Working scrollbar

src/ui/dashboard/model.rs

@@ -37,7 +37,7 @@ pub struct DashboardViewState {
     pub error_message: Option<String>,
     pub auto_refresh_interval: u32,
     pub scroll_state: ScrollbarState,
-    content_length: usize,
+    total_length: usize,
 }
 
 impl DashboardViewState {
@@ -50,7 +50,7 @@ impl DashboardViewState {
             error_message: None,
             auto_refresh_interval: 300,
             scroll_state: ScrollbarState::new(0),
-            content_length: 0,
+            total_length: 0,
         }
     }
 
@@ -64,10 +64,10 @@ impl DashboardViewState {
             });
         }
 
-        let content_length = groups
+        let total_length: usize = groups
             .iter()
             .map(|g| g.monitors.len() + BORDER_LINES_VIEW)
-            .sum::<usize>();
+            .sum();
 
         Self {
             title: data.title,
@@ -76,17 +76,21 @@ impl DashboardViewState {
             is_loading: false,
             error_message: None,
             auto_refresh_interval: data.auto_refresh_interval.max(30),
-            scroll_state: ScrollbarState::new(content_length.saturating_sub(1)),
-            content_length,
+            scroll_state: ScrollbarState::new(total_length.saturating_sub(1)),
+            total_length,
         }
     }
 
+    pub fn get_total_lenght(&self) -> usize {
+        self.total_length
+    }
+
     pub fn get_all_monitors(&self) -> Vec<&MonitorViewState> {
         self.groups.iter().flat_map(|g| g.monitors.iter()).collect()
     }
 
-    pub fn show_vertical_scrollbar(&self, height: u16) -> bool {
-        height < self.content_length as u16
+    pub fn show_vertical_scrollbar(&self, available_height: u16) -> bool {
+        self.total_length as u16 > available_height
     }
 }