Add own Style type

src/lib.rs

@@ -12,6 +12,7 @@
 mod buffer;
 mod coords;
 mod frame;
+mod style;
 mod styled;
 mod terminal;
 mod widget;
@@ -21,6 +22,7 @@ mod wrap;
 
 pub use coords::*;
 pub use frame::*;
+pub use style::*;
 pub use styled::*;
 pub use terminal::*;
 pub use widget::*;

src/style.rs

@@ -0,0 +1,63 @@
+use crossterm::style::{ContentStyle, Stylize};
+
+fn merge_cs(base: ContentStyle, cover: ContentStyle) -> ContentStyle {
+    ContentStyle {
+        foreground_color: cover.foreground_color.or(base.foreground_color),
+        background_color: cover.background_color.or(base.background_color),
+        underline_color: cover.underline_color.or(base.underline_color),
+        attributes: cover.attributes,
+    }
+}
+
+#[derive(Debug, Clone, Copy, Default)]
+pub struct Style {
+    pub content_style: ContentStyle,
+    pub opaque: bool,
+}
+
+impl Style {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn transparent(mut self) -> Self {
+        self.opaque = false;
+        self
+    }
+
+    pub fn opaque(mut self) -> Self {
+        self.opaque = true;
+        self
+    }
+
+    pub fn cover(self, base: Self) -> Self {
+        if self.opaque {
+            return self;
+        }
+
+        Self {
+            content_style: merge_cs(base.content_style, self.content_style),
+            opaque: base.opaque,
+        }
+    }
+}
+
+impl AsRef<ContentStyle> for Style {
+    fn as_ref(&self) -> &ContentStyle {
+        &self.content_style
+    }
+}
+
+impl AsMut<ContentStyle> for Style {
+    fn as_mut(&mut self) -> &mut ContentStyle {
+        &mut self.content_style
+    }
+}
+
+impl Stylize for Style {
+    type Styled = Self;
+
+    fn stylize(self) -> Self::Styled {
+        self
+    }
+}