static void expose_scroll_box(Window w, SCROLLBOX sb) {
int i;
/*int flag=-1;*/
for (i = 0; i < sb.nw; i++)
if (w == sb.w[i]) {
redraw_scroll_box(sb);
return;
}
if (sb.nw < sb.nent && w == sb.slide)
redraw_scroll_box(sb);
}
scroll_box_motion(XEvent ev,SCROLLBOX *sb)
{
int x;
Window w;
int pos,len;
w=ev.xmotion.window;
x=ev.xmotion.y;
if(sb->nw>=sb->nent)return 0;
if(w==sb->slide){
len=sb->len;
if(x<2)x=2;
if(x>(len+2))x=len+2;
pos=((x-2)*(sb->nent-sb->nw))/len;
if(pos<0)pos=0;
if(pos>(sb->nent-sb->nw))pos=sb->nent-sb->nw;
sb->i0=pos;
redraw_scroll_box(*sb);
}
}