From 2a35d44b6d87f96a7ce90dc8f0142f48cc176e95 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter@cs.unisa.edu.au>
Date: Wed, 28 Feb 2007 15:43:06 +1030
Subject: [PATCH] Update device valuators on XTest motion event, otherwise the
 cursor jumps between coordinates stored in device and coordinates sent by the
 event.

---
 Xext/xtest.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/Xext/xtest.c b/Xext/xtest.c
index c59adeaee..d46d6e7d9 100644
--- a/Xext/xtest.c
+++ b/Xext/xtest.c
@@ -316,7 +316,7 @@ ProcXTestFakeInput(client)
 #ifdef XINPUT
 	if (!extension)
 #endif /* XINPUT */
-	    dev = (DeviceIntPtr)LookupKeyboardDevice();
+	    dev = inputInfo.keyboard;
 	if (ev->u.u.detail < dev->key->curKeySyms.minKeyCode ||
 	    ev->u.u.detail > dev->key->curKeySyms.maxKeyCode)
 	{
@@ -360,7 +360,8 @@ ProcXTestFakeInput(client)
 	    break;
 	}
 #endif /* XINPUT */
-	dev = (DeviceIntPtr)LookupPointerDevice();
+        if (!dev)
+            dev = inputInfo.pointer;
 	if (ev->u.keyButtonPointer.root == None)
 	    root = GetCurrentRootWindow();
 	else
@@ -378,7 +379,7 @@ ProcXTestFakeInput(client)
 	if (ev->u.u.detail == xTrue)
 	{
 	    int x, y;
-	    GetSpritePosition(inputInfo.pointer, &x, &y);
+	    GetSpritePosition(dev, &x, &y);
 	    ev->u.keyButtonPointer.rootX += x;
 	    ev->u.keyButtonPointer.rootY += y;
 	}
@@ -442,13 +443,15 @@ ProcXTestFakeInput(client)
 	    (dev, root->drawable.pScreen,
 	     ev->u.keyButtonPointer.rootX,
 	     ev->u.keyButtonPointer.rootY, FALSE);
+        dev->valuator->lastx = ev->u.keyButtonPointer.rootX;
+        dev->valuator->lasty = ev->u.keyButtonPointer.rootY;
 	break;
     case ButtonPress:
     case ButtonRelease:
 #ifdef XINPUT
 	if (!extension)
 #endif /* XINPUT */
-	    dev = (DeviceIntPtr)LookupPointerDevice();
+	    dev = inputInfo.pointer;
 	if (!ev->u.u.detail || ev->u.u.detail > dev->button->numButtons)
 	{
 	    client->errorValue = ev->u.u.detail;