C++ QComboBox::setProperty方法代码示例

void QgsRelationReferenceWidget::init()
{
  if ( !mReadOnlySelector && mComboBox->count() == 0 && mReferencedLayer )
  {
    QApplication::setOverrideCursor( Qt::WaitCursor );

    QSet<QString> requestedAttrs;

    QgsVectorLayerCache* layerCache = new QgsVectorLayerCache( mReferencedLayer, 100000, this );

    if ( !mFilterFields.isEmpty() )
    {
      Q_FOREACH ( const QString& fieldName, mFilterFields )
      {
        QVariantList uniqueValues;
        int idx = mReferencedLayer->fields().lookupField( fieldName );
        QComboBox* cb = new QComboBox();
        cb->setProperty( "Field", fieldName );
        cb->setProperty( "FieldAlias", mReferencedLayer->attributeDisplayName( idx ) );
        mFilterComboBoxes << cb;
        mReferencedLayer->uniqueValues( idx, uniqueValues );
        cb->addItem( mReferencedLayer->attributeDisplayName( idx ) );
        QVariant nullValue = QSettings().value( QStringLiteral( "qgis/nullValue" ), "NULL" );
        cb->addItem( nullValue.toString(), QVariant( mReferencedLayer->fields().at( idx ).type() ) );

        qSort( uniqueValues.begin(), uniqueValues.end(), qgsVariantLessThan );
        Q_FOREACH ( const QVariant& v, uniqueValues )
        {
          cb->addItem( v.toString(), v );
        }

void ParamWidget::AddEnum(const QString& name,
    const EnumVector& items,
    int initial_value,
    DisplayHint display_hint) {
  ExpectNameNotFound(name);

  if (display_hint != DisplayHint::kComboBox) {
    throw std::invalid_argument("Invalid display hint");
  }

  QComboBox* combobox = new QComboBox(this);
  combobox->setProperty("param_widget_type", kParamEnum);
  bool found_initial_value = false;
  for (size_t i = 0; i < items.size(); ++i) {
    const EnumItem& item = items[i];
    combobox->addItem(item.first, item.second);
    if (item.second == initial_value) {
      found_initial_value = true;
      combobox->setCurrentIndex(i);
    }
  }
  if (!found_initial_value) {
    throw std::invalid_argument("Invalid initial value");
  }
  widgets_[name] = combobox;
  AddLabeledRow(name, combobox);
  connect(combobox,
      static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
      [this, name](int val) {
        emit ParamChanged(name);
      });
}

void QgsRelationReferenceWidget::init()
{
  if ( !mReadOnlySelector && mComboBox->count() == 0 && mReferencedLayer )
  {
    QApplication::setOverrideCursor( Qt::WaitCursor );

    QSet<QString> requestedAttrs;

    QgsVectorLayerCache* layerCache = new QgsVectorLayerCache( mReferencedLayer, 100000, this );

    if ( mFilterFields.size() )
    {
      Q_FOREACH ( const QString& fieldName, mFilterFields )
      {
        QVariantList uniqueValues;
        int idx = mReferencedLayer->fieldNameIndex( fieldName );
        QComboBox* cb = new QComboBox();
        cb->setProperty( "Field", fieldName );
        mFilterComboBoxes << cb;
        mReferencedLayer->uniqueValues( idx, uniqueValues );
        cb->addItem( mReferencedLayer->attributeAlias( idx ).isEmpty() ? fieldName : mReferencedLayer->attributeAlias( idx ) );
        QVariant nullValue = QSettings().value( "qgis/nullValue", "NULL" );
        cb->addItem( nullValue.toString(), QVariant( mReferencedLayer->fields()[idx].type() ) );

        Q_FOREACH ( const QVariant& v, uniqueValues )
        {
          cb->addItem( v.toString(), v );
        }

    foreach(sqlb::FieldPtr f, fields)
    {
        QTreeWidgetItem *tbitem = new QTreeWidgetItem(ui->treeWidget);
        tbitem->setFlags(tbitem->flags() | Qt::ItemIsEditable);
        tbitem->setText(kName, f->name());
        QComboBox* typeBox = new QComboBox(ui->treeWidget);
        typeBox->setProperty("column", f->name());
        typeBox->setEditable(false);
        typeBox->addItems(sqlb::Field::Datatypes);
        int index = typeBox->findText(f->type(), Qt::MatchExactly);
        if(index == -1)
        {
            // non standard named type
            typeBox->addItem(f->type());
            index = typeBox->count() - 1;
        }
        typeBox->setCurrentIndex(index);
        connect(typeBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateTypes()));
        ui->treeWidget->setItemWidget(tbitem, kType, typeBox);

        tbitem->setCheckState(kNotNull, f->notnull() ? Qt::Checked : Qt::Unchecked);
        tbitem->setCheckState(kPrimaryKey, f->primaryKey() ? Qt::Checked : Qt::Unchecked);
        tbitem->setCheckState(kAutoIncrement, f->autoIncrement() ? Qt::Checked : Qt::Unchecked);
        tbitem->setCheckState(kUnique, f->unique() ? Qt::Checked : Qt::Unchecked);
        tbitem->setText(kDefault, f->defaultValue());
        tbitem->setText(kCheck, f->check());
        ui->treeWidget->addTopLevelItem(tbitem);
    }

QWidget *ZoomAction::createWidget(QWidget *parent)
{
    QComboBox *comboBox = new QComboBox(parent);

    if (m_comboBoxModel.isNull()) {
        m_comboBoxModel = comboBox->model();
        comboBox->addItem("10 %", 0.1);
        comboBox->addItem("25 %", 0.25);
        comboBox->addItem("50 %", 0.5);
        comboBox->addItem("100 %", 1.0);
        comboBox->addItem("200 %", 2.0);
        comboBox->addItem("400 %", 4.0);
        comboBox->addItem("800 %", 8.0);
        comboBox->addItem("1600 %", 16.0);

    } else {
        comboBox->setModel(m_comboBoxModel.data());
    }

    comboBox->setCurrentIndex(3);
    connect(comboBox, SIGNAL(currentIndexChanged(int)), SLOT(emitZoomLevelChanged(int)));
    connect(this, SIGNAL(indexChanged(int)), comboBox, SLOT(setCurrentIndex(int)));

    comboBox->setProperty("hideborder", true);
    return comboBox;
}

void VCMatrixPresetSelection::displayProperties(RGBScript *script)
{
    if (script == NULL)
        return;

    int gridRowIdx = 0;

    QList<RGBScriptProperty> properties = script->properties();
    if (properties.count() > 0)
        m_propertiesGroup->show();
    else
        m_propertiesGroup->hide();

    foreach(RGBScriptProperty prop, properties)
    {
        switch(prop.m_type)
        {
            case RGBScriptProperty::List:
            {
                QLabel *propLabel = new QLabel(prop.m_displayName);
                m_propertiesLayout->addWidget(propLabel, gridRowIdx, 0);
                QComboBox *propCombo = new QComboBox(this);
                propCombo->addItems(prop.m_listValues);
                propCombo->setProperty("pName", prop.m_name);
                QString pValue = script->property(prop.m_name);
                if (!pValue.isEmpty())
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
                    propCombo->setCurrentText(pValue);
#else
                    propCombo->setCurrentIndex(propCombo->findText(pValue));
#endif
                connect(propCombo, SIGNAL(currentIndexChanged(QString)),
                        this, SLOT(slotPropertyComboChanged(QString)));
                m_propertiesLayout->addWidget(propCombo, gridRowIdx, 1);
                gridRowIdx++;
            }
            break;
            case RGBScriptProperty::Range:
            {
                QLabel *propLabel = new QLabel(prop.m_displayName);
                m_propertiesLayout->addWidget(propLabel, gridRowIdx, 0);
                QSpinBox *propSpin = new QSpinBox(this);
                propSpin->setRange(prop.m_rangeMinValue, prop.m_rangeMaxValue);
                propSpin->setProperty("pName", prop.m_name);
                QString pValue = script->property(prop.m_name);
                if (!pValue.isEmpty())
                    propSpin->setValue(pValue.toInt());
                connect(propSpin, SIGNAL(valueChanged(int)),
                        this, SLOT(slotPropertySpinChanged(int)));
                m_propertiesLayout->addWidget(propSpin, gridRowIdx, 1);
                gridRowIdx++;
            }
            break;
            default:
                qWarning() << "Type" << prop.m_type << "not handled yet";
            break;
        }
    }
}

QWidget* ComboBoxDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
{
	// Create the combobox and populate it
	QComboBox *cb = new QComboBox(parent);
	cb->setProperty("combobox-delegate-index", QVariant::fromValue(index));

	connect(cb, SIGNAL(currentIndexChanged(int)), SLOT(updateData()));

	cb->insertItems(0, index.data(Qt::UserRole).toStringList());
	return cb;
}

QWidget *BackgroundAction::createWidget(QWidget *parent)
{
    QComboBox *comboBox = new QComboBox(parent);
    comboBox->setFixedWidth(42);

    for (int i = 0; i < colors().count(); ++i) {
        comboBox->addItem(tr(""));
        comboBox->setItemIcon(i, iconForColor((colors().at(i))));
    }

    comboBox->setCurrentIndex(0);
    connect(comboBox, SIGNAL(currentIndexChanged(int)), SLOT(emitBackgroundChanged(int)));

    comboBox->setProperty("hideborder", true);
    return comboBox;
}

QWidget* CameraParamsWidget::createEditorFor(const calibration::CameraParam& param)
{
	if(!param.choices.empty())
	{
		QComboBox* box = new QComboBox(m_w);
		for(uint i = 0; i < param.choices.size(); ++i)
		{
			box->addItem(
				param.choices[i].label.c_str(),
				param.choices[i].value
			);
			if(param.choices[i].value == param.value)
				box->setCurrentIndex(i);
		}

		box->setProperty("paramID", param.id);

		connect(box, SIGNAL(activated(int)), SLOT(updateComboBox()));

		return box;
	}

	if(param.minimum == 0 && param.maximum == 1)
	{
		QCheckBox* box = new QCheckBox(m_w);
		box->setChecked(param.value);

		box->setProperty("paramID", param.id);

		connect(box, SIGNAL(clicked(bool)), SLOT(updateCheckBox(bool)));

		return box;
	}

	QSlider* slider = new QSlider(Qt::Horizontal, m_w);
	slider->setMinimum(param.minimum);
	slider->setMaximum(param.maximum);
	slider->setValue(param.value);

	slider->setProperty("paramID", param.id);

	connect(slider, SIGNAL(valueChanged(int)), SLOT(updateSlider(int)));

	return slider;
}

void EFXEditor::updateModeColumn(QTreeWidgetItem* item, EFXFixture* ef)
{
    Q_ASSERT(item != NULL);
    Q_ASSERT(ef != NULL);

    if (m_tree->itemWidget(item, KColumnMode) == NULL)
    {
        QComboBox* combo = new QComboBox(m_tree);
        combo->setAutoFillBackground(true);

        combo->addItems(ef->modeList());

        const int index = combo->findText(ef->modeToString(ef->mode ()) );
        combo->setCurrentIndex(index);
        //combo->setCurrentText (ef->modeToString (ef->mode ()));

        m_tree->setItemWidget(item, KColumnMode, combo);
        combo->setProperty(PROPERTY_FIXTURE, (qulonglong) ef);
        connect(combo, SIGNAL(currentIndexChanged(int)),
                this, SLOT(slotFixtureModeChanged(int)));
    }

    foreach(sqlb::FieldPtr f, fields)
    {
        QTreeWidgetItem *tbitem = new QTreeWidgetItem(ui->treeWidget);
        tbitem->setFlags(tbitem->flags() | Qt::ItemIsEditable);
        tbitem->setText(kName, f->name());
        QComboBox* typeBox = new QComboBox(ui->treeWidget);
        typeBox->setProperty("column", f->name());
        typeBox->setEditable(true);
        typeBox->addItems(sqlb::Field::Datatypes);
        int index = typeBox->findText(f->type(), Qt::MatchExactly);
        if(index == -1)
        {
            // non standard named type
            typeBox->addItem(f->type());
            index = typeBox->count() - 1;
        }
        typeBox->setCurrentIndex(index);
        connect(typeBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateTypes()));
        ui->treeWidget->setItemWidget(tbitem, kType, typeBox);

        tbitem->setCheckState(kNotNull, f->notnull() ? Qt::Checked : Qt::Unchecked);
        tbitem->setCheckState(kPrimaryKey, pk.contains(f) ? Qt::Checked : Qt::Unchecked);
        tbitem->setCheckState(kAutoIncrement, f->autoIncrement() ? Qt::Checked : Qt::Unchecked);
        tbitem->setCheckState(kUnique, f->unique() ? Qt::Checked : Qt::Unchecked);

        // For the default value check if it is surrounded by parentheses and if that's the case
        // add a '=' character before the entire string to match the input format we're expecting
        // from the user when using functions in the default value field.
        if(f->defaultValue().startsWith('(') && f->defaultValue().endsWith(')'))
            tbitem->setText(kDefault, "=" + f->defaultValue());
        else
            tbitem->setText(kDefault, f->defaultValue());

        tbitem->setText(kCheck, f->check());

        QSharedPointer<sqlb::ForeignKeyClause> fk = m_table.constraint(f, sqlb::Constraint::ForeignKeyConstraintType).dynamicCast<sqlb::ForeignKeyClause>();
        if(fk)
            tbitem->setText(kForeignKey, fk->toString());
        ui->treeWidget->addTopLevelItem(tbitem);
    }

QWidget *ZoomAction::createWidget(QWidget *parent)
{
    QComboBox *comboBox = new QComboBox(parent);

    if (m_comboBoxModel.isNull()) {
        m_comboBoxModel = comboBox->model();
        comboBox->addItem(QLatin1String("6.25 %"), 0.0625);
        comboBox->addItem(QLatin1String("12.5 %"), 0.125);
        comboBox->addItem(QLatin1String("25 %"), 0.25);
        comboBox->addItem(QLatin1String("33 %"), 0.33);
        comboBox->addItem(QLatin1String("50 %"), 0.5);
        comboBox->addItem(QLatin1String("66 %"), 0.66);
        comboBox->addItem(QLatin1String("75 %"), 0.75);
        comboBox->addItem(QLatin1String("90 %"), 0.90);
        comboBox->addItem(QLatin1String("100 %"), 1.0);
        comboBox->addItem(QLatin1String("125 %"), 1.25);
        comboBox->addItem(QLatin1String("150 %"), 1.5);
        comboBox->addItem(QLatin1String("175 %"), 1.75);
        comboBox->addItem(QLatin1String("200 %"), 2.0);
        comboBox->addItem(QLatin1String("300 %"), 3.0);
        comboBox->addItem(QLatin1String("400 %"), 4.0);
        comboBox->addItem(QLatin1String("600 %"), 6.0);
        comboBox->addItem(QLatin1String("800 %"), 8.0);
        comboBox->addItem(QLatin1String("1000 %"), 10.0);
        comboBox->addItem(QLatin1String("1600 %"), 16.0);
    } else {
        comboBox->setModel(m_comboBoxModel.data());
    }

    comboBox->setCurrentIndex(8);
    connect(comboBox, SIGNAL(currentIndexChanged(int)), SLOT(emitZoomLevelChanged(int)));
    connect(this, SIGNAL(indexChanged(int)), comboBox, SLOT(setCurrentIndex(int)));

    comboBox->setProperty("hideborder", true);
    return comboBox;
}

Channels::Channels(QWidget * parent, ModelData & model, GeneralSettings & generalSettings, FirmwareInterface * firmware):
  ModelPanel(parent, model, generalSettings, firmware)
{
  QGridLayout * gridLayout = new QGridLayout(this);
  bool minimize = false;

  int col = 1;
  if (firmware->getCapability(ChannelsName)) {
    minimize=true;
    addLabel(gridLayout, tr("Name"), col++);
  }
  addLabel(gridLayout, tr("Subtrim"), col++, minimize);
  addLabel(gridLayout, tr("Min"), col++, minimize);
  addLabel(gridLayout, tr("Max"), col++, minimize);
  addLabel(gridLayout, tr("Direction"), col++, minimize);
  if (IS_TARANIS(GetEepromInterface()->getBoard()))
    addLabel(gridLayout, tr("Curve"), col++, minimize);
  if (firmware->getCapability(PPMCenter))
    addLabel(gridLayout, tr("PPM Center"), col++, minimize);
  if (firmware->getCapability(SYMLimits))
    addLabel(gridLayout, tr("Linear Subtrim"), col++, true);

  for (int i=0; i<firmware->getCapability(Outputs); i++) {
    col = 0;

    // Channel label
    QLabel *label = new QLabel(this);
    label->setText(tr("Channel %1").arg(i+1));
    label->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
    gridLayout->addWidget(label, i+1, col++, 1, 1);

    // Channel name
    int nameLen = firmware->getCapability(ChannelsName);
    if (nameLen > 0) {
      QLineEdit * name = new QLineEdit(this);
      name->setProperty("index", i);
      name->setMaxLength(nameLen);
      QRegExp rx(CHAR_FOR_NAMES_REGEX);
      name->setValidator(new QRegExpValidator(rx, this));
      name->setText(model.limitData[i].name);
      connect(name, SIGNAL(editingFinished()), this, SLOT(nameEdited()));
      gridLayout->addWidget(name, i+1, col++, 1, 1);
    }

    // Channel offset
    limitsGroups << new LimitsGroup(firmware, gridLayout, i+1, col++, model.limitData[i].offset, -1000, 1000, 0);

    // Channel min
    limitsGroups << new LimitsGroup(firmware, gridLayout, i+1, col++, model.limitData[i].min, -model.getChannelsMax()*10, 0, -1000);

    // Channel max
    limitsGroups << new LimitsGroup(firmware, gridLayout, i+1, col++, model.limitData[i].max, 0, model.getChannelsMax()*10, 1000);

    // Channel inversion
    QComboBox * invCB = new QComboBox(this);
    invCB->insertItems(0, QStringList() << tr("---") << tr("INV"));
    invCB->setProperty("index", i);
    invCB->setCurrentIndex((model.limitData[i].revert) ? 1 : 0);
    connect(invCB, SIGNAL(currentIndexChanged(int)), this, SLOT(invEdited()));
    gridLayout->addWidget(invCB, i+1, col++, 1, 1);

    // Curve
    if (IS_TARANIS(GetEepromInterface()->getBoard())) {
      QComboBox * curveCB = new QComboBox(this);
      curveCB->setProperty("index", i);
      int numcurves = firmware->getCapability(NumCurves);
      for (int j=-numcurves; j<=numcurves; j++) {
        curveCB->addItem(CurveReference(CurveReference::CURVE_REF_CUSTOM, j).toString(), j);
      }
      curveCB->setCurrentIndex(model.limitData[i].curve.value+numcurves);
      connect(curveCB, SIGNAL(currentIndexChanged(int)), this, SLOT(curveEdited()));
      gridLayout->addWidget(curveCB, i+1, col++, 1, 1);
    }

    // PPM center
    if (firmware->getCapability(PPMCenter)) {
      QSpinBox * center = new QSpinBox(this);
      center->setProperty("index", i);
      center->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
      center->setSuffix("us");
      center->setMinimum(1375);
      center->setMaximum(1625);
      center->setValue(1500);
      center->setValue(model.limitData[i].ppmCenter + 1500);
      connect(center, SIGNAL(editingFinished()), this, SLOT(ppmcenterEdited()));
      gridLayout->addWidget(center, i+1, col++, 1, 1);
    }

    // Symetrical limits
    if (firmware->getCapability(SYMLimits)) {
      QCheckBox * symlimits = new QCheckBox(this);
      symlimits->setProperty("index", i);
      symlimits->setChecked(model.limitData[i].symetrical);
      connect(symlimits, SIGNAL(toggled(bool)), this, SLOT(symlimitsEdited()));
      gridLayout->addWidget(symlimits, i+1, col++, 1, 1);
    }
  }

void QgsRelationReferenceWidget::init()
{
  if ( !mReadOnlySelector && mReferencedLayer )
  {
    QApplication::setOverrideCursor( Qt::WaitCursor );

    QSet<QString> requestedAttrs;

    if ( !mFilterFields.isEmpty() )
    {
      for ( const QString &fieldName : qgis::as_const( mFilterFields ) )
      {
        int idx = mReferencedLayer->fields().lookupField( fieldName );

        if ( idx == -1 )
          continue;

        QComboBox *cb = new QComboBox();
        cb->setProperty( "Field", fieldName );
        cb->setProperty( "FieldAlias", mReferencedLayer->attributeDisplayName( idx ) );
        mFilterComboBoxes << cb;
        QVariantList uniqueValues = mReferencedLayer->uniqueValues( idx ).toList();
        cb->addItem( mReferencedLayer->attributeDisplayName( idx ) );
        QVariant nullValue = QgsApplication::nullRepresentation();
        cb->addItem( nullValue.toString(), QVariant( mReferencedLayer->fields().at( idx ).type() ) );

        std::sort( uniqueValues.begin(), uniqueValues.end(), qgsVariantLessThan );
        const auto constUniqueValues = uniqueValues;
        for ( const QVariant &v : constUniqueValues )
        {
          cb->addItem( v.toString(), v );
        }

        connect( cb, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsRelationReferenceWidget::filterChanged );

        // Request this attribute for caching
        requestedAttrs << fieldName;

        mFilterLayout->addWidget( cb );
      }

      if ( mChainFilters )
      {
        QVariant nullValue = QgsApplication::nullRepresentation();

        QgsFeature ft;
        QgsFeatureIterator fit = mReferencedLayer->getFeatures();
        while ( fit.nextFeature( ft ) )
        {
          const int count = std::min( mFilterComboBoxes.count(), mFilterFields.count() );
          for ( int i = 0; i < count - 1; i++ )
          {
            QVariant cv = ft.attribute( mFilterFields.at( i ) );
            QVariant nv = ft.attribute( mFilterFields.at( i + 1 ) );
            QString cf = cv.isNull() ? nullValue.toString() : cv.toString();
            QString nf = nv.isNull() ? nullValue.toString() : nv.toString();
            mFilterCache[mFilterFields[i]][cf] << nf;
          }
        }

        if ( !mFilterComboBoxes.isEmpty() )
        {
          QComboBox *cb = mFilterComboBoxes.first();
          cb->setCurrentIndex( 0 );
          disableChainedComboBoxes( cb );
        }
      }
    }
    else
    {
      mFilterContainer->hide();
    }

    mComboBox->setSourceLayer( mReferencedLayer );
    mComboBox->setDisplayExpression( mReferencedLayer->displayExpression() );
    mComboBox->setAllowNull( mAllowNull );
    mComboBox->setIdentifierField( mReferencedField );

    QVariant nullValue = QgsApplication::nullRepresentation();

    if ( mChainFilters && mFeature.isValid() )
    {
      for ( int i = 0; i < mFilterFields.size(); i++ )
      {
        QVariant v = mFeature.attribute( mFilterFields[i] );
        QString f = v.isNull() ? nullValue.toString() : v.toString();
        mFilterComboBoxes.at( i )->setCurrentIndex( mFilterComboBoxes.at( i )->findText( f ) );
      }
    }

    // Only connect after iterating, to have only one iterator on the referenced table at once
    connect( mComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsRelationReferenceWidget::comboReferenceChanged );
    //call it for the first time
    emit mComboBox->currentIndexChanged( mComboBox->currentIndex() );

    QApplication::restoreOverrideCursor();

    mInitialized = true;
  }
}

//.........这里部分代码省略.........

   removeButton->setMenu(removeMenu);

   connect(applyButton, SIGNAL(clicked()), this, SLOT(onShaderApplyClicked()));

   topButtonLayout = new QHBoxLayout();
   topButtonLayout->addWidget(loadButton);
   topButtonLayout->addWidget(saveButton);
   topButtonLayout->addWidget(removeButton);
   topButtonLayout->addWidget(applyButton);

   m_layout->addLayout(topButtonLayout);

   /* NOTE: We assume that parameters are always grouped in order by the pass number, e.g., all parameters for pass 0 come first, then params for pass 1, etc. */
   for (i = 0; avail_shader && i < avail_shader->passes; i++)
   {
      QFormLayout *form = NULL;
      QGroupBox *groupBox = NULL;
      QFileInfo fileInfo(avail_shader->pass[i].source.path);
      QString shaderBasename = fileInfo.completeBaseName();
      QHBoxLayout *filterScaleHBoxLayout = NULL;
      QComboBox *filterComboBox = new QComboBox(this);
      QComboBox *scaleComboBox = new QComboBox(this);
      QToolButton *moveDownButton = NULL;
      QToolButton *moveUpButton = NULL;
      unsigned j = 0;

      /* Sometimes video_shader shows 1 pass with no source file, when there are really 0 passes. */
      if (shaderBasename.isEmpty())
         continue;

      hasPasses = true;

      filterComboBox->setProperty("pass", i);
      scaleComboBox->setProperty("pass", i);

      moveDownButton = new QToolButton(this);
      moveDownButton->setText("↓");
      moveDownButton->setProperty("pass", i);

      moveUpButton = new QToolButton(this);
      moveUpButton->setText("↑");
      moveUpButton->setProperty("pass", i);

      /* Can't move down if we're already at the bottom. */
      if (i < avail_shader->passes - 1)
         connect(moveDownButton, SIGNAL(clicked()), this, SLOT(onShaderPassMoveDownClicked()));
      else
         moveDownButton->setDisabled(true);

      /* Can't move up if we're already at the top. */
      if (i > 0)
         connect(moveUpButton, SIGNAL(clicked()), this, SLOT(onShaderPassMoveUpClicked()));
      else
         moveUpButton->setDisabled(true);

      for (;;)
      {
         QString filterLabel = getFilterLabel(j);

         if (filterLabel.isEmpty())
            break;

         if (j == 0)
            filterLabel = msg_hash_to_str(MENU_ENUM_LABEL_VALUE_DONT_CARE);