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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <qlayout.h>
+#include <qapplication.h>
+#include <qwidget.h>
+#include <qwindowsstyle.h>
+#include <qsizepolicy.h>
+#include <QtGui>
+
+#include <QtGui/QWindowsStyle>
+#include <QStyleFactory>
+
+#include "../../shared/util.h"
+#include "../platformquirks.h"
+
+//TESTED_CLASS=
+//TESTED_FILES=gui/kernel/qlayout.cpp gui/kernel/qlayout.h
+
+
+class tst_QGridLayout : public QObject
+{
+Q_OBJECT
+
+public:
+ tst_QGridLayout();
+ virtual ~tst_QGridLayout();
+
+
+public slots:
+ void initTestCase();
+ void cleanupTestCase();
+ void init();
+ void cleanup();
+
+private slots:
+ void getItemPosition();
+ void itemAtPosition();
+ void badDistributionBug();
+ void setMinAndMaxSize();
+ void spacingAndSpacers();
+
+ void spacingsAndMargins();
+ void spacingsAndMargins_data();
+ void minMaxSize_data();
+ void minMaxSize();
+
+ void styleDependentSpacingsAndMargins_data();
+ void styleDependentSpacingsAndMargins();
+ void layoutSpacingImplementation_data();
+ void layoutSpacingImplementation();
+ void spacing();
+ void spacerWithSpacing();
+ void contentsRect();
+ void distributeMultiCell();
+
+private:
+ QWidget *testWidget;
+ QGridLayout *testLayout;
+ QWidget *w1;
+ QWidget *w2;
+ QWidget *w3;
+ QSpacerItem *sp;
+
+ QGridLayout *m_grid;
+ QWidget *m_toplevel;
+};
+
+
+tst_QGridLayout::tst_QGridLayout()
+{
+ m_grid = 0;
+ m_toplevel = 0;
+}
+
+tst_QGridLayout::~tst_QGridLayout()
+{
+ delete m_toplevel;
+}
+
+void tst_QGridLayout::initTestCase()
+{
+#ifdef Q_OS_WINCE //disable magic for WindowsCE
+ qApp->setAutoMaximizeThreshold(-1);
+#endif
+ // Create the test class
+ testWidget = new QWidget(0);
+
+ testLayout = new QGridLayout(testWidget);
+
+ w1 = new QWidget(testWidget);
+ w1->setPalette(QPalette(Qt::red));
+ testLayout->addWidget(w1, 0, 0);
+
+ w2 = new QWidget(testWidget);
+ testLayout->addWidget(w2, 1, 1, 2, 2);
+ w2->setPalette(QPalette(Qt::green));
+
+ w3 = new QWidget(testWidget);
+ testLayout->addWidget(w3, 0, 1, 1, 2);
+ w3->setPalette(QPalette(Qt::blue));
+
+ sp = new QSpacerItem(4, 4);
+ testLayout->addItem(sp, 1, 3, 2, 1);
+
+ testWidget->resize( 200, 200 );
+ testWidget->show();
+}
+
+void tst_QGridLayout::cleanupTestCase()
+{
+ delete testWidget;
+ testWidget = 0;
+}
+
+void tst_QGridLayout::init()
+{
+}
+
+void tst_QGridLayout::cleanup()
+{
+}
+
+void tst_QGridLayout::getItemPosition()
+{
+ QLayoutItem *item;
+ int counter = 0;
+
+ bool seenW1 = false;
+ bool seenW2 = false;
+ bool seenW3 = false;
+ bool seenSpacer = false;
+
+ while ((item = testLayout->itemAt(counter))) {
+ QWidget *w = item->widget();
+ int r,c,rs,cs;
+ testLayout->getItemPosition(counter, &r, &c, &rs, &cs);
+
+// qDebug() << "item" << counter << "has" <<r << c << rs << cs;
+
+ if (w == w1) {
+ QVERIFY(!seenW1);
+ seenW1 = true;
+ QCOMPARE(r, 0);
+ QCOMPARE(c, 0);
+ QCOMPARE(rs, 1);
+ QCOMPARE(cs, 1);
+ } else if (w == w2) {
+ QVERIFY(!seenW2);
+ seenW2 = true;
+ QCOMPARE(r, 1);
+ QCOMPARE(c, 1);
+ QCOMPARE(rs, 2);
+ QCOMPARE(cs, 2);
+ } else if (w == w3) {
+ QVERIFY(!seenW3);
+ seenW3 = true;
+ QCOMPARE(r, 0);
+ QCOMPARE(c, 1);
+ QCOMPARE(rs, 1);
+ QCOMPARE(cs, 2);
+ } else {
+ QVERIFY(!w);
+ QVERIFY(!seenSpacer);
+ seenSpacer = true;
+ QCOMPARE(r, 1);
+ QCOMPARE(c, 3);
+ QCOMPARE(rs, 2);
+ QCOMPARE(cs, 1);
+ }
+ ++counter;
+ }
+ QCOMPARE(counter, 4);
+ QVERIFY(seenW1);
+ QVERIFY(seenW2);
+ QVERIFY(seenW3);
+ QVERIFY(seenSpacer);
+}
+
+void tst_QGridLayout::itemAtPosition()
+{
+ void *table[4][5] = {
+ { w1, w3, w3, 0, 0 },
+ { 0, w2, w2, sp, 0 },
+ { 0, w2, w2, sp, 0 },
+ { 0, 0, 0, 0, 0 }
+ };
+
+ for (int row = 0; row < 4; ++row) {
+ for (int col = 0; col < 5; ++col) {
+ QLayoutItem *item = testLayout->itemAtPosition(row, col);
+ QVERIFY(item == table[row][col]
+ || (item && item->widget() == table[row][col]));
+ }
+ }
+}
+
+#include "ui_sortdialog.h"
+
+void tst_QGridLayout::badDistributionBug()
+{
+ QDialog dialog;
+ Ui::SortDialog ui;
+ ui.setupUi(&dialog);
+ ui.gridLayout->setMargin(0);
+ ui.gridLayout->setSpacing(0);
+ ui.vboxLayout->setMargin(0);
+ ui.vboxLayout->setSpacing(0);
+ ui.okButton->setFixedHeight(20);
+ ui.moreButton->setFixedHeight(20);
+ ui.primaryGroupBox->setAttribute(Qt::WA_LayoutUsesWidgetRect);
+ ui.primaryGroupBox->setFixedHeight(200);
+
+ QSize minSize = dialog.layout()->minimumSize();
+ QCOMPARE(minSize.height(), 200);
+}
+
+void tst_QGridLayout::setMinAndMaxSize()
+{
+ QWidget widget;
+ QGridLayout layout(&widget);
+ layout.setMargin(0);
+ layout.setSpacing(0);
+ layout.setSizeConstraint(QLayout::SetMinAndMaxSize);
+ widget.show();
+
+ QWidget leftChild;
+ leftChild.setPalette(QPalette(Qt::red));
+ leftChild.setMinimumSize(100, 100);
+ leftChild.setMaximumSize(200, 200);
+ layout.addWidget(&leftChild, 0, 0);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
+ QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
+
+ QWidget rightChild;
+ rightChild.setPalette(QPalette(Qt::green));
+ rightChild.setMinimumSize(100, 100);
+ rightChild.setMaximumSize(200, 200);
+ layout.addWidget(&rightChild, 0, 2);
+ QApplication::sendPostedEvents(0, 0);
+
+ QCOMPARE(widget.minimumWidth(),
+ leftChild.minimumWidth() + rightChild.minimumWidth());
+ QCOMPARE(widget.minimumHeight(),
+ qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
+ QCOMPARE(widget.maximumWidth(),
+ leftChild.maximumWidth() + rightChild.maximumWidth());
+ QCOMPARE(widget.maximumHeight(),
+ qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
+
+
+ static const int colMin = 100;
+ layout.setColumnMinimumWidth(1, colMin);
+ QCOMPARE(layout.columnMinimumWidth(1), colMin);
+
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumWidth(),
+ leftChild.minimumWidth() + rightChild.minimumWidth() + colMin);
+ QCOMPARE(widget.maximumWidth(),
+ leftChild.maximumWidth() + rightChild.maximumWidth() + colMin);
+ QCOMPARE(widget.minimumHeight(),
+ qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
+ QCOMPARE(widget.maximumHeight(),
+ qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
+
+
+
+ layout.setColumnStretch(1,1);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumWidth(),
+ leftChild.minimumWidth() + rightChild.minimumWidth() + colMin);
+ QCOMPARE(widget.maximumWidth(), QLAYOUTSIZE_MAX);
+ QCOMPARE(widget.minimumHeight(),
+ qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
+ QCOMPARE(widget.maximumHeight(),
+ qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
+
+
+
+ layout.setColumnStretch(1,0);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumWidth(),
+ leftChild.minimumWidth() + rightChild.minimumWidth() + colMin);
+ QCOMPARE(widget.maximumWidth(),
+ leftChild.maximumWidth() + rightChild.maximumWidth() + colMin);
+ QCOMPARE(widget.minimumHeight(),
+ qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
+ QCOMPARE(widget.maximumHeight(),
+ qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
+
+
+
+ layout.setColumnMinimumWidth(1, 0);
+
+ static const int spacerS = 250;
+ QSpacerItem *spacer = new QSpacerItem(spacerS, spacerS);
+ layout.addItem(spacer, 0, 1);
+ QApplication::sendPostedEvents(0, 0);
+
+ QCOMPARE(widget.minimumWidth(),
+ leftChild.minimumWidth() + rightChild.minimumWidth() + spacerS);
+ QCOMPARE(widget.maximumWidth(), QLAYOUTSIZE_MAX);
+ QCOMPARE(widget.minimumHeight(),
+ qMax(qMax(leftChild.minimumHeight(), rightChild.minimumHeight()), spacerS));
+ QCOMPARE(widget.maximumHeight(),
+ qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
+
+
+ spacer->changeSize(spacerS, spacerS, QSizePolicy::Fixed, QSizePolicy::Minimum);
+ layout.invalidate();
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumWidth(),
+ leftChild.minimumWidth() + rightChild.minimumWidth() + spacerS);
+ QCOMPARE(widget.maximumWidth(),
+ leftChild.maximumWidth() + rightChild.maximumWidth() + spacerS);
+
+
+ layout.removeItem(spacer);
+
+ rightChild.hide();
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
+ QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
+
+ rightChild.show();
+ layout.removeWidget(&rightChild);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
+ QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
+
+ QWidget bottomChild(&widget);
+ bottomChild.setPalette(QPalette(Qt::green));
+ bottomChild.setMinimumSize(100, 100);
+ bottomChild.setMaximumSize(200, 200);
+ layout.addWidget(&bottomChild, 1, 0);
+ QApplication::sendPostedEvents(0, 0);
+
+ QCOMPARE(widget.minimumHeight(),
+ leftChild.minimumHeight() + bottomChild.minimumHeight());
+ QCOMPARE(widget.minimumWidth(),
+ qMax(leftChild.minimumWidth(), bottomChild.minimumWidth()));
+ QCOMPARE(widget.maximumHeight(),
+ leftChild.maximumHeight() + bottomChild.maximumHeight());
+ QCOMPARE(widget.maximumWidth(),
+ qMax(leftChild.maximumWidth(), bottomChild.maximumWidth()));
+
+ bottomChild.hide();
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
+ QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
+
+ bottomChild.show();
+ layout.removeWidget(&bottomChild);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
+ QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
+}
+
+
+class SizeHinter : public QWidget
+{
+public:
+ SizeHinter(const QSize &s, QWidget *parent = 0)
+ : QWidget(parent), sh(s) { }
+ SizeHinter(int w, int h, QWidget *parent = 0)
+ : QWidget(parent), sh(QSize(w,h)) {}
+ void setSizeHint(QSize s) { sh = s; }
+ QSize sizeHint() const { return sh; }
+private:
+ QSize sh;
+};
+
+void tst_QGridLayout::spacingAndSpacers()
+{
+ QWidget widget;
+ QGridLayout layout(&widget);
+ layout.setMargin(0);
+ layout.setSpacing(0);
+ widget.show();
+
+ QSize expectedSizeHint;
+
+ SizeHinter leftChild(100,100);
+ leftChild.setPalette(QPalette(Qt::red));
+ layout.addWidget(&leftChild, 0, 0);
+ QApplication::sendPostedEvents(0, 0);
+ expectedSizeHint = leftChild.sizeHint();
+ QCOMPARE(widget.sizeHint(), expectedSizeHint);
+
+
+ SizeHinter rightChild(200,100);
+ rightChild.setPalette(QPalette(Qt::green));
+ layout.addWidget(&rightChild, 0, 2);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(rightChild.sizeHint(), QSize(200,100));
+
+ expectedSizeHint += QSize(rightChild.sizeHint().width(), 0);
+ QCOMPARE(widget.sizeHint(), expectedSizeHint);
+
+ layout.setColumnMinimumWidth(1, 100);
+ widget.adjustSize();
+ expectedSizeHint += QSize(100,0);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.sizeHint(), expectedSizeHint);
+
+ rightChild.hide();
+ QApplication::sendPostedEvents(0, 0);
+ expectedSizeHint -= QSize(rightChild.sizeHint().width(), 0);
+ QCOMPARE(widget.sizeHint(), expectedSizeHint);
+
+
+ layout.setColumnMinimumWidth(1, 0);
+ expectedSizeHint -= QSize(100, 0);
+ QCOMPARE(widget.sizeHint(), expectedSizeHint);
+
+ rightChild.show();
+
+#if 0
+ leftChild.setMaximumWidth(200);
+ rightChild.setMaximumWidth(200);
+
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.maximumWidth(), leftChild.maximumWidth() + rightChild.maximumWidth());
+#endif
+
+ layout.removeWidget(&rightChild);
+ QApplication::sendPostedEvents(0, 0);
+ QCOMPARE(widget.sizeHint(), expectedSizeHint);
+
+
+}
+
+
+class Qt42Style : public QWindowsStyle
+{
+ Q_OBJECT
+public:
+ Qt42Style() : QWindowsStyle()
+ {
+ spacing = 6;
+ margin = 9;
+ margin_toplevel = 11;
+ }
+
+ virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
+ const QWidget * widget = 0 ) const;
+
+ int spacing;
+ int margin;
+ int margin_toplevel;
+
+};
+
+int Qt42Style::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
+ const QWidget * widget /*= 0*/ ) const
+{
+ switch (metric) {
+ case PM_DefaultLayoutSpacing:
+ return spacing;
+ break;
+ case PM_DefaultTopLevelMargin:
+ return margin_toplevel;
+ break;
+ case PM_DefaultChildMargin:
+ return margin;
+ break;
+ default:
+ break;
+ }
+ return QWindowsStyle::pixelMetric(metric, option, widget);
+}
+
+
+typedef QList<QPoint> PointList;
+Q_DECLARE_METATYPE(PointList)
+
+
+class SizeHinterFrame : public QLabel
+{
+public:
+ SizeHinterFrame(QWidget *parent = 0)
+ : QLabel(parent)
+ {
+ init(-1);
+ }
+
+ SizeHinterFrame(const QSize &s, int numPixels = -1)
+ : QLabel(0), sh(s) {
+ init(numPixels);
+ }
+
+
+ SizeHinterFrame(int w, int h)
+ : QLabel(0), sh(QSize(w,h))
+ {
+ init(-1);
+ }
+
+ void setSizeHint(const QSize &s) { sh = s; }
+ QSize sizeHint() const { return sh; }
+ void setMinimumSizeHint(const QSize &s) { msh = s; }
+ QSize minimumSizeHint() const { return msh; }
+
+ virtual int heightForWidth(int width) const;
+
+ void setNumberOfPixels(int numPixels) {
+ m_numPixels = numPixels;
+ QSizePolicy sp = sizePolicy();
+ sp.setHeightForWidth(m_numPixels != -1);
+ setSizePolicy(sp);
+ }
+private:
+ void init(int numPixels = -1){
+ setText(QString::fromAscii("(%1,%2)").arg(sh.width()).arg(sh.height()));
+ setFrameStyle(QFrame::Box | QFrame::Plain);
+ setNumberOfPixels(numPixels);
+ }
+private:
+ QSize sh;
+ QSize msh;
+ int m_numPixels;
+};
+
+int SizeHinterFrame::heightForWidth(int width) const
+{
+ // Special hack if m_numPixels == -2 then we report that we are heightForWidth aware, but we
+ // return sizeHint().width() so that it should be laid out as if we had't any hfw.
+ // This enables us to run the tests twice and to see if we get the same results with hfw as without hfw.
+ if (m_numPixels == -2) {
+ return sizeHint().height();
+ }
+ if (m_numPixels == -1 || width == 0) return -1;
+ // this widget should always cover the same amount of pixels (provided that we don't get any rounding errors)
+ return (m_numPixels)/width;
+}
+
+void tst_QGridLayout::spacingsAndMargins_data()
+{
+ // input
+ QTest::addColumn<int>("columns");
+ QTest::addColumn<int>("rows");
+ QTest::addColumn<QSize>("sizehint");
+ // expected
+ QTest::addColumn<PointList>("expectedpositions");
+
+ int child_offset_y = 11 + 100 + 6 + 9 ;
+ QTest::newRow("1x1 grid") << 1 << 1 << QSize(100, 100)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ // children
+ << QPoint( 20, child_offset_y)
+ );
+
+ QTest::newRow("2x1 grid") << 2 << 1 << QSize(100, 100)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ << QPoint( 11 + 100 + 6, 11)
+ // children
+ << QPoint( 20, child_offset_y)
+ << QPoint( 20 + 100 + 6, child_offset_y)
+ );
+
+ QTest::newRow("3x1 grid") << 3 << 1 << QSize(100, 100)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ << QPoint( 11 + 100 + 6, 11)
+ << QPoint( 11 + 100 + 6 + 100 + 6, 11)
+ // children
+ << QPoint( 20, child_offset_y)
+ << QPoint( 20 + 100 + 6, child_offset_y)
+ << QPoint( 20 + 100 + 6 + 100 + 6, child_offset_y)
+ );
+
+ child_offset_y = 11 + 9 + 100 + 6 + 100 + 6;
+ QTest::newRow("1x2 grid") << 1 << 2 << QSize(100, 100)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ << QPoint( 11, 11 + 100 + 6)
+ // children
+ << QPoint( 20, child_offset_y)
+ << QPoint( 20, child_offset_y + 100 + 6)
+ );
+#if defined (Q_OS_WINCE) //There is not enough screenspace to run the test in original size on Windows CE. We use smaller widgets.
+ child_offset_y = 11 + 9 + 50 + 6 + 50 + 6 + 50 + 6;
+ QTest::newRow("1x3 grid") << 1 << 3 << QSize(50, 50)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ << QPoint( 11, 11 + 50 + 6)
+ << QPoint( 11, 11 + 50 + 6 + 50 + 6)
+ // children
+ << QPoint( 20, child_offset_y)
+ << QPoint( 20, child_offset_y + 50 + 6)
+ << QPoint( 20, child_offset_y + 50 + 6 + 50 + 6)
+ );
+#else
+ child_offset_y = 11 + 9 + 100 + 6 + 100 + 6 + 100 + 6;
+ QTest::newRow("1x3 grid") << 1 << 3 << QSize(100, 100)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ << QPoint( 11, 11 + 100 + 6)
+ << QPoint( 11, 11 + 100 + 6 + 100 + 6)
+ // children
+ << QPoint( 20, child_offset_y)
+ << QPoint( 20, child_offset_y + 100 + 6)
+ << QPoint( 20, child_offset_y + 100 + 6 + 100 + 6)
+ );
+#endif
+
+ child_offset_y = 11 + 9 + 100 + 6 + 100 + 6;
+ QTest::newRow("2x2 grid") << 2 << 2 << QSize(100, 100)
+ << (PointList() // toplevel
+ << QPoint( 11, 11)
+ << QPoint( 11 + 100 + 6, 11)
+ << QPoint( 11, 11 + 100 + 6)
+ << QPoint( 11 + 100 + 6, 11 + 100 + 6)
+ // children
+ << QPoint( 20, child_offset_y)
+ << QPoint( 20 + 100 + 6, child_offset_y)
+ << QPoint( 20, child_offset_y + 100 + 6)
+ << QPoint( 20 + 100 + 6, child_offset_y + 100 + 6)
+ );
+}
+
+void tst_QGridLayout::spacingsAndMargins()
+{
+/*
+ The test tests a gridlayout as a child of a top-level widget,
+ and then a gridlayout as a child of a non-toplevel widget.
+
+ The expectedpositions should then contain the list of widget positions in the
+ first gridlayout, then followed by a list of widget positions in the second gridlayout.
+*/
+ QFETCH(int, columns);
+ QFETCH(int, rows);
+ QFETCH(QSize, sizehint);
+ QFETCH(PointList, expectedpositions);
+
+
+ QApplication::setStyle(new Qt42Style);
+ QWidget toplevel;
+ if(PlatformQuirks::isAutoMaximizing())
+ toplevel.setWindowFlags(Qt::X11BypassWindowManagerHint);
+ QVBoxLayout vbox(&toplevel);
+ QGridLayout grid1;
+ vbox.addLayout(&grid1);
+
+ // a layout with a top-level parent widget
+ QList<QPointer<SizeHinterFrame> > sizehinters;
+ for (int i = 0; i < rows; ++i) {
+ for (int j = 0; j < columns; ++j) {
+ SizeHinterFrame *sh = new SizeHinterFrame(sizehint);
+ sh->setMinimumSizeHint(sizehint);
+ sizehinters.append(sh);
+ grid1.addWidget(sh, i, j);
+ }
+ }
+
+ // Add the child widget
+ QWidget widget;
+ vbox.addWidget(&widget);
+ QGridLayout grid2;
+ widget.setLayout(&grid2);
+ // add a layout to the child widget
+ for (int i = 0; i < rows; ++i) {
+ for (int j = 0; j < columns; ++j) {
+ SizeHinterFrame *sh = new SizeHinterFrame(sizehint);
+ sh->setMinimumSizeHint(sizehint);
+ sizehinters.append(sh);
+ grid2.addWidget(sh, i, j);
+ }
+ }
+
+ grid1.setColumnStretch(columns-1, 1);
+ grid1.setRowStretch(rows-1, 1);
+ toplevel.show();
+ toplevel.adjustSize();
+ QApplication::processEvents();
+ QTest::qWaitForWindowShown(&toplevel);
+
+ QSize topsize = toplevel.size();
+ QSize minimumsize = vbox.totalMinimumSize();
+
+#if defined(Q_WS_QWS)
+ if (topsize.width() < minimumsize.width() || topsize.height() < minimumsize.height())
+ QSKIP("The screen is too small to run this test case", SkipSingle);
+#endif
+
+// We are relying on the order here...
+ for (int pi = 0; pi < sizehinters.count(); ++pi) {
+ QPoint pt = sizehinters.at(pi)->mapTo(&toplevel, QPoint(0, 0));
+ QCOMPARE(pt, expectedpositions.at(pi));
+ }
+}
+
+
+
+
+struct SizeInfo {
+ SizeInfo(const QPoint &expected, const QSize &sh, const QSize &minimumSize = QSize(),
+ const QSize &maximumSize = QSize(), int numPixelsToCover = -1)
+ {
+ expectedPos = expected;
+ sizeHint = sh;
+ minSize = minimumSize;
+ maxSize = maximumSize;
+ hfwNumPixels = numPixelsToCover;
+ }
+
+ SizeInfo(const QRect &expected, const QSize &sh, const QSize &minimumSize = QSize(),
+ const QSize &maximumSize = QSize(), int numPixelsToCover = -1)
+ {
+ expectedPos = expected.topLeft();
+ expectedSize = expected.size();
+ sizeHint = sh;
+ minSize = minimumSize;
+ maxSize = maximumSize;
+ hfwNumPixels = numPixelsToCover;
+ }
+ SizeInfo(const SizeInfo& other) {
+ (*this)=other;
+ }
+
+ SizeInfo &operator=(const SizeInfo& other) {
+ expectedPos = other.expectedPos;
+ expectedSize = other.expectedSize;
+ sizeHint = other.sizeHint;
+ minSize = other.minSize;
+ maxSize = other.maxSize;
+ hfwNumPixels = other.hfwNumPixels;
+ return (*this);
+ }
+
+ QPoint expectedPos;
+ QSize expectedSize;
+ QSize sizeHint;
+ QSize minSize;
+ QSize maxSize;
+ int hfwNumPixels;
+};
+
+
+typedef QList<SizeInfo> SizeInfoList;
+Q_DECLARE_METATYPE(SizeInfoList)
+
+
+void tst_QGridLayout::minMaxSize_data()
+{
+ // input
+ QTest::addColumn<QString>("stylename");
+ QTest::addColumn<int>("columns");
+ QTest::addColumn<int>("rows");
+ QTest::addColumn<int>("sizePolicy");
+ QTest::addColumn<QSize>("fixedSize");
+ //input and expected output
+ QTest::addColumn<SizeInfoList>("sizeinfos");
+
+ QTest::newRow("3x1 grid, extend to minimumSize") << QString() << 3 << 1
+ << int(QSizePolicy::Minimum) << QSize(152, 50) << (SizeInfoList()
+ << SizeInfo(QRect(10, 10, 43, 30), QSize( 75, 75), QSize(0,0))
+ << SizeInfo(QRect(10 + 45, 10, 43, 30), QSize(75, 75), QSize( 0, 0))
+ << SizeInfo(QRect(10 + 45 + 44, 10, 42, 30), QSize(75, 75), QSize( 0, 0))
+ );
+
+ QTest::newRow("1x1 grid, extend to minimumSize") << QString() << 1 << 1
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
+ );
+ QTest::newRow("2x1 grid, extend to minimumSize") << QString() << 2 << 1
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
+ << SizeInfo(QPoint(10 + 100 + 1, 10), QSize( 90, 90))
+ );
+ QTest::newRow("1x2 grid, extend to minimumSize") << QString() << 1 << 2
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
+ << SizeInfo(QPoint(10, 10 + 100 + 1), QSize( 90, 90))
+ );
+ QTest::newRow("2x1 grid, crop to maximumSize") << QString() << 2 << 1
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(10, 10), QSize(110,110), QSize(), QSize(100, 100))
+ << SizeInfo(QPoint(10 + 100 + 1, 10), QSize( 90, 90))
+ );
+ QTest::newRow("1x2 grid, crop to maximumSize") << QString() << 1 << 2
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(10, 10), QSize(110,110), QSize(), QSize(100, 100))
+ << SizeInfo(QPoint(10, 10 + 100 + 1), QSize( 90, 90))
+ );
+ QTest::newRow("1x3 grid, heightForWidth") << QString() << 1 << 3
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(10, 10), QSize(), QSize(200,100), QSize())
+ << SizeInfo(QPoint(10, 10 + 100 + 1), QSize(100,100), QSize(), QSize(), 100*100)
+ << SizeInfo(QPoint(10, 10 + 100 + 1 + 50 + 1), QSize(100,100), QSize(), QSize(100, 100))
+ );
+ QTest::newRow("2x1 grid, extend to minimumSize") << QString::fromAscii("motif") << 2 << 1
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(11, 11), QSize( 90, 90), QSize(100,100))
+ << SizeInfo(QPoint(11 + 100 + 6, 11), QSize( 90, 90))
+ );
+ QTest::newRow("2x1 grid, extend to minimumSize") << QString::fromAscii("windows") << 2 << 1
+ << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
+ << SizeInfo(QPoint(11, 11), QSize( 90, 90), QSize(100,100))
+ << SizeInfo(QPoint(11 + 100 + 6, 11), QSize( 90, 90))
+ );
+
+}
+
+void tst_QGridLayout::minMaxSize()
+{
+/*
+ The test tests a gridlayout as a child of a top-level widget
+*/
+ // input
+ QFETCH(QString, stylename);
+ QFETCH(int, columns);
+ QFETCH(int, rows);
+ QFETCH(int, sizePolicy);
+ QFETCH(QSize, fixedSize);
+ //input and expected output
+ QFETCH(SizeInfoList, sizeinfos);
+
+ QStyle *style = 0;
+ if (stylename.isEmpty()) {
+ Qt42Style *s = new Qt42Style;
+ s->margin_toplevel = 10;
+ s->margin = 5;
+ s->spacing = 1;
+ style = static_cast<QStyle *>(s);
+ }else{
+ style = QStyleFactory::create(stylename);
+ if (!style) {
+ QSKIP( qPrintable(QString::fromLatin1("Qt has been compiled without style: %1").arg(stylename)), SkipSingle);
+ }
+ }
+ QApplication::setStyle(style);
+ if (!m_grid)
+ m_grid = new QGridLayout();
+ if (!m_toplevel)
+ m_toplevel = new QWidget();
+ if (fixedSize.isValid()) {
+ m_toplevel->setFixedSize(fixedSize);
+ } else {
+ m_toplevel->setMinimumSize(QSize(0,0));
+ m_toplevel->setMaximumSize(QSize(QWIDGETSIZE_MAX,QWIDGETSIZE_MAX));
+ }
+ // Do a two-pass one using the real testdata, the other pass enables heightForWidth
+ // on the widget, but the heightForWidth() function just return sizeHint().width()
+ for (int pass = 0; pass < 2; ++pass) {
+ m_toplevel->hide();
+ QApplication::processEvents();
+ QTest::qWait(20);
+ // Test if removeItem uninitializes data properly
+ while (m_grid->count()) {
+ QLayoutItem *item = m_grid->itemAt(0);
+ m_grid->removeItem(item);
+ delete item->widget();
+ delete item;
+ }
+ m_toplevel->setLayout(m_grid);
+
+ // a layout with a top-level parent widget
+ QList<QPointer<SizeHinterFrame> > sizehinters;
+ for (int i = 0; i < rows; ++i) {
+ for (int j = 0; j < columns; ++j) {
+ SizeInfo si = sizeinfos.at(sizehinters.count());
+ int numpixels = si.hfwNumPixels;
+ if (pass == 1 && numpixels == -1)
+ numpixels = -2; //### yuk, (and don't fake it if it already tests sizehint)
+ SizeHinterFrame *sh = new SizeHinterFrame(si.sizeHint, numpixels);
+ QSizePolicy sp = sh->sizePolicy();
+ sp.setHorizontalPolicy((QSizePolicy::Policy)sizePolicy);
+ sh->setSizePolicy(sp);
+ sh->setParent(m_toplevel);
+ if (si.minSize.isValid())
+ sh->setMinimumSize(si.minSize);
+ if (si.maxSize.isValid())
+ sh->setMaximumSize(si.maxSize);
+ sizehinters.append(sh);
+ m_grid->addWidget(sh, i, j);
+ }
+ }
+
+ m_toplevel->show();
+#if defined(Q_WS_X11)
+ qt_x11_wait_for_window_manager(m_toplevel); // wait for the show
+#endif
+ QTest::qWait(40);
+ m_toplevel->adjustSize();
+ QTest::qWait(240); // wait for the implicit adjustSize
+ // If the following fails we might have to wait longer.
+ // If that does not help there is likely a problem with the implicit adjustSize in show()
+ if (!fixedSize.isValid()) {
+ // Note that this can fail if the desktop has large fonts on windows.
+ QTRY_COMPARE(m_toplevel->size(), m_toplevel->sizeHint());
+ }
+ // We are relying on the order here...
+ for (int pi = 0; pi < sizehinters.count(); ++pi) {
+ QPoint pt = sizehinters.at(pi)->mapTo(m_toplevel, QPoint(0, 0));
+ QCOMPARE(pt, sizeinfos.at(pi).expectedPos);
+ }
+ }
+}
+
+
+class CustomLayoutStyle : public QWindowsStyle
+{
+ Q_OBJECT
+public:
+ CustomLayoutStyle() : QWindowsStyle()
+ {
+ hspacing = 5;
+ vspacing = 10;
+ reimplementSubelementRect = false;
+ }
+
+ virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
+ const QWidget * widget = 0 ) const;
+ virtual QRect subElementRect(SubElement sr, const QStyleOption *opt,
+ const QWidget *widget) const;
+
+ int hspacing;
+ int vspacing;
+ bool reimplementSubelementRect;
+
+protected slots:
+ int layoutSpacingImplementation(QSizePolicy::ControlType control1,
+ QSizePolicy::ControlType control2,
+ Qt::Orientation orientation,
+ const QStyleOption *option = 0,
+ const QWidget *widget = 0) const;
+
+};
+
+QRect CustomLayoutStyle::subElementRect(SubElement sr, const QStyleOption *opt,
+ const QWidget *widget) const
+{
+ QRect rect;
+ if (reimplementSubelementRect) {
+ switch (sr) {
+ case SE_FrameLayoutItem:
+ rect = opt->rect;
+ rect.adjust(+4, +9, -4, 0); // The hspacing=5 and vspacing=10, so we keep it safe.
+ break;
+ case SE_GroupBoxLayoutItem:
+ rect = opt->rect.adjusted(0, +10, 0, 0);
+ break;
+ default:
+ break;
+ }
+ }
+ if (rect.isNull())
+ rect = QWindowsStyle::subElementRect(sr, opt, widget);
+ return rect;
+}
+
+#define CT1(c) CT2(c, c)
+#define CT2(c1, c2) ((uint)c1 << 16) | (uint)c2
+
+int CustomLayoutStyle::layoutSpacingImplementation(QSizePolicy::ControlType control1,
+ QSizePolicy::ControlType control2,
+ Qt::Orientation orientation,
+ const QStyleOption * /*option = 0*/,
+ const QWidget * /*widget = 0*/) const
+{
+ if (orientation == Qt::Horizontal) {
+ switch (CT2(control1, control2)) {
+ case CT1(QSizePolicy::PushButton):
+ return 2;
+ break;
+ }
+ return 5;
+ } else {
+ switch (CT2(control1, control2)) {
+ case CT1(QSizePolicy::RadioButton):
+ return 2;
+ break;
+
+ }
+ return 10;
+ }
+}
+
+int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
+ const QWidget * widget /*= 0*/ ) const
+{
+ switch (metric) {
+ case PM_LayoutLeftMargin:
+ return 0;
+ break;
+ case PM_LayoutTopMargin:
+ return 3;
+ break;
+ case PM_LayoutRightMargin:
+ return 6;
+ break;
+ case PM_LayoutBottomMargin:
+ return 9;
+ break;
+ case PM_LayoutHorizontalSpacing:
+ return hspacing;
+ case PM_LayoutVerticalSpacing:
+ return vspacing;
+ break;
+ default:
+ break;
+ }
+ return QWindowsStyle::pixelMetric(metric, option, widget);
+}
+
+void tst_QGridLayout::styleDependentSpacingsAndMargins_data()
+{
+ // input
+ QTest::addColumn<int>("columns");
+ QTest::addColumn<int>("rows");
+ QTest::addColumn<QSize>("sizehint");
+ // expected
+ QTest::addColumn<PointList>("expectedpositions");
+
+ QTest::newRow("1x1 grid") << 1 << 1 << QSize(100, 100)
+ << (PointList() << QPoint(0, 3) );
+ QTest::newRow("2x1 grid") << 2 << 1 << QSize(100, 100)
+ << (PointList() << QPoint(0, 3)
+ << QPoint(0+100+5, 3));
+ QTest::newRow("3x1 grid") << 3 << 1 << QSize(100, 100)
+ << (PointList() << QPoint(0, 3)
+ << QPoint(0+100+5, 3)
+ << QPoint(0 + 2*105, 3));
+ QTest::newRow("1x2 grid") << 1 << 2 << QSize(100, 100)
+ << (PointList() << QPoint(0, 3)
+ << QPoint(0, 3+100+10));
+ QTest::newRow("1x3 grid") << 1 << 3 << QSize(100, 100)
+ << (PointList() << QPoint(0, 3)
+ << QPoint(0, 3+100+10)
+ << QPoint(0, 3+2*110));
+ QTest::newRow("2x2 grid") << 2 << 2 << QSize(100, 100)
+ << (PointList() << QPoint(0, 3) << QPoint(0+100+5, 3)
+ << QPoint(0, 3+100+10) << QPoint(0+100+5, 3+100+10));
+}
+
+
+void tst_QGridLayout::styleDependentSpacingsAndMargins()
+{
+ QFETCH(int, columns);
+ QFETCH(int, rows);
+ QFETCH(QSize, sizehint);
+ QFETCH(PointList, expectedpositions);
+
+ QApplication::setStyle(new CustomLayoutStyle());
+ QWidget widget;
+ QGridLayout layout(&widget);
+ QList<QPointer<SizeHinterFrame> > sizehinters;
+ for (int i = 0; i < rows; ++i) {
+ for (int j = 0; j < columns; ++j) {
+ SizeHinterFrame *sh = new SizeHinterFrame(sizehint);
+ sh->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
+ sh->setParent(&widget);
+ sizehinters.append(sh);
+ layout.addWidget(sh, i, j);
+ }
+ }
+ layout.setColumnStretch(columns, 1);
+ layout.setRowStretch(rows, 1);
+ widget.show();
+ widget.adjustSize();
+ QApplication::processEvents();
+
+ for (int pi = 0; pi < expectedpositions.count(); ++pi) {
+ QCOMPARE(sizehinters.at(pi)->pos(), expectedpositions.at(pi));
+ }
+}
+
+void tst_QGridLayout::layoutSpacingImplementation_data()
+{
+ QTest::addColumn<QWidget*>("widget");
+ // expected
+ QTest::addColumn<PointList>("expectedpositions");
+ QTest::addColumn<int>("hSpacing");
+ QTest::addColumn<int>("vSpacing");
+ QTest::addColumn<bool>("customSubElementRect");
+
+ CustomLayoutStyle *style = new CustomLayoutStyle();
+ {
+ // If the layoutSpacing is negative, the layouting code will call
+ // layoutSpacingImplementation()
+ style->hspacing = -1;
+ style->vspacing = -1;
+ style->reimplementSubelementRect = false;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QVBoxLayout *layout = new QVBoxLayout();
+ QRadioButton *rb1 = new QRadioButton(QLatin1String("Radio 1"), w);
+ QRadioButton *rb2 = new QRadioButton(QLatin1String("Radio 2"), w);
+ QRadioButton *rb3 = new QRadioButton(QLatin1String("Radio 3"), w);
+ layout->addWidget(rb1, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(rb2, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(rb3, 0, Qt::AlignTop | Qt::AlignLeft);
+
+ QPushButton *b1 = new QPushButton(QLatin1String("Push 1"), w);
+ QPushButton *b2 = new QPushButton(QLatin1String("Push 2"), w);
+ QPushButton *b3 = new QPushButton(QLatin1String("Push 3"), w);
+ layout->addWidget(b1, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(b2, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(b3, 0, Qt::AlignTop | Qt::AlignLeft);
+
+ layout->addStretch(1);
+ w->setLayout(layout);
+ int rh = rb1->sizeHint().height();
+ int ph = b1->sizeHint().height();
+ QTest::newRow("1x6, radio + push buttons")
+ << w << (PointList()
+ << QPoint(0, 3)
+ << QPoint(0, 3 + rh + 2)
+ << QPoint(0, 3 + 2*(rh + 2))
+ << QPoint(0, 3 + 2*(rh + 2) + (rh + 10))
+ << QPoint(0, 3 + 2*(rh + 2) + (rh + 10 + ph + 10))
+ << QPoint(0, 3 + 2*(rh + 2) + rh + 10 + 2*(ph + 10)))
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+ {
+ style->hspacing = -1;
+ style->vspacing = -1;
+ style->reimplementSubelementRect = false;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QHBoxLayout *layout = new QHBoxLayout();
+ QLineEdit *le1 = new QLineEdit(w);
+ QLineEdit *le2 = new QLineEdit(w);
+ QLineEdit *le3 = new QLineEdit(w);
+ layout->addWidget(le1, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(le2, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(le3, 0, Qt::AlignTop | Qt::AlignLeft);
+
+ QPushButton *b1 = new QPushButton(QLatin1String("Push 1"), w);
+ QPushButton *b2 = new QPushButton(QLatin1String("Push 2"), w);
+ QPushButton *b3 = new QPushButton(QLatin1String("Push 3"), w);
+ layout->addWidget(b1, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(b2, 0, Qt::AlignTop | Qt::AlignLeft);
+ layout->addWidget(b3, 0, Qt::AlignTop | Qt::AlignLeft);
+
+ layout->addStretch(1);
+ w->setLayout(layout);
+ int lw = le1->sizeHint().width();
+ int pw = b1->sizeHint().width();
+ QTest::newRow("6x1, line edit + push buttons")
+ << w << (PointList()
+ << QPoint(0, 3)
+ << QPoint(0 + lw + 5, 3)
+ << QPoint(0 + 2*(lw + 5), 3)
+ << QPoint(0 + 3*(lw + 5), 3)
+ << QPoint(0 + 3*(lw + 5) + 1*(pw + 2), 3)
+ << QPoint(0 + 3*(lw + 5) + 2*(pw + 2), 3))
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+
+ {
+ style->hspacing = 5;
+ style->vspacing = 10;
+ style->reimplementSubelementRect = true;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QVBoxLayout *layout = new QVBoxLayout();
+ QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
+
+ QGroupBox *g1 = new QGroupBox(QLatin1String("GroupBox 1"), w);
+
+ QRadioButton *rb = new QRadioButton(QLatin1String("Radio 1"), g1);
+ QVBoxLayout *g1layout = new QVBoxLayout();
+ g1layout->addWidget(rb);
+ g1->setLayout(g1layout);
+
+ QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
+
+ layout->addWidget(pb1);
+ layout->addWidget(g1 );
+ layout->addWidget(pb3);
+
+ w->setLayout(layout);
+ QSize psh = pb1->sizeHint();
+ QSize gsh = g1->sizeHint();
+
+ QTest::newRow("subElementRect1")
+ << w << (PointList()
+ << QPoint(0, 3)
+ << QPoint(0, 3 + psh.height() + 10 - 10)
+ << QPoint(0, 3 + psh.height() + 10 - 10 + gsh.height() + 10)
+ )
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+
+ {
+ style->hspacing = 5;
+ style->vspacing = 10;
+ style->reimplementSubelementRect = true;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QGridLayout *layout = new QGridLayout();
+ QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
+ QPushButton *pb2 = new QPushButton(QLatin1String("Push 2"), w);
+ QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
+ QPushButton *pb4 = new QPushButton(QLatin1String("Push 4"), w);
+
+ layout->addWidget(pb1, 0, 0);
+ layout->addWidget(pb2, 0, 1);
+ layout->addWidget(pb3, 0, 2);
+ layout->addWidget(pb4, 1, 0, Qt::AlignTop);
+
+
+ QFrame *f1 = new QFrame(w);
+ f1->setFrameStyle(QFrame::Box | QFrame::Plain);
+ f1->setMinimumSize(100, 20);
+ f1->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+
+ layout->addWidget(f1, 1, 1, Qt::AlignTop);
+
+
+ QPushButton *pb6 = new QPushButton(QLatin1String("Push 6"), w);
+ QPushButton *pb7 = new QPushButton(QLatin1String("Push 7"), w);
+ QPushButton *pb8 = new QPushButton(QLatin1String("Push 8"), w);
+ QPushButton *pb9 = new QPushButton(QLatin1String("Push 9"), w);
+ layout->addWidget(pb6, 1, 2, Qt::AlignTop);
+ layout->addWidget(pb7, 2, 0, Qt::AlignTop);
+ layout->addWidget(pb8, 2, 1, Qt::AlignTop);
+ layout->addWidget(pb9, 2, 2, Qt::AlignTop);
+
+ layout->setColumnStretch(2, 1);
+ layout->setRowStretch(2, 1);
+ w->setLayout(layout);
+ int c[3];
+ c[0] = pb1->sizeHint().width();
+ c[1] = f1->minimumSize().width() - 2*4;
+ c[2] = pb3->sizeHint().width();
+
+ int r[3];
+ r[0] = pb1->sizeHint().height();
+ r[1] = pb4->sizeHint().height();
+ r[2] = pb7->sizeHint().height();
+
+
+ QTest::newRow("subElementRect2")
+ << w << (PointList()
+ << QPoint(0, 3)
+ << QPoint(0 + c[0] + 5, 3)
+ << QPoint(0 + c[0] + 5 + c[1] + 5, 3)
+
+ << QPoint(0, 3 + r[0] + 10)
+ << QPoint(0 + c[0] + 5 - 4, 3 + r[0] + 10 - 9)
+ << QPoint(0 + c[0] + 5 + c[1] + 5, 3 + r[0] + 10)
+
+ << QPoint(0, 3 + r[0] + 10 + r[1] + 10)
+ << QPoint(0 + c[0] + 5, 3 + r[0] + 10 + r[1] + 10)
+ << QPoint(0 + c[0] + 5 + c[1] + 5, 3 + r[0] + 10 + r[1] + 10)
+
+ )
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+ {
+ style->hspacing = 5;
+ style->vspacing = 10;
+ style->reimplementSubelementRect = true;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QVBoxLayout *layout = new QVBoxLayout();
+ QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
+
+ QGroupBox *g1 = new QGroupBox(QLatin1String("GroupBox 1"), w);
+
+ QRadioButton *rb = new QRadioButton(QLatin1String("Radio 1"), g1);
+ QVBoxLayout *g1layout = new QVBoxLayout();
+ g1layout->addWidget(rb);
+ g1->setLayout(g1layout);
+
+ QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
+
+ pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect, true);
+ g1->setAttribute(Qt::WA_LayoutUsesWidgetRect, true);
+ pb3->setAttribute(Qt::WA_LayoutUsesWidgetRect, true);
+ layout->addWidget(pb1);
+ layout->addWidget(g1 );
+ layout->addWidget(pb3);
+
+ w->setLayout(layout);
+ QSize psh = pb1->sizeHint();
+ QSize gsh = g1->sizeHint();
+
+ QTest::newRow("subElementRect1, use widgetRect")
+ << w << (PointList()
+ << QPoint(0, 3)
+ << QPoint(0, 3 + psh.height() + 10)
+ << QPoint(0, 3 + psh.height() + 10 + gsh.height() + 10)
+ )
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+
+ {
+ style->hspacing = 5;
+ style->vspacing = 10;
+ style->reimplementSubelementRect = true;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QVBoxLayout *layout = new QVBoxLayout();
+ QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
+
+ QGroupBox *g1 = new QGroupBox(QLatin1String("GroupBox 1"), w);
+
+ QRadioButton *rb = new QRadioButton(QLatin1String("Radio 1"), g1);
+ QVBoxLayout *g1layout = new QVBoxLayout();
+ g1layout->addWidget(rb);
+ g1->setLayout(g1layout);
+
+ QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
+
+ pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect, false);
+ g1->setAttribute(Qt::WA_LayoutUsesWidgetRect, false);
+ pb3->setAttribute(Qt::WA_LayoutUsesWidgetRect, false);
+ layout->addWidget(pb1);
+ layout->addWidget(g1 );
+ layout->addWidget(pb3);
+
+ w->setLayout(layout);
+ QSize psh = pb1->sizeHint();
+ QSize gsh = g1->sizeHint();
+
+ QTest::newRow("subElementRect1, use layoutItemRect")
+ << w << (PointList()
+ << QPoint(0, 3)
+ << QPoint(0, 3 + psh.height() + 10 - 10)
+ << QPoint(0, 3 + psh.height() + 10 - 10 + gsh.height() + 10)
+ )
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+
+ {
+ /* A 3x4 gridlayout, modified arrowpad example:
+ * [PB]
+ * [PB] [PB]
+ * |PB|
+ * | |
+ * | |
+ *
+ * Here the bottom pushbutton has a span
+ */
+ style->hspacing = -1;
+ style->vspacing = -1;
+ style->reimplementSubelementRect = false;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QGridLayout *layout = new QGridLayout();
+ QPushButton *left = new QPushButton(w);
+ QPushButton *up = new QPushButton(w);
+ QPushButton *right = new QPushButton(w);
+ QPushButton *down = new QPushButton(w);
+
+ layout->addWidget(up, 0, 1);
+ layout->addWidget(left, 1, 0);
+ layout->addWidget(right, 1, 2);
+ layout->addWidget(down, 2, 1, 3, 1);
+
+ w->setLayout(layout);
+ int pw = up->sizeHint().width();
+ int ph = up->sizeHint().height();
+ QTest::newRow("arrowpad with span")
+ << w << (PointList()
+ << QPoint(0 + pw + 5, 3)
+ << QPoint(0, 3 + ph + 10)
+ << QPoint(0 + pw + 5 + pw + 5, 3 + ph + 10)
+ << QPoint(0 + pw + 5, 3 + ph + 10 + ph + 10)
+ )
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+
+
+ for (int yoff = 0; yoff < 5; ++yoff)
+ {
+ for (int xoff = 0; xoff < 5; ++xoff) {
+ /* A 3x4 gridlayout, modified arrowpad example:
+ * [empty cells]
+ * [PB]
+ * [PB] [PB]
+ * [PB]
+ *
+ * It has 0-4 empty rows at the top and 0-4 empty columns to the left.
+ */
+ style->hspacing = -1;
+ style->vspacing = -1;
+ style->reimplementSubelementRect = false;
+ QApplication::setStyle(style);
+ QWidget *w = new QWidget();
+ QGridLayout *layout = new QGridLayout();
+ QPushButton *left = new QPushButton(w);
+ QPushButton *up = new QPushButton(w);
+ QPushButton *right = new QPushButton(w);
+ QPushButton *down = new QPushButton(w);
+
+ layout->addWidget(up, yoff + 0, xoff + 1);
+ layout->addWidget(left, yoff + 1, xoff + 0);
+ layout->addWidget(right, yoff + 1, xoff + 2);
+ layout->addWidget(down, yoff + 2, xoff + 1, 3, 1);
+
+ w->setLayout(layout);
+ int pw = up->sizeHint().width();
+ int ph = up->sizeHint().height();
+ QByteArray testName = QString::fromAscii("arrowpad with %1 empty rows, %2 empty columns").arg(yoff).arg(xoff).toLatin1();
+ QTest::newRow(testName.data())
+ << w << (PointList()
+ << QPoint(0 + pw + 5, 3)
+ << QPoint(0, 3 + ph + 10)
+ << QPoint(0 + pw + 5 + pw + 5, 3 + ph + 10)
+ << QPoint(0 + pw + 5, 3 + ph + 10 + ph + 10)
+ )
+ << style->hspacing << style->vspacing << style->reimplementSubelementRect;
+ }
+ }
+
+}
+
+void tst_QGridLayout::layoutSpacingImplementation()
+{
+ QFETCH(QWidget *, widget);
+ QFETCH(PointList, expectedpositions);
+ QFETCH(int, hSpacing);
+ QFETCH(int, vSpacing);
+ QFETCH(bool, customSubElementRect);
+
+ QWidget toplevel;
+
+ CustomLayoutStyle *style = new CustomLayoutStyle();
+ style->hspacing = hSpacing;
+ style->vspacing = vSpacing;
+ style->reimplementSubelementRect = customSubElementRect;
+ QApplication::setStyle(style);
+ widget->setParent(&toplevel);
+ widget->resize(widget->sizeHint());
+ toplevel.show();
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&toplevel); // wait for the show
+#endif
+
+ QLayout *layout = widget->layout();
+ QVERIFY(layout);
+ //QTest::qWait(2000);
+ for (int pi = 0; pi < expectedpositions.count(); ++pi) {
+ QLayoutItem *item = layout->itemAt(pi);
+ //qDebug() << item->widget()->pos();
+ QCOMPARE(item->widget()->pos(), expectedpositions.at(pi));
+ }
+}
+
+void tst_QGridLayout::spacing()
+{
+ QWidget w;
+ CustomLayoutStyle *style = new CustomLayoutStyle();
+ style->hspacing = 5;
+ style->vspacing = 10;
+ w.setStyle(style);
+ QGridLayout grid(&w);
+ QCOMPARE(style->hspacing, grid.horizontalSpacing());
+ QCOMPARE(style->vspacing, grid.verticalSpacing());
+
+ QCOMPARE(grid.spacing(), -1);
+ grid.setVerticalSpacing(5);
+ QCOMPARE(5, grid.horizontalSpacing());
+ QCOMPARE(5, grid.verticalSpacing());
+ QCOMPARE(grid.spacing(), 5);
+ grid.setVerticalSpacing(-1);
+ QCOMPARE(style->hspacing, grid.horizontalSpacing());
+ QCOMPARE(style->vspacing, grid.verticalSpacing());
+
+ style->hspacing = 5;
+ style->vspacing = 5;
+ QCOMPARE(grid.spacing(), 5);
+
+
+ grid.setHorizontalSpacing(20);
+ QCOMPARE(grid.spacing(), -1);
+ style->vspacing = 20;
+ QCOMPARE(grid.horizontalSpacing(), 20);
+ QCOMPARE(grid.verticalSpacing(), 20);
+ QCOMPARE(grid.spacing(), 20);
+ grid.setHorizontalSpacing(-1);
+ QCOMPARE(grid.spacing(), -1);
+ style->hspacing = 20;
+ QCOMPARE(grid.spacing(), 20);
+
+
+ delete style;
+}
+
+void populate(QGridLayout *layout, int row, int kind)
+{
+ if (kind == 0) {
+ QWidget *widget = new QWidget;
+ widget->setFixedSize(100, 100);
+ layout->addWidget(widget, row, 0);
+ } else if (kind == 1) {
+ layout->addItem(new QSpacerItem(10, 10), row, 0);
+ }
+}
+
+void tst_QGridLayout::spacerWithSpacing()
+{
+ // Tests all combinations of widget (w), spacer (s) and no layoutitem (-)
+ // to see if they are laid out correctly.
+ // Note that a combination of "s-" or "-s" should only give the height of "s"
+ const int expectedHeight[] = {
+ 302,// www
+ 211,// wws
+ 201,// ww-
+ 211,// wsw
+ 120,// wss
+ 110,// ws-
+ 201,// w-w
+ 110,// w-s
+ 100,// w--
+ 211,// sww
+ 120,// sws
+ 110,// sw-
+ 120,// ssw
+ 30,// sss
+ 20,// ss-
+ 110,// s-w
+ 20,// s-s
+ 10,// s--
+ 201,// -ww
+ 110,// -ws
+ 100,// -w-
+ 110,// -sw
+ 20,// -ss
+ 10,// -s-
+ 100,// --w
+ 10,// --s
+ 000 // ---
+ };
+ int ii = 0;
+ for (int i = 0; i < 3; ++i) {
+ for (int j = 0; j < 3; ++j) {
+ for (int k = 0; k < 3; ++k) {
+ QWidget window;
+ QGridLayout layout(&window);
+ layout.setSpacing(1);
+ layout.setMargin(0);
+ populate(&layout, 0, i);
+ populate(&layout, 1, j);
+ populate(&layout, 2, k);
+ QCOMPARE(window.sizeHint().height(), expectedHeight[ii]);
+#if 0
+ const char T[] = "ws-";
+ qWarning("%c%c%c: %.3d", i[T], j[T], k[T], window.sizeHint().height());
+#endif
+ ++ii;
+ }
+ }
+ }
+}
+
+void tst_QGridLayout::contentsRect()
+{
+ QWidget w;
+ QGridLayout grid;
+ w.setLayout(&grid);
+ grid.addWidget(new QPushButton(&w));
+ w.show();
+#if defined(Q_WS_X11)
+ qt_x11_wait_for_window_manager(&w); // wait for the show
+#endif
+ int l, t, r, b;
+ grid.getContentsMargins(&l, &t, &r, &b);
+ QRect geom = grid.geometry();
+
+ QCOMPARE(geom.adjusted(+l, +t, -r, -b), grid.contentsRect());
+
+}
+
+void tst_QGridLayout::distributeMultiCell()
+{
+ QWidget w;
+ Qt42Style *style = new Qt42Style();
+ style->spacing = 9;
+
+ w.setStyle(style);
+ QGridLayout grid;
+ w.setLayout(&grid);
+
+ SizeHinter le1(200, 20, &w);
+ le1.setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
+ SizeHinter le2(200, 20, &w);
+ le2.setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
+ SizeHinter box(80, 57, &w);
+ box.setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding));
+ box.setMinimumSize(80, 57);
+
+ grid.addWidget(&le1, 0, 0, 1, 1);
+ grid.addWidget(&le2, 1, 0, 1, 1);
+ grid.addWidget(&box, 0, 1, 2, 1);
+
+ QCOMPARE(box.sizeHint().height(), 57);
+ QCOMPARE(w.sizeHint().height(), 11 + 57 + 11);
+}
+
+QTEST_MAIN(tst_QGridLayout)
+#include "tst_qgridlayout.moc"