static XDevice *
dp_get_device(Display * dpy)
{
XDevice *dev = NULL;
XDeviceInfo *info = NULL;
int ndevices = 0;
Atom touchpad_type = 0;
Atom synaptics_property = 0;
Atom *properties = NULL;
int nprops = 0;
int error = 0;
touchpad_type = XInternAtom(dpy, XI_TOUCHPAD, True);
synaptics_property = XInternAtom(dpy, SYNAPTICS_PROP_EDGES, True);
info = XListInputDevices(dpy, &ndevices);
while (ndevices--) {
if (info[ndevices].type == touchpad_type) {
dev = XOpenDevice(dpy, info[ndevices].id);
if (!dev) {
fprintf(stderr, "Failed to open device '%s'.\n",
info[ndevices].name);
error = 1;
goto unwind;
}
properties = XListDeviceProperties(dpy, dev, &nprops);
if (!properties || !nprops) {
fprintf(stderr, "No properties on device '%s'.\n",
info[ndevices].name);
error = 1;
goto unwind;
}
while (nprops--) {
if (properties[nprops] == synaptics_property)
break;
}
if (!nprops) {
fprintf(stderr, "No synaptics properties on device '%s'.\n",
info[ndevices].name);
error = 1;
goto unwind;
}
break; /* Yay, device is suitable */
}
}
unwind:
XFree(properties);
XFreeDeviceList(info);
if (!dev)
fprintf(stderr, "Unable to find a synaptics device.\n");
else if (error && dev) {
XCloseDevice(dpy, dev);
dev = NULL;
}
return dev;
}
static int
list_props_xi1(Display *dpy, int argc, char** argv, char* name, char *desc)
{
XDeviceInfo *info;
XDevice *dev;
int i;
int nprops;
Atom *props;
if (argc == 0)
{
fprintf(stderr, "Usage: xinput %s %s\n", name, desc);
return EXIT_FAILURE;
}
for (i = 0; i < argc; i++)
{
info = find_device_info(dpy, argv[i], False);
if (!info)
{
fprintf(stderr, "unable to find device %s\n", argv[i]);
continue;
}
dev = XOpenDevice(dpy, info->id);
if (!dev)
{
fprintf(stderr, "unable to open device '%s'\n", info->name);
continue;
}
props = XListDeviceProperties(dpy, dev, &nprops);
if (!nprops)
{
printf("Device '%s' does not report any properties.\n", info->name);
continue;
}
printf("Device '%s':\n", info->name);
while(nprops--)
{
print_property(dpy, dev, props[nprops]);
}
XFree(props);
XCloseDevice(dpy, dev);
}
return EXIT_SUCCESS;
}
