Wt  3.3.8
Public Member Functions | Protected Member Functions | List of all members
Wt::WDoubleSpinBox Class Reference

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

#include <Wt/WDoubleSpinBox>

Inheritance diagram for Wt::WDoubleSpinBox:
Inheritance graph
[legend]

Public Member Functions

 WDoubleSpinBox (WContainerWidget *parent=0)
 Creates a spin-box. More...
 
void setMinimum (double minimum)
 Sets the minimum value. More...
 
double minimum () const
 Returns the minimum value. More...
 
void setMaximum (double maximum)
 Sets the maximum value. More...
 
double maximum () const
 Returns the maximum value. More...
 
void setRange (double minimum, double maximum)
 Sets the range. More...
 
void setSingleStep (double step)
 Sets the step value. More...
 
double singleStep () const
 Returns the step value. More...
 
void setDecimals (int precision)
 Sets the precision. More...
 
int decimals () const
 Returns the precision. More...
 
void setValue (double value)
 Sets the value. More...
 
double value () const
 Returns the value. More...
 
Signal< double > & valueChanged ()
 A signal that indicates when the value has changed. More...
 
virtual void refresh ()
 Refresh the widget. More...
 
- Public Member Functions inherited from Wt::WAbstractSpinBox
void setNativeControl (bool nativeControl)
 Configures whether a native HTML5 control should be used. More...
 
bool nativeControl () const
 Returns whether a native HTML5 control is used. More...
 
void setPrefix (const WString &prefix)
 Sets a prefix. More...
 
const WStringprefix () const
 Returns the prefix. More...
 
void setSuffix (const WString &suffix)
 Sets a suffix. More...
 
const WStringsuffix () const
 Returns the suffix. More...
 
virtual void setText (const WString &text)
 Sets the content of the line edit. More...
 
virtual WValidator::State validate ()
 Validates the field. More...
 
- Public Member Functions inherited from Wt::WLineEdit
 WLineEdit (WContainerWidget *parent=0)
 Creates a line edit with empty content and optional parent.
 
 WLineEdit (const WString &content, WContainerWidget *parent=0)
 Creates a line edit with given content and optional parent.
 
void setTextSize (int chars)
 Specifies the width of the line edit in number of characters. More...
 
int textSize () const
 Returns the current width of the line edit in number of characters. More...
 
const WStringtext () const
 Returns the current content. More...
 
WString displayText () const
 Returns the displayed text. More...
 
void setMaxLength (int length)
 Specifies the maximum length of text that can be entered. More...
 
int maxLength () const
 Returns the maximum length of text that can be entered. More...
 
void setEchoMode (EchoMode echoMode)
 Sets the echo mode. More...
 
EchoMode echoMode () const
 Returns the echo mode. More...
 
void setAutoComplete (bool enabled)
 Sets (built-in browser) autocomplete support. More...
 
bool autoComplete () const
 Returns auto-completion support. More...
 
int selectionStart () const
 Returns the current selection start. More...
 
WString selectedText () const
 Returns the currently selected text. More...
 
bool hasSelectedText () const
 Returns whether there is selected text. More...
 
void setSelection (int start, int length)
 Selects length characters starting from the start position. More...
 
int cursorPosition () const
 Returns the current cursor position. More...
 
virtual WString valueText () const
 Returns the current value. More...
 
virtual void setValueText (const WString &value)
 Sets the current value. More...
 
WString inputMask () const
 Returns the input mask. More...
 
void setInputMask (const WString &mask="", WFlags< InputMaskFlag > flags=0)
 Sets the input mask. More...
 
EventSignaltextInput ()
 Event signal emitted when the text in the input field changed. More...
 
- Public Member Functions inherited from Wt::WFormWidget
 WFormWidget (WContainerWidget *parent=0)
 Creates a WFormWidget with an optional parent.
 
 ~WFormWidget ()
 Destructor. More...
 
WLabellabel () const
 Returns the label associated with this widget. More...
 
virtual void setHidden (bool hidden, const WAnimation &animation=WAnimation())
 Sets the hidden state of this widget. More...
 
void setValidator (WValidator *validator)
 Sets a validator for this field. More...
 
virtual WValidatorvalidator () const
 Returns the validator.
 
void setEnabled (bool enabled)
 Sets whether the widget is enabled. More...
 
virtual void setReadOnly (bool readOnly)
 Sets the element read-only. More...
 
bool isReadOnly () const
 Returns whether the form element is read-only. More...
 
void setEmptyText (const WString &emptyText)
 Sets the placeholder text (deprecated). More...
 
const WStringemptyText () const
 Returns the placeholder text (deprecated). More...
 
virtual void setPlaceholderText (const WString &placeholder)
 Sets the placeholder text. More...
 
const WStringplaceholderText () const
 Returns the placeholder text. More...
 
EventSignalchanged ()
 Signal emitted when the value was changed. More...
 
EventSignalselected ()
 Signal emitted when ??
 
Signal< WValidator::Result > & validated ()
 Signal emitted when the widget is being validated. More...
 
virtual void setToolTip (const WString &text, TextFormat textFormat=PlainText)
 Sets a tooltip. More...
 
virtual bool canReceiveFocus () const
 Returns whether the widget can receive focus. More...
 
virtual int tabIndex () const
 Returns the tab index. More...
 
- Public Member Functions inherited from Wt::WInteractWidget
 WInteractWidget (WContainerWidget *parent=0)
 Create an InteractWidget with optional parent.
 
EventSignal< WKeyEvent > & keyWentDown ()
 Event signal emitted when a keyboard key is pushed down. More...
 
EventSignal< WKeyEvent > & keyPressed ()
 Event signal emitted when a "character" was entered. More...
 
EventSignal< WKeyEvent > & keyWentUp ()
 Event signal emitted when a keyboard key is released. More...
 
EventSignalenterPressed ()
 Event signal emitted when enter was pressed. More...
 
EventSignalescapePressed ()
 Event signal emitted when escape was pressed. More...
 
EventSignal< WMouseEvent > & clicked ()
 Event signal emitted when a mouse key was clicked on this widget. More...
 
EventSignal< WMouseEvent > & doubleClicked ()
 Event signal emitted when a mouse key was double clicked on this widget. More...
 
EventSignal< WMouseEvent > & mouseWentDown ()
 Event signal emitted when a mouse key was pushed down on this widget. More...
 
EventSignal< WMouseEvent > & mouseWentUp ()
 Event signal emitted when a mouse key was released on this widget. More...
 
EventSignal< WMouseEvent > & mouseWentOut ()
 Event signal emitted when the mouse went out of this widget. More...
 
EventSignal< WMouseEvent > & mouseWentOver ()
 Event signal emitted when the mouse entered this widget. More...
 
EventSignal< WMouseEvent > & mouseMoved ()
 Event signal emitted when the mouse moved over this widget. More...
 
EventSignal< WMouseEvent > & mouseDragged ()
 Event signal emitted when the mouse is dragged over this widget. More...
 
EventSignal< WMouseEvent > & mouseWheel ()
 Event signal emitted when the mouse scroll wheel was used. More...
 
EventSignal< WTouchEvent > & touchStarted ()
 Event signal emitted when a finger is placed on the screen. More...
 
EventSignal< WTouchEvent > & touchEnded ()
 Event signal emitted when a finger is removed from the screen. More...
 
EventSignal< WTouchEvent > & touchMoved ()
 Event signal emitted when a finger, which is already placed on the screen, is moved across the screen. More...
 
EventSignal< WGestureEvent > & gestureStarted ()
 Event signal emitted when a gesture is started. More...
 
EventSignal< WGestureEvent > & gestureChanged ()
 Event signal emitted when a gesture is changed. More...
 
EventSignal< WGestureEvent > & gestureEnded ()
 Event signal emitted when a gesture is ended. More...
 
void setDraggable (const std::string &mimeType, WWidget *dragWidget=0, bool isDragWidgetOnly=false, WObject *sourceWidget=0)
 Configure dragging for drag and drop. More...
 
void unsetDraggable ()
 Disable drag & drop for this widget. More...
 
void setMouseOverDelay (int delay)
 Sets a delay for the mouse over event. More...
 
int mouseOverDelay () const
 Returns the mouse over signal delay. More...
 
virtual void setPopup (bool popup)
 Lets the widget overlay over other sibling widgets. More...
 
virtual void load ()
 Loads content just before the widget is used. More...
 
virtual bool isEnabled () const
 Returns whether the widget is enabled. More...
 
- Public Member Functions inherited from Wt::WWebWidget
 WWebWidget (WContainerWidget *parent=0)
 Construct a WebWidget with a given parent. More...
 
virtual void setPositionScheme (PositionScheme scheme)
 Sets the CSS position scheme. More...
 
virtual PositionScheme positionScheme () const
 Returns the CSS position scheme. More...
 
virtual void setOffsets (const WLength &offset, WFlags< Side > sides=All)
 Sets CSS offsets for a non-statically positioned widget. More...
 
virtual WLength offset (Side s) const
 Returns a CSS offset. More...
 
virtual void resize (const WLength &width, const WLength &height)
 Resizes the widget. More...
 
virtual WLength width () const
 Returns the width. More...
 
virtual WLength height () const
 Returns the height. More...
 
virtual void setMinimumSize (const WLength &width, const WLength &height)
 Sets a minimum size. More...
 
virtual WLength minimumWidth () const
 Returns the minimum width. More...
 
virtual WLength minimumHeight () const
 Returns the minimum height. More...
 
virtual void setMaximumSize (const WLength &width, const WLength &height)
 Sets a maximum size. More...
 
virtual WLength maximumWidth () const
 Returns the maximum width. More...
 
virtual WLength maximumHeight () const
 Returns the maximum height. More...
 
virtual void setLineHeight (const WLength &height)
 Sets the CSS line height for contained text.
 
virtual WLength lineHeight () const
 Returns the CSS line height for contained text. More...
 
virtual void setFloatSide (Side s)
 Specifies a CSS float side. More...
 
virtual Side floatSide () const
 Returns the CSS float side. More...
 
virtual void setClearSides (WFlags< Side > sides)
 Sets the sides that should be cleared of floats. More...
 
virtual WFlags< SideclearSides () const
 Returns the sides that should remain empty. More...
 
virtual void setMargin (const WLength &margin, WFlags< Side > sides=All)
 Sets CSS margins around the widget. More...
 
virtual WLength margin (Side side) const
 Returns a CSS margin set. More...
 
virtual void setHiddenKeepsGeometry (bool enabled)
 Sets whether the widget keeps its geometry when hidden. More...
 
virtual bool hiddenKeepsGeometry () const
 Returns whether the widget keeps its geometry when hidden. More...
 
virtual bool isHidden () const
 Returns whether the widget is set hidden. More...
 
virtual bool isVisible () const
 Returns whether the widget is visible. More...
 
virtual void setDisabled (bool disabled)
 Sets whether the widget is disabled. More...
 
virtual bool isDisabled () const
 Returns whether the widget is set disabled. More...
 
virtual bool isPopup () const
 Returns whether the widget is overlayed. More...
 
virtual void setInline (bool isInline)
 Sets whether the widget is displayed inline or as a block. More...
 
virtual bool isInline () const
 Returns whether the widget is displayed inline or as block. More...
 
virtual void setDecorationStyle (const WCssDecorationStyle &style)
 Sets a CSS decoration style. More...
 
virtual WCssDecorationStyledecorationStyle ()
 Returns the decoration style of this widget. More...
 
virtual void setStyleClass (const WString &styleClass)
 Sets (one or more) CSS style classes. More...
 
virtual WString styleClass () const
 Returns the CSS style class. More...
 
virtual void addStyleClass (const WString &styleClass, bool force=false)
 Adds a CSS style class. More...
 
virtual void removeStyleClass (const WString &styleClass, bool force=false)
 Removes a CSS style class. More...
 
virtual bool hasStyleClass (const WString &styleClass) const
 Returns whether the widget has a style class.
 
virtual void setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength())
 Sets the vertical alignment. More...
 
virtual AlignmentFlag verticalAlignment () const
 Returns the vertical alignment. More...
 
virtual WLength verticalAlignmentLength () const
 Returns the fixed vertical alignment that was set. More...
 
virtual void setDeferredToolTip (bool enable, TextFormat textFormat=PlainText)
 Enable deferred tooltip. More...
 
virtual WString toolTip () const
 Returns the tooltip.
 
virtual void setAttributeValue (const std::string &name, const WString &value)
 Sets an attribute value. More...
 
virtual WString attributeValue (const std::string &name) const
 Returns an attribute value. More...
 
virtual void setJavaScriptMember (const std::string &name, const std::string &value)
 Sets a JavaScript member. More...
 
virtual std::string javaScriptMember (const std::string &name) const
 Returns the value of a JavaScript member. More...
 
virtual void callJavaScriptMember (const std::string &name, const std::string &args)
 Calls a JavaScript member. More...
 
virtual bool loaded () const
 Returns whether this widget has been loaded. More...
 
virtual void setId (const std::string &id)
 Sets the CSS Id. More...
 
virtual WWidgetfind (const std::string &name)
 Finds a descendent widget by name. More...
 
virtual WWidgetfindById (const std::string &id)
 Finds a descendent widget by id.
 
virtual void setSelectable (bool selectable)
 Sets as selectable. More...
 
virtual void doJavaScript (const std::string &javascript)
 Executes the given JavaScript statements when the widget is rendered or updated. More...
 
virtual const std::string id () const
 Returns the (unique) identifier for this object. More...
 
void setLoadLaterWhenInvisible (bool)
 Change the way the widget is loaded when invisible. More...
 
std::string htmlTagName () const
 returns the current html tag name More...
 
void setHtmlTagName (const std::string &tag)
 set the custom HTML tag name More...
 
const std::vector< WWidget * > & children () const
 Returns contained widgets. More...
 
SignalchildrenChanged ()
 Signal emitted when children have been added or removed. More...
 
virtual void setCanReceiveFocus (bool enabled)
 Sets whether the widget can receive focus. More...
 
virtual bool setFirstFocus ()
 Set focus on the widget's first descendant. More...
 
virtual void setFocus (bool focus)
 Sets focus. More...
 
virtual bool hasFocus () const
 Returns whether the widget currently has the focus.
 
virtual void setTabIndex (int index)
 Sets the tab index. More...
 
EventSignalblurred ()
 Signal emitted when the widget lost focus. More...
 
EventSignalfocussed ()
 Signal emitted when the widget recieved focus. More...
 
virtual bool scrollVisibilityEnabled () const WT_CXX11ONLY(finaloverride)
 Returns whether scroll visibility detection is enabled for this widget. More...
 
virtual void setScrollVisibilityEnabled (bool enabled) WT_CXX11ONLY(finaloverride)
 Sets whether scroll visibility detection is enabled for this widget. More...
 
virtual int scrollVisibilityMargin () const WT_CXX11ONLY(finaloverride)
 Returns the margin around the viewport within which the widget is considered visible. More...
 
virtual void setScrollVisibilityMargin (int margin) WT_CXX11ONLY(finaloverride)
 Sets the margin around the viewport within which the widget is considered visible. More...
 
virtual Signal< bool > & scrollVisibilityChanged () WT_CXX11ONLY(finaloverride)
 Signal triggered when the scroll visibility of this widget changes. More...
 
virtual bool isScrollVisible () const WT_CXX11ONLY(finaloverride)
 Returns whether this widget is currently considered scroll visible. More...
 
virtual void setThemeStyleEnabled (bool enabled)
 Sets whether theme styling for a widget is enabled or disabled. More...
 
virtual bool isThemeStyleEnabled () const
 Returns whether this widget is currently styled by the chosen theme. More...
 
- Public Member Functions inherited from Wt::WWidget
virtual ~WWidget ()
 Destructor. More...
 
WWidgetparent () const
 Returns the parent widget. More...
 
virtual void removeChild (WObject *child)
 Removes a child object. More...
 
void setWidth (const WLength &width)
 Sets the width. More...
 
void setHeight (const WLength &height)
 Sets the height. More...
 
virtual void positionAt (const WWidget *widget, Orientation orientation=Vertical)
 Positions a widget next to another widget. More...
 
virtual void toggleStyleClass (const WString &styleClass, bool add, bool force=false)
 Toggles a CSS style class.
 
std::string jsRef () const
 Returns a JavaScript expression to the corresponding DOM node. More...
 
void setFocus ()
 Sets focus. More...
 
virtual void acceptDrops (const std::string &mimeType, const WString &hoverStyleClass=WString())
 Sets a mime type to be accepted for dropping. More...
 
virtual void stopAcceptDrops (const std::string &mimeType)
 Indicates that a mime type is no longer accepted for dropping. More...
 
virtual void setObjectName (const std::string &name)
 Sets an object name. More...
 
virtual void htmlText (std::ostream &out)
 Streams the (X)HTML representation. More...
 
bool isRendered () const
 Returns whether the widget is rendered. More...
 
void hide ()
 Hides the widget. More...
 
void animateHide (const WAnimation &animation)
 Hides the widget using an animation. More...
 
void show ()
 Shows the widget. More...
 
void animateShow (const WAnimation &animation)
 Shows the widget using an animation. More...
 
void enable ()
 Enables the widget. More...
 
void disable ()
 Disable thes widget. More...
 
bool layoutSizeAware () const
 Returns whether the widget is layout size aware. More...
 
- Public Member Functions inherited from Wt::WObject
 WObject (WObject *parent=0)
 Create a WObject with a given parent object. More...
 
virtual ~WObject ()
 Destructor. More...
 
virtual std::string objectName () const
 Returns the object name. More...
 
void resetLearnedSlots ()
 Resets learned stateless slot implementations. More...
 
template<class T >
void resetLearnedSlot (void(T::*method)())
 Resets a learned stateless slot implementation. More...
 
template<class T >
WStatelessSlot * implementStateless (void(T::*method)())
 Declares a slot to be stateless and learn client-side behaviour on first invocation. More...
 
template<class T >
WStatelessSlot * implementStateless (void(T::*method)(), void(T::*undoMethod)())
 Declares a slot to be stateless and learn client-side behaviour in advance. More...
 
void isNotStateless ()
 Marks the current function as not stateless. More...
 
template<class T >
WStatelessSlot * implementJavaScript (void(T::*method)(), const std::string &jsCode)
 Provides a JavaScript implementation for a method. More...
 
void addChild (WObject *child)
 Adds a child object. More...
 
const std::vector< WObject * > & children () const
 Returns the children.
 
WObjectparent () const
 Returns the parent object.
 

Protected Member Functions

virtual void render (WFlags< RenderFlag > flags)
 Renders the widget. More...
 
- Protected Member Functions inherited from Wt::WAbstractSpinBox
 WAbstractSpinBox (WContainerWidget *parent=0)
 Constructor.
 
virtual int boxPadding (Orientation orientation) const
 Returns the widget's built-in padding. More...
 
- Protected Member Functions inherited from Wt::WLineEdit
virtual int boxBorder (Orientation orientation) const
 Returns the widget's built-in border width. More...
 
- Protected Member Functions inherited from Wt::WFormWidget
virtual void enableAjax ()
 Progresses to an Ajax-enabled widget. More...
 
virtual void propagateSetEnabled (bool enabled)
 Propagates that a widget was enabled or disabled through children. More...
 
- Protected Member Functions inherited from Wt::WWebWidget
virtual WStatelessSlot * getStateless (Method method)
 On-demand stateless slot implementation. More...
 
- Protected Member Functions inherited from Wt::WWidget
void setLayoutSizeAware (bool sizeAware)
 Sets the widget to be aware of its size set by a layout manager. More...
 
virtual void layoutSizeChanged (int width, int height)
 Virtual method that indicates a size change. More...
 
 WWidget (WContainerWidget *parent=0)
 Creates a widget. More...
 
virtual void dropEvent (WDropEvent dropEvent)
 Handles a drop event. More...
 
void scheduleRender (WFlags< RepaintFlag > flags=0)
 Schedules rerendering of the widget. More...
 

Additional Inherited Members

- Public Types inherited from Wt::WLineEdit
- Public Types inherited from Wt::WObject
typedef void(WObject::* Method) ()
 Typedef for a WObject method without arguments.
 
- Static Public Member Functions inherited from Wt::WWebWidget
static WString escapeText (const WString &text, bool newlinesToo=false)
 Escape HTML control characters in the text, to display literally (deprecated). More...
 
static std::string & escapeText (std::string &text, bool newlinestoo=false)
 Escape HTML control characters in the text, to display literally (deprecated). More...
 
static bool removeScript (WString &text)
 Remove tags/attributes from text that are not passive (deprecated). More...
 
static std::string jsStringLiteral (const std::string &v, char delimiter= '\'')
 Turn a UTF8 encoded string into a JavaScript string literal. More...
 
- Static Public Member Functions inherited from Wt::WWidget
static WString tr (const char *key)
 Short hand for WString::tr() More...
 
- Static Protected Member Functions inherited from Wt::WObject
static WObjectsender ()
 Returns the sender of the current slot call. More...
 

Detailed Description

An input control for fixed point numbers.

The spin box provides a control for entering a fixed point number. It consists of a line edit, and buttons which allow to increase or decrease the value. If you rather need input of an integer number number, use WSpinBox instead.

WDoubleSpinBox is an inline widget.

See also
WSpinBox
Note
A spinbox configures a validator for validating the input. Therefore you cannot set a validator yourself.

Constructor & Destructor Documentation

Wt::WDoubleSpinBox::WDoubleSpinBox ( WContainerWidget parent = 0)

Creates a spin-box.

The range is (0.0 - 99.99), the step size 1.0, and the spin box has a precision of 2 decimals.

The initial value is 0.0.

Member Function Documentation

int Wt::WDoubleSpinBox::decimals ( ) const
virtual

Returns the precision.

See also
setDecimals()

Implements Wt::WAbstractSpinBox.

double Wt::WDoubleSpinBox::maximum ( ) const

Returns the maximum value.

See also
setMaximum()
double Wt::WDoubleSpinBox::minimum ( ) const

Returns the minimum value.

See also
setMinimum()
void Wt::WDoubleSpinBox::refresh ( )
virtual

Refresh the widget.

The refresh method is invoked when the locale is changed using WApplication::setLocale() or when the user hit the refresh button.

The widget must actualize its contents in response.

Note
This does *not* rerender the widget! Calling refresh() usually does not have any effect (unless you've reimplemented refresh() to attach to it an effect).

Reimplemented from Wt::WAbstractSpinBox.

void Wt::WDoubleSpinBox::render ( WFlags< RenderFlag flags)
protectedvirtual

Renders the widget.

This function renders the widget (or an update for the widget), after this has been scheduled using scheduleRender().

The default implementation will render the widget by serializing changes to JavaScript and HTML. You may want to reimplement this widget if you have been postponing some of the layout / rendering implementation until the latest moment possible. In that case you should make sure you call the base implementation however.

Reimplemented from Wt::WAbstractSpinBox.

void Wt::WDoubleSpinBox::setDecimals ( int  precision)

Sets the precision.

This sets the number of digits after the decimal point shown

The default precision is 2.

void Wt::WDoubleSpinBox::setMaximum ( double  maximum)

Sets the maximum value.

The default value is 99.99.

void Wt::WDoubleSpinBox::setMinimum ( double  minimum)

Sets the minimum value.

The default value is 0.0.

void Wt::WDoubleSpinBox::setRange ( double  minimum,
double  maximum 
)

Sets the range.

See also
setMinimum(), setMaximum()
void Wt::WDoubleSpinBox::setSingleStep ( double  step)

Sets the step value.

The default value is 1.0.

void Wt::WDoubleSpinBox::setValue ( double  value)

Sets the value.

value must be a value between minimum() and maximum().

The default value is 0

double Wt::WDoubleSpinBox::singleStep ( ) const

Returns the step value.

See also
setSingleStep()
double Wt::WDoubleSpinBox::value ( ) const

Returns the value.

Note
This value may not correctly reflect the valueText() of the spin box if valueText() is empty or if the contents are not in a valid state.
Signal<double>& Wt::WDoubleSpinBox::valueChanged ( )

A signal that indicates when the value has changed.

This signal is emitted when setValue() is called.

See also
setValue()

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