menu bar (// tab template)

src/app.rs

@@ -1,20 +1,39 @@
 use derive_new::new;
-use eframe::egui;
+use eframe::egui::{self, menu, CentralPanel, Frame};
-use egui_dock::{DockArea, DockState, Style};
+use egui_dock::{DockArea, DockState};
 
 mod tabs;
 use tabs::{chefs_dish, Tab, TabViewer};
 
+use self::tabs::TabKind;
+
 #[derive(new)]
 pub(super) struct App {
     tree: DockState<Tab>,
+    open_summary: bool,
 }
 
 impl eframe::App for App {
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
-        DockArea::new(&mut self.tree)
+        CentralPanel::default()
-            .style(Style::from_egui(ctx.style().as_ref()))
+            .frame(Frame::central_panel(&ctx.style()))
-            .show(ctx, &mut TabViewer::new());
+            .show(ctx, |ui| {
+                menu::bar(ui, |ui| {
+                    ui.menu_button("Tabs", |ui| {
+                        if ui.checkbox(&mut self.open_summary, "Summary").changed() {
+                            match self.open_summary {
+                                true => self.tree.push_to_focused_leaf(Tab::new(TabKind::Summary)),
+                                false => {
+                                    self.tree = self
+                                        .tree
+                                        .filter_tabs(|tab| !matches!(tab.kind, TabKind::Summary))
+                                }
+                            }
+                        }
+                    });
+                });
+                DockArea::new(&mut self.tree).show_inside(ui, &mut TabViewer::new());
+            });
     }
 }
 
@@ -22,6 +41,6 @@ impl Default for App {
     fn default() -> Self {
         let tree = DockState::new(chefs_dish());
 
-        Self::new(tree)
+        Self::new(tree, false)
     }
 }

src/app/tabs.rs

@@ -3,7 +3,7 @@ use eframe::egui::{Ui, WidgetText};
 use strum::{AsRefStr, EnumIter, IntoEnumIterator};
 
 #[derive(Clone, AsRefStr, PartialEq, EnumIter)]
-enum TabKind {
+pub(super) enum TabKind {
     Input,
     Decode,
     Process,
@@ -13,7 +13,7 @@ enum TabKind {
     Help,
 }
 
-#[derive(new)]
+#[derive(new, Clone)]
 pub(super) struct Tab {
     #[allow(private_interfaces)]
     pub(super) kind: TabKind,
@@ -50,6 +50,17 @@ impl egui_dock::TabViewer for TabViewer {
 
     fn ui(&mut self, ui: &mut Ui, tab: &mut Self::Tab) {
         ui.heading(tab.kind.as_ref());
+        // match tab.kind {
+        //     TabKind::Input => {
+        //         ui.
+        //     },
+        //     TabKind::Decode => todo!(),
+        //     TabKind::Process => todo!(),
+        //     TabKind::Encode => todo!(),
+        //     TabKind::Output => todo!(),
+        //     TabKind::Summary => todo!(),
+        //     TabKind::Help => todo!(),
+        // }
     }
 
     fn allowed_in_windows(&self, tab: &mut Self::Tab) -> bool {