SPDX-FileCopyrightText: 2013 Alexander Mezin <mezin.alexander@gmail.com>
SPDX-FileContributor: 2002-2005, 2007 Peter Osterlund <petero2@telia.com>
SPDX-License-Identifier: GPL-2.0-or-later AND LicenseRef-synaptics
*/
#include <QDebug>
#include <cmath>
#include "synapticstouchpad.h"
#include <limits.h>
#include <stddef.h>
#include <synaptics-properties.h>
#define SYN_MAX_BUTTONS 12
const struct Parameter synapticsProperties[] = {
{"LeftEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 0},
{"RightEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 1},
{"TopEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 2},
{"BottomEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 3},
{"FingerLow", PT_INT, 0, 255, SYNAPTICS_PROP_FINGER, 32, 0},
{"FingerHigh", PT_INT, 0, 255, SYNAPTICS_PROP_FINGER, 32, 1},
{"MaxTapTime", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_TIME, 32, 0},
{"MaxTapMove", PT_INT, 0, 2000, SYNAPTICS_PROP_TAP_MOVE, 32, 0},
{"MaxDoubleTapTime", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_DURATIONS, 32, 1},
{"SingleTapTimeout", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_DURATIONS, 32, 0},
{"ClickTime", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_DURATIONS, 32, 2},
{"FastTaps", PT_BOOL, 0, 1, SYNAPTICS_PROP_TAP_FAST, 8, 0},
{"EmulateMidButtonTime", PT_INT, 0, 1000, SYNAPTICS_PROP_MIDDLE_TIMEOUT, 32, 0},
{"EmulateTwoFingerMinZ", PT_INT, 0, 1000, SYNAPTICS_PROP_TWOFINGER_PRESSURE, 32, 0},
{"EmulateTwoFingerMinW", PT_INT, 0, 15, SYNAPTICS_PROP_TWOFINGER_WIDTH, 32, 0},
{"VertScrollDelta", PT_INT, -1000, 1000, SYNAPTICS_PROP_SCROLL_DISTANCE, 32, 0},
{"HorizScrollDelta", PT_INT, -1000, 1000, SYNAPTICS_PROP_SCROLL_DISTANCE, 32, 1},
{"VertEdgeScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_EDGE, 8, 0},
{"HorizEdgeScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_EDGE, 8, 1},
{"CornerCoasting", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_EDGE, 8, 2},
{"VertTwoFingerScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_TWOFINGER, 8, 0},
{"HorizTwoFingerScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_TWOFINGER, 8, 1},
{"MinSpeed", PT_DOUBLE, 0, 255.0, SYNAPTICS_PROP_SPEED, 0, 0},
{"MaxSpeed", PT_DOUBLE, 0, 255.0, SYNAPTICS_PROP_SPEED, 0, 1},
{"AccelFactor", PT_DOUBLE, 0, 1.0, SYNAPTICS_PROP_SPEED, 0, 2},
{"LockedDrags", PT_BOOL, 0, 1, SYNAPTICS_PROP_LOCKED_DRAGS, 8, 0},
{"LockedDragTimeout", PT_INT, 0, 30000, SYNAPTICS_PROP_LOCKED_DRAGS_TIMEOUT, 32, 0},
{"RTCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 0},
{"RBCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 1},
{"LTCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 2},
{"LBCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 3},
{"OneFingerTapButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 4},
{"TwoFingerTapButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 5},
{"ThreeFingerTapButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 6},
{"ClickFinger1", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_CLICK_ACTION, 8, 0},
{"ClickFinger2", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_CLICK_ACTION, 8, 1},
{"ClickFinger3", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_CLICK_ACTION, 8, 2},
{"CircularScrolling", PT_BOOL, 0, 1, SYNAPTICS_PROP_CIRCULAR_SCROLLING, 8, 0},
{"CircScrollDelta", PT_DOUBLE, .01, 3, SYNAPTICS_PROP_CIRCULAR_SCROLLING_DIST, 0 , 0},
{"CircScrollTrigger", PT_INT, 0, 8, SYNAPTICS_PROP_CIRCULAR_SCROLLING_TRIGGER, 8, 0},
{"PalmDetect", PT_BOOL, 0, 1, SYNAPTICS_PROP_PALM_DETECT, 8, 0},
{"PalmMinWidth", PT_INT, 0, 15, SYNAPTICS_PROP_PALM_DIMENSIONS, 32, 0},
{"PalmMinZ", PT_INT, 0, 255, SYNAPTICS_PROP_PALM_DIMENSIONS, 32, 1},
{"CoastingSpeed", PT_DOUBLE, 0, 255, SYNAPTICS_PROP_COASTING_SPEED, 0 , 0},
{"CoastingFriction", PT_DOUBLE, 0, 255, SYNAPTICS_PROP_COASTING_SPEED, 0 , 1},
{"PressureMotionMinZ", PT_INT, 1, 255, SYNAPTICS_PROP_PRESSURE_MOTION, 32, 0},
{"PressureMotionMaxZ", PT_INT, 1, 255, SYNAPTICS_PROP_PRESSURE_MOTION, 32, 1},
{"PressureMotionMinFactor", PT_DOUBLE, 0, 10.0, SYNAPTICS_PROP_PRESSURE_MOTION_FACTOR, 0 , 0},
{"PressureMotionMaxFactor", PT_DOUBLE, 0, 10.0, SYNAPTICS_PROP_PRESSURE_MOTION_FACTOR, 0 , 1},
{"GrabEventDevice", PT_BOOL, 0, 1, SYNAPTICS_PROP_GRAB, 8, 0},
{"TapAndDragGesture", PT_BOOL, 0, 1, SYNAPTICS_PROP_GESTURES, 8, 0},
{"AreaLeftEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 0},
{"AreaRightEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 1},
{"AreaTopEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 2},
{"AreaBottomEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 3},
{"HorizHysteresis", PT_INT, 0, 10000, SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 0},
{"VertHysteresis", PT_INT, 0, 10000, SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 1},
{"ClickPad", PT_BOOL, 0, 1, SYNAPTICS_PROP_CLICKPAD, 8, 0},
{"RightButtonAreaLeft", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 0},
{"RightButtonAreaRight", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 1},
{"RightButtonAreaTop", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 2},
{"RightButtonAreaBottom", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 3},
{"MiddleButtonAreaLeft", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 4},
{"MiddleButtonAreaRight", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 5},
{"MiddleButtonAreaTop", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 6},
{"MiddleButtonAreaBottom", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 7},
{NULL, PT_INT, 0, 0, nullptr, 0, 0},
};
SynapticsTouchpad::SynapticsTouchpad(Display *display, int deviceId)
: XlibTouchpad(display, deviceId)
, m_resX(1)
, m_resY(1)
{
m_capsAtom.intern(m_connection, SYNAPTICS_PROP_CAPABILITIES);
m_touchpadOffAtom.intern(m_connection, SYNAPTICS_PROP_OFF);
XcbAtom resolutionAtom(m_connection, SYNAPTICS_PROP_RESOLUTION);
XcbAtom edgesAtom(m_connection, SYNAPTICS_PROP_EDGES);
loadSupportedProperties(synapticsProperties);
m_toRadians.append("CircScrollDelta");
PropertyInfo edges(m_display, m_deviceId, edgesAtom, 0);
if (edges.i && edges.nitems == 4) {
int w = qAbs(edges.i[1] - edges.i[0]);
int h = qAbs(edges.i[3] - edges.i[2]);
m_resX = w / 90;
m_resY = h / 50;
qDebug() << "Width: " << w << " height: " << h;
qDebug() << "Approx. resX: " << m_resX << " resY: " << m_resY;
}
PropertyInfo resolution(m_display, m_deviceId, resolutionAtom, 0);
if (resolution.i && resolution.nitems == 2 && resolution.i[0] > 1 && resolution.i[1] > 1) {
m_resY = qMin(static_cast<unsigned long>(resolution.i[0]), static_cast<unsigned long>(INT_MAX));
m_resX = qMin(static_cast<unsigned long>(resolution.i[1]), static_cast<unsigned long>(INT_MAX));
qDebug() << "Touchpad resolution: x: " << m_resX << " y: " << m_resY;
}
m_scaleByResX.append("HorizScrollDelta");
m_scaleByResY.append("VertScrollDelta");
m_scaleByResX.append("MaxTapMove");
m_scaleByResY.append("MaxTapMove");
m_resX = qMax(10, m_resX);
m_resY = qMax(10, m_resY);
qDebug() << "Final resolution x:" << m_resX << " y:" << m_resY;
m_negate["HorizScrollDelta"] = "InvertHorizScroll";
m_negate["VertScrollDelta"] = "InvertVertScroll";
m_supported.append(m_negate.values());
m_supported.append("Coasting");
PropertyInfo caps(m_display, m_deviceId, m_capsAtom.atom(), 0);
if (!caps.b) {
return;
}
enum TouchpadCapabilitiy {
TouchpadHasLeftButton,
TouchpadHasMiddleButton,
TouchpadHasRightButton,
TouchpadTwoFingerDetect,
TouchpadThreeFingerDetect,
TouchpadPressureDetect,
TouchpadPalmDetect,
TouchpadCapsCount,
};
QVector<bool> cap(TouchpadCapsCount, false);
std::copy(caps.b, caps.b + qMin(cap.size(), static_cast<int>(caps.nitems)), cap.begin());
if (!cap[TouchpadTwoFingerDetect]) {
m_supported.removeAll("HorizTwoFingerScroll");
m_supported.removeAll("VertTwoFingerScroll");
m_supported.removeAll("TwoFingerTapButton");
}
if (!cap[TouchpadThreeFingerDetect]) {
m_supported.removeAll("ThreeFingerTapButton");
}
if (!cap[TouchpadPressureDetect]) {
m_supported.removeAll("FingerHigh");
m_supported.removeAll("FingerLow");
m_supported.removeAll("PalmMinZ");
m_supported.removeAll("PressureMotionMinZ");
m_supported.removeAll("PressureMotionMinFactor");
m_supported.removeAll("PressureMotionMaxZ");
m_supported.removeAll("PressureMotionMaxFactor");
m_supported.removeAll("EmulateTwoFingerMinZ");
}
if (!cap[TouchpadPalmDetect]) {
m_supported.removeAll("PalmDetect");
m_supported.removeAll("PalmMinWidth");
m_supported.removeAll("PalmMinZ");
m_supported.removeAll("EmulateTwoFingerMinW");
}
for (QMap<QString, QString>::Iterator i = m_negate.begin(); i != m_negate.end(); ++i) {
if (!m_supported.contains(i.key())) {
m_supported.removeAll(i.value());
}
}
m_paramList = synapticsProperties;
}
void SynapticsTouchpad::setTouchpadOff(int touchpadOff)
{
PropertyInfo off(m_display, m_deviceId, m_touchpadOffAtom.atom(), 0);
if (off.b && *(off.b) != touchpadOff) {
*(off.b) = touchpadOff;
off.set();
}
flush();
}
int SynapticsTouchpad::touchpadOff()
{
PropertyInfo off(m_display, m_deviceId, m_touchpadOffAtom.atom(), 0);
return off.value(0).toInt();
}
XcbAtom &SynapticsTouchpad::touchpadOffAtom()
{
return m_touchpadOffAtom;
}
double SynapticsTouchpad::getPropertyScale(const QString &name) const
{
if (m_scaleByResX.contains(name) && m_scaleByResY.contains(name)) {
return std::sqrt(static_cast<double>(m_resX) * m_resX + static_cast<double>(m_resY) * m_resY);
} else if (m_scaleByResX.contains(name)) {
return m_resX;
} else if (m_scaleByResY.contains(name)) {
return m_resY;
} else if (m_toRadians.contains(name)) {
return M_PI_4 / 45.0;
}
return 1.0;
}
