1 /*
2 SPDX-FileCopyrightText: 2013 Alexander Mezin <mezin.alexander@gmail.com>
3 SPDX-FileContributor: 2002-2005, 2007 Peter Osterlund <petero2@telia.com>
4
5 SPDX-License-Identifier: GPL-2.0-or-later AND LicenseRef-synaptics
6 */
7
8 #include <QDebug>
9 #include <cmath>
10
11 #include "synapticstouchpad.h"
12
13 #include <limits.h>
14 #include <stddef.h>
15 #include <synaptics-properties.h>
16
17 #define SYN_MAX_BUTTONS 12
18
19 const struct Parameter synapticsProperties[] = {
20 {"LeftEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 0},
21 {"RightEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 1},
22 {"TopEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 2},
23 {"BottomEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_EDGES, 32, 3},
24 {"FingerLow", PT_INT, 0, 255, SYNAPTICS_PROP_FINGER, 32, 0},
25 {"FingerHigh", PT_INT, 0, 255, SYNAPTICS_PROP_FINGER, 32, 1},
26 {"MaxTapTime", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_TIME, 32, 0},
27 {"MaxTapMove", PT_INT, 0, 2000, SYNAPTICS_PROP_TAP_MOVE, 32, 0},
28 {"MaxDoubleTapTime", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_DURATIONS, 32, 1},
29 {"SingleTapTimeout", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_DURATIONS, 32, 0},
30 {"ClickTime", PT_INT, 0, 1000, SYNAPTICS_PROP_TAP_DURATIONS, 32, 2},
31 {"FastTaps", PT_BOOL, 0, 1, SYNAPTICS_PROP_TAP_FAST, 8, 0},
32 {"EmulateMidButtonTime", PT_INT, 0, 1000, SYNAPTICS_PROP_MIDDLE_TIMEOUT, 32, 0},
33 {"EmulateTwoFingerMinZ", PT_INT, 0, 1000, SYNAPTICS_PROP_TWOFINGER_PRESSURE, 32, 0},
34 {"EmulateTwoFingerMinW", PT_INT, 0, 15, SYNAPTICS_PROP_TWOFINGER_WIDTH, 32, 0},
35 {"VertScrollDelta", PT_INT, -1000, 1000, SYNAPTICS_PROP_SCROLL_DISTANCE, 32, 0},
36 {"HorizScrollDelta", PT_INT, -1000, 1000, SYNAPTICS_PROP_SCROLL_DISTANCE, 32, 1},
37 {"VertEdgeScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_EDGE, 8, 0},
38 {"HorizEdgeScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_EDGE, 8, 1},
39 {"CornerCoasting", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_EDGE, 8, 2},
40 {"VertTwoFingerScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_TWOFINGER, 8, 0},
41 {"HorizTwoFingerScroll", PT_BOOL, 0, 1, SYNAPTICS_PROP_SCROLL_TWOFINGER, 8, 1},
42 {"MinSpeed", PT_DOUBLE, 0, 255.0, SYNAPTICS_PROP_SPEED, 0, /*float */ 0},
43 {"MaxSpeed", PT_DOUBLE, 0, 255.0, SYNAPTICS_PROP_SPEED, 0, /*float */ 1},
44 {"AccelFactor", PT_DOUBLE, 0, 1.0, SYNAPTICS_PROP_SPEED, 0, /*float */ 2},
45 /*{"TouchpadOff", PT_INT, 0, 2, SYNAPTICS_PROP_OFF, 8, 0},*/
46 {"LockedDrags", PT_BOOL, 0, 1, SYNAPTICS_PROP_LOCKED_DRAGS, 8, 0},
47 {"LockedDragTimeout", PT_INT, 0, 30000, SYNAPTICS_PROP_LOCKED_DRAGS_TIMEOUT, 32, 0},
48 {"RTCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 0},
49 {"RBCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 1},
50 {"LTCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 2},
51 {"LBCornerButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 3},
52 {"OneFingerTapButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 4},
53 {"TwoFingerTapButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 5},
54 {"ThreeFingerTapButton", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_TAP_ACTION, 8, 6},
55 {"ClickFinger1", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_CLICK_ACTION, 8, 0},
56 {"ClickFinger2", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_CLICK_ACTION, 8, 1},
57 {"ClickFinger3", PT_INT, 0, SYN_MAX_BUTTONS, SYNAPTICS_PROP_CLICK_ACTION, 8, 2},
58 {"CircularScrolling", PT_BOOL, 0, 1, SYNAPTICS_PROP_CIRCULAR_SCROLLING, 8, 0},
59 {"CircScrollDelta", PT_DOUBLE, .01, 3, SYNAPTICS_PROP_CIRCULAR_SCROLLING_DIST, 0 /* float */, 0},
60 {"CircScrollTrigger", PT_INT, 0, 8, SYNAPTICS_PROP_CIRCULAR_SCROLLING_TRIGGER, 8, 0},
61 {"PalmDetect", PT_BOOL, 0, 1, SYNAPTICS_PROP_PALM_DETECT, 8, 0},
62 {"PalmMinWidth", PT_INT, 0, 15, SYNAPTICS_PROP_PALM_DIMENSIONS, 32, 0},
63 {"PalmMinZ", PT_INT, 0, 255, SYNAPTICS_PROP_PALM_DIMENSIONS, 32, 1},
64 {"CoastingSpeed", PT_DOUBLE, 0, 255, SYNAPTICS_PROP_COASTING_SPEED, 0 /* float*/, 0},
65 {"CoastingFriction", PT_DOUBLE, 0, 255, SYNAPTICS_PROP_COASTING_SPEED, 0 /* float*/, 1},
66 {"PressureMotionMinZ", PT_INT, 1, 255, SYNAPTICS_PROP_PRESSURE_MOTION, 32, 0},
67 {"PressureMotionMaxZ", PT_INT, 1, 255, SYNAPTICS_PROP_PRESSURE_MOTION, 32, 1},
68 {"PressureMotionMinFactor", PT_DOUBLE, 0, 10.0, SYNAPTICS_PROP_PRESSURE_MOTION_FACTOR, 0 /*float*/, 0},
69 {"PressureMotionMaxFactor", PT_DOUBLE, 0, 10.0, SYNAPTICS_PROP_PRESSURE_MOTION_FACTOR, 0 /*float*/, 1},
70 {"GrabEventDevice", PT_BOOL, 0, 1, SYNAPTICS_PROP_GRAB, 8, 0},
71 {"TapAndDragGesture", PT_BOOL, 0, 1, SYNAPTICS_PROP_GESTURES, 8, 0},
72 {"AreaLeftEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 0},
73 {"AreaRightEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 1},
74 {"AreaTopEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 2},
75 {"AreaBottomEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 3},
76 {"HorizHysteresis", PT_INT, 0, 10000, SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 0},
77 {"VertHysteresis", PT_INT, 0, 10000, SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 1},
78 {"ClickPad", PT_BOOL, 0, 1, SYNAPTICS_PROP_CLICKPAD, 8, 0},
79 {"RightButtonAreaLeft", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 0},
80 {"RightButtonAreaRight", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 1},
81 {"RightButtonAreaTop", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 2},
82 {"RightButtonAreaBottom", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 3},
83 {"MiddleButtonAreaLeft", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 4},
84 {"MiddleButtonAreaRight", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 5},
85 {"MiddleButtonAreaTop", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 6},
86 {"MiddleButtonAreaBottom", PT_INT, INT_MIN, INT_MAX, SYNAPTICS_PROP_SOFTBUTTON_AREAS, 32, 7},
87 {NULL, PT_INT, 0, 0, nullptr, 0, 0},
88 };
89
SynapticsTouchpad(Display * display,int deviceId)90 SynapticsTouchpad::SynapticsTouchpad(Display *display, int deviceId)
91 : XlibTouchpad(display, deviceId)
92 , m_resX(1)
93 , m_resY(1)
94 {
95 m_capsAtom.intern(m_connection, SYNAPTICS_PROP_CAPABILITIES);
96 m_touchpadOffAtom.intern(m_connection, SYNAPTICS_PROP_OFF);
97 XcbAtom resolutionAtom(m_connection, SYNAPTICS_PROP_RESOLUTION);
98 XcbAtom edgesAtom(m_connection, SYNAPTICS_PROP_EDGES);
99
100 loadSupportedProperties(synapticsProperties);
101
102 m_toRadians.append("CircScrollDelta");
103
104 PropertyInfo edges(m_display, m_deviceId, edgesAtom, 0);
105 if (edges.i && edges.nitems == 4) {
106 int w = qAbs(edges.i[1] - edges.i[0]);
107 int h = qAbs(edges.i[3] - edges.i[2]);
108 m_resX = w / 90;
109 m_resY = h / 50;
110 qDebug() << "Width: " << w << " height: " << h;
111 qDebug() << "Approx. resX: " << m_resX << " resY: " << m_resY;
112 }
113
114 PropertyInfo resolution(m_display, m_deviceId, resolutionAtom, 0);
115 if (resolution.i && resolution.nitems == 2 && resolution.i[0] > 1 && resolution.i[1] > 1) {
116 m_resY = qMin(static_cast<unsigned long>(resolution.i[0]), static_cast<unsigned long>(INT_MAX));
117 m_resX = qMin(static_cast<unsigned long>(resolution.i[1]), static_cast<unsigned long>(INT_MAX));
118 qDebug() << "Touchpad resolution: x: " << m_resX << " y: " << m_resY;
119 }
120
121 m_scaleByResX.append("HorizScrollDelta");
122 m_scaleByResY.append("VertScrollDelta");
123 m_scaleByResX.append("MaxTapMove");
124 m_scaleByResY.append("MaxTapMove");
125
126 m_resX = qMax(10, m_resX);
127 m_resY = qMax(10, m_resY);
128 qDebug() << "Final resolution x:" << m_resX << " y:" << m_resY;
129 m_negate["HorizScrollDelta"] = "InvertHorizScroll";
130 m_negate["VertScrollDelta"] = "InvertVertScroll";
131 m_supported.append(m_negate.values());
132 m_supported.append("Coasting");
133
134 PropertyInfo caps(m_display, m_deviceId, m_capsAtom.atom(), 0);
135 if (!caps.b) {
136 return;
137 }
138
139 enum TouchpadCapabilitiy {
140 TouchpadHasLeftButton,
141 TouchpadHasMiddleButton,
142 TouchpadHasRightButton,
143 TouchpadTwoFingerDetect,
144 TouchpadThreeFingerDetect,
145 TouchpadPressureDetect,
146 TouchpadPalmDetect,
147 TouchpadCapsCount,
148 };
149
150 QVector<bool> cap(TouchpadCapsCount, false);
151 std::copy(caps.b, caps.b + qMin(cap.size(), static_cast<int>(caps.nitems)), cap.begin());
152
153 if (!cap[TouchpadTwoFingerDetect]) {
154 m_supported.removeAll("HorizTwoFingerScroll");
155 m_supported.removeAll("VertTwoFingerScroll");
156 m_supported.removeAll("TwoFingerTapButton");
157 }
158
159 if (!cap[TouchpadThreeFingerDetect]) {
160 m_supported.removeAll("ThreeFingerTapButton");
161 }
162
163 if (!cap[TouchpadPressureDetect]) {
164 m_supported.removeAll("FingerHigh");
165 m_supported.removeAll("FingerLow");
166
167 m_supported.removeAll("PalmMinZ");
168 m_supported.removeAll("PressureMotionMinZ");
169 m_supported.removeAll("PressureMotionMinFactor");
170 m_supported.removeAll("PressureMotionMaxZ");
171 m_supported.removeAll("PressureMotionMaxFactor");
172 m_supported.removeAll("EmulateTwoFingerMinZ");
173 }
174
175 if (!cap[TouchpadPalmDetect]) {
176 m_supported.removeAll("PalmDetect");
177 m_supported.removeAll("PalmMinWidth");
178 m_supported.removeAll("PalmMinZ");
179 m_supported.removeAll("EmulateTwoFingerMinW");
180 }
181
182 for (QMap<QString, QString>::Iterator i = m_negate.begin(); i != m_negate.end(); ++i) {
183 if (!m_supported.contains(i.key())) {
184 m_supported.removeAll(i.value());
185 }
186 }
187
188 m_paramList = synapticsProperties;
189 }
190
setTouchpadOff(int touchpadOff)191 void SynapticsTouchpad::setTouchpadOff(int touchpadOff)
192 {
193 PropertyInfo off(m_display, m_deviceId, m_touchpadOffAtom.atom(), 0);
194 if (off.b && *(off.b) != touchpadOff) {
195 *(off.b) = touchpadOff;
196 off.set();
197 }
198
199 flush();
200 }
201
touchpadOff()202 int SynapticsTouchpad::touchpadOff()
203 {
204 PropertyInfo off(m_display, m_deviceId, m_touchpadOffAtom.atom(), 0);
205 return off.value(0).toInt();
206 }
207
touchpadOffAtom()208 XcbAtom &SynapticsTouchpad::touchpadOffAtom()
209 {
210 return m_touchpadOffAtom;
211 }
212
getPropertyScale(const QString & name) const213 double SynapticsTouchpad::getPropertyScale(const QString &name) const
214 {
215 if (m_scaleByResX.contains(name) && m_scaleByResY.contains(name)) {
216 return std::sqrt(static_cast<double>(m_resX) * m_resX + static_cast<double>(m_resY) * m_resY);
217 } else if (m_scaleByResX.contains(name)) {
218 return m_resX;
219 } else if (m_scaleByResY.contains(name)) {
220 return m_resY;
221 } else if (m_toRadians.contains(name)) {
222 return M_PI_4 / 45.0;
223 }
224 return 1.0;
225 }
226