feat: inactive window header icon/text colors

src/theme/style/iced.rs

@@ -373,7 +373,9 @@ pub enum Container {
     Custom(Box<dyn Fn(&Theme) -> container::Appearance>),
     Dialog,
     Dropdown,
-    HeaderBar,
+    HeaderBar {
+        focused: bool,
+    },
     List,
     Primary,
     Secondary,
@@ -473,9 +475,22 @@ impl container::StyleSheet for Theme {
                 }
             }
 
-            Container::HeaderBar => container::Appearance {
+            Container::HeaderBar { focused } => {
-                icon_color: Some(Color::from(cosmic.accent.base)),
+                let (icon_color, text_color) = if *focused {
-                text_color: Some(Color::from(cosmic.background.on)),
+                    (
+                        Color::from(cosmic.accent.base),
+                        Color::from(cosmic.background.on),
+                    )
+                } else {
+                    use crate::ext::ColorExt;
+                    let unfocused_color = Color::from(cosmic.background.component.on)
+                        .blend_alpha(cosmic.background.base.into(), 0.75);
+                    (unfocused_color, unfocused_color)
+                };
+
+                container::Appearance {
+                    icon_color: Some(icon_color),
+                    text_color: Some(text_color),
                     background: Some(iced::Background::Color(cosmic.background.base.into())),
                     border: Border {
                         radius: [
@@ -488,7 +503,8 @@ impl container::StyleSheet for Theme {
                         ..Default::default()
                     },
                     shadow: Shadow::default(),
-            },
+                }
+            }
 
             Container::ContextDrawer => {
                 let mut appearance = crate::style::Container::primary(cosmic);

src/widget/header_bar.rs

@@ -299,7 +299,9 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
             .padding(8)
             .spacing(8)
             .apply(widget::container)
-            .style(crate::theme::Container::HeaderBar)
+            .style(crate::theme::Container::HeaderBar {
+                focused: self.focused,
+            })
             .center_y()
             .apply(widget::mouse_area);