Initial commit, very few changes from orca 45. Added xfce4-notification daemon support.

test/harness/bin/slider

@@ -0,0 +1,63 @@
+#!/usr/bin/env python
+
+import pygtk
+pygtk.require('2.0')
+import gtk, gobject
+
+class Slider:
+    def __init__(self):
+        self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+        self.window.set_resizable(True)
+
+        self.window.connect("destroy", self.quit)
+        self.window.set_title("Slider")
+        self.window.set_border_width(0)
+
+        vbox = gtk.VBox(False, 5)
+        vbox.set_border_width(10)
+        self.window.add(vbox)
+        vbox.show()
+  
+        # Create a label
+        self.label = gtk.Label("")
+        vbox.pack_start(self.label, False, False, 0)
+        self.label.show()
+
+        # Create a centering alignment object
+        align = gtk.Alignment(0.5, 0.5, 0, 0)
+        vbox.pack_start(align, False, False, 5)
+        align.show()
+
+        # Create the Slider
+        self.slider = gtk.HScale(adjustment=gtk.Adjustment(
+                value=0,
+                lower=0, upper=10,
+                step_incr=1, page_incr=2, page_size=2))
+
+        align.add(self.slider)
+        self.slider.show()
+        self.label.set_mnemonic_widget(self.slider)
+        self.label.set_text_with_mnemonic("_Some slider:")
+
+        separator = gtk.HSeparator()
+        vbox.pack_start(separator, False, False, 0)
+        separator.show()
+
+        # Add a button to exit the program
+        button = gtk.Button("close")
+        button.connect("clicked", self.quit)
+        vbox.pack_start(button, False, False, 0)
+        button.show()
+
+        self.window.show()
+
+    def quit(self, widget, data=None):
+        gtk.main_quit()
+
+def main():
+    gtk.main()
+    return 0
+
+if __name__ == "__main__":
+    Slider()
+    main()