CalibratorUsbtouchscreen::CalibratorUsbtouchscreen(const char* const device_name0, const XYinfo& axys0, const int thr_misclick, const int thr_doubleclick, const OutputType output_type, const char* geometry, const bool use_timeout)
: Calibrator(device_name0, axys0, thr_misclick, thr_doubleclick, output_type, geometry, use_timeout)
{
if (strcmp(device_name, "Usbtouchscreen") != 0)
throw WrongCalibratorException("Not a usbtouchscreen device");
// Reset the currently running kernel
read_bool_parameter(p_transform_xy, val_transform_xy);
read_bool_parameter(p_flip_x, val_flip_x);
read_bool_parameter(p_flip_y, val_flip_y);
read_bool_parameter(p_swap_xy, val_swap_xy);
write_bool_parameter(p_transform_xy, false);
write_bool_parameter(p_flip_x, false);
write_bool_parameter(p_flip_y, false);
write_bool_parameter(p_swap_xy, false);
printf("Calibrating Usbtouchscreen, through the kernel module\n");
}
// Constructor
CalibratorEvdev::CalibratorEvdev(const char* const device_name0,
const XYinfo& axys0,
XID device_id,
const int thr_misclick,
const int thr_doubleclick,
const OutputType output_type,
const char* geometry,
const bool use_valuator,
const bool use_timeout,
const char* output_filename)
: Calibrator(device_name0, axys0, thr_misclick, thr_doubleclick, output_type, geometry, use_timeout, output_filename)
{
// init
display = XOpenDisplay(NULL);
if (display == NULL) {
throw WrongCalibratorException("Evdev: Unable to connect to X server");
}
// normaly, we already have the device id
if (device_id == (XID)-1) {
devInfo = xinput_find_device_info(display, device_name, False);
if (!devInfo) {
XCloseDisplay(display);
throw WrongCalibratorException("Evdev: Unable to find device");
}
device_id = devInfo->id;
}
dev = XOpenDevice(display, device_id);
if (!dev) {
XCloseDisplay(display);
throw WrongCalibratorException("Evdev: Unable to open device");
}
#ifndef HAVE_XI_PROP
throw WrongCalibratorException("Evdev: you need at least libXi 1.2 and inputproto 1.5 for dynamic recalibration of evdev.");
#else
// XGetDeviceProperty vars
Atom property;
Atom act_type;
int act_format;
unsigned long nitems, bytes_after;
unsigned char *data, *ptr;
// get "Evdev Axis Calibration" property
property = xinput_parse_atom(display, "Evdev Axis Calibration");
if (XGetDeviceProperty(display, dev, property, 0, 1000, False,
AnyPropertyType, &act_type, &act_format,
&nitems, &bytes_after, &data) != Success)
{
XCloseDevice(display, dev);
XCloseDisplay(display);
throw WrongCalibratorException("Evdev: \"Evdev Axis Calibration\" property missing, not a (valid) evdev device");
} else {
if (act_format != 32 || act_type != XA_INTEGER) {
XCloseDevice(display, dev);
XCloseDisplay(display);
throw WrongCalibratorException("Evdev: invalid \"Evdev Axis Calibration\" property format");
} else if (use_valuator) {
int ndevices = 0, i, j;
XIDeviceInfo *info = XIQueryDevice(display, device_id, &ndevices);
if (ndevices != 1) {
XCloseDevice(display, dev);
XCloseDisplay(display);
throw WrongCalibratorException("Evdev: unknown Xinput device ID???");
}
for (i = 0; i < ndevices; i++) {
XIDeviceInfo *dev = &info[i];
for (j = 0; j < dev->num_classes; j++) {
switch(dev->classes[i]->type) {
case XIValuatorClass:
{
XIValuatorClassInfo *v = (XIValuatorClassInfo*)dev->classes[i];
/* Valuator 0 = X, Valuator 1 = Y, others are ignored */
switch (v->number) {
case 0:
old_axys.x.min = v->min;
old_axys.x.max = v->max;
old_axys.x.invert = false;
break;
case 1:
old_axys.y.min = v->min;
old_axys.y.max = v->max;
old_axys.y.invert = false;
break;
default:
break;
}
break;
}
default:
break;
}
}
}
XIFreeDeviceInfo(info);
if (verbose)
printf("DEBUG: Evdev Axis Calibration set to axis valuators\n");
(void) set_calibration(old_axys);
} else if (nitems == 0) {
if (verbose)
printf("DEBUG: Evdev Axis Calibration not set, setting to axis valuators to be sure.\n");
// No axis calibration set, set it to the default one
// QUIRK: when my machine resumes from a sleep,
// the calibration property is no longer exported through xinput, but still active
// not setting the values here would result in a wrong first calibration
(void) set_calibration(old_axys);
} else if (nitems > 0) {
ptr = data;
old_axys.x.min = *((long*)ptr);
ptr += sizeof(long);
old_axys.x.max = *((long*)ptr);
ptr += sizeof(long);
old_axys.y.min = *((long*)ptr);
ptr += sizeof(long);
old_axys.y.max = *((long*)ptr);
ptr += sizeof(long);
}
XFree(data);
}
// get "Evdev Axes Swap" property
property = xinput_parse_atom(display, "Evdev Axes Swap");
if (XGetDeviceProperty(display, dev, property, 0, 1000, False,
AnyPropertyType, &act_type, &act_format,
&nitems, &bytes_after, &data) == Success)
{
if (act_format == 8 && act_type == XA_INTEGER && nitems == 1) {
old_axys.swap_xy = *((char*)data);
if (verbose)
printf("DEBUG: Read axes swap value of %i.\n", old_axys.swap_xy);
}
}
// get "Evdev Axes Inversion" property
property = xinput_parse_atom(display, "Evdev Axis Inversion");
if (XGetDeviceProperty(display, dev, property, 0, 1000, False,
AnyPropertyType, &act_type, &act_format,
&nitems, &bytes_after, &data) == Success) {
if (act_format == 8 && act_type == XA_INTEGER && nitems == 2) {
old_axys.x.invert = *((char*)data++);
old_axys.y.invert = *((char*)data);
if (verbose)
printf("DEBUG: Read InvertX=%i, InvertY=%i.\n", old_axys.x.invert, old_axys.y.invert);
}
}
printf("Calibrating EVDEV driver for \"%s\" id=%i\n", device_name, (int)device_id);
printf("\tcurrent calibration values (from XInput): min_x=%d, max_x=%d and min_y=%d, max_y=%d\n",
old_axys.x.min, old_axys.x.max, old_axys.y.min, old_axys.y.max);
#endif // HAVE_XI_PROP
}
