[pygobject] [gi-demos] add expander demo

[John Palmieri <johnp src gnome org>]

commit 79ecddf8d54b3f4f8b5ef05d302675152622c832
Author: John (J5) Palmieri <johnp redhat com>
Date:   Wed Feb 16 15:48:40 2011 -0500

    [gi-demos] add expander demo

 demos/gtk-demo/demos/expander.py |   60 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 60 insertions(+), 0 deletions(-)
---
diff --git a/demos/gtk-demo/demos/expander.py b/demos/gtk-demo/demos/expander.py
new file mode 100644
index 0000000..96387b2
--- /dev/null
+++ b/demos/gtk-demo/demos/expander.py
@@ -0,0 +1,60 @@
+#!/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 = "Expander"
+description = """
+GtkExpander allows to provide additional content that is initially hidden. 
+This is also known as "disclosure triangle".
+"""
+
+from gi.repository import Gtk, GdkPixbuf
+
+class ExpanderApp:
+    def __init__(self):
+        self.window = Gtk.Dialog("GtkExpander", 
+                                 None, 0,
+                                 (Gtk.STOCK_CLOSE, Gtk.ResponseType.NONE))
+        self.window.set_resizable(False)
+        self.window.connect('response', lambda window, x:window.destroy())
+        self.window.connect('destroy', Gtk.main_quit)
+
+        content_area = self.window.get_content_area()
+        vbox = Gtk.VBox(spacing=5)
+        content_area.pack_start(vbox, True, True, 0)
+        vbox.set_border_width(5)
+
+        label = Gtk.Label('Expander demo. Click on the triangle for details.')
+        vbox.pack_start(label, True, True, 0)
+
+        expander = Gtk.Expander(label='Details')
+        vbox.pack_start(expander, False, False, 0)
+
+        label = Gtk.Label('Details can be shown or hidden')
+        expander.add(label)
+        
+        self.window.show_all()
+
+def main(demoapp=None):
+    app = ExpanderApp()
+    Gtk.main()
+
+if __name__ == '__main__':
+    main()