add number of slides and items

src/main.rs

@@ -488,7 +488,21 @@ impl cosmic::Application for App {
     }
 
     fn footer(&self) -> Option<Element<Self::Message>> {
-        Some(text::body("Sux").into())
+        let total_items_text =
+            format!("Total Service Items: {}", self.service.len());
+        let total_slides_text =
+            format!("Total Slides: {}", self.presenter.total_slides);
+        let row = row![
+            text::body(total_items_text),
+            text::body(total_slides_text)
+        ]
+        .spacing(10);
+        Some(
+            Container::new(row)
+                .align_right(Length::Fill)
+                .padding([5, 0, 0, 0])
+                .into(),
+        )
     }
 
     fn subscription(&self) -> Subscription<Self::Message> {

src/ui/presenter.rs

@@ -50,6 +50,8 @@ pub(crate) struct Presenter {
     pub current_slide: Slide,
     pub current_item: usize,
     pub current_slide_index: usize,
+    pub absolute_slide_index: usize,
+    pub total_slides: usize,
     pub video: Option<Video>,
     pub video_position: f32,
     pub audio: Option<PathBuf>,
@@ -151,10 +153,14 @@ impl Presenter {
                 None
             }
         };
+        let total_slides: usize =
+            items.iter().fold(0, |a, item| a + item.slides.len());
         Self {
             current_slide: items[0].slides[0].clone(),
             current_item: 0,
             current_slide_index: 0,
+            absolute_slide_index: 0,
+            total_slides,
             video,
             audio: items[0].slides[0].audio().clone(),
             service: items,