Add configurable crosshairs to Alacritty.

This allows the user to put semitransparent rectangles around the
current cursor line and column, á la Vim's cursor line/column, but
for the whole terminal.

1 files changed, 20 insertions, 2 deletions

diff --git a/alacritty_terminal/src/config/mod.rs b/alacritty_terminal/src/config/mod.rs
index 382314bd..3d7f73a3 100644
--- a/alacritty_terminal/src/config/mod.rs
+++ b/alacritty_terminal/src/config/mod.rs
@@ -5,6 +5,7 @@ use std::path::PathBuf;
 use serde::Deserialize;
 
 use alacritty_config_derive::ConfigDeserialize;
+use crate::term::color::{Rgb};
 
 mod scrolling;
 
@@ -66,12 +67,29 @@ pub struct Cursor {
     pub style: ConfigCursorStyle,
     pub vi_mode_style: Option<ConfigCursorStyle>,
     pub unfocused_hollow: bool,
-    pub cursor_crosshairs: bool,
+    pub cursor_crosshairs: CursorCrosshairs,
 
     thickness: Percentage,
     blink_interval: u64,
 }
 
+#[derive(ConfigDeserialize, Copy, Clone, Debug, PartialEq)]
+pub struct CursorCrosshairs {
+    pub enable: bool,
+    pub color: Rgb,
+    pub opacity: Percentage,
+}
+
+impl Default for CursorCrosshairs {
+    fn default() -> Self {
+        Self {
+            enable: false,
+            color: Rgb { r: 0x80, g: 0x80, b: 0x80 },
+            opacity: Percentage::new(0.1),
+        }
+    }
+}
+
 impl Default for Cursor {
     fn default() -> Self {
         Self {
@@ -80,7 +98,7 @@ impl Default for Cursor {
             blink_interval: 750,
             style: Default::default(),
             vi_mode_style: Default::default(),
-            cursor_crosshairs: false,
+            cursor_crosshairs: Default::default(),
         }
     }
 }