added id's

src/event.rs

@@ -1,7 +1,7 @@
 use crate::key::Key;
 
 /// Enum defining commands that can be issued by an `Element`.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Clone)]
 pub enum Command {
     /// Renders the element with the specified state.
     Render(usize),
@@ -14,7 +14,7 @@ pub enum Command {
 }
 
 /// Enum representing the possible responses from an element event.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Clone)]
 pub enum EventResponse {
     /// Indicates that the event is complete.
     Done,
@@ -24,6 +24,10 @@ pub enum EventResponse {
     Command(Command),
     /// Issues a list of commands.
     CommandList(Vec<Command>),
+    // Update the current element
+    UpdateSelf(Box<dyn crate::Element>),
+    // Update a element by a id
+    UpdateElementById(String, Box<dyn crate::Element>),
 }
 
 /// Enum representing the possible responses from an element update.

src/lib.rs

@@ -218,7 +218,7 @@ pub trait Element: DynClone {
     /// * `_height` - The height of the terminal window or parent element.
     fn update_data(&mut self, _width: usize, _height: usize);
 
-    fn get_id(&mut self) -> String;
+    fn get_id(&self) -> String;
 
     fn get_element_by_id(&mut self, id: &str) -> Option<&mut Box<dyn Element>>;
 

src/macros.rs

@@ -119,7 +119,7 @@ macro_rules! element {
                 }
             }
 
-            fn get_id(&mut self) -> String {
+            fn get_id(&self) -> String {
                 self.id.to_string()
             }
 

src/test/mod.rs

@@ -1,7 +1,11 @@
-use crate::{self as osui, rsx, ui::*, Element};
+use crate::{self as osui, arc, rsx, rsx_elem, ui::*, Element, EventResponse};
 
 pub fn app() -> Box<dyn Element> {
     rsx! {
-        button { "ok" }
+        button { on_click: arc!(move |btn: &mut Button| {
+            btn.event_response = EventResponse::UpdateElementById("my_id".to_string(), rsx_elem! { button { y: 2, id: "my_id", "updated!" } } );
+        }), "click me" }
+
+        button { id: "my_id", y: 2, "ok" }
     }
 }

src/ui/elements.rs

@@ -37,10 +37,15 @@ element! {
     Button {
         /// A callback function executed when the button is clicked. use `arc!` to use function
         pub on_click: Arc<Mutex<dyn FnMut(&mut Button)>>,
+        pub event_response: EventResponse,
     }
 
     defaults {
         on_click: Arc::new(Mutex::new(|_btn: &mut Button<'_>| {})),
+        event_response: command!(
+            Command::Render(2),
+            Command::Sleep(120)
+        ),
     }
 
     fn render(&self, state: usize) -> String {
@@ -59,10 +64,7 @@ element! {
                     (on_click)(&mut btn);
                     drop(on_click);
                     *self = btn;
-                    return command!(
-                        Command::Render(2),
-                        Command::Sleep(120)
-                    );
+                    return self.event_response.clone();
                 }
             }
             _ => {}
@@ -108,7 +110,21 @@ element! {
                 if let Some(direction) = self.keybinds.get(&k) {
                     self.child = crate::closest_component(&self.children, self.child, direction.clone());
                 } else if let Some(child) = self.get_child() {
-                    return child.event(event.clone());
+                    let res = child.event(event.clone());
+                    match res.clone() {
+                        EventResponse::UpdateElementById(id, elem) => {
+                            for old in &mut self.children {
+                                if old.get_id() == id {
+                                    *old = elem.clone();
+                                }
+                            }
+                        }
+                        EventResponse::UpdateSelf(elem) => {
+                            *child = elem;
+                        }
+                        _ => {}
+                    }
+                    return res;
                 }
             }
             _ => {}