int
ProcXUngrabDeviceButton(ClientPtr client)
{
DeviceIntPtr dev;
DeviceIntPtr mdev;
WindowPtr pWin;
GrabPtr temporaryGrab;
int rc;
REQUEST(xUngrabDeviceButtonReq);
REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq);
rc = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
if (rc != Success)
return rc;
if (dev->button == NULL)
return BadMatch;
if (stuff->modifier_device != UseXKeyboard) {
rc = dixLookupDevice(&mdev, stuff->modifier_device, client,
DixReadAccess);
if (rc != Success)
return BadDevice;
if (mdev->key == NULL)
return BadMatch;
}
else
mdev = PickKeyboard(client);
rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
if (rc != Success)
return rc;
if ((stuff->modifiers != AnyModifier) &&
(stuff->modifiers & ~AllModifiersMask))
return BadValue;
temporaryGrab = AllocGrab();
if (!temporaryGrab)
return BadAlloc;
temporaryGrab->resource = client->clientAsMask;
temporaryGrab->device = dev;
temporaryGrab->window = pWin;
temporaryGrab->type = DeviceButtonPress;
temporaryGrab->grabtype = XI;
temporaryGrab->modifierDevice = mdev;
temporaryGrab->modifiersDetail.exact = stuff->modifiers;
temporaryGrab->modifiersDetail.pMask = NULL;
temporaryGrab->detail.exact = stuff->button;
temporaryGrab->detail.pMask = NULL;
DeletePassiveGrabFromList(temporaryGrab);
FreeGrab(temporaryGrab);
return Success;
}
int
ProcXUngrabDeviceKey(ClientPtr client)
{
DeviceIntPtr dev;
DeviceIntPtr mdev;
WindowPtr pWin;
GrabRec temporaryGrab;
int rc;
REQUEST(xUngrabDeviceKeyReq);
REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
rc = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
if (rc != Success)
return rc;
if (dev->key == NULL)
return BadMatch;
if (stuff->modifier_device != UseXKeyboard) {
rc = dixLookupDevice(&mdev, stuff->modifier_device, client,
DixReadAccess);
if (rc != Success)
return BadDevice;
if (mdev->key == NULL)
return BadMatch;
} else
mdev = PickKeyboard(client);
rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
if (rc != Success)
return rc;
if (((stuff->key > dev->key->curKeySyms.maxKeyCode) ||
(stuff->key < dev->key->curKeySyms.minKeyCode))
&& (stuff->key != AnyKey))
return BadValue;
if ((stuff->modifiers != AnyModifier) &&
(stuff->modifiers & ~AllModifiersMask))
return BadValue;
temporaryGrab.resource = client->clientAsMask;
temporaryGrab.device = dev;
temporaryGrab.window = pWin;
temporaryGrab.type = DeviceKeyPress;
temporaryGrab.modifierDevice = mdev;
temporaryGrab.modifiersDetail.exact = stuff->modifiers;
temporaryGrab.modifiersDetail.pMask = NULL;
temporaryGrab.detail.exact = stuff->key;
temporaryGrab.detail.pMask = NULL;
DeletePassiveGrabFromList(&temporaryGrab);
return Success;
}
/**
* Prepend the new grab to the list of passive grabs on the window.
* Any previously existing grab that matches the new grab will be removed.
* Adding a new grab that would override another client's grab will result in
* a BadAccess.
*
* @return Success or X error code on failure.
*/
int
AddPassiveGrabToList(ClientPtr client, GrabPtr pGrab)
{
GrabPtr grab;
Mask access_mode = DixGrabAccess;
int rc;
for (grab = wPassiveGrabs(pGrab->window); grab; grab = grab->next)
{
if (GrabMatchesSecond(pGrab, grab, FALSE))
{
if (CLIENT_BITS(pGrab->resource) != CLIENT_BITS(grab->resource))
{
FreeGrab(pGrab);
return BadAccess;
}
}
}
if (pGrab->keyboardMode == GrabModeSync||pGrab->pointerMode == GrabModeSync)
access_mode |= DixFreezeAccess;
rc = XaceHook(XACE_DEVICE_ACCESS, client, pGrab->device, access_mode);
if (rc != Success)
return rc;
/* Remove all grabs that match the new one exactly */
for (grab = wPassiveGrabs(pGrab->window); grab; grab = grab->next)
{
if (GrabsAreIdentical(pGrab, grab))
{
DeletePassiveGrabFromList(grab);
break;
}
}
if (!pGrab->window->optional && !MakeWindowOptional (pGrab->window))
{
FreeGrab(pGrab);
return BadAlloc;
}
pGrab->next = pGrab->window->optional->passiveGrabs;
pGrab->window->optional->passiveGrabs = pGrab;
if (AddResource(pGrab->resource, RT_PASSIVEGRAB, (pointer)pGrab))
return Success;
return BadAlloc;
}
int
ProcXUngrabDeviceKey(ClientPtr client)
{
DeviceIntPtr dev;
DeviceIntPtr mdev;
WindowPtr pWin;
GrabRec temporaryGrab;
REQUEST(xUngrabDeviceKeyReq);
REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
dev = LookupDeviceIntRec(stuff->grabbed_device);
if (dev == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0, BadDevice);
return Success;
}
if (dev->key == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0, BadMatch);
return Success;
}
if (stuff->modifier_device != UseXKeyboard) {
mdev = LookupDeviceIntRec(stuff->modifier_device);
if (mdev == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0,
BadDevice);
return Success;
}
if (mdev->key == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0, BadMatch);
return Success;
}
} else
mdev = (DeviceIntPtr) LookupKeyboardDevice();
pWin = LookupWindow(stuff->grabWindow, client);
if (!pWin) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0, BadWindow);
return Success;
}
if (((stuff->key > dev->key->curKeySyms.maxKeyCode) ||
(stuff->key < dev->key->curKeySyms.minKeyCode))
&& (stuff->key != AnyKey)) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0, BadValue);
return Success;
}
if ((stuff->modifiers != AnyModifier) &&
(stuff->modifiers & ~AllModifiersMask)) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceKey, 0, BadValue);
return Success;
}
temporaryGrab.resource = client->clientAsMask;
temporaryGrab.device = dev;
temporaryGrab.window = pWin;
temporaryGrab.type = DeviceKeyPress;
temporaryGrab.modifierDevice = mdev;
temporaryGrab.modifiersDetail.exact = stuff->modifiers;
temporaryGrab.modifiersDetail.pMask = NULL;
temporaryGrab.detail.exact = stuff->key;
temporaryGrab.detail.pMask = NULL;
DeletePassiveGrabFromList(&temporaryGrab);
return Success;
}
int
ProcXIPassiveUngrabDevice(ClientPtr client)
{
DeviceIntPtr dev, mod_dev;
WindowPtr win;
GrabPtr tempGrab;
uint32_t *modifiers;
int i, rc;
REQUEST(xXIPassiveUngrabDeviceReq);
REQUEST_FIXED_SIZE(xXIPassiveUngrabDeviceReq,
((uint32_t) stuff->num_modifiers) << 2);
if (stuff->deviceid == XIAllDevices)
dev = inputInfo.all_devices;
else if (stuff->deviceid == XIAllMasterDevices)
dev = inputInfo.all_master_devices;
else {
rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
if (rc != Success)
return rc;
}
if (stuff->grab_type != XIGrabtypeButton &&
stuff->grab_type != XIGrabtypeKeycode &&
stuff->grab_type != XIGrabtypeEnter &&
stuff->grab_type != XIGrabtypeFocusIn &&
stuff->grab_type != XIGrabtypeTouchBegin) {
client->errorValue = stuff->grab_type;
return BadValue;
}
if ((stuff->grab_type == XIGrabtypeEnter ||
stuff->grab_type == XIGrabtypeFocusIn ||
stuff->grab_type == XIGrabtypeTouchBegin) && stuff->detail != 0) {
client->errorValue = stuff->detail;
return BadValue;
}
rc = dixLookupWindow(&win, stuff->grab_window, client, DixSetAttrAccess);
if (rc != Success)
return rc;
mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD);
tempGrab = AllocGrab(NULL);
if (!tempGrab)
return BadAlloc;
tempGrab->resource = client->clientAsMask;
tempGrab->device = dev;
tempGrab->window = win;
switch (stuff->grab_type) {
case XIGrabtypeButton:
tempGrab->type = XI_ButtonPress;
break;
case XIGrabtypeKeycode:
tempGrab->type = XI_KeyPress;
break;
case XIGrabtypeEnter:
tempGrab->type = XI_Enter;
break;
case XIGrabtypeFocusIn:
tempGrab->type = XI_FocusIn;
break;
case XIGrabtypeTouchBegin:
tempGrab->type = XI_TouchBegin;
break;
}
tempGrab->grabtype = XI2;
tempGrab->modifierDevice = mod_dev;
tempGrab->modifiersDetail.pMask = NULL;
tempGrab->detail.exact = stuff->detail;
tempGrab->detail.pMask = NULL;
modifiers = (uint32_t *) &stuff[1];
for (i = 0; i < stuff->num_modifiers; i++, modifiers++) {
tempGrab->modifiersDetail.exact = *modifiers;
DeletePassiveGrabFromList(tempGrab);
}
FreeGrab(tempGrab);
return Success;
}
int
ProcXIPassiveUngrabDevice(ClientPtr client)
{
DeviceIntPtr dev, mod_dev;
WindowPtr win;
GrabRec tempGrab;
uint32_t* modifiers;
int i, rc;
REQUEST(xXIPassiveUngrabDeviceReq);
REQUEST_AT_LEAST_SIZE(xXIPassiveUngrabDeviceReq);
rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
if (rc != Success)
return rc;
if (stuff->grab_type != XIGrabtypeButton &&
stuff->grab_type != XIGrabtypeKeycode &&
stuff->grab_type != XIGrabtypeEnter &&
stuff->grab_type != XIGrabtypeFocusIn)
{
client->errorValue = stuff->grab_type;
return BadValue;
}
if ((stuff->grab_type == XIGrabtypeEnter ||
stuff->grab_type == XIGrabtypeFocusIn) && stuff->detail != 0)
{
client->errorValue = stuff->detail;
return BadValue;
}
rc = dixLookupWindow(&win, stuff->grab_window, client, DixSetAttrAccess);
if (rc != Success)
return rc;
mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD);
tempGrab.resource = client->clientAsMask;
tempGrab.device = dev;
tempGrab.window = win;
switch(stuff->grab_type)
{
case XIGrabtypeButton: tempGrab.type = XI_ButtonPress; break;
case XIGrabtypeKeycode: tempGrab.type = XI_KeyPress; break;
case XIGrabtypeEnter: tempGrab.type = XI_Enter; break;
case XIGrabtypeFocusIn: tempGrab.type = XI_FocusIn; break;
}
tempGrab.grabtype = GRABTYPE_XI2;
tempGrab.modifierDevice = mod_dev;
tempGrab.modifiersDetail.pMask = NULL;
tempGrab.detail.exact = stuff->detail;
tempGrab.detail.pMask = NULL;
modifiers = (uint32_t*)&stuff[1];
for (i = 0; i < stuff->num_modifiers; i++, modifiers++)
{
tempGrab.modifiersDetail.exact = *modifiers;
DeletePassiveGrabFromList(&tempGrab);
}
return Success;
}
int
ProcXUngrabDeviceButton(ClientPtr client)
{
DeviceIntPtr dev;
DeviceIntPtr mdev;
WindowPtr pWin;
GrabRec temporaryGrab;
int rc;
REQUEST(xUngrabDeviceButtonReq);
REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq);
dev = LookupDeviceIntRec(stuff->grabbed_device);
if (dev == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0, BadDevice);
return Success;
}
if (dev->button == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0, BadMatch);
return Success;
}
if (stuff->modifier_device != UseXKeyboard) {
mdev = LookupDeviceIntRec(stuff->modifier_device);
if (mdev == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
BadDevice);
return Success;
}
if (mdev->key == NULL) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
BadMatch);
return Success;
}
} else
mdev = (DeviceIntPtr) LookupKeyboardDevice();
rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixUnknownAccess);
if (rc != Success) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0, rc);
return Success;
}
if ((stuff->modifiers != AnyModifier) &&
(stuff->modifiers & ~AllModifiersMask)) {
SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0, BadValue);
return Success;
}
temporaryGrab.resource = client->clientAsMask;
temporaryGrab.device = dev;
temporaryGrab.window = pWin;
temporaryGrab.type = DeviceButtonPress;
temporaryGrab.modifierDevice = mdev;
temporaryGrab.modifiersDetail.exact = stuff->modifiers;
temporaryGrab.modifiersDetail.pMask = NULL;
temporaryGrab.detail.exact = stuff->button;
temporaryGrab.detail.pMask = NULL;
DeletePassiveGrabFromList(&temporaryGrab);
return Success;
}
