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qt5base-lts/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
J-P Nurmi bb5e45d0a0 Made QWindowsXPStyle internal 
We will take this opportynity to remove various QStyle specializations
from the public API in Qt5. This gives us much more freedom, for
example changing the inheritance hierarchy and even merging style
implementations (XP & Vista) later on, without worrying about BC.

=> Use QStyleFactory and/or QProxyStyle instead of creating an instance
or inheriting QWindowsXPStyle directly.

Change-Id: Ib4fec35c2fcb3b5a193537a1de5b6e26fbbe0a06
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>
2012-11-21 16:36:50 +01:00

791 lines
22 KiB
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt 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 <qlayout.h>
#include "qstyle.h"
#include <qevent.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <qapplication.h>
#include <qwidget.h>
#include <qlabel.h>
#include <qstyleoption.h>
#include <qscrollbar.h>
#include <qprogressbar.h>
#include <qtoolbutton.h>
#include <qtoolbar.h>
#include <qwindowsstyle.h>
#include <qcommonstyle.h>
#include <qproxystyle.h>
#include <qstylefactory.h>
#include <qimagereader.h>
#include <qimagewriter.h>
#include <qmenu.h>
#include <qpushbutton.h>
#include <qspinbox.h>
#include <qcombobox.h>
#include <qradiobutton.h>
#include <qlineedit.h>
#include <qmdiarea.h>
#include <qscrollarea.h>
#ifdef Q_OS_MAC
#include <QMacStyle>
#endif
#ifdef Q_OS_WINCE
#include <QWindowsCEStyle>
#endif
#ifdef Q_OS_WINCE_WM
#include <QWindowsMobileStyle>
#include <windows.h>
static bool qt_wince_is_smartphone() {
wchar_t tszPlatform[64];
if (SystemParametersInfo(SPI_GETPLATFORMTYPE,
sizeof(tszPlatform)/sizeof(*tszPlatform),tszPlatform,0))
if (0 == _tcsicmp(reinterpret_cast<const wchar_t *> (QString::fromLatin1("Smartphone").utf16()), tszPlatform))
return true;
return false;
}
#endif
#include <qwidget.h>
class tst_QStyle : public QObject
{
Q_OBJECT
public:
tst_QStyle();
virtual ~tst_QStyle();
private:
bool testAllFunctions(QStyle *);
bool testScrollBarSubControls(QStyle *);
void testPainting(QStyle *style, const QString &platform);
private slots:
void drawItemPixmap();
void initTestCase();
void cleanup();
void cleanupTestCase();
void init();
#ifndef QT_NO_STYLE_FUSION
void testFusionStyle();
#endif
void testWindowsStyle();
#if defined(Q_OS_WIN) && !defined(QT_NO_STYLE_WINDOWSXP)
void testWindowsXPStyle();
#endif
#if defined(Q_OS_WIN) && !defined(QT_NO_STYLE_WINDOWSVISTA)
void testWindowsVistaStyle();
#endif
#ifdef Q_OS_MAC
void testMacStyle();
#endif
#ifdef Q_OS_WINCE
void testWindowsCEStyle();
#endif
#ifdef Q_OS_WINCE_WM
void testWindowsMobileStyle();
#endif
void testStyleFactory();
void testProxyStyle();
void pixelMetric();
#if !defined(QT_NO_STYLE_WINDOWS) && !defined(QT_NO_STYLE_FUSION)
void progressBarChangeStyle();
#endif
void defaultFont();
void testDrawingShortcuts();
void testFrameOnlyAroundContents();
private:
void lineUpLayoutTest(QStyle *);
QWidget *testWidget;
};
tst_QStyle::tst_QStyle()
{
testWidget = 0;
}
tst_QStyle::~tst_QStyle()
{
}
class MyWidget : public QWidget
{
public:
MyWidget( QWidget* QWidget=0, const char* name=0 );
protected:
void paintEvent( QPaintEvent* );
};
void tst_QStyle::init()
{
testWidget = new MyWidget( 0, "testObject");
}
void tst_QStyle::cleanup()
{
delete testWidget;
testWidget = 0;
}
void tst_QStyle::initTestCase()
{
}
void tst_QStyle::cleanupTestCase()
{
}
void tst_QStyle::testStyleFactory()
{
QStringList keys = QStyleFactory::keys();
#ifndef QT_NO_STYLE_FUSION
QVERIFY(keys.contains("Fusion"));
#endif
#ifndef QT_NO_STYLE_WINDOWS
QVERIFY(keys.contains("Windows"));
#endif
#ifdef Q_OS_WIN
if (QSysInfo::WindowsVersion >= QSysInfo::WV_XP &&
(QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))
QVERIFY(keys.contains("WindowsXP"));
if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA &&
(QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))
QVERIFY(keys.contains("WindowsVista"));
#endif
foreach (QString styleName , keys) {
QStyle *style = QStyleFactory::create(styleName);
QVERIFY2(style != 0, qPrintable(QString::fromLatin1("Fail to load style '%1'").arg(styleName)));
delete style;
}
}
class CustomProxy : public QProxyStyle
{
virtual int pixelMetric(PixelMetric metric, const QStyleOption *option = 0,
const QWidget *widget = 0) const
{
if (metric == QStyle::PM_ButtonIconSize)
return 13;
return QProxyStyle::pixelMetric(metric, option, widget);
}
};
void tst_QStyle::testProxyStyle()
{
QProxyStyle *proxyStyle = new QProxyStyle();
QVERIFY(proxyStyle->baseStyle());
QStyle *style = new QWindowsStyle;
QVERIFY(style->proxy() == style);
proxyStyle->setBaseStyle(style);
QVERIFY(style->proxy() == proxyStyle);
QVERIFY(style->parent() == proxyStyle);
QVERIFY(proxyStyle->baseStyle() == style);
QVERIFY(testAllFunctions(proxyStyle));
proxyStyle->setBaseStyle(0);
QVERIFY(proxyStyle->baseStyle());
qApp->setStyle(proxyStyle);
QProxyStyle doubleProxy(new QProxyStyle(new QWindowsStyle()));
QVERIFY(testAllFunctions(&doubleProxy));
CustomProxy customStyle;
QLineEdit edit;
edit.setStyle(&customStyle);
QVERIFY(!customStyle.parent());
QVERIFY(edit.style()->pixelMetric(QStyle::PM_ButtonIconSize) == 13);
}
void tst_QStyle::drawItemPixmap()
{
testWidget->resize(300, 300);
testWidget->show();
QPixmap p(QString(SRCDIR) + "/task_25863.png", "PNG");
const QPixmap actualPix = testWidget->grab();
QCOMPARE(actualPix, p);
testWidget->hide();
}
bool tst_QStyle::testAllFunctions(QStyle *style)
{
QStyleOption opt;
opt.init(testWidget);
testWidget->setStyle(style);
//Tests styleHint with default arguments for potential crashes
for ( int hint = 0 ; hint < int(QStyle::SH_Menu_Mask); ++hint) {
style->styleHint(QStyle::StyleHint(hint));
style->styleHint(QStyle::StyleHint(hint), &opt, testWidget);
}
//Tests pixelMetric with default arguments for potential crashes
for ( int pm = 0 ; pm < int(QStyle::PM_LayoutVerticalSpacing); ++pm) {
style->pixelMetric(QStyle::PixelMetric(pm));
style->pixelMetric(QStyle::PixelMetric(pm), &opt, testWidget);
}
//Tests drawControl with default arguments for potential crashes
for ( int control = 0 ; control < int(QStyle::CE_ColumnViewGrip); ++control) {
QPixmap surface(QSize(200, 200));
QPainter painter(&surface);
style->drawControl(QStyle::ControlElement(control), &opt, &painter, 0);
}
//Tests drawComplexControl with default arguments for potential crashes
{
QPixmap surface(QSize(200, 200));
QPainter painter(&surface);
QStyleOptionComboBox copt1;
copt1.init(testWidget);
QStyleOptionGroupBox copt2;
copt2.init(testWidget);
QStyleOptionSizeGrip copt3;
copt3.init(testWidget);
QStyleOptionSlider copt4;
copt4.init(testWidget);
copt4.minimum = 0;
copt4.maximum = 100;
copt4.tickInterval = 25;
copt4.sliderValue = 50;
QStyleOptionSpinBox copt5;
copt5.init(testWidget);
QStyleOptionTitleBar copt6;
copt6.init(testWidget);
QStyleOptionToolButton copt7;
copt7.init(testWidget);
QStyleOptionComplex copt9;
copt9.initFrom(testWidget);
style->drawComplexControl(QStyle::CC_SpinBox, &copt5, &painter, 0);
style->drawComplexControl(QStyle::CC_ComboBox, &copt1, &painter, 0);
style->drawComplexControl(QStyle::CC_ScrollBar, &copt4, &painter, 0);
style->drawComplexControl(QStyle::CC_Slider, &copt4, &painter, 0);
style->drawComplexControl(QStyle::CC_ToolButton, &copt7, &painter, 0);
style->drawComplexControl(QStyle::CC_TitleBar, &copt6, &painter, 0);
style->drawComplexControl(QStyle::CC_GroupBox, &copt2, &painter, 0);
style->drawComplexControl(QStyle::CC_Dial, &copt4, &painter, 0);
}
//Check standard pixmaps/icons
for ( int i = 0 ; i < int(QStyle::SP_ToolBarVerticalExtensionButton); ++i) {
QPixmap pixmap = style->standardPixmap(QStyle::StandardPixmap(i));
if (pixmap.isNull()) {
qWarning("missing StandardPixmap: %d", i);
}
QIcon icn = style->standardIcon(QStyle::StandardPixmap(i));
if (icn.isNull()) {
qWarning("missing StandardIcon: %d", i);
}
}
style->itemPixmapRect(QRect(0, 0, 100, 100), Qt::AlignHCenter, QPixmap(200, 200));
style->itemTextRect(QFontMetrics(qApp->font()), QRect(0, 0, 100, 100), Qt::AlignHCenter, true, QString("Test"));
return testScrollBarSubControls(style);
}
bool tst_QStyle::testScrollBarSubControls(QStyle* style)
{
// WinCE SmartPhone doesn't have scrollbar subcontrols, so skip the rest of the test.
#ifdef Q_OS_WINCE_WM
if (qobject_cast<QWindowsMobileStyle*>(style) && qt_wince_is_smartphone())
return true;
#else
Q_UNUSED(style);
#endif
QScrollBar scrollBar;
scrollBar.show();
const QStyleOptionSlider opt = qt_qscrollbarStyleOption(&scrollBar);
foreach (int subControl, QList<int>() << 1 << 2 << 4 << 8) {
QRect sr = testWidget->style()->subControlRect(QStyle::CC_ScrollBar, &opt,
QStyle::SubControl(subControl), &scrollBar);
if (sr.isNull()) {
qWarning("Null rect for subcontrol %d", subControl);
return false;
}
}
return true;
}
#ifndef QT_NO_STYLE_FUSION
void tst_QStyle::testFusionStyle()
{
QStyle *fstyle = QStyleFactory::create("Fusion");
QVERIFY(testAllFunctions(fstyle));
lineUpLayoutTest(fstyle);
delete fstyle;
}
#endif
void tst_QStyle::testWindowsStyle()
{
QWindowsStyle wstyle;
QVERIFY(testAllFunctions(&wstyle));
lineUpLayoutTest(&wstyle);
// Tests drawing indeterminate progress with 0 size: QTBUG-15973
QStyleOptionProgressBar pb;
pb.rect = QRect(0,0,-9,0);
QPixmap surface(QSize(200, 200));
QPainter painter(&surface);
wstyle.drawControl(QStyle::CE_ProgressBar, &pb, &painter, 0);
}
#if defined(Q_OS_WIN) && !defined(QT_NO_STYLE_WINDOWSXP)
// WindowsXP style
void tst_QStyle::testWindowsXPStyle()
{
QStyle *xpstyle = QStyleFactory::create("WindowsXP");
QVERIFY(testAllFunctions(xpstyle));
lineUpLayoutTest(xpstyle);
delete xpstyle;
}
#endif
void writeImage(const QString &fileName, QImage image)
{
QImageWriter imageWriter(fileName);
imageWriter.setFormat("png");
qDebug() << "result " << imageWriter.write(image);
}
QImage readImage(const QString &fileName)
{
QImageReader reader(fileName);
return reader.read();
}
#if defined(Q_OS_WIN) && !defined(QT_NO_STYLE_WINDOWSVISTA)
void tst_QStyle::testWindowsVistaStyle()
{
QStyle *vistastyle = QStyleFactory::create("WindowsVista");
QVERIFY(testAllFunctions(vistastyle));
if (QSysInfo::WindowsVersion == QSysInfo::WV_VISTA)
testPainting(vistastyle, "vista");
else if (QSysInfo::WindowsVersion == QSysInfo::WV_XP)
testPainting(vistastyle, "xp");
delete vistastyle;
}
#endif
void comparePixmap(const QString &filename, const QPixmap &pixmap)
{
QImage oldFile = readImage(filename);
QPixmap oldPixmap = QPixmap::fromImage(oldFile);
if (!oldFile.isNull())
QCOMPARE(pixmap, oldPixmap);
else
writeImage(filename, pixmap.toImage());
}
void tst_QStyle::testPainting(QStyle *style, const QString &platform)
{
qDebug("TEST PAINTING");
//Test Menu
QString fileName = "images/" + platform + "/menu.png";
QMenu menu;
menu.setStyle(style);
menu.show();
menu.addAction(new QAction("Test 1", &menu));
menu.addAction(new QAction("Test 2", &menu));
QPixmap pixmap = menu.grab();
comparePixmap(fileName, pixmap);
//Push button
fileName = "images/" + platform + "/button.png";
QPushButton button("OK");
button.setStyle(style);
button.show();
pixmap = button.grab();
button.hide();
comparePixmap(fileName, pixmap);
//Push button
fileName = "images/" + platform + "/radiobutton.png";
QRadioButton radiobutton("Check");
radiobutton.setStyle(style);
radiobutton.show();
pixmap = radiobutton.grab();
radiobutton.hide();
comparePixmap(fileName, pixmap);
//Combo box
fileName = "images/" + platform + "/combobox.png";
QComboBox combobox;
combobox.setStyle(style);
combobox.addItem("Test 1");
combobox.addItem("Test 2");
combobox.show();
pixmap = combobox.grab();
combobox.hide();
comparePixmap(fileName, pixmap);
//Spin box
fileName = "images/" + platform + "/spinbox.png";
QDoubleSpinBox spinbox;
spinbox.setLocale(QLocale(QLocale::English, QLocale::UnitedStates));
spinbox.setStyle(style);
spinbox.show();
pixmap = spinbox.grab();
spinbox.hide();
comparePixmap(fileName, pixmap);
QLocale::setDefault(QLocale::system());
//Slider
fileName = "images/" + platform + "/slider.png";
QSlider slider;
slider.setStyle(style);
slider.show();
pixmap = slider.grab();
slider.hide();
comparePixmap(fileName, pixmap);
//Line edit
fileName = "images/" + platform + "/lineedit.png";
QLineEdit lineedit("Test text");
lineedit.setStyle(style);
lineedit.show();
pixmap = lineedit.grab();
lineedit.hide();
comparePixmap(fileName, pixmap);
//MDI
fileName = "images/" + platform + "/mdi.png";
QMdiArea mdiArea;
mdiArea.addSubWindow(new QWidget(&mdiArea));
mdiArea.resize(200, 200);
mdiArea.setStyle(style);
mdiArea.show();
pixmap = mdiArea.grab();
mdiArea.hide();
comparePixmap(fileName, pixmap);
// QToolButton
fileName = "images/" + platform + "/toolbutton.png";
QToolButton tb;
tb.setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
tb.setText("AaQqPpXx");
tb.setIcon(style->standardPixmap(QStyle::SP_DirHomeIcon));
tb.setStyle(style);
tb.show();
pixmap = tb.grab();
tb.hide();
comparePixmap(fileName, pixmap);
}
#ifdef Q_OS_MAC
void tst_QStyle::testMacStyle()
{
QMacStyle mstyle;
QVERIFY(testAllFunctions(&mstyle));
}
#endif
#ifdef Q_OS_WINCE
// WindowsCEStyle style
void tst_QStyle::testWindowsCEStyle()
{
QWindowsCEStyle cstyle;
QVERIFY(testAllFunctions(&cstyle));
}
#endif
#ifdef Q_OS_WINCE_WM
// WindowsMobileStyle style
void tst_QStyle::testWindowsMobileStyle()
{
QWindowsMobileStyle cstyle;
QVERIFY(testAllFunctions(&cstyle));
}
#endif
// Helper class...
MyWidget::MyWidget( QWidget* parent, const char* name )
: QWidget( parent )
{
setObjectName(name);
}
void MyWidget::paintEvent( QPaintEvent* )
{
QPainter p(this);
QPixmap big(400,400);
big.fill(Qt::green);
style()->drawItemPixmap(&p, rect(), Qt::AlignCenter, big);
}
class Qt42Style : public QWindowsStyle
{
Q_OBJECT
public:
Qt42Style() : QWindowsStyle()
{
margin_toplevel = 10;
margin = 5;
spacing = 0;
}
virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
const QWidget * widget = 0 ) const;
int margin_toplevel;
int margin;
int spacing;
};
int Qt42Style::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
const QWidget * widget /*= 0*/ ) const
{
switch (metric) {
case QStyle::PM_DefaultTopLevelMargin:
return margin_toplevel;
break;
case QStyle::PM_DefaultChildMargin:
return margin;
break;
case QStyle::PM_DefaultLayoutSpacing:
return spacing;
break;
default:
break;
}
return QWindowsStyle::pixelMetric(metric, option, widget);
}
void tst_QStyle::pixelMetric()
{
Qt42Style *style = new Qt42Style();
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultTopLevelMargin), 10);
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultChildMargin), 5);
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultLayoutSpacing), 0);
style->margin_toplevel = 0;
style->margin = 0;
style->spacing = 0;
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultTopLevelMargin), 0);
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultChildMargin), 0);
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultLayoutSpacing), 0);
style->margin_toplevel = -1;
style->margin = -1;
style->spacing = -1;
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultTopLevelMargin), -1);
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultChildMargin), -1);
QCOMPARE(style->pixelMetric(QStyle::PM_DefaultLayoutSpacing), -1);
delete style;
}
#if !defined(QT_NO_STYLE_WINDOWS) && !defined(QT_NO_STYLE_FUSION)
void tst_QStyle::progressBarChangeStyle()
{
//test a crashing situation (task 143530)
//where changing the styles and deleting a progressbar would crash
QWindowsStyle style1;
QStyle *style2 = QStyleFactory::create("Fusion");
QProgressBar *progress=new QProgressBar;
progress->setStyle(&style1);
progress->show();
progress->setStyle(style2);
QTest::qWait(100);
delete progress;
QTest::qWait(100);
//before the correction, there would be a crash here
delete style2;
}
#endif
void tst_QStyle::lineUpLayoutTest(QStyle *style)
{
QWidget widget;
QHBoxLayout layout;
QFont font;
font.setPointSize(9); //Plastique is lined up for odd numbers...
widget.setFont(font);
QSpinBox spinbox(&widget);
QLineEdit lineedit(&widget);
QComboBox combo(&widget);
combo.setEditable(true);
layout.addWidget(&spinbox);
layout.addWidget(&lineedit);
layout.addWidget(&combo);
widget.setLayout(&layout);
widget.setStyle(style);
// propagate the style.
foreach (QWidget *w, qFindChildren<QWidget *>(&widget))
w->setStyle(style);
widget.show();
QTest::qWait( 500 );
QVERIFY(qAbs(spinbox.height() - lineedit.height()) <= 1);
QVERIFY(qAbs(spinbox.height() - combo.height()) <= 1);
}
void tst_QStyle::defaultFont()
{
QFont defaultFont = qApp->font();
QFont pointFont = defaultFont;
pointFont.setPixelSize(9);
qApp->setFont(pointFont);
QPushButton button;
button.show();
qApp->processEvents();
qApp->setFont(defaultFont);
}
class DrawTextStyle : public QProxyStyle
{
Q_OBJECT
public:
DrawTextStyle(QStyle *base = 0) : QProxyStyle(), alignment(0) { setBaseStyle(base); }
void drawItemText(QPainter *painter, const QRect &rect,
int flags, const QPalette &pal, bool enabled,
const QString &text, QPalette::ColorRole textRole = QPalette::NoRole) const
{
DrawTextStyle *that = (DrawTextStyle *)this;
that->alignment = flags;
QProxyStyle::drawItemText(painter, rect, flags, pal, enabled, text, textRole);
}
int alignment;
};
void tst_QStyle::testDrawingShortcuts()
{
{
QWidget w;
QToolButton *tb = new QToolButton(&w);
tb->setText("&abc");
DrawTextStyle *dts = new DrawTextStyle;
w.show();
tb->setStyle(dts);
tb->grab();
QStyleOptionToolButton sotb;
sotb.initFrom(tb);
bool showMnemonic = dts->styleHint(QStyle::SH_UnderlineShortcut, &sotb, tb);
QVERIFY(dts->alignment & (showMnemonic ? Qt::TextShowMnemonic : Qt::TextHideMnemonic));
delete dts;
}
{
QToolBar w;
QToolButton *tb = new QToolButton(&w);
tb->setText("&abc");
DrawTextStyle *dts = new DrawTextStyle;
w.addWidget(tb);
w.show();
tb->setStyle(dts);
tb->grab();
QStyleOptionToolButton sotb;
sotb.initFrom(tb);
bool showMnemonic = dts->styleHint(QStyle::SH_UnderlineShortcut, &sotb, tb);
QVERIFY(dts->alignment & (showMnemonic ? Qt::TextShowMnemonic : Qt::TextHideMnemonic));
delete dts;
}
}
#define SCROLLBAR_SPACING 33
class FrameTestStyle : public QWindowsStyle {
int styleHint(StyleHint hint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const {
if (hint == QStyle::SH_ScrollView_FrameOnlyAroundContents)
return 1;
return QWindowsStyle ::styleHint(hint, opt, widget, returnData);
}
int pixelMetric(PixelMetric pm, const QStyleOption *option, const QWidget *widget) const {
if (pm == QStyle::PM_ScrollView_ScrollBarSpacing)
return SCROLLBAR_SPACING;
return QWindowsStyle ::pixelMetric(pm, option ,widget);
}
};
void tst_QStyle::testFrameOnlyAroundContents()
{
QScrollArea area;
area.setGeometry(0, 0, 200, 200);
QWindowsStyle winStyle;
FrameTestStyle frameStyle;
QWidget *widget = new QWidget(&area);
widget->setGeometry(0, 0, 400, 400);
area.setStyle(&winStyle);
area.verticalScrollBar()->setStyle(&winStyle);
area.setWidget(widget);
area.setVisible(true);
int viewPortWidth = area.viewport()->width();
area.verticalScrollBar()->setStyle(&frameStyle);
area.setStyle(&frameStyle);
// Test that we reserve space for scrollbar spacing
QVERIFY(viewPortWidth == area.viewport()->width() + SCROLLBAR_SPACING);
}
QTEST_MAIN(tst_QStyle)
#include "tst_qstyle.moc"
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