menus

kiln-tui/src/input.rs

@@ -1,6 +1,7 @@
 use ratatui::crossterm::event::{Event, KeyCode, MouseEventKind};
 use kiln_core::Direction;
 use kiln_core::game::{GameState, ScrollLine};
+use crate::menu::{MenuItem, MenuKey, pause_menu_items, ActionRc as MenuActionRc};
 use crate::ui::Ui;
 
 /// Moves the player and, if the move crosses a portal, captures both board Rcs
@@ -22,6 +23,8 @@ pub enum InputMode {
     Board,
     /// A scroll overlay is active; all input is captured for scroll navigation.
     Scroll,
+    /// A menu overlay is active; all input is captured for menu navigation.
+    Menu,
     /// An animation is running; all input is discarded.
     Animating,
     /// Reserved for a post-transition freeze; nothing currently produces this mode.
@@ -35,6 +38,7 @@ pub(crate) fn current_input_mode(game: &GameState, ui: &Ui) -> InputMode {
     if ui.active_animation.is_some() || ui.pending_transition.is_some() {
         return InputMode::Animating;
     }
+    if ui.menu.is_some() { return InputMode::Menu; }
     if game.active_scroll.is_some() { InputMode::Scroll } else { InputMode::Board }
 }
 
@@ -42,7 +46,7 @@ pub(crate) fn current_input_mode(game: &GameState, ui: &Ui) -> InputMode {
 pub(crate) fn handle_board_input(event: Event, log_open: bool, terminal_h: u16, game: &mut GameState, ui: &mut Ui) -> bool {
     match event {
         Event::Key(key) => match key.code {
-            KeyCode::Char('q') | KeyCode::Esc => return true,
+            KeyCode::Esc => ui.open_menu(pause_menu_items()),
             KeyCode::Up    => try_move_with_transition(game, ui, Direction::North),
             KeyCode::Down  => try_move_with_transition(game, ui, Direction::South),
             KeyCode::Left  => try_move_with_transition(game, ui, Direction::West),
@@ -107,3 +111,36 @@ pub(crate) fn handle_scroll_input(event: Event, game: &mut GameState, ui: &mut U
         _ => {}
     }
 }
+
+/// Handles an input event in [`InputMode::Menu`].
+///
+/// Uses the clone-then-dispatch pattern: the action `Rc` is cloned to release
+/// the immutable borrow on `ui.menu`, then the action is called with full `&mut Ui`.
+pub(crate) fn handle_menu_input(event: Event, game: &mut GameState, ui: &mut Ui) {
+    match event {
+        Event::Key(key) => {
+            let pressed = match key.code {
+                KeyCode::Esc        => Some(MenuKey::Esc),
+                KeyCode::Char(c)    => Some(MenuKey::Char(c)),
+                KeyCode::Up         => { ui.scroll_menu(-1); None }
+                KeyCode::Down       => { ui.scroll_menu(1);  None }
+                _ => None,
+            };
+            if let Some(mk) = pressed {
+                // Clone the Rc to release the borrow on ui.menu before calling the action.
+                let action: Option<MenuActionRc> = ui.menu.as_ref()
+                    .and_then(|m| m.items.iter().find(|i| i.key == mk))
+                    .map(|i| i.action_rc());
+                if let Some(action) = action {
+                    MenuItem::call_action_rc(action, game, ui);
+                }
+            }
+        }
+        Event::Mouse(m) => match m.kind {
+            MouseEventKind::ScrollUp   => ui.scroll_menu(-1),
+            MouseEventKind::ScrollDown => ui.scroll_menu(1),
+            _ => {}
+        },
+        _ => {}
+    }
+}

kiln-tui/src/main.rs

@@ -10,6 +10,8 @@
 mod animation;
 mod cp437;
 mod log;
+mod menu;
+mod overlay;
 mod render;
 mod scroll_overlay;
 mod term;
@@ -36,8 +38,9 @@ use std::process::ExitCode;
 use std::time::{Duration, Instant};
 use term::TerminalCaps;
 use crate::animation::{AnimationLayer, AnimWidget};
-use crate::input::{current_input_mode, handle_board_input, handle_scroll_input, InputMode};
+use crate::input::{current_input_mode, handle_board_input, handle_menu_input, handle_scroll_input, InputMode};
 use crate::log::{log_preview_line, LogWidget};
+use crate::menu::MenuWidget;
 use crate::scroll_overlay::ScrollOverlayWidget;
 use crate::speech::SpeechBubblesWidget;
 use crate::ui::Ui;
@@ -75,10 +78,7 @@ fn main() -> ExitCode {
         let _ = term::push_kitty_flags();
     }
 
-    // Seed the log: the terminal-capabilities badge plus a couple of test
+    game.log(LogLine::raw("[esc] for menu"));
-    // messages (temporary, just to exercise the panel).
-    // Note these will appear in reverse order, latest on top
-    game.log(LogLine::raw("Press 'q' to exit."));
     game.log(LogLine::raw("Welcome to kiln - ").append(caps.status_logline()));
 
     // Now that the board is fully loaded and the terminal is ready, run each
@@ -134,10 +134,9 @@ fn run(
             let terminal_h = terminal.size()?.height;
             match current_input_mode(game, ui) {
                 InputMode::Board | InputMode::Frozen => {
-                    if handle_board_input(event, ui.log.open, terminal_h, game, ui) {
+                    handle_board_input(event, ui.log.open, terminal_h, game, ui);
-                        return Ok(());
-                    }
                 }
+                InputMode::Menu   => handle_menu_input(event, game, ui),
                 InputMode::Scroll => handle_scroll_input(event, game, ui),
                 // Animation running — discard all events.
                 InputMode::Animating => {}
@@ -152,13 +151,18 @@ fn run(
             last_tick = Instant::now();
             ui.tick(dt, game);
         }
+
+        // A menu action may have set should_quit; exit once any close animation finishes.
+        if ui.should_quit && ui.active_animation.is_none() {
+            return Ok(());
+        }
     }
 }
 
 /// Render a single frame: the board in a bordered block, and — when open — a log
 /// panel across the bottom. When the panel is closed the latest log message is
 /// previewed in the board's bottom-left border after a `[l]og:` label.
-/// A scroll overlay or overlay animation is drawn on top of everything when active.
+/// Overlays (menu, scroll, animations) are drawn on top of everything.
 fn draw(frame: &mut Frame, game: &GameState, ui: &mut Ui) {
     // Borrow the board for the duration of the frame (no script runs during draw).
     let board = &game.board();
@@ -186,18 +190,17 @@ fn draw(frame: &mut Frame, game: &GameState, ui: &mut Ui) {
         draw_board_area(frame, inner, game, ui);
     }
 
-    // Draw overlay animations (scroll open/close) or the fully-open scroll overlay.
+    // Overlay layer: animation > menu > scroll (mutually exclusive at runtime).
-    // Suppressed during a board-layer animation (transition wipe); enter_board()
-    // already cleared active_scroll so there's nothing to show anyway.
     let is_overlay_anim = ui.active_animation.as_ref()
         .map(|a| matches!(a.layer(), AnimationLayer::Overlay))
         .unwrap_or(false);
 
+    let area = frame.area();
     if is_overlay_anim {
-        let area = frame.area();
         frame.render_widget(AnimWidget(ui.active_animation.as_ref().unwrap().as_ref()), area);
+    } else if let Some(menu) = ui.menu.as_mut() {
+        frame.render_stateful_widget(MenuWidget, area, menu);
     } else if let Some(scroll) = &game.active_scroll {
-        let area = frame.area();
         frame.render_stateful_widget(ScrollOverlayWidget::new(&scroll.lines), area, &mut ui.overlay);
     }
 }

kiln-tui/src/menu.rs

@@ -0,0 +1,256 @@
+//! In-game menu overlay: [`MenuItem`], [`MenuState`], animations, and the pause menu definition.
+//!
+//! Menus share the same [`Animation`](crate::animation::Animation) pipeline and overlay-frame
+//! rendering as scroll overlays, but use a blue color scheme and a shorter fixed height.
+//! Item actions are stored as `Rc<dyn Fn>` so they can be cheaply cloned without duplicating
+//! the closure body — this lets [`handle_menu_input`](crate::input::handle_menu_input) clone
+//! the action reference before releasing the borrow on [`Ui`](crate::ui::Ui).
+
+use std::rc::Rc;
+use kiln_core::game::GameState;
+use ratatui::buffer::Buffer;
+use ratatui::layout::{Constraint, Layout, Rect};
+use ratatui::style::{Color, Style};
+use ratatui::text::{Line, Span};
+use ratatui::widgets::{
+    Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState, StatefulWidget,
+};
+use crate::animation::{Animation, AnimationLayer};
+use crate::input::InputMode;
+use crate::overlay::{OverlayStyle, render_overlay_frame};
+use crate::ui::Ui;
+
+/// Shared-ownership reference to a menu item action closure.
+pub(crate) type ActionRc = Rc<dyn Fn(&mut GameState, &mut Ui)>;
+
+/// Duration of the menu open/close animations, in seconds.
+const ANIM_SECS: f32 = 0.25;
+
+/// Visual style for menus: cool blue on dark navy.
+const MENU_STYLE: OverlayStyle = OverlayStyle {
+    bg: Color::Rgb(10, 15, 35),
+    border_fg: Color::Rgb(80, 130, 210),
+    width_div: 2,
+    height_fraction: 1.0 / 3.0,
+};
+
+/// A key binding that activates a [`MenuItem`].
+#[derive(Clone, PartialEq, Debug)]
+pub enum MenuKey {
+    /// A single character key.
+    Char(char),
+    /// The Escape key.
+    Esc,
+}
+
+/// A single entry in a menu overlay.
+///
+/// The `action` closure is stored behind `Rc` so cloning a `MenuItem` shares the
+/// closure rather than copying it, keeping [`MenuState`] cheap to snapshot for
+/// the close animation.
+pub struct MenuItem {
+    /// The key the player presses to activate this item.
+    pub key: MenuKey,
+    /// Display label shown in the menu.
+    pub label: String,
+    /// Called when the player presses `key`. Typically calls
+    /// [`Ui::begin_close_menu`] and/or sets [`Ui::should_quit`].
+    action: ActionRc,
+}
+
+impl MenuItem {
+    /// Creates a menu item with the given key, label, and action closure.
+    pub fn new(
+        key: MenuKey,
+        label: impl Into<String>,
+        action: impl Fn(&mut GameState, &mut Ui) + 'static,
+    ) -> Self {
+        Self { key, label: label.into(), action: Rc::new(action) }
+    }
+
+    /// Returns a cloned `Rc` to the action closure so the caller can release any
+    /// immutable borrow on the item collection before invoking the action.
+    pub fn action_rc(&self) -> ActionRc {
+        Rc::clone(&self.action)
+    }
+
+    /// Invokes an already-cloned action `Rc`. The caller must have released any
+    /// borrow of [`Ui`] before calling this.
+    pub fn call_action_rc(action: ActionRc, game: &mut GameState, ui: &mut Ui) {
+        action(game, ui);
+    }
+}
+
+impl Clone for MenuItem {
+    fn clone(&self) -> Self {
+        Self {
+            key: self.key.clone(),
+            label: self.label.clone(),
+            action: Rc::clone(&self.action),
+        }
+    }
+}
+
+/// Persistent state for an active menu overlay.
+#[derive(Default)]
+pub struct MenuState {
+    /// The items shown in the menu.
+    pub items: Vec<MenuItem>,
+    /// Current scroll offset (input during render).
+    pub offset: u16,
+    /// Maximum valid scroll offset (output from render).
+    pub max_scroll: u16,
+}
+
+/// A ratatui [`StatefulWidget`] that draws the fully-open menu overlay.
+///
+/// Used in [`InputMode::Menu`](crate::input::InputMode::Menu) when no
+/// open/close animation is active. All data is read from [`MenuState`].
+pub struct MenuWidget;
+
+impl StatefulWidget for MenuWidget {
+    type State = MenuState;
+
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut MenuState) {
+        render_menu_at(&state.items, 1.0, state.offset, area, buf, Some(&mut state.max_scroll));
+    }
+}
+
+/// Opens a menu overlay with an animated reveal.
+///
+/// When complete, [`input_mode_after`](Animation::input_mode_after) returns
+/// [`InputMode::Menu`] so the player can interact with the overlay.
+pub struct MenuOpenAnimation {
+    items: Vec<MenuItem>,
+    progress: f32,
+}
+
+impl MenuOpenAnimation {
+    /// Creates a new open animation from a snapshot of the menu items.
+    pub fn new(items: Vec<MenuItem>) -> Self {
+        Self { items, progress: 0.0 }
+    }
+}
+
+impl Animation for MenuOpenAnimation {
+    fn update(&mut self, dt: f32) -> bool {
+        self.progress += dt / ANIM_SECS;
+        self.progress >= 1.0
+    }
+
+    fn draw(&self, area: Rect, buf: &mut Buffer) {
+        render_menu_at(&self.items, self.progress.clamp(0.0, 1.0), 0, area, buf, None);
+    }
+
+    fn layer(&self) -> AnimationLayer { AnimationLayer::Overlay }
+
+    fn input_mode_after(&self) -> InputMode { InputMode::Menu }
+}
+
+/// Closes a menu overlay with an animated collapse.
+///
+/// When complete, [`input_mode_after`](Animation::input_mode_after) returns
+/// [`InputMode::Board`] and [`MenuState`] is cleared by [`Ui::tick`].
+pub struct MenuCloseAnimation {
+    items: Vec<MenuItem>,
+    progress: f32,
+}
+
+impl MenuCloseAnimation {
+    /// Creates a new close animation from a snapshot of the menu items.
+    pub fn new(items: Vec<MenuItem>) -> Self {
+        Self { items, progress: 1.0 }
+    }
+}
+
+impl Animation for MenuCloseAnimation {
+    fn update(&mut self, dt: f32) -> bool {
+        self.progress -= dt / ANIM_SECS;
+        self.progress <= 0.0
+    }
+
+    fn draw(&self, area: Rect, buf: &mut Buffer) {
+        render_menu_at(&self.items, self.progress.clamp(0.0, 1.0), 0, area, buf, None);
+    }
+
+    fn layer(&self) -> AnimationLayer { AnimationLayer::Overlay }
+
+    fn input_mode_after(&self) -> InputMode { InputMode::Board }
+}
+
+/// Renders the menu overlay at a given animation progress.
+///
+/// Uses [`render_overlay_frame`] for the window/dimming/border, then fills
+/// the content area with one line per item (`[key] label`). When `out_max_scroll`
+/// is `Some`, writes the maximum valid scroll offset for input clamping.
+fn render_menu_at(
+    items: &[MenuItem],
+    progress: f32,
+    offset: u16,
+    area: Rect,
+    buf: &mut Buffer,
+    out_max_scroll: Option<&mut u16>,
+) {
+    let Some((content_area, scrollbar_area)) =
+        render_overlay_frame(&MENU_STYLE, progress, area, buf)
+    else {
+        if let Some(m) = out_max_scroll { *m = 0; }
+        return;
+    };
+
+    let key_style   = Style::default().fg(Color::Rgb(150, 200, 255)).bg(MENU_STYLE.bg);
+    let label_style = Style::default().fg(Color::White).bg(MENU_STYLE.bg);
+
+    let lines: Vec<Line> = items.iter().map(|item| {
+        let key_text = match &item.key {
+            MenuKey::Char(c) => format!("[{c}] "),
+            MenuKey::Esc     => "[esc] ".to_string(),
+        };
+        Line::from(vec![
+            Span::styled(key_text, key_style),
+            Span::styled(item.label.clone(), label_style),
+        ])
+    }).collect();
+
+    let content_lines = lines.len() as u16;
+    let max_scroll = content_lines.saturating_sub(content_area.height);
+    let clamped = offset.min(max_scroll);
+
+    // Each menu item is exactly one line — no word-wrap needed.
+    let para = Paragraph::new(lines).scroll((clamped, 0));
+
+    // Center items vertically when there are fewer items than the window height.
+    let pad = content_area.height.saturating_sub(content_lines) / 2;
+    let [_, content_rect, _] = Layout::vertical([
+        Constraint::Length(pad),
+        Constraint::Length(content_lines.min(content_area.height)),
+        Constraint::Fill(1),
+    ]).areas(content_area);
+    use ratatui::widgets::Widget;
+    para.render(content_rect, buf);
+
+    if content_lines > content_area.height {
+        let mut sb_state = ScrollbarState::new((max_scroll + 1) as usize)
+            .position(clamped as usize);
+        Scrollbar::new(ScrollbarOrientation::VerticalRight)
+            .render(scrollbar_area, buf, &mut sb_state);
+    }
+
+    if let Some(m) = out_max_scroll { *m = max_scroll; }
+}
+
+/// Returns the items for the standard pause menu.
+///
+/// Pressing `q` marks [`Ui::should_quit`] and starts the close animation.
+/// Pressing `Esc` closes the menu without quitting.
+pub fn pause_menu_items() -> Vec<MenuItem> {
+    vec![
+        MenuItem::new(MenuKey::Char('q'), "Quit game", |_g, ui| {
+            ui.should_quit = true;
+            ui.begin_close_menu();
+        }),
+        MenuItem::new(MenuKey::Esc, "Close menu", |_g, ui| {
+            ui.begin_close_menu();
+        }),
+    ]
+}

kiln-tui/src/overlay.rs

@@ -0,0 +1,73 @@
+//! Shared window-frame rendering for full-screen overlays (scrolls, menus).
+//!
+//! [`render_overlay_frame`] handles background dimming, window sizing and
+//! centering, animated height, and the bordered block. Callers fill the
+//! returned content area with their own content.
+
+use ratatui::buffer::Buffer;
+use ratatui::layout::{Constraint, Layout, Rect};
+use ratatui::style::{Color, Style};
+use ratatui::widgets::{Block, Fill, Widget};
+
+/// Visual parameters for an animated overlay window.
+///
+/// All fields are `Copy` types so this can be a `const`.
+pub(crate) struct OverlayStyle {
+    /// Solid background color filling the window interior.
+    pub bg: Color,
+    /// Foreground (border line) color.
+    pub border_fg: Color,
+    /// `outer_w = screen_width / width_div`. Use `2` for half-screen.
+    pub width_div: u16,
+    /// `outer_h = (screen_height * height_fraction) as u16`, forced even.
+    pub height_fraction: f32,
+}
+
+/// Dims the background, sizes and positions the animated window, fills it,
+/// renders the bordered block, and returns `(content_rect, scrollbar_rect)`.
+///
+/// `progress` is 0.0 (invisible) → 1.0 (fully open). Height is animated
+/// proportionally, always kept even so it expands by exactly 2 rows at a time
+/// from the center. Returns `None` when `progress ≤ 0`.
+pub(crate) fn render_overlay_frame(
+    style: &OverlayStyle,
+    progress: f32,
+    area: Rect,
+    buf: &mut Buffer,
+) -> Option<(Rect, Rect)> {
+    if progress <= 0.0 { return None; }
+
+    let outer_w = area.width / style.width_div;
+    let outer_h = (area.height as f32 * style.height_fraction) as u16 & !1;
+    // Animate height: keep it even at every intermediate frame.
+    let actual_h = ((outer_h as f32 * progress).round() as u16 & !1).max(2);
+
+    let left = area.x + area.width.saturating_sub(outer_w) / 2;
+    let top  = area.y + area.height.saturating_sub(actual_h) / 2;
+    let overlay_rect = Rect { x: left, y: top, width: outer_w, height: actual_h };
+
+    // Dim all background cells so board/game content doesn't show through.
+    let dim_style = Style::default().fg(Color::Rgb(60, 60, 60)).bg(Color::Black);
+    for y in area.top()..area.bottom() {
+        for x in area.left()..area.right() {
+            if let Some(cell) = buf.cell_mut((x, y)) {
+                cell.set_style(dim_style);
+            }
+        }
+    }
+    Fill::new(" ").style(Style::default().bg(style.bg)).render(overlay_rect, buf);
+
+    let block = Block::bordered()
+        .border_style(Style::default().fg(style.border_fg).bg(style.bg))
+        .style(Style::default().bg(style.bg));
+    let inner = block.inner(overlay_rect);
+    block.render(overlay_rect, buf);
+
+    // Split inner into content (left) and scrollbar column (right).
+    let [content_rect, scrollbar_rect] = Layout::horizontal([
+        Constraint::Min(0),
+        Constraint::Length(1),
+    ]).areas(inner);
+
+    Some((content_rect, scrollbar_rect))
+}

kiln-tui/src/scroll_overlay.rs

@@ -11,15 +11,23 @@ use ratatui::layout::{Constraint, Layout, Rect};
 use ratatui::style::{Color, Style};
 use ratatui::text::{Line, Span};
 use ratatui::widgets::{
-    Block, Fill, Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState, StatefulWidget,
+    Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState, StatefulWidget, Widget, Wrap,
-    Widget, Wrap,
 };
 use crate::animation::{Animation, AnimationLayer};
 use crate::input::InputMode;
+use crate::overlay::{OverlayStyle, render_overlay_frame};
 
 /// Duration of the open and close animations, in seconds.
 const ANIM_SECS: f32 = 0.25;
 
+/// Visual style for scroll overlays: warm amber on dark background.
+const SCROLL_STYLE: OverlayStyle = OverlayStyle {
+    bg: Color::Rgb(30, 25, 10),
+    border_fg: Color::Rgb(180, 160, 100),
+    width_div: 2,
+    height_fraction: 0.75,
+};
+
 /// State threaded through a [`ScrollOverlayWidget`] render call.
 #[derive(Default)]
 pub struct ScrollOverlayState {
@@ -123,12 +131,11 @@ impl Animation for ScrollCloseAnimation {
     fn input_mode_after(&self) -> InputMode { InputMode::Board }
 }
 
-/// Shared rendering for the scroll overlay at a given animation progress.
+/// Renders the scroll overlay at a given animation progress using the shared
+/// overlay frame, then fills the content area with the scroll lines.
 ///
-/// `progress` is 0.0 (invisible) → 1.0 (fully open); the window height is
+/// When `state` is `Some`, `max_scroll` is written out so the caller can clamp
-/// animated proportionally, always kept even so it expands symmetrically.
+/// future scroll-input (only needed when fully open and interactive).
-/// When `state` is `Some`, `max_scroll` is written out for scroll-input clamping
-/// (only needed when fully open and interactive).
 fn render_scroll_at(
     lines: &[ScrollLine],
     progress: f32,
@@ -136,31 +143,18 @@ fn render_scroll_at(
     buf: &mut Buffer,
     state: Option<&mut ScrollOverlayState>,
 ) {
-    if progress <= 0.0 {
+    let Some((content_area, scrollbar_area)) =
+        render_overlay_frame(&SCROLL_STYLE, progress, area, buf)
+    else {
         if let Some(s) = state { s.max_scroll = 0; }
         return;
-    }
+    };
 
-    let bg           = Color::Rgb(30, 25, 10);
+    let text_style   = Style::default().fg(Color::White).bg(SCROLL_STYLE.bg);
-    let text_style   = Style::default().fg(Color::White).bg(bg);
+    let key_style    = Style::default().fg(Color::Yellow).bg(SCROLL_STYLE.bg);
-    let key_style    = Style::default().fg(Color::Yellow).bg(bg);
+    let choice_style = Style::default().fg(Color::Rgb(200, 200, 100)).bg(SCROLL_STYLE.bg);
-    let choice_style = Style::default().fg(Color::Rgb(200, 200, 100)).bg(bg);
-    let border_style = Style::default().fg(Color::Rgb(180, 160, 100)).bg(bg);
 
-    // Fixed proportional sizing. Height is forced even so each animation step
+    // Build Lines — whitespace-leading lines are centered, others left-aligned.
-    // expands the window by exactly 2 rows (one on each side from the center).
-    let outer_w = area.width / 2;
-    let outer_h = (area.height * 3 / 4) & !1;
-
-    // Animate height: keep it even at every intermediate frame.
-    let actual_h = ((outer_h as f32 * progress).round() as u16 & !1).max(2);
-
-    let left = area.x + area.width.saturating_sub(outer_w) / 2;
-    let top  = area.y + area.height.saturating_sub(actual_h) / 2;
-    let overlay_rect = Rect { x: left, y: top, width: outer_w, height: actual_h };
-
-    // Build Lines without pre-wrapping — Paragraph handles wrapping at render time.
-    // Lines whose source starts with whitespace are stripped and centered; others are left-aligned.
     let mut ratatui_lines: Vec<Line> = Vec::new();
     let mut choice_letter = b'a';
     for item in lines {
@@ -185,27 +179,6 @@ fn render_scroll_at(
         }
     }
 
-    // Dim the whole background so board glyphs don't show through.
-    let dim_style = Style::default().fg(Color::Rgb(60, 60, 60)).bg(Color::Black);
-    for y in area.top()..area.bottom() {
-        for x in area.left()..area.right() {
-            if let Some(cell) = buf.cell_mut((x, y)) {
-                cell.set_style(dim_style);
-            }
-        }
-    }
-    Fill::new(" ").style(Style::default().bg(bg)).render(overlay_rect, buf);
-
-    let block = Block::bordered().border_style(border_style).style(Style::default().bg(bg));
-    let inner = block.inner(overlay_rect);
-    block.render(overlay_rect, buf);
-
-    let [content_area, scrollbar_area] = Layout::horizontal([
-        Constraint::Min(0),
-        Constraint::Length(1),
-    ]).areas(inner);
-
-    // Measure wrapped content height, clamp scroll offset.
     let offset = state.as_ref().map(|s| s.offset).unwrap_or(0);
     let para = Paragraph::new(ratatui_lines).wrap(Wrap { trim: false });
     let content_lines = para.line_count(content_area.width) as u16;

kiln-tui/src/ui.rs

@@ -5,13 +5,14 @@ use kiln_core::Board;
 use kiln_core::game::GameState;
 use crate::animation::Animation;
 use crate::log::LogState;
+use crate::menu::{MenuItem, MenuCloseAnimation, MenuOpenAnimation, MenuState};
 use crate::scroll_overlay::{ScrollCloseAnimation, ScrollOpenAnimation, ScrollOverlayState};
 use crate::transition::TransitionAnimation;
 
 /// A pair of board `Rc`s (old board, new board) queued for transition pre-rendering.
 type PendingTransition = Option<(Rc<RefCell<Board>>, Rc<RefCell<Board>>)>;
 
-/// View-only UI state for the log panel, scroll overlay, and board animations.
+/// View-only UI state for the log panel, scroll overlay, menu, and board animations.
 /// Presentation-only state; lives in the front-end, not on [`GameState`].
 pub(crate) struct Ui {
     /// State for the log panel (open/closed, height, scroll position).
@@ -23,6 +24,11 @@ pub(crate) struct Ui {
     pub(crate) pending_transition: PendingTransition,
     /// The currently running animation, if any. All input is suppressed while `Some`.
     pub(crate) active_animation: Option<Box<dyn Animation>>,
+    /// State for the active menu overlay. `Some` while the menu is open or closing.
+    pub(crate) menu: Option<MenuState>,
+    /// Set by a menu action to signal that the game loop should exit after the
+    /// close animation finishes.
+    pub(crate) should_quit: bool,
 }
 
 impl Default for Ui {
@@ -32,38 +38,62 @@ impl Default for Ui {
             overlay: ScrollOverlayState::default(),
             pending_transition: None,
             active_animation: None,
+            menu: None,
+            should_quit: false,
         }
     }
 }
 
 impl Ui {
-    /// Scrolls the overlay by `delta` lines, clamped to the valid range.
+    /// Scrolls the scroll overlay by `delta` lines, clamped to the valid range.
     pub(crate) fn scroll_lines(&mut self, delta: i32) {
         self.overlay.offset = (self.overlay.offset as i32 + delta)
             .clamp(0, self.overlay.max_scroll as i32) as u16;
     }
 
+    /// Scrolls the menu overlay by `delta` lines, clamped to the valid range.
+    pub(crate) fn scroll_menu(&mut self, delta: i32) {
+        if let Some(m) = self.menu.as_mut() {
+            m.offset = (m.offset as i32 + delta).clamp(0, m.max_scroll as i32) as u16;
+        }
+    }
+
+    /// Opens a menu: stores the items as [`MenuState`] and starts the open animation.
+    pub(crate) fn open_menu(&mut self, items: Vec<MenuItem>) {
+        self.active_animation = Some(Box::new(MenuOpenAnimation::new(items.clone())));
+        self.menu = Some(MenuState { items, ..Default::default() });
+    }
+
+    /// Starts the close animation using a snapshot of the current menu items.
+    ///
+    /// Called from within a menu item's action closure (e.g. `ui.begin_close_menu()`).
+    pub(crate) fn begin_close_menu(&mut self) {
+        let items = self.menu.as_ref().map(|m| m.items.clone()).unwrap_or_default();
+        self.active_animation = Some(Box::new(MenuCloseAnimation::new(items)));
+    }
+
     /// Advances all time-driven UI state by `dt` and drives the game tick.
     ///
     /// While any animation is running, `game.tick` is suppressed. When an
     /// animation finishes, [`input_mode_after`](Animation::input_mode_after) is
     /// consulted: returning to [`Board`](crate::input::InputMode::Board) mode
-    /// immediately calls [`handle_scroll`](GameState::handle_scroll) so the
+    /// eagerly calls [`handle_scroll`](GameState::handle_scroll) to clear any
-    /// closed overlay is cleared before the next draw rather than flickering open
+    /// pending scroll, and clears [`menu`](Ui::menu) so the closed overlay is not
-    /// for one extra frame.
+    /// rendered on the next frame.
     pub(crate) fn tick(&mut self, dt: Duration, game: &mut GameState) {
         // Advance the active animation; on completion, dispatch any mode-change effect.
         if let Some(ref mut anim) = self.active_animation {
             if anim.update(dt.as_secs_f32()) {
                 let mode = anim.input_mode_after();
                 self.active_animation = None;
-                // Returning to Board mode: eagerly close any scroll so it isn't
+                // Returning to Board mode: eagerly clear scroll and menu state so
-                // rendered as open on the next frame before the game tick runs.
+                // neither renders as open for one extra frame before the game tick.
                 if matches!(mode, crate::input::InputMode::Board) {
                     game.handle_scroll();
+                    self.menu = None;
                 }
             }
-            return; // no game tick during any animation (even when animation just ended)
+            return; // no game tick during any animation (even when just ended)
         }
 
         // Normal path: tick the game, then check if a scroll appeared.
@@ -76,8 +106,7 @@ impl Ui {
 
     /// Sets the player's scroll choice and starts the close animation.
     ///
-    /// `choice` is `None` when the player dismisses without selecting; it is
+    /// `choice` is `None` when the player dismisses without selecting.
-    /// stored on the active scroll and dispatched by the engine on the next tick.
     pub(crate) fn begin_close(&mut self, choice: Option<String>, game: &mut GameState) {
         if let Some(scroll) = game.active_scroll.as_mut() {
             scroll.choice = choice;