[gnome-tour] remove unneeded handle

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit c6d42cedad509231735d6ca824f2d62435a3ac6b
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Tue Jul 14 01:30:10 2020 +0200

    remove unneeded handle

 src/widgets/pages/welcome.rs | 8 ++------
 src/widgets/window.rs        | 4 +++-
 2 files changed, 5 insertions(+), 7 deletions(-)
---
diff --git a/src/widgets/pages/welcome.rs b/src/widgets/pages/welcome.rs
index 76529d7..b3a2185 100644
--- a/src/widgets/pages/welcome.rs
+++ b/src/widgets/pages/welcome.rs
@@ -4,14 +4,12 @@ use libhandy::prelude::HeaderBarExt;
 
 pub struct WelcomePageWidget {
     pub widget: gtk::Box,
-    handle: libhandy::WindowHandle,
 }
 
 impl WelcomePageWidget {
     pub fn new() -> Self {
         let widget = gtk::Box::new(gtk::Orientation::Vertical, 0);
-        let handle = libhandy::WindowHandle::new();
-        let welcome_page = Self { widget, handle };
+        let welcome_page = Self { widget };
 
         welcome_page.init();
         welcome_page
@@ -72,9 +70,7 @@ impl WelcomePageWidget {
         headerbar.set_show_close_button(true);
         headerbar.set_title(Some(&gettext("Welcome Tour")));
 
-        self.handle.add(&headerbar);
-
-        self.widget.add(&self.handle);
+        self.widget.add(&headerbar);
         self.widget.add(&container);
     }
 }
diff --git a/src/widgets/window.rs b/src/widgets/window.rs
index 8efbe7f..31f0df3 100644
--- a/src/widgets/window.rs
+++ b/src/widgets/window.rs
@@ -48,6 +48,8 @@ impl Window {
         self.widget.set_default_size(920, 640);
         self.deck.set_transition_type(libhandy::DeckTransitionType::Slide);
         self.deck.set_transition_duration(300);
+        self.deck.set_can_swipe_back(true);
+        self.deck.set_can_swipe_forward(true);
 
         // Devel Profile
         if PROFILE == "Devel" {
@@ -56,7 +58,7 @@ impl Window {
 
         self.deck.add(&self.welcome_page.widget);
 
-        self.paginator.borrow().add_page(Box::new(ImagePageWidget::new(
+        self.paginator.borrow_mut().add_page(Box::new(ImagePageWidget::new(
             "/org/gnome/Tour/activities.svg",
             gettext("Activities Overview"),
             gettext("Open Activities to start apps"),