1 /***************************************************************************
2 * Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
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. *
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. *
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 ***************************************************************************/
21 #ifndef KEYFRAMEHELPER_H
22 #define KEYFRAMEHELPER_H
26 #include <mlt++/Mlt.h>
30 class KeyframeHelper : public QWidget
34 KeyframeHelper(QWidget *parent = 0);
39 virtual void paintEvent(QPaintEvent * /*e*/);
40 virtual void wheelEvent(QWheelEvent * e);
41 virtual void mousePressEvent(QMouseEvent * event);
42 virtual void mouseMoveEvent(QMouseEvent * event);
43 virtual void mouseReleaseEvent(QMouseEvent * event);
44 virtual void mouseDoubleClickEvent(QMouseEvent * event);
45 virtual void leaveEvent( QEvent * event );
48 Mlt::Geometry *m_geom;
51 bool m_movingKeyframe;
52 Mlt::GeometryItem m_movingItem;
53 QList <Mlt::GeometryItem *> m_extraMovingItems;
61 QList <Mlt::Geometry *>m_extraGeometries;
64 void setKeyGeometry(Mlt::Geometry *geom, const int length);
65 void addGeometry(Mlt::Geometry *geom);
66 void setValue(const int pos);
69 void positionChanged(int);
70 void keyframeMoved(int);
71 void addKeyframe(int);
72 void removeKeyframe(int);