From 7658cf9d511ac00a155e12b3bd437452062f3d04 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Forment?= <raphael.forment@gmail.com>
Date: Fri, 30 Jan 2026 20:27:08 +0100
Subject: [PATCH] Feat: add icon and reorganize desktop.rs

---
 Cargo.toml              |   2 ++
 README.md               |   4 +++
 cagire_pixel.png        | Bin 0 -> 26749 bytes
 src/bin/desktop.rs      |  74 ++++++++++------------------------------
 src/engine/sequencer.rs |   6 ++--
 src/settings.rs         |   4 ++-
 6 files changed, 31 insertions(+), 59 deletions(-)
 create mode 100644 cagire_pixel.png

diff --git a/Cargo.toml b/Cargo.toml
index 7cb086a..e407675 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,6 +26,7 @@ desktop = [
     "eframe",
     "egui_ratatui",
     "soft_ratatui",
+    "image",
 ]
 
 [dependencies]
@@ -56,6 +57,7 @@ egui = { version = "0.33", optional = true }
 eframe = { version = "0.33", optional = true }
 egui_ratatui = { version = "2.1", optional = true }
 soft_ratatui = { version = "0.1.3", features = ["unicodefonts"], optional = true }
+image = { version = "0.25", default-features = false, features = ["png"], optional = true }
 
 [profile.release]
 opt-level = 3
diff --git a/README.md b/README.md
index a7d9485..a3e4c1d 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+<p align="center">
+  <img src="cagire_pixel.png" alt="Cagire" width="256">
+</p>
+
 # Cagire
 
 A Forth Music Sequencer.
diff --git a/cagire_pixel.png b/cagire_pixel.png
new file mode 100644
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diff --git a/src/bin/desktop.rs b/src/bin/desktop.rs
index dd1a32f..298985c 100644
--- a/src/bin/desktop.rs
+++ b/src/bin/desktop.rs
@@ -145,7 +145,6 @@ struct CagireDesktop {
     _stream: Option<cpal::Stream>,
     _analysis_handle: Option<AnalysisHandle>,
     current_font: FontChoice,
-    pending_font: Option<FontChoice>,
 }
 
 impl CagireDesktop {
@@ -270,7 +269,6 @@ impl CagireDesktop {
             _stream: stream,
             _analysis_handle: analysis_handle,
             current_font,
-            pending_font: None,
         }
     }
 
@@ -302,7 +300,7 @@ impl CagireDesktop {
         }
         self.app.audio.config.sample_count = restart_samples.len();
 
-        self.audio_sample_pos.store(0, Ordering::Relaxed);
+        self.audio_sample_pos.store(0, Ordering::Release);
 
         match build_stream(
             &new_config,
@@ -372,14 +370,6 @@ impl CagireDesktop {
 
 impl eframe::App for CagireDesktop {
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
-        if let Some(font) = self.pending_font.take() {
-            self.terminal = create_terminal(font);
-            self.current_font = font;
-            let mut settings = Settings::load();
-            settings.display.font = font.to_setting().to_string();
-            settings.save();
-        }
-
         self.handle_audio_restart();
         self.update_metrics();
 
@@ -412,7 +402,7 @@ impl eframe::App for CagireDesktop {
         }
 
         let current_font = self.current_font;
-        let mut pending_font = None;
+        let mut new_font = None;
 
         egui::CentralPanel::default()
             .frame(egui::Frame::NONE.fill(egui::Color32::BLACK))
@@ -429,7 +419,6 @@ impl eframe::App for CagireDesktop {
 
                 ui.add(self.terminal.backend_mut());
 
-                // Create a click-sensing overlay for context menu
                 let response = ui.interact(
                     ui.max_rect(),
                     egui::Id::new("terminal_context"),
@@ -440,7 +429,7 @@ impl eframe::App for CagireDesktop {
                         for choice in FontChoice::ALL {
                             let selected = current_font == choice;
                             if ui.selectable_label(selected, choice.label()).clicked() {
-                                pending_font = Some(choice);
+                                new_font = Some(choice);
                                 ui.close();
                             }
                         }
@@ -448,8 +437,12 @@ impl eframe::App for CagireDesktop {
                 });
             });
 
-        if pending_font.is_some() {
-            self.pending_font = pending_font;
+        if let Some(font) = new_font {
+            self.terminal = create_terminal(font);
+            self.current_font = font;
+            let mut settings = Settings::load();
+            settings.display.font = font.to_setting().to_string();
+            settings.save();
         }
 
         ctx.request_repaint_after(Duration::from_millis(
@@ -465,50 +458,19 @@ impl eframe::App for CagireDesktop {
 }
 
 fn load_icon() -> egui::IconData {
-    let size = 64u32;
-    let mut rgba = vec![0u8; (size * size * 4) as usize];
+    const ICON_BYTES: &[u8] = include_bytes!("../../cagire_pixel.png");
 
-    for y in 0..size {
-        for x in 0..size {
-            let idx = ((y * size + x) * 4) as usize;
-            let cx = x as f32 - size as f32 / 2.0;
-            let cy = y as f32 - size as f32 / 2.0;
-            let dist = (cx * cx + cy * cy).sqrt();
-            let radius = size as f32 / 2.0 - 2.0;
+    let img = image::load_from_memory(ICON_BYTES)
+        .expect("Failed to load embedded icon")
+        .resize(64, 64, image::imageops::FilterType::Lanczos3)
+        .into_rgba8();
 
-            if dist < radius {
-                let angle = cy.atan2(cx);
-                let normalized = (angle + std::f32::consts::PI) / (2.0 * std::f32::consts::PI);
-
-                if normalized > 0.1 && normalized < 0.9 {
-                    let inner_radius = radius * 0.5;
-                    if dist > inner_radius {
-                        rgba[idx] = 80;
-                        rgba[idx + 1] = 160;
-                        rgba[idx + 2] = 200;
-                        rgba[idx + 3] = 255;
-                    } else {
-                        rgba[idx] = 30;
-                        rgba[idx + 1] = 60;
-                        rgba[idx + 2] = 80;
-                        rgba[idx + 3] = 255;
-                    }
-                } else {
-                    rgba[idx] = 30;
-                    rgba[idx + 1] = 30;
-                    rgba[idx + 2] = 40;
-                    rgba[idx + 3] = 255;
-                }
-            } else {
-                rgba[idx + 3] = 0;
-            }
-        }
-    }
+    let (width, height) = img.dimensions();
 
     egui::IconData {
-        rgba,
-        width: size,
-        height: size,
+        rgba: img.into_raw(),
+        width,
+        height,
     }
 }
 
diff --git a/src/engine/sequencer.rs b/src/engine/sequencer.rs
index e3eb134..35be218 100644
--- a/src/engine/sequencer.rs
+++ b/src/engine/sequencer.rs
@@ -165,7 +165,9 @@ impl SequencerHandle {
 
     pub fn shutdown(self) {
         let _ = self.cmd_tx.send(SeqCommand::Shutdown);
-        let _ = self.thread.join();
+        if let Err(e) = self.thread.join() {
+            eprintln!("Sequencer thread panicked: {e:?}");
+        }
     }
 }
 
@@ -873,7 +875,7 @@ fn sequencer_loop(
         let tempo = state.tempo();
 
         let sr = sample_rate.load(Ordering::Relaxed) as f64;
-        let audio_samples = audio_sample_pos.load(Ordering::Relaxed);
+        let audio_samples = audio_sample_pos.load(Ordering::Acquire);
         let engine_time = if sr > 0.0 {
             audio_samples as f64 / sr
         } else {
diff --git a/src/settings.rs b/src/settings.rs
index 425bce4..f8daa38 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -101,7 +101,9 @@ impl Settings {
     }
 
     pub fn save(&self) {
-        let _ = confy::store(APP_NAME, None, self);
+        if let Err(e) = confy::store(APP_NAME, None, self) {
+            eprintln!("Failed to save settings: {e}");
+        }
     }
 }