Added text_color for native checkbox

Author: zdevwu

native/src/widget/checkbox.rs

@@ -8,7 +8,7 @@ use crate::row;
 use crate::text;
 use crate::touch;
 use crate::{
-    Align, Clipboard, Element, Hasher, HorizontalAlignment, Layout, Length,
+    Align, Clipboard, Color, Element, Hasher, HorizontalAlignment, Layout, Length,
     Point, Rectangle, Row, Text, VerticalAlignment, Widget,
 };
 
@@ -39,6 +39,7 @@ pub struct Checkbox<Message, Renderer: self::Renderer + text::Renderer> {
     spacing: u16,
     text_size: Option<u16>,
     font: Renderer::Font,
+    text_color: Option<Color>,
     style: Renderer::Style,
 }
 
@@ -66,6 +67,7 @@ impl<Message, Renderer: self::Renderer + text::Renderer>
             spacing: Renderer::DEFAULT_SPACING,
             text_size: None,
             font: Renderer::Font::default(),
+            text_color: None,
             style: Renderer::Style::default(),
         }
     }
@@ -102,6 +104,12 @@ impl<Message, Renderer: self::Renderer + text::Renderer>
         self
     }
 
+    /// Sets the text color of the [`Checkbox`] button.
+    pub fn text_color(mut self, color: Color) -> Self {
+        self.text_color = Some(color);
+        self
+    }
+
     /// Sets the style of the [`Checkbox`].
     pub fn style(mut self, style: impl Into<Renderer::Style>) -> Self {
         self.style = style.into();
@@ -193,7 +201,7 @@ where
             &self.label,
             self.text_size.unwrap_or(renderer.default_size()),
             self.font,
-            None,
+            self.text_color,
             HorizontalAlignment::Left,
             VerticalAlignment::Center,
         );