diff options
Diffstat (limited to 'tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp')
| -rw-r--r-- | tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp | 797 |
1 files changed, 732 insertions, 65 deletions
diff --git a/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp b/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp index 7f713ebe6d..03131cebe4 100644 --- a/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp +++ b/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp @@ -1,40 +1,22 @@ -/**************************************************************************** -** -** Copyright (C) 2016 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> #include <QSignalSpy> #include <QApplication> #include <QTabBar> #include <QPushButton> +#include <QLabel> #include <QStyle> #include <QStyleOptionTab> #include <QProxyStyle> #include <QTimer> +#include <QScreen> +#include <QWindow> + +#include <QtWidgets/private/qtabbar_p.h> + +using namespace Qt::StringLiterals; class TabBar; @@ -68,6 +50,7 @@ private slots: void hideTab_data(); void hideTab(); void hideAllTabs(); + void checkHiddenTab(); void setElideMode_data(); void setElideMode(); @@ -77,6 +60,7 @@ private slots: void setUsesScrollButtons(); void removeLastTab(); + void removeLastVisibleTab(); void closeButton(); @@ -100,6 +84,25 @@ private slots: void mouseReleaseOutsideTabBar(); void mouseWheel(); + void kineticWheel_data(); + void kineticWheel(); + void highResolutionWheel_data(); + void highResolutionWheel(); + + void scrollButtons_data(); + void scrollButtons(); + + void currentTabLargeFont(); + + void hoverTab_data(); + void hoverTab(); + + void resizeKeepsScroll_data(); + void resizeKeepsScroll(); + void changeTabTextKeepsScroll(); + void settingCurrentTabBeforeShowDoesntScroll(); + void checkPositionsAfterShapeChange(); + void checkScrollOffsetAfterTabRemoval(); private: void checkPositions(const TabBar &tabbar, const QList<int> &positions); @@ -216,7 +219,7 @@ void tst_QTabBar::testCurrentChanged() QCOMPARE(tabBar.currentIndex(), 0); tabBar.setCurrentIndex(tabToSet); QCOMPARE(tabBar.currentIndex(), tabToSet); - QCOMPARE(spy.count(), expectedCount); + QCOMPARE(spy.size(), expectedCount); } class TabBar : public QTabBar @@ -225,6 +228,7 @@ public: using QTabBar::initStyleOption; using QTabBar::moveTab; using QTabBar::QTabBar; + using QTabBar::tabSizeHint; }; void tst_QTabBar::insertAtCurrentIndex() @@ -289,7 +293,7 @@ void tst_QTabBar::removeTab() tabbar.setCurrentIndex(currentIndex); QSignalSpy spy(&tabbar, SIGNAL(currentChanged(int))); tabbar.removeTab(deleteIndex); - QTEST(int(spy.count()), "spyCount"); + QTEST(int(spy.size()), "spyCount"); QTEST(tabbar.currentIndex(), "finalIndex"); } @@ -320,7 +324,7 @@ void tst_QTabBar::hideTab() tabbar.setCurrentIndex(currentIndex); QSignalSpy spy(&tabbar, &QTabBar::currentChanged); tabbar.setTabVisible(hideIndex, false); - QTEST(int(spy.count()), "spyCount"); + QTEST(int(spy.size()), "spyCount"); QTEST(tabbar.currentIndex(), "finalIndex"); } @@ -366,6 +370,25 @@ void tst_QTabBar::hideAllTabs() QVERIFY(sizeHint.width() < prevSizeHint.width()); } +void tst_QTabBar::checkHiddenTab() +{ + QTabBar tabbar; + + tabbar.addTab("foo"); + tabbar.addTab("bar"); + tabbar.addTab("baz"); + tabbar.setCurrentIndex(0); + tabbar.setTabVisible(1, false); + + QKeyEvent keyRight(QKeyEvent::KeyPress, Qt::Key_Right, Qt::NoModifier); + QVERIFY(QApplication::sendEvent(&tabbar, &keyRight)); + QCOMPARE(tabbar.currentIndex(), 2); + + QKeyEvent keyLeft(QKeyEvent::KeyPress, Qt::Key_Left, Qt::NoModifier); + QVERIFY(QApplication::sendEvent(&tabbar, &keyLeft)); + QCOMPARE(tabbar.currentIndex(), 0); +} + void tst_QTabBar::setElideMode_data() { QTest::addColumn<int>("tabElideMode"); @@ -464,16 +487,49 @@ void tst_QTabBar::removeLastTab() QTabBar tabbar; QSignalSpy spy(&tabbar, SIGNAL(currentChanged(int))); int index = tabbar.addTab("foo"); - QCOMPARE(spy.count(), 1); + QCOMPARE(spy.size(), 1); QCOMPARE(spy.at(0).at(0).toInt(), index); spy.clear(); tabbar.removeTab(index); - QCOMPARE(spy.count(), 1); + QCOMPARE(spy.size(), 1); QCOMPARE(spy.at(0).at(0).toInt(), -1); spy.clear(); } +void tst_QTabBar::removeLastVisibleTab() +{ + QTabBar tabbar; + tabbar.setSelectionBehaviorOnRemove(QTabBar::SelectionBehavior::SelectRightTab); + + int invisible = tabbar.addTab("invisible"); + int visible = tabbar.addTab("visible"); + tabbar.setCurrentIndex(visible); + tabbar.adjustSize(); + + tabbar.setTabVisible(invisible, false); + { + QSignalSpy spy(&tabbar, SIGNAL(currentChanged(int))); + tabbar.removeTab(visible); + QCOMPARE(spy.size(), 1); + QCOMPARE(spy.at(0).at(0).toInt(), -1); + QCOMPARE(tabbar.currentIndex(), -1); + } + + tabbar.setSelectionBehaviorOnRemove(QTabBar::SelectionBehavior::SelectLeftTab); + visible = tabbar.insertTab(0, "visible"); + ++invisible; + QVERIFY(!tabbar.isTabVisible(invisible)); + tabbar.setCurrentIndex(visible); + { + QSignalSpy spy(&tabbar, SIGNAL(currentChanged(int))); + tabbar.removeTab(visible); + QCOMPARE(spy.size(), 1); + QCOMPARE(spy.at(0).at(0).toInt(), -1); + QCOMPARE(tabbar.currentIndex(), -1); + } +} + void tst_QTabBar::closeButton() { QTabBar tabbar; @@ -492,7 +548,7 @@ void tst_QTabBar::closeButton() QSignalSpy spy(&tabbar, SIGNAL(tabCloseRequested(int))); button->click(); QCOMPARE(tabbar.count(), 1); - QCOMPARE(spy.count(), 1); + QCOMPARE(spy.size(), 1); } Q_DECLARE_METATYPE(QTabBar::ButtonPosition) @@ -598,6 +654,8 @@ void tst_QTabBar::selectionBehaviorOnRemove_data() // every other one QTest::newRow("previous-10") << QTabBar::SelectPreviousTab << 7 << (IntList() << 0 << 2 << 4 << 6) << (IntList() << 6 << 4) << 2; + // QTBUG-94352 + QTest::newRow("QTBUG-94352") << QTabBar::SelectPreviousTab << 4 << (IntList() << 3) << (IntList() << 2 << 2) << 0; } @@ -762,36 +820,38 @@ void tst_QTabBar::tabBarClicked() QSignalSpy clickSpy(&tabBar, SIGNAL(tabBarClicked(int))); QSignalSpy doubleClickSpy(&tabBar, SIGNAL(tabBarDoubleClicked(int))); - QCOMPARE(clickSpy.count(), 0); - QCOMPARE(doubleClickSpy.count(), 0); + QCOMPARE(clickSpy.size(), 0); + QCOMPARE(doubleClickSpy.size(), 0); Qt::MouseButton button = Qt::LeftButton; while (button <= Qt::MaxMouseButton) { const QPoint tabPos = tabBar.tabRect(0).center(); QTest::mouseClick(&tabBar, button, {}, tabPos); - QCOMPARE(clickSpy.count(), 1); + QCOMPARE(clickSpy.size(), 1); QCOMPARE(clickSpy.takeFirst().takeFirst().toInt(), 0); - QCOMPARE(doubleClickSpy.count(), 0); + QCOMPARE(doubleClickSpy.size(), 0); QTest::mouseDClick(&tabBar, button, {}, tabPos); - QCOMPARE(clickSpy.count(), 1); + QCOMPARE(clickSpy.size(), 1); QCOMPARE(clickSpy.takeFirst().takeFirst().toInt(), 0); - QCOMPARE(doubleClickSpy.count(), 1); + QCOMPARE(doubleClickSpy.size(), 1); QCOMPARE(doubleClickSpy.takeFirst().takeFirst().toInt(), 0); + QTest::mouseRelease(&tabBar, button, {}, tabPos); const QPoint barPos(tabBar.tabRect(0).right() + 5, tabBar.tabRect(0).center().y()); QTest::mouseClick(&tabBar, button, {}, barPos); - QCOMPARE(clickSpy.count(), 1); + QCOMPARE(clickSpy.size(), 1); QCOMPARE(clickSpy.takeFirst().takeFirst().toInt(), -1); - QCOMPARE(doubleClickSpy.count(), 0); + QCOMPARE(doubleClickSpy.size(), 0); QTest::mouseDClick(&tabBar, button, {}, barPos); - QCOMPARE(clickSpy.count(), 1); + QCOMPARE(clickSpy.size(), 1); QCOMPARE(clickSpy.takeFirst().takeFirst().toInt(), -1); - QCOMPARE(doubleClickSpy.count(), 1); + QCOMPARE(doubleClickSpy.size(), 1); QCOMPARE(doubleClickSpy.takeFirst().takeFirst().toInt(), -1); + QTest::mouseRelease(&tabBar, button, {}, barPos); button = Qt::MouseButton(button << 1); } @@ -833,9 +893,10 @@ void tst_QTabBar::mouseReleaseOutsideTabBar() QRect rectToBeRepainted; bool eventFilter(QObject *, QEvent *event) override { - if (event->type() == QEvent::Paint - && rectToBeRepainted.contains(static_cast<QPaintEvent *>(event)->rect())) + if (event->type() == QEvent::Paint && + static_cast<QPaintEvent *>(event)->rect().contains(rectToBeRepainted)) { repainted = true; + } return false; } } repaintChecker; @@ -850,14 +911,15 @@ void tst_QTabBar::mouseReleaseOutsideTabBar() QRect tabRect = tabBar.tabRect(1); QPoint tabCenter = tabRect.center(); + repaintChecker.rectToBeRepainted = tabRect; + // if a press repaints the tab... QTest::mousePress(&tabBar, Qt::LeftButton, {}, tabCenter); - QTest::mouseEvent(QTest::MouseMove, &tabBar, Qt::LeftButton, {}, tabCenter + QPoint(tabCenter.x(), tabCenter.y() + tabRect.height())); + const bool pressRepainted = QTest::qWaitFor([&]{ return repaintChecker.repainted; }, 250); - // make sure the holding tab is repainted after releasing the mouse + // ... then releasing the mouse outside the tabbar should repaint it as well repaintChecker.repainted = false; - repaintChecker.rectToBeRepainted = tabRect; QTest::mouseRelease(&tabBar, Qt::LeftButton, {}, tabCenter + QPoint(tabCenter.x(), tabCenter.y() + tabRect.height())); - QTRY_VERIFY(repaintChecker.repainted); + QTRY_COMPARE(repaintChecker.repainted, pressRepainted); } void tst_QTabBar::checkPositions(const TabBar &tabbar, const QList<int> &positions) @@ -873,20 +935,25 @@ void tst_QTabBar::checkPositions(const TabBar &tabbar, const QList<int> &positio } #if QT_CONFIG(wheelevent) -// defined to be 120 by the wheel mouse vendors according to the docs -#define WHEEL_DELTA 120 class TabBarScrollingProxyStyle : public QProxyStyle { public: - TabBarScrollingProxyStyle() : QProxyStyle(), scrolling(true) + TabBarScrollingProxyStyle(const QString &defStyle = {}) + : QProxyStyle(defStyle), scrolling(true) { } int styleHint(StyleHint hint, const QStyleOption *option = 0, const QWidget *widget = 0, QStyleHintReturn *returnData = 0) const override { - if (hint == QStyle::SH_TabBar_AllowWheelScrolling) + switch (hint) { + case QStyle::SH_TabBar_AllowWheelScrolling: return scrolling; + case SH_TabBar_ElideMode: + return Qt::ElideNone; + default: + break; + } return QProxyStyle::styleHint(hint, option, widget, returnData); } @@ -896,38 +963,638 @@ public: void tst_QTabBar::mouseWheel() { + TabBar tabbar; - // apply custom style to app, which can toggle tabbar scrolling behavior - QCoreApplication *applicationInstance = QApplication::instance(); - QVERIFY(applicationInstance != 0); - auto *proxyStyle = new TabBarScrollingProxyStyle; - QApplication::setStyle(proxyStyle); + // apply custom style to the tabbar, which can toggle tabbar scrolling behavior + TabBarScrollingProxyStyle proxyStyle; + tabbar.setStyle(&proxyStyle); // make tabbar with three tabs, select the middle one - TabBar tabbar; tabbar.addTab("one"); tabbar.addTab("two"); tabbar.addTab("three"); int startIndex = 1; tabbar.setCurrentIndex(startIndex); + const auto systemId = QPointingDevice::primaryPointingDevice()->systemId() + 1; + QPointingDevice clickyWheel("test clicky wheel", systemId, QInputDevice::DeviceType::Mouse, + QPointingDevice::PointerType::Generic, + QInputDevice::Capability::Position | QInputDevice::Capability::Scroll, + 1, 3); + // define scroll event const QPoint wheelPoint = tabbar.rect().bottomRight(); - QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), QPoint(), QPoint(0, WHEEL_DELTA), - Qt::NoButton, Qt::NoModifier, Qt::NoScrollPhase, false); + QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), + QPoint(), QPoint(0, QWheelEvent::DefaultDeltasPerStep), + Qt::NoButton, Qt::NoModifier, Qt::NoScrollPhase, false, + Qt::MouseEventSynthesizedByApplication, &clickyWheel); // disable scrolling, send scroll event, confirm that tab did not change - proxyStyle->scrolling = false; - QVERIFY(applicationInstance->sendEvent(&tabbar, &event)); + proxyStyle.scrolling = false; + QVERIFY(QApplication::sendEvent(&tabbar, &event)); QVERIFY(tabbar.currentIndex() == startIndex); // enable scrolling, send scroll event, confirm that tab changed - proxyStyle->scrolling = true; - QVERIFY(applicationInstance->sendEvent(&tabbar, &event)); + proxyStyle.scrolling = true; + QVERIFY(QApplication::sendEvent(&tabbar, &event)); + QVERIFY(tabbar.currentIndex() != startIndex); +} + +void tst_QTabBar::kineticWheel_data() +{ + QTest::addColumn<QTabBar::Shape>("tabShape"); + + QTest::addRow("North") << QTabBar::RoundedNorth; + QTest::addRow("East") << QTabBar::RoundedEast; + QTest::addRow("South") << QTabBar::RoundedSouth; + QTest::addRow("West") << QTabBar::RoundedWest; +} + +void tst_QTabBar::kineticWheel() +{ + const auto systemId = QPointingDevice::primaryPointingDevice()->systemId() + 1; + QPointingDevice pixelPad("test pixel pad", systemId, QInputDevice::DeviceType::TouchPad, + QPointingDevice::PointerType::Generic, + QInputDevice::Capability::Position | QInputDevice::Capability::PixelScroll, + 1, 3); + + QFETCH(QTabBar::Shape, tabShape); + QWidget window; + TabBar tabbar(&window); + // Since the macOS style makes sure that all tabs are always visible, we + // replace it with the windows style for this test, and use the proxy that + // makes sure that scrolling is enabled and that tab texts are not elided. + QString defaultStyle; + if (QApplication::style()->name() == QStringLiteral("macos")) + defaultStyle = "windows"; + TabBarScrollingProxyStyle proxyStyle(defaultStyle); + tabbar.setStyle(&proxyStyle); + + tabbar.addTab("long tab text 1"); + tabbar.addTab("long tab text 2"); + tabbar.addTab("long tab text 3"); + + // Make sure we don't have enough space for the tabs and need to scroll + const int tabbarLength = tabbar.tabRect(0).width() * 2; + + tabbar.setShape(tabShape); + const bool horizontal = tabShape == QTabBar::RoundedNorth + || tabShape == QTabBar::RoundedSouth; + if (horizontal) + tabbar.setFixedWidth(tabbarLength); + else + tabbar.setFixedHeight(tabbarLength); + + // start with the middle tab, QTabBar will scroll to make it visible + const int startIndex = 1; + tabbar.setCurrentIndex(startIndex); + + window.setMinimumSize(tabbarLength, tabbarLength); + window.show(); + QVERIFY(QTest::qWaitForWindowExposed(&window)); + + const auto *leftButton = tabbar.findChild<QAbstractButton*>(u"ScrollLeftButton"_s); + const auto *rightButton = tabbar.findChild<QAbstractButton*>(u"ScrollRightButton"_s); + QVERIFY(leftButton && rightButton); + QVERIFY(leftButton->isEnabled() && rightButton->isEnabled()); + + // Figure out if any of the buttons is laid out to be in front of the tabs. + // We can't use setUsesScrollButtons(false), as then several styles will enforce + // a minimum size for the tab bar. + const bool leftInFront = ((horizontal && leftButton->pos().x() < tabbar.rect().center().x()) + || (!horizontal && leftButton->pos().y() < tabbar.rect().center().y())); + const bool rightInFront = ((horizontal && rightButton->pos().x() < tabbar.rect().center().x()) + || (!horizontal && rightButton->pos().y() < tabbar.rect().center().y())); + QPoint leftEdge; + QPoint rightEdge; + if (leftInFront && rightInFront) { // both on the left + leftEdge = rightButton->geometry().bottomRight(); + rightEdge = tabbar.rect().bottomRight(); + } else if (leftInFront && !rightInFront) { + leftEdge = leftButton->geometry().bottomRight(); + rightEdge = rightButton->geometry().topLeft(); + } else { // both on the right + leftEdge = QPoint(0, 0); + rightEdge = leftButton->geometry().topLeft(); + } + // avoid border lines + leftEdge += QPoint(2, 2); + if (horizontal) { + rightEdge += QPoint(-2, 2); + } else { + rightEdge += QPoint(2, -2); + } + + QCOMPARE(tabbar.tabAt(leftEdge), 0); + QCOMPARE(tabbar.tabAt(rightEdge), 1); + + const QPoint delta = horizontal ? QPoint(10, 0) : QPoint(0, 10); + const QPoint wheelPoint = tabbar.rect().center(); + + bool accepted = true; + Qt::ScrollPhase phase = Qt::ScrollBegin; + // scroll all the way to the end + while (accepted) { + QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), -delta, -delta, + Qt::NoButton, Qt::NoModifier, phase, false, + Qt::MouseEventSynthesizedByApplication, &pixelPad); + if (phase == Qt::ScrollBegin) + phase = Qt::ScrollUpdate; + QApplication::sendEvent(&tabbar, &event); + accepted = event.isAccepted(); + } + QCOMPARE(tabbar.tabAt(leftEdge), 1); + QCOMPARE(tabbar.tabAt(rightEdge), 2); + QVERIFY(leftButton->isEnabled()); + QVERIFY(!rightButton->isEnabled()); + // kinetic wheel events don't change the current index + QVERIFY(tabbar.currentIndex() == startIndex); + + // scroll all the way to the beginning + accepted = true; + while (accepted) { + QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), delta, delta, + Qt::NoButton, Qt::NoModifier, phase, false, + Qt::MouseEventSynthesizedByApplication, &pixelPad); + QApplication::sendEvent(&tabbar, &event); + accepted = event.isAccepted(); + } + + QCOMPARE(tabbar.tabAt(leftEdge), 0); + QCOMPARE(tabbar.tabAt(rightEdge), 1); + QVERIFY(!leftButton->isEnabled()); + QVERIFY(rightButton->isEnabled()); + // kinetic wheel events don't change the current index + QVERIFY(tabbar.currentIndex() == startIndex); + + // make tabs small so that we have enough space, and verify sure we can't scroll + tabbar.setTabText(0, "A"); + tabbar.setTabText(1, "B"); + tabbar.setTabText(2, "C"); + QVERIFY(tabbar.sizeHint().width() <= tabbar.width() && tabbar.sizeHint().height() <= tabbar.height()); + + { + QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), -delta, -delta, + Qt::NoButton, Qt::NoModifier, phase, false, + Qt::MouseEventSynthesizedByApplication, &pixelPad); + QApplication::sendEvent(&tabbar, &event); + QVERIFY(!event.isAccepted()); + } + + { + QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), delta, delta, + Qt::NoButton, Qt::NoModifier, phase, false, + Qt::MouseEventSynthesizedByApplication, &pixelPad); + QApplication::sendEvent(&tabbar, &event); + QVERIFY(!event.isAccepted()); + } +} + +void tst_QTabBar::highResolutionWheel_data() +{ + QTest::addColumn<int>("angleDelta"); + // Smallest angleDelta for a Logitech MX Master 3 with Linux/X11/Libinput + QTest::addRow("increment index") << -16; + QTest::addRow("decrement index") << 16; +} + +void tst_QTabBar::highResolutionWheel() +{ + TabBar tabbar; + TabBarScrollingProxyStyle proxyStyle; + tabbar.setStyle(&proxyStyle); + + tabbar.addTab("tab1"); + tabbar.addTab("tab2"); + QFETCH(int, angleDelta); + // Negative values increment, positive values decrement + int startIndex = angleDelta < 0 ? 0 : 1; + tabbar.setCurrentIndex(startIndex); + + const auto systemId = QPointingDevice::primaryPointingDevice()->systemId() + 1; + QPointingDevice hiResWheel( + "test high resolution wheel", systemId, QInputDevice::DeviceType::Mouse, + QPointingDevice::PointerType::Generic, + QInputDevice::Capability::Position | QInputDevice::Capability::Scroll, 1, 3); + + const QPoint wheelPoint = tabbar.rect().bottomRight(); + QWheelEvent event(wheelPoint, tabbar.mapToGlobal(wheelPoint), QPoint(), + QPoint(angleDelta, angleDelta), Qt::NoButton, Qt::NoModifier, + Qt::NoScrollPhase, false, Qt::MouseEventSynthesizedByApplication, + &hiResWheel); + + proxyStyle.scrolling = true; + for (int accumulated = 0; accumulated < QWheelEvent::DefaultDeltasPerStep; + accumulated += qAbs(angleDelta)) { + // verify that nothing has changed until the threshold has been reached + QVERIFY(tabbar.currentIndex() == startIndex); + QVERIFY(QApplication::sendEvent(&tabbar, &event)); + } QVERIFY(tabbar.currentIndex() != startIndex); } #endif // QT_CONFIG(wheelevent) +void tst_QTabBar::scrollButtons_data() +{ + QTest::addColumn<QTabWidget::TabPosition>("tabPosition"); + QTest::addColumn<Qt::LayoutDirection>("layoutDirection"); + + for (auto ld : {Qt::LeftToRight, Qt::RightToLeft}) { + const char *ldStr = ld == Qt::LeftToRight ? "LTR" : "RTL"; + QTest::addRow("North, %s", ldStr) << QTabWidget::North << ld; + QTest::addRow("South, %s", ldStr) << QTabWidget::South << ld; + QTest::addRow("West, %s", ldStr) << QTabWidget::West << ld; + QTest::addRow("East, %s", ldStr) << QTabWidget::East << ld; + } +} + +void tst_QTabBar::scrollButtons() +{ + QFETCH(QTabWidget::TabPosition, tabPosition); + QFETCH(Qt::LayoutDirection, layoutDirection); + + QWidget window; + QTabWidget tabWidget(&window); + tabWidget.setLayoutDirection(layoutDirection); + tabWidget.setTabPosition(tabPosition); + tabWidget.setElideMode(Qt::ElideNone); + tabWidget.setUsesScrollButtons(true); + + const int tabCount = 5; + for (int i = 0; i < tabCount; ++i) + { + const QString num = QString::number(i); + tabWidget.addTab(new QLabel(num), num + " - Really long tab name to force arrows"); + } + tabWidget.move(0, 0); + tabWidget.resize(tabWidget.minimumSizeHint()); + window.show(); + QVERIFY(QTest::qWaitForWindowActive(&window)); + + auto *leftB = tabWidget.tabBar()->findChild<QAbstractButton*>(u"ScrollLeftButton"_s); + auto *rightB = tabWidget.tabBar()->findChild<QAbstractButton*>(u"ScrollRightButton"_s); + + QVERIFY(leftB->isVisible()); + QVERIFY(!leftB->isEnabled()); + QVERIFY(rightB->isVisible()); + QVERIFY(rightB->isEnabled()); + QVERIFY(!tabWidget.tabBar()->tabRect(1).intersects(tabWidget.tabBar()->rect())); + + int index = 0; + for (; index < tabWidget.count(); ++index) { + QCOMPARE(leftB->isEnabled(), index > 0); + QCOMPARE(rightB->isEnabled(), index < tabWidget.count() - 1); + QVERIFY(tabWidget.tabBar()->tabRect(index).intersects(tabWidget.tabBar()->rect())); + QCOMPARE(tabWidget.tabBar()->tabAt(tabWidget.tabBar()->rect().center()), index); + if (rightB->isEnabled()) + rightB->click(); + } + for (--index; index >= 0; --index) { + QCOMPARE(leftB->isEnabled(), index >= 0); + QCOMPARE(rightB->isEnabled(), index < tabWidget.count() - 1); + + QVERIFY(tabWidget.tabBar()->tabRect(index).intersects(tabWidget.tabBar()->rect())); + if (leftB->isEnabled()) + leftB->click(); + } + QVERIFY(!leftB->isEnabled()); +} + +void tst_QTabBar::currentTabLargeFont() +{ + TabBar tabBar; + tabBar.setStyleSheet(R"( + QTabBar::tab::selected { + font-size: 24pt; + } + )"); + + tabBar.addTab("Tab Item 1"); + tabBar.addTab("Tab Item 2"); + tabBar.addTab("Tab Item 3"); + + tabBar.setCurrentIndex(0); + tabBar.show(); + QVERIFY(QTest::qWaitForWindowExposed(&tabBar)); + + QList<QRect> oldTabRects; + oldTabRects << tabBar.tabRect(0) << tabBar.tabRect(1) << tabBar.tabRect(2); + tabBar.setCurrentIndex(1); + QList<QRect> newTabRects; + newTabRects << tabBar.tabRect(0) << tabBar.tabRect(1) << tabBar.tabRect(2); + QVERIFY(oldTabRects != newTabRects); +} + +void tst_QTabBar::hoverTab_data() +{ + // Move the cursor away from the widget as not to interfere. + // skip this test if we can't + const QPoint topLeft = QGuiApplication::primaryScreen()->availableGeometry().topLeft(); + const QPoint cursorPos = topLeft + QPoint(10, 10); + QCursor::setPos(cursorPos); + if (!QTest::qWaitFor([cursorPos]{ return QCursor::pos() == cursorPos; }, 500)) + QSKIP("Can't move mouse"); + + QTest::addColumn<bool>("documentMode"); + QTest::addRow("normal mode") << true; + QTest::addRow("document mode") << true; +} + +void tst_QTabBar::hoverTab() +{ + QFETCH(bool, documentMode); + QWidget topLevel; + class TabBar : public QTabBar + { + public: + using QTabBar::QTabBar; + void initStyleOption(QStyleOptionTab *option, int tabIndex) const override + { + QTabBar::initStyleOption(option, tabIndex); + styleOptions[tabIndex] = *option; + } + mutable QHash<int, QStyleOptionTab> styleOptions; + } tabbar(&topLevel); + + tabbar.setDocumentMode(documentMode); + tabbar.addTab("A"); + tabbar.addTab("B"); + tabbar.addTab("C"); + tabbar.addTab("D"); + + tabbar.move(0,0); + const QSize size = tabbar.sizeHint(); + const auto center = topLevel.screen()->availableGeometry().center(); + topLevel.move(center - QPoint{size.width(), size.height()} / 2); + topLevel.setMinimumSize(size); + tabbar.ensurePolished(); + + // some styles set those flags, some don't. If not, use a style sheet + if (!(tabbar.testAttribute(Qt::WA_Hover) || tabbar.hasMouseTracking())) { + tabbar.setStyleSheet(R"( + QTabBar::tab { background: blue; } + QTabBar::tab::hover { background: yellow; } + QTabBar::tab::selected { background: red; } + )"); + } + + topLevel.show(); + QVERIFY(QTest::qWaitForWindowExposed(&topLevel)); + auto *window = topLevel.windowHandle(); + + auto pos = tabbar.mapToParent(tabbar.tabRect(0).center()); + QTest::mouseMove(window, pos); + QTRY_VERIFY(tabbar.styleOptions[0].state & QStyle::State_Selected); + QTRY_COMPARE(tabbar.styleOptions[1].state & QStyle::State_MouseOver, QStyle::State_None); + QTRY_COMPARE(tabbar.styleOptions[2].state & QStyle::State_MouseOver, QStyle::State_None); + QTRY_COMPARE(tabbar.styleOptions[3].state & QStyle::State_MouseOver, QStyle::State_None); + + pos = tabbar.mapToParent(tabbar.tabRect(1).center()); + QTest::mouseMove(window, pos); + QTRY_COMPARE(tabbar.styleOptions[1].state & QStyle::State_MouseOver, QStyle::State_MouseOver); + QCOMPARE(tabbar.styleOptions[2].state & QStyle::State_MouseOver, QStyle::State_None); + QCOMPARE(tabbar.styleOptions[3].state & QStyle::State_MouseOver, QStyle::State_None); + + pos = tabbar.mapToParent(tabbar.tabRect(2).center()); + QTest::mouseMove(window, pos); + QTRY_COMPARE(tabbar.styleOptions[2].state & QStyle::State_MouseOver, QStyle::State_MouseOver); + QCOMPARE(tabbar.styleOptions[1].state & QStyle::State_MouseOver, QStyle::State_None); + QCOMPARE(tabbar.styleOptions[3].state & QStyle::State_MouseOver, QStyle::State_None); + + // removing tab 2 lays the tabs out so that they stretch across the + // tab bar; tab 1 is now where the cursor was. What matters is that a + // different tab is now hovered (rather than none). + tabbar.removeTab(2); + QTRY_COMPARE(tabbar.styleOptions[1].state & QStyle::State_MouseOver, QStyle::State_MouseOver); + QCOMPARE(tabbar.styleOptions[2].state & QStyle::State_MouseOver, QStyle::State_None); + + // inserting a tab at index 2 again should paint the new tab hovered + tabbar.insertTab(2, "C2"); + QTRY_COMPARE(tabbar.styleOptions[2].state & QStyle::State_MouseOver, QStyle::State_MouseOver); + QCOMPARE(tabbar.styleOptions[1].state & QStyle::State_MouseOver, QStyle::State_None); +} + + +void tst_QTabBar::resizeKeepsScroll_data() +{ + QTest::addColumn<QTabBar::Shape>("tabShape"); + QTest::addColumn<bool>("expanding"); + + QTest::addRow("North, expanding") << QTabBar::RoundedNorth << true; + QTest::addRow("East, expanding") << QTabBar::RoundedEast << true; + QTest::addRow("South, expanding") << QTabBar::RoundedSouth << true; + QTest::addRow("West, expanding") << QTabBar::RoundedWest << true; + + QTest::addRow("North, not expanding") << QTabBar::RoundedNorth << false; + QTest::addRow("South, not expanding") << QTabBar::RoundedSouth << false; +} + +void tst_QTabBar::resizeKeepsScroll() +{ + QFETCH(QTabBar::Shape, tabShape); + QFETCH(const bool, expanding); + + QTabBar tabBar; + TabBarScrollingProxyStyle proxyStyle; + tabBar.setStyle(&proxyStyle); + + for (int i = 0; i < 10; ++i) + tabBar.addTab(u"Tab Number %1"_s.arg(i)); + + tabBar.setShape(tabShape); + tabBar.setUsesScrollButtons(true); + tabBar.setExpanding(expanding); + + // resize to half + const QSize fullSize = tabBar.sizeHint(); + const bool horizontal = fullSize.width() > fullSize.height(); + if (horizontal) + tabBar.resize(fullSize.width() / 2, fullSize.height()); + else + tabBar.resize(fullSize.width(), fullSize.height() / 2); + + tabBar.show(); + QVERIFY(QTest::qWaitForWindowExposed(&tabBar)); + + const auto getScrollOffset = [&]() -> int { + return static_cast<QTabBarPrivate *>(QObjectPrivate::get(&tabBar))->scrollOffset; + }; + + // select a tab outside, this will scroll + tabBar.setCurrentIndex(6); + // the first tab is now scrolled out + const int scrollOffset = getScrollOffset(); + QCOMPARE_GT(scrollOffset, 0); + // the current index is now fully visible, with margin on both sides + tabBar.setCurrentIndex(5); + + // make the tab bar a bit larger, by the width of a tab + if (horizontal) + tabBar.resize(tabBar.width() + tabBar.tabRect(5).width(), tabBar.height()); + else + tabBar.resize(tabBar.width(), tabBar.height() + tabBar.tabRect(5).height()); + + // this should not change the scroll + QCOMPARE(getScrollOffset(), scrollOffset); + + // make the tab bar large enough to fit everything with extra space + tabBar.resize(fullSize + QSize(50, 50)); + + // there should be no scroll + QCOMPARE(getScrollOffset(), 0); + + for (int i = 0; i < tabBar.count(); ++i) { + tabBar.setCurrentIndex(i); + QCOMPARE(getScrollOffset(), 0); + } +} + +void tst_QTabBar::changeTabTextKeepsScroll() +{ + QTabBar tabBar; + TabBarScrollingProxyStyle proxyStyle; + tabBar.setStyle(&proxyStyle); + + for (int i = 0; i < 6; ++i) + tabBar.addTab(u"Tab Number %1"_s.arg(i)); + + const QSize fullSize = tabBar.sizeHint(); + tabBar.resize(fullSize.width() / 2, fullSize.height()); + + tabBar.show(); + QVERIFY(QTest::qWaitForWindowExposed(&tabBar)); + + const auto getScrollOffset = [&]() -> int { + return static_cast<QTabBarPrivate *>(QObjectPrivate::get(&tabBar))->scrollOffset; + }; + + tabBar.setCurrentIndex(3); + const int scrollOffset = getScrollOffset(); + tabBar.setTabText(3, "New title"); + QCOMPARE(getScrollOffset(), scrollOffset); +} + +void tst_QTabBar::settingCurrentTabBeforeShowDoesntScroll() +{ + QTabBar tabBar; + TabBarScrollingProxyStyle proxyStyle; + tabBar.setStyle(&proxyStyle); + + for (int i = 0; i < 6; ++i) + tabBar.addTab(u"Tab Number %1"_s.arg(i)); + + const auto getScrollOffset = [&]() -> int { + return static_cast<QTabBarPrivate *>(QObjectPrivate::get(&tabBar))->scrollOffset; + }; + + tabBar.setCurrentIndex(5); + + // changing the current index while the tab bar isn't visible shouldn't scroll yet + QCOMPARE(getScrollOffset(), 0); + + // now show the tab bar with a size that's too small to fit the current index + const QSize fullSize = tabBar.sizeHint(); + tabBar.resize(fullSize.width() / 2, fullSize.height()); + + tabBar.show(); + QVERIFY(QTest::qWaitForWindowExposed(&tabBar)); + + // this should scroll + QCOMPARE_GT(getScrollOffset(), 0); +} + +void tst_QTabBar::checkPositionsAfterShapeChange() +{ + class TabWidget : public QTabWidget + { + public: + using QTabWidget::QTabWidget; + using QTabWidget::setTabBar; + }; + + class TabBar : public QTabBar + { + public: + using QTabBar::initStyleOption; + void resizeEvent(QResizeEvent *e) override + { + QTabBar::resizeEvent(e); + resized = true; + } + bool resized = false; + }; + + TabWidget tabWidget; + auto *tabBar = new TabBar; + tabWidget.setTabBar(tabBar); + for (int i = 0; i < 3; ++i) + tabWidget.addTab(new QWidget, u"Tab %1"_s.arg(i)); + tabWidget.setTabPosition(QTabWidget::North); + tabWidget.setCurrentIndex(2); + tabWidget.resize(300, 300); + tabWidget.show(); + QVERIFY(QTest::qWaitForWindowExposed(&tabWidget)); + + tabBar->resized = false; + tabWidget.setTabPosition(QTabWidget::East); + QVERIFY(QTest::qWaitFor([&]() { return tabBar->resized; })); + QStyleOptionTab opt; + tabBar->initStyleOption(&opt, 2); + QVERIFY(opt.rect.top() > 0); +} + +void tst_QTabBar::checkScrollOffsetAfterTabRemoval() +{ + QTabWidget tabWidget; + QTabBar *tabBar = tabWidget.tabBar(); + for (int i = 0; i < 10; ++i) + tabWidget.addTab(new QWidget, u"Tab %1"_s.arg(i)); + tabWidget.setTabPosition(QTabWidget::North); + tabWidget.resize(300, 300); + tabWidget.setCurrentIndex(0); + tabWidget.show(); + QVERIFY(QTest::qWaitForWindowExposed(&tabWidget)); + + auto *rightButton = tabBar->findChild<QAbstractButton *>(u"ScrollRightButton"_s); + auto *leftButton = tabBar->findChild<QAbstractButton *>(u"ScrollLeftButton"_s); + QVERIFY(leftButton); + QVERIFY(rightButton); + QVERIFY(rightButton->isEnabled()); + QVERIFY(!leftButton->isEnabled()); + // scroll to the right + tabBar->setCurrentIndex(9); + QVERIFY(!rightButton->isEnabled()); + QVERIFY(leftButton->isEnabled()); + // scroll to the center + tabBar->setCurrentIndex(2); + QVERIFY(rightButton->isEnabled()); + QVERIFY(leftButton->isEnabled()); + + const auto getScrollOffset = [&]() -> int { + return static_cast<QTabBarPrivate *>(QObjectPrivate::get(tabBar))->scrollOffset; + }; + // the scroll offset should not change when a tab right outside + // the scroll rect is removed + auto oldOffset = getScrollOffset(); + tabWidget.removeTab(9); + QCOMPARE(getScrollOffset(), oldOffset); + // the scroll offset must change when a tab left outside + // the scroll rect is removed + oldOffset = getScrollOffset(); + tabWidget.removeTab(0); + QVERIFY(getScrollOffset() < oldOffset); + + // the scroll offset must change when there is empty + // place in the right after tab removal + oldOffset = getScrollOffset(); + QVERIFY(oldOffset > 0); + for (int i : { 7, 6, 5, 4, 3 }) + tabWidget.removeTab(i); + QCOMPARE(getScrollOffset(), 0); + QVERIFY(!rightButton->isVisible()); + QVERIFY(!leftButton->isVisible()); +} + QTEST_MAIN(tst_QTabBar) #include "tst_qtabbar.moc" |