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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SCENECAMERAVIEW_H
+#define SCENECAMERAVIEW_H
+
+#include <QtWidgets/qwidget.h>
+#include <QtCore/qtimer.h>
+
+#ifdef QT_NAMESPACE
+using namespace QT_NAMESPACE;
+#endif
+
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class SceneCameraView;
+}
+QT_END_NAMESPACE
+
+class CMainFrame;
+
+class SceneCameraView : public QWidget
+{
+ Q_OBJECT
+
+public:
+ explicit SceneCameraView(CMainFrame *mainFrame, QWidget *parent = 0);
+ ~SceneCameraView();
+
+protected:
+ void wheelEvent(QWheelEvent *e) override;
+ void resizeEvent(QResizeEvent *e) override;
+ void mousePressEvent(QMouseEvent *e) override;
+ void mouseMoveEvent(QMouseEvent *e) override;
+ void mouseReleaseEvent(QMouseEvent *e) override;
+
+private:
+ void handleSliderValueChange();
+ void doUpdate();
+ void requestUpdate();
+
+ Ui::SceneCameraView *m_ui = nullptr;
+
+ QTimer m_updateTimer;
+ QPoint m_zoomPoint;
+ QPoint m_mousePressPointLeft;
+ QPoint m_mousePressPointRight;
+ QPoint m_mousePressScrollValues;
+ int m_mousePressZoomValue = 0;
+
+ QCursor m_cursorPan;
+ QCursor m_cursorZoom;
+};
+
+#endif // SCENECAMERAVIEW_H