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+#!/usr/bin/env python
+# -*- Mode: Python; py-indent-offset: 4 -*-
+# vim: tabstop=4 shiftwidth=4 expandtab
+#
+# Copyright (C) 2010 Red Hat, Inc., John (J5) Palmieri <johnp@redhat.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+# USA
+
+title = "Links"
+description = """
+GtkLabel can show hyperlinks. The default action is to call gtk_show_uri() on
+their URI, but it is possible to override this with a custom handler.
+"""
+
+from gi.repository import Gtk
+
+class LinksApp:
+ def __init__(self):
+ self.window = Gtk.Window()
+ self.window.set_title('Links')
+ self.window.set_border_width(12)
+ self.window.connect('destroy', Gtk.main_quit)
+
+ label = Gtk.Label("""Some <a href="http://en.wikipedia.org/wiki/Text"
+title="plain text">text</a> may be marked up
+as hyperlinks, which can be clicked
+or activated via <a href="keynav">keynav</a>""")
+
+ label.set_use_markup(True)
+ label.connect("activate-link", self.activate_link)
+ self.window.add(label);
+ label.show()
+
+ self.window.show()
+
+ def activate_link(self, label, uri):
+ if uri == 'keynav':
+ parent = label.get_toplevel()
+ markup = """The term <i>keynav</i> is a shorthand for
+keyboard navigation and refers to the process of using
+a program (exclusively) via keyboard input."""
+ dialog = Gtk.MessageDialog(parent,
+ Gtk.DialogFlags.DESTROY_WITH_PARENT,
+ Gtk.MessageType.INFO,
+ Gtk.ButtonsType.OK,
+ text=markup,
+ use_markup=True)
+ dialog.present()
+ dialog.connect('response', self.response_cb)
+
+ return True
+
+ def response_cb(self, dialog, response_id):
+ dialog.destroy()
+
+def main(demoapp=None):
+ app = LinksApp()
+ Gtk.main()
+
+if __name__ == '__main__':
+ main()