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Xi: set per-device hierarchy changed flags.

Browse source 
Rather than have one field per hierarchy change, XI2 has two fields - one
generic one and one per-device that include the device-specific flags.
This requires some funky handling for removed devices, but oh well.
This commit is contained in:
Peter Hutterer 2009-05-12 14:50:57 +10:00
commit 033a2b12fc
3 changed files with 73 additions and 15 deletions
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65
Xi/chdevhier.c
View file

@ -59,25 +59,25 @@ extern DevPrivateKey XTstDevicePrivateKey;
/**
* Send the current state of the device hierarchy to all clients.
*/
void XISendDeviceHierarchyEvent(int flags)
void XISendDeviceHierarchyEvent(int flags[MAXDEVICES])
{
xXIDeviceHierarchyEvent *ev;
xXIHierarchyInfo *info;
DeviceIntRec dummyDev;
DeviceIntPtr dev;
int i;
if (!flags)
return;
ev = xcalloc(1, sizeof(xXIDeviceHierarchyEvent) + inputInfo.numDevices *
sizeof(xXIHierarchyInfo));
ev = xcalloc(1, sizeof(xXIDeviceHierarchyEvent) +
MAXDEVICES * sizeof(xXIHierarchyInfo));
ev->type = GenericEvent;
ev->extension = IReqCode;
ev->evtype = XI_HierarchyChanged;
ev->time = GetTimeInMillis();
ev->flags = flags;
ev->flags = 0;
ev->num_devices = inputInfo.numDevices;
ev->length = (ev->num_devices * sizeof(xXIHierarchyInfo))/4;
info = (xXIHierarchyInfo*)&ev[1];
for (dev = inputInfo.devices; dev; dev = dev->next)
@ -85,6 +85,8 @@ void XISendDeviceHierarchyEvent(int flags)
info->deviceid = dev->id;
info->enabled = dev->enabled;
info->use = GetDeviceUse(dev, &info->attachment);
info->flags = flags[dev->id];
ev->flags |= info->flags;
info++;
}
for (dev = inputInfo.off_devices; dev; dev = dev->next)
@ -92,9 +94,28 @@ void XISendDeviceHierarchyEvent(int flags)
info->deviceid = dev->id;
info->enabled = dev->enabled;
info->use = GetDeviceUse(dev, &info->attachment);
info->flags = flags[dev->id];
ev->flags |= info->flags;
info++;
}
for (i = 0; i < MAXDEVICES; i++)
{
if (flags[i] & (XIMasterRemoved | XISlaveRemoved))
{
info->deviceid = i;
info->enabled = FALSE;
info->flags = flags[i];
info->use = 0;
ev->flags |= info->flags;
ev->num_devices++;
info++;
}
}
ev->length = (ev->num_devices * sizeof(xXIHierarchyInfo))/4;
dummyDev.id = XIAllDevices;
SendEventToAllWindows(&dummyDev, (XI_HierarchyChangedMask >> 8), (xEvent*)ev, 1);
}
@ -126,7 +147,7 @@ ProcXIChangeDeviceHierarchy(ClientPtr client)
int required_len = sizeof(xXIChangeDeviceHierarchyReq);
char n;
int rc = Success;
int flags = 0;
int flags[MAXDEVICES] = {0};
REQUEST(xXIChangeDeviceHierarchyReq);
REQUEST_AT_LEAST_SIZE(xXIChangeDeviceHierarchyReq);
@ -177,24 +198,35 @@ ProcXIChangeDeviceHierarchy(ClientPtr client)
ActivateDevice(ptr);
ActivateDevice(keybd);
flags[ptr->id] |= XIMasterAdded;
flags[keybd->id] |= XIMasterAdded;
ActivateDevice(xtstptr);
ActivateDevice(xtstkeybd);
flags[xtstptr->id] |= XISlaveAdded;
flags[xtstkeybd->id] |= XISlaveAdded;
if (c->enable)
{
EnableDevice(ptr);
EnableDevice(keybd);
flags[ptr->id] |= XIDeviceEnabled;
flags[keybd->id] |= XIDeviceEnabled;
EnableDevice(xtstptr);
EnableDevice(xtstkeybd);
flags[xtstptr->id] |= XIDeviceEnabled;
flags[xtstkeybd->id] |= XIDeviceEnabled;
}
/* Attach the XTest virtual devices to the newly
created master device */
AttachDevice(NULL, xtstptr, ptr);
AttachDevice(NULL, xtstkeybd, keybd);
flags[xtstptr->id] |= XISlaveAttached;
flags[xtstkeybd->id] |= XISlaveAttached;
xfree(name);
flags |= XIMasterAdded;
}
break;
case XIRemoveMasterDevice:
@ -336,9 +368,15 @@ ProcXIChangeDeviceHierarchy(ClientPtr client)
{
if (!attached->isMaster) {
if (attached->u.master == ptr)
{
AttachDevice(client, attached, newptr);
flags[attached->id] |= XISlaveAttached;
}
if (attached->u.master == keybd)
{
AttachDevice(client, attached, newkeybd);
flags[attached->id] |= XISlaveAttached;
}
}
}
}
@ -355,12 +393,19 @@ ProcXIChangeDeviceHierarchy(ClientPtr client)
DisableDevice(xtstkeybd);
DisableDevice(keybd);
DisableDevice(ptr);
flags[xtstptr->id] |= XIDeviceDisabled | XISlaveDetached;
flags[xtstkeybd->id] |= XIDeviceDisabled | XISlaveDetached;
flags[keybd->id] |= XIDeviceDisabled;
flags[ptr->id] |= XIDeviceDisabled;
RemoveDevice(xtstptr);
RemoveDevice(xtstkeybd);
RemoveDevice(keybd);
RemoveDevice(ptr);
flags |= XIMasterRemoved;
flags[xtstptr->id] |= XISlaveRemoved;
flags[xtstkeybd->id] |= XISlaveRemoved;
flags[keybd->id] |= XIMasterRemoved;
flags[ptr->id] |= XIMasterRemoved;
}
break;
case XIDetachSlave:
@ -392,7 +437,7 @@ ProcXIChangeDeviceHierarchy(ClientPtr client)
}
AttachDevice(client, ptr, NULL);
flags |= XISlaveDetached;
flags[ptr->id] |= XISlaveDetached;
}
break;
case XIAttachSlave:
@ -444,7 +489,7 @@ ProcXIChangeDeviceHierarchy(ClientPtr client)
goto unwind;
}
AttachDevice(client, ptr, newmaster);
flags |= XISlaveAttached;
flags[ptr->id] |= XISlaveAttached;
}
break;
}

2
Xi/chdevhier.h
View file

@ -39,6 +39,6 @@
int SProcXIChangeDeviceHierarchy(ClientPtr /* client */);
int ProcXIChangeDeviceHierarchy(ClientPtr /* client */);
void XISendDeviceHierarchyEvent(int flags);
void XISendDeviceHierarchyEvent(int flags[]);
#endif