diff --git a/src/MainWindow.vala b/src/MainWindow.vala
index 11e1f3f..9b7417d 100644
--- a/src/MainWindow.vala
+++ b/src/MainWindow.vala
@@ -161,16 +161,26 @@ namespace LAview.Desktop {
 			return indices;
 		}
 
-		[CCode (instance_pos = -1)]
-		public void action_compose_activate (Gtk.Action action) {
+		void compose_object () {
 			var t_indices = get_template_indices ();
 			var o_indices = get_objects_indices ();
-			if (t_indices.length != 0 && o_indices.length != 0) {
+			if (t_indices.length != 0 && o_indices.length != 0)
 				AppCore.core.compose_object (t_indices[0], o_indices[0]);
-			}
 			statusbar_show (_("After composing all objects print the document."));
 		}
 
+		[CCode (instance_pos = -1)]
+		public void action_compose_activate (Gtk.Action action) {
+			compose_object();
+		}
+
+		[CCode (instance_pos = -1)]
+		public void objects_activated (Gtk.TreeView treeview,
+		                               Gtk.TreePath path,
+		                               Gtk.TreeViewColumn column) {
+			compose_object();
+		}
+
 		[CCode (instance_pos = -1)]
 		public void action_edit_result_activate (Gtk.Action action) {
 			var indices = get_template_indices();
diff --git a/ui/glade/laview-desktop.glade b/ui/glade/laview-desktop.glade
index 7584ecf..8de6936 100644
--- a/ui/glade/laview-desktop.glade
+++ b/ui/glade/laview-desktop.glade
@@ -988,6 +988,7 @@
                         <property name="can_focus">True</property>
                         <property name="model">liststore_objects</property>
                         <signal name="cursor-changed" handler="laview_desktop_main_window_objects_cursor_changed" swapped="no"/>
+                        <signal name="row-activated" handler="laview_desktop_main_window_objects_activated" swapped="no"/>
                         <child internal-child="selection">
                           <object class="GtkTreeSelection" id="treeview-selection_objects"/>
                         </child>