kwin/input.cpp
Martin Gräßlin 4d883a9cda Ensure pointer position is updated before screen locker enforcement
We need to update the pointer position, also if the screen is locked.
Otherwise the pointer doesn't move on the locked screen with libinput.

In addition we need to use the m_globalPointer for finding the correct
lock screen window as updatePointerWindow also does sanity checking on
the coordinates.

Also we need to introduce security checks where we use the signal.

REVIEW: 126103
2015-11-18 14:42:23 +01:00

1377 lines
46 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013 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 "input.h"
#include "client.h"
#include "effects.h"
#include "globalshortcuts.h"
#include "logind.h"
#include "main.h"
#ifdef KWIN_BUILD_TABBOX
#include "tabbox/tabbox.h"
#endif
#include "unmanaged.h"
#include "screens.h"
#include "workspace.h"
#if HAVE_INPUT
#include "libinput/connection.h"
#endif
#include "abstract_backend.h"
#include "shell_client.h"
#include "wayland_server.h"
#include "virtual_terminal.h"
#include <KWayland/Server/display.h>
#include <KWayland/Server/fakeinput_interface.h>
#include <KWayland/Server/seat_interface.h>
#include <decorations/decoratedclient.h>
#include <KDecoration2/Decoration>
// Qt
#include <QDBusMessage>
#include <QDBusPendingCall>
#include <QKeyEvent>
#include <QMouseEvent>
#include <QTemporaryFile>
// KDE
#include <kkeyserver.h>
#include <xkbcommon/xkbcommon.h>
#include <xkbcommon/xkbcommon-keysyms.h>
// system
#include <linux/input.h>
#include <sys/mman.h>
#include <unistd.h>
namespace KWin
{
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_controlModifier(0)
, m_altModifier(0)
, m_metaModifier(0)
, m_modifiers(Qt::NoModifier)
{
if (!m_context) {
qCDebug(KWIN_CORE) << "Could not create xkb context";
} else {
// load default keymap
xkb_keymap *keymap = xkb_keymap_new_from_names(m_context, nullptr, XKB_KEYMAP_COMPILE_NO_FLAGS);
if (keymap) {
updateKeymap(keymap);
} else {
qCDebug(KWIN_CORE) << "Could not create default xkb keymap";
}
}
}
Xkb::~Xkb()
{
xkb_state_unref(m_state);
xkb_keymap_unref(m_keymap);
xkb_context_unref(m_context);
}
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_CORE) << "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_CORE) << "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_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);
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;
}
xkb_state_update_key(m_state, key + 8, static_cast<xkb_key_direction>(state));
updateModifiers();
if (state == InputRedirection::KeyboardKeyPressed) {
m_modOnlyShortcut.pressCount++;
if (m_modOnlyShortcut.pressCount == 1) {
m_modOnlyShortcut.modifier = Qt::KeyboardModifier(int(m_modifiers));
} else {
m_modOnlyShortcut.modifier = Qt::NoModifier;
}
} else {
m_modOnlyShortcut.pressCount--;
// TODO: ignore on lock screen
if (m_modOnlyShortcut.pressCount == 0) {
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) {
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;
}
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);
}
quint32 Xkb::getMods(quint32 components)
{
if (!m_state) {
return 0;
}
return xkb_state_serialize_mods(m_state, xkb_state_component(components));
}
quint32 Xkb::getGroup()
{
if (!m_state) {
return 0;
}
return xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE);
}
KWIN_SINGLETON_FACTORY(InputRedirection)
InputRedirection::InputRedirection(QObject *parent)
: QObject(parent)
, m_xkb(new Xkb(this))
, m_pointerWindow()
, m_shortcuts(new GlobalShortcutsManager(this))
{
qRegisterMetaType<KWin::InputRedirection::KeyboardKeyState>();
qRegisterMetaType<KWin::InputRedirection::PointerButtonState>();
qRegisterMetaType<KWin::InputRedirection::PointerAxis>();
#if HAVE_INPUT
if (Application::usesLibinput()) {
if (VirtualTerminal::self()) {
setupLibInput();
} else {
connect(kwinApp(), &Application::virtualTerminalCreated, this, &InputRedirection::setupLibInput);
}
}
#endif
connect(kwinApp(), &Application::workspaceCreated, this, &InputRedirection::setupWorkspace);
reconfigure();
}
InputRedirection::~InputRedirection()
{
s_self = NULL;
}
void InputRedirection::init()
{
m_shortcuts->init();
}
void InputRedirection::setupWorkspace()
{
if (waylandServer()) {
connect(workspace(), &Workspace::clientActivated, this, &InputRedirection::updateKeyboardWindow);
using namespace KWayland::Server;
FakeInputInterface *fakeInput = waylandServer()->display()->createFakeInput(this);
fakeInput->create();
connect(fakeInput, &FakeInputInterface::deviceCreated, this,
[this] (FakeInputDevice *device) {
connect(device, &FakeInputDevice::authenticationRequested, this,
[this, device] (const QString &application, const QString &reason) {
// TODO: make secure
device->setAuthentication(true);
}
);
connect(device, &FakeInputDevice::pointerMotionRequested, this,
[this] (const QSizeF &delta) {
// TODO: Fix time
processPointerMotion(globalPointer() + QPointF(delta.width(), delta.height()), 0);
}
);
connect(device, &FakeInputDevice::pointerButtonPressRequested, this,
[this] (quint32 button) {
// TODO: Fix time
processPointerButton(button, InputRedirection::PointerButtonPressed, 0);
}
);
connect(device, &FakeInputDevice::pointerButtonReleaseRequested, this,
[this] (quint32 button) {
// TODO: Fix time
processPointerButton(button, InputRedirection::PointerButtonReleased, 0);
}
);
connect(device, &FakeInputDevice::pointerAxisRequested, this,
[this] (Qt::Orientation orientation, qreal delta) {
// TODO: Fix time
InputRedirection::PointerAxis axis;
switch (orientation) {
case Qt::Horizontal:
axis = InputRedirection::PointerAxisHorizontal;
break;
case Qt::Vertical:
axis = InputRedirection::PointerAxisVertical;
break;
default:
Q_UNREACHABLE();
break;
}
// TODO: Fix time
processPointerAxis(axis, delta, 0);
}
);
}
);
connect(this, &InputRedirection::keyboardModifiersChanged, waylandServer(),
[this] {
if (!waylandServer()->seat()) {
return;
}
waylandServer()->seat()->updateKeyboardModifiers(m_xkb->getMods(XKB_STATE_MODS_DEPRESSED),
m_xkb->getMods(XKB_STATE_MODS_LATCHED),
m_xkb->getMods(XKB_STATE_MODS_LOCKED),
m_xkb->getGroup());
}
);
connect(workspace(), &Workspace::configChanged, this, &InputRedirection::reconfigure);
}
}
void InputRedirection::reconfigure()
{
#if HAVE_INPUT
if (Application::usesLibinput()) {
const auto config = KSharedConfig::openConfig(QStringLiteral("kcminputrc"))->group(QStringLiteral("keyboard"));
const int delay = config.readEntry("RepeatDelay", 660);
const int rate = config.readEntry("RepeatRate", 25);
const bool enabled = config.readEntry("KeyboardRepeating", 0) == 0;
waylandServer()->seat()->setKeyRepeatInfo(enabled ? rate : 0, delay);
}
#endif
}
static KWayland::Server::SeatInterface *findSeat()
{
auto server = waylandServer();
if (!server) {
return nullptr;
}
return server->seat();
}
void InputRedirection::setupLibInput()
{
#if HAVE_INPUT
if (!Application::usesLibinput()) {
return;
}
if (m_libInput) {
return;
}
LibInput::Connection *conn = LibInput::Connection::create(this);
m_libInput = conn;
if (conn) {
conn->setup();
m_pointerWarping = true;
connect(conn, &LibInput::Connection::eventsRead, this,
[this] {
m_libInput->processEvents();
}, Qt::QueuedConnection
);
connect(conn, &LibInput::Connection::pointerButtonChanged, this, &InputRedirection::processPointerButton);
connect(conn, &LibInput::Connection::pointerAxisChanged, this, &InputRedirection::processPointerAxis);
connect(conn, &LibInput::Connection::keyChanged, this, &InputRedirection::processKeyboardKey);
connect(conn, &LibInput::Connection::pointerMotion, this,
[this] (QPointF delta, uint32_t time) {
processPointerMotion(m_globalPointer + delta, time);
}
);
connect(conn, &LibInput::Connection::pointerMotionAbsolute, this,
[this] (QPointF orig, QPointF screen, uint32_t time) {
Q_UNUSED(orig)
processPointerMotion(screen, time);
}
);
connect(conn, &LibInput::Connection::touchDown, this, &InputRedirection::processTouchDown);
connect(conn, &LibInput::Connection::touchUp, this, &InputRedirection::processTouchUp);
connect(conn, &LibInput::Connection::touchMotion, this, &InputRedirection::processTouchMotion);
connect(conn, &LibInput::Connection::touchCanceled, this, &InputRedirection::cancelTouch);
connect(conn, &LibInput::Connection::touchFrame, this, &InputRedirection::touchFrame);
if (screens()) {
setupLibInputWithScreens();
} else {
connect(kwinApp(), &Application::screensCreated, this, &InputRedirection::setupLibInputWithScreens);
}
if (auto s = findSeat()) {
s->setHasKeyboard(conn->hasKeyboard());
s->setHasPointer(conn->hasPointer());
s->setHasTouch(conn->hasTouch());
connect(conn, &LibInput::Connection::hasKeyboardChanged, this,
[this, s] (bool set) {
if (m_libInput->isSuspended()) {
return;
}
s->setHasKeyboard(set);
}
);
connect(conn, &LibInput::Connection::hasPointerChanged, this,
[this, s] (bool set) {
if (m_libInput->isSuspended()) {
return;
}
s->setHasPointer(set);
}
);
connect(conn, &LibInput::Connection::hasTouchChanged, this,
[this, s] (bool set) {
if (m_libInput->isSuspended()) {
return;
}
s->setHasTouch(set);
}
);
}
connect(VirtualTerminal::self(), &VirtualTerminal::activeChanged, m_libInput,
[this] (bool active) {
if (!active) {
m_libInput->deactivate();
}
}
);
}
#endif
}
void InputRedirection::setupLibInputWithScreens()
{
#if HAVE_INPUT
if (!screens() || !m_libInput) {
return;
}
m_libInput->setScreenSize(screens()->size());
connect(screens(), &Screens::sizeChanged, this,
[this] {
m_libInput->setScreenSize(screens()->size());
}
);
// set pos to center of all screens
connect(screens(), &Screens::changed, this, &InputRedirection::updatePointerAfterScreenChange);
m_globalPointer = screens()->geometry().center();
emit globalPointerChanged(m_globalPointer);
// sanitize
updatePointerAfterScreenChange();
#endif
}
void InputRedirection::updatePointerWindow()
{
if (waylandServer() && waylandServer()->isScreenLocked()) {
return;
}
// TODO: handle pointer grab aka popups
Toplevel *t = findToplevel(m_globalPointer.toPoint());
updatePointerInternalWindow();
if (!m_pointerInternalWindow) {
updatePointerDecoration(t);
} else {
m_pointerDecoration.clear();
}
if (m_pointerDecoration || m_pointerInternalWindow) {
t = nullptr;
}
auto oldWindow = m_pointerWindow;
if (!oldWindow.isNull() && t == m_pointerWindow.data()) {
return;
}
if (auto seat = findSeat()) {
// disconnect old surface
if (oldWindow) {
disconnect(oldWindow.data(), &Toplevel::geometryChanged, this, &InputRedirection::updateFocusedPointerPosition);
if (AbstractBackend *b = waylandServer()->backend()) {
if (auto p = seat->focusedPointer()) {
if (auto c = p->cursor()) {
disconnect(c, &KWayland::Server::Cursor::changed, b, &AbstractBackend::installCursorFromServer);
}
}
}
}
if (t && t->surface()) {
seat->setFocusedPointerSurface(t->surface(), t->pos());
connect(t, &Toplevel::geometryChanged, this, &InputRedirection::updateFocusedPointerPosition);
if (AbstractBackend *b = waylandServer()->backend()) {
b->installCursorFromServer();
if (auto p = seat->focusedPointer()) {
if (auto c = p->cursor()) {
connect(c, &KWayland::Server::Cursor::changed, b, &AbstractBackend::installCursorFromServer);
}
}
}
} else {
seat->setFocusedPointerSurface(nullptr);
t = nullptr;
}
}
if (!t) {
m_pointerWindow.clear();
return;
}
m_pointerWindow = QWeakPointer<Toplevel>(t);
}
void InputRedirection::updatePointerDecoration(Toplevel *t)
{
const auto oldDeco = m_pointerDecoration;
if (Client *c = dynamic_cast<Client*>(t)) {
// check whether it's on a Decoration
if (c->decoratedClient()) {
const QRect clientRect = QRect(c->clientPos(), c->clientSize()).translated(c->pos());
if (!clientRect.contains(m_globalPointer.toPoint())) {
m_pointerDecoration = c->decoratedClient();
} else {
m_pointerDecoration.clear();
}
} else {
m_pointerDecoration.clear();
}
} else {
m_pointerDecoration.clear();
}
if (oldDeco && oldDeco != m_pointerDecoration) {
// send leave
QHoverEvent event(QEvent::HoverLeave, QPointF(), QPointF());
QCoreApplication::instance()->sendEvent(oldDeco->decoration(), &event);
if (!m_pointerDecoration && waylandServer()) {
waylandServer()->backend()->installCursorImage(Qt::ArrowCursor);
}
}
if (m_pointerDecoration) {
const QPointF p = m_globalPointer - t->pos();
QHoverEvent event(QEvent::HoverMove, p, p);
QCoreApplication::instance()->sendEvent(m_pointerDecoration->decoration(), &event);
m_pointerDecoration->client()->processDecorationMove();
installCursorFromDecoration();
}
}
void InputRedirection::updatePointerInternalWindow()
{
const auto oldInternalWindow = m_pointerInternalWindow;
if (waylandServer()) {
bool found = false;
const auto &internalClients = waylandServer()->internalClients();
const bool change = m_pointerInternalWindow.isNull() || !(m_pointerInternalWindow->flags().testFlag(Qt::Popup) && m_pointerInternalWindow->isVisible());
if (!internalClients.isEmpty() && change) {
auto it = internalClients.end();
do {
it--;
if (QWindow *w = (*it)->internalWindow()) {
if (!w->isVisible()) {
continue;
}
if (w->geometry().contains(m_globalPointer.toPoint())) {
m_pointerInternalWindow = QPointer<QWindow>(w);
found = true;
break;
}
}
} while (it != internalClients.begin());
if (!found) {
m_pointerInternalWindow.clear();
}
}
}
if (oldInternalWindow != m_pointerInternalWindow) {
// changed
if (oldInternalWindow) {
disconnect(oldInternalWindow.data(), &QWindow::visibleChanged, this, &InputRedirection::pointerInternalWindowVisibilityChanged);
QEvent event(QEvent::Leave);
QCoreApplication::sendEvent(oldInternalWindow.data(), &event);
}
if (m_pointerInternalWindow) {
connect(oldInternalWindow.data(), &QWindow::visibleChanged, this, &InputRedirection::pointerInternalWindowVisibilityChanged);
QEnterEvent event(m_globalPointer - m_pointerInternalWindow->position(),
m_globalPointer - m_pointerInternalWindow->position(),
m_globalPointer);
QCoreApplication::sendEvent(m_pointerInternalWindow.data(), &event);
return;
}
}
if (m_pointerInternalWindow) {
// send mouse move
QMouseEvent event(QEvent::MouseMove,
m_globalPointer.toPoint() - m_pointerInternalWindow->position(),
m_globalPointer.toPoint(),
Qt::NoButton, qtButtonStates(), keyboardModifiers());
QCoreApplication::sendEvent(m_pointerInternalWindow.data(), &event);
}
}
void InputRedirection::pointerInternalWindowVisibilityChanged(bool visible)
{
if (!visible) {
updatePointerWindow();
}
}
void InputRedirection::installCursorFromDecoration()
{
if (waylandServer() && m_pointerDecoration) {
waylandServer()->backend()->installCursorImage(m_pointerDecoration->client()->cursor());
}
}
void InputRedirection::updateFocusedPointerPosition()
{
if (!workspace()) {
return;
}
if (m_pointerWindow.isNull()) {
return;
}
if (workspace()->getMovingClient()) {
// don't update while moving
return;
}
if (auto seat = findSeat()) {
if (m_pointerWindow.data()->surface() != seat->focusedPointerSurface()) {
return;
}
seat->setFocusedPointerSurfacePosition(m_pointerWindow.data()->pos());
}
}
void InputRedirection::updateFocusedTouchPosition()
{
if (m_touchWindow.isNull()) {
return;
}
if (auto seat = findSeat()) {
if (m_touchWindow.data()->surface() != seat->focusedTouchSurface()) {
return;
}
seat->setFocusedTouchSurfacePosition(m_touchWindow.data()->pos());
}
}
void InputRedirection::processPointerMotion(const QPointF &pos, uint32_t time)
{
if (!workspace()) {
return;
}
// first update to new mouse position
// const QPointF oldPos = m_globalPointer;
updatePointerPosition(pos);
if (waylandServer()->isScreenLocked()) {
Toplevel *t = findToplevel(m_globalPointer.toPoint());
if (t && t->surface()) {
if (auto seat = findSeat()) {
seat->setFocusedPointerSurface(t->surface(), t->pos());
seat->setTimestamp(time);
seat->setPointerPos(m_globalPointer);
}
}
return;
}
// TODO: check which part of KWin would like to intercept the event
QMouseEvent event(QEvent::MouseMove, m_globalPointer.toPoint(), m_globalPointer.toPoint(),
Qt::NoButton, qtButtonStates(), keyboardModifiers());
// check whether an effect has a mouse grab
if (effects && static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowEvent(&event)) {
// an effect grabbed the pointer, we do not forward the event to surfaces
return;
}
if (AbstractClient *c = workspace()->getMovingClient()) {
c->updateMoveResize(m_globalPointer);
} else {
QWeakPointer<Toplevel> old = m_pointerWindow;
if (!areButtonsPressed()) {
// update pointer window only if no button is pressed
updatePointerWindow();
} else if (m_pointerDecoration) {
const QPointF p = m_globalPointer - m_pointerDecoration->client()->pos();
QHoverEvent event(QEvent::HoverMove, p, p);
QCoreApplication::instance()->sendEvent(m_pointerDecoration->decoration(), &event);
m_pointerDecoration->client()->processDecorationMove();
}
}
if (auto seat = findSeat()) {
seat->setTimestamp(time);
seat->setPointerPos(m_globalPointer);
}
}
void InputRedirection::processPointerButton(uint32_t button, InputRedirection::PointerButtonState state, uint32_t time)
{
if (!workspace()) {
return;
}
m_pointerButtons[button] = state;
emit pointerButtonStateChanged(button, state);
QMouseEvent event(buttonStateToEvent(state), m_globalPointer.toPoint(), m_globalPointer.toPoint(),
buttonToQtMouseButton(button), qtButtonStates(), keyboardModifiers());
if (waylandServer()->isScreenLocked()) {
if (auto seat = findSeat()) {
KWayland::Server::SurfaceInterface *s = seat->focusedPointerSurface();
if (s) {
Toplevel *t = waylandServer()->findClient(s);
if (t->isLockScreen() || t->isInputMethod()) {
seat->setTimestamp(time);
state == PointerButtonPressed ? seat->pointerButtonPressed(button) : seat->pointerButtonReleased(button);
}
}
}
return;
}
// check whether an effect has a mouse grab
if (effects && static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowEvent(&event)) {
// an effect grabbed the pointer, we do not forward the event to surfaces
return;
}
if (AbstractClient *c = workspace()->getMovingClient()) {
if (state == KWin::InputRedirection::PointerButtonReleased) {
if (!areButtonsPressed()) {
c->endMoveResize();
}
}
return;
}
if (state == KWin::InputRedirection::PointerButtonPressed) {
if (m_shortcuts->processPointerPressed(m_xkb->modifiers(), qtButtonStates())) {
return;
}
}
if (m_pointerInternalWindow) {
// send mouse move
QMouseEvent event(buttonStateToEvent(state),
m_globalPointer.toPoint() - m_pointerInternalWindow->position(),
m_globalPointer.toPoint(),
buttonToQtMouseButton(button), qtButtonStates(), keyboardModifiers());
event.setAccepted(false);
QCoreApplication::sendEvent(m_pointerInternalWindow.data(), &event);
}
if (m_pointerDecoration) {
const QPoint localPos = m_globalPointer.toPoint() - m_pointerDecoration->client()->pos();
QMouseEvent event(buttonStateToEvent(state),
localPos,
m_globalPointer.toPoint(),
buttonToQtMouseButton(button), qtButtonStates(), keyboardModifiers());
event.setAccepted(false);
QCoreApplication::sendEvent(m_pointerDecoration->decoration(), &event);
if (!event.isAccepted()) {
if (state == PointerButtonPressed) {
m_pointerDecoration->client()->processDecorationButtonPress(&event);
}
}
if (state == PointerButtonReleased) {
m_pointerDecoration->client()->processDecorationButtonRelease(&event);
}
installCursorFromDecoration();
}
// TODO: check which part of KWin would like to intercept the event
if (auto seat = findSeat()) {
seat->setTimestamp(time);
bool passThrough = true;
if (state == PointerButtonPressed) {
if (AbstractClient *c = dynamic_cast<AbstractClient*>(m_pointerWindow.data())) {
bool wasAction = false;
const Options::MouseCommand command = c->getMouseCommand(buttonToQtMouseButton(button), &wasAction);
if (wasAction) {
passThrough = c->performMouseCommand(command, m_globalPointer.toPoint());
}
}
}
if (passThrough) {
state == PointerButtonPressed ? seat->pointerButtonPressed(button) : seat->pointerButtonReleased(button);
}
}
if (state == PointerButtonReleased && !areButtonsPressed()) {
updatePointerWindow();
}
}
void InputRedirection::processPointerAxis(InputRedirection::PointerAxis axis, qreal delta, uint32_t time)
{
if (delta == 0) {
return;
}
emit pointerAxisChanged(axis, delta);
if (waylandServer()->isScreenLocked()) {
if (auto seat = findSeat()) {
KWayland::Server::SurfaceInterface *s = seat->focusedPointerSurface();
if (s) {
Toplevel *t = waylandServer()->findClient(s);
if (t->isLockScreen() || t->isInputMethod()) {
seat->setTimestamp(time);
seat->pointerAxis(axis == InputRedirection::PointerAxisHorizontal ? Qt::Horizontal : Qt::Vertical, delta);
}
}
}
return;
}
if (m_xkb->modifiers() != Qt::NoModifier) {
PointerAxisDirection direction = PointerAxisUp;
if (axis == PointerAxisHorizontal) {
if (delta > 0) {
direction = PointerAxisUp;
} else {
direction = PointerAxisDown;
}
} else {
if (delta > 0) {
direction = PointerAxisLeft;
} else {
direction = PointerAxisRight;
}
}
if (m_shortcuts->processAxis(m_xkb->modifiers(), direction)) {
return;
}
}
auto sendWheelEvent = [this, delta, axis] (const QPoint targetPos, QObject *target) -> bool {
const QPointF localPos = m_globalPointer - targetPos;
// TODO: add modifiers and buttons
QWheelEvent event(localPos, m_globalPointer, QPoint(),
(axis == PointerAxisHorizontal) ? QPoint(delta, 0) : QPoint(0, delta),
delta,
(axis == PointerAxisHorizontal) ? Qt::Horizontal : Qt::Vertical,
Qt::NoButton,
Qt::NoModifier);
event.setAccepted(false);
QCoreApplication::sendEvent(target, &event);
return event.isAccepted();
};
if (m_pointerDecoration) {
if (!sendWheelEvent(m_pointerDecoration->client()->pos(), m_pointerDecoration.data())
&& axis == PointerAxisVertical) {
if (m_pointerDecoration->decoration()->titleBar().contains(m_globalPointer.toPoint() - m_pointerDecoration->client()->pos())) {
m_pointerDecoration->client()->performMouseCommand(options->operationTitlebarMouseWheel(delta * -1),
m_globalPointer.toPoint());
}
}
}
if (m_pointerInternalWindow) {
sendWheelEvent(m_pointerInternalWindow->position(), m_pointerInternalWindow.data());
}
// TODO: check which part of KWin would like to intercept the event
// TODO: Axis support for effect redirection
if (auto seat = findSeat()) {
seat->setTimestamp(time);
seat->pointerAxis(axis == InputRedirection::PointerAxisHorizontal ? Qt::Horizontal : Qt::Vertical, delta);
}
}
void InputRedirection::updateKeyboardWindow()
{
if (!workspace()) {
return;
}
if (auto seat = findSeat()) {
// TODO: this needs better integration
Toplevel *t = workspace()->activeClient();
if (t && t->surface()) {
if (t->surface() != seat->focusedKeyboardSurface()) {
seat->setFocusedKeyboardSurface(t->surface());
}
}
}
}
void InputRedirection::processKeyboardKey(uint32_t key, InputRedirection::KeyboardKeyState state, uint32_t time)
{
emit keyStateChanged(key, state);
const Qt::KeyboardModifiers oldMods = keyboardModifiers();
m_xkb->updateKey(key, state);
if (oldMods != keyboardModifiers()) {
emit keyboardModifiersChanged(keyboardModifiers(), oldMods);
}
// check for vt-switch
if (VirtualTerminal::self()) {
const xkb_keysym_t keysym = m_xkb->toKeysym(key);
if (state == KWin::InputRedirection::KeyboardKeyPressed &&
(keysym >= XKB_KEY_XF86Switch_VT_1 && keysym <= XKB_KEY_XF86Switch_VT_12)) {
VirtualTerminal::self()->activate(keysym - XKB_KEY_XF86Switch_VT_1 + 1);
return;
}
}
if (waylandServer()->isScreenLocked()) {
const ToplevelList &stacking = Workspace::self()->stackingOrder();
if (stacking.isEmpty()) {
return;
}
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;
}
if (auto seat = findSeat()) {
seat->setFocusedKeyboardSurface(t->surface());
seat->setTimestamp(time);
state == InputRedirection::KeyboardKeyPressed ? seat->keyPressed(key) : seat->keyReleased(key);
}
return;
} while (it != stacking.begin());
return;
}
// TODO: pass to internal parts of KWin
#ifdef KWIN_BUILD_TABBOX
if (TabBox::TabBox::self() && TabBox::TabBox::self()->isGrabbed()) {
if (state == KWin::InputRedirection::KeyboardKeyPressed) {
TabBox::TabBox::self()->keyPress(m_xkb->modifiers() | m_xkb->toQtKey(m_xkb->toKeysym(key)));
}
return;
}
#endif
auto toKeyEvent = [&] {
const xkb_keysym_t keysym = m_xkb->toKeysym(key);
// TODO: start auto-repeat
// TODO: add modifiers to the event
const QEvent::Type type = (state == KeyboardKeyPressed) ? QEvent::KeyPress : QEvent::KeyRelease;
QKeyEvent event(type, m_xkb->toQtKey(keysym), m_xkb->modifiers(), m_xkb->toString(keysym));
return event;
};
if (effects && static_cast< EffectsHandlerImpl* >(effects)->hasKeyboardGrab()) {
QKeyEvent event = toKeyEvent();
static_cast< EffectsHandlerImpl* >(effects)->grabbedKeyboardEvent(&event);
return;
}
if (workspace()) {
if (AbstractClient *c = workspace()->getMovingClient()) {
c->keyPressEvent(m_xkb->toQtKey(m_xkb->toKeysym(key)) | m_xkb->modifiers());
if (c->isMove() || c->isResize()) {
// only update if mode didn't end
c->updateMoveResize(m_globalPointer);
}
return;
}
// TODO: Maybe it's better to select the top most visible internal window?
if (m_pointerInternalWindow) {
QKeyEvent event = toKeyEvent();
event.setAccepted(false);
QCoreApplication::sendEvent(m_pointerInternalWindow.data(), &event);
return;
}
}
// process global shortcuts
if (state == KeyboardKeyPressed) {
if (m_shortcuts->processKey(m_xkb->modifiers(), m_xkb->toKeysym(key))) {
return;
}
}
if (auto seat = findSeat()) {
seat->setTimestamp(time);
state == InputRedirection::KeyboardKeyPressed ? seat->keyPressed(key) : seat->keyReleased(key);
}
}
void InputRedirection::processKeyboardModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group)
{
// TODO: send to proper Client and also send when active Client changes
Qt::KeyboardModifiers oldMods = keyboardModifiers();
m_xkb->updateModifiers(modsDepressed, modsLatched, modsLocked, group);
if (oldMods != keyboardModifiers()) {
emit keyboardModifiersChanged(keyboardModifiers(), oldMods);
}
}
void InputRedirection::processKeymapChange(int fd, uint32_t size)
{
// TODO: should we pass the keymap to our Clients? Or only to the currently active one and update
m_xkb->installKeymap(fd, size);
}
void InputRedirection::processTouchDown(qint32 id, const QPointF &pos, quint32 time)
{
// TODO: internal handling?
if (auto seat = findSeat()) {
seat->setTimestamp(time);
if (!seat->isTouchSequence()) {
updateTouchWindow(pos);
if (AbstractClient *c = dynamic_cast<AbstractClient*>(m_touchWindow.data())) {
// perform same handling as if it were a left click
bool wasAction = false;
const Options::MouseCommand command = c->getMouseCommand(Qt::LeftButton, &wasAction);
if (wasAction) {
// if no replay we filter out this touch point
if (!c->performMouseCommand(command, pos.toPoint())) {
return;
}
}
}
}
m_touchIdMapper.insert(id, seat->touchDown(pos));
}
}
void InputRedirection::updateTouchWindow(const QPointF &pos)
{
// TODO: handle pointer grab aka popups
Toplevel *t = findToplevel(pos.toPoint());
auto oldWindow = m_touchWindow;
if (!oldWindow.isNull() && t == oldWindow.data()) {
return;
}
if (auto seat = findSeat()) {
// disconnect old surface
if (oldWindow) {
disconnect(oldWindow.data(), &Toplevel::geometryChanged, this, &InputRedirection::updateFocusedTouchPosition);
}
if (t && t->surface()) {
seat->setFocusedTouchSurface(t->surface(), t->pos());
connect(t, &Toplevel::geometryChanged, this, &InputRedirection::updateFocusedTouchPosition);
} else {
seat->setFocusedTouchSurface(nullptr);
t = nullptr;
}
}
if (!t) {
m_touchWindow.clear();
return;
}
m_touchWindow = QWeakPointer<Toplevel>(t);
}
void InputRedirection::processTouchUp(qint32 id, quint32 time)
{
// TODO: internal handling?
if (auto seat = findSeat()) {
auto it = m_touchIdMapper.constFind(id);
if (it != m_touchIdMapper.constEnd()) {
seat->setTimestamp(time);
seat->touchUp(it.value());
}
}
}
void InputRedirection::processTouchMotion(qint32 id, const QPointF &pos, quint32 time)
{
// TODO: internal handling?
if (auto seat = findSeat()) {
seat->setTimestamp(time);
auto it = m_touchIdMapper.constFind(id);
if (it != m_touchIdMapper.constEnd()) {
seat->setTimestamp(time);
seat->touchMove(it.value(), pos);
}
}
}
void InputRedirection::cancelTouch()
{
if (auto seat = findSeat()) {
seat->cancelTouchSequence();
}
}
void InputRedirection::touchFrame()
{
if (auto seat = findSeat()) {
seat->touchFrame();
}
}
QEvent::Type InputRedirection::buttonStateToEvent(InputRedirection::PointerButtonState state)
{
switch (state) {
case KWin::InputRedirection::PointerButtonReleased:
return QEvent::MouseButtonRelease;
case KWin::InputRedirection::PointerButtonPressed:
return QEvent::MouseButtonPress;
}
return QEvent::None;
}
Qt::MouseButton InputRedirection::buttonToQtMouseButton(uint32_t button)
{
switch (button) {
case BTN_LEFT:
return Qt::LeftButton;
case BTN_MIDDLE:
return Qt::MiddleButton;
case BTN_RIGHT:
return Qt::RightButton;
case BTN_BACK:
return Qt::XButton1;
case BTN_FORWARD:
return Qt::XButton2;
}
return Qt::NoButton;
}
Qt::MouseButtons InputRedirection::qtButtonStates() const
{
Qt::MouseButtons buttons;
for (auto it = m_pointerButtons.constBegin(); it != m_pointerButtons.constEnd(); ++it) {
if (it.value() == KWin::InputRedirection::PointerButtonReleased) {
continue;
}
Qt::MouseButton button = buttonToQtMouseButton(it.key());
if (button != Qt::NoButton) {
buttons |= button;
}
}
return buttons;
}
bool InputRedirection::areButtonsPressed() const
{
for (auto it = m_pointerButtons.constBegin(); it != m_pointerButtons.constEnd(); ++it) {
if (it.value() == KWin::InputRedirection::PointerButtonPressed) {
return true;
}
}
return false;
}
static bool acceptsInput(Toplevel *t, const QPoint &pos)
{
const QRegion input = t->inputShape();
if (input.isEmpty()) {
return true;
}
return input.translated(t->pos()).contains(pos);
}
Toplevel *InputRedirection::findToplevel(const QPoint &pos)
{
if (!Workspace::self()) {
return nullptr;
}
const bool isScreenLocked = waylandServer() && waylandServer()->isScreenLocked();
// TODO: check whether the unmanaged wants input events at all
if (!isScreenLocked) {
const UnmanagedList &unmanaged = Workspace::self()->unmanagedList();
foreach (Unmanaged *u, unmanaged) {
if (u->geometry().contains(pos) && acceptsInput(u, pos)) {
return u;
}
}
}
const ToplevelList &stacking = Workspace::self()->stackingOrder();
if (stacking.isEmpty()) {
return NULL;
}
auto it = stacking.end();
do {
--it;
Toplevel *t = (*it);
if (t->isDeleted()) {
// a deleted window doesn't get mouse events
continue;
}
if (AbstractClient *c = dynamic_cast<AbstractClient*>(t)) {
if (!c->isOnCurrentActivity() || !c->isOnCurrentDesktop() || c->isMinimized() || !c->isCurrentTab()) {
continue;
}
}
if (!t->readyForPainting()) {
continue;
}
if (isScreenLocked) {
if (!t->isLockScreen() && !t->isInputMethod()) {
continue;
}
}
if (t->geometry().contains(pos) && acceptsInput(t, pos)) {
return t;
}
} while (it != stacking.begin());
return NULL;
}
uint8_t InputRedirection::toXPointerButton(uint32_t button)
{
switch (button) {
case BTN_LEFT:
return XCB_BUTTON_INDEX_1;
case BTN_RIGHT:
return XCB_BUTTON_INDEX_3;
case BTN_MIDDLE:
return XCB_BUTTON_INDEX_2;
default:
// TODO: add more buttons
return XCB_BUTTON_INDEX_ANY;
}
}
uint8_t InputRedirection::toXPointerButton(InputRedirection::PointerAxis axis, qreal delta)
{
switch (axis) {
case PointerAxisVertical:
if (delta < 0) {
return 4;
} else {
return 5;
}
case PointerAxisHorizontal:
if (delta < 0) {
return 6;
} else {
return 7;
}
}
return XCB_BUTTON_INDEX_ANY;
}
Qt::KeyboardModifiers InputRedirection::keyboardModifiers() const
{
return m_xkb->modifiers();
}
void InputRedirection::registerShortcut(const QKeySequence &shortcut, QAction *action)
{
m_shortcuts->registerShortcut(action, shortcut);
registerShortcutForGlobalAccelTimestamp(action);
}
void InputRedirection::registerPointerShortcut(Qt::KeyboardModifiers modifiers, Qt::MouseButton pointerButtons, QAction *action)
{
m_shortcuts->registerPointerShortcut(action, modifiers, pointerButtons);
}
void InputRedirection::registerAxisShortcut(Qt::KeyboardModifiers modifiers, PointerAxisDirection axis, QAction *action)
{
m_shortcuts->registerAxisShortcut(action, modifiers, axis);
}
void InputRedirection::registerGlobalAccel(KGlobalAccelInterface *interface)
{
m_shortcuts->setKGlobalAccelInterface(interface);
}
void InputRedirection::registerShortcutForGlobalAccelTimestamp(QAction *action)
{
connect(action, &QAction::triggered, kwinApp(), [action] {
QVariant timestamp = action->property("org.kde.kglobalaccel.activationTimestamp");
bool ok = false;
const quint32 t = timestamp.toULongLong(&ok);
if (ok) {
kwinApp()->setX11Time(t);
}
});
}
static bool screenContainsPos(const QPointF &pos)
{
for (int i = 0; i < screens()->count(); ++i) {
if (screens()->geometry(i).contains(pos.toPoint())) {
return true;
}
}
return false;
}
void InputRedirection::updatePointerPosition(const QPointF &pos)
{
// verify that at least one screen contains the pointer position
QPointF p = pos;
if (!screenContainsPos(p)) {
// allow either x or y to pass
p = QPointF(m_globalPointer.x(), pos.y());
if (!screenContainsPos(p)) {
p = QPointF(pos.x(), m_globalPointer.y());
if (!screenContainsPos(p)) {
return;
}
}
}
m_globalPointer = p;
emit globalPointerChanged(m_globalPointer);
}
void InputRedirection::updatePointerAfterScreenChange()
{
if (screenContainsPos(m_globalPointer)) {
// pointer still on a screen
return;
}
// pointer no longer on a screen, reposition to closes screen
m_globalPointer = screens()->geometry(screens()->number(m_globalPointer.toPoint())).center();
emit globalPointerChanged(m_globalPointer);
}
void InputRedirection::warpPointer(const QPointF &pos)
{
if (supportsPointerWarping()) {
if (waylandServer()) {
waylandServer()->backend()->warpPointer(pos);
}
updatePointerPosition(pos);
}
}
bool InputRedirection::supportsPointerWarping() const
{
if (waylandServer() && waylandServer()->backend()->supportsPointerWarping()) {
return true;
}
return m_pointerWarping;
}
} // namespace