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/*
* Copyright (C) 2016-2017 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3, as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
* SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "screens.h"
// qtmirserver
#include <qtmir/qtmir.h>
#include <qtmir/screens.h>
#include <qtmir/screen.h>
#include <QGuiApplication>
// Qt
#include <QScreen>
#include <QWindow>
Screens::Screens(QObject *parent)
: QAbstractListModel(parent)
, m_wrapped(qtmir::get_screen_model())
{
if (qGuiApp->platformName() != QLatin1String("mirserver")) {
qCritical("Not using 'mirserver' QPA plugin. Using qGuiApp may produce unknown results.");
}
connect(m_wrapped.data(), &qtmir::Screens::screenAdded, this, &Screens::onScreenAdded);
connect(m_wrapped.data(), &qtmir::Screens::screenRemoved, this, &Screens::onScreenRemoved);
Q_FOREACH(qtmir::Screen* screen, m_wrapped->screens()) {
m_screenList.push_back(screen);
}
}
QHash<int, QByteArray> Screens::roleNames() const
{
QHash<int, QByteArray> roles;
roles[ScreenRole] = "screen";
return roles;
}
QVariant Screens::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() >= m_screenList.size()) {
return QVariant();
}
switch(role) {
case ScreenRole:
return QVariant::fromValue(m_screenList.at(index.row()));
} // switch
return QVariant();
}
int Screens::rowCount(const QModelIndex &) const
{
return m_screenList.size();
}
void Screens::onScreenAdded(qtmir::Screen *screen)
{
Q_FOREACH(auto screenWrapper, m_screenList) {
if (screenWrapper == screen) return;
}
beginInsertRows(QModelIndex(), m_screenList.count(), m_screenList.count());
m_screenList.push_back(screen);
endInsertRows();
Q_EMIT screenAdded(screen);
}
void Screens::onScreenRemoved(qtmir::Screen *screen)
{
int index = 0;
QMutableListIterator<qtmir::Screen*> iter(m_screenList);
while(iter.hasNext()) {
auto screenWrapper = iter.next();
if (screenWrapper == screen) {
beginRemoveRows(QModelIndex(), index, index);
iter.remove();
endRemoveRows();
Q_EMIT screenRemoved(screen);
break;
}
index++;
}
}
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