File qtdeclarative-5.15.0-FixMaxXMaxYExtent.patch of Package libqt5-qtdeclarative

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File qtdeclarative-5.15.0-FixMaxXMaxYExtent.patch of Package libqt5-qtdeclarative (Revision 2cda9b469c2e8250a6a3586ab880aaaf)

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From 97e530bbc0066cf9f60891b99a5a974e4c3ced85 Mon Sep 17 00:00:00 2001
From: David Redondo <kde@david-redondo.de>
Date: Wed, 13 May 2020 11:04:23 +0200
Subject: [PATCH] QQuickItemView: Fix max(X/Y)Extent()

QQuickFlickable maxXExtent() and maxYExtent() return the amount of space
that is not shown when inside a ScrollView. QQuickItemView however just
returned width() if vertical and height() if horizontal. In these cases
just defer to the QQuickFlickable base implementation like minXExtent()
and minYExtent() already do.

Fixes: QTBUG-83890
Pick-to: 6.2 6.4
Change-Id: I7f4060c2f46ae07611bedceca0d322c5f7f6affb
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
(cherry picked from commit 99047ae219ff6689da38cc988a25030fece655da)
---
 src/quick/items/qquickitemview.cpp            |  4 +-
 .../qquickgridview/tst_qquickgridview.cpp     | 29 +++---
 .../qquicklistview/tst_qquicklistview.cpp     | 14 ++-
 .../quick/qquicklistview2/data/maxXExtent.qml | 29 ++++++
 .../quick/qquicklistview2/data/maxYExtent.qml | 30 ++++++
 .../qquicklistview2/tst_qquicklistview2.cpp   | 94 +++++++++++++++++++
 tests/auto/quick/quick.pro                    |  1 +
 7 files changed, 174 insertions(+), 27 deletions(-)
 create mode 100644 tests/auto/quick/qquicklistview2/data/maxXExtent.qml
 create mode 100644 tests/auto/quick/qquicklistview2/data/maxYExtent.qml
 create mode 100644 tests/auto/quick/qquicklistview2/tst_qquicklistview2.cpp

diff --git a/src/quick/items/qquickitemview.cpp b/src/quick/items/qquickitemview.cpp
index f8ad168a17..a797bec4ef 100644
--- a/src/quick/items/qquickitemview.cpp
+++ b/src/quick/items/qquickitemview.cpp
@@ -1393,7 +1393,7 @@ qreal QQuickItemView::maxYExtent() const
 {
     Q_D(const QQuickItemView);
     if (d->layoutOrientation() == Qt::Horizontal)
-        return height();
+        return QQuickFlickable::maxYExtent();
 
     if (d->vData.maxExtentDirty) {
         d->maxExtent = d->maxExtentForAxis(d->vData, false);
@@ -1421,7 +1421,7 @@ qreal QQuickItemView::maxXExtent() const
 {
     Q_D(const QQuickItemView);
     if (d->layoutOrientation() == Qt::Vertical)
-        return width();
+        return QQuickFlickable::maxXExtent();
 
     if (d->hData.maxExtentDirty) {
         d->maxExtent = d->maxExtentForAxis(d->hData, true);
diff --git a/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp b/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp
index 46e3457d6e..7f79968440 100644
--- a/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp
+++ b/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp
@@ -3543,51 +3543,46 @@ void tst_QQuickGridView::extents_data()
 
     QTest::newRow("LeftToRight, LtR, TtB")
             << QQuickGridView::FlowLeftToRight << Qt::LeftToRight << QQuickItemView::TopToBottom
-            << QPointF(0, -20) << QPointF(0, 0)
-            << QPointF(0, 20) << QPointF(240, 20)
+            << QPointF(0, -20) << QPointF(0, 0) << QPointF(0, 20) << QPointF(0, 20)
             << QPointF(0, -20) << QPointF(0, -20);
 
     QTest::newRow("LeftToRight, RtL, TtB")
             << QQuickGridView::FlowLeftToRight << Qt::RightToLeft << QQuickItemView::TopToBottom
-            << QPointF(0, -20) << QPointF(0, 0)
-            << QPointF(0, 20) << QPointF(240, 20)
+            << QPointF(0, -20) << QPointF(0, 0) << QPointF(0, 20) << QPointF(0, 20)
             << QPointF(0, -20) << QPointF(0, -20);
 
     QTest::newRow("LeftToRight, LtR, BtT")
             << QQuickGridView::FlowLeftToRight << Qt::LeftToRight << QQuickItemView::BottomToTop
-            << QPointF(0, 0) << QPointF(0, -30)
-            << QPointF(0, 320 - 20) << QPointF(240, 320 - 20)  // content flow is reversed
+            << QPointF(0, 0) << QPointF(0, -30) << QPointF(0, 320 - 20)
+            << QPointF(0, 320 - 20) // content flow is reversed
             << QPointF(0, -30) << QPointF(0, (-60.0 * 10) - 30);
 
     QTest::newRow("LeftToRight, RtL, BtT")
             << QQuickGridView::FlowLeftToRight << Qt::RightToLeft << QQuickItemView::BottomToTop
-            << QPointF(0, 0) << QPointF(0, -30)
-            << QPointF(0, 320 - 20) << QPointF(240, 320 - 20)  // content flow is reversed
+            << QPointF(0, 0) << QPointF(0, -30) << QPointF(0, 320 - 20)
+            << QPointF(0, 320 - 20) // content flow is reversed
             << QPointF(0, -30) << QPointF(0, (-60.0 * 10) - 30);
 
-
     QTest::newRow("TopToBottom, LtR, TtB")
             << QQuickGridView::FlowTopToBottom << Qt::LeftToRight << QQuickItemView::TopToBottom
-            << QPointF(-20, 0) << QPointF(0, 0)
-            << QPointF(20, 0) << QPointF(20, 320)
+            << QPointF(-20, 0) << QPointF(0, 0) << QPointF(20, 0) << QPointF(20, 0)
             << QPointF(-20, 0) << QPointF(-20, 0);
 
     QTest::newRow("TopToBottom, RtL, TtB")
             << QQuickGridView::FlowTopToBottom << Qt::RightToLeft << QQuickItemView::TopToBottom
-            << QPointF(0, 0) << QPointF(-30, 0)
-            << QPointF(240 - 20, 0) << QPointF(240 - 20, 320)  // content flow is reversed
+            << QPointF(0, 0) << QPointF(-30, 0) << QPointF(240 - 20, 0)
+            << QPointF(240 - 20, 0) // content flow is reversed
             << QPointF(-30, 0) << QPointF((-80.0 * 6) - 30, 0);
 
     QTest::newRow("TopToBottom, LtR, BtT")
             << QQuickGridView::FlowTopToBottom << Qt::LeftToRight << QQuickItemView::BottomToTop
-            << QPointF(-20, -320) << QPointF(0, -320)
-            << QPointF(20, 0) << QPointF(20, 320)
+            << QPointF(-20, -320) << QPointF(0, -320) << QPointF(20, 0) << QPointF(20, 0)
             << QPointF(-20, 0) << QPointF(-20, 0);
 
     QTest::newRow("TopToBottom, RtL, BtT")
             << QQuickGridView::FlowTopToBottom << Qt::RightToLeft << QQuickItemView::BottomToTop
-            << QPointF(0, -320) << QPointF(-30, -320)
-            << QPointF(240 - 20, 0) << QPointF(240 - 20, 320)  // content flow is reversed
+            << QPointF(0, -320) << QPointF(-30, -320) << QPointF(240 - 20, 0)
+            << QPointF(240 - 20, 0) // content flow is reversed
             << QPointF(-30, 0) << QPointF((-80.0 * 6) - 30, 0);
 }
 
diff --git a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
index d3deb513d0..2de6f5435c 100644
--- a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
+++ b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
@@ -4278,26 +4278,24 @@ void tst_QQuickListView::extents_data()
 
     QTest::newRow("Vertical, TopToBottom")
             << QQuickListView::Vertical << Qt::LeftToRight << QQuickItemView::TopToBottom
-            << QPointF(0, -20) << QPointF(0, 0)
-            << QPointF(0, 20) << QPointF(240, 20)
+            << QPointF(0, -20) << QPointF(0, 0) << QPointF(0, 20) << QPointF(0, 20)
             << QPointF(0, -20) << QPointF(0, -20) << QPointF(0, -20);
 
     QTest::newRow("Vertical, BottomToTop")
             << QQuickListView::Vertical << Qt::LeftToRight << QQuickItemView::BottomToTop
-            << QPointF(0, 0) << QPointF(0, -30)
-            << QPointF(0, 320 - 20) << QPointF(240, 320 - 20)  // content flow is reversed
+            << QPointF(0, 0) << QPointF(0, -30) << QPointF(0, 320 - 20)
+            << QPointF(0, 320 - 20) // content flow is reversed
             << QPointF(0, -30) << QPointF(0, (-30.0 * 3) - 30) << QPointF(0, (-30.0 * 30) - 30);
 
     QTest::newRow("Horizontal, LeftToRight")
             << QQuickListView::Horizontal << Qt::LeftToRight << QQuickItemView::TopToBottom
-            << QPointF(-20, 0) << QPointF(0, 0)
-            << QPointF(20, 0) << QPointF(20, 320)
+            << QPointF(-20, 0) << QPointF(0, 0) << QPointF(20, 0) << QPointF(20, 0)
             << QPointF(-20, 0) << QPointF(-20, 0) << QPointF(-20, 0);
 
     QTest::newRow("Horizontal, RightToLeft")
             << QQuickListView::Horizontal << Qt::RightToLeft << QQuickItemView::TopToBottom
-            << QPointF(0, 0) << QPointF(-30, 0)
-            << QPointF(240 - 20, 0) << QPointF(240 - 20, 320)  // content flow is reversed
+            << QPointF(0, 0) << QPointF(-30, 0) << QPointF(240 - 20, 0)
+            << QPointF(240 - 20, 0) // content flow is reversed
             << QPointF(-30, 0) << QPointF((-240.0 * 3) - 30, 0) << QPointF((-240.0 * 30) - 30, 0);
 }
 
diff --git a/tests/auto/quick/qquicklistview2/data/maxXExtent.qml b/tests/auto/quick/qquicklistview2/data/maxXExtent.qml
new file mode 100644
index 0000000000..b9e88cfc9e
--- /dev/null
+++ b/tests/auto/quick/qquicklistview2/data/maxXExtent.qml
@@ -0,0 +1,29 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+import QtQuick
+
+Item {
+    property alias view: view
+
+    ListView {
+        id: view
+        model: 10
+        width: 200
+        height: 200
+
+        Rectangle {
+            anchors.fill: parent
+            color: "transparent"
+            border.color: "darkorange"
+        }
+
+        delegate: Rectangle {
+            width: 100
+            height: 100
+            Text {
+                text: modelData
+            }
+        }
+    }
+}
diff --git a/tests/auto/quick/qquicklistview2/data/maxYExtent.qml b/tests/auto/quick/qquicklistview2/data/maxYExtent.qml
new file mode 100644
index 0000000000..3be8948691
--- /dev/null
+++ b/tests/auto/quick/qquicklistview2/data/maxYExtent.qml
@@ -0,0 +1,30 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+import QtQuick
+
+Item {
+    property alias view: view
+
+    ListView {
+        id: view
+        model: 10
+        width: 200
+        height: 200
+        orientation: ListView.Horizontal
+
+        Rectangle {
+            anchors.fill: parent
+            color: "transparent"
+            border.color: "darkorange"
+        }
+
+        delegate: Rectangle {
+            width: 100
+            height: 100
+            Text {
+                text: modelData
+            }
+        }
+    }
+}
diff --git a/tests/auto/quick/qquicklistview2/tst_qquicklistview2.cpp b/tests/auto/quick/qquicklistview2/tst_qquicklistview2.cpp
new file mode 100644
index 0000000000..40b440d9cd
--- /dev/null
+++ b/tests/auto/quick/qquicklistview2/tst_qquicklistview2.cpp
@@ -0,0 +1,94 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QtTest/QtTest>
+#include <QtQuick/qquickview.h>
+#include <QtQuick/private/qquickitemview_p_p.h>
+#include <QtQuick/private/qquicklistview_p.h>
+#include <QtQuickTest/QtQuickTest>
+#include <QStringListModel>
+#include <QQmlApplicationEngine>
+
+#include <QtQuickTestUtils/private/viewtestutils_p.h>
+#include <QtQuickTestUtils/private/visualtestutils_p.h>
+#include <QtQuickTestUtils/private/qmlutils_p.h>
+
+Q_LOGGING_CATEGORY(lcTests, "qt.quick.tests")
+
+using namespace QQuickViewTestUtils;
+using namespace QQuickVisualTestUtils;
+
+class tst_QQuickListView2 : public QQmlDataTest
+{
+    Q_OBJECT
+public:
+    tst_QQuickListView2();
+
+private slots:
+    void maxExtent_data();
+    void maxExtent();
+};
+
+tst_QQuickListView2::tst_QQuickListView2()
+    : QQmlDataTest(QT_QMLTEST_DATADIR)
+{
+}
+
+class FriendlyItemView : public QQuickItemView
+{
+    friend class ItemViewAccessor;
+};
+
+class ItemViewAccessor
+{
+public:
+    ItemViewAccessor(QQuickItemView *itemView) :
+        mItemView(reinterpret_cast<FriendlyItemView*>(itemView))
+    {
+    }
+
+    qreal maxXExtent() const
+    {
+        return mItemView->maxXExtent();
+    }
+
+    qreal maxYExtent() const
+    {
+        return mItemView->maxYExtent();
+    }
+
+private:
+    FriendlyItemView *mItemView = nullptr;
+};
+
+void tst_QQuickListView2::maxExtent_data()
+{
+    QTest::addColumn<QString>("qmlFilePath");
+    QTest::addRow("maxXExtent") << "maxXExtent.qml";
+    QTest::addRow("maxYExtent") << "maxYExtent.qml";
+}
+
+void tst_QQuickListView2::maxExtent()
+{
+    QFETCH(QString, qmlFilePath);
+
+    QScopedPointer<QQuickView> window(createView());
+    QVERIFY(window);
+    window->setSource(testFileUrl(qmlFilePath));
+    QVERIFY2(window->status() == QQuickView::Ready, qPrintable(QDebug::toString(window->errors())));
+    window->resize(640, 480);
+    window->show();
+    QVERIFY(QTest::qWaitForWindowExposed(window.data()));
+
+    QQuickListView *view = window->rootObject()->property("view").value<QQuickListView*>();
+    QVERIFY(view);
+    ItemViewAccessor viewAccessor(view);
+    if (view->orientation() == QQuickListView::Vertical)
+        QCOMPARE(viewAccessor.maxXExtent(), 0);
+    else if (view->orientation() == QQuickListView::Horizontal)
+        QCOMPARE(viewAccessor.maxYExtent(), 0);
+}
+
+QTEST_MAIN(tst_QQuickListView2)
+
+#include "tst_qquicklistview2.moc"
diff --git a/tests/auto/quick/quick.pro b/tests/auto/quick/quick.pro
index 45bcf8a9ce..00f7d64d1e 100644
--- a/tests/auto/quick/quick.pro
+++ b/tests/auto/quick/quick.pro
@@ -67,6 +67,7 @@ QUICKTESTS += \
     qquickitem2 \
     qquickitemlayer \
     qquicklistview \
+    qquicklistview2 \
     qquicktableview \
     qquickloader \
     qquickmousearea \
-- 
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File qtdeclarative-5.15.0-FixMaxXMaxYExtent.patch of Package libqt5-qtdeclarative (Revision 2cda9b469c2e8250a6a3586ab880aaaf)

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