int main(int, char **)
{
// need XGenericEventCookie for XInput2 to work
Display *dpy = 0;
XEvent xevent;
if (XGetEventData(dpy, &xevent.xcookie)) {
XFreeEventData(dpy, &xevent.xcookie);
}
XIEvent *xievent;
xievent = 0;
XIDeviceEvent *xideviceevent;
xideviceevent = 0;
XIHierarchyEvent *xihierarchyevent;
xihierarchyevent = 0;
int deviceid = 0;
int len = 0;
Atom *atoms = XIListProperties(dpy, deviceid, &len);
if (atoms)
XFree(atoms);
return 0;
}
XlibTouchpad* XlibBackend::findTouchpad()
{
int nDevices = 0;
QScopedPointer<XDeviceInfo, DeviceListDeleter>
deviceInfo(XListInputDevices(m_display.data(), &nDevices));
for (XDeviceInfo *info = deviceInfo.data();
info < deviceInfo.data() + nDevices; info++)
{
// Make sure device is touchpad
if (info->type != m_touchpadAtom.atom()) {
continue;
}
int nProperties = 0;
QSharedPointer<Atom> properties(
XIListProperties(m_display.data(), info->id,
&nProperties), XDeleter);
Atom *atom = properties.data(), *atomEnd = properties.data() + nProperties;
for (; atom != atomEnd; atom++) {
if (*atom == m_libinputIdentifierAtom.atom()) {
return new LibinputTouchpad(m_display.data(), info->id);
} else if (*atom == m_synapticsIdentifierAtom.atom()) {
return new SynapticsTouchpad(m_display.data(), info->id);
}
}
}
return nullptr;
}
static int
list_props_xi2(Display *dpy, int argc, char** argv, char* name, char *desc)
{
XIDeviceInfo *info;
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 = xi2_find_device_info(dpy, argv[i]);
if (!info)
{
fprintf(stderr, "unable to find device %s\n", argv[i]);
continue;
}
props = XIListProperties(dpy, info->deviceid, &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_xi2(dpy, info->deviceid, props[nprops]);
}
XFree(props);
}
return EXIT_SUCCESS;
}
