I was curious about what cross-platform framework does the developers of high profiles applications such as Photoshop, Guitar Pro, etc; use. They all integrate seamlessly with the OS to the point where you can sometimes assume that the application was developed exclusively for that OS.
I have been programming with Qt for about a year and as far as I know given my knowledge and ability with Qt it's not possible to fully integrate your application with MAC OS. (e.g. see my unsolved issue with Qt and the MAC OS Dock icon )
Do they all use proprietary in-house frameworks? I'm I just lacking the necessary 'know-how'to achieve this with Qt? Are there better cross-platform alternatives?