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#include "qmenumodel.h"
#include <QDebug>
QMenuModel::QMenuModel(GMenuModel *other, QObject *parent)
: QAbstractListModel(parent),
m_menuModel(0),
m_signalChangedId(0)
{
static QHash<int, QByteArray> rolesNames;
if (rolesNames.empty()) {
rolesNames[Action] = "action";
rolesNames[Label] = "label";
rolesNames[LinkSection] = "linkSection";
rolesNames[LinkSubMenu] = "linkSubMenu";
}
setRoleNames(rolesNames);
setMenuModel(other);
}
QMenuModel::~QMenuModel()
{
setMenuModel(NULL);
}
void QMenuModel::setMenuModel(GMenuModel *other)
{
if (m_menuModel == other) {
return;
}
beginResetModel();
if (m_menuModel) {
g_signal_handler_disconnect(m_menuModel, m_signalChangedId);
m_signalChangedId = 0;
g_object_unref(m_menuModel);
}
m_menuModel = other;
endResetModel();
if (m_menuModel) {
qDebug() << "Menu size:" << g_menu_model_get_n_items(m_menuModel);
m_signalChangedId = g_signal_connect(m_menuModel,
"items-changed",
G_CALLBACK(QMenuModel::onItemsChanged),
this);
}
}
GMenuModel *QMenuModel::menuModel() const
{
return m_menuModel;
}
/* QAbstractItemModel */
int QMenuModel::columnCount(const QModelIndex &) const
{
return 1;
}
QVariant QMenuModel::data(const QModelIndex &index, int role) const
{
QVariant attribute;
int rowCountValue = rowCount();
if ((rowCountValue > 0) && (index.row() >= 0) && (index.row() < rowCountValue)) {
if (m_menuModel) {
switch (role)
{
case Action:
attribute = getStringAttribute(index, G_MENU_ATTRIBUTE_ACTION);
break;
case Label:
attribute = getStringAttribute(index, G_MENU_ATTRIBUTE_LABEL);
break;
case LinkSection:
attribute = getLink(index, G_MENU_LINK_SECTION);
break;
case LinkSubMenu:
attribute = getLink(index, G_MENU_LINK_SUBMENU);
break;
default:
break;
}
}
}
return attribute;
}
QModelIndex QMenuModel::parent(const QModelIndex &index) const
{
return QModelIndex();
}
int QMenuModel::rowCount(const QModelIndex &) const
{
if (m_menuModel) {
return g_menu_model_get_n_items(m_menuModel);
}
return 0;
}
QVariant QMenuModel::getStringAttribute(const QModelIndex &index,
const QString &attribute) const
{
QVariant result;
gchar* value = NULL;
g_menu_model_get_item_attribute(m_menuModel,
index.row(),
attribute.toLatin1(),
"s", &value);
if (value) {
result = QVariant(QString::fromLatin1(value));
g_free(value);
}
return result;
}
QVariant QMenuModel::getLink(const QModelIndex &index,
const QString &linkName) const
{
GMenuModel *link;
link = g_menu_model_get_item_link(m_menuModel,
index.row(),
linkName.toLatin1());
if (link) {
QMenuModel *other = new QMenuModel(link, const_cast<QMenuModel*>(this));
return QVariant::fromValue<QObject*>(other);
}
return QVariant();
}
void QMenuModel::onItemsChanged(GMenuModel *,
gint position,
gint removed,
gint added,
gpointer data)
{
QMenuModel *self = reinterpret_cast<QMenuModel*>(data);
if (removed > 0) {
self->beginRemoveRows(QModelIndex(), position, position + removed - 1);
self->endRemoveRows();
}
if (added > 0) {
self->beginInsertRows(QModelIndex(), position, position + added - 1);
self->endInsertRows();
}
}
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