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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <QSizeGrip>
#include <QEvent>
#include <QLineEdit>
#include <QVBoxLayout>
#include <QLabel>
#include <QMainWindow>
#include <QStatusBar>
#include <QMdiArea>
#include <QMdiSubWindow>
static inline Qt::Corner sizeGripCorner(QWidget *parent, QSizeGrip *sizeGrip)
{
if (!parent || !sizeGrip)
return Qt::TopLeftCorner;
const QPoint sizeGripPos = sizeGrip->mapTo(parent, QPoint(0, 0));
bool isAtBottom = sizeGripPos.y() >= parent->height() / 2;
bool isAtLeft = sizeGripPos.x() <= parent->width() / 2;
if (isAtLeft)
return isAtBottom ? Qt::BottomLeftCorner : Qt::TopLeftCorner;
else
return isAtBottom ? Qt::BottomRightCorner : Qt::TopRightCorner;
}
Q_DECLARE_METATYPE(Qt::WindowType);
class tst_QSizeGrip : public QObject
{
Q_OBJECT
public slots:
void cleanup();
private slots:
void hideAndShowOnWindowStateChange_data();
void hideAndShowOnWindowStateChange();
void orientation();
void dontCrashOnTLWChange();
};
class TestWidget : public QWidget
{
public:
using QWidget::QWidget;
QSize sizeHint() const override { return QSize(300, 200); }
void changeEvent(QEvent *event) override
{
QWidget::changeEvent(event);
if (isWindow() && event->type() == QEvent::WindowStateChange)
QVERIFY(QTest::qWaitForWindowExposed(this));
}
};
void tst_QSizeGrip::cleanup()
{
QVERIFY(QApplication::topLevelWidgets().isEmpty());
}
void tst_QSizeGrip::hideAndShowOnWindowStateChange_data()
{
QTest::addColumn<Qt::WindowType>("windowType");
QTest::newRow("Qt::Window") << Qt::Window;
QTest::newRow("Qt::SubWindow") << Qt::SubWindow;
}
void tst_QSizeGrip::hideAndShowOnWindowStateChange()
{
QFETCH(Qt::WindowType, windowType);
QScopedPointer<QWidget> parentWidget;
if (windowType != Qt::Window)
parentWidget.reset(new QWidget);
QScopedPointer<TestWidget> widget(new TestWidget(parentWidget.data(), Qt::WindowFlags(windowType)));
QSizeGrip *sizeGrip = new QSizeGrip(widget.data());
// Normal.
if (parentWidget)
parentWidget->show();
else
widget->show();
QTRY_VERIFY(sizeGrip->isVisible());
widget->showFullScreen();
QTRY_VERIFY(!sizeGrip->isVisible());
widget->showNormal();
QTRY_VERIFY(sizeGrip->isVisible());
widget->showMaximized();
#ifndef Q_OS_MAC
QTRY_VERIFY(!sizeGrip->isVisible());
#else
QEXPECT_FAIL("", "QTBUG-23681", Abort);
QVERIFY(sizeGrip->isVisible());
#endif
widget->showNormal();
QTRY_VERIFY(sizeGrip->isVisible());
sizeGrip->hide();
QTRY_VERIFY(!sizeGrip->isVisible());
widget->showFullScreen();
widget->showNormal();
QTRY_VERIFY(!sizeGrip->isVisible());
widget->showMaximized();
widget->showNormal();
QTRY_VERIFY(!sizeGrip->isVisible());
}
void tst_QSizeGrip::orientation()
{
TestWidget widget;
widget.setLayout(new QVBoxLayout);
QSizeGrip *sizeGrip = new QSizeGrip(&widget);
sizeGrip->setFixedSize(sizeGrip->sizeHint());
widget.layout()->addWidget(sizeGrip);
widget.layout()->setAlignment(sizeGrip, Qt::AlignBottom | Qt::AlignRight);
widget.show();
QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::BottomRightCorner);
widget.setLayoutDirection(Qt::RightToLeft);
qApp->processEvents();
QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::BottomLeftCorner);
widget.unsetLayoutDirection();
qApp->processEvents();
QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::BottomRightCorner);
widget.layout()->setAlignment(sizeGrip, Qt::AlignTop | Qt::AlignRight);
qApp->processEvents();
QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::TopRightCorner);
widget.setLayoutDirection(Qt::RightToLeft);
qApp->processEvents();
QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::TopLeftCorner);
widget.unsetLayoutDirection();
qApp->processEvents();
QCOMPARE(sizeGripCorner(&widget, sizeGrip), Qt::TopRightCorner);
}
void tst_QSizeGrip::dontCrashOnTLWChange()
{
// QTBUG-22867
QMdiArea mdiArea;
mdiArea.show();
QScopedPointer<QMainWindow> mw(new QMainWindow);
QMdiSubWindow *mdi = mdiArea.addSubWindow(mw.data());
mw->statusBar()->setSizeGripEnabled(true);
mdiArea.removeSubWindow(mw.data());
delete mdi;
mw->show();
// the above setup causes a change of TLW for the size grip,
// and it must not crash.
QVERIFY(QTest::qWaitForWindowExposed(&mdiArea));
QVERIFY(QTest::qWaitForWindowExposed(mw.data()));
}
QTEST_MAIN(tst_QSizeGrip)
#include "tst_qsizegrip.moc"
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