Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-water-staging into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-water-staging:
  Revert "Add a warning about trying to release a timer ID that isn't active"
  Some unit tests for layout explosion thingy
  Fix a bug that got revealed by 604c51f1fc5c79b7fad12cda911b06b9e6e5005f
  Build failure fix (related to QT-4079)
  QWidgets support for VGA screen

4 files changed, 191 insertions, 4 deletions

diff --git a/src/gui/graphicsview/qgridlayoutengine.cpp b/src/gui/graphicsview/qgridlayoutengine.cpp
index 8f833f8..cd30dfb 100644
--- a/src/gui/graphicsview/qgridlayoutengine.cpp
+++ b/src/gui/graphicsview/qgridlayoutengine.cpp
@@ -194,7 +194,8 @@ void QGridLayoutRowData::distributeMultiCells(const QGridLayoutRowInfo &rowInfo)
 
         for (int k = 0; k < span; ++k) {
             boxes[start + k].combine(extras[k]);
-            stretches[start + k] = qMax(stretches[start + k], stretch);
+            if (stretch != 0)
+                stretches[start + k] = qMax(stretches[start + k], stretch);
         }
     }
     multiCellMap.clear();
@@ -1472,7 +1473,7 @@ void QGridLayoutEngine::fillRowData(QGridLayoutRowData *rowData, const QLayoutSt
                     QGridLayoutBox *box;
                     if (effectiveRowSpan == 1) {
                         box = &rowBox;
-                        if (!userRowStretch)
+                        if (!userRowStretch && itemStretch != 0)
                             rowStretch = qMax(rowStretch, itemStretch);
                     } else {
                         QGridLayoutMultiCellData &multiCell =
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index bf3a240..38a4b7c 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -96,7 +96,8 @@ const layoutHeader QS60StylePrivate::m_layoutHeaders[] = {
 {320,240,1,19,"QVGA Portrait"},
 {360,640,1,19,"NHD Landscape"},
 {640,360,1,19,"NHD Portrait"},
-{352,800,1,12,"E90 Landscape"}
+{352,800,1,12,"E90 Landscape"},
+{480,640,1,19,"VGA Landscape"}
 // *** End of generated data ***
 };
 const int QS60StylePrivate::m_numberOfLayouts =
@@ -108,7 +109,8 @@ const short QS60StylePrivate::data[][MAX_PIXELMETRICS] = {
 {5,0,-909,0,0,1,0,2,-1,8,14,22,15,15,7,164,-909,-909,-909,19,15,2,0,0,21,8,27,28,4,4,1,-909,-909,0,7,6,0,13,23,17,17,21,21,7,115,21,0,-909,-909,-909,-909,0,0,15,1,-909,0,0,-909,15,-909,-909,-909,-909,32,21,65,27,65,3,3,5,10,15,-909,5,58,13,5,0,4,4,7,9,4,4,-909,2,-909,-909,-909,-909,6,6,3,1,106},
 {7,0,-909,0,0,2,0,5,-1,25,69,46,37,37,9,258,-909,-909,-909,23,19,26,0,0,32,25,72,44,5,5,2,-909,-909,0,7,21,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,25,2,-909,0,0,-909,25,-909,-909,-909,-909,87,27,77,35,77,13,3,6,8,19,-909,7,74,19,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1,135},
 {7,0,-909,0,0,2,0,5,-1,25,68,46,37,37,9,258,-909,-909,-909,31,19,6,0,0,32,25,60,52,5,5,2,-909,-909,0,7,32,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,26,2,-909,0,0,-909,26,-909,-909,-909,-909,87,27,96,35,96,12,3,6,8,19,-909,7,74,22,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1,135},
-{7,0,-909,0,0,2,0,2,-1,10,20,27,18,18,9,301,-909,-909,-909,29,18,5,0,0,35,7,32,30,5,5,2,-909,-909,0,2,8,0,16,28,21,21,26,26,2,170,26,0,-909,-909,-909,-909,0,0,21,6,-909,0,0,-909,-909,-909,-909,-909,-909,54,26,265,34,265,5,5,6,3,18,-909,7,72,19,7,0,5,6,8,11,6,5,-909,2,-909,-909,-909,-909,5,5,3,1,106}
+{7,0,-909,0,0,2,0,2,-1,10,20,27,18,18,9,301,-909,-909,-909,29,18,5,0,0,35,7,32,30,5,5,2,-909,-909,0,2,8,0,16,28,21,21,26,26,2,170,26,0,-909,-909,-909,-909,0,0,21,6,-909,0,0,-909,-909,-909,-909,-909,-909,54,26,265,34,265,5,5,6,3,18,-909,7,72,19,7,0,5,6,8,11,6,5,-909,2,-909,-909,-909,-909,5,5,3,1,106},
+{9,0,-909,0,0,2,0,5,-1,34,99,76,51,51,25,352,-909,-909,-909,29,25,7,0,0,43,34,42,76,7,7,2,-909,-909,0,9,14,0,23,39,30,30,37,37,9,391,40,0,-909,-909,-909,-909,0,0,29,2,-909,0,0,-909,29,-909,-909,-909,-909,115,37,96,48,96,19,19,9,1,25,-909,9,101,24,9,0,7,7,7,16,7,7,-909,3,-909,-909,-909,-909,9,9,3,1,184}
 // *** End of generated data ***
 };
 
diff --git a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
index 17cb7bf..891d0aa 100644
--- a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
+++ b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
@@ -120,6 +120,11 @@ private slots:
     void avoidRecursionInInsertItem();
     void styleInfoLeak();
     void task236367_maxSizeHint();
+    void spanningItem2x2_data();
+    void spanningItem2x2();
+    void spanningItem2x3_data();
+    void spanningItem2x3();
+    void spanningItem();
     void heightForWidth();
     void heightForWidthWithSpanning();
     void stretchAndHeightForWidth();
@@ -2860,6 +2865,159 @@ void tst_QGraphicsGridLayout::heightForWidthWithSpanning()
     QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(200, -1)), QSizeF(200, 10000));
 }
 
+Q_DECLARE_METATYPE(QSizePolicy::Policy)
+void tst_QGraphicsGridLayout::spanningItem2x2_data()
+{
+    QTest::addColumn<QSizePolicy::Policy>("sizePolicy");
+    QTest::addColumn<int>("itemHeight");
+    QTest::addColumn<int>("expectedHeight");
+
+    QTest::newRow("A larger spanning item with 2 widgets with fixed policy") << QSizePolicy::Fixed << 39 << 80;
+    QTest::newRow("A larger spanning item with 2 widgets with preferred policy") << QSizePolicy::Preferred << 39 << 80;
+    QTest::newRow("An equally-sized spanning item with 2 widgets with fixed policy") << QSizePolicy::Fixed << 40 << 80;
+    QTest::newRow("An equally-sized spanning item with 2 widgets with preferred policy") << QSizePolicy::Preferred << 40 << 80;
+    QTest::newRow("A smaller spanning item with 2 widgets with fixed policy") << QSizePolicy::Fixed << 41 << 82;
+    QTest::newRow("A smaller spanning item with 2 widgets with preferred policy") << QSizePolicy::Preferred << 41 << 82;
+}
+
+void tst_QGraphicsGridLayout::spanningItem2x2()
+{
+    QFETCH(QSizePolicy::Policy, sizePolicy);
+    QFETCH(int, itemHeight);
+    QFETCH(int, expectedHeight);
+    QGraphicsWidget *form = new QGraphicsWidget(0, Qt::Window);
+    QGraphicsGridLayout *layout = new QGraphicsGridLayout(form);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    QGraphicsWidget *w1 = new QGraphicsWidget;
+    w1->setMinimumSize(80,80);
+    w1->setMaximumSize(80,80);
+
+    QGraphicsWidget *w2 = new QGraphicsWidget;
+    w2->setMinimumSize(80,itemHeight);
+    w2->setPreferredSize(80,itemHeight);
+    w2->setSizePolicy(QSizePolicy::Fixed, sizePolicy);
+
+    QGraphicsWidget *w3 = new QGraphicsWidget;
+    w3->setMinimumSize(80,itemHeight);
+    w3->setPreferredSize(80,itemHeight);
+    w3->setSizePolicy(QSizePolicy::Fixed, sizePolicy);
+
+    layout->addItem(w1, 0, 0, 2, 1);
+    layout->addItem(w2, 0, 1);
+    layout->addItem(w3, 1, 1);
+
+    QCOMPARE(layout->minimumSize(), QSizeF(160,expectedHeight));
+    if(sizePolicy == QSizePolicy::Fixed)
+        QCOMPARE(layout->maximumSize(), QSizeF(160,expectedHeight));
+    else
+        QCOMPARE(layout->maximumSize(), QSizeF(160,QWIDGETSIZE_MAX));
+}
+
+void tst_QGraphicsGridLayout::spanningItem2x3_data()
+{
+    QTest::addColumn<bool>("w1_fixed");
+    QTest::addColumn<bool>("w2_fixed");
+    QTest::addColumn<bool>("w3_fixed");
+    QTest::addColumn<bool>("w4_fixed");
+    QTest::addColumn<bool>("w5_fixed");
+
+    for(int w1 = 0; w1 < 2; w1++)
+        for(int w2 = 0; w2 < 2; w2++)
+            for(int w3 = 0; w3 < 2; w3++)
+                for(int w4 = 0; w4 < 2; w4++)
+                    for(int w5 = 0; w5 < 2; w5++) {
+                        QString description = QString("Fixed sizes:") + (w1?" w1":"") + (w2?" w2":"") + (w3?" w3":"") + (w4?" w4":"") + (w5?" w5":"");
+                        QTest::newRow(description.toLatin1()) << (bool)w1 << (bool)w2 << (bool)w3 << (bool)w4 << (bool)w5;
+                    }
+}
+
+void tst_QGraphicsGridLayout::spanningItem2x3()
+{
+    QFETCH(bool, w1_fixed);
+    QFETCH(bool, w2_fixed);
+    QFETCH(bool, w3_fixed);
+    QFETCH(bool, w4_fixed);
+    QFETCH(bool, w5_fixed);
+    QGraphicsGridLayout *layout = new QGraphicsGridLayout;
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    QGraphicsWidget *w1 = new QGraphicsWidget;
+    w1->setMinimumSize(80,80);
+    w1->setMaximumSize(80,80);
+    if (w1_fixed)
+        w1->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+    QGraphicsWidget *w2 = new QGraphicsWidget;
+    w2->setMinimumSize(80,48);
+    w2->setPreferredSize(80,48);
+    if (w2_fixed)
+        w2->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+    QGraphicsWidget *w3 = new QGraphicsWidget;
+    w3->setMinimumSize(80,30);
+    w3->setPreferredSize(80,30);
+    if (w3_fixed)
+        w3->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+    QGraphicsWidget *w4 = new QGraphicsWidget;
+    w4->setMinimumSize(80,30);
+    w4->setMaximumSize(80,30);
+    if (w4_fixed)
+        w4->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+    QGraphicsWidget *w5 = new QGraphicsWidget;
+    w5->setMinimumSize(40,24);
+    w5->setMaximumSize(40,24);
+    if (w5_fixed)
+        w5->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+    layout->addItem(w1, 0, 0, 2, 1);
+    layout->addItem(w2, 0, 1);
+    layout->addItem(w3, 1, 1);
+    layout->addItem(w4, 0, 2);
+    layout->addItem(w5, 1, 2);
+
+    QCOMPARE(layout->minimumSize(), QSizeF(240,80));
+    // Only w2 and w3 grow vertically, so when they have a fixed vertical size policy,
+    // the whole layout cannot grow vertically.
+    if (w2_fixed && w3_fixed)
+        QCOMPARE(layout->maximumSize(), QSizeF(QWIDGETSIZE_MAX,80));
+    else
+        QCOMPARE(layout->maximumSize(), QSizeF(QWIDGETSIZE_MAX,QWIDGETSIZE_MAX));
+}
+
+void tst_QGraphicsGridLayout::spanningItem()
+{
+    QGraphicsWidget *form = new QGraphicsWidget(0, Qt::Window);
+    QGraphicsGridLayout *layout = new QGraphicsGridLayout(form);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    QGraphicsWidget *w1 = new QGraphicsWidget;
+    w1->setMinimumSize(80,80);
+    w1->setMaximumSize(80,80);
+
+    QGraphicsWidget *w2 = new QGraphicsWidget;
+    w2->setMinimumSize(80,38);
+    w2->setPreferredSize(80,38);
+    w2->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+
+    QGraphicsWidget *w3 = new QGraphicsWidget;
+    w3->setMinimumSize(80,38);
+    w3->setPreferredSize(80,38);
+    w3->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+
+    layout->addItem(w1, 0, 0, 2, 1);
+    layout->addItem(w2, 0, 1);
+    layout->addItem(w3, 1, 1);
+
+    QCOMPARE(layout->minimumSize(), QSizeF(160,80));
+    QCOMPARE(layout->maximumSize(), QSizeF(160,80));
+}
+
 void tst_QGraphicsGridLayout::stretchAndHeightForWidth()
 {
     QGraphicsWidget *widget = new QGraphicsWidget(0, Qt::Window);
diff --git a/tests/auto/qgraphicslinearlayout/tst_qgraphicslinearlayout.cpp b/tests/auto/qgraphicslinearlayout/tst_qgraphicslinearlayout.cpp
index a024f65..62ba1b4 100644
--- a/tests/auto/qgraphicslinearlayout/tst_qgraphicslinearlayout.cpp
+++ b/tests/auto/qgraphicslinearlayout/tst_qgraphicslinearlayout.cpp
@@ -106,6 +106,7 @@ private slots:
     void testAlignmentInLargerLayout();
     void testOffByOneInLargerLayout();
     void testDefaultAlignment();
+    void combineSizePolicies();
 
     // Task specific tests
     void task218400_insertStretchCrash();
@@ -1583,6 +1584,31 @@ void tst_QGraphicsLinearLayout::testDefaultAlignment()
     QCOMPARE(w2->geometry(), QRectF(0,50,100,100));
 }
 
+void tst_QGraphicsLinearLayout::combineSizePolicies()
+{
+    QGraphicsWidget *widget = new QGraphicsWidget;
+    QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Horizontal, widget);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    QGraphicsWidget *w1 = new QGraphicsWidget;
+    w1->setMaximumSize(200,200);
+    w1->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+    layout->addItem(w1);
+
+    QGraphicsWidget *w2 = new QGraphicsWidget;
+    w2->setPreferredSize(50,50);
+    w2->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    layout->addItem(w2);
+    QCOMPARE(layout->maximumHeight(), qreal(200));
+
+    // now remove the fixed vertical size policy, and set instead the maximum height to 50
+    // this should in effect give the same maximumHeight
+    w2->setMaximumHeight(50);
+    w2->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
+    QCOMPARE(layout->maximumHeight(), qreal(200));
+}
+
 QTEST_MAIN(tst_QGraphicsLinearLayout)
 #include "tst_qgraphicslinearlayout.moc"