exit properly after last tab closes

README.md

@@ -35,6 +35,6 @@ Max tabs 8 => 20
 Max framerate => 30 fps (less cpu usage)
 
 # 1.1.0 :
-Added close tab and refresh confirm prompt
+Added confirm prompt if unsaved 
 Async terminal !
 Better Ui

src/calcifer.rs

@@ -142,12 +142,16 @@ impl Calcifer {
 						ui.style_mut().visuals.override_text_color = None;
 						
 						if ui.link("X").clicked() && !self.close_tab_confirm.visible {
+							if self.tabs.len() > 1 {
 								if tab.saved {
 									self.delete_tab(index);
 								} else {
 									self.close_tab_confirm.ask();
 									self.tab_to_close = index;
 								}
+							} else {
+								egui::Context::send_viewport_cmd(ctx, egui::ViewportCommand::Close);
+							}
 						}
 						ui.separator();
 					}