C++ QContent::icon方法代码示例

/*!
    Constructs a new WheelBrowserScreen instance with the given \a parent and
    widget \a flags.
*/
WheelBrowserScreen::WheelBrowserScreen(QWidget *parent, Qt::WFlags flags)
: QAbstractBrowserScreen(parent, flags),
  m_fillAlpha(0), m_hiding(false), m_wheel(0), m_fillTimeline(0)
{
    QPalette pal = palette();
    pal.setColor(QPalette::Window, QColor(100, 100, 100, 0));
    setPalette(pal);

    QVBoxLayout * layout = new QVBoxLayout(this);
    setLayout(layout);

    m_wheel = new QPixmapWheel(this);
    QFont f = font();
    f.setBold(true);
    m_wheel->setFont(f);
    m_wheel->setMaximumVisibleIcons(7);

    QObject::connect(m_wheel, SIGNAL(moveToCompleted()),
                     this, SLOT(moveToCompleted()));
    QObject::connect(m_wheel, SIGNAL(itemSelected(QString)),
                     this, SLOT(clicked(QString)));
    setFocusProxy(m_wheel);

    layout->addStretch(1);
    layout->addWidget(m_wheel, 5);
    layout->addStretch(1);

    m_data = new QPixmapWheelData;

    // Load apps
    QSettings cfg(Qtopia::defaultButtonsFile(), QSettings::IniFormat);
    cfg.beginGroup("Menu"); // No tr
    const int menur = cfg.value("Rows",3).toInt();
    const int menuc = cfg.value("Columns",3).toInt();
    QString menuKeyMap = cfg.value("Map","123456789").toString();

    for (int i = 0; i < menur*menuc; i++) {
        QChar key = menuKeyMap[i];
        QStringList entries = cfg.value(QString(key)).toStringList();

        if(!entries.isEmpty()) {
            QContent *app = readLauncherMenuItem(entries.first());

            if(app) {
                QString file = app->fileName();
                QString name = app->name();
                if(app->type().startsWith("Folder/") )
                    file = app->type();
                QPixmap pix = app->icon().pixmap(QSize(48, 48));
                if(file.isEmpty())
                    file = app->type();

                if(!file.isEmpty() && !name.isEmpty() && !pix.isNull()) {
                    m_data->appendItem(file, pix, name);
                }
                delete app;
            }
        }
    }

    m_fillTimeline = new QTimeLine(2000, this);
    QObject::connect(m_fillTimeline, SIGNAL(valueChanged(qreal)),
                     this, SLOT(timelineStep(qreal)));
}

void CameraMainWindow::delayedInit()
{
    settingsDialog = new QDialog( this );
    settingsDialog->setModal( true );
    settings = new Ui::CameraSettings();
    settings->setupUi( settingsDialog );
    settingsDialog->setObjectName( "settings" );    // To pick up correct help.
    connect( settings->photo_quality, SIGNAL(valueChanged(int)),
             settings->photo_quality_n, SLOT(setNum(int)) );
    QFileSystemFilter *fsf = new QFileSystemFilter;
    fsf->documents = QFileSystemFilter::Set;
    settings->location->setFilter(fsf);
    // load settings from config
    QSettings cfg("Trolltech","Camera");
    cfg.beginGroup("General");
    QString l = cfg.value("location").toString();
    if ( !l.isEmpty() )
        settings->location->setLocation(l);
    else
        settings->location->setLocation(QFileSystem::documentsFileSystem().documentsPath());
    storagepath = settings->location->documentPath();
    cfg.endGroup();
    cfg.beginGroup("Photo");
    int w;
    w = cfg.value("width",camera->videocaptureview->recommendedPhotoSize().width()).toInt();
    for (psize=0; psize<(int)photo_size.count()-1 && photo_size[psize].width() > w;)
        psize++;
    pquality = cfg.value("quality",settings->photo_quality->value()).toInt();
    cfg.endGroup();
    cfg.beginGroup("Video");
    w = cfg.value("width",camera->videocaptureview->recommendedVideoSize().width()).toInt();
    for (vsize=0; vsize<(int)video_size.count()-1 && video_size[vsize].width() > w;)
        vsize++;
    vquality = cfg.value("quality",settings->video_quality->value()).toInt();
    vframerate = cfg.value("framerate",settings->video_framerate->value()).toInt();

    for (int i=0; i<(int)photo_size.count(); i++) {
        settings->photo_size->addItem(tr("%1 x %2","picture size e.g. 640 x 480").arg(photo_size[i].width()).arg(photo_size[i].height()));
    }
    for (int i=0; i<(int)video_size.count(); i++) {
        settings->video_size->addItem(tr("%1 x %2","picture size e.g. 640 x 480").arg(video_size[i].width()).arg(video_size[i].height()));
    }

    QMimeType m( QLatin1String( "image/jpeg" ));
    QContent a = m.application();
    QIcon picViewIcon = a.icon();
    if ( picViewIcon.isNull() )
        picViewIcon = QIcon( QLatin1String( ":icon/view" ));

    if ( video_supported ) {
        // If video_supported is ever not a constant false then ensure
        // an application is available to handle it
        if ( a.isValid() )
        {
            a_vview = new QAction( QIcon(":image/"+a.iconName()), QString("%1...").arg(a.name()), this );
            connect( a_vview, SIGNAL(triggered()), this, SLOT(viewVideos()) );
        }
    } else {
        a_vview = 0;
    }

    a_pview = new QAction( QIcon(), tr( "View pictures" ), this );
    a_pview->setIcon(picViewIcon);
    connect( a_pview, SIGNAL(triggered()), this, SLOT(viewPictures()) );

    a_timer = new QAction( QIcon( ":icon/wait" ) , tr("Timer"), this );
    connect( a_timer, SIGNAL(triggered()), this, SLOT(takePhotoTimer()) );

    if(camera->videocaptureview->available())
    {
        a_settings = new QAction( QIcon( ":icon/settings" ) , tr("Settings..."), this );
        connect( a_settings, SIGNAL(triggered()), this, SLOT(doSettings()) );
    }

    a_th_edit = new QAction( QIcon(":icon/edit"), tr("Edit"), this );
    connect( a_th_edit, SIGNAL(triggered()), this, SLOT(editThumb()) );
    a_th_del = new QAction( QIcon(":icon/trash"), tr("Delete"), this );
    connect( a_th_del, SIGNAL(triggered()), this, SLOT(delThumb()) );
    a_th_add = new QAction( QIcon(":image/addressbook/AddressBook"), tr("Save to Contact..."), this );
    connect( a_th_add, SIGNAL(triggered()), this, SLOT(moveToContact()) );
    a_send = new QAction( QIcon( ":icon/beam" ), tr("Send to Contact..."), this );
    connect( a_send, SIGNAL(triggered()), this, SLOT(sendFile()) );

    a_zoom = new QAction( QIcon( ), tr("Zoom"), this);
    connect(a_zoom, SIGNAL(triggered()), this, SLOT(showZoom()));
    m_zoom = new QSlider(this);
    m_zoom->setSliderPosition(50);
    m_zoom->setOrientation(Qt::Horizontal);

    m_zoom->setRange(camera->videocaptureview->minZoom(),camera->videocaptureview->maxZoom());
    m_zoom->setValue(0);
    m_zoom->setGeometry(width()*1/5, height()*2/3, 60*width()/100, 40*height()/100);
    m_zoom->hide();

    connect(m_zoom, SIGNAL(valueChanged(int)), this, SLOT(zoomChanged(int)));

    QMenu *contextMenu = QSoftMenuBar::menuFor(this);
    if(camera->videocaptureview->available())
    {
        contextMenu->addAction( a_pview );
//.........这里部分代码省略.........