diff options
Diffstat (limited to 'tests/auto/widgets/kernel/qwidgetrepaintmanager/tst_qwidgetrepaintmanager.cpp')
| -rw-r--r-- | tests/auto/widgets/kernel/qwidgetrepaintmanager/tst_qwidgetrepaintmanager.cpp | 203 |
1 files changed, 167 insertions, 36 deletions
diff --git a/tests/auto/widgets/kernel/qwidgetrepaintmanager/tst_qwidgetrepaintmanager.cpp b/tests/auto/widgets/kernel/qwidgetrepaintmanager/tst_qwidgetrepaintmanager.cpp index 2031c68708..9059a9262e 100644 --- a/tests/auto/widgets/kernel/qwidgetrepaintmanager/tst_qwidgetrepaintmanager.cpp +++ b/tests/auto/widgets/kernel/qwidgetrepaintmanager/tst_qwidgetrepaintmanager.cpp @@ -1,30 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2021 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include <QTest> @@ -36,7 +11,9 @@ #include <private/qhighdpiscaling_p.h> #include <private/qwidget_p.h> #include <private/qwidgetrepaintmanager_p.h> +#include <qpa/qplatformintegration.h> #include <qpa/qplatformbackingstore.h> +#include <private/qguiapplication_p.h> //#define MANUAL_DEBUG @@ -58,14 +35,33 @@ public: void initialShow() { show(); - if (isWindow()) + if (isWindow()) { QVERIFY(QTest::qWaitForWindowExposed(this)); + QVERIFY(waitForPainted()); + } paintedRegions = {}; } bool waitForPainted(int timeout = 5000) { - return QTest::qWaitFor([this]{ return !paintedRegions.isEmpty(); }, timeout); + int remaining = timeout; + QDeadlineTimer deadline(remaining, Qt::PreciseTimer); + if (!QTest::qWaitFor([this]{ return !paintedRegions.isEmpty(); }, timeout)) + return false; + + // In case of multiple paint events: + // Process events and wait until all have been consumed, + // i.e. paintedRegions no longer changes. + QRegion reg; + while (remaining > 0 && reg != paintedRegions) { + reg = paintedRegions; + QCoreApplication::processEvents(QEventLoop::AllEvents, remaining); + if (reg == paintedRegions) + return true; + + remaining = int(deadline.remainingTime()); + } + return false; } QRegion takePaintedRegions() @@ -76,6 +72,17 @@ public: } QRegion paintedRegions; + bool event(QEvent *event) override + { + const auto type = event->type(); + if (type == QEvent::WindowActivate || type == QEvent::WindowDeactivate) + return true; + if (type == QEvent::UpdateRequest) + ++updateRequests; + return QWidget::event(event); + } + int updateRequests = 0; + protected: void paintEvent(QPaintEvent *event) override { @@ -96,6 +103,14 @@ public: setAttribute(Qt::WA_OpaquePaintEvent); } + bool event(QEvent *event) override + { + const auto type = event->type(); + if (type == QEvent::WindowActivate || type == QEvent::WindowDeactivate) + return true; + return QWidget::event(event); + } + protected: void paintEvent(QPaintEvent *e) override { @@ -211,6 +226,14 @@ public: QSize sizeHint() const override { return QSize(400, 400); } + bool event(QEvent *event) override + { + const auto type = event->type(); + if (type == QEvent::WindowActivate || type == QEvent::WindowDeactivate) + return true; + return QWidget::event(event); + } + protected: void resizeEvent(QResizeEvent *) override { @@ -236,6 +259,8 @@ private slots: void opaqueChildren(); void staticContents(); void scroll(); + void paintOnScreenUpdates(); + #if defined(QT_BUILD_INTERNAL) void scrollWithOverlap(); void overlappedRegion(); @@ -251,13 +276,14 @@ protected: */ bool compareWidget(QWidget *w) { + QBackingStore *backingStore = w->window()->backingStore(); + Q_ASSERT(backingStore && backingStore->handle()); + QPlatformBackingStore *platformBackingStore = backingStore->handle(); + if (!waitForFlush(w)) { qWarning() << "Widget" << w << "failed to flush"; return false; } - QBackingStore *backingStore = w->window()->backingStore(); - Q_ASSERT(backingStore && backingStore->handle()); - QPlatformBackingStore *platformBackingStore = backingStore->handle(); QImage backingstoreContent = platformBackingStore->toImage(); if (!w->isWindow()) { @@ -284,7 +310,14 @@ protected: } bool waitForFlush(QWidget *widget) const { + if (!widget) + return true; + auto *repaintManager = QWidgetPrivate::get(widget->window())->maybeRepaintManager(); + + if (!repaintManager) + return true; + return QTest::qWaitFor([repaintManager]{ return !repaintManager->isDirty(); } ); }; #endif // QT_BUILD_INTERNAL @@ -307,7 +340,7 @@ void tst_QWidgetRepaintManager::initTestCase() QVERIFY(QTest::qWaitForWindowExposed(&widget)); m_implementsScroll = widget.backingStore()->handle()->scroll(QRegion(widget.rect()), 1, 1); - qDebug() << QGuiApplication::platformName() << "QPA backend implements scroll:" << m_implementsScroll; + qInfo() << QGuiApplication::platformName() << "QPA backend implements scroll:" << m_implementsScroll; } void tst_QWidgetRepaintManager::cleanup() @@ -346,6 +379,7 @@ void tst_QWidgetRepaintManager::children() TestWidget *child1 = new TestWidget(&widget); child1->move(20, 20); child1->show(); + QVERIFY(QTest::qWaitForWindowExposed(child1)); QVERIFY(child1->waitForPainted()); QCOMPARE(widget.takePaintedRegions(), QRegion(child1->geometry())); QCOMPARE(child1->takePaintedRegions(), QRegion(child1->rect())); @@ -402,16 +436,26 @@ void tst_QWidgetRepaintManager::opaqueChildren() */ void tst_QWidgetRepaintManager::staticContents() { + const auto *integration = QGuiApplicationPrivate::platformIntegration(); + if (!integration->hasCapability(QPlatformIntegration::BackingStoreStaticContents)) + QSKIP("Platform does not support static backingstore content"); + TestWidget widget; widget.setAttribute(Qt::WA_StaticContents); widget.initialShow(); - const QSize oldSize = widget.size(); + // Trigger resize via QWindow (similar to QWSI code path) + QVERIFY(widget.windowHandle()); + QSize oldSize = widget.size(); + widget.windowHandle()->resize(widget.width(), widget.height() + 10); + QVERIFY(widget.waitForPainted()); + QCOMPARE(widget.takePaintedRegions(), QRegion(0, oldSize.width(), widget.width(), 10)); + // Trigger resize via QWidget + oldSize = widget.size(); widget.resize(widget.width() + 10, widget.height()); - QVERIFY(widget.waitForPainted()); - QEXPECT_FAIL("", "This should just repaint the newly exposed region", Continue); + QEXPECT_FAIL("", "QWidgetPrivate::setGeometry_sys wrongly triggers full update", Continue); QCOMPARE(widget.takePaintedRegions(), QRegion(oldSize.width(), 0, 10, widget.height())); } @@ -452,6 +496,90 @@ void tst_QWidgetRepaintManager::scroll() QCOMPARE(widget.takePaintedRegions(), QRegion()); } +class PaintOnScreenWidget : public TestWidget +{ +public: + using TestWidget::TestWidget; + + // Explicit override to prevent noPaintOnScreen on Windows + QPaintEngine *paintEngine() const override + { + return nullptr; + } +}; + +void tst_QWidgetRepaintManager::paintOnScreenUpdates() +{ + { + TestWidget topLevel; + topLevel.setObjectName("TopLevel"); + topLevel.resize(500, 500); + TestWidget renderToTextureWidget(&topLevel); + renderToTextureWidget.setObjectName("RenderToTexture"); + renderToTextureWidget.setGeometry(0, 0, 200, 200); + QWidgetPrivate::get(&renderToTextureWidget)->setRenderToTexture(); + + PaintOnScreenWidget paintOnScreenWidget(&topLevel); + paintOnScreenWidget.setObjectName("PaintOnScreen"); + paintOnScreenWidget.setGeometry(200, 200, 300, 300); + + topLevel.initialShow(); + + // Updating before toggling WA_PaintOnScreen should work fine + paintOnScreenWidget.update(); + paintOnScreenWidget.waitForPainted(); + QVERIFY(paintOnScreenWidget.waitForPainted()); + +#ifdef Q_OS_ANDROID + QEXPECT_FAIL("", "This test fails on Android", Abort); +#endif + QCOMPARE(paintOnScreenWidget.takePaintedRegions(), paintOnScreenWidget.rect()); + + renderToTextureWidget.update(); + QVERIFY(renderToTextureWidget.waitForPainted()); + QCOMPARE(renderToTextureWidget.takePaintedRegions(), renderToTextureWidget.rect()); + + // Then toggle WA_PaintOnScreen + paintOnScreenWidget.setAttribute(Qt::WA_PaintOnScreen); + + // The render-to-texture widget updates fine + renderToTextureWidget.update(); + QVERIFY(renderToTextureWidget.waitForPainted()); + QCOMPARE(renderToTextureWidget.takePaintedRegions(), renderToTextureWidget.rect()); + + // Updating the paint-on-screen texture widget will not result + // in a paint event, but should result in an update request. + paintOnScreenWidget.updateRequests = 0; + paintOnScreenWidget.update(); + QVERIFY(QTest::qWaitFor([&]{ return paintOnScreenWidget.updateRequests > 0; })); + + // And should not prevent the render-to-texture widget from receiving updates + renderToTextureWidget.update(); + QVERIFY(renderToTextureWidget.waitForPainted()); + QCOMPARE(renderToTextureWidget.takePaintedRegions(), renderToTextureWidget.rect()); + } + + { + TestWidget paintOnScreenTopLevel; + paintOnScreenTopLevel.setObjectName("PaintOnScreenTopLevel"); + paintOnScreenTopLevel.setAttribute(Qt::WA_PaintOnScreen); + + paintOnScreenTopLevel.initialShow(); + + paintOnScreenTopLevel.updateRequests = 0; + paintOnScreenTopLevel.update(); + QVERIFY(QTest::qWaitFor([&]{ return paintOnScreenTopLevel.updateRequests > 0; })); + + // Turn off paint on screen and make it a render-to-texture widget. + // This will lead us into a QWidgetRepaintManager::markDirty() code + // path that checks updateRequestSent, which is still set from the + // update above since paint-on-screen handling doesn't reset it. + paintOnScreenTopLevel.setAttribute(Qt::WA_PaintOnScreen, false); + QWidgetPrivate::get(&paintOnScreenTopLevel)->setRenderToTexture(); + paintOnScreenTopLevel.update(); + QVERIFY(QTest::qWaitFor([&]{ return paintOnScreenTopLevel.updateRequests > 1; })); + } +} #if defined(QT_BUILD_INTERNAL) @@ -472,6 +600,8 @@ void tst_QWidgetRepaintManager::scrollWithOverlap() : QWidget(parent, Qt::WindowStaysOnTopHint) { m_scrollArea = new QScrollArea(this); + m_scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + m_scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); QWidget *w = new QWidget; w->setPalette(QPalette(Qt::gray)); w->setAutoFillBackground(true); @@ -619,6 +749,7 @@ void tst_QWidgetRepaintManager::fastMove() QCOMPARE(dirtyRegion(scene.yellowChild), QRect(0, 0, 100, 100)); } QCOMPARE(dirtyRegion(&scene), QRect(0, 0, 25, 100)); + QTRY_VERIFY(dirtyRegion(&scene).isEmpty()); QVERIFY(compareWidget(&scene)); } |