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/* -*- Mode: C; c-basic-offset: 4 -*-
* pygtk- Python bindings for the GTK toolkit.
* Copyright (C) 1998-2006 James Henstridge
*
* gtkobject-support.c: some helper routines for the GTK module.
*
* 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
*/
/* this module provides some of the base functionality of the GtkObject
* wrapper system */
#include "pygtk-private.h"
/* ------------------- object support */
void
pygtk_custom_destroy_notify(gpointer user_data)
{
PyGtkCustomNotify *cunote = user_data;
PyGILState_STATE state;
g_return_if_fail(user_data);
state = pyg_gil_state_ensure();
Py_XDECREF(cunote->func);
Py_XDECREF(cunote->data);
pyg_gil_state_release(state);
g_free(cunote);
}
GdkAtom*
pygdk_atom_vector_from_sequence(PyObject *py_targets, gint *n_targets)
{
gint i;
GdkAtom *targets;
if (!(py_targets = PySequence_Fast(py_targets,
"targets must be a sequence")))
return NULL;
*n_targets = PySequence_Fast_GET_SIZE(py_targets);
targets = g_new(GdkAtom, *n_targets);
for (i = 0; i < *n_targets; i++) {
PyObject *trgt = PySequence_Fast_GET_ITEM(py_targets, i);
targets[i] = pygdk_atom_from_pyobject(trgt);
if (PyErr_Occurred()) {
PyErr_Clear();
PyErr_SetString(PyExc_TypeError,
"each 'targets' item must be a GdkAtom or string");
g_free(targets);
Py_DECREF(py_targets);
return NULL;
}
}
Py_DECREF(py_targets);
return targets;
}
GtkTargetList *
pygtk_target_list_from_sequence(PyObject *py_targets)
{
gint n_targets, i;
GtkTargetEntry *targets;
GtkTargetList *target_list;
if (!(py_targets = PySequence_Fast(py_targets,
"target list must be a sequence")))
return NULL;
n_targets = PySequence_Fast_GET_SIZE(py_targets);
targets = g_new(GtkTargetEntry, n_targets);
for (i = 0; i < n_targets; i++) {
PyObject *item = PySequence_Fast_GET_ITEM(py_targets, i);
if (!PyArg_ParseTuple(item, "sii", &targets[i].target,
&targets[i].flags, &targets[i].info)) {
PyErr_Clear();
PyErr_SetString(PyExc_TypeError,
"target list items should be of form (string,int,int)");
g_free(targets);
Py_DECREF(py_targets);
return NULL;
}
}
target_list = gtk_target_list_new(targets, n_targets);
g_free(targets);
Py_DECREF(py_targets);
return target_list;
}
PyObject *
pygtk_target_list_to_list(GtkTargetList *targets)
{
GList *tmp;
PyObject *list = PyList_New(0);
for (tmp = targets->list; tmp != NULL; tmp = tmp->next) {
GtkTargetPair *pair = tmp->data;
PyObject *item;
gchar * name = gdk_atom_name(pair->target);
item = Py_BuildValue("(Nii)",
PyString_FromString(name),
pair->flags, pair->info);
PyList_Append(list, item);
g_free(name);
Py_DECREF(item);
}
return list;
}
void
pygtk_boxed_unref_shared(PyObject *boxed)
{
if (boxed == Py_None) {
Py_DECREF(Py_None);
return;
}
PyGBoxed *pyboxed;
g_return_if_fail(boxed != NULL && PyObject_TypeCheck(boxed, &PyGBoxed_Type));
pyboxed = (PyGBoxed *) boxed;
if (pyboxed->ob_refcnt != 1) {
if (!pyboxed->free_on_dealloc) {
pyboxed->boxed = g_boxed_copy(pyboxed->gtype,
pyboxed->boxed);
pyboxed->free_on_dealloc = TRUE;
}
}
Py_DECREF(boxed);
}
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