Wt examples 3.3.12
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
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Public Member Functions

 ScatterPlotExample (Wt::WContainerWidget *parent)
 Creates the scatter plot example.
 
- Public Member Functions inherited from Wt::WContainerWidget
 WContainerWidget (WContainerWidget *parent=0)
 
 ~WContainerWidget ()
 
void setLayout (WLayout *layout)
 
void setLayout (WLayout *layout, WFlags< AlignmentFlag > alignment)
 
WLayoutlayout ()
 
virtual void addWidget (WWidget *widget)
 
virtual void insertBefore (WWidget *widget, WWidget *before)
 
virtual void insertWidget (int index, WWidget *widget)
 
virtual void removeWidget (WWidget *widget)
 
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=All)
 
WLength padding (Side side) const
 
WFlags< AlignmentFlagcontentAlignment () const
 
void setOverflow (Overflow overflow, WFlags< Orientation > orientation=(Horizontal|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 (WContainerWidget *parent=0)
 
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=0, bool isDragWidgetOnly=false, WObject *sourceWidget=0)
 
void unsetDraggable ()
 
void setMouseOverDelay (int delay)
 
int mouseOverDelay () const
 
virtual void setPopup (bool popup)
 
virtual void load ()
 
virtual bool isEnabled () const
 
- Public Member Functions inherited from Wt::WWebWidget
 WWebWidget (WContainerWidget *parent=0)
 
virtual void setPositionScheme (PositionScheme scheme)
 
virtual PositionScheme positionScheme () const
 
virtual void setOffsets (const WLength &offset, WFlags< Side > sides=All)
 
virtual WLength offset (Side s) const
 
virtual void resize (const WLength &width, const WLength &height)
 
virtual WLength width () const
 
virtual WLength height () const
 
virtual void setMinimumSize (const WLength &width, const WLength &height)
 
virtual WLength minimumWidth () const
 
virtual WLength minimumHeight () const
 
virtual void setMaximumSize (const WLength &width, const WLength &height)
 
virtual WLength maximumWidth () const
 
virtual WLength maximumHeight () const
 
virtual void setLineHeight (const WLength &height)
 
virtual WLength lineHeight () const
 
virtual void setFloatSide (Side s)
 
virtual Side floatSide () const
 
virtual void setClearSides (WFlags< Side > sides)
 
virtual WFlags< SideclearSides () const
 
virtual void setMargin (const WLength &margin, WFlags< Side > sides=All)
 
virtual WLength margin (Side side) const
 
virtual void setHiddenKeepsGeometry (bool enabled)
 
virtual bool hiddenKeepsGeometry () const
 
virtual void setHidden (bool hidden, const WAnimation &animation=WAnimation())
 
virtual bool isHidden () const
 
virtual bool isVisible () const
 
virtual void setDisabled (bool disabled)
 
virtual bool isDisabled () const
 
virtual bool isPopup () const
 
virtual void setInline (bool isInline)
 
virtual bool isInline () const
 
virtual void setDecorationStyle (const WCssDecorationStyle &style)
 
virtual WCssDecorationStyledecorationStyle ()
 
virtual void setStyleClass (const WString &styleClass)
 
virtual WString styleClass () const
 
virtual void addStyleClass (const WString &styleClass, bool force=false)
 
virtual void removeStyleClass (const WString &styleClass, bool force=false)
 
virtual bool hasStyleClass (const WString &styleClass) const
 
virtual void setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength())
 
virtual AlignmentFlag verticalAlignment () const
 
virtual WLength verticalAlignmentLength () const
 
virtual void setToolTip (const WString &text, TextFormat textFormat=PlainText)
 
virtual void setDeferredToolTip (bool enable, TextFormat textFormat=PlainText)
 
virtual WString toolTip () const
 
virtual void refresh ()
 
virtual void setAttributeValue (const std::string &name, const WString &value)
 
virtual WString attributeValue (const std::string &name) const
 
virtual void setJavaScriptMember (const std::string &name, const std::string &value)
 
virtual std::string javaScriptMember (const std::string &name) const
 
virtual void callJavaScriptMember (const std::string &name, const std::string &args)
 
virtual bool loaded () const
 
virtual void setId (const std::string &id)
 
virtual WWidgetfind (const std::string &name)
 
virtual WWidgetfindById (const std::string &id)
 
virtual void setSelectable (bool selectable)
 
virtual void doJavaScript (const std::string &javascript)
 
virtual const std::string id () const
 
void setLoadLaterWhenInvisible (bool)
 
std::string htmlTagName () const
 
void setHtmlTagName (const std::string &tag)
 
const std::vector< WWidget * > & children () const
 
SignalchildrenChanged ()
 
virtual void setCanReceiveFocus (bool enabled)
 
virtual bool canReceiveFocus () const
 
virtual bool setFirstFocus ()
 
virtual void setFocus (bool focus)
 
virtual bool hasFocus () const
 
virtual void setTabIndex (int index)
 
virtual int tabIndex () const
 
EventSignalblurred ()
 
EventSignalfocussed ()
 
virtual bool scrollVisibilityEnabled () const WT_CXX11ONLY(final override)
 
virtual void setScrollVisibilityEnabled (bool enabled) WT_CXX11ONLY(final override)
 
virtual int scrollVisibilityMargin () const WT_CXX11ONLY(final override)
 
virtual void setScrollVisibilityMargin (int margin) WT_CXX11ONLY(final override)
 
virtual Signal< bool > & scrollVisibilityChanged () WT_CXX11ONLY(final override)
 
virtual bool isScrollVisible () const WT_CXX11ONLY(final override)
 
virtual void setThemeStyleEnabled (bool enabled)
 
virtual bool isThemeStyleEnabled () const
 
virtual void removeChild (WObject *child)
 
void setFocus ()
 
virtual void setFocus (bool focus)=0
 
- Public Member Functions inherited from Wt::WWidget
virtual ~WWidget ()
 
WWidgetparent () const
 
void setWidth (const WLength &width)
 
void setHeight (const WLength &height)
 
virtual void positionAt (const WWidget *widget, 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 setObjectName (const std::string &name)
 
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
 WObject (WObject *parent=0)
 
virtual ~WObject ()
 
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)
 
void addChild (WObject *child)
 
const std::vector< WObject * > & children () const
 
WObjectparent () const
 

Additional Inherited Members

- Public Types inherited from Wt::WContainerWidget
enum  Overflow
 
- Public Types inherited from Wt::WObject
typedef void(WObject::* Method) ()
 
- Static Public Member Functions inherited from Wt::WWebWidget
static WString escapeText (const WString &text, bool newlinesToo=false)
 
static std::string & escapeText (std::string &text, bool newlinestoo=false)
 
static bool removeScript (WString &text)
 
static std::string jsStringLiteral (const std::string &v, char delimiter='\'')
 
- Static Public Member Functions inherited from Wt::WWidget
static WString tr (const char *key)
 
- Public Attributes inherited from Wt::WContainerWidget
 OverflowVisible
 
 OverflowAuto
 
 OverflowHidden
 
 OverflowScroll
 
- Protected Member Functions inherited from Wt::WContainerWidget
virtual void removeChild (WObject *child)
 
- Protected Member Functions inherited from Wt::WInteractWidget
virtual void propagateSetEnabled (bool enabled)
 
- Protected Member Functions inherited from Wt::WWebWidget
virtual void enableAjax ()
 
virtual WStatelessSlot * getStateless (Method method)
 
virtual void render (WFlags< RenderFlag > flags)
 
- Protected Member Functions inherited from Wt::WWidget
void setLayoutSizeAware (bool sizeAware)
 
virtual void layoutSizeChanged (int width, int height)
 
 WWidget (WContainerWidget *parent=0)
 
virtual void dropEvent (WDropEvent dropEvent)
 
virtual int boxPadding (Orientation orientation) const
 
virtual int boxBorder (Orientation orientation) const
 
void scheduleRender (WFlags< RepaintFlag > flags=0)
 
- Static Protected Member Functions inherited from Wt::WObject
static WObjectsender ()
 

Detailed Description

A Widget that demonstrates a scatter plot.

Definition at line 49 of file ChartsExample.h.

Constructor & Destructor Documentation

◆ ScatterPlotExample()

ScatterPlotExample::ScatterPlotExample ( Wt::WContainerWidget parent)

Creates the scatter plot example.

Definition at line 284 of file ChartsExample.C.

284 :
286{
287 new WText(WString::tr("scatter plot 2"), this);
288
289 WStandardItemModel *model = new WStandardItemModel(40, 2, this);
290 model->setItemPrototype(new NumericItem());
291 model->setHeaderData(0, WString("X"));
292 model->setHeaderData(1, WString("Y = sin(X)"));
293
294 for (unsigned i = 0; i < 40; ++i) {
295 double x = (static_cast<double>(i) - 20) / 4;
296
297 model->setData(i, 0, x);
298 model->setData(i, 1, sin(x));
299 }
300
301 /*
302 * Create the scatter plot.
303 */
304 WCartesianChart *chart = new WCartesianChart(this);
305 chart->setModel(model); // set the model
306 chart->setXSeriesColumn(0); // set the column that holds the X data
307 chart->setLegendEnabled(true); // enable the legend
308 chart->setZoomEnabled(true);
309 chart->setPanEnabled(true);
310 chart->setCrosshairEnabled(true);
311
312 chart->setBackground(WColor(200,200,200));
313
314 chart->setType(ScatterPlot); // set type to ScatterPlot
315
316 // Typically, for mathematical functions, you want the axes to cross
317 // at the 0 mark:
320
321 // Automatically layout chart (space for axes, legend, ...)
322 chart->setAutoLayoutEnabled();
323
324 // Add the curves
326 s->setShadow(WShadow(3, 3, WColor(0, 0, 0, 127), 3));
327 chart->addSeries(s);
328
329 chart->resize(800, 300); // WPaintedWidget must be given explicit size
330
331 chart->setMargin(10, Top | Bottom); // add margin vertically
332 chart->setMargin(WLength::Auto, Left | Right); // center horizontally
333
334 ChartConfig *config = new ChartConfig(chart, this);
336}
A class that allows configuration of a cartesian chart.
Definition ChartConfig.h:41
void setValueFill(Wt::Chart::FillRangeType fill)
void setModel(WAbstractItemModel *model)
void setBackground(const WBrush &background)
void setAutoLayoutEnabled(bool enabled=true)
void setLocation(AxisValue value)
void setType(ChartType type)
void setLegendEnabled(bool enabled)
void setPanEnabled(bool pan=true)
void setZoomEnabled(bool zoom=true)
void setXSeriesColumn(int modelColumn)
void setCrosshairEnabled(bool crosshair=true)
WAxis & axis(Axis axis)
void addSeries(const WDataSeries &series)
void setShadow(const WShadow &shadow)
virtual bool setHeaderData(int section, Orientation orientation, const boost::any &value, int role=EditRole)
virtual bool setData(const WModelIndex &index, const boost::any &value, int role=EditRole)
static WLength Auto
virtual void resize(const WLength &width, const WLength &height)
void setItemPrototype(WStandardItem *item)
static WString tr(const char *key)
virtual void setMargin(const WLength &margin, WFlags< Side > sides=All)
WWidget * parent() const

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

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