Adds ability to seek with arrow keys (#453)

psst-gui/src/controller/playback.rs

@@ -274,6 +274,22 @@ impl PlaybackController {
         self.send(PlayerEvent::Command(PlayerCommand::Seek { position }));
     }
 
+    fn seek_relative(&mut self, data: &AppState, forward: bool) {
+        if let Some(now_playing) = &data.playback.now_playing {
+            let seek_duration = Duration::from_secs(data.config.seek_duration as u64);
+
+            // Calculate new position, ensuring it does not exceed duration for forward seeks.
+            let seek_position = if forward {
+                now_playing.progress + seek_duration
+            } else {
+                now_playing.progress.saturating_sub(seek_duration)
+            }
+            .min(now_playing.item.duration()); // Safeguard to not exceed the track duration.
+
+            self.seek(seek_position);
+        }
+    }
+
     fn set_volume(&mut self, volume: f64) {
         self.send(PlayerEvent::Command(PlayerCommand::SetVolume { volume }));
     }
@@ -412,11 +428,19 @@ where
                 ctx.set_handled();
             }
             Event::KeyDown(key) if key.code == Code::ArrowRight => {
-                self.next();
+                if key.mods.shift() {
+                    self.next();
+                } else {
+                    self.seek_relative(data, true);
+                }
                 ctx.set_handled();
             }
             Event::KeyDown(key) if key.code == Code::ArrowLeft => {
-                self.previous();
+                if key.mods.shift() {
+                    self.previous();
+                } else {
+                    self.seek_relative(data, false);
+                }
                 ctx.set_handled();
             }
             Event::KeyDown(key) if key.key == KbKey::Character("+".to_string()) => {

psst-gui/src/data/config.rs

@@ -94,6 +94,7 @@ pub struct Config {
     pub sort_order: SortOrder,
     pub sort_criteria: SortCriteria,
     pub paginated_limit: usize,
+    pub seek_duration: usize,
 }
 
 impl Default for Config {
@@ -111,6 +112,7 @@ impl Default for Config {
             sort_order: Default::default(),
             sort_criteria: Default::default(),
             paginated_limit: 500,
+            seek_duration: 10,
         }
     }
 }

psst-gui/src/ui/playback.rs

@@ -90,29 +90,27 @@ fn playing_item_widget() -> impl Widget<NowPlaying> {
     Flex::row()
         .with_child(cover_art)
         .with_flex_child(
-            Flex::row()
-                .with_spacer(theme::grid(2.0))
-                .with_flex_child(
-                    Flex::column()
-                        .cross_axis_alignment(CrossAxisAlignment::Start)
-                        .with_child(name)
-                        .with_spacer(2.0)
-                        .with_child(detail)
-                        .with_spacer(2.0)
-                        .with_child(origin)
-                        .on_click(|ctx, now_playing, _| {
-                            ctx.submit_command(cmd::NAVIGATE.with(now_playing.origin.to_nav()));
-                        })
-                        .context_menu(|now_playing| match &now_playing.item {
-                            Playable::Track(track) => {
-                                track::track_menu(track, &now_playing.library, &now_playing.origin)
-                            }
-                            Playable::Episode(episode) => {
-                                episode::episode_menu(episode, &now_playing.library)
-                            }
-                        }),
-                        1.0
-                    ),
+            Flex::row().with_spacer(theme::grid(2.0)).with_flex_child(
+                Flex::column()
+                    .cross_axis_alignment(CrossAxisAlignment::Start)
+                    .with_child(name)
+                    .with_spacer(2.0)
+                    .with_child(detail)
+                    .with_spacer(2.0)
+                    .with_child(origin)
+                    .on_click(|ctx, now_playing, _| {
+                        ctx.submit_command(cmd::NAVIGATE.with(now_playing.origin.to_nav()));
+                    })
+                    .context_menu(|now_playing| match &now_playing.item {
+                        Playable::Track(track) => {
+                            track::track_menu(track, &now_playing.library, &now_playing.origin)
+                        }
+                        Playable::Episode(episode) => {
+                            episode::episode_menu(episode, &now_playing.library)
+                        }
+                    }),
+                1.0,
+            ),
             1.0,
         )
         .with_child(ViewSwitcher::new(

psst-gui/src/ui/preferences.rs

@@ -212,6 +212,22 @@ fn general_tab_widget() -> impl Widget<AppState> {
 
     col = col.with_spacer(theme::grid(3.0));
 
+    col = col
+        .with_child(Label::new("Seek Duration").with_font(theme::UI_FONT_MEDIUM))
+        .with_spacer(theme::grid(2.0))
+        .with_child(
+            Flex::row()
+                .with_child(
+                    TextBox::new().with_formatter(ParseFormatter::with_format_fn(
+                        |usize: &usize| usize.to_string(),
+                    )),
+                )
+                .padding((theme::grid(1.5), 0.0))
+                .lens(AppState::config.then(Config::seek_duration)),
+        );
+
+    col = col.with_spacer(theme::grid(3.0));
+
     col = col
         .with_child(
             Label::new("Max Loaded Tracks (requires restart)").with_font(theme::UI_FONT_MEDIUM),

psst-gui/src/widget/mod.rs

@@ -23,7 +23,7 @@ use druid_shell::Cursor;
 pub use empty::Empty;
 pub use link::Link;
 pub use maybe::Maybe;
-pub use overlay::{Overlay};
+pub use overlay::Overlay;
 pub use promise::Async;
 pub use remote_image::RemoteImage;
 pub use theme::ThemeScope;