double SingleTweener::DoUpdate( double dt )
{
const double t( std::min(duration_ - date_, dt) );
const double result = dt - t;
date_ += t;
const double val( GetValue() );
update_callback_(val);
return result;
}
void discobreak::Lwindow::Run() {
XMapWindow(display_->xdisplay_, win_);
x11_fd_ = ConnectionNumber(display_->xdisplay_);
gettimeofday(&t1_, NULL);
glXMakeCurrent(display_->xdisplay_, win_, graphics_->gg_->glc_);
Atom wmDeleteMessage = XInternAtom(display_->xdisplay_, "WM_DELETE_WINDOW", False);
XSetWMProtocols(display_->xdisplay_, win_, &wmDeleteMessage, 1);
bool running = true;
while (running) {
// Create a File Description Set containing x11_fd
FD_ZERO(&in_fds_);
FD_SET(x11_fd_, &in_fds_);
// Set our timer. One second sounds good.
tv_.tv_usec = 16660;
tv_.tv_sec = 0;
// Wait for X Event or a Timer
if (select(x11_fd_+1, &in_fds_, 0, 0, &tv_)) {
if(XPending(display_->xdisplay_))
XNextEvent(display_->xdisplay_, &xev_);
if (xev_.xclient.data.l[0] == static_cast<long>(wmDeleteMessage)) {
running = false;
} else if (xev_.type == KeyPress || xev_.type == KeyRelease) {
Input::SetKeyState((char)XLookupKeysym(&xev_.xkey, xev_.xkey.state), xev_.type == KeyPress);
//printf("%i\n", (int)XLookupKeysym(&xev_.xkey, xev_.xkey.state));
} else if(xev_.type == DestroyNotify)
running = false;
xev_ = XEvent();
}
else {
// Handle timer here
XGetWindowAttributes(display_->xdisplay_, win_, &gwa_);
glViewport(0, 0, gwa_.width, gwa_.height);
gettimeofday(&t2_, NULL);
elapsedTime_ = (t2_.tv_sec - t1_.tv_sec) * 1000.0; // sec to ms
elapsedTime_ += (t2_.tv_usec - t1_.tv_usec) / 1000.0; // us to ms
if(update_callback_) update_callback_(elapsedTime_);
if(draw_callback_) draw_callback_(elapsedTime_);
Input::PostUpdate();
gettimeofday(&t1_, NULL);
glXSwapBuffers(display_->xdisplay_, win_);
}
}
return;
}
void mixable::updated() const {
if (update_callback_) {
update_callback_();
}
}
