[Feature] Multidirectional scrolling

core/src/point.rs

@@ -75,3 +75,11 @@ impl std::ops::Sub<Point> for Point {
         Vector::new(self.x - point.x, self.y - point.y)
     }
 }
+
+impl std::ops::Add<Point> for Point {
+    type Output = Point;
+
+    fn add(self, point: Point) -> Point {
+        Point::new(self.x + point.x, self.y + point.y)
+    }
+}

core/src/rectangle.rs

@@ -111,6 +111,12 @@ impl Rectangle<f32> {
     }
 }
 
+impl std::cmp::PartialOrd for Rectangle<f32> {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        (self.width * self.height).partial_cmp(&(other.width * other.height))
+    }
+}
+
 impl std::ops::Mul<f32> for Rectangle<f32> {
     type Output = Self;
 

core/src/size.rs

@@ -1,5 +1,4 @@
 use crate::{Padding, Vector};
-use std::f32;
 
 /// An amount of space in 2 dimensions.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]

examples/README.md

@@ -99,7 +99,7 @@ A bunch of simpler examples exist:
 - [`pick_list`](pick_list), a dropdown list of selectable options.
 - [`pokedex`](pokedex), an application that displays a random Pokédex entry (sprite included!) by using the [PokéAPI].
 - [`progress_bar`](progress_bar), a simple progress bar that can be filled by using a slider.
-- [`scrollable`](scrollable), a showcase of the various scrollbar width options.
+- [`scrollable`](scrollable), a showcase of various scrollable content configurations.
 - [`sierpinski_triangle`](sierpinski_triangle), a [sierpiński triangle](https://en.wikipedia.org/wiki/Sierpi%C5%84ski_triangle) Emulator, use `Canvas` and `Slider`.
 - [`solar_system`](solar_system), an animated solar system drawn using the `Canvas` widget and showcasing how to compose different transforms.
 - [`stopwatch`](stopwatch), a watch with start/stop and reset buttons showcasing how to listen to time.

examples/scrollable/Cargo.toml

@@ -7,3 +7,4 @@ publish = false
 
 [dependencies]
 iced = { path = "../..", features = ["debug"] }
+once_cell = "1.16.0"