Support of both middle button and wheel emulation.
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -326,6 +326,9 @@
 void
 EvdevPostButtonEvent(InputInfoPtr pInfo, int button, int value)
 {
+    if (EvdevWheelEmuFilterButton(pInfo, button, value))
+        return;
+
     xf86PostButtonEvent(pInfo->dev, 0, button, value, 0, 0);
 }
 
@@ -514,10 +517,10 @@
     if (EvdevDragLockFilterEvent(pInfo, button, value))
         return;
 
-    if (EvdevWheelEmuFilterButton(pInfo, button, value))
+    if (EvdevMBEmuFilterEvent(pInfo, button, value))
         return;
 
-    if (EvdevMBEmuFilterEvent(pInfo, button, value))
+    if (EvdevWheelEmuFilterButton(pInfo, button, value))
         return;
 
     if (button)
--- a/src/emuMB.c
+++ b/src/emuMB.c
@@ -248,12 +248,12 @@
 
     if ((id = stateTab[pEvdev->emulateMB.state][*btstate][0]) != 0)
     {
-        EvdevQueueButtonEvent(pInfo, abs(id), (id >= 0));
+        EvdevPostButtonEvent(pInfo, abs(id), (id >= 0));
         ret = TRUE;
     }
     if ((id = stateTab[pEvdev->emulateMB.state][*btstate][1]) != 0)
     {
-        EvdevQueueButtonEvent(pInfo, abs(id), (id >= 0));
+        EvdevPostButtonEvent(pInfo, abs(id), (id >= 0));
         ret = TRUE;
     }