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41
42#include "qvfbratedlg.h"
43#include <QLayout>
44#include <QLabel>
45#include <qslider.h>
46#include <QPushButton>
47
48QT_BEGIN_NAMESPACE
49
50QVFbRateDialog::QVFbRateDialog(int rate, QWidget *parent)
51 : QDialog(parent)
52{
53 oldRate = rate;
54
55 QVBoxLayout *tl = new QVBoxLayout(this);
56 tl->setMargin(5);
57
58 QLabel *label = new QLabel(tr("Target frame rate:"), this);
59 tl->addWidget(label);
60
61 QHBoxLayout *hl = new QHBoxLayout();
62 tl->addItem(hl);
63 rateSlider = new QSlider(Qt::Horizontal);
64 rateSlider->setMinimum(1);
65 rateSlider->setMaximum(100);
66 rateSlider->setPageStep(10);
67 rateSlider->setValue(rate);
68 hl->addWidget(rateSlider);
69 connect(rateSlider, SIGNAL(valueChanged(int)), this, SLOT(rateChanged(int)));
70 rateLabel = new QLabel(tr("%1fps").arg(rate), this);
71 hl->addWidget(rateLabel);
72
73 hl = new QHBoxLayout();
74 tl->addItem(hl);
75 QPushButton *pb = new QPushButton(tr("OK"), this);
76 connect(pb, SIGNAL(clicked()), this, SLOT(ok()));
77 hl->addWidget(pb);
78 pb = new QPushButton(tr("Cancel"), this);
79 connect(pb, SIGNAL(clicked()), this, SLOT(cancel()));
80 hl->addWidget(pb);
81}
82
83void QVFbRateDialog::rateChanged(int r)
84{
85 if (rateSlider->value() != r)
86 rateSlider->setValue(r);
87 rateLabel->setText(tr("%1fps").arg(r));
88 emit updateRate(r);
89}
90
91void QVFbRateDialog::cancel()
92{
93 rateChanged(oldRate);
94 reject();
95}
96
97void QVFbRateDialog::ok()
98{
99 oldRate = rateSlider->value();
100 accept();
101}
102
103QT_END_NAMESPACE
104

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