1 files changed, 334 insertions, 0 deletions
diff --git a/gedit/gedit-plugin.c b/gedit/gedit-plugin.c
new file mode 100755
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--- /dev/null
+++ b/gedit/gedit-plugin.c
@@ -0,0 +1,334 @@
+/*
+ * gedit-plugin.h
+ * This file is part of gedit
+ *
+ * Copyright (C) 2002-2005 Paolo Maggi 
+ *
+ * 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. 
+ */
+ 
+/*
+ * Modified by the gedit Team, 2002-2005. See the AUTHORS file for a 
+ * list of people on the gedit Team. 
+ * See the ChangeLog files for a list of changes. 
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gedit-plugin.h"
+#include "gedit-dirs.h"
+
+/* properties */
+enum {
+ PROP_0,
+ PROP_INSTALL_DIR,
+ PROP_DATA_DIR_NAME,
+ PROP_DATA_DIR
+};
+
+typedef struct _GeditPluginPrivate GeditPluginPrivate;
+
+struct _GeditPluginPrivate
+{
+ gchar *install_dir;
+ gchar *data_dir_name;
+};
+
+#define GEDIT_PLUGIN_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), GEDIT_TYPE_PLUGIN, GeditPluginPrivate))
+
+G_DEFINE_TYPE(GeditPlugin, gedit_plugin, G_TYPE_OBJECT)
+
+static void
+dummy (GeditPlugin *plugin, GeditWindow *window)
+{
+ /* Empty */
+}
+
+static GtkWidget *
+create_configure_dialog (GeditPlugin *plugin)
+{
+ return NULL;
+}
+
+static gboolean
+is_configurable (GeditPlugin *plugin)
+{
+ return (GEDIT_PLUGIN_GET_CLASS (plugin)->create_configure_dialog !=
+ create_configure_dialog);
+}
+
+static void
+gedit_plugin_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id)
+ {
+ case PROP_INSTALL_DIR:
+ g_value_take_string (value, gedit_plugin_get_install_dir (GEDIT_PLUGIN (object)));
+ break;
+ case PROP_DATA_DIR:
+ g_value_take_string (value, gedit_plugin_get_data_dir (GEDIT_PLUGIN (object)));
+ break;
+ default:
+ g_return_if_reached ();
+ }
+}
+
+static void
+gedit_plugin_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GeditPluginPrivate *priv = GEDIT_PLUGIN_GET_PRIVATE (object);
+
+ switch (prop_id)
+ {
+ case PROP_INSTALL_DIR:
+ priv->install_dir = g_value_dup_string (value);
+ break;
+ case PROP_DATA_DIR_NAME:
+ priv->data_dir_name = g_value_dup_string (value);
+ break;
+ default:
+ g_return_if_reached ();
+ }
+}
+
+static void
+gedit_plugin_finalize (GObject *object)
+{
+ GeditPluginPrivate *priv = GEDIT_PLUGIN_GET_PRIVATE (object);
+
+ g_free (priv->install_dir);
+ g_free (priv->data_dir_name);
+
+ G_OBJECT_CLASS (gedit_plugin_parent_class)->finalize (object);
+}
+
+static void 
+gedit_plugin_class_init (GeditPluginClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ klass->activate = dummy;
+ klass->deactivate = dummy;
+ klass->update_ui = dummy;
+ 
+ klass->create_configure_dialog = create_configure_dialog;
+ klass->is_configurable = is_configurable;
+
+ object_class->get_property = gedit_plugin_get_property;
+ object_class->set_property = gedit_plugin_set_property;
+ object_class->finalize = gedit_plugin_finalize;
+
+ g_object_class_install_property (object_class,
+ PROP_INSTALL_DIR,
+ g_param_spec_string ("install-dir",
+ "Install Directory",
+ "The directory where the plugin is installed",
+ NULL,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+ /* the basename of the data dir is set at construction time by the plugin loader
+ * while the full path is constructed on the fly to take into account relocability
+ * that's why we have a writeonly prop and a readonly prop */
+ g_object_class_install_property (object_class,
+ PROP_DATA_DIR_NAME,
+ g_param_spec_string ("data-dir-name",
+ "Basename of the data directory",
+ "The basename of the directory where the plugin should look for its data files",
+ NULL,
+ G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+ PROP_DATA_DIR,
+ g_param_spec_string ("data-dir",
+ "Data Directory",
+ "The full path of the directory where the plugin should look for its data files",
+ NULL,
+ G_PARAM_READABLE));
+
+ g_type_class_add_private (klass, sizeof (GeditPluginPrivate));
+}
+
+static void
+gedit_plugin_init (GeditPlugin *plugin)
+{
+ /* Empty */
+}
+
+/**
+ * gedit_plugin_get_install_dir:
+ * @plugin: a #GeditPlugin
+ *
+ * Get the path of the directory where the plugin is installed.
+ *
+ * Return value: a newly allocated string with the path of the
+ * directory where the plugin is installed
+ */
+gchar *
+gedit_plugin_get_install_dir (GeditPlugin *plugin)
+{
+ g_return_val_if_fail (GEDIT_IS_PLUGIN (plugin), NULL);
+
+ return g_strdup (GEDIT_PLUGIN_GET_PRIVATE (plugin)->install_dir);
+}
+
+/**
+ * gedit_plugin_get_data_dir:
+ * @plugin: a #GeditPlugin
+ *
+ * Get the path of the directory where the plugin should look for
+ * its data files.
+ *
+ * Return value: a newly allocated string with the path of the
+ * directory where the plugin should look for its data files
+ */
+gchar *
+gedit_plugin_get_data_dir (GeditPlugin *plugin)
+{
+ GeditPluginPrivate *priv;
+ gchar *gedit_lib_dir;
+ gchar *data_dir;
+
+ g_return_val_if_fail (GEDIT_IS_PLUGIN (plugin), NULL);
+
+ priv = GEDIT_PLUGIN_GET_PRIVATE (plugin);
+
+ /* If it's a "user" plugin the data dir is
+ * install_dir/data_dir_name if instead it's a
+ * "system" plugin the data dir is under gedit_data_dir,
+ * so it's under $prefix/share/gedit-2/plugins/data_dir_name
+ * where data_dir_name usually it's the name of the plugin
+ */
+ gedit_lib_dir = gedit_dirs_get_gedit_lib_dir ();
+
+ /* CHECK: is checking the prefix enough or should we be more
+ * careful about normalizing paths etc? */
+ if (g_str_has_prefix (priv->install_dir, gedit_lib_dir))
+ {
+ gchar *gedit_data_dir;
+
+ gedit_data_dir = gedit_dirs_get_gedit_data_dir ();
+
+ data_dir = g_build_filename (gedit_data_dir,
+ "plugins",
+ priv->data_dir_name,
+ NULL);
+
+ g_free (gedit_data_dir);
+ }
+ else
+ {
+ data_dir = g_build_filename (priv->install_dir,
+ priv->data_dir_name,
+ NULL);
+ }
+
+ g_free (gedit_lib_dir);
+
+ return data_dir;
+}
+
+/**
+ * gedit_plugin_activate:
+ * @plugin: a #GeditPlugin
+ * @window: a #GeditWindow
+ * 
+ * Activates the plugin.
+ */
+void
+gedit_plugin_activate (GeditPlugin *plugin,
+ GeditWindow *window)
+{
+ g_return_if_fail (GEDIT_IS_PLUGIN (plugin));
+ g_return_if_fail (GEDIT_IS_WINDOW (window));
+ 
+ GEDIT_PLUGIN_GET_CLASS (plugin)->activate (plugin, window);
+}
+
+/**
+ * gedit_plugin_deactivate:
+ * @plugin: a #GeditPlugin
+ * @window: a #GeditWindow
+ * 
+ * Deactivates the plugin.
+ */
+void
+gedit_plugin_deactivate (GeditPlugin *plugin,
+ GeditWindow *window)
+{
+ g_return_if_fail (GEDIT_IS_PLUGIN (plugin));
+ g_return_if_fail (GEDIT_IS_WINDOW (window));
+
+ GEDIT_PLUGIN_GET_CLASS (plugin)->deactivate (plugin, window);
+}
+
+/**
+ * gedit_plugin_update_ui:
+ * @plugin: a #GeditPlugin
+ * @window: a #GeditWindow
+ *
+ * Triggers an update of the user interface to take into account state changes
+ * caused by the plugin.
+ */ 
+void
+gedit_plugin_update_ui (GeditPlugin *plugin,
+ GeditWindow *window)
+{
+ g_return_if_fail (GEDIT_IS_PLUGIN (plugin));
+ g_return_if_fail (GEDIT_IS_WINDOW (window));
+
+ GEDIT_PLUGIN_GET_CLASS (plugin)->update_ui (plugin, window);
+}
+
+/**
+ * gedit_plugin_is_configurable:
+ * @plugin: a #GeditPlugin
+ *
+ * Whether the plugin is configurable.
+ *
+ * Returns: TRUE if the plugin is configurable:
+ */
+gboolean
+gedit_plugin_is_configurable (GeditPlugin *plugin)
+{
+ g_return_val_if_fail (GEDIT_IS_PLUGIN (plugin), FALSE);
+
+ return GEDIT_PLUGIN_GET_CLASS (plugin)->is_configurable (plugin);
+}
+
+/**
+ * gedit_plugin_create_configure_dialog:
+ * @plugin: a #GeditPlugin
+ *
+ * Creates the configure dialog widget for the plugin.
+ *
+ * Returns: the configure dialog widget for the plugin.
+ */
+GtkWidget *
+gedit_plugin_create_configure_dialog (GeditPlugin *plugin)
+{
+ g_return_val_if_fail (GEDIT_IS_PLUGIN (plugin), NULL);
+ 
+ return GEDIT_PLUGIN_GET_CLASS (plugin)->create_configure_dialog (plugin);
+}