[gtk/wip/matthiasc/shortcut-4: 133/147] modelbutton: Make activatable

[Matthias Clasen <matthiasc src gnome org>]

commit f090d7e9d11b8a32ed8cdbfc47ec9261641618a5
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 23 23:03:29 2020 -0400

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

 gtk/gtkmodelbutton.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gtk/gtkmodelbutton.c b/gtk/gtkmodelbutton.c
index 54b1bf34b8..1e16226f5b 100644
--- 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"));