A color wheel widget. More...

#include <qgscolorwidgets.h>

Inheritance diagram for QgsColorWheel:

Public Slots
void	setColor (const QColor &color, bool emitSignals=false) override

Public Slots inherited from QgsColorWidget
virtual void	setColor (const QColor &color, bool emitSignals=false)
	Sets the color for the widget. More...

virtual void	setComponent (QgsColorWidget::ColorComponent component)
	Sets the color component which the widget controls. More...

virtual void	setComponentValue (int value)
	Alters the widget's color by setting the value for the widget's color component. More...

Public Member Functions
	QgsColorWheel (QWidget *parent=nullptr)
	Constructs a new color wheel widget. More...

	~QgsColorWheel () override

void	paintEvent (QPaintEvent *event) override

QSize	sizeHint () const override

Public Member Functions inherited from QgsColorWidget
	QgsColorWidget (QWidget *parent=nullptr, ColorComponent component=Multiple)
	Construct a new color widget. More...

QColor	color () const
	Returns the current color for the widget. More...

ColorComponent	component () const
	Returns the color component which the widget controls. More...

int	componentValue () const
	Returns the current value of the widget's color component. More...

Protected Member Functions
void	mouseMoveEvent (QMouseEvent *event) override

void	mousePressEvent (QMouseEvent *event) override

void	mouseReleaseEvent (QMouseEvent *event) override

void	resizeEvent (QResizeEvent *event) override

Protected Member Functions inherited from QgsColorWidget
void	alterColor (QColor &color, QgsColorWidget::ColorComponent component, int newValue) const
	Alters a color by modifiying the value of a specific color component. More...

int	componentRange () const
	Returns the range of valid values for the color widget's component. More...

int	componentRange (ColorComponent component) const
	Returns the range of valid values a color component. More...

int	componentValue (ColorComponent component) const
	Returns the value of a component of the widget's current color. More...

void	dragEnterEvent (QDragEnterEvent *e) override

void	dropEvent (QDropEvent *e) override

int	hue () const
	Returns the hue for the widget. More...

void	mouseMoveEvent (QMouseEvent *e) override

void	mousePressEvent (QMouseEvent *e) override

void	mouseReleaseEvent (QMouseEvent *e) override

Additional Inherited Members
Public Types inherited from QgsColorWidget
enum	ColorComponent { Multiple = 0, Red, Green, Blue, Hue, Saturation, Value, Alpha }
	Specifies the color component which the widget alters. More...

Signals inherited from QgsColorWidget
void	colorChanged (const QColor &color)
	Emitted when the widget's color changes. More...

void	hovered ()
	Emitted when mouse hovers over widget. More...

Static Public Member Functions inherited from QgsColorWidget
static QPixmap	createDragIcon (const QColor &color)
	Create an icon for dragging colors. More...

Static Protected Member Functions inherited from QgsColorWidget
static const QPixmap &	transparentBackground ()
	Generates a checkboard pattern pixmap for use as a background to transparent colors. More...

Protected Attributes inherited from QgsColorWidget
ColorComponent	mComponent

QColor	mCurrentColor

int	mExplicitHue = 0
	QColor wipes the hue information when it is ambiguous (e.g., for saturation = 0). More...

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.

Since: QGIS 2.5

Definition at line 289 of file qgscolorwidgets.h.

Constructor & Destructor Documentation

◆ QgsColorWheel()

QgsColorWheel::QgsColorWheel ( QWidget * parent = nullptr )

Constructs a new color wheel widget.

Parameters

parent parent QWidget for the widget

Definition at line 366 of file qgscolorwidgets.cpp.

◆ ~QgsColorWheel()

QgsColorWheel::~QgsColorWheel ( )

override

Definition at line 382 of file qgscolorwidgets.cpp.

Member Function Documentation

◆ mouseMoveEvent()

void QgsColorWheel::mouseMoveEvent ( QMouseEvent * event )

overrideprotected

Definition at line 593 of file qgscolorwidgets.cpp.

◆ mousePressEvent()

void QgsColorWheel::mousePressEvent ( QMouseEvent * event )

overrideprotected

Definition at line 599 of file qgscolorwidgets.cpp.

◆ mouseReleaseEvent()

void QgsColorWheel::mouseReleaseEvent ( QMouseEvent * event )

overrideprotected

Definition at line 618 of file qgscolorwidgets.cpp.

◆ paintEvent()

void QgsColorWheel::paintEvent ( QPaintEvent * event )

override

Definition at line 395 of file qgscolorwidgets.cpp.

◆ resizeEvent()

void QgsColorWheel::resizeEvent ( QResizeEvent * event )

overrideprotected

Definition at line 503 of file qgscolorwidgets.cpp.

◆ setColor

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

overrideslot

Definition at line 474 of file qgscolorwidgets.cpp.

◆ sizeHint()

QSize QgsColorWheel::sizeHint ( ) const

override

Definition at line 389 of file qgscolorwidgets.cpp.

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

/tmp/buildd/qgis-3.2.0+99unstable/src/gui/qgscolorwidgets.h
/tmp/buildd/qgis-3.2.0+99unstable/src/gui/qgscolorwidgets.cpp

Public Slots

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsColorWheel()

◆ ~QgsColorWheel()

Member Function Documentation

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ paintEvent()

◆ resizeEvent()

◆ setColor

◆ sizeHint()