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kwin/keyboard_input.cpp
Martin Gräßlin 4235871667 Remove not-wanted modifiers prior to evaluating global shortcuts 
Summary:
When triggering global shortcuts we are more interested in the hold
keys than the currently active modifiers. E.g. capslock should not
be seen as "shift is hold". Similar we need to remove consumed
modifiers. Shift+5 is % and not Shift+% - the shift modifier is
consumed and needs to be removed from shortcut evaluation.

To support this we need to have the actual state directly from
xkbcommon. Thus a new method is added which exposes the modifiers
relevant for global shortcut matching. In addition on every key press
all consumed modifiers are calculated and kept so that they can be
used for shortcut matching.

In addition a workaround is added for Backtab. Similar workaround
exists in kglobalaccel for X11. The problem is that our shortcuts are
stored incorrectly: Shift+Tab instead of Backtab. Thus a mapping back
is required. To make everything worse KWin registers the wrong key
sequence "Alt+Shift+Backtab" which doesn't make any sense and is
broken on X11 at least.

The workaround supports both special cases. The one for Backtab should
be turned into Shift+Tab and also KWin's special case of adding shift
to backtab.

CCBUG: 368581

Reviewers: #kwin, #plasma_on_wayland, bshah

Subscribers: plasma-devel, kwin

Tags: #plasma_on_wayland, #kwin

Differential Revision: https://phabricator.kde.org/D2768
2016-09-14 10:25:13 +02:00

671 lines
22 KiB
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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013, 2016 Martin Gräßlin <mgraesslin@kde.org>
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 <http://www.gnu.org/licenses/>.
*********************************************************************/
#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 <KWayland/Server/datadevice_interface.h>
#include <KWayland/Server/seat_interface.h>
//screenlocker
#include <KScreenLocker/KsldApp>
// Frameworks
#include <KKeyServer>
#include <KGlobalAccel>
// Qt
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusPendingCall>
#include <QKeyEvent>
#include <QTemporaryFile>
// xkbcommon
#include <xkbcommon/xkbcommon.h>
#include <xkbcommon/xkbcommon-compose.h>
#include <xkbcommon/xkbcommon-keysyms.h>
// system
#include <sys/mman.h>
#include <unistd.h>
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<xkb_context_flags>(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)
, m_consumedModifiers(Qt::NoModifier)
, m_keysym(XKB_KEY_NoSymbol)
{
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);
// get locale as described in xkbcommon doc
// cannot use QLocale as it drops the modifier part
QByteArray locale = qgetenv("LC_ALL");
if (locale.isEmpty()) {
locale = qgetenv("LC_CTYPE");
}
if (locale.isEmpty()) {
locale = qgetenv("LANG");
}
if (locale.isEmpty()) {
locale = QByteArrayLiteral("C");
}
m_compose.table = xkb_compose_table_new_from_locale(m_context, locale.constData(), XKB_COMPOSE_COMPILE_NO_FLAGS);
if (m_compose.table) {
m_compose.state = xkb_compose_state_new(m_compose.table, XKB_COMPOSE_STATE_NO_FLAGS);
}
}
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_compose_state_unref(m_compose.state);
xkb_compose_table_unref(m_compose.table);
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<char*>(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<char> 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<char*>(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<xkb_key_direction>(state));
if (state == InputRedirection::KeyboardKeyPressed) {
const auto sym = toKeysym(key);
if (m_compose.state && xkb_compose_state_feed(m_compose.state, sym) == XKB_COMPOSE_FEED_ACCEPTED) {
switch (xkb_compose_state_get_status(m_compose.state)) {
case XKB_COMPOSE_NOTHING:
m_keysym = sym;
break;
case XKB_COMPOSE_COMPOSED:
m_keysym = xkb_compose_state_get_one_sym(m_compose.state);
break;
default:
m_keysym = XKB_KEY_NoSymbol;
break;
}
} else {
m_keysym = sym;
}
}
updateModifiers();
updateConsumedModifiers(key);
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);
}
}
void Xkb::updateConsumedModifiers(uint32_t key)
{
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (xkb_state_mod_index_is_consumed(m_state, key + 8, m_shiftModifier) == 1) {
mods |= Qt::ShiftModifier;
}
if (xkb_state_mod_index_is_consumed(m_state, key + 8, m_altModifier) == 1) {
mods |= Qt::AltModifier;
}
if (xkb_state_mod_index_is_consumed(m_state, key + 8, m_controlModifier) == 1) {
mods |= Qt::ControlModifier;
}
if (xkb_state_mod_index_is_consumed(m_state, key + 8, m_metaModifier) == 1) {
mods |= Qt::MetaModifier;
}
m_consumedModifiers = mods;
}
Qt::KeyboardModifiers Xkb::modifiersRelevantForGlobalShortcuts() const
{
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (xkb_state_mod_index_is_active(m_state, m_shiftModifier, 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;
}
return mods & ~m_consumedModifiers;
}
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<Qt::Key>(key);
}
bool Xkb::shouldKeyRepeat(quint32 key) const
{
if (!m_keymap) {
return false;
}
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<QKeySequence>({sequence}));
KGlobalAccel::self()->setShortcut(switchKeyboardAction, QList<QKeySequence>({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->currentKeysym();
KeyEvent event(type,
m_xkb->toQtKey(keySym),
m_xkb->modifiers(),
key,
keySym,
m_xkb->toString(keySym),
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);
}
}
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