Make Color optional instead of Default

examples/ggez/renderer/text.rs

@@ -72,7 +72,7 @@ impl text::Renderer<Color> for Renderer<'_> {
         bounds: iced::Rectangle<f32>,
         content: &str,
         size: f32,
-        color: Color,
+        color: Option<Color>,
         horizontal_alignment: text::HorizontalAlignment,
         _vertical_alignment: text::VerticalAlignment,
     ) {
@@ -101,7 +101,7 @@ impl text::Renderer<Color> for Renderer<'_> {
                 x: bounds.x,
                 y: bounds.y,
             },
-            Some(color),
+            color,
         );
     }
 }

src/widget/checkbox.rs

@@ -47,7 +47,7 @@ pub struct Checkbox<Color, Message> {
     is_checked: bool,
     on_toggle: Box<dyn Fn(bool) -> Message>,
     label: String,
-    label_color: Color,
+    label_color: Option<Color>,
 }
 
 impl<Color, Message> std::fmt::Debug for Checkbox<Color, Message>
@@ -63,10 +63,7 @@ where
     }
 }
 
-impl<Color, Message> Checkbox<Color, Message>
-where
-    Color: Default,
-{
+impl<Color, Message> Checkbox<Color, Message> {
     /// Creates a new [`Checkbox`].
     ///
     /// It expects:
@@ -85,7 +82,7 @@ where
             is_checked,
             on_toggle: Box::new(f),
             label: String::from(label),
-            label_color: Color::default(),
+            label_color: None,
         }
     }
 
@@ -94,7 +91,7 @@ where
     /// [`Color`]: ../../../../graphics/struct.Color.html
     /// [`Checkbox`]: struct.Checkbox.html
     pub fn label_color(mut self, color: Color) -> Self {
-        self.label_color = color;
+        self.label_color = Some(color);
         self
     }
 }

src/widget/radio.rs

@@ -54,7 +54,7 @@ pub struct Radio<Color, Message> {
     is_selected: bool,
     on_click: Message,
     label: String,
-    label_color: Color,
+    label_color: Option<Color>,
 }
 
 impl<Color, Message> std::fmt::Debug for Radio<Color, Message>
@@ -72,10 +72,7 @@ where
     }
 }
 
-impl<Color, Message> Radio<Color, Message>
-where
-    Color: Default,
-{
+impl<Color, Message> Radio<Color, Message> {
     /// Creates a new [`Radio`] button.
     ///
     /// It expects:
@@ -95,7 +92,7 @@ where
             is_selected: Some(value) == selected,
             on_click: f(value),
             label: String::from(label),
-            label_color: Color::default(),
+            label_color: None,
         }
     }
 
@@ -104,7 +101,7 @@ where
     /// [`Color`]: ../../../../graphics/struct.Color.html
     /// [`Radio`]: struct.Radio.html
     pub fn label_color(mut self, color: Color) -> Self {
-        self.label_color = color;
+        self.label_color = Some(color);
         self
     }
 }

src/widget/text.rs

@@ -27,16 +27,13 @@ use std::hash::Hash;
 pub struct Text<Color> {
     content: String,
     size: u16,
-    color: Color,
+    color: Option<Color>,
     style: Style,
     horizontal_alignment: HorizontalAlignment,
     vertical_alignment: VerticalAlignment,
 }
 
-impl<Color> Text<Color>
-where
-    Color: Default,
-{
+impl<Color> Text<Color> {
     /// Create a new fragment of [`Text`] with the given contents.
     ///
     /// [`Text`]: struct.Text.html
@@ -44,7 +41,7 @@ where
         Text {
             content: String::from(label),
             size: 20,
-            color: Color::default(),
+            color: None,
             style: Style::default().fill_width(),
             horizontal_alignment: HorizontalAlignment::Left,
             vertical_alignment: VerticalAlignment::Top,
@@ -64,7 +61,7 @@ where
     /// [`Text`]: struct.Text.html
     /// [`Color`]: ../../../graphics/struct.Color.html
     pub fn color(mut self, color: Color) -> Self {
-        self.color = color;
+        self.color = Some(color);
         self
     }
 
@@ -180,7 +177,7 @@ pub trait Renderer<Color> {
         bounds: Rectangle<f32>,
         content: &str,
         size: f32,
-        color: Color,
+        color: Option<Color>,
         horizontal_alignment: HorizontalAlignment,
         vertical_alignment: VerticalAlignment,
     );