Add component trait and vsplit

src/calendar.rs

@@ -14,6 +14,8 @@ use embedded_graphics::{
 use embedded_layout::prelude::*;
 use num_traits::cast::FromPrimitive;
 
+use crate::Component;
+
 fn font(height: u32) -> MonoFont<'static> {
   if height < 8 {
     return FONT_4X6;
@@ -315,7 +317,30 @@ pub struct ScrollingCalendar<C> {
   pub size: Size,
   pub style: ComponentStyle<C>,
   pub day: chrono::NaiveDate,
-  pub weeks: u32,
+  pub prev_weeks: u32,
+  pub next_weeks: u32,
+}
+
+impl<C> ScrollingCalendar<C> {
+  pub fn new(style: ComponentStyle<C>, prev_weeks: u32, next_weeks: u32) -> Self {
+    Self {
+      top_left: Point::new(0, 0),
+      size: Size::new(0, 0),
+      style,
+      day: chrono::Local::now().naive_local().date(),
+      prev_weeks,
+      next_weeks,
+    }
+  }
+}
+
+impl<C> Component for ScrollingCalendar<C> {
+  fn set_size(&mut self, size: Size) {
+    self.size = size;
+  }
+  fn set_top_left(&mut self, top_left: Point) {
+    self.top_left = top_left;
+  }
 }
 
 impl<C> Drawable for ScrollingCalendar<C>
@@ -329,15 +354,16 @@ where
   where
     D: DrawTarget<Color = C>,
   {
-    let height = self.size.height / (1 + self.weeks * 2);
+    let total_weeks = self.prev_weeks + 1 + self.next_weeks;
+    let height = self.size.height / total_weeks;
     let mut week = ScrollingWeek::from_date(
       self
         .day
-        .checked_sub_signed(chrono::Duration::days(self.weeks as i64 * 7))
+        .checked_sub_signed(chrono::Duration::days(self.prev_weeks as i64 * 7))
         .unwrap(),
     );
 
-    for i in 0..(1 + self.weeks * 2) {
+    for i in 0..total_weeks {
       week = week.succ();
 
       let calendar_week = CalendarWeek {

src/frame.rs

@@ -0,0 +1,82 @@
+use embedded_graphics::{pixelcolor::BinaryColor, prelude::*};
+use embedded_layout::View;
+
+pub trait Component {
+  fn set_top_left(&mut self, top_left: Point);
+  fn set_size(&mut self, size: Size);
+}
+
+pub struct Frame {
+  //drawable: Component,
+  pub weight: f32,
+}
+
+pub struct VSplit<T, U> {
+  pub top_left: Point,
+  pub size: Size,
+  pub left: T,
+  pub right: U,
+  pub ratio: f32,
+}
+
+impl<T, U> VSplit<T, U> {
+  pub fn new(left: T, right: U) -> Self {
+    VSplit {
+      top_left: Point::new(0, 0),
+      size: Size::new(0, 0),
+      left,
+      right,
+      ratio: 0.5,
+    }
+  }
+}
+
+impl<C, T, U> Component for VSplit<T, U>
+where
+  C: PixelColor + From<BinaryColor>,
+  T: Drawable<Color = C>,
+  U: Drawable<Color = C>,
+{
+  fn set_top_left(&mut self, top_left: Point) {
+    self.top_left = top_left;
+  }
+  fn set_size(&mut self, size: Size) {
+    self.size = size;
+  }
+}
+
+impl<C, T, U> Drawable for VSplit<T, U>
+where
+  C: PixelColor + From<BinaryColor>,
+  T: Drawable<Color = C> + Component + Clone,
+  U: Drawable<Color = C> + Component + Clone,
+{
+  type Color = C;
+  type Output = ();
+
+  fn draw<D>(&self, target: &mut D) -> Result<Self::Output, D::Error>
+  where
+    D: DrawTarget<Color = C>,
+  {
+    let left_width = (self.size.width as f32 * self.ratio) as u32;
+    let mut left = self.left.clone();
+    left.set_top_left(self.top_left);
+    left.set_size(Size::new(self.size.height, left_width));
+
+    let mut right = self.right.clone();
+    right.set_top_left(Point::new(left_width as i32, 0));
+    right.set_size(Size::new(self.size.height, self.size.width - left_width));
+
+    left.draw(target)?;
+    right.draw(target)?;
+
+    Ok(())
+  }
+}
+
+pub struct HSplit<T> {
+  pub top_left: Point,
+  pub size: Size,
+  pub top: T,
+  pub bottom: T,
+}

src/lib.rs

@@ -1,11 +1,13 @@
 mod bullet_counter;
 mod calendar;
+mod frame;
 mod gauge;
 mod list_item;
 mod style;
 
 pub use bullet_counter::BulletCounter;
 pub use calendar::{Calendar, ScrollingCalendar};
+pub use frame::{Component, HSplit, VSplit};
 pub use gauge::Gauge;
 pub use list_item::{List, ListItem, ListItemData};
 pub use style::ComponentStyle;

src/list_item.rs

@@ -11,6 +11,8 @@ use embedded_graphics::{
 };
 use embedded_layout::prelude::*;
 
+use crate::Component;
+
 pub struct ListItemData {
   pub text: String,
   pub icon: String,
@@ -39,6 +41,15 @@ pub struct List<C> {
   pub list_items: Vec<ListItemData>,
 }
 
+impl<C> Component for List<C> {
+  fn set_size(&mut self, size: Size) {
+    self.size = size;
+  }
+  fn set_top_left(&mut self, top_left: Point) {
+    self.top_left = top_left;
+  }
+}
+
 impl<C> Drawable for List<C>
 where
   C: PixelColor + From<BinaryColor>,