<blockquote>
<p>How can i find, which themes are installed</p>
</blockquote>
<p>GTK+ has preset paths to look in, usually <code>$PREFIX/share/themes</code> and somewhere below your home directory (depends on the platform, on win32 it's a funny path like AppData or such, depending on Windows version). There is probably also an environment variable to control where GTK+ looks.</p>
<blockquote>
<p>respectively where does Geany look for them?</p>
</blockquote>
<p>Geany itself isn't involved, but the GTK+ bundled with Geany will look below Geany's installation directory as that's its <code>$PREFIX</code>, in addition to the themes directory below your home directory.</p>
<blockquote>
<p>I thought that, if the GTK theme chooser is offering me a theme for selection, that the theme is there.</p>
</blockquote>
<p>AFAIK there is no official GTK+ theme chooser, which if true means you may have installed some 3rd party utility (possibly bundled with a 3rd party release of GTK+?).</p>
<blockquote>
<p>C:\p\GTK\2.0\share\themes\Nodoka-Squared</p>
</blockquote>
<p>This <code>C:\p\GTK\2.0</code> directory doesn't come from Geany, it must be a separate GTK+ distribution that you installed separately, so the GTK+ bundled with Geany won't look there for themes. The GTK+ that comes with Geany would be found under it's directory in <code>C:\Program Files (x86)\Geany</code>, and most likely looks for themes in <code>C:\Program Files (x86)\Geany\share\themes</code> (can't say for sure as I don't have a win32 installation available).</p>

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