[geary: 2/3] Enable activating Gtk.ListBox items using XF86Forward and Alt+Right

[Michael Gratton <mjog src gnome org>]

commit 6caf26b15ab3d042af3ea9b77c6b7e5ff406da7f
Author: Michał Kopeć <mkopec12 gmail com>
Date:   Fri Feb 19 23:41:33 2021 +0100

    Enable activating Gtk.ListBox items using XF86Forward and Alt+Right

 src/client/application/application-client.vala | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/src/client/application/application-client.vala b/src/client/application/application-client.vala
index 19992eddf..5d9ed3fb9 100644
--- a/src/client/application/application-client.vala
+++ b/src/client/application/application-client.vala
@@ -409,6 +409,17 @@ public class Application.Client : Gtk.Application {
         add_edit_accelerators(Action.Edit.REDO, { "<Ctrl><Shift>Z" });
         add_edit_accelerators(Action.Edit.UNDO, { "<Ctrl>Z" });
 
+        // Set up custom keybindings
+        unowned Gtk.BindingSet bindings = Gtk.BindingSet.by_class(
+            (ObjectClass) typeof(Gtk.ListBoxRow).class_ref()
+        );
+        Gtk.BindingEntry.add_signal(
+            bindings, Gdk.Key.Right, MOD1_MASK, "activate", 0
+        );
+        Gtk.BindingEntry.add_signal(
+            bindings, Gdk.Key.Forward, 0, "activate", 0
+        );
+
         // Load Geary GTK CSS
         var provider = new Gtk.CssProvider();
         Gtk.StyleContext.add_provider_for_screen(