seq

seq/src/page.rs

@@ -0,0 +1,22 @@
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
+pub enum Page {
+    #[default]
+    Main,
+    Audio,
+}
+
+impl Page {
+    pub fn left(&mut self) {
+        *self = match self {
+            Page::Main => Page::Audio,
+            Page::Audio => Page::Audio,
+        }
+    }
+
+    pub fn right(&mut self) {
+        *self = match self {
+            Page::Main => Page::Main,
+            Page::Audio => Page::Main,
+        }
+    }
+}