<p>By not very hard I meant something like this:</p>
<div class="highlight highlight-source-c"><pre>gint n = gtk_notebook_get_n_pages(nb);
<span class="pl-k">for</span> (gint i=<span class="pl-c1">0</span>; i < n; n++)
{
  GtkWidget *wid = <span class="pl-c1">gtk_notebook_get_tab_label</span>(nb,
    <span class="pl-c1">gtk_notebook_get_nth_page</span>(i));
  <span class="pl-k">if</span> (<span class="pl-c1">GTK_IS_LABEL</span>(wid))
  {
    <span class="pl-c1">gtk_label_set_ellipsize</span>(<span class="pl-c1">GTK_LABEL</span>(wid), PANGO_ELLIPSIZE_END);
    <span class="pl-c1">gtk_label_set_width_chars</span>(<span class="pl-c1">GTK_LABEL</span>(wid),
      interface_prefs.<span class="pl-smi">sidebar_tab_label_width</span>);
  }
}</pre></div>
<p>It should work fine with the normal (UTF-8) text that's in the tab labels, and has no impact on translations. It might need to switch <code>PANGO_ELLIPSIZE_END</code> to <code>_START</code> if the UI is in right-to-left mode, if GTK+ doesn't already handle this itself, but otherwise it should "just work".</p>

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