egui: impl. layer display manager sidebar (not affecting display yet)

src/bin/topola-egui/app.rs

@@ -40,7 +40,7 @@ use topola::{
     },
 };
 
-use crate::{overlay::Overlay, painter::Painter};
+use crate::{layers::Layers, overlay::Overlay, painter::Painter};
 
 #[derive(Debug, Default)]
 struct SharedData {
@@ -76,6 +76,9 @@ pub struct App {
 
     #[serde(skip)]
     show_ratsnest: bool,
+
+    #[serde(skip)]
+    layers: Option<Layers>,
 }
 
 impl Default for App {
@@ -88,6 +91,7 @@ impl Default for App {
             from_rect: egui::Rect::from_x_y_ranges(0.0..=1000000.0, 0.0..=500000.0),
             is_placing_via: false,
             show_ratsnest: true,
+            layers: None,
         }
     }
 }
@@ -169,6 +173,7 @@ impl eframe::App for App {
                 let design = DsnDesign::load_from_string(file_contents).unwrap();
                 let board = design.make_board();
                 self.overlay = Some(Overlay::new(&board).unwrap());
+                self.layers = Some(Layers::new(&board));
                 self.invoker = Some(Arc::new(Mutex::new(Invoker::new(
                     Autorouter::new(board).unwrap(),
                 ))));
@@ -178,6 +183,7 @@ impl eframe::App for App {
                 let design = DsnDesign::load_from_file(&path).unwrap();
                 let board = design.make_board();
                 self.overlay = Some(Overlay::new(&board).unwrap());
+                self.layers = Some(Layers::new(&board));
                 self.invoker = Some(Arc::new(Mutex::new(Invoker::new(
                     Autorouter::new(board).unwrap(),
                 ))));
@@ -338,6 +344,12 @@ impl eframe::App for App {
             });
         });
 
+        if let Some(ref mut layers) = self.layers {
+            if let Some(invoker_arc_mutex) = &self.invoker {
+                layers.update(ctx, invoker_arc_mutex.lock().unwrap().autorouter().board());
+            }
+        }
+
         egui::CentralPanel::default().show(ctx, |ui| {
             egui::Frame::canvas(ui.style()).show(ui, |ui| {
                 ui.ctx().request_repaint();

src/bin/topola-egui/layers.rs

@@ -0,0 +1,35 @@
+use topola::board::{mesadata::MesadataTrait, Board};
+
+pub struct Layers {
+    visible: Box<[bool]>,
+}
+
+impl Layers {
+    pub fn new(board: &Board<impl MesadataTrait>) -> Self {
+        let layer_count = board.layout().drawing().layer_count();
+
+        Self {
+            visible: std::iter::repeat(true)
+                .take(layer_count.try_into().unwrap() /* FIXME */)
+                .collect::<Vec<_>>()
+                .into_boxed_slice(),
+        }
+    }
+
+    pub fn update(&mut self, ctx: &egui::Context, board: &Board<impl MesadataTrait>) {
+        egui::SidePanel::right("right_side_panel").show(ctx, |ui| {
+            ui.label("Layers");
+
+            for (layer, visible) in self.visible.iter_mut().enumerate() {
+                let layername = board
+                    .layout()
+                    .drawing()
+                    .rules()
+                    .layer_layername(layer.try_into().unwrap() /* FIXME */)
+                    .unwrap_or("Unnamed layer");
+
+                ui.checkbox(visible, layername);
+            }
+        });
+    }
+}

src/bin/topola-egui/main.rs

@@ -1,6 +1,7 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
 
 mod app;
+mod layers;
 mod overlay;
 mod painter;
 use app::App;

src/board/board.rs

@@ -6,7 +6,6 @@ use crate::{
         band::BandIndex,
         dot::{FixedDotIndex, FixedDotWeight},
         graph::{GetLayer, GetMaybeNet, PrimitiveIndex},
-        rules::RulesTrait,
         seg::{FixedSegIndex, FixedSegWeight},
         Infringement,
     },

src/board/mesadata.rs

@@ -1,6 +1,5 @@
 use crate::{drawing::rules::RulesTrait, layout::NodeIndex};
 
-// TODO: use this trait.
 pub trait MesadataTrait: RulesTrait {
     fn bename_layer(&mut self, layer: u64, layername: String);
     fn layer_layername(&self, layer: u64) -> Option<&str>;