[gtk/wip/matthiasc/context-menu] popover menu: Add our own activate key bindings

[Matthias Clasen <matthiasc src gnome org>]

commit 31ac5bf523ea73f487e3af6414601bf77b0e783a
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jun 12 16:55:43 2019 +0000

    popover menu: Add our own activate key bindings
    
    This solves issues with parent widgets, like combobox
    or entry, installing their own bindings for these
    keys, overriding the activation behavior that
    is implemented in gtkwindow.

 gtk/gtkpopovermenu.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/gtk/gtkpopovermenu.c b/gtk/gtkpopovermenu.c
index 5b3fa927a1..93a0ba8953 100644
--- a/gtk/gtkpopovermenu.c
+++ b/gtk/gtkpopovermenu.c
@@ -381,6 +381,17 @@ gtk_popover_menu_class_init (GtkPopoverMenuClass *klass)
   add_tab_bindings (binding_set, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD);
   add_tab_bindings (binding_set, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
   add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
+
+  gtk_binding_entry_add_signal (binding_set, GDK_KEY_Return, 0,
+                                "activate-default", 0);
+  gtk_binding_entry_add_signal (binding_set, GDK_KEY_ISO_Enter, 0,
+                                "activate-default", 0);
+  gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Enter, 0,
+                                "activate-default", 0);
+  gtk_binding_entry_add_signal (binding_set, GDK_KEY_space, 0,
+                                "activate-default", 0);
+  gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Space, 0,
+                                "activate-default", 0);
 }
 
 /**