KoColorPopupAction Class Reference

#include <KoColorPopupAction.h>

Inheritance diagram for KoColorPopupAction:

Classes
class	KoColorPopupActionPrivate

Public Slots
QColor	currentColor () const
	Returns the current color.
KoColor	currentKoColor () const
	Returns the current color as a KoColor.
void	setCurrentColor (const KoColor &color)
	Sets a new color to be displayed.
void	setCurrentColor (const QColor &color)
	Sets a new color to be displayed.
void	updateIcon ()
	update the icon - only needed if you resize the iconsize in the widget that shows the action

Signals
void	colorChanged (const KoColor &color)

Public Member Functions
	KoColorPopupAction (QObject *parent=0)
	~KoColorPopupAction () override

Private Slots
void	colorWasEdited (const QColor &color)
void	colorWasSelected (const KoColor &color, bool final)
void	emitColorChanged ()
void	opacityWasChanged (int opacity)

Private Attributes
KoColorPopupActionPrivate *const	d

Detailed Description

KoColorPopupAction makes use of KoColorSetWidget to show a widget for choosing a color (colormanaged via pigment).

See also

KoColorPopupAction

Definition at line 22 of file KoColorPopupAction.h.

Constructor & Destructor Documentation

KoColorPopupAction()

KoColorPopupAction::KoColorPopupAction ( QObject * parent = 0 )

explicit

Constructs a KoColorPopupAction with the specified parent.

Parameters

parent

The parent for this action.

Definition at line 62 of file KoColorPopupAction.cpp.

    : QAction(parent),
    d(new KoColorPopupActionPrivate())
{
    d->menu = new QMenu();
    QWidget *widget = new QWidget(d->menu);
    QWidgetAction *wdgAction = new QWidgetAction(d->menu);
    d->colorSetWidget = new KoColorSetWidget(widget);
    KoResourceServer<KoColorSet>* rServer = KoResourceServerProvider::instance()->paletteServer();
 
    KoColorSetSP defaultColorSet = rServer->resource("", "", "Default");
    if (!defaultColorSet && rServer->resourceCount() > 0) {
        defaultColorSet = rServer->firstResource();
    }
    d->colorSetWidget->setColorSet(defaultColorSet);
 
    d->colorChooser = new KoTriangleColorSelector( widget );
    // prevent mouse release on color selector from closing popup
    d->colorChooser->setAttribute( Qt::WA_NoMousePropagation );
    d->opacitySlider = new KoColorSlider( Qt::Vertical, widget );
    d->opacitySlider->setFixedWidth(25);
    d->opacitySlider->setRange(0, 255);
    d->opacitySlider->setValue(255);
    d->opacitySlider->setToolTip( i18n( "Opacity" ) );
 
    QGridLayout * layout = new QGridLayout( widget );
    layout->addWidget( d->colorSetWidget, 0, 0, 1, -1 );
    layout->addWidget( d->colorChooser, 1, 0 );
    layout->addWidget( d->opacitySlider, 1, 1 );
    layout->setContentsMargins(4, 4, 4, 4);
 
    wdgAction->setDefaultWidget(widget);
    d->menu->addAction(wdgAction);
    setMenu(d->menu);
    new QHBoxLayout(d->menu);
    d->menu->layout()->addWidget(widget);
    d->menu->layout()->setContentsMargins(0, 0, 0, 0);
 
    connect(this, SIGNAL(triggered()), this, SLOT(emitColorChanged()));
 
    connect(d->colorSetWidget, SIGNAL(colorChanged(KoColor,bool)),
            this, SLOT(colorWasSelected(KoColor,bool)));
    connect(d->colorChooser, SIGNAL(colorChanged(QColor)),
            this, SLOT(colorWasEdited(QColor)));
    connect(d->opacitySlider, SIGNAL(valueChanged(int)),
            this, SLOT(opacityWasChanged(int)));
}

References colorChanged(), KoColorPopupAction::KoColorPopupActionPrivate::colorChooser, KoColorPopupAction::KoColorPopupActionPrivate::colorSetWidget, colorWasEdited(), colorWasSelected(), connect(), d, emitColorChanged(), KoResourceServer< T >::firstResource(), KoResourceServerProvider::instance(), KoColorPopupAction::KoColorPopupActionPrivate::menu, KoColorPopupAction::KoColorPopupActionPrivate::opacitySlider, opacityWasChanged(), KoResourceServerProvider::paletteServer, KoResourceServer< T >::resource(), KoResourceServer< T >::resourceCount(), and KoColorSetWidget::setColorSet().

~KoColorPopupAction()

KoColorPopupAction::~KoColorPopupAction ( )

override

Destructor

Definition at line 110 of file KoColorPopupAction.cpp.

{
    delete d;
}

References d.

Member Function Documentation

colorChanged

void KoColorPopupAction::colorChanged ( const KoColor & color )

signal

Emitted every time the color changes (by calling setColor() or by user interaction.

Parameters

color

the new color

colorWasEdited

void KoColorPopupAction::colorWasEdited ( const QColor & color )

privateslot

Definition at line 210 of file KoColorPopupAction.cpp.

{
    d->currentColor = KoColor( color, KoColorSpaceRegistry::instance()->rgb8() );
    quint8 opacity = d->opacitySlider->value();
    d->currentColor.setOpacity( opacity );
 
    KoColor minColor = d->currentColor;
    minColor.setOpacity( OPACITY_TRANSPARENT_U8 );
    KoColor maxColor = minColor;
    maxColor.setOpacity( OPACITY_OPAQUE_U8 );
 
    d->opacitySlider->setColors( minColor, maxColor );
 
    emitColorChanged();
 
    updateIcon();
}

References KoColorPopupAction::KoColorPopupActionPrivate::currentColor, d, emitColorChanged(), KoColorSpaceRegistry::instance(), OPACITY_OPAQUE_U8, OPACITY_TRANSPARENT_U8, KoColorPopupAction::KoColorPopupActionPrivate::opacitySlider, KoColorSlider::setColors(), KoColor::setOpacity(), and updateIcon().

colorWasSelected

void KoColorPopupAction::colorWasSelected ( const KoColor & color, bool final )

privateslot

Definition at line 200 of file KoColorPopupAction.cpp.

{
    d->currentColor = color;
    if (final) {
        menu()->hide();
        emitColorChanged();
    }
    updateIcon();
}

References KoColorPopupAction::KoColorPopupActionPrivate::currentColor, d, emitColorChanged(), and updateIcon().

currentColor

QColor KoColorPopupAction::currentColor ( ) const

slot

Returns the current color.

Definition at line 147 of file KoColorPopupAction.cpp.

{
    return d->currentColor.toQColor();
}

References KoColorPopupAction::KoColorPopupActionPrivate::currentColor, d, and KoColor::toQColor().

currentKoColor

KoColor KoColorPopupAction::currentKoColor ( ) const

slot

Returns the current color as a KoColor.

Definition at line 152 of file KoColorPopupAction.cpp.

{
    return d->currentColor;
}

References KoColorPopupAction::KoColorPopupActionPrivate::currentColor, and d.

emitColorChanged

void KoColorPopupAction::emitColorChanged ( )

privateslot

Definition at line 195 of file KoColorPopupAction.cpp.

{
    Q_EMIT colorChanged( d->currentColor );
}

References colorChanged(), KoColorPopupAction::KoColorPopupActionPrivate::currentColor, and d.

opacityWasChanged

void KoColorPopupAction::opacityWasChanged ( int opacity )

privateslot

Definition at line 228 of file KoColorPopupAction.cpp.

{
    d->currentColor.setOpacity( quint8(opacity) );
 
    emitColorChanged();
}

References KoColorPopupAction::KoColorPopupActionPrivate::currentColor, d, emitColorChanged(), and KoColor::setOpacity().

setCurrentColor [1/2]

void KoColorPopupAction::setCurrentColor ( const KoColor & color )

slot

Sets a new color to be displayed.

Definition at line 115 of file KoColorPopupAction.cpp.

{
    KoColor minColor( color );
    d->currentColor = minColor;
 
    d->colorChooser->blockSignals(true);
    d->colorChooser->slotSetColor(color);
    d->colorChooser->blockSignals(false);
 
    KoColor maxColor( color );
    minColor.setOpacity( OPACITY_TRANSPARENT_U8 );
    maxColor.setOpacity( OPACITY_OPAQUE_U8 );
 
    d->opacitySlider->blockSignals( true );
    d->opacitySlider->setColors( minColor, maxColor );
    d->opacitySlider->setValue( color.opacityU8() );
    d->opacitySlider->blockSignals( false );
 
    updateIcon();
}

References KoColorPopupAction::KoColorPopupActionPrivate::colorChooser, KoColorPopupAction::KoColorPopupActionPrivate::currentColor, d, OPACITY_OPAQUE_U8, OPACITY_TRANSPARENT_U8, KoColorPopupAction::KoColorPopupActionPrivate::opacitySlider, KoColor::opacityU8(), KoColorSlider::setColors(), KoColor::setOpacity(), KoTriangleColorSelector::slotSetColor(), and updateIcon().

setCurrentColor [2/2]

void KoColorPopupAction::setCurrentColor ( const QColor & color )

slot

Sets a new color to be displayed.

Definition at line 136 of file KoColorPopupAction.cpp.

{
#ifndef NDEBUG
    if (!_color.isValid()) {
        warnWidgets << "Invalid color given, defaulting to black";
    }
#endif
    const QColor color(_color.isValid() ? _color : QColor(0,0,0,255));
    setCurrentColor(KoColor(color, KoColorSpaceRegistry::instance()->rgb8() ));
}

References KoColorSpaceRegistry::instance(), setCurrentColor(), and warnWidgets.

updateIcon

void KoColorPopupAction::updateIcon ( )

slot

update the icon - only needed if you resize the iconsize in the widget that shows the action

Definition at line 157 of file KoColorPopupAction.cpp.

{
    QSize iconSize;
    QToolButton *toolButton = dynamic_cast<QToolButton*>(parentWidget());
    if (toolButton) {
        iconSize = QSize(toolButton->iconSize());
    } else {
        iconSize = QSize(16, 16);
    }
 
    // This must be a QImage, as drawing to a QPixmap outside the
    // UI thread will cause sporadic crashes.
    QImage pm;
 
    if (icon().isNull()) {
        d->applyMode = false;
    }
 
    if(d->applyMode) {
        pm = icon().pixmap(iconSize).toImage();
        if (pm.isNull()) {
            pm = QImage(iconSize, QImage::Format_ARGB32_Premultiplied);
            pm.fill(Qt::transparent);
        }
        QPainter p(&pm);
        p.fillRect(0, iconSize.height() - 4, iconSize.width(), 4, d->currentColor.toQColor());
        p.end();
    } else {
        pm = QImage(iconSize, QImage::Format_ARGB32_Premultiplied);
        pm.fill(Qt::transparent);
        QPainter p(&pm);
        d->checkerPainter.paint(p, QRect(QPoint(),iconSize));
        p.fillRect(0, 0, iconSize.width(), iconSize.height(), d->currentColor.toQColor());
        p.end();
    }
    setIcon(QIcon(QPixmap::fromImage(pm)));
}

References KoColorPopupAction::KoColorPopupActionPrivate::applyMode, KoColorPopupAction::KoColorPopupActionPrivate::checkerPainter, KoColorPopupAction::KoColorPopupActionPrivate::currentColor, d, iconSize(), p, KoCheckerBoardPainter::paint(), and KoColor::toQColor().

Member Data Documentation

d

KoColorPopupActionPrivate* const KoColorPopupAction::d

private

Definition at line 71 of file KoColorPopupAction.h.

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

• libs/widgets/KoColorPopupAction.h
• libs/widgets/KoColorPopupAction.cpp