Fix link selection reset on layout change (#142)

Changes made:
* fix: fix link index reset on layout change

src/ui/article/content.rs

@@ -132,7 +132,12 @@ impl ArticleContent {
         )
         .wrap_lines();
 
-        self.link_handler = lines_wrapper.link_handler;
+        if let Some(ref mut link_handler) = self.link_handler {
+            link_handler.update(lines_wrapper.link_handler);
+        } else {
+            self.link_handler = lines_wrapper.link_handler;
+        }
+
         self.rendered_lines = lines_wrapper.rendered_lines;
 
         if let Some(ref header_y) = lines_wrapper.header_y {

src/ui/article/links.rs

@@ -18,6 +18,23 @@ impl LinkHandler {
         }
     }
 
+    /// Updates the links while trying to save the currently selected link
+    pub fn update(&mut self, other: Option<LinkHandler>) {
+        if other.is_none() {
+            return;
+        }
+
+        let other = other.unwrap();
+
+        if let Some(current_link_id) = self.get_current_link() {
+            self.links = other.links;
+            self.set_current_link(current_link_id);
+        } else {
+            self.links = other.links;
+            self.current_link = other.current_link;
+        }
+    }
+
     /// Returns the total number of registered links
     pub fn registered_links(&self) -> usize {
         self.links.len()

src/ui/article/view.rs

@@ -215,6 +215,9 @@ impl View for ArticleView {
         // save the new size and compute the lines
         self.last_size = size;
         self.content.compute_lines(size);
+
+        debug!("current link id: {:?}", self.content.current_link());
+        debug!("current link pos: {:?}", self.content.current_link_pos());
     }
 
     fn required_size(&mut self, constraint: Vec2) -> Vec2 {
@@ -285,6 +288,8 @@ impl View for ArticleView {
                     self.scroll(Absolute::Down, move_amount);
                 }
 
+                debug!("link pos after selection: {:?}", current_link_pos);
+
                 EventResult::Consumed(None)
             }
             Event::Key(Key::Enter) if CONFIG.features.links => self.check_and_open_link(),