multpiple opengl windows

[Robotica]

I created a small application using hellogl example given in QT. I created multiple opengl windows using QT creator
Qt is awesome to use.

2. how can i integrate qt with my game engine ? i am using Horde3D game engine

i want to simply add this small application in to my game engine code can some one direct ?

3. am i really in the right direction that if i create an instance of window and call it again as follows

Window window;
    Window window2;
 
if (((float)widgetArea / (float)desktopArea) < 0.75f){
        window.show();
    a=true;
    }
    else
      {  window.showMaximized();}
 
 
  if (((float)widgetArea / (float)desktopArea) < 0.75f){
        window2.show();
       }
    else
      {  window2.showMaximized();}

Window window;
    Window window2;

if (((float)widgetArea / (float)desktopArea) < 0.75f){
        window.show();
    a=true;
    }
    else
      {  window.showMaximized();}


  if (((float)widgetArea / (float)desktopArea) < 0.75f){
        window2.show();
       }
    else
      {  window2.showMaximized();}

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am i doing it right? and can i integrate it with my game engine and display my scene in these two windows?
Thank You once again

[high_flyer]

2. how can i integrate qt with my game engine ? i am using Horde3D game engine

You just link Horde3D to your Qt application.

am i really in the right direction that if i create an instance of window and call it again as follows

The right direction to where?
What you are trying to achieve with this code?