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qtdeclarative/tests/auto/quick/qquicktreeview/tst_qquicktreeview.cpp

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QtTest/QtTest>
#include <QtQuickTest/quicktest.h>
#include <QtQuick/qquickview.h>
#include <QtQuick/private/qquicktreeview_p.h>
#include <QtQuick/private/qquicktreeview_p_p.h>
#include <QtQml/qqmlengine.h>
#include <QtQml/qqmlcontext.h>
#include <QtQml/qqmlexpression.h>
#include <QtQml/qqmlincubator.h>
#include <QtQmlModels/private/qqmlobjectmodel_p.h>
#include <QtQmlModels/private/qqmllistmodel_p.h>
#include "testmodel.h"
#include <QtQuickTestUtils/private/qmlutils_p.h>
#include <QtQuickTestUtils/private/viewtestutils_p.h>
#include <QtQuickTestUtils/private/visualtestutils_p.h>
using namespace QQuickViewTestUtils;
using namespace QQuickVisualTestUtils;
using namespace Qt::StringLiterals;
#define LOAD_TREEVIEW(fileName) \
view->setSource(testFileUrl(fileName)); \
view->show(); \
view->requestActivate(); \
QVERIFY(QTest::qWaitForWindowActive(view)); \
auto treeView = view->rootObject()->property("treeView").value<QQuickTreeView *>(); \
QVERIFY(treeView); \
auto treeViewPrivate = QQuickTreeViewPrivate::get(treeView); \
Q_UNUSED(treeViewPrivate) \
auto model = treeView->model().value<TestModel *>(); \
Q_UNUSED(model)
#define WAIT_UNTIL_POLISHED_ARG(item) \
QVERIFY(QQuickTest::qIsPolishScheduled(item)); \
QVERIFY(QQuickTest::qWaitForPolish(item))
#define WAIT_UNTIL_POLISHED WAIT_UNTIL_POLISHED_ARG(treeView)
// ########################################################
class tst_qquicktreeview : public QQmlDataTest
{
Q_OBJECT
public:
tst_qquicktreeview();
private:
QQuickView *view = nullptr;
private slots:
void initTestCase() override;
void showTreeView();
void invalidArguments();
void expandAndCollapseRoot();
void toggleExpanded();
void expandAndCollapseChildren();
void expandChildPendingToBeVisible();
void expandRecursivelyRoot_data();
void expandRecursivelyRoot();
void expandRecursivelyChild_data();
void expandRecursivelyChild();
void expandRecursivelyWholeTree();
void collapseRecursivelyRoot();
void collapseRecursivelyChild();
void collapseRecursivelyWholeTree();
void expandToIndex();
void requiredPropertiesRoot();
void requiredPropertiesChildren();
void emptyModel();
void updatedModifiedModel();
void insertRows();
void toggleExpandedUsingArrowKeys();
void expandAndCollapsUsingDoubleClick();
void selectionBehaviorCells_data();
void selectionBehaviorCells();
void selectionBehaviorRows();
void selectionBehaviorColumns();
void selectionBehaviorDisabled();
void sortTreeModel_data();
void sortTreeModel();
void sortTreeModelDynamic_data();
void sortTreeModelDynamic();
};
tst_qquicktreeview::tst_qquicktreeview()
: QQmlDataTest(QT_QMLTEST_DATADIR)
{
}
void tst_qquicktreeview::initTestCase()
{
QQmlDataTest::initTestCase();
qmlRegisterType<TestModel>("TestModel", 1, 0, "TestModel");
view = createView();
}
void tst_qquicktreeview::showTreeView()
{
LOAD_TREEVIEW("normaltreeview.qml");
// Check that the view is showing the root of the tree
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
}
void tst_qquicktreeview::invalidArguments()
{
// Check that we handle gracefully invalid arguments
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expand(-2);
QCOMPARE(treeView->rows(), 1);
treeView->expandRecursively(200);
QCOMPARE(treeView->rows(), 1);
treeView->expandRecursively(-2);
QCOMPARE(treeView->rows(), 1);
treeView->expandRecursively(200);
QCOMPARE(treeView->rows(), 1);
treeView->collapse(-2);
QCOMPARE(treeView->rows(), 1);
treeView->collapseRecursively(200);
QCOMPARE(treeView->rows(), 1);
treeView->collapseRecursively(-2);
QCOMPARE(treeView->rows(), 1);
treeView->collapseRecursively(200);
QCOMPARE(treeView->rows(), 1);
}
void tst_qquicktreeview::expandAndCollapseRoot()
{
LOAD_TREEVIEW("normaltreeview.qml");
// Check that the view only has one row loaded so far (the root of the tree)
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
QSignalSpy expandedSpy(treeView, SIGNAL(expanded(int, int)));
// Expand the root
treeView->expand(0);
QCOMPARE(expandedSpy.size(), 1);
auto signalArgs = expandedSpy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == 0);
QVERIFY(signalArgs.at(1).toInt() == 1);
WAIT_UNTIL_POLISHED;
// We now expect 5 rows, the root pluss it's 4 children
QCOMPARE(treeViewPrivate->loadedRows.count(), 5);
treeView->collapse(0);
WAIT_UNTIL_POLISHED;
// Check that the view only has one row loaded again (the root of the tree)
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
}
void tst_qquicktreeview::toggleExpanded()
{
LOAD_TREEVIEW("normaltreeview.qml");
// Check that the view only has one row loaded so far (the root of the tree)
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
// Expand the root
treeView->toggleExpanded(0);
WAIT_UNTIL_POLISHED;
// We now expect 5 rows, the root pluss it's 4 children
QCOMPARE(treeViewPrivate->loadedRows.count(), 5);
treeView->toggleExpanded(0);
WAIT_UNTIL_POLISHED;
// Check that the view only has one row loaded again (the root of the tree)
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
}
void tst_qquicktreeview::expandAndCollapseChildren()
{
// Check that we can expand and collapse children, and that
// the tree ends up with the expected rows
LOAD_TREEVIEW("normaltreeview.qml");
const int childCount = 4;
QSignalSpy expandedSpy(treeView, SIGNAL(expanded(int, int)));
// Expand the last child of a parent recursively four times
for (int level = 0; level < 4; ++level) {
const int nodeToExpand = level * childCount;
const int firstChildRow = nodeToExpand + 1; // (+ 1 for the root)
const int lastChildRow = firstChildRow + 4;
treeView->expand(nodeToExpand);
QCOMPARE(expandedSpy.size(), 1);
auto signalArgs = expandedSpy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == nodeToExpand);
QVERIFY(signalArgs.at(1).toInt() == 1);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), lastChildRow);
auto childItem1 = treeViewPrivate->loadedTableItem(QPoint(0, firstChildRow))->item;
QCOMPARE(childItem1->property("text").toString(), "0, 0");
auto childItem2 = treeViewPrivate->loadedTableItem(QPoint(0, firstChildRow + 1))->item;
QCOMPARE(childItem2->property("text").toString(), "1, 0");
auto childItem3 = treeViewPrivate->loadedTableItem(QPoint(0, firstChildRow + 2))->item;
QCOMPARE(childItem3->property("text").toString(), "2, 0");
}
// Collapse down from level 2 (deliberatly not mirroring the expansion by
// instead collapsing both level 3 and 4 in one go)
for (int level = 2; level > 0; --level) {
const int nodeToCollapse = level * childCount;
const int firstChildRow = nodeToCollapse - childCount + 1;
const int lastChildRow = nodeToCollapse + 1; // (+ 1 for the root)
treeView->collapse(nodeToCollapse);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), lastChildRow);
auto childItem1 = treeViewPrivate->loadedTableItem(QPoint(0, firstChildRow))->item;
QCOMPARE(childItem1->property("text").toString(), "0, 0");
auto childItem2 = treeViewPrivate->loadedTableItem(QPoint(0, firstChildRow + 1))->item;
QCOMPARE(childItem2->property("text").toString(), "1, 0");
auto childItem3 = treeViewPrivate->loadedTableItem(QPoint(0, firstChildRow + 2))->item;
QCOMPARE(childItem3->property("text").toString(), "2, 0");
}
// Collapse the root
treeView->collapse(0);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 1);
}
void tst_qquicktreeview::requiredPropertiesRoot()
{
LOAD_TREEVIEW("normaltreeview.qml");
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
const auto rootFxItem = treeViewPrivate->loadedTableItem(QPoint(0, 0));
QVERIFY(rootFxItem);
const auto rootItem = rootFxItem->item;
QVERIFY(rootItem);
const auto context = qmlContext(rootItem.data());
const auto viewProp = context->contextProperty("treeView").value<QQuickTreeView *>();
const auto isTreeNode = context->contextProperty("isTreeNode").toBool();
const auto expanded = context->contextProperty("expanded").toBool();
const auto hasChildren = context->contextProperty("hasChildren").toBool();
const auto depth = context->contextProperty("depth").toInt();
QCOMPARE(viewProp, treeView);
QCOMPARE(isTreeNode, true);
QCOMPARE(expanded, false);
QCOMPARE(hasChildren, true);
QCOMPARE(depth, 0);
treeView->expand(0);
WAIT_UNTIL_POLISHED;
const auto isExpandedAfterExpand = context->contextProperty("expanded").toBool();
QCOMPARE(isExpandedAfterExpand, true);
}
void tst_qquicktreeview::requiredPropertiesChildren()
{
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expand(0);
WAIT_UNTIL_POLISHED;
// We now expect 5 rows, the root pluss it's 4 children
QCOMPARE(treeViewPrivate->loadedRows.count(), 5);
// The last child has it's own children, so expand that one as well
const auto rootIndex = model->index(0, 0);
const int childCount = model->rowCount(rootIndex);
QCOMPARE(childCount, 4);
const auto lastChildIndex = model->index(childCount - 1, 0, rootIndex);
QVERIFY(lastChildIndex.isValid());
QCOMPARE(model->hasChildren(lastChildIndex), true);
treeView->expand(4);
WAIT_UNTIL_POLISHED;
// We now expect root + 4 children + 4 children = 9 rows
const int rowCount = treeViewPrivate->loadedRows.count();
QCOMPARE(rowCount, 9);
// Go through all rows in the view, except the root
for (int row = 1; row < rowCount; ++row) {
const auto childFxItem = treeViewPrivate->loadedTableItem(QPoint(0, row));
QVERIFY(childFxItem);
const auto childItem = childFxItem->item;
QVERIFY(childItem);
const auto context = qmlContext(childItem.data());
const auto viewProp = context->contextProperty("treeView").value<QQuickTreeView *>();
const auto isTreeNode = context->contextProperty("isTreeNode").toBool();
const auto expanded = context->contextProperty("expanded").toBool();
const auto hasChildren = context->contextProperty("hasChildren").toBool();
const auto depth = context->contextProperty("depth").toInt();
QCOMPARE(viewProp, treeView);
QCOMPARE(isTreeNode, true);
QCOMPARE(expanded, row == 4);
QCOMPARE(hasChildren, model->hasChildren(treeView->index(row, 0)));
QCOMPARE(depth, row <= 4 ? 1 : 2);
}
}
void tst_qquicktreeview::emptyModel()
{
// Check that you can assign an empty model, and that
// calling functions will work as expected (and at least not crash)
LOAD_TREEVIEW("normaltreeview.qml");
treeView->setModel(QVariant());
WAIT_UNTIL_POLISHED;
QCOMPARE(treeViewPrivate->loadedItems.size(), 0);
QCOMPARE(treeView->rows(), 0);
QCOMPARE(treeView->columns(), 0);
// Check that we don't crash:
treeView->expand(10);
treeView->collapse(5);
QCOMPARE(treeView->depth(0), -1);
QCOMPARE(treeView->isExpanded(0), false);
QVERIFY(!treeView->index(10, 10).isValid());
QCOMPARE(treeView->rowAtIndex(QModelIndex()), -1);
QCOMPARE(treeView->columnAtIndex(QModelIndex()), -1);
}
void tst_qquicktreeview::updatedModifiedModel()
{
// Check that if we change the data in the model, the
// delegate items get updated.
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expand(0);
WAIT_UNTIL_POLISHED;
// We now expect 5 rows, the root plus it's 4 children
QCOMPARE(treeViewPrivate->loadedRows.count(), 5);
auto rootFxItem = treeViewPrivate->loadedTableItem(QPoint(0, 0));
QVERIFY(rootFxItem);
auto rootItem = rootFxItem->item;
QVERIFY(rootItem);
QCOMPARE(rootItem->property("text"), "0, 0");
model->setData(model->index(0, 0), QVariant(QString("Changed")));
QCOMPARE(rootItem->property("text"), "Changed");
auto rootFxItemCol1 = treeViewPrivate->loadedTableItem(QPoint(1, 2));
QVERIFY(rootFxItemCol1);
auto rootItemCol1 = rootFxItemCol1->item;
QVERIFY(rootItemCol1);
QCOMPARE(rootItemCol1->property("text"), "1, 1");
model->setData(model->index(1, 1, model->index(0,0)), QVariant(QString("Changed")));
QCOMPARE(rootItemCol1->property("text"), "Changed");
}
void tst_qquicktreeview::insertRows()
{
// Check that if we add new rows to the model, TreeView gets updated
// to contain the new expected number of rows (flattened to a list)
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expand(0);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 5);
const QModelIndex rootNode = model->index(0, 0, QModelIndex());
model->insertRows(0, 2, rootNode);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 7);
auto childItem1 = treeViewPrivate->loadedTableItem(QPoint(0, 1))->item;
QCOMPARE(childItem1->property("text").toString(), "0, 0 (inserted)");
auto childItem2 = treeViewPrivate->loadedTableItem(QPoint(0, 2))->item;
QCOMPARE(childItem2->property("text").toString(), "1, 0 (inserted)");
auto childItem3 = treeViewPrivate->loadedTableItem(QPoint(0, 3))->item;
QCOMPARE(childItem3->property("text").toString(), "0, 0");
const QModelIndex indexOfInsertedChild = model->index(1, 0, rootNode);
model->insertRows(0, 2, indexOfInsertedChild);
treeView->expand(2);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 9);
}
void tst_qquicktreeview::expandChildPendingToBeVisible()
{
// Check that if we expand a row r1, and that row has a child r2 that can
// be expanded, we can continue to expand c2 immediately, even if r1 is
// still pending to be shown as expanded in the view.
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expand(0);
QVERIFY(treeView->isExpanded(0));
// The view has not yet been updated at this point to show
// the newly expanded children, so it still has only one row.
QCOMPARE(treeView->rows(), 1);
// ...but we still expand row 5, which is a child that has children
// in the proxy model
treeView->expand(4);
QVERIFY(treeView->isExpanded(4));
QCOMPARE(treeView->rows(), 1);
WAIT_UNTIL_POLISHED;
// Now the view have updated to show
// all the rows that has been expanded.
QCOMPARE(treeView->rows(), 9);
}
void tst_qquicktreeview::expandRecursivelyRoot_data()
{
QTest::addColumn<int>("rowToExpand");
QTest::addColumn<int>("depth");
QTest::newRow("0, -1") << 0 << -1;
QTest::newRow("0, 0") << 0 << 0;
QTest::newRow("0, 1") << 0 << 1;
QTest::newRow("0, 2") << 0 << 2;
}
void tst_qquicktreeview::expandRecursivelyRoot()
{
// Check that we can expand the root node (row 0), and that
// all its children are expanded recursively down to the
// given depth.
QFETCH(int, rowToExpand);
QFETCH(int, depth);
LOAD_TREEVIEW("normaltreeview.qml");
QSignalSpy spy(treeView, SIGNAL(expanded(int, int)));
treeView->expandRecursively(rowToExpand, depth);
if (depth == 0) {
QCOMPARE(spy.size(), 0);
} else {
QCOMPARE(spy.size(), 1);
const auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == rowToExpand);
QVERIFY(signalArgs.at(1).toInt() == depth);
}
WAIT_UNTIL_POLISHED;
const int rowToExpandDepth = treeView->depth(rowToExpand);
const int effectiveMaxDepth = depth != -1 ? rowToExpandDepth + depth : model->maxDepth();
if (depth > 0 || depth == -1)
QVERIFY(treeView->isExpanded(rowToExpand));
else
QVERIFY(!treeView->isExpanded(rowToExpand));
// Check that all rows after rowToExpand, that are also
// children of that row, is expanded (down to depth)
for (int currentRow = rowToExpand + 1; currentRow < treeView->rows(); ++currentRow) {
const auto modelIndex = treeView->index(currentRow, 0);
const int currentDepth = treeView->depth(currentRow);
const bool isChild = currentDepth > rowToExpandDepth;
const bool isExpandable = model->rowCount(modelIndex) > 0;
const bool shouldBeExpanded = isChild && isExpandable && currentDepth < effectiveMaxDepth;
QCOMPARE(treeView->isExpanded(currentRow), shouldBeExpanded);
}
}
void tst_qquicktreeview::expandRecursivelyChild_data()
{
QTest::addColumn<int>("rowToExpand");
QTest::addColumn<int>("depth");
QTest::newRow("5, -1") << 4 << -1;
QTest::newRow("5, 0") << 4 << 0;
QTest::newRow("5, 1") << 4 << 1;
QTest::newRow("5, 2") << 4 << 2;
QTest::newRow("5, 3") << 4 << 3;
}
void tst_qquicktreeview::expandRecursivelyChild()
{
// Check that we can first expand the root node, and the expand
// recursive the first child node with children (row 4), and that all
// its children of that node are expanded recursively according to depth.
QFETCH(int, rowToExpand);
QFETCH(int, depth);
LOAD_TREEVIEW("normaltreeview.qml");
QSignalSpy spy(treeView, SIGNAL(expanded(int, int)));
treeView->expand(0);
QCOMPARE(spy.size(), 1);
auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == 0);
QVERIFY(signalArgs.at(1).toInt() == 1);
treeView->expandRecursively(rowToExpand, depth);
if (depth == 0) {
QCOMPARE(spy.size(), 0);
} else {
QCOMPARE(spy.size(), 1);
signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == rowToExpand);
QVERIFY(signalArgs.at(1).toInt() == depth);
}
WAIT_UNTIL_POLISHED;
const bool rowToExpandDepth = treeView->depth(rowToExpand);
const int effectiveMaxDepth = depth != -1 ? rowToExpandDepth + depth : model->maxDepth();
// Check that none of the rows before rowToExpand are expanded
// (except the root node)
for (int currentRow = 1; currentRow < rowToExpand; ++currentRow)
QVERIFY(!treeView->isExpanded(currentRow));
// Check if rowToExpand is expanded
if (depth > 0 || depth == -1)
QVERIFY(treeView->isExpanded(rowToExpand));
else
QVERIFY(!treeView->isExpanded(rowToExpand));
// Check that any row after rowToExpand, that is also
// a child of that row, is expanded (down to depth)
for (int currentRow = rowToExpand + 1; currentRow < treeView->rows(); ++currentRow) {
const int currentDepth = treeView->depth(currentRow);
const bool isChild = currentDepth > rowToExpandDepth;
const auto modelIndex = treeView->index(currentRow, 0);
const bool isExpandable = model->rowCount(modelIndex) > 0;
const bool shouldBeExpanded = isChild && isExpandable && currentDepth < effectiveMaxDepth;
QCOMPARE(treeView->isExpanded(currentRow), shouldBeExpanded);
}
}
void tst_qquicktreeview::expandRecursivelyWholeTree()
{
// Check that we expand the whole tree recursively by passing -1, -1
LOAD_TREEVIEW("normaltreeview.qml");
QSignalSpy spy(treeView, SIGNAL(expanded(int, int)));
treeView->expandRecursively(-1, -1);
QCOMPARE(spy.size(), 1);
auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == -1);
QVERIFY(signalArgs.at(1).toInt() == -1);
WAIT_UNTIL_POLISHED;
// Check that all rows that have children are expanded
for (int currentRow = 0; currentRow < treeView->rows(); ++currentRow) {
const auto modelIndex = treeView->index(currentRow, 0);
const bool isExpandable = model->rowCount(modelIndex) > 0;
QCOMPARE(treeView->isExpanded(currentRow), isExpandable);
}
}
void tst_qquicktreeview::collapseRecursivelyRoot()
{
// Check that we can collapse the root node (row 0), and that
// all its children are collapsed recursively down to the leaves.
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expandRecursively();
WAIT_UNTIL_POLISHED;
// Verify that the tree is now fully expanded
// The number of rows should be the root, + 4 children per level. All parents
// (minus the root), will also have a node with 4 non-recursive children.
const int expectedRowCount = 1 + (model->maxDepth() * 8) - 4;
QCOMPARE(treeView->rows(), expectedRowCount);
QSignalSpy spy(treeView, SIGNAL(collapsed(int, bool)));
// Collapse the whole tree again. This time, only the root should end up visible
treeView->collapseRecursively();
QCOMPARE(spy.size(), 1);
const auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == -1);
QVERIFY(signalArgs.at(1).toBool() == true);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 1);
// We need to check that all descendants are collapsed as well. But since they're
// now no longer visible in the view, we need to expand each parent one by one again to make
// them visible, and check that the child inside that has children is still collapsed.
// We can do that by simply iterate over the rows in the view as we expand.
int currentRow = 0;
while (currentRow < treeView->rows()) {
const QModelIndex currentIndex = treeView->index(currentRow, 0);
if (model->hasChildren(currentIndex)) {
QVERIFY(!treeView->isExpanded(currentRow));
treeView->expand(currentRow);
WAIT_UNTIL_POLISHED;
}
currentRow++;
}
// Sanity check that we ended up with all rows expanded again
QCOMPARE(currentRow, expectedRowCount);
}
void tst_qquicktreeview::collapseRecursivelyChild()
{
// Check that we can collapse a child node (row 4), and that all its children
// are collapsed recursively down to the leaves (without touching the root).
LOAD_TREEVIEW("normaltreeview.qml");
treeView->expandRecursively();
WAIT_UNTIL_POLISHED;
// Verify that the tree is now fully expanded
// The number of rows should be the root, + 4 children per level. All parents
// (minus the root), will also have a node with 4 non-recursive children.
const int expectedRowCount = 1 + (model->maxDepth() * 8) - 4;
QCOMPARE(treeView->rows(), expectedRowCount);
QSignalSpy spy(treeView, SIGNAL(collapsed(int, bool)));
// Collapse the 8th child recursive
const int rowToCollapse = 8;
const QModelIndex collapseIndex = treeView->index(rowToCollapse, 0);
const auto expectedLabel = model->data(collapseIndex, Qt::DisplayRole);
QCOMPARE(expectedLabel, QStringLiteral("3, 0"));
treeView->collapseRecursively(rowToCollapse);
QCOMPARE(spy.size(), 1);
const auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == rowToCollapse);
QVERIFY(signalArgs.at(1).toBool() == true);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 9); // root + 4 children + 4 grand children of the 3rd row
// We need to check that all descendants are collapsed as well. But since they're
// now no longer visible in the view, we need to expand each parent one by one again to make
// them visible, and check that the child inside that has children is still collapsed.
// We can do that by simply iterate over the rows in the view as we expand.
int currentRow = 1; // start at first child
while (currentRow < treeView->rows()) {
const QModelIndex currentIndex = treeView->index(currentRow, 0);
if (model->hasChildren(currentIndex)) {
if (treeView->depth(currentRow) == 1 && currentIndex.row() == 2) {
// We did only recursively expand the 4th child, so the
// third should still be expanded
QVERIFY(treeView->isExpanded(currentRow));
} else {
QVERIFY(!treeView->isExpanded(currentRow));
treeView->expand(currentRow);
WAIT_UNTIL_POLISHED;
}
}
currentRow++;
}
// Sanity check that we ended up with all rows expanded again
QCOMPARE(currentRow, expectedRowCount);
}
void tst_qquicktreeview::collapseRecursivelyWholeTree()
{
// Check that we collapse the whole tree recursively by passing -1
LOAD_TREEVIEW("normaltreeview.qml");
QSignalSpy spy(treeView, SIGNAL(collapsed(int, bool)));
treeView->expandRecursively();
treeView->collapseRecursively();
QCOMPARE(spy.size(), 1);
auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == -1);
QVERIFY(signalArgs.at(1).toBool() == true);
WAIT_UNTIL_POLISHED;
QCOMPARE(treeView->rows(), 1); // root
}
void tst_qquicktreeview::expandToIndex()
{
// Check that expandToIndex(index) expands the tree so
// that index becomes visible in the view
LOAD_TREEVIEW("normaltreeview.qml");
QSignalSpy spy(treeView, SIGNAL(expanded(int, int)));
const QModelIndex root = model->index(0, 0);
const QModelIndex child1 = model->index(3, 0, root);
const QModelIndex child2 = model->index(3, 0, child1);
QVERIFY(model->hasChildren(root));
QVERIFY(model->hasChildren(child1));
QVERIFY(model->hasChildren(child2));
QVERIFY(!treeView->isExpanded(treeView->rowAtIndex(root)));
QVERIFY(!treeView->isExpanded(treeView->rowAtIndex(child1)));
QVERIFY(!treeView->isExpanded(treeView->rowAtIndex(child2)));
const QModelIndex childToExpand = model->index(1, 0, child2);
treeView->expandToIndex(childToExpand);
QVERIFY(treeView->isExpanded(treeView->rowAtIndex(root)));
QVERIFY(treeView->isExpanded(treeView->rowAtIndex(child1)));
QVERIFY(treeView->isExpanded(treeView->rowAtIndex(child2)));
QCOMPARE(spy.size(), 1);
auto signalArgs = spy.takeFirst();
QVERIFY(signalArgs.at(0).toInt() == 0);
QVERIFY(signalArgs.at(1).toInt() == 3);
WAIT_UNTIL_POLISHED;
// The view should now have 13 rows:
// root + 3 expanded nodes that each have 4 children
QCOMPARE(treeView->rows(), 13);
}
void tst_qquicktreeview::toggleExpandedUsingArrowKeys()
{
// Check that you can use the left and right arrow key to
// expand and collapse nodes in the tree.
LOAD_TREEVIEW("normaltreeview.qml");
treeView->setFocus(true);
QQuickWindow *window = treeView->window();
// Start by making cell 0, 0 current
treeView->selectionModel()->setCurrentIndex(treeView->index(0, 0), QItemSelectionModel::NoUpdate);
// Expand row 0
const int row0 = 0;
QCOMPARE(treeView->rows(), 1);
QVERIFY(!treeView->isExpanded(row0));
QTest::keyPress(window, Qt::Key_Right);
QVERIFY(treeView->isExpanded(row0));
// A polish event was scheduled, but since the call to keyPress() processes
// events, WAIT_UNTIL_POLISHED will be unreliable. So use QTRY_COMPARE instead.
QTRY_COMPARE(treeView->rows(), 5);
// Hitting Key_Right again should be a no-op
QTest::keyPress(window, Qt::Key_Right);
QVERIFY(treeView->isExpanded(row0));
QCOMPARE(treeView->selectionModel()->currentIndex(), treeView->index(row0, 0));
// Move down to row 1 and try to expand it. Since Row 1
// doesn't have children, expanding it will be a no-op.
// And also, it shouldn't move currentIndex to the next
// column either, it should stay in the tree column.
const int row1 = 1;
QVERIFY(!treeView->isExpanded(row1));
QTest::keyPress(window, Qt::Key_Down);
QTest::keyPress(window, Qt::Key_Right);
QVERIFY(!treeView->isExpanded(row1));
QCOMPARE(treeView->selectionModel()->currentIndex(), treeView->index(row1, 0));
// Move down to row 4 and expand it
const int row4 = 4;
QCOMPARE(treeView->rows(), 5);
while (treeView->currentRow() != row4)
QTest::keyPress(window, Qt::Key_Down);
QVERIFY(!treeView->isExpanded(row4));
QTest::keyPress(window, Qt::Key_Right);
QVERIFY(treeView->isExpanded(row4));
QCOMPARE(treeView->selectionModel()->currentIndex(), treeView->index(row4, 0));
// Move up again to row 0 and collapse it
while (treeView->currentRow() != row0)
QTest::keyPress(window, Qt::Key_Up);
QVERIFY(treeView->isExpanded(row0));
QTest::keyPress(window, Qt::Key_Left);
QVERIFY(!treeView->isExpanded(row0));
QTRY_COMPARE(treeView->rows(), 1);
// Hitting Key_Left again should be a no-op
QTest::keyPress(window, Qt::Key_Left);
QVERIFY(!treeView->isExpanded(row0));
QCOMPARE(treeView->selectionModel()->currentIndex(), treeView->index(row0, 0));
}
void tst_qquicktreeview::expandAndCollapsUsingDoubleClick()
{
LOAD_TREEVIEW("normaltreeview.qml");
// Check that the view only has one row loaded so far (the root of the tree)
QCOMPARE(treeViewPrivate->loadedRows.count(), 1);
// Expand the root by double clicking on the row
const auto item = treeView->itemAtIndex(treeView->index(0, 0));
QVERIFY(item);
const QPoint localPos = QPoint(item->width() / 2, item->height() / 2);
const QPoint pos = item->window()->contentItem()->mapFromItem(item, localPos).toPoint();
QTest::mouseDClick(item->window(), Qt::LeftButton, Qt::NoModifier, pos);
// We now expect 5 rows, the root pluss it's 4 children. Since
// mouseDClick calls processEvents(), it becomes random at this
// point if the view has been polished or not. So use QTRY_COMPARE.
QTRY_COMPARE(treeViewPrivate->loadedRows.count(), 5);
// Collapse the root again
QTest::mouseDClick(item->window(), Qt::LeftButton, Qt::NoModifier, pos);
QTRY_COMPARE(treeViewPrivate->loadedRows.count(), 1);
// If edit triggers has DoubleTapped set, we should
// start to edit instead of expanding.
treeView->setEditTriggers(QQuickTableView::DoubleTapped);
QTest::mouseDClick(item->window(), Qt::LeftButton, Qt::NoModifier, pos);
if (QQuickTest::qIsPolishScheduled(treeView))
QVERIFY(QQuickTest::qWaitForPolish(treeView));
QTRY_COMPARE(treeViewPrivate->loadedRows.count(), 1);
}
void tst_qquicktreeview::selectionBehaviorCells_data()
{
QTest::addColumn<QPoint>("startCell");
QTest::addColumn<QPoint>("endCellDist");
QTest::newRow("QPoint(0, 0), QPoint(0, 0)") << QPoint(0, 0) << QPoint(0, 0);
QTest::newRow("QPoint(0, 1), QPoint(0, 1)") << QPoint(0, 1) << QPoint(0, 1);
QTest::newRow("QPoint(0, 2), QPoint(0, 2)") << QPoint(0, 2) << QPoint(0, 2);
QTest::newRow("QPoint(2, 2), QPoint(0, 0)") << QPoint(2, 2) << QPoint(0, 0);
QTest::newRow("QPoint(2, 2), QPoint(1, 0)") << QPoint(2, 2) << QPoint(1, 0);
QTest::newRow("QPoint(2, 2), QPoint(2, 0)") << QPoint(2, 2) << QPoint(2, 0);
QTest::newRow("QPoint(2, 2), QPoint(-1, 0)") << QPoint(2, 2) << QPoint(-1, 0);
QTest::newRow("QPoint(2, 2), QPoint(-2, 0)") << QPoint(2, 2) << QPoint(-2, 0);
QTest::newRow("QPoint(2, 2), QPoint(0, 1)") << QPoint(2, 2) << QPoint(0, 1);
QTest::newRow("QPoint(2, 2), QPoint(0, 2)") << QPoint(2, 2) << QPoint(0, 2);
QTest::newRow("QPoint(2, 2), QPoint(0, -1)") << QPoint(2, 2) << QPoint(0, -1);
QTest::newRow("QPoint(2, 2), QPoint(0, -2)") << QPoint(2, 2) << QPoint(0, -2);
QTest::newRow("QPoint(2, 2), QPoint(1, 1)") << QPoint(2, 2) << QPoint(1, 1);
QTest::newRow("QPoint(2, 2), QPoint(1, 2)") << QPoint(2, 2) << QPoint(1, 2);
QTest::newRow("QPoint(2, 2), QPoint(1, -1)") << QPoint(2, 2) << QPoint(1, -1);
QTest::newRow("QPoint(2, 2), QPoint(1, -2)") << QPoint(2, 2) << QPoint(1, -2);
QTest::newRow("QPoint(2, 2), QPoint(-1, 1)") << QPoint(2, 2) << QPoint(-1, 1);
QTest::newRow("QPoint(2, 2), QPoint(-1, 2)") << QPoint(2, 2) << QPoint(-1, 2);
QTest::newRow("QPoint(2, 2), QPoint(-1, -1)") << QPoint(2, 2) << QPoint(-1, -1);
QTest::newRow("QPoint(2, 2), QPoint(-1, -2)") << QPoint(2, 2) << QPoint(-1, -2);
}
void tst_qquicktreeview::selectionBehaviorCells()
{
// Check that the TreeView implement the overridden updateSelection()
// function correctly wrt QQuickTableView::SelectCells.
QFETCH(QPoint, startCell);
QFETCH(QPoint, endCellDist);
LOAD_TREEVIEW("normaltreeview.qml");
const auto selectionModel = treeView->selectionModel();
treeView->expand(0);
WAIT_UNTIL_POLISHED;
QCOMPARE(selectionModel->hasSelection(), false);
treeView->setSelectionBehavior(QQuickTableView::SelectCells);
const QPoint endCell = startCell + endCellDist;
const QPoint endCellWrapped = startCell - endCellDist;
const QQuickItem *startItem = treeView->itemAtCell(startCell);
const QQuickItem *endItem = treeView->itemAtCell(endCell);
const QQuickItem *endItemWrapped = treeView->itemAtCell(endCellWrapped);
QVERIFY(startItem);
QVERIFY(endItem);
QVERIFY(endItemWrapped);
const QPointF startPos(startItem->x(), startItem->y());
const QPointF endPos(endItem->x(), endItem->y());
const QPointF endPosWrapped(endItemWrapped->x(), endItemWrapped->y());
treeViewPrivate->setSelectionStartPos(startPos);
treeViewPrivate->setSelectionEndPos(endPos);
QCOMPARE(selectionModel->hasSelection(), true);
const int x1 = qMin(startCell.x(), endCell.x());
const int x2 = qMax(startCell.x(), endCell.x());
const int y1 = qMin(startCell.y(), endCell.y());
const int y2 = qMax(startCell.y(), endCell.y());
for (int x = x1; x < x2; ++x) {
for (int y = y1; y < y2; ++y) {
const auto index = treeView->index(y, x);
QVERIFY(selectionModel->isSelected(index));
}
}
const int expectedCount = (x2 - x1 + 1) * (y2 - y1 + 1);
const int actualCount = selectionModel->selectedIndexes().size();
QCOMPARE(actualCount, expectedCount);
// Wrap the selection
treeViewPrivate->setSelectionEndPos(endPosWrapped);
for (int x = x2; x < x1; ++x) {
for (int y = y2; y < y1; ++y) {
const auto index = model->index(y, x);
QVERIFY(selectionModel->isSelected(index));
}
}
const int actualCountAfterWrap = selectionModel->selectedIndexes().size();
QCOMPARE(actualCountAfterWrap, expectedCount);
treeViewPrivate->clearSelection();
QCOMPARE(selectionModel->hasSelection(), false);
}
void tst_qquicktreeview::selectionBehaviorRows()
{
// Check that the TreeView implement the overridden updateSelection()
// function correctly wrt QQuickTableView::SelectionRows.
LOAD_TREEVIEW("normaltreeview.qml");
const auto selectionModel = treeView->selectionModel();
QCOMPARE(treeView->selectionBehavior(), QQuickTableView::SelectRows);
treeView->expand(0);
treeView->setInteractive(false);
WAIT_UNTIL_POLISHED;
QCOMPARE(selectionModel->hasSelection(), false);
// Drag from row 0 to row 3
treeViewPrivate->setSelectionStartPos(QPointF(0, 0));
treeViewPrivate->setSelectionEndPos(QPointF(80, 60));
QCOMPARE(selectionModel->hasSelection(), true);
const int expectedCount = treeView->columns() * 3; // all columns * three rows
int actualCount = selectionModel->selectedIndexes().size();
QCOMPARE(actualCount, expectedCount);
for (int x = 0; x < treeView->columns(); ++x) {
for (int y = 0; y < 3; ++y) {
const auto index = treeView->index(y, x);
QVERIFY(selectionModel->isSelected(index));
}
}
selectionModel->clear();
QCOMPARE(selectionModel->hasSelection(), false);
// Drag from row 3 to row 0 (and overshoot mouse)
treeViewPrivate->setSelectionStartPos(QPointF(80, 60));
treeViewPrivate->setSelectionEndPos(QPointF(-10, -10));
QCOMPARE(selectionModel->hasSelection(), true);
actualCount = selectionModel->selectedIndexes().size();
QCOMPARE(actualCount, expectedCount);
for (int x = 0; x < treeView->columns(); ++x) {
for (int y = 0; y < 3; ++y) {
const auto index = treeView->index(y, x);
QVERIFY(selectionModel->isSelected(index));
}
}
}
void tst_qquicktreeview::selectionBehaviorColumns()
{
// Check that the TreeView implement the overridden updateSelection()
// function correctly wrt QQuickTableView::SelectColumns.
LOAD_TREEVIEW("normaltreeview.qml");
const auto selectionModel = treeView->selectionModel();
treeView->setSelectionBehavior(QQuickTableView::SelectColumns);
treeView->expand(0);
WAIT_UNTIL_POLISHED;
QCOMPARE(selectionModel->hasSelection(), false);
// Drag from column 0 to column 3
treeViewPrivate->setSelectionStartPos(QPointF(0, 0));
treeViewPrivate->setSelectionEndPos(QPointF(225, 90));
QCOMPARE(selectionModel->hasSelection(), true);
const int expectedCount = treeView->rows() * 3; // all rows * three columns
int actualCount = selectionModel->selectedIndexes().size();
QCOMPARE(actualCount, expectedCount);
for (int x = 0; x < 3; ++x) {
for (int y = 0; y < treeView->rows(); ++y) {
const auto index = treeView->index(y, x);
QVERIFY(selectionModel->isSelected(index));
}
}
selectionModel->clear();
QCOMPARE(selectionModel->hasSelection(), false);
// Drag from column 3 to column 0 (and overshoot mouse)
treeViewPrivate->setSelectionStartPos(QPointF(225, 90));
treeViewPrivate->setSelectionEndPos(QPointF(-10, -10));
QCOMPARE(selectionModel->hasSelection(), true);
actualCount = selectionModel->selectedIndexes().size();
QCOMPARE(actualCount, expectedCount);
for (int x = 0; x < 3; ++x) {
for (int y = 0; y < treeView->rows(); ++y) {
const auto index = treeView->index(y, x);
QVERIFY(selectionModel->isSelected(index));
}
}
}
void tst_qquicktreeview::selectionBehaviorDisabled()
{
// Check that the TreeView implement the overridden updateSelection()
// function correctly wrt QQuickTableView::SelectionDisabled.
LOAD_TREEVIEW("normaltreeview.qml");
const auto selectionModel = treeView->selectionModel();
treeView->setSelectionBehavior(QQuickTableView::SelectionDisabled);
WAIT_UNTIL_POLISHED;
QCOMPARE(selectionModel->hasSelection(), false);
// Drag from column 0 to column 3
treeViewPrivate->setSelectionStartPos(QPointF(0, 0));
treeViewPrivate->setSelectionEndPos(QPointF(60, 60));
QCOMPARE(selectionModel->hasSelection(), false);
}
void tst_qquicktreeview::sortTreeModel_data()
{
QTest::addColumn<QSharedPointer<QAbstractItemModel>>("treeModel");
const auto stringList = QStringList() << "1" << "2" << "3";
QTest::newRow("TreeModel") << QSharedPointer<QAbstractItemModel>(new TestModel());
QTest::newRow("Number model") << QSharedPointer<QAbstractItemModel>(new QStringListModel(stringList));
}
void tst_qquicktreeview::sortTreeModel()
{
// Check that if you assign a QSortFilterProxyModel to to a TreeView, the
// view will end up sorted correctly if the proxy model is sorted.
QFETCH(QSharedPointer<QAbstractItemModel>, treeModel);
LOAD_TREEVIEW("normaltreeview.qml");
QSortFilterProxyModel proxyModel;
proxyModel.setSourceModel(treeModel.data());
treeView->setModel(QVariant::fromValue(&proxyModel));
// Expand some nodes
treeView->expand(0);
treeView->expand(4);
treeView->expand(3);
WAIT_UNTIL_POLISHED;
// Go through all rows in the view, and check that display in the model
// is the same as in the view. That means that QQmlTreeModelToTableModel
// and QSortFilterProxyModel are in sync.
for (int row = 0; row < treeView->rows(); ++row) {
const auto index = treeView->index(row, 0);
const QString modelDisplay = proxyModel.data(index, Qt::DisplayRole).toString();
const auto childFxItem = treeViewPrivate->loadedTableItem(QPoint(0, row));
QVERIFY(childFxItem);
const auto childItem = childFxItem->item;
QVERIFY(childItem);
const auto context = qmlContext(childItem.data());
const auto itemDisplay = context->contextProperty("display").toString();
QCOMPARE(itemDisplay, modelDisplay);
}
// Now sort the model, and do the same test again
proxyModel.sort(0, Qt::DescendingOrder);
WAIT_UNTIL_POLISHED;
for (int row = 0; row < treeView->rows(); ++row) {
const auto index = treeView->index(row, 0);
const QString modelDisplay = proxyModel.data(index, Qt::DisplayRole).toString();
const auto childFxItem = treeViewPrivate->loadedTableItem(QPoint(0, row));
QVERIFY(childFxItem);
const auto childItem = childFxItem->item;
QVERIFY(childItem);
const auto context = qmlContext(childItem.data());
const auto itemDisplay = context->contextProperty("display").toString();
QCOMPARE(itemDisplay, modelDisplay);
}
}
void tst_qquicktreeview::sortTreeModelDynamic_data()
{
QTest::addColumn<QSharedPointer<QAbstractItemModel>>("treeModel");
QTest::addColumn<int>("row");
const auto stringList = QStringList() << "1" << "2" << "3";
QTest::newRow("TreeModel 0") << QSharedPointer<QAbstractItemModel>(new TestModel()) << 0;
QTest::newRow("TreeModel 1") << QSharedPointer<QAbstractItemModel>(new TestModel()) << 1;
QTest::newRow("TreeModel 3") << QSharedPointer<QAbstractItemModel>(new TestModel()) << 3;
QTest::newRow("TreeModel 6") << QSharedPointer<QAbstractItemModel>(new TestModel()) << 6;
QTest::newRow("Number model") << QSharedPointer<QAbstractItemModel>(new QStringListModel(stringList)) << 1;
}
void tst_qquicktreeview::sortTreeModelDynamic()
{
// Check that if you assign a QSortFilterProxyModel to a TreeView, and
// set DynamicSortFilter to true, the view will end up sorted correctly
// if you change the text for one of the items.
QFETCH(QSharedPointer<QAbstractItemModel>, treeModel);
QFETCH(int, row);
LOAD_TREEVIEW("normaltreeview.qml");
QSortFilterProxyModel proxyModel;
proxyModel.setSourceModel(treeModel.data());
proxyModel.setDynamicSortFilter(true);
proxyModel.sort(Qt::AscendingOrder);
treeView->setModel(QVariant::fromValue(&proxyModel));
// Expand some nodes
treeView->expand(0);
treeView->expand(4);
treeView->expand(3);
// Go through all rows in the view, and check that display in the model
// is the same as in the view. That means that QQmlTreeModelToTableModel
// and QSortFilterProxyModel are in sync.
for (int row = 0; row < treeView->rows(); ++row) {
const auto index = treeView->index(row, 0);
const QString modelDisplay = proxyModel.data(index, Qt::DisplayRole).toString();
const auto childFxItem = treeViewPrivate->loadedTableItem(QPoint(0, row));
QVERIFY(childFxItem);
const auto childItem = childFxItem->item;
QVERIFY(childItem);
const auto context = qmlContext(childItem.data());
const auto itemDisplay = context->contextProperty("display").toString();
QCOMPARE(itemDisplay, modelDisplay);
}
// Now change the text in one of the items. This will trigger
// a sort for only one of the parents in the model.
proxyModel.setData(treeView->index(row, 0), u"xxx"_s, Qt::DisplayRole);
for (int row = 0; row < treeView->rows(); ++row) {
const auto index = treeView->index(row, 0);
const QString modelDisplay = proxyModel.data(index, Qt::DisplayRole).toString();
const auto childFxItem = treeViewPrivate->loadedTableItem(QPoint(0, row));
QVERIFY(childFxItem);
const auto childItem = childFxItem->item;
QVERIFY(childItem);
const auto context = qmlContext(childItem.data());
const auto itemDisplay = context->contextProperty("display").toString();
QCOMPARE(itemDisplay, modelDisplay);
}
}
QTEST_MAIN(tst_qquicktreeview)
#include "tst_qquicktreeview.moc"
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