C++ QCheckBox::width方法代码示例

QgsDataDefinedSymbolDialog::QgsDataDefinedSymbolDialog( const QMap< QString, QPair< QString, QString > >& properties, const QgsVectorLayer* vl,
    QWidget* parent, Qt::WindowFlags f ): QDialog( parent, f ), mVectorLayer( vl )
{
  setupUi( this );

  QgsFields attributeFields;
  if ( mVectorLayer )
  {
    attributeFields = mVectorLayer->pendingFields();
  }

  mTableWidget->setRowCount( properties.size() );

  int i = 0;
  QMap< QString, QPair< QString, QString > >::const_iterator it = properties.constBegin();
  for ( ; it != properties.constEnd(); ++it )
  {
    //check box
    QCheckBox* cb = new QCheckBox( this );
    cb->setChecked( !it.value().second.isEmpty() );
    mTableWidget->setCellWidget( i, 0, cb );
    mTableWidget->setColumnWidth( 0, cb->width() );


    //property name
    QTableWidgetItem* propertyItem = new QTableWidgetItem( it.value().first );
    propertyItem->setData( Qt::UserRole, it.key() );
    mTableWidget->setItem( i, 1, propertyItem );

    //attribute list
    QString expressionString = it.value().second;
    QComboBox* attributeComboBox = new QComboBox( this );
    attributeComboBox->addItem( QString() );
    for ( int j = 0; j < attributeFields.count(); ++j )
    {
      attributeComboBox->addItem( attributeFields.at( j ).name() );
    }

    int attrComboIndex = comboIndexForExpressionString( expressionString, attributeComboBox );
    if ( attrComboIndex >= 0 )
    {
      attributeComboBox->setCurrentIndex( attrComboIndex );
    }
    else
    {
      attributeComboBox->setItemText( 0, expressionString );
    }

    mTableWidget->setCellWidget( i, 2, attributeComboBox );

    //expression button
    QPushButton* expressionButton = new QPushButton( "...", this );
    QObject::connect( expressionButton, SIGNAL( clicked() ), this, SLOT( expressionButtonClicked() ) );
    mTableWidget->setCellWidget( i, 3, expressionButton );
    ++i;
  }
}

void AccountsListDelegate::updateItemWidgets(const QList<QWidget *> widgets, const QStyleOptionViewItem &option, const QPersistentModelIndex &index) const
{
    // draws:
    //                   AccountName
    // Checkbox | Icon |              | ConnectionIcon | ConnectionState
    //                   errorMessage

    if (!index.isValid()) {
        return;
    }

    Q_ASSERT(widgets.size() == 6);

    // Get the widgets
    QCheckBox* checkbox = qobject_cast<QCheckBox*>(widgets.at(0));
    ChangeIconButton* changeIconButton = qobject_cast<ChangeIconButton*>(widgets.at(1));
    QLabel *statusTextLabel = qobject_cast<QLabel*>(widgets.at(2));
    QLabel *statusIconLabel = qobject_cast<QLabel*>(widgets.at(3));
    EditDisplayNameButton *displayNameButton = qobject_cast<EditDisplayNameButton*>(widgets.at(4));
    QLabel *connectionErrorLabel = qobject_cast<QLabel*>(widgets.at(5));

    Q_ASSERT(checkbox);
    Q_ASSERT(changeIconButton);
    Q_ASSERT(statusTextLabel);
    Q_ASSERT(statusIconLabel);
    Q_ASSERT(displayNameButton);
    Q_ASSERT(connectionErrorLabel);


    bool isSelected(itemView()->selectionModel()->isSelected(index) && itemView()->hasFocus());
    bool isEnabled(index.data(KTp::AccountsListModel::EnabledRole).toBool());
    KIcon accountIcon(index.data(Qt::DecorationRole).value<QIcon>());
    KIcon statusIcon(index.data(KTp::AccountsListModel::ConnectionStateIconRole).value<QIcon>());
    QString statusText(index.data(KTp::AccountsListModel::ConnectionStateDisplayRole).toString());
    QString displayName(index.data(Qt::DisplayRole).toString());
    QString connectionError(index.data(KTp::AccountsListModel::ConnectionErrorMessageDisplayRole).toString());
    Tp::AccountPtr account(index.data(KTp::AccountsListModel::AccountRole).value<Tp::AccountPtr>());

    if (!account->isEnabled()) {
      connectionError = i18n("Click checkbox to enable");
    }

    QRect outerRect(0, 0, option.rect.width(), option.rect.height());
    QRect contentRect = outerRect.adjusted(m_hpadding,m_vpadding,-m_hpadding,-m_vpadding); //add some padding


    // checkbox
    if (isEnabled) {
        checkbox->setChecked(true);;
        checkbox->setToolTip(i18n("Disable account"));
    } else {
        checkbox->setChecked(false);
        checkbox->setToolTip(i18n("Enable account"));
    }

    int checkboxLeftMargin = contentRect.left();
    int checkboxTopMargin = (outerRect.height() - checkbox->height()) / 2;
    checkbox->move(checkboxLeftMargin, checkboxTopMargin);


    // changeIconButton
    changeIconButton->setIcon(accountIcon);
    changeIconButton->setAccount(account);
    // At the moment (KDE 4.8.1) decorationSize is not passed from KWidgetItemDelegate
    // through the QStyleOptionViewItem, therefore we leave default size unless
    // the user has a more recent version.
    if (option.decorationSize.width() > -1) {
        changeIconButton->setButtonIconSize(option.decorationSize.width());
    }

    int changeIconButtonLeftMargin = checkboxLeftMargin + checkbox->width();
    int changeIconButtonTopMargin = (outerRect.height() - changeIconButton->height()) / 2;
    changeIconButton->move(changeIconButtonLeftMargin, changeIconButtonTopMargin);


    // statusTextLabel
    QFont statusTextFont = option.font;
    QPalette statusTextLabelPalette = option.palette;
    if (isEnabled) {
        statusTextLabel->setEnabled(true);
        statusTextFont.setItalic(false);
    } else {
        statusTextLabel->setDisabled(true);
        statusTextFont.setItalic(true);
    }
    if (isSelected) {
        statusTextLabelPalette.setColor(QPalette::Text, statusTextLabelPalette.color(QPalette::Active, QPalette::HighlightedText));
    }
    statusTextLabel->setPalette(statusTextLabelPalette);
    statusTextLabel->setFont(statusTextFont);
    statusTextLabel->setText(statusText);
    statusTextLabel->setFixedSize(statusTextLabel->fontMetrics().boundingRect(statusText).width(),
                                  statusTextLabel->height());
    int statusTextLabelLeftMargin = contentRect.right() - statusTextLabel->width();
    int statusTextLabelTopMargin = (outerRect.height() - statusTextLabel->height()) / 2;
    statusTextLabel->move(statusTextLabelLeftMargin, statusTextLabelTopMargin);


    // statusIconLabel
    statusIconLabel->setPixmap(statusIcon.pixmap(KIconLoader::SizeSmall));
//.........这里部分代码省略.........

QgsDataDefinedSymbolDialog::QgsDataDefinedSymbolDialog( const QList< DataDefinedSymbolEntry >& entries, const QgsVectorLayer* vl, QWidget * parent, Qt::WindowFlags f )
  : QDialog( parent, f )
  , mVectorLayer( vl )
{
  setupUi( this );

  QgsFields attributeFields;
  if ( mVectorLayer )
  {
    attributeFields = mVectorLayer->pendingFields();
  }

  mTableWidget->setRowCount( entries.size() );

  int i = 0;
  QList< DataDefinedSymbolEntry >::const_iterator entryIt = entries.constBegin();
  for ( ; entryIt != entries.constEnd(); ++entryIt )
  {
    //check box
    QCheckBox* cb = new QCheckBox( this );
    cb->setChecked( !entryIt->initialValue.isEmpty() );
    mTableWidget->setCellWidget( i, 0, cb );
    mTableWidget->setColumnWidth( 0, cb->width() );


    //property name
    QTableWidgetItem* propertyItem = new QTableWidgetItem( entryIt->title );
    propertyItem->setData( Qt::UserRole, entryIt->property );
    mTableWidget->setItem( i, 1, propertyItem );

    //attribute list
    QString expressionString = entryIt->initialValue;
    QComboBox* attributeComboBox = new QComboBox( this );
    attributeComboBox->addItem( QString() );
    for ( int j = 0; j < attributeFields.count(); ++j )
    {
      attributeComboBox->addItem( attributeFields.at( j ).name() );
    }

    int attrComboIndex = comboIndexForExpressionString( expressionString, attributeComboBox );
    if ( attrComboIndex >= 0 )
    {
      attributeComboBox->setCurrentIndex( attrComboIndex );
    }
    else
    {
      attributeComboBox->setItemText( 0, expressionString );
    }

    mTableWidget->setCellWidget( i, 2, attributeComboBox );

    //expression button
    QPushButton* expressionButton = new QPushButton( "...", this );
    QObject::connect( expressionButton, SIGNAL( clicked() ), this, SLOT( expressionButtonClicked() ) );
    mTableWidget->setCellWidget( i, 3, expressionButton );

    //help text
    QTableWidgetItem* helpItem = new QTableWidgetItem( entryIt->helpText );
    mTableWidget->setItem( i, 4, helpItem );

    ++i;
  }
}