The Ring programming language version 1.8 book - Part 102 of 202

1. Ring Documentation, Release 1.8
• void setSize(QSizeF size)
• QSizeF size(void)
82.62 QGridLayout Class
C++ Reference : http://doc.qt.io/qt-5/QGridLayout.html
Parameters : void
• void addItem(QLayoutItem * item, int row, int column, int rowSpan , int columnSpan , Qt::Alignment alignment
)
• void addLayout(QLayout * layout, int row, int column, Qt::Alignment alignment )
• void addLayout_2(QLayout * layout, int row, int column, int rowSpan, int columnSpan, Qt::Alignment align-
ment )
• void addWidget(QWidget * widget, int row, int column, Qt::Alignment alignment )
• void addWidget_2(QWidget * widget, int fromRow, int fromColumn, int rowSpan, int columnSpan,
Qt::Alignment alignment )
• QRect cellRect(int row, int column)
• int columnCount(void)
• int columnMinimumWidth(int column)
• int columnStretch(int column)
• void getItemPosition(int index, int * row, int * column, int * rowSpan, int * columnSpan)
• int horizontalSpacing(void)
• QLayoutItem * itemAtPosition(int row, int column)
• Qt::Corner originCorner(void)
• int rowCount(void)
• int rowMinimumHeight(int row)
• int rowStretch(int row)
• void setColumnMinimumWidth(int column, int minSize)
• void setColumnStretch(int column, int stretch)
• void setHorizontalSpacing(int spacing)
• void setOriginCorner(Qt::Corner corner)
• void setRowMinimumHeight(int row, int minSize)
• void setRowStretch(int row, int stretch)
• void setSpacing(int spacing)
• void setVerticalSpacing(int spacing)
• int spacing(void)
• int verticalSpacing(void)
82.62. QGridLayout Class 981

2. Ring Documentation, Release 1.8
82.63 QGuiApplication Class
C++ Reference : http://doc.qt.io/qt-5/QGuiApplication.html
Parent Class : QCoreApplication
Parameters : int,char **
• qreal devicePixelRatio(void)
• bool isSavingSession(void)
• bool isSessionRestored(void)
• QString sessionId(void)
• QString sessionKey(void)
• QWindowList allWindows(void)
• QString applicationDisplayName(void)
• Qt::ApplicationState applicationState(void)
• void changeOverrideCursor(QCursor cursor)
• QClipboard * clipboard(void)
• bool desktopSettingsAware(void)
• int exec(void)
• QObject * focusObject(void)
• QWindow * focusWindow(void)
• QFont font(void)
• QInputMethod * inputMethod(void)
• bool isLeftToRight(void)
• bool isRightToLeft(void)
• Qt::KeyboardModifiers keyboardModifiers(void)
• Qt::LayoutDirection layoutDirection(void)
• QWindow * modalWindow(void)
• Qt::MouseButtons mouseButtons(void)
• QCursor * overrideCursor(void)
• QPalette palette(void)
• QString platformName(void)
• QPlatformNativeInterface * platformNativeInterface(void)
• QScreen * primaryScreen(void)
• Qt::KeyboardModifiers queryKeyboardModifiers(void)
• bool quitOnLastWindowClosed(void)
• void restoreOverrideCursor(void)
• QList<QScreen *> screens(void)
82.63. QGuiApplication Class 982

3. Ring Documentation, Release 1.8
• void setApplicationDisplayName(QString name)
• void setDesktopSettingsAware(bool on)
• void setFont(QFont font)
• void setLayoutDirection(Qt::LayoutDirection direction)
• void setOverrideCursor(QCursor cursor)
• void setPalette(QPalette pal)
• void setQuitOnLastWindowClosed(bool quit)
• QStyleHints * styleHints(void)
• void sync(void)
• QWindow * topLevelAt(QPoint pos)
• QWindowList topLevelWindows(void)
• void setapplicationDisplayNameChangedEvent(const char *)
• void setapplicationStateChangedEvent(const char *)
• void setcommitDataRequestEvent(const char *)
• void setfocusObjectChangedEvent(const char *)
• void setfocusWindowChangedEvent(const char *)
• void setfontDatabaseChangedEvent(const char *)
• void setlastWindowClosedEvent(const char *)
• void setlayoutDirectionChangedEvent(const char *)
• void setpaletteChangedEvent(const char *)
• void setprimaryScreenChangedEvent(const char *)
• void setsaveStateRequestEvent(const char *)
• void setscreenAddedEvent(const char *)
• void setscreenRemovedEvent(const char *)
• const char *getapplicationDisplayNameChangedEvent(void)
• const char *getapplicationStateChangedEvent(void)
• const char *getcommitDataRequestEvent(void)
• const char *getfocusObjectChangedEvent(void)
• const char *getfocusWindowChangedEvent(void)
• const char *getfontDatabaseChangedEvent(void)
• const char *getlastWindowClosedEvent(void)
• const char *getlayoutDirectionChangedEvent(void)
• const char *getpaletteChangedEvent(void)
• const char *getprimaryScreenChangedEvent(void)
• const char *getsaveStateRequestEvent(void)
• const char *getscreenAddedEvent(void)
82.63. QGuiApplication Class 983

4. Ring Documentation, Release 1.8
• const char *getscreenRemovedEvent(void)
82.64 QHBoxLayout Class
C++ Reference : http://doc.qt.io/qt-5/QHBoxLayout.html
Parameters : void
Parent Class : QBoxLayout
• void addLayout(QLayout *)
82.65 QHeaderView Class
C++ Reference : http://doc.qt.io/qt-5/QHeaderView.html
Parameters : Qt::Orientation, QWidget *
Parent Class : QAbstractItemView
• bool cascadingSectionResizes(void)
• int count(void)
• Qt::Alignment defaultAlignment(void)
• int defaultSectionSize(void)
• int hiddenSectionCount(void)
• void hideSection(int logicalIndex)
• bool highlightSections(void)
• bool isSectionHidden(int logicalIndex)
• bool isSortIndicatorShown(void)
• int length(void)
• int logicalIndex(int visualIndex)
• int logicalIndexAt(int position)
• int logicalIndexAt_2(int x, int y)
• int logicalIndexAt_3( QPoint pos)
• int maximumSectionSize(void)
• int minimumSectionSize_2(void)
• void moveSection(int from, int to)
• int offset(void)
• Qt::Orientation orientation(void)
• int resizeContentsPrecision(void)
• void resizeSection(int logicalIndex, int size)
• void resizeSections(QHeaderView::ResizeMode mode)
• bool restoreState( QByteArray state)
82.64. QHBoxLayout Class 984

5. Ring Documentation, Release 1.8
• QByteArray saveState(void)
• int sectionPosition(int logicalIndex)
• QHeaderView::ResizeMode sectionResizeMode(int logicalIndex)
• int sectionSize(int logicalIndex)
• int sectionSizeHint(int logicalIndex)
• int sectionViewportPosition(int logicalIndex)
• bool sectionsClickable(void)
• bool sectionsHidden(void)
• bool sectionsMovable(void)
• bool sectionsMoved(void)
• void setCascadingSectionResizes(bool enable)
• void setDefaultAlignment(Qt::Alignment alignment)
• void setDefaultSectionSize(int size)
• void setHighlightSections(bool highlight)
• void setMaximumSectionSize(int size)
• void setMinimumSectionSize(int size)
• void setResizeContentsPrecision(int precision)
• void setSectionHidden(int logicalIndex, bool hide)
• void setSectionResizeMode(QHeaderView::ResizeMode mode)
• void setSectionResizeMode_2(int logicalIndex, QHeaderView::ResizeMode mode)
• void setSectionsClickable(bool clickable)
• void setSectionsMovable(bool movable)
• void setSortIndicator(int logicalIndex, Qt::SortOrder order)
• void setSortIndicatorShown(bool show)
• void setStretchLastSection(bool stretch)
• void showSection(int logicalIndex)
• Qt::SortOrder sortIndicatorOrder(void)
• int sortIndicatorSection(void)
• bool stretchLastSection(void)
• int stretchSectionCount(void)
• 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)
82.65. QHeaderView Class 985

6. Ring Documentation, Release 1.8
• 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)
82.66 QHostAddress Class
C++ Reference : http://doc.qt.io/qt-5/QHostAddress.html
Parameters : void
• void clear(void)
• bool isInSubnet(QHostAddress, int netmask)
• bool isNull(void)
• int protocol(void)
• QString scopeId(void)
• bool setAddress(QString)
• int toIPv4Address(void)
• Q_IPV6ADDR toIPv6Address(void)
• QString toString(void)
82.66. QHostAddress Class 986

7. Ring Documentation, Release 1.8
82.67 QHostInfo Class
C++ Reference : http://doc.qt.io/qt-5/QHostInfo.html
Parameters : void
• int error(void)
• QString errorString(void)
• QString hostName(void)
• int lookupId(void)
• void setError(QHostInfo::HostInfoError error)
• void setErrorString(QString)
• void setHostName(QString)
• void setLookupId(int id)
• void abortHostLookup(int id)
• QHostInfo fromName(QString)
• QString localDomainName(void)
• QString localHostName(void)
82.68 QIODevice Class
C++ Reference : http://doc.qt.io/qt-5/QIODevice.html
Parameters : void
• QString errorString(void)
• bool getChar(char *c)
• bool isOpen(void)
• bool isReadable(void)
• bool isTextModeEnabled(void)
• bool isWritable(void)
• int openMode(void)
• int peek(char *data, int maxSize)
• int read(char *data, int maxSize)
• int readLine(char *data, int maxSize)
• void ungetChar(char c)
• int write(const char *data, int maxSize)
• bool atEnd(void)
• bool canReadLine(void)
• void close(void)
• bool open(QIODevice::OpenMode flags)
82.67. QHostInfo Class 987

8. Ring Documentation, Release 1.8
• qint64 pos(void)
• bool seek(qint64 pos)
• qint64 size(void)
• void setaboutToCloseEvent(const char *)
• void setbytesWrittenEvent(const char *)
• void setreadChannelFinishedEvent(const char *)
• void setreadyReadEvent(const char *)
• const char *getaboutToCloseEvent(void)
• const char *getbytesWrittenEvent(void)
• const char *getreadChannelFinishedEvent(void)
• const char *getreadyReadEvent(void)
82.69 QIcon Class
C++ Reference : http://doc.qt.io/qt-5/QIcon.html
Parameters : QPixmap
82.70 QImage Class
C++ Reference : http://doc.qt.io/qt-5/QImage.html
Parameters : void
• bool allGray(void)
• int bitPlaneCount(void)
• uchar *bits(void)
• int byteCount(void)
• int bytesPerLine(void)
• qint64 cacheKey(void)
• QRgb color(int i)
• int colorCount(void)
• const uchar *constBits(void)
• const uchar *constScanLine(int i)
• QImage convertToFormat(QImage::Format format, Qt::ImageConversionFlags flags)
• QImage copy(int x, int y, int width, int height)
• QImage createAlphaMask(Qt::ImageConversionFlags flags)
• QImage createHeuristicMask(bool clipTight)
• QImage createMaskFromColor(QRgb color, Qt::MaskMode mode)
• int depth(void)
82.69. QIcon Class 988

9. Ring Documentation, Release 1.8
• int dotsPerMeterX(void)
• int dotsPerMeterY(void)
• void fill(QColor)
• QImage::Format format(void)
• bool hasAlphaChannel(void)
• int height(void)
• void invertPixels(QImage::InvertMode mode)
• bool isGrayscale(void)
• bool isNull(void)
• bool load(QString, const char *format) # In RingQt use : bool loadimage(QString, const char *format)
• bool loadFromData(QByteArray, const char * format)
• QImage mirrored(bool horizontal, bool vertical)
• QPoint offset(void)
• QRgb pixel(int x, int y)
• int pixelIndex(int x, int y)
• QRect rect(void)
• QImage rgbSwapped(void)
• bool save(QString, const char * format, int quality)
• QImage scaled(int width, int height, Qt::AspectRatioMode aspectRatioMode, Qt::TransformationMode trans-
formMode)
• QImage scaledToHeight(int height, Qt::TransformationMode mode )
• QImage scaledToWidth(int width, Qt::TransformationMode mode)
• uchar *scanLine(int i)
• void setColor(int index, QRgb colorValue)
• void setColorCount(int colorCount)
• void setDotsPerMeterX(int x)
• void setDotsPerMeterY(int y)
• void setOffset(QPoint)
• void setPixel(int x, int y, uint index_or_rgb)
• void setText(QString,QString)
• QSize size(void)
• void swap(QImage)
• QString text(QString)
• QStringList textKeys(void)
• QImage transformed(QMatrix, Qt::TransformationMode mode)
• bool valid(int x, int y)
82.70. QImage Class 989

10. Ring Documentation, Release 1.8
• int width(void)
82.71 QInputDialog Class
C++ Reference : http://doc.qt.io/qt-5/QInputDialog.html
Parameters : QWidget *
Parent Class : QDialog
• QString cancelButtonText(void)
• QStringList comboBoxItems(void)
• int doubleDecimals(void)
• double doubleMaximum(void)
• double doubleMinimum(void)
• double doubleValue(void)
• int inputMode(void)
• int intMaximum(void)
• int intMinimum(void)
• int intStep(void)
• int intValue(void)
• bool isComboBoxEditable(void)
• QString labelText(void)
• QString okButtonText(void)
• void open(QObject *receiver, const char *member)
• int options(void)
• void setCancelButtonText(QString)
• void setComboBoxEditable(bool editable)
• void setComboBoxItems(QStringList)
• void setDoubleDecimals(int decimals)
• void setDoubleMaximum(double max)
• void setDoubleMinimum(double min)
• void setDoubleRange(double min, double max)
• void setDoubleValue(double value)
• void setInputMode(QInputDialog::InputMode mode)
• void setIntMaximum(int max)
• void setIntMinimum(int min)
• void setIntRange(int min, int max)
• void setIntStep(int step)
82.71. QInputDialog Class 990