本文整理汇总了C++中LabelList::empty方法的典型用法代码示例。如果您正苦于以下问题：C++ LabelList::empty方法的具体用法？C++ LabelList::empty怎么用？C++ LabelList::empty使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LabelList的用法示例。
在下文中一共展示了LabelList::empty方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
// Find the label whose buddy the widget is.
QLabel *buddyLabelOf(QDesignerFormWindowInterface *fw, QWidget *w)
{
typedef QList<QLabel*> LabelList;
const LabelList labelList = fw->findChildren<QLabel*>();
if (labelList.empty())
return 0;
const LabelList::const_iterator cend = labelList.constEnd();
for (LabelList::const_iterator it = labelList.constBegin(); it != cend; ++it )
if ( (*it)->buddy() == w)
return *it;
return 0;
}示例2: updateBuddies
void QDesignerFormWindowCommand::updateBuddies(QDesignerFormWindowInterface *form,
const QString &old_name,
const QString &new_name)
{
QExtensionManager* extensionManager = form->core()->extensionManager();
typedef QList<QLabel*> LabelList;
const LabelList label_list = qFindChildren<QLabel*>(form);
if (label_list.empty())
return;
const QString buddyProperty = QLatin1String("buddy");
const LabelList::const_iterator cend = label_list.constEnd();
for (LabelList::const_iterator it = label_list.constBegin(); it != cend; ++it ) {
if (QDesignerPropertySheetExtension* sheet = qt_extension<QDesignerPropertySheetExtension*>(extensionManager, *it)) {
const int idx = sheet->indexOf(buddyProperty);
if (idx != -1 && sheet->property(idx).toString() == old_name)
sheet->setProperty(idx, new_name);
}
}
}示例3: channelColors
void
AverageDisplay::Initialize( const SignalProperties&, const SignalProperties& )
{
for( size_t i = 0; i < mVisualizations.size(); ++i )
mVisualizations[ i ].Send( CfgID::Visible, false );
mVisualizations.clear();
mChannelIndices.clear();
mPowerSums.clear();
mTargetCodes.clear();
mSignalOfCurrentRun.clear();
#ifdef SET_BASELINE
mBaselines.clear();
mBaselineSamples.clear();
#endif // SET_BASELINE
LabelList markerLabels;
for( int i = 0; i < Parameter( "AvgDisplayMarkers" )->NumRows(); ++i )
{
string markerName = Parameter( "AvgDisplayMarkers" )( i, 0 );
int position =
MeasurementUnits::ReadAsTime( OptionalParameter( markerName, -1 ) )
* Parameter( "SampleBlockSize" );
if( position >= 0 )
markerLabels.push_back( Label( position, markerName ) );
}
int numChannels = Parameter( "AvgDisplayCh" )->NumRows();
mPowerSums.resize( maxPower + 1, vector<vector<vector<float> > >( numChannels ) );
for( int i = 0; i < numChannels; ++i )
{
ostringstream oss;
oss << "AVG" << i;
mVisualizations.push_back( GenericVisualization( oss.str() ) );
GenericVisualization& vis = mVisualizations[ i ];
string windowTitle = Parameter( "AvgDisplayCh" )( i, 1 );
if( windowTitle == "" )
windowTitle = "unknown";
windowTitle += " Average";
vis.Send( CfgID::WindowTitle, windowTitle );
// Note min and max value are interchanged to account for EEG display direction.
vis.Send( CfgID::MinValue, int( Parameter( "AvgDisplayMin" ) ) );
vis.Send( CfgID::MaxValue, int( Parameter( "AvgDisplayMax" ) ) );
vis.Send( CfgID::NumSamples, 0 );
vis.Send( CfgID::GraphType, CfgID::Polyline );
if( !markerLabels.empty() )
vis.Send( CfgID::XAxisMarkers, markerLabels );
ColorList channelColors( sChannelColors );
vis.Send( CfgID::ChannelColors, channelColors );
vis.Send( CfgID::ChannelGroupSize, 0 );
vis.Send( CfgID::ShowBaselines, 1 );
vis.Send( CfgID::Visible, true );
mChannelIndices.push_back( Parameter( "AvgDisplayCh" )( i, 0 ) - 1 );
}
mSignalOfCurrentRun.resize( numChannels );
#ifdef SET_BASELINE
mBaselines.resize( numChannels );
mBaselineSamples.resize( numChannels );
#endif // SET_BASELINE
mLastTargetCode = 0;
}