Add font_selector_corner_radius configuration support to layout and FontSelector widget

 src/layout.rs                     | 38 ++++++++++++++++++++++++++++++++++++++
 src/widget/input/font_selector.rs | 13 +++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/src/layout.rs b/src/layout.rs
index f012f02..d03e17b 100644
--- a/src/layout.rs
+++ b/src/layout.rs
@@ -56,6 +56,7 @@ static LABEL_MARGIN: RwLock<f32> = RwLock::new(6.0);
 static BUTTON_CORNER_RADIUS: RwLock<f32> = RwLock::new(4.0);
 static SPINBOX_CORNER_RADIUS: RwLock<f32> = RwLock::new(4.0);
 static TEXTBOX_CORNER_RADIUS: RwLock<f32> = RwLock::new(4.0);
+static FONT_SELECTOR_CORNER_RADIUS: RwLock<f32> = RwLock::new(4.0);
 
 /// Standard line height multiplier for text layout in cce-ui.
 pub const TEXT_LINE_HEIGHT_MULTIPLIER: f32 = 1.4;
@@ -171,6 +172,15 @@ pub fn reload_config() {
                     }
                 }
             }
+            if let Some(rest) = trimmed.strip_prefix("font_selector_corner_radius") {
+                let rest = rest.trim_start_matches(|c: char| c == ' ' || c == '=' || c == '"');
+                let val_str = rest.trim_end_matches('"').trim();
+                if let Ok(val) = val_str.parse::<f32>() {
+                    if let Ok(mut lock) = FONT_SELECTOR_CORNER_RADIUS.write() {
+                        *lock = val;
+                    }
+                }
+            }
             if let Some(rest) = trimmed.strip_prefix("toggle_height") {
                 let rest = rest.trim_start_matches(|c: char| c == ' ' || c == '=' || c == '"');
                 let val_str = rest.trim_end_matches('"').trim();
@@ -1010,6 +1020,34 @@ pub fn set_textbox_corner_radius(radius: f32) {
     }
 }
 
+pub fn font_selector_corner_radius() -> f32 {
+    use std::sync::Once;
+    static INIT: Once = Once::new();
+    INIT.call_once(|| {
+        if let Some(content) = read_config() {
+            for line in content.lines() {
+                let trimmed = line.trim();
+                if let Some(rest) = trimmed.strip_prefix("font_selector_corner_radius") {
+                    let rest = rest.trim_start_matches(|c: char| c == ' ' || c == '=' || c == '"');
+                    let val_str = rest.trim_end_matches('"').trim();
+                    if let Ok(val) = val_str.parse::<f32>() {
+                        if let Ok(mut lock) = FONT_SELECTOR_CORNER_RADIUS.write() {
+                            *lock = val;
+                        }
+                    }
+                }
+            }
+        }
+    });
+    *FONT_SELECTOR_CORNER_RADIUS.read().unwrap()
+}
+
+pub fn set_font_selector_corner_radius(radius: f32) {
+    if let Ok(mut lock) = FONT_SELECTOR_CORNER_RADIUS.write() {
+        *lock = radius;
+    }
+}
+
 pub fn color_selector_preview_margin() -> f32 {
     use std::sync::Once;
     static INIT: Once = Once::new();
diff --git a/src/widget/input/font_selector.rs b/src/widget/input/font_selector.rs
index 765ca2d..6f12848 100644
--- a/src/widget/input/font_selector.rs
+++ b/src/widget/input/font_selector.rs
@@ -129,6 +129,19 @@ impl Element for FontSelector {
 
         labels
     }
+
+    fn rounded_corners(&self) -> (bool, bool, bool, bool) {
+        let r = crate::layout::font_selector_corner_radius();
+        if r > 0.0 {
+            (true, true, true, true)
+        } else {
+            (false, false, false, false)
+        }
+    }
+
+    fn corner_radius(&self) -> f32 {
+        crate::layout::font_selector_corner_radius()
+    }
 }
 
 impl Drop for FontSelector {