C++ (Cpp) tempCursor示例

示例#1

文件： iarsrmgr.cpp 项目： OS2World/DEV-SAMPLES-VisualAgeCPP4_Samples

/*******************************************************************
 * Destructor
 *******************************************************************/
IArrestClientMgr :: ~IArrestClientMgr()
{
  ISequence<IArrest *> tempList;
  IArrest *            arrest;

// if (dResultWrapper)
//    delete dResultWrapper;
  if (dResultListWrapper)
  {
     IVSequence<IArrest*>::Cursor cursor(*dResultListWrapper);
     forCursor( cursor )
       tempList.addAsFirst( dResultListWrapper->elementAt( cursor ) );

     dResultListWrapper->removeAll( );

     ISequence<IArrest*>::Cursor tempCursor( tempList );
     forCursor( cursor )
     {
       arrest = tempList.elementAt ( tempCursor );
       delete arrest;
     }
     tempList.removeAll( );

     delete dResultListWrapper;
  }
}

示例#2

文件： liteeditorwidget.cpp 项目： priest671/liteide

QString LiteEditorWidget::cursorToHtml(QTextCursor cursor) const
{
    QTextDocument *tempDocument = new QTextDocument;
    QTextCursor tempCursor(tempDocument);
    tempCursor.insertFragment(cursor.selection());

    // Apply the additional formats set by the syntax highlighter
    QTextBlock start = document()->findBlock(cursor.selectionStart());
    QTextBlock end = document()->findBlock(cursor.selectionEnd());
    end = end.next();

    const int selectionStart = cursor.selectionStart();
    const int endOfDocument = tempDocument->characterCount() - 1;
    for (QTextBlock current = start; current.isValid() && current != end; current = current.next()) {
        const QTextLayout *layout = current.layout();
        foreach (const QTextLayout::FormatRange &range, layout->additionalFormats()) {
            const int start = current.position() + range.start - selectionStart;
            const int end = start + range.length;
            if (end <= 0 || start >= endOfDocument)
                continue;
            tempCursor.setPosition(qMax(start, 0));
            tempCursor.setPosition(qMin(end, endOfDocument), QTextCursor::KeepAnchor);
            tempCursor.setCharFormat(range.format);
        }
    }

    // Reset the user states since they are not interesting
    for (QTextBlock block = tempDocument->begin(); block.isValid(); block = block.next())
        block.setUserState(-1);

    // Make sure the text appears pre-formatted
    tempCursor.setPosition(0);
    tempCursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
    QTextBlockFormat blockFormat = tempCursor.blockFormat();
    blockFormat.setNonBreakableLines(true);
    tempCursor.setBlockFormat(blockFormat);
    QString html = tempCursor.selection().toHtml();//("utf-8");
    html.replace("\t","&nbsp&nbsp&nbsp&nbsp");
    delete tempDocument;
    return html;
}