From 6458bfe7847614d3f0eba0d738dfb60795983d9c Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 1 Aug 2008 16:42:15 +0930
Subject: [PATCH] xkb: ProcXkbSetDeviceInfo should work on all attached SDs.

If called with XkbUseCoreKbd, run through all attached SDs and replicate the
call. This way, we keep the SDs in sync with the MD as long as core clients
control the MDs.
---
 xkb/xkb.c | 106 +++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 89 insertions(+), 17 deletions(-)

diff --git a/xkb/xkb.c b/xkb/xkb.c
index ff6a47128..56be6e2ab 100644
--- a/xkb/xkb.c
+++ b/xkb/xkb.c
@@ -6413,25 +6413,15 @@ DeviceIntPtr			kbd;
     return (char *)ledWire;
 }
 
-/* FIXME: Needs to set info on all core-sending devices. */
-int
-ProcXkbSetDeviceInfo(ClientPtr client)
+
+static int
+_XkbSetDeviceInfo(ClientPtr client, DeviceIntPtr dev,
+                  xkbSetDeviceInfoReq *stuff)
 {
-DeviceIntPtr		dev;
-unsigned		change;
-char *			wire;
-xkbExtensionDeviceNotify ed;
+    unsigned                    change;
+    char                       *wire;
 
-    REQUEST(xkbSetDeviceInfoReq);
-    REQUEST_AT_LEAST_SIZE(xkbSetDeviceInfoReq);
-
-    if (!(client->xkbClientFlags&_XkbClientInitialized))
-	return BadAccess;
-
-    change= stuff->change;
-
-    CHK_ANY_DEVICE(dev, stuff->deviceSpec, client, DixManageAccess);
-    CHK_MASK_LEGAL(0x01,change,XkbXI_AllFeaturesMask);
+    change = stuff->change;
 
     wire= (char *)&stuff[1];
     if (change&XkbXI_ButtonActionsMask) {
@@ -6456,6 +6446,17 @@ xkbExtensionDeviceNotify ed;
     if (((wire-((char *)stuff))/4)!=stuff->length)
 	return BadLength;
 
+    return Success;
+}
+
+static int
+_XkbSetDeviceInfoCheck(ClientPtr client, DeviceIntPtr dev,
+                       xkbSetDeviceInfoReq *stuff)
+{
+    unsigned                    change;
+    char                       *wire;
+    xkbExtensionDeviceNotify    ed;
+
     bzero((char *)&ed,SIZEOF(xkbExtensionDeviceNotify));
     ed.deviceID=	dev->id;
     wire= (char *)&stuff[1];
@@ -6496,6 +6497,77 @@ xkbExtensionDeviceNotify ed;
     }
     if ((stuff->change)&&(ed.reason))
 	XkbSendExtensionDeviceNotify(dev,client,&ed);
+    return Success;
+}
+
+int
+ProcXkbSetDeviceInfo(ClientPtr client)
+{
+    unsigned int        change;
+    DeviceIntPtr        dev;
+    int                 rc;
+
+    REQUEST(xkbSetDeviceInfoReq);
+    REQUEST_AT_LEAST_SIZE(xkbSetDeviceInfoReq);
+
+    if (!(client->xkbClientFlags&_XkbClientInitialized))
+	return BadAccess;
+
+    change = stuff->change;
+
+    CHK_ANY_DEVICE(dev, stuff->deviceSpec, client, DixManageAccess);
+    CHK_MASK_LEGAL(0x01,change,XkbXI_AllFeaturesMask);
+
+    rc = _XkbSetDeviceInfoCheck(client, dev, stuff);
+
+    if (rc != Success)
+        return rc;
+
+    if (stuff->deviceSpec == XkbUseCoreKbd || stuff->deviceSpec == XkbUseCorePtr)
+    {
+        DeviceIntPtr other;
+        for (other = inputInfo.devices; other; other = other->next)
+        {
+            if (((other != dev) && !other->isMaster && (other->u.master == dev)) &&
+                ((stuff->deviceSpec == XkbUseCoreKbd && other->key) ||
+                (stuff->deviceSpec == XkbUseCorePtr && other->button)))
+            {
+                rc = XaceHook(XACE_DEVICE_ACCESS, client, other, DixManageAccess);
+                if (rc == Success)
+                {
+                    rc = _XkbSetDeviceInfoCheck(client, other, stuff);
+                    if (rc != Success)
+                        return rc;
+                }
+            }
+        }
+    }
+
+    /* checks done, apply */
+    rc = _XkbSetDeviceInfo(client, dev, stuff);
+    if (rc != Success)
+        return rc;
+
+    if (stuff->deviceSpec == XkbUseCoreKbd || stuff->deviceSpec == XkbUseCorePtr)
+    {
+        DeviceIntPtr other;
+        for (other = inputInfo.devices; other; other = other->next)
+        {
+            if (((other != dev) && !other->isMaster && (other->u.master == dev)) &&
+                ((stuff->deviceSpec == XkbUseCoreKbd && other->key) ||
+                (stuff->deviceSpec == XkbUseCorePtr && other->button)))
+            {
+                rc = XaceHook(XACE_DEVICE_ACCESS, client, other, DixManageAccess);
+                if (rc == Success)
+                {
+                    rc = _XkbSetDeviceInfo(client, other, stuff);
+                    if (rc != Success)
+                        return rc;
+                }
+            }
+        }
+    }
+
     return client->noClientException;
 }