Move implementations from example to libcosmic

src/widget/list_view.rs

@@ -0,0 +1,23 @@
+use iced::{
+    Background,
+    Color,
+    Theme,
+    widget::{
+        container,
+    },
+};
+
+pub fn list_view_style(theme: &Theme) -> container::Appearance {
+    container::Appearance {
+        text_color: None,
+        background: Some(Background::Color(
+            match theme {
+                Theme::Dark => Color::from_rgb8(0x27, 0x27, 0x27),
+                Theme::Light => Color::from_rgb8(0xf7, 0xf7, 0xf7),
+            }
+        )),
+        border_radius: 8.0,
+        border_width: 0.0,
+        border_color: Color::TRANSPARENT,
+    }
+}