section 3qt · Library functions 📚

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Q

QAccel(3qt)Handles keyboard accelerator and shortcut keys✨
qaccel(3qt)Handles keyboard accelerator and shortcut keys✨
QAccessible(3qt)Enums and static functions relating to accessibility✨
qaccessible(3qt)Enums and static functions relating to accessibility✨
QAccessibleInterface(3qt)Defines an interface that exposes information about accessible objects✨
qaccessibleinterface(3qt)Defines an interface that exposes information about accessible objects✨
QAccessibleObject(3qt)Implements parts of the QAccessibleInterface for QObjects✨
qaccessibleobject(3qt)Implements parts of the QAccessibleInterface for QObjects✨
QAction(3qt)Abstract user interface action that can appear both in menus and tool bars✨
qaction(3qt)Abstract user interface action that can appear both in menus and tool bars✨
QActionGroup(3qt)Groups actions together✨
qactiongroup(3qt)Groups actions together✨
QApplication(3qt)Manages the GUI application's control flow and main settings✨
qapplication(3qt)Manages the GUI application's control flow and main settings✨
QAsciiCache(3qt)Template class that provides a cache based on char* keys✨
qasciicache(3qt)Template class that provides a cache based on char* keys✨
QAsciiCacheIterator(3qt)Iterator for QAsciiCache collections✨
qasciicacheiterator(3qt)Iterator for QAsciiCache collections✨
QAsciiDict(3qt)Template class that provides a dictionary based on char* keys✨
qasciidict(3qt)Template class that provides a dictionary based on char* keys✨
QAsciiDictIterator(3qt)Iterator for QAsciiDict collections✨
qasciidictiterator(3qt)Iterator for QAsciiDict collections✨
QAssistantClient(3qt)Means of using Qt Assistant as an application's help tool✨
qassistantclient(3qt)Means of using Qt Assistant as an application's help tool✨
QAxAggregated(3qt)Abstract base class for implementations of additional COM interfaces✨
qaxaggregated(3qt)Abstract base class for implementations of additional COM interfaces✨
QAxBase(3qt)Abstract class that provides an API to initalize and access a COM object✨
qaxbase(3qt)Abstract class that provides an API to initalize and access a COM object✨
QAxBindable(3qt)Interface between a QWidget and an ActiveX client✨
qaxbindable(3qt)Interface between a QWidget and an ActiveX client✨
QAxFactory(3qt)Defines a factory for the creation of COM components✨
qaxfactory(3qt)Defines a factory for the creation of COM components✨
QAxObject(3qt)QObject that wraps a COM object✨
qaxobject(3qt)QObject that wraps a COM object✨
QAxScript(3qt)Wrapper around script code✨
qaxscript(3qt)Wrapper around script code✨
QAxScriptEngine(3qt)Wrapper around a script engine✨
qaxscriptengine(3qt)Wrapper around a script engine✨
QAxScriptManager(3qt)Bridge between application objects and script code✨
qaxscriptmanager(3qt)Bridge between application objects and script code✨
QAxWidget(3qt)QWidget that wraps an ActiveX control✨
qaxwidget(3qt)QWidget that wraps an ActiveX control✨
QBig5Codec(3qt)Conversion to and from the Big5 encoding✨
qbig5codec(3qt)Conversion to and from the Big5 encoding✨
QBig5hkscsCodec(3qt)Conversion to and from the Big5-HKSCS encoding✨
qbig5hkscscodec(3qt)Conversion to and from the Big5-HKSCS encoding✨
QBitArray(3qt)Array of bits✨
qbitarray(3qt)Array of bits✨
QBitmap(3qt)Monochrome (1-bit depth) pixmaps✨
qbitmap(3qt)Monochrome (1-bit depth) pixmaps✨
QBitVal(3qt)Internal class, used with QBitArray✨
qbitval(3qt)Internal class, used with QBitArray✨
QBoxLayout(3qt)Lines up child widgets horizontally or vertically✨
qboxlayout(3qt)Lines up child widgets horizontally or vertically✨
QBrush(3qt)Defines the fill pattern of shapes drawn by a QPainter✨
qbrush(3qt)Defines the fill pattern of shapes drawn by a QPainter✨
QBuffer(3qt)I/O device that operates on a QByteArray✨
qbuffer(3qt)I/O device that operates on a QByteArray✨
QButton(3qt)The abstract base class of button widgets, providing functionality common to buttons✨
qbutton(3qt)The abstract base class of button widgets, providing functionality common to buttons✨
QButtonGroup(3qt)Organizes QButton widgets in a group✨
qbuttongroup(3qt)Organizes QButton widgets in a group✨
QByteArray(3qt)Array of bytes✨
qbytearray(3qt)Array of bytes✨
QCache(3qt)Template class that provides a cache based on QString keys✨
qcache(3qt)Template class that provides a cache based on QString keys✨
QCacheIterator(3qt)Iterator for QCache collections✨
qcacheiterator(3qt)Iterator for QCache collections✨
QCanvas(3qt)2D area that can contain QCanvasItem objects✨
qcanvas(3qt)2D area that can contain QCanvasItem objects✨
QCanvasEllipse(3qt)Ellipse or ellipse segment on a QCanvas✨
qcanvasellipse(3qt)Ellipse or ellipse segment on a QCanvas✨
QCanvasItem(3qt)Abstract graphic object on a QCanvas✨
qcanvasitem(3qt)Abstract graphic object on a QCanvas✨
QCanvasItemList(3qt)List of QCanvasItems✨
qcanvasitemlist(3qt)List of QCanvasItems✨
QCanvasLine(3qt)Line on a QCanvas✨
qcanvasline(3qt)Line on a QCanvas✨
QCanvasPixmap(3qt)Pixmaps for QCanvasSprites✨
qcanvaspixmap(3qt)Pixmaps for QCanvasSprites✨
QCanvasPixmapArray(3qt)Array of QCanvasPixmaps✨
qcanvaspixmaparray(3qt)Array of QCanvasPixmaps✨
QCanvasPolygon(3qt)Polygon on a QCanvas✨
qcanvaspolygon(3qt)Polygon on a QCanvas✨
QCanvasPolygonalItem(3qt)Polygonal canvas item on a QCanvas✨
qcanvaspolygonalitem(3qt)Polygonal canvas item on a QCanvas✨
QCanvasRectangle(3qt)Rectangle on a QCanvas✨
qcanvasrectangle(3qt)Rectangle on a QCanvas✨
QCanvasSpline(3qt)Multi-bezier splines on a QCanvas✨
qcanvasspline(3qt)Multi-bezier splines on a QCanvas✨
QCanvasSprite(3qt)Animated canvas item on a QCanvas✨
qcanvassprite(3qt)Animated canvas item on a QCanvas✨
QCanvasText(3qt)Text object on a QCanvas✨
qcanvastext(3qt)Text object on a QCanvas✨
QCanvasView(3qt)On-screen view of a QCanvas✨
qcanvasview(3qt)On-screen view of a QCanvas✨
QCDEStyle(3qt)CDE look and feel✨
qcdestyle(3qt)CDE look and feel✨
QChar(3qt)Lightweight Unicode character✨
qchar(3qt)Lightweight Unicode character✨
QCharRef(3qt)Helper class for QString✨
qcharref(3qt)Helper class for QString✨
QCheckBox(3qt)Checkbox with a text label✨
qcheckbox(3qt)Checkbox with a text label✨
QCheckListItem(3qt)Checkable list view items✨
qchecklistitem(3qt)Checkable list view items✨
QCheckTableItem(3qt)Checkboxes in QTables✨
qchecktableitem(3qt)Checkboxes in QTables✨
QChildEvent(3qt)Event parameters for child object events✨
qchildevent(3qt)Event parameters for child object events✨
QClipboard(3qt)Access to the window system clipboard✨
qclipboard(3qt)Access to the window system clipboard✨
QCloseEvent(3qt)Parameters that describe a close event✨
qcloseevent(3qt)Parameters that describe a close event✨
QColor(3qt)Colors based on RGB or HSV values✨
qcolor(3qt)Colors based on RGB or HSV values✨
QColorDialog(3qt)Dialog widget for specifying colors✨
qcolordialog(3qt)Dialog widget for specifying colors✨
QColorDrag(3qt)Drag and drop object for transferring colors✨
qcolordrag(3qt)Drag and drop object for transferring colors✨
QColorGroup(3qt)Group of widget colors✨
qcolorgroup(3qt)Group of widget colors✨
QComboBox(3qt)Combined button and popup list✨
qcombobox(3qt)Combined button and popup list✨
QComboTableItem(3qt)Means of using comboboxes in QTables✨
qcombotableitem(3qt)Means of using comboboxes in QTables✨
QCommonStyle(3qt)Encapsulates the common Look and Feel of a GUI✨
qcommonstyle(3qt)Encapsulates the common Look and Feel of a GUI✨
QConstString(3qt)String objects using constant Unicode data✨
qconststring(3qt)String objects using constant Unicode data✨
QContextMenuEvent(3qt)Parameters that describe a context menu event✨
qcontextmenuevent(3qt)Parameters that describe a context menu event✨
QCopChannel(3qt)Communication capabilities between several clients✨
qcopchannel(3qt)Communication capabilities between several clients✨
QCString(3qt)Abstraction of the classic C zero-terminated char array (char *)✨
qcstring(3qt)Abstraction of the classic C zero-terminated char array (char *)✨
QCursor(3qt)Mouse cursor with an arbitrary shape✨
qcursor(3qt)Mouse cursor with an arbitrary shape✨
QCustomEvent(3qt)Support for custom events✨
qcustomevent(3qt)Support for custom events✨
QCustomMenuItem(3qt)Abstract base class for custom menu items in popup menus✨
qcustommenuitem(3qt)Abstract base class for custom menu items in popup menus✨
QDataBrowser(3qt)Data manipulation and navigation for data entry forms✨
qdatabrowser(3qt)Data manipulation and navigation for data entry forms✨
QDataStream(3qt)Serialization of binary data to a QIODevice✨
qdatastream(3qt)Serialization of binary data to a QIODevice✨
QDataTable(3qt)Flexible SQL table widget that supports browsing and editing✨
qdatatable(3qt)Flexible SQL table widget that supports browsing and editing✨
QDataView(3qt)Read-only SQL forms✨
qdataview(3qt)Read-only SQL forms✨
QDate(3qt)Date functions✨
qdate(3qt)Date functions✨
QDateEdit(3qt)Date editor✨
qdateedit(3qt)Date editor✨
QDateTime(3qt)Date and time functions✨
qdatetime(3qt)Date and time functions✨
QDateTimeEdit(3qt)Combines a QDateEdit and QTimeEdit widget into a single widget for editing datetimes✨
qdatetimeedit(3qt)Combines a QDateEdit and QTimeEdit widget into a single widget for editing datetimes✨
QDateTimeEditBase(3qt)Abstraction for date and edit editors✨
qdatetimeeditbase(3qt)Abstraction for date and edit editors✨
QDeepCopy(3qt)Template class which ensures that✨
qdeepcopy(3qt)Template class which ensures that✨
QDesktopWidget(3qt)Access to screen information on multi-head systems✨
qdesktopwidget(3qt)Access to screen information on multi-head systems✨
QDial(3qt)Rounded range control (like a speedometer or potentiometer)✨
qdial(3qt)Rounded range control (like a speedometer or potentiometer)✨
QDialog(3qt)The base class of dialog windows✨
qdialog(3qt)The base class of dialog windows✨
QDict(3qt)Template class that provides a dictionary based on QString keys✨
qdict(3qt)Template class that provides a dictionary based on QString keys✨
QDictIterator(3qt)Iterator for QDict collections✨
qdictiterator(3qt)Iterator for QDict collections✨
QDir(3qt)Access to directory structures and their contents in a platform- independent way✨
qdir(3qt)Access to directory structures and their contents in a platform- independent way✨
QDirectPainter(3qt)Direct access to the video hardware✨
qdirectpainter(3qt)Direct access to the video hardware✨
QDns(3qt)Asynchronous DNS lookups✨
qdns(3qt)Asynchronous DNS lookups✨
QDockArea(3qt)Manages and lays out QDockWindows✨
qdockarea(3qt)Manages and lays out QDockWindows✨
QDockWindow(3qt)Widget which can be docked inside a QDockArea or floated as a top level window on the desktop✨
qdockwindow(3qt)Widget which can be docked inside a QDockArea or floated as a top level window on the desktop✨
QDomAttr(3qt)Represents one attribute of a QDomElement✨
qdomattr(3qt)Represents one attribute of a QDomElement✨
QDomCDATASection(3qt)Represents an XML CDATA section✨
qdomcdatasection(3qt)Represents an XML CDATA section✨
QDomCharacterData(3qt)Represents a generic string in the DOM✨
qdomcharacterdata(3qt)Represents a generic string in the DOM✨
QDomComment(3qt)Represents an XML comment✨
qdomcomment(3qt)Represents an XML comment✨
QDomDocument(3qt)Represents an XML document✨
qdomdocument(3qt)Represents an XML document✨
QDomDocumentFragment(3qt)Tree of QDomNodes which is not usually a complete QDomDocument✨
qdomdocumentfragment(3qt)Tree of QDomNodes which is not usually a complete QDomDocument✨
QDomDocumentType(3qt)The representation of the DTD in the document tree✨
qdomdocumenttype(3qt)The representation of the DTD in the document tree✨
QDomElement(3qt)Represents one element in the DOM tree✨
qdomelement(3qt)Represents one element in the DOM tree✨
QDomEntity(3qt)Represents an XML entity✨
qdomentity(3qt)Represents an XML entity✨