Ура ура вкладки!!!

И ещё пояснялка
И просто поработал немного

code/Cargo.lock

@@ -598,6 +598,7 @@ version = "0.1.0"
 dependencies = [
  "eframe",
  "egui",
+ "egui_dock",
 ]
 
 [[package]]
@@ -773,6 +774,17 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d8b14ccef22fc6f5a8f4d7d768562a182c04ce9a3b3157b91390b52ddfdf1a76"
 
+[[package]]
+name = "duplicate"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e92f10a49176cbffacaedabfaa11d51db1ea0f80a83c26e1873b43cd1742c24"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "proc-macro2-diagnostics",
+]
+
 [[package]]
 name = "ecolor"
 version = "0.34.2"
@@ -879,6 +891,18 @@ dependencies = [
  "winit",
 ]
 
+[[package]]
+name = "egui_dock"
+version = "0.19.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db51b9023b9d65cb4d561fd981946f987c54f25413c75b2c8e634c774c3d70ad"
+dependencies = [
+ "duplicate",
+ "egui",
+ "paste",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "egui_glow"
 version = "0.34.2"
@@ -2244,6 +2268,12 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "peniko"
 version = "0.6.0"
@@ -2446,6 +2476,18 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "proc-macro2-diagnostics"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af066a9c399a26e020ada66a034357a868728e72cd426f3adcd35f80d88d88c8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
 [[package]]
 name = "profiling"
 version = "1.0.18"

code/Cargo.toml

@@ -6,3 +6,4 @@ edition = "2024"
 [dependencies]
 eframe = "0.34.2"
 egui = "0.34.2"
+egui_dock = "0.19.1"

code/src/app.rs

@@ -1,15 +1,61 @@
+use egui_dock::{DockArea, Style};
+
+static TABS_CAN_BE_WINDOWS: bool = false;
+
+enum TabTypes{
+    Equipment,
+    Worker,
+    Position,
+    Salary,
+    Material,
+    Recipe,
+    Product,
+    Order,
+    Settings
+}
+struct Tab{
+    tab_type: TabTypes,
+    title: String,
+    content: String,
+}
+
 pub struct App{
-    label: String,
+    tree: egui_dock::DockState<Tab>,
 }
 
 impl Default for App{
     fn default() -> Self{
-        Self {
-            label: "Добро пожаловать в СУП: Систему Управления Пивоварней!".to_owned()
-        }
-    }
+        let mut tree = egui_dock::DockState::new(vec![
+            Tab{
+                tab_type: TabTypes::Equipment,
+                title:"Оборудование".to_owned(),
+                content:"Вкладка с оборудованием".to_owned()
+            },
+            Tab{
+                tab_type: TabTypes::Material,
+                title: "Сырьё".to_owned(),
+                content:"Вкладка с сырьём".to_owned()
+            },
+            Tab{
+                tab_type: TabTypes::Worker,
+                title: "Сотрудники".to_owned(),
+                content:"Сотрудники".to_owned()
             }
+        ]);
 
+        // let [a,b] = 
+        //     tree.main_surface_mut()
+        //     .split_left(egui_dock::NodeIndex::root(), 0.3, vec!["tab3".to_owned()]);
+
+        // let [_,_] = tree
+        //     .main_surface_mut()
+        //     .split_below(a, 0.7, vec!["tab4".to_owned()]);
+        // let [_,_] = tree
+        //     .main_surface_mut()
+        //     .split_below(b, 0.5, vec!["tab5".to_owned()]);
+        Self{tree}
+    }
+}
 impl App{
     pub fn new(_cc: &eframe::CreationContext<'_>) -> Self{
         Default::default()
@@ -19,18 +65,36 @@ impl App{
 
 impl eframe::App for App{
     fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame){
+        DockArea::new(&mut self.tree)
+            .style(Style::from_egui(ui.style().as_ref()))
+            .show_inside(ui, &mut TabViewer {});
+    }
+}
 
-        egui::Panel::top("top_panel").show_inside(ui, |ui| {
-            egui::MenuBar::new().ui(ui, |ui| {
-                egui::widgets::global_theme_preference_buttons(ui);
-            });
-        });
-        egui::CentralPanel::default().show_inside(ui, |ui|{
-            ui.heading("Система Управления Пивоварней");
-            ui.horizontal(|ui|{
-                ui.label("write something: ");
-                ui.text_edit_singleline(&mut self.label);
-            });
-        });
+struct TabViewer {}
+
+impl egui_dock::TabViewer for TabViewer{
+    type Tab = Tab;
+
+    fn title(&mut self, tab: &mut Self::Tab) -> egui::WidgetText{
+        (&*tab.title).into()
+    }
+    fn ui(&mut self, ui: &mut egui::Ui, tab: &mut Self::Tab){
+        ui.label(&tab.content);
+        match &tab.tab_type{
+            TabTypes::Equipment => {
+                ui.label("This is Equipment");
+            },
+            _ =>{
+                ui.label("This is not");
+            }
+        } 
+        
+    }
+    fn allowed_in_windows(&self, _tab: &mut Self::Tab) -> bool {
+        TABS_CAN_BE_WINDOWS
+    }
+    fn is_closeable(&self, _tab: &Self::Tab) -> bool {
+        false
     }
 }

code/src/main.rs

@@ -1,3 +1,4 @@
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 fn main() -> eframe::Result{
 
     let native_opts = eframe::NativeOptions {
@@ -8,4 +9,4 @@ fn main() -> eframe::Result{
     };
     eframe::run_native("BCS", native_opts, Box::new(|cc| Ok(Box::new(code::App::new(cc)))),)
  
-    } //Код не работает, ошибка пока и должна быть.
+    } 

documents/Пояснялка

@@ -0,0 +1,13 @@
+Есть следующие вкладки:
+  Equipment - управление оборудованием
+    Worker - Управление сотрудниками
+    Position - Управление должностями(внутри сотрудника)
+    Salary - управление зарплатами(внутри сотрудника)
+    Material - управление сырьём
+    Recipe - управление рецептами
+    Product - управление продукцией(внутри рецептов)
+    Order - управление заказами
+    Settings - настройки
+
+    В настройках можно:
+    разрешить вкладкам становиться окнами