Add Button::from_label

CHANGELOG.md

@@ -35,6 +35,7 @@ You can find its changes [documented below](#060---2020-06-01).
 - Implementation of `Data` trait for `i128` and `u128` primitive data types. ([#1214] by [@koutoftimer])
 - `LineBreaking` enum allows configuration of label line-breaking ([#1195] by [@cmyr])
 - `TextAlignment` support in `TextLayout` and `Label` ([#1210] by [@cmyr])`
+- `Button::from_label` to construct a `Button` with a provided `Label`. ([#1226] by [@ForLoveOfCats])
 
 ### Changed
 
@@ -447,6 +448,7 @@ Last release without a changelog :(
 [#1205]: https://github.com/linebender/druid/pull/1205
 [#1210]: https://github.com/linebender/druid/pull/1210
 [#1214]: https://github.com/linebender/druid/pull/1214
+[#1226]: https://github.com/linebender/druid/pull/1226
 
 [Unreleased]: https://github.com/linebender/druid/compare/v0.6.0...master
 [0.6.0]: https://github.com/linebender/druid/compare/v0.5.0...v0.6.0

druid/src/widget/button.rs

@@ -33,7 +33,7 @@ pub struct Button<T> {
 impl<T: Data> Button<T> {
     /// Create a new button with a text label.
     ///
-    /// Use the `.on_click` method to provide a closure to be called when the
+    /// Use the [`.on_click`] method to provide a closure to be called when the
     /// button is clicked.
     ///
     /// # Examples
@@ -45,9 +45,33 @@ impl<T: Data> Button<T> {
     ///     *data += 1;
     /// });
     /// ```
+    ///
+    /// [`.on_click`]: #method.on_click
     pub fn new(text: impl Into<LabelText<T>>) -> Button<T> {
+        Button::from_label(Label::new(text))
+    }
+
+    /// Create a new button with the provided [`Label`].
+    ///
+    /// Use the [`.on_click`] method to provide a closure to be called when the
+    /// button is clicked.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use druid::Color;
+    /// use druid::widget::{Button, Label};
+    ///
+    /// let button = Button::from_label(Label::new("Increment").with_text_color(Color::grey(0.5))).on_click(|_ctx, data: &mut u32, _env| {
+    ///     *data += 1;
+    /// });
+    /// ```
+    ///
+    /// [`Label`]: struct.Label.html
+    /// [`.on_click`]: #method.on_click
+    pub fn from_label(label: Label<T>) -> Button<T> {
         Button {
-            label: Label::new(text),
+            label,
             label_size: Size::ZERO,
         }
     }