Gii problem

hi
anybody use gii?
now i just install gii lib,and i run the demo which is gii provide,
it can't run correctly,
my system is debian ,kernel 2.6
i also write a test code
#include <ggi/gii.h>
#include <ggi/events.h>

#include <stdio.h>
#include <stdlib.h>

int main(int args,char **argv)
{
int rc;
rc=giiInit();
if(rc<0)
{
printf("GiiInit Error");
exit(1);
}

gii_input_t inp;

inp=giiOpen("linux-evdev");
if(!inp)
{
printf("can't open inp input");
giiExit();
exit(1);
}

int n;
gii_event ev;
for (;;) {
struct timeval tv = { 0, 100 };
giiEventPoll(inp, emAll, &tv);
//n = giiEventsQueued(inp, emAll);
//if (n == 0) break;
// while (n--) {
giiEventRead(inp, &ev, emAll);
switch(ev.any.type)
{
case evKeyPress:
printf("KeyPress ");goto showkey;

showkey:
printf("sym=%4d label=%4c button=%4d\n",
ev.key.sym,ev.key.label,ev.key.button);
break;
case evPtrAbsolute:
printf("PtrAbsolute ");goto showptr;
case evPtrRelative:
printf("PtrRelative ");
showptr:
printf("mouse x=%4x y=%4x z=%4x w=%4x\n",
ev.pmove.x,ev.pmove.y,ev.pmove.z,ev.pmove.wheel);
break;
//default:
// printf("event: type=%d\n",ev.any.type);
//printf("\n");
}
//}
}

giiClose(inp);

giiExit();

return 0;
}

and i export GII_INPUT=linux-evdev:/dev/input/event0. when i run it
,it can only konw key event,it can't listen the mice event ,my mice use
usb port.
somebody can help me? 3x

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