|
Chris@58
|
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
|
Chris@0
|
2
|
|
Chris@0
|
3 /*
|
|
Chris@59
|
4 Sonic Visualiser
|
|
Chris@59
|
5 An audio file viewer and annotation editor.
|
|
Chris@59
|
6 Centre for Digital Music, Queen Mary, University of London.
|
|
Chris@0
|
7
|
|
Chris@59
|
8 This program is free software; you can redistribute it and/or
|
|
Chris@59
|
9 modify it under the terms of the GNU General Public License as
|
|
Chris@59
|
10 published by the Free Software Foundation; either version 2 of the
|
|
Chris@59
|
11 License, or (at your option) any later version. See the file
|
|
Chris@59
|
12 COPYING included with this distribution for more information.
|
|
Chris@0
|
13 */
|
|
Chris@0
|
14
|
|
Chris@0
|
15 #ifndef FADER_H
|
|
Chris@0
|
16 #define FADER_H
|
|
Chris@0
|
17
|
|
Chris@0
|
18 /**
|
|
Chris@0
|
19 * Horizontal audio fader and meter widget.
|
|
Chris@0
|
20 * Based on the vertical fader and meter widget from:
|
|
Chris@0
|
21 *
|
|
Chris@0
|
22 * Hydrogen
|
|
Chris@0
|
23 * Copyright(c) 2002-2005 by Alex >Comix< Cominu [comix@users.sourceforge.net]
|
|
Chris@0
|
24 * http://www.hydrogen-music.org
|
|
Chris@0
|
25 */
|
|
Chris@0
|
26
|
|
Chris@0
|
27
|
|
Chris@0
|
28 #include <string>
|
|
Chris@0
|
29 #include <iostream>
|
|
Chris@0
|
30
|
|
Chris@0
|
31 #include <QWidget>
|
|
Chris@0
|
32 #include <QPixmap>
|
|
Chris@0
|
33 #include <QMouseEvent>
|
|
Chris@0
|
34 #include <QWheelEvent>
|
|
Chris@0
|
35 #include <QPaintEvent>
|
|
Chris@0
|
36
|
|
Chris@584
|
37 #include "base/Debug.h"
|
|
Chris@584
|
38
|
|
Chris@0
|
39 class Fader : public QWidget
|
|
Chris@0
|
40 {
|
|
Chris@0
|
41 Q_OBJECT
|
|
Chris@0
|
42
|
|
Chris@0
|
43 public:
|
|
Chris@0
|
44 Fader(QWidget *parent, bool withoutKnob = false);
|
|
Chris@0
|
45 ~Fader();
|
|
Chris@0
|
46
|
|
Chris@0
|
47 void setValue(float newValue);
|
|
Chris@0
|
48 float getValue();
|
|
Chris@0
|
49
|
|
Chris@0
|
50 void setPeakLeft(float);
|
|
Chris@0
|
51 float getPeakLeft() { return m_peakLeft; }
|
|
Chris@0
|
52
|
|
Chris@0
|
53 void setPeakRight(float);
|
|
Chris@0
|
54 float getPeakRight() { return m_peakRight; }
|
|
Chris@0
|
55
|
|
Chris@189
|
56 signals:
|
|
Chris@189
|
57 void valueChanged(float); // 0.0 -> 1.0
|
|
Chris@189
|
58
|
|
Chris@189
|
59 void mouseEntered();
|
|
Chris@189
|
60 void mouseLeft();
|
|
Chris@189
|
61
|
|
Chris@189
|
62 protected:
|
|
Chris@0
|
63 virtual void mousePressEvent(QMouseEvent *ev);
|
|
Chris@0
|
64 virtual void mouseDoubleClickEvent(QMouseEvent *ev);
|
|
Chris@0
|
65 virtual void mouseMoveEvent(QMouseEvent *ev);
|
|
Chris@132
|
66 virtual void mouseReleaseEvent(QMouseEvent *ev);
|
|
Chris@0
|
67 virtual void wheelEvent( QWheelEvent *ev );
|
|
Chris@0
|
68 virtual void paintEvent(QPaintEvent *ev);
|
|
Chris@189
|
69 virtual void enterEvent(QEvent *);
|
|
Chris@189
|
70 virtual void leaveEvent(QEvent *);
|
|
Chris@0
|
71
|
|
Chris@187
|
72 int getMaxX() const;
|
|
Chris@187
|
73
|
|
Chris@0
|
74 bool m_withoutKnob;
|
|
Chris@0
|
75 float m_value;
|
|
Chris@0
|
76 float m_peakLeft;
|
|
Chris@0
|
77 float m_peakRight;
|
|
Chris@0
|
78
|
|
Chris@187
|
79 bool m_mousePressed;
|
|
Chris@187
|
80 int m_mousePressX;
|
|
Chris@187
|
81 float m_mousePressValue;
|
|
Chris@187
|
82
|
|
Chris@0
|
83 QPixmap m_back;
|
|
Chris@0
|
84 QPixmap m_leds;
|
|
Chris@0
|
85 QPixmap m_knob;
|
|
Chris@0
|
86 QPixmap m_clip;
|
|
Chris@0
|
87 };
|
|
Chris@0
|
88
|
|
Chris@0
|
89 #endif
|
