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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2007 QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #include "RangeInputDialog.h"
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17
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18 #include <QDoubleSpinBox>
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19 #include <QGridLayout>
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20 #include <QLabel>
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21 #include <QHBoxLayout>
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22 #include <QDialogButtonBox>
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23 #include <QPushButton>
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24
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25 RangeInputDialog::RangeInputDialog(QString title, QString message,
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26 QString unit, float min, float max,
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27 QWidget *parent) :
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28 QDialog(parent)
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29 {
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30 QGridLayout *grid = new QGridLayout;
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31 setLayout(grid);
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32
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33 setWindowTitle(title);
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34
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35 QLabel *messageLabel = new QLabel;
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36 messageLabel->setText(message);
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37 grid->addWidget(messageLabel, 0, 0, 1, 5);
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38
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39 m_rangeStart = new QDoubleSpinBox;
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40 m_rangeStart->setDecimals(4);
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41 m_rangeStart->setMinimum(min);
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42 m_rangeStart->setMaximum(max);
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43 m_rangeStart->setSuffix(unit);
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44 grid->addWidget(m_rangeStart, 1, 1);
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45 connect(m_rangeStart, SIGNAL(valueChanged(double)),
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46 this, SLOT(rangeStartChanged(double)));
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47
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48 grid->addWidget(new QLabel(tr(" to ")), 1, 2);
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49
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50 m_rangeEnd = new QDoubleSpinBox;
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51 m_rangeEnd->setDecimals(4);
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52 m_rangeEnd->setMinimum(min);
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53 m_rangeEnd->setMaximum(max);
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54 m_rangeEnd->setSuffix(unit);
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55 grid->addWidget(m_rangeEnd, 1, 3);
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56 connect(m_rangeEnd, SIGNAL(valueChanged(double)),
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57 this, SLOT(rangeEndChanged(double)));
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58
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59 QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok |
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60 QDialogButtonBox::Cancel);
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61 grid->addWidget(bb, 2, 0, 1, 5);
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62 connect(bb, SIGNAL(accepted()), this, SLOT(accept()));
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63 connect(bb, SIGNAL(rejected()), this, SLOT(reject()));
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64 }
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65
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66 RangeInputDialog::~RangeInputDialog()
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67 {
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68 }
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69
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70 void
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71 RangeInputDialog::getRange(float &min, float &max)
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72 {
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73 min = float(m_rangeStart->value());
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74 max = float(m_rangeEnd->value());
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75
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76 if (min > max) {
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77 float tmp = min;
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78 min = max;
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79 max = tmp;
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80 }
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81 }
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82
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83 void
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84 RangeInputDialog::setRange(float start, float end)
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85 {
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86 if (start > end) {
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87 float tmp = start;
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88 start = end;
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89 end = tmp;
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90 }
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91
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92 blockSignals(true);
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93 m_rangeStart->setValue(start);
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94 m_rangeEnd->setValue(end);
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95 blockSignals(false);
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96 }
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97
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98 void
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99 RangeInputDialog::rangeStartChanged(double min)
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100 {
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101 double max = m_rangeEnd->value();
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102 if (min > max) {
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103 double tmp = min;
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104 min = max;
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105 max = tmp;
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106 }
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107 emit rangeChanged(float(min), float(max));
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108 }
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109
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110
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111 void
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112 RangeInputDialog::rangeEndChanged(double max)
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113 {
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114 double min = m_rangeStart->value();
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115 if (min > max) {
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116 double tmp = min;
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117 min = max;
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118 max = tmp;
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119 }
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120 emit rangeChanged(float(min), float(max));
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121 }
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122
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