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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qcoreapplication.h>
#include <qdebug.h>
#include <qscrollarea.h>
#include <qlayout.h>
//TESTED_CLASS=
//TESTED_FILES=
class tst_QScrollArea : public QObject
{
Q_OBJECT
public:
tst_QScrollArea();
virtual ~tst_QScrollArea();
private slots:
void getSetCheck();
void ensureMicroFocusVisible_Task_167838();
void checkHFW_Task_197736();
};
tst_QScrollArea::tst_QScrollArea()
{
}
tst_QScrollArea::~tst_QScrollArea()
{
}
// Testing get/set functions
void tst_QScrollArea::getSetCheck()
{
QScrollArea obj1;
// QWidget * QScrollArea::widget()
// void QScrollArea::setWidget(QWidget *)
QWidget *var1 = new QWidget();
obj1.setWidget(var1);
QCOMPARE(var1, obj1.widget());
obj1.setWidget((QWidget *)0);
QCOMPARE(var1, obj1.widget()); // Cannot set a 0-widget. Old widget returned
// delete var1; // No delete, since QScrollArea takes ownership
// bool QScrollArea::widgetResizable()
// void QScrollArea::setWidgetResizable(bool)
obj1.setWidgetResizable(false);
QCOMPARE(false, obj1.widgetResizable());
obj1.setWidgetResizable(true);
QCOMPARE(true, obj1.widgetResizable());
}
class WidgetWithMicroFocus : public QWidget
{
public:
WidgetWithMicroFocus(QWidget *parent = 0) : QWidget(parent)
{
setBackgroundRole(QPalette::Dark);
}
protected:
QVariant inputMethodQuery(Qt::InputMethodQuery query) const
{
if (query == Qt::ImMicroFocus)
return QRect(width() / 2, height() / 2, 5, 5);
return QWidget::inputMethodQuery(query);
}
// void paintEvent(QPaintEvent *event)
// {
// QPainter painter(this);
// painter.fillRect(rect(), QBrush(Qt::red));
// }
};
void tst_QScrollArea::ensureMicroFocusVisible_Task_167838()
{
QScrollArea scrollArea;
scrollArea.resize(100, 100);
scrollArea.show();
QWidget *parent = new QWidget;
parent->setLayout(new QVBoxLayout);
QWidget *child = new WidgetWithMicroFocus;
parent->layout()->addWidget(child);
parent->resize(300, 300);
scrollArea.setWidget(parent);
scrollArea.ensureWidgetVisible(child, 10, 10);
QRect microFocus = child->inputMethodQuery(Qt::ImMicroFocus).toRect();
QPoint p = child->mapTo(scrollArea.viewport(), microFocus.topLeft());
microFocus.translate(p - microFocus.topLeft());
QVERIFY(scrollArea.viewport()->rect().contains(microFocus));
}
class HFWWidget : public QWidget
{
public:
HFWWidget();
int heightForWidth(int w) const;
};
HFWWidget::HFWWidget()
: QWidget()
{
setMinimumSize(QSize(100,50));
QSizePolicy s = sizePolicy();
s.setHeightForWidth(true);
setSizePolicy(s);
}
int HFWWidget::heightForWidth(int w) const
{
// Mimic a label - the narrower we are, the taller we have to be
if (w > 0)
return 40000 / w;
else
return 40000;
}
void tst_QScrollArea::checkHFW_Task_197736()
{
QScrollArea scrollArea;
HFWWidget *w = new HFWWidget;
scrollArea.resize(200,100);
scrollArea.show();
scrollArea.setWidgetResizable(true);
scrollArea.setWidget(w);
// at 200x100px, we expect HFW to be 200px tall, not 100px
QVERIFY(w->height() >= 200);
// at 200x300px, we expect HFW to be 300px tall (the heightForWidth is a min, not prescribed)
scrollArea.resize(QSize(200, 300));
QVERIFY(w->height() >= 250); // 50px for a fudge factor (size of frame margins/scrollbars etc)
// make sure this only happens with widget resizable
scrollArea.setWidgetResizable(false);
scrollArea.resize(QSize(100,100));
w->resize(QSize(200,200));
QVERIFY(w->width() == 200);
QVERIFY(w->height() == 200);
}
QTEST_MAIN(tst_QScrollArea)
#include "tst_qscrollarea.moc"
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