mainmenu crashes when clicking wheel the 2nd time

[mickey@…]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1219791168 (LWP 4010)]
0x081d4e08 in ?? ()
(gdb) bt
#0 0x081d4e08 in ?? ()
#1 0xb76d3dfd in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#2 0xb76e49a0 in g_signal_chain_from_overridden () from
/usr/lib/libgobject-2.0.so.0
#3 0xb76e5ecc in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#4 0xb76e607b in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#5 0xb7f8fe53 in moko_finger_wheel_button_release (widget=0x8072968,
event=0x80b0958) at moko-finger-wheel.c:367
#6 0xb7d78820 in _gtk_marshal_BOOLEANBOXED (closure=0x807a668,
return_value=0xbfa2f380, n_param_values=2, param_values=0xbfa2f45c,

invocation_hint=0xbfa2f36c, marshal_data=0xb7f8fd70) at gtkmarshalers.c:84

#7 0xb76d258e in g_value_set_static_boxed () from /usr/lib/libgobject-2.0.so.0
#8 0xb76d3dfd in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#9 0xb76e4fc4 in g_signal_chain_from_overridden () from
/usr/lib/libgobject-2.0.so.0
#10 0xb76e5c9f in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#11 0xb76e607b in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#12 0xb7e8bb48 in gtk_widget_event_internal (widget=0x8072968, event=0x80b0958)
at gtkwidget.c:3911
#13 0xb7d71cc3 in IAgtk_propagate_event (widget=0x8072968, event=0x80b0958) at
gtkmain.c:2188
#14 0xb7d72ec7 in IAgtk_main_do_event (event=0x80b0958) at gtkmain.c:1422
#15 0xb7c0a74a in gdk_event_dispatch (source=0x8074fb8, callback=0,
user_data=0x0) at gdkevents-x11.c:2320
#16 0xb7653a58 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#17 0xb7656a48 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#18 0xb7656d64 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#19 0xb7d73344 in IAgtk_main () at gtkmain.c:1001
#20 0x0804c32f in main (argc=Cannot access memory at address 0x4
) at main.c:187
(gdb)

[sunzhiyong@…]

Would you like to tell More details, or error message?
The bottom button of Wheel have two functions, leave subdirectroy and hide the
window.

[mickey@…]

Can't give more details than the traceback... Clicking "wheel down" lead to it,
not "wheel button".

[sunzhiyong@…]

it is something wrong about "move cursor" signal of mokoiconview,
solved by add an API to mokoiconview to move cursor up and down instead of
using signal "move curso".