C++ KLineEdit::setSizePolicy方法代码示例

    void setupUI() {
        p->setObjectName(QStringLiteral("FieldLineEdit"));

        hLayout = new QHBoxLayout(p);
        hLayout->setMargin(0);
        hLayout->setSpacing(2);

        m_pushButtonType = new QPushButton(p);
        appendWidget(m_pushButtonType);
        hLayout->setStretchFactor(m_pushButtonType, 0);
        m_pushButtonType->setObjectName(QStringLiteral("FieldLineEditButton"));

        if (isMultiLine) {
            m_multiLineEditText = new KTextEdit(p);
            appendWidget(m_multiLineEditText);
            connect(m_multiLineEditText, &KTextEdit::textChanged, p, &MenuLineEdit::slotTextChanged);
            m_multiLineEditText->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
            p->setFocusProxy(m_multiLineEditText);
            m_multiLineEditText->setAcceptRichText(false);
        } else {
            m_singleLineEditText = new KLineEdit(p);
            appendWidget(m_singleLineEditText);
            hLayout->setStretchFactor(m_singleLineEditText, 100);
            m_singleLineEditText->setClearButtonEnabled(true);
            m_singleLineEditText->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
            m_singleLineEditText->setCompletionMode(KCompletion::CompletionPopup);
            m_singleLineEditText->completionObject()->setIgnoreCase(true);
            p->setFocusProxy(m_singleLineEditText);
            connect(m_singleLineEditText, &KLineEdit::textEdited, p, &MenuLineEdit::textChanged);
        }

        p->setFocusPolicy(Qt::StrongFocus); // FIXME improve focus handling
        p->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
    }

DialogCreateTag::DialogCreateTag(QWidget *parent, TagTreeNode* parentNode, const char *name)
    : KDialogBase(parent, name, true, "", KDialogBase::Ok|KDialogBase::Cancel, KDialogBase::Ok, false )
    , m_parentNode(parentNode) {

    if (parentNode) {
        this->setCaption(i18n("Create tag"));
    } else {
        this->setCaption(i18n("Create toplevel tag"));
    }

    QWidget* mainPanel = new QWidget(this, "mainPanel");
    setMainWidget(mainPanel);
    QVBoxLayout* mainPanelLayout = new QVBoxLayout(mainPanel, 0, 5, "mainPanelLayout");
    mainPanelLayout->setAutoAdd(true);

    // parent
    if (parentNode) {
        // newTagGroup
        QGroupBox* parentTagGroup = new QGroupBox(i18n("Parent tag"), mainPanel, "parentTagGroup");
        QGridLayout* parentTagGroupLayout = new QGridLayout(parentTagGroup, 4, 4, 20, 5, "parentTagGroupLayout");

        parentTagGroupLayout->setRowSpacing(0, 10);

        // type
        QLabel* typeLabel = new QLabel(i18n("Type"), parentTagGroup, "typeLabel");
        parentTagGroupLayout->addWidget(typeLabel, 1, 0);

        KComboBox* typeComboBox = new KComboBox(false, parentTagGroup, "typeComboBox");
        typeComboBox->insertItem(parentNode->tagNode()->typeName());
        typeComboBox->setEnabled(false);
        parentTagGroupLayout->addMultiCellWidget(typeComboBox, 1, 1, 1, 2);

        // name
        QLabel* nameLabel = new QLabel(i18n("Name"), parentTagGroup, "nameLabel");
        parentTagGroupLayout->addWidget(nameLabel, 2, 0);

        KLineEdit* nameLineEdit = new KLineEdit(parentTagGroup, "nameLineEdit");
        nameLineEdit->setText(*parentNode->tagNode()->text());
        nameLineEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
        nameLineEdit->setReadOnly(true);
        parentTagGroupLayout->addMultiCellWidget(nameLineEdit, 2, 2, 1, 2);

        // icon
        QLabel* iconLabel = new QLabel(i18n("Icon"), parentTagGroup, "iconLabel");
        parentTagGroupLayout->addWidget(iconLabel, 3, 0);

        KLineEdit* iconLineEdit = new KLineEdit(parentTagGroup, "iconLineEdit");
        iconLineEdit->setText(*parentNode->tagNode()->iconName());
        iconLineEdit->setMinimumWidth(300);
        iconLineEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
        iconLineEdit->setReadOnly(true);
        parentTagGroupLayout->addWidget(iconLineEdit, 3, 1);

        QPushButton* iconButton = new QPushButton(i18n("Icon"), parentTagGroup, "iconButton");
        QIconSet iconSet = KGlobal::iconLoader()->loadIconSet(iconLineEdit->text(), KIcon::Small, Configuration::getInstance()->tagtreeIconSize(), true);
        iconButton->setIconSet(iconSet);
        iconButton->setText(QString::null);
        iconButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
        iconButton->setEnabled(true);
        parentTagGroupLayout->addWidget(iconButton, 3, 2);
    }

    // newTagGroup
    QGroupBox* newTagGroup = new QGroupBox(i18n("New tag"), mainPanel, "newTagGroup");
    QGridLayout* newTagGroupLayout = new QGridLayout(newTagGroup, 4, 4, 20, 5, "newTagGroupLayout");

    newTagGroupLayout->setRowSpacing(0, 10);

    // type
    QLabel* typeLabel = new QLabel(i18n("Type"), newTagGroup, "typeLabel");
    newTagGroupLayout->addWidget(typeLabel, 1, 0);

    m_typeComboBox = new KComboBox(false, newTagGroup, "typeComboBox");
    m_typeComboBoxEntries = new QValueList<int>;
    if (!parentNode) {
        m_typeComboBox->insertItem(TagNode::tagNodeTypeName(TagNode::TYPE_TITLE));
        m_typeComboBoxEntries->append(TagNode::tagNodeTypeId(TagNode::TYPE_TITLE));
    }
    m_typeComboBox->insertItem(TagNode::tagNodeTypeName(TagNode::TYPE_BOOLEAN));
    m_typeComboBoxEntries->append(TagNode::tagNodeTypeId(TagNode::TYPE_BOOLEAN));
    newTagGroupLayout->addMultiCellWidget(m_typeComboBox, 1, 1, 1, 2);

    // name
    QLabel* nameLabel = new QLabel(i18n("Name"), newTagGroup, "nameLabel");
    newTagGroupLayout->addWidget(nameLabel, 2, 0);

    m_nameLineEdit = new KLineEdit(newTagGroup, "nameLineEdit");
    m_nameLineEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    QObject::connect(m_nameLineEdit, SIGNAL(textChanged(const QString&)), this, SLOT(slotNameChanged(const QString&)));
    newTagGroupLayout->addMultiCellWidget(m_nameLineEdit, 2, 2, 1, 2);

    // icon
    QLabel* iconLabel = new QLabel(i18n("Icon"), newTagGroup, "iconLabel");
    newTagGroupLayout->addWidget(iconLabel, 3, 0);

    m_iconLineEdit = new KLineEdit(newTagGroup, "iconLineEdit");
    m_iconLineEdit->setMinimumWidth(300);
    m_iconLineEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    QObject::connect(m_iconLineEdit, SIGNAL(textChanged(const QString&)), this, SLOT(slotIconTextChanged(const QString&)));
    newTagGroupLayout->addWidget(m_iconLineEdit, 3, 1);
//.........这里部分代码省略.........

void TitleWidget::addJourneySearchWidgets()
{
    // Add recent journeys button
    Plasma::ToolButton *recentJourneysButton = new Plasma::ToolButton;
    recentJourneysButton->setIcon( KIcon("document-open-recent") );
    recentJourneysButton->setToolTip( i18nc("@info:tooltip", "Use a favorite/recent journey search") );
    recentJourneysButton->nativeWidget()->setPopupMode( QToolButton::InstantPopup );
    // This is needed, to have the popup menu drawn above other widgets
    recentJourneysButton->setZValue( 9999 );
    connect( recentJourneysButton, SIGNAL(clicked()), this, SLOT(slotJourneysIconClicked()) );

    // Add button to start the journey search
    Plasma::ToolButton *journeySearchButton = new Plasma::ToolButton;
    journeySearchButton->setIcon( KIcon("edit-find") );
    journeySearchButton->setToolTip( i18nc("@info:tooltip", "Find journeys") );
    journeySearchButton->setEnabled( false );
    connect( journeySearchButton, SIGNAL(clicked()), this, SLOT(slotJourneySearchInputFinished()) );

    // Add journey search query input field
    Plasma::LineEdit *journeySearchLineEdit = new Plasma::LineEdit;
    journeySearchLineEdit->setNativeWidget( new JourneySearchLineEdit );
    journeySearchLineEdit->setToolTip(
            i18nc("@info:tooltip This should match the localized keywords.",
            "<para>Type a <emphasis strong='1'>target stop</emphasis> or "
            "<emphasis strong='1'>journey request</emphasis>.</para>"
            "<para><emphasis strong='1'>Samples:</emphasis><list>"
            "<item><emphasis>To target in 15 mins</emphasis></item>"
            "<item><emphasis>From origin arriving tomorrow at 18:00</emphasis></item>"
            "<item><emphasis>Target at 6:00 2010-03-07</emphasis></item>"
            "</list></para>") );
    journeySearchLineEdit->installEventFilter( this ); // Handle up/down keys (selecting stop suggestions)
    journeySearchLineEdit->setClearButtonShown( true );
    journeySearchLineEdit->nativeWidget()->setCompletionMode( KGlobalSettings::CompletionAuto );
    journeySearchLineEdit->nativeWidget()->setCompletionModeDisabled(
            KGlobalSettings::CompletionMan );
    journeySearchLineEdit->nativeWidget()->setCompletionModeDisabled(
            KGlobalSettings::CompletionPopup );
    journeySearchLineEdit->nativeWidget()->setCompletionModeDisabled(
            KGlobalSettings::CompletionPopupAuto );
    journeySearchLineEdit->nativeWidget()->setCompletionModeDisabled(
            KGlobalSettings::CompletionShell );
    journeySearchLineEdit->setEnabled( true );

    KLineEdit *journeySearch = journeySearchLineEdit->nativeWidget();
    journeySearch->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
    journeySearch->setClickMessage( i18nc("@info/plain", "Target stop name or journey request") );
    KCompletion *completion = journeySearch->completionObject( false );
    completion->setIgnoreCase( true );
    journeySearchLineEdit->setFont( m_settings->sizedFont() );
    connect( journeySearchLineEdit, SIGNAL(returnPressed()),
             this, SLOT(slotJourneySearchInputFinished()) );
    connect( journeySearchLineEdit, SIGNAL(textEdited(QString)),
             this, SIGNAL(journeySearchInputEdited(QString)) );
    connect( journeySearchLineEdit, SIGNAL(textChanged(QString)),
             this, SLOT(slotJourneySearchInputChanged(QString)) );

    // Add widgets
    addWidget( journeySearchLineEdit, WidgetJourneySearchLine );
    addWidget( recentJourneysButton, WidgetFillJourneySearchLineButton );
    addWidget( journeySearchButton, WidgetStartJourneySearchButton );
}

    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);
    }