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1 | /**************************************************************************** |
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2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the tools applications of the Qt Toolkit. |
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29 | ** GNU General Public License Usage |
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40 | ****************************************************************************/ |
41 | |
42 | #include "qvfbratedlg.h" |
43 | #include <QLayout> |
44 | #include <QLabel> |
45 | #include <qslider.h> |
46 | #include <QPushButton> |
47 | |
48 | QT_BEGIN_NAMESPACE |
49 | |
50 | QVFbRateDialog::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 | |
83 | void 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 | |
91 | void QVFbRateDialog::cancel() |
92 | { |
93 | rateChanged(oldRate); |
94 | reject(); |
95 | } |
96 | |
97 | void QVFbRateDialog::ok() |
98 | { |
99 | oldRate = rateSlider->value(); |
100 | accept(); |
101 | } |
102 | |
103 | QT_END_NAMESPACE |
104 |
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