b936b11 Setting up the popup stack system - LordSk 905e637 Move popups over to the new system - LordSk 13e356c Added example code - LordSk

Part 1: CEditor2::HasUnsavedData() We would like to know if the map has unsaved data when we load out of it (load another map, make a new one). This should be straight forward since we know when the user makes a change: a new history entry is pushed. Part 2 : Make a warning popup, "The map has not been saved, would you like to save it?" [ Yes ] [ No ]. If Yes, invoke the save map popup, and then continue. If No, just continue. If you would like to work on this issue, ple...

It would be nice to be able to sort demos by name and date. By default demos are kinda sorted by date due to the timestamp in name. But renamed demos loose this feature. This was done in ddnet already: https://github.com/ddnet/ddnet/commit/da17b795c5b7460be130084e88cb28eefe051cbe https://github.com/ddnet/ddnet/commit/675c6eb1e099b75fb32006aaab907743ce06152a#diff-4d014b7597f3da3a22e874656229fd11 It also would be nice to have a option which loads all demos and then filter for things l...