228 lines
6.1 KiB
C++
228 lines
6.1 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2013, 2016 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-FileCopyrightText: 2018 Roman Gilg <subdiff@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "touch_input.h"
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#include "abstract_client.h"
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#include "pointer_input.h"
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#include "input_event_spy.h"
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#include "toplevel.h"
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#include "wayland_server.h"
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#include "workspace.h"
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#include "decorations/decoratedclient.h"
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// KDecoration
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#include <KDecoration2/Decoration>
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// KWayland
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#include <KWaylandServer/seat_interface.h>
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// screenlocker
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#include <KScreenLocker/KsldApp>
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// Qt
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#include <QHoverEvent>
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#include <QWindow>
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namespace KWin
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{
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TouchInputRedirection::TouchInputRedirection(InputRedirection *parent)
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: InputDeviceHandler(parent)
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{
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}
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TouchInputRedirection::~TouchInputRedirection() = default;
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void TouchInputRedirection::init()
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{
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Q_ASSERT(!inited());
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setInited(true);
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InputDeviceHandler::init();
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if (waylandServer()->hasScreenLockerIntegration()) {
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connect(ScreenLocker::KSldApp::self(), &ScreenLocker::KSldApp::lockStateChanged, this,
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[this] {
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cancel();
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// position doesn't matter
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update();
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}
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);
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}
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connect(workspace(), &QObject::destroyed, this, [this] { setInited(false); });
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connect(waylandServer(), &QObject::destroyed, this, [this] { setInited(false); });
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}
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bool TouchInputRedirection::focusUpdatesBlocked()
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{
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if (!inited()) {
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return true;
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}
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if (m_windowUpdatedInCycle) {
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return true;
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}
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m_windowUpdatedInCycle = true;
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if (waylandServer()->seat()->isDragTouch()) {
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return true;
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}
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if (m_touches > 1) {
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// first touch defines focus
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return true;
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}
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return false;
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}
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bool TouchInputRedirection::positionValid() const
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{
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Q_ASSERT(m_touches >= 0);
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// we can only determine a position with at least one touch point
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return m_touches;
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}
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void TouchInputRedirection::focusUpdate(Toplevel *focusOld, Toplevel *focusNow)
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{
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// TODO: handle pointer grab aka popups
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if (AbstractClient *ac = qobject_cast<AbstractClient*>(focusOld)) {
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ac->leaveEvent();
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}
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disconnect(m_focusGeometryConnection);
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m_focusGeometryConnection = QMetaObject::Connection();
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if (AbstractClient *ac = qobject_cast<AbstractClient*>(focusNow)) {
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ac->enterEvent(m_lastPosition.toPoint());
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workspace()->updateFocusMousePosition(m_lastPosition.toPoint());
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}
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auto seat = waylandServer()->seat();
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if (!focusNow || !focusNow->surface() || decoration()) {
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// no new surface or internal window or on decoration -> cleanup
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seat->setFocusedTouchSurface(nullptr);
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return;
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}
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// TODO: invalidate pointer focus?
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// FIXME: add input transformation API to KWaylandServer::SeatInterface for touch input
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seat->setFocusedTouchSurface(focusNow->surface(), -1 * focusNow->inputTransformation().map(focusNow->pos()) + focusNow->pos());
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m_focusGeometryConnection = connect(focusNow, &Toplevel::frameGeometryChanged, this,
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[this] {
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if (!focus()) {
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return;
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}
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auto seat = waylandServer()->seat();
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if (focus()->surface() != seat->focusedTouchSurface()) {
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return;
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}
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seat->setFocusedTouchSurfacePosition(-1 * focus()->inputTransformation().map(focus()->pos()) + focus()->pos());
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}
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);
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}
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void TouchInputRedirection::cleanupInternalWindow(QWindow *old, QWindow *now)
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{
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Q_UNUSED(old);
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Q_UNUSED(now);
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// nothing to do
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}
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void TouchInputRedirection::cleanupDecoration(Decoration::DecoratedClientImpl *old, Decoration::DecoratedClientImpl *now)
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{
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Q_UNUSED(old);
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Q_UNUSED(now);
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// nothing to do
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}
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void TouchInputRedirection::insertId(qint32 internalId, qint32 kwaylandId)
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{
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m_idMapper.insert(internalId, kwaylandId);
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}
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qint32 TouchInputRedirection::mappedId(qint32 internalId)
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{
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auto it = m_idMapper.constFind(internalId);
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if (it != m_idMapper.constEnd()) {
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return it.value();
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}
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return -1;
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}
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void TouchInputRedirection::removeId(qint32 internalId)
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{
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m_idMapper.remove(internalId);
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}
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void TouchInputRedirection::processDown(qint32 id, const QPointF &pos, quint32 time, LibInput::Device *device)
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{
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Q_UNUSED(device)
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if (!inited()) {
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return;
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}
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m_lastPosition = pos;
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m_windowUpdatedInCycle = false;
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m_touches++;
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if (m_touches == 1) {
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update();
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}
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input()->processSpies(std::bind(&InputEventSpy::touchDown, std::placeholders::_1, id, pos, time));
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input()->processFilters(std::bind(&InputEventFilter::touchDown, std::placeholders::_1, id, pos, time));
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m_windowUpdatedInCycle = false;
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}
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void TouchInputRedirection::processUp(qint32 id, quint32 time, LibInput::Device *device)
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{
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Q_UNUSED(device)
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if (!inited()) {
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return;
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}
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m_windowUpdatedInCycle = false;
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input()->processSpies(std::bind(&InputEventSpy::touchUp, std::placeholders::_1, id, time));
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input()->processFilters(std::bind(&InputEventFilter::touchUp, std::placeholders::_1, id, time));
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m_windowUpdatedInCycle = false;
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m_touches--;
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if (m_touches == 0) {
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update();
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}
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}
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void TouchInputRedirection::processMotion(qint32 id, const QPointF &pos, quint32 time, LibInput::Device *device)
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{
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Q_UNUSED(device)
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if (!inited()) {
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return;
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}
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m_lastPosition = pos;
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m_windowUpdatedInCycle = false;
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input()->processSpies(std::bind(&InputEventSpy::touchMotion, std::placeholders::_1, id, pos, time));
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input()->processFilters(std::bind(&InputEventFilter::touchMotion, std::placeholders::_1, id, pos, time));
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m_windowUpdatedInCycle = false;
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}
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void TouchInputRedirection::processCancel()
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{
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m_touches--;
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cancel();
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}
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void TouchInputRedirection::cancel()
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{
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if (!inited()) {
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return;
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}
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waylandServer()->seat()->cancelTouchSequence();
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m_idMapper.clear();
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}
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void TouchInputRedirection::frame()
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{
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if (!inited()) {
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return;
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}
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waylandServer()->seat()->touchFrame();
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}
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}
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