Wizards: add IconListField

- reuse some code from ComboBoxField throw an abstract ListField class
 - ListField can handle more data like: icon, trToolTip
 - fix disabledIndex in ComboBoxField
 - adjust documentation

Change-Id: I00b6ab787fb2fad97dafff32786cf73c636c772d
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

doc/src/projects/creator-projects-custom-wizards-json.qdoc

@@ -730,7 +730,10 @@
 
     \endlist
 
-    \section2 Combo Box
+    \section2 List
+
+    \note The Combo Box and Icon List types are both variations of the List type,
+          and therefore they can have the same properties.
 
     \code
     {
@@ -744,19 +747,36 @@
         }
     },
     \endcode
+    or
+    \code
+    {
+        "name": "ChosenBuildSystem",
+        "trDisplayName": "Choose your build system:",
+        "type": "IconList",
+        "data":
+        {
+            "items": [
+                { "trKey": "Qbs", "value": "qbs", "icon": "qbs_icon.png", "trToolTip": "Building with Qbs." },
+                { "trKey": "QMake", "value": "qmake", "icon": "qmake_icon.png", "trToolTip": "Building with QMake." }
+            ]
+        }
+    },
+    \endcode
 
     \list
 
-        \li \c items specifies a list of items to put into the combo box. The
+        \li \c items specifies a list of items to put into the list type. The
-            list can contain both JSON objects and plain strings. For JSON
+            list can contain both JSON objects and plain strings.
-            objects, define \c trKey and \c value pairs, where the \c trKey is
+            For JSON objects, define \c trKey and \c value pairs, where the
-            the list item visible to users and \c value contains the data
+            \c trKey is the list item visible to users and \c value contains
-            associated with the item.
+            the data associated with the item.
+            In addition, you can use \c icon to specify an icon for the list
+            item and \c trToolTip to specify a tooltip for it.
 
-        \li \c index specifies the index to select when the combo box is
+        \li \c index specifies the index to select when the list type is
             enabled. By default, it is set to \c 0.
 
-        \li \c disabledIndex specifies the index to show if the combo box is
+        \li \c disabledIndex specifies the index to show if the list type is
             disabled.
 
     \endlist

src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp

@@ -33,9 +33,9 @@
 #include <utils/fancylineedit.h>
 #include <utils/qtcassert.h>
 #include <utils/stringutils.h>
-#include <utils/textfieldcombobox.h>
 #include <utils/theme/theme.h>
 
+#include <QComboBox>
 #include <QCheckBox>
 #include <QApplication>
 #include <QDebug>
@@ -46,6 +46,10 @@
 #include <QVariant>
 #include <QVariantMap>
 #include <QVBoxLayout>
+#include <QListView>
+#include <QStandardItem>
+#include <QItemSelectionModel>
+#include <QDir>
 
 using namespace Utils;
 
@@ -792,49 +796,52 @@ void CheckBoxField::initializeData(MacroExpander *expander)
 }
 
 // --------------------------------------------------------------------
-// ComboBoxFieldData:
+// ListFieldData:
 // --------------------------------------------------------------------
 
-struct ComboBoxItem {
+std::unique_ptr<QStandardItem> createStandardItemFromListItem(const QVariant &item, QString *errorMessage)
-    ComboBoxItem(const QString &k = QString(), const QString &v = QString(), const QVariant &c = true) :
-        key(k), value(v), condition(c)
-    { }
-
-    QString key;
-    QString value;
-    QVariant condition;
-};
-
-ComboBoxItem parseComboBoxItem(const QVariant &item, QString *errorMessage)
 {
     if (item.type() == QVariant::List) {
         *errorMessage  = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                     "No lists allowed inside ComboBox items list.");
+                                                     "No JSON lists allowed inside List items.");
-        return ComboBoxItem();
+        return {};
-    } else if (item.type() == QVariant::Map) {
+    }
+    auto standardItem = std::make_unique<QStandardItem>();
+    if (item.type() == QVariant::Map) {
         QVariantMap tmp = item.toMap();
-        QString key = JsonWizardFactory::localizedString(consumeValue(tmp, QLatin1String("trKey"), QString()).toString());
+        const QString key = JsonWizardFactory::localizedString(consumeValue(tmp, "trKey", QString()).toString());
-        QString value = consumeValue(tmp, QLatin1String("value"), QString()).toString();
+        const QString value = consumeValue(tmp, "value", key).toString();
-        QVariant condition = consumeValue(tmp, QLatin1String("condition"), true);
+
         if (key.isNull() || key.isEmpty()) {
             *errorMessage  = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                         "No \"key\" found in ComboBox items.");
+                                                         "No \"key\" found in List items.");
-            return ComboBoxItem();
+            return {};
         }
-        if (value.isNull())
+        standardItem->setText(key);
-            value = key;
+        standardItem->setData(value, ListField::ValueRole);
-        return ComboBoxItem(key, value, condition);
+        standardItem->setData(consumeValue(tmp, "condition", true), ListField::ConditionRole);
+        standardItem->setData(consumeValue(tmp, "icon"), ListField::IconStringRole);
+        standardItem->setToolTip(JsonWizardFactory::localizedString(consumeValue(tmp, "trToolTip", QString()).toString()));
+        warnAboutUnsupportedKeys(tmp, QString(), "List");
     } else {
-        QString keyvalue = item.toString();
+        const QString keyvalue = item.toString();
-        return ComboBoxItem(keyvalue, keyvalue);
+        standardItem->setText(keyvalue);
+        standardItem->setData(keyvalue, ListField::ValueRole);
+        standardItem->setData(true, ListField::ConditionRole);
     }
+    return standardItem;
 }
 
-bool ComboBoxField::parseData(const QVariant &data, QString *errorMessage)
+ListField::ListField() = default;
+
+ListField::~ListField() = default;
+
+bool ListField::parseData(const QVariant &data, QString *errorMessage)
 {
     if (data.type() != QVariant::Map) {
         *errorMessage = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                    "ComboBox data is not an object.");
+                                                    "%1(\"%2\") data is not an object.")
+                .arg(type(), name());
         return false;
     }
 
@@ -844,118 +851,235 @@ bool ComboBoxField::parseData(const QVariant &data, QString *errorMessage)
     m_index = consumeValue(tmp, "index", 0).toInt(&ok);
     if (!ok) {
         *errorMessage = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                    "ComboBox(\"%1\") \"index\" is not an integer value.")
+                                                    "%1(\"%2\") \"index\" is not an integer value.")
-                .arg(name());
+                .arg(type(), name());
         return false;
     }
     m_disabledIndex = consumeValue(tmp, "disabledIndex", -1).toInt(&ok);
     if (!ok) {
         *errorMessage = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                    "ComboBox(\"%1\") \"disabledIndex\" is not an integer value.")
+                                                    "%1(\"%2\") \"disabledIndex\" is not an integer value.")
-                .arg(name());
+                .arg(type(), name());
         return false;
     }
 
-    QVariant value = consumeValue(tmp, "items");
+    const QVariant value = consumeValue(tmp, "items");
     if (value.isNull()) {
         *errorMessage = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                    "ComboBox(\"%1\") \"items\" missing.")
+                                                    "%1(\"%2\") \"items\" missing.")
-                .arg(name());
+                .arg(type(), name());
         return false;
     }
     if (value.type() != QVariant::List) {
         *errorMessage = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                    "ComboBox(\"%1\") \"items\" is not a list.")
+                                                    "%1(\"%2\") \"items\" is not a JSON list.")
-                .arg(name());
+                .arg(type(), name());
         return false;
     }
 
-    foreach (const QVariant &i, value.toList()) {
+    for (const QVariant &i : value.toList()) {
-        ComboBoxItem keyValue = parseComboBoxItem(i, errorMessage);
+        std::unique_ptr<QStandardItem> item = createStandardItemFromListItem(i, errorMessage);
-        if (keyValue.key.isNull())
+        QString test = item->text();
-            return false; // an error happened...
+        QTC_ASSERT(!item || !item->text().isEmpty(), continue);
-        m_itemList.append(keyValue.key);
+        m_itemList.emplace_back(std::move(item));
-        m_itemDataList.append(keyValue.value);
-        m_itemConditionList.append(keyValue.condition);
     }
 
-    if (m_itemConditionList.count() != m_itemDataList.count()
-            || m_itemConditionList.count() != m_itemList.count()) {
-        m_itemConditionList.clear();
-        m_itemDataList.clear();
-        m_itemList.clear();
-        *errorMessage = QCoreApplication::translate("ProjectExplorer::JsonFieldPage",
-                                                    "Internal Error: ComboBox(\"%1\") items lists got mixed up.")
-                .arg(name());
-        return false;
-    }
     warnAboutUnsupportedKeys(tmp, name(), type());
     return true;
 }
 
-QWidget *ComboBoxField::createWidget(const QString &displayName, JsonFieldPage *page)
-{
-    Q_UNUSED(displayName);
-    Q_UNUSED(page);
-    return new TextFieldComboBox;
-}
 
-void ComboBoxField::setup(JsonFieldPage *page, const QString &name)
+bool ListField::validate(MacroExpander *expander, QString *message)
-{
-    auto w = qobject_cast<TextFieldComboBox *>(widget());
-    QTC_ASSERT(w, return);
-    page->registerFieldWithName(name, w, "indexText", SIGNAL(text4Changed(QString)));
-    QObject::connect(w, &TextFieldComboBox::text4Changed,
-                     page, [page](QString) { page->completeChanged(); });
-}
-
-bool ComboBoxField::validate(MacroExpander *expander, QString *message)
 {
     if (!JsonFieldPage::Field::validate(expander, message))
         return false;
 
-    auto w = qobject_cast<TextFieldComboBox *>(widget());
+    updateIndex();
-    QTC_ASSERT(w, return false);
+    if (selectionModel()->hasSelection())
-    if (!w->isEnabled() && m_disabledIndex >= 0 && m_savedIndex < 0) {
+        return true;
-        m_savedIndex = w->currentIndex();
+    return false;
-        w->setCurrentIndex(m_disabledIndex);
-    } else if (w->isEnabled() && m_savedIndex >= 0) {
-        w->setCurrentIndex(m_savedIndex);
-        m_savedIndex = -1;
 }
 
-    return true;
+void ListField::initializeData(MacroExpander *expander)
+{
+    QTC_ASSERT(widget(), return);
+
+    QStandardItem *currentItem = m_index >= 0 ? m_itemList[uint(m_index)].get() : nullptr;
+    QList<QStandardItem*> expandedValuesItems;
+    expandedValuesItems.reserve(int(m_itemList.size()));
+
+    QSize maxIconSize;
+
+    for (const std::unique_ptr<QStandardItem> &item : m_itemList) {
+        bool condition = JsonWizard::boolFromVariant(item->data(ConditionRole), expander);
+        if (!condition)
+            continue;
+        QStandardItem *expandedValuesItem = item->clone();
+        if (item.get() == currentItem)
+            currentItem = expandedValuesItem;
+        expandedValuesItem->setText(expander->expand(item->text()));
+        expandedValuesItem->setData(expander->expand(item->data(ValueRole).toString()), ValueRole);
+        expandedValuesItem->setData(expander->expand(item->data(IconStringRole).toString()), IconStringRole);
+        expandedValuesItem->setData(condition, ConditionRole);
+
+        QString iconPath = expandedValuesItem->data(IconStringRole).toString();
+        if (!iconPath.isEmpty()) {
+            if (JsonFieldPage *page = qobject_cast<JsonFieldPage*>(widget()->parentWidget())) {
+                const QString wizardDirectory = page->value("WizardDir").toString();
+                iconPath = QDir::cleanPath(QDir(wizardDirectory).absoluteFilePath(iconPath));
+                if (QFileInfo::exists(iconPath)) {
+                    QIcon icon(iconPath);
+                    expandedValuesItem->setIcon(icon);
+                    addPossibleIconSize(icon);
+                } else {
+                    qWarning().noquote() << QString("Icon file \"%1\" not found.").arg(QDir::toNativeSeparators(iconPath));
+                }
+            } else {
+                qWarning().noquote() <<  QString("%1(\"%2\") has no parentWidget JsonFieldPage to get the icon path.").arg(type(), name());
+            }
+        }
+        expandedValuesItems.append(expandedValuesItem);
+    }
+
+    itemModel()->clear();
+    itemModel()->appendColumn(expandedValuesItems); // inserts the first column
+
+    selectionModel()->setCurrentIndex(itemModel()->indexFromItem(currentItem), QItemSelectionModel::ClearAndSelect);
+
+    updateIndex();
+}
+
+QStandardItemModel *ListField::itemModel()
+{
+    if (!m_itemModel)
+        m_itemModel = new QStandardItemModel(widget());
+    return m_itemModel;
+}
+
+QItemSelectionModel *ListField::selectionModel()
+{
+    return m_selectionModel;
+}
+
+void ListField::setSelectionModel(QItemSelectionModel *selectionModel)
+{
+    m_selectionModel = selectionModel;
+}
+
+QSize ListField::maxIconSize()
+{
+    return m_maxIconSize;
+}
+
+void ListField::addPossibleIconSize(const QIcon &icon)
+{
+    const QSize iconSize = icon.availableSizes().value(0);
+    if (iconSize.height() > m_maxIconSize.height())
+        m_maxIconSize = iconSize;
+}
+
+void ListField::updateIndex()
+{
+    if (!widget()->isEnabled() && m_disabledIndex >= 0 && m_savedIndex < 0) {
+        m_savedIndex = selectionModel()->currentIndex().row();
+        selectionModel()->setCurrentIndex(itemModel()->index(m_disabledIndex, 0), QItemSelectionModel::ClearAndSelect);
+    } else if (widget()->isEnabled() && m_savedIndex >= 0) {
+        selectionModel()->setCurrentIndex(itemModel()->index(m_savedIndex, 0), QItemSelectionModel::ClearAndSelect);
+        m_savedIndex = -1;
+    }
+}
+
+void ComboBoxField::setup(JsonFieldPage *page, const QString &name)
+{
+    auto w = qobject_cast<QComboBox*>(widget());
+    QTC_ASSERT(w, return);
+    w->setModel(itemModel());
+    w->setInsertPolicy(QComboBox::NoInsert);
+
+    QSizePolicy s = w->sizePolicy();
+    s.setHorizontalPolicy(QSizePolicy::Expanding);
+    w->setSizePolicy(s);
+
+    setSelectionModel(w->view()->selectionModel());
+
+    // the selectionModel does not behave like expected and wanted - so we block signals here
+    // (for example there was some losing focus thing when hovering over items, ...)
+    selectionModel()->blockSignals(true);
+    QObject::connect(w, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated), [w, this](int index) {
+        w->blockSignals(true);
+        selectionModel()->clearSelection();
+
+        selectionModel()->blockSignals(false);
+        selectionModel()->setCurrentIndex(w->model()->index(index, 0),
+            QItemSelectionModel::ClearAndSelect);
+        selectionModel()->blockSignals(true);
+        w->blockSignals(false);
+    });
+    page->registerObjectAsFieldWithName<QItemSelectionModel>(name, selectionModel(), &QItemSelectionModel::selectionChanged, [this]() {
+        const QModelIndex i = selectionModel()->currentIndex();
+        if (i.isValid())
+            return i.data(ValueRole).toString();
+        return QString();
+    });
+    QObject::connect(selectionModel(), &QItemSelectionModel::selectionChanged, page, [page]() {
+        emit page->completeChanged();
+    });
+}
+
+QWidget *ComboBoxField::createWidget(const QString & /*displayName*/, JsonFieldPage * /*page*/)
+{
+    return new QComboBox;
 }
 
 void ComboBoxField::initializeData(MacroExpander *expander)
 {
-    auto w = qobject_cast<TextFieldComboBox *>(widget());
+    ListField::initializeData(expander);
-    QTC_ASSERT(widget(), return);
+    // refresh also the current text of the combobox
-    QStringList tmpItems
+    auto w = qobject_cast<QComboBox*>(widget());
-            = Utils::transform(m_itemList,
+    w->setCurrentIndex(selectionModel()->currentIndex().row());
-                               [expander](const QString &i) { return expander->expand(i); });
-    QStringList tmpData
-            = Utils::transform(m_itemDataList,
-                               [expander](const QString &i) { return expander->expand(i); });
-    QList<bool> tmpConditions
-            = Utils::transform(m_itemConditionList,
-                               [expander](const QVariant &v) { return JsonWizard::boolFromVariant(v, expander); });
-
-    int index = m_index;
-    for (int i = tmpConditions.count() - 1; i >= 0; --i) {
-        if (!tmpConditions.at(i)) {
-            tmpItems.removeAt(i);
-            tmpData.removeAt(i);
-            if (i < index && index > 0)
-                --index;
-        }
 }
 
-    if (index < 0 || index >= tmpData.count())
+void IconListField::setup(JsonFieldPage *page, const QString &name)
-        index = 0;
+{
-    w->setItems(tmpItems, tmpData);
+    auto w = qobject_cast<QListView*>(widget());
-    w->setInsertPolicy(QComboBox::NoInsert);
+    QTC_ASSERT(w, return);
-    w->setCurrentIndex(index);
+
+    w->setViewMode(QListView::IconMode);
+    w->setMovement(QListView::Static);
+    w->setResizeMode(QListView::Adjust);
+    w->setSelectionRectVisible(false);
+    w->setWrapping(true);
+    w->setWordWrap(true);
+
+    w->setModel(itemModel());
+    setSelectionModel(w->selectionModel());
+    page->registerObjectAsFieldWithName<QItemSelectionModel>(name, selectionModel(), &QItemSelectionModel::selectionChanged, [this]() {
+        const QModelIndex i = selectionModel()->currentIndex();
+        if (i.isValid())
+            return i.data(ValueRole).toString();
+        return QString();
+    });
+    QObject::connect(selectionModel(), &QItemSelectionModel::selectionChanged, page, [page]() {
+        page->completeChanged();
+    });
+}
+
+QWidget *IconListField::createWidget(const QString & /*displayName*/, JsonFieldPage * /*page*/)
+{
+    return new QListView;
+}
+
+void IconListField::initializeData(MacroExpander *expander)
+{
+    ListField::initializeData(expander);
+    auto w = qobject_cast<QListView*>(widget());
+    const int spacing = 4;
+    w->setSpacing(spacing);
+    w->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    // adding a third hight of the icon to see following items if there are some
+    w->setMinimumHeight(maxIconSize().height() + maxIconSize().height() / 3);
+    w->setIconSize(maxIconSize());
 }
 
 // --------------------------------------------------------------------

src/plugins/projectexplorer/jsonwizard/jsonfieldpage.h

@@ -42,7 +42,6 @@ QT_END_NAMESPACE
 
 namespace Utils {
 class MacroExpander;
-class TextFieldComboBox;
 } // namespace Utils
 
 namespace ProjectExplorer {

src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h

@@ -32,6 +32,16 @@
 #include <QWidget>
 #include <QString>
 #include <QVariant>
+#include <QDir>
+
+#include <memory>
+#include <vector>
+
+QT_BEGIN_NAMESPACE
+class QStandardItem;
+class QStandardItemModel;
+class QItemSelectionModel;
+QT_END_NAMESPACE
 
 namespace ProjectExplorer {
 
@@ -170,25 +180,58 @@ private:
     bool m_isModified = false;
 };
 
-class ComboBoxField : public JsonFieldPage::Field
+class ListField : public JsonFieldPage::Field
 {
-private:
+public:
+    enum SpecialRoles {
+        ValueRole = Qt::UserRole,
+        ConditionRole = Qt::UserRole + 1,
+        IconStringRole = Qt::UserRole + 2
+    };
+    ListField();
+    virtual ~ListField() override;
+
+    protected:
     bool parseData(const QVariant &data, QString *errorMessage) override;
 
-    QWidget *createWidget(const QString &displayName, JsonFieldPage *page) override;
+    QWidget *createWidget(const QString &displayName, JsonFieldPage *page) override = 0;
-
+    void setup(JsonFieldPage *page, const QString &name) override = 0;
-    void setup(JsonFieldPage *page, const QString &name) override;
 
     bool validate(Utils::MacroExpander *expander, QString *message) override;
     void initializeData(Utils::MacroExpander *expander) override;
+    QStandardItemModel *itemModel();
+    QItemSelectionModel *selectionModel();
+    void setSelectionModel(QItemSelectionModel *selectionModel);
+    QSize maxIconSize();
 
-    QStringList m_itemList;
+private:
-    QStringList m_itemDataList;
+    void addPossibleIconSize(const QIcon &icon);
-    QVariantList m_itemConditionList;
+    void updateIndex();
+
+    std::vector<std::unique_ptr<QStandardItem>> m_itemList;
+    QStandardItemModel *m_itemModel = nullptr;
+    QItemSelectionModel *m_selectionModel = nullptr;
     int m_index = -1;
     int m_disabledIndex = -1;
+    QSize m_maxIconSize;
 
     mutable int m_savedIndex = -1;
 };
 
+class ComboBoxField : public ListField
+{
+public:
+    void setup(JsonFieldPage *page, const QString &name) override;
+    QWidget *createWidget(const QString &displayName, JsonFieldPage *page) override;
+    void initializeData(Utils::MacroExpander *expander) override;
+};
+
+class IconListField : public ListField
+{
+public:
+    void setup(JsonFieldPage *page, const QString &name) override;
+    QWidget *createWidget(const QString &displayName, JsonFieldPage *page) override;
+    void initializeData(Utils::MacroExpander *expander) override;
+};
+
 } // namespace ProjectExplorer

src/plugins/projectexplorer/jsonwizard/jsonwizard_test.cpp

@@ -34,6 +34,7 @@
 #include <QCheckBox>
 #include <QLineEdit>
 #include <QComboBox>
+#include <QListView>
 
 #include <functional>
 namespace {
@@ -209,8 +210,8 @@ void ProjectExplorer::ProjectExplorerPlugin::testJsonWizardsLineEdit()
 void ProjectExplorer::ProjectExplorerPlugin::testJsonWizardsComboBox()
 {
     QString errorMessage;
-
     QWidget parent;
+
     const QJsonArray items({"abc", "cde", "fgh"});
     QJsonObject disabledComboBoxObject = createWidget("ComboBox", "Disabled", QJsonObject({ {{"disabledIndex", 2}, {"items", items}} }));
     disabledComboBoxObject.insert("enabled", false);
@@ -228,6 +229,8 @@ void ProjectExplorer::ProjectExplorerPlugin::testJsonWizardsComboBox()
 
     QComboBox *defaultComboBox = findComboBox(wizard, "Default");
     QVERIFY(defaultComboBox);
+    QCOMPARE(defaultComboBox->count(), items.count());
+    QCOMPARE(qPrintable(defaultComboBox->currentText()), "abc");
 
     defaultComboBox->setCurrentIndex(2);
     QCOMPARE(qPrintable(defaultComboBox->currentText()), "fgh");
@@ -238,7 +241,49 @@ void ProjectExplorer::ProjectExplorerPlugin::testJsonWizardsComboBox()
 
     QComboBox *disabledComboBox = findComboBox(wizard, "Disabled");
     QVERIFY(disabledComboBox);
-    QEXPECT_FAIL("", "This is wrong, since ComboBox got condition items", Continue);
     QCOMPARE(qPrintable(disabledComboBox->currentText()), "fgh");
-
+}
+
+void ProjectExplorer::ProjectExplorerPlugin::testJsonWizardsIconList()
+{
+    QString errorMessage;
+    QWidget parent;
+
+    const QJsonArray items({
+        QJsonObject{
+           {"trKey", "item no1"},
+           {"condition", true},
+           {"icon", "../share/qtcreator/templates/wizards/qtquickstyleicons/default.png"}
+
+        },
+        QJsonObject{
+           {"trKey", "item no2"},
+           {"condition", false},
+           {"icon", "not_existing_path"}
+
+        },
+        QJsonObject{
+            {"trKey", "item no3"},
+            {"condition", true},
+            {"trToolTip", "MyToolTip"},
+            {"icon", "../share/qtcreator/templates/wizards/qtquickstyleicons/default.png"}
+        }
+    });
+
+    const QJsonArray widgets({
+        createWidget("IconList", "Fancy", QJsonObject{{"index", -1}, {"items", items}})
+    });
+
+    const QJsonObject pages = createFieldPageJsonObject(widgets);
+    const QJsonObject wizardObject = createGeneralWizard(pages);
+    JsonWizardFactory *factory = ProjectExplorer::JsonWizardFactory::createWizardFactory(wizardObject.toVariantMap(), QDir(), &errorMessage);
+    QVERIFY2(factory, qPrintable(errorMessage));
+    Utils::Wizard *wizard = factory->runWizard(QString(), &parent, Core::Id(), QVariantMap());
+
+    auto view = wizard->findChild<QListView *>("FancyIconList");
+    QCOMPARE(view->model()->rowCount(), 2);
+    QVERIFY(view->model()->index(0,0).data(Qt::DecorationRole).canConvert<QIcon>());
+    QIcon icon = view->model()->index(0,0).data(Qt::DecorationRole).value<QIcon>();
+    QVERIFY(!icon.isNull());
+    QVERIFY(!wizard->page(0)->isComplete());
 }

src/plugins/projectexplorer/jsonwizard/jsonwizardpagefactory_p.cpp

@@ -57,6 +57,7 @@ FieldPageFactory::FieldPageFactory()
     JsonFieldPage::registerFieldFactory(QLatin1String("PathChooser"), []() { return new PathChooserField; });
     JsonFieldPage::registerFieldFactory(QLatin1String("CheckBox"), []() { return new CheckBoxField; });
     JsonFieldPage::registerFieldFactory(QLatin1String("ComboBox"), []() { return new ComboBoxField; });
+    JsonFieldPage::registerFieldFactory(QLatin1String("IconList"), []() { return new IconListField; });
 }
 
 Utils::WizardPage *FieldPageFactory::create(JsonWizard *wizard, Core::Id typeId, const QVariant &data)

src/plugins/projectexplorer/projectexplorer.h

@@ -189,6 +189,7 @@ private slots:
     void testJsonWizardsCheckBox();
     void testJsonWizardsLineEdit();
     void testJsonWizardsComboBox();
+    void testJsonWizardsIconList();
 
     void testAnsiFilterOutputParser_data();
     void testAnsiFilterOutputParser();