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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qevdevkeyboardmanager_p.h"
#include <QtInputSupport/private/qevdevutil_p.h>
#include <QStringList>
#include <QCoreApplication>
#include <QLoggingCategory>
#include <private/qguiapplication_p.h>
#include <private/qinputdevicemanager_p_p.h>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
Q_DECLARE_LOGGING_CATEGORY(qLcEvdevKey)
QEvdevKeyboardManager::QEvdevKeyboardManager(const QString &key, const QString &specification, QObject *parent)
: QObject(parent)
{
Q_UNUSED(key);
QString spec = QString::fromLocal8Bit(qgetenv("QT_QPA_EVDEV_KEYBOARD_PARAMETERS"));
if (spec.isEmpty())
spec = specification;
auto parsed = QEvdevUtil::parseSpecification(spec);
m_spec = std::move(parsed.spec);
// add all keyboards for devices specified in the argument list
for (const QString &device : qAsConst(parsed.devices))
addKeyboard(device);
if (parsed.devices.isEmpty()) {
qCDebug(qLcEvdevKey, "evdevkeyboard: Using device discovery");
if (auto deviceDiscovery = QDeviceDiscovery::create(QDeviceDiscovery::Device_Keyboard, this)) {
// scan and add already connected keyboards
const QStringList devices = deviceDiscovery->scanConnectedDevices();
for (const QString &device : devices)
addKeyboard(device);
connect(deviceDiscovery, &QDeviceDiscovery::deviceDetected,
this, &QEvdevKeyboardManager::addKeyboard);
connect(deviceDiscovery, &QDeviceDiscovery::deviceRemoved,
this, &QEvdevKeyboardManager::removeKeyboard);
}
}
}
QEvdevKeyboardManager::~QEvdevKeyboardManager()
{
}
void QEvdevKeyboardManager::addKeyboard(const QString &deviceNode)
{
qCDebug(qLcEvdevKey, "Adding keyboard at %ls", qUtf16Printable(deviceNode));
auto keyboard = QEvdevKeyboardHandler::create(deviceNode, m_spec, m_defaultKeymapFile);
if (keyboard) {
m_keyboards.add(deviceNode, std::move(keyboard));
updateDeviceCount();
} else {
qWarning("Failed to open keyboard device %ls", qUtf16Printable(deviceNode));
}
}
void QEvdevKeyboardManager::removeKeyboard(const QString &deviceNode)
{
if (m_keyboards.remove(deviceNode)) {
qCDebug(qLcEvdevKey, "Removing keyboard at %ls", qUtf16Printable(deviceNode));
updateDeviceCount();
}
}
void QEvdevKeyboardManager::updateDeviceCount()
{
QInputDeviceManagerPrivate::get(QGuiApplicationPrivate::inputDeviceManager())->setDeviceCount(
QInputDeviceManager::DeviceTypeKeyboard, m_keyboards.count());
}
void QEvdevKeyboardManager::loadKeymap(const QString &file)
{
m_defaultKeymapFile = file;
if (file.isEmpty()) {
// Restore the default, which is either the built-in keymap or
// the one given in the plugin spec.
QString keymapFromSpec;
const auto specs = QStringView{m_spec}.split(u':');
for (const auto &arg : specs) {
if (arg.startsWith("keymap="_L1))
keymapFromSpec = arg.mid(7).toString();
}
for (const auto &keyboard : m_keyboards) {
if (keymapFromSpec.isEmpty())
keyboard.handler->unloadKeymap();
else
keyboard.handler->loadKeymap(keymapFromSpec);
}
} else {
for (const auto &keyboard : m_keyboards)
keyboard.handler->loadKeymap(file);
}
}
void QEvdevKeyboardManager::switchLang()
{
for (const auto &keyboard : m_keyboards)
keyboard.handler->switchLang();
}
QT_END_NAMESPACE
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