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;
}
static int
appendScrollInfo(DeviceChangedEvent *dce, xXIScrollInfo *info, int axisnumber)
{
if (dce->valuators[axisnumber].scroll.type == SCROLL_TYPE_NONE)
return 0;
info->type = XIScrollClass;
info->length = sizeof(xXIScrollInfo)/4;
info->number = axisnumber;
switch(dce->valuators[axisnumber].scroll.type)
{
case SCROLL_TYPE_VERTICAL:
info->scroll_type = XIScrollTypeVertical;
break;
case SCROLL_TYPE_HORIZONTAL:
info->scroll_type = XIScrollTypeHorizontal;
break;
default:
ErrorF("[Xi] Unknown scroll type %d. This is a bug.\n", dce->valuators[axisnumber].scroll.type);
break;
}
info->increment = double_to_fp3232(dce->valuators[axisnumber].scroll.increment);
info->sourceid = dce->sourceid;
info->flags = 0;
if (dce->valuators[axisnumber].scroll.flags & SCROLL_FLAG_DONT_EMULATE)
info->flags |= XIScrollFlagNoEmulation;
if (dce->valuators[axisnumber].scroll.flags & SCROLL_FLAG_PREFERRED)
info->flags |= XIScrollFlagPreferred;
return info->length * 4;
}
static int
eventToRawEvent(RawDeviceEvent *ev, xEvent **xi)
{
xXIRawEvent* raw;
int vallen, nvals;
int i, len = sizeof(xXIRawEvent);
char *ptr;
FP3232 *axisval, *axisval_raw;
nvals = count_bits(ev->valuators.mask, sizeof(ev->valuators.mask));
len += nvals * sizeof(FP3232) * 2; /* 8 byte per valuator, once
raw, once processed */
vallen = bytes_to_int32(bits_to_bytes(MAX_VALUATORS));
len += vallen * 4; /* valuators mask */
*xi = calloc(1, len);
raw = (xXIRawEvent*)*xi;
raw->type = GenericEvent;
raw->extension = IReqCode;
raw->evtype = GetXI2Type(ev->type);
raw->time = ev->time;
raw->length = bytes_to_int32(len - sizeof(xEvent));
raw->detail = ev->detail.button;
raw->deviceid = ev->deviceid;
raw->sourceid = ev->sourceid;
raw->valuators_len = vallen;
raw->flags = ev->flags;
ptr = (char*)&raw[1];
axisval = (FP3232*)(ptr + raw->valuators_len * 4);
axisval_raw = axisval + nvals;
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_raw = double_to_fp3232(ev->valuators.data_raw[i]);
axisval++;
axisval_raw++;
}
}
return Success;
}
int
ListScrollInfo(DeviceIntPtr dev, xXIScrollInfo * info, int axisnumber)
{
ValuatorClassPtr v = dev->valuator;
AxisInfoPtr axis = &v->axes[axisnumber];
if (axis->scroll.type == SCROLL_TYPE_NONE)
return 0;
info->type = XIScrollClass;
info->length = sizeof(xXIScrollInfo) / 4;
info->number = axisnumber;
switch (axis->scroll.type) {
case SCROLL_TYPE_VERTICAL:
info->scroll_type = XIScrollTypeVertical;
break;
case SCROLL_TYPE_HORIZONTAL:
info->scroll_type = XIScrollTypeHorizontal;
break;
default:
ErrorF("[Xi] Unknown scroll type %d. This is a bug.\n",
axis->scroll.type);
break;
}
info->increment = double_to_fp3232(axis->scroll.increment);
info->sourceid = v->sourceid;
info->flags = 0;
if (axis->scroll.flags & SCROLL_FLAG_DONT_EMULATE)
info->flags |= XIScrollFlagNoEmulation;
if (axis->scroll.flags & SCROLL_FLAG_PREFERRED)
info->flags |= XIScrollFlagPreferred;
return info->length * 4;
}
/**
* List axis information for the given axis.
*
* @return The number of bytes written into info.
*/
int
ListValuatorInfo(DeviceIntPtr dev, xXIValuatorInfo * info, int axisnumber,
Bool reportState)
{
ValuatorClassPtr v = dev->valuator;
info->type = ValuatorClass;
info->length = sizeof(xXIValuatorInfo) / 4;
info->label = v->axes[axisnumber].label;
info->min.integral = v->axes[axisnumber].min_value;
info->min.frac = 0;
info->max.integral = v->axes[axisnumber].max_value;
info->max.frac = 0;
info->value = double_to_fp3232(v->axisVal[axisnumber]);
info->resolution = v->axes[axisnumber].resolution;
info->number = axisnumber;
info->mode = valuator_get_mode(dev, axisnumber);
info->sourceid = v->sourceid;
if (!reportState)
info->value = info->min;
return info->length * 4;
}
static void test_values_XIRawEvent(RawDeviceEvent *in, xXIRawEvent *out,
BOOL swap)
{
int i;
unsigned char *ptr;
FP3232 *value, *raw_value;
int nvals = 0;
int bits_set;
int len;
uint32_t flagmask = 0;
if (swap)
{
swaps(&out->sequenceNumber);
swapl(&out->length);
swaps(&out->evtype);
swaps(&out->deviceid);
swapl(&out->time);
swapl(&out->detail);
swaps(&out->valuators_len);
swapl(&out->flags);
}
assert(out->type == GenericEvent);
assert(out->extension == 0); /* IReqCode defaults to 0 */
assert(out->evtype == GetXI2Type((InternalEvent*)in));
assert(out->time == in->time);
assert(out->detail == in->detail.button);
assert(out->deviceid == in->deviceid);
assert(out->valuators_len >= bytes_to_int32(bits_to_bytes(sizeof(in->valuators.mask))));
switch (in->type) {
case ET_RawMotion:
case ET_RawButtonPress:
case ET_RawButtonRelease:
flagmask = XIPointerEmulated;
break;
default:
flagmask = 0;
}
assert((out->flags & ~flagmask) == 0);
ptr = (unsigned char*)&out[1];
bits_set = 0;
for (i = 0; out->valuators_len && i < sizeof(in->valuators.mask) * 8; i++)
{
if (i >= MAX_VALUATORS)
assert (!XIMaskIsSet(in->valuators.mask, i));
assert (XIMaskIsSet(in->valuators.mask, i) == XIMaskIsSet(ptr, i));
if (XIMaskIsSet(in->valuators.mask, i))
bits_set++;
}
/* length is len of valuator mask (in 4-byte units) + the number of bits
* set. Each bit set represents 2 8-byte values, hence the
* 'bits_set * 4' */
len = out->valuators_len + bits_set * 4;
assert(out->length == len);
nvals = 0;
for (i = 0; out->valuators_len && i < MAX_VALUATORS; i++)
{
assert (XIMaskIsSet(in->valuators.mask, i) == XIMaskIsSet(ptr, i));
if (XIMaskIsSet(in->valuators.mask, i))
{
FP3232 vi, vo;
value = (FP3232*)(((unsigned char*)&out[1]) + out->valuators_len * 4);
value += nvals;
vi = double_to_fp3232(in->valuators.data[i]);
vo.integral = value->integral;
vo.frac = value->frac;
if (swap)
{
swapl(&vo.integral);
swapl(&vo.frac);
}
assert(vi.integral == vo.integral);
assert(vi.frac == vo.frac);
raw_value = value + bits_set;
vi = double_to_fp3232(in->valuators.data_raw[i]);
vo.integral = raw_value->integral;
vo.frac = raw_value->frac;
if (swap)
{
swapl(&vo.integral);
swapl(&vo.frac);
}
assert(vi.integral == vo.integral);
assert(vi.frac == vo.frac);
nvals++;
}
}
}
static void test_values_XIDeviceEvent(DeviceEvent *in, xXIDeviceEvent *out,
BOOL swap)
{
int buttons, valuators;
int i;
unsigned char *ptr;
uint32_t flagmask = 0;
FP3232 *values;
if (swap) {
swaps(&out->sequenceNumber);
swapl(&out->length);
swaps(&out->evtype);
swaps(&out->deviceid);
swaps(&out->sourceid);
swapl(&out->time);
swapl(&out->detail);
swapl(&out->root);
swapl(&out->event);
swapl(&out->child);
swapl(&out->root_x);
swapl(&out->root_y);
swapl(&out->event_x);
swapl(&out->event_y);
swaps(&out->buttons_len);
swaps(&out->valuators_len);
swapl(&out->mods.base_mods);
swapl(&out->mods.latched_mods);
swapl(&out->mods.locked_mods);
swapl(&out->mods.effective_mods);
swapl(&out->flags);
}
assert(out->extension == 0); /* IReqCode defaults to 0 */
assert(out->evtype == GetXI2Type((InternalEvent*)in));
assert(out->time == in->time);
assert(out->detail == in->detail.button);
assert(out->length >= 12);
assert(out->deviceid == in->deviceid);
assert(out->sourceid == in->sourceid);
switch (in->type) {
case ET_ButtonPress:
case ET_Motion:
case ET_ButtonRelease:
flagmask = XIPointerEmulated;
break;
case ET_KeyPress:
flagmask = XIKeyRepeat;
break;
default:
flagmask = 0;
break;
}
assert((out->flags & ~flagmask) == 0);
assert(out->root == in->root);
assert(out->event == None); /* set in FixUpEventFromWindow */
assert(out->child == None); /* set in FixUpEventFromWindow */
assert(out->mods.base_mods == in->mods.base);
assert(out->mods.latched_mods == in->mods.latched);
assert(out->mods.locked_mods == in->mods.locked);
assert(out->mods.effective_mods == in->mods.effective);
assert(out->group.base_group == in->group.base);
assert(out->group.latched_group == in->group.latched);
assert(out->group.locked_group == in->group.locked);
assert(out->group.effective_group == in->group.effective);
assert(out->event_x == 0); /* set in FixUpEventFromWindow */
assert(out->event_y == 0); /* set in FixUpEventFromWindow */
assert(out->root_x == FP1616(in->root_x, in->root_x_frac));
assert(out->root_y == FP1616(in->root_y, in->root_y_frac));
buttons = 0;
for (i = 0; i < bits_to_bytes(sizeof(in->buttons)); i++)
{
if (XIMaskIsSet(in->buttons, i))
{
assert(out->buttons_len >= bytes_to_int32(bits_to_bytes(i)));
buttons++;
}
}
ptr = (unsigned char*)&out[1];
for (i = 0; i < sizeof(in->buttons) * 8; i++)
assert(XIMaskIsSet(in->buttons, i) == XIMaskIsSet(ptr, i));
valuators = 0;
for (i = 0; i < MAX_VALUATORS; i++)
if (XIMaskIsSet(in->valuators.mask, i))
valuators++;
assert(out->valuators_len >= bytes_to_int32(bits_to_bytes(valuators)));
ptr += out->buttons_len * 4;
values = (FP3232*)(ptr + out->valuators_len * 4);
for (i = 0; i < sizeof(in->valuators.mask) * 8 ||
i < (out->valuators_len * 4) * 8; i++)
{
if (i >= MAX_VALUATORS)
assert(!XIMaskIsSet(in->valuators.mask, i) && !XIMaskIsSet(ptr, i));
else if (i > sizeof(in->valuators.mask) * 8)
assert(!XIMaskIsSet(ptr, i));
else if (i > out->valuators_len * 4 * 8)
assert(!XIMaskIsSet(in->valuators.mask, i));
else {
assert(XIMaskIsSet(in->valuators.mask, i) ==
XIMaskIsSet(ptr, i));
if (XIMaskIsSet(ptr, i))
{
FP3232 vi, vo;
vi = double_to_fp3232(in->valuators.data[i]);
vo = *values;
if (swap)
{
swapl(&vo.integral);
swapl(&vo.frac);
}
assert(vi.integral == vo.integral);
assert(vi.frac == vo.frac);
values++;
}
}
}
}
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 = FP1616(ev->root_x, ev->root_x_frac);
xde->root_y = 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;
}