input: replace EventListPtr with InternalEvent array

EventListPtr is a relic from pre-1.6, when we had protocol events in the
event queue and thus events of varying size.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>

2 files changed, 12 insertions, 40 deletions

diff --git a/mi/mieq.c b/mi/mieq.c
index 3e6f93110..236ffcc3b 100644
--- a/mi/mieq.c
+++ b/mi/mieq.c
@@ -64,7 +64,7 @@ in this Software without prior written authorization from The Open Group.
 #define DequeueScreen(dev) dev->spriteInfo->sprite->pDequeueScreen
 
 typedef struct _Event {
-    EventListPtr    events;
+    InternalEvent*  events;
     ScreenPtr	    pScreen;
     DeviceIntPtr    pDev; /* device this event _originated_ from */
 } EventRec, *EventPtr;
@@ -111,7 +111,7 @@ mieqInit(void)
     for (i = 0; i < QUEUE_SIZE; i++)
     {
 	if (miEventQueue.events[i].events == NULL) {
-	    EventListPtr evlist = InitEventList(1);
+	    InternalEvent* evlist = InitEventList(1);
 	    if (!evlist)
 		FatalError("Could not allocate event queue.\n");
 	    miEventQueue.events[i].events = evlist;
@@ -146,7 +146,7 @@ void
 mieqEnqueue(DeviceIntPtr pDev, InternalEvent *e)
 {
     unsigned int           oldtail = miEventQueue.tail;
-    EventListPtr           evt;
+    InternalEvent*         evt;
     int                    isMotion = 0;
     int                    evlen;
     Time                   time;
@@ -188,21 +188,7 @@ mieqEnqueue(DeviceIntPtr pDev, InternalEvent *e)
 
     evlen = e->any.length;
     evt = miEventQueue.events[oldtail].events;
-    if (evt->evlen < evlen)
-    {
-        evt->evlen = evlen;
-        evt->event = realloc(evt->event, evt->evlen);
-        if (!evt->event)
-        {
-            ErrorF("[mi] Running out of memory. Tossing event.\n");
-#ifdef XQUARTZ
-            pthread_mutex_unlock(&miEventQueueMutex);
-#endif
-            return;
-        }
-    }
-
-    memcpy(evt->event, e, evlen);
+    memcpy(evt, e, evlen);
 
     time = e->any.time;
     /* Make sure that event times don't go backwards - this
@@ -211,7 +197,7 @@ mieqEnqueue(DeviceIntPtr pDev, InternalEvent *e)
         miEventQueue.lastEventTime - time < 10000)
         e->any.time = miEventQueue.lastEventTime;
 
-    miEventQueue.lastEventTime = ((InternalEvent*)evt->event)->any.time;
+    miEventQueue.lastEventTime = evt->any.time;
     miEventQueue.events[oldtail].pScreen = pDev ? EnqueueScreen(pDev) : NULL;
     miEventQueue.events[oldtail].pDev = pDev;
 
@@ -431,10 +417,8 @@ void
 mieqProcessInputEvents(void)
 {
     EventRec *e = NULL;
-    int evlen;
     ScreenPtr screen;
-    static InternalEvent *event = NULL;
-    static size_t event_size = 0;
+    static InternalEvent event;
     DeviceIntPtr dev = NULL,
                  master = NULL;
 
@@ -445,20 +429,7 @@ mieqProcessInputEvents(void)
     while (miEventQueue.head != miEventQueue.tail) {
         e = &miEventQueue.events[miEventQueue.head];
 
-        evlen   = e->events->evlen;
-        if(evlen > event_size)
-          {
-            event = realloc(event, evlen);
-            event_size = evlen;
-          }
-
-
-        if (!event)
-            FatalError("[mi] No memory left for event processing.\n");
-
-        memcpy(event, e->events->event, evlen);
-
-
+        event = *e->events;
         dev     = e->pDev;
         screen  = e->pScreen;
 
@@ -480,10 +451,10 @@ mieqProcessInputEvents(void)
             DPMSSet(serverClient, DPMSModeOn);
 #endif
 
-        mieqProcessDeviceEvent(dev, event, screen);
+        mieqProcessDeviceEvent(dev, &event, screen);
 
         /* Update the sprite now. Next event may be from different device. */
-        if (event->any.type == ET_Motion && master)
+        if (event.any.type == ET_Motion && master)
             miPointerUpdateSprite(dev);
 
 #ifdef XQUARTZ
diff --git a/mi/mipointer.c b/mi/mipointer.c
index db243810c..322be9e44 100644
--- a/mi/mipointer.c
+++ b/mi/mipointer.c
@@ -63,6 +63,7 @@ in this Software without prior written authorization from The Open Group.
 # include   "dixstruct.h"
 # include   "inputstr.h"
 # include   "inpututils.h"
+# include   "eventstr.h"
 
 DevPrivateKeyRec miPointerScreenKeyRec;
 
@@ -99,7 +100,7 @@ static void miPointerDeviceCleanup(DeviceIntPtr pDev,
                                    ScreenPtr pScreen);
 static void miPointerMoveNoEvent (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y);
 
-static EventList* events; /* for WarpPointer MotionNotifies */
+static InternalEvent* events; /* for WarpPointer MotionNotifies */
 
 Bool
 miPointerInitialize (ScreenPtr                  pScreen,
@@ -689,7 +690,7 @@ miPointerMove (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
     darwinEvents_lock();
 #endif
     for (i = 0; i < nevents; i++)
-        mieqEnqueue(pDev, (InternalEvent*)events[i].event);
+        mieqEnqueue(pDev, &events[i]);
 #ifdef XQUARTZ
     darwinEvents_unlock();
 #endif