/* Chrysalide - Outil d'analyse de fichiers binaires * named.c - prototypes pour l'équivalent Python du fichier "gtkext/named.c" * * Copyright (C) 2020 Cyrille Bagard * * This file is part of Chrysalide. * * Chrysalide 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; either version 3 of the License, or * (at your option) any later version. * * Chrysalide 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "named.h" #include #include #include #include "../access.h" #include "../helpers.h" #include "../glibext/named.h" /* ------------------------ GLUE POUR CREATION DEPUIS PYTHON ------------------------ */ /* Accompagne la création d'une instance dérivée en Python. */ static PyObject *py_built_named_widget_new(PyTypeObject *, PyObject *, PyObject *); /* Initialise une instance sur la base du dérivé de GObject. */ static int py_built_named_widget_init(PyObject *, PyObject *, PyObject *); /* --------------------------- MANIPULATION DE COMPOSANTS --------------------------- */ /* Fournit le constructeur facilitant l'affichage. */ static PyObject *py_built_named_widget_get_builder(PyObject *, void *); /* ---------------------------------------------------------------------------------- */ /* GLUE POUR CREATION DEPUIS PYTHON */ /* ---------------------------------------------------------------------------------- */ /****************************************************************************** * * * Paramètres : type = type du nouvel objet à mettre en place. * * args = éventuelle liste d'arguments. * * kwds = éventuel dictionnaire de valeurs mises à disposition. * * * * Description : Accompagne la création d'une instance dérivée en Python. * * * * Retour : Nouvel objet Python mis en place ou NULL en cas d'échec. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_built_named_widget_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { PyObject *result; /* Objet à retourner */ PyTypeObject *base; /* Type de base à dériver */ bool first_time; /* Evite les multiples passages*/ GType gtype; /* Nouveau type de processeur */ bool status; /* Bilan d'un enregistrement */ /* Validations diverses */ base = get_python_built_named_widget_type(); if (type == base) goto simple_way; /* Mise en place d'un type dédié */ first_time = (g_type_from_name(type->tp_name) == 0); gtype = build_dynamic_type(GTK_TYPE_BUILT_NAMED_WIDGET, type->tp_name, NULL, NULL, NULL); if (first_time) { status = register_class_for_dynamic_pygobject(gtype, type); if (!status) { result = NULL; goto exit; } } /* On crée, et on laisse ensuite la main à PyGObject_Type.tp_init() */ simple_way: result = PyType_GenericNew(type, args, kwds); exit: return result; } /****************************************************************************** * * * Paramètres : self = objet à initialiser (théoriquement). * * args = arguments fournis à l'appel. * * kwds = arguments de type key=val fournis. * * * * Description : Initialise une instance sur la base du dérivé de GObject. * * * * Retour : 0. * * * * Remarques : - * * * ******************************************************************************/ static int py_built_named_widget_init(PyObject *self, PyObject *args, PyObject *kwds) { const char *name; /* Désignation courte à lier */ const char *lname; /* Description longue associée */ const char *path; /* Fichier à charger */ int ret; /* Bilan de lecture des args. */ GtkBuiltNamedWidget *widget; /* Instance native à consulter */ #define BUILT_NAMED_WIDGET_DOC \ "The BuiltNamedWidget object offers a quick way to get a working" \ " implementation of the pychrysalide.glibext.NamedWidget interface by" \ " relying on an external resource file for widgets.\n" \ "\n" \ "These widgets are managed using a Gtk.Builder instance internally.\n" \ "\n" \ "Instances can be created using the following constructor:\n" \ "\n" \ " BuiltNamedWidget(name, lname, filename)" \ "\n" \ "Where *name* is a short description to link to the result, *lname* is" \ " a longer version of this description and *filename* points to the" \ " file containing the widgets definition to load." \ /* Récupération des paramètres */ ret = PyArg_ParseTuple(args, "sss", &name, &lname, &path); if (!ret) return -1; /* Initialisation d'un objet GLib */ ret = forward_pygobjet_init(self); if (ret == -1) return -1; /* Eléments de base */ widget = GTK_BUILT_NAMED_WIDGET(pygobject_get(self)); widget->name = strdup(name); widget->lname = strdup(lname); widget->builder = gtk_builder_new_from_file(path); return 0; } /* ---------------------------------------------------------------------------------- */ /* MANIPULATION DE COMPOSANTS */ /* ---------------------------------------------------------------------------------- */ /****************************************************************************** * * * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * * Description : Fournit le constructeur facilitant l'affichage. * * * * Retour : Constructeur mis en place. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_built_named_widget_get_builder(PyObject *self, void *closure) { PyObject *result; /* Contenu binaire à retourner */ GtkBuiltNamedWidget *widget; /* Instance native à consulter */ GtkBuilder *builder; /* Constructeur à retourner */ #define BUILT_NAMED_WIDGET_BUILDER_ATTRIB PYTHON_GET_DEF_FULL \ ( \ builder, py_built_named_widget, \ "Gtk.Builder instance handling all the widgets loaded from a" \ " resource file, or None in case of loading errors." \ ) widget = GTK_BUILT_NAMED_WIDGET(pygobject_get(self)); builder = gtk_built_named_widget_get_builder(widget); if (builder != NULL) { result = pygobject_new(G_OBJECT(builder)); g_object_unref(G_OBJECT(builder)); } else { result = Py_None; Py_INCREF(result); } return result; } /****************************************************************************** * * * Paramètres : - * * * * Description : Fournit un accès à une définition de type à diffuser. * * * * Retour : Définition d'objet pour Python. * * * * Remarques : - * * * ******************************************************************************/ PyTypeObject *get_python_built_named_widget_type(void) { static PyMethodDef py_built_named_widget_methods[] = { { NULL } }; static PyGetSetDef py_built_named_widget_getseters[] = { BUILT_NAMED_WIDGET_BUILDER_ATTRIB, { NULL } }; static PyTypeObject py_built_named_widget_type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "pychrysalide.gtkext.BuiltNamedWidget", .tp_basicsize = sizeof(PyGObject), .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, .tp_doc = BUILT_NAMED_WIDGET_DOC, .tp_methods = py_built_named_widget_methods, .tp_getset = py_built_named_widget_getseters, .tp_init = py_built_named_widget_init, .tp_new = py_built_named_widget_new }; return &py_built_named_widget_type; } /****************************************************************************** * * * Paramètres : module = module dont la définition est à compléter. * * * * Description : Prend en charge l'objet 'pychrysalide....BuiltNamedWidget'. * * * * Retour : Bilan de l'opération. * * * * Remarques : - * * * ******************************************************************************/ bool ensure_python_built_named_widget_is_registered(void) { PyTypeObject *type; /* Type 'BuiltNamedWidget' */ PyObject *module; /* Module à recompléter */ PyObject *dict; /* Dictionnaire du module */ type = get_python_built_named_widget_type(); if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) { module = get_access_to_python_module("pychrysalide.gtkext"); dict = PyModule_GetDict(module); if (!ensure_python_named_widget_is_registered()) return false; if (!register_class_for_pygobject(dict, GTK_TYPE_BUILT_NAMED_WIDGET, type)) return false; } return true; }