QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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Public Types | Public Member Functions | Protected Member Functions | List of all members
QgsColorTextWidget Class Reference

A line edit widget which displays colors as text and accepts string representations of colors. More...

#include <qgscolorwidgets.h>

Inheritance diagram for QgsColorTextWidget:
Inheritance graph
[legend]

Public Types

enum  ColorTextFormat { HexRgb = 0 , HexRgbA , Rgb , Rgba }
 Specifies the display format for a color. More...
 
- Public Types inherited from QgsColorWidget
enum  ColorComponent {
  Multiple = 0 , Red , Green , Blue ,
  Hue , Saturation , Value , Alpha ,
  Cyan , Magenta , Yellow , Black
}
 Specifies the color component which the widget alters. More...
 
enum class  ComponentUnit { Scaled0to255 , Percent , Degree }
 Specified the color component unit. More...
 

Public Member Functions

 QgsColorTextWidget (QWidget *parent=nullptr)
 Construct a new color line edit widget.
 
void setAllowOpacity (bool allowOpacity)
 Sets whether opacity modification (transparency) is permitted.
 
void setColor (const QColor &color, bool emitSignals=false) override
 Sets the color for the widget.
 
- Public Member Functions inherited from QgsColorWidget
 QgsColorWidget (QWidget *parent=nullptr, ColorComponent component=Multiple)
 Construct a new color widget.
 
QColor color () const
 Returns the current color for the widget.
 
ColorComponent component () const
 Returns the color component which the widget controls.
 
Q_DECL_DEPRECATED int componentValue () const
 Returns the current value of the widget's color component.
 
float componentValueF () const
 Returns the current value of the widget's color component.
 

Protected Member Functions

void resizeEvent (QResizeEvent *event) override
 
- Protected Member Functions inherited from QgsColorWidget
QColor::Spec colorSpec () const
 Returns color widget type of color, either RGB, HSV, CMYK, or Invalid if this component value is Multiple or Alpha.
 
int componentRange () const
 Returns the range of valid values for the color widget's component.
 
Q_DECL_DEPRECATED int componentValue (ColorComponent component) const
 Returns the value of a component of the widget's current color.
 
float componentValueF (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
 
Q_DECL_DEPRECATED int hue () const
 Returns the hue for the widget.
 
float hueF () const
 Returns the hue for the widget.
 
void mouseMoveEvent (QMouseEvent *e) override
 
void mousePressEvent (QMouseEvent *e) override
 
void mouseReleaseEvent (QMouseEvent *e) override
 

Additional Inherited Members

- Public Slots inherited from QgsColorWidget
virtual void setComponent (QgsColorWidget::ColorComponent component)
 Sets the color component which the widget controls.
 
virtual Q_DECL_DEPRECATED void setComponentValue (int value)
 Alters the widget's color by setting the value for the widget's color component.
 
virtual void setComponentValueF (float value)
 Alters the widget's color by setting the value for the widget's color component.
 
- Signals inherited from QgsColorWidget
void colorChanged (const QColor &color)
 Emitted when the widget's color changes.
 
void hovered ()
 Emitted when mouse hovers over widget.
 
- Static Public Member Functions inherited from QgsColorWidget
static ComponentUnit componentUnit (ColorComponent component)
 Returns color component unit.
 
static QPixmap createDragIcon (const QColor &color)
 Create an icon for dragging colors.
 
- Static Protected Member Functions inherited from QgsColorWidget
static Q_DECL_DEPRECATED void alterColor (QColor &color, QgsColorWidget::ColorComponent component, int newValue)
 Alters a color by modifying the value of a specific color component.
 
static void alterColorF (QColor &color, QgsColorWidget::ColorComponent component, float newValue)
 Alters a color by modifying the value of a specific color component.
 
static QColor::Spec colorSpec (QgsColorWidget::ColorComponent component)
 Returns component type of color, either RGB, HSV, CMYK, or Invalid if component value is Multiple or Alpha.
 
static int componentRange (ColorComponent component)
 Returns the range of valid values a color component.
 
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
 
float mExplicitHue = 0
 QColor wipes the hue information when it is ambiguous (e.g., for saturation = 0).
 

Detailed Description

A line edit widget which displays colors as text and accepts string representations of colors.

Definition at line 772 of file qgscolorwidgets.h.

Member Enumeration Documentation

◆ ColorTextFormat

Specifies the display format for a color.

Enumerator
HexRgb 

#RRGGBB in hexadecimal

HexRgbA 

#RRGGBBAA in hexadecimal, with alpha

Rgb 

Rgb( r, g, b ) format.

Rgba 

Rgba( r, g, b, a ) format, with alpha.

Definition at line 781 of file qgscolorwidgets.h.

Constructor & Destructor Documentation

◆ QgsColorTextWidget()

QgsColorTextWidget::QgsColorTextWidget ( QWidget *  parent = nullptr)

Construct a new color line edit widget.

Parameters
parentparent QWidget for the widget

Definition at line 1584 of file qgscolorwidgets.cpp.

Member Function Documentation

◆ resizeEvent()

void QgsColorTextWidget::resizeEvent ( QResizeEvent *  event)
overrideprotected

Definition at line 1622 of file qgscolorwidgets.cpp.

◆ setAllowOpacity()

void QgsColorTextWidget::setAllowOpacity ( bool  allowOpacity)

Sets whether opacity modification (transparency) is permitted.

Defaults to true.

Parameters
allowOpacityset to false to disable opacity modification

Definition at line 1723 of file qgscolorwidgets.cpp.

◆ setColor()

void QgsColorTextWidget::setColor ( const QColor &  color,
bool  emitSignals = false 
)
overridevirtual

Sets the color for the widget.

Parameters
colorwidget color
emitSignalsset to true to emit the colorChanged signal after setting color
See also
color

Reimplemented from QgsColorWidget.

Definition at line 1616 of file qgscolorwidgets.cpp.


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