Index: src/tool_bar.h
===================================================================
--- src/tool_bar.h	(revision 25704)
+++ src/tool_bar.h	(working copy)
@@ -51,6 +51,7 @@
 	GtkToolItem *refresh_button;
 	GtkWidget *path_field;
 	GtkWidget *hbox;
+	GtkTooltips *tooltips;
 };
 
 typedef struct _SQToolBarClass SQToolBarClass;
Index: src/main_window.c
===================================================================
--- src/main_window.c	(revision 25704)
+++ src/main_window.c	(working copy)
@@ -247,6 +247,12 @@
 		window->app = NULL;
 	}
 	
+	if(window->tooltips)
+	{
+		g_object_unref(G_OBJECT(window->tooltips));
+		window->tooltips = NULL;
+	}
+
 	parent_class->dispose(object);
 }
 
@@ -273,6 +279,8 @@
 
 	window->widget_factory = sq_widget_factory_new();
 
+	window->tooltips = g_object_ref_sink(gtk_tooltips_new());
+
 	show_menubar = sq_settings_read_bool_entry(window->settings, "MenuBar", TRUE);
 
 	if(show_menubar)
@@ -430,14 +438,17 @@
 		tmp_image = sq_main_window_find_image("archive-add.png", GTK_ICON_SIZE_LARGE_TOOLBAR);
 		window->toolbar.tool_item_add_files = gtk_tool_button_new(tmp_image, _("Add files"));
 		gtk_widget_set_sensitive(GTK_WIDGET(window->toolbar.tool_item_add_files), FALSE);
+		gtk_tool_item_set_tooltip(window->toolbar.tool_item_add_files, window->tooltips, _("Add files"), NULL);
 
 		tmp_image = sq_main_window_find_image("archive-add.png", GTK_ICON_SIZE_LARGE_TOOLBAR);
 		window->toolbar.tool_item_add_folders = gtk_tool_button_new(tmp_image, _("Add folders"));
 		gtk_widget_set_sensitive(GTK_WIDGET(window->toolbar.tool_item_add_folders), FALSE);
+		gtk_tool_item_set_tooltip(window->toolbar.tool_item_add_folders, window->tooltips, _("Add folders"), NULL);
 
 		tmp_image = sq_main_window_find_image("archive-extract.png", GTK_ICON_SIZE_LARGE_TOOLBAR);
 		window->toolbar.tool_item_extract = gtk_tool_button_new(tmp_image, _("Extract"));
 		gtk_widget_set_sensitive(GTK_WIDGET(window->toolbar.tool_item_extract), FALSE);
+		gtk_tool_item_set_tooltip(window->toolbar.tool_item_extract, window->tooltips, _("Extract"), NULL);
 
 		window->toolbar.tool_item_remove = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
 		gtk_widget_set_sensitive(GTK_WIDGET(window->toolbar.tool_item_remove), FALSE);
Index: src/main_window.h
===================================================================
--- src/main_window.h	(revision 25704)
+++ src/main_window.h	(working copy)
@@ -73,6 +73,7 @@
 	GtkWidget *main_vbox;
 	SQWidgetFactory *widget_factory;
 	GtkWidget *throbber;
+	GtkTooltips *tooltips;
 	struct {
 		/* 'file' menu */
 		GtkWidget *menu_item_file;