static int
eventToBarrierEvent(BarrierEvent *ev, xEvent **xi)
{
xXIBarrierEvent *barrier;
int len = sizeof(xXIBarrierEvent);
*xi = calloc(1, len);
barrier = (xXIBarrierEvent*) *xi;
barrier->type = GenericEvent;
barrier->extension = IReqCode;
barrier->evtype = GetXI2Type(ev->type);
barrier->length = bytes_to_int32(len - sizeof(xEvent));
barrier->deviceid = ev->deviceid;
barrier->sourceid = ev->sourceid;
barrier->time = ev->time;
barrier->event = ev->window;
barrier->root = ev->root;
barrier->dx = double_to_fp3232(ev->dx);
barrier->dy = double_to_fp3232(ev->dy);
barrier->dtime = ev->dt;
barrier->flags = ev->flags;
barrier->eventid = ev->event_id;
barrier->barrier = ev->barrierid;
barrier->root_x = double_to_fp1616(ev->root_x);
barrier->root_y = double_to_fp1616(ev->root_y);
return Success;
}
int
ProcXIQueryPointer(ClientPtr client)
{
int rc;
xXIQueryPointerReply rep;
DeviceIntPtr pDev, kbd;
WindowPtr pWin, t;
SpritePtr pSprite;
XkbStatePtr state;
char *buttons = NULL;
int buttons_size = 0; /* size of buttons array */
XIClientPtr xi_client;
Bool have_xi22 = FALSE;
REQUEST(xXIQueryPointerReq);
REQUEST_SIZE_MATCH(xXIQueryPointerReq);
/* Check if client is compliant with XInput 2.2 or later. Earlier clients
* do not know about touches, so we must report emulated button presses. 2.2
* and later clients are aware of touches, so we don't include emulated
* button presses in the reply. */
xi_client = dixLookupPrivate(&client->devPrivates, XIClientPrivateKey);
if (version_compare(xi_client->major_version,
xi_client->minor_version, 2, 2) >= 0)
have_xi22 = TRUE;
rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixReadAccess);
if (rc != Success) {
client->errorValue = stuff->deviceid;
return rc;
}
if (pDev->valuator == NULL || IsKeyboardDevice(pDev) || (!IsMaster(pDev) && !IsFloating(pDev))) { /* no attached devices */
client->errorValue = stuff->deviceid;
return BadDevice;
}
rc = dixLookupWindow(&pWin, stuff->win, client, DixGetAttrAccess);
if (rc != Success) {
client->errorValue = stuff->win;
return rc;
}
if (pDev->valuator->motionHintWindow)
MaybeStopHint(pDev, client);
if (IsMaster(pDev))
kbd = GetMaster(pDev, MASTER_KEYBOARD);
else
kbd = (pDev->key) ? pDev : NULL;
pSprite = pDev->spriteInfo->sprite;
rep = (xXIQueryPointerReply) {
.repType = X_Reply,
.RepType = X_XIQueryPointer,
.sequenceNumber = client->sequence,
.length = 6,
.root = (GetCurrentRootWindow(pDev))->drawable.id,
.root_x = double_to_fp1616(pSprite->hot.x),
.root_y = double_to_fp1616(pSprite->hot.y),
.child = None
};
if (kbd) {
state = &kbd->key->xkbInfo->state;
rep.mods.base_mods = state->base_mods;
rep.mods.latched_mods = state->latched_mods;
rep.mods.locked_mods = state->locked_mods;
rep.group.base_group = state->base_group;
rep.group.latched_group = state->latched_group;
rep.group.locked_group = state->locked_group;
}
if (pDev->button) {
int i;
rep.buttons_len =
bytes_to_int32(bits_to_bytes(pDev->button->numButtons));
rep.length += rep.buttons_len;
buttons = calloc(rep.buttons_len, 4);
if (!buttons)
return BadAlloc;
buttons_size = rep.buttons_len * 4;
for (i = 1; i < pDev->button->numButtons; i++)
if (BitIsOn(pDev->button->down, i))
SetBit(buttons, pDev->button->map[i]);
if (!have_xi22 && pDev->touch && pDev->touch->buttonsDown > 0)
SetBit(buttons, pDev->button->map[1]);
}
else
rep.buttons_len = 0;
if (pSprite->hot.pScreen == pWin->drawable.pScreen) {
rep.same_screen = xTrue;
rep.win_x = double_to_fp1616(pSprite->hot.x - pWin->drawable.x);
rep.win_y = double_to_fp1616(pSprite->hot.y - pWin->drawable.y);
for (t = pSprite->win; t; t = t->parent)
if (t->parent == pWin) {
rep.child = t->drawable.id;
break;
}
}
else {
rep.same_screen = xFalse;
rep.win_x = 0;
rep.win_y = 0;
}
#ifdef PANORAMIX
if (!noPanoramiXExtension) {
rep.root_x += double_to_fp1616(screenInfo.screens[0]->x);
rep.root_y += double_to_fp1616(screenInfo.screens[0]->y);
if (stuff->win == rep.root) {
rep.win_x += double_to_fp1616(screenInfo.screens[0]->x);
rep.win_y += double_to_fp1616(screenInfo.screens[0]->y);
}
}
#endif
WriteReplyToClient(client, sizeof(xXIQueryPointerReply), &rep);
if (buttons)
WriteToClient(client, buttons_size, buttons);
free(buttons);
return Success;
}
/***********************************************************************
*
* This procedure writes the reply for the XIQueryPointer function,
* if the client and server have a different byte ordering.
*
*/
void
SRepXIQueryPointer(ClientPtr client, int size, xXIQueryPointerReply * rep)
{
swaps(&rep->sequenceNumber);
swapl(&rep->length);
swapl(&rep->root);
swapl(&rep->child);
swapl(&rep->root_x);
swapl(&rep->root_y);
swapl(&rep->win_x);
swapl(&rep->win_y);
swaps(&rep->buttons_len);
WriteToClient(client, size, rep);
}
static int
eventToDeviceEvent(DeviceEvent *ev, xEvent **xi)
{
int len = sizeof(xXIDeviceEvent);
xXIDeviceEvent *xde;
int i, btlen, vallen;
char *ptr;
FP3232 *axisval;
/* FIXME: this should just send the buttons we have, not MAX_BUTTONs. Same
* with MAX_VALUATORS below */
/* btlen is in 4 byte units */
btlen = bytes_to_int32(bits_to_bytes(MAX_BUTTONS));
len += btlen * 4; /* buttonmask len */
vallen =
count_bits(ev->valuators.mask,
sizeof(ev->valuators.mask) / sizeof(ev->valuators.mask[0]));
len += vallen * 2 * sizeof(uint32_t); /* axisvalues */
vallen = bytes_to_int32(bits_to_bytes(MAX_VALUATORS));
len += vallen * 4; /* valuators mask */
*xi = calloc(1, len);
xde = (xXIDeviceEvent *) * xi;
xde->type = GenericEvent;
xde->extension = IReqCode;
xde->evtype = GetXI2Type(ev->type);
xde->time = ev->time;
xde->length = bytes_to_int32(len - sizeof(xEvent));
if (IsTouchEvent((InternalEvent *) ev))
xde->detail = ev->touchid;
else
xde->detail = ev->detail.button;
xde->root = ev->root;
xde->buttons_len = btlen;
xde->valuators_len = vallen;
xde->deviceid = ev->deviceid;
xde->sourceid = ev->sourceid;
xde->root_x = double_to_fp1616(ev->root_x + ev->root_x_frac);
xde->root_y = double_to_fp1616(ev->root_y + ev->root_y_frac);
if (ev->type == ET_TouchUpdate)
xde->flags |= (ev->flags & TOUCH_PENDING_END) ? XITouchPendingEnd : 0;
else
xde->flags = ev->flags;
if (IsTouchEvent((InternalEvent *) ev) &&
ev->flags & TOUCH_POINTER_EMULATED)
xde->flags |= XITouchEmulatingPointer;
if (ev->key_repeat)
xde->flags |= XIKeyRepeat;
xde->mods.base_mods = ev->mods.base;
xde->mods.latched_mods = ev->mods.latched;
xde->mods.locked_mods = ev->mods.locked;
xde->mods.effective_mods = ev->mods.effective;
xde->group.base_group = ev->group.base;
xde->group.latched_group = ev->group.latched;
xde->group.locked_group = ev->group.locked;
xde->group.effective_group = ev->group.effective;
ptr = (char *) &xde[1];
for (i = 0; i < sizeof(ev->buttons) * 8; i++) {
if (BitIsOn(ev->buttons, i))
SetBit(ptr, i);
}
ptr += xde->buttons_len * 4;
axisval = (FP3232 *) (ptr + xde->valuators_len * 4);
for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++) {
if (BitIsOn(ev->valuators.mask, i)) {
SetBit(ptr, i);
*axisval = double_to_fp3232(ev->valuators.data[i]);
axisval++;
}
}
return Success;
}
