CuteLogger
Fast and simple logging solution for Qt based applications
scrubbar.h
1 /*
2  * Copyright (c) 2011-2024 Meltytech, LLC
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 3 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, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef SCRUBBAR_H
19 #define SCRUBBAR_H
20 
21 #include <QWidget>
22 
23 class ScrubBar : public QWidget
24 {
25  Q_OBJECT
26 
27  enum controls { CONTROL_NONE, CONTROL_HEAD, CONTROL_IN, CONTROL_OUT };
28 
29 public:
30  explicit ScrubBar(QWidget *parent = 0);
31 
32  virtual void mousePressEvent(QMouseEvent *event);
33  virtual void mouseReleaseEvent(QMouseEvent *event);
34  virtual void mouseMoveEvent(QMouseEvent *event);
35  void setScale(int maximum);
36  void setFramerate(double fps);
37  int position() const;
38  void setInPoint(int in);
39  void setOutPoint(int out);
40  void setMarkers(const QList<int> &);
41  QList<int> markers() const { return m_markers; }
42  void setMargin(int margin) { m_margin = margin; }
43  void setLoopRange(int start, int end);
44 
45 signals:
46  void paused(int);
47  void seeked(int);
48  void inChanged(int);
49  void outChanged(int);
50 
51 public slots:
52  bool onSeek(int value);
53 
54 protected:
55  virtual void paintEvent(QPaintEvent *e);
56  virtual void resizeEvent(QResizeEvent *);
57  virtual bool event(QEvent *event);
58 
59 private:
60  int m_cursorPosition;
61  int m_head;
62  double m_scale;
63  double m_fps;
64  int m_interval;
65  int m_max;
66  int m_in;
67  int m_out;
68  int m_margin;
69  enum controls m_activeControl;
70  QPixmap m_pixmap;
71  int m_timecodeWidth;
72  int m_secondsPerTick;
73  QList<int> m_markers;
74  int m_loopStart;
75  int m_loopEnd;
76 
77  void updatePixmap();
78 };
79 
80 #endif // SCRUBBAR_H