The namespace for Wt. More...

Namespaces
	Auth
	Namespace for the Authentication module (Wt::Auth).

	Chart
	Namespace for the Charts (Wt::Chart).

	Core
	Namespace for core utility classes.

	Dbo
	Namespace for the Database Objects (Wt::Dbo).

	Http
	Namespace for HTTP protocol (Wt::Http) handling.

	Json
	Namespace for the JSON Library (Wt::Json).

	Mail
	Namespace for the SMTP client library (Wt::Mail).

	Payment
	Namespace for the Payment.

	Render
	Namespace for the XHTML Rendering (Wt::Render).

	Utils
	Namespace with utility functions.

Classes
struct	any_traits
	A traits class for a type stored in a cpp17::any. More...

struct	Coordinates
	A coordinate. More...

class	DomElement
	Class to represent a client-side DOM element (proxy). More...

class	EventSignal
	A signal that conveys user-interface events. More...

class	EventSignalBase
	Abstract base class of an event signal. More...

class	ItemDataRole
	Enumeration that indicates a role for a data item. More...

class	JSignal
	A signal to relay JavaScript to C++ calls. More...

class	JSlot
	A slot that is only implemented in client side JavaScript code. More...

class	LocalizedString
	The result of resolving a localized string. More...

class	PopupWindow
	Internal class that provides a JavaScript popup window managing function. More...

class	Signal
	A signal that propagates events to listeners. More...

class	SignalBase
	Abstract base class of a signal. More...

class	Touch
	A single finger touch of a touch event. More...

class	WAbstractArea
	Abstract base class for interactive areas in a widget. More...

class	WAbstractItemDelegate
	Abstract delegate class for rendering an item in an item view. More...

class	WAbstractItemModel
	An abstract model for use with Wt's view classes. More...

class	WAbstractItemView
	An abstract base class for item Views. More...

class	WAbstractListModel
	An abstract list model for use with Wt's view classes. More...

class	WAbstractMedia
	Abstract baseclass for native media elements. More...

class	WAbstractProxyModel
	An abstract proxy model for Wt's item models. More...

class	WAbstractSpinBox
	An abstract spin box. More...

class	WAbstractTableModel
	An abstract table model for use with Wt's view classes. More...

class	WAbstractToggleButton
	An abstract base class for radio buttons and check boxes. More...

class	WAggregateProxyModel
	A proxy model for Wt's item models that provides column aggregation. More...

class	WAnchor
	A widget that represents an HTML anchor (to link to other documents). More...

class	WAnimation
	A value class that defines a transition effect. More...

class	WApplication
	Represents an application instance for a single session. More...

class	WAudio
	A widget that plays audio. More...

class	WBatchEditProxyModel
	A proxy model for Wt's item models that provides batch editing. More...

class	WBootstrapTheme
	Theme based on the Twitter Bootstrap CSS framework. More...

class	WBorder
	A value class that defines the CSS border style of a widget. More...

class	WBorderLayout
	A layout manager which divides the container region in five regions. More...

class	WBoxLayout
	A layout manager which arranges widgets horizontally or vertically. More...

class	WBreak
	A widget that provides a line break between inline widgets. More...

class	WBrush
	A value class that defines the style for filling a path. More...

class	WButtonGroup
	A class for grouping radio buttons logically together. More...

class	WCalendar
	A calendar. More...

class	WCanvasPaintDevice
	A paint device for rendering using the HTML 5 <canvas> element. More...

class	WCheckBox
	A user control that represents a check box. More...

class	WCircleArea
	A interactive area in a widget, specified by a circle. More...

class	WColor
	A value class that defines a color. More...

class	WCombinedLocalizedStrings
	A localized string resolver that bundles multiple string resolvers. More...

class	WComboBox
	A widget that provides a drop-down combo-box control. More...

class	WCompositeWidget
	A widget that hides the implementation of composite widgets. More...

class	WContainerWidget
	A widget that holds and manages child widgets. More...

class	WCssDecorationStyle
	A style class for a single widget or style sheet rule. More...

class	WCssRule
	Abstract rule in a CSS style sheet. More...

class	WCssStyleSheet
	A CSS style sheet. More...

class	WCssTemplateRule
	A CSS rule based on a template widget. More...

class	WCssTextRule
	A CSS rule specified directly using CSS declarations. More...

class	WCssTheme

class	WDate
	A value class that represents a date on the Gregorian calendar. More...

class	WDateEdit
	A date edit. More...

class	WDatePicker
	A date picker. More...

class	WDateTime
	A calendar date and clock time. More...

class	WDateValidator
	A validator for date input. More...

class	WDefaultLoadingIndicator
	A default loading indicator. More...

class	WDialog
	A WDialog shows a dialog. More...

class	WDoubleSpinBox
	An input control for fixed point numbers. More...

class	WDoubleValidator
	A validator for validating floating point user input. More...

class	WDropEvent
	A class providing details for a drop event. More...

class	WEnvironment
	A class that captures information on the application environment. More...

class	WEvent
	An application event. More...

class	WException
	Base class for exceptions thrown by Wt. More...

class	WFileDropWidget
	A widget that allows dropping files for upload. More...

class	WFileResource
	A resource which streams the data from a local file. More...

class	WFileUpload
	A widget that allows a file to be uploaded. More...

class	WFitLayout
	A layout manager which spans a single widget to all available space. More...

class	WFlags
	Utility class for type-safe combinations of enumeration flags. More...

class	WFlashObject
	A widget that renders a Flash object (also known as Flash movie). More...

class	WFont
	A value class that describes a font. More...

class	WFontMetrics
	A value class that describes font metrics for a font. More...

class	WFormModel
	A basic model class for forms. More...

class	WFormWidget
	An abstract widget that corresponds to an HTML form element. More...

class	WGenericMatrix
	A value class that describes a matrix. More...

class	WGestureEvent
	A class providing details for a gesture event. More...

class	WGLWidget
	GL support class. More...

class	WGoogleMap
	A widget that displays a google map. More...

class	WGradient
	A linear or radial gradient. More...

class	WGridLayout
	A layout manager which arranges widgets in a grid. More...

class	WGroupBox
	A widget which group widgets into a frame with a title. More...

class	WHBoxLayout
	A layout manager which arranges widgets horizontally. More...

class	WIconPair
	A widget that shows one of two icons depending on its state. More...

class	WIdentityProxyModel
	A proxy model that proxies its source model unmodified. More...

class	WInPlaceEdit
	A widget that provides in-place-editable text. More...

class	WInteractWidget
	An abstract widget that can receive user-interface interaction. More...

class	WIntValidator
	A validator that validates integer user input. More...

class	WIOService
	An I/O service. More...

class	WItemDelegate
	Standard delegate class for rendering a view item. More...

class	WItemSelectionModel
	A class that represents a selection for a WAbstractItemView. More...

class	WJavaScriptExposableObject
	A JavaScript exposable object. More...

class	WJavaScriptHandle
	A handle to a JavaScript representation of an object. More...

class	WKeyEvent
	A class providing details for a keyboard event. More...

class	WLabel
	A label for a form field. More...

class	WLayout
	An abstract base class for layout managers. More...

class	WLayoutImpl
	An abstract base class for implementing layout managers. More...

class	WLayoutItem
	An abstract base class for items that can participate in a layout. More...

class	WLayoutItemImpl
	An abstract base class for implementing layout managers. More...

class	WLength
	A value class that describes a CSS length. More...

class	WLengthValidator
	A validator that checks the string length of user input. More...

class	WLineEdit
	A widget that provides a single line edit. More...

class	WLineF
	Utility class that defines a single line. More...

class	WLink
	A value class that defines a hyperlink target. More...

class	WLinkedCssStyleSheet
	An external CSS style sheet. More...

class	WLoadingIndicator
	An abstract interface for a loading indicator. More...

class	WLocalDateTime
	A localized calendar date and clock time. More...

class	WLocale
	A locale. More...

class	WLocalizedStrings
	An abstract class that provides support for localized strings. More...

class	WLogEntry
	A stream-like object for creating an entry in a log file. More...

class	WLogger
	A simple logging class. More...

class	WMatrix4x4
	A value class that describes a 3D affine transformation matrix. More...

class	WMeasurePaintDevice
	WMeasurePaintDevice Wt/WMeasurePaintDevice Wt/WMeasurePaintDevice. More...

class	WMediaPlayer
	A media player. More...

class	WMemoryResource
	A resource which streams data from memory. More...

class	WMenu
	A widget that shows a menu of options. More...

class	WMenuItem
	A single item in a menu. More...

class	WMessageBox
	A standard dialog for confirmation or to get simple user input. More...

class	WMessageResourceBundle
	Support for localized strings using XML files. More...

class	WModelIndex
	A value class that describes an index to an item in a data model. More...

class	WMouseEvent
	A class providing details for a mouse event. More...

class	WNavigationBar
	A navigation bar. More...

class	WObject
	A base class for objects that participate in the signal/slot system. More...

class	WOverlayLoadingIndicator
	A more obvious loading indicator that grays the window. More...

class	WPaintDevice
	The abstract base class for a paint device. More...

class	WPaintedWidget
	A widget that is painted using vector graphics. More...

class	WPainter
	Vector graphics painting class. More...

class	WPainterPath
	A path defining a shape. More...

class	WPanel
	A WPanel provides a container with a title bar. More...

class	WPdfImage
	A paint device for rendering to a PDF. More...

class	WPen
	A value class that defines the style for pen strokes. More...

class	WPoint
	A value class that defines a 2D point with integer coordinates. More...

class	WPointF
	A value class that defines a 2D point. More...

class	WPolygonArea
	An interactive area in a widget, specified by a polygon. More...

class	WPopupMenu
	A menu presented in a popup window. More...

class	WPopupWidget
	Base class for popup widgets. More...

class	WProgressBar
	A progress bar. More...

class	WPushButton
	A widget that represents a push button. More...

class	WRadioButton
	A user control that represents a radio button. More...

class	WRandom
	Random number generator. More...

class	WRasterImage
	A paint device for rendering to a raster image. More...

class	WReadOnlyProxyModel
	A read-only wrapper for a source model. More...

class	WRectArea
	A interactive area in a widget, specified by a rectangle. More...

class	WRectF
	A value class that defines a rectangle. More...

class	WRegExpValidator
	A validator that checks user input against a regular expression. More...

class	WResource
	An object which can be rendered in the HTTP protocol. More...

class	WScrollEvent
	A class providing details for a scroll event. More...

class	WSelectionBox
	A selection box allows selection from a list of options. More...

class	WServer
	A class encapsulating a web application server. More...

class	WShadow
	A value class that defines a shadow style. More...

class	WSlider
	A horizontal or vertical slider control. More...

class	WSocketNotifier
	A utility class for asynchronous notification of socket activity. More...

class	WSortFilterProxyModel
	A proxy model for Wt's item models that provides filtering and/or sorting. More...

class	WSound
	A value class to play a sound effect. More...

class	WSpinBox
	An input control for integer numbers. More...

class	WSplitButton
	A split button. More...

class	WSslCertificate
	An interface to an SSL certificate. More...

class	WSslInfo
	Provides SSL information about the current session. More...

class	WStackedWidget
	A container widget that stacks its widgets on top of each other. More...

class	WStandardItem
	An item in a WStandardItemModel. More...

class	WStandardItemModel
	A standard data model, which stores its data in memory. More...

class	WStaticModelView
	A widget that implements a view for a non-changing model. More...

class	WStreamResource
	An object which streams the data from a std::istream. More...

class	WString
	A value class which describes a locale-aware unicode string. More...

class	WStringListModel
	An model that manages a list of strings. More...

class	WStringStream

class	WSuggestionPopup
	A widget which popups to assist in editing a textarea or lineedit. More...

class	WSvgImage
	A paint device for rendering using Scalable Vector Graphics (SVG). More...

class	WTable
	A container widget which provides layout of children in a table grid. More...

class	WTableCell
	A container widget that represents a cell in a table. More...

class	WTableColumn
	A table column. More...

class	WTableRow
	A table row. More...

class	WTableView
	An MVC View widget for tabular data. More...

class	WTabWidget
	A widget that organizes contents in tab panes. More...

class	WTemplate
	A widget that renders an XHTML template. More...

class	WTemplateFormView
	A template-based View class form models. More...

class	WText
	A widget that renders (XHTML) text. More...

class	WTextArea
	A widget that provides a multi-line edit. More...

class	WTextEdit
	A rich-text XHTML editor. More...

class	WTextItem
	The result of a font metrics computation. More...

class	WTheme

class	WTime
	A value class that defines a clock time. More...

class	WTimeEdit
	A Time field editor. More...

class	WTimer
	A utility class which provides timer signals and single-shot timers. More...

class	WTimeValidator
	A time validator. More...

class	WToolBar
	A toolbar. More...

class	WTouchEvent
	A class providing details for a touch event. More...

class	WTransform
	A value class that defines a 2D affine transformation matrix. More...

class	WTree
	A widget that represents a navigatable tree. More...

class	WTreeNode
	A single node in a tree. More...

class	WTreeTable
	A table with a navigatable tree in the first column. More...

class	WTreeTableNode
	A specialized tree node which allows additional data to be associated with each node. More...

class	WTreeView
	A view class that displays a model as a tree or tree table. More...

class	WValidator
	A validator is used to validate user input according to pre-defined rules. More...

class	WVBoxLayout
	A layout manager which arranges widgets vertically. More...

class	WVectorImage
	An abstract paint device for rendering using native vector graphics. More...

class	WVideo
	A video-playing widget. More...

class	WViewWidget
	An abstract base class for an MVC view that is rendered using a widget. More...

class	WVirtualImage
	An abstract widget that shows a viewport to a virtually large image. More...

class	WVmlImage
	A paint device for rendering using the VML pseudo-standard. More...

class	WWebWidget
	A base class for widgets with an HTML counterpart. More...

class	WWidget
	The abstract base class for a user-interface component. More...

class	WWidgetItem
	A layout item that holds a single widget. More...

class	WWidgetItemImpl
	An abstract base class for implementing layout managers. More...

Typedefs
typedef std::set< WModelIndex >	WModelIndexSet
	A set of WModelIndexes.

typedef std::vector< WModelIndex >	WModelIndexList
	List of indexes. More...

Enumerations

Functions
WString	asString (const cpp17::any &v, const WString &formatString=WString())
	Interprets a cpp17::any as a string value. More...

double	asNumber (const cpp17::any &v)
	Interprets a cpp17::any as a number value. More...

template<typename Type >
void	registerType ()
	Registers MVC-support for a type passed in a cpp17::any. More...

template<typename T , std::size_t A, std::size_t B, std::size_t C>
WGenericMatrix< T, A, C >	operator* (const WGenericMatrix< T, A, B > &l, const WGenericMatrix< T, B, C > &r)
	Multiply two matrices.

template<typename T , std::size_t Rows, std::size_t Cols>
std::ostream &	operator<< (std::ostream &os, const WGenericMatrix< T, Rows, Cols > &m)
	Print the matrix to an ostream.

template<typename T , std::size_t Rows, std::size_t Cols>
WGenericMatrix< T, Rows, Cols >	operator* (const T &factor, const WGenericMatrix< T, Rows, Cols > &m)
	Multiply every element in the matrix with the given factor.

template<typename T , std::size_t Rows, std::size_t Cols>
WGenericMatrix< T, Rows, Cols >	operator* (const WGenericMatrix< T, Rows, Cols > &m, const T &factor)
	Multiply every element in the matrix with the given factor.

template<typename T , std::size_t Rows, std::size_t Cols>
WGenericMatrix< T, Rows, Cols >	operator/ (const WGenericMatrix< T, Rows, Cols > &m, const T &factor)
	Divide every element in the matrix by the given factor.

template<typename T , std::size_t Rows, std::size_t Cols>
WGenericMatrix< T, Rows, Cols >	operator+ (const WGenericMatrix< T, Rows, Cols > &l, const WGenericMatrix< T, Rows, Cols > &r)
	Add two matrices together.

template<typename T , std::size_t Rows, std::size_t Cols>
WGenericMatrix< T, Rows, Cols >	operator- (const WGenericMatrix< T, Rows, Cols > &l, const WGenericMatrix< T, Rows, Cols > &r)
	Substract two matrices.

template<typename T , std::size_t Rows, std::size_t Cols>
WGenericMatrix< T, Rows, Cols >	operator- (const WGenericMatrix< T, Rows, Cols > &m)
	Negate every element in the matrix.

std::u16string	toUTF16 (const std::u32string &s)
	Convert a UTF-32 string to UTF-16.

std::u32string	toUTF32 (const std::u16string &s)
	Convert a UTF-16 string to UTF-32.

Variables
static const WFlags< AlignmentFlag >	AlignHorizontalMask
	Combination of all horizontal alignment flags.

static const WFlags< AlignmentFlag >	AlignVerticalMask
	Combination of all vertical alignment flags.

static const WFlags< MatchFlag >	MatchTypeMask
	Type part of MatchFlags.

static const WFlags< ValidationStyleFlag >	ValidationAllStyles = ValidationStyleFlag::InvalidStyle \| ValidationStyleFlag::ValidStyle
	All validation styles.

Detailed Description

The namespace for Wt.

Typedef Documentation

typedef std::vector<WModelIndex> Wt::WModelIndexList

List of indexes.

The list is defined as std::vector<WModelIndex>.

Enumeration Type Documentation

enum Wt::AlignmentFlag

strong

Enumeration that specifies a horizontal or a vertical alignment.

The vertical alignment flags are AlignmentFlag::Baseline, AlignmentFlag::Sub, AlignmentFlag::super, AlignmentFlag::Top, AlignmentFlag::TextTop, AlignmentFlag::Middle, AlignmentFlag::Bottom and AlignmentFlag::TextBottom.

The horizontal alignment flags are AlignmentFlag::Left, AlignmentFlag::Right, AlignmentFlag::Center and AlignmentFlag::Justify.

When used with setVerticalAlignment(), this applies only to inline widgets and determines how to position itself on the current line, with respect to sibling inline widgets.

When used with WTableCell::setContentAlignment(), this determines the vertical alignment of contents within the table cell.

When used with WPainter::drawText(), this determines the horizontal and vertical alignment of the text with respect to the bounding rectangle.

When used with WContainerWidget::setContentAlignment(), this specifies how contents should be aligned horizontally within the container.

Not all values are applicable in all situations. The most commonly used values are AlignmentFlag::Left, AlignmentFlag::Center, AlignmentFlag::Right, AlignmentFlag::Bottom, AlignmentFlag::Middle and AlignmentFlag::Top.

Enumerator
Left	Align to the left.
Right	Align to the right.
Center	Align horizontally in the center.
Justify	Justify left and right.
Baseline	Align at baseline (default alignment).
Sub	Align below the baseline (as if subscript).
Super	Align above the baseline (as if superscript).
Top	Align top of widget with top of tallest sibling widget.
TextTop	Align top of widget with the top of the parent widget's font.
Middle	Align vertically the middle to the middle of the parent widget.
Bottom	Align bottom of widget to the bottom of the lowest sigling widget.
TextBottom	Align bottom of widget to the bottom of parent widget's font.

enum Wt::AnimationEffect

strong

An enumeration describing an animation effect.

An animation effect can be the combination of a motion and an optional fade effect, e.g:

AnimationEffect::SlideInFromRight

AnimationEffect::SlideInFromTop | AnimationEffect::Fade

You can specify only one motion effect.

See also: setEffects()

Enumerator
SlideInFromLeft	Slides right to show, left to hide.
SlideInFromRight	Slides left to show, right to hide.
SlideInFromBottom	Slides up to show, down to hide.
SlideInFromTop	Slides down to show, up to hide.
Pop	Pops up to show, pops away to hide.
Fade	Fade effect.

enum Wt::BootstrapVersion

strong

Enumeration to select a bootstrap version.

See also: setVersion()

Enumerator
v2	Bootstrap 2.
v3	Bootstrap 3.

enum Wt::BorderStyle

strong

Enumeration for border style.

Enumerator
None	No border (width ignored), default.
Hidden	Invisible border (of specified width).
Dotted	Dotted border.
Dashed	Dashed border.
Solid	Solid border.
Double	Double lined border.
Groove	Relief border grooved into the canvas.
Ridge	Relief border coming out of the canvas.
Inset	Relief border lowering contents into the canvas.
Outset	Relief border letting contents come out of the canvas.

enum Wt::BorderWidth

strong

Enumeration for border width.

Enumerator
Thin	Browser-dependent 'thin' border.
Medium	Browser-dependent 'medium' border, default.
Thick	Browser-dependent 'thick' border.
Explicit	Explicit width. See also explicitWidth()

enum Wt::CalendarHeaderFormat

strong

The calendar header format.

Enumerator
SingleLetterDayNames	First letter of a day (e.g. 'M' for Monday)
ShortDayNames	First 3 letters of a day (e.g. 'Mon' for Monday)
LongDayNames	Full day name.

enum CharEncoding

Character encodings are used to represent characters in a stream of bytes.

enum Wt::CheckState

strong

Enumeration for the check state of a check box.

See also: WCheckBox

Enumerator
Unchecked	Unchecked.
PartiallyChecked	Partially checked (for a tri-state checkbox)
Checked	Checked.

enum Wt::ChildCountPolicy

An enumeration for the policy to display the child count.

Enumerator
Disabled	Do not display a child count.
Enabled	Always display a child count.
Lazy	Only display a child count when the node is populated.
Lazy	Lazy loading: on first use.

enum Wt::ContentDisposition

strong

Values for the disposition type in the Content-Disposition header.

Enumerator
None	Do not specify a disposition type.
Attachment	Open with a helper application or show 'Save As' dialog.
Inline	View with a browser plugin.

enum Wt::ContentLoading

strong

Enumeration that determines when contents should be loaded.

Enumerator
Lazy	Lazy loading: on first use.
Eager	Pre-loading: before first use.
NextLevel	Pre-load also next level (if applicable, e.g. for WTreeNode)

enum Wt::Cursor

strong

Enumeration for a cursor style.

See also: WCssDecorationStyle::setCursor(), WAbstractArea::setCursor()

Enumerator
Arrow	Arrow, CSS 'default' cursor.
Auto	Cursor chosen by the browser, CSS 'auto' cursor.
Cross	Crosshair, CSS 'cross' cursor.
PointingHand	Pointing hand, CSS 'pointer' cursor.
OpenHand	Open hand, CSS 'move' cursor.
Wait	Wait, CSS 'wait' cursor.
IBeam	Text edit, CSS 'text' cursor.
WhatsThis	Help, CSS 'help' cursor.

enum Wt::DialogCode

strong

The result of a modal dialog execution.

Enumerator
Rejected	Dialog closed with reject()
Accepted	Dialog closed with accept()

enum Wt::DomElementType

strong

Enumeration for a DOM element type.

For internal use only.

enum Wt::EchoMode

strong

Enumeration that describes how the contents is displayed.

See also: setEchoMode(EchoMode)

Enumerator
Normal	Characters are shown.
Password	Hide the contents as for a password.

enum Wt::EditOption

strong

Enumeration that specifies editing options.

See also: setEditOptions()

Enumerator
SingleEditor	Never show more than one active editor.
MultipleEditors	Allow multiple editors at the same time.
SaveWhenClosed	Always save the current edit value when closing.
LeaveEditorsOpen	Editors can only be closed using closeEditor()

enum Wt::EditTrigger

strong

Enumeration that specifies the user action that triggers editing.

See also: setEditTriggers(), edit()

Enumerator
None	Do not allow user to initiate editing.
SingleClicked	Edit an item when clicked.
DoubleClicked	Edit an item when double clicked.
SelectedClicked	Edit a selected item that is clicked again.

enum Wt::ElementThemeRole

Enumeration for the role of a DOM element (for theme support)

See also: WTheme::apply()

enum Wt::EntryPointType

strong

Enumeration that indicates a Wt entrypoint type.

An entry point binds a behavior to a public URL. Only the wthttpd connector currently supports multiple entry points.

Enumerator

Application

Specifies a full-screen application.

A full screen application manages the entire browser window and provides its own HTML page.

See also: WServer::addEntryPoint(), WApplication::root()

WidgetSet

Specifies an application that manages one or more widgets.

A widget set application is part of an existing HTML page. One or more HTML elements in that web page may be bound to widgets managed by the application.

The application presents itself as a JavaScript file, and therefore should be embedded in the web page using a <script> tag, from within the <body> (since it needs access to the <body>).

Note: A EntryPointType::WidgetSet application requires JavaScript support

See also: WServer::addEntryPoint(), WApplication::bindWidget()

StaticResource

Specifies a static resource.

A static resource binds a WResource to a public URL, and is not bound to a specific session.

See also: WServer::addResource()

enum Wt::EventType

strong

An enumeration describing an event's type.

See also: WEvent::eventType()

Enumerator
Other	An event which is not user- or timer-initiated.
User	A user-initiated event.
Timer	A timer-initiated event.
Resource	An event which is a resource request.

enum Wt::FontFamily

strong

The generic font family.

Enumerator
Default	Browser-dependent default.
Serif	for example: Times
SansSerif	for example: Helvetica
Cursive	for example: Zapf-Chancery
Fantasy	for example: Western
Monospace	for example: Courier

enum Wt::FontSize

strong

The font size.

Enumerator
XXSmall	Extra Extra small.
XSmall	Extra small.
Small	Small.
Medium	Medium, default.
Large	Large.
XLarge	Extra large.
XXLarge	Extra Extra large.
Smaller	Relatively smaller than the parent widget.
Larger	Relatively larger than the parent widget.
FixedSize	Explicit size, See also fontFixedSize()

enum Wt::FontStyle

strong

The font style.

Enumerator
Normal	Normal (default)
Italic	Italic.
Oblique	Oblique.

enum Wt::FontVariant

strong

The font variant.

Enumerator
Normal	Normal (default)
SmallCaps	Small Capitals.

enum Wt::FontWeight

strong

The font weight.

Enumerator
Normal	Normal (default) (Value == 400)
Bold	Bold (Value == 700)
Bolder	Bolder than the parent widget.
Lighter	Lighter than the parent widget.
Value	Specify a value (100 - 900)

enum Wt::GLClientSideRenderer

strong

Specifies what GL function needs to be updated.

Enumerator
PAINT_GL	refresh paintGL()
RESIZE_GL	refresh resizeGL()
UPDATE_GL	refresh updateGL()

enum Wt::GLRenderOption

strong

Enumeration for render options.

See also: setRenderOptions()

Enumerator
ClientSide	Enables client-side rendering.
ServerSide	Enables server-side rendering.
AntiAliasing	Enables anti-aliasing.

enum Wt::GoogleMapsVersion

strong

Enumerator
v2	API Version 2.x.
v3	API Version 3.x.

enum Wt::HtmlContentType

strong

Enumeration for HTML content type.

Enumerator
XHTML1	XHTML1.x.
HTML4	HTML4.
HTML5	HTML5.

enum Wt::Icon

strong

Enumeration that indiciates a standard icon.

See also: WMessageBox

Enumerator
None	No icon.
Information	An information icon.
Warning	A warning icon.
Critical	A critical icon.
Question	A question icon.

enum Wt::InputMaskFlag

strong

Enumeration that describes options for input masks.

See also: setInputMask()

Enumerator
KeepMaskWhileBlurred	Keep the input mask when blurred.

enum Wt::LayoutDirection

strong

An enumeration describing a layout direction.

Enumerator
LeftToRight	Left-to-Right layout.
RightToLeft	Right-to-left layout.
TopToBottom	Top-to-bottom layout.
BottomToTop	Bottom-to-top layout.

enum Wt::LayoutImplementation

strong

Enumeration to indicate which layout implementation to use.

See also: WLayout::setPreferredImplementation()

Enumerator
Flex	Use CSS flex layout (if supported by the browser)
JavaScript	Uses the classic JavaScript-based method. In some cases flex layout may fail when nesting multiple layouts, so this method can be used instead.

enum Wt::LayoutPosition

strong

Enumeration of possible positions in the layout.

Enumerator
North	North (top)
East	East (right)
South	South (bottom)
West	West (left)
Center	Center.

enum Wt::LengthUnit

strong

CSS length unit type.

Enumerator
FontEm	The relative font size.
FontEx	The height of an 'x' in the font.
Pixel	Pixel, relative to canvas resolution.
Inch	Inch.
Centimeter	Centimeter.
Millimeter	Millimeter.
Point	Point (1/72 Inch)
Pica	Pica (12 Point)
Percentage	Percentage (meaning context-sensitive)

enum Wt::LinkTarget

strong

Enumeration that specifies where the target of an anchor should be displayed.

See also: WAnchor::setTarget()

Enumerator
Self	Show Instead of the application.
ThisWindow	Show in the top level frame of the application window.
NewWindow	Show in a separate new tab or window.
Download	Useful only for a downloadable resource.

enum Wt::LinkType

strong

An enumeration for a link type.

See also: type()

Enumerator
Url	A static URL.
Resource	A dynamic resource.
InternalPath	An internal path.

enum Wt::MapTypeControl

strong

Enumerator
None	Show no maptype control.
Default	Show the default maptype control.
Menu	Show the dropdown menu maptype control.
Hierarchical	Show the hierarchical maptype control.
HorizontalBar	Show the horizontal bar maptype control.

enum Wt::MediaEncoding

strong

An enumeration for a media encoding.

See also: addSource(); http://www.jplayer.org/latest/developer-guide/#jPlayer-media-encoding

Enumerator
PosterImage	The poster image (e.g. JPG/PNG) for a video.
MP3	Audio: MP3 encoding (essential audio format)
M4A	Audio: MP4 encoding (essential audio format)
OGA	Audio: OGG encoding.
WAV	Audio: WAV (uncompressed) format.
WEBMA	Audio: WebM encoding.
FLA	Audio: Flash format.
M4V	Video: MP4 encoding (essential video format)
OGV	Video: OGG encoding.
WEBMV	Video: WebM encoding.
FLV	Video: Flash format.

enum Wt::MediaPlayerButtonId

strong

An enumeration for a button function.

See also: setButton(), button()

Enumerator
VideoPlay	Play button which overlays the video (for Video only)
Play	Play button, is hidden while playing.
Pause	Pause button, is hidden while paused.
Stop	Stop button.
VolumeMute	Volume mute button.
VolumeUnmute	Volume unmute button.
VolumeMax	Volume max button.
FullScreen	Toggle button for full screen, is hidden while full screen (for Video only)
RestoreScreen	Toggle button to restore the screen, is shown only in full screen (for Video only)
RepeatOn	Toggle button to enable looping, is hidden while repeating is on
RepeatOff	Toggle button to disable looping, is hidden while repeat is off

enum Wt::MediaPlayerProgressBarId

strong

An enumeration for a progressbar function.

See also: setProgressBar(), progressBar()

Enumerator
Time	The time bar.
Volume	The volume bar.

enum Wt::MediaPlayerTextId

strong

An enumeration for a text.

See also: setText(), text()

Enumerator
CurrentTime	Displays the current time.
Duration	Displays the total duration.
Title	Displays the title set in setTitle()

enum Wt::MediaPreloadMode

strong

Enumeration for preload strategy.

Enumerator
None	Hints that the user will probably not play the video.
Auto	Hints that it is ok to download the entire resource.
Metadata	Hints that retrieving metadata is a good option.

enum Wt::MediaReadyState

strong

Enumeration that indicates how much of (a media) is loaded.

Enumerator
HaveNothing	No information available.
HaveMetaData	Metadata loaded: duration, width, height.
HaveCurrentData	Data at playback position is available.
HaveFutureData	Have data to play for a while.
HaveEnoughData	Enough to reach the end without stalling.

enum Wt::MediaType

strong

An enumeration for a media type.

Enumerator
Audio	Defines an audio player.
Video	Defines a video player.

enum Wt::MetaHeaderType

strong

Enumeration that indicates a meta header type.

See also: WApplication::addMetaHeader()

Enumerator
Meta	Of the form <meta name=... content=... >.
Property	Of the form <meta property=... content=... >.
HttpHeader	Of the form <meta http-equiv=... content=... >.

enum Wt::MouseButton

strong

Enumeration for the mouse button.

Enumerator
None	No button.
Left	Left button.
Middle	Middle button.
Right	Right button.

enum Wt::Orientation

strong

Enumeration that indicates a direction.

Enumerator
Horizontal	Horizontal.
Vertical	Vertical.

enum Wt::Overflow

strong

How to handle overflow of inner content.

Enumerator
Visible	Show content that overflows.
Auto	Show scrollbars when needed.
Hidden	Hide content that overflows.
Scroll	Always show scroll bars.

enum Wt::PaintDeviceFeatureFlag

strong

Enumeration to indicate paint device features.

See also: features()

Enumerator
WordWrap	Implements drawText() with Wt::TextFlag::WordWrap.
FontMetrics	Implements fontMetrics() and measureText()

enum Wt::PainterChangeFlag

strong

Enumeration to communicate painter state changes.

See also: setChanged(WFlags<ChangeFlag>)

Enumerator
Pen	Properties of the pen have changed.
Brush	Properties of the brush have changed.
Font	Properties of the font have changed.
Hints	Some render hints have changed.
Transform	The transformation has changed.
Clipping	The clipping has changed.
Shadow	Properties of the shadow have changed.

enum Wt::PaintFlag

strong

Enumeration that indicates how to change a selection.

See also: WPaintedWidget::update(), WPaintDevice::paintFlags()

Enumerator
Update	The canvas is not cleared, but further painted on.

enum Wt::PlayerOption

strong

Enumeration for playback options.

Enumerator
Autoplay	Start playing as soon as the video is loaded.
Loop	Enable loop mode.
Controls	Show video controls in the browser.

enum Wt::PopupTrigger

strong

Enumeration that defines a trigger for showing the popup.

See also: forEdit()

Enumerator

Editing

Shows popup when the user starts editing.

The popup is shown when the currently edited text has a length longer than the filter length.

DropDownIcon

Shows popup when user clicks a drop down icon.

The lineedit is modified to show a drop down icon, and clicking the icon shows the suggestions, very much like a WComboCox. line edit.

enum Wt::PositionScheme

strong

Enumeration that specifies a layout mechanism for a widget.

The layout mechanism determines how the widget positions itself relative to the parent or sibling widgets.

See also: WWidget::setPositionScheme(PositionScheme scheme)

Enumerator
Static	Static position scheme. The widget is layed-out with other PositionScheme::Static and PositionScheme::Relative sibling widgets, one after another. Inline widgets are layed out in horizontal lines (like text), wrapping around at the end of the line to continue on the next line. Block widgets are stacked vertically. PositionScheme::Static widgets may also float to the left or right border, using setFloatSide().
Relative	Relative position scheme. The widget is first layed out according to PositionScheme::Static layout rules, but after layout, the widget may be offset relative to where it would be in a static layout, using setOffsets(). Another common use of a PositionScheme::Relative position scheme (even with no specified offsets) is to provide a new reference coordinate system for Absolutely positioned widgets.
Absolute	Absolute position scheme. The widget is positioned at an absolute position with respect to the nearest ancestor widget that is either: a WTableCell or has a position scheme that is PositionScheme::Relative or PositionScheme::Absolute.
Fixed	Fixed position scheme. The widget is positioned at fixed position with respect to the browser's view-pane.

enum Wt::Property

strong

Enumeration for a DOM property.

This is an internal API, subject to change.

enum Wt::RenderHint

strong

Enumeration for render hints.

Enumerator
Antialiasing	Antialiasing.
LowQualityShadows	Use low-quality shadows (applies only to VML)

enum Wt::RenderMethod

strong

Enumeration that indicates a client-side rendering method for a painted widget.

See also: WPaintedWidget

Enumerator
InlineSvgVml	SVG (Most browsers) or VML (Internet Explorer < 9) embedded in the page.
HtmlCanvas	The HTML5 canvas element.
PngImage	Using a PNG image resource.

enum Wt::ScrollHint

strong

Enumeration that specifies a scrolling option.

See also: scrollTo()

Enumerator
EnsureVisible	Scrolls minimally to make it visible.
PositionAtTop	Positions the item at the top of the viewport.
PositionAtBottom	Positions the item at the bottom of the viewport.
PositionAtCenter	Positions the item at the center of the viewport.

enum Wt::SegmentType

The segment type

Enumerator
MoveTo	moveTo segment
LineTo	lineTo segment
CubicC1	first control point of cubic bezier curve. Always followed by a CubicC2 and CubicEnd segment
CubicC2	second control point of cubic bezier curve Always followed by a CubicEnd segment
CubicEnd	end point of cubic bezier curve
QuadC	control point of quadratic bezier curve
QuadEnd	end point of quadratic bezier curve
ArcC	center of an arc Always followed by an ArcR and ArcAngleSweep segment
ArcR	radius of an arc Always followed by an ArcAngleSweep segment
ArcAngleSweep	the sweep of an arc x = startAngle, y = spanAngle

enum Wt::SelectionBehavior

strong

Enumeration that indicates what is being selected.

See also: WTreeView::setSelectionBehavior()

Enumerator
Items	SelectionFlag::Select single items.
Rows	SelectionFlag::Select only rows.

enum Wt::SelectionFlag

strong

Enumeration that indicates how to change a selection.

See also: WTreeView::select()

Enumerator
Select	Add to selection.
Deselect	Remove from selection.
ToggleSelect	Toggle in selection.
ClearAndSelect	Clear selection and add single item.

enum Wt::SelectionMode

strong

Enumeration that indicates how items may be selected.

See also: WTreeView::setSelectionMode()

Enumerator
None	No selections.
Single	Single selection only.
Extended	Multiple selection.

enum Wt::Side

strong

Enumeration that indicates a relative location.

Values of Side::CenterX, Side::CenterY, and CenterXY are only valid for WCssDecorationStyle::setBackgroundImage()

See also: WWidget::setMargin(const WLength& x, WFlags<Side> sides); WWidget::setOffsets(const WLength& x, WFlags<Side> sides); WWidget::setFloatSide(Side s); WWidget::setClearSides(WFlags<Side> sides); WContainerWidget::setPadding(const WLength& x, WFlags<Side> sides); WCssDecorationStyle::setBackgroundImage()

Enumerator
Top	Side::Top side.
Bottom	Side::Bottom side.
Left	Side::Left side.
Right	Side::Right side.
CenterX	Center horiziontally.
CenterY	Center vertically.

enum Wt::StandardButton

strong

Enumeration that indicates a standard button.

Multiple buttons may be specified by logically or'ing these values together, e.g.

StandardButton::Ok | StandardButton::Cancel

See also: WMessageBox

Enumerator
None	No button.
Ok	An OK button.
Cancel	A Cancel button.
Yes	A Yes button.
No	A No button.
Abort	An Abort button.
Retry	A Retry button.
Ignore	An Ignore button.
YesAll	A Yes-to-All button.
NoAll	A No-to-All button.

enum Wt::TemplateWidgetIdMode

strong

Enumeration that indicates how a widget's ID may be set.

See also: setWidgetIdMode()

Enumerator

None

Do not set the widget ID.

SetObjectName

Use setObjectName() to prefix the ID with the varName. This is a safe choice since Wt still guarantees that the IDs are unique.

SetId

Use setId() to set the ID as the varName.

Warning: You must be careful that there are no two widgets with the same ID in yor application.

enum Wt::TextDecoration

strong

Text decoration options.

Enumerator
Underline	Underline.
Overline	Overline.
LineThrough	LineThrough.
Blink	Blink.

enum Wt::TextFlag

strong

Enumeration that specifies the way text should be printed.

See also: WPainter::drawText(const WRectF& rect, WFlags<AlignmentFlag> alignmentFlags, TextFlag textFlag, const WString& text)

Enumerator
SingleLine	Text will be printed on just one line.
WordWrap	Lines will break at word boundaries.

enum Wt::TextFormat

strong

Enumeration that indicates the text format.

See also: WText::setTextFormat()

Enumerator
XHTML	Format text as XSS-safe XHTML markup'ed text.
UnsafeXHTML	Format text as XHTML markup'ed text.
Plain	Format text as plain text.

enum Wt::TimingFunction

strong

A timing function.

The timing function defines how the animation effects are animated during the total duration of the animation.

Enumerator
Ease	Slow start and slow finish.
Linear	Linear throughout.
EaseIn	Slow start.
EaseOut	Slow finish.
EaseInOut	Slow start and even slower finish.
CubicBezier	(Currently unsupported)

enum Wt::UserAgent

strong

An enumeration type for specific user agent.

See also: agent()

Enumerator
Unknown	Unknown user agent.
IEMobile	Internet Explorer Mobile, 5 or older.
IE6	Internet Explorer 6.
IE7	Internet Explorer 7.
IE8	Internet Explorer 8.
IE9	Internet Explorer 9.
IE10	Internet Explorer 10.
IE11	Internet Explorer 11.
Edge	Edge.
Opera	Opera.
Opera10	Opera 10 or later.
WebKit	WebKit.
Safari	Safari 2 or older.
Safari3	Safari 3.
Safari4	Safari 4 or later.
Chrome0	Chrome 0.
Chrome1	Chrome 1.
Chrome2	Chrome 2.
Chrome3	Chrome 3.
Chrome4	Chrome 4.
Chrome5	Chrome 5 or later.
Arora	Arora.
MobileWebKit	Mobile WebKit.
MobileWebKitiPhone	Mobile WebKit iPhone/iPad.
MobileWebKitAndroid	Mobile WebKit Android.
Konqueror	Konqueror.
Gecko	Gecko.
Firefox	Firefox 2 or older.
Firefox3_0	Firefox 3.0.
Firefox3_1	Firefox 3.1.
Firefox3_1b	Firefox 3.1b.
Firefox3_5	Firefox 3.5.
Firefox3_6	Firefox 3.6.
Firefox4_0	Firefox 4.0.
Firefox5_0	Firefox 5.0 or later.
BotAgent	Bot user agent.