1 files changed, 70 insertions, 0 deletions
diff --git a/alacritty/src/config/bell.rs b/alacritty/src/config/bell.rs
new file mode 100644
index 00000000..2516e2b3
--- /dev/null
+++ b/alacritty/src/config/bell.rs
@@ -0,0 +1,70 @@
+use std::time::Duration;
+
+use alacritty_config_derive::ConfigDeserialize;
+
+use alacritty_terminal::config::Program;
+use alacritty_terminal::term::color::Rgb;
+
+#[derive(ConfigDeserialize, Clone, Debug, PartialEq, Eq)]
+pub struct BellConfig {
+    /// Visual bell animation function.
+    pub animation: BellAnimation,
+
+    /// Command to run on bell.
+    pub command: Option<Program>,
+
+    /// Visual bell flash color.
+    pub color: Rgb,
+
+    /// Visual bell duration in milliseconds.
+    duration: u16,
+}
+
+impl Default for BellConfig {
+    fn default() -> Self {
+        Self {
+            color: Rgb { r: 255, g: 255, b: 255 },
+            animation: Default::default(),
+            command: Default::default(),
+            duration: Default::default(),
+        }
+    }
+}
+
+impl BellConfig {
+    pub fn duration(&self) -> Duration {
+        Duration::from_millis(self.duration as u64)
+    }
+}
+
+/// `VisualBellAnimations` are modeled after a subset of CSS transitions and Robert
+/// Penner's Easing Functions.
+#[derive(ConfigDeserialize, Clone, Copy, Debug, PartialEq, Eq)]
+pub enum BellAnimation {
+    // CSS animation.
+    Ease,
+    // CSS animation.
+    EaseOut,
+    // Penner animation.
+    EaseOutSine,
+    // Penner animation.
+    EaseOutQuad,
+    // Penner animation.
+    EaseOutCubic,
+    // Penner animation.
+    EaseOutQuart,
+    // Penner animation.
+    EaseOutQuint,
+    // Penner animation.
+    EaseOutExpo,
+    // Penner animation.
+    EaseOutCirc,
+    // Penner animation.
+    Linear,
+}
+
+impl Default for BellAnimation {
+    fn default() -> Self {
+        BellAnimation::EaseOutExpo
+    }
+}