C++ QTextDocumentFragment::toHtml方法代码示例

QMimeData* QTextBrowserEx::createMimeDataFromSelection() const
{
	QMimeData *data = new QMimeData();

	QTextCursor txtCursor = textCursor();
	QTextDocumentFragment htmlFrag = txtCursor.selection();

	data->setHtml(htmlFrag.toHtml());
	data->setText(htmlFrag.toPlainText());

	QString html = htmlFrag.toHtml();

	QList<QPair<QString,QTextCharFormat>> frags;
	getSelectTextFragments(frags);
	QList<QByteArray> lstFrags;
	for(int i = 0; i < frags.count(); i++)
	{
		const QPair<QString,QTextCharFormat> &frag = frags.at(i);
		QString txt = frag.first;
		QTextCharFormat txtfmt = frag.second;
		QByteArray buf;
		QDataStream ds(&buf, QIODevice::WriteOnly);
		ds << txt << txtfmt;
		lstFrags.push_back(buf);
	}
	QByteArray fragsBuffer;
	QDataStream dataStream(&fragsBuffer, QIODevice::WriteOnly);
	dataStream << lstFrags;
	data->setData(KTextEditMime, fragsBuffer);
 	return data;
}

void EditStaff::updateInstrument()
      {
      setInterval(instrument.transpose());

      QList<StaffNameDoc>& nl = instrument.shortNames();
      QTextDocumentFragment df = nl.isEmpty() ? QTextDocumentFragment() : nl[0].name;
      shortName->setHtml(df.toHtml());

      nl = instrument.longNames();
      df = nl.isEmpty() ? QTextDocumentFragment() : nl[0].name;
      longName->setHtml(df.toHtml());

      if (partName->text() == instrumentName->text())    // Updates part name is no custom name has been set before
            partName->setText(instrument.trackName());

      instrumentName->setText(instrument.trackName());

      _minPitchA = instrument.minPitchA();
      _maxPitchA = instrument.maxPitchA();
      _minPitchP = instrument.minPitchP();
      _maxPitchP = instrument.maxPitchP();
      minPitchA->setText(midiCodeToStr(_minPitchA));
      maxPitchA->setText(midiCodeToStr(_maxPitchA));
      minPitchP->setText(midiCodeToStr(_minPitchP));
      maxPitchP->setText(midiCodeToStr(_maxPitchP));

      int numStr = instrument.stringData() ? instrument.stringData()->strings() : 0;
      numOfStrings->setText(QString::number(numStr));
      }

/*! Copy text without images, but textual representations of the smileys. */
void InputTextWidget::copyPlainText()
{
    QTextDocumentFragment selection = textCursor().selection();
    if (!selection.isEmpty()) {
        QClipboard *clipboard = QApplication::clipboard();
        clipboard->setText(Smileypack::desmilify(selection.toHtml()));
    }
}

/*! Cut text without images, but textual representations of the smileys. */
void InputTextWidget::cutPlainText()
{
    QTextDocumentFragment selection = textCursor().selection();
    if(!selection.isEmpty()) {
        QClipboard *clipboard = QApplication::clipboard();
        clipboard->setText(EmoticonMenu::desmile(selection.toHtml()));
        textCursor().removeSelectedText();
    }
}

QTextDocumentFragment EditWidget::prepareTextFragment(const QTextDocumentFragment &AFragment)
{
	QTextDocumentFragment fragment;
	if (!AFragment.isEmpty())
	{
		QMimeData data;
		data.setHtml(AFragment.toHtml());

		QTextDocument doc;
		QMap<int,IMessageEditContentsHandler *> handlers = FMessageWidgets->editContentsHandlers();
		for (QMap<int,IMessageEditContentsHandler *>::const_iterator it = handlers.constBegin(); it!=handlers.constEnd(); ++it)
			if (it.value()->messageEditContentsInsert(it.key(),this,&data,&doc))
				break;

		if (isRichTextEnabled())
			fragment = QTextDocumentFragment::fromHtml(doc.toHtml());
		else
			fragment = QTextDocumentFragment::fromPlainText(doc.toPlainText());
	}
	return fragment;
}

void Text::setText(const QTextDocumentFragment& f)
      {
      setHtml(f.toHtml());
      }

bool ChatTextEdit::eventFilter(QObject *obj, QEvent *event)
{
    if (event->type() == QEvent::KeyPress)
    {
        QKeyEvent *keyEvent = (QKeyEvent *) event;

        if (keyEvent->key() == Qt::Key_Up)
        {
            // Key up
            QTextCursor cursor = textCursor();
            int pos = cursor.position();
            bool sel = keyEvent->modifiers() == Qt::ShiftModifier;
            cursor.movePosition(QTextCursor::Up, (sel ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor));

            if (pos == cursor.position())
                cursor.movePosition(QTextCursor::Start, (sel ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor));

            setTextCursor(cursor);

            return true;
        }
        else  if (keyEvent->key() == Qt::Key_Down)
        {
            // Key down
            QTextCursor cursor = textCursor();
            int pos = cursor.position();
            bool sel = keyEvent->modifiers() == Qt::ShiftModifier;
            cursor.movePosition(QTextCursor::Down, (sel ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor));

            if (pos == cursor.position())
                cursor.movePosition(QTextCursor::End, (sel ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor));

            setTextCursor(cursor);
            return true;
        }
        else if (keyEvent->nativeScanCode() == 36)
        {
            // Return pressed
            if (Client::enterIsSend && !(keyEvent->modifiers() & Qt::ShiftModifier))
            {
                isComposing = false;
                emit returnPressed();
                return true;
            }
        }
        else if (keyEvent->nativeScanCode() == 54 &&
                 keyEvent->modifiers() == Qt::ControlModifier)
        {
            // Copy
            QTextCursor cursor = textCursor();
            if (cursor.hasSelection())
            {
                QTextDocumentFragment selection = cursor.selection();
                QClipboard *clipboard = QApplication::clipboard();
                clipboard->setText(Utilities::htmlToWAText(selection.toHtml()));

                QMaemo5InformationBox::information(this,"Copied");
                return true;
            }
        }
        else if (keyEvent->nativeScanCode() == 55 &&
                 keyEvent->modifiers() == Qt::ControlModifier)
        {
            // Paste event
            QTextCursor cursor = textCursor();
            QClipboard *clipboard = QApplication::clipboard();

            cursor.insertHtml(Utilities::WATextToHtml(clipboard->text(),32,false));

            return true;
        }
        else if (!isComposing)
        {
            isComposing = true;
            emit composing();
        }
        else
        {
            lastKeyPressed = QDateTime::currentMSecsSinceEpoch();
            composingTimer.start(2000);
        }
    }
    else if (event->type() == QEvent::InputMethod)
    {
        QInputMethodEvent *inputEvent = (QInputMethodEvent *) event;

        //Utilities::logData("Commit String: '" + inputEvent->commitString() + "'");
        if (inputEvent->commitString() == "\n" && Client::enterIsSend)
        {
            // Let's hide the keyboard if it was shown
            QTimer::singleShot(0,this,SLOT(closeKB()));
            isComposing = false;
            emit returnPressed();
            return true;
        }
    }

    return QTextEdit::eventFilter(obj,event);
}