Patch for notebook.c file in Geany to add an item to open the file in a new instance of Geany to the tabs' right-click menu when the tab contains a saved file.

"Open in a New Tab" for Geany

--- geany-svn/src/notebook.c	2010-11-21 20:53:12.943333841 -0800
+++ geany-local/src/notebook.c	2010-11-21 20:54:20.836667216 -0800
@@ -193,10 +193,35 @@
 }
 
 
+static void on_open_in_new_window_activate(GtkMenuItem *menuitem, gpointer user_data)
+{
+	gchar **argv;
+	gchar *doc_path;
+	gchar *geany_path;
+	GError *err = NULL;
+
+	doc_path = (gchar *)user_data;
+	geany_path = g_find_program_in_path("geany"); /* is it ok? */
+
+	argv = g_new0(gchar *, 4);
+	argv[0] = g_strdup(geany_path);
+	argv[1] = g_strdup("-i");
+	argv[2] = g_strdup(doc_path);
+	argv[3] = NULL;
+
+	if (!utils_spawn_async(NULL, argv, NULL, 0, NULL, NULL, NULL, &err))
+		g_printerr("Unable to open new window: %s", err->message);
+
+	g_free(geany_path);
+	g_strfreev(argv);	
+}
+
+
 static void show_tab_bar_popup_menu(GdkEventButton *event)
 {
 	GtkWidget *menu_item;
 	static GtkWidget *menu = NULL;
+    GeanyDocument *doc = NULL;
 
 	if (menu == NULL)
 		menu = gtk_menu_new();
@@ -207,6 +232,21 @@
 	ui_menu_add_document_items(GTK_MENU(menu), document_get_current(),
 		G_CALLBACK(tab_bar_menu_activate_cb));
 
+	/* load "Open in a New Window" item if current document has filename */
+	doc = document_get_current();
+	if (doc != NULL && doc->file_name != NULL)
+	{
+		menu_item = gtk_separator_menu_item_new();
+		gtk_widget_show(menu_item);
+		gtk_container_add(GTK_CONTAINER(menu), menu_item);
+		
+		menu_item = gtk_menu_item_new_with_mnemonic("Open in a New _Window");
+		gtk_widget_show(menu_item);
+		gtk_container_add(GTK_CONTAINER(menu), menu_item);
+		g_signal_connect(menu_item, "activate", 
+			G_CALLBACK(on_open_in_new_window_activate), doc->file_name);
+	}
+
 	menu_item = gtk_separator_menu_item_new();
 	gtk_widget_show(menu_item);
 	gtk_container_add(GTK_CONTAINER(menu), menu_item);