refactor(egui): add empty skeleton for interactions

src/autorouter/invoker.rs

@@ -45,6 +45,12 @@ pub trait GetObstacles {
     fn obstacles(&self) -> &[PrimitiveIndex];
 }
 
+#[derive(Debug, Clone)]
+pub enum InvokerStatus {
+    Running,
+    Finished(String),
+}
+
 #[derive(Error, Debug, Clone)]
 pub enum InvokerError {
     #[error(transparent)]
@@ -53,12 +59,6 @@ pub enum InvokerError {
     Autorouter(#[from] AutorouterError),
 }
 
-#[derive(Debug, Clone)]
-pub enum InvokerStatus {
-    Running,
-    Finished(String),
-}
-
 impl TryInto<()> for InvokerStatus {
     type Error = ();
     fn try_into(self) -> Result<(), ()> {

src/bin/topola-egui/activity.rs

@@ -15,7 +15,12 @@ use topola::{
     stepper::{Abort, Step},
 };
 
+use crate::interaction::{
+    InteractionContext, InteractionError, InteractionStatus, InteractionStepper,
+};
+
 pub struct ActivityContext<'a> {
+    pub interaction: InteractionContext,
     pub invoker: &'a mut Invoker<SpecctraMesadata>,
 }
 
@@ -25,6 +30,15 @@ pub enum ActivityStatus {
     Finished(String),
 }
 
+impl From<InteractionStatus> for ActivityStatus {
+    fn from(status: InteractionStatus) -> Self {
+        match status {
+            InteractionStatus::Running => ActivityStatus::Running,
+            InteractionStatus::Finished(msg) => ActivityStatus::Finished(msg),
+        }
+    }
+}
+
 impl From<InvokerStatus> for ActivityStatus {
     fn from(status: InvokerStatus) -> Self {
         match status {
@@ -46,18 +60,23 @@ impl TryInto<()> for ActivityStatus {
 
 #[derive(Error, Debug, Clone)]
 pub enum ActivityError {
+    #[error(transparent)]
+    Interaction(#[from] InteractionError),
     #[error(transparent)]
     Invoker(#[from] InvokerError),
 }
 
 pub enum ActivityStepper {
-    // There will be another variant for interactive activities here soon. (TODO)
+    Interaction(InteractionStepper),
     Execution(ExecutionStepper),
 }
 
 impl Step<ActivityContext<'_>, ActivityStatus, ActivityError, ()> for ActivityStepper {
     fn step(&mut self, context: &mut ActivityContext) -> Result<ActivityStatus, ActivityError> {
         match self {
+            ActivityStepper::Interaction(interaction) => {
+                Ok(interaction.step(&mut context.interaction)?.into())
+            }
             ActivityStepper::Execution(execution) => Ok(execution.step(context.invoker)?.into()),
         }
     }
@@ -66,6 +85,9 @@ impl Step<ActivityContext<'_>, ActivityStatus, ActivityError, ()> for ActivitySt
 impl Abort<ActivityContext<'_>> for ActivityStepper {
     fn abort(&mut self, context: &mut ActivityContext) {
         match self {
+            ActivityStepper::Interaction(interaction) => {
+                Ok(interaction.abort(&mut context.interaction))
+            }
             ActivityStepper::Execution(execution) => execution.finish(context.invoker), // TODO.
         };
     }
@@ -75,6 +97,7 @@ impl GetMaybeNavmesh for ActivityStepper {
     /// Implemented manually instead of with `enum_dispatch` because it doesn't work across crates.
     fn maybe_navmesh(&self) -> Option<&Navmesh> {
         match self {
+            ActivityStepper::Interaction(interaction) => interaction.maybe_navmesh(),
             ActivityStepper::Execution(execution) => execution.maybe_navmesh(),
         }
     }
@@ -84,6 +107,7 @@ impl GetMaybeTrace for ActivityStepper {
     /// Implemented manually instead of with `enum_dispatch` because it doesn't work across crates.
     fn maybe_trace(&self) -> Option<&TraceStepper> {
         match self {
+            ActivityStepper::Interaction(interaction) => interaction.maybe_trace(),
             ActivityStepper::Execution(execution) => execution.maybe_trace(),
         }
     }
@@ -93,6 +117,7 @@ impl GetGhosts for ActivityStepper {
     /// Implemented manually instead of with `enum_dispatch` because it doesn't work across crates.
     fn ghosts(&self) -> &[PrimitiveShape] {
         match self {
+            ActivityStepper::Interaction(interaction) => interaction.ghosts(),
             ActivityStepper::Execution(execution) => execution.ghosts(),
         }
     }
@@ -102,6 +127,7 @@ impl GetObstacles for ActivityStepper {
     /// Implemented manually instead of with `enum_dispatch` because it doesn't work across crates.
     fn obstacles(&self) -> &[PrimitiveIndex] {
         match self {
+            ActivityStepper::Interaction(interaction) => interaction.obstacles(),
             ActivityStepper::Execution(execution) => execution.obstacles(),
         }
     }

src/bin/topola-egui/app.rs

@@ -22,6 +22,7 @@ use crate::{
     activity::{ActivityContext, ActivityStatus, ActivityStepperWithStatus},
     config::Config,
     error_dialog::ErrorDialog,
+    interaction::InteractionContext,
     layers::Layers,
     menu_bar::MenuBar,
     overlay::Overlay,
@@ -170,7 +171,10 @@ impl App {
             }
 
             if let Some(ref mut activity) = self.maybe_activity {
-                return match activity.step(&mut ActivityContext { invoker }) {
+                return match activity.step(&mut ActivityContext {
+                    interaction: InteractionContext {},
+                    invoker,
+                }) {
                     Ok(ActivityStatus::Running) => true,
                     Ok(ActivityStatus::Finished(..)) => false,
                     Err(err) => {

src/bin/topola-egui/interaction.rs

@@ -0,0 +1,84 @@
+use thiserror::Error;
+use topola::{
+    autorouter::invoker::{GetGhosts, GetMaybeNavmesh, GetMaybeTrace, GetObstacles},
+    drawing::graph::PrimitiveIndex,
+    geometry::primitive::PrimitiveShape,
+    router::{navmesh::Navmesh, trace::TraceStepper},
+    stepper::{Abort, Step},
+};
+
+use crate::activity::ActivityStepperWithStatus;
+
+pub struct InteractionContext {
+    // Empty for now.
+    // For example, this will contain mouse pointer position.
+    // (we will need an additional struct to hold a reference to a `Board<...>`)
+}
+
+#[derive(Debug, Clone)]
+pub enum InteractionStatus {
+    Running,
+    Finished(String),
+}
+
+impl TryInto<()> for InteractionStatus {
+    type Error = ();
+    fn try_into(self) -> Result<(), ()> {
+        match self {
+            InteractionStatus::Running => Err(()),
+            InteractionStatus::Finished(..) => Ok(()),
+        }
+    }
+}
+
+#[derive(Error, Debug, Clone)]
+pub enum InteractionError {
+    #[error("nothing to interact with")]
+    NothingToInteract,
+}
+
+pub enum InteractionStepper {
+    // No interactions yet. This is only an empty skeleton for now.
+    // Examples of interactions:
+    // - interactively routing a track
+    // - interactively moving a footprint.
+}
+
+impl Step<InteractionContext, InteractionStatus, InteractionError, ()> for InteractionStepper {
+    fn step(
+        &mut self,
+        invoker: &mut InteractionContext,
+    ) -> Result<InteractionStatus, InteractionError> {
+        Ok(InteractionStatus::Finished(String::from("")))
+    }
+}
+
+impl Abort<InteractionContext> for InteractionStepper {
+    fn abort(&mut self, context: &mut InteractionContext) {
+        todo!();
+    }
+}
+
+impl GetMaybeNavmesh for InteractionStepper {
+    fn maybe_navmesh(&self) -> Option<&Navmesh> {
+        todo!()
+    }
+}
+
+impl GetMaybeTrace for InteractionStepper {
+    fn maybe_trace(&self) -> Option<&TraceStepper> {
+        todo!()
+    }
+}
+
+impl GetGhosts for InteractionStepper {
+    fn ghosts(&self) -> &[PrimitiveShape] {
+        todo!()
+    }
+}
+
+impl GetObstacles for InteractionStepper {
+    fn obstacles(&self) -> &[PrimitiveIndex] {
+        todo!()
+    }
+}

src/bin/topola-egui/main.rs

@@ -5,6 +5,7 @@ mod activity;
 mod app;
 mod config;
 mod error_dialog;
+mod interaction;
 mod layers;
 mod menu_bar;
 mod overlay;

src/bin/topola-egui/menu_bar.rs

@@ -22,6 +22,7 @@ use crate::{
     action::{Action, Switch, Trigger},
     activity::{ActivityContext, ActivityStatus, ActivityStepperWithStatus},
     app::{execute, handle_file},
+    interaction::InteractionContext,
     overlay::Overlay,
     translator::Translator,
     viewport::Viewport,
@@ -331,7 +332,10 @@ impl MenuBar {
                 } else if abort.consume_key_triggered(ctx, ui) {
                     if let Some(activity) = maybe_activity {
                         if let Some(invoker) = arc_mutex_maybe_invoker.lock().unwrap().as_mut() {
-                            activity.abort(&mut ActivityContext { invoker });
+                            activity.abort(&mut ActivityContext {
+                                interaction: InteractionContext {},
+                                invoker,
+                            });
                         }
                     }
                 } else if remove_bands.consume_key_triggered(ctx, ui) {

src/board/mesadata.rs

@@ -24,8 +24,3 @@ pub trait AccessMesadata: AccessRules {
     /// Retrieves the index of a net by its name.
     fn netname_net(&self, netname: &str) -> Option<usize>;
 }
-
-
-
-
-