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[kdenlive] / src / monitorscene.h
1 /***************************************************************************
2  *   Copyright (C) 2010 by Till Theato (root@ttill.de)                     *
3  *                                                                         *
4  *   This program is free software; you can redistribute it and/or modify  *
5  *   it under the terms of the GNU General Public License as published by  *
6  *   the Free Software Foundation; either version 2 of the License, or     *
7  *   (at your option) any later version.                                   *
8  *                                                                         *
9  *   This program is distributed in the hope that it will be useful,       *
10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
12  *   GNU General Public License for more details.                          *
13  *                                                                         *
14  *   You should have received a copy of the GNU General Public License     *
15  *   along with this program; if not, write to the                         *
16  *   Free Software Foundation, Inc.,                                       *
17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
18  ***************************************************************************/
19
20
21 #ifndef MONITORSCENE_H
22 #define MONITORSCENE_H
23
24 #include <QGraphicsScene>
25 #include <QTime>
26
27 class Render;
28
29 enum resizeModes { NoResize, TopLeft, BottomLeft, TopRight, BottomRight, Left, Right, Top, Bottom };
30
31 class MonitorScene : public QGraphicsScene
32 {
33     Q_OBJECT
34 public:
35     MonitorScene(Render *renderer, QObject* parent = 0);
36     void setUp();
37
38 protected:
39     virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
40     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
41     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
42
43 public slots:
44     void slotUpdateBackground(bool fit = false);
45
46 private slots:
47     void slotSetBackgroundImage(QImage image);
48
49 private:
50     resizeModes getResizeMode(QGraphicsRectItem *item, QPoint pos);
51
52     Render *m_renderer;
53     QGraphicsPixmapItem *m_background;
54     QGraphicsRectItem *m_frameBorder;
55     QTime m_lastUpdate;
56     QGraphicsView *m_view;
57     QGraphicsItem *m_selectedItem;
58     resizeModes m_resizeMode;
59     QPointF m_clickPoint;
60     QImage m_backgroundImage;
61
62 signals:
63     void actionFinished();
64 };
65
66 #endif