diff options
author | Fabio Falsini <falsinsoft@gmail.com> | 2019-11-20 20:04:30 +0100 |
---|---|---|
committer | Fabio Falsini <falsinsoft@gmail.com> | 2020-01-06 15:17:45 +0100 |
commit | 9d9c5a786c1c3c5986461fc9d885ca7c5ef06b83 (patch) | |
tree | e4ee4b867945d46a5aba7b9e38533db61231b37e | |
parent | 0c2eaad357e555ccaf4fecf42aef03576bbae133 (diff) |
Add QQuickItemParticle give() method body
The current version of QQuickItemParticle give() method was not
implemented and a simple TODO comment was present instead.
I added a working body and add also a reparent feature when an
added item is released.
Fixes: QTBUG-76827
Change-Id: Ib7d289cad2ff0cd166e766eb7f07e92437e7681b
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
-rw-r--r-- | src/particles/qquickitemparticle.cpp | 24 | ||||
-rw-r--r-- | src/particles/qquickitemparticle_p.h | 3 | ||||
-rw-r--r-- | tests/auto/particles/qquickitemparticle/data/takeGive.qml | 74 | ||||
-rw-r--r-- | tests/auto/particles/qquickitemparticle/tst_qquickitemparticle.cpp | 13 |
4 files changed, 108 insertions, 6 deletions
diff --git a/src/particles/qquickitemparticle.cpp b/src/particles/qquickitemparticle.cpp index fc28864746..740d0f60f3 100644 --- a/src/particles/qquickitemparticle.cpp +++ b/src/particles/qquickitemparticle.cpp @@ -159,8 +159,15 @@ void QQuickItemParticle::take(QQuickItem *item, bool prioritize) void QQuickItemParticle::give(QQuickItem *item) { - //TODO: This - Q_UNUSED(item); + for (auto groupId : groupIds()) { + for (QQuickParticleData* data : qAsConst(m_system->groupData[groupId]->data)) { + if (data->delegate == item){ + m_deletables << item; + data->delegate = nullptr; + return; + } + } + } } void QQuickItemParticle::initialize(int gIdx, int pIdx) @@ -179,8 +186,11 @@ void QQuickItemParticle::processDeletables() item->setOpacity(0.); item->setVisible(false); QQuickItemParticleAttached* mpa; - if ((mpa = qobject_cast<QQuickItemParticleAttached*>(qmlAttachedPropertiesObject<QQuickItemParticle>(item)))) - mpa->detach();//reparent as well? + if ((mpa = qobject_cast<QQuickItemParticleAttached*>(qmlAttachedPropertiesObject<QQuickItemParticle>(item)))) { + if (mpa->m_parentItem != nullptr) + item->setParentItem(mpa->m_parentItem); + mpa->detach(); + } int idx = -1; if ((idx = m_managed.indexOf(item)) != -1) { m_managed.takeAt(idx); @@ -205,9 +215,12 @@ void QQuickItemParticle::tick(int time) m_deletables << d->delegate; d->delegate = nullptr; } + QQuickItem* parentItem = nullptr; if (!m_pendingItems.isEmpty()){ - d->delegate = m_pendingItems.front(); + QQuickItem *item = m_pendingItems.front(); m_pendingItems.pop_front(); + parentItem = item->parentItem(); + d->delegate = item; }else if (m_delegate){ d->delegate = qobject_cast<QQuickItem*>(m_delegate->create(qmlContext(this))); if (d->delegate) @@ -218,6 +231,7 @@ void QQuickItemParticle::tick(int time) d->delegate->setY(d->curY(m_system) - d->delegate->height() / 2); QQuickItemParticleAttached* mpa = qobject_cast<QQuickItemParticleAttached*>(qmlAttachedPropertiesObject<QQuickItemParticle>(d->delegate)); if (mpa){ + mpa->m_parentItem = parentItem; mpa->m_mp = this; mpa->attach(); } diff --git a/src/particles/qquickitemparticle_p.h b/src/particles/qquickitemparticle_p.h index 70cfe2a446..ea46c67db7 100644 --- a/src/particles/qquickitemparticle_p.h +++ b/src/particles/qquickitemparticle_p.h @@ -130,13 +130,14 @@ class QQuickItemParticleAttached : public QObject Q_PROPERTY(QQuickItemParticle* particle READ particle CONSTANT); public: QQuickItemParticleAttached(QObject* parent) - : QObject(parent), m_mp(0) + : QObject(parent), m_mp(0), m_parentItem(nullptr) {;} QQuickItemParticle* particle() const { return m_mp; } void detach(){Q_EMIT detached();} void attach(){Q_EMIT attached();} private: QQuickItemParticle* m_mp; + QPointer<QQuickItem> m_parentItem; friend class QQuickItemParticle; Q_SIGNALS: void detached(); diff --git a/tests/auto/particles/qquickitemparticle/data/takeGive.qml b/tests/auto/particles/qquickitemparticle/data/takeGive.qml new file mode 100644 index 0000000000..e95ae738bd --- /dev/null +++ b/tests/auto/particles/qquickitemparticle/data/takeGive.qml @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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 General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** 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-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 +import QtQuick.Particles 2.0 + +Rectangle { + id: testTakeGive + color: "black" + width: 320 + height: 320 + + function takeItems() + { + for(var i = 0; i < imgList.count; i++) ip.take(imgList.itemAt(i)); + } + function giveItems() + { + for(var i = 0; i < imgList.count; i++) ip.give(imgList.itemAt(i)); + } + + Repeater { + id: imgList + model: 100 + delegate: Image { + ItemParticle.onAttached: sys.acc = sys.acc + 1 + ItemParticle.onDetached: sys.acc = sys.acc - 1; + source: "../../shared/star.png" + } + } + + ParticleSystem { + id: sys + objectName: "system" + anchors.fill: parent + property int acc: 0 + + ItemParticle { + id: ip + } + + Emitter{ + //0,0 position + size: 32 + emitRate: 1000 + lifeSpan: Emitter.InfiniteLife + } + } +} diff --git a/tests/auto/particles/qquickitemparticle/tst_qquickitemparticle.cpp b/tests/auto/particles/qquickitemparticle/tst_qquickitemparticle.cpp index d9791cdb33..0087c74a9c 100644 --- a/tests/auto/particles/qquickitemparticle/tst_qquickitemparticle.cpp +++ b/tests/auto/particles/qquickitemparticle/tst_qquickitemparticle.cpp @@ -45,6 +45,7 @@ private slots: void test_basic(); void test_deletion(); void test_noDeletion(); + void test_takeGive(); }; void tst_qquickitemparticle::initTestCase() @@ -107,6 +108,18 @@ void tst_qquickitemparticle::test_noDeletion() delete view; } +void tst_qquickitemparticle::test_takeGive() +{ + QQuickView* view = createView(testFileUrl("takeGive.qml"), 500); + QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>("system"); + QMetaObject::invokeMethod(view->rootObject(), "takeItems"); + ensureAnimTime(1000, system->m_animation); + QVERIFY(system->property("acc").toInt() == 100); + QMetaObject::invokeMethod(view->rootObject(), "giveItems"); + QTRY_VERIFY(system->property("acc").toInt() == 0); + delete view; +} + QTEST_MAIN(tst_qquickitemparticle); #include "tst_qquickitemparticle.moc" |