282 lines
6.9 KiB
C
282 lines
6.9 KiB
C
/*
|
|
* xedit-plugin-python.c
|
|
* This file is part of xedit
|
|
*
|
|
* Copyright (C) 2005 Raphael Slinckx
|
|
* Copyright (C) 2008 Jesse van den Kieboom
|
|
*
|
|
* This program 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 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "xedit-plugin-python.h"
|
|
|
|
#include <xedit/xedit-plugin.h>
|
|
#include <xedit/xedit-debug.h>
|
|
#include <pygobject.h>
|
|
#include <string.h>
|
|
|
|
#define XEDIT_PLUGIN_PYTHON_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), XEDIT_TYPE_PLUGIN_PYTHON, XeditPluginPythonPrivate))
|
|
|
|
static GObjectClass *parent_class;
|
|
|
|
struct _XeditPluginPythonPrivate
|
|
{
|
|
PyObject *instance;
|
|
};
|
|
|
|
static void xedit_plugin_python_class_init (XeditPluginPythonClass *klass);
|
|
static void xedit_plugin_python_init (XeditPluginPython *plugin);
|
|
|
|
G_DEFINE_TYPE (XeditPluginPython, xedit_plugin_python, XEDIT_TYPE_PLUGIN)
|
|
|
|
static PyObject *
|
|
call_python_method (XeditPluginPythonPrivate *priv,
|
|
XeditWindow *window,
|
|
gchar *method)
|
|
{
|
|
PyObject *py_ret = NULL;
|
|
|
|
g_return_val_if_fail (PyObject_HasAttrString (priv->instance, method), NULL);
|
|
|
|
if (window == NULL)
|
|
{
|
|
py_ret = PyObject_CallMethod (priv->instance,
|
|
method,
|
|
NULL);
|
|
}
|
|
else
|
|
{
|
|
py_ret = PyObject_CallMethod (priv->instance,
|
|
method,
|
|
"(N)",
|
|
pygobject_new (G_OBJECT (window)));
|
|
}
|
|
|
|
if (!py_ret)
|
|
PyErr_Print ();
|
|
|
|
return py_ret;
|
|
}
|
|
|
|
static gboolean
|
|
check_py_object_is_gtk_widget (PyObject *py_obj)
|
|
{
|
|
static PyTypeObject *_PyGtkWidget_Type = NULL;
|
|
|
|
if (_PyGtkWidget_Type == NULL)
|
|
{
|
|
PyObject *module;
|
|
|
|
if ((module = PyImport_ImportModule ("gtk")))
|
|
{
|
|
PyObject *moddict = PyModule_GetDict (module);
|
|
_PyGtkWidget_Type = (PyTypeObject *) PyDict_GetItemString (moddict, "Widget");
|
|
}
|
|
|
|
if (_PyGtkWidget_Type == NULL)
|
|
{
|
|
PyErr_SetString(PyExc_TypeError, "could not find Python gtk widget type");
|
|
PyErr_Print();
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return PyObject_TypeCheck (py_obj, _PyGtkWidget_Type) ? TRUE : FALSE;
|
|
}
|
|
|
|
static void
|
|
impl_update_ui (XeditPlugin *plugin,
|
|
XeditWindow *window)
|
|
{
|
|
PyGILState_STATE state = pyg_gil_state_ensure ();
|
|
XeditPluginPythonPrivate *priv = XEDIT_PLUGIN_PYTHON(plugin)->priv;
|
|
|
|
if (PyObject_HasAttrString (priv->instance, "update_ui"))
|
|
{
|
|
PyObject *py_ret = call_python_method (priv, window, "update_ui");
|
|
|
|
if (py_ret)
|
|
{
|
|
Py_XDECREF (py_ret);
|
|
}
|
|
}
|
|
else
|
|
XEDIT_PLUGIN_CLASS (parent_class)->update_ui (plugin, window);
|
|
|
|
pyg_gil_state_release (state);
|
|
}
|
|
|
|
static void
|
|
impl_deactivate (XeditPlugin *plugin,
|
|
XeditWindow *window)
|
|
{
|
|
PyGILState_STATE state = pyg_gil_state_ensure ();
|
|
XeditPluginPythonPrivate *priv = XEDIT_PLUGIN_PYTHON(plugin)->priv;
|
|
|
|
if (PyObject_HasAttrString (priv->instance, "deactivate"))
|
|
{
|
|
PyObject *py_ret = call_python_method (priv, window, "deactivate");
|
|
|
|
if (py_ret)
|
|
{
|
|
Py_XDECREF (py_ret);
|
|
}
|
|
}
|
|
else
|
|
XEDIT_PLUGIN_CLASS (parent_class)->deactivate (plugin, window);
|
|
|
|
pyg_gil_state_release (state);
|
|
}
|
|
|
|
static void
|
|
impl_activate (XeditPlugin *plugin,
|
|
XeditWindow *window)
|
|
{
|
|
PyGILState_STATE state = pyg_gil_state_ensure ();
|
|
XeditPluginPythonPrivate *priv = XEDIT_PLUGIN_PYTHON(plugin)->priv;
|
|
|
|
if (PyObject_HasAttrString (priv->instance, "activate"))
|
|
{
|
|
PyObject *py_ret = call_python_method (priv, window, "activate");
|
|
|
|
if (py_ret)
|
|
{
|
|
Py_XDECREF (py_ret);
|
|
}
|
|
}
|
|
else
|
|
XEDIT_PLUGIN_CLASS (parent_class)->activate (plugin, window);
|
|
|
|
pyg_gil_state_release (state);
|
|
}
|
|
|
|
static GtkWidget *
|
|
impl_create_configure_dialog (XeditPlugin *plugin)
|
|
{
|
|
PyGILState_STATE state = pyg_gil_state_ensure ();
|
|
XeditPluginPythonPrivate *priv = XEDIT_PLUGIN_PYTHON(plugin)->priv;
|
|
GtkWidget *ret = NULL;
|
|
|
|
if (PyObject_HasAttrString (priv->instance, "create_configure_dialog"))
|
|
{
|
|
PyObject *py_ret = call_python_method (priv, NULL, "create_configure_dialog");
|
|
|
|
if (py_ret)
|
|
{
|
|
if (check_py_object_is_gtk_widget (py_ret))
|
|
{
|
|
ret = GTK_WIDGET (pygobject_get (py_ret));
|
|
g_object_ref (ret);
|
|
}
|
|
else
|
|
{
|
|
PyErr_SetString(PyExc_TypeError, "return value for create_configure_dialog is not a GtkWidget");
|
|
PyErr_Print();
|
|
}
|
|
|
|
Py_DECREF (py_ret);
|
|
}
|
|
}
|
|
else
|
|
ret = XEDIT_PLUGIN_CLASS (parent_class)->create_configure_dialog (plugin);
|
|
|
|
pyg_gil_state_release (state);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
impl_is_configurable (XeditPlugin *plugin)
|
|
{
|
|
PyGILState_STATE state = pyg_gil_state_ensure ();
|
|
XeditPluginPythonPrivate *priv = XEDIT_PLUGIN_PYTHON(plugin)->priv;
|
|
PyObject *dict = priv->instance->ob_type->tp_dict;
|
|
gboolean result;
|
|
|
|
if (dict == NULL)
|
|
result = FALSE;
|
|
else if (!PyDict_Check(dict))
|
|
result = FALSE;
|
|
else
|
|
result = PyDict_GetItemString(dict, "create_configure_dialog") != NULL;
|
|
|
|
pyg_gil_state_release (state);
|
|
|
|
return result;
|
|
}
|
|
|
|
void
|
|
_xedit_plugin_python_set_instance (XeditPluginPython *plugin,
|
|
PyObject *instance)
|
|
{
|
|
PyGILState_STATE state = pyg_gil_state_ensure ();
|
|
|
|
/* we don't increment the instance here because we are the instance,
|
|
when it dies, we also die */
|
|
plugin->priv->instance = instance;
|
|
pyg_gil_state_release (state);
|
|
}
|
|
|
|
PyObject *
|
|
_xedit_plugin_python_get_instance (XeditPluginPython *plugin)
|
|
{
|
|
return plugin->priv->instance;
|
|
}
|
|
|
|
static void
|
|
xedit_plugin_python_init (XeditPluginPython *plugin)
|
|
{
|
|
plugin->priv = XEDIT_PLUGIN_PYTHON_GET_PRIVATE(plugin);
|
|
|
|
xedit_debug_message (DEBUG_PLUGINS, "Creating Python plugin instance");
|
|
plugin->priv->instance = 0;
|
|
}
|
|
|
|
static void
|
|
xedit_plugin_python_finalize (GObject *object)
|
|
{
|
|
PyGILState_STATE state;
|
|
|
|
xedit_debug_message (DEBUG_PLUGINS, "Finalizing Python plugin instance");
|
|
|
|
state = pyg_gil_state_ensure ();
|
|
Py_XDECREF (XEDIT_PLUGIN_PYTHON(object)->priv->instance);
|
|
pyg_gil_state_release (state);
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
xedit_plugin_python_class_init (XeditPluginPythonClass *klass)
|
|
{
|
|
XeditPluginClass *plugin_class = XEDIT_PLUGIN_CLASS (klass);
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
g_type_class_add_private (klass, sizeof (XeditPluginPythonPrivate));
|
|
G_OBJECT_CLASS (klass)->finalize = xedit_plugin_python_finalize;
|
|
|
|
plugin_class->activate = impl_activate;
|
|
plugin_class->deactivate = impl_deactivate;
|
|
plugin_class->update_ui = impl_update_ui;
|
|
plugin_class->create_configure_dialog = impl_create_configure_dialog;
|
|
plugin_class->is_configurable = impl_is_configurable;
|
|
}
|
|
|