Render list of rooms

cove-tui/src/ui.rs

@@ -1,16 +1,21 @@
 mod rooms;
 
+use std::collections::HashMap;
 use std::io::Stdout;
+use std::sync::Arc;
 
 use crossterm::event::{Event, EventStream, KeyCode, KeyEvent, MouseEvent, MouseEventKind};
 use futures::StreamExt;
 use tokio::sync::mpsc::error::TryRecvError;
 use tokio::sync::mpsc::{self, UnboundedReceiver, UnboundedSender};
+use tokio::sync::Mutex;
 use tui::backend::CrosstermBackend;
 use tui::layout::{Constraint, Direction, Layout};
 use tui::widgets::Paragraph;
 use tui::{Frame, Terminal};
 
+use crate::room::Room;
+
 use self::rooms::{Rooms, RoomsState};
 
 pub type Backend = CrosstermBackend<Stdout>;
@@ -28,6 +33,7 @@ enum EventHandleResult {
 
 pub struct Ui {
     event_tx: UnboundedSender<UiEvent>,
+    rooms: HashMap<String, Arc<Mutex<Room>>>,
     rooms_state: RoomsState,
     log: Vec<String>,
 }
@@ -36,6 +42,7 @@ impl Ui {
     fn new(event_tx: UnboundedSender<UiEvent>) -> Self {
         Self {
             event_tx,
+            rooms: HashMap::new(),
             rooms_state: RoomsState::default(),
             log: vec!["Hello world!".to_string()],
         }
@@ -155,7 +162,8 @@ impl Ui {
             ])
             .split(frame.size());
 
-        frame.render_stateful_widget(Rooms::new(), outer[0], &mut self.rooms_state);
+        // frame.render_stateful_widget(Rooms::new(&self.rooms), outer[0], &mut self.rooms_state);
+        frame.render_stateful_widget(Rooms::dummy(), outer[0], &mut self.rooms_state);
 
         let scroll = if self.log.len() as u16 > outer[1].height {
             self.log.len() as u16 - outer[1].height

cove-tui/src/ui/rooms.rs

@@ -1,15 +1,62 @@
 use std::cmp;
+use std::collections::HashMap;
+use std::sync::Arc;
 
+use tokio::sync::Mutex;
 use tui::buffer::Buffer;
 use tui::layout::Rect;
-use tui::style::{Modifier, Style};
-use tui::widgets::{Block, Borders, StatefulWidget, Widget};
+use tui::style::{Color, Modifier, Style};
+use tui::text::{Span, Spans};
+use tui::widgets::{Block, Borders, Paragraph, StatefulWidget, Widget};
 
-pub struct Rooms {}
+use crate::room::Room;
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
+struct RoomInfo {
+    name: String,
+}
+
+pub struct Rooms {
+    rooms: Vec<RoomInfo>,
+    selected: Option<usize>,
+}
 
 impl Rooms {
-    pub fn new() -> Self {
-        Self {}
+    pub fn new(rooms: &HashMap<String, Arc<Mutex<Room>>>) -> Self {
+        let mut rooms = rooms
+            .iter()
+            .map(|(name, _room)| RoomInfo { name: name.clone() })
+            .collect::<Vec<_>>();
+        rooms.sort();
+        Self {
+            rooms,
+            selected: None,
+        }
+    }
+
+    pub fn select(mut self, name: &str) -> Self {
+        for (i, room) in self.rooms.iter().enumerate() {
+            if room.name == name {
+                self.selected = Some(i);
+            }
+        }
+        self
+    }
+
+    pub fn dummy() -> Self {
+        fn r(s: &str) -> RoomInfo {
+            RoomInfo {
+                name: s.to_string(),
+            }
+        }
+
+        let mut rooms = vec![r("xkcd"), r("test"), r("welcome"), r("music")];
+        rooms.sort();
+        Rooms {
+            rooms,
+            selected: None,
+        }
+        .select("welcome")
     }
 }
 
@@ -17,12 +64,44 @@ impl StatefulWidget for Rooms {
     type State = RoomsState;
 
     fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
+        let title_style = Style::default().add_modifier(Modifier::BOLD);
+        let empty_style = Style::default()
+            .fg(Color::Gray)
+            .add_modifier(Modifier::ITALIC);
+        let room_style = Style::default().fg(Color::LightBlue);
+        let selected_room_style = room_style.add_modifier(Modifier::BOLD);
+
         state.width = cmp::min(state.width, area.width);
 
-        // let left = Rect {
-        //     width: area.width - 1,
-        //     ..area
-        // };
+        // Actual room names
+        let left = Rect {
+            width: area.width - 1,
+            ..area
+        };
+        let mut lines = vec![Spans::from(Span::styled("Rooms", title_style))];
+        if self.rooms.is_empty() {
+            lines.push(Spans::from(vec![
+                Span::raw("\r\n"),
+                Span::styled("none", empty_style),
+            ]));
+        }
+        for (i, room) in self.rooms.iter().enumerate() {
+            let name = format!("&{}", room.name);
+            if Some(i) == self.selected {
+                lines.push(Spans::from(vec![
+                    Span::raw("\n>"),
+                    Span::styled(name, selected_room_style),
+                ]));
+            } else {
+                lines.push(Spans::from(vec![
+                    Span::raw("\n "),
+                    Span::styled(name, room_style),
+                ]));
+            }
+        }
+        Paragraph::new(lines).render(left, buf);
+
+        // The panel's border
         let right = Rect {
             x: area.right() - 1,
             width: 1,
@@ -40,10 +119,10 @@ impl StatefulWidget for Rooms {
     }
 }
 
+// TODO Figure out some sort of scroll offset solution
 #[derive(Debug)]
 pub struct RoomsState {
     width: u16,
-    offset: u16,
     hovering: bool,
     dragging: bool,
 }
@@ -52,7 +131,6 @@ impl Default for RoomsState {
     fn default() -> Self {
         Self {
             width: 24,
-            offset: 0,
             hovering: false,
             dragging: false,
         }
@@ -72,10 +150,6 @@ impl RoomsState {
         self.dragging = active;
     }
 
-    pub fn dragging(&self) -> bool {
-        self.dragging
-    }
-
     pub fn drag_to(&mut self, width: u16) {
         if self.dragging {
             self.width = width;