C++ QTableWidget::resizeColumnToContents方法代码示例

void Window::createGUI()
{
    QList<QPair<QString, QColor> > list;
    list << QPair<QString, QColor>(tr("Alice"), QColor("aliceblue")) <<
            QPair<QString, QColor>(tr("Neptun"), QColor("aquamarine")) <<
            QPair<QString, QColor>(tr("Ferdinand"), QColor("springgreen"));

    QTableWidget *table = new QTableWidget(3, 2);
    table->setHorizontalHeaderLabels(QStringList() << tr("Name")
                                                   << tr("Hair Color"));
    table->verticalHeader()->setVisible(false);
    table->resize(150, 50);

    for (int i = 0; i < 3; ++i) {
        QPair<QString, QColor> pair = list.at(i);

        QTableWidgetItem *nameItem = new QTableWidgetItem(pair.first);
        QTableWidgetItem *colorItem = new QTableWidgetItem;
        colorItem->setData(Qt::DisplayRole, pair.second);

        table->setItem(i, 0, nameItem);
        table->setItem(i, 1, colorItem);
    }
    table->resizeColumnToContents(0);
    table->horizontalHeader()->setStretchLastSection(true);

    QGridLayout *layout = new QGridLayout;
    layout->addWidget(table, 0, 0);

    setLayout(layout);

    setWindowTitle(tr("Color Editor Factory"));
}

void VotePage::updateLiquidity()
{
    unsigned char cUnit = 'B';
    LiquidityTotal total;
    QMap<QString, LiquidityTotal> tierMap;
    {
        LOCK(cs_mapLiquidityInfo);

        BOOST_FOREACH(const PAIRTYPE(const CLiquiditySource, CLiquidityInfo)& item, mapLiquidityInfo)
        {
            const CLiquidityInfo& info = item.second;
            if (info.cUnit == cUnit)
            {
                total += info;
                QString tier = QString::fromStdString(info.GetTier());
                tierMap[tier] += info;
            }
        }
    }

    QTableWidget* table = ui->liquidity;
    table->setRowCount(0);

    QMap<QString, LiquidityTotal>::const_iterator it = tierMap.constBegin();
    while (it != tierMap.constEnd())
    {
        const QString& tier = it.key();
        const LiquidityTotal& liquidity = it.value();

        QString label;
        if (tier == "")
            label = tr("Unknown tier");
        else
            label = tr("Tier %1").arg(tier);
        liquidity.AddToTable(table, label);

        it++;
    }

    total.AddToTable(table, tr("Total"));

    table->setVisible(false);
    table->resizeColumnToContents(0);
    table->setVisible(true);
}

void PrintingController::printObjects(FWObject *firewall_to_print,
                                      bool newPageForSection)
{
    if (fwbdebug) qDebug("******** Objects");

    if (newPageForSection)
    {
        pr->flushPage();
        pr->beginPage();   // resets yPos
    } else
        pr->printText("\n");

    pr->printText(QObject::tr("Objects"));
    pr->printText(" ");

    bool haveObjGroups = false;
    bool haveSrvGroups = false;

    QTableWidget *fwObjTbl = new QTableWidget(1,3);
    configureQTableForPrint(fwObjTbl);

    QString descr;

    int row = 0;
    int col = 0;

    addObjectsByTypeToTable(firewall_to_print, Firewall::TYPENAME,
                            fwObjTbl, row, col);

    for (int i=0; i<fwObjTbl->columnCount(); ++i)
        fwObjTbl->resizeColumnToContents(i);
    for (int i=0; i<fwObjTbl->rowCount(); ++i)
        fwObjTbl->resizeRowToContents(i);

    QSize sh = fwObjTbl->sizeHint();
    fwObjTbl->resize(sh.width(), sh.height());
    pr->printQTable(fwObjTbl, false, false);
    pr->printText(" ");

    QTableWidget *objTbl = new QTableWidget(1,6);
    configureQTableForPrint(objTbl);

    row = 0;
    col = 0;

    addObjectsByTypeToTable(firewall_to_print, Host::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print, Network::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print, NetworkIPv6::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print, IPv4::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print, IPv6::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print,
                            AddressRange::TYPENAME,
                            objTbl, row, col);

    haveObjGroups = addObjectsByTypeToTable(
        firewall_to_print, ObjectGroup::TYPENAME,
        objTbl, row, col);

    addObjectsByTypeToTable(firewall_to_print, IPService::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print,
                            ICMPService::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print,
                            ICMP6Service::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print, TCPService::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print, UDPService::TYPENAME,
                            objTbl, row, col);
    addObjectsByTypeToTable(firewall_to_print,
                            CustomService::TYPENAME,
                            objTbl, row, col);

    haveSrvGroups = addObjectsByTypeToTable(
        firewall_to_print, ServiceGroup::TYPENAME,
        objTbl, row, col);

    addObjectsByTypeToTable(firewall_to_print, Interval::TYPENAME,
                            objTbl, row, col);

    for (int i=0; i<objTbl->columnCount(); ++i)
        objTbl->resizeColumnToContents(i);
    for (int i=0; i<objTbl->rowCount(); ++i)
        objTbl->resizeRowToContents(i);

    sh = objTbl->sizeHint();
    objTbl->resize(sh.width(), sh.height());
    pr->printQTable(objTbl, false, false);

    if (haveObjGroups || haveSrvGroups)
    {
        if (fwbdebug) qDebug("******** Groups");

        pr->printText("\n");
//.........这里部分代码省略.........

void QgsVectorGradientColorRampV2Dialog::on_btnInformation_pressed()
{
  if ( mRamp->info().isEmpty() )
    return;

  QgsDialog *dlg = new QgsDialog( this );
  QLabel *label = 0;

  // information table
  QTableWidget *tableInfo = new QTableWidget( dlg );
  tableInfo->verticalHeader()->hide();
  tableInfo->horizontalHeader()->hide();
  tableInfo->setRowCount( mRamp->info().count() );
  tableInfo->setColumnCount( 2 );
  int i = 0;
  for ( QgsStringMap::const_iterator it = mRamp->info().constBegin();
        it != mRamp->info().constEnd(); ++it )
  {
    if ( it.key().startsWith( "cpt-city" ) )
      continue;
    tableInfo->setItem( i, 0, new QTableWidgetItem( it.key() ) );
    tableInfo->setItem( i, 1, new QTableWidgetItem( it.value() ) );
    tableInfo->resizeRowToContents( i );
    i++;
  }
  tableInfo->resizeColumnToContents( 0 );
  tableInfo->horizontalHeader()->setStretchLastSection( true );
  tableInfo->setRowCount( i );
  tableInfo->setFixedHeight( tableInfo->rowHeight( 0 ) * i + 5 );
  dlg->layout()->addWidget( tableInfo );
  dlg->resize( 600, 250 );

  dlg->layout()->addSpacing( 5 );

  // gradient file
  QString gradientFile = mRamp->info().value( "cpt-city-gradient" );
  if ( ! gradientFile.isNull() )
  {
    QString fileName = gradientFile;
    fileName.replace( "<cpt-city>", QgsCptCityArchive::defaultBaseDir() );
    if ( ! QFile::exists( fileName ) )
    {
      fileName = gradientFile;
      fileName.replace( "<cpt-city>", "http://soliton.vm.bytemark.co.uk/pub/cpt-city" );
    }
    label = new QLabel( tr( "Gradient file : %1" ).arg( fileName ), dlg );
    label->setTextInteractionFlags( Qt::TextBrowserInteraction );
    dlg->layout()->addSpacing( 5 );
    dlg->layout()->addWidget( label );
  }

  // license file
  QString licenseFile = mRamp->info().value( "cpt-city-license" );
  if ( !licenseFile.isNull() )
  {
    QString fileName = licenseFile;
    fileName.replace( "<cpt-city>", QgsCptCityArchive::defaultBaseDir() );
    if ( ! QFile::exists( fileName ) )
    {
      fileName = licenseFile;
      fileName.replace( "<cpt-city>", "http://soliton.vm.bytemark.co.uk/pub/cpt-city" );
    }
    label = new QLabel( tr( "License file : %1" ).arg( fileName ), dlg );
    label->setTextInteractionFlags( Qt::TextBrowserInteraction );
    dlg->layout()->addSpacing( 5 );
    dlg->layout()->addWidget( label );
    if ( QFile::exists( fileName ) )
    {
      QTextEdit *textEdit = new QTextEdit( dlg );
      textEdit->setReadOnly( true );
      QFile file( fileName );
      if ( file.open( QIODevice::ReadOnly | QIODevice::Text ) )
      {
        textEdit->setText( file.readAll() );
        file.close();
        dlg->layout()->addSpacing( 5 );
        dlg->layout()->addWidget( textEdit );
        dlg->resize( 600, 500 );
      }
    }
  }

  dlg->show(); //non modal
}

void PrintingController::printLegend(bool newPageForSection)
{
    if (fwbdebug) qDebug("******** Legend");

    if (newPageForSection)
    {
        pr->flushPage();
        pr->beginPage();   // resets yPos
    } else
        pr->printText("\n");

    pr->printText(QObject::tr("Legend"));
    pr->printText(" ");

    QTableWidget *legendTbl = new QTableWidget(1,2);
    configureQTableForPrint(legendTbl);

    string icon_path="/FWBuilderResources/Type/";
    int row = 0;
    int col = 0;

    QPixmap pm;

    QPixmap bfr(32,32);
    QPainter bfrp(&bfr);

    for (int i=0; !legendList[i].isEmpty(); ++i,++i)
    {
        if (row >= legendTbl->rowCount()) legendTbl->insertRow(row);

        QString type_name = legendList[i];
        QString objName = legendList[i+1];

        if (type_name==CustomService::TYPENAME)
        {
            col++;
            row=0;
        }

#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
        if (fwbdebug)
            qDebug("Legend table: row=%d col=%d %s %s",
                   row, col, type_name.toAscii().constData(),
                   objName.toAscii().constData());
#else
        if (fwbdebug)
            qDebug("Legend table: row=%d col=%d %s %s",
                   row, col, type_name.toLatin1().constData(),
                   objName.toLatin1().constData());
#endif

        QString icn = ":/Icons/"+type_name+"/icon";
        QPixmap pm;
        if ( ! QPixmapCache::find( icn, pm) )
        {
            pm.load( icn );
            QPixmapCache::insert( icn, pm);
        }

        bfrp.fillRect(0,0,32,32,QColor(Qt::white));
        bfrp.drawPixmap(4,4,pm);

        QTableWidgetItem *itm = new QTableWidgetItem;
        itm->setIcon(QIcon(bfr));
        itm->setText(objName);
        legendTbl->setItem(row, col, itm);

        row++;
    }

    legendTbl->resizeColumnToContents(0);
    legendTbl->resizeColumnToContents(1);

    for (int i=0; i<legendTbl->rowCount(); ++i)
        legendTbl->resizeRowToContents(i);

    QSize sh = legendTbl->sizeHint();
    legendTbl->resize(sh.width(),sh.height());
    if (fwbdebug) qDebug("legendTbl size: %dx%d",
                         legendTbl->width(),legendTbl->height());

    pr->printQTable(legendTbl, false, false);
}