A color wheel widget. More...

Inheritance diagram for QgsColorWheel:

Public Slots
virtual void	setColor (const QColor &color, const bool emitSignals=false) override
Public Slots inherited from QgsColorWidget
virtual void	setColor (const QColor &color, const bool emitSignals=false)
	Sets the color for the widget.
virtual void	setComponent (const ColorComponent component)
	Sets the color component which the widget controls.
virtual void	setComponentValue (const int value)
	Alters the widget's color by setting the value for the widget's color component.

Public Member Functions
	QgsColorWheel (QWidget *parent=0)
	Constructs a new color wheel widget.
virtual	~QgsColorWheel ()
void	paintEvent (QPaintEvent *event) override
Public Member Functions inherited from QgsColorWidget
	QgsColorWidget (QWidget *parent=0, const ColorComponent component=Multiple)
	Construct a new color widget.
virtual	~QgsColorWidget ()
QColor	color () const
	Returns the current color for the widget.
ColorComponent	component () const
	Returns the color component which the widget controls.
int	componentValue () const
	Returns the current value of the widget's color component.

Protected Member Functions
virtual void	mouseMoveEvent (QMouseEvent *event) override
virtual void	mousePressEvent (QMouseEvent *event) override
virtual void	mouseReleaseEvent (QMouseEvent *event) override
virtual void	resizeEvent (QResizeEvent *event) override
Protected Member Functions inherited from QgsColorWidget
void	alterColor (QColor &color, const QgsColorWidget::ColorComponent component, const int newValue) const
	Alters a color by modifiying the value of a specific color component.
int	componentRange () const
	Returns the range of valid values for the color widget's component.
int	componentRange (const ColorComponent component) const
	Returns the range of valid values a color component.
int	componentValue (const ColorComponent component) const
	Returns the value of a component of the widget's current color.
void	dragEnterEvent (QDragEnterEvent *e) override
void	dropEvent (QDropEvent *e) override
int	hue () const
	Returns the hue for the widget.

Additional Inherited Members
Public Types inherited from QgsColorWidget
enum	ColorComponent { Multiple = 0, Red, Green, Blue, Hue, Saturation, Value, Alpha }
Signals inherited from QgsColorWidget
void	colorChanged (const QColor &color)
	Emitted when the widget's color changes.
Static Public Member Functions inherited from QgsColorWidget
static QPixmap	createDragIcon (const QColor &color)
	Create an icon for dragging colors.
Static Protected Member Functions inherited from QgsColorWidget
static const QPixmap &	transparentBackground ()
	Generates a checkboard pattern pixmap for use as a background to transparent colors.
Protected Attributes inherited from QgsColorWidget
ColorComponent	mComponent
QColor	mCurrentColor
int	mExplicitHue
	QColor wipes the hue information when it is ambiguous (eg, for saturation = 0).

Detailed Description

A color wheel widget.

This widget consists of an outer ring which allows for hue selection, and an inner rotating triangle which allows for saturation and value selection.

Definition at line 183 of file qgscolorwidgets.h.

Constructor & Destructor Documentation

QgsColorWheel::QgsColorWheel ( QWidget * parent = 0 )

Constructs a new color wheel widget.

Parameters

parent parent QWidget for the widget

Definition at line 350 of file qgscolorwidgets.cpp.

QgsColorWheel::~QgsColorWheel ( )

virtual

Definition at line 374 of file qgscolorwidgets.cpp.

void QgsColorWheel::mouseMoveEvent ( QMouseEvent * event )

overrideprotectedvirtual

Definition at line 585 of file qgscolorwidgets.cpp.

void QgsColorWheel::mousePressEvent ( QMouseEvent * event )

overrideprotectedvirtual

Definition at line 590 of file qgscolorwidgets.cpp.

void QgsColorWheel::mouseReleaseEvent ( QMouseEvent * event )

overrideprotectedvirtual

Definition at line 609 of file qgscolorwidgets.cpp.

void QgsColorWheel::paintEvent ( QPaintEvent * event )

override

Definition at line 381 of file qgscolorwidgets.cpp.

void QgsColorWheel::resizeEvent ( QResizeEvent * event )

overrideprotectedvirtual

Definition at line 495 of file qgscolorwidgets.cpp.

void QgsColorWheel::setColor	(	const QColor &	color,
		const bool	emitSignals = `false`
	)

overridevirtualslot

Definition at line 466 of file qgscolorwidgets.cpp.

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