KisCmbGradient Class Reference

The KisCmbGradient class allows the user to select a gradient. More...

#include <kis_cmb_gradient.h>

Inheritance diagram for KisCmbGradient:

Signals
void	gradientChanged (KoAbstractGradientSP)
Signals inherited from KisPopupButton
void	sigPopupWidgetShown ()

Public Member Functions
KoAbstractGradientSP	gradient () const
	KisCmbGradient (QWidget *parent=0)
void	setCanvasResourcesInterface (KoCanvasResourcesInterfaceSP canvasResourcesInterface)
void	setGradient (KoAbstractGradientSP gradient)
QSize	sizeHint () const override
	~KisCmbGradient ()
Public Member Functions inherited from KisPopupButton
void	adjustPosition ()
	adjustPosition adjusts the position of the popup widget based on the position of this button and the size of the widget
bool	isPopupWidgetVisible ()
	KisPopupButton (QWidget *parent)
void	setArrowVisible (bool v)
void	setPopupWidget (QWidget *widget)
void	setPopupWidgetWidth (int w)
	~KisPopupButton () override

Protected Member Functions
void	resizeEvent (QResizeEvent *event) override
Protected Member Functions inherited from KisPopupButton
void	paintEvent (QPaintEvent *event) override
void	paintPopupArrow ()

Private Slots
void	gradientSelected ()

Private Member Functions
void	updateGradientPreview ()

Private Attributes
KoCheckerBoardPainter	m_checkersPainter
KisGenericGradientEditor *	m_gradientEditor

Additional Inherited Members
Public Slots inherited from KisPopupButton
void	hidePopupWidget ()
void	setPopupWidgetDetached (bool detach)
void	setPopupWidgetVisible (bool visible)
void	showPopupWidget ()

Detailed Description

The KisCmbGradient class allows the user to select a gradient.

Definition at line 20 of file kis_cmb_gradient.h.

Constructor & Destructor Documentation

KisCmbGradient()

KisCmbGradient::KisCmbGradient ( QWidget * parent = 0 )

explicit

Definition at line 19 of file kis_cmb_gradient.cpp.

    : KisPopupButton(parent)
    , m_checkersPainter(4)
    , m_gradientEditor(new KisGenericGradientEditor())
{
    m_gradientEditor->setContentsMargins(10, 10, 10, 10);
    m_gradientEditor->loadUISettings();
    connect(m_gradientEditor, &KisGenericGradientEditor::sigGradientChanged,
            this, &KisCmbGradient::gradientSelected);
    setPopupWidget(m_gradientEditor);
}

References gradientSelected(), KisGenericGradientEditor::loadUISettings(), m_gradientEditor, KisPopupButton::setPopupWidget(), and KisGenericGradientEditor::sigGradientChanged().

~KisCmbGradient()

KisCmbGradient::~KisCmbGradient

(

)

Definition at line 31 of file kis_cmb_gradient.cpp.

{
    m_gradientEditor->saveUISettings();
}

References m_gradientEditor, and KisGenericGradientEditor::saveUISettings().

Member Function Documentation

gradient()

KoAbstractGradientSP KisCmbGradient::gradient

(

)

const

Definition at line 43 of file kis_cmb_gradient.cpp.

{
    return m_gradientEditor->gradient();
}

References KisGenericGradientEditor::gradient, and m_gradientEditor.

gradientChanged

void KisCmbGradient::gradientChanged ( KoAbstractGradientSP )

signal

gradientSelected

void KisCmbGradient::gradientSelected ( )

privateslot

Definition at line 53 of file kis_cmb_gradient.cpp.

{
    updateGradientPreview();
 
    Q_EMIT gradientChanged(this->gradient());
}

References gradient(), gradientChanged(), and updateGradientPreview().

resizeEvent()

void KisCmbGradient::resizeEvent ( QResizeEvent * event )

overrideprotected

Definition at line 92 of file kis_cmb_gradient.cpp.

{
    setIconSize(QSize(event->size().width() - 30, event->size().height() - 4));
    updateGradientPreview();
    KisPopupButton::resizeEvent(event);
}

References updateGradientPreview().

setCanvasResourcesInterface()

void KisCmbGradient::setCanvasResourcesInterface

(

KoCanvasResourcesInterfaceSP

canvasResourcesInterface

)

Definition at line 48 of file kis_cmb_gradient.cpp.

{
    m_gradientEditor->setCanvasResourcesInterface(canvasResourcesInterface);
}

References m_gradientEditor, and KisGenericGradientEditor::setCanvasResourcesInterface().

setGradient()

void KisCmbGradient::setGradient

(

KoAbstractGradientSP

gradient

)

Definition at line 36 of file kis_cmb_gradient.cpp.

{
    KisSignalsBlocker b(m_gradientEditor);
    m_gradientEditor->setGradient(gradient);
    updateGradientPreview();
}

References gradient(), m_gradientEditor, KisGenericGradientEditor::setGradient(), and updateGradientPreview().

sizeHint()

QSize KisCmbGradient::sizeHint ( ) const

override

Definition at line 79 of file kis_cmb_gradient.cpp.

{
    ensurePolished();
    QFontMetrics fm = fontMetrics();
    int maxW = 7 * fm.horizontalAdvance(QChar('x')) + 18;
    int maxH = qMax(fm.lineSpacing(), 14) + 2;
 
    QStyleOptionComboBox options;
    options.initFrom(this);
 
    return style()->sizeFromContents(QStyle::CT_ComboBox, &options, QSize(maxW, maxH), this);
}

updateGradientPreview()

void KisCmbGradient::updateGradientPreview ( )

private

Definition at line 60 of file kis_cmb_gradient.cpp.

{
    const QSize previewSize = iconSize();
    QImage thumbnail(previewSize, QImage::Format_ARGB32);
 
    {
        QPainter gc(&thumbnail);
        m_checkersPainter.paint(gc, QRect(QPoint(), previewSize));
 
        KoAbstractGradientSP gradient = this->gradient();
        if (gradient) {
            QImage preview = gradient->generatePreview(previewSize.width(), previewSize.height(), m_gradientEditor->canvasResourcesInterface());
            gc.drawImage(QPoint(), preview);
        }
    }
 
    setIcon(QIcon(QPixmap::fromImage(thumbnail)));
}

References KisGenericGradientEditor::canvasResourcesInterface, gradient(), iconSize(), m_checkersPainter, m_gradientEditor, and KoCheckerBoardPainter::paint().

Member Data Documentation

m_checkersPainter

KoCheckerBoardPainter KisCmbGradient::m_checkersPainter

private

Definition at line 49 of file kis_cmb_gradient.h.

m_gradientEditor

KisGenericGradientEditor* KisCmbGradient::m_gradientEditor

private

Definition at line 50 of file kis_cmb_gradient.h.

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

• libs/ui/widgets/kis_cmb_gradient.h
• libs/ui/widgets/kis_cmb_gradient.cpp