Simplify the compositor callback.

helix-term/src/commands.rs

@@ -63,9 +63,9 @@ impl<'a> Context<'a> {
 
     /// Push a new component onto the compositor.
     pub fn push_layer(&mut self, mut component: Box<dyn Component>) {
-        self.callback = Some(Box::new(
+        self.callback = Some(Box::new(|compositor: &mut Compositor| {
-            |compositor: &mut Compositor, editor: &mut Editor| compositor.push(component),
+            compositor.push(component)
-        ));
+        }));
     }
 
     #[inline]

helix-term/src/compositor.rs

@@ -6,7 +6,7 @@ use crossterm::event::Event;
 use helix_core::Position;
 use tui::{buffer::Buffer as Surface, layout::Rect};
 
-pub type Callback = Box<dyn FnOnce(&mut Compositor, &mut Editor)>;
+pub type Callback = Box<dyn FnOnce(&mut Compositor)>;
 
 // --> EventResult should have a callback that takes a context with methods like .popup(),
 // .prompt() etc. That way we can abstract it from the renderer.
@@ -22,7 +22,7 @@ pub enum EventResult {
     Consumed(Option<Callback>),
 }
 
-use helix_view::{Editor, View};
+use helix_view::Editor;
 
 use crate::application::LspCallbacks;
 
@@ -111,7 +111,7 @@ impl Compositor {
         for layer in self.layers.iter_mut().rev() {
             match layer.handle_event(event, cx) {
                 EventResult::Consumed(Some(callback)) => {
-                    callback(self, cx.editor);
+                    callback(self);
                     return true;
                 }
                 EventResult::Consumed(None) => return true,

helix-term/src/ui/menu.rs

@@ -142,12 +142,10 @@ impl<T: 'static> Component for Menu<T> {
             _ => return EventResult::Ignored,
         };
 
-        let close_fn = EventResult::Consumed(Some(Box::new(
+        let close_fn = EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
-            |compositor: &mut Compositor, editor: &mut Editor| {
             // remove the layer
             compositor.pop();
-            },
+        })));
-        )));
 
         match event {
             // esc or ctrl-c aborts the completion and closes the menu

helix-term/src/ui/picker.rs

@@ -126,12 +126,10 @@ impl<T: 'static> Component for Picker<T> {
             _ => return EventResult::Ignored,
         };
 
-        let close_fn = EventResult::Consumed(Some(Box::new(
+        let close_fn = EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
-            |compositor: &mut Compositor, editor: &mut Editor| {
             // remove the layer
             compositor.pop();
-            },
+        })));
-        )));
 
         match key_event {
             KeyEvent {

helix-term/src/ui/popup.rs

@@ -66,12 +66,10 @@ impl<T: Component> Component for Popup<T> {
             _ => return EventResult::Ignored,
         };
 
-        let close_fn = EventResult::Consumed(Some(Box::new(
+        let close_fn = EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
-            |compositor: &mut Compositor, editor: &mut Editor| {
             // remove the layer
             compositor.pop();
-            },
+        })));
-        )));
 
         match key {
             // esc or ctrl-c aborts the completion and closes the menu

helix-term/src/ui/prompt.rs

@@ -211,12 +211,10 @@ impl Component for Prompt {
             _ => return EventResult::Ignored,
         };
 
-        let close_fn = EventResult::Consumed(Some(Box::new(
+        let close_fn = EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
-            |compositor: &mut Compositor, editor: &mut Editor| {
             // remove the layer
             compositor.pop();
-            },
+        })));
-        )));
 
         match event {
             // char or shift char