Loop

void Window_Run(TGUIWindow *AWindow)
{
  TIterator *BIteratorWidget = NULL;
  TGUIWidget *BClientWidget = NULL;
  double BTime = glfwGetTime();
  unsigned int BFrames = 0;
  long BDiff = 0;

  struct timespec BRenderingClockLast;
  struct timespec BRenderingClockCurrent;
  clock_gettime(CLOCK_REALTIME, &BRenderingClockLast);

  TGUIWidgetProperties *BWidgetProperties = NULL;
  AWindow->FRunning = TRUE;
  glfwGetWindowSize(AWindow->FGLFW_Window, &AWindow->FWidth, &AWindow->FHeight);
  #ifdef GUI_DEBUG_MODE
  printf("[MESSAGE] Running window.\n");
  #endif

  Window_ResolveAlignment(AWindow);
  glfwShowWindow(AWindow->FGLFW_Window);
  while (!glfwWindowShouldClose(AWindow->FGLFW_Window))
  {
    glfwPollEvents();

    clock_gettime(CLOCK_REALTIME, &BRenderingClockCurrent);
    BDiff = time_diff(&BRenderingClockCurrent, &BRenderingClockLast);
    if (BDiff > 16.666666667)
    {
      clock_gettime(CLOCK_REALTIME, &BRenderingClockLast);
      Window_Render(AWindow);
      glfwSwapBuffers(AWindow->FGLFW_Window);
    };
    BFrames++;

    if (glfwGetTime() - BTime >= 1)
    {
      #ifdef GUI_DEBUG_MODE
      if ((BFrames < 59) || (AWindow->FRenderingFrameRate < 59))
      {
        // This message is printed only if the frame-rate is bellow the normal.
        printf("[MESSAGE] Process frame-rate: %i frames per second.\n", BFrames);
        printf("[MESSAGE] Rendering frame-rate: %i frames per second.\n", AWindow->FRenderingFrameRate);
      };
      #endif
      AWindow->FRenderingFrameRate = 0;
      BFrames = 0;
      BTime = glfwGetTime();
    };
  };
  #ifdef GUI_DEBUG_MODE
  printf("[MESSAGE] Finishing window.\n");
  #endif
};