[gnome-tour] carousel: display one page at a time

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 17c3b811abf7142646ac09070dc62a577e7f887e
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Sun Jul 12 02:14:58 2020 +0200

    carousel: display one page at a time

 src/widgets/pages/image.rs   | 1 +
 src/widgets/pages/welcome.rs | 9 ++++++---
 2 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/src/widgets/pages/image.rs b/src/widgets/pages/image.rs
index 8905a62..92bae44 100644
--- a/src/widgets/pages/image.rs
+++ b/src/widgets/pages/image.rs
@@ -44,6 +44,7 @@ impl ImagePageWidget {
     }
 
     fn init(&self) {
+        self.widget.set_property_expand(true);
         self.widget.set_halign(gtk::Align::Fill);
         self.widget.set_valign(gtk::Align::Fill);
 
diff --git a/src/widgets/pages/welcome.rs b/src/widgets/pages/welcome.rs
index e0636a5..76529d7 100644
--- a/src/widgets/pages/welcome.rs
+++ b/src/widgets/pages/welcome.rs
@@ -4,13 +4,14 @@ 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 welcome_page = Self { widget };
+        let handle = libhandy::WindowHandle::new();
+        let welcome_page = Self { widget, handle };
 
         welcome_page.init();
         welcome_page
@@ -71,7 +72,9 @@ impl WelcomePageWidget {
         headerbar.set_show_close_button(true);
         headerbar.set_title(Some(&gettext("Welcome Tour")));
 
-        self.widget.add(&headerbar);
+        self.handle.add(&headerbar);
+
+        self.widget.add(&self.handle);
         self.widget.add(&container);
     }
 }