render/shadow: Adjust alpha by light/dark mode

src/backend/render/shadow.rs

@@ -26,6 +26,7 @@ pub struct ShadowParameters {
     scale: f64,
     alpha: f32,
     radius: [u8; 4],
+    dark_mode: bool,
 }
 type ShadowCache = RefCell<HashMap<CosmicMappedKey, (ShadowParameters, PixelShaderElement)>>;
 
@@ -47,12 +48,14 @@ impl ShadowShader {
         radius: [u8; 4],
         alpha: f32,
         scale: f64,
+        dark_mode: bool,
     ) -> PixelShaderElement {
         let params = ShadowParameters {
             geo,
             scale,
             alpha,
             radius,
+            dark_mode,
         };
         let ceil = |logical: f64| (logical * scale).ceil() / scale;
 
@@ -81,7 +84,7 @@ impl ShadowShader {
             let softness = 25.;
             let spread = 5.;
             let offset = [0., 5.];
-            let color = [0., 0., 0., 0.35];
+            let color = [0., 0., 0., if dark_mode { 0.45 } else { 0.35 }];
             let radius = radius.map(|r| ceil(r as f64));
             let radius = [
                 radius[3], // top_left

src/shell/element/stack.rs

@@ -711,6 +711,7 @@ impl CosmicStack {
                     radii,
                     if activated { alpha } else { alpha * 0.75 },
                     output_scale.x,
+                    theme.cosmic().is_dark,
                 ))
                 .into(),
             )

src/shell/element/window.rs

@@ -372,6 +372,7 @@ impl CosmicWindow {
             let is_tiled = p.is_tiled();
             let activated = p.window.is_activated(false);
             let appearance = p.appearance_conf.lock().unwrap();
+            let theme = p.theme.lock().unwrap();
 
             if p.window.is_maximized(false) {
                 return None;
@@ -388,10 +389,7 @@ impl CosmicWindow {
             if !should_draw_shadow {
                 return None;
             }
-            let mut radii = p
-                .theme
-                .lock()
-                .unwrap()
+            let mut radii = theme
                 .cosmic()
                 .radius_s()
                 .map(|x| if x < 4.0 { x } else { x + 4.0 })
@@ -425,6 +423,7 @@ impl CosmicWindow {
                     radii,
                     if activated { alpha } else { alpha * 0.75 },
                     output_scale.x,
+                    theme.cosmic().is_dark,
                 ))
                 .into(),
             )