qt5base-lts/tests/auto/widgets/kernel/qlayout/tst_qlayout.cpp
Friedemann Kleint 54fd35b134 Fix warnings about not being able to set Window geometry on Windows.
Fully decorated windows cannot be smaller than 160x30 (Large fonts).
Enlarge Windows or remove Window frame  to get rid of decorations.

Task-number: QTBUG-28611
Change-Id: Idb6ee94fb8d0760d5f97042b3084557f11e9fdf9
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
2013-01-08 13:54:04 +01:00

355 lines
11 KiB
C++

/****************************************************************************
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** This file is part of the test suite of the Qt Toolkit.
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#include <QtTest/QtTest>
#include <qcoreapplication.h>
#include <qdebug.h>
#include <qboxlayout.h>
#include <qmenubar.h>
#include <qdialog.h>
#include <qsizegrip.h>
#include <qlabel.h>
#include <QtWidgets/QFrame>
#include <QtWidgets/QStyleFactory>
#include <QtWidgets/QSizePolicy>
#include <QtWidgets/QComboBox>
#include <QPushButton>
#include <QRadioButton>
#include <private/qlayoutengine_p.h>
static inline void setFrameless(QWidget *w)
{
Qt::WindowFlags flags = w->windowFlags();
flags |= Qt::FramelessWindowHint;
flags &= ~(Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
w->setWindowFlags(flags);
}
class tst_QLayout : public QObject
{
Q_OBJECT
public:
tst_QLayout();
virtual ~tst_QLayout();
private slots:
void getSetCheck();
void geometry();
void smartMaxSize();
void setLayoutBugs();
void setContentsMargins();
void layoutItemRect();
void warnIfWrongParent();
void controlTypes();
void controlTypes2();
void adjustSizeShouldMakeSureLayoutIsActivated();
};
tst_QLayout::tst_QLayout()
{
}
tst_QLayout::~tst_QLayout()
{
}
// Testing get/set functions
void tst_QLayout::getSetCheck()
{
QBoxLayout obj1(QBoxLayout::LeftToRight);
// QWidget * QLayout::menuBar()
// void QLayout::setMenuBar(QWidget *)
QMenuBar *var1 = new QMenuBar();
obj1.setMenuBar(var1);
QCOMPARE(static_cast<QWidget *>(var1), obj1.menuBar());
obj1.setMenuBar((QWidget *)0);
QCOMPARE((QWidget *)0, obj1.menuBar());
delete var1;
}
class SizeHinterFrame : public QFrame
{
public:
SizeHinterFrame(const QSize &sh, const QSize &msh = QSize())
: QFrame(0), sh(sh), msh(msh) {
setFrameStyle(QFrame::Box | QFrame::Plain);
}
void setSizeHint(const QSize &s) { sh = s; }
QSize sizeHint() const { return sh; }
QSize minimumSizeHint() const { return msh; }
private:
QSize sh;
QSize msh;
};
void tst_QLayout::geometry()
{
// For QWindowsStyle we know that QWidgetItem::geometry() and QWidget::geometry()
// should be the same.
QApplication::setStyle(QStyleFactory::create(QLatin1String("Windows")));
QWidget topLevel;
setFrameless(&topLevel);
QWidget w(&topLevel);
QVBoxLayout layout(&w);
SizeHinterFrame widget(QSize(100,100));
layout.addWidget(&widget);
QLayoutItem *item = layout.itemAt(0);
topLevel.show();
QApplication::processEvents();
QCOMPARE(item->geometry().size(), QSize(100,100));
widget.setMinimumSize(QSize(110,110));
QCOMPARE(item->geometry().size(), QSize(110,110));
widget.setMinimumSize(QSize(0,0));
widget.setMaximumSize(QSize(90,90));
widget.setSizeHint(QSize(100,100));
QCOMPARE(item->geometry().size(), QSize(90,90));
}
void tst_QLayout::smartMaxSize()
{
QVector<int> expectedWidths;
QFile f(QFINDTESTDATA("baseline/smartmaxsize"));
QCOMPARE(f.open(QIODevice::ReadOnly | QIODevice::Text), true);
QTextStream stream(&f);
while(!stream.atEnd()) {
QString line = stream.readLine(200);
expectedWidths.append(line.section(QLatin1Char(' '), 6, -1, QString::SectionSkipEmpty).toInt());
}
f.close();
int sizeCombinations[] = { 0, 10, 20, QWIDGETSIZE_MAX};
QSizePolicy::Policy policies[] = { QSizePolicy::Fixed,
QSizePolicy::Minimum,
QSizePolicy::Maximum,
QSizePolicy::Preferred,
QSizePolicy::Expanding,
QSizePolicy::MinimumExpanding,
QSizePolicy::Ignored
};
Qt::Alignment alignments[] = { 0,
Qt::AlignLeft,
Qt::AlignRight,
Qt::AlignHCenter
};
int expectedIndex = 0;
int regressionCount = 0;
for (size_t p = 0; p < sizeof(policies)/sizeof(QSizePolicy::Policy); ++p) {
QSizePolicy sizePolicy;
sizePolicy.setHorizontalPolicy(policies[p]);
for (size_t min = 0; min < sizeof(sizeCombinations)/sizeof(int); ++min) {
int minSize = sizeCombinations[min];
for (size_t max = 0; max < sizeof(sizeCombinations)/sizeof(int); ++max) {
int maxSize = sizeCombinations[max];
for (size_t sh = 0; sh < sizeof(sizeCombinations)/sizeof(int); ++sh) {
int sizeHint = sizeCombinations[sh];
for (size_t a = 0; a < sizeof(alignments)/sizeof(int); ++a) {
Qt::Alignment align = alignments[a];
QSize sz = qSmartMaxSize(QSize(sizeHint, 1), QSize(minSize, 1), QSize(maxSize, 1), sizePolicy, align);
int width = sz.width();
int expectedWidth = expectedWidths[expectedIndex];
if (width != expectedWidth) {
qDebug() << "error at index" << expectedIndex << ":" << sizePolicy.horizontalPolicy() << align << minSize << sizeHint << maxSize << width;
++regressionCount;
}
++expectedIndex;
}
}
}
}
}
QCOMPARE(regressionCount, 0);
}
void tst_QLayout::setLayoutBugs()
{
QWidget widget(0);
QHBoxLayout *hBoxLayout = new QHBoxLayout(&widget);
for(int i = 0; i < 6; ++i) {
QPushButton *pushButton = new QPushButton("Press me!", &widget);
hBoxLayout->addWidget(pushButton);
}
widget.setLayout(hBoxLayout);
QVERIFY(widget.layout() == hBoxLayout);
QWidget containerWidget(0);
containerWidget.setLayout(widget.layout());
QVERIFY(widget.layout() == 0);
QVERIFY(containerWidget.layout() == hBoxLayout);
}
class MyLayout : public QLayout
{
public:
MyLayout() : invalidated(false) {}
virtual void invalidate() {invalidated = true;}
bool invalidated;
QSize sizeHint() const {return QSize();}
void addItem(QLayoutItem*) {}
QLayoutItem* itemAt(int) const {return 0;}
QLayoutItem* takeAt(int) {return 0;}
int count() const {return 0;}
};
void tst_QLayout::setContentsMargins()
{
MyLayout layout;
layout.invalidated = false;
int left, top, right, bottom;
layout.setContentsMargins(52, 53, 54, 55);
QVERIFY(layout.invalidated);
layout.invalidated = false;
layout.getContentsMargins(&left, &top, &right, &bottom);
QCOMPARE(left, 52);
QCOMPARE(top, 53);
QCOMPARE(right, 54);
QCOMPARE(bottom, 55);
layout.setContentsMargins(52, 53, 54, 55);
QVERIFY(!layout.invalidated);
}
class EventReceiver : public QObject
{
public:
bool eventFilter(QObject *watched, QEvent *event)
{
if (event->type() == QEvent::Show) {
geom = static_cast<QWidget*>(watched)->geometry();
}
return false;
}
QRect geom;
};
void tst_QLayout::layoutItemRect()
{
#ifdef Q_OS_MAC
if (QApplication::style()->inherits("QMacStyle")) {
QWidget *window = new QWidget;
QRadioButton *radio = new QRadioButton(window);
QWidgetItem item(radio);
EventReceiver eventReceiver;
radio->installEventFilter(&eventReceiver);
radio->show();
QApplication::processEvents();
QApplication::processEvents();
QSize s = item.sizeHint();
item.setAlignment(Qt::AlignVCenter);
item.setGeometry(QRect(QPoint(0, 0), s));
QCOMPARE(radio->geometry().size(), radio->sizeHint());
delete radio;
}
#endif
}
void tst_QLayout::warnIfWrongParent()
{
QWidget root;
QHBoxLayout lay;
lay.setParent(&root);
QTest::ignoreMessage(QtWarningMsg, "QLayout::parentWidget: A layout can only have another layout as a parent.");
QCOMPARE(lay.parentWidget(), static_cast<QWidget*>(0));
}
void tst_QLayout::controlTypes()
{
QVBoxLayout layout;
QCOMPARE(layout.controlTypes(), QSizePolicy::DefaultType);
QSizePolicy p;
QCOMPARE(p.controlType(),QSizePolicy::DefaultType);
}
void tst_QLayout::controlTypes2()
{
QWidget main;
QVBoxLayout *const layout = new QVBoxLayout(&main);
layout->setMargin(0);
QComboBox *combo = new QComboBox(&main);
layout->addWidget(combo);
QCOMPARE(layout->controlTypes(), QSizePolicy::ComboBox);
}
void tst_QLayout::adjustSizeShouldMakeSureLayoutIsActivated()
{
QWidget main;
QVBoxLayout *const layout = new QVBoxLayout(&main);
layout->setMargin(0);
SizeHinterFrame *frame = new SizeHinterFrame(QSize(200, 10), QSize(200, 8));
frame->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
layout->addWidget(frame);
SizeHinterFrame *frame2 = new SizeHinterFrame(QSize(200, 10), QSize(200, 8));
frame2->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
layout->addWidget(frame2);
main.show();
frame2->hide();
main.adjustSize();
QCOMPARE(main.size(), QSize(200, 10));
}
QTEST_MAIN(tst_QLayout)
#include "tst_qlayout.moc"