diff --git a/keyboard_input.cpp b/keyboard_input.cpp index 2230a3072..cf4dc00ea 100644 --- a/keyboard_input.cpp +++ b/keyboard_input.cpp @@ -1,593 +1,593 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2013, 2016 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "keyboard_input.h" #include "input_event.h" #include "abstract_client.h" #include "options.h" #include "utils.h" #include "screenlockerwatcher.h" #include "toplevel.h" #include "wayland_server.h" #include "workspace.h" // KWayland #include #include //screenlocker #include // Frameworks #include #include // Qt #include #include #include #include #include // xkbcommon #include #include // system #include #include Q_LOGGING_CATEGORY(KWIN_XKB, "kwin_xkbcommon", QtCriticalMsg) namespace KWin { static void xkbLogHandler(xkb_context *context, xkb_log_level priority, const char *format, va_list args) { Q_UNUSED(context) char buf[1024]; if (std::vsnprintf(buf, 1023, format, args) <= 0) { return; } switch (priority) { case XKB_LOG_LEVEL_DEBUG: qCDebug(KWIN_XKB) << "XKB:" << buf; break; case XKB_LOG_LEVEL_INFO: #if (QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)) qCInfo(KWIN_XKB) << "XKB:" << buf; #endif break; case XKB_LOG_LEVEL_WARNING: qCWarning(KWIN_XKB) << "XKB:" << buf; break; case XKB_LOG_LEVEL_ERROR: case XKB_LOG_LEVEL_CRITICAL: default: qCCritical(KWIN_XKB) << "XKB:" << buf; break; } } Xkb::Xkb(InputRedirection *input) : m_input(input) , m_context(xkb_context_new(static_cast(0))) , m_keymap(NULL) , m_state(NULL) , m_shiftModifier(0) , m_capsModifier(0) , m_controlModifier(0) , m_altModifier(0) , m_metaModifier(0) , m_modifiers(Qt::NoModifier) { if (!m_context) { qCDebug(KWIN_XKB) << "Could not create xkb context"; } else { xkb_context_set_log_level(m_context, XKB_LOG_LEVEL_DEBUG); xkb_context_set_log_fn(m_context, &xkbLogHandler); } auto resetModOnlyShortcut = [this] { m_modOnlyShortcut.modifier = Qt::NoModifier; }; QObject::connect(m_input, &InputRedirection::pointerButtonStateChanged, resetModOnlyShortcut); QObject::connect(m_input, &InputRedirection::pointerAxisChanged, resetModOnlyShortcut); QObject::connect(ScreenLockerWatcher::self(), &ScreenLockerWatcher::locked, m_input, resetModOnlyShortcut); } Xkb::~Xkb() { xkb_state_unref(m_state); xkb_keymap_unref(m_keymap); xkb_context_unref(m_context); } void Xkb::reconfigure() { if (!m_context) { return; } xkb_keymap *keymap = nullptr; if (!qEnvironmentVariableIsSet("KWIN_XKB_DEFAULT_KEYMAP")) { keymap = loadKeymapFromConfig(); } if (!keymap) { qCDebug(KWIN_XKB) << "Could not create xkb keymap from configuration"; keymap = loadDefaultKeymap(); } if (keymap) { updateKeymap(keymap); } else { qCDebug(KWIN_XKB) << "Could not create default xkb keymap"; } } xkb_keymap *Xkb::loadKeymapFromConfig() { // load config const KConfigGroup config = KSharedConfig::openConfig(QStringLiteral("kxkbrc"), KConfig::NoGlobals)->group("Layout"); const QByteArray model = config.readEntry("Model", "pc104").toLocal8Bit(); const QByteArray layout = config.readEntry("LayoutList", "").toLocal8Bit(); const QByteArray options = config.readEntry("Options", "").toLocal8Bit(); xkb_rule_names ruleNames = { .rules = nullptr, .model = model.constData(), .layout = layout.constData(), .variant = nullptr, .options = options.constData() }; return xkb_keymap_new_from_names(m_context, &ruleNames, XKB_KEYMAP_COMPILE_NO_FLAGS); } xkb_keymap *Xkb::loadDefaultKeymap() { return xkb_keymap_new_from_names(m_context, nullptr, XKB_KEYMAP_COMPILE_NO_FLAGS); } void Xkb::installKeymap(int fd, uint32_t size) { if (!m_context) { return; } char *map = reinterpret_cast(mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0)); if (map == MAP_FAILED) { return; } xkb_keymap *keymap = xkb_keymap_new_from_string(m_context, map, XKB_KEYMAP_FORMAT_TEXT_V1, XKB_MAP_COMPILE_PLACEHOLDER); munmap(map, size); if (!keymap) { qCDebug(KWIN_XKB) << "Could not map keymap from file"; return; } updateKeymap(keymap); } void Xkb::updateKeymap(xkb_keymap *keymap) { Q_ASSERT(keymap); xkb_state *state = xkb_state_new(keymap); if (!state) { qCDebug(KWIN_XKB) << "Could not create XKB state"; xkb_keymap_unref(keymap); return; } // now release the old ones xkb_state_unref(m_state); xkb_keymap_unref(m_keymap); m_keymap = keymap; m_state = state; m_shiftModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_SHIFT); m_capsModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_CAPS); m_controlModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_CTRL); m_altModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_ALT); m_metaModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_LOGO); m_currentLayout = xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE); createKeymapFile(); } void Xkb::createKeymapFile() { if (!waylandServer()) { return; } // TODO: uninstall keymap on server? if (!m_keymap) { return; } ScopedCPointer keymapString(xkb_keymap_get_as_string(m_keymap, XKB_KEYMAP_FORMAT_TEXT_V1)); if (keymapString.isNull()) { return; } const uint size = qstrlen(keymapString.data()) + 1; QTemporaryFile *tmp = new QTemporaryFile(m_input); if (!tmp->open()) { delete tmp; return; } unlink(tmp->fileName().toUtf8().constData()); if (!tmp->resize(size)) { delete tmp; return; } uchar *address = tmp->map(0, size); if (!address) { return; } if (qstrncpy(reinterpret_cast(address), keymapString.data(), size) == nullptr) { delete tmp; return; } waylandServer()->seat()->setKeymap(tmp->handle(), size); } void Xkb::updateModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group) { if (!m_keymap || !m_state) { return; } xkb_state_update_mask(m_state, modsDepressed, modsLatched, modsLocked, 0, 0, group); updateModifiers(); } void Xkb::updateKey(uint32_t key, InputRedirection::KeyboardKeyState state) { if (!m_keymap || !m_state) { return; } const auto oldMods = m_modifiers; xkb_state_update_key(m_state, key + 8, static_cast(state)); updateModifiers(); if (state == InputRedirection::KeyboardKeyPressed) { m_modOnlyShortcut.pressCount++; if (m_modOnlyShortcut.pressCount == 1 && !ScreenLockerWatcher::self()->isLocked() && oldMods == Qt::NoModifier && m_input->qtButtonStates() == Qt::NoButton) { m_modOnlyShortcut.modifier = Qt::KeyboardModifier(int(m_modifiers)); } else { m_modOnlyShortcut.modifier = Qt::NoModifier; } } else { m_modOnlyShortcut.pressCount--; if (m_modOnlyShortcut.pressCount == 0 && m_modifiers == Qt::NoModifier) { if (m_modOnlyShortcut.modifier != Qt::NoModifier) { const auto list = options->modifierOnlyDBusShortcut(m_modOnlyShortcut.modifier); if (list.size() >= 4) { auto call = QDBusMessage::createMethodCall(list.at(0), list.at(1), list.at(2), list.at(3)); QVariantList args; for (int i = 4; i < list.size(); ++i) { args << list.at(i); } call.setArguments(args); QDBusConnection::sessionBus().asyncCall(call); } } } m_modOnlyShortcut.modifier = Qt::NoModifier; } } void Xkb::updateModifiers() { Qt::KeyboardModifiers mods = Qt::NoModifier; if (xkb_state_mod_index_is_active(m_state, m_shiftModifier, XKB_STATE_MODS_EFFECTIVE) == 1 || xkb_state_mod_index_is_active(m_state, m_capsModifier, XKB_STATE_MODS_EFFECTIVE) == 1) { mods |= Qt::ShiftModifier; } if (xkb_state_mod_index_is_active(m_state, m_altModifier, XKB_STATE_MODS_EFFECTIVE) == 1) { mods |= Qt::AltModifier; } if (xkb_state_mod_index_is_active(m_state, m_controlModifier, XKB_STATE_MODS_EFFECTIVE) == 1) { mods |= Qt::ControlModifier; } if (xkb_state_mod_index_is_active(m_state, m_metaModifier, XKB_STATE_MODS_EFFECTIVE) == 1) { mods |= Qt::MetaModifier; } m_modifiers = mods; const xkb_layout_index_t layout = xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE); if (layout != m_currentLayout) { m_currentLayout = layout; // notify OSD service about the new layout if (kwinApp()->usesLibinput()) { // only if kwin is in charge of keyboard input QDBusMessage msg = QDBusMessage::createMethodCall( QStringLiteral("org.kde.plasmashell"), QStringLiteral("/org/kde/osdService"), QStringLiteral("org.kde.osdService"), QStringLiteral("kbdLayoutChanged")); msg << QString::fromLocal8Bit(xkb_keymap_layout_get_name(m_keymap, layout)); QDBusConnection::sessionBus().asyncCall(msg); } } if (waylandServer()) { waylandServer()->seat()->updateKeyboardModifiers(xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_DEPRESSED)), xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LATCHED)), xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LOCKED)), layout); } } xkb_keysym_t Xkb::toKeysym(uint32_t key) { if (!m_state) { return XKB_KEY_NoSymbol; } return xkb_state_key_get_one_sym(m_state, key + 8); } QString Xkb::toString(xkb_keysym_t keysym) { if (!m_state || keysym == XKB_KEY_NoSymbol) { return QString(); } QByteArray byteArray(7, 0); int ok = xkb_keysym_to_utf8(keysym, byteArray.data(), byteArray.size()); if (ok == -1 || ok == 0) { return QString(); } return QString::fromUtf8(byteArray.constData()); } Qt::Key Xkb::toQtKey(xkb_keysym_t keysym) { int key = Qt::Key_unknown; KKeyServer::symXToKeyQt(keysym, &key); return static_cast(key); } bool Xkb::shouldKeyRepeat(quint32 key) const { if (!m_keymap) { return false; } - return xkb_keymap_key_repeats(m_keymap, key) != 0; + return xkb_keymap_key_repeats(m_keymap, key + 8) != 0; } void Xkb::switchToNextLayout() { if (!m_keymap || !m_state) { return; } const xkb_layout_index_t numLayouts = xkb_keymap_num_layouts(m_keymap); const xkb_layout_index_t nextLayout = (xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE) + 1) % numLayouts; const xkb_mod_mask_t depressed = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_DEPRESSED)); const xkb_mod_mask_t latched = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LATCHED)); const xkb_mod_mask_t locked = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LOCKED)); xkb_state_update_mask(m_state, depressed, latched, locked, 0, 0, nextLayout); updateModifiers(); } KeyboardInputRedirection::KeyboardInputRedirection(InputRedirection *parent) : QObject(parent) , m_input(parent) , m_xkb(new Xkb(parent)) { } KeyboardInputRedirection::~KeyboardInputRedirection() { qDeleteAll(m_repeatTimers); m_repeatTimers.clear(); } void KeyboardInputRedirection::init() { Q_ASSERT(!m_inited); m_inited = true; connect(workspace(), &QObject::destroyed, this, [this] { m_inited = false; }); connect(waylandServer(), &QObject::destroyed, this, [this] { m_inited = false; }); connect(workspace(), &Workspace::clientActivated, this, [this] { disconnect(m_activeClientSurfaceChangedConnection); if (auto c = workspace()->activeClient()) { m_activeClientSurfaceChangedConnection = connect(c, &Toplevel::surfaceChanged, this, &KeyboardInputRedirection::update); } else { m_activeClientSurfaceChangedConnection = QMetaObject::Connection(); } update(); } ); if (waylandServer()->hasScreenLockerIntegration()) { connect(ScreenLocker::KSldApp::self(), &ScreenLocker::KSldApp::lockStateChanged, this, &KeyboardInputRedirection::update); } QAction *switchKeyboardAction = new QAction(this); switchKeyboardAction->setObjectName(QStringLiteral("Switch to Next Keyboard Layout")); switchKeyboardAction->setProperty("componentName", QStringLiteral("KDE Keyboard Layout Switcher")); const QKeySequence sequence = QKeySequence(Qt::ALT+Qt::CTRL+Qt::Key_K); KGlobalAccel::self()->setDefaultShortcut(switchKeyboardAction, QList({sequence})); KGlobalAccel::self()->setShortcut(switchKeyboardAction, QList({sequence})); m_input->registerShortcut(sequence, switchKeyboardAction); connect(switchKeyboardAction, &QAction::triggered, this, [this] { m_xkb->switchToNextLayout(); } ); QDBusConnection::sessionBus().connect(QString(), QStringLiteral("/Layouts"), QStringLiteral("org.kde.keyboard"), QStringLiteral("reloadConfig"), this, SLOT(reconfigure())); m_xkb->reconfigure(); } void KeyboardInputRedirection::reconfigure() { m_xkb->reconfigure(); } void KeyboardInputRedirection::update() { if (!m_inited) { return; } auto seat = waylandServer()->seat(); // TODO: this needs better integration Toplevel *found = nullptr; if (waylandServer()->isScreenLocked()) { const ToplevelList &stacking = Workspace::self()->stackingOrder(); if (!stacking.isEmpty()) { auto it = stacking.end(); do { --it; Toplevel *t = (*it); if (t->isDeleted()) { // a deleted window doesn't get mouse events continue; } if (!t->isLockScreen()) { continue; } if (!t->readyForPainting()) { continue; } found = t; break; } while (it != stacking.begin()); } } else { found = workspace()->activeClient(); } if (found && found->surface()) { if (found->surface() != seat->focusedKeyboardSurface()) { seat->setFocusedKeyboardSurface(found->surface()); auto newKeyboard = seat->focusedKeyboard(); if (newKeyboard && newKeyboard->client() == waylandServer()->xWaylandConnection()) { // focus passed to an XWayland surface const auto selection = seat->selection(); auto xclipboard = waylandServer()->xclipboardSyncDataDevice(); if (xclipboard && selection != xclipboard.data()) { if (selection) { xclipboard->sendSelection(selection); } else { xclipboard->sendClearSelection(); } } } } } else { seat->setFocusedKeyboardSurface(nullptr); } } void KeyboardInputRedirection::processKey(uint32_t key, InputRedirection::KeyboardKeyState state, uint32_t time, LibInput::Device *device) { if (!m_inited) { return; } QEvent::Type type; bool autoRepeat = false; switch (state) { case InputRedirection::KeyboardKeyAutoRepeat: autoRepeat = true; // fall through case InputRedirection::KeyboardKeyPressed: type = QEvent::KeyPress; break; case InputRedirection::KeyboardKeyReleased: type = QEvent::KeyRelease; break; default: Q_UNREACHABLE(); } if (!autoRepeat) { emit m_input->keyStateChanged(key, state); const Qt::KeyboardModifiers oldMods = modifiers(); m_xkb->updateKey(key, state); if (oldMods != modifiers()) { emit m_input->keyboardModifiersChanged(modifiers(), oldMods); } } const xkb_keysym_t keySym = m_xkb->toKeysym(key); KeyEvent event(type, m_xkb->toQtKey(keySym), m_xkb->modifiers(), key, keySym, m_xkb->toString(m_xkb->toKeysym(key)), autoRepeat, time, device); if (state == InputRedirection::KeyboardKeyPressed) { if (m_xkb->shouldKeyRepeat(key) && waylandServer()->seat()->keyRepeatDelay() != 0) { QTimer *timer = new QTimer; timer->setInterval(waylandServer()->seat()->keyRepeatDelay()); connect(timer, &QTimer::timeout, this, [this, timer, time, key] { const int delay = 1000 / waylandServer()->seat()->keyRepeatRate(); if (timer->interval() != delay) { timer->setInterval(delay); } // TODO: better time processKey(key, InputRedirection::KeyboardKeyAutoRepeat, time); } ); m_repeatTimers.insert(key, timer); timer->start(); } } else if (state == InputRedirection::KeyboardKeyReleased) { auto it = m_repeatTimers.find(key); if (it != m_repeatTimers.end()) { delete it.value(); m_repeatTimers.erase(it); } } const auto &filters = m_input->filters(); for (auto it = filters.begin(), end = filters.end(); it != end; it++) { if ((*it)->keyEvent(&event)) { return; } } } void KeyboardInputRedirection::processModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group) { if (!m_inited) { return; } // TODO: send to proper Client and also send when active Client changes Qt::KeyboardModifiers oldMods = modifiers(); m_xkb->updateModifiers(modsDepressed, modsLatched, modsLocked, group); if (oldMods != modifiers()) { emit m_input->keyboardModifiersChanged(modifiers(), oldMods); } } void KeyboardInputRedirection::processKeymapChange(int fd, uint32_t size) { if (!m_inited) { return; } // TODO: should we pass the keymap to our Clients? Or only to the currently active one and update m_xkb->installKeymap(fd, size); } }