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dix: don't search for grabbed devices, PickPointer does it for us now.

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Follow-up to 93ee338307.
This commit is contained in:
Peter Hutterer 2008-04-25 15:15:31 +09:30
parent 6198bad07e
commit b093bf3ec3
1 changed files with 8 additions and 149 deletions
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157
dix/events.c
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@ -1861,44 +1861,20 @@ AllowSome(ClientPtr client,
* Server-side protocol handling for AllowEvents request.
*
* Release some events from a frozen device.
*
* In some cases, the grab the client has is not on the ClientPointer but on
* some other device (see ProcGrabPointer comments). To cover this case, we
* need to run through all devices to ensure we don't forget the device we
* actually have a grab on.
*/
int
ProcAllowEvents(ClientPtr client)
{
TimeStamp time;
DeviceIntPtr mouse = NULL,
grabbed;
DeviceIntPtr mouse = NULL;
DeviceIntPtr keybd = NULL;
GrabPtr grab;
REQUEST(xAllowEventsReq);
REQUEST_SIZE_MATCH(xAllowEventsReq);
time = ClientTimeToServerTime(stuff->time);
for (grabbed = inputInfo.devices; grabbed; grabbed = grabbed->next)
{
grab = grabbed->deviceGrab.grab;
if (grab && grab->coreGrab && SameClient(grab, client))
{
if (IsPointerDevice(grabbed))
mouse = grabbed;
else if (IsKeyboardDevice(grabbed))
keybd = grabbed;
if (mouse && keybd)
break;
}
}
if (!mouse)
mouse = PickPointer(client);
if (!keybd)
keybd = PickKeyboard(client);
mouse = PickPointer(client);
keybd = PickKeyboard(client);
switch (stuff->mode)
{
@ -5061,12 +5037,6 @@ ProcGetInputFocus(ClientPtr client)
*
* Sets an active grab on the client's ClientPointer and returns success
* status to client.
*
* A special case of GrabPointer is when there is already a grab on some
* device (by the same client). In this case, this grab is overwritten, and
* the device stays as it is. This case can happen when a client has a passive
* grab and then grabs the pointer, or when the client already has an active
* grab and the ClientPointer was changed since.
*/
int
ProcGrabPointer(ClientPtr client)
@ -5080,7 +5050,6 @@ ProcGrabPointer(ClientPtr client)
TimeStamp time;
Mask access_mode = DixGrabAccess;
int rc;
DeviceIntPtr grabbed = NULL;
REQUEST_SIZE_MATCH(xGrabPointerReq);
UpdateCurrentTime();
@ -5144,20 +5113,6 @@ ProcGrabPointer(ClientPtr client)
rep.sequenceNumber = client->sequence;
rep.length = 0;
/* Check if a the client already has a grab on a device */
for(grabbed = inputInfo.devices; grabbed; grabbed = grabbed->next)
{
if (IsPointerDevice(grabbed))
{
grab = grabbed->deviceGrab.grab;
if (grab && grab->coreGrab && SameClient(grab, client))
{
device = grabbed;
break;
}
}
}
grab = device->deviceGrab.grab;
/* check for
1. other client has a grab on the device already.
@ -5219,15 +5174,11 @@ ProcGrabPointer(ClientPtr client)
*
* Changes properties of the grab hold by the client. If the client does not
* hold an active grab on the device, nothing happens.
*
* Works on the client's ClientPointer, but in some cases the client may have
* a grab on a device that isn't the ClientPointer (see ProcGrabPointer
* comments).
*/
int
ProcChangeActivePointerGrab(ClientPtr client)
{
DeviceIntPtr device, grabbed;
DeviceIntPtr device;
GrabPtr grab;
CursorPtr newCursor, oldCursor;
REQUEST(xChangeActivePointerGrabReq);
@ -5255,26 +5206,6 @@ ProcChangeActivePointerGrab(ClientPtr client)
device = PickPointer(client);
grab = device->deviceGrab.grab;
if (!grab || !SameClient(grab, client))
{
/* no grab on ClientPointer, or some other client has a grab on our
* ClientPointer, let's check if we have a pointer grab on some other
* device. */
for(grabbed = inputInfo.devices; grabbed; grabbed = grabbed->next)
{
if (IsPointerDevice(grabbed))
{
grab = grabbed->deviceGrab.grab;
if (grab && grab->coreGrab && SameClient(grab, client))
{
device = grabbed;
grab = device->deviceGrab.grab;
break;
}
}
}
}
if (!grab)
return Success;
if (!SameClient(grab, client))
@ -5297,17 +5228,12 @@ ProcChangeActivePointerGrab(ClientPtr client)
/**
* Server-side protocol handling for UngrabPointer request.
*
* Deletes a pointer grab on a device the client has grabbed. This should be
* the ClientPointer, but may not be. So we search the device list for a
* device we have a pointer grab on and then ungrab this device. (see
* ProcGrabPointer comments). We are guaranteed that the client doesn't have
* more than one core pointer grab at a time.
* Deletes a pointer grab on a device the client has grabbed.
*/
int
ProcUngrabPointer(ClientPtr client)
{
DeviceIntPtr device = PickPointer(client),
grabbed;
DeviceIntPtr device = PickPointer(client);
GrabPtr grab;
TimeStamp time;
REQUEST(xResourceReq);
@ -5316,30 +5242,6 @@ ProcUngrabPointer(ClientPtr client)
UpdateCurrentTime();
grab = device->deviceGrab.grab;
if (!grab || !grab->coreGrab || !SameClient(grab, client))
{
/* No pointer grab on ClientPointer. May be a pointer grab on some
* other device */
for(grabbed = inputInfo.devices; grabbed; grabbed = grabbed->next)
{
if (IsPointerDevice(grabbed))
{
grab = grabbed->deviceGrab.grab;
if (grab && grab->coreGrab && SameClient(grab, client))
{
device = grabbed;
break;
}
}
}
/* nope. no grab on any actual device */
if (!grabbed)
{
device = inputInfo.pointer;
grab = inputInfo.pointer->deviceGrab.grab;
}
}
time = ClientTimeToServerTime(stuff->id);
if ((CompareTimeStamps(time, currentTime) != LATER) &&
(CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
@ -5487,15 +5389,6 @@ RemoveOtherCoreGrabs(ClientPtr client, DeviceIntPtr dev)
* Server-side protocol handling for GrabKeyboard request.
*
* Grabs the client's keyboard and returns success status to client.
*
* In some special cases the client may already have a grab on a keyboard that
* is not the one that is paired with the ClientPointer. This can happen when
* the client alreay has a passive grab on some keyboard device, or when the
* client actively grabbed the keyboard and the ClientPointer or keyboard
* pairing was changed since.
* Therefore, we need to run through all the keyboards available and check if
* there's already a grab on it from our client. The client will only ever
* have one core keyboard grab at a time.
*/
int
ProcGrabKeyboard(ClientPtr client)
@ -5503,24 +5396,10 @@ ProcGrabKeyboard(ClientPtr client)
xGrabKeyboardReply rep;
REQUEST(xGrabKeyboardReq);
int result;
DeviceIntPtr keyboard = PickKeyboard(client),
grabbed;
GrabPtr grab;
DeviceIntPtr keyboard = PickKeyboard(client);
REQUEST_SIZE_MATCH(xGrabKeyboardReq);
for (grabbed = inputInfo.devices; grabbed; grabbed = grabbed->next)
{
if (IsKeyboardDevice(grabbed))
{
grab = grabbed->deviceGrab.grab;
if (grab && grab->coreGrab && SameClient(grab, client))
{
keyboard = grabbed;
break;
}
}
}
result = GrabDevice(client, keyboard, stuff->keyboardMode,
stuff->pointerMode, stuff->grabWindow,
stuff->ownerEvents, stuff->time,
@ -5542,16 +5421,11 @@ ProcGrabKeyboard(ClientPtr client)
* Server-side protocol handling for UngrabKeyboard request.
*
* Deletes a possible grab on the client's keyboard.
*
* We may have a grab on a keyboard that isn't the ClientPointer's keyboard.
* Thus we need to check all keyboar devices for a grab. (see ProcGrabKeyboard
* comments)
*/
int
ProcUngrabKeyboard(ClientPtr client)
{
DeviceIntPtr device = PickKeyboard(client),
grabbed;
DeviceIntPtr device = PickKeyboard(client);
GrabPtr grab;
TimeStamp time;
REQUEST(xResourceReq);
@ -5561,21 +5435,6 @@ ProcUngrabKeyboard(ClientPtr client)
grab = device->deviceGrab.grab;
if (!grab || !grab->coreGrab || !SameClient(grab, client))
{
for (grabbed = inputInfo.devices; grabbed; grabbed = grabbed->next)
{
if (IsKeyboardDevice(grabbed))
{
grab = device->deviceGrab.grab;
if (grab && grab->coreGrab && SameClient(grab, client))
{
device = grabbed;
break;
}
}
}
}
grab = device->deviceGrab.grab;
time = ClientTimeToServerTime(stuff->id);