The Ring programming language version 1.3 book - Part 80 of 88

1. Ring Documentation, Release 1.3
• void swapSections(int first, int second)
• int visualIndex(int logicalIndex)
• int visualIndexAt(int position)
• void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast)
• void setOffset(int offset)
• void setOffsetToLastSection(void)
• void setOffsetToSectionPosition(int visualSectionNumber)
• void setgeometriesChangedEvent(const char *)
• void setsectionClickedEvent(const char *)
• void setsectionCountChangedEvent(const char *)
• void setsectionDoubleClickedEvent(const char *)
• void setsectionEnteredEvent(const char *)
• void setsectionHandleDoubleClickedEvent(const char *)
• void setsectionMovedEvent(const char *)
• void setsectionPressedEvent(const char *)
• void setsectionResizedEvent(const char *)
• void setsortIndicatorChangedEvent(const char *)
• const char *getgeometriesChangedEvent(void)
• const char *getsectionClickedEvent(void)
• const char *getsectionCountChangedEvent(void)
• const char *getsectionDoubleClickedEvent(void)
• const char *getsectionEnteredEvent(void)
• const char *getsectionHandleDoubleClickedEvent(void)
• const char *getsectionMovedEvent(void)
• const char *getsectionPressedEvent(void)
• const char *getsectionResizedEvent(void)
• const char *getsortIndicatorChangedEvent(void)
• void geteventparameters(void)
67.141 QFontMetrics Class
C++ Reference : http://doc.qt.io/qt-5/QFontMetrics.html
Parameters : QFont
• int ascent(void)
• int averageCharWidth(void)
• QRect boundingRect(QChar ch)
67.141. QFontMetrics Class 768

2. Ring Documentation, Release 1.3
• QRect boundingRect_2( QString text)
• QRect boundingRect_3(int x, int y, int width, int height, int flags, QString text, int tabStops , int * tabArray )
• QRect boundingRect_4( QRect rect, int flags, QString text, int tabStops , int * tabArray )
• int descent(void)
• QString elidedText( QString text, Qt::TextElideMode mode, int width, int flags )
• int height(void)
• bool inFont(QChar ch)
• bool inFontUcs4(uint character)
• int leading(void)
• int leftBearing(QChar ch)
• int lineSpacing(void)
• int lineWidth(void)
• int maxWidth(void)
• int minLeftBearing(void)
• int minRightBearing(void)
• int overlinePos(void)
• int rightBearing(QChar ch)
• QSize size(int flags, QString text, int tabStops , int * tabArray )
• int strikeOutPos(void)
• QRect tightBoundingRect( QString text)
• int underlinePos(void)
• int width( QString text, int len )
• int width_2(QChar ch)
• int xHeight(void)
67.142 QSplashScreen Class
C++ Reference : http://doc.qt.io/qt-5/QSplashScreen.html
Parameters : QPixmap
Parent Class : QWidget
• void finish(QWidget *mainWin)
• QPixmap pixmap(void)
• void repaint(void)
• void setPixmap(QPixmap pixmap)
• void clearMessage(void)
• void showMessage(QString message, int alignment ,QColor color)
67.142. QSplashScreen Class 769

3. Ring Documentation, Release 1.3
67.143 QBoxLayout Class
C++ Reference : http://doc.qt.io/qt-5/QBoxLayout.html
Parameters : QBoxLayout::Direction dir, QWidget *parent
Parent Class : QLayout
• void addLayout(QLayout * layout, int stretch )
• void addSpacerItem(QSpacerItem * spacerItem)
• void addSpacing(int size)
• void addStretch(int stretch )
• void addStrut(int size)
• void addWidget(QWidget * widget, int stretch , Qt::Alignment alignment )
• QBoxLayout::Direction direction(void)
• void insertLayout(int index, QLayout * layout, int stretch )
• void insertSpacerItem(int index, QSpacerItem * spacerItem)
• void insertSpacing(int index, int size)
• void insertStretch(int index, int stretch )
• void insertWidget(int index, QWidget * widget, int stretch , Qt::Alignment alignment )
• void setDirection(QBoxLayout::Direction direction)
• void setSpacing(int spacing)
• void setStretch(int index, int stretch)
• bool setStretchFactor(QWidget * widget, int stretch)
• bool setStretchFactor_2(QLayout * layout, int stretch)
• int spacing(void)
• int stretch(int index)
67.144 QLayout Class
C++ Reference : http://doc.qt.io/qt-5/QLayout.html
Parameters : QWidget *
Parent Class : QObject
• bool activate(void)
• void addWidget(QWidget *w)
• QMargins contentsMargins(void)
• QRect contentsRect(void)
• void getContentsMargins(int *left, int *top, int *right, int *bottom)
• bool isEnabled(void)
• QWidget *menuBar(void)
67.143. QBoxLayout Class 770

4. Ring Documentation, Release 1.3
• QWidget *parentWidget(void)
• void removeItem(QLayoutItem *item)
• void removeWidget(QWidget *widget)
• bool setAlignment(QWidget *w, Qt::Alignment alignment)
• void setAlignment_2(Qt::Alignment alignment)
• bool setAlignment_3(QLayout *l, Qt::Alignment alignment)
• void setContentsMargins(int left, int top, int right, int bottom)
• void setContentsMargins_2(QMargins margins)
• void setEnabled(bool enable)
• void setMenuBar(QWidget *widget)
• void setSizeConstraint(QLayout::SizeConstraint)
• void setSpacing(int)
• QLayout::SizeConstraint sizeConstraint(void)
• int spacing(void)
• void update(void)
• QSize closestAcceptableSize( QWidget * widget, QSize size)
67.145 QLinearGradient Class
C++ Reference : http://doc.qt.io/qt-5/QLinearGradient.html
Parameters : void
Parent Class : QGradient
• QPointF finalStop(void)
• void setFinalStop(QPointF stop)
• void setFinalStop_2(qreal x,qreal y)
• void setStart(QPointF start)
• void setStart_2(qreal x,qreal y)
• QPointF start(void)
67.146 QGradient Class
C++ Reference : http://doc.qt.io/qt-5/QGradient.html
Parameters : void
• QGradient::CoordinateMode coordinateMode(void)
• void setColorAt(qreal position, QColor color)
• void setCoordinateMode(QGradient::CoordinateMode mode)
• void setSpread(QGradient::Spread method)
67.145. QLinearGradient Class 771

5. Ring Documentation, Release 1.3
• void setStops(QGradientStops stopPoints)
• QGradient::Spread spread(void)
• QGradientStops stops(void)
• QGradient::Type type(void)
67.147 QPointF Class
C++ Reference : http://doc.qt.io/qt-5/QPointF.html
Parameters : void
• bool isNull(void)
• qreal manhattanLength(void)
• qreal rx(void)
• qreal ry(void)
• void setX(qreal x)
• void setY(qreal y)
• QPoint toPoint(void)
• qreal x(void)
• qreal y(void)
67.148 QPoint Class
C++ Reference : http://doc.qt.io/qt-5/QPoint.html
Parameters : void
• bool isNull(void)
• int manhattanLength(void)
• int rx(void)
• int ry(void)
• void setX(int x)
• void setY(int y)
• int x(void)
• int y(void)
67.149 QScrollArea Class
C++ Reference : http://doc.qt.io/qt-5/QScrollArea.html
Parameters : QWidget *parent
Parent Class : QAbstractScrollArea
67.147. QPointF Class 772

6. Ring Documentation, Release 1.3
• Qt::Alignment alignment(void)
• void ensureVisible(int x, int y, int xmargin , int ymargin )
• void ensureWidgetVisible(QWidget *childWidget, int xmargin , int ymargin )
• void setAlignment(Qt::Alignment)
• void setWidget(QWidget *widget)
• void setWidgetResizable(bool resizable)
• QWidget *takeWidget(void)
• QWidget *widget(void)
• bool widgetResizable(void)
67.150 QSplitter Class
C++ Reference : http://doc.qt.io/qt-5/QSplitter.html
Parameters : QWidget *parent
Parent Class : QFrame
• void addWidget(QWidget *widget)
• bool childrenCollapsible(void)
• int count(void)
• void getRange(int index, int *min, int *max)
• QSplitterHandle * handle(int index)
• int handleWidth(void)
• int indexOf(QWidget *widget)
• void insertWidget(int index, QWidget *widget)
• bool isCollapsible(int index)
• bool opaqueResize(void)
• Qt::Orientation orientation(void)
• void refresh(void)
• bool restoreState( QByteArray state)
• QByteArray saveState(void)
• void setChildrenCollapsible(bool)
• void setCollapsible(int index, bool collapse)
• void setHandleWidth(int)
• void setOpaqueResize(bool opaque )
• void setOrientation(Qt::Orientation)
• void setSizes( QList<int> list)
• void setStretchFactor(int index, int stretch)
67.150. QSplitter Class 773

7. Ring Documentation, Release 1.3
• QList<int> sizes(void)
• QWidget * widget(int index)
67.151 QCompleter Class
C++ Reference : http://doc.qt.io/qt-5/QCompleter.html
Parameters : QObject *parent
Parent Class : QObject
• Qt::CaseSensitivity caseSensitivity(void)
• int completionColumn(void)
• int completionCount(void)
• QCompleter::CompletionMode completionMode(void)
• QAbstractItemModel *completionModel(void)
• QString completionPrefix(void)
• int completionRole(void)
• QString currentCompletion(void)
• QModelIndex currentIndex(void)
• int currentRow(void)
• Qt::MatchFlags filterMode(void)
• int maxVisibleItems(void)
• QAbstractItemModel * model(void)
• QCompleter::ModelSorting modelSorting(void)
• QAbstractItemView * popup(void)
• void setCaseSensitivity(Qt::CaseSensitivity caseSensitivity)
• void setCompletionColumn(int column)
• void setCompletionMode(QCompleter::CompletionMode mode)
• void setCompletionRole(int role)
• bool setCurrentRow(int row)
• void setFilterMode(Qt::MatchFlags filterMode)
• void setMaxVisibleItems(int maxItems)
• void setModel(QAbstractItemModel *model)
• void setModelSorting(QCompleter::ModelSorting sorting)
• void setPopup(QAbstractItemView *popup)
• void setWidget(QWidget *widget)
• QWidget * widget(void)
• bool wrapAround(void)
67.151. QCompleter Class 774

8. Ring Documentation, Release 1.3
• void complete(QRect rect)
• void setCompletionPrefix(QString prefix)
• void setWrapAround(bool wrap)
67.152 QCompleter2 Class
C++ Reference : http://doc.qt.io/qt-5/QCompleter2.html
Parameters : QAbstractItemModel *model, QObject *parent
Parent Class : QCompleter
67.153 QCompleter3 Class
C++ Reference : http://doc.qt.io/qt-5/QCompleter3.html
Parameters : QStringList list, QObject *parent
Parent Class : QCompleter
67.154 QString2 Class
C++ Reference : http://doc.qt.io/qt-5/QString2.html
Parameters : void
• QString append( QString str)
• QStringList split( QString sep, QString::SplitBehavior behavior , Qt::CaseSensitivity cs )
• QStringList split_2(QChar sep, QString::SplitBehavior behavior , Qt::CaseSensitivity cs )
• QStringList split_3( QRegExp rx, QString::SplitBehavior behavior )
• QStringList split_4( QRegularExpression re, QString::SplitBehavior behavior )
67.155 QProcess Class
C++ Reference : http://doc.qt.io/qt-5/QProcess.html
Parameters : QObject *
Parent Class : QIODevice
• QStringList arguments(void)
• void closeReadChannel(QProcess::ProcessChannel channel)
• void closeWriteChannel(void)
• QProcess::ProcessError error(void)
• int exitCode(void)
• QProcess::ExitStatus exitStatus(void)
67.152. QCompleter2 Class 775

9. Ring Documentation, Release 1.3
• QProcess::InputChannelMode inputChannelMode(void)
• QProcess::ProcessChannelMode processChannelMode(void)
• QProcessEnvironment processEnvironment(void)
• QString program(void)
• QByteArray readAllStandardError(void)
• QByteArray readAllStandardOutput(void)
• QProcess::ProcessChannel readChannel(void)
• void setArguments( QStringList arguments)
• void setInputChannelMode(QProcess::InputChannelMode mode)
• void setProcessChannelMode(QProcess::ProcessChannelMode mode)
• void setProcessEnvironment( QProcessEnvironment environment)
• void setProgram( QString program)
• void setReadChannel(QProcess::ProcessChannel channel)
• void setStandardErrorFile( QString fileName, QIODevice::OpenMode mode )
• void setStandardInputFile( QString fileName)
• void setStandardOutputFile( QString fileName, QIODevice::OpenMode mode )
• void setStandardOutputProcess(QProcess *destination)
• void setWorkingDirectory( QString dir)
• void start( QString program, QStringList arguments, QIODevice::OpenMode mode )
• void start_2( QString command, QIODevice::OpenMode mode )
• void start_3(QIODevice::OpenMode mode )
• QProcess::ProcessState state(void)
• bool waitForFinished(int msecs )
• bool waitForStarted(int msecs )
• QString workingDirectory(void)
• void kill(void)
• void terminate(void)
• void setreadyReadStandardErrorEvent(const char *)
• void setreadyReadStandardOutputEvent(const char *)
• const char *getreadyReadStandardErrorEvent(void)
• const char *getreadyReadStandardOutputEvent(void)
67.156 QMdiArea Class
C++ Reference : http://doc.qt.io/qt-5/QMdiArea.html
Parameters : QWidget *
67.156. QMdiArea Class 776

10. Ring Documentation, Release 1.3
Parent Class : QAbstractScrollArea
• QMdiArea::WindowOrder activationOrder(void)
• QMdiSubWindow * activeSubWindow(void)
• QMdiSubWindow * addSubWindow(QWidget * widget, Qt::WindowFlags windowFlags )
• QBrush background(void)
• QMdiSubWindow * currentSubWindow(void)
• bool documentMode(void)
• void removeSubWindow(QWidget * widget)
• void setActivationOrder(QMdiArea::WindowOrder order)
• void setBackground( QBrush background)
• void setDocumentMode(bool enabled)
• void setOption(QMdiArea::AreaOption option, bool on )
• void setTabPosition(QTabWidget::TabPosition position)
• void setTabShape(QTabWidget::TabShape shape)
• void setTabsClosable(bool closable)
• void setTabsMovable(bool movable)
• void setViewMode(QMdiArea::ViewMode mode)
• QList<QMdiSubWindow *> subWindowList(QMdiArea::WindowOrder order )
• QTabWidget::TabPosition tabPosition(void)
• QTabWidget::TabShape tabShape(void)
• bool tabsClosable(void)
• bool tabsMovable(void)
• bool testOption(QMdiArea::AreaOption option)
• QMdiArea::ViewMode viewMode(void)
• void activateNextSubWindow(void)
• void activatePreviousSubWindow(void)
• void cascadeSubWindows(void)
• void closeActiveSubWindow(void)
• void closeAllSubWindows(void)
• void setActiveSubWindow(QMdiSubWindow * window)
• void tileSubWindows(void)
67.157 QMdiSubWindow Class
C++ Reference : http://doc.qt.io/qt-5/QMdiSubWindow.html
Parameters : QWidget *
67.157. QMdiSubWindow Class 777