how to set a notepad made with Qt as the default text editor in windows

Question

i made a notepad with qt creator following the example from qt website documentation. it works fine, i deployed it ,made an installer. but i can't make it as default program for text files. i want to open a text file with it without launching the app and clicking open and choosing the file location. is there a code to add. i didn't know exactly what to search for. (i'm new to coding)

link to the example: https://doc.qt.io/qt-5/qtwidgets-tutorials-notepad-notepad-cpp.html

Answer 1

i've used another installer maker that have a file associations parameter, with that my app been added to default programs. and i modified the code to get the file path from command line parameters argv[1].

and it worked.