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authorOlivier Goffart <olivier.goffart@nokia.com>2010-08-13 08:09:53 (GMT)
committerOlivier Goffart <olivier.goffart@nokia.com>2010-08-13 08:33:13 (GMT)
commit5114fcb45d584ea50da7397088f084dfd74922b9 (patch)
tree18cb40f048186ebf0eac568e2ae53ec092044c55 /tests/auto/qgraphicsgridlayout
parent55e47566dd1ac83ff674401dfd6284f07490cd8b (diff)
parentee62807198a2525577c14f718b98d07ae0ec7bec (diff)
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Merge remote branch 'origin/4.7' into qt-master-from-4.7
Conflicts: src/gui/painting/qpainter.cpp src/gui/text/qtextengine.cpp tests/auto/qimage/tst_qimage.cpp tests/auto/qpainter/tst_qpainter.cpp tools/qdoc3/test/assistant.qdocconf tools/qdoc3/test/designer.qdocconf tools/qdoc3/test/linguist.qdocconf tools/qdoc3/test/qmake.qdocconf tools/qdoc3/test/qt-build-docs.qdocconf tools/qdoc3/test/qt-html-templates.qdocconf tools/qdoc3/test/qt-html-templates_zh_CN.qdocconf tools/qdoc3/test/qt.qdocconf
Diffstat (limited to 'tests/auto/qgraphicsgridlayout')
-rw-r--r--tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp388
1 files changed, 372 insertions, 16 deletions
diff --git a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
index 55d75af..7346f07 100644
--- a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
+++ b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
@@ -108,12 +108,13 @@ private slots:
void avoidRecursionInInsertItem();
void styleInfoLeak();
void task236367_maxSizeHint();
+ void heightForWidth();
};
class RectWidget : public QGraphicsWidget
{
public:
- RectWidget(QGraphicsItem *parent = 0) : QGraphicsWidget(parent){}
+ RectWidget(QGraphicsItem *parent = 0) : QGraphicsWidget(parent), m_fnConstraint(0) {}
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
@@ -126,9 +127,12 @@ public:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const
{
- if (m_sizeHints[which].isValid()) {
+ if (constraint.width() < 0 && constraint.height() < 0 && m_sizeHints[which].isValid()) {
return m_sizeHints[which];
}
+ if (m_fnConstraint) {
+ return m_fnConstraint(which, constraint);
+ }
return QGraphicsWidget::sizeHint(which, constraint);
}
@@ -137,7 +141,13 @@ public:
updateGeometry();
}
+ void setConstraintFunction(QSizeF (*fnConstraint)(Qt::SizeHint, const QSizeF &)) {
+ m_fnConstraint = fnConstraint;
+ }
+
QSizeF m_sizeHints[Qt::NSizeHints];
+ QSizeF (*m_fnConstraint)(Qt::SizeHint, const QSizeF &);
+
};
struct ItemDesc
@@ -147,7 +157,8 @@ struct ItemDesc
m_rowSpan(1),
m_colSpan(1),
m_sizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred)),
- m_align(0)
+ m_align(0),
+ m_fnConstraint(0)
{
}
@@ -214,8 +225,20 @@ struct ItemDesc
return (*this);
}
+ ItemDesc &heightForWidth(QSizeF (*fnConstraint)(Qt::SizeHint, const QSizeF &)) {
+ m_fnConstraint = fnConstraint;
+ m_constraintOrientation = Qt::Vertical;
+ return (*this);
+ }
+
void apply(QGraphicsGridLayout *layout, QGraphicsWidget *item) {
- item->setSizePolicy(m_sizePolicy);
+ QSizePolicy sp = m_sizePolicy;
+ if (m_fnConstraint) {
+ sp.setHeightForWidth(m_constraintOrientation == Qt::Vertical);
+ //sp.setWidthForHeight(m_constraintOrientation == Qt::Horizontal);
+ }
+
+ item->setSizePolicy(sp);
for (int i = 0; i < Qt::NSizeHints; ++i) {
if (!m_sizes[i].isValid())
continue;
@@ -234,6 +257,7 @@ struct ItemDesc
break;
}
}
+
layout->addItem(item, m_pos.first, m_pos.second, m_rowSpan, m_colSpan);
layout->setAlignment(item, m_align);
}
@@ -241,6 +265,7 @@ struct ItemDesc
void apply(QGraphicsGridLayout *layout, RectWidget *item) {
for (int i = 0; i < Qt::NSizeHints; ++i)
item->setSizeHint((Qt::SizeHint)i, m_sizeHints[i]);
+ item->setConstraintFunction(m_fnConstraint);
apply(layout, static_cast<QGraphicsWidget*>(item));
}
@@ -252,6 +277,9 @@ struct ItemDesc
QSizeF m_sizeHints[Qt::NSizeHints];
QSizeF m_sizes[Qt::NSizeHints];
Qt::Alignment m_align;
+
+ Qt::Orientation m_constraintOrientation;
+ QSizeF (*m_fnConstraint)(Qt::SizeHint, const QSizeF &);
};
typedef QList<ItemDesc> ItemList;
@@ -486,12 +514,12 @@ void tst_QGraphicsGridLayout::alignment()
widget->resize(widget->effectiveSizeHint(Qt::MaximumSize));
QApplication::processEvents();
- QCOMPARE(layout->itemAt(0,0)->geometry(), QRectF(0, 0, 50, 25));
- QCOMPARE(layout->itemAt(1,0)->geometry(), QRectF(0, 25, 50, 25));
- QCOMPARE(layout->itemAt(0,1)->geometry(), QRectF(125, 0, 50, 25));
- QCOMPARE(layout->itemAt(1,1)->geometry(), QRectF(125, 25, 50, 25));
- QCOMPARE(layout->itemAt(0,2)->geometry(), QRectF(250, 0, 50, 25));
- QCOMPARE(layout->itemAt(1,2)->geometry(), QRectF(250, 25, 50, 25));
+ QCOMPARE(layout->itemAt(0,0)->geometry(), QRectF(0, 0, 50, 50));
+ QCOMPARE(layout->itemAt(1,0)->geometry(), QRectF(0, 50, 50, 50));
+ QCOMPARE(layout->itemAt(0,1)->geometry(), QRectF(125, 0, 50, 50));
+ QCOMPARE(layout->itemAt(1,1)->geometry(), QRectF(125, 50, 50, 50));
+ QCOMPARE(layout->itemAt(0,2)->geometry(), QRectF(250, 0, 50, 50));
+ QCOMPARE(layout->itemAt(1,2)->geometry(), QRectF(250, 50, 50, 50));
delete widget;
}
@@ -545,12 +573,12 @@ void tst_QGraphicsGridLayout::columnAlignment()
| HCenter | Right | Left |
+---------------------------------+
*/
- QCOMPARE(layout->itemAt(0,0)->geometry(), QRectF(0, 0, 50, 25));
- QCOMPARE(layout->itemAt(1,0)->geometry(), QRectF(25, 26, 50, 25)); // item is king
- QCOMPARE(layout->itemAt(0,1)->geometry(), QRectF(126, 0, 50, 25));
- QCOMPARE(layout->itemAt(1,1)->geometry(), QRectF(151, 26, 50, 25)); // item is king
- QCOMPARE(layout->itemAt(0,2)->geometry(), QRectF(252, 0, 50, 25));
- QCOMPARE(layout->itemAt(1,2)->geometry(), QRectF(202, 26, 50, 25)); // item is king
+ QCOMPARE(layout->itemAt(0,0)->geometry(), QRectF(0, 0, 50, 50));
+ QCOMPARE(layout->itemAt(1,0)->geometry(), QRectF(25, 51, 50, 50)); // item is king
+ QCOMPARE(layout->itemAt(0,1)->geometry(), QRectF(126, 0, 50, 50));
+ QCOMPARE(layout->itemAt(1,1)->geometry(), QRectF(151, 51, 50, 50)); // item is king
+ QCOMPARE(layout->itemAt(0,2)->geometry(), QRectF(252, 0, 50, 50));
+ QCOMPARE(layout->itemAt(1,2)->geometry(), QRectF(202, 51, 50, 50)); // item is king
delete widget;
}
@@ -2143,6 +2171,17 @@ void tst_QGraphicsGridLayout::alignment2()
delete widget;
}
+static QSizeF hfw1(Qt::SizeHint, const QSizeF &constraint)
+{
+ QSizeF result(constraint);
+ if (constraint.width() < 0 && constraint.height() < 0) {
+ return QSizeF(50, 400);
+ } else if (constraint.width() >= 0) {
+ result.setHeight(20000./constraint.width());
+ }
+ return result;
+}
+
void tst_QGraphicsGridLayout::geometries_data()
{
@@ -2172,6 +2211,186 @@ void tst_QGraphicsGridLayout::geometries_data()
<< QRectF(0, 0, 60,10) << QRectF(0, 10, 60,10)
);
+ // change layout height and verify
+ QTest::newRow("hfw-h401") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(500, 500))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(100, 401)
+ << (RectList()
+ << QRectF(0, 0, 50, 1) << QRectF(50, 0, 50, 1)
+ << QRectF(0, 1, 50,100) << QRectF(50, 1, 50,400)
+ );
+
+
+ QTest::newRow("hfw-h408") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(500, 500))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(100, 408)
+ << (RectList()
+ << QRectF(0, 0, 50, 8) << QRectF(50, 0, 50, 8)
+ << QRectF(0, 8, 50,100) << QRectF(50, 8, 50,400)
+ );
+
+ QTest::newRow("hfw-h410") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(500, 500))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(100, 410)
+ << (RectList()
+ << QRectF(0, 0, 50,10) << QRectF(50, 0, 50,10)
+ << QRectF(0, 10, 50,100) << QRectF(50, 10, 50,400)
+ );
+
+ QTest::newRow("hfw-h470") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(500, 500))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(100, 470)
+ << (RectList()
+ << QRectF(0, 0, 50,70) << QRectF(50, 0, 50,70)
+ << QRectF(0, 70, 50,100) << QRectF(50, 70, 50,400)
+ );
+
+
+ // change layout width and verify
+ QTest::newRow("hfw-w100") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(5000, 5000))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(100, 401)
+ << (RectList()
+ << QRectF( 0, 0, 50, 1) << QRectF( 50, 0, 50, 1)
+ << QRectF( 0, 1, 50, 100) << QRectF( 50, 1, 50, 400)
+ );
+
+ QTest::newRow("hfw-w160") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(5000, 5000))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(160, 401)
+ << (RectList()
+ << QRectF( 0, 0, 80, 100) << QRectF( 80, 0, 80, 100)
+ << QRectF( 0, 100, 80, 100) << QRectF( 80, 100, 80, 250)
+ );
+
+
+ QTest::newRow("hfw-w500") << (ItemList()
+ << ItemDesc(0,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(0,1)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,0)
+ .minSize(QSizeF(1,1))
+ .preferredSize(QSizeF(50,10))
+ .maxSize(QSizeF(100, 100))
+ << ItemDesc(1,1)
+ .minSize(QSizeF(40,40))
+ .preferredSize(QSizeF(50,400))
+ .maxSize(QSizeF(5000, 5000))
+ .heightForWidth(hfw1)
+ )
+ << QSizeF(500, 401)
+ << (RectList()
+ << QRectF( 0, 0, 100, 100) << QRectF(100, 0, 100, 100)
+ << QRectF( 0, 100, 100, 100) << QRectF(100, 100, 400, 50)
+ );
+
}
void tst_QGraphicsGridLayout::geometries()
@@ -2242,6 +2461,143 @@ void tst_QGraphicsGridLayout::task236367_maxSizeHint()
QCOMPARE(widget->size(), QSizeF(w, h));
}
+/*
+static qreal hfw(qreal w)
+{
+ if (w == 0)
+ return 20000;
+ return 20000/w;
+}
+*/
+static QSizeF hfw(Qt::SizeHint /*which*/, const QSizeF &constraint)
+{
+ QSizeF result(constraint);
+ const qreal cw = constraint.width();
+ const qreal ch = constraint.height();
+ if (cw < 0 && ch < 0) {
+ return QSizeF(200, 100);
+ } else if (cw >= 0) {
+ result.setHeight(20000./cw);
+ } else if (cw == 0) {
+ result.setHeight(20000);
+ } else if (ch >= 0) {
+ result.setWidth(20000./ch);
+ } else if (ch == 0) {
+ result.setWidth(20000);
+ }
+
+ return result;
+}
+
+static qreal growthFactorBelowPreferredSize(qreal desired, qreal sumAvailable, qreal sumDesired)
+{
+ Q_ASSERT(sumDesired != 0.0);
+ return desired * qPow(sumAvailable / sumDesired, desired / sumDesired);
+}
+
+static void expectedWidth(qreal minSize1, qreal prefSize1,
+ qreal minSize2, qreal prefSize2,
+ qreal targetSize, qreal *width1, qreal *width2)
+{
+ qreal sumAvail,factor1,factor2;
+ // stretch behaviour is different below and above preferred size...
+ if (targetSize < prefSize1 + prefSize2) {
+ sumAvail = targetSize - minSize1 - minSize2;
+ const qreal desired1 = prefSize1 - minSize1;
+ const qreal desired2 = prefSize2 - minSize2;
+ const qreal sumDesired = desired1 + desired2;
+ factor1 = growthFactorBelowPreferredSize(desired1, sumAvail, sumDesired);
+ factor2 = growthFactorBelowPreferredSize(desired2, sumAvail, sumDesired);
+ const qreal sumFactors = factor1 + factor2;
+ *width1 = sumAvail*factor1/sumFactors + minSize1;
+ *width2 = sumAvail*factor2/sumFactors + minSize2;
+ } else {
+ sumAvail = targetSize - prefSize1 - prefSize2;
+ factor1 = prefSize1;
+ factor2 = prefSize2;
+ const qreal sumFactors = factor1 + factor2;
+ *width1 = sumAvail*factor1/sumFactors + prefSize1;
+ *width2 = sumAvail*factor2/sumFactors + prefSize2;
+ }
+}
+
+
+bool qFuzzyCompare(const QSizeF &a, const QSizeF &b)
+{
+ return qFuzzyCompare(a.width(), b.width()) && qFuzzyCompare(a.height(), b.height());
+}
+
+void tst_QGraphicsGridLayout::heightForWidth()
+{
+ QGraphicsWidget *widget = new QGraphicsWidget;
+ QGraphicsGridLayout *layout = new QGraphicsGridLayout;
+ widget->setLayout(layout);
+ layout->setContentsMargins(0, 0, 0, 0);
+ layout->setSpacing(0);
+ RectWidget *w00 = new RectWidget;
+ w00->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
+ w00->setSizeHint(Qt::PreferredSize, QSizeF(10,10));
+ w00->setSizeHint(Qt::MaximumSize, QSizeF(100,100));
+ layout->addItem(w00, 0, 0);
+
+ RectWidget *w01 = new RectWidget;
+ w01->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
+ w01->setSizeHint(Qt::PreferredSize, QSizeF(10,10));
+ w01->setSizeHint(Qt::MaximumSize, QSizeF(100,100));
+ layout->addItem(w01, 0, 1);
+
+ RectWidget *w10 = new RectWidget;
+ w10->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
+ w10->setSizeHint(Qt::PreferredSize, QSizeF(10,10));
+ w10->setSizeHint(Qt::MaximumSize, QSizeF(100,100));
+ layout->addItem(w10, 1, 0);
+
+ RectWidget *w11 = new RectWidget;
+ w11->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
+ w11->setSizeHint(Qt::MaximumSize, QSizeF(30000,30000));
+ w11->setConstraintFunction(hfw);
+ QSizePolicy sp(QSizePolicy::Preferred, QSizePolicy::Preferred);
+ sp.setHeightForWidth(true);
+ w11->setSizePolicy(sp);
+ layout->addItem(w11, 1, 1);
+
+ QSizeF prefSize = layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(-1, -1));
+ QCOMPARE(prefSize, QSizeF(10+200, 10+100));
+
+ QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(2, -1)), QSizeF(2, 20001));
+ QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(2, -1)), QSizeF(2, 20010));
+ QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(2, -1)), QSizeF(2, 20100));
+ qreal width1;
+ qreal width2;
+ expectedWidth(1, 10, 1, 200, 20, &width1, &width2);
+ QSizeF expectedSize = hfw(Qt::MinimumSize, QSizeF(width2, -1)) + QSizeF(width1, 1);
+ QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(20, -1)), expectedSize);
+ expectedSize.rheight()+=9;
+ QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(20, -1)), expectedSize);
+ expectedSize.rheight()+=90;
+ QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(20, -1)), expectedSize);
+
+ expectedWidth(1, 10, 1, 200, 300, &width1, &width2);
+ expectedSize = hfw(Qt::MinimumSize, QSizeF(width2, -1)) + QSizeF(width1, 1);
+ QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(300, -1)), expectedSize);
+ expectedSize.rheight()+=9;
+ QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(300, -1)), expectedSize);
+ // the height of the hfw widget is shorter than the one to the left, which is 100, so
+ // the total height of the last row is 100 (which leaves the layout height to be 200)
+ QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(300, -1)), QSizeF(300, 200));
+
+ // the hfw item is shorter than the item to the left
+ expectedWidth(1, 10, 1, 200, 500, &width1, &width2);
+ expectedSize = hfw(Qt::MinimumSize, QSizeF(width2, -1)) + QSizeF(width1, 1);
+ QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(500, -1)), expectedSize);
+ expectedSize.rheight()+=9;
+ QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(500, -1)), expectedSize);
+ // the height of the hfw widget is shorter than the one to the left, which is 100, so
+ // the total height of the last row is 100 (which leaves the layout height to be 200)
+ QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(500, -1)), QSizeF(500, 200));
+
+}
+
QTEST_MAIN(tst_QGraphicsGridLayout)
#include "tst_qgraphicsgridlayout.moc"