C++ Q3VBoxLayout::addStretch方法代码示例

// -------------------------------------------------------------------------------------------------
TriggerWidget::TriggerWidget(QWidget* parent, const char* name)
throw ()
    : QWidget(parent, name)
{
    Q3VBoxLayout* boxLayout = new Q3VBoxLayout(this, 0, 0);

    Q3HBox* hbox = new Q3HBox(this);
    hbox->setSpacing(2);

    // create the checkboxes with their labels
    for (int i = 0; i < NUMBER_OF_BITS_PER_BYTE; i++) {
        Q3VBox* box = new Q3VBox(hbox);
        box->setSpacing(2);

        m_labels[i] = new QLabel(QString::number(i+1), box);
        m_labels[i]->setAlignment(Qt::AlignHCenter);

        m_checkboxes[i] = new QCheckBox(box);
        m_checkboxes[i]->setTristate(true);
        m_checkboxes[i]->setNoChange();


        connect(m_checkboxes[i], SIGNAL(stateChanged(int)), SLOT(valueChangedHandler()));
    }

    boxLayout->addWidget(hbox);
    boxLayout->addStretch(5);
}

//===========================================================
//
void ImportWizard::setupDstType()
{
    m_dstTypePage = new QWidget(this);

    KexiDB::DriverManager manager;
    KexiDB::Driver::InfoHash drvs = manager.driversInfo();

    Q3VBoxLayout *vbox = new Q3VBoxLayout(m_dstTypePage, KDialog::marginHint());

    Q3HBoxLayout *hbox = new Q3HBoxLayout(vbox);
    QLabel *lbl = new QLabel(i18n("Destination database type:") + " ", m_dstTypePage);
    lbl->setAlignment(Qt::AlignAuto | Qt::AlignTop);
    hbox->addWidget(lbl);

    m_dstPrjTypeSelector = new KexiPrjTypeSelector(m_dstTypePage);
    hbox->addWidget(m_dstPrjTypeSelector);
    m_dstPrjTypeSelector->option_file->setText(i18n("Database project stored in a file"));
    m_dstPrjTypeSelector->option_server->setText(i18n("Database project stored on a server"));

    QVBoxLayout *frame_server_vbox = new QVBoxLayout(
        m_dstPrjTypeSelector->frame_server, KDialog::spacingHint());
    m_dstServerTypeCombo = new KexiDBDriverComboBox(m_dstPrjTypeSelector->frame_server, drvs,
            KexiDBDriverComboBox::ShowServerDrivers);
    frame_server_vbox->addWidget(m_dstServerTypeCombo);
    hbox->addStretch(1);
    vbox->addStretch(1);
    lbl->setBuddy(m_dstServerTypeCombo);

//! @todo hardcoded: find a way to preselect default engine item
    //m_dstTypeCombo->setCurrentText("SQLite3");
    addPage(m_dstTypePage, i18n("Select Destination Database Type"));
}

//===========================================================
//
void ImportWizard::setupImporting()
{
    m_importingPage = new QWidget(this);
    m_importingPage->hide();
    Q3VBoxLayout *vbox = new Q3VBoxLayout(m_importingPage, KDialog::marginHint());
    m_lblImportingTxt = new QLabel(m_importingPage);
    m_lblImportingTxt->setAlignment(Qt::AlignTop | Qt::AlignLeft);
    m_lblImportingTxt->setWordWrap(true);

    m_lblImportingErrTxt = new QLabel(m_importingPage);
    m_lblImportingErrTxt->setAlignment(Qt::AlignTop | Qt::AlignLeft);
    m_lblImportingErrTxt->setWordWrap(true);

    m_progressBar = new QProgressBar(m_importingPage);
    m_progressBar->setRange(0, 100);
    m_progressBar->hide();

    vbox->addWidget(m_lblImportingTxt);
    vbox->addWidget(m_lblImportingErrTxt);
    vbox->addStretch(1);

    QWidget *options_widget = new QWidget(m_importingPage);
    vbox->addWidget(options_widget);
    QVBoxLayout *options_vbox = new QVBoxLayout(options_widget);
    options_vbox->setSpacing(KDialog::spacingHint());
    m_importOptionsButton = new KPushButton(KIcon("configure"),
                                            i18n("Advanced Options"), options_widget);
    connect(m_importOptionsButton, SIGNAL(clicked()),
            this, SLOT(slotOptionsButtonClicked()));
    options_vbox->addWidget(m_importOptionsButton);
    options_vbox->addStretch(1);

    vbox->addWidget(m_progressBar);
    vbox->addStretch(2);
    m_importingPage->show();

    addPage(m_importingPage, i18n("Importing"));
}

StringListEdit::StringListEdit(const QStringList &list, 
                               UntitledList* unamedList, 
                               QWidget *parent)
    : QDialog(parent), 
      ask(false), 
      duplicatesOk(false),
      _suggestedStringsList(unamedList)
{
    addCaption = "Add String";
    addLabel = "String:";
    editCaption = "Edit String";
    editLabel = addLabel;

    Q3HBoxLayout *hbox = new Q3HBoxLayout(this, 5, 5);
    Q3VBoxLayout *vbox = new Q3VBoxLayout;
    listBox = new Q3ListBox(this);
    connect(listBox, SIGNAL(currentChanged(Q3ListBoxItem*)),
            this, SLOT(updateButtons()));
    hbox->addWidget(listBox, 1);
    QPushButton *button = new QPushButton(tr("&Add..."), this);
    connect(button, SIGNAL(clicked()), this, SLOT(addString()));
    vbox->addWidget(button);
    editButton = new QPushButton(tr("&Edit..."), this);
    connect(editButton, SIGNAL(clicked()), this, SLOT(editString()));
    vbox->addWidget(editButton);
    removeButton = new QPushButton(tr("&Remove..."), this);
    connect(removeButton, SIGNAL(clicked()), this, SLOT(removeString()));
    vbox->addWidget(removeButton);
    upButton = new QPushButton(tr("&Up"), this);
    connect(upButton, SIGNAL(clicked()), this, SLOT(moveUp()));
    vbox->addWidget(upButton);
    downButton = new QPushButton(tr("&Down"), this);
    connect(downButton, SIGNAL(clicked()), this, SLOT(moveDown()));
    vbox->addWidget(downButton);
    vbox->addStretch(1);
    button = new QPushButton(tr("OK"), this);
    connect(button, SIGNAL(clicked()), this, SLOT(accept()));
    vbox->addWidget(button);
    button = new QPushButton(tr("Cancel"), this);
    connect(button, SIGNAL(clicked()), this, SLOT(reject()));
    vbox->addWidget(button);
    hbox->addLayout(vbox);

    setList(list);
}

//===========================================================
//
void ImportWizard::setupFinish()
{
    m_finishPage = new QWidget(this);
    m_finishPage->hide();
    Q3VBoxLayout *vbox = new Q3VBoxLayout(m_finishPage, KDialog::marginHint());
    m_finishLbl = new QLabel(m_finishPage);
    m_finishLbl->setAlignment(Qt::AlignTop | Qt::AlignLeft);
    m_finishLbl->setWordWrap(true);

    vbox->addWidget(m_finishLbl);
    m_openImportedProjectCheckBox = new QCheckBox(i18n("Open imported project"),
            m_finishPage);
    m_openImportedProjectCheckBox->setChecked(true);
    vbox->addSpacing(KDialog::spacingHint());
    vbox->addWidget(m_openImportedProjectCheckBox);
    vbox->addStretch(1);

    addPage(m_finishPage, i18n("Success"));
}

OptionsExportMusixtex::OptionsExportMusixtex(KSharedConfigPtr &conf, QWidget *parent, const char *name)
	: OptionsPage(conf, parent, name)
{
	// Create option widgets

	Q3VButtonGroup *layoutGroup = new Q3VButtonGroup(i18n("MusiXTeX Layout"), this);
	showBarNumber  = new QCheckBox(i18n("Show Bar Number"), layoutGroup);
	showStr        = new QCheckBox(i18n("Show Tuning"), layoutGroup);
	showPageNumber = new QCheckBox(i18n("Show Page Number"), layoutGroup);

	exportModeGroup = new Q3VButtonGroup(i18n("Export as..."), this);
	exportMode[0] = new QRadioButton(i18n("Tabulature"), exportModeGroup);
	exportMode[1] = new QRadioButton(i18n("Notes"), exportModeGroup);

	tabSizeGroup = new Q3VButtonGroup(i18n("Tab Size"), this);
	tabSize[0] = new QRadioButton(i18n("Smallest"), tabSizeGroup);
	tabSize[1] = new QRadioButton(i18n("Small"), tabSizeGroup);
	tabSize[2] = new QRadioButton(i18n("Normal"), tabSizeGroup);
	tabSize[3] = new QRadioButton(i18n("Big"), tabSizeGroup);

	always = new QCheckBox(i18n("Always show this dialog on export"), this);

	// Set widget layout

	Q3VBoxLayout *box = new Q3VBoxLayout(this);
	box->addWidget(layoutGroup);
	box->addWidget(tabSizeGroup);
	box->addWidget(exportModeGroup);
	box->addStretch(1);
	box->addWidget(always);
	box->activate();

	// Fill in current config

	tabSizeGroup->setButton(Settings::texTabSize());
	showBarNumber->setChecked(Settings::texShowBarNumber());
	showStr->setChecked(Settings::texShowStr());
	showPageNumber->setChecked(Settings::texShowPageNumber());
	exportModeGroup->setButton(Settings::texExportMode());
	always->setChecked(config->group("MusiXTeX").readEntry("AlwaysShow", TRUE));
}

void StocksDialog::createSplitPage ()
{
    QWidget *w = new QWidget(this);

    Q3VBoxLayout *vbox = new Q3VBoxLayout(w);
    vbox->setMargin(5);
    vbox->setSpacing(5);

    Q3GridLayout *grid = new Q3GridLayout(vbox);
    grid->setMargin(0);
    grid->setSpacing(5);

    QLabel *label = new QLabel(tr("Split Date"), w);
    grid->addWidget(label, 0, 0);

    Bar bar;
    db->getLastBar(bar);
    QDateTime dt;
    bar.getDate(dt);
    if (! bar.getEmptyFlag())
        splitDate = new Q3DateEdit(dt.date(), w);
    else
        splitDate = new Q3DateEdit(QDate::currentDate(), w);
    splitDate->setOrder(Q3DateEdit::YMD);
    grid->addWidget(splitDate, 0, 1);

    label = new QLabel(tr("Split Ratio"), w);
    grid->addWidget(label, 1, 0);

    splitRatio = new QLineEdit("2:1", w);
    grid->addWidget(splitRatio, 1, 1);

    QPushButton *button = new QPushButton(tr("Perform Split"), w);
    connect(button, SIGNAL(clicked()), this, SLOT(split()));
    vbox->addWidget(button);

    vbox->addStretch(1);

    addTab(w, tr("Split"));
}

KAstTopLevel::KAstTopLevel( QWidget *parent, const char *name )
    : Q3MainWindow( parent, name, 0 )
{
    QWidget *border = new QWidget( this );
    border->setBackgroundColor( Qt::black );
    setCentralWidget( border );

    Q3VBoxLayout *borderLayout = new Q3VBoxLayout( border );
    borderLayout->addStretch( 1 );

    QWidget *mainWin = new QWidget( border );
    mainWin->setFixedSize(640, 480);
    borderLayout->addWidget( mainWin, 0, Qt::AlignHCenter );

    borderLayout->addStretch( 1 );

    view = new KAsteroidsView( mainWin );
    view->setFocusPolicy( Qt::StrongFocus );
    connect( view, SIGNAL( shipKilled() ), SLOT( slotShipKilled() ) );
    connect( view, SIGNAL( rockHit(int) ), SLOT( slotRockHit(int) ) );
    connect( view, SIGNAL( rocksRemoved() ), SLOT( slotRocksRemoved() ) );
    connect( view, SIGNAL( updateVitals() ), SLOT( slotUpdateVitals() ) );

    Q3VBoxLayout *vb = new Q3VBoxLayout( mainWin );
    Q3HBoxLayout *hb = new Q3HBoxLayout;
    Q3HBoxLayout *hbd = new Q3HBoxLayout;
    vb->addLayout( hb );

    QFont labelFont( "helvetica", 24 );
    QColorGroup grp( Qt::darkGreen, Qt::black, QColor( 128, 128, 128 ),
	    QColor( 64, 64, 64 ), Qt::black, Qt::darkGreen, Qt::black );
    QPalette pal( grp, grp, grp );

    mainWin->setPalette( pal );

    hb->addSpacing( 10 );

    QLabel *label;
    label = new QLabel( tr("Score"), mainWin );
    label->setFont( labelFont );
    label->setPalette( pal );
    label->setFixedWidth( label->sizeHint().width() );
    hb->addWidget( label );

    scoreLCD = new QLCDNumber( 6, mainWin );
    scoreLCD->setFrameStyle( Q3Frame::NoFrame );
    scoreLCD->setSegmentStyle( QLCDNumber::Flat );
    scoreLCD->setFixedWidth( 150 );
    scoreLCD->setPalette( pal );
    hb->addWidget( scoreLCD );
    hb->addStretch( 10 );

    label = new QLabel( tr("Level"), mainWin );
    label->setFont( labelFont );
    label->setPalette( pal );
    label->setFixedWidth( label->sizeHint().width() );
    hb->addWidget( label );

    levelLCD = new QLCDNumber( 2, mainWin );
    levelLCD->setFrameStyle( Q3Frame::NoFrame );
    levelLCD->setSegmentStyle( QLCDNumber::Flat );
    levelLCD->setFixedWidth( 70 );
    levelLCD->setPalette( pal );
    hb->addWidget( levelLCD );
    hb->addStretch( 10 );

    label = new QLabel( tr("Ships"), mainWin );
    label->setFont( labelFont );
    label->setFixedWidth( label->sizeHint().width() );
    label->setPalette( pal );
    hb->addWidget( label );

    shipsLCD = new QLCDNumber( 1, mainWin );
    shipsLCD->setFrameStyle( Q3Frame::NoFrame );
    shipsLCD->setSegmentStyle( QLCDNumber::Flat );
    shipsLCD->setFixedWidth( 40 );
    shipsLCD->setPalette( pal );
    hb->addWidget( shipsLCD );

    hb->addStrut( 30 );

    vb->addWidget( view, 10 );

// -- bottom layout:
    vb->addLayout( hbd );

    QFont smallFont( "helvetica", 14 );
    hbd->addSpacing( 10 );

    QString sprites_prefix = ":/trolltech/examples/graphicsview/portedasteroids/sprites/";
/*
    label = new QLabel( tr( "T" ), mainWin );
    label->setFont( smallFont );
    label->setFixedWidth( label->sizeHint().width() );
    label->setPalette( pal );
    hbd->addWidget( label );

    teleportsLCD = new QLCDNumber( 1, mainWin );
    teleportsLCD->setFrameStyle( QFrame::NoFrame );
    teleportsLCD->setSegmentStyle( QLCDNumber::Flat );
//.........这里部分代码省略.........

void StocksDialog::createDetailsPage ()
{
    QWidget *w = new QWidget(this);

    Q3VBoxLayout *vbox = new Q3VBoxLayout(w);
    vbox->setMargin(5);
    vbox->setSpacing(5);

    Q3GridLayout *grid = new Q3GridLayout(vbox);
    grid->setMargin(0);
    grid->setSpacing(5);

    QLabel *label = new QLabel(tr("Symbol"), w);
    grid->addWidget(label, 0, 0);

    QString s;
    DBIndexItem item;
    index->getIndexItem(symbol, item);
    item.getSymbol(s);
    label = new QLabel(s, w);
    label->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
    grid->addWidget(label, 0, 1);

    label = new QLabel(tr("Name"), w);
    grid->addWidget(label, 1, 0);

    item.getTitle(s);
    title = new QLineEdit(s, w);
    grid->addWidget(title, 1, 1);

    label = new QLabel(tr("Exchange"), w);
    grid->addWidget(label, 2, 0);

    item.getExchange(s);
    Exchange ex;
    ex.getExchange(s.toInt(), s);
    label = new QLabel(s, w);
    label->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
    grid->addWidget(label, 2, 1);

    label = new QLabel(tr("Type"), w);
    grid->addWidget(label, 3, 0);

    item.getType(s);
    label = new QLabel(s, w);
    label->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
    grid->addWidget(label, 3, 1);

    label = new QLabel(tr("First Date"), w);
    grid->addWidget(label, 4, 0);

    Bar bar;
    db->getFirstBar(bar);
    if (! bar.getEmptyFlag())
    {
        bar.getDateTimeString(TRUE, s);
        label = new QLabel(s, w);
        label->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
        grid->addWidget(label, 4, 1);
    }

    label = new QLabel(tr("Last Date"), w);
    grid->addWidget(label, 5, 0);

    Bar bar2;
    db->getLastBar(bar2);
    if (! bar2.getEmptyFlag())
    {
        bar2.getDateTimeString(TRUE, s);
        label = new QLabel(s, w);
        label->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
        grid->addWidget(label, 5, 1);
    }

    grid->expand(grid->numRows() + 1, grid->numCols());
    grid->setColStretch(1, 1);

    vbox->addStretch(1);

    addTab(w, tr("Details"));
}