C++ QLabel::setSizePolicy方法代码示例

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void AboutDialog::addStringPairToVerInfoLayout(const QString& labelStr, const QString& infoStr, QGridLayout* verInfoLayout, int insertRow)
{
    QLabel* label = new QLabel(this);
    label->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
    label->setText(labelStr);
    verInfoLayout->addWidget(label, insertRow, 0);

    QLabel* info = new QLabel(this);
    info->setText(infoStr);
    verInfoLayout->addWidget(info, insertRow, 1 );

}

//! [4]
QLabel *IconPreviewArea::createPixmapLabel()
{
    QLabel *label = new QLabel;
    label->setEnabled(false);
    label->setAlignment(Qt::AlignCenter);
    label->setFrameShape(QFrame::Box);
    label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    label->setBackgroundRole(QPalette::Base);
    label->setAutoFillBackground(true);
    label->setMinimumSize(132, 132);
    return label;
}

LongMessageWidget::LongMessageWidget( QWidget *anchor, const QString &message,
                                     Amarok::Logger::MessageType type )
        : PopupWidget( anchor )
        , m_counter( 0 )
        , m_timeout( 6000 )
{
    DEBUG_BLOCK
    Q_UNUSED( type )

    setFrameStyle( QFrame::StyledPanel | QFrame::Raised );

    setContentsMargins( 4, 4, 4, 4 );

    setMinimumWidth( 26 );
    setMinimumHeight( 26 );
    setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding );

    QPalette p = QToolTip::palette();
    setPalette( p );

    KHBox *hbox = new KHBox( this );
    layout()->addWidget( hbox );

    hbox->setSpacing( 12 );

    m_countdownFrame = new CountdownFrame( hbox );
    m_countdownFrame->setObjectName( "counterVisual" );
    m_countdownFrame->setFixedWidth( fontMetrics().width( "X" ) );
    m_countdownFrame->setFrameStyle( QFrame::Plain | QFrame::Box );
    QPalette pal;
    pal.setColor( m_countdownFrame->foregroundRole(), p.dark().color() );
    m_countdownFrame->setPalette( pal );

    QLabel *alabel = new QLabel( message, hbox );
    alabel->setWordWrap( true );
    alabel->setOpenExternalLinks( true );
    alabel->setObjectName( "label" );
    alabel->setTextFormat( Qt::RichText );
    alabel->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Preferred );
    alabel->setPalette( p );

    hbox = new KHBox( this );
    layout()->addWidget( hbox );

    KPushButton *button = new KPushButton( KStandardGuiItem::close(), hbox );
    button->setObjectName( "closeButton" );
    connect( button, SIGNAL( clicked() ), SLOT( close() ) );

    reposition();

    show();
    m_timerId = startTimer( m_timeout / m_countdownFrame->height() );
}

// Create new label widget
QtWidgetObject* AtenTreeGuiDialog::addLabel(TreeGuiWidget* widget, QString text)
{
	QtWidgetObject* qtwo = widgetObjects_.add();
	QLabel *label = new QLabel(this);
	qtwo->set(widget, label, text);
	label->setText(text);
	label->setEnabled(widget->enabled());
	label->setVisible(widget->visible());
	label->setMinimumHeight(WIDGETHEIGHT);
	label->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
	return qtwo;
}

void TlenAddAccountWidget::createGui()
{
	QVBoxLayout *mainLayout = new QVBoxLayout(this);

	QWidget *formWidget = new QWidget(this);
	mainLayout->addWidget(formWidget);

	QFormLayout *layout = new QFormLayout(formWidget);

	AccountId = new QLineEdit(this);
	//AccountId->setValidator(new LongValidator(1, 3999999999U, this));
	connect(AccountId, SIGNAL(textChanged(QString)), this, SLOT(dataChanged()));
	layout->addRow(tr("Tlen.pl login") + ':', AccountId);

	AccountPassword = new QLineEdit(this);
	connect(AccountPassword, SIGNAL(textChanged(QString)), this, SLOT(dataChanged()));
	AccountPassword->setEchoMode(QLineEdit::Password);
	layout->addRow(tr("Password") + ':', AccountPassword);

	RememberPassword = new QCheckBox(tr("Remember password"), this);
	RememberPassword->setChecked(true);
	layout->addRow(0, RememberPassword);

// 	RemindPassword = new QLabel(QString("<a href='remind'>%1</a>").arg(tr("Forgot Your Password?")));
// 	RemindPassword->setTextInteractionFlags(Qt::LinksAccessibleByKeyboard | Qt::LinksAccessibleByMouse);
// 	layout->addRow(0, RemindPassword);
// 	connect(RemindPassword, SIGNAL(linkActivated(QString)), this, SLOT(remindPasssword()));

	Identity = new IdentitiesComboBox(true, this);
	connect(Identity, SIGNAL(identityChanged(Identity)), this, SLOT(dataChanged()));
	layout->addRow(tr("Account identity") + ':', Identity);

	QLabel *infoLabel = new QLabel(tr("<font size='-1'><i>Select or enter the identity that will be associated with this account.</i></font>"), this);
	infoLabel->setWordWrap(true);
	infoLabel->setAlignment(Qt::AlignTop | Qt::AlignLeft);
	infoLabel->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum));
	layout->addRow(0, infoLabel);
	mainLayout->addStretch(100);

	QDialogButtonBox *buttons = new QDialogButtonBox(Qt::Horizontal, this);
	mainLayout->addWidget(buttons);

	AddAccountButton = new QPushButton(qApp->style()->standardIcon(QStyle::SP_DialogApplyButton), tr("Add Account"), this);
	QPushButton *cancelButton = new QPushButton(qApp->style()->standardIcon(QStyle::SP_DialogCancelButton), tr("Cancel"), this);

	buttons->addButton(AddAccountButton, QDialogButtonBox::AcceptRole);
	buttons->addButton(cancelButton, QDialogButtonBox::DestructiveRole);

	connect(AddAccountButton, SIGNAL(clicked(bool)), this, SLOT(addAccountButtonClicked()));
	connect(cancelButton, SIGNAL(clicked(bool)), this, SLOT(cancelButtonClicked()));

	dataChanged();
}

ControllerView::ControllerView( Controller * _model, QWidget * _parent ) :
	QFrame( _parent ),
	ModelView( _model, this ),
	m_subWindow( NULL ),
	m_controllerDlg( NULL ),
	m_show( true )
{
	this->setFrameStyle( QFrame::StyledPanel );
	this->setFrameShadow( QFrame::Raised );

	QVBoxLayout *vBoxLayout = new QVBoxLayout(this);

	QHBoxLayout *hBox = new QHBoxLayout();
	vBoxLayout->addLayout(hBox);

	QLabel *label = new QLabel( "<b>" + _model->displayName() + "</b>", this);
	QSizePolicy sizePolicy = label->sizePolicy();
	sizePolicy.setHorizontalStretch(1);
	label->setSizePolicy(sizePolicy);

	hBox->addWidget(label);

	QPushButton * controlsButton = new QPushButton( tr( "Controls" ), this );
	connect( controlsButton, SIGNAL( clicked() ), SLOT( editControls() ) );

	hBox->addWidget(controlsButton);

	m_nameLabel = new QLabel(_model->name(), this);
	vBoxLayout->addWidget(m_nameLabel);


	m_controllerDlg = getController()->createDialog( gui->mainWindow()->workspace() );

	m_subWindow = gui->mainWindow()->addWindowedWidget( m_controllerDlg );
	
	Qt::WindowFlags flags = m_subWindow->windowFlags();
	flags &= ~Qt::WindowMaximizeButtonHint;
	m_subWindow->setWindowFlags( flags );
	m_subWindow->setFixedSize( m_subWindow->size() );

	m_subWindow->setWindowIcon( m_controllerDlg->windowIcon() );

	connect( m_controllerDlg, SIGNAL( closed() ),
		this, SLOT( closeControls() ) );

	m_subWindow->hide();

	setWhatsThis( tr( "Controllers are able to automate the value of a knob, "
				"slider, and other controls."  ) );

	setModel( _model );
}

AccountListWidget::AccountListWidget( AccountModelFactoryProxy* model, QWidget* parent )
    : QWidget( parent )
    , m_model( model )
{
    QVBoxLayout* mainLayout = new QVBoxLayout( this );
    TomahawkUtils::unmarginLayout( mainLayout );
    m_layout = new QVBoxLayout;
    TomahawkUtils::unmarginLayout( m_layout );
    mainLayout->addLayout( m_layout );
    mainLayout->setSpacing( 8 );

    connect( m_model, SIGNAL( dataChanged( QModelIndex, QModelIndex ) ),
             this, SLOT( updateEntries( QModelIndex, QModelIndex ) ) );
    connect( m_model, SIGNAL( rowsInserted ( QModelIndex, int, int ) ),
             this, SLOT( insertEntries( QModelIndex, int, int ) ) );
    connect( m_model, SIGNAL( rowsRemoved( QModelIndex, int, int ) ),
             this, SLOT( removeEntries( QModelIndex, int, int ) ) );
    connect( m_model, SIGNAL( modelReset() ),
             this, SLOT( loadAllEntries() ) );

    connect( m_model, SIGNAL( dataChanged( QModelIndex, QModelIndex ) ),
             this, SLOT( updateToggleOnlineStateButton() ) );

    QWidget* separatorLine = new QWidget( this );
    separatorLine->setFixedHeight( 1 );
    separatorLine->setContentsMargins( 0, 0, 0, 0 );
    separatorLine->setStyleSheet( "QWidget { border-top: 1px solid " +
                                  TomahawkStyle::BORDER_LINE.name() + "; }" ); //from ProxyStyle
    mainLayout->insertWidget( 0, separatorLine );
    mainLayout->addSpacing( 6 );

    QLabel *connectionsLabel = new QLabel( tr( "Connections" ).toUpper(), this );
    QFont clFont = connectionsLabel->font();
    clFont.setBold( true );
    connectionsLabel->setStyleSheet( "color: " + TomahawkStyle::GROUP_HEADER.name() );
    clFont.setPointSize( TomahawkUtils::defaultFontSize() + 1 );
    connectionsLabel->setFont( clFont );
    connectionsLabel->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred );

    m_toggleOnlineButton = new QPushButton( tr( "Connect &All" ), this );
    m_toggleOnlineButtonState = false;
    connect( m_toggleOnlineButton, SIGNAL( clicked() ),
             this, SLOT( toggleOnlineStateForAll() ) );

    QHBoxLayout *headerLayout = new QHBoxLayout( this );
    headerLayout->addWidget( connectionsLabel );
    headerLayout->addSpacing( 30 );
    headerLayout->addWidget( m_toggleOnlineButton );
    mainLayout->insertLayout( 0, headerLayout );

    updateToggleOnlineStateButton();
}

QGraphicsProxyWidget *
UpcomingEventsWidget::createLabel( const QString &text, QSizePolicy::Policy hPolicy )
{
    QLabel *label = new QLabel;
    label->setAttribute( Qt::WA_NoSystemBackground );
    label->setMinimumWidth( 10 );
    label->setSizePolicy( hPolicy, QSizePolicy::Preferred );
    label->setText( text );
    label->setWordWrap( false );
    QGraphicsProxyWidget *proxy = new QGraphicsProxyWidget( this );
    proxy->setWidget( label );
    return proxy;
}

GotoTimeDialog::GotoTimeDialog( QWidget *parent, intf_thread_t *_p_intf)
               : QVLCDialog( parent, _p_intf )
{
    setWindowFlags( Qt::Tool );
    setWindowTitle( qtr( "Go to Time" ) );
    setWindowRole( "vlc-goto-time" );

    QGridLayout *mainLayout = new QGridLayout( this );
    mainLayout->setSizeConstraint( QLayout::SetFixedSize );

    QPushButton *gotoButton = new QPushButton( qtr( "&Go" ) );
    QPushButton *cancelButton = new QPushButton( qtr( "&Cancel" ) );
    QDialogButtonBox *buttonBox = new QDialogButtonBox;

    gotoButton->setDefault( true );
    buttonBox->addButton( gotoButton, QDialogButtonBox::AcceptRole );
    buttonBox->addButton( cancelButton, QDialogButtonBox::RejectRole );

    QGroupBox *timeGroupBox = new QGroupBox;
    QGridLayout *boxLayout = new QGridLayout( timeGroupBox );

    QLabel *timeIntro = new QLabel( qtr( "Go to time" ) + ":" );
    timeIntro->setWordWrap( true );
    timeIntro->setAlignment( Qt::AlignCenter );

    timeEdit = new QTimeEdit();
    timeEdit->setDisplayFormat( "hh : mm : ss" );
    timeEdit->setAlignment( Qt::AlignRight );
    timeEdit->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );

    QLabel *helpFormat = new QLabel( timeEdit->displayFormat() );
    helpFormat->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Preferred );

    QSpacerItem *spacerBox = new QSpacerItem( 20, 10, QSizePolicy::Minimum,
                                        QSizePolicy::Fixed );

    QSpacerItem *spacerItem = new QSpacerItem( 20, 3, QSizePolicy::Minimum,
                                        QSizePolicy::Expanding );

    boxLayout->addWidget( timeIntro, 0, 0, 1, 2 );
    boxLayout->addItem( spacerBox, 1, 0, 1, 2 );
    boxLayout->addWidget( timeEdit, 2, 0, 1, 1 );
    boxLayout->addWidget( helpFormat, 2, 1, 1, 1 );

    mainLayout->addWidget( timeGroupBox, 0, 0, 1, 4 );
    mainLayout->addItem( spacerItem, 1, 0 );
    mainLayout->addWidget( buttonBox, 2, 3 );

    BUTTONACT( gotoButton, close() );
    BUTTONACT( cancelButton, cancel() );
}

void StatusBar::showRestartRequired() {
  // Restart required notification
  const QString restart_text = tr("qBittorrent needs to be restarted");
  QLabel *restartIconLbl = new QLabel(m_bar);
  restartIconLbl->setPixmap(QPixmap(":/icons/oxygen/dialog-warning.png").scaled(QSize(24,24)));
  restartIconLbl->setToolTip(restart_text);
  m_bar->insertWidget(0,restartIconLbl);
  QLabel *restartLbl = new QLabel(m_bar);
  restartLbl->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
  m_bar->insertWidget(1, restartLbl);
  QFontMetrics fm(restartLbl->font());
  restartLbl->setText(fm.elidedText(restart_text, Qt::ElideRight, restartLbl->width()));
  Logger::instance()->addMessage(tr("qBittorrent was just updated and needs to be restarted for the changes to be effective."), Log::CRITICAL);
}

void MENU_KERNEL::ADD_MENU_KERNEL_LABEL ( QLayout * layout,int label_type,QString label_text,int index )
{
    QLabel * label = new QLabel ( label_text, this );

    if ( label_type EQ MENU_HEADER_ITEM ) {
         label->setStyleSheet( "QLabel { font: 14px \"Serif\"; }; " );
        label->setSizePolicy ( QSizePolicy::Expanding,QSizePolicy::Fixed );
        label->setAlignment  ( Qt::AlignLeft );
    }

    SET_WIDGET_DEFAULTS ( label,index );

    layout->addWidget ( label );
}

QLayout *ZDLInterface::getBottomPane(){
	QVBoxLayout *box = new QVBoxLayout();
	QLabel *ecla = new QLabel("Extra command line arguments",this);
	ecla->setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed));
	extraArgs = new QLineEdit(this);
	QLayout *pan = getButtonPane();
	layout()->setContentsMargins(0,0,0,0);
	setContentsMargins(0,0,0,0);
	box->setSpacing(2);
	box->addWidget(ecla);
	box->addWidget(extraArgs);
	box->addLayout(pan);
	return box;
}

RegWidget::RegWidget(const char *name, IGui *gui, QWidget *parent) 
    : QWidget(parent) {
    igui_ = gui;
    value_ = 0;

    name_ = QString(name);
    while (name_.size() < 3) {
        name_ += tr(" ");
    }

    std::string t1 = "reg " + std::string(name);
    cmdRead_.make_string(t1.c_str());

    QFont font = QFont("Courier");
    font.setStyleHint(QFont::Monospace);
    font.setPointSize(8);
    font.setFixedPitch(true);
    setFont(font);
    QFontMetrics fm(font);

    QHBoxLayout *pLayout = new QHBoxLayout;
    pLayout->setContentsMargins(4, 1, 4, 1);
    setLayout(pLayout);

    QLabel *label = new QLabel(this);
    QSizePolicy labelSizePolicy(QSizePolicy::Preferred, 
                                QSizePolicy::Preferred);
    labelSizePolicy.setHorizontalStretch(0);
    labelSizePolicy.setVerticalStretch(0);
    labelSizePolicy.setHeightForWidth(label->sizePolicy().hasHeightForWidth());
    label->setSizePolicy(labelSizePolicy);
    label->setText(name_);
    label->setAlignment(Qt::AlignRight | Qt::AlignTrailing | Qt::AlignVCenter);
    pLayout->addWidget(label);

    edit_ = new QLineEdit(this);
    pLayout->addWidget(edit_);
    respValue_ = value_ = 0xfeedfaceull;

    char tstr[64];
    RISCV_sprintf(tstr, sizeof(tstr), "%016" RV_PRI64 "x", value_);
    QString text(tstr);
    edit_->setText(text);
    edit_->setMaxLength(19);
    edit_->setFixedWidth(fm.width(text) + 8);
    edit_->setFixedHeight(fm.height() + 2);

    setMinimumWidth(edit_->width() + fm.width(name_) + 16);
    setMinimumHeight(edit_->height());
}

void GCOutputWindow::computationCompleted(QImage result)
{
  QLabel* imagelabel = new QLabel(this);
  imagelabel->setBackgroundRole(QPalette::Base);
  imagelabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
  imagelabel->setPixmap(QPixmap::fromImage(result));
  imagelabel->adjustSize();

  QScrollArea* scrollview = new QScrollArea(this);
  scrollview->setWidget(imagelabel);

  m_OutputTabView->addTab(scrollview, "Mask");
  m_OutputTabView->setCurrentWidget(scrollview);
  m_OutputStackView->setCurrentIndex(1);
}

SensorsConfig::SensorsConfig(KSim::PluginObject *parent, const char *name)
   : KSim::PluginPage(parent, name)
{
  m_layout = new QGridLayout(this);
  m_layout->setSpacing(6);
  m_neverShown = true;

  m_sensorView = new KListView(this);
  m_sensorView->addColumn(i18n("No."));
  m_sensorView->addColumn(i18n("Label"));
  m_sensorView->addColumn(i18n("Sensors"));
  m_sensorView->addColumn(i18n("Value"));
  m_sensorView->setColumnWidth(0, 40);
  m_sensorView->setColumnWidth(1, 60);
  m_sensorView->setColumnWidth(2, 80);
  m_sensorView->setAllColumnsShowFocus(true);
  connect(m_sensorView, SIGNAL(contextMenu(KListView *,
     QListViewItem *, const QPoint &)), this, SLOT(menu(KListView *,
     QListViewItem *, const QPoint &)));

  connect( m_sensorView, SIGNAL( doubleClicked( QListViewItem * ) ),
     SLOT( modify( QListViewItem * ) ) );

  m_layout->addMultiCellWidget(m_sensorView, 1, 1, 0, 3);

  m_modify = new QPushButton( this );
  m_modify->setText( i18n( "Modify..." ) );
  connect( m_modify, SIGNAL( clicked() ), SLOT( modify() ) );
  m_layout->addMultiCellWidget( m_modify, 2, 2, 3, 3 );

  m_fahrenBox = new QCheckBox(i18n("Display Fahrenheit"), this);
  m_layout->addMultiCellWidget(m_fahrenBox, 3, 3, 0, 3);

  m_updateLabel = new QLabel(this);
  m_updateLabel->setText(i18n("Update interval:"));
  m_updateLabel->setSizePolicy(QSizePolicy(QSizePolicy::Fixed,
     QSizePolicy::Fixed));
  m_layout->addMultiCellWidget(m_updateLabel, 4, 4, 0, 0);

  m_sensorSlider = new KIntSpinBox(this);
  m_layout->addMultiCellWidget(m_sensorSlider, 4, 4, 1, 1);

  QLabel *intervalLabel = new QLabel(this);
  intervalLabel->setText(i18n("seconds"));
  intervalLabel->setSizePolicy(QSizePolicy(QSizePolicy::Fixed,
     QSizePolicy::Fixed));
  m_layout->addMultiCellWidget(intervalLabel, 4, 4, 2, 2);
}