<p></p>
<p>Yes, the entire function must be used, but it is included in a source file that uses the same license as Geany.</p>
<p>Yes, GTK has removed this user interface interaction, but it is useful, perhaps not for you. It's like menu icons, GTK 3 has spent time explaining to everyone that we need to delete them, and it looks like GTK 4 will delete them.</p>
<p>Same thing for the <a href="https://user-images.githubusercontent.com/31816829/81144172-ceb1ef00-8f73-11ea-93d4-c64043350fe2.png" rel="nofollow">treeview zebra/even-odd row styling</a>, the possibility to use one color for even row and another for odd row from CSS, was removed. But for some people like me, it's useful.</p>
<p>About the proposed snippet, I tried new things. Since GTK 3.24 we can use GtkEventController, but the first scroll event is ignored (example links: <a href="https://github.com/luigifab/awf-extended/blob/a8489cda0196e473da4960e1a5d68ef783015003/src/awf.c#L1560">link1</a> and <a href="https://github.com/luigifab/awf-extended/blob/a8489cda0196e473da4960e1a5d68ef783015003/src/awf.c#L1648">link2</a> and <a href="https://github.com/luigifab/awf-extended/blob/a8489cda0196e473da4960e1a5d68ef783015003/src/awf.c#L2160">link3</a>, that's also true, I'm a noob in C language).</p>

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