feat(bar): add label prefix config opt

This commit makes the label prefix configurable. Users can select if
they want to show an icon, only text, or both text and an icon.

komorebi-bar/src/memory.rs

@@ -1,3 +1,4 @@
+use crate::config::LabelPrefix;
 use crate::widget::BarWidget;
 use crate::WIDGET_SPACING;
 use eframe::egui::text::LayoutJob;
@@ -23,6 +24,8 @@ pub struct MemoryConfig {
     pub enable: bool,
     /// Data refresh interval (default: 10 seconds)
     pub data_refresh_interval: Option<u64>,
+    /// Display label prefix
+    pub label_prefix: Option<LabelPrefix>,
 }
 
 impl From<MemoryConfig> for Memory {
@@ -36,6 +39,7 @@ impl From<MemoryConfig> for Memory {
             enable: value.enable,
             system,
             data_refresh_interval: value.data_refresh_interval.unwrap_or(10),
+            label_prefix: value.label_prefix.unwrap_or(LabelPrefix::IconAndText),
             last_updated: Instant::now(),
         }
     }
@@ -45,6 +49,7 @@ pub struct Memory {
     pub enable: bool,
     system: System,
     data_refresh_interval: u64,
+    label_prefix: LabelPrefix,
     last_updated: Instant,
 }
 
@@ -58,7 +63,12 @@ impl Memory {
 
         let used = self.system.used_memory();
         let total = self.system.total_memory();
-        format!("RAM: {}%", (used * 100) / total)
+        match self.label_prefix {
+            LabelPrefix::Text | LabelPrefix::IconAndText => {
+                format!("RAM: {}%", (used * 100) / total)
+            }
+            LabelPrefix::None | LabelPrefix::Icon => format!("{}%", (used * 100) / total),
+        }
     }
 }
 
@@ -75,7 +85,12 @@ impl BarWidget for Memory {
                     .unwrap_or_else(FontId::default);
 
                 let mut layout_job = LayoutJob::simple(
-                    egui_phosphor::regular::MEMORY.to_string(),
+                    match self.label_prefix {
+                        LabelPrefix::Icon | LabelPrefix::IconAndText => {
+                            egui_phosphor::regular::MEMORY.to_string()
+                        }
+                        LabelPrefix::None | LabelPrefix::Text => String::new(),
+                    },
                     font_id.clone(),
                     ctx.style().visuals.selection.stroke.color,
                     100.0,