1 files changed, 98 insertions, 0 deletions
diff --git a/src/plugins/qmldesigner/components/formeditor/transitiontool.h b/src/plugins/qmldesigner/components/formeditor/transitiontool.h
new file mode 100644
index 0000000000..43c3894933
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+++ b/src/plugins/qmldesigner/components/formeditor/transitiontool.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#pragma once
+
+#include "abstractcustomtool.h"
+#include "selectionindicator.h"
+
+#include <QGraphicsLineItem>
+#include <QHash>
+#include <QPointer>
+
+#include <memory>
+
+namespace QmlDesigner {
+
+class TransitionTool : public QObject, public AbstractCustomTool
+{
+    Q_OBJECT
+public:
+    TransitionTool();
+    ~TransitionTool();
+
+    void mousePressEvent(const QList<QGraphicsItem*> &itemList,
+                         QGraphicsSceneMouseEvent *event) override;
+    void mouseMoveEvent(const QList<QGraphicsItem*> &itemList,
+                        QGraphicsSceneMouseEvent *event) override;
+    void mouseReleaseEvent(const QList<QGraphicsItem*> &itemList,
+                           QGraphicsSceneMouseEvent *event) override;
+    void mouseDoubleClickEvent(const QList<QGraphicsItem*> &itemList,
+                               QGraphicsSceneMouseEvent *event) override;
+    void hoverMoveEvent(const QList<QGraphicsItem*> &itemList,
+                        QGraphicsSceneMouseEvent *event) override;
+    void keyPressEvent(QKeyEvent *event) override;
+    void keyReleaseEvent(QKeyEvent *keyEvent) override;
+
+    void dragLeaveEvent(const QList<QGraphicsItem*> &itemList,
+                        QGraphicsSceneDragDropEvent * event) override;
+    void dragMoveEvent(const QList<QGraphicsItem*> &itemList,
+                       QGraphicsSceneDragDropEvent * event) override;
+
+    void itemsAboutToRemoved(const QList<FormEditorItem*> &itemList) override;
+
+    void selectedItemsChanged(const QList<FormEditorItem*> &itemList) override;
+
+    void instancesCompleted(const QList<FormEditorItem*> &itemList) override;
+    void instancesParentChanged(const QList<FormEditorItem *> &itemList) override;
+    void instancePropertyChange(const QList<QPair<ModelNode, PropertyName> > &propertyList) override;
+
+    void clear() override;
+
+    void formEditorItemsChanged(const QList<FormEditorItem*> &itemList) override;
+
+    int wantHandleItem(const ModelNode &modelNode) const override;
+
+    QString name() const override;
+
+    void activateTool();
+    void unblock();
+
+    QGraphicsLineItem *lineItem();
+    QGraphicsRectItem *rectangleItem1();
+    QGraphicsRectItem *rectangleItem2();
+
+private:
+    FormEditorItem *currentFormEditorItem() const;
+    void createItems();
+    void createTransition(FormEditorItem *item1, FormEditorItem *item2);
+
+    FormEditorItem* m_formEditorItem;
+    std::unique_ptr<QGraphicsLineItem> m_lineItem;
+    std::unique_ptr<QGraphicsRectItem> m_rectangleItem1;
+    std::unique_ptr<QGraphicsRectItem> m_rectangleItem2;
+    bool m_blockEvents = true;
+};
+
+} //QmlDesigner