C++ QTabBar::tabButton方法代码示例

MainWidget::MainWidget(QWidget *parent) : QWidget(parent)
{
  setFixedSize(1920, 1200);
  setWindowTitle(tr("Babel"));

  QVBoxLayout *mainLayout = new QVBoxLayout;
  QTabBar *tb;

  UiContact *contact = new UiContact(this);
  QScrollArea *contactScrollArea = new QScrollArea();
  contactScrollArea->setWidget(contact);

  _tabWidget = new QTabWidget;
  tb = _tabWidget->tabBar();

  _tabWidget->addTab(new Home(), tr("Home"));
  _tabWidget->addTab(contactScrollArea, tr("Contact"));

  std::ostringstream oss;

  _tabWidget->setTabsClosable(true);
  connect(_tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(closeTab(int)));

  tb->tabButton(0, QTabBar::RightSide)->hide();
  tb->tabButton(1, QTabBar::RightSide)->hide();

  _tabWidget->setFocusPolicy(Qt::NoFocus);

  connect(&g_PTUser, SIGNAL(receivedCall(const std::string&)), this, SLOT(receivedCall(const std::string&)));
  mainLayout->addWidget(_tabWidget);
  setLayout(mainLayout);
}

SoutDialog::SoutDialog( QWidget *parent, intf_thread_t *_p_intf, const QString& inputMRL )
           : QWizard( parent )
{
    p_intf = _p_intf;

    setWindowTitle( qtr( "Stream Output" ) );
    setWindowRole( "vlc-stream-output" );

    /* UI stuff */
    ui.setupUi( this );
    ui.inputBox->setMRL( inputMRL );
    ui.helpEdit->setPlainText( qtr("This wizard will allow you to stream or "
            "convert your media for use locally, on your private network, "
            "or on the Internet.\n"
            "You should start by checking that source matches what you want "
            "your input to be and then press the \"Next\" "
            "button to continue.\n") );

    ui.mrlEdit->setToolTip ( qtr( "Stream output string.\n"
                "This is automatically generated "
                 "when you change the above settings,\n"
                 "but you can change it manually." ) ) ;

    ui.destTab->setTabsClosable( true );
    QTabBar* tb = ui.destTab->findChild<QTabBar*>();
    if( tb != NULL ) tb->tabButton(0, QTabBar::RightSide)->hide();
    CONNECT( ui.destTab, tabCloseRequested( int ), this, closeTab( int ) );
    ui.destTab->setTabIcon( 0, QIcon( ":/buttons/playlist/playlist_add" ) );

    ui.destBox->addItem( qtr( "File" ) );
    ui.destBox->addItem( "HTTP" );
    ui.destBox->addItem( "MS-WMSP (MMSH)" );
    ui.destBox->addItem( "RTSP" );
    ui.destBox->addItem( "RTP / MPEG Transport Stream" );
    ui.destBox->addItem( "RTP Audio/Video Profile" );
    ui.destBox->addItem( "UDP (legacy)" );
    ui.destBox->addItem( "IceCast" );

    BUTTONACT( ui.addButton, addDest() );

//     /* Connect everything to the updateMRL function */
#define CB( x ) CONNECT( ui.x, toggled( bool ), this, updateMRL() );
#define CT( x ) CONNECT( ui.x, textChanged( const QString& ), this, updateMRL() );
#define CS( x ) CONNECT( ui.x, valueChanged( int ), this, updateMRL() );
#define CC( x ) CONNECT( ui.x, currentIndexChanged( int ), this, updateMRL() );

    /* Misc */
    CB( soutAll );
    CB( localOutput ); CB( transcodeBox );
    CONNECT( ui.profileSelect, optionsChanged(), this, updateMRL() );

    setButtonText( QWizard::FinishButton, "Stream" );

#undef CC
#undef CS
#undef CT
#undef CB
}

void tst_QTabBar::closeButton()
{
    QTabBar tabbar;
    QCOMPARE(tabbar.tabsClosable(), false);
    tabbar.setTabsClosable(true);
    QCOMPARE(tabbar.tabsClosable(), true);
    tabbar.addTab("foo");

    QTabBar::ButtonPosition closeSide = (QTabBar::ButtonPosition)tabbar.style()->styleHint(QStyle::SH_TabBar_CloseButtonPosition, 0, &tabbar);
    QTabBar::ButtonPosition otherSide = (closeSide == QTabBar::LeftSide ? QTabBar::RightSide : QTabBar::LeftSide);
    QVERIFY(tabbar.tabButton(0, otherSide) == 0);
    QVERIFY(tabbar.tabButton(0, closeSide) != 0);

    QAbstractButton *button = static_cast<QAbstractButton*>(tabbar.tabButton(0, closeSide));
    QVERIFY(button);
    QSignalSpy spy(&tabbar, SIGNAL(tabCloseRequested(int)));
    button->click();
    QCOMPARE(tabbar.count(), 1);
    QCOMPARE(spy.count(), 1);
}

// QTabBar::setTabButton(index, closeSide, closeButton);
void tst_QTabBar::tabButton()
{
    QFETCH(QTabBar::ButtonPosition, position);
    QTabBar::ButtonPosition otherSide = (position == QTabBar::LeftSide ? QTabBar::RightSide : QTabBar::LeftSide);

    QTabBar tabbar;
    tabbar.resize(500, 200);
    tabbar.show();
    QTRY_VERIFY(tabbar.isVisible());

    tabbar.setTabButton(-1, position, 0);
    QVERIFY(tabbar.tabButton(-1, position) == 0);
    QVERIFY(tabbar.tabButton(0, position) == 0);

    tabbar.addTab("foo");
    QCOMPARE(tabbar.count(), 1);
    tabbar.setTabButton(0, position, 0);
    QVERIFY(tabbar.tabButton(0, position) == 0);

    QPushButton *button = new QPushButton;
    button->show();
    button->setText("hi");
    button->resize(10, 10);
    QTRY_VERIFY(button->isVisible());
    QTRY_VERIFY(button->isVisible());

    tabbar.setTabButton(0, position, button);

    QCOMPARE(tabbar.tabButton(0, position), static_cast<QWidget *>(button));
    QTRY_VERIFY(!button->isHidden());
    QVERIFY(tabbar.tabButton(0, otherSide) == 0);
    QCOMPARE(button->parent(), static_cast<QObject *>(&tabbar));
    QVERIFY(button->pos() != QPoint(0, 0));

    QPushButton *button2 = new QPushButton;
    tabbar.setTabButton(0, position, button2);
    QVERIFY(button->isHidden());
}