rcombobox.cpp

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#include "rcombobox.h"
 
// Qt includes
 
#include <QApplication>
#include <QStyle>
#include <QToolButton>
#include <QHBoxLayout>
 
// KDE includes
 
#include <klocalizedstring.h>
 
#include <kis_icon_utils.h>
 
namespace KDcrawIface
{
 
class Q_DECL_HIDDEN RComboBox::Private
{
 
public:
 
    Private()
    {
        defaultIndex = 0;
        resetButton  = 0;
        combo        = 0;
    }
 
    int          defaultIndex;
 
    QToolButton* resetButton;
 
    QComboBox*   combo;
};
 
RComboBox::RComboBox(QWidget* const parent)
         : QWidget(parent), d(new Private)
{
    QHBoxLayout* const hlay = new QHBoxLayout(this);
    d->combo                = new QComboBox(this);
    d->resetButton          = new QToolButton(this);
    d->resetButton->setAutoRaise(true);
    d->resetButton->setFocusPolicy(Qt::NoFocus);
    d->resetButton->setIcon(KisIconUtils::loadIcon("document-revert").pixmap(16, 16));
    d->resetButton->setToolTip(i18nc("@info:tooltip", "Reset to default value"));
 
    hlay->addWidget(d->combo);
    hlay->addWidget(d->resetButton);
    hlay->setStretchFactor(d->combo, 10);
    hlay->setContentsMargins(0, 0, 0, 0);
    hlay->setSpacing(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing));
 
    // -------------------------------------------------------------
 
    connect(d->resetButton, &QToolButton::clicked,
            this, &RComboBox::slotReset);
 
    connect(d->combo, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated),
            this, &RComboBox::slotItemActivated);
 
    connect(d->combo, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
            this, &RComboBox::slotCurrentIndexChanged);
}
 
RComboBox::~RComboBox()
{
    delete d;
}
 
QComboBox* RComboBox::combo() const
{
    return d->combo;
}
 
void RComboBox::addItem(const QString& t, int index)
{
    d->combo->addItem(t, index);
}
 
void RComboBox::insertItem(int index, const QString& t)
{
    d->combo->insertItem(index, t);
}
 
int RComboBox::currentIndex() const
{
    return d->combo->currentIndex();
}
 
void RComboBox::setCurrentIndex(int v)
{
    d->combo->setCurrentIndex(v);
}
 
int RComboBox::defaultIndex() const
{
    return d->defaultIndex;
}
 
void RComboBox::setDefaultIndex(int v)
{
    d->defaultIndex = v;
    d->combo->setCurrentIndex(d->defaultIndex);
    slotItemActivated(v);
}
 
void RComboBox::slotReset()
{
    d->combo->setCurrentIndex(d->defaultIndex);
    d->resetButton->setEnabled(false);
    slotItemActivated(d->defaultIndex);
    Q_EMIT reset();
}
 
void RComboBox::slotItemActivated(int v)
{
    d->resetButton->setEnabled(v != d->defaultIndex);
    Q_EMIT activated(v);
}
 
void RComboBox::slotCurrentIndexChanged(int v)
{
    d->resetButton->setEnabled(v != d->defaultIndex);
    Q_EMIT currentIndexChanged(v);
}
 
}  // namespace KDcrawIface