bool DisplayMessageQueue_X11::process(int timeout_ms)
{
auto end_time = std::chrono::steady_clock::now() + std::chrono::milliseconds(timeout_ms);
while (true)
{
process_message();
process_queued_events(); // What is this? If its related to Event then it should be removed
process_window_sockets(); // Same for this thing
if (end_time <= std::chrono::steady_clock::now())
break;
int x11_handle = ConnectionNumber(display);
struct timeval tv;
if (timeout_ms > 0)
{
tv.tv_sec = timeout_ms / 1000;
tv.tv_usec = (timeout_ms % 1000) * 1000;
}
else if (timeout_ms == 0)
{
tv.tv_sec = 0;
tv.tv_usec = 0;
}
else
{
tv.tv_sec = 0x7FFFFFFF;
tv.tv_usec = 0;
}
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(x11_handle, &rfds);
FD_SET(async_work_event.read_fd(), &rfds);
FD_SET(exit_event.read_fd(), &rfds);
int result = select(std::max(std::max(async_work_event.read_fd(), x11_handle), exit_event.read_fd()) + 1, &rfds, nullptr, nullptr, &tv);
if (result > 0)
{
if (FD_ISSET(async_work_event.read_fd(), &rfds))
{
async_work_event.reset();
process_async_work();
}
if (FD_ISSET(exit_event.read_fd(), &rfds))
{
exit_event.reset();
return false;
}
}
else
{
break;
}
}
return true;
}
// Danger: This function could delete "this"
void X11Window::process_window()
{
if (site)
{
if (repaint_request)
{
(site->sig_paint)();
repaint_request = false;
}
}
process_window_sockets();
}