update exmaples

examples/tao.rs

@@ -8,8 +8,14 @@ use tao::{
     event_loop::{ControlFlow, EventLoop},
     window::WindowBuilder,
 };
+
+enum UserEvent {
+    MenuEvent(u64),
+}
+
 fn main() {
-    let event_loop = EventLoop::new();
+    let event_loop = EventLoop::<UserEvent>::with_user_event();
+
     let window = WindowBuilder::new().build(&event_loop).unwrap();
     let window2 = WindowBuilder::new().build(&event_loop).unwrap();
 
@@ -17,10 +23,14 @@ fn main() {
     let mut file_menu = menu_bar.add_submenu("File", true);
     let mut edit_menu = menu_bar.add_submenu("Edit", true);
 
-    let _open_item = file_menu.add_text_item("Open", true, |_| {});
+    let mut open_item = file_menu.add_text_item("Open", true, |_| {});
-    let _save_item = file_menu.add_text_item("Save", true, |i| {
+
-        i.set_enabled(false);
+    let proxy = event_loop.create_proxy();
-        i.set_label("Save disabled");
+    let mut counter = 0;
+    let save_item = file_menu.add_text_item("Save", true, move |i| {
+        counter += 1;
+        i.set_label(format!("Save triggered {} times", counter));
+        let _ = proxy.send_event(UserEvent::MenuEvent(i.id()));
     });
     let _quit_item = file_menu.add_text_item("Quit", true, |_| {});
 
@@ -28,12 +38,17 @@ fn main() {
     let _cut_item = edit_menu.add_text_item("Cut", true, |_| {});
 
     #[cfg(target_os = "windows")]
+    {
         menu_bar.init_for_hwnd(window.hwnd() as _);
+        menu_bar.init_for_hwnd(window2.hwnd() as _);
+    }
     #[cfg(target_os = "linux")]
+    {
         menu_bar.init_for_gtk_window(window.gtk_window());
-    #[cfg(target_os = "linux")]
         menu_bar.init_for_gtk_window(window2.gtk_window());
+    }
 
+    let mut open_item_disabled = false;
     event_loop.run(move |event, _, control_flow| {
         *control_flow = ControlFlow::Wait;
 
@@ -45,6 +60,20 @@ fn main() {
             Event::MainEventsCleared => {
                 window.request_redraw();
             }
+
+            Event::UserEvent(e) => match e {
+                UserEvent::MenuEvent(id) => {
+                    if id == save_item.id() {
+                        println!("Save menu item triggered");
+
+                        if !open_item_disabled {
+                            println!("Open item disabled!");
+                            open_item.set_enabled(false);
+                            open_item_disabled = true;
+                        }
+                    }
+                }
+            },
             _ => (),
         }
     })

examples/winit.rs

@@ -6,18 +6,29 @@ use winit::{
     event_loop::{ControlFlow, EventLoop},
     window::WindowBuilder,
 };
+
+enum UserEvent {
+    MenuEvent(u64),
+}
+
 fn main() {
-    let event_loop = EventLoop::new();
+    let event_loop = EventLoop::<UserEvent>::with_user_event();
-    let window = WindowBuilder::new().build(&event_loop).unwrap();
+
+    let _window = WindowBuilder::new().build(&event_loop).unwrap();
+    let _window2 = WindowBuilder::new().build(&event_loop).unwrap();
 
     let mut menu_bar = Menu::new();
     let mut file_menu = menu_bar.add_submenu("File", true);
     let mut edit_menu = menu_bar.add_submenu("Edit", true);
 
-    let _open_item = file_menu.add_text_item("Open", true, |_| {});
+    let mut open_item = file_menu.add_text_item("Open", true, |_| {});
-    let _save_item = file_menu.add_text_item("Save", true, |i| {
+
-        i.set_enabled(false);
+    let proxy = event_loop.create_proxy();
-        i.set_label("Save disabled");
+    let mut counter = 0;
+    let save_item = file_menu.add_text_item("Save", true, move |i| {
+        counter += 1;
+        i.set_label(format!("Save triggered {} times", counter));
+        let _ = proxy.send_event(UserEvent::MenuEvent(i.id()));
     });
     let _quit_item = file_menu.add_text_item("Quit", true, |_| {});
 
@@ -25,8 +36,12 @@ fn main() {
     let _cut_item = edit_menu.add_text_item("Cut", true, |_| {});
 
     #[cfg(target_os = "windows")]
-    menu_bar.init_for_hwnd(window.hwnd() as _);
+    {
+        menu_bar.init_for_hwnd(_window.hwnd() as _);
+        menu_bar.init_for_hwnd(_window2.hwnd() as _);
+    }
 
+    let mut open_item_disabled = false;
     event_loop.run(move |event, _, control_flow| {
         *control_flow = ControlFlow::Wait;
 
@@ -35,9 +50,20 @@ fn main() {
                 event: WindowEvent::CloseRequested,
                 ..
             } => *control_flow = ControlFlow::Exit,
-            Event::MainEventsCleared => {
+
-                window.request_redraw();
+            Event::UserEvent(e) => match e {
+                UserEvent::MenuEvent(id) => {
+                    if id == save_item.id() {
+                        println!("Save menu item triggered");
+
+                        if !open_item_disabled {
+                            println!("Open item disabled!");
+                            open_item.set_enabled(false);
+                            open_item_disabled = true;
                         }
+                    }
+                }
+            },
             _ => (),
         }
     })