Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "crock"
-version = "0.2.0"
+version = "0.2.1-alpha.1"
 edition = "2021"
 publish = true
 authors = ["Christoph J. Scherr <software@cscherr.de>"]

src/clock.rs

@@ -11,38 +11,16 @@ use ratatui::backend::CrosstermBackend;
 use ratatui::crossterm::event::{self, poll, Event, KeyCode, KeyModifiers};
 use ratatui::layout::{Alignment, Constraint, Direction, Layout, Rect};
 use ratatui::style::{Style, Stylize};
-use ratatui::widgets::{Block, LineGauge, Padding, Paragraph};
+use ratatui::widgets::{Block, Padding, Paragraph};
 use ratatui::Terminal;
+use std::collections::HashMap;
 use std::io::{Cursor, Stdout, Write};
-use std::time::{Duration, Instant};
+use std::time::Instant;
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub mod timebar;
-pub enum TimeBarLength {
+pub mod ui;
-    Minute,
+use timebar::TimeBarLength;
-    Hour,
+use ui::Data;
-    Custom(i128),
-    /// implementing a bar that would grow smaller would be weird, so it's a count up instead of
-    /// a countdown
-    Countup(i128),
-    Day,
-}
-
-impl TimeBarLength {
-    pub(crate) const fn as_secs(self) -> i128 {
-        match self {
-            Self::Minute => 60,
-            Self::Day => 24 * 60 * 60,
-            Self::Hour => 60 * 60,
-            Self::Custom(secs) | Self::Countup(secs) => secs,
-        }
-    }
-}
-
-impl Default for TimeBarLength {
-    fn default() -> Self {
-        Self::Minute
-    }
-}
 
 /// Make your terminal into a big clock
 #[derive(Parser, Debug, Clone)]
@@ -89,56 +67,6 @@ pub struct Clock {
     pub(crate) did_notify: bool,
 }
 
-#[derive(Debug, Clone, PartialEq, Default)]
-pub struct UiData {
-    fdate: [String; 2],
-    ftime: [String; 2],
-    timebar_ratio: [Option<f64>; 2],
-
-    data_idx: usize,
-}
-
-impl UiData {
-    pub fn update(&mut self, fdate: String, ftime: String, timebar_ratio: Option<f64>) {
-        self.data_idx ^= 1;
-        self.fdate[self.data_idx] = fdate;
-        self.ftime[self.data_idx] = ftime;
-        self.timebar_ratio[self.data_idx] = timebar_ratio;
-        #[cfg(debug_assertions)]
-        if self.changed() {
-            trace!("update with change: {:#?}", self);
-        }
-    }
-
-    /// did the data change with the last update?
-    #[must_use]
-    #[inline]
-    pub fn changed(&self) -> bool {
-        //  the timebar ratio is discarded, so that we only render the ui when the time
-        //  (second) changes
-        self.fdate[0] != self.fdate[1] || self.ftime[0] != self.ftime[1]
-    }
-
-    #[must_use]
-    #[inline]
-    pub fn fdate(&self) -> &str {
-        &self.fdate[self.data_idx]
-    }
-
-    #[must_use]
-    #[inline]
-    pub fn ftime(&self) -> &str {
-        &self.ftime[self.data_idx]
-    }
-
-    #[must_use]
-    #[inline]
-    #[allow(clippy::missing_const_for_fn)] // no it's not const
-    pub fn timebar_ratio(&self) -> Option<f64> {
-        self.timebar_ratio[self.data_idx]
-    }
-}
-
 impl Clock {
     #[must_use]
     #[allow(clippy::missing_const_for_fn)]
@@ -150,13 +78,11 @@ impl Clock {
         } else if self.hour {
             Some(TimeBarLength::Hour)
         } else if self.countdown.is_some() {
-            Some(TimeBarLength::Countup(i128::from(
+            Some(TimeBarLength::Countup(
-                self.countdown.unwrap().as_secs(),
+                self.countdown.unwrap().as_secs() as i64
-            )))
+            ))
         } else if self.custom.is_some() {
-            Some(TimeBarLength::Custom(i128::from(
+            Some(TimeBarLength::Custom(self.custom.unwrap().as_secs() as i64))
-                self.custom.unwrap().as_secs(),
-            )))
         } else {
             None
         }
@@ -185,7 +111,7 @@ impl Clock {
                 }
                 TimeBarLength::Custom(_) => {
                     if since_last_reset.num_seconds() >= 1
-                        && i128::from(since_last_reset.num_seconds()) >= len.as_secs()
+                        && since_last_reset.num_seconds() >= len.as_secs()
                     {
                         self.last_reset = Some(Local::now());
                     }
@@ -262,9 +188,9 @@ impl Clock {
         mut self,
         terminal: &mut Terminal<CrosstermBackend<Stdout>>,
     ) -> anyhow::Result<()> {
-        let tick_rate = Duration::from_millis(100);
+        let tick_rate = std::time::Duration::from_millis(100);
         let mut last_tick = Instant::now();
-        let mut uidata: UiData = UiData::default();
+        let mut uidata: Data = Data::default();
         self.setup()?;
         loop {
             let raw_time = chrono::Local::now().round_subsecs(0);
@@ -291,10 +217,12 @@ impl Clock {
             // 01:30 is 50%, 01:59 is 98%, 01:60 does not exist because that's how counting from
             // 0 works.
 
+            let now = raw_time + chrono::Duration::seconds(1);
             uidata.update(
+                now,
                 splits[0].clone(),
                 splits[1].clone(),
-                self.timebar_ratio(raw_time + chrono::Duration::seconds(1)),
+                self.timebar_ratio(now),
             );
             if uidata.changed() {
                 self.ui(terminal, &uidata)?;
@@ -323,7 +251,7 @@ impl Clock {
     fn ui(
         &mut self,
         terminal: &mut Terminal<CrosstermBackend<Stdout>>,
-        data: &UiData,
+        data: &Data,
     ) -> anyhow::Result<()> {
         terminal.draw(|frame| {
             debug!("rendering the ui");
@@ -339,12 +267,12 @@ impl Clock {
                 .title_bottom(env!("CARGO_PKG_VERSION"))
                 .title_alignment(Alignment::Center)
                 .title_style(Style::new().bold());
-            let a = space.inner(root);
+            let inner_rect = space.inner(root);
             frame.render_widget(space, root);
-            let parts = Self::partition(a);
+            let parts = Self::partition(inner_rect);
 
             let mut clockw = tui_big_text::BigText::builder();
-            if a.width > 80 {
+            if inner_rect.width > 80 {
                 clockw.pixel_size(tui_big_text::PixelSize::Full);
             } else {
                 clockw.pixel_size(tui_big_text::PixelSize::Quadrant);
@@ -360,58 +288,24 @@ impl Clock {
             // render the timebar which counts up to the full minute and so on
             //
             // Will not be rendered if it is None
-            let timebarw: Option<LineGauge> = if self.timebar_len().is_some() {
+            let timebarw_padding = [
-                debug!("time bar ration: {:?}", data.timebar_ratio());
+                (f32::from(parts["timebarw"].width) * 0.43) as u16,
-                let ratio = data.timebar_ratio().unwrap();
+                (f32::from(parts["timebarw"].width) * 0.25) as u16,
-
+            ];
-                if !self.did_notify && (ratio - 1.0).abs() < 0.000_001 {
+            let timebarw = ui::timebarw(self, data, &timebarw_padding, inner_rect);
-                    if let Some(TimeBarLength::Countup(_)) = self.timebar_len() {
+            let timebarw_label: Option<Paragraph> =
-                        let _ = self.notify().inspect_err(|e| {
+                ui::timebarw_label(self, data, &timebarw_padding, inner_rect);
-                            error!("could not notify: {e}");
-                            debug!("complete error: {e:#?}");
-                        });
-                        self.did_notify = true;
-                    }
-                }
-
-                #[allow(clippy::cast_sign_loss)]
-                #[allow(clippy::cast_possible_truncation)]
-                let padding = [
-                    (f32::from(parts[2].width) * 0.43) as u16,
-                    (f32::from(parts[2].width) * 0.25) as u16,
-                ];
-                let timebarw = LineGauge::default()
-                    .filled_style(if self.did_notify {
-                        Style::default()
-                            .slow_blink()
-                            .bold()
-                            .underlined()
-                            .yellow()
-                            .crossed_out()
-                    } else {
-                        Style::default().blue()
-                    })
-                    .unfilled_style(Style::default())
-                    .block(Block::default().padding(Padding::right(if a.width > 80 {
-                        padding[0]
-                    } else {
-                        padding[1]
-                    })))
-                    .ratio(ratio);
-                Some(timebarw)
-            } else {
-                None
-            };
 
             // render the small date
             let datew = Paragraph::new(data.fdate())
                 .blue()
                 .block(Block::default().padding(Padding::right(2)))
                 .alignment(Alignment::Right);
-            frame.render_widget(&timebarw, parts[2]);
+            frame.render_widget(&timebarw, parts["timebarw"]);
-            frame.render_widget(datew, parts[1]);
+            frame.render_widget(&timebarw_label, parts["timebarw_label"]);
+            frame.render_widget(datew, parts["datew"]);
             // render the clock
-            frame.render_widget(clockw, parts[0]);
+            frame.render_widget(clockw, parts["clockw"]);
         })?;
         debug!("done rendering the ui");
         Ok(())
@@ -485,7 +379,7 @@ impl Clock {
         std::io::stdout().flush()?;
         Ok(())
     }
-    fn partition(r: Rect) -> Vec<Rect> {
+    fn partition(r: Rect) -> HashMap<&'static str, Rect> {
         let part = Layout::default()
             .direction(Direction::Vertical)
             .constraints([
@@ -504,6 +398,16 @@ impl Clock {
             ])
             .split(part[0]);
 
-        vec![part[1], subparts[0], subparts[1]]
+        let timebarw_spaces = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints([Constraint::Length(1), Constraint::Length(1)])
+            .split(subparts[1]);
+
+        HashMap::from([
+            ("clockw", part[1]),
+            ("timebarw", timebarw_spaces[0]),
+            ("timebarw_label", timebarw_spaces[1]),
+            ("datew", subparts[0]),
+        ])
     }
 }

src/clock/timebar.rs

@@ -0,0 +1,65 @@
+use std::fmt::Display;
+
+use chrono::Duration;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum TimeBarLength {
+    Minute,
+    Hour,
+    Custom(i64),
+    /// implementing a bar that would grow smaller would be weird, so it's a count up instead of
+    /// a countdown
+    Countup(i64),
+    Day,
+}
+
+impl TimeBarLength {
+    pub(crate) const fn as_secs(self) -> i64 {
+        match self {
+            Self::Minute => 60,
+            Self::Day => 24 * 60 * 60,
+            Self::Hour => 60 * 60,
+            Self::Custom(secs) | Self::Countup(secs) => secs,
+        }
+    }
+}
+
+impl From<TimeBarLength> for chrono::Duration {
+    fn from(value: TimeBarLength) -> Self {
+        Self::new(value.as_secs(), 0).expect("seconds out of bounds, cannot create duration")
+    }
+}
+
+impl Default for TimeBarLength {
+    fn default() -> Self {
+        Self::Minute
+    }
+}
+
+impl Display for TimeBarLength {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let buf = match self {
+            Self::Minute => humantime::Duration::from(
+                Duration::minutes(1)
+                    .to_std()
+                    .expect("could not convert chrono time to std time"),
+            ),
+            Self::Hour => humantime::Duration::from(
+                Duration::hours(1)
+                    .to_std()
+                    .expect("could not convert chrono time to std time"),
+            ),
+            Self::Day => humantime::Duration::from(
+                Duration::days(1)
+                    .to_std()
+                    .expect("could not convert chrono time to std time"),
+            ),
+            Self::Custom(secs) | Self::Countup(secs) => humantime::Duration::from(
+                Duration::seconds(*secs)
+                    .to_std()
+                    .expect("could not convert chrono time to std time"),
+            ),
+        };
+        write!(f, "{buf}")
+    }
+}

src/clock/ui.rs

@@ -0,0 +1,174 @@
+use chrono::{DateTime, Local, SubsecRound, Timelike};
+use libpt::log::{debug, error, trace};
+use ratatui::layout::{Alignment, Rect};
+use ratatui::style::{Style, Stylize};
+use ratatui::widgets::{Block, LineGauge, Padding, Paragraph};
+
+use crate::clock::timebar::TimeBarLength;
+
+use super::Clock;
+
+#[derive(Debug, Clone, PartialEq, Default)]
+pub struct Data {
+    now: [DateTime<Local>; 2],
+    fdate: [String; 2],
+    ftime: [String; 2],
+    timebar_ratio: [Option<f64>; 2],
+
+    idx: usize,
+}
+
+impl Data {
+    pub fn update(
+        &mut self,
+        now: DateTime<Local>,
+        fdate: String,
+        ftime: String,
+        timebar_ratio: Option<f64>,
+    ) {
+        self.idx ^= 1;
+        self.now[self.idx] = now;
+        self.fdate[self.idx] = fdate;
+        self.ftime[self.idx] = ftime;
+        self.timebar_ratio[self.idx] = timebar_ratio;
+        #[cfg(debug_assertions)]
+        if self.changed() {
+            trace!("update with change: {:#?}", self);
+        }
+    }
+
+    /// did the data change with the last update?
+    #[must_use]
+    #[inline]
+    pub fn changed(&self) -> bool {
+        //  the timebar ratio is discarded, so that we only render the ui when the time
+        //  (second) changes
+        self.fdate[0] != self.fdate[1] || self.ftime[0] != self.ftime[1]
+    }
+
+    #[must_use]
+    #[inline]
+    pub fn fdate(&self) -> &str {
+        &self.fdate[self.idx]
+    }
+
+    #[must_use]
+    #[inline]
+    pub fn ftime(&self) -> &str {
+        &self.ftime[self.idx]
+    }
+
+    #[must_use]
+    #[inline]
+    pub fn now(&self) -> &DateTime<Local> {
+        &self.now[self.idx]
+    }
+
+    #[must_use]
+    #[inline]
+    #[allow(clippy::missing_const_for_fn)] // no it's not const
+    pub fn timebar_ratio(&self) -> Option<f64> {
+        self.timebar_ratio[self.idx]
+    }
+}
+
+pub fn timebarw<'a>(
+    clock: &mut Clock,
+    data: &Data,
+    timebarw_padding: &[u16],
+    inner_rect: Rect,
+) -> Option<LineGauge<'a>> {
+    if clock.timebar_len().is_some() {
+        debug!("time bar ration: {:?}", data.timebar_ratio());
+        let ratio = data.timebar_ratio().unwrap();
+
+        if !clock.did_notify && (ratio - 1.0).abs() < 0.000_001 {
+            if let Some(TimeBarLength::Countup(_)) = clock.timebar_len() {
+                let _ = clock.notify().inspect_err(|e| {
+                    error!("could not notify: {e}");
+                    debug!("complete error: {e:#?}");
+                });
+                clock.did_notify = true;
+            }
+        }
+
+        #[allow(clippy::cast_sign_loss)]
+        #[allow(clippy::cast_possible_truncation)]
+        let timebarw = LineGauge::default()
+            .filled_style(if clock.did_notify {
+                Style::default()
+                    .slow_blink()
+                    .bold()
+                    .underlined()
+                    .yellow()
+                    .crossed_out()
+            } else {
+                Style::default().blue()
+            })
+            .unfilled_style(Style::default())
+            .block(
+                Block::default().padding(Padding::right(if inner_rect.width > 80 {
+                    timebarw_padding[0]
+                } else {
+                    timebarw_padding[1]
+                })),
+            )
+            .ratio(ratio);
+        Some(timebarw)
+    } else {
+        None
+    }
+}
+
+pub fn timebarw_label<'a>(
+    clock: &Clock,
+    data: &Data,
+    timebarw_padding: &[u16],
+    inner_rect: Rect,
+) -> Option<Paragraph<'a>> {
+    clock.timebar_len().map(|len| {
+        let last_reset = clock.last_reset.unwrap().round_subsecs(0);
+        let time_now = match clock.timebar_len().unwrap() {
+            TimeBarLength::Countup(secs) => {
+                if clock.did_notify {
+                    humantime::Duration::from(chrono::Duration::seconds(secs).to_std().unwrap())
+                } else {
+                    humantime::Duration::from(
+                        data.now()
+                            .round_subsecs(0)
+                            .signed_duration_since(last_reset)
+                            .to_std()
+                            .unwrap(),
+                    )
+                }
+            }
+            _ => humantime::Duration::from(
+                data.now()
+                    .round_subsecs(0)
+                    .signed_duration_since(last_reset)
+                    .to_std()
+                    .unwrap(),
+            ),
+        };
+        let until = last_reset
+            // BUG: seconds are sometimes a little too much, for
+            // example with `-o` #17
+            .checked_add_signed(len.into())
+            .expect("could not calculate when the countdown finishes");
+        let timestamp_until: String = format!(
+            "{:02}:{:02}:{:02}",
+            until.hour(),
+            until.minute(),
+            until.second()
+        );
+        Paragraph::new(format!("{time_now} / {len} ({timestamp_until})"))
+            .alignment(Alignment::Center)
+            .block(
+                Block::default().padding(Padding::right(if inner_rect.width > 80 {
+                    timebarw_padding[0]
+                } else {
+                    timebarw_padding[1]
+                })),
+            )
+    })
+}

src/main.rs

@@ -63,7 +63,7 @@ fn mock_tests() {
     use chrono::{Local, Timelike};
     use libpt::log::info;
 
-    use self::clock::UiData;
+    use crate::clock::ui::Data;
     info!("doing the mock tests");
     {
         let mut c = Clock::parse_from(["some exec", "-mvvv"]);
@@ -81,12 +81,13 @@ fn mock_tests() {
         info!("0s=0.0");
     }
     {
-        let mut data = UiData::default();
+        let mut data = Data::default();
-        data.update("date".to_owned(), "time".to_owned(), Some(0.1));
+        let now = Local::now();
+        data.update(now, "date".to_owned(), "time".to_owned(), Some(0.1));
         assert_eq!(data.timebar_ratio(), Some(0.1));
-        data.update("date".to_owned(), "time".to_owned(), Some(0.2));
+        data.update(now, "date".to_owned(), "time".to_owned(), Some(0.2));
         assert_eq!(data.timebar_ratio(), Some(0.2));
-        data.update("date".to_owned(), "time".to_owned(), Some(0.3));
+        data.update(now, "date".to_owned(), "time".to_owned(), Some(0.3));
         assert_eq!(data.timebar_ratio(), Some(0.3));
     }
     info!("finished the mock tests");