C++ QTextImageFormat::setToolTip方法代码示例

bool Converter::convertFrame(const QDomElement &element)
{
    QDomElement child = element.firstChildElement();
    QDomElement suchild = element.lastChildElement("title");
    /// svg:title alt && title 
    while (!child.isNull())
    {
        if (child.tagName() == QLatin1String("image"))
        {
            const QString href = child.attribute("href");
            const QString xname = element.attribute("name");
            QString alttitle = QString("Name:%1 - Ref:%2").arg(xname).arg(href);
            if (suchild.tagName() == QLatin1String("title"))
            {
                alttitle.append(QString(" - Title:%1").arg(suchild.text()));
            }
            QTextImageFormat format;
            format.setToolTip(alttitle);
            format.setWidth(4.0/3.0*StyleParser::convertUnit(element.attribute("width")));
            format.setHeight(4.0/3.0*StyleParser::convertUnit(element.attribute("height")));
            format.setName(href);
            format.setBackground(Qt::white);
            m_Cursor->insertImage(format);
        }

        child = child.nextSiblingElement();
    }

    return true;
}

void TextEdit::insertImage( const QString & path ) {
    QPair< QString, QSize > imgKey( this->p_->addImageResource( path ) );

    QTextCursor cursor( this->textCursor() );

    QTextImageFormat format;
    format.setName( imgKey.first );
    format.setToolTip( imgKey.first );
    format.setWidth( imgKey.second.width() );
    format.setHeight( imgKey.second.height() );
    cursor.insertImage( format );

    this->setTextCursor( cursor );
}

void TextEdit::Private::replaceImage( std::map< QString, QUrl > & mapping, const QFileInfo & oldP, const QFileInfo & newP ) {
    QVariant r( this->host->document()->resource( QTextDocument::ImageResource, QUrl( oldP.fileName() ) ) );
    this->host->document()->addResource( QTextDocument::ImageResource, QUrl( oldP.fileName() ), QVariant() );
    this->host->document()->addResource( QTextDocument::ImageResource, QUrl( newP.fileName() ), r );

    this->currentCursor.deletePreviousChar();
    QTextImageFormat format;
    format.setName( newP.fileName() );
    format.setToolTip( newP.fileName() );
    this->currentCursor.insertImage( format );

    mapping.erase( oldP.fileName() );
    mapping.insert( std::make_pair( newP.fileName(), QUrl::fromLocalFile( newP.absoluteFilePath() ) ) );
    this->testCase->setImageMapping( mapping );
}

void QTextPanel::stressTestPaint()
{
    /////////pageClear();  /* remove all if exist text */
    
    
    QTextDocument *playdoc = new QTextDocument();
    QTextCursor c(playdoc);
    c.setPosition(0,QTextCursor::MoveAnchor);
    
    int loop = -1;
    c.beginEditBlock();
    
    QStringList colorNames = QColor::colorNames();
    foreach (QString name, colorNames) {
        loop++;
        
        if (loop != 0) { 
        c.insertBlock();
        }
        
        ////////qDebug() << "### name ->" << name;
        
        QPixmap e = createColorMaps( name );
        playdoc->addResource(QTextDocument::ImageResource,QUrl(name),e);
        QTextImageFormat format;
        format.setName( name );
        format.setHeight ( e.height() );
        format.setWidth ( e.width() );
        format.setToolTip(name);
        c.insertImage( format );
        c.insertText(QString(QChar::LineSeparator));   /* br */
        ////////////QTextBlockFormat bbformat = c.blockFormat();
        /////////bbformat.setPageBreakPolicy(QTextFormat::PageBreak_AlwaysAfter);
        ////////c.setBlockFormat(bbformat);
        
        for (int i = 0; i < 15; ++i)  {
        c.insertText(name+ "   .");   
        }
        c.endEditBlock();
        c.atBlockEnd();
        
    }

void ContactListEdit::addContactEntry(const QString& contactText, const bts::addressbook::contact& c,
                                      bool rawPublicKey, const QString* entryTooltip /*= nullptr*/)
{
    QFont        default_font;
    default_font.setPointSize( default_font.pointSize() - 1 );
    default_font.setBold(rawPublicKey);

    QFontMetrics font_metrics(default_font);
    QRect        bounding = font_metrics.boundingRect(contactText);
    int          completion_width = font_metrics.width(contactText);
    int          completion_height = bounding.height();

    completion_width += 20;

    QImage   completion_image(completion_width, completion_height + 4, QImage::Format_ARGB32);
    completion_image.fill(QColor(0, 0, 0, 0) );
    QPainter painter;
    painter.begin(&completion_image);
    painter.setFont(default_font);
    painter.setRenderHint(QPainter::Antialiasing);

    QBrush brush(Qt::SolidPattern);
    brush.setColor( QColor( 205, 220, 241 ) );
    QPen  pen, textColorPen;

    bool isKeyhoteeFounder = rawPublicKey == false && Contact::isKeyhoteeFounder(c);

    if (isKeyhoteeFounder)
    {
        QLinearGradient grad(QPointF(0, 0), QPointF(0, 1));
        grad.setCoordinateMode(QGradient::ObjectBoundingMode);
        grad.setColorAt(0, QColor(35, 40, 3));
        grad.setColorAt(0.102273, QColor(136, 106, 22));
        grad.setColorAt(0.225, QColor(166, 140, 41));
        grad.setColorAt(0.285, QColor(204, 181, 74));
        grad.setColorAt(0.345, QColor(235, 219, 102));
        grad.setColorAt(0.415, QColor(245, 236, 112));
        grad.setColorAt(0.52, QColor(209, 190, 76));
        grad.setColorAt(0.57, QColor(187, 156, 51));
        grad.setColorAt(0.635, QColor(168, 142, 42));
        grad.setColorAt(0.695, QColor(202, 174, 68));
        grad.setColorAt(0.75, QColor(218, 202, 86));
        grad.setColorAt(0.815, QColor(208, 187, 73));
        grad.setColorAt(0.88, QColor(187, 156, 51));
        grad.setColorAt(0.935, QColor(137, 108, 26));
        grad.setColorAt(1, QColor(35, 40, 3));

        brush = QBrush(grad);
        pen.setColor( QColor( 103, 51, 1 ) );
    }
    else
    {
        if(rawPublicKey)
        {
            brush.setColor(QColor(Qt::darkGreen));
            textColorPen.setColor(QColor(Qt::white));
        }
        else
        {
            brush.setColor( QColor( 205, 220, 241 ) );
            pen.setColor( QColor( 105,110,180 ) );
        }
    }

    painter.setBrush(brush);
    painter.setPen(pen);
    painter.drawRoundedRect(0, 0, completion_width - 1, completion_image.height() - 1, 8, 8,
                            Qt::AbsoluteSize);
    painter.setPen(textColorPen);
    painter.drawText(QPoint(10, completion_height - 2), contactText);

    QTextDocument* doc = document();
    doc->addResource(QTextDocument::ImageResource, QUrl(contactText), completion_image);
    QTextImageFormat format;
    format.setName(contactText);

    encodePublicKey(c.public_key, &format);

    if(entryTooltip != nullptr)
        format.setToolTip(*entryTooltip);

    QTextCursor txtCursor = textCursor();
    txtCursor.insertImage(format);
    setTextCursor(txtCursor);
}