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C++ QTextLine::setPosition方法代码示例

本文整理汇总了C++中QTextLine::setPosition方法的典型用法代码示例。如果您正苦于以下问题：C++ QTextLine::setPosition方法的具体用法？C++ QTextLine::setPosition怎么用？C++ QTextLine::setPosition使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QTextLine的用法示例。


在下文中一共展示了QTextLine::setPosition方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: layoutText

void TextLabel::layoutText(QTextLayout &layout, const QString &text, const QSize &constraints)
{
    QFontMetrics metrics(layout.font());
    int leading = metrics.leading();
    int height = 0;
    int maxWidth = constraints.width();
    int widthUsed = 0;
    int lineSpacing = metrics.lineSpacing();
    QTextLine line;

    layout.setText(text);

    layout.beginLayout();
    while ((line = layout.createLine()).isValid()) {
        height += leading;

        // Make the last line that will fit infinitely long.
        // drawTextLayout() will handle this by fading the line out
        // if it won't fit in the constraints.
        if (height + 2 * lineSpacing > constraints.height()) {
            line.setPosition(QPoint(0, height));
            break;
        }

        line.setLineWidth(maxWidth);
        line.setPosition(QPoint(0, height));

        height += int(line.height());
        widthUsed = int(qMax(qreal(widthUsed), line.naturalTextWidth()));
    }
    layout.endLayout();
}
开发者ID:CerebrosuS，项目名称:plasma-desktop，代码行数:32，代码来源:textlabel.cpp

示例2: init

  void UserIcon::init(){
    QString text = tr(user_->name().c_str());
    layout_ = new QTextLayout(text,
                              d_->users_scene()->font());
    QFontMetricsF fm(d_->users_scene()->font());
    layout_->beginLayout();
    QTextLine line = layout_->createLine();
    //line.setNumColumns(1);
    QSizeF text_size_ = fm.boundingRect(text).size();
    // TODO: Figure out what these numbers are all about, why width/4, height/4
    //line.setPosition(QPointF(s.width()/4.0,
                            // -s.height()/4.0));
    line.setPosition(QPointF());

    layout_->endLayout();
    layout_->setCacheEnabled(true);

    menu_ = new QMenu(tr(user_->name().c_str()));
    show_on_map_ = new QAction(tr("Show on map"), this);
    menu_->addAction(show_on_map_);
    connect(show_on_map_, SIGNAL(triggered()),
            this,
            SLOT(activateLastNode()));
    focus_on_ = new QAction(tr("Focus on"), this);
    menu_->addAction(focus_on_);
    connect(focus_on_, SIGNAL(triggered()),
            this,
            SLOT(focusOnLastNode()));

    updateDrawRect();
  }
开发者ID:ptierney，项目名称:Kaleidoscope，代码行数:31，代码来源:userIcon.cpp

示例3: recalculateTextLayout

void TestResultDelegate::recalculateTextLayout(const QModelIndex &index, const QString &output,
                                               const QFont &font, int width) const
{
    if (m_lastProcessedIndex == index && m_lastProcessedFont == font)
        return;

    const QFontMetrics fm(font);
    const int leading = fm.leading();
    const int fontHeight = fm.height();

    m_lastProcessedIndex = index;
    m_lastProcessedFont = font;
    m_lastCalculatedHeight = 0;
    m_lastCalculatedLayout.clearLayout();
    m_lastCalculatedLayout.setText(output);
    m_lastCalculatedLayout.setFont(font);
    QTextOption txtOption;
    txtOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
    m_lastCalculatedLayout.setTextOption(txtOption);
    m_lastCalculatedLayout.beginLayout();
    while (true) {
        QTextLine line = m_lastCalculatedLayout.createLine();
        if (!line.isValid())
            break;
        line.setLineWidth(width);
        m_lastCalculatedHeight += leading;
        line.setPosition(QPoint(0, m_lastCalculatedHeight));
        m_lastCalculatedHeight += fontHeight;
    }
    m_lastCalculatedLayout.endLayout();
}
开发者ID:Lykurg，项目名称:qt-creator，代码行数:31，代码来源:testresultdelegate.cpp

示例4: drawDisplay

void PluginListDelegate::drawDisplay(QPainter* painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const
{
    QTextDocument textDocument;
    textDocument.setHtml(text);

    QTextLayout textLayout(textDocument.begin());
    textLayout.setFont(option.font);

    const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin, 0) + 1;
    QRect textRect = rect.adjusted(textMargin, 0, -textMargin, 0); // remove width padding

    textLayout.beginLayout();
    qreal height = 0;
    while (1) {
        QTextLine line = textLayout.createLine();
        if (!line.isValid()) {
            break;
        }

        line.setLineWidth(textRect.width());
        height += 3;
        line.setPosition(QPoint(0, height));
        height += line.height();
    }
    textLayout.endLayout();

    textLayout.draw(painter, QPointF(textRect.left(), textRect.top()));
}
开发者ID:JoseAngelMuyoz，项目名称:QupZilla，代码行数:28，代码来源:pluginlistdelegate.cpp

示例5: paint_QTextLayout

void paint_QTextLayout(QPainter &p, bool useCache)
{
    static bool first = true;
    static QTextLayout *textLayout[lines];
    if (first) {
        for (int i = 0; i < lines; ++i) {
            textLayout[i] = new QTextLayout(strings[i]);
            int leading = p.fontMetrics().leading();
            qreal height = 0;
            qreal widthUsed = 0;
            textLayout[i]->setCacheEnabled(useCache);
            textLayout[i]->beginLayout();
            while (1) {
                QTextLine line = textLayout[i]->createLine();
                if (!line.isValid())
                    break;

                line.setLineWidth(lineWidth);
                height += leading;
                line.setPosition(QPointF(0, height));
                height += line.height();
                widthUsed = qMax(widthUsed, line.naturalTextWidth());
            }
            textLayout[i]->endLayout();
        }
        first = false;
    }
    for (int i = 0; i < count; ++i) {
        for (int j = 0; j < lines; ++j) {
            textLayout[j]->draw(&p, QPoint(0, j*spacing));
        }
    }
}
开发者ID:mpvader，项目名称:qt，代码行数:33，代码来源:paintbenchmark.cpp

示例6: layoutText

void YTDelegate::layoutText(QTextLayout& textLayout, QString text, QSize constraint) const
{
    QTextOption textOption(Qt::AlignJustify);
    textLayout.setTextOption(textOption);
    textLayout.setText(text);
    textLayout.beginLayout();
    int lHeight = 0;
    while(true){
        QTextLine line = textLayout.createLine();
        if(!line.isValid())
            break;
        line.setLineWidth(constraint.width());
        line.setPosition(QPointF(0, lHeight));
        if(lHeight + line.height() > constraint.height())
        {
            QTextLine lastLine = textLayout.lineAt(textLayout.lineCount() - 2);
            QString lastString = text.mid(lastLine.textStart());
            QFontMetrics fm(textLayout.font());
            text.chop(lastString.length());
            text += fm.elidedText(lastString, Qt::ElideRight, constraint.width()-1);
            textLayout.endLayout();
            layoutText(textLayout, text, constraint);
            return;
        }
        lHeight += line.height();
        lHeight += line.leading();
    }
    textLayout.endLayout();
}
开发者ID:pder，项目名称:smtube，代码行数:29，代码来源:ytdelegate.cpp

示例7: textFontMetrics

//virtual
void	PixButton::redoLabelTextLayout()
{
	//TODO: somewhat wasteful. If there is no label, should just exit early and leave a layout that will be left unrendered by paint()
	m_textLayoutObject.clearLayout();
	m_textLayoutObject.setText(m_label);
	m_textLayoutObject.setFont(m_textFont);
	QTextOption textOpts;
	textOpts.setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
	textOpts.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
	m_textLayoutObject.setTextOption(textOpts);

	QFontMetrics textFontMetrics(m_textFont);
	int leading = textFontMetrics.leading();
	int rise = textFontMetrics.ascent();
	qreal height = 0;

	m_textLayoutObject.beginLayout();
	while (height < m_labelMaxGeom.height()) {
		QTextLine line = m_textLayoutObject.createLine();
		if (!line.isValid())
			break;
		line.setLineWidth(m_labelMaxGeom.width());
		if (m_textLayoutObject.lineCount() > 1)
		{
			height += leading;
		}
		line.setPosition(QPointF(0, height));
		height += line.height();
	}
	height = qMin((quint32)DimensionsGlobal::roundUp(height),(quint32)m_labelMaxGeom.height());
	height = DimensionsGlobal::roundDown(height) - (DimensionsGlobal::roundDown(height) % 2);	//force to an even #
	m_textLayoutObject.endLayout();
	//TODO: PIXEL-ALIGN
	m_labelGeom = DimensionsGlobal::realRectAroundRealPoint(QSizeF(m_textLayoutObject.boundingRect().width(),height)).toAlignedRect();
}
开发者ID:brandongoeszoom，项目名称:luna-sysmgr，代码行数:36，代码来源:pixbutton.cpp

示例8: doLayout

void ChatItem::doLayout(QTextLayout *layout) const {
  layout->beginLayout();
  QTextLine line = layout->createLine();
  if(line.isValid()) {
    line.setLineWidth(width());
    line.setPosition(QPointF(0,0));
  }
  layout->endLayout();
}
开发者ID:Yofel，项目名称:quassel-log-export，代码行数:9，代码来源:chatitem.cpp

示例9: setDisplayedName

void LayerView::setDisplayedName(const QString& s)
{
    m_displayedName = s;

    m_textcache.setText(s);
    m_textcache.beginLayout();
    QTextLine line = m_textcache.createLine();
    line.setPosition(QPointF{0., 0.});

    m_textcache.endLayout();

    update();
}
开发者ID:himito，项目名称:i-score，代码行数:13，代码来源:AutomationView.cpp

示例10: viewItemTextLayout

// Origin: Qt
static void viewItemTextLayout ( QTextLayout &textLayout, int lineWidth, qreal &height, qreal &widthUsed )
{
	height = 0;
	widthUsed = 0;
	textLayout.beginLayout();
	while ( true )
	{
		QTextLine line = textLayout.createLine();
		if ( !line.isValid() )
			break;
		line.setLineWidth ( lineWidth );
		line.setPosition ( QPointF ( 0, height ) );
		height += line.height();
		widthUsed = qMax ( widthUsed, line.naturalTextWidth() );
	}
	textLayout.endLayout();
}
开发者ID:ForkkTest，项目名称:MultiMC5，代码行数:18，代码来源:instancedelegate.cpp

示例11: doTextLayout

// copied from QItemDelegate for drawDisplay
QSizeF doTextLayout(QTextLayout *textLayout, int lineWidth)
{
    qreal height = 0;
    qreal widthUsed = 0;
    textLayout->beginLayout();
    while (true) {
        QTextLine line = textLayout->createLine();
        if (!line.isValid())
            break;
        line.setLineWidth(lineWidth);
        line.setPosition(QPointF(0, height));
        height += line.height();
        widthUsed = qMax(widthUsed, line.naturalTextWidth());
    }
    textLayout->endLayout();
    return QSizeF(widthUsed, height);
}
开发者ID:kai66673，项目名称:qt-creator，代码行数:18，代码来源:highlightingitemdelegate.cpp

示例12: layoutText

static int layoutText(QTextLayout *layout, int maxWidth) {
    qreal height = 0;
    int textWidth = 0;
    layout->beginLayout();
    while (true) {
        QTextLine line = layout->createLine();
        if (!line.isValid()) {
            break;
        }
        line.setLineWidth(maxWidth);
        line.setPosition(QPointF(0, height));
        height += line.height();
        textWidth = qMax(textWidth, qRound(line.naturalTextWidth() + 0.5));
    }
    layout->endLayout();
    return textWidth;
}
开发者ID:CDrummond，项目名称:carbon，代码行数:17，代码来源:pagewidget.cpp

示例13: doTextLayout

QSizeF QItemDelegatePrivate::doTextLayout(int lineWidth) const
{
    qreal height = 0;
    qreal widthUsed = 0;
    textLayout.beginLayout();
    while (true) {
        QTextLine line = textLayout.createLine();
        if (!line.isValid())
            break;
        line.setLineWidth(lineWidth);
        line.setPosition(QPointF(0, height));
        height += line.height();
        widthUsed = qMax(widthUsed, line.naturalTextWidth());
    }
    textLayout.endLayout();
    return QSizeF(widthUsed, height);
}
开发者ID:phen89，项目名称:rtqt，代码行数:17，代码来源:qitemdelegate.cpp

示例14: paintEvent

void Window::paintEvent(QPaintEvent *event)
{
//! [0]
    QTextLayout textLayout(text, font);
    qreal margin = 10;
    qreal radius = qMin(width()/2.0, height()/2.0) - margin;
    QFontMetrics fm(font);

    qreal lineHeight = fm.height();
    qreal y = 0;

    textLayout.beginLayout();

    while (1) {
        // create a new line 
        QTextLine line = textLayout.createLine();
        if (!line.isValid())
            break;

        qreal x1 = qMax(0.0, pow(pow(radius,2)-pow(radius-y,2), 0.5));
        qreal x2 = qMax(0.0, pow(pow(radius,2)-pow(radius-(y+lineHeight),2), 0.5));
        qreal x = qMax(x1, x2) + margin;
        qreal lineWidth = (width() - margin) - x;

        line.setLineWidth(lineWidth);
        line.setPosition(QPointF(x, margin+y));
        y += line.height();
    }

    textLayout.endLayout();

    QPainter painter;
    painter.begin(this);
    painter.setRenderHint(QPainter::Antialiasing);
    painter.fillRect(rect(), Qt::white);
    painter.setBrush(QBrush(Qt::black));
    painter.setPen(QPen(Qt::black));
    textLayout.draw(&painter, QPoint(0,0));

    painter.setBrush(QBrush(QColor("#a6ce39")));
    painter.setPen(QPen(Qt::black));
    painter.drawEllipse(QRectF(-radius, margin, 2*radius, 2*radius));
    painter.end();
//! [0]
}
开发者ID:Nacto1，项目名称:qt-everywhere-opensource-src-4.6.2，代码行数:45，代码来源:window.cpp

示例15: layoutText

qreal QmlConsoleItemDelegate::layoutText(QTextLayout &tl, int width,
                                         bool *showFileLineInfo) const
{
    qreal height = 0;
    tl.beginLayout();
    while (true) {
        QTextLine line = tl.createLine();

        if (!line.isValid())
            break;
        line.setLeadingIncluded(true);
        line.setLineWidth(width);
        if (width < line.naturalTextWidth() && showFileLineInfo)
            *showFileLineInfo = false;
        line.setPosition(QPoint(0, height));
        height += line.height();
    }
    tl.endLayout();
    return height;
}
开发者ID:kurman-vladimir，项目名称:qt-creator，代码行数:20，代码来源:qmlconsoleitemdelegate.cpp


注：本文中的QTextLine::setPosition方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。