From 219ae5b628f9ffe2be0876d5911cc04e52bef5f8 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 21 Aug 2009 16:38:53 +1000
Subject: dix: hide the sequenceNumber key repeat hack behind two functions.

Just in case we figure out a better way to do it in the future.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 dix/eventconvert.c | 36 ++++++++++++++++++++++++++++++++----
 dix/events.c       |  8 +++++---
 2 files changed, 37 insertions(+), 7 deletions(-)

(limited to 'dix')

diff --git a/dix/eventconvert.c b/dix/eventconvert.c
index 69d2f1fec..21eed40e1 100644
--- a/dix/eventconvert.c
+++ b/dix/eventconvert.c
@@ -55,6 +55,35 @@ static int eventToKeyButtonPointer(DeviceEvent *ev, xEvent **xi, int *count);
 static int eventToDeviceChanged(DeviceChangedEvent *ev, xEvent **dcce);
 static int eventToDeviceEvent(DeviceEvent *ev, xEvent **xi);
 static int eventToRawEvent(RawDeviceEvent *ev, xEvent **xi);
+
+/* Do not use, read comments below */
+BOOL EventIsKeyRepeat(xEvent *event);
+
+/**
+ * Hack to allow detectable autorepeat for core and XI1 events.
+ * The sequence number is unused until we send to the client and can be
+ * misused to store data. More or less, anyway.
+ *
+ * Do not use this. It may change any time without warning, eat your babies
+ * and piss on your cat.
+ */
+static void
+EventSetKeyRepeatFlag(xEvent *event, BOOL on)
+{
+    event->u.u.sequenceNumber = on;
+}
+
+/**
+ * Check if the event was marked as a repeat event before.
+ * NOTE: This is a nasty hack and should NOT be used by anyone else but
+ * TryClientEvents.
+ */
+BOOL
+EventIsKeyRepeat(xEvent *event)
+{
+    return !!event->u.u.sequenceNumber;
+}
+
 /**
  * Convert the given event to the respective core event.
  *
@@ -90,8 +119,7 @@ EventToCore(InternalEvent *event, xEvent *core)
                 core->u.keyButtonPointer.rootX = e->root_x;
                 core->u.keyButtonPointer.rootY = e->root_y;
                 core->u.keyButtonPointer.state = e->corestate;
-                if (e->type == ET_KeyPress && e->key_repeat)
-                    core->u.u.sequenceNumber = 1;
+                EventSetKeyRepeatFlag(core, (e->type == ET_KeyPress && e->key_repeat));
             }
             break;
         case ET_ProximityIn:
@@ -239,8 +267,8 @@ eventToKeyButtonPointer(DeviceEvent *ev, xEvent **xi, int *count)
     kbp->root_y   = ev->root_y;
     kbp->deviceid = ev->deviceid;
     kbp->state    = ev->corestate;
-    if (ev->type == ET_KeyPress && ev->key_repeat)
-        kbp->sequenceNumber = 1;
+    EventSetKeyRepeatFlag((xEvent*)kbp,
+                          (ev->type == ET_KeyPress && ev->key_repeat));
 
     if (num_events > 1)
         kbp->deviceid |= MORE_EVENTS;
diff --git a/dix/events.c b/dix/events.c
index 62eb6c225..90a2675c4 100644
--- a/dix/events.c
+++ b/dix/events.c
@@ -226,6 +226,9 @@ static Bool CheckPassiveGrabsOnWindow(WindowPtr pWin,
                                       DeviceEvent *event,
                                       BOOL checkCore);
 
+/** Key repeat hack. Do not use but in TryClientEvents */
+extern BOOL EventIsKeyRepeat(xEvent *event);
+
 /**
  * Main input device struct.
  *     inputInfo.pointer
@@ -1948,8 +1951,7 @@ TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
             return 1;
     } else if (type == KeyPress)
     {
-        /* sequenceNumber == 1 if autorepeat is set */
-        if (pEvents->u.u.sequenceNumber)
+        if (EventIsKeyRepeat(pEvents))
         {
             if (!_XkbWantsDetectableAutoRepeat(client))
             {
@@ -1970,7 +1972,7 @@ TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
 
     } else if (type == DeviceKeyPress)
     {
-        if (((deviceKeyButtonPointer *)pEvents)->sequenceNumber)
+        if (EventIsKeyRepeat(pEvents))
         {
             if (!_XkbWantsDetectableAutoRepeat(client))
             {
-- 
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