initial

1 files changed, 248 insertions, 0 deletions

diff --git a/plugins/modelines/gedit-modeline-plugin.c b/plugins/modelines/gedit-modeline-plugin.c
new file mode 100755
index 00000000..49fc2f69
--- /dev/null
+++ b/plugins/modelines/gedit-modeline-plugin.c
@@ -0,0 +1,248 @@
+/*
+ * gedit-modeline-plugin.c
+ * Emacs, Kate and Vim-style modelines support for gedit.
+ * 
+ * Copyright (C) 2005-2007 - Steve Frécinaux <[email protected]>
+ *
+ * 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.
+ * 
+ * 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.
+ */
+ 
+#ifdef HAVE_CONFIG_H
+#	include <config.h>
+#endif
+
+#include <glib/gi18n-lib.h>
+#include <gmodule.h>
+#include "gedit-modeline-plugin.h"
+#include "modeline-parser.h"
+
+#include <gedit/gedit-debug.h>
+#include <gedit/gedit-utils.h>
+
+#define WINDOW_DATA_KEY "GeditModelinePluginWindowData"
+#define DOCUMENT_DATA_KEY "GeditModelinePluginDocumentData"
+
+typedef struct
+{
+	gulong tab_added_handler_id;
+	gulong tab_removed_handler_id;
+} WindowData;
+
+typedef struct
+{
+	gulong document_loaded_handler_id;
+	gulong document_saved_handler_id;
+} DocumentData;
+
+static void	gedit_modeline_plugin_activate (GeditPlugin *plugin, GeditWindow *window);
+static void	gedit_modeline_plugin_deactivate (GeditPlugin *plugin, GeditWindow *window);
+static GObject	*gedit_modeline_plugin_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_param);
+static void	gedit_modeline_plugin_finalize (GObject *object);
+
+GEDIT_PLUGIN_REGISTER_TYPE(GeditModelinePlugin, gedit_modeline_plugin)
+
+static void
+window_data_free (WindowData *wdata)
+{
+	g_slice_free (WindowData, wdata);
+}
+
+static void
+document_data_free (DocumentData *ddata)
+{
+	g_slice_free (DocumentData, ddata);
+}
+
+static void
+gedit_modeline_plugin_class_init (GeditModelinePluginClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	GeditPluginClass *plugin_class = GEDIT_PLUGIN_CLASS (klass);
+
+	object_class->constructor = gedit_modeline_plugin_constructor;
+	object_class->finalize = gedit_modeline_plugin_finalize;
+
+	plugin_class->activate = gedit_modeline_plugin_activate;
+	plugin_class->deactivate = gedit_modeline_plugin_deactivate;
+}
+
+static GObject *
+gedit_modeline_plugin_constructor (GType                  type,
+				   guint                  n_construct_properties,
+				   GObjectConstructParam *construct_param)
+{
+	GObject *object;
+	gchar *data_dir;
+
+	object = G_OBJECT_CLASS (gedit_modeline_plugin_parent_class)->constructor (type,
+										   n_construct_properties,
+										   construct_param);
+
+	data_dir = gedit_plugin_get_data_dir (GEDIT_PLUGIN (object));
+
+	modeline_parser_init (data_dir);
+
+	g_free (data_dir);
+
+	return object;
+}
+
+static void
+gedit_modeline_plugin_init (GeditModelinePlugin *plugin)
+{
+	gedit_debug_message (DEBUG_PLUGINS, "GeditModelinePlugin initializing");
+}
+
+static void
+gedit_modeline_plugin_finalize (GObject *object)
+{
+	gedit_debug_message (DEBUG_PLUGINS, "GeditModelinePlugin finalizing");
+
+	modeline_parser_shutdown ();
+
+	G_OBJECT_CLASS (gedit_modeline_plugin_parent_class)->finalize (object);
+}
+
+static void
+on_document_loaded_or_saved (GeditDocument *document,
+			     const GError  *error,
+			     GtkSourceView *view)
+{
+	modeline_parser_apply_modeline (view);
+}
+
+static void
+connect_handlers (GeditView *view)
+{
+	DocumentData *data;
+        GtkTextBuffer *doc;
+
+        doc = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+
+        data = g_slice_new (DocumentData);
+
+	data->document_loaded_handler_id =
+		g_signal_connect (doc, "loaded",
+				  G_CALLBACK (on_document_loaded_or_saved),
+				  view);
+	data->document_saved_handler_id =
+		g_signal_connect (doc, "saved",
+				  G_CALLBACK (on_document_loaded_or_saved),
+				  view);
+
+	g_object_set_data_full (G_OBJECT (doc), DOCUMENT_DATA_KEY,
+				data, (GDestroyNotify) document_data_free);
+}
+
+static void
+disconnect_handlers (GeditView *view)
+{
+	DocumentData *data;
+	GtkTextBuffer *doc;
+
+	doc = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+
+	data = g_object_steal_data (G_OBJECT (doc), DOCUMENT_DATA_KEY);
+
+	if (data)
+	{
+		g_signal_handler_disconnect (doc, data->document_loaded_handler_id);
+		g_signal_handler_disconnect (doc, data->document_saved_handler_id);
+
+		document_data_free (data);
+	}
+	else
+	{
+		g_warning ("Modeline handlers not found");
+	}
+}
+
+static void
+on_window_tab_added (GeditWindow *window,
+		     GeditTab *tab,
+		     gpointer user_data)
+{
+	connect_handlers (gedit_tab_get_view (tab));
+}
+
+static void
+on_window_tab_removed (GeditWindow *window,
+		       GeditTab *tab,
+		       gpointer user_data)
+{
+	disconnect_handlers (gedit_tab_get_view (tab));
+}
+
+static void
+gedit_modeline_plugin_activate (GeditPlugin *plugin,
+				GeditWindow *window)
+{
+	WindowData *wdata;
+	GList *views;
+	GList *l;
+
+	gedit_debug (DEBUG_PLUGINS);
+
+	views = gedit_window_get_views (window);
+	for (l = views; l != NULL; l = l->next)
+	{
+		connect_handlers (GEDIT_VIEW (l->data));
+		modeline_parser_apply_modeline (GTK_SOURCE_VIEW (l->data));
+	}
+	g_list_free (views);
+
+	wdata = g_slice_new (WindowData);
+
+	wdata->tab_added_handler_id =
+		g_signal_connect (window, "tab-added",
+				  G_CALLBACK (on_window_tab_added), NULL);
+
+	wdata->tab_removed_handler_id =
+		g_signal_connect (window, "tab-removed",
+				  G_CALLBACK (on_window_tab_removed), NULL);
+
+	g_object_set_data_full (G_OBJECT (window), WINDOW_DATA_KEY,
+				wdata, (GDestroyNotify) window_data_free);
+}
+
+static void
+gedit_modeline_plugin_deactivate (GeditPlugin *plugin,
+				  GeditWindow *window)
+{
+	WindowData *wdata;
+	GList *views;
+	GList *l;
+
+	gedit_debug (DEBUG_PLUGINS);
+
+	wdata = g_object_steal_data (G_OBJECT (window), WINDOW_DATA_KEY);
+
+	g_signal_handler_disconnect (window, wdata->tab_added_handler_id);
+	g_signal_handler_disconnect (window, wdata->tab_removed_handler_id);
+
+	window_data_free (wdata);
+
+	views = gedit_window_get_views (window);
+
+	for (l = views; l != NULL; l = l->next)
+	{
+		disconnect_handlers (GEDIT_VIEW (l->data));
+		
+		modeline_parser_deactivate (GTK_SOURCE_VIEW (l->data));
+	}
+	
+	g_list_free (views);
+}
+