C++ KComboBox类代码示例

void KSelectAction_UnitTest::testSetToolTipBeforeRequestingComboBoxWidget()
{
    KSelectAction selectAction("selectAction", 0);
    selectAction.setToolBarMode(KSelectAction::ComboBoxMode);
    selectAction.setToolTip("Test");
    selectAction.setEnabled(false); // also test disabling the action

    QWidget parent;
    QWidget* widget = selectAction.requestWidget(&parent);

    QVERIFY(widget);
    KComboBox* comboBox = qobject_cast<KComboBox*>(widget);
    QVERIFY(comboBox);
    QCOMPARE(comboBox->toolTip(), QString("Test"));
    QCOMPARE(comboBox->isEnabled(), false);
}

void RuleDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
    const QString rule = index.data(Qt::EditRole).toString();

    if (rule.isEmpty())
    {
        return;
    }

    KLineEdit *ruleLineEdit = static_cast<KLineEdit*>(editor->layout()->itemAt(0)->widget());
    ruleLineEdit->setText(rule.mid(rule.indexOf('+', 3) + 1));

    KComboBox *matchComboBox = static_cast<KComboBox*>(editor->layout()->itemAt(1)->widget());
    matchComboBox->setCurrentIndex(rule.mid(2, (rule.indexOf('+', 3) - 2)).toInt());

    QCheckBox *requiredCheckBox = static_cast<QCheckBox*>(editor->layout()->itemAt(2)->widget());
    requiredCheckBox->setChecked(rule.at(0) == '1');
}

void KSelectAction_UnitTest::testRequestWidgetComboBoxModeWidgetParentSeveralActions()
{
    KSelectAction selectAction("selectAction", 0);
    selectAction.setToolBarMode(KSelectAction::ComboBoxMode);

    selectAction.addAction(new QAction("action1", &selectAction));
    selectAction.addAction(new QAction("action2", &selectAction));
    selectAction.addAction(new QAction("action3", &selectAction));

    QToolBar toolBar;
    toolBar.addAction(&selectAction);
    QWidget* widget = toolBar.widgetForAction(&selectAction);

    QVERIFY(widget);
    KComboBox* comboBox = qobject_cast<KComboBox*>(widget);
    QVERIFY(comboBox);
    QVERIFY(comboBox->isEnabled());
}

void
MetaQueryWidget::makeFormatComboSelection()
{
    KComboBox* combo = new KComboBox( this );
    combo->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Preferred );
    QStringList filetypes = Amarok::FileTypeSupport::possibleFileTypes();
    for (int listpos=0;listpos<filetypes.size();listpos++)
    {
        combo->addItem(filetypes.at(listpos),listpos);
    }

    int index = m_fieldSelection->findData( (int)m_filter.numValue );
    combo->setCurrentIndex( index == -1 ? 0 : index );

    connect( combo,
             SIGNAL( currentIndexChanged(int) ),
             SLOT( numValueFormatChanged(int) ) );

    m_valueSelection1 = combo;
}

void CharactersViewDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
{
    switch (index.column())
    {
    case 0:
    case 1:
    {
        KLineEdit* lineEdit = static_cast<KLineEdit*>(editor);
        lineEdit->setText(index.data(Qt::EditRole).toString());
        break;
    }
    case 2:
    {
        KComboBox* comboBox = static_cast<KComboBox*>(editor);
        comboBox->setCurrentIndex(index.data(Qt::EditRole).toInt());
        break;
    }
    default:
        QStyledItemDelegate::setEditorData(editor, index);
    }
}

void PrinterBehavior::currentIndexChangedCB(int index)
{
    KComboBox *comboBox = qobject_cast<KComboBox*>(sender());
    bool isDifferent = comboBox->property("defaultChoice").toInt() != index;

    if (isDifferent != comboBox->property("different").toBool()) {
        // it's different from the last time so add or remove changes
        isDifferent ? m_changes++ : m_changes--;

        comboBox->setProperty("different", isDifferent);
        emit changed(m_changes);
    }

    QString attribute = comboBox->property("AttributeName").toString();
    QVariant value;
    // job-sheets-default has always two values
    if (attribute == "job-sheets-default") {
        QStringList values;
        values << ui->startingBannerCB->itemData(ui->startingBannerCB->currentIndex()).toString();
        values << ui->endingBannerCB->itemData(ui->endingBannerCB->currentIndex()).toString();
        value = values;
    } else {
        value = comboBox->itemData(index).toString();
    }

    // store the new values
    if (isDifferent) {
        m_changedValues[attribute] = value;
    } else {
        m_changedValues.remove(attribute);
    }
}

QWidget* RuleDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    Q_UNUSED(option)

    QWidget *editor = new QWidget(parent);
    KLineEdit *ruleLineEdit = new KLineEdit(editor);
    ruleLineEdit->setToolTip(i18n("Expression"));

    KComboBox *matchComboBox = new KComboBox(editor);
    matchComboBox->setToolTip(i18n("Match Mode"));
    matchComboBox->addItem(i18n("Ignore"));
    matchComboBox->addItem(i18n("Regular expression"));
    matchComboBox->addItem(i18n("Partial match"));
    matchComboBox->addItem(i18n("Exact match"));

    QCheckBox *requiredCheckBox = new QCheckBox(editor);
    requiredCheckBox->setToolTip(i18n("Required"));

    QHBoxLayout *layout = new QHBoxLayout(editor);
    layout->addWidget(ruleLineEdit);
    layout->addWidget(matchComboBox);
    layout->addWidget(requiredCheckBox);
    layout->setMargin(0);

    setEditorData(editor, index);

    return editor;
}

void IngredientNameDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
	KComboBox *comboBox = static_cast<KComboBox*>( editor );
	QString text = comboBox->currentText();
	model->setData( index, text, Qt::EditRole );

	if ( index.data(IngredientsEditor::IsHeaderRole).toBool() ) {
		//The edited item is a header
		if ( m_headerNameToIdMap.contains(text) ) {
			model->setData( index, m_headerNameToIdMap.values(text).first(), IngredientsEditor::IdRole );
		} else {
			model->setData( index, RecipeDB::InvalidId, IngredientsEditor::IdRole );
		}
	} else {
		//The edited item is an ingredient
		if ( m_ingredientNameToIdMap.contains(text) ) {
			model->setData( index, m_ingredientNameToIdMap.values(text).first(), IngredientsEditor::IdRole );
		} else {
			model->setData( index, RecipeDB::InvalidId, IngredientsEditor::IdRole );
		}
	}
}

QStringList CMakeBuildDirChooser::extraArgumentsHistory() const
{
    QStringList list;
    KComboBox* extraArguments = m_chooserUi->extraArguments;
    if (!extraArguments->currentText().isEmpty()) {
        list << extraArguments->currentText();
    }
    for (int i = 0; i < qMin(maxExtraArgumentsInHistory, extraArguments->count()); ++i) {
        if (!extraArguments->itemText(i).isEmpty() &&
            (extraArguments->currentText() != extraArguments->itemText(i))) {
            list << extraArguments->itemText(i);
        }
    }
    return list;
}

//// A dialog to load a KDE icon by its name
LoadIconDialog::LoadIconDialog(QWidget *parent)
        : KDialog(parent, "loadicon_dialog", true, i18n("Load KDE Icon by Name"), Ok | Cancel, Ok, false)
{
    QFrame *frame = makeMainWidget();
    QGridLayout *l = new QGridLayout(frame);

    // Name input
    QLabel *name = new QLabel(i18n("&Name:"), frame);
    l->addWidget(name, 0, 0);
    name->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
    m_nameInput = new KLineEdit("kexi", frame);
    l->addWidget(m_nameInput, 0, 1);
    name->setBuddy(m_nameInput);

    // Choose size
    QLabel *size = new QLabel(i18n("&Size:"), frame);
    l->addWidget(size, 1, 0);
    size->setAlignment(Qt::AlignRight | Qt::AlignVCenter);

    KComboBox *combo = new KComboBox(frame);
    l->addWidget(combo, 1, 1);
    size->setBuddy(combo);
    QStringList list;
    list << i18n("Small") << i18n("Medium") << i18n("Large") << i18n("Huge");
    combo->insertStringList(list);
    combo->setCurrentItem(2);
    connect(combo, SIGNAL(activated(int)), this, SLOT(changeIconSize(int)));


    // Icon chooser button
    m_button = new KIconButton(frame);
    m_button->setIcon(koIconName("calligrakexi"));
    m_button->setIconSize(KIconLoader::SizeMedium);
    l->addWidget(m_button, 0, 2, 2, 1);
    connect(m_button, SIGNAL(iconChanged(QString)), this, SLOT(updateIconName(QString)));
    connect(m_nameInput, SIGNAL(textChanged(QString)), this, SLOT(setIcon(QString)));
}

QWidget *KOTodoPriorityDelegate::createEditor( QWidget *parent,
                                               const QStyleOptionViewItem &option,
                                               const QModelIndex &index ) const
{
  Q_UNUSED( option );
  Q_UNUSED( index );

  KComboBox *combo = new KComboBox( parent );

  combo->addItem( i18nc( "@action:inmenu Unspecified priority", "unspecified" ) );
  combo->addItem( i18nc( "@action:inmenu highest priority", "1 (highest)" ) );
  combo->addItem( i18nc( "@action:inmenu", "2" ) );
  combo->addItem( i18nc( "@action:inmenu", "3" ) );
  combo->addItem( i18nc( "@action:inmenu", "4" ) );
  combo->addItem( i18nc( "@action:inmenu medium priority", "5 (medium)" ) );
  combo->addItem( i18nc( "@action:inmenu", "6" ) );
  combo->addItem( i18nc( "@action:inmenu", "7" ) );
  combo->addItem( i18nc( "@action:inmenu", "8" ) );
  combo->addItem( i18nc( "@action:inmenu lowest priority", "9 (lowest)" ) );

  return combo;
}

void HolidayRegionSelector::Private::initItem( QTreeWidgetItem *listItem, HolidayRegion *region )
{
  m_ui.regionTreeWidget->blockSignals( true );
  QString languageName = KGlobal::locale()->languageCodeToName( region->languageCode() );
  listItem->setCheckState( Private::SelectColumn, Qt::Unchecked );
  QString text = i18n( "<p>Select to use Holiday Region</p>" );
  listItem->setToolTip( Private::SelectColumn, text );
  listItem->setToolTip( Private::ComboColumn, text );
  text = i18n( "<p>Select to use Holiday Region</p>" );
  listItem->setToolTip( Private::SelectColumn, text );
  listItem->setToolTip( Private::ComboColumn, text );
  listItem->setText( Private::RegionColumn, region->name() );
  QString toolTip = i18n( "<p><b>Region:</b> %1<br/>"
                          "<b>Language:</b> %2<br/>"
                          "<b>Description:</b> %3</p>",
                          region->name(), languageName, region->description() );
  listItem->setToolTip( Private::RegionColumn, toolTip );
  listItem->setData( Private::RegionColumn, Qt::UserRole, region->regionCode() );
  listItem->setText( Private::LanguageColumn, languageName );
  listItem->setData( Private::LanguageColumn, Qt::UserRole, region->languageCode() );
  listItem->setText( Private::DescriptionColumn, region->description() );
  listItem->setToolTip( Private::DescriptionColumn, region->description() );
  KComboBox *combo = new KComboBox();
  combo->setAutoFillBackground( true );
  QString comboText = i18n( "<p>You can choose to display the Holiday Region for information only, "
                            "or to use the Holiday Region when displaying or calculating days off "
                            "such as Public Holidays.  If you choose to use the Holiday Region for "
                            "Days Off, then only those Holiday Events marked in the Holiday Region "
                            "as Days Off will be used for non-work days, Holiday Events that are "
                            "not marked in the Holiday Region as Days Off will continue to be "
                            "work days.</p>" );
  combo->setToolTip( comboText );
  comboText = i18nc( "Combobox label, Holiday Region not used", "Not Used" );
  combo->addItem( comboText, QVariant( NotUsed ) );
  comboText = i18nc( "Combobox label, use Holiday Region for information only", "Information" );
  combo->addItem( comboText, QVariant( UseInformationOnly ) );
  comboText = i18nc( "Combobox label, use Holiday Region for days off", "Days Off" );
  combo->addItem( comboText, QVariant( UseDaysOff ) );
  combo->setCurrentIndex( 0 );
  listItem->setData( Private::ComboColumn, Qt::UserRole, NotUsed );
  m_ui.regionTreeWidget->setItemWidget( listItem, ComboColumn, combo );
  connect( combo, SIGNAL(currentIndexChanged(int)),
           q, SLOT(itemChanged(int)) );
  m_ui.regionTreeWidget->blockSignals( false );
}

QWidget * IngredientNameDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */,
	const QModelIndex & index ) const
{
	//Set up the combo box
	KComboBox * editor = new KComboBox( parent );
	editor->setAutoFillBackground( true );
	editor->setEditable( true );
	editor->setCompletionMode( KGlobalSettings::CompletionPopup );

	//Set the models and the completion objects
	if ( !index.data(IngredientsEditor::IsHeaderRole).toBool() ) {
		editor->setModel( m_database->allIngredientsModels()->ingredientNameModel() );
		editor->setCompletionObject(
			m_database->allIngredientsModels()->ingredientNameCompletion() );
	} else {
		editor->setModel( m_database->allIngHeadersModels()->ingHeaderNameModel() );
		editor->setCompletionObject(
			m_database->allIngHeadersModels()->ingHeaderNameCompletion() );
	}

	return editor;
}

    void setupGUI()
    {
        QBoxLayout *layout = new QVBoxLayout(p);
        tabWidget = new QTabWidget(p);
        layout->addWidget(tabWidget);

        QWidget *container = new QWidget(tabWidget);
        tabWidget->addTab(container, QIcon::fromTheme(QStringLiteral("preferences-web-browser-identification")), i18n("Library"));
        connect(tabWidget, &QTabWidget::currentChanged, p, &ZoteroBrowser::tabChanged);
        QBoxLayout *containerLayout = new QVBoxLayout(container);

        /// Personal or Group Library
        QGridLayout *gridLayout = new QGridLayout();
        containerLayout->addLayout(gridLayout);
        gridLayout->setMargin(0);
        gridLayout->setColumnMinimumWidth(0, 16); // TODO determine size of a radio button
        radioPersonalLibrary = new QRadioButton(i18n("Personal library"), container);
        gridLayout->addWidget(radioPersonalLibrary, 0, 0, 1, 2);
        radioGroupLibrary = new QRadioButton(i18n("Group library"), container);
        gridLayout->addWidget(radioGroupLibrary, 1, 0, 1, 2);
        comboBoxGroupList = new KComboBox(false, container);
        gridLayout->addWidget(comboBoxGroupList, 2, 1, 1, 1);
        QSizePolicy sizePolicy = comboBoxGroupList->sizePolicy();
        sizePolicy.setHorizontalPolicy(QSizePolicy::MinimumExpanding);
        comboBoxGroupList->setSizePolicy(sizePolicy);
        radioPersonalLibrary->setChecked(true);
        comboBoxGroupList->setEnabled(false);
        comboBoxGroupList->addItem(i18n("No groups available"));
        connect(radioGroupLibrary, &QRadioButton::toggled, p, &ZoteroBrowser::radioButtonsToggled);
        connect(radioPersonalLibrary, &QRadioButton::toggled, p, &ZoteroBrowser::radioButtonsToggled);
        connect(comboBoxGroupList, static_cast<void (KComboBox::*)(int)>(&KComboBox::currentIndexChanged), p, &ZoteroBrowser::groupListChanged);

        containerLayout->addStretch(10);

        /// Credentials
        QFormLayout *containerForm = new QFormLayout();
        containerLayout->addLayout(containerForm, 1);
        containerForm->setMargin(0);
        lineEditNumericUserId = new KLineEdit(container);
        lineEditNumericUserId->setSizePolicy(sizePolicy);
        lineEditNumericUserId->setReadOnly(true);
        containerForm->addRow(i18n("Numeric user id:"), lineEditNumericUserId);
        connect(lineEditNumericUserId, &KLineEdit::textChanged, p, &ZoteroBrowser::invalidateGroupList);

        lineEditApiKey = new KLineEdit(container);
        lineEditApiKey->setSizePolicy(sizePolicy);
        lineEditApiKey->setReadOnly(true);
        containerForm->addRow(i18n("API key:"), lineEditApiKey);
        connect(lineEditApiKey, &KLineEdit::textChanged, p, &ZoteroBrowser::invalidateGroupList);

        QBoxLayout *containerButtonLayout = new QHBoxLayout();
        containerLayout->addLayout(containerButtonLayout, 0);
        containerButtonLayout->setMargin(0);
        QPushButton *buttonGetOAuthCredentials = new QPushButton(QIcon::fromTheme(QStringLiteral("preferences-web-browser-identification")), i18n("Get New Credentials"), container);
        containerButtonLayout->addWidget(buttonGetOAuthCredentials, 0);
        connect(buttonGetOAuthCredentials, &QPushButton::clicked, p, &ZoteroBrowser::getOAuthCredentials);
        containerButtonLayout->addStretch(1);

        /// Collection browser
        collectionBrowser = new QTreeView(tabWidget);
        tabWidget->addTab(collectionBrowser, QIcon::fromTheme(QStringLiteral("folder-yellow")), i18n("Collections"));
        collectionBrowser->setHeaderHidden(true);
        collectionBrowser->setExpandsOnDoubleClick(false);
        connect(collectionBrowser, &QTreeView::doubleClicked, p, &ZoteroBrowser::collectionDoubleClicked);

        /// Tag browser
        tagBrowser = new QListView(tabWidget);
        tabWidget->addTab(tagBrowser, QIcon::fromTheme(QStringLiteral("mail-tagged")), i18n("Tags"));
        connect(tagBrowser, &QListView::doubleClicked, p, &ZoteroBrowser::tagDoubleClicked);
    }

void ConditionalDialog::init(KCConditional const & tmp, int numCondition)
{
    kDebug() << "Adding" << numCondition;
    KComboBox * cb  = 0;
    KComboBox * sb  = 0;
    KLineEdit * kl1 = 0;
    KLineEdit * kl2 = 0;
    QString value;
    KCMap *const map = m_selection->activeSheet()->map();
    KCValueConverter *const converter = map->converter();

    switch (numCondition) {
    case 0:
        cb  = m_dlg->m_condition_1;
        sb  = m_dlg->m_style_1;
        kl1 = m_dlg->m_firstValue_1;
        kl2 = m_dlg->m_secondValue_1;
        break;
    case 1:
        cb  = m_dlg->m_condition_2;
        sb  = m_dlg->m_style_2;
        kl1 = m_dlg->m_firstValue_2;
        kl2 = m_dlg->m_secondValue_2;
        break;
    case 2:
        cb  = m_dlg->m_condition_3;
        sb  = m_dlg->m_style_3;
        kl1 = m_dlg->m_firstValue_3;
        kl2 = m_dlg->m_secondValue_3;
        break;
    default:
        return;
    }

    if (!tmp.styleName.isEmpty()) {
        sb->setCurrentIndex(sb->findText(tmp.styleName));
        sb->setEnabled(true);
    }

    switch (tmp.cond) {
    case KCConditional::None :
    case KCConditional::IsTrueFormula: // was unhandled
        break;

    case KCConditional::Equal :
        cb->setCurrentIndex(1);
        break;

    case KCConditional::Superior :
        cb->setCurrentIndex(2);
        break;

    case KCConditional::Inferior :
        cb->setCurrentIndex(3);
        break;

    case KCConditional::SuperiorEqual :
        cb->setCurrentIndex(4);
        break;

    case KCConditional::InferiorEqual :
        cb->setCurrentIndex(5);
        break;

    case KCConditional::Between :
        cb->setCurrentIndex(6);
        kl2->setText(converter->asString(tmp.value2).asString());
        break;

    case KCConditional::Different :
        cb->setCurrentIndex(7);
        kl2->setText(converter->asString(tmp.value2).asString());
        break;
    case KCConditional::DifferentTo :
        cb->setCurrentIndex(8);
        break;
    }

    if (tmp.cond != KCConditional::None) {
        kl1->setEnabled(true);
        kl1->setText(converter->asString(tmp.value1).asString());
    }
}