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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 <Qt>
#include <QTimer>
#include "inputdeviceobserver.h"
#include "mirsingleton.h"
#include "logging.h"
using namespace qtmir;
namespace mi = mir::input;
// Note: MirInputDeviceObserver has affinity to a Mir thread, but it is expected setKeymap will be called from the Qt GUI thread
MirInputDeviceObserver::MirInputDeviceObserver(QObject *parent):
QObject(parent)
{
// NB: have to use a Direct connection here, as it's called from Qt GUI thread
connect(Mir::instance(), &Mir::currentKeymapChanged, this, &MirInputDeviceObserver::setKeymap, Qt::DirectConnection);
}
void MirInputDeviceObserver::setKeymap(const QString &keymap)
{
QMutexLocker locker(&m_mutex); // lock so that Qt and Mir don't apply the keymap at the same time
if (keymap != m_keymap) {
qCDebug(QTMIR_MIR_KEYMAP) << "SET KEYMAP" << keymap;
m_keymap = keymap;
applyKeymap();
}
}
void MirInputDeviceObserver::applyKeymap()
{
Q_FOREACH(auto &device, m_devices) {
applyKeymap(device);
}
}
void MirInputDeviceObserver::applyKeymap(miroil::InputDevice device)
{
if (!m_keymap.isEmpty()) {
const QStringList stringList = m_keymap.split('+', QString::SkipEmptyParts);
const QString &layout = stringList.at(0);
QString variant;
if (stringList.count() > 1) {
variant = stringList.at(1);
}
qCDebug(QTMIR_MIR_KEYMAP) << "Applying keymap" << layout << variant << "on" << device.get_device_id() << QString::fromStdString(device.get_device_name());
try
{
device.apply_keymap(layout.toStdString(), variant.toStdString());
qCDebug(QTMIR_MIR_KEYMAP) << "Keymap applied";
}
catch(std::exception const& e)
{
qCWarning(QTMIR_MIR_KEYMAP) << "Keymap could not be applied:" << e.what();
}
}
}
void MirInputDeviceObserver::device_added(miroil::InputDevice device)
{
QMutexLocker locker(&m_mutex); // lock so that Qt and Mir don't apply the keymap at the same time
if (device.is_keyboard() && device.is_alpha_numeric()) {
qCDebug(QTMIR_MIR_KEYMAP) << "Device added" << device.get_device_id();
m_devices.append(device);
applyKeymap(device);
}
}
void MirInputDeviceObserver::device_removed(miroil::InputDevice device)
{
QMutexLocker locker(&m_mutex); // lock so that Qt and Mir don't apply the keymap at the same time
auto i = m_devices.indexOf(device);
if (i >= 0) {
qCDebug(QTMIR_MIR_KEYMAP) << "Device removed" << device.get_device_id();
m_devices.remove(i);
}
}
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