1 files changed, 146 insertions, 0 deletions
diff --git a/src/plugins/qmldesigner/components/transitioneditor/transitioneditorgraphicsscene.h b/src/plugins/qmldesigner/components/transitioneditor/transitioneditorgraphicsscene.h
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+++ b/src/plugins/qmldesigner/components/transitioneditor/transitioneditorgraphicsscene.h
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+/****************************************************************************
+**
+** 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 <timelineeditor/timelinegraphicsscene.h>
+
+#include <qmltimeline.h>
+
+#include <QGraphicsScene>
+
+#include <memory>
+
+QT_FORWARD_DECLARE_CLASS(QGraphicsLinearLayout)
+QT_FORWARD_DECLARE_CLASS(QComboBox)
+
+namespace QmlDesigner {
+
+class TransitionEditorView;
+class TransitionEditorWidget;
+class TransitionEditorToolBar;
+class TransitionEditorGraphicsLayout;
+
+class TimelineRulerSectionItem;
+class TimelineFrameHandle;
+class TimelineAbstractTool;
+class TimelineMoveTool;
+class TimelineKeyframeItem;
+class TimelinePlaceholder;
+class TimelineToolBar;
+class TransitionEditorPropertyItem;
+
+class TransitionEditorGraphicsScene : public AbstractScrollGraphicsScene
+{
+    Q_OBJECT
+
+signals:
+    void selectionChanged();
+
+    void scroll(const TimelineUtils::Side &side);
+
+public:
+    explicit TransitionEditorGraphicsScene(TransitionEditorWidget *parent);
+
+    ~TransitionEditorGraphicsScene() override;
+
+    void onShow();
+
+    void setTransition(const ModelNode &transition);
+    void clearTransition();
+
+    void setWidth(int width);
+
+    void invalidateLayout();
+    void setDuration(int duration);
+
+    TransitionEditorView *transitionEditorView() const;
+    TransitionEditorWidget *transitionEditorWidget() const;
+    TransitionEditorToolBar *toolBar() const;
+
+    qreal rulerScaling() const override;
+    int rulerWidth() const override;
+    qreal rulerDuration() const override;
+    qreal endFrame() const override;
+    qreal startFrame() const override;
+
+    qreal mapToScene(qreal x) const;
+    qreal mapFromScene(qreal x) const;
+
+    void setRulerScaling(int scaling);
+
+    void invalidateSectionForTarget(const ModelNode &modelNode);
+
+    void invalidateScene();
+    void invalidateCurrentValues();
+    void invalidateRecordButtonsStatus();
+
+    QGraphicsView *graphicsView() const;
+    QGraphicsView *rulerView() const;
+
+    QRectF selectionBounds() const;
+
+    void selectKeyframes(const SelectionMode &mode, const QList<TimelineKeyframeItem *> &items);
+    void clearSelection() override;
+
+    void activateLayout();
+
+    AbstractView *abstractView() const override;
+    ModelNode transitionModelNode() const;
+
+    TransitionEditorPropertyItem *selectedPropertyItem() const;
+    void setSelectedPropertyItem(TransitionEditorPropertyItem *item);
+
+    void invalidateScrollbar() override;
+
+signals:
+    void statusBarMessageChanged(const QString &message);
+
+protected:
+    bool event(QEvent *event) override;
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
+    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
+
+    void keyPressEvent(QKeyEvent *keyEvent) override;
+    void keyReleaseEvent(QKeyEvent *keyEvent) override;
+
+private:
+    void invalidateSections();
+    QList<QGraphicsItem *> itemsAt(const QPointF &pos);
+
+private:
+    TransitionEditorWidget *m_parent = nullptr;
+    TransitionEditorGraphicsLayout *m_layout = nullptr;
+    ModelNode m_transition;
+
+    int m_scrollOffset = 0;
+    TimelineToolDelegate m_tools;
+    TransitionEditorPropertyItem *m_selectedProperty = nullptr;
+};
+
+} // namespace QmlDesigner