vitalif
/
kwin
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
kwin/libinput/device.cpp

377 lines
14 KiB
C++
Raw Blame History

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 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 "device.h"
#include <QDBusConnection>
#include <linux/input.h>
#include <config-kwin.h>
#include <functional>
namespace KWin
{
namespace LibInput
{
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;
}
QVector<Device*> Device::s_devices;
Device *Device::getDevice(libinput_device *native)
{
auto it = std::find_if(s_devices.constBegin(), s_devices.constEnd(),
[native] (const Device *d) {
return d->device() == native;
}
);
if (it != s_devices.constEnd()) {
return *it;
}
return nullptr;
}
enum class ConfigKey {
Enabled,
TapToClick,
TapAndDrag,
TapDragLock,
MiddleButtonEmulation,
NaturalScroll,
ScrollTwoFinger,
ScrollEdge,
ScrollOnButton,
ScrollButton
};
struct ConfigData {
QByteArray key;
struct BooleanSetter {
std::function<void (Device*, bool)> setter;
std::function<bool (Device*)> defaultValue;
} booleanSetter;
struct UintSetter {
std::function<void (Device*, quint32)> setter;
std::function<quint32 (Device*)> defaultValue;
} quint32Setter;
};
static const QMap<ConfigKey, ConfigData> s_configData {
{ConfigKey::Enabled, {QByteArrayLiteral("Enabled"), {&Device::setEnabled, std::function<bool (Device*)>()}, {}}},
{ConfigKey::TapToClick, {QByteArrayLiteral("TapToClick"), {&Device::setTapToClick, &Device::tapToClickEnabledByDefault}, {}}},
{ConfigKey::TapAndDrag, {QByteArrayLiteral("TapAndDrag"), {&Device::setTapAndDrag, &Device::tapAndDragEnabledByDefault}, {}}},
{ConfigKey::TapDragLock, {QByteArrayLiteral("TapDragLock"), {&Device::setTapDragLock, &Device::tapDragLockEnabledByDefault}, {}}},
{ConfigKey::MiddleButtonEmulation, {QByteArrayLiteral("MiddleButtonEmulation"), {&Device::setMiddleEmulation, &Device::middleEmulationEnabledByDefault}, {}}},
{ConfigKey::NaturalScroll, {QByteArrayLiteral("NaturalScroll"), {&Device::setNaturalScroll, &Device::naturalScrollEnabledByDefault}, {}}},
{ConfigKey::ScrollTwoFinger, {QByteArrayLiteral("ScrollTwoFinger"), {&Device::setScrollTwoFinger, &Device::scrollTwoFingerEnabledByDefault}, {}}},
{ConfigKey::ScrollEdge, {QByteArrayLiteral("ScrollEdge"), {&Device::setScrollEdge, &Device::scrollEdgeEnabledByDefault}, {}}},
{ConfigKey::ScrollOnButton, {QByteArrayLiteral("ScrollOnButton"), {&Device::setScrollOnButtonDown, &Device::scrollOnButtonDownEnabledByDefault}, {}}},
{ConfigKey::ScrollButton, {QByteArrayLiteral("ScrollButton"), {}, {&Device::setScrollButton, &Device::defaultScrollButton}}}
};
Device::Device(libinput_device *device, QObject *parent)
: QObject(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))
#if 0
// next libinput version
, m_tabletPad(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TABLET_PAD))
#else
, m_tabletPad(false)
#endif
, m_supportsGesture(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_GESTURE))
, m_name(QString::fromLocal8Bit(libinput_device_get_name(m_device)))
, m_sysName(QString::fromLocal8Bit(libinput_device_get_sysname(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_tapToClickEnabledByDefault(libinput_device_config_tap_get_default_enabled(m_device) == LIBINPUT_CONFIG_TAP_ENABLED)
, m_tapToClick(libinput_device_config_tap_get_enabled(m_device))
, m_tapAndDragEnabledByDefault(libinput_device_config_tap_get_default_drag_enabled(m_device))
, 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_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_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_pointerAcceleration(libinput_device_config_accel_get_speed(m_device))
, m_enabled(m_supportsDisableEvents ? libinput_device_config_send_events_get_mode(m_device) == LIBINPUT_CONFIG_SEND_EVENTS_ENABLED : true)
, m_config()
{
libinput_device_ref(m_device);
qreal width = 0;
qreal height = 0;
if (libinput_device_get_size(m_device, &width, &height) == 0) {
m_size = QSizeF(width, height);
}
if (m_pointer) {
if (libinput_device_pointer_has_button(m_device, BTN_LEFT) == 1) {
m_supportedButtons |= Qt::LeftButton;
}
if (libinput_device_pointer_has_button(m_device, BTN_MIDDLE) == 1) {
m_supportedButtons |= Qt::MiddleButton;
}
if (libinput_device_pointer_has_button(m_device, BTN_RIGHT) == 1) {
m_supportedButtons |= Qt::RightButton;
}
if (libinput_device_pointer_has_button(m_device, BTN_SIDE) == 1) {
m_supportedButtons |= Qt::ExtraButton1;
}
if (libinput_device_pointer_has_button(m_device, BTN_EXTRA) == 1) {
m_supportedButtons |= Qt::ExtraButton2;
}
if (libinput_device_pointer_has_button(m_device, BTN_BACK) == 1) {
m_supportedButtons |= Qt::BackButton;
}
if (libinput_device_pointer_has_button(m_device, BTN_FORWARD) == 1) {
m_supportedButtons |= Qt::ForwardButton;
}
if (libinput_device_pointer_has_button(m_device, BTN_TASK) == 1) {
m_supportedButtons |= Qt::TaskButton;
}
}
if (m_keyboard) {
m_alphaNumericKeyboard = checkAlphaNumericKeyboard(m_device);
}
s_devices << this;
QDBusConnection::sessionBus().registerObject(QStringLiteral("/org/kde/KWin/InputDevice/") + m_sysName,
QStringLiteral("org.kde.KWin.InputDevice"),
this,
QDBusConnection::ExportAllProperties
);
}
Device::~Device()
{
s_devices.removeOne(this);
QDBusConnection::sessionBus().unregisterObject(QStringLiteral("/org/kde/KWin/InputDevice/") + m_sysName);
libinput_device_unref(m_device);
}
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();
}
template <typename T, typename Setter>
void Device::readEntry(const QByteArray &key, const Setter &s, const T &defaultValue)
{
if (!s.setter) {
return;
}
s.setter(this, m_config.readEntry(key.constData(), s.defaultValue ? s.defaultValue(this) : defaultValue));
}
void Device::loadConfiguration()
{
if (!m_config.isValid()) {
return;
}
m_loading = true;
for (auto it = s_configData.begin(), end = s_configData.end(); it != end; ++it) {
const auto key = it.value().key;
if (!m_config.hasKey(key.constData())) {
continue;
}
readEntry(key, it.value().booleanSetter, true);
readEntry(key, it.value().quint32Setter, 0);
};
m_loading = false;
}
void Device::setLeftHanded(bool set)
{
if (!m_supportsLeftHanded) {
return;
}
if (libinput_device_config_left_handed_set(m_device, set) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_leftHanded != set) {
m_leftHanded = set;
emit leftHandedChanged();
}
}
}
void Device::setPointerAcceleration(qreal acceleration)
{
if (!m_supportsPointerAcceleration) {
return;
}
acceleration = qBound(-1.0, acceleration, 1.0);
if (libinput_device_config_accel_set_speed(m_device, acceleration) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_pointerAcceleration != acceleration) {
m_pointerAcceleration = acceleration;
emit pointerAccelerationChanged();
}
}
}
void Device::setNaturalScroll(bool set)
{
if (!m_supportsNaturalScroll) {
return;
}
if (libinput_device_config_scroll_set_natural_scroll_enabled(m_device, set) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
if (m_naturalScroll != set) {
m_naturalScroll = set;
writeEntry(ConfigKey::NaturalScroll, m_naturalScroll);
emit naturalScrollChanged();
}
}
}
bool Device::setScrollMethod(bool set, enum libinput_config_scroll_method method)
{
if (!(m_supportedScrollMethods & method)) {
return false;
}
if (set) {
if (m_scrollMethod == method) {
return false;
}
} else {
if (m_scrollMethod != method) {
return false;
}
method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
}
if (libinput_device_config_scroll_set_method(m_device, method) == LIBINPUT_CONFIG_STATUS_SUCCESS) {
m_scrollMethod = method;
emit scrollMethodChanged();
return true;
}
return false;
}
void Device::setScrollTwoFinger(bool set) {
if (setScrollMethod(set, LIBINPUT_CONFIG_SCROLL_2FG)) {
writeEntry(ConfigKey::ScrollTwoFinger, set);
}
}
void Device::setScrollEdge(bool set) {
if (setScrollMethod(set, LIBINPUT_CONFIG_SCROLL_EDGE)) {
writeEntry(ConfigKey::ScrollEdge, set);
}
}
void Device::setScrollOnButtonDown(bool set) {
if (setScrollMethod(set, LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN)) {
writeEntry(ConfigKey::ScrollOnButton, set);
}
}
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);
emit scrollButtonChanged();
}
}
}
#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); \
emit variable##Changed(); \
}\
} \
}
CONFIG(setEnabled, !m_supportsDisableEvents, send_events_set_mode, SEND_EVENTS, enabled, Enabled)
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
}
}
Reference in New Issue View Git Blame Copy Permalink