Input: Fix proximity events with valuators

Initialise num_events to 1, so we always send a proximity event, and then
optionally valuator events.  Also make sure mieq can deal with valuator
events sent after proximity events.
(cherry picked from commit 2dcfab37d38c0c72e9be7cc724047405c8029e88)

2 files changed, 4 insertions, 2 deletions

diff --git a/dix/getevents.c b/dix/getevents.c
index b70653da7..12d8189f3 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -705,7 +705,7 @@ _X_EXPORT int
 GetProximityEvents(xEvent *events, DeviceIntPtr pDev, int type,
                    int first_valuator, int num_valuators, int *valuators)
 {
-    int num_events = 0;
+    int num_events = 1;
     deviceKeyButtonPointer *kbp = (deviceKeyButtonPointer *) events;
 
     /* Sanity checks. */
diff --git a/mi/mieq.c b/mi/mieq.c
index 20c4b6201..e644090ad 100644
--- a/mi/mieq.c
+++ b/mi/mieq.c
@@ -128,7 +128,9 @@ mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
         if (oldtail == miEventQueue.head ||
             !(lastkbp->type == DeviceMotionNotify ||
               lastkbp->type == DeviceButtonPress ||
-              lastkbp->type == DeviceButtonRelease) ||
+              lastkbp->type == DeviceButtonRelease ||
+              lastkbp->type == ProximityIn ||
+              lastkbp->type == ProximityOut) ||
             ((lastkbp->deviceid & DEVICE_BITS) !=
              (v->deviceid & DEVICE_BITS))) {
             ErrorF("mieqEnequeue: out-of-order valuator event; dropping.\n");