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-rw-r--r--Xi/exevents.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/Xi/exevents.c b/Xi/exevents.c
index 7afb69e24..053c76f22 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -1103,6 +1103,8 @@ SetScrollValuator(DeviceIntPtr dev, int axnum, enum ScrollType type, double incr
{
AxisInfoPtr ax;
int *current_ax;
+ InternalEvent dce;
+ DeviceIntPtr master;
if (!dev || !dev->valuator || axnum >= dev->valuator->numAxes)
return FALSE;
@@ -1139,7 +1141,16 @@ SetScrollValuator(DeviceIntPtr dev, int axnum, enum ScrollType type, double incr
ax->scroll.type = type;
ax->scroll.increment = increment;
ax->scroll.flags = flags;
- /* FIXME: generate DeviceChanged Events */
+
+ master = GetMaster(dev, MASTER_ATTACHED);
+ CreateClassesChangedEvent(&dce, master, dev, DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE);
+ XISendDeviceChangedEvent(dev, &dce.changed_event);
+
+ /* if the current slave is us, update the master. If not, we'll update
+ * whenever the next slave switch happens anyway. CMDC sends the event
+ * for us */
+ if (master && master->lastSlave == dev)
+ ChangeMasterDeviceClasses(master, &dce.changed_event);
return TRUE;
}