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POHow to render parentheses as part of url in gtk label?
 

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  1. POHow to render parentheses as part of url in gtk label?
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    <p>I am using gtk in an application and I make use of the abilities of gtklabel text to be rendered automatically as a clickable url. This works well most of the time, however with a url which contains parentheses "(" and ")" this does not work. The versions I use are the ones available on debian (old)stable, i.e. debian 6 (2.20) and 7 (3.4.2).</p> <p>For example, I am trying to display the following url:</p> <pre><code>https://maps.google.com/maps?q=62.1891,+-141.5372+(Example+text+in+here+will+be+rendered+in+the+maps+label)&amp;iwloc=A&amp;hl=en </code></pre> <p>When I create a gtklabel with this text, for example:</p> <pre><code>text="&lt;b&gt;&lt;a href=\"https://maps.google.com/maps?q=62.1891,+-141.5372+(Example+text+in+here+will+be+rendered+in+the+maps+label)&amp;iwloc=A&amp;hl=en\" title=\"Map\"&gt;Click here for Map&lt;/a&gt;&lt;/b&gt;\n" </code></pre> <p>Then it will display fine in the label as an underlined link in bold with the text <strong>Click here for Map</strong></p> <p>However when you click the link it will not show correctly and this error appears:</p> <pre><code>Gtk-WARNING **: Unable to show '(null)': Operation not supported </code></pre> <p>It looks like the parentheses mess up the rendering of the url by gtk.</p> <p>Is there a way to escape the parentheses, or use a different character that works in the map url to create the label?</p> <p>I have tried various methods of escaping it, however none were effective so far. Such as using %28 and %29 to replace the parentheses as well as backslashes as an escape character.</p> <p>I am using the method described in <a href="https://developer.gnome.org/gtk2/2.24/GtkLabel.html" rel="nofollow">https://developer.gnome.org/gtk2/2.24/GtkLabel.html</a> and <a href="https://developer.gnome.org/gtk3/stable/GtkLabel.html" rel="nofollow">https://developer.gnome.org/gtk3/stable/GtkLabel.html</a> under "Links" which allows automatic rendering of links:</p> <blockquote> <p>Links</p> <p>Since 2.18, GTK+ supports markup for clickable hyperlinks in addition to regular Pango markup. The markup for links is borrowed from HTML, using the a with href and title attributes. GTK+ renders links similar to the way they appear in web browsers, with colored, underlined text. The title attribute is displayed as a tooltip on the link. An example looks like this:</p> <p>1 gtk_label_set_markup (label, "Go to the http://www.gtk.org\" title=\"&lt;i&gt;Our&amp;/i&gt; website\">GTK+ website for more...");</p> </blockquote> <p>I understand it is working in more recent releases of gtk (2.24 and 3.6), making sure to escape ampersands. But I was wondering if there is a work around for older gtk versions to avoid this problem?</p>
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    1. COPlease *mention* the "various methods" you already tried, to avoid people suggesting and you saying "yeh I tried that already". Did you try the most common form of URL-escaping? `%28...%29`
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    2. COUpdated question
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    3. COSounds like it could be a bug - have you reported it at http://bugzilla.gnome.org?
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