Pop-up windows work independently of any other UI elements. That is, you can use these popups without having initialised or rendered any other UI elements.
popup_color_picker()
for choosing a colourpopup_open_file()
/popup_save_file()
for
choosing filespopup_messagebox()
for showing a message in a
window.After selecting a colour and clicking “OK” the hexcode for that colour is returned to the user
These popups will let you choose a file to open or save.
The ‘save’ popup has extra checks like asking you if you’d like to overwrite an existing file.