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RedBear-OS/local/recipes/kde/kwin/source/src/backends/libinput/device.cpp
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/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "device.h"
#include "config-kwin.h"
#include "core/output.h"
#include "core/outputbackend.h"
#include "libinput_logging.h"
#include "main.h"
#include "mousebuttons.h"
#include "pointer_input.h"
#include <QCryptographicHash>
#include <QDBusArgument>
#include <QDBusConnection>
#include <QDBusMetaType>
#include <linux/input.h>
namespace KWin
{
namespace LibInput
{
static const QRectF s_identityRect = QRectF(0, 0, 1, 1);
TabletTool::TabletTool(libinput_tablet_tool *handle)
: m_handle(libinput_tablet_tool_ref(handle))
{
}
TabletTool::~TabletTool()
{
libinput_tablet_tool_unref(m_handle);
}
libinput_tablet_tool *TabletTool::handle() const
{
return m_handle;
}
quint64 TabletTool::serialId() const
{
return libinput_tablet_tool_get_serial(m_handle);
}
quint64 TabletTool::uniqueId() const
{
return libinput_tablet_tool_get_tool_id(m_handle);
}
TabletTool::Type TabletTool::type() const
{
switch (libinput_tablet_tool_get_type(m_handle)) {
case LIBINPUT_TABLET_TOOL_TYPE_PEN:
return Type::Pen;
case LIBINPUT_TABLET_TOOL_TYPE_ERASER:
return Type::Eraser;
case LIBINPUT_TABLET_TOOL_TYPE_BRUSH:
return Type::Brush;
case LIBINPUT_TABLET_TOOL_TYPE_PENCIL:
return Type::Pencil;
case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH:
return Type::Airbrush;
case LIBINPUT_TABLET_TOOL_TYPE_MOUSE:
return Type::Mouse;
case LIBINPUT_TABLET_TOOL_TYPE_LENS:
return Type::Lens;
case LIBINPUT_TABLET_TOOL_TYPE_TOTEM:
return Type::Totem;
default:
return Type();
}
}
QList<TabletTool::Capability> TabletTool::capabilities() const
{
QList<Capability> capabilities;
if (libinput_tablet_tool_has_pressure(m_handle)) {
capabilities << Capability::Pressure;
}
if (libinput_tablet_tool_has_distance(m_handle)) {
capabilities << Capability::Distance;
}
if (libinput_tablet_tool_has_rotation(m_handle)) {
capabilities << Capability::Rotation;
}
if (libinput_tablet_tool_has_tilt(m_handle)) {
capabilities << Capability::Tilt;
}
if (libinput_tablet_tool_has_slider(m_handle)) {
capabilities << Capability::Slider;
}
if (libinput_tablet_tool_has_wheel(m_handle)) {
capabilities << Capability::Wheel;
}
return capabilities;
}
static bool checkAlphaNumericKeyboard(libinput_device *device)
{
for (uint i = KEY_1; i <= KEY_0; i++) {
if (libinput_device_keyboard_has_key(device, i) == 0) {
return false;
}
}
for (uint i = KEY_Q; i <= KEY_P; i++) {
if (libinput_device_keyboard_has_key(device, i) == 0) {
return false;
}
}
for (uint i = KEY_A; i <= KEY_L; i++) {
if (libinput_device_keyboard_has_key(device, i) == 0) {
return false;
}
}
for (uint i = KEY_Z; i <= KEY_M; i++) {
if (libinput_device_keyboard_has_key(device, i) == 0) {
return false;
}
}
return true;
}
enum class ConfigKey {
Enabled,
DisableEventsOnExternalMouse,
LeftHanded,
DisableWhileTyping,
PointerAcceleration,
PointerAccelerationProfile,
TapToClick,
LmrTapButtonMap,
TapAndDrag,
TapDragLock,
MiddleButtonEmulation,
NaturalScroll,
ScrollMethod,
ScrollButton,
ClickMethod,
ScrollFactor,
Orientation,
Calibration,
OutputName,
OutputArea,
MapToWorkspace,
TabletToolPressureCurve,
TabletToolPressureRangeMin,
TabletToolPressureRangeMax,
InputArea,
};
struct ConfigDataBase
{
ConfigDataBase(const QByteArray &_key)
: key(_key)
{
}
virtual ~ConfigDataBase() = default;
QByteArray key;
virtual void read(Device * /*device*/, const KConfigGroup & /*values*/) const = 0;
};
template<typename T>
struct ConfigData : public ConfigDataBase
{
using SetterFunction = std::function<void(Device *, const T &)>;
using DefaultValueFunction = std::function<T(Device *)>;
explicit ConfigData(const QByteArray &_key, const SetterFunction &_setter, const DefaultValueFunction &_defaultValue)
: ConfigDataBase(_key)
, setterFunction(_setter)
, defaultValueFunction(_defaultValue)
{
}
void read(Device *device, const KConfigGroup &values) const override
{
if (!setterFunction || !defaultValueFunction) {
return;
}
setterFunction(device, values.readEntry(key.constData(), defaultValueFunction(device)));
}
SetterFunction setterFunction;
DefaultValueFunction defaultValueFunction;
};
// Template specializations for some specific config types that can't be handled
// through plain readEntry.
//
// This uses tagged types to avoid specialising the general type since we
// directly call the getters/setters.
using DeviceOrientation = Qt::ScreenOrientation;
template<>
struct ConfigData<DeviceOrientation> : public ConfigDataBase
{
explicit ConfigData()
: ConfigDataBase(QByteArrayLiteral("Orientation"))
{
}
void read(Device *device, const KConfigGroup &values) const override
{
int defaultValue = device->defaultOrientation();
device->setOrientation(static_cast<Qt::ScreenOrientation>(values.readEntry(key.constData(), defaultValue)));
}
};
using CalibrationMatrix = QMatrix4x4;
template<>
struct ConfigData<CalibrationMatrix> : public ConfigDataBase
{
explicit ConfigData()
: ConfigDataBase(QByteArrayLiteral("CalibrationMatrix"))
{
}
void read(Device *device, const KConfigGroup &values) const override
{
device->setCalibrationMatrix(values.readEntry(key.constData(), device->defaultCalibrationMatrix()));
}
};
static const QMap<ConfigKey, std::shared_ptr<ConfigDataBase>> s_configData{
{ConfigKey::Enabled, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("Enabled"), &Device::setEnabled, &Device::isEnabledByDefault)},
{ConfigKey::DisableEventsOnExternalMouse, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("DisableEventsOnExternalMouse"), &Device::setDisableEventsOnExternalMouse, &Device::disableEventsOnExternalMouseEnabledByDefault)},
{ConfigKey::LeftHanded, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("LeftHanded"), &Device::setLeftHanded, &Device::leftHandedEnabledByDefault)},
{ConfigKey::DisableWhileTyping, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("DisableWhileTyping"), &Device::setDisableWhileTyping, &Device::disableWhileTypingEnabledByDefault)},
{ConfigKey::PointerAcceleration, std::make_shared<ConfigData<QString>>(QByteArrayLiteral("PointerAcceleration"), &Device::setPointerAccelerationFromString, &Device::defaultPointerAccelerationToString)},
{ConfigKey::PointerAccelerationProfile, std::make_shared<ConfigData<quint32>>(QByteArrayLiteral("PointerAccelerationProfile"), &Device::setPointerAccelerationProfileFromInt, &Device::defaultPointerAccelerationProfileToInt)},
{ConfigKey::TapToClick, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("TapToClick"), &Device::setTapToClick, &Device::tapToClickEnabledByDefault)},
{ConfigKey::TapAndDrag, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("TapAndDrag"), &Device::setTapAndDrag, &Device::tapAndDragEnabledByDefault)},
{ConfigKey::TapDragLock, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("TapDragLock"), &Device::setTapDragLock, &Device::tapDragLockEnabledByDefault)},
{ConfigKey::MiddleButtonEmulation, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("MiddleButtonEmulation"), &Device::setMiddleEmulation, &Device::middleEmulationEnabledByDefault)},
{ConfigKey::LmrTapButtonMap, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("LmrTapButtonMap"), &Device::setLmrTapButtonMap, &Device::lmrTapButtonMapEnabledByDefault)},
{ConfigKey::NaturalScroll, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("NaturalScroll"), &Device::setNaturalScroll, &Device::naturalScrollEnabledByDefault)},
{ConfigKey::ScrollMethod, std::make_shared<ConfigData<quint32>>(QByteArrayLiteral("ScrollMethod"), &Device::activateScrollMethodFromInt, &Device::defaultScrollMethodToInt)},
{ConfigKey::ScrollButton, std::make_shared<ConfigData<quint32>>(QByteArrayLiteral("ScrollButton"), &Device::setScrollButton, &Device::defaultScrollButton)},
{ConfigKey::ClickMethod, std::make_shared<ConfigData<quint32>>(QByteArrayLiteral("ClickMethod"), &Device::setClickMethodFromInt, &Device::defaultClickMethodToInt)},
{ConfigKey::ScrollFactor, std::make_shared<ConfigData<qreal>>(QByteArrayLiteral("ScrollFactor"), &Device::setScrollFactor, &Device::scrollFactorDefault)},
{ConfigKey::Orientation, std::make_shared<ConfigData<DeviceOrientation>>()},
{ConfigKey::Calibration, std::make_shared<ConfigData<CalibrationMatrix>>()},
{ConfigKey::TabletToolPressureCurve, std::make_shared<ConfigData<QString>>(QByteArrayLiteral("TabletToolPressureCurve"), &Device::setPressureCurve, &Device::defaultPressureCurve)},
{ConfigKey::OutputName, std::make_shared<ConfigData<QString>>(QByteArrayLiteral("OutputName"), &Device::setOutputName, &Device::defaultOutputName)},
{ConfigKey::OutputArea, std::make_shared<ConfigData<QRectF>>(QByteArrayLiteral("OutputArea"), &Device::setOutputArea, &Device::defaultOutputArea)},
{ConfigKey::MapToWorkspace, std::make_shared<ConfigData<bool>>(QByteArrayLiteral("MapToWorkspace"), &Device::setMapToWorkspace, &Device::defaultMapToWorkspace)},
{ConfigKey::TabletToolPressureRangeMin, std::make_shared<ConfigData<double>>(QByteArrayLiteral("TabletToolPressureRangeMin"), &Device::setPressureRangeMin, &Device::defaultPressureRangeMin)},
{ConfigKey::TabletToolPressureRangeMax, std::make_shared<ConfigData<double>>(QByteArrayLiteral("TabletToolPressureRangeMax"), &Device::setPressureRangeMax, &Device::defaultPressureRangeMax)},
{ConfigKey::InputArea, std::make_shared<ConfigData<QRectF>>(QByteArrayLiteral("InputArea"), &Device::setInputArea, &Device::defaultInputArea)},
};
namespace
{
QMatrix4x4 getMatrix(libinput_device *device, std::function<int(libinput_device *, float[6])> getter)
{
float matrix[6];
if (!getter(device, matrix)) {
return {};
}
return QMatrix4x4{
matrix[0], matrix[1], matrix[2], 0.0f,
matrix[3], matrix[4], matrix[5], 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f};
}
bool setOrientedCalibrationMatrix(libinput_device *device, QMatrix4x4 matrix, Qt::ScreenOrientation orientation)
{
// 90 deg cw
static const QMatrix4x4 portraitMatrix{
0.0f, -1.0f, 1.0f, 0.0f,
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f};
// 180 deg cw
static const QMatrix4x4 invertedLandscapeMatrix{
-1.0f, 0.0f, 1.0f, 0.0f,
0.0f, -1.0f, 1.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f};
// 270 deg cw
static const QMatrix4x4 invertedPortraitMatrix{
0.0f, 1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f};
switch (orientation) {
case Qt::PortraitOrientation:
matrix *= portraitMatrix;
break;
case Qt::InvertedLandscapeOrientation:
matrix *= invertedLandscapeMatrix;
break;
case Qt::InvertedPortraitOrientation:
matrix *= invertedPortraitMatrix;
break;
case Qt::PrimaryOrientation:
case Qt::LandscapeOrientation:
default:
break;
}
float data[6]{matrix(0, 0), matrix(0, 1), matrix(0, 2), matrix(1, 0), matrix(1, 1), matrix(1, 2)};
return libinput_device_config_calibration_set_matrix(device, data) == LIBINPUT_CONFIG_STATUS_SUCCESS;
}
}
Device::Device(libinput_device *device, QObject *parent)
: InputDevice(parent)
, m_device(device)
, m_keyboard(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_KEYBOARD))
, m_pointer(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_POINTER))
, m_touch(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TOUCH))
, m_tabletTool(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TABLET_TOOL))
, m_tabletPad(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TABLET_PAD))
, m_supportsGesture(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_GESTURE))
, m_switch(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_SWITCH))
, m_lidSwitch(m_switch ? libinput_device_switch_has_switch(m_device, LIBINPUT_SWITCH_LID) : false)
, m_tabletSwitch(m_switch ? libinput_device_switch_has_switch(m_device, LIBINPUT_SWITCH_TABLET_MODE) : false)
, m_touchpad(m_pointer && udev_device_get_property_value(libinput_device_get_udev_device(m_device), "ID_INPUT_TOUCHPAD"))
, m_name(QString::fromLocal8Bit(libinput_device_get_name(m_device)))
, m_sysName(QString::fromLocal8Bit(libinput_device_get_sysname(m_device)))
, m_sysPath(QString::fromLocal8Bit(udev_device_get_syspath(libinput_device_get_udev_device(m_device))))
, m_outputName(QString::fromLocal8Bit(libinput_device_get_output_name(m_device)))
, m_product(libinput_device_get_id_product(m_device))
, m_vendor(libinput_device_get_id_vendor(m_device))
, m_tapFingerCount(libinput_device_config_tap_get_finger_count(m_device))
, m_defaultTapButtonMap(libinput_device_config_tap_get_default_button_map(m_device))
, m_tapButtonMap(libinput_device_config_tap_get_button_map(m_device))
, m_tapToClickEnabledByDefault(true)
, m_tapToClick(libinput_device_config_tap_get_enabled(m_device))
, m_tapAndDragEnabledByDefault(true)
, m_tapAndDrag(libinput_device_config_tap_get_drag_enabled(m_device))
, m_tapDragLockEnabledByDefault(libinput_device_config_tap_get_default_drag_lock_enabled(m_device))
, m_tapDragLock(libinput_device_config_tap_get_drag_lock_enabled(m_device))
, m_supportsDisableWhileTyping(libinput_device_config_dwt_is_available(m_device))
, m_supportsPointerAcceleration(libinput_device_config_accel_is_available(m_device))
, m_supportsLeftHanded(libinput_device_config_left_handed_is_available(m_device))
, m_supportsCalibrationMatrix(libinput_device_config_calibration_has_matrix(m_device))
, m_supportsDisableEvents(libinput_device_config_send_events_get_modes(m_device) & LIBINPUT_CONFIG_SEND_EVENTS_DISABLED)
, m_supportsDisableEventsOnExternalMouse(libinput_device_config_send_events_get_modes(m_device) & LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE)
, m_supportsMiddleEmulation(libinput_device_config_middle_emulation_is_available(m_device))
, m_supportsNaturalScroll(libinput_device_config_scroll_has_natural_scroll(m_device))
, m_supportedScrollMethods(libinput_device_config_scroll_get_methods(m_device))
, m_leftHandedEnabledByDefault(libinput_device_config_left_handed_get_default(m_device))
, m_middleEmulationEnabledByDefault(libinput_device_config_middle_emulation_get_default_enabled(m_device) == LIBINPUT_CONFIG_MIDDLE_EMULATION_ENABLED)
, m_naturalScrollEnabledByDefault(libinput_device_config_scroll_get_default_natural_scroll_enabled(m_device))
, m_defaultScrollMethod(libinput_device_config_scroll_get_default_method(m_device))
, m_defaultScrollButton(libinput_device_config_scroll_get_default_button(m_device))
, m_disableWhileTypingEnabledByDefault(libinput_device_config_dwt_get_default_enabled(m_device))
, m_disableWhileTyping(m_supportsDisableWhileTyping ? libinput_device_config_dwt_get_enabled(m_device) == LIBINPUT_CONFIG_DWT_ENABLED : false)
, m_middleEmulation(libinput_device_config_middle_emulation_get_enabled(m_device) == LIBINPUT_CONFIG_MIDDLE_EMULATION_ENABLED)
, m_leftHanded(m_supportsLeftHanded ? libinput_device_config_left_handed_get(m_device) : false)
, m_naturalScroll(m_supportsNaturalScroll ? libinput_device_config_scroll_get_natural_scroll_enabled(m_device) : false)
, m_scrollMethod(libinput_device_config_scroll_get_method(m_device))
, m_scrollButton(libinput_device_config_scroll_get_button(m_device))
, m_defaultPointerAcceleration(libinput_device_config_accel_get_default_speed(m_device))
, m_pointerAcceleration(libinput_device_config_accel_get_speed(m_device))
, m_scrollFactor(1.0)
, m_supportedPointerAccelerationProfiles(libinput_device_config_accel_get_profiles(m_device))
, m_defaultPointerAccelerationProfile(libinput_device_config_accel_get_default_profile(m_device))
, m_pointerAccelerationProfile(libinput_device_config_accel_get_profile(m_device))
, m_enabled(m_supportsDisableEvents ? (libinput_device_config_send_events_get_mode(m_device) & LIBINPUT_CONFIG_SEND_EVENTS_DISABLED) == 0 : true)
, m_disableEventsOnExternalMouseEnabledByDefault(m_supportsDisableEventsOnExternalMouse && (libinput_device_config_send_events_get_default_mode(m_device) & LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE))
, m_disableEventsOnExternalMouse(m_supportsDisableEventsOnExternalMouse && (libinput_device_config_send_events_get_mode(m_device) & LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE))
, m_config()
, m_defaultCalibrationMatrix(getMatrix(m_device, &libinput_device_config_calibration_get_default_matrix))
, m_calibrationMatrix(getMatrix(m_device, &libinput_device_config_calibration_get_matrix))
, m_pressureCurve(deserializePressureCurve(defaultPressureCurve()))
, m_supportedClickMethods(libinput_device_config_click_get_methods(m_device))
, m_defaultClickMethod(libinput_device_config_click_get_default_method(m_device))
, m_clickMethod(libinput_device_config_click_get_method(m_device))
, m_outputArea(s_identityRect)
, m_supportsPressureRange(false)
, m_pressureRangeMin(0.0)
, m_pressureRangeMax(1.0)
, m_defaultPressureRangeMin(0.0)
, m_defaultPressureRangeMax(1.0)
, m_inputArea(s_identityRect)
{
libinput_device_ref(m_device);
libinput_device_set_user_data(m_device, this);
qreal width = 0;
qreal height = 0;
if (libinput_device_get_size(m_device, &width, &height) == 0) {
m_size = QSizeF(width, height);
}
if (m_pointer) {
// 0x120 is the first joystick Button
for (int button = BTN_LEFT; button < 0x120; ++button) {
if (libinput_device_pointer_has_button(m_device, button)) {
m_supportedButtons |= buttonToQtMouseButton(button);
}
}
}
if (m_keyboard) {
m_alphaNumericKeyboard = checkAlphaNumericKeyboard(m_device);
}
if (m_supportsCalibrationMatrix && m_calibrationMatrix != m_defaultCalibrationMatrix) {
float matrix[]{m_defaultCalibrationMatrix(0, 0),
m_defaultCalibrationMatrix(0, 1),
m_defaultCalibrationMatrix(0, 2),
m_defaultCalibrationMatrix(1, 0),
m_defaultCalibrationMatrix(1, 1),
m_defaultCalibrationMatrix(1, 2)};
libinput_device_config_calibration_set_matrix(m_device, matrix);
m_calibrationMatrix = m_defaultCalibrationMatrix;
}
if (supportsInputArea() && m_inputArea != defaultInputArea()) {
#if HAVE_LIBINPUT_INPUT_AREA
const libinput_config_area_rectangle rect{
.x1 = m_inputArea.topLeft().x(),
.y1 = m_inputArea.topLeft().y(),
.x2 = m_inputArea.bottomRight().x(),
.y2 = m_inputArea.bottomRight().y(),
};
libinput_device_config_area_set_rectangle(m_device, &rect);
#endif
}
libinput_device_group *group = libinput_device_get_device_group(device);
m_deviceGroupId = QCryptographicHash::hash(QString::asprintf("%p", group).toLatin1(), QCryptographicHash::Sha1).toBase64();
QDBusConnection::sessionBus().registerObject(QStringLiteral("/org/kde/KWin/InputDevice/") + m_sysName,
QStringLiteral("org.kde.KWin.InputDevice"),
this,
QDBusConnection::ExportAllProperties);
}
Device::~Device()
{
QDBusConnection::sessionBus().unregisterObject(QStringLiteral("/org/kde/KWin/InputDevice/") + m_sysName);
libinput_device_set_user_data(m_device, nullptr);
libinput_device_unref(m_device);
}
Device *Device::get(libinput_device *native)
{
return static_cast<Device *>(libinput_device_get_user_data(native));
}
template<typename T>
void Device::writeEntry(const ConfigKey &key, const T &value)
{
if (!m_config.isValid()) {
return;
}
if (m_loading) {
return;
}
auto it = s_configData.find(key);
Q_ASSERT(it != s_configData.end());
m_config.writeEntry(it.value()->key.constData(), value);
m_config.sync();
}
void Device::loadConfiguration()
{
if (!m_config.isValid() && !m_defaultConfig.isValid()) {
return;
}
m_loading = true;
for (auto it = s_configData.begin(), end = s_configData.end(); it != end; ++it) {
(*it)->read(this, m_config);
};
m_loading = false;
}
void Device::setPointerAcceleration(qreal acceleration)
{
if (!m_supportsPointerAcceleration) {
return;
}
acceleration = std::clamp(acceleration, -1.0, 1.0);
if (libinput_device_config_accel_set_speed(m_device, acceleration) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_pointerAcceleration != acceleration) {
m_pointerAcceleration = acceleration;
Q_EMIT pointerAccelerationChanged();
writeEntry(ConfigKey::PointerAcceleration, QString::number(acceleration, 'f', 3));
}
}
}
void Device::setScrollButton(quint32 button)
{
if (!(m_supportedScrollMethods & LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN)) {
return;
}
if (libinput_device_config_scroll_set_button(m_device, button) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_scrollButton != button) {
m_scrollButton = button;
writeEntry(ConfigKey::ScrollButton, m_scrollButton);
Q_EMIT scrollButtonChanged();
}
}
}
void Device::setPointerAccelerationProfile(bool set, enum libinput_config_accel_profile profile)
{
if (!(m_supportedPointerAccelerationProfiles & profile)) {
return;
}
if (!set) {
profile = (profile == LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT) ? LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE : LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT;
if (!(m_supportedPointerAccelerationProfiles & profile)) {
return;
}
}
if (libinput_device_config_accel_set_profile(m_device, profile) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_pointerAccelerationProfile != profile) {
m_pointerAccelerationProfile = profile;
Q_EMIT pointerAccelerationProfileChanged();
writeEntry(ConfigKey::PointerAccelerationProfile, (quint32)profile);
}
}
}
void Device::setClickMethod(bool set, enum libinput_config_click_method method)
{
if (!(m_supportedClickMethods & method)) {
return;
}
if (!set) {
method = (method == LIBINPUT_CONFIG_CLICK_METHOD_BUTTON_AREAS) ? LIBINPUT_CONFIG_CLICK_METHOD_CLICKFINGER : LIBINPUT_CONFIG_CLICK_METHOD_BUTTON_AREAS;
if (!(m_supportedClickMethods & method)) {
return;
}
}
if (libinput_device_config_click_set_method(m_device, method) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_clickMethod != method) {
m_clickMethod = method;
Q_EMIT clickMethodChanged();
writeEntry(ConfigKey::ClickMethod, (quint32)method);
}
}
}
void Device::setScrollMethod(bool set, enum libinput_config_scroll_method method)
{
if (!(m_supportedScrollMethods & method)) {
return;
}
bool isCurrent = m_scrollMethod == method;
if (!set) {
if (isCurrent) {
method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
isCurrent = false;
} else {
return;
}
}
if (libinput_device_config_scroll_set_method(m_device, method) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (!isCurrent) {
m_scrollMethod = method;
Q_EMIT scrollMethodChanged();
writeEntry(ConfigKey::ScrollMethod, (quint32)method);
}
}
}
void Device::setLmrTapButtonMap(bool set)
{
enum libinput_config_tap_button_map map = set ? LIBINPUT_CONFIG_TAP_MAP_LMR : LIBINPUT_CONFIG_TAP_MAP_LRM;
if (m_tapFingerCount < 2) {
return;
}
if (!set) {
map = LIBINPUT_CONFIG_TAP_MAP_LRM;
}
if (libinput_device_config_tap_set_button_map(m_device, map) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_tapButtonMap != map) {
m_tapButtonMap = map;
writeEntry(ConfigKey::LmrTapButtonMap, set);
Q_EMIT tapButtonMapChanged();
}
}
}
void *Device::group() const
{
return libinput_device_get_device_group(m_device);
}
int Device::tabletPadButtonCount() const
{
return libinput_device_tablet_pad_get_num_buttons(m_device);
}
int Device::tabletPadRingCount() const
{
return libinput_device_tablet_pad_get_num_rings(m_device);
}
int Device::tabletPadStripCount() const
{
return libinput_device_tablet_pad_get_num_strips(m_device);
}
int Device::tabletPadModeCount() const
{
return libinput_device_tablet_pad_get_num_mode_groups(m_device);
}
int Device::tabletPadMode() const
{
return libinput_tablet_pad_mode_group_get_mode(libinput_device_tablet_pad_get_mode_group(m_device, 0));
}
#define CONFIG(method, condition, function, variable, key) \
void Device::method(bool set) \
{ \
if (condition) { \
return; \
} \
if (libinput_device_config_##function(m_device, set) == LIBINPUT_CONFIG_STATUS_SUCCESS) { \
if (m_##variable != set) { \
m_##variable = set; \
writeEntry(ConfigKey::key, m_##variable); \
Q_EMIT variable##Changed(); \
} \
} \
}
CONFIG(setLeftHanded, !m_supportsLeftHanded, left_handed_set, leftHanded, LeftHanded)
CONFIG(setNaturalScroll, !m_supportsNaturalScroll, scroll_set_natural_scroll_enabled, naturalScroll, NaturalScroll)
#undef CONFIG
#define CONFIG(method, condition, function, enum, variable, key) \
void Device::method(bool set) \
{ \
if (condition) { \
return; \
} \
if (libinput_device_config_##function(m_device, set ? LIBINPUT_CONFIG_##enum##_ENABLED : LIBINPUT_CONFIG_##enum##_DISABLED) == LIBINPUT_CONFIG_STATUS_SUCCESS) { \
if (m_##variable != set) { \
m_##variable = set; \
writeEntry(ConfigKey::key, m_##variable); \
Q_EMIT variable##Changed(); \
} \
} \
}
CONFIG(setDisableWhileTyping, !m_supportsDisableWhileTyping, dwt_set_enabled, DWT, disableWhileTyping, DisableWhileTyping)
CONFIG(setTapToClick, m_tapFingerCount == 0, tap_set_enabled, TAP, tapToClick, TapToClick)
CONFIG(setTapAndDrag, false, tap_set_drag_enabled, DRAG, tapAndDrag, TapAndDrag)
CONFIG(setTapDragLock, false, tap_set_drag_lock_enabled, DRAG_LOCK, tapDragLock, TapDragLock)
CONFIG(setMiddleEmulation, m_supportsMiddleEmulation == false, middle_emulation_set_enabled, MIDDLE_EMULATION, middleEmulation, MiddleButtonEmulation)
#undef CONFIG
void Device::setEnabled(bool set)
{
if (!m_supportsDisableEvents) {
return;
}
const auto enabledMode = (m_supportsDisableEventsOnExternalMouse && m_disableEventsOnExternalMouse) ? LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE : LIBINPUT_CONFIG_SEND_EVENTS_ENABLED;
const auto mode = set ? enabledMode : LIBINPUT_CONFIG_SEND_EVENTS_DISABLED;
if (libinput_device_config_send_events_set_mode(m_device, mode) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_enabled != set) {
m_enabled = set;
writeEntry(ConfigKey::Enabled, m_enabled);
Q_EMIT enabledChanged();
}
}
}
void Device::setDisableEventsOnExternalMouse(bool set)
{
if (!m_supportsDisableEventsOnExternalMouse) {
return;
}
const auto enabledMode = set ? LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE : LIBINPUT_CONFIG_SEND_EVENTS_ENABLED;
if (!m_enabled || libinput_device_config_send_events_set_mode(m_device, enabledMode) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_disableEventsOnExternalMouse != set) {
m_disableEventsOnExternalMouse = set;
writeEntry(ConfigKey::DisableEventsOnExternalMouse, m_disableEventsOnExternalMouse);
Q_EMIT disableEventsOnExternalMouseChanged();
}
}
}
void Device::setScrollFactor(qreal factor)
{
if (m_scrollFactor != factor) {
m_scrollFactor = factor;
writeEntry(ConfigKey::ScrollFactor, m_scrollFactor);
Q_EMIT scrollFactorChanged();
}
}
void Device::setCalibrationMatrix(const QString &value)
{
const auto matrix = deserializeMatrix(value);
if (!m_supportsCalibrationMatrix || m_calibrationMatrix == matrix) {
return;
}
if (setOrientedCalibrationMatrix(m_device, matrix, m_orientation)) {
QList<float> list;
list.reserve(16);
for (uchar row = 0; row < 4; ++row) {
for (uchar col = 0; col < 4; ++col) {
list << matrix(row, col);
}
}
writeEntry(ConfigKey::Calibration, list);
m_calibrationMatrix = matrix;
Q_EMIT calibrationMatrixChanged();
}
}
QString Device::defaultPressureCurve() const
{
QEasingCurve curve(QEasingCurve::Type::BezierSpline);
curve.addCubicBezierSegment(QPointF{0.0f, 0.0f}, QPointF{1.0f, 1.0f}, QPointF{1.0f, 1.0f});
return serializePressureCurve(curve);
}
QEasingCurve Device::pressureCurve() const
{
return m_pressureCurve;
}
QString Device::serializedPressureCurve() const
{
return serializePressureCurve(m_pressureCurve);
}
void Device::setPressureCurve(const QString &curve)
{
const auto easingCurve = deserializePressureCurve(curve);
if (m_pressureCurve != easingCurve) {
writeEntry(ConfigKey::TabletToolPressureCurve, curve);
m_pressureCurve = easingCurve;
Q_EMIT pressureCurveChanged();
}
}
QString Device::serializePressureCurve(const QEasingCurve &curve)
{
// We only care about the first two points. toCubicSpline adds the end point as the third, but to us that's always (1,1).
const auto points = curve.toCubicSpline().first(2);
QString serializedString;
for (const QPointF &pair : points) {
serializedString += QString::number(pair.x());
serializedString += ',';
serializedString += QString::number(pair.y());
serializedString += ';';
}
return serializedString;
}
QEasingCurve Device::deserializePressureCurve(const QString &curve)
{
const QStringList data = curve.split(';');
QList<QPointF> points;
for (const QString &pair : data) {
if (pair.indexOf(',') > -1) {
points.append({pair.section(',', 0, 0).toDouble(),
pair.section(',', 1, 1).toDouble()});
}
}
auto easingCurve = QEasingCurve(QEasingCurve::Type::BezierSpline);
// We only support 2 points
if (points.size() >= 2) {
easingCurve.addCubicBezierSegment(points.at(0), points.at(1), QPointF{1.0f, 1.0f});
}
return easingCurve;
}
void Device::setOrientation(Qt::ScreenOrientation orientation)
{
if (!m_supportsCalibrationMatrix || m_orientation == orientation) {
return;
}
if (setOrientedCalibrationMatrix(m_device, m_calibrationMatrix, orientation)) {
writeEntry(ConfigKey::Orientation, static_cast<int>(orientation));
m_orientation = orientation;
Q_EMIT orientationChanged();
}
}
void Device::setOutputName(const QString &name)
{
#ifndef KWIN_BUILD_TESTING
if (name == m_outputName) {
return;
}
setOutput(nullptr);
auto outputs = kwinApp()->outputBackend()->outputs();
for (int i = 0; i < outputs.count(); ++i) {
if (!outputs[i]->isEnabled()) {
continue;
}
if (outputs[i]->name() == name) {
setOutput(outputs[i]);
break;
}
}
m_outputName = name;
writeEntry(ConfigKey::OutputName, name);
Q_EMIT outputNameChanged();
#endif
}
Output *Device::output() const
{
return m_output;
}
void Device::setOutput(Output *output)
{
m_output = output;
}
static libinput_led toLibinputLEDS(LEDs leds)
{
quint32 libinputLeds = 0;
if (leds.testFlag(LED::NumLock)) {
libinputLeds = libinputLeds | LIBINPUT_LED_NUM_LOCK;
}
if (leds.testFlag(LED::CapsLock)) {
libinputLeds = libinputLeds | LIBINPUT_LED_CAPS_LOCK;
}
if (leds.testFlag(LED::ScrollLock)) {
libinputLeds = libinputLeds | LIBINPUT_LED_SCROLL_LOCK;
}
if (leds.testFlag(LED::Compose)) {
libinputLeds = libinputLeds | LIBINPUT_LED_COMPOSE;
}
if (leds.testFlag(LED::Kana)) {
libinputLeds = libinputLeds | LIBINPUT_LED_KANA;
}
return libinput_led(libinputLeds);
}
LEDs Device::leds() const
{
return m_leds;
}
void Device::setLeds(LEDs leds)
{
if (m_leds != leds) {
m_leds = leds;
libinput_device_led_update(m_device, toLibinputLEDS(m_leds));
}
}
bool Device::supportsOutputArea() const
{
return m_tabletTool;
}
QRectF Device::defaultOutputArea() const
{
return s_identityRect;
}
QRectF Device::outputArea() const
{
return m_outputArea;
}
void Device::setOutputArea(const QRectF &outputArea)
{
if (m_outputArea != outputArea) {
m_outputArea = outputArea;
writeEntry(ConfigKey::OutputArea, m_outputArea);
Q_EMIT outputAreaChanged();
}
}
void Device::setMapToWorkspace(bool mapToWorkspace)
{
if (m_mapToWorkspace != mapToWorkspace) {
m_mapToWorkspace = mapToWorkspace;
writeEntry(ConfigKey::MapToWorkspace, m_mapToWorkspace);
Q_EMIT mapToWorkspaceChanged();
}
}
bool Device::supportsPressureRange() const
{
return m_supportsPressureRange;
}
void Device::setSupportsPressureRange(const bool supported)
{
if (m_supportsPressureRange != supported) {
m_supportsPressureRange = supported;
Q_EMIT supportsPressureRangeChanged();
}
}
double Device::pressureRangeMin() const
{
return m_pressureRangeMin;
}
void Device::setPressureRangeMin(const double value)
{
if (m_pressureRangeMin != value) {
m_pressureRangeMin = value;
writeEntry(ConfigKey::TabletToolPressureRangeMin, m_pressureRangeMin);
Q_EMIT pressureRangeMinChanged();
}
}
double Device::pressureRangeMax() const
{
return m_pressureRangeMax;
}
void Device::setPressureRangeMax(const double value)
{
if (m_pressureRangeMax != value) {
m_pressureRangeMax = value;
writeEntry(ConfigKey::TabletToolPressureRangeMax, m_pressureRangeMax);
Q_EMIT pressureRangeMaxChanged();
}
}
double Device::defaultPressureRangeMin() const
{
return m_defaultPressureRangeMin;
}
double Device::defaultPressureRangeMax() const
{
return m_defaultPressureRangeMax;
}
bool Device::supportsInputArea() const
{
#if HAVE_LIBINPUT_INPUT_AREA
return true;
#else
return false;
#endif
}
QRectF Device::inputArea() const
{
return m_inputArea;
}
void Device::setInputArea(const QRectF &inputArea)
{
if (m_inputArea != inputArea) {
m_inputArea = inputArea;
#if HAVE_LIBINPUT_INPUT_AREA
const libinput_config_area_rectangle rect{
.x1 = m_inputArea.topLeft().x(),
.y1 = m_inputArea.topLeft().y(),
.x2 = m_inputArea.bottomRight().x(),
.y2 = m_inputArea.bottomRight().y(),
};
libinput_device_config_area_set_rectangle(m_device, &rect);
#endif
writeEntry(ConfigKey::InputArea, m_inputArea);
Q_EMIT inputAreaChanged();
}
}
QRectF Device::defaultInputArea() const
{
return s_identityRect;
}
QString Device::serializeMatrix(const QMatrix4x4 &matrix)
{
QString result;
for (int i = 0; i < 16; i++) {
result.append(QString::number(matrix.constData()[i]));
if (i != 15) {
result.append(QLatin1Char(','));
}
}
return result;
}
QMatrix4x4 Device::deserializeMatrix(const QString &matrix)
{
const auto items = QStringView(matrix).split(QLatin1Char(','));
if (items.size() == 16) {
QList<float> data;
data.reserve(16);
std::ranges::transform(std::as_const(items), std::back_inserter(data), [](const QStringView &item) {
return item.toFloat();
});
return QMatrix4x4{data.constData()};
}
return QMatrix4x4{};
}
}
}
#include "moc_device.cpp"