The Ring programming language version 1.7 book - Part 195 of 196

Ring Documentation, Release 1.7
Arithmetic Operators, 183
Assignment Operators, 184
Bitwise Operators, 184
Introduction, 182
Logical Operators, 183
Misc Operators, 184
Operators Precedence, 184
Relational Operators, 183
Using the Natural Library, 398
Operators Precedence
Operators, 184
Options
Distributing Ring Application using Ring2EXE, 784
OSCopyFile() Function
Stdlib Functions, 353
OSCopyFolder() Function
OSCreateOpenFolder() Function
OSDeleteFile() Function
OSDeleteFolder() Function
OSRenameFile() Function
Other Widgets Events
Desktop and Mobile Development, 652
packagename()
Reflection and Meta-programming, 336
Packages
Object Oriented Programming, 309
packages()
packagesclasses()
Page Class
Web Development (CGI Library), 450
palindrome()
Pass Error
The Trace Library and the Interactive Debugger, 814
Passing Lists to Functions
Lists, 222
Passing Parameters Arguments Using List Array
Lists, 224
Passing Parameters or Arguments Using List
Lists, 223
Performance
Command Line Options, 779
permutation()
Perror()
Files, 255
Philosophy behind data types in Ring
Frequently Asked Questions, 860
Play Sound
RingLibSDL, 481
Playing Sound
Game Engine for 2D Games, 499
Graphics and Game Programming, 470
pointer2object()
Low Level Functions, 794
Post Request
RingLibCurl, 455
Practical
Applications developed in little hours, 20
Prefix for Functions Names
Code Generator, 837
PrevFileName() Function
System Functions, 264
Print files in Zip file
RingZip, 459
Print List of ODBC Data Sources
ODBC Functions, 276
Print List of ODBC Drivers
ODBC Functions, 275
Print Query Result
MySQL Functions, 287
print()
Print2Str() Function
Printing Final Intermediate Code
Printing Instruction Operation Code
Printing Intermediate Code
Printing Objects
Printing Rules
Printing Tokens
Printing using QPrinter
Private Attributes and Methods
prodlist()
Program Structure
Introduction, 214
Load Package, 215
Source Code File Sections, 215
Using Many Source Code Files, 215
Project Folder
Index 1912

Building Games For Android, 541
Project Layers
Game Engine for 2D Games, 491
Protecting the Source Code
Distributing Ring Application, 781
ptrcmp()
Pure Functions
Functional Programming, 314
puts()
QAbstractButton Class
RingQt Classes Reference, 900
QAbstractItemView Class
QAbstractScrollArea Class
QAbstractSlider Class
QAbstractSocket Class
QAbstractSpinBox Class
QAction Class
QAllEvents Class
QApp Class
QAxBase Class
QAxObject Class
QBitmap Class
QBluetoothAddress Class
QBluetoothDeviceDiscoveryAgent Class
QBluetoothDeviceInfo Class
QBluetoothHostInfo Class
QBluetoothLocalDevice Class
QBoxLayout Class
QBrush Class
QBuffer Class
QButtonGroup Class
QByteArray Class
QCalendarWidget Class
QCamera Class
QCameraImageCapture Class
QCameraViewﬁnder Class
QCheckBox Class
QColor Class
QColorDialog Class
QComboBox Class
QCompleter Class
QCompleter2 Class
QCompleter3 Class
QCoreApplication Class
QCursor Class
QDate Class
QDateEdit Class
QDateTime Class
QDateTimeEdit Class
QDesktopServices Class
QDesktopWidget Class
QDial Class
QDialog Class
QDir Class
QDirModel Class
QDockWidget Class
QEvent Class
QFileDialog Class
Index 1913

QFileInfo Class
QFileSystemModel Class
QFont Class
QFontDialog Class
QFontMetrics Class
QFrame Class
QFrame2 Class
QFrame3 Class
QGradient Class
QGraphicsVideoItem Class
QGridLayout Class
QGuiApplication Class
QHBoxLayout Class
QHeaderView Class
QHostAddress Class
QHostInfo Class
QIcon Class
QImage Class
QInputDialog Class
QIODevice Class
QJsonArray Class
QJsonDocument Class
QJsonObject Class
QJsonParseError Class
QJsonValue Class
QKeySequence Class
QLabel Class
QLayout Class
QLCDNumber Class
QLinearGradient Class
QLineEdit Class
QLineEdit Events and QMessageBox
QListView Class
QListWidget Class
QListWidgetItem Class
QMainWindow Class
QMatrix4x4 Class
QMdiArea Class
QMdiSubWindow Class
QMediaObject Class
QMediaPlayer Class
QMediaPlaylist Class
QMenu Class
QMenuBar Class
QMessageBox Class
QMessagebox Example
QMutex Class
QMutexLocker Class
QNetworkAccessManager Class
QNetworkProxy Class
QNetworkReply Class
QNetworkRequest Class
QObject Class
QOpenGLBuffer Class
Index 1914

QOpenGLContext Class
QOpenGLDebugLogger Class
QOpenGLFramebufferObject Class
QOpenGLFunctions Class
QOpenGLFunctions_3_2_Core Class
QOpenGLPaintDevice Class
QOpenGLShader Class
QOpenGLShaderProgram Class
QOpenGLTexture Class
QOpenGLTimerQuery Class
QOpenGLVersionProﬁle Class
QOpenGLVertexArrayObject Class
QOpenGLWidget Class
QPaintDevice Class
QPainter Class
QPainter2 Class
QPainterPath Class
QPen Class
QPicture Class
QPixmap Class
QPixmap2 Class
QPlainTextEdit Class
QPoint Class
QPointF Class
QPrinter Class
QProcess Class
QProgressBar Class
QPushButton Class
QQuaternion Class
QRadioButton Class
QRect Class
QRegion Class
QRegularExpression Class
QRegularExpressionMatch Class
QRegularExpressionMatchIterator Class
QScreen Class
QScrollArea Class
QSerialPort Class
QSerialPortInfo Class
QSize Class
QSlider Class
QSpinBox Class
QSplashScreen Class
QSplitter Class
QSqlDatabase Class
QSqlDriver Class
QSqlDriverCreatorBase Class
QSqlError Class
QSqlField Class
QSqlIndex Class
QSqlQuery Class
QSqlRecord Class
QStackedWidget Class
QStatusBar Class
Index 1915

QString2 Class
QStringList Class
QStringRef Class
QSurfaceFormat Class
QSystemTrayIcon Class
Qt Class Convertor
What is new in Ring 1.4?, 108
Qt conﬁguration ﬁle
Code Generator, 844
QTableView Class
QTableWidget Class
QTableWidgetItem Class
QTabWidget Class
QTcpServer Class
QTcpSocket Class
QTest Class
QTextBlock Class
QTextBrowser Class
QTextCharFormat Class
QTextCodec Class
QTextCursor Class
QTextDocument Class
QTextEdit Class
QThread Class
QThreadPool Class
QTime Class
QTimer Class
QToolBar Class
QToolButton Class
QTreeView Class
QTreeWidget Class
QTreeWidgetItem Class
Queue Class
Stdlib Classes, 360
Quotes about Ring
QUrl Class
QUuid Class
QVariant Class
QVBoxLayout Class
QVector2D Class
QVector3D Class
QVector4D Class
QVideoWidget and QMediaPlayer
QVideoWidget Class
QVideoWidgetControl Class
QWebView Class
QWidget Class
QWindow Class
QXmlStreamAttribute Class
QXmlStreamAttributes Class
QXmlStreamEntityDeclaration Class
QXmlStreamEntityResolver Class
QXmlStreamNamespaceDeclaration Class
QXmlStreamNotationDeclaration Class
QXmlStreamReader Class
QXmlStreamWriter Class
Raise()
Index 1916

Eval() and Debugging, 268
RandBytes()
Security and Internet Functions, 299
Random Image
Random()
Mathematical Functions, 247
Read File using Read()
Files, 251
readline()
Real Natual Code
Natural Language Programming, 390
Recursion
Functions - First Style, 206
Functions - Second Style, 210
Functions - Third Style, 214
Reference
Compiler Errors, 889
Environment Errors, 891
Introduction, 886
Language Functions, 888
Language Grammar, 892
Language Keywords, 887
Runtime Errors, 890
Virtual Machine Instructions, 893
Reﬂection and Meta-programming
addattribute(), 331
addmethod(), 331
attributes(), 328
cfunctions(), 321
classes(), 325
classname(), 327
functions(), 321
getattribute(), 333
globals(), 320
Introduction, 318
isattribute(), 329
iscfunction(), 323
isclass(), 325
isfunction(), 322
isglobal(), 322
islocal(), 322
ismethod(), 330
isobject(), 328
ispackage(), 324
ispackagesclass(), 326
isprivateattribute(), 329
isprivatemethod(), 330
locals(), 320
mergemethods(), 335
methods(), 328
objectid(), 327
packagename(), 336
packages(), 323
packagesclasses(), 326
setattribute(), 334
Register New Functions
Code Generator, 838
Regular Expressions
Relational Operators
Operators, 183
Remove()
Files, 252
Rename()
Files, 252
Resources
Contact the Autor, 1894
Introduction, 1893
Ring Group, 1894
Ring Language Website, 1894
Restore Image From The Database
Return object by reference
Declarative Programming, 379
Return Self by Reference
Return Value
Extension, 825
Functions - First Style, 205
Functions - Second Style, 209
Functions - Third Style, 213
Reverse()
Lists, 220
Rewind()
Files, 254
Right()
Strings, 228
Ring and other languages
Introduction, 23
RING API - list Functions
Extension, 827
RING API - String Functions
Extension, 829
Ring CGI Hello World Program
Ring Group
Resources, 1894
Ring Language Website
Resources, 1894
Ring mode for Emacs Editor
Ring Notepad
Introduction, 160
Ring Notepad - Creating and running your ﬁrst con-
sole application, 161
Index 1917

Ring Notepad - Creating and running your first game,
167
Ring Notepad - Creating and running your first GUI
application, 164
Ring Notepad - Creating and running your first Web
application, 165
Ring Notepad - Main Window, 161
The Browser Menu, 172
The Distribute Menu, 173
The Edit Menu, 169
The File Menu, 169
The Help Menu, 173
The Main File in the Project, 168
The Program Menu, 172
The Tools Menu, 173
The View Menu, 170
Ring Notepad - Creating and running your first console
application
Ring Notepad, 161
Ring Notepad - Creating and running your first game
Ring Notepad, 167
Ring Notepad - Creating and running your first GUI ap-
plication
Ring Notepad, 164
Ring Notepad - Creating and running your first Web ap-
plication
Ring Notepad, 165
Ring Notepad - Main Window
Ring Notepad, 161
Ring State
Embedding Ring Language in C/C++ Programs, 832
Ring State Functions
Ring State Variables
Ring VM - Tracing Functions
ring_ext.c
Extension, 822
ring_ext.h
Extension, 822
ring_state_new() and ring_state_mainfile()
Embedding Ring in Ring, 820
ring_state_new() and ring_state_mainfile() functions
ring_state_setvar()
Embedding Ring in Ring, 819
RingAllegro Functions Reference
Introduction, 1100
RingCodeHighlighter Class
RingConsoleColors Extension
RingConsoleColors Functions Reference
Introduction, 1098
RingFreeGLUT Extension
RingFreeGLUT Functions Reference
Introduction, 1152
RingLibCurl
Facebook Login, 455
Get Request, 455
Get Stock Data From Yahoo, 457
Introduction, 454
Post Request, 455
Save output to string, 456
RingLibCurl Functions Reference
Introduction, 1088
RingLibSDL
Close Window Event, 479
Create Window, 476
Display Image, 476
Display PNG Images, 477
Display Transparent Images, 478
Draw Rectangle, 477
Introduction, 475
Mouse Events, 480
Play Sound, 481
Switch Between Two Images, 476
Use TTF Fonts, 478
RingLibSDL Functions Reference
Introduction, 1119
RingLibuv
Client Example, 485
Client Example - Using Classes, 488
First Application using RingLibuv, 483
Introduction, 482
Server Example, 484
Server Example using Classes, 487
The Events Loop, 484
Threads Example, 489
Threads Example - Using Classes, 490
RingLibuv Extension
RingLibuv Functions Reference
Introduction, 1143
RingLibZip Functions Reference
Introduction, 1097
RingMurmurHash Extension
RingMurmurHash Functions Reference
Example, 1087
Introduction, 1086
MurmurHash1 functions, 1087
Index 1918

RingOpenGL (OpenGL 1.1) Functions Reference
Introduction, 1161
Introduction, 1186
Introduction, 1212
Introduction, 1241
Introduction, 1271
Introduction, 1302
Introduction, 1336
Introduction, 1378
Introduction, 1423
Introduction, 1469
Introduction, 1516
Introduction, 1563
Introduction, 1610
Introduction, 1657
Introduction, 1704
Introduction, 1751
Introduction, 1798
Introduction, 1845
RingOpenGL Extension
RingQt Classes and their Qt Documentation
RingQt Classes Reference
CodeEditor Class, 900
Introduction, 899
QAbstractButton Class, 900
QAbstractItemView Class, 901
QAbstractScrollArea Class, 903
QAbstractSlider Class, 903
QAbstractSocket Class, 904
QAbstractSpinBox Class, 906
QAction Class, 906
QAllEvents Class, 908
QApp Class, 912
QAxBase Class, 912
QAxObject Class, 913
QBitmap Class, 913
QBluetoothAddress Class, 913
QBluetoothDeviceDiscoveryAgent Class, 913
QBluetoothDeviceInfo Class, 914
QBluetoothHostInfo Class, 914
QBluetoothLocalDevice Class, 915
QBoxLayout Class, 915
QBrush Class, 915
QBuffer Class, 916
QButtonGroup Class, 916
QByteArray Class, 917
QCalendarWidget Class, 919
QCamera Class, 920
QCameraImageCapture Class, 921
QCameraViewﬁnder Class, 922
QCheckBox Class, 922
QColor Class, 922
QColorDialog Class, 925
QComboBox Class, 925
QCompleter Class, 927
QCompleter2 Class, 928
QCompleter3 Class, 928
QCoreApplication Class, 928
QCursor Class, 929
QDate Class, 930
QDateEdit Class, 931
QDateTime Class, 931
QDateTimeEdit Class, 932
QDesktopServices Class, 933
QDesktopWidget Class, 934
QDial Class, 934
QDialog Class, 935
QDir Class, 935
QDirModel Class, 935
QDockWidget Class, 936
QEvent Class, 937
QFileDialog Class, 937
QFileInfo Class, 939
QFileSystemModel Class, 940
QFont Class, 941
QFontDialog Class, 943
QFontMetrics Class, 944
QFrame Class, 944
QFrame2 Class, 945
QFrame3 Class, 945
QGradient Class, 945
QGraphicsVideoItem Class, 946
QGridLayout Class, 946
QGuiApplication Class, 947
QHBoxLayout Class, 949
QHeaderView Class, 949
QHostAddress Class, 952
QHostInfo Class, 952
QIcon Class, 953
Index 1919

QImage Class, 953
QInputDialog Class, 955
QIODevice Class, 952
QJsonArray Class, 956
QJsonDocument Class, 957
QJsonObject Class, 958
QJsonParseError Class, 958
QJsonValue Class, 958
QKeySequence Class, 959
QLabel Class, 960
QLayout Class, 961
QLCDNumber Class, 959
QLinearGradient Class, 964
QLineEdit Class, 962
QListView Class, 964
QListWidget Class, 965
QListWidgetItem Class, 966
QMainWindow Class, 967
QMatrix4x4 Class, 969
QMdiArea Class, 970
QMdiSubWindow Class, 971
QMediaObject Class, 971
QMediaPlayer Class, 972
QMediaPlaylist Class, 973
QMenu Class, 973
QMenuBar Class, 974
QMessageBox Class, 975
QMutex Class, 976
QMutexLocker Class, 976
QNetworkAccessManager Class, 976
QNetworkProxy Class, 977
QNetworkReply Class, 978
QNetworkRequest Class, 978
QObject Class, 979
QOpenGLBuffer Class, 979
QOpenGLContext Class, 980
QOpenGLDebugLogger Class, 981
QOpenGLFramebufferObject Class, 981
QOpenGLFunctions Class, 982
QOpenGLFunctions_3_2_Core Class, 986
QOpenGLPaintDevice Class, 994
QOpenGLShader Class, 995
QOpenGLShaderProgram Class, 995
QOpenGLTexture Class, 999
QOpenGLTimerQuery Class, 1001
QOpenGLVersionProﬁle Class, 1001
QOpenGLVertexArrayObject Class, 1002
QOpenGLWidget Class, 1002
QPaintDevice Class, 1003
QPainter Class, 1003
QPainter2 Class, 1005
QPainterPath Class, 1006
QPen Class, 1007
QPicture Class, 1008
QPixmap Class, 1008
QPixmap2 Class, 1009
QPlainTextEdit Class, 1009
QPoint Class, 1012
QPointF Class, 1012
QPrinter Class, 1013
QProcess Class, 1014
QProgressBar Class, 1015
QPushButton Class, 1016
QQuaternion Class, 1016
QRadioButton Class, 1017
QRect Class, 1017
QRegion Class, 1019
QRegularExpression Class, 1020
QRegularExpressionMatch Class, 1020
QRegularExpressionMatchIterator Class, 1021
QScreen Class, 1021
QScrollArea Class, 1022
QSerialPort Class, 1023
QSerialPortInfo Class, 1024
QSize Class, 1024
QSlider Class, 1025
QSpinBox Class, 1025
QSplashScreen Class, 1026
QSplitter Class, 1026
QSqlDatabase Class, 1027
QSqlDriver Class, 1028
QSqlDriverCreatorBase Class, 1028
QSqlError Class, 1029
QSqlField Class, 1029
QSqlIndex Class, 1030
QSqlQuery Class, 1030
QSqlRecord Class, 1031
QStackedWidget Class, 1032
QStatusBar Class, 1032
QString2 Class, 1033
QStringList Class, 1033
QStringRef Class, 1034
QSurfaceFormat Class, 1036
QSystemTrayIcon Class, 1037
QTableView Class, 1039
QTableWidget Class, 1040
QTableWidgetItem Class, 1042
QTabWidget Class, 1038
QTcpServer Class, 1044
QTcpSocket Class, 1044
QTest Class, 1045
QTextBlock Class, 1045
QTextBrowser Class, 1046
QTextCharFormat Class, 1047
QTextCodec Class, 1048
QTextCursor Class, 1049
QTextDocument Class, 1050
QTextEdit Class, 1052
Index 1920

QThread Class, 1055
QThreadPool Class, 1056
QTime Class, 1057
QTimer Class, 1057
QToolBar Class, 1058
QToolButton Class, 1058
QTreeView Class, 1059
QTreeWidget Class, 1061
QTreeWidgetItem Class, 1063
QUrl Class, 1065
QUuid Class, 1066
QVariant Class, 1066
QVBoxLayout Class, 1066
QVector2D Class, 1068
QVideoWidget Class, 1070
QVideoWidgetControl Class, 1071
QWebView Class, 1071
QWidget Class, 1072
QWindow Class, 1077
QXmlStreamAttribute Class, 1081
QXmlStreamAttributes Class, 1081
QXmlStreamEntityDeclaration Class, 1082
QXmlStreamEntityResolver Class, 1082
QXmlStreamNamespaceDeclaration Class, 1082
QXmlStreamNotationDeclaration Class, 1082
QXmlStreamReader Class, 1083
QXmlStreamWriter Class, 1084
RingCodeHighlighter Class, 1085
RingREPL
RingSQLite
ringvm_callfunc()
RingVM_CallList()
RingVM_CFunctionsList()
RingVM_ClassesList()
ringvm_evalinscope()
RingVM_FilesList()
RingVM_FunctionsList()
ringvm_give() function
ringvm_hideerrorMsg()
RingVM_MemoryList()
RingVM_PackagesList()
ringvm_passerror()
ringvm_scopescount()
ringvm_see() and ringvm_give() functions
ringvm_see() function
ringvm_settrace()
ringvm_tracedata()
ringvm_traceevent()
ringvm_tracefunc()
RingZip
Create Zip File, 459
Extract Zip File, 459
Introduction, 458
Print ﬁles in Zip ﬁle, 459
Using RingZip Classes, 459
Zip Class Reference, 461
ZipEntry Class Reference, 461
RingZip Library
Rotate Text
Rules
The Type Hints Library, 764
Run the program
Getting Started - First Style, 153
Getting Started - Second Style, 156
Getting Started - Third Style, 158
Running Forms
Form Designer, 728
Runtime Errors
Reference, 890
Samples
How to contribute?, 151
Samples in this book
Samples Source (Authors)
Using RingOpenGL and RingFreeGLUT for 3D
Graphics, 544
Save and Restore Images
ODBC Functions, 281
Save Image Inside the Database
Save output to string
RingLibCurl, 456
Index 1921

The Ring programming language version 1.7 book - Part 195 of 196

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The Ring programming language version 1.7 book - Part 195 of 196