C++ QTextEdit::toHtml方法代码示例

void EditStyle::editTextClicked(int id)
      {
      QTextEdit* e = 0;
      switch (id) {
            case  0:  e = evenHeaderL; break;
            case  1:  e = evenHeaderC; break;
            case  2:  e = evenHeaderR; break;
            case  3:  e = oddHeaderL;  break;
            case  4:  e = oddHeaderC;  break;
            case  5:  e = oddHeaderR;  break;

            case  6:  e = evenFooterL; break;
            case  7:  e = evenFooterC; break;
            case  8:  e = evenFooterR; break;
            case  9:  e = oddFooterL;  break;
            case 10:  e = oddFooterC;  break;
            case 11:  e = oddFooterR;  break;
            }
      if (e == 0)
            return;
      bool styled = id < 6 ? headerStyled->isChecked() : footerStyled->isChecked();

      if (styled)
            e->setPlainText(editPlainText(e->toPlainText(), tr("Edit Plain Text")));
      else
            e->setHtml(editHtml(e->toHtml(), tr("Edit HTML Text")));
      }

void wid_stranke::on_btn_kopiraj_clicked() {

	QClipboard *odlozisce = QApplication::clipboard();

	QModelIndexList selectedList = ui->tbl_stranke->selectionModel()->selectedRows();

	QString html_besedilo = "<table>";
	html_besedilo += "<tr>";
	html_besedilo += "<th>ID</th>";
	html_besedilo += "<th>Ime/Naziv</th>";
	html_besedilo += "<th>Priimek/Polni naziv</th>";
	html_besedilo += "<th>Telefon</th>";
	html_besedilo += "<th>GSM</th>";
	html_besedilo += "<th>Elektronski naslov</th>";
	html_besedilo += "<th>Izobrazevalna ustanova</th>";
	html_besedilo += "<th>Tip stranke</th>";
	html_besedilo += "</tr>";

	for( int i = 0; i < selectedList.count(); i++) {
		html_besedilo += "<tr>";
		for ( int a = 0; a < 8; a++ ) {
			html_besedilo += "<td>";
			html_besedilo += ui->tbl_stranke->item(selectedList.at(i).row(), a)->text();
			html_besedilo += "</td>";

		}
		html_besedilo += "</tr>";
	}

	html_besedilo += "</table>";

	QTextEdit *textedit = new QTextEdit;

	textedit->setHtml(html_besedilo);
	html_besedilo = textedit->toHtml();

	odlozisce->clear();

	QMimeData *mimeData = new QMimeData();
	mimeData->setData("text/html", html_besedilo.toUtf8());
	odlozisce->setMimeData(mimeData, QClipboard::Clipboard);

}

void PopupChatDialog::sendChat()
{
	QTextEdit *chatWidget = ui.chattextEdit;

        ChatInfo ci;
        

	

	{
          rsiface->lockData(); /* Lock Interface */
          const RsConfig &conf = rsiface->getConfig();

	  ci.rsid = conf.ownId;
	  ci.name = conf.ownName;

          rsiface->unlockData(); /* Unlock Interface */
	}

        ci.msg = chatWidget->toHtml().toStdWString();
        ci.chatflags = RS_CHAT_PRIVATE;

#ifdef CHAT_DEBUG 
std::cout << "PopupChatDialog:sendChat " << styleHtm.toStdString() << std::endl;
#endif

	addChatMsg(&ci);

        /* put proper destination */
	ci.rsid = dialogId;
	ci.name = dialogName;

        rsMsgs -> ChatSend(ci);
        chatWidget ->clear();
	setFont();

        /* redraw send list */
}

void EditStyle::editTextClicked(int id)
      {
      QTextEdit* e = 0;
      switch (id) {
            case  0:  e = evenHeaderL; break;
            case  1:  e = evenHeaderC; break;
            case  2:  e = evenHeaderR; break;
            case  3:  e = oddHeaderL;  break;
            case  4:  e = oddHeaderC;  break;
            case  5:  e = oddHeaderR;  break;

            case  6:  e = evenFooterL; break;
            case  7:  e = evenFooterC; break;
            case  8:  e = evenFooterR; break;
            case  9:  e = oddFooterL;  break;
            case 10:  e = oddFooterC;  break;
            case 11:  e = oddFooterR;  break;
            }
      if (e == 0)
            return;

      e->setHtml(editHtml(e->toHtml(), tr("Edit HTML Text")));
      }

void PeersDialog::sendMsg()
{
    QTextEdit *lineWidget = ui.lineEdit;

	ChatInfo ci;
	//ci.msg = lineWidget->Text().toStdWString();
	ci.msg = lineWidget->toHtml().toStdWString();
	ci.chatflags = RS_CHAT_PUBLIC;

    //historyKeeper.addMessage("THIS", "ALL", lineWidget->toHtml() );
    
	std::string msg(ci.msg.begin(), ci.msg.end());
#ifdef PEERS_DEBUG 
	std::cerr << "PeersDialog::sendMsg(): " << msg << std::endl;
#endif

	rsMsgs -> ChatSend(ci);
	ui.lineEdit->clear();
	setFont();

	/* redraw send list */
	insertSendList();

}

void TextZone::insertFromMimeData (const QMimeData *source )
{

    QTextCursor cursor = this->textCursor();

    int bottMargin;
    int textIndent;
    int leftMargin;
    Qt::Alignment textAlignment;
    int textHeight;
    QString fontFamily;

    if(cursor.atStart() == true
            || cursor.position() == 1
            || cursor.position() == 0){
        int defaultIndex = textStyles->defaultStyleIndex();
        bottMargin = textStyles->blockBottomMarginAt(defaultIndex);
        textIndent = textStyles->blockFirstLineIndentAt(defaultIndex);
        leftMargin = textStyles->blockLeftMarginAt(defaultIndex);
        textAlignment = textStyles->blockAlignmentTrueNameAt(defaultIndex);
        textHeight = textStyles->fontSizeAt(defaultIndex);
        fontFamily = textStyles->fontFamilyAt(defaultIndex);
    }
    else{

        bottMargin = cursor.blockFormat().bottomMargin();
        textIndent = cursor.blockFormat().textIndent();
        leftMargin = cursor.blockFormat().leftMargin();
        textAlignment = cursor.blockFormat().alignment();
        textHeight = cursor.charFormat().fontPointSize();
        fontFamily = cursor.charFormat().fontFamily();

    }

    if(source->hasHtml() && !forceCopyWithoutFormatting){

        QByteArray richtext;
        if (source->hasFormat(QLatin1String("text/rtf"))) {
            richtext = source->data(QLatin1String("text/rtf"));
        } else if (source->hasHtml()) {
            richtext = mimeToRtf(source);
        }

        QTextEdit *textEdit = new QTextEdit(0);

        RTF::Reader reader;
        QBuffer buffer(&richtext);
        buffer.open(QIODevice::ReadOnly);
        reader.read(&buffer, textEdit->textCursor());
        buffer.close();

        QString sourceString = textEdit->toHtml();
        sourceString.remove(QChar::ReplacementCharacter);
        sourceString.remove(QChar::ObjectReplacementCharacter);
        sourceString.remove(QChar::Null);



        //htmlText
        QTextDocument *document = new QTextDocument;
        document->setHtml(Utils::parseHtmlText(sourceString));
        QTextBlockFormat blockFormat;
        blockFormat.setBottomMargin(bottMargin);
        blockFormat.setTextIndent(textIndent);
        blockFormat.setLeftMargin(leftMargin);
        blockFormat.setAlignment(textAlignment);
        blockFormat.setRightMargin(0);
        QTextCharFormat charFormat;
        charFormat.setFontPointSize(textHeight);
        charFormat.setFontFamily(fontFamily);

        charFormat.setBackground(QBrush(Qt::NoBrush));
        charFormat.setForeground(QBrush(Qt::NoBrush));
        charFormat.setAnchor(false);
        charFormat.setUnderlineStyle(QTextCharFormat::NoUnderline);
        charFormat.setFontStrikeOut(false);

        QTextCursor *tCursor = new QTextCursor(document);
        tCursor->movePosition(QTextCursor::Start, QTextCursor::MoveAnchor,1);
        tCursor->movePosition(QTextCursor::End, QTextCursor::KeepAnchor,1);

        tCursor->mergeCharFormat(charFormat);
        tCursor->mergeBlockFormat(blockFormat);

        QTextCursor cursor = this->textCursor();
        cursor.insertHtml(document->toHtml("utf-8"));
        qDebug() << "insertFromMimeData Html";

    }
    else if(source->hasText() || forceCopyWithoutFormatting){
        QTextDocument *document = new QTextDocument;
        document->setPlainText(qvariant_cast<QString>(source->text()));

        QTextBlockFormat blockFormat;
        blockFormat.setBottomMargin(bottMargin);
        blockFormat.setTextIndent(textIndent);
        blockFormat.setLeftMargin(leftMargin);
        blockFormat.setAlignment(textAlignment);
        blockFormat.setRightMargin(0);
        QTextCharFormat charFormat;
//.........这里部分代码省略.........

int TextEdit::toHtml(lua_State * L) // const : QString
{
	QTextEdit* obj = ObjectHelper<QTextEdit>::check( L, 1);
	lua_pushstring(L, obj->toHtml().toLatin1() );
	return 1;
}

bool QgsAttributeEditor::retrieveValue( QWidget *widget, QgsVectorLayer *vl, int idx, QVariant &value )
{
  if ( !widget )
    return false;

  const QgsField &theField = vl->pendingFields()[idx];
  QgsVectorLayer::EditType editType = vl->editType( idx );
  bool modified = false;
  QString text;

  QSettings settings;
  QString nullValue = settings.value( "qgis/nullValue", "NULL" ).toString();

  QLineEdit *le = qobject_cast<QLineEdit *>( widget );
  if ( le )
  {
    text = le->text();
    modified = le->isModified();
    if ( text == nullValue )
    {
      text = QString::null;
    }
  }

  QTextEdit *te = qobject_cast<QTextEdit *>( widget );
  if ( te )
  {
    text = te->toHtml();
    modified = te->document()->isModified();
    if ( text == nullValue )
    {
      text = QString::null;
    }
  }

  QPlainTextEdit *pte = qobject_cast<QPlainTextEdit *>( widget );
  if ( pte )
  {
    text = pte->toPlainText();
    modified = pte->document()->isModified();
    if ( text == nullValue )
    {
      text = QString::null;
    }
  }

  QComboBox *cb = qobject_cast<QComboBox *>( widget );
  if ( cb )
  {
    if ( editType == QgsVectorLayer::UniqueValues ||
         editType == QgsVectorLayer::ValueMap ||
         editType == QgsVectorLayer::Classification ||
         editType == QgsVectorLayer::ValueRelation )
    {
      text = cb->itemData( cb->currentIndex() ).toString();
      if ( text == nullValue )
      {
        text = QString::null;
      }
    }
    else
    {
      text = cb->currentText();
    }
    modified = true;
  }

  QListWidget *lw = qobject_cast<QListWidget *>( widget );
  if ( lw )
  {
    if ( editType == QgsVectorLayer::ValueRelation )
    {
      text = '{';
      for ( int i = 0, n = 0; i < lw->count(); i++ )
      {
        if ( lw->item( i )->checkState() == Qt::Checked )
        {
          if ( n > 0 )
          {
            text.append( ',' );
          }
          text.append( lw->item( i )->data( Qt::UserRole ).toString() );
          n++;
        }
      }
      text.append( '}' );
    }
    else
    {
      text = QString::null;
    }
    modified = true;
  }

  QSpinBox *sb = qobject_cast<QSpinBox *>( widget );
  if ( sb )
  {
    text = QString::number( sb->value() );
  }

//.........这里部分代码省略.........

void PeersDialog::insertChat()
{
	if (!rsMsgs->chatAvailable())
	{
//		std::cerr << "no chat available." << std::endl ;
		return;
	}

	std::list<ChatInfo> newchat;
	if (!rsMsgs->getNewChat(newchat))
	{
		std::cerr << "could not get new chat." << std::endl ;
		return;
	}

		std::cerr << "got new chat." << std::endl ;
    QTextEdit *msgWidget = ui.msgText;
	std::list<ChatInfo>::iterator it;

        /** A RshareSettings object used for saving/loading settings */
        RshareSettings settings;
        uint chatflags = settings.getChatFlags();

	/* add in lines at the bottom */
	for(it = newchat.begin(); it != newchat.end(); it++)
	{
		std::string msg(it->msg.begin(), it->msg.end());
#ifdef PEERS_DEBUG 
		std::cerr << "PeersDialog::insertChat(): " << msg << std::endl;
#endif

		/* are they private? */
		if (it->chatflags & RS_CHAT_PRIVATE)
		{
			PopupChatDialog *pcd = getPrivateChat(it->rsid, it->name, chatflags);
			pcd->addChatMsg(&(*it));
			continue;
		}

		std::ostringstream out;
		QString currenttxt = msgWidget->toHtml();
		QString extraTxt;

        QString timestamp = QDateTime::currentDateTime().toString("hh:mm:ss");
        QString name = QString::fromStdString(it->name);
        QString line = "<span style=\"color:#C00000\">" + timestamp + "</span>" +			
            		"<span style=\"color:#2D84C9\"><strong>" + " " + name + "</strong></span>";

        //std::cerr << "PeersDialog::insertChat(): 1.11\n";
        historyKeeper.addMessage(name, "THIS", QString::fromStdWString(it->msg));
        //std::cerr << "PeersDialog::insertChat(): 1.12\n";
        extraTxt += line;

        extraTxt += QString::fromStdWString(it->msg);
        
        /* add it everytime */
		currenttxt += extraTxt;
		
		QHashIterator<QString, QString> i(smileys);
		while(i.hasNext())
		{
			i.next();
			foreach(QString code, i.key().split("|"))
				currenttxt.replace(code, "<img src=\"" + i.value() + "\" />");
		}

		
        msgWidget->setHtml(currenttxt);

        

		QScrollBar *qsb =  msgWidget->verticalScrollBar();
		qsb -> setValue(qsb->maximum());
	}
}