static int
attach_slave(ClientPtr client, xXIAttachSlaveInfo *c,
int flags[MAXDEVICES])
{
DeviceIntPtr dev;
DeviceIntPtr newmaster;
int rc;
rc = dixLookupDevice(&dev, c->deviceid, client, DixManageAccess);
if (rc != Success)
goto unwind;
if (IsMaster(dev))
{
client->errorValue = c->deviceid;
rc = BadDevice;
goto unwind;
}
/* Don't allow changes to XTest Devices, these are fixed */
if (IsXTestDevice(dev, NULL))
{
client->errorValue = c->deviceid;
rc = BadDevice;
goto unwind;
}
rc = dixLookupDevice(&newmaster, c->new_master, client, DixAddAccess);
if (rc != Success)
goto unwind;
if (!IsMaster(newmaster))
{
client->errorValue = c->new_master;
rc = BadDevice;
goto unwind;
}
if (!((IsPointerDevice(newmaster) && IsPointerDevice(dev)) ||
(IsKeyboardDevice(newmaster) && IsKeyboardDevice(dev))))
{
rc = BadDevice;
goto unwind;
}
ReleaseButtonsAndKeys(dev);
AttachDevice(client, dev, newmaster);
flags[dev->id] |= XISlaveAttached;
unwind:
return rc;
}
static void
AnimCurScreenBlockHandler (int screenNum,
pointer blockData,
pointer pTimeout,
pointer pReadmask)
{
ScreenPtr pScreen = screenInfo.screens[screenNum];
AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
DeviceIntPtr dev;
Bool activeDevice = FALSE;
CARD32 now = 0,
soonest = ~0; /* earliest time to wakeup again */
for (dev = inputInfo.devices; dev; dev = dev->next)
{
if (IsPointerDevice(dev) && pScreen == dev->spriteInfo->anim.pScreen)
{
if (!activeDevice) {
now = GetTimeInMillis ();
activeDevice = TRUE;
}
if ((INT32) (now - dev->spriteInfo->anim.time) >= 0)
{
AnimCurPtr ac = GetAnimCur(dev->spriteInfo->anim.pCursor);
int elt = (dev->spriteInfo->anim.elt + 1) % ac->nelt;
DisplayCursorProcPtr DisplayCursor;
/*
* Not a simple Unwrap/Wrap as this
* isn't called along the DisplayCursor
* wrapper chain.
*/
DisplayCursor = pScreen->DisplayCursor;
pScreen->DisplayCursor = as->DisplayCursor;
(void) (*pScreen->DisplayCursor) (dev,
pScreen,
ac->elts[elt].pCursor);
as->DisplayCursor = pScreen->DisplayCursor;
pScreen->DisplayCursor = DisplayCursor;
dev->spriteInfo->anim.elt = elt;
dev->spriteInfo->anim.time = now + ac->elts[elt].delay;
}
if (soonest > dev->spriteInfo->anim.time)
soonest = dev->spriteInfo->anim.time;
}
}
if (activeDevice)
AdjustWaitForDelay (pTimeout, soonest - now);
Unwrap (as, pScreen, BlockHandler);
(*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask);
if (activeDevice)
Wrap (as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
else
as->BlockHandler = NULL;
}
int GetDeviceUse(DeviceIntPtr dev, uint16_t *attachment)
{
DeviceIntPtr master = dev->u.master;
int use;
if (IsMaster(dev))
{
DeviceIntPtr paired = GetPairedDevice(dev);
use = IsPointerDevice(dev) ? XIMasterPointer : XIMasterKeyboard;
*attachment = (paired ? paired->id : 0);
} else if (master)
{
use = IsPointerDevice(master) ? XISlavePointer : XISlaveKeyboard;
*attachment = master->id;
} else
use = XIFloatingSlave;
return use;
}
static Bool
miPointerDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
{
miPointerPtr pPointer;
/* return for keyboards */
if (!IsPointerDevice(pDev))
return FALSE;
pPointer = MIPOINTER(pDev);
pPointer->pCursor = pCursor;
pPointer->pScreen = pScreen;
miPointerUpdateSprite(pDev);
return TRUE;
}
bool
LinuxInputDevice::Open(const char *path)
{
if (!fd.OpenReadOnly(path))
return false;
fd.SetNonBlocking();
io_loop.Add(fd.Get(), io_loop.READ, *this);
is_pointer = IsPointerDevice(fd.Get());
if (is_pointer)
merge.AddPointer();
rel_x = rel_y = 0;
down = false;
moving = pressing = releasing = false;
return true;
}
int ProcXIChangeCursor(ClientPtr client)
{
int rc;
WindowPtr pWin = NULL;
DeviceIntPtr pDev = NULL;
CursorPtr pCursor = NULL;
REQUEST(xXIChangeCursorReq);
REQUEST_SIZE_MATCH(xXIChangeCursorReq);
rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess);
if (rc != Success)
return rc;
if (!IsMaster(pDev) || !IsPointerDevice(pDev))
return BadDevice;
if (stuff->win != None)
{
rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess);
if (rc != Success)
return rc;
}
if (stuff->cursor == None)
{
if (pWin == pWin->drawable.pScreen->root)
pCursor = rootCursor;
else
pCursor = (CursorPtr)None;
}
else
{
rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor,
RT_CURSOR, client, DixUseAccess);
if (rc != Success)
return rc;
}
ChangeWindowDeviceCursor(pWin, pDev, pCursor);
return Success;
}
/*
* When the screen is reconfigured, move all pointers to the nearest
* CRTC
*/
void
RRPointerScreenConfigured(ScreenPtr pScreen)
{
WindowPtr pRoot;
ScreenPtr pCurrentScreen;
int x, y;
DeviceIntPtr pDev;
for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
if (IsPointerDevice(pDev)) {
pRoot = GetCurrentRootWindow(pDev);
pCurrentScreen = pRoot ? pRoot->drawable.pScreen : NULL;
if (pScreen == pCurrentScreen) {
GetSpritePosition(pDev, &x, &y);
RRPointerToNearestCrtc(pDev, pScreen, x, y, NULL);
}
}
}
}
bool
LinuxInputDevice::Open(const char *path)
{
FileDescriptor _fd;
if (!_fd.OpenReadOnly(path))
return false;
_fd.SetNonBlocking();
fd.assign(_fd.Get());
AsyncRead();
min_x = max_x = min_y = max_y = 0;
is_pointer = IsPointerDevice(fd.native_handle());
if (is_pointer) {
merge.AddPointer();
if (!IsKobo()) {
/* obtain touch screen information */
/* no need to do that on the Kobo, because we know its touch
screen is well-calibrated */
input_absinfo abs;
if (ioctl(fd.native_handle(), EVIOCGABS(ABS_X), &abs) == 0) {
min_x = abs.minimum;
max_x = abs.maximum;
}
if (ioctl(fd.native_handle(), EVIOCGABS(ABS_Y), &abs) == 0) {
min_y = abs.minimum;
max_y = abs.maximum;
}
}
}
rel_x = rel_y = rel_wheel = 0;
down = false;
moving = pressing = releasing = false;
return true;
}
Bool
xf86SwitchMode(ScreenPtr pScreen, DisplayModePtr mode)
{
ScrnInfoPtr pScr = XF86SCRNINFO(pScreen);
ScreenPtr pCursorScreen;
Bool Switched;
int px, py, was_blocked;
DeviceIntPtr dev, it;
if (!pScr->vtSema || !mode || !pScr->SwitchMode)
return FALSE;
#ifdef XFreeXDGA
if (DGAActive(pScr->scrnIndex))
return FALSE;
#endif
if (mode == pScr->currentMode)
return TRUE;
if (mode->HDisplay > pScr->virtualX || mode->VDisplay > pScr->virtualY)
return FALSE;
/* Let's take an educated guess for which pointer to take here. And about as
educated as it gets is to take the first pointer we find.
*/
for (dev = inputInfo.devices; dev; dev = dev->next)
{
if (IsPointerDevice(dev) && dev->spriteInfo->spriteOwner)
break;
}
pCursorScreen = miPointerGetScreen(dev);
if (pScreen == pCursorScreen)
miPointerGetPosition(dev, &px, &py);
was_blocked = xf86BlockSIGIO();
Switched = (*pScr->SwitchMode)(pScr->scrnIndex, mode, 0);
if (Switched) {
pScr->currentMode = mode;
/*
* Adjust frame for new display size.
* Frame is centered around cursor position if cursor is on same screen.
*/
if (pScreen == pCursorScreen)
pScr->frameX0 = px - (mode->HDisplay / 2) + 1;
else
pScr->frameX0 = (pScr->frameX0 + pScr->frameX1 + 1 - mode->HDisplay) / 2;
if (pScr->frameX0 < 0)
pScr->frameX0 = 0;
pScr->frameX1 = pScr->frameX0 + mode->HDisplay - 1;
if (pScr->frameX1 >= pScr->virtualX) {
pScr->frameX0 = pScr->virtualX - mode->HDisplay;
pScr->frameX1 = pScr->virtualX - 1;
}
if (pScreen == pCursorScreen)
pScr->frameY0 = py - (mode->VDisplay / 2) + 1;
else
pScr->frameY0 = (pScr->frameY0 + pScr->frameY1 + 1 - mode->VDisplay) / 2;
if (pScr->frameY0 < 0)
pScr->frameY0 = 0;
pScr->frameY1 = pScr->frameY0 + mode->VDisplay - 1;
if (pScr->frameY1 >= pScr->virtualY) {
pScr->frameY0 = pScr->virtualY - mode->VDisplay;
pScr->frameY1 = pScr->virtualY - 1;
}
}
xf86UnblockSIGIO(was_blocked);
if (pScr->AdjustFrame)
(*pScr->AdjustFrame)(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0);
/* The original code centered the frame around the cursor if possible.
* Since this is hard to achieve with multiple cursors, we do the following:
* - center around the first pointer
* - move all other pointers to the nearest edge on the screen (or leave
* them unmodified if they are within the boundaries).
*/
if (pScreen == pCursorScreen)
{
xf86WarpCursor(dev, pScreen, px, py);
}
for (it = inputInfo.devices; it; it = it->next)
{
if (it == dev)
continue;
if (IsPointerDevice(it) && it->spriteInfo->spriteOwner)
{
pCursorScreen = miPointerGetScreen(it);
if (pScreen == pCursorScreen)
{
miPointerGetPosition(it, &px, &py);
if (px < pScr->frameX0)
px = pScr->frameX0;
else if (px > pScr->frameX1)
px = pScr->frameX1;
if(py < pScr->frameY0)
py = pScr->frameY0;
else if(py > pScr->frameY1)
py = pScr->frameY1;
xf86WarpCursor(it, pScreen, px, py);
}
}
}
return Switched;
}
