Wt examples  4.0.5
Public Member Functions | List of all members
ScatterPlotExample Class Reference

A Widget that demonstrates a scatter plot. More...

#include <ChartsExample.h>

Inheritance diagram for ScatterPlotExample:
Inheritance graph

Public Member Functions

 ScatterPlotExample ()
 Creates the scatter plot example. More...
- Public Member Functions inherited from Wt::WContainerWidget
 WContainerWidget ()
 ~WContainerWidget ()
void setLayout (std::unique_ptr< WLayout > layout)
WLayoutlayout () const
virtual void addWidget (std::unique_ptr< WWidget > widget)
Widget * addWidget (std::unique_ptr< Widget > widget)
Widget * addNew (Args &&...args)
virtual void insertBefore (std::unique_ptr< WWidget > widget, WWidget *before)
Widget * insertBefore (std::unique_ptr< Widget > widget, WWidget *before)
virtual void insertWidget (int index, std::unique_ptr< WWidget > widget)
Widget * insertWidget (int index, std::unique_ptr< Widget > widget)
Widget * insertNew (int index, Args &&...args)
virtual std::unique_ptr< WWidgetremoveWidget (WWidget *widget) override
virtual void clear ()
virtual int indexOf (WWidget *widget) const
virtual WWidgetwidget (int index) const
virtual int count () const
void setContentAlignment (WFlags< AlignmentFlag > contentAlignment)
void setPadding (const WLength &padding, WFlags< Side > sides=AllSides)
WLength padding (Side side) const
WFlags< AlignmentFlagcontentAlignment () const
void setOverflow (Overflow overflow, WFlags< Orientation > orientation=(Orientation::Horizontal|Orientation::Vertical))
void setList (bool list, bool ordered=false)
bool isList () const
bool isUnorderedList () const
bool isOrderedList () const
EventSignal< WScrollEvent > & scrolled ()
int scrollTop () const
int scrollLeft () const
- Public Member Functions inherited from Wt::WInteractWidget
 WInteractWidget ()
EventSignal< WKeyEvent > & keyWentDown ()
EventSignal< WKeyEvent > & keyPressed ()
EventSignal< WKeyEvent > & keyWentUp ()
EventSignalenterPressed ()
EventSignalescapePressed ()
EventSignal< WMouseEvent > & clicked ()
EventSignal< WMouseEvent > & doubleClicked ()
EventSignal< WMouseEvent > & mouseWentDown ()
EventSignal< WMouseEvent > & mouseWentUp ()
EventSignal< WMouseEvent > & mouseWentOut ()
EventSignal< WMouseEvent > & mouseWentOver ()
EventSignal< WMouseEvent > & mouseMoved ()
EventSignal< WMouseEvent > & mouseDragged ()
EventSignal< WMouseEvent > & mouseWheel ()
EventSignal< WTouchEvent > & touchStarted ()
EventSignal< WTouchEvent > & touchEnded ()
EventSignal< WTouchEvent > & touchMoved ()
EventSignal< WGestureEvent > & gestureStarted ()
EventSignal< WGestureEvent > & gestureChanged ()
EventSignal< WGestureEvent > & gestureEnded ()
void setDraggable (const std::string &mimeType, WWidget *dragWidget=nullptr, bool isDragWidgetOnly=false, WObject *sourceWidget=nullptr)
void unsetDraggable ()
void setMouseOverDelay (int delay)
int mouseOverDelay () const
virtual void setPopup (bool popup) override
virtual void load () override
virtual bool isEnabled () const override
- Public Member Functions inherited from Wt::WWebWidget
 WWebWidget ()
virtual std::vector< WWidget *> children () const override
SignalchildrenChanged ()
virtual void setPositionScheme (PositionScheme scheme) override
virtual PositionScheme positionScheme () const override
virtual void setOffsets (const WLength &offset, WFlags< Side > sides=AllSides) override
virtual WLength offset (Side s) const override
virtual void resize (const WLength &width, const WLength &height) override
virtual WLength width () const override
virtual WLength height () const override
virtual void setMinimumSize (const WLength &width, const WLength &height) override
virtual WLength minimumWidth () const override
virtual WLength minimumHeight () const override
virtual void setMaximumSize (const WLength &width, const WLength &height) override
virtual WLength maximumWidth () const override
virtual WLength maximumHeight () const override
virtual void setLineHeight (const WLength &height) override
virtual WLength lineHeight () const override
virtual void setFloatSide (Side s) override
virtual Side floatSide () const override
virtual void setClearSides (WFlags< Side > sides) override
virtual WFlags< SideclearSides () const override
virtual void setMargin (const WLength &margin, WFlags< Side > sides=AllSides) override
virtual WLength margin (Side side) const override
virtual void setHiddenKeepsGeometry (bool enabled) override
virtual bool hiddenKeepsGeometry () const override
virtual void setHidden (bool hidden, const WAnimation &animation=WAnimation()) override
virtual bool isHidden () const override
virtual bool isVisible () const override
virtual void setDisabled (bool disabled) override
virtual bool isDisabled () const override
virtual bool isPopup () const override
virtual void setInline (bool isInline) override
virtual bool isInline () const override
virtual void setDecorationStyle (const WCssDecorationStyle &style) override
virtual WCssDecorationStyledecorationStyle () override
virtual void setStyleClass (const WString &styleClass) override
virtual WString styleClass () const override
virtual void addStyleClass (const WString &styleClass, bool force=false) override
virtual void removeStyleClass (const WString &styleClass, bool force=false) override
virtual bool hasStyleClass (const WString &styleClass) const override
virtual void setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength()) override
virtual AlignmentFlag verticalAlignment () const override
virtual WLength verticalAlignmentLength () const override
virtual void setToolTip (const WString &text, TextFormat textFormat=TextFormat::Plain) override
virtual void setDeferredToolTip (bool enable, TextFormat textFormat=TextFormat::Plain) override
virtual WString toolTip () const override
virtual void refresh () override
virtual void setAttributeValue (const std::string &name, const WString &value) override
virtual WString attributeValue (const std::string &name) const override
virtual void setJavaScriptMember (const std::string &name, const std::string &value) override
virtual std::string javaScriptMember (const std::string &name) const override
virtual void callJavaScriptMember (const std::string &name, const std::string &args) override
virtual bool loaded () const override
virtual void setId (const std::string &id) override
virtual WWidgetfind (const std::string &name) override
virtual WWidgetfindById (const std::string &id) override
virtual void setSelectable (bool selectable) override
virtual void doJavaScript (const std::string &javascript) override
virtual const std::string id () const override
void setLoadLaterWhenInvisible (bool)
std::string htmlTagName () const
void setHtmlTagName (const std::string &tag)
virtual void setCanReceiveFocus (bool enabled) override
virtual bool canReceiveFocus () const override
virtual bool setFirstFocus () override
virtual void setFocus (bool focus) override
virtual bool hasFocus () const override
virtual void setTabIndex (int index) override
virtual int tabIndex () const override
EventSignalblurred ()
EventSignalfocussed ()
virtual bool scrollVisibilityEnabled () const final override
virtual void setScrollVisibilityEnabled (bool enabled) final override
virtual int scrollVisibilityMargin () const final override
virtual void setScrollVisibilityMargin (int margin) final override
virtual Signal< bool > & scrollVisibilityChanged () final override
virtual bool isScrollVisible () const final override
virtual void setThemeStyleEnabled (bool enabled) final override
virtual bool isThemeStyleEnabled () const final override
virtual void setObjectName (const std::string &name) override
- Public Member Functions inherited from Wt::WWidget
virtual ~WWidget ()
WWidgetparent () const
std::unique_ptr< WWidgetremoveFromParent ()
void setWidth (const WLength &width)
void setHeight (const WLength &height)
virtual void positionAt (const WWidget *widget, Orientation orientation=Orientation::Vertical)
virtual void toggleStyleClass (const WString &styleClass, bool add, bool force=false)
std::string jsRef () const
void setFocus ()
virtual void acceptDrops (const std::string &mimeType, const WString &hoverStyleClass=WString())
virtual void stopAcceptDrops (const std::string &mimeType)
virtual void htmlText (std::ostream &out)
bool isRendered () const
void hide ()
void animateHide (const WAnimation &animation)
void show ()
void animateShow (const WAnimation &animation)
void enable ()
void disable ()
bool layoutSizeAware () const
- Public Member Functions inherited from Wt::WObject
void addChild (std::unique_ptr< WObject > child)
Child * addChild (std::unique_ptr< Child > child)
std::unique_ptr< WObjectremoveChild (WObject *child)
virtual std::string objectName () const
void resetLearnedSlots ()
void resetLearnedSlot (void(T::*method)())
WStatelessSlot * implementStateless (void(T::*method)())
WStatelessSlot * implementStateless (void(T::*method)(), void(T::*undoMethod)())
void isNotStateless ()
WStatelessSlot * implementJavaScript (void(T::*method)(), const std::string &jsCode)
- Public Member Functions inherited from Wt::Core::observable
 observable () noexcept
virtual ~observable ()
auto bindSafe (void(C::*method)(Args...)) noexcept
auto bindSafe (void(C::*method)(Args...) const) const noexcept
auto bindSafe (const Function &function) noexcept

Additional Inherited Members

- Public Types inherited from Wt::WObject
typedef void(WObject::* Method) ()
- Static Public Member Functions inherited from Wt::WWebWidget
static std::string jsStringLiteral (const std::string &v, char delimiter='\'')
- Static Public Member Functions inherited from Wt::WWidget
static WString tr (const char *key)
- Protected Member Functions inherited from Wt::WInteractWidget
virtual void propagateSetEnabled (bool enabled) override
- Protected Member Functions inherited from Wt::WWebWidget
virtual void enableAjax () override
virtual WStatelessSlot * getStateless (Method method) override
virtual void render (WFlags< RenderFlag > flags) override
- Protected Member Functions inherited from Wt::WWidget
void setLayoutSizeAware (bool sizeAware)
virtual void layoutSizeChanged (int width, int height)
 WWidget ()
virtual void dropEvent (WDropEvent dropEvent)
virtual int boxPadding (Orientation orientation) const
virtual int boxBorder (Orientation orientation) const
void scheduleRender (WFlags< RepaintFlag > flags=None)

Detailed Description

A Widget that demonstrates a scatter plot.

Definition at line 49 of file ChartsExample.h.

Constructor & Destructor Documentation

◆ ScatterPlotExample()

ScatterPlotExample::ScatterPlotExample ( )

Creates the scatter plot example.

Definition at line 294 of file ChartsExample.C.

294  :
296 {
297  this->addWidget(cpp14::make_unique<WText>(WString::tr("scatter plot 2")));
299  std::shared_ptr<WStandardItemModel> model
300  = std::make_shared<WStandardItemModel>(40, 2);
301  std::unique_ptr<NumericItem> prototype
302  = cpp14::make_unique<NumericItem>();
303  model->setItemPrototype(std::move(prototype));
304  model->setHeaderData(0, WString("X"));
305  model->setHeaderData(1, WString("Y = sin(X)"));
307  for (unsigned i = 0; i < 40; ++i) {
308  double x = (static_cast<double>(i) - 20) / 4;
310  model->setData(i, 0, x);
311  model->setData(i, 1, sin(x));
312  }
314  /*
315  * Create the scatter plot.
316  */
317  WCartesianChart *chart = this->addWidget(cpp14::make_unique<WCartesianChart>());
318  chart->setModel(model); // set the model
319  chart->setXSeriesColumn(0); // set the column that holds the X data
320  chart->setLegendEnabled(true); // enable the legend
321  chart->setZoomEnabled(true);
322  chart->setPanEnabled(true);
323  chart->setCrosshairEnabled(true);
325  chart->setBackground(WColor(200,200,200));
327  chart->setType(ChartType::Scatter); // set type to ScatterPlot
329  // Typically, for mathematical functions, you want the axes to cross
330  // at the 0 mark:
334  // Automatically layout chart (space for axes, legend, ...)
335  chart->setAutoLayoutEnabled();
337  // Add the curves
338  std::unique_ptr<WDataSeries> s
339  = cpp14::make_unique<WDataSeries>(1, SeriesType::Curve);
340  s->setShadow(WShadow(3, 3, WColor(0, 0, 0, 127), 3));
341  chart->addSeries(std::move(s));
343  chart->resize(800, 300); // WPaintedWidget must be given explicit size
345  chart->setMargin(10, Side::Top | Side::Bottom); // add margin vertically
346  chart->setMargin(WLength::Auto, Side::Left | Side::Right); // center horizontally
348  ChartConfig *config = this->addWidget(cpp14::make_unique<ChartConfig>(chart));
350 }
void setPanEnabled(bool pan=true)
void addSeries(std::unique_ptr< WDataSeries > series)
void setLocation(AxisValue value)
WAxis & axis(Axis axis)
void setType(ChartType type)
void setCrosshairEnabled(bool crosshair=true)
virtual void setMargin(const WLength &margin, WFlags< Side > sides=AllSides) override
void setZoomEnabled(bool zoom=true)
void setBackground(const WBrush &background)
virtual void resize(const WLength &width, const WLength &height) override
void setXSeriesColumn(int modelColumn)
void setModel(const std::shared_ptr< WAbstractItemModel > &model)
void setValueFill(Wt::Chart::FillRangeType fill)
Definition: ChartConfig.C:378
void setAutoLayoutEnabled(bool enabled=true)
void setLegendEnabled(bool enabled)
A class that allows configuration of a cartesian chart.
Definition: ChartConfig.h:40
virtual void addWidget(std::unique_ptr< WWidget > widget)

The documentation for this class was generated from the following files:

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