1 files changed, 281 insertions, 0 deletions
diff --git a/plugin-loaders/python/gedit-plugin-python.c b/plugin-loaders/python/gedit-plugin-python.c
new file mode 100755
index 00000000..0573828b
--- /dev/null
+++ b/plugin-loaders/python/gedit-plugin-python.c
@@ -0,0 +1,281 @@
+/*
+ * gedit-plugin-python.c
+ * This file is part of gedit
+ *
+ * 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., 59 Temple Place, Suite 330, 
+ * Boston, MA 02111-1307, USA. 
+ */
+
+#include <config.h>
+
+#include "gedit-plugin-python.h"
+
+#include <gedit/gedit-plugin.h>
+#include <gedit/gedit-debug.h>
+#include <pygobject.h>
+#include <string.h>
+
+#define GEDIT_PLUGIN_PYTHON_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), GEDIT_TYPE_PLUGIN_PYTHON, GeditPluginPythonPrivate))
+
+static GObjectClass *parent_class;
+
+struct _GeditPluginPythonPrivate 
+{
+ PyObject *instance;
+};
+
+static void gedit_plugin_python_class_init (GeditPluginPythonClass *klass);
+static void gedit_plugin_python_init (GeditPluginPython *plugin);
+
+G_DEFINE_TYPE (GeditPluginPython, gedit_plugin_python, GEDIT_TYPE_PLUGIN)
+
+static PyObject *
+call_python_method (GeditPluginPythonPrivate *priv,
+ GeditWindow *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 (GeditPlugin *plugin,
+ GeditWindow *window)
+{
+ PyGILState_STATE state = pyg_gil_state_ensure ();
+ GeditPluginPythonPrivate *priv = GEDIT_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
+ GEDIT_PLUGIN_CLASS (parent_class)->update_ui (plugin, window);
+
+ pyg_gil_state_release (state);
+}
+
+static void
+impl_deactivate (GeditPlugin *plugin,
+ GeditWindow *window)
+{
+ PyGILState_STATE state = pyg_gil_state_ensure ();
+ GeditPluginPythonPrivate *priv = GEDIT_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
+ GEDIT_PLUGIN_CLASS (parent_class)->deactivate (plugin, window);
+
+ pyg_gil_state_release (state);
+}
+
+static void
+impl_activate (GeditPlugin *plugin,
+ GeditWindow *window)
+{
+ PyGILState_STATE state = pyg_gil_state_ensure ();
+ GeditPluginPythonPrivate *priv = GEDIT_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
+ GEDIT_PLUGIN_CLASS (parent_class)->activate (plugin, window);
+ 
+ pyg_gil_state_release (state);
+}
+
+static GtkWidget *
+impl_create_configure_dialog (GeditPlugin *plugin)
+{
+ PyGILState_STATE state = pyg_gil_state_ensure ();
+ GeditPluginPythonPrivate *priv = GEDIT_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 = GEDIT_PLUGIN_CLASS (parent_class)->create_configure_dialog (plugin);
+ 
+ pyg_gil_state_release (state);
+ 
+ return ret;
+}
+
+static gboolean
+impl_is_configurable (GeditPlugin *plugin)
+{
+ PyGILState_STATE state = pyg_gil_state_ensure ();
+ GeditPluginPythonPrivate *priv = GEDIT_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
+_gedit_plugin_python_set_instance (GeditPluginPython *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 *
+_gedit_plugin_python_get_instance (GeditPluginPython *plugin)
+{
+ return plugin->priv->instance;
+}
+
+static void
+gedit_plugin_python_init (GeditPluginPython *plugin)
+{
+ plugin->priv = GEDIT_PLUGIN_PYTHON_GET_PRIVATE(plugin);
+
+ gedit_debug_message (DEBUG_PLUGINS, "Creating Python plugin instance");
+ plugin->priv->instance = 0;
+}
+
+static void
+gedit_plugin_python_finalize (GObject *object)
+{
+ PyGILState_STATE state;
+ 
+ gedit_debug_message (DEBUG_PLUGINS, "Finalizing Python plugin instance");
+
+ state = pyg_gil_state_ensure ();
+ Py_XDECREF (GEDIT_PLUGIN_PYTHON(object)->priv->instance);
+ pyg_gil_state_release (state);
+ 
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gedit_plugin_python_class_init (GeditPluginPythonClass *klass)
+{
+ GeditPluginClass *plugin_class = GEDIT_PLUGIN_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ g_type_class_add_private (klass, sizeof (GeditPluginPythonPrivate));
+ G_OBJECT_CLASS (klass)->finalize = gedit_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;
+}
+