AddDialog Qt::WindowModal 0 0 551 500 Add OS 12 Select the operating system you would like to download and install, and press "ok" to continue. true 12 QDialogButtonBox::Cancel|QDialogButtonBox::Ok 16 75 true Install operating system 12 Loading... :/icons/server.png:/icons/server.png Proxy Settings buttonBox accepted() AddDialog accept() 199 281 199 149 buttonBox rejected() AddDialog reject() 199 281 199 149