The codes are already written in c++ for desktop Application. we have already develop and build windows App with QT and now we want develop and build Linux App(which should work on Linux Mint or Ubuntu and debian OS) with QT. previous developer written 70% codes for linux App. you just need to make this change - Cef windows must be embedded into Qt main window and compile it to linux build.
The Qt (SDK) software development kit is a portable cross platform application user interface framework which works on the Windows, Linux and Mac OS X operating systems..