ColorPickerPushButton Class Reference

Detailed Description

ColorPickerPushButton calls a QColorDialog on clicking and then sends a colorPicked(QColor) signal. It also saves the last color and sets its background color accordingly.

Definition at line 17 of file ColorPickerPushButton.h.

#include <ColorPickerPushButton.h>

Inheritance diagram for ColorPickerPushButton:

Collaboration diagram for ColorPickerPushButton:

Public Slots
void	mouseReleaseEvent (QMouseEvent *e) override
	Calls the QColorDialog.
void	setColor (QColor color)
	Sets the color.
void	setColor (double *color)

Signals
void	colorPicked (QColor)
	Is emitted when a color was picked from the dialog.

Public Member Functions
	ColorPickerPushButton (QWidget *parent=nullptr)

Private Member Functions
QString	colorToCss (QColor color)
QString	colorToString (QColor color)

Private Attributes
QColor	_color

Constructor & Destructor Documentation

ColorPickerPushButton()

ColorPickerPushButton::ColorPickerPushButton ( QWidget * parent = nullptr )

explicit

Definition at line 9 of file ColorPickerPushButton.cpp.

    : QPushButton(parent)
{
    setAutoFillBackground(true);
    _color = QColor("white");
}

References _color.

Member Function Documentation

colorPicked

void ColorPickerPushButton::colorPicked ( QColor )

signal

Is emitted when a color was picked from the dialog.

Referenced by mouseReleaseEvent().

colorToCss()

QString ColorPickerPushButton::colorToCss ( QColor color )

private

Definition at line 30 of file ColorPickerPushButton.cpp.

{
    QString colorStr = "rgb";
    colorStr.append(colorToString(color));
 
    return colorStr;
}

References colorToString().

Referenced by setColor().

colorToString()

QString ColorPickerPushButton::colorToString ( QColor color )

private

Definition at line 38 of file ColorPickerPushButton.cpp.

{
    QString colorStr = "(";
    colorStr.append(QString::number(color.red()));
    colorStr.append(", ");
    colorStr.append(QString::number(color.green()));
    colorStr.append(", ");
    colorStr.append(QString::number(color.blue()));
    colorStr.append(")");
 
    return colorStr;
}

Referenced by colorToCss(), and setColor().

mouseReleaseEvent

void ColorPickerPushButton::mouseReleaseEvent ( QMouseEvent * e )

overrideslot

Calls the QColorDialog.

Definition at line 16 of file ColorPickerPushButton.cpp.

{
    Q_UNUSED(e);
    QColor newColor = QColorDialog::getColor(_color, nullptr, "Choose a color");
    if (!newColor.isValid())
    {
        return;
    }
 
    setColor(newColor);
 
    emit colorPicked(_color);
}

References _color, colorPicked(), and setColor().

setColor [1/2]

void ColorPickerPushButton::setColor ( double * color )

slot

Definition at line 76 of file ColorPickerPushButton.cpp.

{
    setColor(QColor::fromRgbF(color[0], color[1], color[2]));
}

References setColor().

setColor [2/2]

void ColorPickerPushButton::setColor ( QColor color )

slot

Sets the color.

Definition at line 51 of file ColorPickerPushButton.cpp.

{
    _color = color;
 
    // Compute text color
    QColor hsv = _color.toHsv();
    QString textColorStr;
    if (hsv.valueF() < 0.5f)
    {
        textColorStr = "color: rgb(255, 255, 255);";
    }
    else
    {
        textColorStr = "color: rgb(0, 0, 0);";
    }
 
    QString stylesheetStr = "background-color: ";
    stylesheetStr.append(colorToCss(_color));
    stylesheetStr.append(";");
    stylesheetStr.append(textColorStr);
    this->setStyleSheet(stylesheetStr);
 
    this->setText(colorToString(_color));
}

References _color, colorToCss(), and colorToString().

Referenced by mouseReleaseEvent(), and setColor().

Member Data Documentation

_color

QColor ColorPickerPushButton::_color

private

Definition at line 36 of file ColorPickerPushButton.h.

Referenced by ColorPickerPushButton(), mouseReleaseEvent(), and setColor().

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

• ColorPickerPushButton.h
• ColorPickerPushButton.cpp