Index: src/events.c
===================================================================
--- src/events.c	(revision 29907)
+++ src/events.c	(working copy)
@@ -634,7 +634,7 @@
             clientMove (c, (XEvent *) ev);
         }
     }
-    else if ((ev->button == Button1) || (ev->button == Button3))
+    else if (ev->button == Button1)
     {
         if ((ev->button == Button1) ||
             ((screen_info->params->easy_click) && (state == screen_info->params->easy_click)))
@@ -647,6 +647,34 @@
         }
         clientResize (c, part, (XEvent *) ev);
     }
+    else if (ev->button == Button3)
+    {
+        clientMove (c, (XEvent *) ev);
+    }
+    else if (ev->button == Button4)
+    {
+        /* Mouse wheel scroll up */
+        if (state == AltMask)
+        {
+            clientIncOpacity(c);
+        }
+        else if (!FLAG_TEST (c->flags, CLIENT_FLAG_SHADED))
+        {
+            clientShade (c);
+        }
+    }
+    else if (ev->button == Button5)
+    {
+        /* Mouse wheel scroll down */
+        if (state == AltMask)
+        {
+            clientDecOpacity(c);
+        }
+        else if (FLAG_TEST (c->flags, CLIENT_FLAG_SHADED))
+        {
+            clientUnshade (c);
+        }
+    }
 }
 
 static int
Index: doc/C/xfwm4.xml
===================================================================
--- doc/C/xfwm4.xml	(revision 29907)
+++ doc/C/xfwm4.xml	(working copy)
@@ -376,6 +376,7 @@
 	<itemizedlist>
 	  <listitem>left or right click on the title bar of the window and
 	    drag it</listitem>
+	  <listitem>right click on the top edge of the window frame and drag it</listitem>
 	  <listitem>use Alt + left click while the pointer is anywhere over
 	    the window frame and move the mouse</listitem>
 	  <listitem>use Control + Alt + Shift + (up, down, left or right)