From 27ad5d74c20f01516a1bff73be283f8982fcf0fe Mon Sep 17 00:00:00 2001
From: Daniel Stone <daniel@fooishbar.org>
Date: Sun, 23 Sep 2007 17:17:03 +0300
Subject: [PATCH] Input: Generate XKB mapping changes for all core-sending
 devices (bug #12523)

When we change the mapping on a core device, make sure we propagate this
through to XKB for all extended devices as well.
---
 Xi/exevents.c      | 13 +++++++++++--
 Xi/setbmap.c       |  2 +-
 Xi/setmmap.c       |  2 +-
 dix/devices.c      | 25 +++++++++++++++----------
 include/exevents.h |  1 +
 5 files changed, 29 insertions(+), 14 deletions(-)

diff --git a/Xi/exevents.c b/Xi/exevents.c
index fe297ab6a..377311ec9 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -73,6 +73,10 @@ SOFTWARE.
 #include "dixgrabs.h"	/* CreateGrab() */
 #include "scrnintstr.h"
 
+#ifdef XKB
+#include "xkbsrv.h"
+#endif
+
 #define WID(w) ((w) ? ((w)->drawable.id) : 0)
 #define AllModifiersMask ( \
 	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
@@ -942,7 +946,7 @@ SetModifierMapping(ClientPtr client, DeviceIntPtr dev, int len, int rlen,
 }
 
 void
-SendDeviceMappingNotify(CARD8 request,
+SendDeviceMappingNotify(ClientPtr client, CARD8 request,
 			KeyCode firstKeyCode, CARD8 count, DeviceIntPtr dev)
 {
     xEvent event;
@@ -957,6 +961,11 @@ SendDeviceMappingNotify(CARD8 request,
 	ev->count = count;
     }
 
+#ifdef XKB
+    if (request == MappingKeyboard || request == MappingModifier)
+        XkbApplyMappingChange(dev, request, firstKeyCode, count, client);
+#endif
+
     SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) ev, 1);
 }
 
@@ -992,7 +1001,7 @@ ChangeKeyMapping(ClientPtr client,
     keysyms.map = map;
     if (!SetKeySymsMap(&k->curKeySyms, &keysyms))
 	return BadAlloc;
-    SendDeviceMappingNotify(MappingKeyboard, firstKeyCode, keyCodes, dev);
+    SendDeviceMappingNotify(client, MappingKeyboard, firstKeyCode, keyCodes, dev);
     return client->noClientException;
 }
 
diff --git a/Xi/setbmap.c b/Xi/setbmap.c
index bdfa513dd..1f5970dee 100644
--- a/Xi/setbmap.c
+++ b/Xi/setbmap.c
@@ -134,7 +134,7 @@ ProcXSetDeviceButtonMapping(ClientPtr client)
     }
 
     if (ret != MappingBusy)
-	SendDeviceMappingNotify(MappingPointer, 0, 0, dev);
+	SendDeviceMappingNotify(client, MappingPointer, 0, 0, dev);
     return Success;
 }
 
diff --git a/Xi/setmmap.c b/Xi/setmmap.c
index 00784995a..e30213e8a 100644
--- a/Xi/setmmap.c
+++ b/Xi/setmmap.c
@@ -122,7 +122,7 @@ ProcXSetDeviceModifierMapping(ClientPtr client)
     if (ret == MappingSuccess || ret == MappingBusy || ret == MappingFailed) {
 	rep.success = ret;
 	if (ret == MappingSuccess)
-	    SendDeviceMappingNotify(MappingModifier, 0, 0, dev);
+	    SendDeviceMappingNotify(client, MappingModifier, 0, 0, dev);
 	WriteReplyToClient(client, sizeof(xSetDeviceModifierMappingReply),
 			   &rep);
     } else {
diff --git a/dix/devices.c b/dix/devices.c
index 9f3c57653..e05444eff 100644
--- a/dix/devices.c
+++ b/dix/devices.c
@@ -1208,10 +1208,9 @@ SendMappingNotify(unsigned request, unsigned firstKeyCode, unsigned count,
     }
 #ifdef XKB
     if (!noXkbExtension &&
-	((request == MappingKeyboard) || (request == MappingModifier))) {
-	XkbApplyMappingChange(inputInfo.keyboard,request,firstKeyCode,count,
-									client);
-    }
+	((request == MappingKeyboard) || (request == MappingModifier)))
+        XkbApplyMappingChange(inputInfo.keyboard, request, firstKeyCode, count,
+                              client);
 #endif
 
    /* 0 is the server client */
@@ -1359,6 +1358,7 @@ int
 ProcSetModifierMapping(ClientPtr client)
 {
     xSetModifierMappingReply rep;
+    DeviceIntPtr dev;
     REQUEST(xSetModifierMappingReq);
     
     REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq);
@@ -1374,8 +1374,10 @@ ProcSetModifierMapping(ClientPtr client)
     rep.success = DoSetModifierMapping(client, (KeyCode *)&stuff[1],
                                        stuff->numKeyPerModifier);
 
-    /* FIXME: Send mapping notifies for all the extended devices as well. */
     SendMappingNotify(MappingModifier, 0, 0, client);
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+        if (dev->key && dev->coreEvents)
+            SendDeviceMappingNotify(client, MappingModifier, 0, 0, dev);
     WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep);
     return client->noClientException;
 }
@@ -1438,16 +1440,19 @@ ProcChangeKeyboardMapping(ClientPtr client)
     keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1;
     keysyms.mapWidth = stuff->keySymsPerKeyCode;
     keysyms.map = (KeySym *)&stuff[1];
-    for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
-        if ((pDev->coreEvents || pDev == inputInfo.keyboard) && pDev->key) {
+    for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+        if ((pDev->coreEvents || pDev == inputInfo.keyboard) && pDev->key)
             if (!SetKeySymsMap(&pDev->key->curKeySyms, &keysyms))
                 return BadAlloc;
-        }
-    }
 
-    /* FIXME: Send mapping notifies for all the extended devices as well. */
     SendMappingNotify(MappingKeyboard, stuff->firstKeyCode, stuff->keyCodes,
                       client);
+    for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+        if (pDev->key && pDev->coreEvents)
+            SendDeviceMappingNotify(client, MappingKeyboard,
+                                    stuff->firstKeyCode, stuff->keyCodes,
+                                    pDev);
+
     return client->noClientException;
 }
 
diff --git a/include/exevents.h b/include/exevents.h
index 69d4abc4c..cf7d71aca 100644
--- a/include/exevents.h
+++ b/include/exevents.h
@@ -129,6 +129,7 @@ extern int SetModifierMapping(
 	KeyClassPtr *          /* k */);
 
 extern void SendDeviceMappingNotify(
+        ClientPtr              /* client, */,
 	CARD8                  /* request, */,
 	KeyCode                /* firstKeyCode */,
 	CARD8                  /* count */,