<p>I had a stab at (re)implementing this as I know the MATE Desktop project had this issue when migrating from GTK2 to GTK3.</p>
<p><a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/lah7/geany/commit/5bfad0da637836b63d087b791e7b26ebcb512580/hovercard" href="https://github.com/lah7/geany/commit/5bfad0da637836b63d087b791e7b26ebcb512580">lah7@<tt>5bfad0d</tt></a></p>
<p>This only reinstates scrolling over tabs in the main editor. I'd consider the commit incomplete as all the other tabs (<code>notebook</code>?) like the sidebar and preferences should add the scroll event too but I'm terribly unfamiliar with C and didn't have much luck at this point. <em>Any help greatly appreciated.</em></p>
<p>But... it's a step towards having it back in GTK3 and doesn't impact the GTK2 build.</p>
<hr>
<p>Scrolling over tabs is definitely part of my workflow. Too bad GTK3 requires each app to implement it separately. Unfortunately for me, as I switched distributions and finally made use of my HiDPI display, GTK2 is out of the question, <em>as much as I like GTK2.</em></p>

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