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Linux Manual Pages - section 3 (library calls)_ | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z | Displaying 514 of 18427 QAccel - Handles keyboard accelerator and shortcut keysQAccessible - Enums and static functions relating to accessibility QAccessibleInterface - Defines an interface that exposes information about accessible objects QAccessibleObject - Implements parts of the QAccessibleInterface for QObjects QAction - Abstract user interface action that can appear both in menus and tool bars QActionGroup - Groups actions together QApplication - Manages the GUI application's control flow and main settings QAsciiCache - Template class that provides a cache based on char* keys QAsciiCacheIterator - Iterator for QAsciiCache collections QAsciiDict - Template class that provides a dictionary based on char* keys QAsciiDictIterator - Iterator for QAsciiDict collections QAssistantClient - Means of using Qt Assistant as an application's help tool QAxAggregated - Abstract base class for implementations of additional COM interfaces QAxBase - Abstract class that provides an API to initalize and access a COM object QAxBindable - Interface between a QWidget and an ActiveX client QAxFactory - Defines a factory for the creation of COM components QAxObject - QObject that wraps a COM object QAxScript - Wrapper around script code QAxScriptEngine - Wrapper around a script engine QAxScriptManager - Bridge between application objects and script code QAxWidget - QWidget that wraps an ActiveX control QBig5Codec - Conversion to and from the Big5 encoding QBig5hkscsCodec - Conversion to and from the Big5-HKSCS encoding QBitArray - Array of bits QBitmap - Monochrome (1-bit depth) pixmaps QBitVal - Internal class, used with QBitArray QBoxLayout - Lines up child widgets horizontally or vertically QBrush - Defines the fill pattern of shapes drawn by a QPainter QBuffer - I/O device that operates on a QByteArray QButton - The abstract base class of button widgets, providing functionality common to buttons QButtonGroup - Organizes QButton widgets in a group QByteArray - Array of bytes QCache - Template class that provides a cache based on QString keys QCacheIterator - Iterator for QCache collections QCanvas - 2D area that can contain QCanvasItem objects QCanvasEllipse - Ellipse or ellipse segment on a QCanvas QCanvasItem - Abstract graphic object on a QCanvas QCanvasItemList - List of QCanvasItems QCanvasLine - Line on a QCanvas QCanvasPixmap - Pixmaps for QCanvasSprites QCanvasPixmapArray - Array of QCanvasPixmaps QCanvasPolygon - Polygon on a QCanvas QCanvasPolygonalItem - Polygonal canvas item on a QCanvas QCanvasRectangle - Rectangle on a QCanvas QCanvasSpline - Multi-bezier splines on a QCanvas QCanvasSprite - Animated canvas item on a QCanvas QCanvasText - Text object on a QCanvas QCanvasView - On-screen view of a QCanvas QCDEStyle - CDE look and feel QChar - Lightweight Unicode character QCharRef - Helper class for QString QCheckBox - Checkbox with a text label QCheckListItem - Checkable list view items QCheckTableItem - Checkboxes in QTables QChildEvent - Event parameters for child object events QClipboard - Access to the window system clipboard QCloseEvent - Parameters that describe a close event QColor - Colors based on RGB or HSV values QColorDialog - Dialog widget for specifying colors QColorDrag - Drag and drop object for transferring colors QColorGroup - Group of widget colors QComboBox - Combined button and popup list QComboTableItem - Means of using comboboxes in QTables QCommonStyle - Encapsulates the common Look and Feel of a GUI QConstString - String objects using constant Unicode data QContextMenuEvent - Parameters that describe a context menu event QCopChannel - Communication capabilities between several clients QCString - Abstraction of the classic C zero-terminated char array (char *) QCursor - Mouse cursor with an arbitrary shape QCustomEvent - Support for custom events QCustomMenuItem - Abstract base class for custom menu items in popup menus QDataBrowser - Data manipulation and navigation for data entry forms QDataStream - Serialization of binary data to a QIODevice QDataTable - Flexible SQL table widget that supports browsing and editing QDataView - Read-only SQL forms QDate - Date functions QDateEdit - Date editor QDateTime - Date and time functions QDateTimeEdit - Combines a QDateEdit and QTimeEdit widget into a single widget for editing datetimes QDateTimeEditBase - Abstraction for date and edit editors QDeepCopy - Template class which ensures that QDesktopWidget - Access to screen information on multi-head systems QDial - Rounded range control (like a speedometer or potentiometer) QDialog - The base class of dialog windows QDict - Template class that provides a dictionary based on QString keys QDictIterator - Iterator for QDict collections QDir - Access to directory structures and their contents in a platform-independent way QDirectPainter - Direct access to the video hardware QDns - Asynchronous DNS lookups QDockArea - Manages and lays out QDockWindows QDockWindow - Widget which can be docked inside a QDockArea or floated as a top level window on the desktop QDomAttr - Represents one attribute of a QDomElement QDomCDATASection - Represents an XML CDATA section QDomCharacterData - Represents a generic string in the DOM QDomComment - Represents an XML comment QDomDocument - Represents an XML document QDomDocumentFragment - Tree of QDomNodes which is not usually a complete QDomDocument QDomDocumentType - The representation of the DTD in the document tree QDomElement - Represents one element in the DOM tree QDomEntity - Represents an XML entity QDomEntityReference - Represents an XML entity reference QDomImplementation - Information about the features of the DOM implementation QDomNamedNodeMap - Collection of nodes that can be accessed by name QDomNode - The base class for all the nodes in a DOM tree QDomNodeList - List of QDomNode objects QDomNotation - Represents an XML notation QDomProcessingInstruction - Represents an XML processing instruction QDomText - Represents text data in the parsed XML document QDoubleValidator - Range checking of floating-point numbers QDragEnterEvent - Event which is sent to the widget when a drag and drop first drags onto the widget QDragLeaveEvent - Event which is sent to the widget when a drag and drop leaves the widget QDragMoveEvent - Event which is sent while a drag and drop is in progress QDragObject - Encapsulates MIME-based data transfer QDropEvent - Event which is sent when a drag and drop is completed qecvt - convert a floating-point number to a string qecvt_r - QEditorFactory - Used to create editor widgets for QVariant data types QErrorMessage - Error message display dialog QEucJpCodec - Conversion to and from EUC-JP character sets QEucKrCodec - Conversion to and from EUC-KR character sets QEvent - The base class of all event classes. Event objects contain event parameters QEventLoop - Manages the event queue qfcvt - qfcvt_r - QFile - I/O device that operates on files QFileDialog - Dialogs that allow users to select files or directories QFileIconProvider - Icons for QFileDialog to use QFileInfo - System-independent file information QFilePreview - File previewing in QFileDialog QFocusData - Maintains the list of widgets in the focus chain QFocusEvent - Event parameters for widget focus events QFont - Font used for drawing text QFontDatabase - Information about the fonts available in the underlying window system QFontDialog - Dialog widget for selecting a font QFontInfo - General information about fonts QFontManager - Implements font management in Qt/Embedded QFontMetrics - Font metrics information QFrame - The base class of widgets that can have a frame QFtp - Implementation of the FTP protocol QGb18030Codec - Conversion to and from the Chinese GB18030/GBK/GB2312 encoding QGb2312Codec - Conversion to and from the Chinese GB2312 encoding QGbkCodec - Conversion to and from the Chinese GBK encoding qgcvt - QGfxDriverFactory - Creates QScreen objects for Qt/Embedded QGfxDriverPlugin - Abstract base for Qt/Embedded graphics driver plugins QGL - Namespace for miscellaneous identifiers in the Qt OpenGL module QGLayoutIterator - Abstract base class of internal layout iterators QGLColormap - Used for installing custom colormaps into QGLWidgets QGLContext - Encapsulates an OpenGL rendering context QGLFormat - The display format of an OpenGL rendering context QGLWidget - Widget for rendering OpenGL graphics QGrid - Simple geometry management of its children QGridLayout - Lays out widgets in a grid QGridView - Abstract base for fixed-size grids QGroupBox - Group box frame with a title QGuardedPtr - Template class that provides guarded pointers to QObjects QHBox - Horizontal geometry management for its child widgets QHBoxLayout - Lines up widgets horizontally QHButtonGroup - Organizes QButton widgets in a group with one horizontal row QHeader - Header row or column, e.g. for tables and listviews QHebrewCodec - Conversion to and from visually ordered Hebrew QHGroupBox - Organizes widgets in a group with one horizontal row QHideEvent - Event which is sent after a widget is hidden QHostAddress - IP address QHttp - Implementation of the HTTP protocol QHttpHeader - Header information for HTTP QHttpRequestHeader - Request header information for HTTP QHttpResponseHeader - Response header information for HTTP QIconDrag - Supports drag and drop operations within a QIconView QIconDragEvent - Signals that a main icon drag has begun QIconDragItem - Encapsulates a drag item QIconFactory - Used to create pixmaps for a QIconSet QIconSet - Set of icons with different styles and sizes QIconView - Area with movable labelled icons QIconViewItem - Single item in a QIconView QImage - Hardware-independent pixmap representation with direct access to the pixel data QImageConsumer - Abstraction used by QImageDecoder QImageDecoder - Incremental image decoder for all supported image formats QImageDrag - Drag and drop object for transferring images QImageFormat - Incremental image decoder for a specific image format QImageFormatPlugin - Abstract base for custom image format plugins QImageFormatType - Factory that makes QImageFormat objects QImageIO - Parameters for loading and saving images QIMEvent - Parameters for input method events QInputDialog - Simple convenience dialog to get a single value from the user QIntCache - Template class that provides a cache based on long keys QIntCacheIterator - Iterator for QIntCache collections QIntDict - Template class that provides a dictionary based on long keys QIntDictIterator - Iterator for QIntDict collections QIntValidator - Validator which ensures that a string contains a valid integer within a specified range qio - Quick I/O routines for reading files QIODevice - The base class of I/O devices QJisCodec - Conversion to and from JIS character sets QKbdDriverFactory - Creates QWSKeyboardHandler objects for Qt/Embedded QKbdDriverPlugin - Abstract base for Qt/Embedded keyboard driver plugins QKeyEvent - Describes a key event QKeySequence - Encapsulates a key sequence as used by accelerators QLabel - Text or image display QLayout - The base class of geometry managers QLayoutItem - Abstract item that a QLayout manipulates QLayoutIterator - Iterators over QLayoutItem qlc - Query Interface to Mnesia, ETS, Dets, etc QLCDNumber - Displays a number with LCD-like digits QLength - QLibrary - Wrapper for handling shared libraries QLineEdit - One-line text editor QListBox - List of selectable, read-only items QListBoxItem - The base class of all list box items QListBoxPixmap - List box items with a pixmap and optional text QListBoxText - List box items that display text QListView - Implements a list/tree view QListViewItem - Implements a list view item QListViewItemIterator - Iterator for collections of QListViewItems QLocale - Converts between numbers and their string representations in various languages QLocalFs - Implementation of a QNetworkProtocol that works on the local file system QMacMime - Maps open-standard MIME to Mac flavors QMacStyle - Implements an Appearance Manager style QMainWindow - Main application window, with a menu bar, dock windows (e.g. for toolbars), and a status bar QMap - Value-based template class that provides a dictionary QMapConstIterator - Iterator for QMap QMapIterator - Iterator for QMap QMemArray - Template class that provides arrays of simple types QMenuBar - Horizontal menu bar QMenuData - Base class for QMenuBar and QPopupMenu QMessageBox - Modal dialog with a short message, an icon, and some buttons QMetaObject - Meta information about Qt objects QMetaProperty - Stores meta data about a property QMimeSource - Abstraction of objects which provide formatted data of a certain MIME type QMimeSourceFactory - Extensible provider of mime-typed data QMotif - The basis of the QMotifDialog - The QDialog API for Motif-based dialogs QMotifPlusStyle - More sophisticated Motif-ish look and feel QMotifStyle - Motif look and feel QMotifWidget - The QWidget API for Xt/Motif widgets QMouseDriverFactory - Creates QWSMouseHandler objects for Qt/Embedded QMouseDriverPlugin - Abstract base for Qt/Embedded mouse driver plugins QMouseEvent - Parameters that describe a mouse event QMoveEvent - Event parameters for move events QMovie - Incremental loading of animations or images, signalling as it progresses QMutex - Access serialization between threads QMutexLocker - Simplifies locking and unlocking QMutexes QNetworkOperation - Common operations for network protocols QNetworkProtocol - Common API for network protocols QNPInstance - QObject that is a web browser plugin QNPlugin - The main factory for plugin objects QNPStream - Stream of data provided to a QNPInstance by the browser QNPWidget - QWidget that is a web browser plugin window qnx_get_window - qnx_get_window QObject - The base class of all Qt objects QObjectCleanupHandler - Watches the lifetime of multiple QObjects QObjectList - QPtrList of QObjects QObjectListIterator - Iterator for QObjectLists QPaintDevice - The base class of objects that can be painted QPaintDeviceMetrics - Information about a paint device QPainter - Does low-level painting e.g. on widgets QPaintEvent - Event parameters for paint events QPair - Value-based template class that provides a pair of elements QPalette - Color groups for each widget state QPen - Defines how a QPainter should draw lines and outlines of shapes QPicture - Paint device that records and replays QPainter commands QPixmap - Off-screen, pixel-based paint device QPixmapCache - Application-global cache for pixmaps QPlatinumStyle - Mac/Platinum look and feel QPNGImagePacker - Creates well-compressed PNG animations QPoint - Defines a point in the plane QPointArray - Array of points QPopupMenu - Popup menu widget QPrinter - Paint device that paints on a printer QProcess - Used to start external programs and to communicate with them QProgressBar - Horizontal progress bar QProgressDialog - Feedback on the progress of a slow operation QPtrCollection - The base class of most pointer-based Qt collections QPtrDict - Template class that provides a dictionary based on void* keys QPtrDictIterator - Iterator for QPtrDict collections QPtrList - Template class that provides a list QPtrListIterator - Iterator for QPtrList collections QPtrQueue - Template class that provides a queue QPtrStack - Template class that provides a stack QPtrVector - Template collection class that provides a vector (array) QPushButton - Command button QRadioButton - Radio button with a text or pixmap label QRangeControl - Integer value within a range QRect - Defines a rectangle in the plane QRegExp - Pattern matching using regular expressions QRegExpValidator - Used to check a string against a QRegion - Clip region for a painter QResizeEvent - Event parameters for resize events qscale_matrix - qscale_matrix, qscale_matrix_f qscale_matrix_f - QScreen - And its descendants manage the framebuffer and palette QScrollBar - Vertical or horizontal scroll bar QScrollView - Scrolling area with on-demand scroll bars QSemaphore - Robust integer semaphore QServerSocket - TCP-based server QSessionManager - Access to the session manager QSettings - Persistent platform-independent application settings QSGIStyle - SGI/Irix look and feel QShowEvent - Event which is sent when a widget is shown QSignal - Can be used to send signals for classes that don't inherit QObject QSignalMapper - Bundles signals from identifiable senders QSimpleRichText - Small displayable piece of rich text QSize - Defines the size of a two-dimensional object QSizeGrip - Corner-grip for resizing a top-level window QSizePolicy - Layout attribute describing horizontal and vertical resizing policy QSjisCodec - Conversion to and from Shift-JIS QSlider - Vertical or horizontal slider QSocket - Buffered TCP connection QSocketDevice - Platform-independent low-level socket API QSocketNotifier - Support for socket callbacks qsort - sorts an array QSound - Access to the platform audio facilities QSpacerItem - Blank space in a layout QSpinBox - Spin box widget (spin button) QSplashScreen - Splash screen that can be shown during application startup QSplitter - Implements a splitter widget QSql - Namespace for Qt SQL identifiers that need to be global-like QSqlCursor - Browsing and editing of SQL tables and views QSqlDatabase - Used to create SQL database connections and to provide transaction handling QSqlDriver - Abstract base class for accessing SQL databases QSqlDriverPlugin - Abstract base for custom QSqlDriver plugins QSqlEditorFactory - Used to create the editors used by QDataTable and QSqlForm QSqlError - SQL database error information QSqlField - Manipulates the fields in SQL database tables and views QSqlFieldInfo - Stores meta data associated with a SQL field QSqlForm - Creates and manages data entry forms tied to SQL databases QSqlIndex - Functions to manipulate and describe QSqlCursor and QSqlDatabase indexes QSqlPropertyMap - Used to map widgets to SQL fields QSqlQuery - Means of executing and manipulating SQL statements QSqlRecord - Encapsulates a database record, i.e. a set of database fields QSqlRecordInfo - Encapsulates a set of database field meta data QSqlResult - Abstract interface for accessing data from SQL databases QSqlSelectCursor - Browsing of general SQL SELECT statements QStatusBar - Horizontal bar suitable for presenting status information QStoredDrag - Simple stored-value drag object for arbitrary MIME data QStrIList - Doubly-linked list of char* with case-insensitive comparison QString - Abstraction of Unicode text and the classic C '\0'-terminated char array QStringList - List of strings QStrList - Doubly-linked list of char* QStrListIterator - Iterator for the QStrList and QStrIList classes QStyle - The look and feel of a GUI QStyleFactory - Creates QStyle objects QStyleOption - Optional parameters for QStyle functions QStylePlugin - Abstract base for custom QStyle plugins QStyleSheet - Collection of styles for rich text rendering and a generator of tags QStyleSheetItem - Encapsulation of a set of text styles QSyntaxHighlighter - Base class for implementing QTextEdit syntax highlighters Qt - Namespace for miscellaneous identifiers that need to be global-like QTab - The structures in a QTabBar QTabBar - Tab bar, e.g. for use in tabbed dialogs QTabDialog - Stack of tabbed widgets QTable - Flexible editable table widget QTableItem - The cell content for QTable cells QTableSelection - Access to a selected area in a QTable QTabletEvent - Parameters that describe a Tablet event QTabWidget - Stack of tabbed widgets QTextBrowser - Rich text browser with hypertext navigation QTextCodec - Conversion between text encodings QTextCodecPlugin - Abstract base for custom QTextCodec plugins QTextDecoder - State-based decoder QTextDrag - Drag and drop object for transferring plain and Unicode text QTextEdit - Powerful single-page rich text editor QTextEncoder - State-based encoder QTextIStream - Convenience class for input streams QTextOStream - Convenience class for output streams QTextStream - Basic functions for reading and writing text using a QIODevice QThread - Platform-independent threads QThreadStorage - Per-thread data storage QTime - Clock time functions QTimeEdit - Time editor QTimer - Timer signals and single-shot timers QTimerEvent - Parameters that describe a timer event QToolBar - Movable panel containing widgets such as tool buttons QToolBox - Column of tabbed widget items QToolButton - Quick-access button to commands or options, usually used inside a QToolBar QToolTip - Tool tips (balloon help) for any widget or rectangular part of a widget QToolTipGroup - Collects tool tips into related groups qtranslate_matrix - qtranslate_matrix, qtranslate_matrix_f qtranslate_matrix_f - QTranslator - QTranslatorMessage - Translator message and its properties QTsciiCodec - Conversion to and from the Tamil TSCII encoding quad3d - quad3d, quad3d_f quad3d_f - Quantum::Entanglement - QM entanglement of variables in perl Quantum::Superpositions - QM-like superpositions in Perl QUAT - QUAT quat_interpolate - quat_interpolate quat_mul - quat_mul quat_slerp - quat_slerp quat_to_matrix - quat_to_matrix query_user_context - queue - queuebase - queuebase.h - Base classes for RTP queues. QueueRTCPManager - Adds generic management of RTCP functions to an RTP data queue. Quota - Perl interface to file system quotas QUriDrag - Drag object for a list of URI references QUrl - URL parser and simplifies working with URLs QUrlInfo - Stores information about URLs QUrlOperator - Common operations on URLs QUuid - Defines a Universally Unique Identifier (UUID) QValidator - Validation of input text QValueList - Value-based template class that provides lists QValueListConstIterator - Const iterator for QValueList QValueListIterator - Iterator for QValueList QValueStack - Value-based template class that provides a stack QValueVector - Value-based template class that provides a dynamic array QVariant - Acts like a union for the most common Qt data types QVBox - Vertical geometry management of its child widgets QVBoxLayout - Lines up widgets vertically QVButtonGroup - Organizes QButton widgets in a vertical column QVGroupBox - Organizes a group of widgets in a vertical column QWaitCondition - Allows waiting/waking for conditions between threads QWhatsThis - Simple description of any widget, i.e. answering the question "What's this?" QWheelEvent - Parameters that describe a wheel event QWidget - The base class of all user interface objects QWidgetFactory - For the dynamic creation of widgets from Qt Designer .ui files QWidgetItem - Layout item that represents a widget QWidgetPlugin - Abstract base for custom QWidget plugins QWidgetStack - Stack of widgets of which only the top widget is user-visible QWindowsMime - Maps open-standard MIME to Window Clipboard formats QWindowsStyle - Microsoft Windows-like look and feel QWizard - Framework for wizard dialogs QWMatrix - 2D transformations of a coordinate system QWorkspace - Workspace window that can contain decorated windows, e.g. for MDI QWSDecoration - Allows the appearance of the Qt/Embedded Window Manager to be customized QWSInputMethod - International input methods for Qt/Embedded QWSKeyboardHandler - Implements the keyboard driver for Qt/Embedded QWSMouseHandler - Mouse driver for Qt/Embedded QWSServer - Server-specific functionality in Qt/Embedded QWSWindow - Server-specific functionality in Qt/Embedded QwtAnalogClock - QwtArrayData - QwtArrowButton - QwtAutoScale - QwtCompass - QwtCompassMagnetNeedle - QwtCompassWindArrow - QwtCounter - QwtCPointerData - QwtCurve - QwtData - QwtDblRange - QwtDial - QwtDialNeedle - QwtDialScaleDraw - QwtDialSimpleNeedle - QwtDiMap - QwtDoublePoint - QwtDoublePointData - QwtDoubleRect - QwtDoubleSize - QwtDynGridLayout - QwtEventPattern - QwtGrid - qwtinstall - INSTALL QwtKnob - QwtLegend - QwtLegendButton - QwtLegendItem - QwtLegendLabel - qwtlicense - Qwt License, Version 1.0 QwtMarker - qwt_math.h - QwtPaintBuffer - QwtPainter - QwtPicker - QwtPickerClickPointMachine - QwtPickerClickRectMachine - QwtPickerDragPointMachine - QwtPickerDragRectMachine - QwtPickerMachine - QwtPickerPolygonMachine - QwtPlainText - QwtPlot - QwtPlotCanvas - QwtPlotCurve - QwtPlotGrid - QwtPlotItem - QwtPlotLayout - QwtPlotMappedItem - QwtPlotMarker - QwtPlotPicker - QwtPlotPrintFilter - QwtPlotZoomer - QwtPushButton - QwtRect - QwtRichText - QwtScale - QwtScaleDiv - QwtScaleDraw - QwtScaleIf - QwtSlider - QwtSliderBase - qwtspec - qwt.spec QwtSpline - QwtSymbol - QwtText - QwtThermo - QwtWheel - QXmlAttributes - XML attributes QXmlContentHandler - Interface to report the logical content of XML data QXmlDeclHandler - Interface to report declaration content of XML data QXmlDefaultHandler - Default implementation of all the XML handler classes QXmlDTDHandler - Interface to report DTD content of XML data QXmlEntityResolver - Interface to resolve external entities contained in XML data QXmlErrorHandler - Interface to report errors in XML data QXmlInputSource - The input data for the QXmlReader subclasses QXmlLexicalHandler - Interface to report the lexical content of XML data QXmlLocator - The XML handler classes with information about the parsing position within a file QXmlNamespaceSupport - Helper class for XML readers which want to include namespace support QXmlParseException - Used to report errors with the QXmlErrorHandler interface QXmlReader - Interface for XML readers (i.e. parsers) QXmlSimpleReader - Implementation of a simple XML reader (parser) |
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