Correctly switch between pages

src/application.rs

@@ -65,7 +65,6 @@ impl Application {
                 window.previous_page();
             }),
         );
-
         self.app.set_accels_for_action("app.quit", &["<primary>q"]);
     }
 

src/widgets/headerbar.rs

@@ -3,16 +3,18 @@ use gtk::prelude::*;
 pub struct HeaderBar {
     pub widget: gtk::HeaderBar,
     container: gtk::Stack,
+    next_btn: gtk::Button,
 }
 
 impl HeaderBar {
     pub fn new() -> Self {
         let widget = gtk::HeaderBar::new();
         let container = gtk::Stack::new();
+        let next_btn = gtk::Button::new();
 
         widget.set_show_title_buttons(true);
 
-        let headerbar = Self { widget, container };
+        let headerbar = Self { widget, container, next_btn };
         headerbar.init();
         headerbar
     }
@@ -22,6 +24,19 @@ impl HeaderBar {
         self.widget.set_show_title_buttons(false);
     }
 
+    pub fn set_page_nr(&self, page_nr: i32, total_pages: i32) {
+        if page_nr == total_pages {
+            self.next_btn.set_label("Done");
+        } else {
+            self.next_btn.set_label("Next");
+        }
+    }
+
+    pub fn end_tour(&self) {
+        self.container.set_visible_child_name("welcome");
+        self.widget.set_show_title_buttons(true);
+    }
+
     fn init(&self) {
         self.container.set_hexpand(true);
         self.container.set_transition_type(gtk::StackTransitionType::SlideLeftRight);
@@ -37,16 +52,15 @@ impl HeaderBar {
         previous_btn.set_hexpand(true);
         previous_btn.set_property_width_request(60);
 
-        let next_btn = gtk::Button::new();
-        next_btn.add(&gtk::Label::new(Some("Next")));
-        next_btn.get_style_context().add_class("suggested-action");
-        next_btn.set_action_name(Some("app.next-page"));
-        next_btn.set_halign(gtk::Align::End);
-        next_btn.set_hexpand(true);
-        next_btn.set_property_width_request(60);
+        self.next_btn.add(&gtk::Label::new(Some("Next")));
+        self.next_btn.get_style_context().add_class("suggested-action");
+        self.next_btn.set_action_name(Some("app.next-page"));
+        self.next_btn.set_halign(gtk::Align::End);
+        self.next_btn.set_hexpand(true);
+        self.next_btn.set_property_width_request(60);
 
         pages_container.add(&previous_btn);
-        pages_container.add(&next_btn);
+        pages_container.add(&self.next_btn);
         self.container.add_named(&pages_container, "pages");
 
         self.widget.set_custom_title(Some(&self.container));

src/widgets/pages/welcome.rs

@@ -53,6 +53,7 @@ impl WelcomePageWidget {
 
         actions_container.add(&skip_tour_btn);
         actions_container.add(&start_tour_btn);
+        actions_container.set_focus_child(Some(&start_tour_btn));
 
         self.widget.add(&actions_container);
     }

src/widgets/paginator.rs

@@ -23,6 +23,14 @@ impl PaginatorWidget {
         paginator
     }
 
+    pub fn get_total_pages(&self) -> i32 {
+        self.pages.len().try_into().unwrap_or(1)
+    }
+
+    pub fn get_current_page(&self) -> i32 {
+        self.current_page.borrow().clone()
+    }
+
     pub fn next(&self) {
         let next_page = self.current_page.borrow().clone() + 1;
         self.go_to(next_page);

src/widgets/window.rs

@@ -35,12 +35,32 @@ impl Window {
         self.headerbar.start_tour();
     }
 
+    fn end_tour(&self) {
+        self.container.set_visible_child_name("welcome");
+        self.headerbar.end_tour();
+    }
+
     pub fn next_page(&self) {
-        self.paginator.next();
+        let total_pages = self.paginator.get_total_pages();
+        let current_page = self.paginator.get_current_page();
+        self.headerbar.set_page_nr(current_page + 1, total_pages);
+
+        if current_page == total_pages {
+            self.widget.destroy();
+        } else {
+            self.paginator.next();
+        }
     }
 
     pub fn previous_page(&self) {
-        self.paginator.previous();
+        let total_pages = self.paginator.get_total_pages();
+        let current_page = self.paginator.get_current_page();
+        self.headerbar.set_page_nr(current_page - 1, total_pages);
+
+        match current_page {
+            1 => self.end_tour(),
+            _ => self.paginator.previous(),
+        }
     }
 
     fn init(&mut self) {