fonts and glowup

src/music.rs

@@ -18,6 +18,7 @@ use iced::widget::canvas::Stroke;
 use iced::widget::canvas::Style;
 use iced::{Color, Rectangle, Renderer, Theme};
 use std::f32::consts::PI;
+use std::mem::swap;
 use std::time::Duration;
 #[derive(Serialize, Deserialize)]
 pub struct Music {
@@ -156,6 +157,21 @@ impl Music {
     pub fn remove_polygon(&mut self, delta: f32, i: usize) {
         self.find_poly_frame(delta).polygons.remove(i);
     }
+
+    pub fn slide_to_left(&mut self, delta: f32) {
+        let i = self.find_index_frame(delta);
+        if i > 0 {
+            let (left, right) = self.poly_frame.split_at_mut(i);
+            swap(&mut left[i - 1].1, &mut right[0].1);
+        }
+    }
+    pub fn slide_to_right(&mut self, delta: f32) {
+        let i = self.find_index_frame(delta);
+        if i < self.poly_frame.len() - 1 {
+            let (left, right) = self.poly_frame.split_at_mut(i + 1);
+            swap(&mut left[i].1, &mut right[0].1);
+        }
+    }
 }
 impl canvas::Program<Message> for Music {
     // No internal state
@@ -171,7 +187,7 @@ impl canvas::Program<Message> for Music {
     ) -> Vec<canvas::Geometry> {
         let mut geo_small_frame: Vec<Geometry> = vec![];
         let mut geo_cursor: Vec<Geometry> = vec![];
-        let mut frame = canvas::Frame::new(renderer, bounds.size());
+        let frame = canvas::Frame::new(renderer, bounds.size());
         let mut toggle_color = true;
         let padding = 8.;
         let w = bounds.width - (padding * 2.);