add language bar (#585)

* add language bar

* fix text-colors

* fix text-colors

* fix naming

* address pr review comments

* Collect language bar to `String`

Collects the language bar to a string to reduce String mutations.

Co-authored-by: Spenser Black <spenserblack01@gmail.com>

src/info/mod.rs

@@ -305,29 +305,59 @@ impl Info {
 
     fn get_language_field(&self, title: &str) -> String {
         let mut language_field = String::from("");
-
+        let language_bar_length = 26;
         let pad = title.len() + 2;
-
-        let languages: Vec<(String, f64)> = {
-            let mut iter = self.languages.iter().map(|x| (format!("{}", x.0), x.1));
+        let color_palette = vec![
+            Color::Red,
+            Color::Green,
+            Color::Yellow,
+            Color::Blue,
+            Color::Magenta,
+            Color::Cyan,
+        ];
+
+        let languages: Vec<(String, f64, Color)> = {
+            let mut iter = self.languages.iter().enumerate().map(|(i, x)| {
+                let color = if self.config.true_color {
+                    x.0.get_colors(true)[0]
+                } else {
+                    color_palette[i % color_palette.len()]
+                };
+                (format!("{}", x.0), x.1, color)
+            });
             if self.languages.len() > 6 {
                 let mut languages = iter.by_ref().take(6).collect::<Vec<_>>();
                 let other_sum = iter.fold(0.0, |acc, x| acc + x.1);
-                languages.push(("Other".to_owned(), other_sum));
+                languages.push(("Other".to_owned(), other_sum, Color::White));
                 languages
             } else {
                 iter.collect()
             }
         };
 
-        for (cnt, language) in languages.iter().enumerate() {
+        let language_bar: String = languages
+            .iter()
+            .map(|x| {
+                let bar_width = std::cmp::max(
+                    (x.1 / 100. * language_bar_length as f64).round() as usize,
+                    1,
+                );
+                format!("{:<width$}", "".on_color(x.2), width = bar_width)
+            })
+            .collect();
+
+        language_field.push_str(&language_bar);
+
+        for (i, language) in languages.iter().enumerate() {
             let formatted_number = format!("{:.*}", 1, language.1);
-            let language_str =
-                format!("{} ({} %) ", language.0, formatted_number).color(self.text_colors.info);
-            if cnt != 0 && cnt % 2 == 0 {
+            let language_with_perc =
+                format!("{} ({} %)", language.0, formatted_number).color(self.text_colors.info);
+            let language_chip = "\u{25CF}".color(language.2);
+            let language_str = format!("{} {} ", language_chip, language_with_perc);
+            if i % 2 == 0 {
                 language_field.push_str(&format!("\n{:<width$}{}", "", language_str, width = pad));
             } else {
-                language_field.push_str(&format!("{}", language_str));
+                language_field.push_str(&language_str.to_string());
             }
         }
         language_field