/src/libtomahawk/widgets/animatedcounterlabel.h

 1/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
 2 *
 3 *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
 4 *
 5 *   Tomahawk is free software: you can redistribute it and/or modify
 6 *   it under the terms of the GNU General Public License as published by
 7 *   the Free Software Foundation, either version 3 of the License, or
 8 *   (at your option) any later version.
 9 *
10 *   Tomahawk is distributed in the hope that it will be useful,
11 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 *   GNU General Public License for more details.
14 *
15 *   You should have received a copy of the GNU General Public License
16 *   along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#ifndef ANIMATEDCOUNTERLABEL_H
20#define ANIMATEDCOUNTERLABEL_H
21
22#include <QLabel>
23#include <QTimeLine>
24#include <QPropertyAnimation>
25#include <QEasingCurve>
26#include <cmath>
27
28#include "DllMacro.h"
29
30class DLLEXPORT AnimatedCounterLabel : public QLabel
31{
32Q_OBJECT
33
34public:
35    explicit AnimatedCounterLabel( QWidget* parent = 0, Qt::WindowFlags f = 0 );
36
37    void setFormat( const QString& f );
38
39public slots:
40    void setVisible( bool b );
41    void frame( int f );
42    void setVal( unsigned int v );
43    void showDiff();
44
45private:
46    QTimeLine m_timer;
47
48    // what's in the label text:
49    unsigned int m_displayed;
50
51    // current value we are storing (and displaying, or animating towards displaying)
52    unsigned int m_val, m_oldval;
53
54    QString m_format;
55    QWeakPointer<QLabel> m_diff;
56};
57
58#endif // ANIMATEDCOUNTERLABEL_H