introduce new context menu for simplified controls

as outlined in #75

README.md

@@ -45,7 +45,8 @@ have them configurable.
     * `d` deletes the currently selected playlist
 * Tracks and playlists can be played using `Return` and queued using `Space`
 * `s` will save or remove the currently selected track to your library
-* `o` will open a detail view for the selected item
+* `o` will open a detail view or context menu for the selected item
+* `Shift-o` will open a context menu for the currently playing track
 * `a` will open the album view for the selected item
 * `A` will open the artist view for the selected item
 * `Backspace` closes the current view

src/command.rs

@@ -66,7 +66,7 @@ pub enum Command {
     Shuffle(Option<bool>),
     Share(TargetMode),
     Back,
-    Open,
+    Open(TargetMode),
     Goto(GotoMode),
     Move(MoveMode, Option<i32>),
     Shift(ShiftMode, Option<i32>),
@@ -123,7 +123,14 @@ pub fn parse(input: &str) -> Option<Command> {
         "play" => Some(Command::Play),
         "delete" => Some(Command::Delete),
         "back" => Some(Command::Back),
-        "open" => Some(Command::Open),
+        "open" => args
+            .get(0)
+            .and_then(|target| match *target {
+                "selected" => Some(TargetMode::Selected),
+                "current" => Some(TargetMode::Current),
+                _ => None,
+            })
+            .map(Command::Open),
         "search" => args.get(0).map(|query| Command::Search(query.to_string())),
         "shift" => {
             let amount = args.get(1).and_then(|amount| amount.parse().ok());

src/commands.rs

@@ -122,7 +122,7 @@ impl CommandManager {
             | Command::Save
             | Command::Delete
             | Command::Back
-            | Command::Open
+            | Command::Open(_)
             | Command::Goto(_) => Ok(None),
             _ => Err("Unknown Command".into()),
         }
@@ -192,9 +192,12 @@ impl CommandManager {
         let mut kb = HashMap::new();
 
         kb.insert("q".into(), Command::Quit);
-        kb.insert("P".into(), Command::TogglePlay);
-        kb.insert("R".into(), Command::Playlists(PlaylistCommands::Update));
-        kb.insert("S".into(), Command::Stop);
+        kb.insert("Shift+p".into(), Command::TogglePlay);
+        kb.insert(
+            "Shift+r".into(),
+            Command::Playlists(PlaylistCommands::Update),
+        );
+        kb.insert("Shift+s".into(), Command::Stop);
         kb.insert("<".into(), Command::Previous);
         kb.insert(">".into(), Command::Next);
         kb.insert("c".into(), Command::Clear);
@@ -216,7 +219,8 @@ impl CommandManager {
         kb.insert("F3".into(), Command::Focus("library".into()));
         kb.insert("Backspace".into(), Command::Back);
 
-        kb.insert("o".into(), Command::Open);
+        kb.insert("o".into(), Command::Open(TargetMode::Selected));
+        kb.insert("Shift+o".into(), Command::Open(TargetMode::Current));
         kb.insert("a".into(), Command::Goto(GotoMode::Album));
         kb.insert("A".into(), Command::Goto(GotoMode::Artist));
 

src/ui/contextmenu.rs

@@ -0,0 +1,53 @@
+use std::sync::Arc;
+
+use cursive::view::ViewWrapper;
+use cursive::views::{Dialog, SelectView};
+use cursive::Cursive;
+
+use library::Library;
+use queue::Queue;
+use traits::ListItem;
+use ui::layout::Layout;
+use ui::modal::Modal;
+
+pub struct ContextMenu {
+    dialog: Modal<Dialog>,
+}
+
+impl ContextMenu {
+    pub fn new(item: &Box<ListItem>, queue: Arc<Queue>, library: Arc<Library>) -> Self {
+        let mut content: SelectView<Box<ListItem>> = SelectView::new().autojump();
+        if let Some(a) = item.artist() {
+            content.add_item("Artist", Box::new(a))
+        }
+        if let Some(a) = item.album(queue.clone()) {
+            content.add_item("Album", Box::new(a))
+        }
+
+        // open detail view of artist/album
+        content.set_on_submit(move |s: &mut Cursive, selected: &Box<ListItem>| {
+            s.pop_layer();
+            let queue = queue.clone();
+            let library = library.clone();
+            s.call_on_id("main", move |v: &mut Layout| {
+                let view = selected.open(queue, library);
+                if let Some(view) = view {
+                    v.push_view(view)
+                }
+            });
+        });
+
+        let dialog = Dialog::new()
+            .title(item.display_left())
+            .dismiss_button("Cancel")
+            .padding((1, 1, 1, 0))
+            .content(content);
+        Self {
+            dialog: Modal::new(dialog),
+        }
+    }
+}
+
+impl ViewWrapper for ContextMenu {
+    wrap_impl!(self.dialog: Modal<Dialog>);
+}

src/ui/listview.rs

@@ -18,6 +18,7 @@ use track::Track;
 use traits::{IntoBoxedViewExt, ListItem, ViewExt};
 use ui::album::AlbumView;
 use ui::artist::ArtistView;
+use ui::contextmenu::ContextMenu;
 
 pub type Paginator<I> = Box<Fn(Arc<RwLock<Vec<I>>>) + Send + Sync>;
 pub struct Pagination<I: ListItem> {
@@ -352,14 +353,31 @@ impl<I: ListItem + Clone> ViewExt for ListView<I> {
                     _ => {}
                 }
             }
-            Command::Open => {
-                let mut content = self.content.write().unwrap();
-                if let Some(item) = content.get_mut(self.selected) {
-                    let queue = self.queue.clone();
-                    let library = self.library.clone();
-                    if let Some(view) = item.open(queue, library) {
-                        return Ok(CommandResult::View(view));
+            Command::Open(mode) => {
+                let queue = self.queue.clone();
+                let library = self.library.clone();
+                let target: Option<Box<dyn ListItem>> = match mode {
+                    TargetMode::Current => {
+                        self.queue.get_current().and_then(|t| Some(t.as_listitem()))
                     }
+                    TargetMode::Selected => {
+                        let content = self.content.read().unwrap();
+                        content
+                            .get(self.selected)
+                            .and_then(|t| Some(t.as_listitem()))
+                    }
+                };
+
+                // if item has a dedicated view, show it; otherwise open the context menu
+                if let Some(target) = target {
+                    let view = target.open(queue.clone(), library.clone());
+                    return match view {
+                        Some(view) => Ok(CommandResult::View(view)),
+                        None => {
+                            let contextmenu = ContextMenu::new(&target, queue, library);
+                            Ok(CommandResult::Modal(Box::new(contextmenu)))
+                        }
+                    };
                 }
             }
             Command::Goto(mode) => {

src/ui/mod.rs

@@ -1,5 +1,6 @@
 pub mod album;
 pub mod artist;
+pub mod contextmenu;
 pub mod layout;
 pub mod library;
 pub mod listview;