release we should not cause a flick. - if (QDeclarativeItemPrivate::elapsed(lastPosTime) < 100) { - vData.updateVelocity(); - hData.updateVelocity(); - } else { - hData.velocity = 0.0; - vData.velocity = 0.0; - } + qint64 elapsed = QDeclarativeItemPrivate::elapsed(lastPosTime); + vData.updateVelocity(); + hData.updateVelocity(); vTime = timeline.time(); - qreal velocity = vData.velocity; + qreal velocity = elapsed < 100 ? vData.velocity : 0; if (vData.atBeginning || vData.atEnd) velocity /= 2; - if (qAbs(velocity) > MinimumFlickVelocity && qAbs(event->pos().y() - pressPos.y()) > FlickThreshold) + if (q->yflick() && qAbs(velocity) > MinimumFlickVelocity && qAbs(event->pos().y() - pressPos.y()) > FlickThreshold) { + velocityTimeline.reset(vData.smoothVelocity); + vData.smoothVelocity.setValue(-velocity); flickY(velocity); - else + } else { fixupY(); + } - velocity = hData.velocity; + velocity = elapsed < 100 ? hData.velocity : 0; if (hData.atBeginning || hData.atEnd) velocity /= 2; - if (qAbs(velocity) > MinimumFlickVelocity && qAbs(event->pos().x() - pressPos.x()) > FlickThreshold) + if (q->xflick() && qAbs(velocity) > MinimumFlickVelocity && qAbs(event->pos().x() - pressPos.x()) > FlickThreshold) { + velocityTimeline.reset(hData.smoothVelocity); + hData.smoothVelocity.setValue(-velocity); flickX(velocity); - else + } else { fixupX(); + } if (!timeline.isActive()) q->movementEnding(); @@ -978,9 +978,9 @@ void QDeclarativeFlickable::wheelEvent(QGraphicsSceneWheelEvent *event) valid = true; } if (valid) { - d->flickingVertically = false; + d->vData.flicking = false; d->flickY(d->vData.velocity); - if (d->flickingVertically) { + if (d->vData.flicking) { d->vMoved = true; movementStarting(); } @@ -996,9 +996,9 @@ void QDeclarativeFlickable::wheelEvent(QGraphicsSceneWheelEvent *event) valid = true; } if (valid) { - d->flickingHorizontally = false; + d->hData.flicking = false; d->flickX(d->hData.velocity); - if (d->flickingHorizontally) { + if (d->hData.flicking) { d->hMoved = true; movementStarting(); } @@ -1121,19 +1121,25 @@ void QDeclarativeFlickable::viewportMoved() qreal prevX = d->lastFlickablePosition.x(); qreal prevY = d->lastFlickablePosition.y(); - d->velocityTimeline.clear(); if (d->pressed || d->calcVelocity) { int elapsed = QDeclarativeItemPrivate::restart(d->velocityTime); if (elapsed > 0) { qreal horizontalVelocity = (prevX - d->hData.move.value()) * 1000 / elapsed; + if (qAbs(horizontalVelocity) > 0) { + d->velocityTimeline.reset(d->hData.smoothVelocity); + d->velocityTimeline.move(d->hData.smoothVelocity, horizontalVelocity, d->reportedVelocitySmoothing); + d->velocityTimeline.move(d->hData.smoothVelocity, 0, d->reportedVelocitySmoothing); + } qreal verticalVelocity = (prevY - d->vData.move.value()) * 1000 / elapsed; - d->velocityTimeline.move(d->hData.smoothVelocity, horizontalVelocity, d->reportedVelocitySmoothing); - d->velocityTimeline.move(d->hData.smoothVelocity, 0, d->reportedVelocitySmoothing); - d->velocityTimeline.move(d->vData.smoothVelocity, verticalVelocity, d->reportedVelocitySmoothing); - d->velocityTimeline.move(d->vData.smoothVelocity, 0, d->reportedVelocitySmoothing); + if (qAbs(verticalVelocity) > 0) { + d->velocityTimeline.reset(d->vData.smoothVelocity); + d->velocityTimeline.move(d->vData.smoothVelocity, verticalVelocity, d->reportedVelocitySmoothing); + d->velocityTimeline.move(d->vData.smoothVelocity, 0, d->reportedVelocitySmoothing); + } } } else { if (d->timeline.time() > d->vTime) { + d->velocityTimeline.clear(); qreal horizontalVelocity = (prevX - d->hData.move.value()) * 1000 / (d->timeline.time() - d->vTime); qreal verticalVelocity = (prevY - d->vData.move.value()) * 1000 / (d->timeline.time() - d->vTime); d->hData.smoothVelocity.setValue(horizontalVelocity); @@ -1141,7 +1147,7 @@ void QDeclarativeFlickable::viewportMoved() } } - if (!d->vData.inOvershoot && !d->vData.fixingUp && d->flickingVertically + if (!d->vData.inOvershoot && !d->vData.fixingUp && d->vData.flicking && (d->vData.move.value() > minYExtent() || d->vData.move.value() < maxYExtent()) && qAbs(d->vData.smoothVelocity.value()) > 100) { // Increase deceleration if we've passed a bound @@ -1151,7 +1157,7 @@ void QDeclarativeFlickable::viewportMoved() d->timeline.accel(d->vData.move, -d->vData.smoothVelocity.value(), d->deceleration*QML_FLICK_OVERSHOOTFRICTION, maxDistance); d->timeline.callback(QDeclarativeTimeLineCallback(&d->vData.move, d->fixupY_callback, d)); } - if (!d->hData.inOvershoot && !d->hData.fixingUp && d->flickingHorizontally + if (!d->hData.inOvershoot && !d->hData.fixingUp && d->hData.flicking && (d->hData.move.value() > minXExtent() || d->hData.move.value() < maxXExtent()) && qAbs(d->hData.smoothVelocity.value()) > 100) { // Increase deceleration if we've passed a bound @@ -1183,7 +1189,7 @@ void QDeclarativeFlickable::geometryChanged(const QRectF &newGeometry, emit contentWidthChanged(); } // Make sure that we're entirely in view. - if (!d->pressed && !d->movingHorizontally && !d->movingVertically) { + if (!d->pressed && !d->hData.moving && !d->vData.moving) { d->fixupMode = QDeclarativeFlickablePrivate::Immediate; d->fixupX(); } @@ -1196,7 +1202,7 @@ void QDeclarativeFlickable::geometryChanged(const QRectF &newGeometry, emit contentHeightChanged(); } // Make sure that we're entirely in view. - if (!d->pressed && !d->movingHorizontally && !d->movingVertically) { + if (!d->pressed && !d->hData.moving && !d->vData.moving) { d->fixupMode = QDeclarativeFlickablePrivate::Immediate; d->fixupY(); } @@ -1351,7 +1357,7 @@ void QDeclarativeFlickable::setContentWidth(qreal w) else d->contentItem->setWidth(w); // Make sure that we're entirely in view. - if (!d->pressed && !d->movingHorizontally && !d->movingVertically) { + if (!d->pressed && !d->hData.moving && !d->vData.moving) { d->fixupMode = QDeclarativeFlickablePrivate::Immediate; d->fixupX(); } else if (!d->pressed && d->hData.fixingUp) { @@ -1379,7 +1385,7 @@ void QDeclarativeFlickable::setContentHeight(qreal h) else d->contentItem->setHeight(h); // Make sure that we're entirely in view. - if (!d->pressed && !d->movingHorizontally && !d->movingVertically) { + if (!d->pressed && !d->hData.moving && !d->vData.moving) { d->fixupMode = QDeclarativeFlickablePrivate::Immediate; d->fixupY(); } else if (!d->pressed && d->vData.fixingUp) { @@ -1635,7 +1641,7 @@ void QDeclarativeFlickable::setFlickDeceleration(qreal deceleration) bool QDeclarativeFlickable::isFlicking() const { Q_D(const QDeclarativeFlickable); - return d->flickingHorizontally || d->flickingVertically; + return d->hData.flicking || d->vData.flicking; } /*! @@ -1649,13 +1655,13 @@ bool QDeclarativeFlickable::isFlicking() const bool QDeclarativeFlickable::isFlickingHorizontally() const { Q_D(const QDeclarativeFlickable); - return d->flickingHorizontally; + return d->hData.flicking; } bool QDeclarativeFlickable::isFlickingVertically() const { Q_D(const QDeclarativeFlickable); - return d->flickingVertically; + return d->vData.flicking; } /*! @@ -1691,7 +1697,7 @@ void QDeclarativeFlickable::setPressDelay(int delay) bool QDeclarativeFlickable::isMoving() const { Q_D(const QDeclarativeFlickable); - return d->movingHorizontally || d->movingVertically; + return d->hData.moving || d->vData.moving; } /*! @@ -1706,30 +1712,30 @@ bool QDeclarativeFlickable::isMoving() const bool QDeclarativeFlickable::isMovingHorizontally() const { Q_D(const QDeclarativeFlickable); - return d->movingHorizontally; + return d->hData.moving; } bool QDeclarativeFlickable::isMovingVertically() const { Q_D(const QDeclarativeFlickable); - return d->movingVertically; + return d->vData.moving; } void QDeclarativeFlickable::movementStarting() { Q_D(QDeclarativeFlickable); - if (d->hMoved && !d->movingHorizontally) { - d->movingHorizontally = true; + if (d->hMoved && !d->hData.moving) { + d->hData.moving = true; emit movingChanged(); emit movingHorizontallyChanged(); - if (!d->movingVertically) + if (!d->vData.moving) emit movementStarted(); } - else if (d->vMoved && !d->movingVertically) { - d->movingVertically = true; + else if (d->vMoved && !d->vData.moving) { + d->vData.moving = true; emit movingChanged(); emit movingVerticallyChanged(); - if (!d->movingHorizontally) + if (!d->hData.moving) emit movementStarted(); } } @@ -1746,20 +1752,20 @@ void QDeclarativeFlickable::movementEnding() void QDeclarativeFlickable::movementXEnding() { Q_D(QDeclarativeFlickable); - if (d->flickingHorizontally) { - d->flickingHorizontally = false; + if (d->hData.flicking) { + d->hData.flicking = false; emit flickingChanged(); emit flickingHorizontallyChanged(); - if (!d->flickingVertically) + if (!d->vData.flicking) emit flickEnded(); } if (!d->pressed && !d->stealMouse) { - if (d->movingHorizontally) { - d->movingHorizontally = false; + if (d->hData.moving) { + d->hData.moving = false; d->hMoved = false; emit movingChanged(); emit movingHorizontallyChanged(); - if (!d->movingVertically) + if (!d->vData.moving) emit movementEnded(); } } @@ -1769,20 +1775,20 @@ void QDeclarativeFlickable::movementXEnding() void QDeclarativeFlickable::movementYEnding() { Q_D(QDeclarativeFlickable); - if (d->flickingVertically) { - d->flickingVertically = false; + if (d->vData.flicking) { + d->vData.flicking = false; emit flickingChanged(); emit flickingVerticallyChanged(); - if (!d->flickingHorizontally) + if (!d->hData.flicking) emit flickEnded(); } if (!d->pressed && !d->stealMouse) { - if (d->movingVertically) { - d->movingVertically = false; + if (d->vData.moving) { + d->vData.moving = false; d->vMoved = false; emit movingChanged(); emit movingVerticallyChanged(); - if (!d->movingHorizontally) + if (!d->hData.moving) emit movementEnded(); } } |