Add override specifiers to improve code maintainability

src/AppleSpellChecker.h

@@ -24,19 +24,19 @@ public:
 
 	/// \name SpellChecker inherited methods
 	//@{
-	enum Result check(WordLangTuple const &);
-	void suggest(WordLangTuple const &, docstring_list &);
-	void stem(WordLangTuple const &, docstring_list &) {}
-	void insert(WordLangTuple const &);
-	void remove(WordLangTuple const &);
-	void accept(WordLangTuple const &);
-	bool hasDictionary(Language const * lang) const;
-	int numDictionaries() const;
-	bool canCheckParagraph() const { return true; }
-	int numMisspelledWords() const;
-	void misspelledWord(int index, int & start, int & length) const;
-	docstring const error();
-	void advanceChangeNumber();
+	enum Result check(WordLangTuple const &) override;
+	void suggest(WordLangTuple const &, docstring_list &) override;
+	void stem(WordLangTuple const &, docstring_list &) override {}
+	void insert(WordLangTuple const &) override;
+	void remove(WordLangTuple const &) override;
+	void accept(WordLangTuple const &) override;
+	bool hasDictionary(Language const * lang) const override;
+	int numDictionaries() const override;
+	bool canCheckParagraph() const override { return true; }
+	int numMisspelledWords() const override;
+	void misspelledWord(int index, int & start, int & length) const override;
+	docstring const error() override;
+	void advanceChangeNumber() override;
 	//@}
 
 private:

src/AspellChecker.h

@@ -25,16 +25,16 @@ public:
 
 	/// \name SpellChecker inherited methods
 	//@{
-	enum Result check(WordLangTuple const &);
-	void suggest(WordLangTuple const &, docstring_list &);
-	void stem(WordLangTuple const &, docstring_list &) {}
-	void insert(WordLangTuple const &);
-	void remove(WordLangTuple const &);
-	void accept(WordLangTuple const &);
-	bool hasDictionary(Language const * lang) const;
-	int numDictionaries() const;
-	docstring const error();
-	void advanceChangeNumber();
+	enum Result check(WordLangTuple const &) override;
+	void suggest(WordLangTuple const &, docstring_list &) override;
+	void stem(WordLangTuple const &, docstring_list &) override {}
+	void insert(WordLangTuple const &) override;
+	void remove(WordLangTuple const &) override;
+	void accept(WordLangTuple const &) override;
+	bool hasDictionary(Language const * lang) const override;
+	int numDictionaries() const override;
+	docstring const error() override;
+	void advanceChangeNumber() override;
 	//@}
 
 private:

src/EnchantChecker.h

@@ -31,16 +31,16 @@ public:
 
 	/// SpellChecker inherited methods.
 	///@{
-	enum Result check(WordLangTuple const &);
-	void suggest(WordLangTuple const &, docstring_list &);
-	void stem(WordLangTuple const &, docstring_list &) {}
-	void insert(WordLangTuple const &);
-	void remove(WordLangTuple const &);
-	void accept(WordLangTuple const &);
-	bool hasDictionary(Language const * lang) const;
-	int numDictionaries() const;
-	docstring const error();
-	void advanceChangeNumber();
+	enum Result check(WordLangTuple const &) override;
+	void suggest(WordLangTuple const &, docstring_list &) override;
+	void stem(WordLangTuple const &, docstring_list &) override {}
+	void insert(WordLangTuple const &) override;
+	void remove(WordLangTuple const &) override;
+	void accept(WordLangTuple const &) override;
+	bool hasDictionary(Language const * lang) const override;
+	int numDictionaries() const override;
+	docstring const error() override;
+	void advanceChangeNumber() override;
 	///@}
 
 private:

src/HunspellChecker.h

@@ -25,16 +25,16 @@ public:
 
 	/// \name SpellChecker inherited methods.
 	///@{
-	enum Result check(WordLangTuple const &);
-	void suggest(WordLangTuple const &, docstring_list &);
-	void stem(WordLangTuple const &, docstring_list &);
-	void insert(WordLangTuple const &);
-	void remove(WordLangTuple const &);
-	void accept(WordLangTuple const &);
-	bool hasDictionary(Language const * lang) const;
-	int numDictionaries() const;
-	docstring const error();
-	void advanceChangeNumber();
+	enum Result check(WordLangTuple const &) override;
+	void suggest(WordLangTuple const &, docstring_list &) override;
+	void stem(WordLangTuple const &, docstring_list &) override;
+	void insert(WordLangTuple const &) override;
+	void remove(WordLangTuple const &) override;
+	void accept(WordLangTuple const &) override;
+	bool hasDictionary(Language const * lang) const override;
+	int numDictionaries() const override;
+	docstring const error() override;
+	void advanceChangeNumber() override;
 	///@}
 
 private:

src/LyX.cpp

@@ -234,7 +234,7 @@ public:
 		  argc_(argc), argv_(argv)
 	{
 	}
-	void doExec()
+	void doExec() override
 	{
 		int const exit_status = lyx_->execWithoutGui(argc_, argv_);
 		exit(exit_status);

src/Mover.h

@@ -137,13 +137,11 @@ public:
 	std::string const & command() const { return command_; }
 
 private:
-	virtual bool
-	do_copy(support::FileName const & from, support::FileName const & to,
-		std::string const & latex) const;
+	bool do_copy(support::FileName const & from, support::FileName const & to,
+		std::string const & latex) const override;
 
-	virtual bool
-	do_rename(support::FileName const & from, support::FileName const & to,
-		  std::string const & latex) const;
+	bool do_rename(support::FileName const & from, support::FileName const & to,
+		  std::string const & latex) const override;
 
 	std::string command_;
 };

src/Session.h

@@ -64,10 +64,10 @@ public:
 	explicit LastFilesSection(unsigned int num = 4);
 
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	/// Return lastfiles container (vector)
 	LastFiles const lastFiles() const { return lastfiles; }
@@ -119,10 +119,10 @@ public:
 
 public:
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	/// Return lastopened container (vector)
 	LastOpened const getfiles() const { return lastopened; }
@@ -161,10 +161,10 @@ public:
 	LastFilePosSection() : num_lastfilepos(100) {}
 
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	/** add cursor position to the fname entry in the filepos list
 	    @param pos file name and position of the cursor when the BufferView is closed.
@@ -253,10 +253,10 @@ public:
 	void clear();
 
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	/** return bookmark list. Non-const container is used since
 		bookmarks will be cleaned after use.
@@ -283,10 +283,10 @@ public:
 	///
 	LastCommandsSection(unsigned int num);
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	/// Return lastcommands container (vector)
 	LastCommands const getcommands() const { return lastcommands; }
@@ -327,10 +327,10 @@ public:
 	explicit AuthFilesSection();
 
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	///
 	bool find(std::string const & name) const;
@@ -351,10 +351,10 @@ public:
 	explicit ShellEscapeSection() {};
 
 	///
-	void read(std::istream & is);
+	void read(std::istream & is) override;
 
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 
 	///
 	bool find(std::string const & name) const;

src/Text.cpp

@@ -641,14 +641,14 @@ public:
 	virtual ~TextCompletionList() {}
 
 	///
-	virtual bool sorted() const { return true; }
+	bool sorted() const override { return true; }
 	///
-	virtual size_t size() const
+	size_t size() const override
 	{
 		return list_.size();
 	}
 	///
-	virtual docstring const & data(size_t idx) const
+	docstring const & data(size_t idx) const override
 	{
 		return list_.word(idx);
 	}

src/TextClass.h

@@ -435,7 +435,7 @@ public:
 	/// \return true if there is a Layout with latexname lay
 	bool hasLaTeXLayout(std::string const & lay) const;
 	/// A DocumentClass nevers count as loaded, since it is dynamic
-	virtual bool loaded() const { return false; }
+	bool loaded() const override { return false; }
 	/// \return the layout object of an inset given by name. If the name
 	/// is not found as such, the part after the ':' is stripped off, and
 	/// searched again. In this way, an error fallback can be provided:

src/Trans.h

@@ -238,11 +238,11 @@ public:
 	///
 	TransInitState();
 	///
-	virtual docstring const normalkey(char_type);
+	docstring const normalkey(char_type) override;
 	///
-	virtual bool backspace() { return true; }
+	bool backspace() override { return true; }
 	///
-	virtual docstring const deadkey(char_type, KmodInfo);
+	docstring const deadkey(char_type, KmodInfo) override;
 };
 
 
@@ -252,14 +252,14 @@ public:
 	///
 	TransDeadkeyState();
 	///
-	virtual docstring const normalkey(char_type);
+	docstring const normalkey(char_type) override;
 	///
-	virtual bool backspace() {
+	bool backspace() override {
 		currentState = init_state_;
 		return false;
 	}
 	///
-	virtual docstring const deadkey(char_type, KmodInfo);
+	docstring const deadkey(char_type, KmodInfo) override;
 };
 
 
@@ -269,9 +269,9 @@ public:
 	///
 	TransCombinedState();
 	///
-	virtual docstring const normalkey(char_type);
+	docstring const normalkey(char_type) override;
 	///
-	virtual bool backspace() {
+	bool backspace() override {
 		// cancel the second deadkey
 		deadkey2_ = 0;
 		deadkey2_info_.accent = TEX_NOACCENT;
@@ -280,7 +280,7 @@ public:
 		return false;
 	}
 	///
-	virtual docstring const deadkey(char_type, KmodInfo);
+	docstring const deadkey(char_type, KmodInfo) override;
 };
 
 

src/frontends/NullPainter.h

@@ -31,52 +31,52 @@ public:
 
 	/// draw a line from point to point
 	void line(int, int, int, int, Color,
-		line_style = line_solid, int = thin_line) {}
+		line_style = line_solid, int = thin_line) override {}
 
 	///
 	void lines(int const *, int const *, int, Color,
 		fill_style = fill_none, line_style = line_solid,
-		int = thin_line) {}
+		int = thin_line) override {}
 
 	///
 	void path(int const *, int const *, int const *, int const *,
 		int const *, int const *, int, Color,
-		fill_style = fill_none, line_style = line_solid, int = thin_line) {}
+		fill_style = fill_none, line_style = line_solid, int = thin_line) override {}
 
 	/// draw a rectangle
 	void rectangle(int, int, int, int, Color,
-		line_style = line_solid, int = thin_line) {}
+		line_style = line_solid, int = thin_line) override {}
 
 	/// draw a filled rectangle
-	void fillRectangle(int, int, int, int, Color) {}
+	void fillRectangle(int, int, int, int, Color) override {}
 
 	/// draw an arc
-	void arc(int, int, unsigned int, unsigned int, int, int, Color) {}
+	void arc(int, int, unsigned int, unsigned int, int, int, Color) override {}
 
 	/// draw a pixel
-	void point(int, int, Color) {}
+	void point(int, int, Color) override {}
 
 	/// draw an image from the image cache
-	void image(int, int, int, int, graphics::Image const &) {}
+	void image(int, int, int, int, graphics::Image const &) override {}
 
 	/// draw a string
-	void text(int, int, docstring const &, FontInfo const &) {}
+	void text(int, int, docstring const &, FontInfo const &) override {}
 
 	/// draw a char
-	void text(int, int, char_type, FontInfo const &) {}
+	void text(int, int, char_type, FontInfo const &) override {}
 
 	/// draw a string
-	void text(int, int, docstring const &, Font const &, double, double) {}
+	void text(int, int, docstring const &, Font const &, double, double) override {}
 
 	///
 	void text(int, int, docstring const &, Font const &,
-	          Color, size_type, size_type, double, double) {}
+	          Color, size_type, size_type, double, double) override {}
 
 	/// This painter does not paint
-	bool isNull() const { return true; }
+	bool isNull() const override { return true; }
 
  	/// draw the underbar, strikeout, xout, uuline and uwave font attributes
-	void textDecoration(FontInfo const &, int, int, int) {}
+	void textDecoration(FontInfo const &, int, int, int) override {}
 
 	/**
 	 * Draw a string and enclose it inside a rectangle. If
@@ -85,22 +85,22 @@ public:
 	 * around the text with the given color.
 	 */
 	void rectText(int, int, docstring const &,
-	              FontInfo const &, Color, Color) {}
+	              FontInfo const &, Color, Color) override {}
 
 	/// draw a string and enclose it inside a button frame
 	void buttonText(int, int, docstring const &,
-	                FontInfo const &, Color, Color, int) {}
+	                FontInfo const &, Color, Color, int) override {}
 
 	/// draw a character of a preedit string for cjk support.
 	int preeditText(int, int, char_type, FontInfo const &,
-	                preedit_style) { return 0; }
+	                preedit_style) override { return 0; }
 
 	/// start monochrome painting mode, i.e. map every color a shade of \c blend.
-	void enterMonochromeMode(Color const &) {}
+	void enterMonochromeMode(Color const &) override {}
 	/// leave monochrome painting mode
-	void leaveMonochromeMode() {}
+	void leaveMonochromeMode() override {}
 	/// draws a wavy line that can be used for underlining.
-	void wavyHorizontalLine(int, int, int, ColorCode) {}
+	void wavyHorizontalLine(int, int, int, ColorCode) override {}
 };
 
 } // namespace frontend

src/frontends/qt/CategorizedCombo.cpp

@@ -49,13 +49,13 @@ public:
 	{}
 	///
 	void paint(QPainter * painter, QStyleOptionViewItem const & option,
-		QModelIndex const & index) const;
+		QModelIndex const & index) const override;
 	///
 	void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
-		const QRect & /*rect*/, const QString & text ) const;
+		const QRect & /*rect*/, const QString & text ) const override;
 	///
 	QSize sizeHint(QStyleOptionViewItem const & opt,
-		QModelIndex const & index) const;
+		QModelIndex const & index) const override;
 
 private:
 	///

src/frontends/qt/DialogView.h

@@ -32,16 +32,16 @@ public:
 	/// \param title is the window title used for decoration.
 	DialogView(GuiView & lv, QString const & name, QString const & title);
 
-	virtual QWidget * asQWidget() { return this; }
-	virtual QWidget const * asQWidget() const { return this; }
+	QWidget * asQWidget() override { return this; }
+	QWidget const * asQWidget() const override { return this; }
 
 protected:
 	/// \name Dialog inherited methods
 	//@{
-	void applyView() {}
-	bool initialiseParams(std::string const & /*data*/) { return true; }
-	void clearParams() {}
-	bool needBufferOpen() const { return isBufferDependent(); }
+	void applyView() override {}
+	bool initialiseParams(std::string const & /*data*/) override { return true; }
+	void clearParams() override {}
+	bool needBufferOpen() const override { return isBufferDependent(); }
 	//@}
 	/// Any dialog that overrides this method should make sure to call it.
 	void closeEvent(QCloseEvent * ev);
@@ -49,7 +49,7 @@ protected:
 	void hideEvent(QHideEvent * ev);
 
 protected Q_SLOTS:
-	void onBufferViewChanged() {};
+	void onBufferViewChanged() override {};
 };
 
 } // namespace frontend

src/frontends/qt/DockView.h

@@ -42,23 +42,23 @@ public:
 
 	virtual ~DockView() {}
 
-	virtual QWidget * asQWidget() { return this; }
-	virtual QWidget const * asQWidget() const { return this; }
+	QWidget * asQWidget() override { return this; }
+	QWidget const * asQWidget() const override { return this; }
 
 	/// We don't want to restore geometry session for dock widgets.
-	void restoreSession() {}
+	void restoreSession() override {}
 
 	void keyPressEvent(QKeyEvent * ev);
 
 	/// Dialog inherited methods
 	//@{
-	void applyView() {}
-	bool isClosing() const { return false; }
-	bool needBufferOpen() const { return false; }
+	void applyView() override {}
+	bool isClosing() const override { return false; }
+	bool needBufferOpen() const override { return false; }
 	//@}
 
 protected Q_SLOTS:
-	void onBufferViewChanged() {} //override
+	void onBufferViewChanged() override {}
 };
 
 } // namespace frontend

src/frontends/qt/FancyLineEdit.cpp

@@ -44,7 +44,7 @@ class FancyLineEditPrivate : public QObject {
 public:
     explicit FancyLineEditPrivate(FancyLineEdit *parent);
 
-    virtual bool eventFilter(QObject *obj, QEvent *event);
+    bool eventFilter(QObject *obj, QEvent *event) override;
 
     FancyLineEdit  *m_lineEdit;
     QPixmap m_pixmap[2];

src/frontends/qt/FindAndReplace.h

@@ -82,19 +82,19 @@ public:
 
 	~FindAndReplace();
 
-	bool initialiseParams(std::string const &);
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return false; }
-	bool canApplyToReadOnly() const { return true; }
+	bool initialiseParams(std::string const &) override;
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return false; }
+	bool canApplyToReadOnly() const override { return true; }
 	void selectAll();
 
 	/// update
-	void updateView();
+	void updateView() override;
 	//virtual void update_contents() {}
 
 protected:
-	virtual bool wantInitialFocus() const { return true; }
+	bool wantInitialFocus() const override { return true; }
 
 private:
 	/// The encapsulated widget.

src/frontends/qt/FloatPlacement.h

@@ -33,12 +33,12 @@ public:
 
 	/// \name DialogView inherited methods
 	//@{
-	InsetCode insetCode() const { return FLOAT_CODE; }
-	FuncCode creationCode() const { return LFUN_FLOAT_INSERT; }
-	QString dialogTitle() const { return qt_("Float Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return FLOAT_CODE; }
+	FuncCode creationCode() const override { return LFUN_FLOAT_INSERT; }
+	QString dialogTitle() const override { return qt_("Float Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 	///
 	void useWide();

src/frontends/qt/GuiAbout.h

@@ -34,9 +34,9 @@ private Q_SLOTS:
 private:
 	/// Controller stuff
 	///@{
-	void updateView() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return false; }
+	void updateView() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return false; }
 	///@}
 
 	struct Private;

src/frontends/qt/GuiApplication.cpp

@@ -638,12 +638,12 @@ public:
 		: QTranslator(parent)
 	{}
 
-	virtual QString translate(const char * /* context */,
+	QString translate(const char * /* context */,
 		const char *sourceText,
 #if QT_VERSION >= 0x050000
-		const char * /* disambiguation */ = 0, int /* n */ = -1) const
+		const char * /* disambiguation */ = 0, int /* n */ = -1) const override
 #else
-		const char * /*comment*/ = 0) const
+		const char * /*comment*/ = 0) const override
 #endif
 	{
 		// Here we declare the strings that need to be translated from Qt own GUI
@@ -761,13 +761,13 @@ public:
 	QWindowsMimeMetafile() {}
 
 	bool canConvertFromMime(FORMATETC const & /*formatetc*/,
-		QMimeData const * /*mimedata*/) const
+		QMimeData const * /*mimedata*/) const override
 	{
 		return false;
 	}
 
 	bool canConvertToMime(QString const & mimetype,
-		IDataObject * pDataObj) const
+		IDataObject * pDataObj) const override
 	{
 		if (mimetype != emfMimeType() && mimetype != wmfMimeType())
 			return false;
@@ -776,13 +776,13 @@ public:
 	}
 
 	bool convertFromMime(FORMATETC const & /*formatetc*/,
-		const QMimeData * /*mimedata*/, STGMEDIUM * /*pmedium*/) const
+		const QMimeData * /*mimedata*/, STGMEDIUM * /*pmedium*/) const override
 	{
 		return false;
 	}
 
 	QVariant convertToMime(QString const & mimetype, IDataObject * pDataObj,
-		QVariant::Type /*preferredType*/) const
+		QVariant::Type /*preferredType*/) const override
 	{
 		QByteArray data;
 		if (!canConvertToMime(mimetype, pDataObj))
@@ -813,7 +813,7 @@ public:
 
 
 	QVector<FORMATETC> formatsForMime(QString const & mimetype,
-		QMimeData const * /*mimedata*/) const
+		QMimeData const * /*mimedata*/) const override
 	{
 		QVector<FORMATETC> formats;
 		if (mimetype == emfMimeType() || mimetype == wmfMimeType())
@@ -821,7 +821,7 @@ public:
 		return formats;
 	}
 
-	QString mimeForFormat(FORMATETC const & formatetc) const
+	QString mimeForFormat(FORMATETC const & formatetc) const override
 	{
 		switch (formatetc.cfFormat) {
 		case CF_ENHMETAFILE:
@@ -861,7 +861,7 @@ public:
 	bool started() const {
 		return started_;
 	}
-	bool eventFilter(QObject *obj, QEvent *event) {
+	bool eventFilter(QObject *obj, QEvent *event) override {
 		LYXERR(Debug::ACTION, "Event Type: " << event->type());
 		switch (event->type()) {
 		case QEvent::Show:

src/frontends/qt/GuiBibitem.h

@@ -31,12 +31,12 @@ public:
 private:
 	/// \name DialogView inherited methods
 	//@{
-	InsetCode insetCode() const { return BIBITEM_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Bibliography Item Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return BIBITEM_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Bibliography Item Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 };
 

src/frontends/qt/GuiBibtex.h

@@ -49,9 +49,9 @@ private Q_SLOTS:
 
 private:
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// update
-	void updateContents();
+	void updateContents() override;
 
 	/// Browse for a .bib file
 	QString browseBib(QString const & in_name) const;
@@ -91,13 +91,13 @@ private:
 	void setFileEncodings(std::vector<docstring> const & m);
 
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	/// clean-up on hide.
-	void clearParams() { params_.clear(); }
+	void clearParams() override { params_.clear(); }
 	/// clean-up on hide.
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 private:
 	///

src/frontends/qt/GuiBox.h

@@ -39,12 +39,12 @@ private Q_SLOTS:
 private:
 	/// \name DialogView inherited methods
 	//@{
-	InsetCode insetCode() const { return BOX_CODE; }
-	FuncCode creationCode() const { return LFUN_BOX_INSERT; }
-	QString dialogTitle() const { return qt_("Box Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return BOX_CODE; }
+	FuncCode creationCode() const override { return LFUN_BOX_INSERT; }
+	QString dialogTitle() const override { return qt_("Box Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 
 	/// Fill the color combos

src/frontends/qt/GuiBranch.h

@@ -30,12 +30,12 @@ public:
 private:
 	/// \name DialogView inherited methods
 	//@{
-	InsetCode insetCode() const { return BRANCH_CODE; }
-	FuncCode creationCode() const { return LFUN_BRANCH_INSERT; }
-	QString dialogTitle() const { return qt_("Branch Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return BRANCH_CODE; }
+	FuncCode creationCode() const override { return LFUN_BRANCH_INSERT; }
+	QString dialogTitle() const override { return qt_("Branch Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 };
 

src/frontends/qt/GuiChanges.h

@@ -42,18 +42,18 @@ protected Q_SLOTS:
 
 private:
 	///
-	void updateContents();
+	void updateContents() override;
 
 	/// Nothing to initialise in this case.
-	bool initialiseParams(std::string const &) { return true; }
+	bool initialiseParams(std::string const &) override { return true; }
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	/// always true since dispatchParams() is empty
-	bool canApply() const { return true; }
+	bool canApply() const override { return true; }
 };
 
 } // namespace frontend

src/frontends/qt/GuiCharacter.h

@@ -75,15 +75,15 @@ protected Q_SLOTS:
 private:
 	/// \name Dialog inherited methods
 	//@{
-	void applyView();
-	void updateContents();
-	bool initialiseParams(std::string const & data);
-	void clearParams() {}
-	void dispatchParams();
-	bool isBufferDependent() const { return true; }
-	FuncCode getLfun() const { return LFUN_TEXTSTYLE_UPDATE; }
-	void saveSession(QSettings & settings) const;
-	void restoreSession();
+	void applyView() override;
+	void updateContents() override;
+	bool initialiseParams(std::string const & data) override;
+	void clearParams() override {}
+	void dispatchParams() override;
+	bool isBufferDependent() const override { return true; }
+	FuncCode getLfun() const override { return LFUN_TEXTSTYLE_UPDATE; }
+	void saveSession(QSettings & settings) const override;
+	void restoreSession() override;
 	//@}
 
 	///

src/frontends/qt/GuiCitation.h

@@ -72,18 +72,18 @@ private Q_SLOTS:
 private:
 	/// Dialog inherited methods
 	//@{
-	void applyView();
-	void updateView() {}
-	bool initialiseParams(std::string const & data);
-	void clearParams();
-	void dispatchParams();
-	bool isBufferDependent() const { return true; }
-	void saveSession(QSettings & settings) const;
-	void restoreSession();
+	void applyView() override;
+	void updateView() override {}
+	bool initialiseParams(std::string const & data) override;
+	void clearParams() override;
+	void dispatchParams() override;
+	bool isBufferDependent() const override { return true; }
+	void saveSession(QSettings & settings) const override;
+	void restoreSession() override;
 	/** Disconnect from the inset when the Apply button is pressed.
 	 *  Allows easy insertion of multiple citations.
 	 */
-	bool disconnectOnApply() const { return true; }
+	bool disconnectOnApply() const override { return true; }
 	//@}
 
 	///

src/frontends/qt/GuiCommandBuffer.cpp

@@ -56,7 +56,7 @@ public:
 		setAttribute(Qt::WA_DeleteOnClose);
 	}
 protected:
-	bool event(QEvent * ev) {
+	bool event(QEvent * ev) override {
 		if (ev->type() == QEvent::MouseButtonPress) {
 			QMouseEvent * me = static_cast<QMouseEvent *>(ev);
 			if (me->x() < 0 || me->y() < 0
@@ -67,7 +67,7 @@ protected:
 		return QListWidget::event(ev);
 	}
 
-	void keyPressEvent(QKeyEvent * ev) {
+	void keyPressEvent(QKeyEvent * ev) override {
 		if (ev->key() == Qt::Key_Escape) {
 			hide();
 			return;

src/frontends/qt/GuiCompare.h

@@ -61,19 +61,19 @@ private Q_SLOTS:
 
 private:
 	///
-	void updateContents();
+	void updateContents() override;
 	///
-	bool isValid();
+	bool isValid() override;
 	///
-	bool initialiseParams(std::string const &);
+	bool initialiseParams(std::string const &) override;
 	///
-	bool isBufferDependent() const { return false; }
+	bool isBufferDependent() const override { return false; }
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	void apply() {}
+	void apply() override {}
 
 
 	/// enable or disable all controls and rename the Close/Cancel button

src/frontends/qt/GuiCompareHistory.h

@@ -41,15 +41,15 @@ private Q_SLOTS:
 	void selectBetweenrev();
 private:
 	///
-	void updateContents();
+	void updateContents() override;
 	///
-	bool initialiseParams(std::string const &);
+	bool initialiseParams(std::string const &) override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
 	void enableControls();
 

src/frontends/qt/GuiCompleter.cpp

@@ -59,7 +59,7 @@ public:
 
 protected:
 	void paint(QPainter *painter, const QStyleOptionViewItem &option,
-		   const QModelIndex &index) const
+		   const QModelIndex &index) const override
 	{
 		if (index.column() == 0) {
 			QItemDelegate::paint(painter, option, index);
@@ -107,12 +107,12 @@ public:
 		return false;
 	}
 	///
-	int columnCount(const QModelIndex & /*parent*/ = QModelIndex()) const
+	int columnCount(const QModelIndex & /*parent*/ = QModelIndex()) const override
 	{
 		return 2;
 	}
 	///
-	int rowCount(const QModelIndex & /*parent*/ = QModelIndex()) const
+	int rowCount(const QModelIndex & /*parent*/ = QModelIndex()) const override
 	{
 		if (list_ == 0)
 			return 0;
@@ -120,7 +120,7 @@ public:
 	}
 
 	///
-	QVariant data(const QModelIndex & index, int role) const
+	QVariant data(const QModelIndex & index, int role) const override
 	{
 		if (list_ == 0)
 			return QVariant();

src/frontends/qt/GuiCounter.h

@@ -32,13 +32,13 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return COUNTER_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Counters"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
-	bool initialiseParams(std::string const & data);
+	InsetCode insetCode() const override { return COUNTER_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Counters"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
+	bool initialiseParams(std::string const & data) override;
 	//@}
 	void processParams(InsetCommandParams const & icp);
 	///

src/frontends/qt/GuiDelimiter.h

@@ -28,10 +28,10 @@ class GuiDelimiter : public GuiDialog, public Ui::DelimiterUi
 public:
 	GuiDelimiter(GuiView & lv);
 
-	bool initialiseParams(std::string const &) { return true; }
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return true; }
+	bool initialiseParams(std::string const &) override { return true; }
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return true; }
 
 public Q_SLOTS:
 	void on_buttonBox_clicked(QAbstractButton * button);

src/frontends/qt/GuiDialog.h

@@ -39,8 +39,8 @@ public:
 	/// \param title is the window title used for decoration.
 	GuiDialog(GuiView & lv, QString const & name, QString const & title);
 
-	virtual QWidget * asQWidget() { return this; }
-	virtual QWidget const * asQWidget() const { return this; }
+	QWidget * asQWidget() override { return this; }
+	QWidget const * asQWidget() const override { return this; }
 
 public Q_SLOTS:
 	/** \name Buttons
@@ -65,7 +65,7 @@ public Q_SLOTS:
 	void closeEvent(QCloseEvent * e);
 
 protected Q_SLOTS:
-	void onBufferViewChanged() {};//override
+	void onBufferViewChanged() override {}
 
 public:
 	/** Check whether we may apply our data.
@@ -85,10 +85,10 @@ public:
 	/// the dialog has changed contents
 	virtual void changed();
 
-	virtual void enableView(bool enable);
+	void enableView(bool enable) override;
 
 	/// default: do nothing
-	virtual void applyView() {}
+	void applyView() override {}
 	/// default: do nothing
 	virtual void updateContents() {}
 
@@ -101,13 +101,13 @@ public:
 	/** When applying, it's useful to know whether the dialog is about
 	 *  to close or not (no point refreshing the display for example).
 	 */
-	bool isClosing() const { return is_closing_; }
+	bool isClosing() const override { return is_closing_; }
 
 	///
-	bool needBufferOpen() const { return isBufferDependent(); }
+	bool needBufferOpen() const override { return isBufferDependent(); }
 
 	/// Update the display of the dialog whilst it is still visible.
-	virtual void updateView();
+	void updateView() override;
 
 private:
 	ButtonController bc_;

src/frontends/qt/GuiDocument.cpp

@@ -289,13 +289,13 @@ public:
 			{ excluded_modules_ = em.list(); }
 private:
 	///
-	virtual void updateAddPB();
+	void updateAddPB() override;
 	///
-	virtual void updateUpPB();
+	void updateUpPB() override;
 	///
-	virtual void updateDownPB();
+	void updateDownPB() override;
 	///
-	virtual void updateDelPB();
+	void updateDelPB() override;
 	/// returns availableModel as a GuiIdListModel
 	QStandardItemModel * getAvailableModel()
 	{

src/frontends/qt/GuiDocument.h

@@ -92,7 +92,7 @@ public:
 	BufferParams const & params() const { return bp_; }
 
 public Q_SLOTS:
-	void onBufferViewChanged();//override
+	void onBufferViewChanged() override;
 	// OK button clicked
 	void slotOK();
 	// Apply button clicked
@@ -204,9 +204,9 @@ private:
 	GuiIdListModel * selectedModel() { return &modules_sel_model_; }
 
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// update
-	void updateContents();
+	void updateContents() override;
 	///
 	void updateAvailableModules();
 	///
@@ -238,24 +238,24 @@ private:
 	FancyLineEdit * filter_;
 
 	/// return false if validate_listings_params returns error
-	bool isValid();
+	bool isValid() override;
 
 	/// font family names for BufferParams::fonts_default_family
 	static char const * const fontfamilies[5];
 	/// GUI names corresponding fontfamilies
 	static char const * fontfamilies_gui[5];
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
 	void modulesToParams(BufferParams &);
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	/// always true since we don't manipulate document contents
-	bool canApply() const { return true; }
+	bool canApply() const override { return true; }
 	///
 	DocumentClass const & documentClass() const;
 	///

src/frontends/qt/GuiERT.h

@@ -28,12 +28,12 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return ERT_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("TeX Mode Inset Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return ERT_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("TeX Mode Inset Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 };
 

src/frontends/qt/GuiErrorList.h

@@ -42,15 +42,15 @@ private:
 	///
 	void paramsToDialog();
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	bool canApply() const { return true; }
+	bool canApply() const override { return true; }
 
 	/// goto this error in the parent bv. Returns success.
 	bool goTo(int item);

src/frontends/qt/GuiExternal.h

@@ -49,22 +49,22 @@ private:
 	///
 	bool activateAspectratio() const;
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// update
-	void updateContents();
+	void updateContents() override;
 	/// Helper function called when the template is changed.
 	void updateTemplate();
 	///
 	bool usingScale() const;
 
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	/// clean-up on hide.
-	void clearParams();
+	void clearParams() override;
 	/// clean-up on hide.
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 	///
 	QString browse(QString const & input_file,

src/frontends/qt/GuiFontMetrics.h

@@ -34,39 +34,39 @@ public:
 
 	virtual ~GuiFontMetrics() {}
 
-	virtual int maxAscent() const;
-	virtual int maxDescent() const;
-	virtual Dimension const defaultDimension() const;
-	virtual int em() const;
-	virtual int xHeight() const;
-	virtual int lineWidth() const;
-	virtual int underlinePos() const;
-	virtual int strikeoutPos() const;
-	virtual bool italic() const;
-	virtual double italicSlope() const;
-	virtual int width(char_type c) const;
-	virtual int ascent(char_type c) const;
-	virtual int descent(char_type c) const;
-	virtual int lbearing(char_type c) const;
-	virtual int rbearing(char_type c) const;
-	virtual int width(docstring const & s) const;
-	virtual int signedWidth(docstring const & s) const;
-	virtual int pos2x(docstring const & s, int pos, bool rtl, double ws) const;
-	virtual int x2pos(docstring const & s, int & x, bool rtl, double ws) const;
-	virtual bool breakAt(docstring & s, int & x, bool rtl, bool force) const;
-	virtual Dimension const dimension(char_type c) const;
+	int maxAscent() const override;
+	int maxDescent() const override;
+	Dimension const defaultDimension() const override;
+	int em() const override;
+	int xHeight() const override;
+	int lineWidth() const override;
+	int underlinePos() const override;
+	int strikeoutPos() const override;
+	bool italic() const override;
+	double italicSlope() const override;
+	int width(char_type c) const override;
+	int ascent(char_type c) const override;
+	int descent(char_type c) const override;
+	int lbearing(char_type c) const override;
+	int rbearing(char_type c) const override;
+	int width(docstring const & s) const override;
+	int signedWidth(docstring const & s) const override;
+	int pos2x(docstring const & s, int pos, bool rtl, double ws) const override;
+	int x2pos(docstring const & s, int & x, bool rtl, double ws) const override;
+	bool breakAt(docstring & s, int & x, bool rtl, bool force) const override;
+	Dimension const dimension(char_type c) const override;
 
-	virtual void rectText(docstring const & str,
+	void rectText(docstring const & str,
 		int & width,
 		int & ascent,
-		int & descent) const;
-	virtual void buttonText(docstring const & str,
+		int & descent) const override;
+	void buttonText(docstring const & str,
 		const int offset,
 		int & width,
 		int & ascent,
-		int & descent) const;
+		int & descent) const override;
 
-	int countExpanders(docstring const & str) const;
+	int countExpanders(docstring const & str) const override;
 	///
 	int width(QString const & str) const;
 

src/frontends/qt/GuiGraphics.h

@@ -52,15 +52,15 @@ private Q_SLOTS:
 
 private:
 	///
-	bool isValid();
+	bool isValid() override;
 	/// Dialog inherited methods
 	//@{
-	void applyView();
-	void updateContents() {}
-	bool initialiseParams(std::string const & data);
-	void clearParams();
-	void dispatchParams();
-	bool isBufferDependent() const { return true; }
+	void applyView() override;
+	void updateContents() override {}
+	bool initialiseParams(std::string const & data) override;
+	void clearParams() override;
+	void dispatchParams() override;
+	bool isBufferDependent() const override { return true; }
 	//@}
 
 	///

src/frontends/qt/GuiHSpace.h

@@ -34,12 +34,12 @@ private Q_SLOTS:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return math_mode_ ? MATH_SPACE_CODE : SPACE_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Horizontal Space Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return math_mode_ ? MATH_SPACE_CODE : SPACE_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Horizontal Space Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 	///
 	bool const math_mode_;

src/frontends/qt/GuiHyperlink.h

@@ -30,13 +30,13 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return HYPERLINK_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Hyperlink Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
-	bool initialiseParams(std::string const & data);
+	InsetCode insetCode() const override { return HYPERLINK_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Hyperlink Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
+	bool initialiseParams(std::string const & data) override;
 	//@}
 };
 

src/frontends/qt/GuiInclude.h

@@ -47,15 +47,15 @@ private Q_SLOTS:
 
 private:
 	///
-	bool initialiseParams(std::string const & sdata);
+	bool initialiseParams(std::string const & sdata) override;
 	///
 	void paramsToDialog(InsetCommandParams const & icp);
 	/// clean-up on hide.
-	void clearParams() { params_.clear(); }
+	void clearParams() override { params_.clear(); }
 	/// clean-up on hide.
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 	///
 	enum Type {
@@ -73,11 +73,11 @@ private:
 	/// validate listings parameters and return an error message, if any
 	docstring validate_listings_params();
 	///
-	bool isValid();
+	bool isValid() override;
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// update
-	void updateContents() {}
+	void updateContents() override {}
 	/// Browse for a file
 	QString browse(QString const &, Type) const;
 

src/frontends/qt/GuiIndex.h

@@ -34,17 +34,17 @@ private Q_SLOTS:
 
 private:
 	///  Apply changes
-	void applyView();
+	void applyView() override;
 	/// Update dialog before showing it
-	void updateContents();
+	void updateContents() override;
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 	///
 	InsetIndexParams params_;

src/frontends/qt/GuiInfo.h

@@ -35,13 +35,13 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return INFO_CODE; }
-	FuncCode creationCode() const { return LFUN_INFO_INSERT; }
-	QString dialogTitle() const { return qt_("Field Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool initialiseParams(std::string const &);
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return INFO_CODE; }
+	FuncCode creationCode() const override { return LFUN_INFO_INSERT; }
+	QString dialogTitle() const override { return qt_("Field Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool initialiseParams(std::string const &) override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 	InsetInfoParams params_;
 };

src/frontends/qt/GuiLabel.h

@@ -30,13 +30,13 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return LABEL_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Label Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
-	bool initialiseParams(std::string const &);
+	InsetCode insetCode() const override { return LABEL_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Label Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
+	bool initialiseParams(std::string const &) override;
 	//@}
 };
 

src/frontends/qt/GuiLine.h

@@ -29,12 +29,12 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return LINE_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Line Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return LINE_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Line Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 };
 

src/frontends/qt/GuiListings.h

@@ -45,19 +45,19 @@ private Q_SLOTS:
 	void on_languageCO_currentIndexChanged(int);
 private:
 	/// return false if validate_listings_params returns error
-	bool isValid();
+	bool isValid() override;
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// update
-	void updateContents();
+	void updateContents() override;
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	/// clean-up on hide.
-	void clearParams();
+	void clearParams() override;
 	/// clean-up on hide.
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	///
 	void setParams(InsetListingsParams const &);
 

src/frontends/qt/GuiLog.cpp

@@ -62,7 +62,7 @@ public:
 	LogHighlighter(QTextDocument * parent);
 
 private:
-	void highlightBlock(QString const & text);
+	void highlightBlock(QString const & text) override;
 
 private:
 	QTextCharFormat infoFormat;

src/frontends/qt/GuiLog.h

@@ -32,7 +32,7 @@ public:
 	GuiLog(GuiView & lv);
 
 private Q_SLOTS:
-	void updateContents();
+	void updateContents() override;
 	/// find content
 	void find();
 	/// jump to next error message
@@ -46,7 +46,7 @@ private Q_SLOTS:
 
 private:
 	/// Apply changes
-	void applyView() {}
+	void applyView() override {}
 
 	/// log syntax highlighter
 	LogHighlighter * highlighter;
@@ -54,13 +54,13 @@ private:
 	/** \param data should contain "<logtype> <logfile>"
 	 *  where <logtype> is one of "latex", "literate", "lyx2lyx", "vc".
 	 */
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 	/// The title displayed by the dialog reflects the \c LogType
 	docstring title() const;

src/frontends/qt/GuiLyXFiles.h

@@ -52,24 +52,24 @@ private Q_SLOTS:
 
 private:
 	///
-	bool isValid();
+	bool isValid() override;
 	/// Apply from dialog
-	void applyView();
+	void applyView() override;
 	/// Update the dialog
-	void updateContents();
+	void updateContents() override;
 
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
 	void paramsToDialog();
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return false; }
+	bool isBufferDependent() const override { return false; }
 	///
-	FuncCode getLfun() const;
+	FuncCode getLfun() const override;
 	///
 	QString const getSuffix();
 	///

src/frontends/qt/GuiMathMatrix.h

@@ -28,10 +28,10 @@ class GuiMathMatrix : public GuiDialog, public Ui::MathMatrixUi
 public:
 	GuiMathMatrix(GuiView & lv);
 
-	bool initialiseParams(std::string const &) { return true; }
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return true; }
+	bool initialiseParams(std::string const &) override { return true; }
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return true; }
 
 public Q_SLOTS:
 	void on_buttonBox_clicked(QAbstractButton *);

src/frontends/qt/GuiNomenclature.h

@@ -31,13 +31,13 @@ public:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return NOMENCL_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Nomenclature Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
-	bool initialiseParams(std::string const &);
+	InsetCode insetCode() const override { return NOMENCL_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Nomenclature Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
+	bool initialiseParams(std::string const &) override;
 	//@}
 };
 

src/frontends/qt/GuiNote.h

@@ -28,17 +28,17 @@ private Q_SLOTS:
 	void change_adaptor();
 private:
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// Update dialog before showing it
-	void updateContents();
+	void updateContents() override;
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 private:
 	///
 	InsetNoteParams params_;

src/frontends/qt/GuiParagraph.h

@@ -33,14 +33,14 @@ public:
 
 	/// Dialog inherited methods
 	//@{
-	void applyView();
-	void updateView();
-	void dispatchParams();
-	void enableView(bool enable);
-	bool isBufferDependent() const { return true; }
-	virtual FuncCode getLfun() const { return LFUN_PARAGRAPH_PARAMS_APPLY; }
-	void saveSession(QSettings & settings) const;
-	void restoreSession();
+	void applyView() override;
+	void updateView() override;
+	void dispatchParams() override;
+	void enableView(bool enable) override;
+	bool isBufferDependent() const override { return true; }
+	FuncCode getLfun() const override { return LFUN_PARAGRAPH_PARAMS_APPLY; }
+	void saveSession(QSettings & settings) const override;
+	void restoreSession() override;
 	//@}
 
 private:

src/frontends/qt/GuiPhantom.h

@@ -28,17 +28,17 @@ private Q_SLOTS:
 	void change_adaptor();
 private:
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	/// Update dialog before showing it
-	void updateContents();
+	void updateContents() override;
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 private:
 	///
 	InsetPhantomParams params_;

src/frontends/qt/GuiPrefs.cpp

@@ -1879,8 +1879,8 @@ class FormatValidator : public QValidator
 {
 public:
 	FormatValidator(QWidget *, Formats const & f);
-	void fixup(QString & input) const;
-	QValidator::State validate(QString & input, int & pos) const;
+	void fixup(QString & input) const override;
+	QValidator::State validate(QString & input, int & pos) const override;
 private:
 	virtual QString toString(Format const & format) const = 0;
 	int nr() const;
@@ -1946,7 +1946,7 @@ public:
 		: FormatValidator(parent, f)
 	{}
 private:
-	QString toString(Format const & format) const
+	QString toString(Format const & format) const override
 	{
 		return toqstr(format.name());
 	}
@@ -1966,7 +1966,7 @@ public:
 		: FormatValidator(parent, f)
 	{}
 private:
-	QString toString(Format const & format) const
+	QString toString(Format const & format) const override
 	{
 		return toqstr(translateIfPossible(format.prettyname()));
 	}

src/frontends/qt/GuiPrefs.h

@@ -76,18 +76,18 @@ Q_SIGNALS:
 
 public:
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 
 	std::vector<PrefModule *> modules_;
 
 	///
-	bool initialiseParams(std::string const &);
+	bool initialiseParams(std::string const &) override;
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return false; }
+	bool isBufferDependent() const override { return false; }
 
 	/// various file pickers
 	QString browsebind(QString const & file);

src/frontends/qt/GuiPrintNomencl.h

@@ -35,13 +35,13 @@ private Q_SLOTS:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return NOMENCL_PRINT_CODE; }
-	FuncCode creationCode() const { return LFUN_NOMENCL_PRINT; }
-	QString dialogTitle() const { return qt_("Nomenclature List Settings"); }
-	void paramsToDialog(Inset const *);
+	InsetCode insetCode() const override { return NOMENCL_PRINT_CODE; }
+	FuncCode creationCode() const override { return LFUN_NOMENCL_PRINT; }
+	QString dialogTitle() const override { return qt_("Nomenclature List Settings"); }
+	void paramsToDialog(Inset const *) override;
 	void paramsToDialog(InsetCommandParams const &);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 };
 

src/frontends/qt/GuiPrintindex.h

@@ -34,19 +34,19 @@ private Q_SLOTS:
 
 private:
 	///  Apply changes
-	void applyView();
+	void applyView() override;
 	/// Update dialog before showing it
-	void updateContents();
+	void updateContents() override;
 	///
 	void paramsToDialog(InsetCommandParams const & icp);
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	/// clean-up on hide.
-	void clearParams() { params_.clear(); }
+	void clearParams() override { params_.clear(); }
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 	///
 	InsetCommandParams params_;

src/frontends/qt/GuiProgressView.h

@@ -52,16 +52,16 @@ public:
 	~GuiProgressView();
 	/// Controller inherited method.
 	///@{
-	bool initialiseParams(std::string const &) { return true; }
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return false; }
-	bool canApply() const { return true; }
-	bool canApplyToReadOnly() const { return true; }
-	void updateView() {}
-	bool wantInitialFocus() const { return false; }
-	void restoreSession();
-	void saveSession(QSettings & settings) const;
+	bool initialiseParams(std::string const &) override { return true; }
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return false; }
+	bool canApply() const override { return true; }
+	bool canApplyToReadOnly() const override { return true; }
+	void updateView() override {}
+	bool wantInitialFocus() const override { return false; }
+	void restoreSession() override;
+	void saveSession(QSettings & settings) const override;
 	///@}
 
 private Q_SLOTS:

src/frontends/qt/GuiRef.h

@@ -33,7 +33,7 @@ public:
 	GuiRef(GuiView & lv);
 	/// Dialog inherited methods
 	//@{
-	void enableView(bool enable);
+	void enableView(bool enable) override;
 	//@}
 
 private Q_SLOTS:
@@ -54,10 +54,10 @@ private Q_SLOTS:
 
 private:
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	/** disconnect from the inset when the Apply button is pressed.
 	 Allows easy insertion of multiple references. */
-	bool disconnectOnApply() const { return true; }
+	bool disconnectOnApply() const override { return true; }
 	///
 	void gotoRef(std::string const &);
 	///
@@ -65,11 +65,11 @@ private:
 	///
 	void closeEvent(QCloseEvent * e);
 	///
-	bool isValid();
+	bool isValid() override;
 	/// apply changes
-	void applyView();
+	void applyView() override;
 	/// update dialog
-	void updateContents();
+	void updateContents() override;
 	///
 	void enableBoxes();
 
@@ -84,11 +84,11 @@ private:
 	/// update references
 	void updateRefs();
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	/// clean-up on hide.
-	void clearParams() { params_.clear(); }
+	void clearParams() override { params_.clear(); }
 	/// clean-up on hide.
-	void dispatchParams();
+	void dispatchParams() override;
 
 private:
 	///

src/frontends/qt/GuiSearch.h

@@ -35,10 +35,10 @@ private Q_SLOTS:
 private:
 	void showEvent(QShowEvent * e);
 	///
-	bool initialiseParams(std::string const &) { return true; }
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return true; }
+	bool initialiseParams(std::string const &) override { return true; }
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return true; }
 
 	/// Searches occurrence of string
 	void find(docstring const & search,

src/frontends/qt/GuiSendto.h

@@ -40,24 +40,24 @@ private Q_SLOTS:
 
 private:
 	///
-	bool isValid();
+	bool isValid() override;
 	/// Apply from dialog
-	void applyView();
+	void applyView() override;
 	/// Update the dialog
-	void updateContents();
+	void updateContents() override;
 
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
 	void paramsToDialog(Format const * format, QString const & command);
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	///
-	FuncCode getLfun() const { return LFUN_BUFFER_EXPORT_CUSTOM; }
+	FuncCode getLfun() const override { return LFUN_BUFFER_EXPORT_CUSTOM; }
 
 private:
 	///

src/frontends/qt/GuiShowFile.h

@@ -30,15 +30,15 @@ public:
 
 private:
 	/// update
-	void updateContents();
+	void updateContents() override;
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	bool isBufferDependent() const { return false; }
+	bool isBufferDependent() const override { return false; }
 
 	///
 	support::FileName filename_;

src/frontends/qt/GuiSpellchecker.h

@@ -70,12 +70,12 @@ public:
 
 private:
 	///{
-	void updateView();
-	bool initialiseParams(std::string const & sdata)
+	void updateView() override;
+	bool initialiseParams(std::string const & sdata) override
 		{ return widget_->initialiseParams(sdata); }
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return false; }
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return false; }
 	///}
 	/// The encapsulated widget.
 	SpellcheckerWidget * widget_;

src/frontends/qt/GuiSymbols.cpp

@@ -210,22 +210,22 @@ public:
 		: QAbstractListModel(parent), encoding_(0)
 	{}
 
-	QModelIndex index(int row, int column, QModelIndex const &) const
+	QModelIndex index(int row, int column, QModelIndex const &) const override
 	{
 		return createIndex(row, column);
 	}
 
-	QModelIndex parent(QModelIndex const &) const
+	QModelIndex parent(QModelIndex const &) const override
 	{
 		return QModelIndex();
 	}
 
-	int rowCount(QModelIndex const &) const
+	int rowCount(QModelIndex const &) const override
 	{
 		return symbols_.count();
 	}
 
-	QVariant data(QModelIndex const & index, int role) const
+	QVariant data(QModelIndex const & index, int role) const override
 	{
 		if (!index.isValid())
 			return QVariant();

src/frontends/qt/GuiSymbols.h

@@ -31,11 +31,11 @@ public:
 
 	/// Dialog inherited methods
 	//@{
-	void updateView();
-	void dispatchParams();
-	void enableView(bool enable);
-	bool isBufferDependent() const { return true; }
-	FuncCode getLfun() const { return LFUN_SELF_INSERT; }
+	void updateView() override;
+	void dispatchParams() override;
+	void enableView(bool enable) override;
+	bool isBufferDependent() const override { return true; }
+	FuncCode getLfun() const override { return LFUN_SELF_INSERT; }
 	//@}
 
 public Q_SLOTS:

src/frontends/qt/GuiTabular.h

@@ -43,12 +43,12 @@ private Q_SLOTS:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return TABULAR_CODE; }
-	FuncCode creationCode() const { return LFUN_TABULAR_INSERT; }
-	QString dialogTitle() const { return qt_("Tabular Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return TABULAR_CODE; }
+	FuncCode creationCode() const override { return LFUN_TABULAR_INSERT; }
+	QString dialogTitle() const override { return qt_("Tabular Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 
 	///

src/frontends/qt/GuiTabularCreate.h

@@ -35,17 +35,17 @@ private Q_SLOTS:
 
 private:
 	/// Apply changes
-	void applyView();
+	void applyView() override;
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	/// clean-up on hide.
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	///
-	FuncCode getLfun() const;
+	FuncCode getLfun() const override;
 
 	///
 	typedef std::pair<size_t, size_t> rowsCols;

src/frontends/qt/GuiTexinfo.h

@@ -40,7 +40,7 @@ public:
 
 public Q_SLOTS:
 	///
-	void updateView();
+	void updateView() override;
 
 private Q_SLOTS:
 	///
@@ -54,15 +54,15 @@ private Q_SLOTS:
 
 private:
 	/// Nothing to initialise in this case.
-	bool initialiseParams(std::string const &) { return true; }
+	bool initialiseParams(std::string const &) override { return true; }
 	///
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	bool isBufferDependent() const { return false; }
+	bool isBufferDependent() const override { return false; }
 	///
-	void apply() {}
+	void apply() override {}
 
 	///
 	void updateStyles(TexFileType);

src/frontends/qt/GuiThesaurus.h

@@ -28,7 +28,7 @@ class GuiThesaurus : public GuiDialog, public Ui::ThesaurusUi
 public:
 	GuiThesaurus(GuiView & lv);
 
-	void checkStatus();
+	void checkStatus() override;
 
 private Q_SLOTS:
 	void change_adaptor();
@@ -40,17 +40,17 @@ private Q_SLOTS:
 
 private:
 	/// update
-	void updateContents();
+	void updateContents() override;
 	///
 	void updateLists();
 	///
-	bool initialiseParams(std::string const & data);
+	bool initialiseParams(std::string const & data) override;
 	///
-	void clearParams();
+	void clearParams() override;
 	///
-	void dispatchParams() {}
+	void dispatchParams() override {}
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 
 	/// replace the particular string
 	void replace(docstring const & newstr);
@@ -72,7 +72,7 @@ private:
 	docstring lang_;
 
 	/// not needed.
-	void apply() {}
+	void apply() override {}
 };
 
 } // namespace frontend

src/frontends/qt/GuiToc.h

@@ -35,20 +35,20 @@ public:
 			Qt::WindowFlags flags = {});
 
 	///
-	bool initialiseParams(std::string const & data);
-	void updateView();
-	void enableView(bool enable);
-	bool wantInitialFocus() const { return false; }
+	bool initialiseParams(std::string const & data) override;
+	void updateView() override;
+	void enableView(bool enable) override;
+	bool wantInitialFocus() const override { return false; }
 	void closeEvent(QCloseEvent * event);
-	bool isClosing() const { return is_closing_; }
+	bool isClosing() const override { return is_closing_; }
 
 public:
 	/// clean-up on hide.
-	void clearParams() {}
+	void clearParams() override {}
 	///
-	void dispatchParams();
+	void dispatchParams() override;
 	///
-	bool isBufferDependent() const { return true; }
+	bool isBufferDependent() const override { return true; }
 	///
 	void doDispatch(Cursor & cur, FuncRequest const & fr, DispatchResult & dr);
 	///

src/frontends/qt/GuiToolbar.cpp

@@ -172,7 +172,7 @@ public:
 			setIcon(getIcon(*tbinfo->items.begin()->func, true));
 	}
 
-	void mousePressEvent(QMouseEvent * e)
+	void mousePressEvent(QMouseEvent * e) override
 	{
 		if (initialized_) {
 			QToolButton::mousePressEvent(e);

src/frontends/qt/GuiVSpace.h

@@ -35,12 +35,12 @@ private Q_SLOTS:
 private:
 	/// \name InsetParamsWidget inherited methods
 	//@{
-	InsetCode insetCode() const { return VSPACE_CODE; }
-	FuncCode creationCode() const { return LFUN_INSET_INSERT; }
-	QString dialogTitle() const { return qt_("Vertical Space Settings"); }
-	void paramsToDialog(Inset const *);
-	docstring dialogToParams() const;
-	bool checkWidgets(bool readonly) const;
+	InsetCode insetCode() const override { return VSPACE_CODE; }
+	FuncCode creationCode() const override { return LFUN_INSET_INSERT; }
+	QString dialogTitle() const override { return qt_("Vertical Space Settings"); }
+	void paramsToDialog(Inset const *) override;
+	docstring dialogToParams() const override;
+	bool checkWidgets(bool readonly) const override;
 	//@}
 };
 

src/frontends/qt/GuiView.cpp

@@ -236,7 +236,7 @@ public:
 		setFocusPolicy(Qt::StrongFocus);
 	}
 
-	void paintEvent(QPaintEvent *)
+	void paintEvent(QPaintEvent *) override
 	{
 		int const w = width_;
 		int const h = height_;
@@ -250,7 +250,7 @@ public:
 		pain.drawPixmap(x, y, w, h, splash_);
 	}
 
-	void keyPressEvent(QKeyEvent * ev)
+	void keyPressEvent(QKeyEvent * ev) override
 	{
 		KeySymbol sym;
 		setKeySymbol(&sym, ev);

src/frontends/qt/GuiViewSource.h

@@ -104,22 +104,22 @@ public:
 
 	/// Controller inherited method.
 	///@{
-	bool initialiseParams(std::string const & source);
-	void clearParams() {}
-	void dispatchParams() {}
-	bool isBufferDependent() const { return true; }
-	bool canApply() const { return true; }
-	bool canApplyToReadOnly() const { return true; }
-	void updateView();
-	void enableView(bool enable);
-	void saveSession(QSettings & settings) const;
-	void restoreSession();
-	bool wantInitialFocus() const { return false; }
+	bool initialiseParams(std::string const & source) override;
+	void clearParams() override {}
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return true; }
+	bool canApply() const override { return true; }
+	bool canApplyToReadOnly() const override { return true; }
+	void updateView() override;
+	void enableView(bool enable) override;
+	void saveSession(QSettings & settings) const override;
+	void restoreSession() override;
+	bool wantInitialFocus() const override { return false; }
 	///@}
 
 public Q_SLOTS:
 	///
-	void onBufferViewChanged();//override
+	void onBufferViewChanged() override;
 
 private Q_SLOTS:
 	/// The title displayed by the dialog reflects source type.

src/frontends/qt/GuiWorkArea.h

@@ -289,7 +289,7 @@ private Q_SLOTS:
 	void ignore() const;
 
 protected:
-	void mouseDoubleClickEvent(QMouseEvent * event); //override
+	void mouseDoubleClickEvent(QMouseEvent * event) override;
 
 public:
 	/// wa != 0

src/frontends/qt/GuiWrap.h

@@ -33,12 +33,12 @@ private Q_SLOTS:
 private:
 	/// Dialog inherited methods
 	//@{
-	void applyView();
-	void updateContents() {}
-	bool initialiseParams(std::string const & data);
-	void clearParams();
-	void dispatchParams();
-	bool isBufferDependent() const { return true; }
+	void applyView() override;
+	void updateContents() override {}
+	bool initialiseParams(std::string const & data) override;
+	void clearParams() override;
+	void dispatchParams() override;
+	bool isBufferDependent() const override { return true; }
 	//@}
 
 	///

src/frontends/qt/InGuiThread.h

@@ -100,7 +100,7 @@ public:
 
 private:
 
-	void synchronousFunctionCall()
+	void synchronousFunctionCall() override
 	{
 		return_value_ = func_();
 	}
@@ -163,7 +163,7 @@ public:
 
 private:
 
-	void synchronousFunctionCall()
+	void synchronousFunctionCall() override
 	{
 		func_();
 	}

src/frontends/qt/InsetParamsDialog.h

@@ -41,7 +41,7 @@ public:
 
 protected Q_SLOTS:
 	void onWidget_changed();
-	void applyView();
+	void applyView() override;
 	void resetDialog();
 	void on_buttonBox_clicked(QAbstractButton *);
 	void on_immediateApplyCB_stateChanged(int state);
@@ -50,11 +50,11 @@ protected Q_SLOTS:
 private:
 	/// \name DialogView inherited methods
 	//@{
-	void updateView();
-	void dispatchParams() {}
-	bool isBufferDependent() const { return true; }
-	bool canApply() const { return true; }
-	bool initialiseParams(std::string const &);
+	void updateView() override;
+	void dispatchParams() override {}
+	bool isBufferDependent() const override { return true; }
+	bool canApply() const override { return true; }
+	bool initialiseParams(std::string const &) override;
 	//@}
 	///
 	void newInset();

src/frontends/qt/LayoutBox.cpp

@@ -63,13 +63,13 @@ public:
 	{}
 	///
 	void paint(QPainter * painter, QStyleOptionViewItem const & option,
-		QModelIndex const & index) const;
+		QModelIndex const & index) const override;
 	///
 	void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
-		const QRect & /*rect*/, const QString & text ) const;
+		const QRect & /*rect*/, const QString & text ) const override;
 	///
 	QSize sizeHint(QStyleOptionViewItem const & opt,
-		QModelIndex const & index) const;
+		QModelIndex const & index) const override;
 
 private:
 	///

src/frontends/qt/Menus.cpp

@@ -2079,7 +2079,7 @@ void Menu::Impl::populate(QMenu * qMenu, MenuDefinition const & menu)
 class AlwaysMnemonicStyle : public QProxyStyle {
 public:
 	int styleHint(StyleHint hint, const QStyleOption *opt = 0, const QWidget *widget = 0,
-		QStyleHintReturn *returnData = 0) const
+		QStyleHintReturn *returnData = 0) const override
 	{
 		if (hint == QStyle::SH_UnderlineShortcut)
 			return 1;

src/insets/ExternalTransforms.h

@@ -151,9 +151,9 @@ protected:
 	explicit ResizeCommand(ResizeData const & data_) : data(data_) {}
 
 private:
-	virtual std::string const front_placeholder_impl() const
+	std::string const front_placeholder_impl() const override
 		{ return "$$ResizeFront"; }
-	virtual std::string const back_placeholder_impl() const
+	std::string const back_placeholder_impl() const override
 		{ return "$$ResizeBack"; }
 };
 
@@ -166,8 +166,8 @@ public:
 private:
 	explicit ResizeLatexCommand(ResizeData const & data_)
 		: ResizeCommand(data_) {}
-	virtual std::string const front_impl() const;
-	virtual std::string const back_impl() const;
+	std::string const front_impl() const override;
+	std::string const back_impl() const override;
 };
 
 
@@ -177,9 +177,9 @@ protected:
 	explicit RotationCommand(RotationData const & data_) : data(data_) {}
 
 private:
-	virtual std::string const front_placeholder_impl() const
+	std::string const front_placeholder_impl() const override
 		{ return "$$RotateFront"; }
-	virtual std::string const back_placeholder_impl() const
+	std::string const back_placeholder_impl() const override
 		{ return "$$RotateBack"; }
 };
 
@@ -192,8 +192,8 @@ public:
 private:
 	explicit RotationLatexCommand(RotationData const & data_)
 		: RotationCommand(data_) {}
-	virtual std::string const front_impl() const;
-	virtual std::string const back_impl() const;
+	std::string const front_impl() const override;
+	std::string const back_impl() const override;
 };
 
 
@@ -223,7 +223,7 @@ protected:
 	explicit ClipOption(ClipData const & data_) : data(data_) {}
 
 private:
-	virtual std::string const placeholder_impl() const
+	std::string const placeholder_impl() const override
 		{ return "$$Clip"; }
 };
 
@@ -236,7 +236,7 @@ public:
 private:
 	explicit ClipLatexOption(ClipData const & data_)
 		: ClipOption(data_) {}
-	virtual std::string const option_impl() const;
+	std::string const option_impl() const override;
 };
 
 
@@ -248,9 +248,9 @@ public:
 private:
 	explicit ExtraOption(std::string const & data_) : data(data_) {}
 
-	virtual std::string const placeholder_impl() const
+	std::string const placeholder_impl() const override
 		{ return "$$Extra"; }
-	virtual std::string const option_impl() const
+	std::string const option_impl() const override
 		{ return data; }
 	std::string data;
 };
@@ -262,7 +262,7 @@ protected:
 	explicit ResizeOption(ResizeData const & data_) : data(data_) {}
 
 private:
-	virtual std::string const placeholder_impl() const
+	std::string const placeholder_impl() const override
 		{ return "$$Resize"; }
 };
 
@@ -275,7 +275,7 @@ public:
 private:
 	explicit ResizeLatexOption(ResizeData const & data_)
 		: ResizeOption(data_) {}
-	virtual std::string const option_impl() const;
+	std::string const option_impl() const override;
 };
 
 
@@ -285,7 +285,7 @@ protected:
 	explicit RotationOption(RotationData const & data_) : data(data_) {}
 
 private:
-	virtual std::string const placeholder_impl() const
+	std::string const placeholder_impl() const override
 		{ return "$$Rotate"; }
 };
 
@@ -298,7 +298,7 @@ public:
 private:
 	explicit RotationLatexOption(RotationData const & data_)
 		: RotationOption(data_) {}
-	virtual std::string const option_impl() const;
+	std::string const option_impl() const override;
 };
 
 

src/insets/Inset.h

@@ -593,7 +593,7 @@ public:
 	/// returns whether this inset is allowed in other insets of given mode
 	virtual bool allowedIn(mode_type) const { return true; }
 	/// returns whether paragraph breaks can occur inside this inset
-	virtual bool allowMultiPar() const  { return false; }
+	virtual bool allowMultiPar() const { return false; }
 	/**
 	 * The font is inherited from the parent for LaTeX export if this
 	 * method returns true. No open font changes are closed in front of

src/insets/InsetArgument.h

@@ -30,7 +30,7 @@ public:
 	InsetArgument(Buffer *, std::string const &);
 
 	///
-	InsetArgument const * asInsetArgument() const { return this; }
+	InsetArgument const * asInsetArgument() const override { return this; }
 
 	/// Outputting the parameter of a LaTeX command
 	void latexArgument(otexstream & os, OutputParams const & runparams_in,
@@ -42,59 +42,59 @@ public:
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	bool hasSettings() const { return false; }
+	bool hasSettings() const override { return false; }
 	///
-	InsetCode lyxCode() const { return ARG_CODE; }
+	InsetCode lyxCode() const override { return ARG_CODE; }
 	///
-	docstring layoutName() const { return from_ascii("Argument"); }
+	docstring layoutName() const override { return from_ascii("Argument"); }
 	/// Update the label string of this inset
-	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false);
+	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false) override;
 	///
-	void latex(otexstream &, OutputParams const &) const { }
+	void latex(otexstream &, OutputParams const &) const override { }
 	///
-	int plaintext(odocstringstream &, OutputParams const &, size_t) const { return 0; }
+	int plaintext(odocstringstream &, OutputParams const &, size_t) const override { return 0; }
 	///
-	void docbook(XMLStream &, OutputParams const &) const { return; }
+	void docbook(XMLStream &, OutputParams const &) const override { return; }
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const
+	docstring xhtml(XMLStream &, OutputParams const &) const override
 		{ return docstring(); }
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 	///
-	void read(Lexer & lex);
+	void read(Lexer & lex) override;
 	///
-	bool neverIndent() const { return true; }
+	bool neverIndent() const override { return true; }
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	///
-	bool isPassThru() const { return pass_thru_; }
+	bool isPassThru() const override { return pass_thru_; }
 	///
-	bool isFreeSpacing() const { return free_spacing_; }
+	bool isFreeSpacing() const override { return free_spacing_; }
 	///
 	bool isTocCaption() const { return is_toc_caption_; }
 	///
-	bool resetFontEdit() const { return false; }
+	bool resetFontEdit() const override { return false; }
 	//@}
 	/// \name Public functions inherited from InsetCollapsible class
 	//@{
 	///
-	InsetLayout::InsetDecoration decoration() const;
+	InsetLayout::InsetDecoration decoration() const override;
 	///
-	FontInfo getFont() const;
+	FontInfo getFont() const override;
 	///
-	FontInfo getLabelfont() const;
+	FontInfo getLabelfont() const override;
 	///
-	ColorCode labelColor() const;
+	ColorCode labelColor() const override;
 	///
-	void setButtonLabel();
+	void setButtonLabel() override;
 	//@}
 	///
 	void addToToc(DocIterator const & dit, bool output_active,
-	              UpdateType utype, TocBackend & backend) const; //override
+	              UpdateType utype, TocBackend & backend) const override;
 
 private:
 	///
-	docstring toolTip(BufferView const & bv, int, int) const;
+	docstring toolTip(BufferView const & bv, int, int) const override;
 	///
 	void fixParagraphLanguage(Language const *);
 	///
@@ -130,13 +130,13 @@ protected:
 	/// \name Protected functions inherited from Inset class
 	//@{
 	///
-	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const;
+	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	Inset * clone() const { return new InsetArgument(*this); }
+	Inset * clone() const override { return new InsetArgument(*this); }
 	/// Is the content of this inset part of the immediate (visible) text sequence?
-	bool isPartOfTextSequence() const { return false; }
+	bool isPartOfTextSequence() const override { return false; }
 	//@}
 };
 

src/insets/InsetBibitem.h

@@ -44,27 +44,27 @@ public:
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	InsetCode lyxCode() const { return BIBITEM_CODE; }
+	InsetCode lyxCode() const override { return BIBITEM_CODE; }
 	///
-	bool hasSettings() const { return true; }
+	bool hasSettings() const override { return true; }
 	/// \copydoc Inset::initView()
 	/// verify label and update references.
-	void initView();
+	void initView() override;
 	///
-	bool isLabeled() const { return true; }
+	bool isLabeled() const override { return true; }
 	///
-	void read(Lexer & lex);
+	void read(Lexer & lex) override;
 	///
 	int plaintext(odocstringstream &, OutputParams const &,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	void collectBibKeys(InsetIterator const &, support::FileNameList &) const;
+	void collectBibKeys(InsetIterator const &, support::FileNameList &) const override;
 	/// update the counter of this inset
-	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false);
+	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false) override;
 	///@}
 
 	/// \name Static public methods obligated for InsetCommand derived classes
@@ -84,17 +84,17 @@ private:
 	/// \name Private functions inherited from Inset class
 	//@{
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	Inset * clone() const { return new InsetBibitem(*this); }
+	Inset * clone() const override { return new InsetBibitem(*this); }
 	/// Is the content of this inset part of the immediate (visible) text sequence?
-	bool isPartOfTextSequence() const { return false; }
+	bool isPartOfTextSequence() const override { return false; }
 	///@}
 
 	/// \name Private functions inherited from InsetCommand class
 	//@{
 	///
-	docstring screenLabel() const;
+	docstring screenLabel() const override;
 	//@}
 
 	friend docstring bibitemWidest(Buffer const & buffer, OutputParams const &);

src/insets/InsetBibtex.h

@@ -37,38 +37,38 @@ public:
 	///
 	bool delDatabase(docstring const &);
 	///
-	void write(std::ostream &) const;
+	void write(std::ostream &) const override;
 
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	docstring toolTip(BufferView const & bv, int x, int y) const;
+	docstring toolTip(BufferView const & bv, int x, int y) const override;
 	///
-	bool hasSettings() const { return true; }
+	bool hasSettings() const override { return true; }
 	///
-	InsetCode lyxCode() const { return BIBTEX_CODE; }
+	InsetCode lyxCode() const override { return BIBTEX_CODE; }
 	///
-	RowFlags rowFlags() const { return Display; }
+	RowFlags rowFlags() const override { return Display; }
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false);
+	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false) override;
 	///
 	void addToToc(DocIterator const & di, bool output_active,
-				  UpdateType utype, TocBackend & backend) const;
+				  UpdateType utype, TocBackend & backend) const override;
 	///
-	void collectBibKeys(InsetIterator const &, support::FileNameList &) const;
+	void collectBibKeys(InsetIterator const &, support::FileNameList &) const override;
 	///
-	void validate(LaTeXFeatures &) const;
+	void validate(LaTeXFeatures &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	//@}
 
 	/// \name Static public methods obligated for InsetCommand derived classes
@@ -98,17 +98,17 @@ private:
 	//@{
 	///
 	bool getStatus(Cursor & cur, FuncRequest const & cmd,
-		FuncStatus & flag) const;
+		FuncStatus & flag) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	Inset * clone() const { return new InsetBibtex(*this); }
+	Inset * clone() const override { return new InsetBibtex(*this); }
 	//@}
 
 	/// \name Private functions inherited from InsetCommand class
 	//@{
 	///
-	docstring screenLabel() const;
+	docstring screenLabel() const override;
 	//@}
 };
 

src/insets/InsetBox.h

@@ -102,64 +102,64 @@ public:
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	InsetCode lyxCode() const { return BOX_CODE; }
+	InsetCode lyxCode() const override { return BOX_CODE; }
 	///
-	docstring layoutName() const;
+	docstring layoutName() const override;
 	///
-	void write(std::ostream &) const;
+	void write(std::ostream &) const override;
 	///
-	void read(Lexer & lex);
+	void read(Lexer & lex) override;
 	///
-	void metrics(MetricsInfo &, Dimension &) const;
+	void metrics(MetricsInfo &, Dimension &) const override;
 	///
-	ColorCode backgroundColor(PainterInfo const &) const;
+	ColorCode backgroundColor(PainterInfo const &) const override;
 	///
-	LyXAlignment contentAlignment() const;
+	LyXAlignment contentAlignment() const override;
 	///
-	bool allowParagraphCustomization(idx_type = 0) const { return !forcePlainLayout(); }
+	bool allowParagraphCustomization(idx_type = 0) const override { return !forcePlainLayout(); }
 	///
-	bool allowMultiPar() const;
+	bool allowMultiPar() const override;
 	///
-	bool forcePlainLayout(idx_type = 0) const;
+	bool forcePlainLayout(idx_type = 0) const override;
 	///
 	bool needsCProtection(bool const maintext = false,
-			      bool const fragile = false) const;
+			      bool const fragile = false) const override;
 	///
-	bool neverIndent() const { return true; }
+	bool neverIndent() const override { return true; }
 	///
-	bool inheritFont() const { return false; }
+	bool inheritFont() const override { return false; }
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void validate(LaTeXFeatures &) const;
+	void validate(LaTeXFeatures &) const override;
 	///
-	bool hasFixedWidth() const;
+	bool hasFixedWidth() const override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	//@}
 
 	/// \name Public functions inherited from InsetCollapsible class
 	//@{
 	///
-	void setButtonLabel();
+	void setButtonLabel() override;
 	//@}
 
 protected:
 	/// \name Protected functions inherited from Inset class
 	//@{
 	///
-	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const;
+	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	Inset * clone() const { return new InsetBox(*this); }
+	Inset * clone() const override { return new InsetBox(*this); }
 	//@}
 
 private:

src/insets/InsetBranch.h

@@ -61,34 +61,34 @@ public:
 
 private:
 	///
-	InsetCode lyxCode() const { return BRANCH_CODE; }
+	InsetCode lyxCode() const override { return BRANCH_CODE; }
 	///
-	void write(std::ostream &) const;
+	void write(std::ostream &) const override;
 	///
-	void read(Lexer & lex);
+	void read(Lexer & lex) override;
 	///
-	docstring const buttonLabel(BufferView const &) const;
+	docstring const buttonLabel(BufferView const &) const override;
 	///
-	ColorCode backgroundColor(PainterInfo const &) const;
+	ColorCode backgroundColor(PainterInfo const &) const override;
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void toString(odocstream &) const;
+	void toString(odocstream &) const override;
 	///
-	void forOutliner(docstring &, size_t const, bool const) const;
+	void forOutliner(docstring &, size_t const, bool const) const override;
 	///
-	void validate(LaTeXFeatures &) const;
+	void validate(LaTeXFeatures &) const override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	///
-	void updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted = false);
+	void updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted = false) override;
 
 	/** \returns true if params_.branch is listed as 'selected' in
 		\c buffer. \p child only checks within child documents.
@@ -100,21 +100,21 @@ private:
 	 * Note that Branch insets are considered part of the
 	 * document when they are selected XOR inverted.
 	 */
-	bool producesOutput() const;
+	bool producesOutput() const override;
 	///
-	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const;
+	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const override;
 	///
-	bool isMacroScope() const;
+	bool isMacroScope() const override;
 	///
-	docstring toolTip(BufferView const & bv, int x, int y) const;
+	docstring toolTip(BufferView const & bv, int x, int y) const override;
 	///
-	bool usePlainLayout() const { return false; }
+	bool usePlainLayout() const override { return false; }
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	docstring layoutName() const { return from_ascii("Branch:") + branch(); }
+	docstring layoutName() const override { return from_ascii("Branch:") + branch(); }
 	///
-	Inset * clone() const { return new InsetBranch(*this); }
+	Inset * clone() const override { return new InsetBranch(*this); }
 
 	///
 	friend class InsetBranchParams;

src/insets/InsetCaption.h

@@ -25,7 +25,7 @@ public:
 	///
 	std::string const & floattype() const { return floattype_; }
 	///
-	docstring layoutName() const;
+	docstring layoutName() const override;
 	/// return the mandatory argument (LaTeX format) only
 	void getArgument(otexstream & os, OutputParams const &) const;
 	/// return the caption text
@@ -35,61 +35,61 @@ public:
 	/// return the caption text as HTML
 	docstring getCaptionAsHTML(XMLStream & os, OutputParams const &) const;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 private:
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 	///
-	RowFlags rowFlags() const { return Display; }
+	RowFlags rowFlags() const override { return Display; }
 	///
-	bool neverIndent() const { return true; }
+	bool neverIndent() const override { return true; }
 	///
-	bool forceLocalFontSwitch() const { return true; }
+	bool forceLocalFontSwitch() const override { return true; }
 	///
-	InsetCode lyxCode() const { return CAPTION_CODE; }
+	InsetCode lyxCode() const override { return CAPTION_CODE; }
 	///
 	void cursorPos(BufferView const & bv,
-		CursorSlice const & sl, bool boundary, int & x, int & y) const;
+		CursorSlice const & sl, bool boundary, int & x, int & y) const override;
 	///
-	bool descendable(BufferView const &) const { return true; }
+	bool descendable(BufferView const &) const override { return true; }
 	///
-	void metrics(MetricsInfo & mi, Dimension & dim) const;
+	void metrics(MetricsInfo & mi, Dimension & dim) const override;
 	///
-	void drawBackground(PainterInfo & pi, int x, int y) const;
+	void drawBackground(PainterInfo & pi, int x, int y) const override;
 	///
-	void draw(PainterInfo & pi, int x, int y) const;
+	void draw(PainterInfo & pi, int x, int y) const override;
 	/// Strike out the inset when deleted.
-	bool canPaintChange(BufferView const &) const { return true; }
+	bool canPaintChange(BufferView const &) const override { return true; }
 	///
-	void edit(Cursor & cur, bool front, EntryDirection entry_from);
+	void edit(Cursor & cur, bool front, EntryDirection entry_from) override;
 	///
-	Inset * editXY(Cursor & cur, int x, int y);
+	Inset * editXY(Cursor & cur, int x, int y) override;
 	///
-	bool insetAllowed(InsetCode code) const;
+	bool insetAllowed(InsetCode code) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const;
+	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const override;
 	// Update the counters of this inset and of its contents
-	void updateBuffer(ParIterator const &, UpdateType, bool const deleted);
+	void updateBuffer(ParIterator const &, UpdateType, bool const deleted) override;
 	///
-	void latex(otexstream & os, OutputParams const &) const;
+	void latex(otexstream & os, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream & os, OutputParams const & runparams) const;
+	docstring xhtml(XMLStream & os, OutputParams const & runparams) const override;
 	///
 	void addToToc(DocIterator const & di, bool output_active, UpdateType utype,
-	              TocBackend & backend) const;
+	              TocBackend & backend) const override;
 	///
-	virtual bool forcePlainLayout(idx_type = 0) const { return true; }
+	bool forcePlainLayout(idx_type = 0) const override { return true; }
 	/// Captions don't accept alignment, spacing, etc.
-	virtual bool allowParagraphCustomization(idx_type = 0) const { return false; }
+	bool allowParagraphCustomization(idx_type = 0) const override { return false; }
 	///
-	Inset * clone() const { return new InsetCaption(*this); }
+	Inset * clone() const override { return new InsetCaption(*this); }
 
 	///
 	mutable docstring full_label_;

src/insets/InsetCaptionable.h

@@ -45,11 +45,11 @@ protected:
 	virtual bool hasSubCaptions(ParIterator const &) const { return false; }
 	///
 	void addToToc(DocIterator const & di, bool output_active,
-				  UpdateType utype, TocBackend & backend) const;
+				  UpdateType utype, TocBackend & backend) const override;
 	/// Update the counters of this inset and of its contents
-	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false);
+	void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false) override;
 	///
-	bool insetAllowed(InsetCode) const;
+	bool insetAllowed(InsetCode) const override;
 private:
 	///
 	std::string caption_type_;

src/insets/InsetCitation.h

@@ -39,39 +39,39 @@ public:
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	bool isLabeled() const { return true; }
+	bool isLabeled() const override { return true; }
 	///
-	bool hasSettings() const { return true; }
+	bool hasSettings() const override { return true; }
 	///
-	docstring toolTip(BufferView const & bv, int x, int y) const;
+	docstring toolTip(BufferView const & bv, int x, int y) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const;
+	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const override;
 	///
-	InsetCode lyxCode() const { return CITE_CODE; }
+	InsetCode lyxCode() const override { return CITE_CODE; }
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void toString(odocstream &) const;
+	void toString(odocstream &) const override;
 	///
-	void forOutliner(docstring &, size_t const, bool const) const;
+	void forOutliner(docstring &, size_t const, bool const) const override;
 	///
-	void updateBuffer(ParIterator const & it, UpdateType, bool const deleted = false);
+	void updateBuffer(ParIterator const & it, UpdateType, bool const deleted = false) override;
 	///
 	void addToToc(DocIterator const & di, bool output_active,
-				  UpdateType utype, TocBackend & backend) const;
+				  UpdateType utype, TocBackend & backend) const override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	///
-	bool forceLTR(OutputParams const &) const;
+	bool forceLTR(OutputParams const &) const override;
 	//@}
 
 	/// \name Static public methods obligated for InsetCommand derived classes
@@ -111,13 +111,13 @@ private:
 	/// \name Private functions inherited from Inset class
 	//@{
 	///
-	Inset * clone() const { return new InsetCitation(*this); }
+	Inset * clone() const override { return new InsetCitation(*this); }
 	//@}
 
 	/// \name Private functions inherited from InsetCommand class
 	//@{
 	///
-	docstring screenLabel() const;
+	docstring screenLabel() const override;
 	//@}
 
 	///

src/insets/InsetCollapsible.h

@@ -43,45 +43,45 @@ public:
 	///
 	virtual ~InsetCollapsible();
 	///
-	InsetCollapsible * asInsetCollapsible() { return this; }
+	InsetCollapsible * asInsetCollapsible() override { return this; }
 	///
-	InsetCollapsible const * asInsetCollapsible() const { return this; }
+	InsetCollapsible const * asInsetCollapsible() const override { return this; }
 	///
-	docstring toolTip(BufferView const & bv, int x, int y) const;
+	docstring toolTip(BufferView const & bv, int x, int y) const override;
 	///
-	docstring layoutName() const { return from_ascii("Collapsible"); }
+	docstring layoutName() const override { return from_ascii("Collapsible"); }
 	///
-	void read(Lexer &);
+	void read(Lexer &) override;
 	///
-	void write(std::ostream &) const;
+	void write(std::ostream &) const override;
 
 	///
-	int topOffset(BufferView const * bv) const;
+	int topOffset(BufferView const * bv) const override;
 	///
-	int bottomOffset(BufferView const * bv) const;
+	int bottomOffset(BufferView const * bv) const override;
 
 	///
-	void metrics(MetricsInfo &, Dimension &) const;
+	void metrics(MetricsInfo &, Dimension &) const override;
 	///
-	void draw(PainterInfo & pi, int x, int y) const;
+	void draw(PainterInfo & pi, int x, int y) const override;
 	///
-	virtual void drawBackground(PainterInfo &, int, int) const {}
+	void drawBackground(PainterInfo &, int, int) const override {}
 
 	/// return x,y of given position relative to the inset's baseline
 	void cursorPos(BufferView const & bv, CursorSlice const & sl,
-		bool boundary, int & x, int & y) const;
+		bool boundary, int & x, int & y) const override;
 	///
 	docstring const getNewLabel(docstring const & l) const;
 	///
-	bool editable() const;
+	bool editable() const override;
 	///
-	bool hasSettings() const { return true; }
+	bool hasSettings() const override { return true; }
 	/// Returns true if coordinates are over the inset's button.
 	/// Always returns false when the inset does not have a
 	/// button.
-	bool clickable(BufferView const & bv, int x, int y) const;
+	bool clickable(BufferView const & bv, int x, int y) const override;
 	/// can we go further down on mouse click?
-	bool descendable(BufferView const & bv) const;
+	bool descendable(BufferView const & bv) const override;
 	///
 	void setLabel(docstring const & l);
 	///
@@ -141,37 +141,37 @@ public:
 	/// and of course decoration().
 	Geometry geometry(BufferView const & bv) const;
 	///
-	bool canPaintChange(BufferView const & bv) const;
+	bool canPaintChange(BufferView const & bv) const override;
 	///
-	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const;
+	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const override;
 	///
-	bool setMouseHover(BufferView const * bv, bool mouse_hover) const;
+	bool setMouseHover(BufferView const * bv, bool mouse_hover) const override;
 	///
-	ColorCode backgroundColor(PainterInfo const &) const
+	ColorCode backgroundColor(PainterInfo const &) const override
 		{ return getLayout().bgcolor(); }
 	///
-	ColorCode labelColor() const { return getLayout().labelfont().color(); }
+	ColorCode labelColor() const override { return getLayout().labelfont().color(); }
 	///
-	InsetCode lyxCode() const { return COLLAPSIBLE_CODE; }
+	InsetCode lyxCode() const override { return COLLAPSIBLE_CODE; }
 
 	///
-	virtual bool usePlainLayout() const { return true; }
+	bool usePlainLayout() const override { return true; }
 	///
-	std::string contextMenu(BufferView const & bv, int x, int y) const;
+	std::string contextMenu(BufferView const & bv, int x, int y) const override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	///
 	void addToToc(DocIterator const & dit, bool output_active,
-	              UpdateType utype, TocBackend & backend) const; //override
+	              UpdateType utype, TocBackend & backend) const override;
 
 protected:
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
 	void edit(Cursor & cur, bool front,
-		EntryDirection entry_from = ENTRY_DIRECTION_IGNORE);
+		EntryDirection entry_from = ENTRY_DIRECTION_IGNORE) override;
 	///
-	Inset * editXY(Cursor & cur, int x, int y);
+	Inset * editXY(Cursor & cur, int x, int y) override;
 	///
 	mutable CollapseStatus status_;
         ///

src/insets/InsetCommand.h

@@ -43,9 +43,9 @@ public:
 	///
 	virtual ~InsetCommand();
 	///
-	InsetCommand * asInsetCommand() { return this; }
+	InsetCommand * asInsetCommand() override { return this; }
 	///
-	InsetCommand const * asInsetCommand() const { return this; }
+	InsetCommand const * asInsetCommand() const override { return this; }
 
 	/// \return true if params are successfully read
 	static bool string2params(std::string const & data,
@@ -70,41 +70,41 @@ public:
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	void write(std::ostream & os) const { p_.write(os); }
+	void write(std::ostream & os) const override { p_.write(os); }
 	///
-	void read(Lexer & lex) { p_.Read(lex, &buffer()); }
+	void read(Lexer & lex) override { p_.Read(lex, &buffer()); }
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const;
+	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const override;
 	///
-	void metrics(MetricsInfo &, Dimension &) const;
+	void metrics(MetricsInfo &, Dimension &) const override;
 	///
-	void draw(PainterInfo & pi, int x, int y) const;
+	void draw(PainterInfo & pi, int x, int y) const override;
 	///
-	virtual void drawBackground(PainterInfo &, int, int) const {}
+	void drawBackground(PainterInfo &, int, int) const override {}
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	void validate(LaTeXFeatures & features) const;
+	void validate(LaTeXFeatures & features) const override;
 	///
-	bool setMouseHover(BufferView const * bv, bool mouse_hover) const;
+	bool setMouseHover(BufferView const * bv, bool mouse_hover) const override;
 	///
-	bool clickable(BufferView const &, int, int) const { return hasSettings(); }
+	bool clickable(BufferView const &, int, int) const override { return hasSettings(); }
 	//@}
 
 protected:
 	/// \name Methods relaying to the InsetCommandParams p_
 	//@{
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	///
-	bool showInsetDialog(BufferView * bv) const;
+	bool showInsetDialog(BufferView * bv) const override;
 	//@}
 
 protected:

src/insets/InsetCounter.h

@@ -25,31 +25,31 @@ public:
 	/// \name Public functions inherited from Inset class
 	//@{
 	///
-	bool isLabeled() const { return true; }
+	bool isLabeled() const override { return true; }
 	///
-	docstring toolTip(BufferView const &, int, int) const
+	docstring toolTip(BufferView const &, int, int) const override
 		{ return tooltip_; }
 	///
-	bool hasSettings() const { return true; }
+	bool hasSettings() const override { return true; }
 	///
-	InsetCode lyxCode() const { return COUNTER_CODE; }
+	InsetCode lyxCode() const override { return COUNTER_CODE; }
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void toString(odocstream &) const;
+	void toString(odocstream &) const override;
 	///
-	void validate(LaTeXFeatures & features) const;
+	void validate(LaTeXFeatures & features) const override;
 	///
-	void updateBuffer(ParIterator const & it, UpdateType, bool const);
+	void updateBuffer(ParIterator const & it, UpdateType, bool const) override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	//@}
 
 	/// \name Static public methods obligated for InsetCommand derived classes
@@ -73,13 +73,13 @@ private:
 	/// \name Private functions inherited from Inset class
 	//@{
 	///
-	Inset * clone() const { return new InsetCounter(*this); }
+	Inset * clone() const override { return new InsetCounter(*this); }
 	//@}
 
 	/// \name Private functions inherited from InsetCommand class
 	//@{
 	///
-	docstring screenLabel() const { return screen_label_; }
+	docstring screenLabel() const override { return screen_label_; }
 	//@}
 	///
 	docstring lyxSaveCounter() const;

src/insets/InsetERT.h

@@ -39,38 +39,38 @@ public:
 	///
 	static std::string params2string(CollapseStatus);
 
-	std::string contextMenuName() const
+	std::string contextMenuName() const override
 		{ return "context-ert"; }
 private:
 	///
-	InsetCode lyxCode() const { return ERT_CODE; }
+	InsetCode lyxCode() const override { return ERT_CODE; }
 	///
-	docstring layoutName() const { return from_ascii("ERT"); }
+	docstring layoutName() const override { return from_ascii("ERT"); }
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	void validate(LaTeXFeatures &) const {}
+	void validate(LaTeXFeatures &) const override {}
 	/// should paragraph indentation be omitted in any case?
-	bool neverIndent() const { return true; }
+	bool neverIndent() const override { return true; }
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const;
+	bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus &) const override;
  	///
-	Inset * clone() const { return new InsetERT(*this); }
+	Inset * clone() const override { return new InsetERT(*this); }
 	///
-	docstring const buttonLabel(BufferView const & bv) const;
+	docstring const buttonLabel(BufferView const & bv) const override;
 	///
-	bool allowSpellCheck() const { return false; }
+	bool allowSpellCheck() const override { return false; }
 	///
-	bool insetAllowed(InsetCode code) const { return code == QUOTE_CODE; }
+	bool insetAllowed(InsetCode code) const override { return code == QUOTE_CODE; }
 };
 
 

src/insets/InsetExternal.h

@@ -110,60 +110,60 @@ public:
 	/// Update not loaded previews
 	void updatePreview() const;
 	/// \returns the number of rows (\n's) of generated code.
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
-	std::string contextMenuName() const;
+	std::string contextMenuName() const override;
 	///
-	bool setMouseHover(BufferView const * bv, bool mouse_hover) const;
+	bool setMouseHover(BufferView const * bv, bool mouse_hover) const override;
 	///
-	bool clickable(BufferView const &, int, int) const { return true; }
+	bool clickable(BufferView const &, int, int) const override { return true; }
 	///
 	void addToToc(DocIterator const & di, bool output_active,
-				  UpdateType utype, TocBackend & backend) const;
+				  UpdateType utype, TocBackend & backend) const override;
 	///
-	InsetCode lyxCode() const { return EXTERNAL_CODE; }
+	InsetCode lyxCode() const override { return EXTERNAL_CODE; }
 	///
-	bool hasSettings() const { return true; }
+	bool hasSettings() const override { return true; }
 
 	///
-	int topOffset(BufferView const *) const { return 0; }
+	int topOffset(BufferView const *) const override { return 0; }
 	///
-	int bottomOffset(BufferView const *) const { return 0; }
+	int bottomOffset(BufferView const *) const override { return 0; }
 	///
-	int leftOffset(BufferView const *) const { return 0; }
+	int leftOffset(BufferView const *) const override { return 0; }
 	///
-	int rightOffset(BufferView const *) const { return 0; }
+	int rightOffset(BufferView const *) const override { return 0; }
 
 	///
-	void metrics(MetricsInfo &, Dimension &) const;
+	void metrics(MetricsInfo &, Dimension &) const override;
 	///
-	void draw(PainterInfo & pi, int x, int y) const;
+	void draw(PainterInfo & pi, int x, int y) const override;
 	///
-	void write(std::ostream &) const;
+	void write(std::ostream &) const override;
 	///
-	void read(Lexer & lex);
+	void read(Lexer & lex) override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
 	void generateXML(XMLStream &, OutputParams const &, std::string const &) const;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	/// For now, this does nothing. Someone who knows about this
 	/// should see what needs doing for XHTML output.
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	/// Update needed features for this inset.
-	void validate(LaTeXFeatures & features) const;
+	void validate(LaTeXFeatures & features) const override;
 	///
-	void addPreview(DocIterator const &, graphics::PreviewLoader &) const;
+	void addPreview(DocIterator const &, graphics::PreviewLoader &) const override;
 	///
-	bool showInsetDialog(BufferView * bv) const;
+	bool showInsetDialog(BufferView * bv) const override;
 	///
-	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const;
+	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	Inset * clone() const { return new InsetExternal(*this); }
+	Inset * clone() const override { return new InsetExternal(*this); }
 	/** Slot receiving a signal that the external file has changed
 	 *  and the preview should be regenerated.
 	 */

src/insets/InsetFlex.h

@@ -25,26 +25,26 @@ public:
 	///
 	InsetFlex(Buffer *, std::string const & layoutName);
 	///
-	docstring layoutName() const { return from_utf8("Flex:" + name_); }
+	docstring layoutName() const override { return from_utf8("Flex:" + name_); }
 	///
-	InsetLayout const & getLayout() const;
+	InsetLayout const & getLayout() const override;
 	///
-	InsetCode lyxCode() const { return FLEX_CODE; }
+	InsetCode lyxCode() const override { return FLEX_CODE; }
 	/// Default looks
-	InsetLayout::InsetDecoration decoration() const;
+	InsetLayout::InsetDecoration decoration() const override;
 	///
-	void write(std::ostream &) const;
+	void write(std::ostream &) const override;
 	/// should paragraph indentation be omitted in any case?
-	bool neverIndent() const { return true; }
+	bool neverIndent() const override { return true; }
 	///
-	bool hasSettings() const { return false; }
+	bool hasSettings() const override { return false; }
 	///
 	bool getStatus(Cursor & cur, FuncRequest const & cmd,
-		FuncStatus &) const;
+		FuncStatus &) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	void updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted = false);
+	void updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted = false) override;
 
 protected:
 	///
@@ -52,7 +52,7 @@ protected:
 
 private:
 	///
-	Inset * clone() const { return new InsetFlex(*this); }
+	Inset * clone() const override { return new InsetFlex(*this); }
 	///
 	std::string name_;
 };

src/insets/InsetFloat.h

@@ -73,57 +73,57 @@ public:
 	///
 	InsetFloatParams const & params() const { return params_; }
 	///
-	bool allowsCaptionVariation(std::string const &) const;
+	bool allowsCaptionVariation(std::string const &) const override;
 	///
-	LyXAlignment contentAlignment() const;
+	LyXAlignment contentAlignment() const override;
 	///
-	bool forceParDirectionSwitch() const { return true; }
+	bool forceParDirectionSwitch() const override { return true; }
 private:
 	///
-	void setCaptionType(std::string const & type);
+	void setCaptionType(std::string const & type) override;
 	///
-	docstring layoutName() const;
+	docstring layoutName() const override;
 	///
-	docstring toolTip(BufferView const & bv, int x, int y) const;
+	docstring toolTip(BufferView const & bv, int x, int y) const override;
 	///
-	void write(std::ostream & os) const;
+	void write(std::ostream & os) const override;
 	///
-	void read(Lexer & lex);
+	void read(Lexer & lex) override;
 	///
-	void validate(LaTeXFeatures & features) const;
+	void validate(LaTeXFeatures & features) const override;
 	///
-	InsetCode lyxCode() const { return FLOAT_CODE; }
+	InsetCode lyxCode() const override { return FLOAT_CODE; }
 	///
-	void latex(otexstream &, OutputParams const &) const;
+	void latex(otexstream &, OutputParams const &) const override;
 	///
 	int plaintext(odocstringstream & ods, OutputParams const & op,
-	              size_t max_length = INT_MAX) const;
+	              size_t max_length = INT_MAX) const override;
 	///
-	void docbook(XMLStream &, OutputParams const &) const;
+	void docbook(XMLStream &, OutputParams const &) const override;
 	///
-	docstring xhtml(XMLStream &, OutputParams const &) const;
+	docstring xhtml(XMLStream &, OutputParams const &) const override;
 	///
-	bool insetAllowed(InsetCode) const;
+	bool insetAllowed(InsetCode) const override;
 	/** returns false if, when outputting LaTeX, font changes should
 	    be closed before generating this inset. This is needed for
 	    insets that may contain several paragraphs */
-	bool inheritFont() const { return false; }
+	bool inheritFont() const override { return false; }
 	///
-	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const;
+	bool getStatus(Cursor &, FuncRequest const &, FuncStatus &) const override;
 	///
-	bool hasSubCaptions(ParIterator const & it) const;
+	bool hasSubCaptions(ParIterator const & it) const override;
 	///
-	void doDispatch(Cursor & cur, FuncRequest & cmd);
+	void doDispatch(Cursor & cur, FuncRequest & cmd) override;
 	///
-	Inset * clone() const { return new InsetFloat(*this); }
+	Inset * clone() const override { return new InsetFloat(*this); }
 	/// Is the content of this inset part of the immediate (visible) text sequence?
-	bool isPartOfTextSequence() const { return false; }
+	bool isPartOfTextSequence() const override { return false; }
 	///
 	TexString getCaption(OutputParams const &) const;
 	///
 	std::string getAlignment() const;
 	///
-	OutputParams::CtObject CtObject(OutputParams const &) const { return OutputParams::CT_OMITOBJECT; }
+	OutputParams::CtObject CtObject(OutputParams const &) const override { return OutputParams::CT_OMITOBJECT; }
 
 	InsetFloatParams params_;
 };