From 67854d9189653baf8c39955068806e4839f068db Mon Sep 17 00:00:00 2001
From: djmil <andriy@djmil.dev>
Date: Sat, 31 Aug 2024 21:49:57 +0200
Subject: [PATCH] Extras button

---
 src/app.rs | 74 +++++++++++++++++++++++++++++++-----------------------
 1 file changed, 42 insertions(+), 32 deletions(-)

diff --git a/src/app.rs b/src/app.rs
index ac2d422..1d1668a 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -16,14 +16,17 @@ pub struct Simulation {
     circles: Vec<Circle>,
     #[serde(skip)]
     colors: Vec<egui::Color32>,
+
+    show_extras: bool,
 }
 
 impl Default for Simulation {
     fn default() -> Self {
         Self {            
-            circles_count: 2,
+            circles_count: 3,
             circles: Vec::new(),
             colors: Vec::new(),
+            show_extras: true,
         }
     }
 }
@@ -73,43 +76,38 @@ impl eframe::App for Simulation {
                     ui.add_space(16.0);
                 }
 
-                egui::widgets::global_dark_light_mode_buttons(ui);
+                ui.toggle_value(&mut self.show_extras, "♘ Extras");
 
-                ui.with_layout(egui::Layout::top_down(egui::Align::RIGHT), |ui| {
-                    ui.horizontal(|ui| {
-                        ui.spacing_mut().item_spacing.x = 4.0;
-                        ui.hyperlink_to(
-                            "source code",
-                            "https://gitea.djmil.dev/djmil/egui-circles",
-                        );
-                        ui.label("rust");
-                    });
-                });
+                egui::widgets::global_dark_light_mode_buttons(ui);
             });
         });
 
         egui::CentralPanel::default().show(ctx, |ui| {
             // The central panel the region left after adding TopPanel's and SidePanel's
 
-            ui.horizontal(|ui| {
-                ui.label("Click on circles or press");
+            if self.show_extras {
+                ui.horizontal(|ui| {
+                    
+                    ui.label("Click on circles or press");
 
-                if ui.button("push").clicked() {
-                    self.circles.iter_mut().for_each(|c| (*c).v = Vec2{
-                        x: rand::thread_rng().gen_range(-4.0..4.0),
-                        y: rand::thread_rng().gen_range(-4.0..4.0)});
-                };
+                    if ui.button("push").clicked() {
+                        self.circles.iter_mut().for_each(|c| (*c).v = Vec2{
+                            x: rand::thread_rng().gen_range(-4.0..4.0),
+                            y: rand::thread_rng().gen_range(-4.0..4.0)});
+                    };
 
-                ui.label("or");
+                    ui.label("or");
 
-                if ui.button("halt").clicked() {
-                    self.circles.iter_mut().for_each(|c| (*c).v = Vec2{x: 0.0, y: 0.0});
-                };
+                    if ui.button("halt").clicked() {
+                        self.circles.iter_mut().for_each(|c| (*c).v = Vec2{x: 0.0, y: 0.0});
+                    };
 
-                ui.label("buttons");
-            });
+                    ui.label("buttons");
+                });
 
-            ui.add(egui::Slider::new(&mut self.circles_count, 0..=25).text("circles count"));
+                ui.add(egui::Slider::new(&mut self.circles_count, 0..=25).text("circles count"));
+                ui.separator();
+            }
 
             let painter = ui.painter();
 
@@ -146,12 +144,13 @@ impl eframe::App for Simulation {
                 });
             }
 
-            ui.separator();
-
-            ui.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| {
-                powered_by_egui_and_eframe(ui);
-                egui::warn_if_debug_build(ui);
-            });
+            if self.show_extras {
+                ui.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| {
+                    powered_by_egui_and_eframe(ui);
+                    written_by_djmil(ui);
+                    egui::warn_if_debug_build(ui);
+                });
+            }
         });
 
 
@@ -212,6 +211,17 @@ fn powered_by_egui_and_eframe(ui: &mut egui::Ui) {
     });
 }
 
+fn written_by_djmil(ui: &mut egui::Ui) {
+    ui.horizontal(|ui| {
+        ui.spacing_mut().item_spacing.x = 4.0;
+        ui.label("Writen by Djmil in");
+        ui.hyperlink_to(
+            "rust",
+            "https://gitea.djmil.dev/djmil/egui-circles",
+        );
+    });
+}
+
 fn collision(c1: &Circle, c2: &Circle) -> (Vec2, Vec2) {
     let m1 = c1.r;
     let m2 = c2.r;