1 files changed, 124 insertions, 0 deletions
diff --git a/src/quicktemplates/qquicktumbler_p_p.h b/src/quicktemplates/qquicktumbler_p_p.h
new file mode 100644
index 0000000000..70a611bf0f
--- /dev/null
+++ b/src/quicktemplates/qquicktumbler_p_p.h
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+// Copyright (C) 2017 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
+
+#ifndef QQUICKTUMBLER_P_P_H
+#define QQUICKTUMBLER_P_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtQuickTemplates2/private/qquickcontrol_p_p.h>
+#include <QtQuickTemplates2/private/qquicktumbler_p.h>
+
+#include <QtCore/qpointer.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_QUICKTEMPLATES2_EXPORT QQuickTumblerPrivate : public QQuickControlPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickTumbler)
+
+public:
+    enum ContentItemType {
+        NoContentItem,
+        UnsupportedContentItemType,
+        PathViewContentItem,
+        ListViewContentItem
+    };
+
+    QQuickItem *determineViewType(QQuickItem *contentItem);
+    void resetViewData();
+    QList<QQuickItem *> viewContentItemChildItems() const;
+
+    static QQuickTumblerPrivate *get(QQuickTumbler *tumbler);
+
+    QPalette defaultPalette() const override;
+
+    QVariant model;
+    QQmlComponent *delegate = nullptr;
+    int visibleItemCount = 5;
+    bool wrap = true;
+    bool explicitWrap = false;
+    bool modelBeingSet = false;
+    bool currentIndexSetDuringModelChange = false;
+    QQuickItem *view = nullptr;
+    QQuickItem *viewContentItem = nullptr;
+    ContentItemType viewContentItemType = UnsupportedContentItemType;
+    union {
+        qreal viewOffset; // PathView
+        qreal viewContentY; // ListView
+    };
+    int currentIndex = -1;
+    int pendingCurrentIndex = -1;
+    bool ignoreCurrentIndexChanges = false;
+    int count = 0;
+    bool ignoreSignals = false;
+
+    void _q_updateItemHeights();
+    void _q_updateItemWidths();
+    void _q_onViewCurrentIndexChanged();
+    void _q_onViewCountChanged();
+    void _q_onViewOffsetChanged();
+    void _q_onViewContentYChanged();
+
+    void calculateDisplacements();
+
+    void disconnectFromView();
+    void setupViewData(QQuickItem *newControlContentItem);
+    void warnAboutIncorrectContentItem();
+    void syncCurrentIndex();
+    void setPendingCurrentIndex(int index);
+
+    enum PropertyChangeReason {
+        UserChange,
+        InternalChange
+    };
+
+    static QString propertyChangeReasonToString(PropertyChangeReason changeReason);
+
+    void setCurrentIndex(int newCurrentIndex, PropertyChangeReason changeReason = InternalChange);
+    void setCount(int newCount);
+    void setWrapBasedOnCount();
+    void setWrap(bool shouldWrap, bool isExplicit);
+    void beginSetModel();
+    void endSetModel();
+
+    void itemChildAdded(QQuickItem *, QQuickItem *) override;
+    void itemChildRemoved(QQuickItem *, QQuickItem *) override;
+    void itemGeometryChanged(QQuickItem *, QQuickGeometryChange , const QRectF &) override;
+};
+
+class QQuickTumblerAttachedPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickTumblerAttached)
+
+public:
+    static QQuickTumblerAttachedPrivate *get(QQuickTumblerAttached *attached)
+    {
+        return attached->d_func();
+    }
+
+    void init(QQuickItem *delegateItem);
+
+    void calculateDisplacement();
+    void emitIfDisplacementChanged(qreal oldDisplacement, qreal newDisplacement);
+
+    // The Tumbler that contains the delegate. Required to calculated the displacement.
+    QPointer<QQuickTumbler> tumbler;
+    // The index of the delegate. Used to calculate the displacement.
+    int index = -1;
+    // The displacement for our delegate.
+    qreal displacement = 0;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKTUMBLER_P_P_H