xed/plugins/modelines/xed-modeline-plugin.c

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/*
* xed-modeline-plugin.c
* Emacs, Kate and Vim-style modelines support for xed.
*
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* Copyright (C) 2005-2007 - Steve Frécinaux <code@istique.net>
*
* 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, or (at your option)
* any later version.
*
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* 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
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
# include <config.h>
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#endif
#include <glib/gi18n-lib.h>
#include <gmodule.h>
#include "xed-modeline-plugin.h"
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#include "modeline-parser.h"
#include <xed/xed-debug.h>
#include <xed/xed-view-activatable.h>
#include <xed/xed-view.h>
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struct _XedModelinePluginPrivate
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{
XedView *view;
gulong document_loaded_handler_id;
gulong document_saved_handler_id;
};
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enum
{
PROP_0,
PROP_VIEW
};
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static void xed_view_activatable_iface_init (XedViewActivatableInterface *iface);
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G_DEFINE_DYNAMIC_TYPE_EXTENDED (XedModelinePlugin,
xed_modeline_plugin,
PEAS_TYPE_EXTENSION_BASE,
0,
G_IMPLEMENT_INTERFACE_DYNAMIC (XED_TYPE_VIEW_ACTIVATABLE,
xed_view_activatable_iface_init))
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static void
xed_modeline_plugin_constructed (GObject *object)
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{
gchar *data_dir;
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data_dir = peas_extension_base_get_data_dir (PEAS_EXTENSION_BASE (object));
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modeline_parser_init (data_dir);
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g_free (data_dir);
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G_OBJECT_CLASS (xed_modeline_plugin_parent_class)->constructed (object);
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}
static void
xed_modeline_plugin_init (XedModelinePlugin *plugin)
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{
xed_debug_message (DEBUG_PLUGINS, "XedModelinePlugin initializing");
plugin->priv = G_TYPE_INSTANCE_GET_PRIVATE (plugin,
XED_TYPE_MODELINE_PLUGIN,
XedModelinePluginPrivate);
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}
static void
xed_modeline_plugin_dispose (GObject *object)
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{
XedModelinePlugin *plugin = XED_MODELINE_PLUGIN (object);
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xed_debug_message (DEBUG_PLUGINS, "XedModelinePlugin disposing");
g_clear_object (&plugin->priv->view);
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G_OBJECT_CLASS (xed_modeline_plugin_parent_class)->dispose (object);
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}
static void
xed_modeline_plugin_finalize (GObject *object)
{
xed_debug_message (DEBUG_PLUGINS, "XedModelinePlugin finalizing");
modeline_parser_shutdown ();
G_OBJECT_CLASS (xed_modeline_plugin_parent_class)->finalize (object);
}
static void
xed_modeline_plugin_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
XedModelinePlugin *plugin = XED_MODELINE_PLUGIN (object);
switch (prop_id)
{
case PROP_VIEW:
plugin->priv->view = XED_VIEW (g_value_dup_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xed_modeline_plugin_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
XedModelinePlugin *plugin = XED_MODELINE_PLUGIN (object);
switch (prop_id)
{
case PROP_VIEW:
g_value_set_object (value, plugin->priv->view);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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static void
on_document_loaded_or_saved (XedDocument *document,
const GError *error,
GtkSourceView *view)
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{
modeline_parser_apply_modeline (view);
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}
static void
xed_modeline_plugin_activate (XedViewActivatable *activatable)
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{
XedModelinePlugin *plugin;
GtkTextBuffer *doc;
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xed_debug (DEBUG_PLUGINS);
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plugin = XED_MODELINE_PLUGIN (activatable);
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modeline_parser_apply_modeline (GTK_SOURCE_VIEW (plugin->priv->view));
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doc = gtk_text_view_get_buffer (GTK_TEXT_VIEW (plugin->priv->view));
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plugin->priv->document_loaded_handler_id =
g_signal_connect (doc, "loaded",
G_CALLBACK (on_document_loaded_or_saved), plugin->priv->view);
plugin->priv->document_saved_handler_id =
g_signal_connect (doc, "saved",
G_CALLBACK (on_document_loaded_or_saved), plugin->priv->view);
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}
static void
xed_modeline_plugin_deactivate (XedViewActivatable *activatable)
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{
XedModelinePlugin *plugin;
GtkTextBuffer *doc;
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xed_debug (DEBUG_PLUGINS);
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plugin = XED_MODELINE_PLUGIN (activatable);
doc = gtk_text_view_get_buffer (GTK_TEXT_VIEW (plugin->priv->view));
g_signal_handler_disconnect (doc, plugin->priv->document_loaded_handler_id);
g_signal_handler_disconnect (doc, plugin->priv->document_saved_handler_id);
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}
static void
xed_modeline_plugin_class_init (XedModelinePluginClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = xed_modeline_plugin_constructed;
object_class->dispose = xed_modeline_plugin_dispose;
object_class->finalize = xed_modeline_plugin_finalize;
object_class->set_property = xed_modeline_plugin_set_property;
object_class->get_property = xed_modeline_plugin_get_property;
g_object_class_override_property (object_class, PROP_VIEW, "view");
g_type_class_add_private (klass, sizeof (XedModelinePluginPrivate));
}
static void
xed_view_activatable_iface_init (XedViewActivatableInterface *iface)
{
iface->activate = xed_modeline_plugin_activate;
iface->deactivate = xed_modeline_plugin_deactivate;
}
static void
xed_modeline_plugin_class_finalize (XedModelinePluginClass *klass)
{
/* dummy function - used by G_DEFINE_DYNAMIC_TYPE_EXTENDED */
}
G_MODULE_EXPORT void
peas_register_types (PeasObjectModule *module)
{
xed_modeline_plugin_register_type (G_TYPE_MODULE (module));
peas_object_module_register_extension_type (module,
XED_TYPE_VIEW_ACTIVATABLE,
XED_TYPE_MODELINE_PLUGIN);
}