Function setVideoFormat

src/bzflag/guiplaying.cpp:446–473

bool setVideoFormat(int index, bool test) {
#if defined(_WIN32)
  // give windows extra time to test format (context reloading takes a while)
  static const float testDuration = 10.0f;
#else
  static const float testDuration = 5.0f;
#endif

  // ignore bad formats or when the format test timer is running
  if (testVideoFormatTimer != 0.0f || !display->isValidResolution(index)) {
    return false;
  }

  // ignore if no change
  if (display->getResolution() == index) { return true; }

  // change it
  testVideoPrevFormat = display->getResolution();
  if (!display->setResolution(index)) { return false; }

  // handle resize
  mainWindow->setFullscreen();
  mainWindow->getWindow()->callResizeCallbacks();
  mainWindow->warpMouse();
  if (test) { testVideoFormatTimer = testDuration; }
  else if (shouldGrabMouse()) { mainWindow->grabMouse(); }
  return true;
}