Initial commit

src/widgets/date.rs

@@ -0,0 +1,72 @@
+use std::default::Default;
+
+use crate::{
+    buffer::BufferView,
+    color::Color,
+    fonts::FontMap,
+    widgets::{Geometry, Widget},
+};
+
+use chrono::{Datelike, Local};
+
+const DATE_FONT: &str = "sans";
+const DATE_SIZE: f32 = 40.;
+
+pub struct Date {
+    dirty: bool,
+    geometry: Geometry,
+}
+
+impl Date {
+    pub fn new() -> Date {
+        Date {
+            dirty: true,
+            geometry: Default::default(),
+        }
+    }
+}
+
+impl<'a> Widget for Date {
+    fn set_dirty(&mut self, dirty: bool) {
+        self.dirty = dirty;
+    }
+    fn get_dirty(&self) -> bool {
+        self.dirty
+    }
+
+    fn geometry(&self) -> Geometry {
+        self.geometry
+    }
+
+    fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry {
+        let time = Local::now().naive_local();
+        let fg = Color::new(1., 1., 1., 1.);
+        let bg = Color::new(0., 0., 0., 1.);
+        let mut date_line = view.offset((0, 8)).unwrap();
+        let font = fonts.get_font(DATE_FONT, DATE_SIZE);
+        font.auto_draw_text(
+            &mut date_line,
+            &bg,
+            &fg,
+            &format!(
+                "{}, {:02}/{:02}/{:4}",
+                time.weekday(),
+                time.day(),
+                time.month(),
+                time.year()
+            ),
+        )
+        .unwrap();
+        self.geometry
+    }
+
+    fn geometry_update(&mut self, _fonts: &mut FontMap, geometry: &Geometry) -> Geometry {
+        self.geometry = Geometry {
+            x: geometry.x,
+            y: geometry.y,
+            width: 256,
+            height: DATE_SIZE.ceil() as u32,
+        };
+        self.geometry
+    }
+}