[pygobject] [gi-overrides] add cursor overrides

[John Palmieri <johnp src gnome org>]

commit 6025b62ee662af347e48b6752e6d5be74b4a8215
Author: John (J5) Palmieri <johnp redhat com>
Date:   Wed Feb 16 17:52:38 2011 -0500

    [gi-overrides] add cursor overrides
    
    https://bugzilla.gnome.org/show_bug.cgi?id=635947

 gi/overrides/Gdk.py     |   41 +++++++++++++++++++++++++++++++++++++++++
 tests/test_overrides.py |   23 +++++++++++++++++++++++
 2 files changed, 64 insertions(+), 0 deletions(-)
---
diff --git a/gi/overrides/Gdk.py b/gi/overrides/Gdk.py
index 70bd495..2c26767 100644
--- a/gi/overrides/Gdk.py
+++ b/gi/overrides/Gdk.py
@@ -149,6 +149,47 @@ class DragContext(Gdk.DragContext):
 DragContext = override(DragContext)
 __all__.append('DragContext')
 
+class Cursor(Gdk.Cursor):
+    def __new__(cls, *args, **kwds):
+        arg_len = len(args)
+        kwd_len = len(kwds)
+        total_len = arg_len + kwd_len
+
+        def _new(cursor_type):
+            return cls.new(cursor_type)
+
+        def _new_for_display(display, cursor_type):
+            return cls.new_for_display(display, cursor_type)
+
+        def _new_from_pixbuf(display, pixbuf, x, y):
+            return cls.new_from_pixbuf(display, pixbuf, x, y)
+
+        def _new_from_pixmap(source, mask, fg, bg, x, y):
+            return cls.new_from_pixmap(source, mask, fg, bg, x, y)
+
+        _constructor = None
+        if total_len == 1:
+            _constructor = _new
+        elif total_len == 2:
+            _constructor = _new_for_display
+        elif total_len == 4:
+            _constructor = _new_from_pixbuf
+        elif total_len == 6:
+            if Gdk._version != '2.0':
+                # pixmaps don't exist in Gdk 3.0
+                raise ValueError("Wrong number of parameters")
+            _constructor = _new_from_pixmap
+        else:
+            raise ValueError("Wrong number of parameters")
+
+        return _constructor(*args, **kwds)
+
+    def __init__(self, *args, **kwargs):
+        Gdk.Cursor.__init__(self)
+
+Cursor = override(Cursor)
+__all__.append('Cursor')
+
 import sys
 
 initialized, argv = Gdk.init_check(sys.argv)
diff --git a/tests/test_overrides.py b/tests/test_overrides.py
index f25fb07..0ab1968 100644
--- a/tests/test_overrides.py
+++ b/tests/test_overrides.py
@@ -359,6 +359,29 @@ class TestGdk(unittest.TestCase):
         event.type = Gdk.EventType.SCROLL
         self.assertRaises(AttributeError, lambda: getattr(event, 'foo_bar'))
 
+    def test_cursor(self):
+        self.assertEquals(Gdk.Cursor, overrides.Gdk.Cursor)
+        c = Gdk.Cursor(Gdk.CursorType.WATCH)
+        self.assertNotEqual(c, None)
+        c = Gdk.Cursor(cursor_type = Gdk.CursorType.WATCH)
+        self.assertNotEqual(c, None)
+
+        display_manager = Gdk.DisplayManager.get()
+        display = display_manager.get_default_display()
+
+        test_pixbuf = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB,
+                                           False,
+                                           8,
+                                           5,
+                                           10)
+
+        c = Gdk.Cursor(display,
+                       test_pixbuf,
+                       y=0, x=0)
+
+        self.assertNotEqual(c, None)
+        self.assertRaises(ValueError, Gdk.Cursor, 1, 2, 3)
+
 class TestGtk(unittest.TestCase):
 
     def test_container(self):