Use dashboards to show the graphs

bare-metrics-gui/src/config.rs

@@ -3,11 +3,11 @@ use serde::Deserialize;
 
 #[derive(Deserialize, Default, Clone)]
 pub struct DashboardConfig {
-    graphs: Vec<GraphConfig>,
+    pub graphs: Vec<GraphConfig>,
 }
 
 #[derive(Deserialize, Clone)]
 pub struct GraphConfig {
-    name: String,
-    kind: MetricKind,
+    pub name: String,
+    pub kind: MetricKind,
 }

bare-metrics-gui/src/main.rs

@@ -22,9 +22,29 @@ pub struct MetricsGui {
 
 impl App for MetricsGui {
     fn update(&mut self, ctx: &CtxRef, _frame: &mut Frame<'_>) {
+        let Self {
+            requester,
+            dashboard,
+        } = self;
         CentralPanel::default().show(ctx, |ui| {
-            ui.label("Hah");
-            Graph::draw(ui, MetricId(0), &self.requester);
+            egui::ScrollArea::new([false, true]).show(ui, |ui| {
+                if let Some(dashboard) = dashboard {
+                    let window = requester.shared.current_window.read().unwrap();
+                    for graph in dashboard.graphs.iter() {
+                        ui.label(&graph.name);
+
+                        if let Some(metric) = window.metrics.get(&graph.name) {
+                            // TODO support multiple labelled metrics
+                            if let Some((_, first_one)) = metric.iter().next() {
+                                Graph::draw(ui, *first_one, requester);
+                            }
+                        }
+                    }
+                } else {
+                    ui.label("(no dashboard)");
+                    Graph::draw(ui, MetricId(0), &requester);
+                }
+            });
         });
     }