flagbox.cpp

来自「奇趣公司比较新的qt/emd版本」· C++ 代码 · 共 71 行

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#include "flagbox_p.h"

#include <QtGui/QAbstractItemView>
#include <QtGui/QItemDelegate>

#include <QtCore/qdebug.h>

using namespace qdesigner_internal;

FlagBox::FlagBox(QWidget *parent)
    : QComboBox(parent)
{
    m_model = new FlagBoxModel(this);
    setModel(m_model);

    QStyleOptionComboBox opt;
    opt.initFrom(this);
    opt.editable = isEditable();
    if (style()->styleHint(QStyle::SH_ComboBox_Popup, &opt, this))
        setItemDelegate(new QItemDelegate(this));

    connect(this, SIGNAL(activated(int)), this, SLOT(slotActivated(int)));
}

FlagBox::~FlagBox()
{
}

void FlagBox::slotActivated(int index)
{
    QVariant value = itemData(index, Qt::CheckStateRole);
    Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
    setItemData(index, (state == Qt::Unchecked ? Qt::Checked : Qt::Unchecked), Qt::CheckStateRole);
}