From a2ad0878edcae0aad72c792fa93de40b8c92f5a0 Mon Sep 17 00:00:00 2001 From: Marcel Admiraal Date: Fri, 10 Apr 2020 11:41:41 +0100 Subject: [PATCH] Fix X11 pressure and tilt values. --- platform/linuxbsd/display_server_x11.cpp | 85 +++++++++++++++--------- platform/linuxbsd/display_server_x11.h | 4 +- 2 files changed, 55 insertions(+), 34 deletions(-) diff --git a/platform/linuxbsd/display_server_x11.cpp b/platform/linuxbsd/display_server_x11.cpp index 6049dbf4d61..51e875162bc 100644 --- a/platform/linuxbsd/display_server_x11.cpp +++ b/platform/linuxbsd/display_server_x11.cpp @@ -254,13 +254,16 @@ bool DisplayServerX11::_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) { @@ -272,23 +275,23 @@ bool DisplayServerX11::_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; } } } @@ -299,18 +302,19 @@ bool DisplayServerX11::_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); @@ -2350,6 +2354,9 @@ void DisplayServerX11::process_events() { // 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); @@ -2396,9 +2403,6 @@ void DisplayServerX11::process_events() { 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; @@ -2411,24 +2415,39 @@ void DisplayServerX11::process_events() { } if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_PRESSURE)) { - pressure = *values; + Map::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::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::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::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 diff --git a/platform/linuxbsd/display_server_x11.h b/platform/linuxbsd/display_server_x11.h index 113e504e9bc..d5ad1c30a97 100644 --- a/platform/linuxbsd/display_server_x11.h +++ b/platform/linuxbsd/display_server_x11.h @@ -170,7 +170,9 @@ class DisplayServerX11 : public DisplayServer { int opcode; Vector touch_devices; Map absolute_devices; - Map pen_devices; + Map pen_pressure_range; + Map pen_tilt_x_range; + Map pen_tilt_y_range; XIEventMask all_event_mask; Map state; double pressure;