Implement Widget::draw for TextInput

native/src/renderer/text.rs

@@ -1,10 +1,48 @@
 use crate::alignment;
-use crate::{Color, Rectangle, Renderer};
+use crate::{Color, Point, Rectangle, Renderer, Size};
+
+pub use crate::text::Hit;
 
 pub trait Text: Renderer {
     /// The font type used.
     type Font: Default + Copy;
 
+    /// Returns the default size of [`Text`].
+    fn default_size(&self) -> u16;
+
+    /// Measures the text in the given bounds and returns the minimum boundaries
+    /// that can fit the contents.
+    fn measure(
+        &self,
+        content: &str,
+        size: u16,
+        font: Self::Font,
+        bounds: Size,
+    ) -> (f32, f32);
+
+    fn measure_width(&self, content: &str, size: u16, font: Self::Font) -> f32 {
+        let (width, _) = self.measure(content, size, font, Size::INFINITY);
+
+        width
+    }
+
+    /// Tests whether the provided point is within the boundaries of [`Text`]
+    /// laid out with the given parameters, returning information about
+    /// the nearest character.
+    ///
+    /// If `nearest_only` is true, the hit test does not consider whether the
+    /// the point is interior to any glyph bounds, returning only the character
+    /// with the nearest centeroid.
+    fn hit_test(
+        &self,
+        contents: &str,
+        size: f32,
+        font: Self::Font,
+        bounds: Size,
+        point: Point,
+        nearest_only: bool,
+    ) -> Option<Hit>;
+
     fn fill_text(&mut self, section: Section<'_, Self::Font>);
 }