add toggle mute keymap

README.md

@@ -15,6 +15,7 @@ rmptui is a minimal tui mpd client made with rust.
 | `p`                       | Toggle pause                                    |
 | `+`/`=`                   | Increase volume                                 |
 | `-`                       | Decrease volume                                 |
+| `m`                       | Toggle Mute                                     |
 | `D`                       | Get dmenu prompt                                |
 | `j`/`Down`                | Scroll down                                     |
 | `k`/`Up`                  | Scroll up                                       |

src/app.rs

@@ -429,7 +429,7 @@ impl App {
         }
     }
 
-    pub fn handle_mouse_left_click(&mut self, x: u16, y: u16) -> AppResult<()> {
+    pub fn handle_mouse_left_click(&mut self, _x: u16, _y: u16) -> AppResult<()> {
         Ok(())
     }
 }

src/connection.rs

@@ -5,6 +5,12 @@ use mpd::{Client, State};
 use simple_dmenu::dmenu;
 use std::time::Duration;
 
+#[derive(Debug)]
+pub enum VolumeStatus {
+    Muted(i8),
+    Unmuted,
+}
+
 #[derive(Debug)]
 /// struct storing the mpd Client related stuff
 pub struct Connection {
@@ -16,6 +22,7 @@ pub struct Connection {
     pub current_song: Song,
     pub stats: mpd::Stats,
     pub status: mpd::Status,
+    pub volume_status: VolumeStatus,
 }
 
 impl Connection {
@@ -41,6 +48,13 @@ impl Connection {
             .currentsong()
             .unwrap_or_else(|_| Some(empty_song.clone()))
             .unwrap_or(empty_song);
+
+        let volume_status = if status.volume == 0 {
+            VolumeStatus::Muted(status.volume)
+        } else {
+            VolumeStatus::Unmuted
+        };
+
         Ok(Self {
             conn,
             songs_filenames,
@@ -50,6 +64,7 @@ impl Connection {
             current_song,
             stats,
             status,
+            volume_status,
         })
     }
 
@@ -207,6 +222,7 @@ impl Connection {
     pub fn inc_volume(&mut self, v: i8) {
         let cur = self.status.volume;
         if cur + v <= 100 {
+            self.volume_status = VolumeStatus::Unmuted;
             self.conn.volume(cur + v).unwrap();
         }
     }
@@ -215,6 +231,7 @@ impl Connection {
     pub fn dec_volume(&mut self, v: i8) {
         let cur = self.status.volume;
         if cur - v >= 0 {
+            self.volume_status = VolumeStatus::Unmuted;
             self.conn.volume(cur - v).unwrap();
         }
     }

src/event/handler.rs

@@ -1,5 +1,6 @@
 use crate::{
     app::{App, AppResult, SelectedTab},
+    connection::VolumeStatus,
     ui::InputMode,
 };
 use crossterm::event::{KeyCode, KeyEvent, KeyModifiers, MouseEvent, MouseEventKind};
@@ -138,6 +139,22 @@ pub fn handle_key_events(key_event: KeyEvent, app: &mut App) -> AppResult<()> {
                 app.conn.update_status();
             }
 
+            // Toggle Mute
+            KeyCode::Char('m') => {
+                match app.conn.volume_status {
+                    VolumeStatus::Muted(v) => {
+                        app.conn.conn.volume(v)?;
+                        app.conn.volume_status = VolumeStatus::Unmuted;
+                    }
+                    VolumeStatus::Unmuted => {
+                        let current_volume = app.conn.status.volume;
+                        app.conn.conn.volume(0)?;
+                        app.conn.volume_status = VolumeStatus::Muted(current_volume);
+                    }
+                }
+                app.conn.update_status();
+            }
+
             // Update MPD database
             KeyCode::Char('U') => {
                 app.conn.conn.rescan()?;