static struct timespec add_to_time(struct timespec t, double tm) {
struct timespec t1;
t1 = double_to_time(tm);
t1.tv_sec = t1.tv_sec + t.tv_sec;
t1.tv_nsec = t1.tv_nsec + t.tv_nsec;
while (t1.tv_nsec >= BILLION) {
t1.tv_nsec = t1.tv_nsec - BILLION;
t1.tv_sec++;
}
return t1;
}
void Card::move(int dest_x, int dest_y, bool animate)
{
const int steps = 100;
timeout_t start_time, stop_time, mpause;
// Time of end of animation
get_time (&start_time);
stop_time = start_time;
incr_time (&stop_time, (unsigned) Option::speedup());
// Delay between steps
double_to_time ((double)Option::speedup() / 1000.0 / 2.0 / (double)steps,
&mpause);
raise();
if (animate && Option::animation()) {
int oldx = x();
int oldy = y();
int newx = dest_x;
int newy = dest_y;
float curx = (float) oldx;
float cury = (float) oldy;
for (int i = 0; i < steps; i++) {
curx += ((float) (newx - oldx)) / steps;
cury += ((float) (newy - oldy)) / steps;
NSWindow::move((int) curx, (int) cury);
XFlush(dpy);
add_time (&start_time, &mpause);
wait_until (&start_time);
}
} else {
NSWindow::move(dest_x, dest_y);
}
XFlush(dpy);
raise();
if (animate) wait_until (&stop_time);
}
