mirror of
https://github.com/wang-bin/QtAV.git
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323 lines
9.8 KiB
C++
323 lines
9.8 KiB
C++
/******************************************************************************
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QtAV Player Demo: this file is part of QtAV examples
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Copyright (C) 2012-2014 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include "DecoderConfigPage.h"
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#include "Config.h"
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#include <QListView>
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#include <QSpinBox>
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#include <QToolButton>
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#include <QLayout>
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#include <QLabel>
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#include <QCheckBox>
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#include <QSpacerItem>
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#include <QtAV/VideoDecoderTypes.h>
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#include <QPainter>
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#include <QtDebug>
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QString GetDecoderDescription(const QString& name) {
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struct {
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const char *name;
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QString desc;
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} dec_desc[] = {
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{ "FFmpeg", "FFmpeg (" + QObject::tr("Software") + ")" },
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{ "DXVA", "DirectX Video Acceleration 2.0 (" + QObject::tr("Hardware") + ")" },
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{ "VAAPI", "Video Acceleration API (" + QObject::tr("Hardware") + ")" },
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{ 0, 0 }
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};
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for (int i = 0; dec_desc[i].name; ++i) {
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if (name == dec_desc[i].name)
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return dec_desc[i].desc;
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}
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return "";
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}
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// shared
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static QVector<QtAV::VideoDecoderId> sDecodersUi;
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static QVector<QtAV::VideoDecoderId> sPriorityUi;
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using namespace QtAV;
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class DecoderConfigPage::DecoderItemWidget : public QWidget
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{
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Q_OBJECT
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public:
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DecoderItemWidget(QWidget* parent = 0)
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: QWidget(parent) {
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mSelected = false;
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QVBoxLayout *vb = new QVBoxLayout;
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setLayout(vb);
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mpCheck = new QCheckBox();
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mpDesc = new QLabel();
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vb->addWidget(mpCheck);
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vb->addWidget(mpDesc);
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connect(mpCheck, SIGNAL(pressed()), SLOT(checkPressed())); // no this->mousePressEvent
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connect(mpCheck, SIGNAL(toggled(bool)), this, SIGNAL(enableChanged()));
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}
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void select(bool s) {
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mSelected = s;
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update();
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}
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void setChecked(bool c) { mpCheck->setChecked(c); }
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bool isChecked() const { return mpCheck->isChecked(); }
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void setName(const QString& name) { mpCheck->setText(name);}
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QString name() const { return mpCheck->text();}
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void setDescription(const QString& desc) { mpDesc->setText(desc); }
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QString description() const { return mpDesc->text();}
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signals:
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void enableChanged();
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void selected(DecoderItemWidget*);
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private slots:
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void checkPressed() {
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select(true);
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emit selected(this);
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}
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protected:
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virtual void mousePressEvent(QMouseEvent *) {
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select(true);
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emit selected(this);
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}
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virtual void paintEvent(QPaintEvent *e) {
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if (mSelected) {
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QPainter p(this);
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p.fillRect(rect(), QColor(0, 100, 200, 100));
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}
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QWidget::paintEvent(e);
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}
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private:
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bool mSelected;
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QCheckBox *mpCheck;
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QLabel *mpDesc;
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};
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DecoderConfigPage::DecoderConfigPage(QWidget *parent) :
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ConfigPageBase(parent)
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{
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mpSelectedDec = 0;
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setWindowTitle("Video decoder config page");
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QVBoxLayout *vb = new QVBoxLayout;
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setLayout(vb);
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QLabel *label = new QLabel(tr("Threads"));
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QSpinBox *sb = new QSpinBox;
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sb->setEnabled(false);
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sb->setMinimum(0);
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sb->setMaximum(16);
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sb->setValue(Config::instance().decodingThreads());
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QHBoxLayout *hb = new QHBoxLayout;
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hb->addWidget(label);
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hb->addWidget(sb);
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vb->addLayout(hb);
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QFrame *frame = new QFrame();
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frame->setFrameShape(QFrame::HLine);
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vb->addWidget(frame);
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vb->addWidget(new QLabel(tr("Decoder") + " " + tr("Priorities")));
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sPriorityUi = Config::instance().decoderPriority();
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sDecodersUi = Config::instance().registeredDecoders();
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QStringList vds = Config::instance().decoderPriorityNames();
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QStringList vds_all = Config::instance().registeredDecoderNames();
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mpDecLayout = new QVBoxLayout;
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for (int i = 0; i < vds_all.size(); ++i) {
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QString name = vds_all.at(i);
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DecoderItemWidget *iw = new DecoderItemWidget();
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mDecItems.append(iw);
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iw->setName(name);
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iw->setDescription(GetDecoderDescription(name));
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iw->setChecked(vds.contains(name));
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connect(iw, SIGNAL(enableChanged()), SLOT(videoDecoderEnableChanged()));
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connect(iw, SIGNAL(selected(DecoderItemWidget*)), SLOT(onDecSelected(DecoderItemWidget*)));
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mpDecLayout->addWidget(iw);
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}
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vb->addLayout(mpDecLayout);
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vb->addSpacerItem(new QSpacerItem(width(), 10, QSizePolicy::Ignored, QSizePolicy::Expanding));
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mpUp = new QToolButton;
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mpUp->setText("Up");
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connect(mpUp, SIGNAL(clicked()), SLOT(priorityUp()));
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mpDown = new QToolButton;
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mpDown->setText("Down");
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connect(mpDown, SIGNAL(clicked()), SLOT(priorityDown()));
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hb = new QHBoxLayout;
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hb->addWidget(mpUp);
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hb->addWidget(mpDown);
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vb->addLayout(hb);
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connect(&Config::instance(), SIGNAL(decoderPriorityChanged(QVector<QtAV::VideoDecoderId>)), SLOT(updateDecodersUi()));
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connect(&Config::instance(), SIGNAL(registeredDecodersChanged(QVector<QtAV::VideoDecoderId>)), SLOT(updateDecodersUi()));
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updateDecodersUi();
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}
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QString DecoderConfigPage::name() const
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{
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return tr("Decoder");
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}
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void DecoderConfigPage::apply()
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{
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QStringList decs_all;
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QStringList decs;
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foreach (DecoderItemWidget *w, mDecItems) {
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decs_all.append(w->name());
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if (w->isChecked())
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decs.append(w->name());
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}
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sDecodersUi = idsFromNames(decs_all);
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sPriorityUi = idsFromNames(decs);
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Config::instance().registeredDecoders(sDecodersUi);
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Config::instance().decoderPriority(sPriorityUi);
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}
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void DecoderConfigPage::cancel()
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{
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updateDecodersUi();
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}
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void DecoderConfigPage::reset()
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{
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}
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void DecoderConfigPage::videoDecoderEnableChanged()
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{
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QStringList names;
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foreach (DecoderItemWidget *iw, mDecItems) {
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if (iw->isChecked())
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names.append(iw->name());
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}
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sPriorityUi = idsFromNames(names);
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if (applyOnUiChange()) {
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Config::instance().decoderPriorityNames(names);
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} else {
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// emit Config::instance().decoderPriorityChanged(sPriorityUi);
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}
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}
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void DecoderConfigPage::priorityUp()
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{
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if (!mpSelectedDec)
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return;
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int i = mDecItems.indexOf(mpSelectedDec);
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if (i == 0)
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return;
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DecoderItemWidget *iw = mDecItems.takeAt(i-1);
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mDecItems.insert(i, iw);
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mpDecLayout->removeWidget(iw);
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mpDecLayout->insertWidget(i, iw);
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QStringList decs_all;
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QStringList decs_p = Config::instance().decoderPriorityNames();
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QStringList decs;
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foreach (DecoderItemWidget *w, mDecItems) {
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decs_all.append(w->name());
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if (decs_p.contains(w->name()))
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decs.append(w->name());
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}
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sDecodersUi = idsFromNames(decs_all);
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sPriorityUi = idsFromNames(decs);
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if (applyOnUiChange()) {
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Config::instance().decoderPriorityNames(decs);
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Config::instance().registeredDecoderNames(decs);
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} else {
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//emit Config::instance().decoderPriorityChanged(idsFromNames(decs));
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//emit Config::instance().registeredDecodersChanged(idsFromNames(decs));
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}
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}
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void DecoderConfigPage::priorityDown()
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{
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if (!mpSelectedDec)
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return;
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int i = mDecItems.indexOf(mpSelectedDec);
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if (i == mDecItems.size()-1)
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return;
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DecoderItemWidget *iw = mDecItems.takeAt(i+1);
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mDecItems.insert(i, iw);
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// why takeItemAt then insertItem does not work?
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mpDecLayout->removeWidget(iw);
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mpDecLayout->insertWidget(i, iw);
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QStringList decs_all;
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QStringList decs_p = Config::instance().decoderPriorityNames();
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QStringList decs;
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foreach (DecoderItemWidget *w, mDecItems) {
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decs_all.append(w->name());
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if (decs_p.contains(w->name()))
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decs.append(w->name());
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}
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sDecodersUi = idsFromNames(decs_all);
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sPriorityUi = idsFromNames(decs);
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if (applyOnUiChange()) {
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Config::instance().decoderPriorityNames(decs);
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Config::instance().registeredDecoderNames(decs_all);
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} else {
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//emit Config::instance().decoderPriorityChanged(idsFromNames(decs));
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//emit Config::instance().registeredDecodersChanged(idsFromNames(decs));
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}
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}
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void DecoderConfigPage::onDecSelected(DecoderItemWidget *iw)
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{
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if (mpSelectedDec == iw)
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return;
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if (mpSelectedDec) {
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mpSelectedDec->select(false);
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}
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mpSelectedDec = iw;
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}
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void DecoderConfigPage::updateDecodersUi()
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{
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QStringList names = idsToNames(sPriorityUi);
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QStringList all_names = idsToNames(sDecodersUi);
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//qDebug() << "updateDecodersUi " << this << " " << names << " all: " << all_names;
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int idx = 0;
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foreach (QString name, all_names) {
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DecoderItemWidget * iw = 0;
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for (int i = idx; i < mDecItems.size(); ++i) {
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if (mDecItems.at(i)->name() != name)
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continue;
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iw = mDecItems.at(i);
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break;
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}
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if (!iw)
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break;
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iw->setChecked(names.contains(iw->name()));
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int i = mDecItems.indexOf(iw);
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if (i != idx) {
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mDecItems.removeAll(iw);
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mDecItems.insert(idx, iw);
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}
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// why takeItemAt then insertItem does not work?
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if (mpDecLayout->indexOf(iw) != idx) {
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mpDecLayout->removeWidget(iw);
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mpDecLayout->insertWidget(idx, iw);
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}
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++idx;
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}
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}
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#include "DecoderConfigPage.moc"
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