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Fix X11 pressure and tilt values. 

(cherry picked from commit a2ad0878ed)
This commit is contained in:
Marcel Admiraal 2020-04-10 11:41:41 +01:00 committed by Rémi Verschelde
parent 2293cf61c6
commit a286edb821
2 changed files with 55 additions and 34 deletions
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83
platform/x11/os_x11.cpp
View File

@ -664,13 +664,16 @@ bool OS_X11::refresh_device_info() {
bool absolute_mode = false;
int resolution_x = 0;
int resolution_y = 0;
double range_min_x = 0;
double range_min_y = 0;
double range_max_x = 0;
double range_max_y = 0;
int pressure_resolution = 0;
int tilt_resolution_x = 0;
int tilt_resolution_y = 0;
double abs_x_min = 0;
double abs_x_max = 0;
double abs_y_min = 0;
double abs_y_max = 0;
double pressure_min = 0;
double pressure_max = 0;
double tilt_x_min = 0;
double tilt_x_max = 0;
double tilt_y_min = 0;
double tilt_y_max = 0;
for (int j = 0; j < dev->num_classes; j++) {
#ifdef TOUCH_ENABLED
if (dev->classes[j]->type == XITouchClass && ((XITouchClassInfo *)dev->classes[j])->mode == XIDirectTouch) {
@ -682,23 +685,23 @@ bool OS_X11::refresh_device_info() {
if (class_info->number == VALUATOR_ABSX && class_info->mode == XIModeAbsolute) {
resolution_x = class_info->resolution;
range_min_x = class_info->min;
range_max_x = class_info->max;
abs_x_min = class_info->min;
abs_y_max = class_info->max;
absolute_mode = true;
} else if (class_info->number == VALUATOR_ABSY && class_info->mode == XIModeAbsolute) {
resolution_y = class_info->resolution;
range_min_y = class_info->min;
range_max_y = class_info->max;
abs_y_min = class_info->min;
abs_y_max = class_info->max;
absolute_mode = true;
} else if (class_info->number == VALUATOR_PRESSURE && class_info->mode == XIModeAbsolute) {
pressure_resolution = (class_info->max - class_info->min);
if (pressure_resolution == 0) pressure_resolution = 1;
pressure_min = class_info->min;
pressure_max = class_info->max;
} else if (class_info->number == VALUATOR_TILTX && class_info->mode == XIModeAbsolute) {
tilt_resolution_x = (class_info->max - class_info->min);
if (tilt_resolution_x == 0) tilt_resolution_x = 1;
tilt_x_min = class_info->min;
tilt_x_max = class_info->max;
} else if (class_info->number == VALUATOR_TILTY && class_info->mode == XIModeAbsolute) {
tilt_resolution_y = (class_info->max - class_info->min);
if (tilt_resolution_y == 0) tilt_resolution_y = 1;
tilt_x_min = class_info->min;
tilt_x_max = class_info->max;
}
}
}
@ -709,18 +712,19 @@ bool OS_X11::refresh_device_info() {
if (absolute_mode) {
// If no resolution was reported, use the min/max ranges.
if (resolution_x <= 0) {
resolution_x = (range_max_x - range_min_x) * abs_resolution_range_mult;
resolution_x = (abs_x_max - abs_x_min) * abs_resolution_range_mult;
}
if (resolution_y <= 0) {
resolution_y = (range_max_y - range_min_y) * abs_resolution_range_mult;
resolution_y = (abs_y_max - abs_y_min) * abs_resolution_range_mult;
}
xi.absolute_devices[dev->deviceid] = Vector2(abs_resolution_mult / resolution_x, abs_resolution_mult / resolution_y);
print_verbose("XInput: Absolute pointing device: " + String(dev->name));
}
xi.pressure = 0;
xi.pen_devices[dev->deviceid] = Vector3(pressure_resolution, tilt_resolution_x, tilt_resolution_y);
xi.pen_pressure_range[dev->deviceid] = Vector2(pressure_min, pressure_max);
xi.pen_tilt_x_range[dev->deviceid] = Vector2(tilt_x_min, tilt_x_max);
xi.pen_tilt_y_range[dev->deviceid] = Vector2(tilt_y_min, tilt_y_max);
}
XIFreeDeviceInfo(info);
@ -2079,6 +2083,9 @@ void OS_X11::process_xevents() {
// Is the current mouse mode one where it needs to be grabbed.
bool mouse_mode_grab = mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED;
xi.pressure = 0;
xi.tilt = Vector2();
while (XPending(x11_display) > 0) {
XEvent event;
XNextEvent(x11_display, &event);
@ -2115,9 +2122,6 @@ void OS_X11::process_xevents() {
double rel_x = 0.0;
double rel_y = 0.0;
double pressure = 0.0;
double tilt_x = 0.0;
double tilt_y = 0.0;
if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_ABSX)) {
rel_x = *values;
@ -2130,24 +2134,39 @@ void OS_X11::process_xevents() {
}
if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_PRESSURE)) {
pressure = *values;
Map<int, Vector2>::Element *pen_pressure = xi.pen_pressure_range.find(device_id);
if (pen_pressure) {
Vector2 pen_pressure_range = pen_pressure->value();
if (pen_pressure_range != Vector2())
xi.pressure = (*values - pen_pressure_range[0]) /
(pen_pressure_range[1] - pen_pressure_range[0]);
}
values++;
}
if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_TILTX)) {
tilt_x = *values;
Map<int, Vector2>::Element *pen_tilt_x = xi.pen_tilt_x_range.find(device_id);
if (pen_tilt_x) {
Vector2 pen_tilt_x_range = pen_tilt_x->value();
if (pen_tilt_x_range != Vector2()) {
xi.tilt.x = ((*values - pen_tilt_x_range[0]) / (pen_tilt_x_range[1] - pen_tilt_x_range[0])) * 2 - 1;
}
}
values++;
}
if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_TILTY)) {
tilt_y = *values;
Map<int, Vector2>::Element *pen_tilt_y = xi.pen_tilt_y_range.find(device_id);
if (pen_tilt_y) {
Vector2 pen_tilt_y_range = pen_tilt_y->value();
if (pen_tilt_y_range != Vector2()) {
xi.tilt.y = ((*values - pen_tilt_y_range[0]) / (pen_tilt_y_range[1] - pen_tilt_y_range[0])) * 2 - 1;
}
}
Map<int, Vector3>::Element *pen_info = xi.pen_devices.find(device_id);
if (pen_info) {
Vector3 mult = pen_info->value();
if (mult.x != 0.0) xi.pressure = pressure / mult.x;
if ((mult.y != 0.0) && (mult.z != 0.0)) xi.tilt = Vector2(tilt_x / mult.y, tilt_y / mult.z);
values++;
}
// https://bugs.freedesktop.org/show_bug.cgi?id=71609

4
platform/x11/os_x11.h
View File

@ -131,7 +131,9 @@ class OS_X11 : public OS_Unix {
int opcode;
Vector<int> touch_devices;
Map<int, Vector2> absolute_devices;
Map<int, Vector3> pen_devices;
Map<int, Vector2> pen_pressure_range;
Map<int, Vector2> pen_tilt_x_range;
Map<int, Vector2> pen_tilt_y_range;
XIEventMask all_event_mask;
XIEventMask all_master_event_mask;
Map<int, Vector2> state;