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[3.x] Fix tablet tilt values returning bad values #56439

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merged 1 commit into from
Jan 3, 2022
Merged

[3.x] Fix tablet tilt values returning bad values #56439

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18 changes: 11 additions & 7 deletions platform/x11/os_x11.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -690,7 +690,7 @@ bool OS_X11::refresh_device_info() {
if (class_info->number == VALUATOR_ABSX && class_info->mode == XIModeAbsolute) {
resolution_x = class_info->resolution;
abs_x_min = class_info->min;
abs_y_max = class_info->max;
abs_x_max = class_info->max;
absolute_mode = true;
} else if (class_info->number == VALUATOR_ABSY && class_info->mode == XIModeAbsolute) {
resolution_y = class_info->resolution;
Expand All @@ -704,8 +704,8 @@ bool OS_X11::refresh_device_info() {
tilt_x_min = class_info->min;
tilt_x_max = class_info->max;
} else if (class_info->number == VALUATOR_TILTY && class_info->mode == XIModeAbsolute) {
tilt_x_min = class_info->min;
tilt_x_max = class_info->max;
tilt_y_min = class_info->min;
tilt_y_max = class_info->max;
}
}
}
Expand Down Expand Up @@ -2452,8 +2452,10 @@ void OS_X11::process_xevents() {
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;
if (pen_tilt_x_range[0] != 0 && *values < 0) {
xi.tilt.x = *values / -pen_tilt_x_range[0];
} else if (pen_tilt_x_range[1] != 0) {
xi.tilt.x = *values / pen_tilt_x_range[1];
}
}

Expand All @@ -2464,8 +2466,10 @@ void OS_X11::process_xevents() {
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;
if (pen_tilt_y_range[0] != 0 && *values < 0) {
xi.tilt.y = *values / -pen_tilt_y_range[0];
} else if (pen_tilt_y_range[1] != 0) {
xi.tilt.y = *values / pen_tilt_y_range[1];
}
}

Expand Down