Added capslock functionality

Added keyboard layout func

src/config.rs

@@ -85,6 +85,9 @@ pub struct Config {
     #[arg(long, action = clap::ArgAction::Set, num_args = 0..=1, default_value = "true", default_missing_value = "true")]
     pub show_album_art: bool,
 
+    #[arg(long, action = clap::ArgAction::Set, num_args = 0..=1, default_value = "false", default_missing_value = "true")]
+    pub show_keyboard_layout: bool,
+
     #[arg(long)]
     pub image: Option<PathBuf>,
 

src/input.rs

@@ -102,6 +102,11 @@ impl InputHandler {
     /// Update timers (should be called periodically)
     pub fn update(&mut self) {
     }
+
+    /// Get the current Caps Lock state
+    pub fn caps_lock(&self) -> bool {
+        self.caps_lock
+    }
 }
 
 /// Actions that can result from keyboard input

src/lock.rs

@@ -107,6 +107,10 @@ impl LockedSurface {
             self.key_highlight_shown = false;
         }
 
+        // Update caps lock state in renderer
+        self.renderer.caps_lock = self.input_handler.caps_lock();
+        log::debug!("Caps lock state: {}", self.input_handler.caps_lock());
+
         // Set background if available and not already applied
         if !self.background_applied {
             if let Some(ref background) = self.background {

src/main.rs

@@ -5,7 +5,6 @@ mod lock;
 mod render;
 mod screenshot;
 mod system;
-mod timer;
 mod util;
 
 use config::Config;

src/render.rs

@@ -21,7 +21,7 @@ pub struct Renderer {
     password_display: String,
     uptime_cache: String,
     last_uptime_update: Option<Instant>,
-    caps_lock: bool,
+    pub caps_lock: bool,
     pub system_status: SystemStatus,
     media_art_surface: Option<ImageSurface>,
     last_art_url: Option<String>,
@@ -230,6 +230,10 @@ impl Renderer {
             self.draw_bluetooth();
         }
 
+        if self.config.show_keyboard_layout {
+            self.draw_keyboard_layout();
+        }
+
         if !self.password_display.is_empty() {
             self.draw_password_display();
         }
@@ -703,6 +707,21 @@ impl Renderer {
         }
     }
 
+    fn draw_keyboard_layout(&self) {
+        if let Some(layout) = self.system_status.keyboard_layout {
+            let margin = 20.0;
+            let x = margin;
+            let y = margin + 80.0;
+
+            self.context.new_path();
+            self.context.set_source_rgba(1.0, 1.0, 1.0, self.fade_alpha);
+            self.context.set_font_size(16.0);
+            let text = format!("Layout: {}", layout);
+            self.context.move_to(x, y);
+            self.context.show_text(&text).unwrap();
+        }
+    }
+
     fn draw_icon_at(&self, x: f64, y: f64, surface: &ImageSurface) {
         self.context.save().unwrap();
         let target_size = 24.0;