1 files changed, 81 insertions, 0 deletions
diff --git a/alacritty/src/display/wayland_theme.rs b/alacritty/src/display/wayland_theme.rs
new file mode 100644
index 00000000..1932ae01
--- /dev/null
+++ b/alacritty/src/display/wayland_theme.rs
@@ -0,0 +1,81 @@
+use glutin::platform::unix::{ARGBColor, Button, ButtonState, Element, Theme as WaylandTheme};
+
+use alacritty_terminal::term::color::Rgb;
+
+use crate::config::color::Colors;
+
+const INACTIVE_OPACITY: u8 = 127;
+
+#[derive(Debug, Clone)]
+pub struct AlacrittyWaylandTheme {
+    pub background: ARGBColor,
+    pub foreground: ARGBColor,
+    pub dim_foreground: ARGBColor,
+    pub hovered_close_icon: ARGBColor,
+    pub hovered_maximize_icon: ARGBColor,
+    pub hovered_minimize_icon: ARGBColor,
+}
+
+impl AlacrittyWaylandTheme {
+    pub fn new(colors: &Colors) -> Self {
+        let hovered_close_icon = colors.normal.red.into_rgba();
+        let hovered_maximize_icon = colors.normal.green.into_rgba();
+        let hovered_minimize_icon = colors.normal.yellow.into_rgba();
+        let foreground = colors.search_bar_foreground().into_rgba();
+        let background = colors.search_bar_background().into_rgba();
+
+        let mut dim_foreground = foreground;
+        dim_foreground.a = INACTIVE_OPACITY;
+
+        Self {
+            foreground,
+            background,
+            dim_foreground,
+            hovered_close_icon,
+            hovered_minimize_icon,
+            hovered_maximize_icon,
+        }
+    }
+}
+
+impl WaylandTheme for AlacrittyWaylandTheme {
+    fn element_color(&self, element: Element, window_active: bool) -> ARGBColor {
+        match element {
+            Element::Bar | Element::Separator => self.background,
+            Element::Text if window_active => self.foreground,
+            Element::Text => self.dim_foreground,
+        }
+    }
+
+    fn button_color(
+        &self,
+        button: Button,
+        state: ButtonState,
+        foreground: bool,
+        window_active: bool,
+    ) -> ARGBColor {
+        if !foreground {
+            return ARGBColor { a: 0, r: 0, g: 0, b: 0 };
+        } else if !window_active {
+            return self.dim_foreground;
+        }
+
+        match (state, button) {
+            (ButtonState::Idle, _) => self.foreground,
+            (ButtonState::Disabled, _) => self.dim_foreground,
+            (_, Button::Minimize) => self.hovered_minimize_icon,
+            (_, Button::Maximize) => self.hovered_maximize_icon,
+            (_, Button::Close) => self.hovered_close_icon,
+        }
+    }
+}
+
+trait IntoARGBColor {
+    fn into_rgba(self) -> ARGBColor;
+}
+
+impl IntoARGBColor for Rgb {
+    fn into_rgba(self) -> ARGBColor {
+        ARGBColor { a: 0xff, r: self.r, g: self.g, b: self.b }
+    }
+}