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//
// Implements the NHW_MENU window type for displaying menus and getting
// user selections. Matches C's tty_add_menu/tty_end_menu/process_menu_window
// rendering: "c - text" format, offx-based corner positioning, ATR_INVERSE
// prompt, and "(end)" morestr.
//
// C refs: wintty.c tty_add_menu(), tty_end_menu(), process_menu_window()
import { game } from './gstate.js';
import { isStartupPromptPhase, nhgetch, getlin } from './input.js';
import { enterModal, exitModal } from './modal_guard.js';
import { ATR_INVERSE, ATR_NONE, CLR_GRAY, NO_COLOR } from './terminal.js';
import {
PICK_NONE, PICK_ONE, PICK_ANY,
MENU_FIRST_PAGE, MENU_LAST_PAGE, MENU_NEXT_PAGE, MENU_PREVIOUS_PAGE,
MENU_SELECT_ALL, MENU_UNSELECT_ALL, MENU_INVERT_ALL,
MENU_SELECT_PAGE, MENU_UNSELECT_PAGE, MENU_INVERT_PAGE,
MENU_ITEMFLAGS_SKIPINVERT,
} from './const.js';
import { TOPLINE_NEED_MORE } from './const.js';
import { pushRngLogEntry } from './rng.js';
import { bot, docorner, docrt, docrt_cls, erase_menu_or_text, flush_screen, NHW_MENU, NHW_TEXT, render_screen_output_to_display, setBotlx, tty_clear_nhwindow, tty_create_nhwindow, tty_destroy_nhwindow, tty_dismiss_nhwindow, tty_display_nhwindow } from './display.js';
export { NHW_TEXT };
const MENU_SEARCH = ':'.charCodeAt(0); // C ref: wintype.h MENU_SEARCH
// ── Menu data structures ──
// Mirrors C's tty_menu_item and WinDesc fields for NHW_MENU.
/**
* Create a new menu window.
* C ref: tty_create_nhwindow(NHW_MENU)
*/
export function create_nhwindow_menu(type = NHW_MENU, existingWinId = null) {
// C ref: create_nhwindow(NHW_MENU or NHW_TEXT) allocates a game.wins[] slot.
// For cached pickinv windows we can reactivate an existing slot.
const winId = (existingWinId != null && existingWinId >= 0 && game.wins[existingWinId])
? existingWinId
: tty_create_nhwindow(type);
if (game.wins[winId]) game.wins[winId].active = true;
return {
winId, // window ID in game.wins[] array (for tty_dismiss events)
type, // NHW_MENU or NHW_TEXT
items: [], // tty_menu_item list (in add order, reversed by end_menu)
pages: [],
prompt: null, // set by end_menu
morestr: null, // "(end) " or "(X of Y)"
cols: 0, // widest item + 2
rows: 0, // total items + 1 (for morestr)
npages: 0,
maxrow: 0,
offx: 0, // horizontal offset on terminal
offy: 0,
how: PICK_NONE,
finalized: false,
};
}
/**
* Initialize a menu for adding items.
* C ref: tty_start_menu()
*/
export function start_menu(menu) {
menu.items = [];
menu.prompt = null;
menu.finalized = false;
}
/**
* Add a menu item.
* C ref: tty_add_menu() — prepends "c - " for selectable items.
*
* @param {object} menu - Menu window
* @param {*} identifier - What to return if selected (null = non-selectable)
* @param {string} accelerator - Selector letter (0 or '' = auto-assign)
* @param {number} groupacc - Group accelerator (0 = none)
* @param {number} attr - Attribute (ATR_INVERSE, ATR_BOLD, etc.)
* @param {number} color - Color constant
* @param {string} str - Item text
* @param {number} itemflags - MENU_ITEMFLAGS_SELECTED etc.
*/
export function add_menu(menu, identifier, accelerator, groupacc, attr, color, str, itemflags = 0) {
let itemStr;
if (identifier) {
// C: Sprintf(buf, "%c - ", ch ? ch : '?');
const ch = accelerator || '?';
itemStr = `${ch} - ${str}`;
} else {
itemStr = str;
}
const item = {
identifier,
selector: accelerator || 0,
gselector: groupacc || 0,
attr: attr || ATR_NONE,
color: (color != null && color !== NO_COLOR) ? color : NO_COLOR,
str: itemStr,
selected: !!(itemflags & 1), // MENU_ITEMFLAGS_SELECTED = 1
count: -1,
};
// C: prepend to list (tty_add_menu appends to head)
menu.items.push(item);
}
// add_valid_menu_class canonical in pickup.js (C ref: pickup.c).
// The old TODO stub here had zero importers.
/**
* Add a non-selectable text line to the menu.
* C ref: add_menu_str() macro → add_menu with null identifier.
*/
export function add_menu_str(menu, str) {
add_menu(menu, null, 0, 0, ATR_NONE, NO_COLOR, str, 0);
}
// C ref: add_menu_heading() — non-selectable heading with heading style.
export function add_menu_heading(menu, str) {
add_menu(menu, null, 0, 0, ATR_INVERSE, NO_COLOR, str, 0);
}
/**
* Finalize the menu: reverse items, add prompt, calculate layout.
* C ref: tty_end_menu()
*/
export function end_menu(menu, prompt) {
// C: Reverse the list so items are in original add order.
// (In C, items are prepended; we pushed, so they're already in order.
// But end_menu then prepends prompt items, which means prompt goes first.)
// C: add empty line + prompt at the beginning
// tty_end_menu calls tty_add_menu twice (prepending): first empty, then prompt.
// After prepend, order is: prompt, empty, ...items...
const promptItems = [];
if (prompt) {
// C: tty_menu_promptstyle = { NO_COLOR, ATR_INVERSE } (default)
// iflags.menu_headings.attr = ATR_INVERSE by default
promptItems.push({
identifier: null,
selector: 0,
gselector: 0,
attr: ATR_INVERSE,
color: NO_COLOR,
str: prompt,
selected: false,
count: -1,
});
promptItems.push({
identifier: null,
selector: 0,
gselector: 0,
attr: ATR_NONE,
color: NO_COLOR,
str: '',
selected: false,
count: -1,
});
}
menu.items = [...promptItems, ...menu.items];
menu.prompt = prompt;
const display = game?.nhDisplay || null;
const displayRows = display?.rows || 24;
const linesPerPage = Math.min(52, Math.max(1, displayRows - 1));
// C ref: tty_end_menu (wintty.c:2889-2898) — assign selectors.
// C's tty_add_menu prepends "? - " when identifier is set but selector
// is 0. tty_end_menu overwrites str[0] (the '?') with the assigned
// letter. JS's add_menu does the same "? - " prepend, so here we
// overwrite the first char rather than prepending again.
let menuCh = 'a';
for (let i = 0; i < menu.items.length; i++) {
if ((i % linesPerPage) === 0) {
menuCh = 'a';
}
const item = menu.items[i];
if (item.identifier && !item.selector) {
item.selector = menuCh;
// C: curr->str[0] = curr->selector = menu_ch;
// Overwrite the '?' placeholder, don't prepend again
item.str = menuCh + item.str.substring(1);
menuCh = (menuCh === 'z') ? 'A' : String.fromCharCode(menuCh.charCodeAt(0) + 1);
}
}
menu.pages = [];
menu.npages = Math.ceil(menu.items.length / linesPerPage);
for (let page = 0; page < menu.npages; page++) {
const start = page * linesPerPage;
const end = Math.min(start + linesPerPage, menu.items.length);
menu.pages.push({
start,
end,
items: menu.items.slice(start, end),
});
}
// C ref: wintty.c tty_end_menu/process_text_window:
// - normal NHW_MENU items reserve one leading and one trailing space (+2)
// - specific putstr-on-NHW_MENU prompts can use one leading space (+1)
menu.cols = 0;
for (const item of menu.items) {
const len = item.str.length + (menu.putstrLikeWidth ? 1 : 2);
if (len > menu.cols) menu.cols = len;
}
menu.morestr = (menu.npages > 1) ? '' : '(end) ';
if (menu.textLikePrompt) {
menu.morestr = '--More--';
}
const sampleMoreStr = (menu.npages > 1)
? `(${menu.npages} of ${menu.npages})`
: menu.morestr;
if (sampleMoreStr.length > menu.cols) {
menu.cols = sampleMoreStr.length;
}
// C ref: NHW_MENU: maxrow = nitems + 1 (for morestr/end prompt)
// C ref: NHW_TEXT: maxrow = line count (no +1; process_text_window uses
// cw->data directly, with maxrow = total items, not per-page)
const isTextWindow = !!menu.forceOffx0;
if (isTextWindow) {
// C ref: wintty.c:2581-2582 — NHW_TEXT: maxrow tracks total putstr
// count (not paginated). Text windows use scrollable fullscreen display.
menu.rows = menu.items.length;
} else if (menu.textLikePrompt) {
// C putstr-on-NHW_MENU path (used by disclosure windows) tracks
// maxrow as text line count and still uses a "--More--" prompt row.
menu.rows = menu.items.length;
} else {
menu.rows = (menu.npages > 1 ? linesPerPage : menu.items.length) + 1;
}
menu.maxrow = menu.rows;
menu.finalized = true;
}
/**
* Display the menu and get user selection.
* C ref: tty_select_menu() → process_menu_window()
*
* @param {object} menu - Finalized menu window
* @param {number} how - PICK_NONE, PICK_ONE, or PICK_ANY
* @returns {Promise<{count: number, items: Array}>}
* count: -1 = ESC, 0 = no selection, >0 = number of selected items
* items: [{identifier, count}] for each selected item
*/
export async function select_menu(menu, how) {
if (!menu.finalized) {
throw new Error('select_menu: menu not finalized (call end_menu first)');
}
menu.how = how;
const display = game?.nhDisplay || null;
const cols = display?.cols || 80;
const inventoryDisplayOnly = (menu.displayOnly != null)
? !!menu.displayOnly
: (how === PICK_NONE && !menu.prompt);
const startupOverlay = isStartupPromptPhase();
let selectedByLetter = false;
let currentPage = 0;
const oldBotDisabled = !!game?.bot_disabled;
if (game) {
game.bot_disabled = true;
}
try {
// C ref: wintty.c:1906-1917 (H2344_BROKEN path)
// offx = min(min(82, cols/2), cols - maxcol - 1) for NHW_MENU
// offx = 0 for NHW_TEXT (text windows use full width)
if (Number.isInteger(menu.fixedOffx)) {
menu.offx = menu.fixedOffx;
} else if (menu.forceOffx0) {
menu.offx = 0;
} else {
menu.offx = Math.min(
Math.min(82, Math.trunc(cols / 2)),
cols - menu.cols - 1
);
if (menu.offx < 0) menu.offx = 0;
}
// C ref: wintty.c:1922-1935 (H2344_BROKEN path)
// Fullscreen if maxrow >= rows OR !menu_overlay
// NHW_TEXT (forceOffx0) with offx=0: C clears all rows via cl_end
const fullscreen = menu.forceOffx0
|| menu.maxrow >= (display?.rows || 24);
const renderCurrentPage = async () => {
const pageItems = menu.pages[currentPage]?.items || menu.items;
const moreStr = menu.textLikePrompt
? '--More--'
: (menu.npages > 1
? `(${currentPage + 1} of ${menu.npages})`
: menu.morestr);
if (fullscreen) {
for (let r = 0; r < (display.rows || 24); r++) {
display.clearRow(r);
}
menu.offx = 0;
} else {
// C ref: wintty.c:2088-2090 — non-fullscreen menu clears message.
// C calls tty_clear_nhwindow(WIN_MESSAGE) to clear the message row
// and reset toplin. Then the menu overlay is painted on top of
// the existing map content.
if (game.level) {
await tty_clear_nhwindow('message');
// Most overlay menus repaint map+status background.
// Some menu-on-menu flows (for example option submenus)
// keep the existing screen content instead.
if (!menu.skipOverlayBackdropRedraw) {
// captureOnly=true avoids emitting ^botlx[docrt_flags].
await docrt(false, true);
render_screen_output_to_display(display);
}
} else if (display.toplin) {
display.toplin = 0;
game._pending_message = '';
}
}
renderMenuToGrid(menu, display, pageItems, moreStr);
const moreLine = menu.forceOffx0
? (menu.forceOffx0PromptAtPageEnd
? pageItems.length
: (display.rows || 24) - 1)
: pageItems.length;
// C: dmore offset 1 for NHW_TEXT (col 0), 2 for NHW_MENU (col 1)
// forceOffx0PromptLeadingBlank=true for NHW_MENU fullscreen (death enlightenment)
const moreOffset = (menu.type === NHW_TEXT) ? 0
: (menu.forceOffx0PromptLeadingBlank ? 1 : 0);
const moreCol = menu.forceOffx0
? moreOffset + '--More--'.length
: menu.offx + 1 + moreStr.length;
if (typeof display.setCursor === 'function') {
display.setCursor(moreCol, moreLine);
}
};
if (display?.grid) {
const willDisplayMessageFirst = !!(menu.forceOffx0 && menu.preDisplayMessage);
const willDisplayMenuWindow = !willDisplayMessageFirst
&& !startupOverlay
&& (!inventoryDisplayOnly || fullscreen);
if (!willDisplayMessageFirst
&& !willDisplayMenuWindow
&& display.toplin === TOPLINE_NEED_MORE) {
await tty_display_nhwindow('message', true);
}
// C-shaped NHW_TEXT open: clear message/topline state without
// WIN_MENU fullscreen clear pair, then render the text window.
if (willDisplayMessageFirst) {
await tty_display_nhwindow('message', false);
} else if (willDisplayMenuWindow) {
await tty_display_nhwindow('menu', false,
{ maxcol: menu.cols, maxrow: menu.maxrow });
}
await renderCurrentPage();
// Set flag so docrt() preserves the grid during nhgetch
game._menuActive = true;
game._activeMenu = menu;
}
enterModal('menu');
// C ref: process_menu_window count-prefix state
let counting = false;
let count = 0;
let reset_count = false;
try {
while (true) {
// C ref: reset_count logic at top of loop
if (reset_count) {
counting = false;
count = 0;
} else {
reset_count = true;
}
const pageItems = menu.pages[currentPage]?.items || menu.items;
const selectors = new Set();
for (const item of pageItems) {
if (item.identifier && item.selector) {
selectors.add(typeof item.selector === 'string'
? item.selector.charCodeAt(0) : item.selector);
}
}
if (menu.logSelectionNhgetch) {
pushRngLogEntry('^toplin[tty_nhgetch]');
}
const ch = await nhgetch();
// ESC → cancel
if (ch === 27) {
return { count: -1, items: [] };
}
// C ref: digit handling for count prefix
if (ch >= 0x30 && ch <= 0x39 && how !== PICK_NONE) {
const dgt = ch - 0x30;
count = count * 10 + dgt;
if (count !== 0) {
counting = true;
reset_count = false;
}
continue;
}
const skipInvert = (item) => (item.itemflags & MENU_ITEMFLAGS_SKIPINVERT) !== 0;
const setItemCell = (item) => {
if (!display?.setCell) return;
const visibleItems = menu.pages[currentPage]?.items || menu.items;
const itemIdx = visibleItems.indexOf(item);
if (itemIdx < 0) return;
const selCh = item.selected ? (item.count === -1 ? '+' : '#') : '-';
const textIndent = menu.forceOffx0 ? 0 : 1;
display.setCell(menu.offx + textIndent + 2, itemIdx, selCh, CLR_GRAY, 0);
};
const selectPage = () => {
if (how !== PICK_ANY) return;
for (const item of pageItems) {
if (!item.identifier || item.selected || skipInvert(item)) continue;
item.selected = true;
item.count = -1;
setItemCell(item);
}
};
const unselectPage = () => {
for (const item of pageItems) {
if (!item.identifier || !item.selected || skipInvert(item)) continue;
item.selected = false;
item.count = -1;
setItemCell(item);
}
};
const invertPage = () => {
if (how !== PICK_ANY) return;
for (const item of pageItems) {
if (!item.identifier || skipInvert(item)) continue;
item.selected = !item.selected;
if (!item.selected) item.count = -1;
setItemCell(item);
}
};
const selectAll = () => {
if (how !== PICK_ANY) return;
for (const item of menu.items) {
if (!item.identifier || item.selected || skipInvert(item)) continue;
item.selected = true;
item.count = -1;
setItemCell(item);
}
};
const unselectAll = () => {
for (const item of menu.items) {
if (!item.identifier || !item.selected || skipInvert(item)) continue;
item.selected = false;
item.count = -1;
setItemCell(item);
}
};
const invertAll = () => {
if (how !== PICK_ANY) return;
for (const item of menu.items) {
if (!item.identifier || skipInvert(item)) continue;
item.selected = !item.selected;
if (!item.selected) item.count = -1;
setItemCell(item);
}
};
if ((ch === 32 || ch === MENU_NEXT_PAGE.charCodeAt(0)) && menu.npages > 1 && currentPage !== menu.npages - 1) {
currentPage++;
if (display?.grid) {
if (fullscreen && !menu.suppressPageBotlx) {
// C ref: process_menu_window fullscreen page advance
// clears MAP/STATUS and emits two SET_BOTLX marks.
setBotlx('tty_clear_nhwindow');
setBotlx('tty_clear_nhwindow');
}
await renderCurrentPage();
}
continue;
}
if (ch === MENU_PREVIOUS_PAGE.charCodeAt(0) && menu.npages > 1 && currentPage !== 0) {
currentPage--;
if (display?.grid) {
if (fullscreen && !menu.suppressPageBotlx) {
setBotlx('tty_clear_nhwindow');
setBotlx('tty_clear_nhwindow');
}
await renderCurrentPage();
}
continue;
}
if (ch === MENU_FIRST_PAGE.charCodeAt(0) && menu.npages > 1 && currentPage !== 0) {
currentPage = 0;
if (display?.grid) await renderCurrentPage();
continue;
}
if (ch === MENU_LAST_PAGE.charCodeAt(0) && menu.npages > 1 && currentPage !== menu.npages - 1) {
currentPage = menu.npages - 1;
if (display?.grid) await renderCurrentPage();
continue;
}
if (ch === MENU_SELECT_PAGE.charCodeAt(0)) {
selectPage();
continue;
}
if (ch === MENU_UNSELECT_PAGE.charCodeAt(0)) {
unselectPage();
continue;
}
if (ch === MENU_INVERT_PAGE.charCodeAt(0)) {
invertPage();
continue;
}
if (ch === MENU_SELECT_ALL.charCodeAt(0)) {
selectAll();
continue;
}
if (ch === MENU_UNSELECT_ALL.charCodeAt(0) && how !== PICK_NONE) {
unselectAll();
continue;
}
if (ch === MENU_INVERT_ALL.charCodeAt(0)) {
invertAll();
continue;
}
// Check if it's a selector
if (selectors.has(ch)) {
const selected = pageItems.find(item => {
if (!item.identifier) return false;
const sel = typeof item.selector === 'string'
? item.selector.charCodeAt(0) : item.selector;
return sel === ch;
});
if (selected) {
if (how === PICK_ONE) {
// PICK_ONE: return immediately with this item
selectedByLetter = true;
return {
count: 1,
items: [{ identifier: selected.identifier, count: counting ? count : -1 }],
};
}
// PICK_ANY: toggle selection with count
// C ref: toggle_menu_curr logic
if (selected.selected) {
if (counting && count > 0) {
// Update count on already-selected item
selected.count = count;
} else {
// Deselect
selected.selected = false;
selected.count = -1;
}
} else {
if (counting && count === 0) {
// count prefix of 0 means no-op
} else {
selected.selected = true;
selected.count = counting ? count : -1;
}
}
// C ref: wintty.c:1181 set_item_state — update +/- indicator
if (display?.setCell) {
const pageItems = menu.pages[currentPage]?.items || menu.items;
const itemIdx = pageItems.indexOf(selected);
if (itemIdx >= 0) {
const selCh = selected.selected ? (selected.count === -1 ? '+' : '#') : '-';
const textIndent = menu.forceOffx0 ? 0 : 1;
display.setCell(menu.offx + textIndent + 2, itemIdx, selCh, CLR_GRAY, 0);
}
}
continue;
}
}
// C ref: process_menu_window group accelerators (gselector).
// These can select/toggle one or more matching entries.
const gmatches = menu.items.filter(item => {
if (!item.identifier || !item.gselector) return false;
const gsel = typeof item.gselector === 'string'
? item.gselector.charCodeAt(0) : item.gselector;
return gsel === ch;
});
if (gmatches.length > 0) {
if (how === PICK_ONE) {
const chosen = gmatches[0];
selectedByLetter = true;
return {
count: 1,
items: [{ identifier: chosen.identifier, count: counting ? count : -1 }],
};
}
if (how === PICK_ANY) {
for (const item of gmatches) {
if (item.selected) {
if (counting && count > 0) {
item.count = count;
} else {
item.selected = false;
item.count = -1;
}
} else if (!(counting && count === 0)) {
item.selected = true;
item.count = counting ? count : -1;
}
if (display?.setCell) {
const visibleItems = menu.pages[currentPage]?.items || menu.items;
const itemIdx = visibleItems.indexOf(item);
if (itemIdx >= 0) {
const selCh = item.selected ? (item.count === -1 ? '+' : '#') : '-';
const textIndent = menu.forceOffx0 ? 0 : 1;
display.setCell(menu.offx + textIndent + 2, itemIdx, selCh, CLR_GRAY, 0);
}
}
}
continue;
}
}
// C ref: MENU_SEARCH — ':' triggers search-and-select
// C ref: wintty.c process_menu_window case MENU_SEARCH
if (ch === MENU_SEARCH && how !== PICK_NONE) {
// Exit menu modal so getlin can enter its own modal
exitModal('menu');
let searchResult;
try {
searchResult = await getlin('Search for:', display, {
logHookedLifecycle: true,
});
} finally {
enterModal('menu');
}
if (searchResult && searchResult !== '\x1b') {
const pattern = searchResult.toLowerCase();
for (const item of menu.items) {
if (item.identifier && item.str &&
item.str.toLowerCase().includes(pattern)) {
if (how === PICK_ONE) {
return {
count: 1,
items: [{ identifier: item.identifier, count: -1 }],
};
}
// PICK_ANY: toggle selection
item.selected = !item.selected;
}
}
}
// C ref: process_menu_window keeps menu cursor ownership after
// getlin returns from MENU_SEARCH. Restore the cursor to the
// menu "more/end" location before the next key read.
if (display?.grid && typeof display.setCursor === 'function') {
const currentItems = menu.pages[currentPage]?.items || menu.items;
const moreStr = menu.npages > 1
? `(${currentPage + 1} of ${menu.npages})`
: menu.morestr;
const moreLine = currentItems.length;
const moreCol = menu.offx + 1 + moreStr.length;
display.setCursor(moreCol, moreLine);
}
continue;
}
// NUL, CR, LF → finish
if (ch === 0 || ch === 13 || ch === 10) {
// PICK_ANY: collect all selected items
if (how === PICK_ANY) {
const result = [];
for (const item of menu.items) {
if (item.identifier && item.selected) {
result.push({ identifier: item.identifier, count: item.count });
}
}
return { count: result.length, items: result };
}
// PICK_ONE/PICK_NONE: no selection
return { count: 0, items: [] };
}
// Space on single/last page → finish (same as CR)
if (ch === 32) {
if (how === PICK_ANY) {
const result = [];
for (const item of menu.items) {
if (item.identifier && item.selected) {
result.push({ identifier: item.identifier, count: item.count });
}
}
return { count: result.length, items: result };
}
return { count: 0, items: [] };
}
}
} finally {
exitModal('menu');
// C ref: windows.c select_menu() keeps bot_disabled=TRUE during
// the entire tty_select_menu, INCLUDING the dismiss. C's bot()
// macro logs >bot/<bot midlog even when disabled, but returns
// early without clearing disp.botl/botlx. This means flags
// from docorner's SET_BOTLX persist until after select_menu
// restores bot_disabled, when moveloop_core's conditional bot
// can then clear them. Do NOT restore bot_disabled here.
game._menuActive = false;
game._activeMenu = null;
// C ref: tty_select_menu → tty_dismiss_nhwindow → erase_menu_or_text
// Events must be emitted regardless of display mode (grid or headless).
tty_dismiss_nhwindow(menu.winId);
erase_menu_or_text(menu.winId, menu.offx, menu.maxrow || 0);
if (game.level) {
if (menu.offx === 0 || fullscreen) {
// C ref: erase_menu_or_text offx==0 dispatches to
// docrt() + flush_screen(1). C's docrt_flags() calls
// cls() first (which produces toplin + botlx events
// from tty_clear_nhwindow), then newsym loop, then
// SET_BOTLX. JS's docrt_cls() matches this event
// sequence: toplin + botlx[cls] + botlx[tty_clear]×3.
await docrt_cls();
// Repaint map/status into the grid after cls-like clear,
// but keep teardown event ownership unchanged.
await docrt(false, true);
setBotlx('docrt_flags');
if (menu.forceOffx0 || menu.flushBotUnsuppressed) {
// NHW_TEXT teardown should clear pending bot flags
// in this same phase (matching C's single bot call
// before reset_cmd_vars for this path).
const oldBotSuppressed = !!game?.bot_disabled;
if (game) game.bot_disabled = false;
try {
await flush_screen();
} finally {
if (game) game.bot_disabled = oldBotSuppressed;
}
} else {
await flush_screen();
}
} else {
// C: offx!=0 → docorner (calls bot internally if ymax reaches status)
await docorner(menu.offx, (menu.maxrow || 0) + 1);
}
} else if (display?.grid) {
clearMenuFromGrid(menu, display);
}
}
} finally {
if (game) {
game.bot_disabled = oldBotDisabled;
}
}
}
/**
* Destroy a menu window (cleanup).
* C ref: tty_destroy_nhwindow()
*/
export function destroy_nhwindow_menu(menu) {
// C ref: tty_destroy_nhwindow frees the game.wins[] slot.
// The dismiss (if window is still active) happens in the menu finally block.
if (menu.winId >= 0) {
// Don't call tty_destroy_nhwindow here — the dismiss was already
// handled by the finally block. Just free the slot.
if (game.wins[menu.winId]) game.wins[menu.winId] = null;
menu.winId = -1;
}
menu.items = [];
menu.prompt = null;
menu.finalized = false;
}
// ── Internal rendering ──
/**
* Render menu content onto the Terminal grid.
* C ref: process_menu_window() rendering loop in wintty.c
*
* Writes menu items at (offx, row) with space prefix, clearing
* each row from offx to end of line. Displays morestr on the last row.
*/
function renderMenuToGrid(menu, display) {
const offx = menu.offx;
const cols = display.cols || 80;
const items = arguments[2] || menu.items;
const moreStr = arguments[3] || menu.morestr;
// C: tty_clear_nhwindow(WIN_MESSAGE) — clear message line before menu
// (implicit: the menu starts at row 0 which overlaps the message line)
// Render each menu item
for (let i = 0; i < items.length; i++) {
const item = items[i];
// C: cl_end() — clear from offx to end of line
for (let c = offx; c < cols; c++) {
display.setCell(c, i, ' ', CLR_GRAY, 0);
}
// C: putchar(' ') at offx — NHW_MENU adds 1-col indent before items.
// NHW_TEXT (forceOffx0) doesn't add indent — text starts at offx.
const textIndent = menu.forceOffx0 ? 0 : 1;
if (textIndent) display.setCell(offx, i, ' ', CLR_GRAY, 0);
// C: render item text starting at offx + textIndent
const attr = item.attr || 0;
const color = (item.color != null && item.color !== NO_COLOR)
? item.color : CLR_GRAY;
// Determine where attribute highlighting starts
// C: attr_n = 0 for non-selectable (whole line), 4 for selectable (after "c - ")
const attrStart = item.identifier ? 4 : 0;
for (let j = 0; j < item.str.length; j++) {
const charCol = offx + textIndent + j;
if (charCol >= cols) break;
const useAttr = (j >= attrStart) ? attr : 0;
const useColor = (j >= attrStart) ? color : CLR_GRAY;
// C ref: wintty.c:1469 — initial page render uses '*' for selected, '#' for counted
// set_item_state (wintty.c:1181) uses '+' for user-toggled selections
const ch = (j === 2 && item.identifier && item.selected)
? (item.count === -1 ? '*' : '#')
: item.str[j];
display.setCell(charCol, i, ch, useColor, useAttr);
}
}
// C: Clear extra lines below items, then render morestr
// C's NHW_TEXT windows show "--More--" at the bottom (line 23 for 24-row)
// instead of the menu's "(end)" morestr.
const moreLine = items.length;
if (menu.forceOffx0) {
// C ref: dmore (wintty.c:1261) — offset is 1 for NHW_TEXT, 2 for NHW_MENU
// NHW_TEXT: --More-- at col 0; NHW_MENU fullscreen: --More-- at col 1
const bottomRow = menu.forceOffx0PromptAtPageEnd
? items.length
: (display?.rows || 24) - 1;
for (let c = 0; c < cols; c++) display.setCell(c, bottomRow, ' ', CLR_GRAY, 0);
const moreText = '--More--';
const moreCol = menu.forceOffx0PromptLeadingBlank ? 1 : 0;
for (let j = 0; j < moreText.length; j++) {
display.setCell(moreCol + j, bottomRow, moreText[j], CLR_GRAY, 0);
}
return;
}
// Clear the morestr line
for (let c = offx; c < cols; c++) {
display.setCell(c, moreLine, ' ', CLR_GRAY, 0);
}
// C: dmore() renders "(end) " at curx + 2 offset from window position
// After last item, cursor is at (offx, moreLine). dmore offsets by 2.
// tty_curs(BASE_WINDOW, curx + 2, cury) → col = offx + 2 - 1 = offx + 1
// (tty_curs does --x, then + offx_of_base=0)
// Actually: ttyDisplay->curx = offx after tty_curs(window, 1, page_lines).
// dmore: tty_curs(BASE_WINDOW, offx + 2, moreLine) → screen col = offx + 2 - 1 = offx + 1
const moreCol = offx + 1;
for (let j = 0; j < moreStr.length; j++) {
const c = moreCol + j;
if (c >= cols) break;
display.setCell(c, moreLine, moreStr[j], CLR_GRAY, 0);
}
if (menu.statusTitleOnly && Array.isArray(display.grid) && display.grid[22]) {
// C iactions status-title overlay: show hero name/title only (no stats)
// on row 22. Row 23 (stats) is cleared.
const statusRow = display.grid[22];
let rowText = '';
for (let i = 0; i < Math.min(statusRow.length, cols); i++) {
rowText += statusRow[i]?.ch || ' ';
}
const statIndex = rowText.indexOf('St:');
let titleOnly = (statIndex > 0) ? rowText.slice(0, statIndex).trimEnd() : rowText.trimEnd();
if (titleOnly.length > 22) titleOnly = titleOnly.slice(0, 22);
if (typeof display.clearRow === 'function') {
display.clearRow(22);
}
if (typeof display.putstr === 'function') {
display.putstr(0, 22, titleOnly);
} else {
for (let i = 0; i < titleOnly.length && i < cols; i++) {
display.setCell(i, 22, titleOnly[i], CLR_GRAY, 0);
}
}
}
}
/**
* Clear menu content from the Terminal grid.
* C ref: erase_menu_or_text() in wintty.c
*/
function clearMenuFromGrid(menu, display) {
const offx = menu.offx;
const cols = display.cols || 80;
const totalRows = menu.maxrow || (menu.items.length + 1);
erase_menu_or_text(menu.winId >= 0 ? menu.winId : -1, offx, totalRows);
for (let i = 0; i < totalRows; i++) {
for (let c = offx; c < cols; c++) {
display.setCell(c, i, ' ', CLR_GRAY, 0);
}
}
}
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