REAL SENSORS

src/layout/sense.rs

@@ -0,0 +1,44 @@
+use crate::{HashMap, Ui, UiRegion, util::Id};
+
+#[derive(Clone, Copy, PartialEq)]
+pub enum Sense {
+    Press,
+    Held,
+    Hover,
+    NoHover,
+}
+
+pub struct Sensor<Ctx> {
+    pub sense: Sense,
+    pub f: Box<dyn SenseFn<Ctx>>,
+}
+
+pub struct ActiveSensor<Ctx> {
+    pub trigger: SenseTrigger,
+    pub f: Box<dyn SenseFn<Ctx>>,
+}
+impl<Ctx: 'static> Clone for ActiveSensor<Ctx> {
+    fn clone(&self) -> Self {
+        Self {
+            trigger: self.trigger.clone(),
+            f: self.f.box_clone(),
+        }
+    }
+}
+pub type SensorMap<Ctx> = HashMap<Id, Vec<Sensor<Ctx>>>;
+pub type ActiveSensors<Ctx> = Vec<Vec<ActiveSensor<Ctx>>>;
+pub trait SenseFn_<Ctx> = FnMut(&mut Ui<Ctx>, &mut Ctx) + 'static;
+pub type SenseShape = UiRegion;
+#[derive(Clone)]
+pub struct SenseTrigger {
+    pub shape: SenseShape,
+    pub sense: Sense,
+}
+pub trait SenseFn<Ctx>: SenseFn_<Ctx> {
+    fn box_clone(&self) -> Box<dyn SenseFn<Ctx>>;
+}
+impl<F: SenseFn_<Ctx> + Clone, Ctx> SenseFn<Ctx> for F {
+    fn box_clone(&self) -> Box<dyn SenseFn<Ctx>> {
+        Box::new(self.clone())
+    }
+}