add missing file. Fixes #4289

src/gtkspell.py

@@ -0,0 +1,100 @@
+## src/gtkspell.py
+##
+## (C) 2008 Thorsten P. 'dGhvcnN0ZW5wIEFUIHltYWlsIGNvbQ==\n'.decode("base64")
+##
+## This file is part of Gajim.
+##
+## Gajim is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published
+## by the Free Software Foundation; version 3 only.
+##
+## Gajim 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 General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
+
+import ctypes
+import ctypes.util
+
+import gtk
+
+
+gboolean = ctypes.c_int
+gchar_p = ctypes.c_char_p
+gerror_p = ctypes.c_void_p
+gobject_p = ctypes.c_void_p
+gtkspell_p = ctypes.c_void_p
+gtktextview_p = ctypes.c_void_p
+
+
+class PyGObject(ctypes.Structure):
+    _fields_ = [
+            ("PyObject_HEAD", ctypes.c_byte * object.__basicsize__),
+            ("obj", gobject_p)
+    ]
+
+
+libgtkspell_path = ctypes.util.find_library("gtkspell")
+if libgtkspell_path == None:
+    raise ImportError("libgtkspell not found")
+libgtkspell = ctypes.cdll.LoadLibrary(libgtkspell_path)
+libgtkspell.gtkspell_new_attach.restype = gtkspell_p
+libgtkspell.gtkspell_new_attach.argtypes = [gtktextview_p, gchar_p, gerror_p]
+libgtkspell.gtkspell_set_language.restype = gboolean
+libgtkspell.gtkspell_set_language.argtypes = [gtkspell_p, gchar_p, gerror_p]
+libgtkspell.gtkspell_recheck_all.argtypes = [gtkspell_p]
+libgtkspell.gtkspell_get_from_text_view.restype = gtkspell_p
+libgtkspell.gtkspell_get_from_text_view.argtypes = [gtktextview_p]
+libgtkspell.gtkspell_detach.argtypes = [gtkspell_p]
+
+
+def ensure_attached(func):
+    def f(self, *args, **kwargs):
+        if self.spell:
+            func(self, *args, **kwargs)
+        else:
+            raise RuntimeError("Spell object is already detached")
+    return f
+
+
+class Spell(object):
+
+    def __init__(self, textview, language=None, create=True):
+        if not isinstance(textview, gtk.TextView):
+            raise TypeError("Textview must be derived from gtk.TextView")
+        tv = PyGObject.from_address(id(textview)).obj
+        spell = libgtkspell.gtkspell_get_from_text_view(tv)
+        if create:
+            if spell:
+                raise RuntimeError("Textview has already a Spell obj attached")
+            self.spell = libgtkspell.gtkspell_new_attach(tv, language, None)
+            if not self.spell:
+                raise OSError("Unable to attach spell object. "
+                              "Language: '%s'" % str(language))
+        else:
+            if spell:
+                self.spell = spell
+            else:
+                raise RuntimeError("Textview has no Spell object attached")
+
+    @ensure_attached
+    def set_language(self, language):
+        if libgtkspell.gtkspell_set_language(self.spell, language, None) == 0:
+            raise OSError("Unable to set language '%s'" % str(language))
+
+    @ensure_attached
+    def recheck_all(self):
+        libgtkspell.gtkspell_recheck_all(self.spell)
+
+    @ensure_attached
+    def detach(self):
+        libgtkspell.gtkspell_detach(self.spell)
+        self.spell = None
+
+
+def get_from_text_view(textview):
+    return Spell(textview, create=False)
+