diff options
Diffstat (limited to 'gobject/pygboxed.c')
| -rw-r--r-- | gobject/pygboxed.c | 191 |
1 files changed, 1 insertions, 190 deletions
diff --git a/gobject/pygboxed.c b/gobject/pygboxed.c index 31db218..39f3d1c 100644 --- a/gobject/pygboxed.c +++ b/gobject/pygboxed.c @@ -2,7 +2,7 @@ * pygtk- Python bindings for the GTK toolkit. * Copyright (C) 1998-2003 James Henstridge * - * pygboxed.c: wrapper for GBoxed and GPointer types. + * pygboxed.c: wrapper for GBoxed * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -245,192 +245,3 @@ pyg_boxed_new(GType boxed_type, gpointer boxed, gboolean copy_boxed, return (PyObject *)self; } -/* ------------------ G_TYPE_POINTER derivatives ------------------ */ - -static void -pyg_pointer_dealloc(PyGPointer *self) -{ - self->ob_type->tp_free((PyObject *)self); -} - -static int -pyg_pointer_compare(PyGPointer *self, PyGPointer *v) -{ - if (self->pointer == v->pointer) return 0; - if (self->pointer > v->pointer) return -1; - return 1; -} - -static long -pyg_pointer_hash(PyGPointer *self) -{ - return (long)self->pointer; -} - -static PyObject * -pyg_pointer_repr(PyGPointer *self) -{ - gchar buf[128]; - - g_snprintf(buf, sizeof(buf), "<%s at 0x%lx>", g_type_name(self->gtype), - (long)self->pointer); - return PyString_FromString(buf); -} - -static int -pyg_pointer_init(PyGPointer *self, PyObject *args, PyObject *kwargs) -{ - gchar buf[512]; - - if (!PyArg_ParseTuple(args, ":GPointer.__init__")) - return -1; - - self->pointer = NULL; - self->gtype = 0; - - g_snprintf(buf, sizeof(buf), "%s can not be constructed", self->ob_type->tp_name); - PyErr_SetString(PyExc_NotImplementedError, buf); - return -1; -} - -static void -pyg_pointer_free(PyObject *op) -{ - PyObject_FREE(op); -} - -PyTypeObject PyGPointer_Type = { - PyObject_HEAD_INIT(NULL) - 0, /* ob_size */ - "gobject.GPointer", /* tp_name */ - sizeof(PyGPointer), /* tp_basicsize */ - 0, /* tp_itemsize */ - /* methods */ - (destructor)pyg_pointer_dealloc, /* tp_dealloc */ - (printfunc)0, /* tp_print */ - (getattrfunc)0, /* tp_getattr */ - (setattrfunc)0, /* tp_setattr */ - (cmpfunc)pyg_pointer_compare, /* tp_compare */ - (reprfunc)pyg_pointer_repr, /* tp_repr */ - 0, /* tp_as_number */ - 0, /* tp_as_sequence */ - 0, /* tp_as_mapping */ - (hashfunc)pyg_pointer_hash, /* tp_hash */ - (ternaryfunc)0, /* tp_call */ - (reprfunc)0, /* tp_str */ - (getattrofunc)0, /* tp_getattro */ - (setattrofunc)0, /* tp_setattro */ - 0, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ - NULL, /* Documentation string */ - (traverseproc)0, /* tp_traverse */ - (inquiry)0, /* tp_clear */ - (richcmpfunc)0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - (getiterfunc)0, /* tp_iter */ - (iternextfunc)0, /* tp_iternext */ - 0, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - (PyTypeObject *)0, /* tp_base */ - (PyObject *)0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)pyg_pointer_init, /* tp_init */ - (allocfunc)0, /* tp_alloc */ - (newfunc)0, /* tp_new */ - (freefunc)pyg_pointer_free, /* tp_free */ - (inquiry)0, /* tp_is_gc */ - (PyObject *)0, /* tp_bases */ -}; - -static GQuark pointer_type_id = 0; - -/** - * pyg_register_pointer: - * @dict: the module dictionary to store the wrapper class. - * @class_name: the Python name for the wrapper class. - * @pointer_type: the GType of the pointer type being wrapped. - * @type: the wrapper class. - * - * Registers a wrapper for a pointer type. The wrapper class will be - * a subclass of gobject.GPointer, and a reference to the wrapper - * class will be stored in the provided module dictionary. - */ -void -pyg_register_pointer(PyObject *dict, const gchar *class_name, - GType pointer_type, PyTypeObject *type) -{ - PyObject *o; - - g_return_if_fail(dict != NULL); - g_return_if_fail(class_name != NULL); - g_return_if_fail(pointer_type != 0); - - if (!pointer_type_id) - pointer_type_id = g_quark_from_static_string("PyGPointer::class"); - - if (!type->tp_dealloc) type->tp_dealloc = (destructor)pyg_pointer_dealloc; - - type->ob_type = &PyType_Type; - type->tp_base = &PyGPointer_Type; - - if (PyType_Ready(type) < 0) { - g_warning("could not get type `%s' ready", type->tp_name); - return; - } - - PyDict_SetItemString(type->tp_dict, "__gtype__", - o=pyg_type_wrapper_new(pointer_type)); - Py_DECREF(o); - - g_type_set_qdata(pointer_type, pointer_type_id, type); - - PyDict_SetItemString(dict, (char *)class_name, (PyObject *)type); -} - -/** - * pyg_pointer_new: - * @pointer_type: the GType of the pointer value. - * @pointer: the pointer value. - * - * Creates a wrapper for a pointer value. Since G_TYPE_POINTER types - * don't register any information about how to copy/free them, there - * is no guarantee that the pointer will remain valid, and there is - * nothing registered to release the pointer when the pointer goes out - * of scope. This is why we don't recommend people use these types. - * - * Returns: the boxed wrapper. - */ -PyObject * -pyg_pointer_new(GType pointer_type, gpointer pointer) -{ - PyGPointer *self; - PyTypeObject *tp; - - g_return_val_if_fail(pointer_type != 0, NULL); - - pyg_block_threads(); - - if (!pointer) { - Py_INCREF(Py_None); - pyg_unblock_threads(); - return Py_None; - } - - tp = g_type_get_qdata(pointer_type, pointer_type_id); - if (!tp) - tp = (PyTypeObject *)&PyGPointer_Type; /* fallback */ - self = PyObject_NEW(PyGPointer, tp); - - pyg_unblock_threads(); - - if (self == NULL) - return NULL; - - self->pointer = pointer; - self->gtype = pointer_type; - - return (PyObject *)self; -} |