KoZoomInput Class Reference

#include <KoZoomInput.h>

Inheritance diagram for KoZoomInput:

Classes
class	Private

Signals
void	explicitZoomLevelRequested (const QString &level)
void	zoomLevelChanged (const QString &level)
void	zoomLevelChangedIndex (int index)

Public Member Functions
bool	eventFilter (QObject *watched, QEvent *event) override
bool	isFlat () const
	KoZoomInput (QWidget *parent=0)
void	setCurrentZoomLevel (const QString &level)
void	setCurrentZoomLevel (int index)
void	setCurrentZoomLevel (int index, const QString &activeText)
void	setFlat (bool flat)
void	setZoomLevels (const QStringList &levels)
	~KoZoomInput () override

Protected Member Functions
void	enterEvent (QEnterEvent *e) override
void	keyPressEvent (QKeyEvent *event) override
void	leaveEvent (QEvent *event) override

Private Attributes
Private *const	d

Detailed Description

Definition at line 11 of file KoZoomInput.h.

Constructor & Destructor Documentation

KoZoomInput()

KoZoomInput::KoZoomInput ( QWidget * parent = 0 )

explicit

Definition at line 32 of file KoZoomInput.cpp.

    : QStackedWidget(parent), d(new Private)
{
#ifdef Q_OS_MACOS
    setAttribute(Qt::WA_MacMiniSize, true);
#endif
 
    QWidget* first = new QWidget(this);
    QHBoxLayout* layout = new QHBoxLayout(first);
    layout->setSpacing(0);
    layout->setContentsMargins(0, 0, 0, 0);
    d->label = new QLabel(first);
    d->label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
    layout->addWidget(d->label, 10);
    QLabel* icon = new QLabel(first);
    QStyleOption option;
    option.state = QStyle::State_Enabled;
    QPixmap pixmap(16, 16);
    pixmap.fill(QColor(255, 255, 255, 0));
    QPainter painter(&pixmap);
    painter.translate(8, 8);
    style()->drawPrimitive(QStyle::PE_IndicatorArrowDown, &option, &painter);
    icon->setPixmap(pixmap);
    layout->addWidget(icon);
    addWidget(first);
    d->combo = new QComboBox(this);
    d->combo->setMaxVisibleItems(15);
    d->combo->setEditable(true);
    d->combo->installEventFilter(this);
    addWidget(d->combo);
    d->inside = false;
    d->isFlat = true;
 
    connect(d->combo, SIGNAL(textActivated(QString)), this, SIGNAL(zoomLevelChanged(QString)));
    connect(d->combo, SIGNAL(currentIndexChanged(int)), this, SIGNAL(zoomLevelChangedIndex(int)));
}

References KoZoomInput::Private::combo, connect(), d, KoZoomInput::Private::inside, KoZoomInput::Private::isFlat, KoZoomInput::Private::label, zoomLevelChanged(), and zoomLevelChangedIndex().

~KoZoomInput()

KoZoomInput::~KoZoomInput ( )

override

Definition at line 69 of file KoZoomInput.cpp.

{
    delete d;
}

References d.

Member Function Documentation

enterEvent()

void KoZoomInput::enterEvent ( QEnterEvent * e )

overrideprotected

Definition at line 76 of file KoZoomInput.cpp.

{
    Q_UNUSED(event);
 
    d->inside = true;
    if (!isFlat()) {
        return;
    }
 
    if (d->combo->view())
    {
        d->combo->view()->removeEventFilter(this);
    }
 
    setCurrentIndex(1);
}

eventFilter()

bool KoZoomInput::eventFilter ( QObject * watched, QEvent * event )

override

Definition at line 177 of file KoZoomInput.cpp.

{
    if(watched == d->combo->view() && event->type() == QEvent::Hide)
    {
        focusNextChild();
        setCurrentIndex(0);
    }
    else if (watched == d->combo && event->type() == QEvent::FocusOut &&
            (d->combo->view() && !d->combo->view()->hasFocus()) && !d->inside)
    {
        setCurrentIndex(0);
    }
    return false;
}

References KoZoomInput::Private::combo, d, and KoZoomInput::Private::inside.

explicitZoomLevelRequested

void KoZoomInput::explicitZoomLevelRequested ( const QString & level )

signal

isFlat()

bool KoZoomInput::isFlat

(

)

const

Definition at line 122 of file KoZoomInput.cpp.

{
    return d->isFlat;
}

References d, and KoZoomInput::Private::isFlat.

keyPressEvent()

void KoZoomInput::keyPressEvent ( QKeyEvent * event )

overrideprotected

Definition at line 113 of file KoZoomInput.cpp.

{
    if (event->key() == Qt::Key_Return ||
        event->key() == Qt::Key_Enter)
    {
        focusNextChild();
    }
}

leaveEvent()

void KoZoomInput::leaveEvent ( QEvent * event )

overrideprotected

Definition at line 94 of file KoZoomInput.cpp.

{
    Q_UNUSED(event);
 
    d->inside = false;
    if (!isFlat()) {
        return;
    }
 
    if(d->combo->view() && d->combo->view()->isVisible())
    {
        d->combo->view()->installEventFilter(this);
        return;
    }
 
    if(!d->combo->hasFocus())
        setCurrentIndex(0);
}

References KoZoomInput::Private::combo, d, KoZoomInput::Private::inside, and isFlat().

setCurrentZoomLevel() [1/3]

void KoZoomInput::setCurrentZoomLevel

(

const QString &

level

)

Definition at line 171 of file KoZoomInput.cpp.

{
    d->combo->setCurrentIndex(d->combo->findText(level));
    d->label->setText(level);
}

References KoZoomInput::Private::combo, d, and KoZoomInput::Private::label.

setCurrentZoomLevel() [2/3]

void KoZoomInput::setCurrentZoomLevel

(

int

index

)

Definition at line 160 of file KoZoomInput.cpp.

{
    setCurrentZoomLevel(index, d->combo->itemText(index));
}

References KoZoomInput::Private::combo, d, and setCurrentZoomLevel().

setCurrentZoomLevel() [3/3]

void KoZoomInput::setCurrentZoomLevel	(	int	index,
		const QString &	activeText )

Definition at line 165 of file KoZoomInput.cpp.

{
    d->combo->setCurrentIndex(index);
    d->label->setText(activeText);
}

References KoZoomInput::Private::combo, d, and KoZoomInput::Private::label.

setFlat()

void KoZoomInput::setFlat

(

bool

flat

)

Definition at line 127 of file KoZoomInput.cpp.

{
    if (flat == d->isFlat) {
        return;
    }
 
    d->isFlat = flat;
 
    if (flat) {
        d->combo->installEventFilter(this);
        if (d->inside) {
            enterEvent(nullptr);
        } else {
            leaveEvent(nullptr);
        }
        d->combo->setEditable(true);
    } else {
        d->combo->removeEventFilter(this);
        if (d->combo->view()) {
            d->combo->view()->removeEventFilter(this);
        }
        d->combo->setCurrentIndex(d->combo->findText(d->label->text()));
        d->combo->setEditable(false);
        setCurrentIndex(1);
    }
}

References KoZoomInput::Private::combo, d, enterEvent(), KoZoomInput::Private::inside, KoZoomInput::Private::isFlat, KoZoomInput::Private::label, and leaveEvent().

setZoomLevels()

void KoZoomInput::setZoomLevels

(

const QStringList &

levels

)

Definition at line 154 of file KoZoomInput.cpp.

{
    d->combo->clear();
    d->combo->addItems(levels);
}

References KoZoomInput::Private::combo, and d.

zoomLevelChanged

void KoZoomInput::zoomLevelChanged ( const QString & level )

signal

zoomLevelChangedIndex

void KoZoomInput::zoomLevelChangedIndex ( int index )

signal

Member Data Documentation

d

Private* const KoZoomInput::d

private

Definition at line 44 of file KoZoomInput.h.

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

• libs/widgets/KoZoomInput.h
• libs/widgets/KoZoomInput.cpp