#10 Feature add volume control (#11)

* feat: 10 add volume control

Author: richasdev

README.md

@@ -34,6 +34,7 @@ loshell
 | `q` | Quit |
 | `s` | Play/stop radio |
 | `←/→` | Switch station |
+| `[ / ]` | Switch station |
 | `p` | Toggle pomodoro |
 | `space` | Start/pause timer |
 | `r` | Reset timer |

src/lib.rs

@@ -106,10 +106,22 @@ fn run_app(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
                 height: 1,
             };
 
+            let vol = radio.volume();
+            let bar_width = 12usize;
+            let filled = (vol as usize * bar_width) / 100;
+            let empty = bar_width - filled;
+            let vol_bar = format!(
+                "  Volume: [{}{}] {}%",
+                "█".repeat(filled),
+                "-".repeat(empty),
+                vol
+            );
+
             let station_line = Paragraph::new(Line::from(vec![
                 Span::styled(format!("{} ", radio_icon), radio_style),
                 Span::styled(radio.station().name, theme.hot()),
                 Span::styled(status_text, theme.frame()),
+                Span::styled(vol_bar, theme.frame()),
             ]))
             .style(theme.base());
 
@@ -144,6 +156,8 @@ fn run_app(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
                 Span::styled(format!("{}  ", radio_action), theme.frame()),
                 Span::styled("←/→ ", theme.accent()),
                 Span::styled("station  ", theme.frame()),
+                Span::styled("[/] ", theme.accent()),
+                Span::styled("volume  ", theme.frame()),
                 Span::styled("t ", theme.accent()),
                 Span::styled("todos  ", theme.frame()),
                 Span::styled("T ", theme.accent()),
@@ -245,6 +259,8 @@ fn run_app(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
                         }
                         KeyCode::Char('r') => pomo.stop_reset(),
                         KeyCode::Char('+') => pomo.add_five_minutes(),
+                        KeyCode::Char('[') => radio.set_volume(radio.volume().saturating_sub(10)),
+                        KeyCode::Char(']') => radio.set_volume((radio.volume() + 10).min(100)),
                         KeyCode::Esc => todos.toggle_visible(),
                         _ => {}
                     }
@@ -269,6 +285,8 @@ fn run_app(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
                         KeyCode::Char(' ') => pomo.start_pause(),
                         KeyCode::Char('r') => pomo.stop_reset(),
                         KeyCode::Char('+') => pomo.add_five_minutes(),
+                        KeyCode::Char('[') => radio.set_volume(radio.volume().saturating_sub(10)),
+                        KeyCode::Char(']') => radio.set_volume((radio.volume() + 10).min(100)),
                         _ => {}
                     }
                 }

src/pomodoro.rs

@@ -90,10 +90,7 @@ impl Pomodoro {
         thread::spawn(move || {
             #[cfg(target_os = "macos")]
             {
-                let script = format!(
-                    "display notification \"{}\" with title \"{}\"",
-                    body, title
-                );
+                let script = format!("display notification \"{}\" with title \"{}\"", body, title);
                 let _ = std::process::Command::new("osascript")
                     .args(["-e", &script])
                     .output();

src/radio.rs

@@ -72,6 +72,10 @@ impl Radio {
         self.volume.clone()
     }
 
+    pub fn volume(&self) -> u8 {
+        self.volume.load(Ordering::SeqCst)
+    }
+
     pub fn station(&self) -> &Station {
         &STATIONS[self.current_station]
     }