refactor(music): split config code into separate file

src/modules/music/config.rs

@@ -0,0 +1,136 @@
+use crate::config::CommonConfig;
+use dirs::{audio_dir, home_dir};
+use gtk::pango::EllipsizeMode as GtkEllipsizeMode;
+use serde::Deserialize;
+use std::path::PathBuf;
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct Icons {
+    /// Icon to display when playing.
+    #[serde(default = "default_icon_play")]
+    pub(crate) play: String,
+    /// Icon to display when paused.
+    #[serde(default = "default_icon_pause")]
+    pub(crate) pause: String,
+    /// Icon to display under volume slider
+    #[serde(default = "default_icon_volume")]
+    pub(crate) volume: String,
+}
+
+impl Default for Icons {
+    fn default() -> Self {
+        Self {
+            pause: default_icon_pause(),
+            play: default_icon_play(),
+            volume: default_icon_volume(),
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Clone, Copy)]
+#[serde(rename_all = "snake_case")]
+pub enum PlayerType {
+    Mpd,
+    Mpris,
+}
+
+impl Default for PlayerType {
+    fn default() -> Self {
+        Self::Mpris
+    }
+}
+
+#[derive(Debug, Deserialize, Clone, Copy)]
+#[serde(rename_all = "snake_case")]
+pub enum EllipsizeMode {
+    Start,
+    Middle,
+    End,
+}
+
+impl From<EllipsizeMode> for GtkEllipsizeMode {
+    fn from(value: EllipsizeMode) -> Self {
+        match value {
+            EllipsizeMode::Start => Self::Start,
+            EllipsizeMode::Middle => Self::Middle,
+            EllipsizeMode::End => Self::End,
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Clone, Copy)]
+#[serde(untagged)]
+pub enum TruncateMode {
+    Auto(EllipsizeMode),
+    MaxLength {
+        mode: EllipsizeMode,
+        length: Option<i32>,
+    },
+}
+
+impl TruncateMode {
+    pub(crate) const fn mode(&self) -> EllipsizeMode {
+        match self {
+            Self::MaxLength { mode, .. } | Self::Auto(mode) => *mode,
+        }
+    }
+
+    pub(crate) const fn length(&self) -> Option<i32> {
+        match self {
+            Self::Auto(_) => None,
+            Self::MaxLength { length, .. } => *length,
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct MusicModule {
+    /// Type of player to connect to
+    #[serde(default)]
+    pub(crate) player_type: PlayerType,
+
+    /// Format of current song info to display on the bar.
+    #[serde(default = "default_format")]
+    pub(crate) format: String,
+
+    /// Player state icons
+    #[serde(default)]
+    pub(crate) icons: Icons,
+
+    pub(crate) truncate: Option<TruncateMode>,
+
+    // -- MPD --
+    /// TCP or Unix socket address.
+    #[serde(default = "default_socket")]
+    pub(crate) host: String,
+    /// Path to root of music directory.
+    #[serde(default = "default_music_dir")]
+    pub(crate) music_dir: PathBuf,
+
+    #[serde(flatten)]
+    pub common: Option<CommonConfig>,
+}
+
+fn default_socket() -> String {
+    String::from("localhost:6600")
+}
+
+fn default_format() -> String {
+    String::from("{icon}  {title} / {artist}")
+}
+
+fn default_icon_play() -> String {
+    String::from("")
+}
+
+fn default_icon_pause() -> String {
+    String::from("")
+}
+
+fn default_icon_volume() -> String {
+    String::from("墳")
+}
+
+fn default_music_dir() -> PathBuf {
+    audio_dir().unwrap_or_else(|| home_dir().map(|dir| dir.join("Music")).unwrap_or_default())
+}