From 3a80424aeae19e838be03aa12a5243911ec3f020 Mon Sep 17 00:00:00 2001 From: Andrew den Exter Date: Tue, 12 Mar 2013 16:04:54 +1000 Subject: Fix jump and property changes on first move when dragging a Flickable. Fixes a regression whereby on the first mouse move the contentItem was moved the total distance from the touch point to where the drag distance was exceeded. For large drag thresholds this causes a noticeable jump. Task-number: QTBUG-30032 Change-Id: I92c119d27dc2e22203484f9ada5978697d171957 Reviewed-by: Martin Jones --- src/declarative/graphicsitems/qdeclarativeflickable.cpp | 8 ++++---- .../qdeclarativeflickable/tst_qdeclarativeflickable.cpp | 6 ++++++ .../qdeclarativemousearea/tst_qdeclarativemousearea.cpp | 4 ++-- 3 files changed, 12 insertions(+), 6 deletions(-) diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp index c0c7b2a0..64ae2094 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp +++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp @@ -789,9 +789,9 @@ void QDeclarativeFlickablePrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent if (q->yflick()) { int dy = int(event->pos().y() - pressPos.y()); - if (vData.dragStartOffset == 0) - vData.dragStartOffset = dy; if (qAbs(dy) > QApplication::startDragDistance() || QDeclarativeItemPrivate::elapsed(pressTime) > 200) { + if (!vMoved) + vData.dragStartOffset = dy; qreal newY = dy + vData.pressPos - vData.dragStartOffset; const qreal minY = vData.dragMinBound; const qreal maxY = vData.dragMaxBound; @@ -818,9 +818,9 @@ void QDeclarativeFlickablePrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent if (q->xflick()) { int dx = int(event->pos().x() - pressPos.x()); - if (hData.dragStartOffset == 0) - hData.dragStartOffset = dx; if (qAbs(dx) > QApplication::startDragDistance() || QDeclarativeItemPrivate::elapsed(pressTime) > 200) { + if (!hMoved) + hData.dragStartOffset = dx; qreal newX = dx + hData.pressPos - hData.dragStartOffset; const qreal minX = hData.dragMinBound; const qreal maxX = hData.dragMaxBound; diff --git a/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp b/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp index b0fa7bd6..c8a98d33 100644 --- a/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp +++ b/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp @@ -576,6 +576,9 @@ void tst_qdeclarativeflickable::nestedStopAtBounds() axis += invert ? threshold : -threshold; moveEvent.setScenePos(position); QApplication::sendEvent(view.scene(), &moveEvent); + axis += invert ? threshold : -threshold; + moveEvent.setScenePos(position); + QApplication::sendEvent(view.scene(), &moveEvent); QVERIFY(outer->contentX() != 50 || outer->contentY() != 50); QVERIFY((inner->contentX() == 0 || inner->contentX() == 100) && (inner->contentY() == 0 || inner->contentY() == 100)); @@ -594,6 +597,9 @@ void tst_qdeclarativeflickable::nestedStopAtBounds() axis += invert ? -threshold : threshold; moveEvent.setScenePos(position); QApplication::sendEvent(view.scene(), &moveEvent); + axis += invert ? -threshold : threshold; + moveEvent.setScenePos(position); + QApplication::sendEvent(view.scene(), &moveEvent); QVERIFY(outer->contentX() == 50 && outer->contentY() == 50); QVERIFY((inner->contentX() != 0 && inner->contentX() != 100) || (inner->contentY() != 0 && inner->contentY() != 100)); diff --git a/tests/auto/declarative/qdeclarativemousearea/tst_qdeclarativemousearea.cpp b/tests/auto/declarative/qdeclarativemousearea/tst_qdeclarativemousearea.cpp index 37e64d4d..855ad602 100644 --- a/tests/auto/declarative/qdeclarativemousearea/tst_qdeclarativemousearea.cpp +++ b/tests/auto/declarative/qdeclarativemousearea/tst_qdeclarativemousearea.cpp @@ -597,8 +597,8 @@ void tst_QDeclarativeMouseArea::preventStealing() QVERIFY(!mouseArea->pressed()); // Flickable content should have moved. - QCOMPARE(flickable->contentX(), 30.); - QCOMPARE(flickable->contentY(), 30.); + QCOMPARE(flickable->contentX(), 15.); + QCOMPARE(flickable->contentY(), 15.); QTest::mouseRelease(canvas->viewport(), Qt::LeftButton, 0, canvas->mapFromScene(QPoint(50, 50))); -- cgit v1.2.3