Index: wps-display.c
===================================================================
RCS file: /cvsroot/rockbox/apps/wps-display.c,v
retrieving revision 1.137
diff -u -r1.137 wps-display.c
--- wps-display.c	10 Sep 2005 12:28:16 -0000	1.137
+++ wps-display.c	12 Sep 2005 01:15:28 -0000
@@ -496,6 +496,8 @@
                      int *intval)
 {
     struct mp3entry *id3 = cid3; /* default to current song */
+    static int batt_anim = 0;
+    static int batt_change_freq = 0;
 
     if ((0 == tag[0]) || (0 == tag[1]))
     {
@@ -773,7 +775,28 @@
                     if (l > -1)
                     {
                         snprintf(buf, buf_size, "%d%%", l);
-                        *intval = l / 20 + 1;
+
+                        /* simulate animated battery when charging */
+                        if (charger_inserted())
+                        {
+                            /* slow down the animation. only change
+                               every three passes. */
+                            if ( batt_change_freq >= 2 )
+                            {
+                                batt_change_freq = 0;
+                                batt_anim = (batt_anim > 5) ? 1 : batt_anim+1;
+                                *intval = batt_anim;
+                            }
+                            else
+                            {
+                                batt_change_freq++;
+                                *intval = batt_anim;
+                            }
+                        }
+                        else
+                        {
+                            *intval = l / 20 + 1;
+                        }
                     }
                     else
                     {