[gnome-tour/bilelmoussaoui/fixes] a18y: add handy keyboard shortcuts

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit a71053e447a1428b0f67688152e8588de7b5baff
Author: Bilal Elmoussaoui <belmouss redhat com>
Date:   Wed Jan 26 20:04:36 2022 +0100

    a18y: add handy keyboard shortcuts

 src/application.rs       |  1 +
 src/widgets/paginator.rs | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
---
diff --git a/src/application.rs b/src/application.rs
index 90f2ba1..931d865 100644
--- a/src/application.rs
+++ b/src/application.rs
@@ -86,6 +86,7 @@ mod imp {
                 }),
             );
             application.set_accels_for_action("app.quit", &["<Control>q"]);
+            application.set_accels_for_action("app.skip-tour", &["Escape"]);
             self.parent_startup(application);
         }
     }
diff --git a/src/widgets/paginator.rs b/src/widgets/paginator.rs
index 7946658..5b86bc2 100644
--- a/src/widgets/paginator.rs
+++ b/src/widgets/paginator.rs
@@ -1,5 +1,6 @@
 use gtk::prelude::*;
 use gtk::{
+    gdk,
     glib::{self, clone},
     subclass::prelude::*,
 };
@@ -68,6 +69,19 @@ mod imp {
                 .connect_position_notify(clone!(@weak obj => move |_| {
                     obj.update_position();
                 }));
+
+            let controller = gtk::EventControllerKey::new();
+            controller.connect_key_pressed(clone!(@weak obj => @default-return gtk::Inhibit(true), move 
|_controller, keyval, _keycode, _state| {
+                if keyval == gdk::Key::Right {
+                    obj.try_next();
+                } else if keyval == gdk::Key::Left {
+                    obj.try_previous();
+                }
+                gtk::Inhibit(false)
+            }));
+
+            obj.add_controller(&controller);
+
             self.parent_constructed(obj);
         }
     }