section 3qt · Library functions 📚

832 pages · page 2 of 5

all 3 (100762)33ssl (6156)3B (42)3G (1100)3I (51)3LIBIIO (1)3NCARG (834)3OpenMPI (1)3PVM (71)3Sympa (164)3U (96)3WN (5)3alc (212)3alleg4 (923)3alleg5 (1063)3am (31)3ast (63)3attr (4)3avr (983)3bobcat (143)3brotli (4)3bsd (239)3caca (346)3cl (1)3clc (322)3cocci (1)3coin2 (588)3coin3 (753)3coin4 (918)3compat (22)3const (18)3ctype (1)3curses (18)3cvc (2)3cxx (1060)3debug (15)3edit (1)3em (198)3embree3 (113)3embree4 (127)3erl (623)3f (128)3form (106)3freebsd (1)3fun (1)3gl (467)3gle (14)3go (1)3guile (1)3gv (7)3hal (49)3head (3)3http (66)3itcl (17)3itk (6)3iv (354)3iwidget (52)3java (1)3libmawk (10)3libunwind (29)3lua (13)3m17n (257)3m_cli2 (8)3menu (88)3monocypher (73)3nas (130)3ncurses (703)3nx (5)3o (437)3ossl (6166)3ossp (2)3p (882)3pcap (75)3perl (820)3pg13 (68)3pg14 (72)3pg15 (72)3pg16 (72)3pg17 (72)3pg18 (72)3php (1)3plplot (175)3pm (34259)3pmc (296)3posix (882)3pub (150)3python (1)3qt (832)3r (1)3readline (2)3rheolef (13)3rtapi (66)3ruby (1)3scm (459)3sharp (1)3so (8)3ssl (6930)3stap (807)3str (19)3supp (19)3t (35)3tcl (1477)3tcllib (1)3tclx (25)3tiff (60)3tk (513)3tls (13)3trf (28)3ts (239)3type (466)3valkey (395)3visa (2)3x (1069)

Q (continued)

QDomEntityReference(3qt)Represents an XML entity reference✨
qdomentityreference(3qt)Represents an XML entity reference✨
QDomImplementation(3qt)Information about the features of the DOM implementation✨
qdomimplementation(3qt)Information about the features of the DOM implementation✨
QDomNamedNodeMap(3qt)Collection of nodes that can be accessed by name✨
qdomnamednodemap(3qt)Collection of nodes that can be accessed by name✨
QDomNode(3qt)The base class for all the nodes in a DOM tree✨
qdomnode(3qt)The base class for all the nodes in a DOM tree✨
QDomNodeList(3qt)List of QDomNode objects✨
qdomnodelist(3qt)List of QDomNode objects✨
QDomNotation(3qt)Represents an XML notation✨
qdomnotation(3qt)Represents an XML notation✨
QDomProcessingInstruction(3qt)Represents an XML processing instruction✨
qdomprocessinginstruction(3qt)Represents an XML processing instruction✨
QDomText(3qt)Represents text data in the parsed XML document✨
qdomtext(3qt)Represents text data in the parsed XML document✨
QDoubleValidator(3qt)Range checking of floating-point numbers✨
qdoublevalidator(3qt)Range checking of floating-point numbers✨
QDragEnterEvent(3qt)Event which is sent to the widget when a drag and drop first drags onto the widget✨
qdragenterevent(3qt)Event which is sent to the widget when a drag and drop first drags onto the widget✨
QDragLeaveEvent(3qt)Event which is sent to the widget when a drag and drop leaves the widget✨
qdragleaveevent(3qt)Event which is sent to the widget when a drag and drop leaves the widget✨
QDragMoveEvent(3qt)Event which is sent while a drag and drop is in progress✨
qdragmoveevent(3qt)Event which is sent while a drag and drop is in progress✨
QDragObject(3qt)Encapsulates MIME-based data transfer✨
qdragobject(3qt)Encapsulates MIME-based data transfer✨
QDropEvent(3qt)Event which is sent when a drag and drop is completed✨
qdropevent(3qt)Event which is sent when a drag and drop is completed✨
QEditorFactory(3qt)Used to create editor widgets for QVariant data types✨
qeditorfactory(3qt)Used to create editor widgets for QVariant data types✨
QErrorMessage(3qt)Error message display dialog✨
qerrormessage(3qt)Error message display dialog✨
QEucJpCodec(3qt)Conversion to and from EUC-JP character sets✨
qeucjpcodec(3qt)Conversion to and from EUC-JP character sets✨
QEucKrCodec(3qt)Conversion to and from EUC-KR character sets✨
qeuckrcodec(3qt)Conversion to and from EUC-KR character sets✨
QEvent(3qt)The base class of all event classes. Event objects contain event parameters✨
qevent(3qt)The base class of all event classes. Event objects contain event parameters✨
QEventLoop(3qt)Manages the event queue✨
qeventloop(3qt)Manages the event queue✨
QFile(3qt)I/O device that operates on files✨
qfile(3qt)I/O device that operates on files✨
QFileDialog(3qt)Dialogs that allow users to select files or directories✨
qfiledialog(3qt)Dialogs that allow users to select files or directories✨
QFileIconProvider(3qt)Icons for QFileDialog to use✨
qfileiconprovider(3qt)Icons for QFileDialog to use✨
QFileInfo(3qt)System-independent file information✨
qfileinfo(3qt)System-independent file information✨
QFilePreview(3qt)File previewing in QFileDialog✨
qfilepreview(3qt)File previewing in QFileDialog✨
QFocusData(3qt)Maintains the list of widgets in the focus chain✨
qfocusdata(3qt)Maintains the list of widgets in the focus chain✨
QFocusEvent(3qt)Event parameters for widget focus events✨
qfocusevent(3qt)Event parameters for widget focus events✨
QFont(3qt)Font used for drawing text✨
qfont(3qt)Font used for drawing text✨
QFontDatabase(3qt)Information about the fonts available in the underlying window system✨
qfontdatabase(3qt)Information about the fonts available in the underlying window system✨
QFontDialog(3qt)Dialog widget for selecting a font✨
qfontdialog(3qt)Dialog widget for selecting a font✨
QFontInfo(3qt)General information about fonts✨
qfontinfo(3qt)General information about fonts✨
QFontManager(3qt)Implements font management in Qt/Embedded✨
qfontmanager(3qt)Implements font management in Qt/Embedded✨
QFontMetrics(3qt)Font metrics information✨
qfontmetrics(3qt)Font metrics information✨
QFrame(3qt)The base class of widgets that can have a frame✨
qframe(3qt)The base class of widgets that can have a frame✨
QFtp(3qt)Implementation of the FTP protocol✨
qftp(3qt)Implementation of the FTP protocol✨
QGb18030Codec(3qt)Conversion to and from the Chinese GB18030/GBK/GB2312 encoding✨
qgb18030codec(3qt)Conversion to and from the Chinese GB18030/GBK/GB2312 encoding✨
QGb2312Codec(3qt)Conversion to and from the Chinese GB2312 encoding✨
qgb2312codec(3qt)Conversion to and from the Chinese GB2312 encoding✨
QGbkCodec(3qt)Conversion to and from the Chinese GBK encoding✨
qgbkcodec(3qt)Conversion to and from the Chinese GBK encoding✨
QGfxDriverFactory(3qt)Creates QScreen objects for Qt/Embedded✨
qgfxdriverfactory(3qt)Creates QScreen objects for Qt/Embedded✨
QGfxDriverPlugin(3qt)Abstract base for Qt/Embedded graphics driver plugins✨
qgfxdriverplugin(3qt)Abstract base for Qt/Embedded graphics driver plugins✨
QGL(3qt)Namespace for miscellaneous identifiers in the Qt OpenGL module✨
qgl(3qt)Namespace for miscellaneous identifiers in the Qt OpenGL module✨
QGLayoutIterator(3qt)Abstract base class of internal layout iterators✨
qglayoutiterator(3qt)Abstract base class of internal layout iterators✨
QGLColormap(3qt)Used for installing custom colormaps into QGLWidgets✨
qglcolormap(3qt)Used for installing custom colormaps into QGLWidgets✨
QGLContext(3qt)Encapsulates an OpenGL rendering context✨
qglcontext(3qt)Encapsulates an OpenGL rendering context✨
QGLFormat(3qt)The display format of an OpenGL rendering context✨
qglformat(3qt)The display format of an OpenGL rendering context✨
QGLWidget(3qt)Widget for rendering OpenGL graphics✨
qglwidget(3qt)Widget for rendering OpenGL graphics✨
QGrid(3qt)Simple geometry management of its children✨
qgrid(3qt)Simple geometry management of its children✨
QGridLayout(3qt)Lays out widgets in a grid✨
qgridlayout(3qt)Lays out widgets in a grid✨
QGridView(3qt)Abstract base for fixed-size grids✨
qgridview(3qt)Abstract base for fixed-size grids✨
QGroupBox(3qt)Group box frame with a title✨
qgroupbox(3qt)Group box frame with a title✨
QGuardedPtr(3qt)Template class that provides guarded pointers to QObjects✨
qguardedptr(3qt)Template class that provides guarded pointers to QObjects✨
QHBox(3qt)Horizontal geometry management for its child widgets✨
qhbox(3qt)Horizontal geometry management for its child widgets✨
QHBoxLayout(3qt)Lines up widgets horizontally✨
qhboxlayout(3qt)Lines up widgets horizontally✨
QHButtonGroup(3qt)Organizes QButton widgets in a group with one horizontal row✨
qhbuttongroup(3qt)Organizes QButton widgets in a group with one horizontal row✨
QHeader(3qt)Header row or column, e.g. for tables and listviews✨
qheader(3qt)Header row or column, e.g. for tables and listviews✨
QHebrewCodec(3qt)Conversion to and from visually ordered Hebrew✨
qhebrewcodec(3qt)Conversion to and from visually ordered Hebrew✨
QHGroupBox(3qt)Organizes widgets in a group with one horizontal row✨
qhgroupbox(3qt)Organizes widgets in a group with one horizontal row✨
QHideEvent(3qt)Event which is sent after a widget is hidden✨
qhideevent(3qt)Event which is sent after a widget is hidden✨
QHostAddress(3qt)IP address✨
qhostaddress(3qt)IP address✨
QHttp(3qt)Implementation of the HTTP protocol✨
qhttp(3qt)Implementation of the HTTP protocol✨
QHttpHeader(3qt)Header information for HTTP✨
qhttpheader(3qt)Header information for HTTP✨
QHttpRequestHeader(3qt)Request header information for HTTP✨
qhttprequestheader(3qt)Request header information for HTTP✨
QHttpResponseHeader(3qt)Response header information for HTTP✨
qhttpresponseheader(3qt)Response header information for HTTP✨
QIconDrag(3qt)Supports drag and drop operations within a QIconView✨
qicondrag(3qt)Supports drag and drop operations within a QIconView✨
QIconDragEvent(3qt)Signals that a main icon drag has begun✨
qicondragevent(3qt)Signals that a main icon drag has begun✨
QIconDragItem(3qt)Encapsulates a drag item✨
qicondragitem(3qt)Encapsulates a drag item✨
QIconFactory(3qt)Used to create pixmaps for a QIconSet✨
qiconfactory(3qt)Used to create pixmaps for a QIconSet✨
QIconSet(3qt)Set of icons with different styles and sizes✨
qiconset(3qt)Set of icons with different styles and sizes✨
QIconView(3qt)Area with movable labelled icons✨
qiconview(3qt)Area with movable labelled icons✨
QIconViewItem(3qt)Single item in a QIconView✨
qiconviewitem(3qt)Single item in a QIconView✨
QImage(3qt)Hardware-independent pixmap representation with direct access to the pixel data✨
qimage(3qt)Hardware-independent pixmap representation with direct access to the pixel data✨
QImageConsumer(3qt)Abstraction used by QImageDecoder✨
qimageconsumer(3qt)Abstraction used by QImageDecoder✨
QImageDecoder(3qt)Incremental image decoder for all supported image formats✨
qimagedecoder(3qt)Incremental image decoder for all supported image formats✨
QImageDrag(3qt)Drag and drop object for transferring images✨
qimagedrag(3qt)Drag and drop object for transferring images✨
QImageFormat(3qt)Incremental image decoder for a specific image format✨
qimageformat(3qt)Incremental image decoder for a specific image format✨
QImageFormatPlugin(3qt)Abstract base for custom image format plugins✨
qimageformatplugin(3qt)Abstract base for custom image format plugins✨
QImageFormatType(3qt)Factory that makes QImageFormat objects✨
qimageformattype(3qt)Factory that makes QImageFormat objects✨
QImageIO(3qt)Parameters for loading and saving images✨
qimageio(3qt)Parameters for loading and saving images✨
QIMEvent(3qt)Parameters for input method events✨
qimevent(3qt)Parameters for input method events✨
QInputDialog(3qt)Simple convenience dialog to get a single value from the user✨
qinputdialog(3qt)Simple convenience dialog to get a single value from the user✨
QIntCache(3qt)Template class that provides a cache based on long keys✨
qintcache(3qt)Template class that provides a cache based on long keys✨
QIntCacheIterator(3qt)Iterator for QIntCache collections✨
qintcacheiterator(3qt)Iterator for QIntCache collections✨
QIntDict(3qt)Template class that provides a dictionary based on long keys✨
qintdict(3qt)Template class that provides a dictionary based on long keys✨
QIntDictIterator(3qt)Iterator for QIntDict collections✨
qintdictiterator(3qt)Iterator for QIntDict collections✨
QIntValidator(3qt)Validator which ensures that a string contains a valid integer within a specified range✨
qintvalidator(3qt)Validator which ensures that a string contains a valid integer within a specified range✨
QIODevice(3qt)The base class of I/O devices✨
qiodevice(3qt)The base class of I/O devices✨
QJisCodec(3qt)Conversion to and from JIS character sets✨
qjiscodec(3qt)Conversion to and from JIS character sets✨
QKbdDriverFactory(3qt)Creates QWSKeyboardHandler objects for Qt/Embedded✨
qkbddriverfactory(3qt)Creates QWSKeyboardHandler objects for Qt/Embedded✨
QKbdDriverPlugin(3qt)Abstract base for Qt/Embedded keyboard driver plugins✨
qkbddriverplugin(3qt)Abstract base for Qt/Embedded keyboard driver plugins✨
QKeyEvent(3qt)Describes a key event✨
qkeyevent(3qt)Describes a key event✨
QKeySequence(3qt)Encapsulates a key sequence as used by accelerators✨
qkeysequence(3qt)Encapsulates a key sequence as used by accelerators✨
QLabel(3qt)Text or image display✨
qlabel(3qt)Text or image display✨
QLayout(3qt)The base class of geometry managers✨
qlayout(3qt)The base class of geometry managers✨
QLayoutItem(3qt)Abstract item that a QLayout manipulates✨
qlayoutitem(3qt)Abstract item that a QLayout manipulates✨
QLayoutIterator(3qt)Iterators over QLayoutItem✨
qlayoutiterator(3qt)Iterators over QLayoutItem✨
QLCDNumber(3qt)Displays a number with LCD-like digits✨
qlcdnumber(3qt)Displays a number with LCD-like digits✨
QLibrary(3qt)Wrapper for handling shared libraries✨
qlibrary(3qt)Wrapper for handling shared libraries✨
QLineEdit(3qt)One-line text editor✨
qlineedit(3qt)One-line text editor✨
QListBox(3qt)List of selectable, read-only items✨
qlistbox(3qt)List of selectable, read-only items✨
QListBoxItem(3qt)The base class of all list box items✨
qlistboxitem(3qt)The base class of all list box items✨