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@@ -1,13 +1,122 @@
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#include "fb2code.hpp"
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+
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+#include <QXmlSchema>
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+#include <QAbstractMessageHandler>
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+#include <QXmlSchemaValidator>
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+
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#include "fb2dlgs.hpp"
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//---------------------------------------------------------------------------
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// FbHighlighter
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//---------------------------------------------------------------------------
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+class FbSchemaHandler : public QAbstractMessageHandler
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+{
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+ public:
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+ FbSchemaHandler()
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+ : QAbstractMessageHandler(0)
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+ {
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+ }
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+
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+ QString statusMessage() const
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+ {
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+ return m_description;
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+ }
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+
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+ int line() const
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+ {
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+ return m_sourceLocation.line();
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+ }
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+
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+ int column() const
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+ {
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+ return m_sourceLocation.column();
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+ }
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+
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+ protected:
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+ virtual void handleMessage(QtMsgType type, const QString &description,
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+ const QUrl &identifier, const QSourceLocation &sourceLocation)
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+ {
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+ Q_UNUSED(type);
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+ Q_UNUSED(identifier);
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+
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+ m_messageType = type;
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+ m_description = description;
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+ m_sourceLocation = sourceLocation;
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+ }
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+
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+ private:
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+ QtMsgType m_messageType;
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+ QString m_description;
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+ QSourceLocation m_sourceLocation;
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+};
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+
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+//---------------------------------------------------------------------------
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+// FbHighlighter
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+//---------------------------------------------------------------------------
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+
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#include <QXmlInputSource>
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#include <QtGui>
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+#include <QSyntaxHighlighter>
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+
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+class FbHighlighter : public QSyntaxHighlighter
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+{
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+public:
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+ FbHighlighter(QObject* parent);
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+ FbHighlighter(QTextDocument* parent);
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+ FbHighlighter(QTextEdit* parent);
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+ ~FbHighlighter();
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+
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+ enum HighlightType
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+ {
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+ SyntaxChar,
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+ ElementName,
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+ Comment,
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+ AttributeName,
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+ AttributeValue,
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+ Error,
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+ Other
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+ };
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+
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+ void setHighlightColor(HighlightType type, QColor color, bool foreground = true);
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+ void setHighlightFormat(HighlightType type, QTextCharFormat format);
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+
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+protected:
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+ void highlightBlock(const QString& rstrText);
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+ int processDefaultText(int i, const QString& rstrText);
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+
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+private:
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+ void init();
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+
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+ QTextCharFormat fmtSyntaxChar;
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+ QTextCharFormat fmtElementName;
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+ QTextCharFormat fmtComment;
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+ QTextCharFormat fmtAttributeName;
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+ QTextCharFormat fmtAttributeValue;
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+ QTextCharFormat fmtError;
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+ QTextCharFormat fmtOther;
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+
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+ enum ParsingState
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+ {
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+ NoState = 0,
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+ ExpectElementNameOrSlash,
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+ ExpectElementName,
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+ ExpectAttributeOrEndOfElement,
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+ ExpectEqual,
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+ ExpectAttributeValue
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+ };
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+
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+ enum BlockState
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+ {
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+ NoBlock = -1,
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+ InComment,
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+ InElement
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+ };
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+
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+ ParsingState state;
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+};
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+
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static const QColor DEFAULT_SYNTAX_CHAR = Qt::blue;
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static const QColor DEFAULT_ELEMENT_NAME = Qt::darkRed;
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static const QColor DEFAULT_COMMENT = Qt::darkGray;
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@@ -345,7 +454,7 @@ qreal FbCodeEdit::zoomRatioMax = 5.0;
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FbCodeEdit::FbCodeEdit(QWidget *parent) : QPlainTextEdit(parent)
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{
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lineNumberArea = new LineNumberArea(this);
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- highlighter = new FbHighlighter(this);
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+ FbHighlighter *highlighter = new FbHighlighter(this);
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highlighter->setDocument( document() );
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connect(this, SIGNAL(blockCountChanged(int)), this, SLOT(updateLineNumberAreaWidth(int)));
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@@ -379,6 +488,7 @@ void FbCodeEdit::connectActions(QToolBar *tool)
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act(Fb::EditUndo)->setEnabled(document()->isUndoAvailable());
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act(Fb::EditRedo)->setEnabled(document()->isRedoAvailable());
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act(Fb::EditFind)->setEnabled(true);
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+ act(Fb::CheckText)->setEnabled(true);
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act(Fb::ZoomIn)->setEnabled(true);
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act(Fb::ZoomOut)->setEnabled(true);
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@@ -394,6 +504,7 @@ void FbCodeEdit::connectActions(QToolBar *tool)
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connect(act(Fb::EditCopy), SIGNAL(triggered()), SLOT(copy()));
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connect(act(Fb::EditPaste), SIGNAL(triggered()), SLOT(paste()));
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connect(act(Fb::EditFind), SIGNAL(triggered()), SLOT(find()));
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+ connect(act(Fb::CheckText), SIGNAL(triggered()), SLOT(validate()));
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connect(this, SIGNAL(copyAvailable(bool)), act(Fb::EditCut), SLOT(setEnabled(bool)));
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connect(this, SIGNAL(copyAvailable(bool)), act(Fb::EditCopy), SLOT(setEnabled(bool)));
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@@ -565,3 +676,59 @@ void FbCodeEdit::setZoomRatio(qreal ratio)
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setFont(f);
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}
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}
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+
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+void FbCodeEdit::validate()
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+{
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+ FbSchemaHandler handler;
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+
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+ QXmlSchema schema;
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+ schema.setMessageHandler(&handler);
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+
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+ QUrl url("qrc:/fb2/FictionBook2.1.xsd");
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+ schema.load(url);
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+
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+// QFile file(":/fb2/FictionBook2.1.xsd");
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+// if (!file.open(QFile::ReadOnly)) return;
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+// schema.load(&file);
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+ if (!schema.isValid()) {
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+ QFile file(":/fb2/FictionBook2.1.xsd");
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+ file.open(QFile::ReadOnly);
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+ QTextStream in(&file);
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+ in.setCodec("UTF-8");
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+ in.setAutoDetectUnicode(true);
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+ setPlainText(in.readAll());
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+ status(tr("Schema is not valid: ") + handler.statusMessage());
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+ setCursor(handler.line(), handler.column());
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+ return;
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+ }
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+
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+ const QByteArray data = toPlainText().toUtf8();
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+ QXmlSchemaValidator validator(schema);
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+ if (!validator.validate(data)) {
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+ setCursor(handler.line(), handler.column());
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+ status(handler.statusMessage());
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+ }
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+}
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+
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+void FbCodeEdit::setCursor(int line, int column)
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+{
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+ moveCursor(QTextCursor::Start);
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+ for (int i = 1; i < line; ++i)
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+ moveCursor(QTextCursor::Down);
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+
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+ for (int i = 1; i < column; ++i)
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+ moveCursor(QTextCursor::Right);
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+
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+ QList<QTextEdit::ExtraSelection> extraSelections;
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+ QTextEdit::ExtraSelection selection;
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+
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+ const QColor lineColor = QColor(Qt::red).lighter(160);
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+ selection.format.setBackground(lineColor);
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+ selection.format.setProperty(QTextFormat::FullWidthSelection, true);
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+ selection.cursor = textCursor();
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+ selection.cursor.clearSelection();
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+ extraSelections.append(selection);
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+
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+ setExtraSelections(extraSelections);
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+ setFocus();
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+}
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Kandrashin Denis
