> I gave a look at other open source projects but I couldn't find any simplified one Because there is no simple approach to this. > Are there any documentatio

> I gave a look at other open source projects but I couldn't find any simplified one Because there is no simple approach to this. > Are there any documentation or open source projects to have look at? Qt and JUCE are very mature and have the same architecture you're describing. > at the top I have a Window class that handle all the widgets in a parent-child way relationship Don't marry yourself to this architecture or else it's going to be a pain to support multiple windows or cases where the application does not own the window or its lifecycle.