diff options
-rw-r--r-- | src/quick/items/qquickitemview.cpp | 20 | ||||
-rw-r--r-- | src/quick/items/qquickitemview_p_p.h | 2 | ||||
-rw-r--r-- | tests/auto/quick/qquickanimations/data/fastFlickingBug.qml | 114 | ||||
-rw-r--r-- | tests/auto/quick/qquickanimations/qquickanimations.pro | 1 | ||||
-rw-r--r-- | tests/auto/quick/qquickanimations/tst_qquickanimations.cpp | 30 |
5 files changed, 159 insertions, 8 deletions
diff --git a/src/quick/items/qquickitemview.cpp b/src/quick/items/qquickitemview.cpp index 2e1962bc7b..eead84d51e 100644 --- a/src/quick/items/qquickitemview.cpp +++ b/src/quick/items/qquickitemview.cpp @@ -1874,15 +1874,21 @@ void QQuickItemViewPrivate::layout() prepareVisibleItemTransitions(); - for (QList<FxViewItem*>::Iterator it = releasePendingTransition.begin(); - it != releasePendingTransition.end(); ) { - FxViewItem *item = *it; - if (prepareNonVisibleItemTransition(item, viewBounds)) { - ++it; - } else { - releaseItem(item); + for (auto it = releasePendingTransition.begin(); it != releasePendingTransition.end(); ) { + auto old_count = releasePendingTransition.count(); + auto success = prepareNonVisibleItemTransition(*it, viewBounds); + // prepareNonVisibleItemTransition() may invalidate iterators while in fast flicking + // invisible animating items are kicked in or out the viewPort + // use old_count to test if the abrupt erasure occurs + if (old_count > releasePendingTransition.count()) { + continue; + } + if (!success) { + releaseItem(*it); it = releasePendingTransition.erase(it); + continue; } + ++it; } for (int i=0; i<visibleItems.count(); i++) diff --git a/src/quick/items/qquickitemview_p_p.h b/src/quick/items/qquickitemview_p_p.h index ea5b5df9c6..aca334d931 100644 --- a/src/quick/items/qquickitemview_p_p.h +++ b/src/quick/items/qquickitemview_p_p.h @@ -287,7 +287,7 @@ public: : item(i), moveKey(k) {} }; QQuickItemViewTransitioner *transitioner; - QList<FxViewItem *> releasePendingTransition; + QVector<FxViewItem *> releasePendingTransition; mutable qreal minExtent; mutable qreal maxExtent; diff --git a/tests/auto/quick/qquickanimations/data/fastFlickingBug.qml b/tests/auto/quick/qquickanimations/data/fastFlickingBug.qml new file mode 100644 index 0000000000..b2649a801b --- /dev/null +++ b/tests/auto/quick/qquickanimations/data/fastFlickingBug.qml @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +import QtQuick 2.11 +import QtQuick.Window 2.11 + +Window { + id: root + property alias timer : timer + property alias listView : listView + property alias theModel: theModel + property variant ops: [{'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}, + {'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}, + {'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}, + {'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}, + {'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}, + {'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}, + {'op': 'add', 'count': 30}, {'op': 'add', 'count': 60}, {'op': 'rem', 'count': 40}, {'op': 'rem', 'count': 10}, {'op': 'rem', 'count': 39}] + property int opIndex : 0 + width: 400 + height: 600 + + ListModel { + id: theModel + } + + Timer { + id: timer + interval: 100 + running: false + repeat: true + onTriggered: { + if (opIndex >= ops.length) { + timer.stop() + return + } + let op = ops[opIndex] + for (var i = 0; i < op.count; ++i) { + if (op.op === "add") + theModel.append({"name": "opIndex " + opIndex}) + else + theModel.remove(0, 1); + } + opIndex = opIndex + 1 + } + } + + ListView { + id: listView + anchors.fill: parent + spacing: 4 + model: theModel + header: Text { + text: "YAnimator" + } + add: Transition { + NumberAnimation { property: "scale"; from: 0; to: 1; duration: 200 } + NumberAnimation { property: "opacity"; from: 0; to: 1; duration: 200 } + } + displaced: Transition { + YAnimator { duration: 500 } + NumberAnimation { property: "opacity"; to: 1.0; duration: 1000 } + NumberAnimation { property: "scale"; to: 1.0; duration: 1000 } + } + remove: Transition { + NumberAnimation { property: "opacity"; to: 0; duration: 200 } + NumberAnimation { property: "scale"; to: 0; duration: 200 } + } + delegate: Rectangle { + width: 200 + height: 20 + color:"red" + Text { + anchors.centerIn: parent + text: name + } + } + } +} diff --git a/tests/auto/quick/qquickanimations/qquickanimations.pro b/tests/auto/quick/qquickanimations/qquickanimations.pro index cf9c87a305..1c5494a24a 100644 --- a/tests/auto/quick/qquickanimations/qquickanimations.pro +++ b/tests/auto/quick/qquickanimations/qquickanimations.pro @@ -27,6 +27,7 @@ OTHER_FILES += \ data/dotproperty.qml \ data/Double.qml \ data/doubleRegistrationBug.qml \ + data/fastFlickingBug.qml \ data/looping.qml \ data/mixedtype1.qml \ data/mixedtype2.qml \ diff --git a/tests/auto/quick/qquickanimations/tst_qquickanimations.cpp b/tests/auto/quick/qquickanimations/tst_qquickanimations.cpp index 1dad0c771c..d9b42bdeb5 100644 --- a/tests/auto/quick/qquickanimations/tst_qquickanimations.cpp +++ b/tests/auto/quick/qquickanimations/tst_qquickanimations.cpp @@ -40,6 +40,7 @@ #include <QtQuick/private/qquickanimatorjob_p.h> #include <QtQuick/private/qquickpathinterpolator_p.h> #include <QtQuick/private/qquickitem_p.h> +#include <QtQuick/private/qquicklistview_p.h> #include <QEasingCurve> #include <limits.h> @@ -110,6 +111,7 @@ private slots: void finished(); void replacingTransitions(); void animationJobSelfDestruction(); + void fastFlickingBug(); }; #define QTIMED_COMPARE(lhs, rhs) do { \ @@ -1744,6 +1746,34 @@ void tst_qquickanimations::animationJobSelfDestruction() QTest::qWait(1000); } +void tst_qquickanimations::fastFlickingBug() +{ + // Don't crash + QQmlEngine engine; + engine.clearComponentCache(); + QQmlComponent c(&engine, testFileUrl("fastFlickingBug.qml")); + QScopedPointer<QQuickWindow> win(qobject_cast<QQuickWindow*>(c.create())); + if (!c.errors().isEmpty()) + qDebug() << c.errorString(); + QVERIFY(win); + win->setTitle(QTest::currentTestFunction()); + win->show(); + QVERIFY(QTest::qWaitForWindowExposed(win.data())); + auto timer = win->property("timer").value<QQmlTimer*>(); + QVERIFY(timer); + QCOMPARE(timer->isRunning(), false); + auto listView = win->property("listView").value<QQuickFlickable*>(); + QVERIFY(listView); + timer->start(); + // flick listView up and down quickly in the middle of a slow transition + for (int sign = 1; timer->isRunning(); sign *= -1) { + listView->flick(0, sign * 4000); + qApp->processEvents(); + QTest::qWait(53); + qApp->processEvents(); + } +} + QTEST_MAIN(tst_qquickanimations) #include "tst_qquickanimations.moc" |