1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "LevelPanToolButton.h"
#include "LevelPanWidget.h"
#include <QMenu>
#include <QWidgetAction>
#include <QImage>
#include <QStylePainter>
#include <QStyleOptionToolButton>
#include <iostream>
using std::cerr;
using std::endl;
LevelPanToolButton::LevelPanToolButton(QWidget *parent) :
QToolButton(parent),
m_pixels(32),
m_pixelsBig(32 * 3),
m_muted(false),
m_savedLevel(1.f)
{
m_lpw = new LevelPanWidget();
connect(m_lpw, SIGNAL(levelChanged(float)), this, SIGNAL(levelChanged(float)));
connect(m_lpw, SIGNAL(levelChanged(float)), this, SLOT(selfLevelChanged(float)));
connect(m_lpw, SIGNAL(panChanged(float)), this, SIGNAL(panChanged(float)));
connect(m_lpw, SIGNAL(panChanged(float)), this, SLOT(update()));
connect(this, SIGNAL(clicked(bool)), this, SLOT(selfClicked()));
QMenu *menu = new QMenu();
QWidgetAction *wa = new QWidgetAction(menu);
wa->setDefaultWidget(m_lpw);
menu->addAction(wa);
setPopupMode(InstantPopup);
setMenu(menu);
setImageSize(m_pixels);
setBigImageSize(m_pixelsBig);
}
LevelPanToolButton::~LevelPanToolButton()
{
}
float
LevelPanToolButton::getLevel() const
{
return m_lpw->getLevel();
}
float
LevelPanToolButton::getPan() const
{
return m_lpw->getPan();
}
bool
LevelPanToolButton::includesMute() const
{
return m_lpw->includesMute();
}
void
LevelPanToolButton::setImageSize(int pixels)
{
m_pixels = pixels;
QPixmap px(m_pixels, m_pixels);
px.fill(Qt::transparent);
setIcon(px);
}
void
LevelPanToolButton::setBigImageSize(int pixels)
{
m_pixelsBig = pixels;
m_lpw->setFixedWidth(m_pixelsBig);
m_lpw->setFixedHeight(m_pixelsBig);
}
void
LevelPanToolButton::setLevel(float level)
{
m_lpw->setLevel(level);
update();
}
void
LevelPanToolButton::setPan(float pan)
{
m_lpw->setPan(pan);
update();
}
void
LevelPanToolButton::setIncludeMute(bool include)
{
m_lpw->setIncludeMute(include);
update();
}
void
LevelPanToolButton::setEnabled(bool enabled)
{
m_lpw->setEnabled(enabled);
QToolButton::setEnabled(enabled);
}
void
LevelPanToolButton::selfLevelChanged(float level)
{
if (level > 0.f) {
m_muted = false;
} else {
m_muted = true;
m_savedLevel = 1.f;
}
update();
}
void
LevelPanToolButton::selfClicked()
{
cerr << "selfClicked" << endl;
if (m_muted) {
m_muted = false;
m_lpw->setLevel(m_savedLevel);
emit levelChanged(m_savedLevel);
} else {
m_savedLevel = m_lpw->getLevel();
m_muted = true;
m_lpw->setLevel(0.f);
emit levelChanged(0.f);
}
update();
}
void
LevelPanToolButton::paintEvent(QPaintEvent *)
{
QStylePainter p(this);
QStyleOptionToolButton opt;
initStyleOption(&opt);
opt.features &= (~QStyleOptionToolButton::HasMenu);
p.drawComplexControl(QStyle::CC_ToolButton, opt);
if (m_pixels >= height()) {
setImageSize(height()-1);
}
double margin = (double(height()) - m_pixels) / 2.0;
m_lpw->renderTo(this, QRectF(margin, margin, m_pixels, m_pixels), false);
}
|
