I am rephrasing my question from a few weeks ago to hopefully be more precise this time to get an answer: I save preferences per monitor and I want to load the matching settings for each monitor at application startup. However, I do not know how to reliably identify which plugged monitor matches which preferences section. It is tempting to use gdk_monitor_get_model. But this function has at least two drawbacks: It is not guaranteed that each monitor has a model, and it is not guaranteed that the returned string is unique. Using the index in gdk_display_get_monitor to identify a monitor is also not a promising idea because one can arbitrarily plug in and out monitors in different orders. So what could/should I do?
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