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#include <QtGui>

QString tr(const char *text)

{

    return QApplication::translate(text, text);

}

int main(int argc, char *argv[])

{

    QApplication app(argc, argv);

//! [0]

    QTextEdit *editor = new QTextEdit();

    QTextCursor cursor(editor->textCursor());

//! [0]

    cursor.movePosition(QTextCursor::Start); 

    QTextBlockFormat blockFormat = cursor.blockFormat();

    blockFormat.setTopMargin(4);

    blockFormat.setLeftMargin(4);

    blockFormat.setRightMargin(4);

    blockFormat.setBottomMargin(4);

    cursor.setBlockFormat(blockFormat);

    cursor.insertText(tr("This contains plain text inside a "

                         "text block with margins to keep it separate "

                         "from other parts of the document."));

    cursor.insertBlock();

//! [1]

    QTextBlockFormat backgroundFormat = blockFormat;

    backgroundFormat.setBackground(QColor("lightGray"));

    cursor.setBlockFormat(backgroundFormat);

//! [1]

    cursor.insertText(tr("The background color of a text block can be "

                         "changed to highlight text."));

    cursor.insertBlock();

    QTextBlockFormat rightAlignedFormat = blockFormat;

    rightAlignedFormat.setAlignment(Qt::AlignRight);

    cursor.setBlockFormat(rightAlignedFormat);

    cursor.insertText(tr("The alignment of the text within a block is "

                         "controlled by the alignment properties of "

                         "the block itself. This text block is "

                         "right-aligned."));

    cursor.insertBlock();

    QTextBlockFormat paragraphFormat = blockFormat;

    paragraphFormat.setAlignment(Qt::AlignJustify);

    paragraphFormat.setTextIndent(32);

    cursor.setBlockFormat(paragraphFormat);

    cursor.insertText(tr("Text can be formatted so that the first "

                         "line in a paragraph has its own margin. "

                         "This makes the text more readable."));

    cursor.insertBlock();

    QTextBlockFormat reverseFormat = blockFormat;

    reverseFormat.setAlignment(Qt::AlignJustify);

    reverseFormat.setTextIndent(32);

    cursor.setBlockFormat(reverseFormat);

    cursor.insertText(tr("The direction of the text can be reversed. "

                         "This is useful for right-to-left "

                         "languages."));

    editor->setWindowTitle(tr("Text Block Formats"));

    editor->resize(480, 480);

    editor->show();

    return app.exec();

}