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190 lines
6.5 KiB
190 lines
6.5 KiB
/* |
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SPDX-FileCopyrightText: 2010 Andriy Rysin <[email protected]> |
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SPDX-License-Identifier: GPL-2.0-or-later |
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*/ |
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#include "xinput_helper.h" |
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#include "debug.h" |
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#include <config-keyboard.h> |
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#include <QCoreApplication> |
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#include <QDebug> |
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#include <QTimer> |
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#include <QX11Info> |
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#include <X11/X.h> |
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#include <X11/Xatom.h> |
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#ifdef HAVE_XINPUT |
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#include <X11/extensions/XInput.h> |
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#include <xcb/xproto.h> |
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typedef struct xcb_input_device_presence_notify_event_t { |
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uint8_t response_type; |
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uint8_t pad0; |
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uint16_t sequence; |
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xcb_timestamp_t time; |
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uint8_t devchange; |
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uint8_t device_id; |
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uint16_t control; |
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uint8_t pad1[20]; |
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} xcb_input_device_presence_notify_event_t; |
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// FIXME: #include <xcb/xinput.h> once xcb-xinput is stable |
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#endif |
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#include "udev_helper.h" |
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static const int DEVICE_NONE = 0; |
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static const int DEVICE_KEYBOARD = 1; |
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static const int DEVICE_POINTER = 2; |
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XInputEventNotifier::XInputEventNotifier(QWidget *parent) |
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: XEventNotifier() |
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, // TODO: destruct properly? |
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xinputEventType(-1) |
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, udevNotifier(nullptr) |
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, keyboardNotificationTimer(new QTimer(this)) |
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, mouseNotificationTimer(new QTimer(this)) |
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{ |
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Q_UNUSED(parent) |
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// Q_EMIT signal only once, even after X11 re-enables N keyboards after resuming from suspend |
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keyboardNotificationTimer->setSingleShot(true); |
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keyboardNotificationTimer->setInterval(500); |
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connect(keyboardNotificationTimer, &QTimer::timeout, this, &XInputEventNotifier::newKeyboardDevice); |
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// same for mouse |
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mouseNotificationTimer->setSingleShot(true); |
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mouseNotificationTimer->setInterval(500); |
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connect(mouseNotificationTimer, &QTimer::timeout, this, &XInputEventNotifier::newPointerDevice); |
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} |
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void XInputEventNotifier::start() |
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{ |
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if (QCoreApplication::instance() != nullptr) { |
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registerForNewDeviceEvent(QX11Info::display()); |
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} |
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XEventNotifier::start(); |
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} |
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void XInputEventNotifier::stop() |
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{ |
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XEventNotifier::stop(); |
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} |
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bool XInputEventNotifier::processOtherEvents(xcb_generic_event_t *event) |
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{ |
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int newDeviceType = getNewDeviceEventType(event); |
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if (newDeviceType == DEVICE_KEYBOARD) { |
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if (!keyboardNotificationTimer->isActive()) { |
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keyboardNotificationTimer->start(); |
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} |
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} else if (newDeviceType == DEVICE_POINTER) { |
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if (!mouseNotificationTimer->isActive()) { |
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mouseNotificationTimer->start(); |
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} |
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// arghhh, looks like X resets xkb map even when only pointer device is connected |
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if (!keyboardNotificationTimer->isActive()) { |
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keyboardNotificationTimer->start(); |
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} |
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} |
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return true; |
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} |
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#if defined(HAVE_XINPUT) |
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// This is ugly but allows to skip multiple execution of setxkbmap |
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// for all keyboard devices that don't care about layouts |
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static bool isRealKeyboard(const char *deviceName) |
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{ |
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return strstr(deviceName, "Video Bus") == nullptr && strstr(deviceName, "Sleep Button") == nullptr && strstr(deviceName, "Power Button") == nullptr |
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&& strstr(deviceName, "WMI hotkeys") == nullptr && strstr(deviceName, "Camera") == nullptr; |
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} |
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int XInputEventNotifier::getNewDeviceEventType(xcb_generic_event_t *event) |
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{ |
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int newDeviceType = DEVICE_NONE; |
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if (xinputEventType != -1 && event->response_type == xinputEventType) { |
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xcb_input_device_presence_notify_event_t *xdpne = reinterpret_cast<xcb_input_device_presence_notify_event_t *>(event); |
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if (xdpne->devchange == DeviceEnabled) { |
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int ndevices; |
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XDeviceInfo *devices = XListInputDevices(display, &ndevices); |
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if (devices != nullptr) { |
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qCDebug(KCM_KEYBOARD) << "New device id:" << xdpne->device_id; |
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for (int i = 0; i < ndevices; i++) { |
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qCDebug(KCM_KEYBOARD) << "id:" << devices[i].id << "name:" << devices[i].name << "used as:" << devices[i].use; |
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if (devices[i].id == xdpne->device_id) { |
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if (devices[i].use == IsXKeyboard || devices[i].use == IsXExtensionKeyboard) { |
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if (isRealKeyboard(devices[i].name)) { |
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newDeviceType = DEVICE_KEYBOARD; |
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qCDebug(KCM_KEYBOARD) << "new keyboard device, id:" << devices[i].id << "name:" << devices[i].name |
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<< "used as:" << devices[i].use; |
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break; |
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} |
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} |
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if (devices[i].use == IsXPointer || devices[i].use == IsXExtensionPointer) { |
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newDeviceType = DEVICE_POINTER; |
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qCDebug(KCM_KEYBOARD) << "new pointer device, id:" << devices[i].id << "name:" << devices[i].name << "used as:" << devices[i].use; |
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break; |
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} |
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} |
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} |
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XFreeDeviceList(devices); |
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} |
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} |
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} |
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return newDeviceType; |
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} |
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int XInputEventNotifier::registerForNewDeviceEvent(Display *display_) |
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{ |
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int xitype; |
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XEventClass xiclass; |
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display = display_; |
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DevicePresence(display, xitype, xiclass); |
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XSelectExtensionEvent(display, DefaultRootWindow(display), &xiclass, 1); |
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qCDebug(KCM_KEYBOARD) << "Registered for new device events from XInput, class" << xitype; |
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xinputEventType = xitype; |
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return xitype; |
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} |
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#elif defined(HAVE_UDEV) |
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int XInputEventNotifier::registerForNewDeviceEvent(Display * /*display*/) |
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{ |
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if (!udevNotifier) { |
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udevNotifier = new UdevDeviceNotifier(this); |
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connect(udevNotifier, &UdevDeviceNotifier::newKeyboardDevice, this, &XInputEventNotifier::newKeyboardDevice); |
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connect(udevNotifier, &UdevDeviceNotifier::newPointerDevice, this, &XInputEventNotifier::newPointerDevice); |
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// Same as with XInput notifier, also Q_EMIT newKeyboardDevice when pointer device is found |
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connect(udevNotifier, &UdevDeviceNotifier::newPointerDevice, this, &XInputEventNotifier::newKeyboardDevice); |
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} |
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return -1; |
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} |
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int XInputEventNotifier::getNewDeviceEventType(xcb_generic_event_t * /*event*/) |
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{ |
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return DEVICE_NONE; |
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} |
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#else |
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#ifdef __GNUC__ |
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#warning "Keyboard daemon is compiled without XInput and UDev, keyboard settings will be reset when new keyboard device is plugged in!" |
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#endif |
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int XInputEventNotifier::registerForNewDeviceEvent(Display * /*display*/) |
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{ |
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qCWarning(KCM_KEYBOARD) << "Keyboard kded daemon is compiled without XInput, xkb configuration will be reset when new keyboard device is plugged in!"; |
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return -1; |
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} |
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int XInputEventNotifier::getNewDeviceEventType(xcb_generic_event_t * /*event*/) |
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{ |
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return DEVICE_NONE; |
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} |
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#endif
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