sensors now run in correct order

src/core/text_edit.rs

@@ -1,6 +1,10 @@
 use crate::prelude::*;
 use cosmic_text::{Attrs, Cursor, Family, FontSystem, Metrics, Motion, Shaping};
 use unicode_segmentation::UnicodeSegmentation;
+use winit::{
+    event::KeyEvent,
+    keyboard::{Key, NamedKey},
+};
 
 pub struct TextEdit {
     pub attrs: TextAttrs,
@@ -178,6 +182,41 @@ impl<'a> TextEditCtx<'a> {
     pub fn deselect(&mut self) {
         self.text.cursor = None;
     }
+
+    pub fn apply_event(&mut self, event: &KeyEvent) -> TextInputResult {
+        match &event.logical_key {
+            Key::Named(named) => match named {
+                NamedKey::Backspace => self.backspace(),
+                NamedKey::Delete => self.delete(),
+                NamedKey::Space => self.insert(" "),
+                NamedKey::Enter => self.newline(),
+                NamedKey::ArrowRight => self.motion(Motion::Right),
+                NamedKey::ArrowLeft => self.motion(Motion::Left),
+                NamedKey::ArrowUp => self.motion(Motion::Up),
+                NamedKey::ArrowDown => self.motion(Motion::Down),
+                NamedKey::Escape => {
+                    self.deselect();
+                    return TextInputResult::Unfocus;
+                }
+                _ => return TextInputResult::Unused,
+            },
+            Key::Character(text) => self.insert(text),
+            _ => return TextInputResult::Unused,
+        }
+        TextInputResult::Used
+    }
+}
+
+pub enum TextInputResult {
+    Used,
+    Unused,
+    Unfocus,
+}
+
+impl TextInputResult {
+    pub fn unfocus(&self) -> bool {
+        matches!(self, TextInputResult::Unfocus)
+    }
 }
 
 impl<Ctx> FnOnce<(&mut Ui<Ctx>,)> for TextEditBuilder {

src/layout/sense.rs

@@ -1,6 +1,6 @@
 use crate::{
     layout::{Ui, UiRegion, Vec2},
-    util::{HashMap, Id, bitflags},
+    util::{HashMap, Id, IdVec, bitflags},
 };
 
 bitflags!(Sense, Senses, senses {
@@ -34,7 +34,7 @@ pub struct Sensor<Ctx> {
 }
 
 pub type SensorMap<Ctx> = HashMap<Id, SensorGroup<Ctx>>;
-pub type ActiveSensors = HashMap<Id, SenseShape>;
+pub type ActiveSensors = IdVec<SenseShape>;
 pub type SenseShape = UiRegion;
 pub struct SensorGroup<Ctx> {
     pub hover: ActivationState,
@@ -59,15 +59,17 @@ pub trait UiCtx {
 pub fn run_sensors<Ctx: UiCtx>(ctx: &mut Ctx, cursor: &CursorState, window_size: Vec2) {
     let active = std::mem::take(&mut ctx.ui().active.sensors);
     let mut map = std::mem::take(&mut ctx.ui().sensor_map);
-    for (id, shape) in active.iter() {
+    for (id, shape) in active.iter().rev() {
         let group = &mut map.get_mut(id).unwrap();
         let region = shape.to_screen(window_size);
         let in_shape = cursor.exists && region.contains(cursor.pos);
         group.hover.update(in_shape);
         group.cursor.update(cursor.pressed && in_shape);
 
+        let mut ran = false;
         for sensor in &mut group.sensors {
             if should_run(sensor.senses, group.cursor, group.hover) {
+                ran = true;
                 let sctx = SenseCtx {
                     cursor: cursor.pos - region.top_left,
                     size: region.bot_right - region.top_left,
@@ -75,6 +77,9 @@ pub fn run_sensors<Ctx: UiCtx>(ctx: &mut Ctx, cursor: &CursorState, window_size:
                 (sensor.f)(ctx, sctx);
             }
         }
+        if ran {
+            break;
+        }
     }
     ctx.ui().sensor_map = map;
     ctx.ui().active.sensors = active;

src/testing/mod.rs

@@ -1,16 +1,11 @@
 use std::sync::Arc;
 
 use app::App;
-use cosmic_text::{Family, Motion};
+use cosmic_text::Family;
 use render::Renderer;
 use senses::*;
 use ui::prelude::*;
-use winit::{
-    event::WindowEvent,
-    event_loop::ActiveEventLoop,
-    keyboard::{Key, NamedKey},
-    window::Window,
-};
+use winit::{event::WindowEvent, event_loop::ActiveEventLoop, window::Window};
 
 use crate::testing::input::Input;
 
@@ -207,29 +202,9 @@ impl Client {
             WindowEvent::KeyboardInput { event, .. } => {
                 if let Some(sel) = &self.selected
                     && event.state.is_pressed()
+                    && self.ui.text(sel).apply_event(&event).unfocus()
                 {
-                    let w = &mut self.ui.text(sel);
-                    match &event.logical_key {
-                        Key::Named(named) => match named {
-                            NamedKey::Backspace => w.backspace(),
-                            NamedKey::Delete => w.delete(),
-                            NamedKey::Space => w.insert(" "),
-                            NamedKey::Enter => w.newline(),
-                            NamedKey::ArrowRight => w.motion(Motion::Right),
-                            NamedKey::ArrowLeft => w.motion(Motion::Left),
-                            NamedKey::ArrowUp => w.motion(Motion::Up),
-                            NamedKey::ArrowDown => w.motion(Motion::Down),
-                            NamedKey::Escape => {
-                                w.deselect();
-                                self.selected = None;
-                            }
-                            _ => (),
-                        },
-                        Key::Character(text) => {
-                            w.insert(text);
-                        }
-                        _ => (),
-                    }
+                    self.selected = None;
                 }
             }
             _ => (),

src/util/idvec.rs

@@ -0,0 +1,76 @@
+use std::ops::{Deref, Index, IndexMut};
+
+use crate::util::{HashMap, id::Id};
+
+/// a vec that's indexed with permanent ids rather than an offset
+pub struct IdVec<T> {
+    map: HashMap<Id, usize>,
+    vec: Vec<(Id, T)>,
+}
+
+impl<T> IdVec<T> {
+    pub fn insert(&mut self, id: Id, v: T) {
+        let idx = self.vec.len();
+        self.map.insert(id.duplicate(), idx);
+        self.vec.push((id, v));
+    }
+
+    pub fn remove(&mut self, id: &Id) -> Option<T> {
+        let i = self.map.remove(id)?;
+        let v = self.vec.remove(i).1;
+        for (id, _) in &self.vec[i..] {
+            *self.map.get_mut(id).unwrap() -= 1;
+        }
+        Some(v)
+    }
+
+    pub fn len(&self) -> usize {
+        self.map.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.map.is_empty()
+    }
+
+    pub fn idx(&self, id: &Id) -> usize {
+        self.map[id]
+    }
+
+    pub fn clear(&mut self) {
+        self.map.clear();
+        self.vec.clear();
+    }
+}
+
+impl<T> Default for IdVec<T> {
+    fn default() -> Self {
+        Self {
+            map: Default::default(),
+            vec: Default::default(),
+        }
+    }
+}
+
+impl<T> Index<&Id> for IdVec<T> {
+    type Output = T;
+
+    fn index(&self, id: &Id) -> &Self::Output {
+        let i = self.idx(id);
+        &self.vec[i].1
+    }
+}
+
+impl<T> IndexMut<&Id> for IdVec<T> {
+    fn index_mut(&mut self, id: &Id) -> &mut Self::Output {
+        let i = self.idx(id);
+        &mut self.vec[i].1
+    }
+}
+
+impl<T> Deref for IdVec<T> {
+    type Target = Vec<(Id, T)>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.vec
+    }
+}

src/util/mod.rs

@@ -1,12 +1,14 @@
 mod bitflags;
 mod borrow;
 mod id;
+mod idvec;
 mod math;
 mod refcount;
 
 pub(crate) use bitflags::*;
 pub(crate) use borrow::*;
 pub(crate) use id::*;
+pub(crate) use idvec::*;
 pub(crate) use math::*;
 pub(crate) use refcount::*;