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authorLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2021-10-20 18:40:39 +0700
committerLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2021-10-20 18:40:39 +0700
commite914888f57394e4b67b40e42f1ad9df4ae8147e6 (patch)
tree8aa199ea229941e7861e63b0b6bd7994dbca3ede /native/src/renderer/text.rs
parent954d6349a8cd5505d99403285ce9617c65a63a2b (diff)
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Implement `Widget::draw` for `TextInput`
Diffstat (limited to 'native/src/renderer/text.rs')
-rw-r--r--native/src/renderer/text.rs40
1 files changed, 39 insertions, 1 deletions
diff --git a/native/src/renderer/text.rs b/native/src/renderer/text.rs
index 9234c587..80769b62 100644
--- a/native/src/renderer/text.rs
+++ b/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>);
}