modelbutton: Make activatable

This is expected of button-like widgets, and is necessary
to make keynav in popover menus work as expected.

diff --git a/gtk/gtkmodelbutton.c b/gtk/gtkmodelbutton.c
index 54b1bf34b8dc51c596047762a19214303795f9ea..1e16226f5b55910e8e04468218a5012083d3da07 100644 (file)
--- a/gtk/gtkmodelbutton.c
+++ b/gtk/gtkmodelbutton.c
@@ -1186,6 +1186,8 @@ gtk_model_button_class_init (GtkModelButtonClass *class)
                                           NULL,
                                           G_TYPE_NONE, 0);
 
+  widget_class->activate_signal = signals[SIGNAL_CLICKED];
+
   gtk_widget_class_set_accessible_role (GTK_WIDGET_CLASS (class), ATK_ROLE_PUSH_BUTTON);
   gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
   gtk_widget_class_set_css_name (GTK_WIDGET_CLASS (class), I_("modelbutton"));