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dix: always init the full button map to default values (#22594)

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Master devices must have the standard button map applied for all buttons to
ensure buttons larger than 7 (the default for MDs) are mapped appropriately.

We can't copy the button map from SDs to MDs since that breaks the chained
button mapping. However, by ensuring all buttons (even non-existing ones)
are mapped, devices that send such buttons continue to work.

X.Org Bug 22594 <http://bugs.freedesktop.org/show_bug.cgi?id=22594>

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2009-07-03 13:26:48 +10:00
parent 744bb55982
commit 183c075d2f
1 changed files with 2 additions and 0 deletions
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dix/devices.c
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@ -1172,6 +1172,8 @@ InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels,
butc->sourceid = dev->id;
for (i = 1; i <= numButtons; i++)
butc->map[i] = map[i];
for (i = numButtons + 1; i < MAP_LENGTH; i++)
butc->map[i] = i;
memcpy(butc->labels, labels, numButtons * sizeof(Atom));
dev->button = butc;
return TRUE;