[pygobject] Override Pango.Layout constructor.

[Paolo Borelli <pborelli src gnome org>]

commit bca603de0f217fb290189a0ea330f82961c46d5d
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Dec 11 15:03:21 2010 +0100

    Override Pango.Layout constructor.
    
    I must take a Pango.Context argument. Unfortumately the context is not a
    gobject property so we need to jump through some oops.

 gi/overrides/Pango.py   |   13 +++++++++++++
 tests/test_overrides.py |    6 ++++++
 2 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/gi/overrides/Pango.py b/gi/overrides/Pango.py
index 1bbfcad..700d26d 100644
--- a/gi/overrides/Pango.py
+++ b/gi/overrides/Pango.py
@@ -38,3 +38,16 @@ class FontDescription(Pango.FontDescription):
 FontDescription = override(FontDescription)
 __all__.append('FontDescription')
 
+class Layout(Pango.Layout):
+
+    def __new__(cls, context):
+        return Pango.Layout.new(context)
+
+    def __init__(self, context, **kwds):
+        # simply discard 'context', since it was set by
+        # __new__ and it is not a PangoLayout property
+        super(Layout, self).__init__(**kwds)
+
+Layout = override(Layout)
+__all__.append('Layout')
+
diff --git a/tests/test_overrides.py b/tests/test_overrides.py
index 8220c95..a53fd3e 100644
--- a/tests/test_overrides.py
+++ b/tests/test_overrides.py
@@ -44,6 +44,12 @@ class TestPango(unittest.TestCase):
         desc = Pango.FontDescription('monospace')
         self.assertEquals(desc.get_family(), 'monospace')
 
+    def test_layout(self):
+        self.assertRaises(TypeError, Pango.Layout)
+        context = Pango.Context()
+        layout = Pango.Layout(context)
+        self.assertEquals(layout.get_context(), context)
+
 class TestGdk(unittest.TestCase):
 
     def test_color(self):