refactor: move views to views sub folder

src/views/main_menu.rs

@@ -0,0 +1,60 @@
+use core::future;
+
+use crate::display::primary_lcd::PrimaryLcdDisplay;
+
+use crate::views::{menu_item, settings_menu::SettingsMenu, view::View};
+
+use crate::navigation::navigation::{Action, Navigable};
+use embedded_graphics::pixelcolor::Rgb565;
+use embedded_graphics::prelude::RgbColor;
+use embedded_graphics_core::draw_target::DrawTarget;
+
+pub const MAX_SELECTED: i32 = 3;
+
+#[derive(Debug, Clone)]
+pub struct MainMenu {
+    pub selected: i32,
+}
+
+impl Navigable for MainMenu {
+    fn display(
+        &self,
+        display: &mut PrimaryLcdDisplay<'static>,
+    ) -> impl core::future::Future<Output = ()> + Send {
+        display.clear(Rgb565::BLACK).unwrap();
+
+        menu_item::show(display, "Last card", 0, self.selected);
+        menu_item::show(display, "Journal", 1, self.selected);
+        menu_item::show(display, "Settings", 2, self.selected);
+
+        core::future::ready(())
+    }
+
+    fn handle_input(&self, input: Action) -> impl core::future::Future<Output = View> + Send {
+        let new_menu = match input {
+            Action::Up => {
+                let new_selected = if (self.selected - 1) < 0 {
+                    MAX_SELECTED - 1
+                } else {
+                    self.selected - 1
+                };
+                View::Main(MainMenu {
+                    selected: new_selected,
+                })
+            }
+            Action::Down => {
+                let new_selected = self.selected.wrapping_add(1) % MAX_SELECTED;
+                View::Main(MainMenu {
+                    selected: new_selected,
+                })
+            }
+            Action::Ok => match self.selected {
+                2 => View::Settings(SettingsMenu { selected: 0 }),
+                _ => View::Main(self.clone()),
+            },
+            _ => View::Main(self.clone()),
+        };
+
+        future::ready(new_menu)
+    }
+}