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Which event from which widget should I catch when I need to run some code when ScrolledWindow is scrolled?
Ths widgets tree I am using is: (my widget : Gtk.Container) > Viewport > ScrolledWindow
I tried many combinations of ScrollEvent, ScrollChild, etc. event handlers connected to all of them, but the only one that runs anything is an event from Viewport that about SetScrollAdjutstments being changed to (x=0,y=0) when the application starts.
You should attach to the GtkAdjustment living in the relevant scrollbar, and react to its ‘changed‘ event. Since Scrollbars are Ranges, you use the
gtk_range_get_adjustment()call to do this.