show tips when paused

src/app/modes.rs

@@ -9,7 +9,13 @@ pub(crate) use clock::Clock;
 use clock_tui::bricks_text::BricksText;
 pub(crate) use stopwatch::Stopwatch;
 pub(crate) use timer::Timer;
-use tui::{buffer::Buffer, layout::Rect, widgets::Widget};
+use tui::{
+    buffer::Buffer,
+    layout::Rect,
+    style::Style,
+    text::Span,
+    widgets::{Paragraph, Widget},
+};
 
 fn format_duration(duration: Duration) -> String {
     let millis = duration.num_milliseconds();
@@ -30,13 +36,44 @@ fn format_duration(duration: Duration) -> String {
     result
 }
 
-fn render_centered(area: Rect, buf: &mut Buffer, text: &BricksText) {
+fn render_centered(
+    area: Rect,
+    buf: &mut Buffer,
+    text: &BricksText,
+    header: Option<String>,
+    footer: Option<String>,
+) {
     let text_size = text.size();
     let text_area = Rect {
         x: area.x + (area.width.saturating_sub(text_size.0)) / 2,
         y: area.y + (area.height.saturating_sub(text_size.1)) / 2,
         width: min(text_size.0, area.width),
-        height: min(text_size.0, area.height),
+        height: min(text_size.1, area.height),
     };
     text.render(text_area, buf);
+
+    let render_text_center = |text: &str, top: u16, buf: &mut Buffer| {
+        let text_len = text.len() as u16;
+        let paragrahp = Paragraph::new(Span::from(text)).style(Style::default());
+
+        let para_area = Rect {
+            x: area.left() + (area.width.saturating_sub(text_len)) / 2,
+            y: top,
+            width: min(text_len, area.width),
+            height: min(1, area.height),
+        };
+        paragrahp.render(para_area, buf);
+    };
+
+    if let Some(text) = header {
+        if area.top() + 2 <= text_area.top() {
+            render_text_center(text.as_str(), text_area.top() - 2, buf);
+        }
+    }
+
+    if let Some(text) = footer {
+        if area.bottom() >= text_area.bottom() + 2 {
+            render_text_center(text.as_str(), text_area.bottom() + 1, buf);
+        }
+    }
 }

src/app/modes/clock.rs

@@ -1,13 +1,8 @@
-use std::cmp::min;
-
 use chrono::Local;
 use clock_tui::bricks_text::BricksText;
-use tui::{
-    layout::Rect,
-    style::Style,
-    text::Span,
-    widgets::{Paragraph, Widget},
-};
+use tui::{layout::Rect, style::Style, widgets::Widget};
+
+use super::render_centered;
 
 pub(crate) struct Clock {
     pub size: u16,
@@ -28,27 +23,11 @@ impl Widget for &Clock {
         };
         let time_str = time_str.as_str();
         let text = BricksText::new(time_str, self.size, self.size, self.style);
-        let text_size = text.size();
-        let text_area = Rect {
-            x: area.x + (area.width.saturating_sub(text_size.0)) / 2,
-            y: area.y + (area.height.saturating_sub(text_size.1)) / 2,
-            width: min(text_size.0, area.width),
-            height: min(text_size.0, area.height),
+        let header = if self.show_date {
+            Some(now.format("%Y-%m-%d %Z").to_string())
+        } else {
+            None
         };
-        text.render(text_area, buf);
-
-        if self.show_date {
-            let text = now.format("%Y-%m-%d %Z").to_string();
-            let text_len = text.as_str().len() as u16;
-            let paragrahp = Paragraph::new(Span::from(text)).style(Style::default());
-
-            let para_area = Rect {
-                x: area.x + (area.width.saturating_sub(text_len)) / 2,
-                y: text_area.y.saturating_sub(2),
-                width: min(text_len, area.width),
-                height: min(1, area.height),
-            };
-            paragrahp.render(para_area, buf);
-        }
+        render_centered(area, buf, &text, header, None);
     }
 }

src/app/modes/stopwatch.rs

@@ -53,6 +53,11 @@ impl Widget for &Stopwatch {
     fn render(self, area: Rect, buf: &mut Buffer) {
         let time_str = format_duration(self.total_time());
         let text = BricksText::new(time_str.as_str(), self.size, self.size, self.style);
-        render_centered(area, buf, &text);
+        let footer = if self.is_paused() {
+            Some("PAUSED (press <SPACE> to resume)".to_string())
+        } else {
+            None
+        };
+        render_centered(area, buf, &text, None, footer);
     }
 }

src/app/modes/timer.rs

@@ -59,8 +59,12 @@ impl Timer {
 impl Widget for &Timer {
     fn render(self, area: Rect, buf: &mut Buffer) {
         let time_str = format_duration(self.remaining_time());
-        // println!("{}", time_str);
         let text = BricksText::new(time_str.as_str(), self.size, self.size, self.style);
-        render_centered(area, buf, &text);
+        let footer = if self.is_paused() {
+            Some("PAUSED (press <SPACE> to resume)".to_string())
+        } else {
+            None
+        };
+        render_centered(area, buf, &text, None, footer);
     }
 }

src/main.rs

@@ -65,7 +65,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     } else {
         false
     };
-    let tick_rate = Duration::from_millis(if low_rate { 20 } else { 200 });
+    let tick_rate = Duration::from_millis(if low_rate { 200 } else { 20 });
     let res = run_app(&mut terminal, &mut app, tick_rate);
 
     // restore terminal