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| ****************************************************************************/ |
| |
| #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 |
| |
| 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 = m_spec.splitRef(QLatin1Char(':')); |
| for (const QStringRef &arg : specs) { |
| if (arg.startsWith(QLatin1String("keymap="))) |
| 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 |