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/* -*- Mode: C; c-basic-offset: 4 -*-
* vim: tabstop=4 shiftwidth=4 expandtab
*
* Copyright (C) 2005-2009 Johan Dahlin <johan@gnome.org>
*
* 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
*/
#ifndef __PYGI_H__
#define __PYGI_H__
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define NO_IMPORT_PYGOBJECT
#include <pygobject.h>
#if ENABLE_INTROSPECTION
#include <girepository.h>
typedef struct {
PyObject_HEAD
GIRepository *repository;
} PyGIRepository;
typedef struct {
PyObject_HEAD
GIBaseInfo *info;
PyObject *inst_weakreflist;
} PyGIBaseInfo;
typedef struct {
PyGPointer base;
gboolean free_on_dealloc;
} PyGIStruct;
typedef struct {
PyGBoxed base;
gboolean slice_allocated;
gsize size;
} PyGIBoxed;
typedef PyObject * (*PyGIArgOverrideToGIArgumentFunc) (PyObject *value,
GITypeInfo *type_info,
GITransfer transfer,
GIArgument *arg);
typedef PyObject * (*PyGIArgOverrideFromGIArgumentFunc) (GITypeInfo *type_info,
gpointer data);
typedef PyObject * (*PyGIArgOverrideReleaseFunc) (GITypeInfo *type_info,
gpointer struct_);
struct PyGI_API {
PyObject* (*type_import_by_g_type) (GType g_type);
PyObject* (*get_property_value) (PyGObject *instance,
const gchar *attr_name);
gint (*set_property_value) (PyGObject *instance,
const gchar *attr_name,
PyObject *value);
GClosure * (*signal_closure_new) (PyGObject *instance,
const gchar *sig_name,
PyObject *callback,
PyObject *extra_args,
PyObject *swap_data);
void (*register_foreign_struct) (const char* namespace_,
const char* name,
PyGIArgOverrideToGIArgumentFunc to_func,
PyGIArgOverrideFromGIArgumentFunc from_func,
PyGIArgOverrideReleaseFunc release_func);
};
static struct PyGI_API *PyGI_API = NULL;
static int
_pygi_import (void)
{
PyObject *modules_dict;
if (PyGI_API != NULL) {
return 1;
}
modules_dict = PyImport_GetModuleDict(); /* borrowed reference -- don't unref */
if (PyMapping_HasKeyString(modules_dict, "gi")) {
#if PY_VERSION_HEX >= 0x03000000
PyGI_API = (struct PyGI_API*) PyCapsule_Import("gi._API", FALSE);
#else
PyGI_API = (struct PyGI_API*) PyCObject_Import("gi", "_API");
#endif
}
if (PyGI_API == NULL) {
return -1;
}
return 0;
}
static inline PyObject *
pygi_type_import_by_g_type (GType g_type)
{
if (_pygi_import() < 0) {
return NULL;
}
return PyGI_API->type_import_by_g_type(g_type);
}
static inline PyObject *
pygi_get_property_value (PyGObject *instance,
const gchar *attr_name)
{
if (_pygi_import() < 0) {
return NULL;
}
return PyGI_API->get_property_value(instance, attr_name);
}
static inline gint
pygi_set_property_value (PyGObject *instance,
const gchar *attr_name,
PyObject *value)
{
if (_pygi_import() < 0) {
return -1;
}
return PyGI_API->set_property_value(instance, attr_name, value);
}
static inline GClosure *
pygi_signal_closure_new (PyGObject *instance,
const gchar *sig_name,
PyObject *callback,
PyObject *extra_args,
PyObject *swap_data)
{
if (_pygi_import() < 0) {
return NULL;
}
return PyGI_API->signal_closure_new(instance, sig_name, callback, extra_args, swap_data);
}
static inline PyObject *
pygi_register_foreign_struct (const char* namespace_,
const char* name,
PyGIArgOverrideToGIArgumentFunc to_func,
PyGIArgOverrideFromGIArgumentFunc from_func,
PyGIArgOverrideReleaseFunc release_func)
{
if (_pygi_import() < 0) {
return NULL;
}
PyGI_API->register_foreign_struct(namespace_,
name,
to_func,
from_func,
release_func);
Py_RETURN_NONE;
}
#else /* ENABLE_INTROSPECTION */
static inline PyObject *
pygi_type_import_by_g_type (GType g_type)
{
return NULL;
}
static inline PyObject *
pygi_get_property_value (PyGObject *instance,
const gchar *attr_name)
{
return NULL;
}
static inline gint
pygi_set_property_value (PyGObject *instance,
const gchar *attr_name,
PyObject *value)
{
return -1;
}
static inline GClosure *
pygi_signal_closure_new (PyGObject *instance,
const gchar *sig_name,
PyObject *callback,
PyObject *extra_args,
PyObject *swap_data)
{
return NULL;
}
#endif /* ENABLE_INTROSPECTION */
#endif /* __PYGI_H__ */
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