diff options
Diffstat (limited to 'gobject/pygparamspec.c')
| -rw-r--r-- | gobject/pygparamspec.c | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/gobject/pygparamspec.c b/gobject/pygparamspec.c new file mode 100644 index 0000000..be3840b --- /dev/null +++ b/gobject/pygparamspec.c @@ -0,0 +1,397 @@ +/* -*- Mode: C; c-basic-offset: 4 -*- + * pygtk- Python bindings for the GTK toolkit. + * Copyright (C) 1998-2003 James Henstridge + * Copyright (C) 2004 Johan Dahlin + * + * pygenum.c: GEnum and GFlag wrappers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + * USA + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <pyglib.h> + +#include "pygobject-private.h" +#include "pygparamspec.h" + +PYGLIB_DEFINE_TYPE("gobject.GParamSpec", PyGParamSpec_Type, PyGParamSpec); + +static int +pyg_param_spec_compare(PyGParamSpec *self, PyGParamSpec *v) +{ + if (self->pspec == v->pspec) return 0; + if (self->pspec > v->pspec) return -1; + return 1; +} + +static long +pyg_param_spec_hash(PyGParamSpec *self) +{ + return (long)self->pspec; +} + +static PyObject * +pyg_param_spec_repr(PyGParamSpec *self) +{ + char buf[80]; + + g_snprintf(buf, sizeof(buf), "<%s '%s'>", + G_PARAM_SPEC_TYPE_NAME(self->pspec), + g_param_spec_get_name(self->pspec)); + return _PyUnicode_FromString(buf); +} + +static void +pyg_param_spec_dealloc(PyGParamSpec *self) +{ + g_param_spec_unref(self->pspec); + PyObject_DEL(self); +} + + +static PyObject * +pygenum_from_pspec(GParamSpec *pspec) +{ + PyObject *pyclass; + GParamSpecEnum *enum_pspec; + GType enum_type; + + enum_pspec = G_PARAM_SPEC_ENUM(pspec); + enum_type = G_ENUM_CLASS_TYPE(enum_pspec->enum_class); + pyclass = (PyObject*)g_type_get_qdata(enum_type, pygenum_class_key); + if (pyclass == NULL) { + pyclass = pyg_enum_add(NULL, g_type_name(enum_type), NULL, enum_type); + if (pyclass == NULL) + pyclass = Py_None; + } + + Py_INCREF(pyclass); + return pyclass; +} + +static PyObject * +pygflags_from_pspec(GParamSpec *pspec) +{ + PyObject *pyclass; + GParamSpecFlags *flag_pspec; + GType flag_type; + + flag_pspec = G_PARAM_SPEC_FLAGS(pspec); + flag_type = G_FLAGS_CLASS_TYPE(flag_pspec->flags_class); + pyclass = (PyObject*)g_type_get_qdata(flag_type, pygflags_class_key); + if (pyclass == NULL) { + pyclass = pyg_flags_add(NULL, g_type_name(flag_type), NULL, flag_type); + if (pyclass == NULL) + pyclass = Py_None; + } + Py_INCREF(pyclass); + return pyclass; +} + +static PyObject * +pyg_param_spec_getattr(PyGParamSpec *self, const gchar *attr) +{ + GParamSpec *pspec; + + pspec = self->pspec; + + /* common attributes */ + if (!strcmp(attr, "__gtype__")) { + return pyg_type_wrapper_new(G_PARAM_SPEC_TYPE(pspec)); + } else if (!strcmp(attr, "name")) { + return Py_BuildValue("s", g_param_spec_get_name(pspec)); + } else if (!strcmp(attr, "nick")) { + return Py_BuildValue("s", g_param_spec_get_nick(pspec)); + } else if (!strcmp(attr, "blurb") || !strcmp(attr, "__doc__")) { + return Py_BuildValue("s", g_param_spec_get_blurb(pspec)); + } else if (!strcmp(attr, "flags")) { + return _PyLong_FromLong(pspec->flags); + } else if (!strcmp(attr, "value_type")) { + return pyg_type_wrapper_new(pspec->value_type); + } else if (!strcmp(attr, "owner_type")) { + return pyg_type_wrapper_new(pspec->owner_type); + } + + if (G_IS_PARAM_SPEC_CHAR(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", "flags", + "maximum", "minimum", "name", "nick", + "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return _PyUnicode_FromFormat( + "%c", G_PARAM_SPEC_CHAR(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return _PyLong_FromLong(G_PARAM_SPEC_CHAR(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return _PyLong_FromLong(G_PARAM_SPEC_CHAR(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_UCHAR(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", + "name", "nick", "owner_type", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return _PyUnicode_FromFormat( + "%c", G_PARAM_SPEC_UCHAR(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return _PyLong_FromLong(G_PARAM_SPEC_UCHAR(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return _PyLong_FromLong(G_PARAM_SPEC_UCHAR(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_BOOLEAN(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "name", "nick", "owner_type", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyBool_FromLong(G_PARAM_SPEC_BOOLEAN(pspec)->default_value); + } + } else if (G_IS_PARAM_SPEC_INT(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", "name", + "nick", "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return _PyLong_FromLong(G_PARAM_SPEC_INT(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return _PyLong_FromLong(G_PARAM_SPEC_INT(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return _PyLong_FromLong(G_PARAM_SPEC_INT(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_UINT(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", + "name", "nick", "owner_type", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyLong_FromUnsignedLong(G_PARAM_SPEC_UINT(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyLong_FromUnsignedLong(G_PARAM_SPEC_UINT(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyLong_FromUnsignedLong(G_PARAM_SPEC_UINT(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_LONG(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", "name", + "nick", "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyLong_FromLong(G_PARAM_SPEC_LONG(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyLong_FromLong(G_PARAM_SPEC_LONG(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyLong_FromLong(G_PARAM_SPEC_LONG(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_ULONG(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", "name", + "nick", "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyLong_FromUnsignedLong(G_PARAM_SPEC_ULONG(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyLong_FromUnsignedLong(G_PARAM_SPEC_ULONG(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyLong_FromUnsignedLong(G_PARAM_SPEC_ULONG(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_INT64(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", "name", + "nick", "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyLong_FromLongLong(G_PARAM_SPEC_INT64(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyLong_FromLongLong(G_PARAM_SPEC_INT64(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyLong_FromLongLong(G_PARAM_SPEC_INT64(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_UINT64(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "maximum", "minimum", + "name", "nick", "owner_type", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyLong_FromUnsignedLongLong(G_PARAM_SPEC_UINT64(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyLong_FromUnsignedLongLong(G_PARAM_SPEC_UINT64(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyLong_FromUnsignedLongLong(G_PARAM_SPEC_UINT64(pspec)->maximum); + } + } else if (G_IS_PARAM_SPEC_UNICHAR(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[sssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "name", "nick", "owner_type", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return _PyUnicode_FromFormat( + "%c", G_PARAM_SPEC_UNICHAR(pspec)->default_value); + } + } else if (G_IS_PARAM_SPEC_ENUM(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[ssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", "enum_class", + "flags", "name", "nick", "owner_type", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return pyg_enum_from_gtype( + pspec->value_type, G_PARAM_SPEC_ENUM(pspec)->default_value); + } else if (!strcmp(attr, "enum_class")) { + return pygenum_from_pspec(pspec); + } + } else if (G_IS_PARAM_SPEC_FLAGS(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[ssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", + "flags", "flags_class", "name", "nick", + "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return pyg_flags_from_gtype( + pspec->value_type, G_PARAM_SPEC_FLAGS(pspec)->default_value); + } else if (!strcmp(attr, "flags_class")) { + return pygflags_from_pspec(pspec); + } + } else if (G_IS_PARAM_SPEC_FLOAT(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[ssssssssssss]", "__doc__", "__gtype__", + "blurb", "epsilon", + "flags", "maximum", "minimum", "name", "nick", "owner_type", + "value_type", + "default_value"); + } else if (!strcmp(attr, "default_value")) { + return PyFloat_FromDouble(G_PARAM_SPEC_FLOAT(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyFloat_FromDouble(G_PARAM_SPEC_FLOAT(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyFloat_FromDouble(G_PARAM_SPEC_FLOAT(pspec)->maximum); + } else if (!strcmp(attr, "epsilon")) { + return PyFloat_FromDouble(G_PARAM_SPEC_FLOAT(pspec)->epsilon); + } + } else if (G_IS_PARAM_SPEC_DOUBLE(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[ssssssssssss]", "__doc__", "__gtype__", + "blurb", "default_value", "epsilon", + "flags", "maximum", "minimum", "name", "nick", + "owner_type", "value_type"); + } else if (!strcmp(attr, "default_value")) { + return PyFloat_FromDouble( + G_PARAM_SPEC_DOUBLE(pspec)->default_value); + } else if (!strcmp(attr, "minimum")) { + return PyFloat_FromDouble(G_PARAM_SPEC_DOUBLE(pspec)->minimum); + } else if (!strcmp(attr, "maximum")) { + return PyFloat_FromDouble(G_PARAM_SPEC_DOUBLE(pspec)->maximum); + } else if (!strcmp(attr, "epsilon")) { + return PyFloat_FromDouble(G_PARAM_SPEC_DOUBLE(pspec)->epsilon); + } + } else if (G_IS_PARAM_SPEC_STRING(pspec)) { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[ssssssssssssss]", "__doc__", "__gtype__", + "blurb", "cset_firth", "cset_nth", "default_value", + "ensure_non_null", "flags", "name", "nick", + "null_fold_if_empty", "owner_type", "substitutor", + "value_type"); + } else if (!strcmp(attr, "default_value")) { + return Py_BuildValue( + "s", G_PARAM_SPEC_STRING(pspec)->default_value); + } else if (!strcmp(attr, "cset_first")) { + return Py_BuildValue( + "s", G_PARAM_SPEC_STRING(pspec)->cset_first); + } else if (!strcmp(attr, "cset_nth")) { + return Py_BuildValue( + "s", G_PARAM_SPEC_STRING(pspec)->cset_nth); + } else if (!strcmp(attr, "substitutor")) { + return Py_BuildValue( + "c", G_PARAM_SPEC_STRING(pspec)->substitutor); + } else if (!strcmp(attr, "null_fold_if_empty")) { + return PyBool_FromLong( + G_PARAM_SPEC_STRING(pspec)->null_fold_if_empty); + } else if (!strcmp(attr, "ensure_non_null")) { + return PyBool_FromLong( + G_PARAM_SPEC_STRING(pspec)->ensure_non_null); + } + } else { + if (!strcmp(attr, "__members__")) { + return Py_BuildValue("[ssssssss]", "__doc__", "__gtype__", "blurb", + "flags", "name", "nick", + "owner_type", "value_type"); + + /* This is actually not what's exported by GObjects paramspecs, + * But we exported this in earlier versions, so it's better to keep it here + * compatibility. But don't add it in __members__, to "hide" it. + */ + } else if (!strcmp(attr, "default_value")) { + /* XXX: Raise deprecation warning */ + Py_INCREF(Py_None); + return Py_None; + } + } + + PyErr_SetString(PyExc_AttributeError, attr); + return NULL; +} + +/** + * pyg_param_spec_new: + * @pspec: a GParamSpec. + * + * Creates a wrapper for a GParamSpec. + * + * Returns: the GParamSpec wrapper. + */ +PyObject * +pyg_param_spec_new(GParamSpec *pspec) +{ + PyGParamSpec *self; + + self = (PyGParamSpec *)PyObject_NEW(PyGParamSpec, + &PyGParamSpec_Type); + if (self == NULL) + return NULL; + + self->pspec = g_param_spec_ref(pspec); + return (PyObject *)self; +} + +void +pygobject_paramspec_register_types(PyObject *d) +{ + Py_TYPE(&PyGParamSpec_Type) = &PyType_Type; + PyGParamSpec_Type.tp_dealloc = (destructor)pyg_param_spec_dealloc; + PyGParamSpec_Type.tp_getattr = (getattrfunc)pyg_param_spec_getattr; + PyGParamSpec_Type.tp_compare = (cmpfunc)pyg_param_spec_compare; + PyGParamSpec_Type.tp_repr = (reprfunc)pyg_param_spec_repr; + PyGParamSpec_Type.tp_hash = (hashfunc)pyg_param_spec_hash; + + if (PyType_Ready(&PyGParamSpec_Type)) + return; + PyDict_SetItemString(d, "GParamSpec", (PyObject *)&PyGParamSpec_Type); +} |