╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ ui.zig ───────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭8908bc8c..╮ 8908bc8c.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (601) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.zig serve.zig serve_common.zig serve_http.zig serve_ssh.zig serve_ssh_protocol.zig test.zig testnet.zig try.zig ╭─────────────────────────────────╮ │ui.zig │ ╰─────────────────────────────────╯ web.zig
2476 // reconcile navigation: forward to a new page, or back on escape. 2477 try nav.sync(allocator, session); 2478 2479 // the quit button (on the quit tab) asks the host to tear down. 2480 if (session.quit_requested) terminal.requestQuit(); 2481 2482 try nav.root.build(allocator, .{ 2483 .min_size = .{ .width = null, .height = null }, 2484 .max_size = .{ .width = terminal.size.width, .height = terminal.size.height }, 2485 }, nav.root.getFocus()); 2486 } 2487 } 2488 2489 fn showCopyableText(io: std.Io, copyable_text: []const u8) !void { 2490 const tty: ?std.Io.File = if (builtin.os.tag == .windows) 2491 null 2492 else 2493 try std.Io.Dir.cwd().openFile(io, "/dev/tty", .{ .mode = .read_write }); 2494 defer if (tty) |file| file.close(io); 2495 2496 const input = if (tty) |file| file else std.Io.File.stdin(); 2497 const output = if (tty) |file| file else std.Io.File.stdout(); 2498 2499 var write_buf: [1024]u8 = undefined; 2500 var writer = output.writer(io, &write_buf); 2501 try writer.interface.print("\x1b[2J\x1b[Hcopy the following text and then press enter to go back:\r\n\r\n{s}\r\n", .{copyable_text}); 2502 try writer.interface.flush(); 2503 2504 var read_buf: [1]u8 = undefined; 2505 var reader = input.reader(io, &read_buf); 2506 while (true) { 2507 const byte = try reader.interface.takeByte(); 2508 if (byte == '\r' or byte == '\n') return; 2509 } 2510 } 2511 2512 pub fn inputKey(allocator: std.mem.Allocator, root: *Widget, key: Key, session: *Session) !void { 2513 const root_focus = root.getFocus(); 2514 const focused_before = root_focus.grandchild_id; 2515 var activate_in_page_link = false; 2516 switch (key) { 2517 // request a navigation pop; the host's Nav.sync goes back a page, or 2518 // quits when there's no history left. 2519 .escape => { 2520 session.back = .requested; 2521 return; 2522 }, 2523 .ctrl => |letter| switch (letter) { 2524 'r' => { 2525 session.refresh_requested = true; 2526 return; 2527 }, 2528 else => try root.input(allocator, key, root_focus), 2529 }, 2530 .enter => { 2531 if (root_focus.grandchild_id) |gid| { 2532 // follow a cross-page link 2533 if (crossPageLink(root_focus, gid, session.data)) |route| { 2534 return session.navigate(route); 2535 } 2536 if (rawLink(root_focus, gid)) |url| return requestRawLink(session, url); 2537 } 2538 activate_in_page_link = true; 2539 try root.input(allocator, key, root_focus); 2540 }, 2541 .mouse => |mouse| { 2542 if (mouse.action == .press and mouse.action.press == .left) { 2543 if (root_focus.hitTest(mouse.x, mouse.y)) |hit| { 2544 const focus_id = hit.id; 2545 if (hit.kind == .background) { 2546 root_focus.setFocus(focus_id); 2547 return; 2548 } 2549 if (widget.isBackButton((root_focus.children.get(focus_id) orelse return).focus)) { 2550 if (session.back == .available) session.back = .requested; 2551 return; 2552 } 2553 // follow a cross-page link 2554 if (crossPageLink(root_focus, focus_id, session.data)) |route| { 2555 return session.navigate(route); 2556 } 2557 if (rawLink(root_focus, focus_id)) |url| { 2558 if (!mouse.ctrl) try requestRawLink(session, url); 2559 return; 2560 } 2561 root_focus.setFocus(focus_id); 2562 activate_in_page_link = true; 2563 } 2564 // forward the press into the widget tree so buttons (and any 2565 // future click-aware widgets) can react. widgets that don't 2566 // care about presses ignore it. 2567 try root.input(allocator, key, root_focus); 2568 } else { 2569 try root.input(allocator, key, root_focus); 2570 } 2571 }, 2572 else => try root.input(allocator, key, root_focus), 2573 } 2574 2575 const focused_after = root_focus.grandchild_id; 2576 if (!activate_in_page_link and focused_before == focused_after) return; 2577 const focus_id = focused_after orelse return; 2578 if (inPageLink(root_focus, focus_id, session.data)) |route| session.data.current_page = route; 2579 } 2580 2581 // a link to bytes the server serves directly rather than to a page route, so 2582 // it never resolves to a RoutablePage 2583 pub const raw_link_prefix = "ax:"; 2584 2585 // a route already loaded into the current page; focusing it changes the url 2586 // without rebuilding the page 2587 pub const in_page_link_prefix = "ai:"; 2588 2589 // an in-page tab's base route, or the exact current route when it is selected 2590 pub fn inPageTabLink(session: *Session, route: RoutablePage, selected: bool) ![]const u8 { 2591 const target = if (selected) session.data.current_page else route; 2592 return std.fmt.allocPrint(session.page_arena.allocator(), "{s}{s}", .{ in_page_link_prefix, try target.toUrl(session.page_arena) }); 2593 } 2594 2595 // a button the web renderer covers with a file picker that posts the chosen 2596 // file to the url after the prefix 2597 pub const file_input_prefix = "file:"; 2598 2599 // a submit button that overrides its enclosing form's action 2600 pub const submit_action_prefix = "submit:"; 2601 2602 // one option of a radio field, as `radio:<name>=<value>` 2603 pub const radio_prefix = "radio:"; 2604 2605 // the url an `ax:` link points at, or null for anything else. a host that 2606 // suppresses the anchor's own navigation needs this to follow the link. 2607 pub fn rawLink(root_focus: *Focus, focus_id: usize) ?[]const u8 { 2608 const child = root_focus.children.get(focus_id) orelse return null; 2609 const custom = switch (child.focus.kind) { 2610 .custom => |c| c, 2611 else => return null, 2612 }; 2613 if (!std.mem.startsWith(u8, custom, raw_link_prefix)) return null; 2614 return custom[raw_link_prefix.len..]; 2615 } 2616 2617 fn requestRawLink(session: *Session, url: []const u8) !void { 2618 session.host_request = .{ .show_copyable_text = try terminalWebUrl(session.page_arena.allocator(), session, url) }; 2619 } 2620 2621 pub fn terminalWebUrl(allocator: std.mem.Allocator, session: *const Session, path: []const u8) ![]const u8 { 2622 // an absolute url is already complete 2623 if (!std.mem.startsWith(u8, path, "/")) return path; 2624 return if (session.web_port) |port| 2625 try std.fmt.allocPrint(allocator, "http://localhost:{d}{s}", .{ port, path }) 2626 else 2627 path; 2628 } 2629 2630 // if the focus target at focus_id is an `a:` link that should navigate (a 2631 // different parent page, or a different files directory within the repo page), 2632 // return its route; otherwise null. lets a host turn a click / enter on such a 2633 // link into a navigation rather than a focus change. 2634 pub fn crossPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2635 const current = data.current_page; 2636 const route = pageLink(root_focus, focus_id, data, "a:") orelse return null; 2637 // a link to a different parent page always navigates; within a page, a 2638 // files-directory / commits-page / list-window change navigates while tab 2639 // links stay in-page. 2640 if (route.parent() != current.parent() or RoutablePage.repoPageChanged(route, current) or RoutablePage.forkPageChanged(route, current) or RoutablePage.homePageChanged(route, current) or RoutablePage.userPageChanged(route, current)) return route; 2641 return null; 2642 } 2643 2644 // the route carried by an `ai:` focus target, or null for any other target 2645 pub fn inPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2646 return pageLink(root_focus, focus_id, data, in_page_link_prefix); 2647 } 2648 2649 fn pageLink(root_focus: *Focus, focus_id: usize, data: Session.Data, prefix: []const u8) ?RoutablePage { 2650 const child = root_focus.children.get(focus_id) orelse return null; 2651 const custom = switch (child.focus.kind) { 2652 .custom => |c| c, 2653 else => return null, 2654 }; 2655 if (!std.mem.startsWith(u8, custom, prefix)) return null; 2656 const path = custom[prefix.len..]; 2657 // local sessions build (and parse) links with the repo identity elided 2658 return if (data.host_kind == .local) RoutablePage.fromUrlLocal(path) else RoutablePage.fromUrl(path); 2659 } 2660 2661 // a display author, resolved against the admin db at read time 2662 pub const Author = union(enum) { 2663 unknown, 2664 email: []const u8, // an email no user matches 2665 user_name: []const u8, 2666 2667 // the commit author line's email, resolved like initFromEmail 2668 pub fn init( 2669 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2670 arena: *std.heap.ArenaAllocator, 2671 author_line: []const u8, 2672 ) !Author { 2673 return initFromEmail(haxy_moment, arena, evt.authorEmail(author_line)); 2674 } 2675 2676 // from a record's stored author email: it resolves to the user currently 2677 // holding it, else stays the email. the result is allocated in `arena`, 2678 // so the email may borrow transient memory. 2679 pub fn initFromEmail( 2680 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2681 arena: *std.heap.ArenaAllocator, 2682 author_email: ?[]const u8, 2683 ) !Author { 2684 const email = author_email orelse return .unknown; 2685 if (haxy_moment) |moment| { 2686 if (try evt.User.readByEmail(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, email)) |user| { 2687 return .{ .user_name = user.name }; 2688 } 2689 } 2690 return .{ .email = try arena.allocator().dupe(u8, email) }; 2691 } 2692 }; 2693 2694 // the "a:" link to user `name`'s page. 2695 pub fn userLink(page_arena: *std.heap.ArenaAllocator, name: []const u8) ![]const u8 { 2696 const parsed = RoutablePage.Array(evt.User.name_max_len).from(name) orelse return error.RouteTooLong; 2697 const url = try (RoutablePage{ .user_repos = .{ .name = parsed } }).toUrl(page_arena); 2698 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{url}); 2699 } 2700 2701 // a focusable " author " box showing `author`, linking to their user page 2702 // when it is a known user 2703 pub fn authorBox(allocator: std.mem.Allocator, page_arena: *std.heap.ArenaAllocator, author: Author) !wgt.TextBox { 2704 const text = switch (author) { 2705 .unknown => "", 2706 .email, .user_name => |t| t, 2707 }; 2708 var tb = try wgt.TextBox.init(allocator, text, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .label = " author " }); 2709 errdefer tb.deinit(allocator); 2710 tb.getFocus().mode = .all; 2711 switch (author) { 2712 .user_name => |name| tb.getFocus().kind = .{ .custom = try userLink(page_arena, name) }, 2713 else => {}, 2714 } 2715 return tb; 2716 } 2717 2718 // native-TUI navigation 2719 pub const Nav = struct { 2720 root: Widget, 2721 // backs the current page (its Page data and the page-scoped strings its 2722 // widgets build). owned here, swapped on each navigation. session.page_arena 2723 // tracks whichever of these is current so widgets allocate into it. 2724 arena: *std.heap.ArenaAllocator, 2725 history: std.ArrayList(Entry), 2726 2727 // each retained page keeps its own arena, freed when the page leaves the 2728 // stack (popped on back, evicted at cap, or on deinit). this is what keeps a 2729 // long-lived session from accumulating every page it ever visited. 2730 const Entry = struct { root: Widget, route: RoutablePage, arena: *std.heap.ArenaAllocator }; 2731 2732 // cap on retained back-history so the chain can't grow memory without bound 2733 const max_history: usize = 16; 2734 2735 pub fn init(allocator: std.mem.Allocator, session: *Session) !Nav { 2736 session.back = .unavailable; 2737 const arena = try allocator.create(std.heap.ArenaAllocator); 2738 arena.* = std.heap.ArenaAllocator.init(allocator); 2739 errdefer { 2740 arena.deinit(); 2741 allocator.destroy(arena); 2742 } 2743 2744 session.page_arena = arena; 2745 const route = session.data.current_page; 2746 2747 const page = try arena.allocator().create(Page); 2748 page.* = try Page.init(arena, session, route); 2749 return .{ 2750 .root = try initRoot(allocator, page, session), 2751 .arena = arena, 2752 .history = .empty, 2753 }; 2754 } 2755 2756 pub fn deinit(self: *Nav, allocator: std.mem.Allocator) void { 2757 self.root.deinit(allocator); 2758 freeArena(allocator, self.arena); 2759 for (self.history.items) |*entry| { 2760 entry.root.deinit(allocator); 2761 freeArena(allocator, entry.arena); 2762 } 2763 self.history.deinit(allocator); 2764 } 2765 2766 fn freeArena(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator) void { 2767 arena.deinit(); 2768 allocator.destroy(arena); 2769 } 2770 2771 // reconcile the displayed root with the session's navigation state. a 2772 // forward nav (current_page moved to a different parent page) pushes the 2773 // current root and builds the new page in a fresh arena; a back request 2774 // frees the current page and restores the previous one. when escape is 2775 // pressed with no history left we switch to the quit tab instead of quitting. 2776 pub fn sync(self: *Nav, allocator: std.mem.Allocator, session: *Session) !void { 2777 // refresh: rebuild the current page in place from a current moment 2778 if (session.refresh_requested) { 2779 session.refresh_requested = false; 2780 if (session.haxy_moment != null or session.local != null) { 2781 const arena = try allocator.create(std.heap.ArenaAllocator); 2782 arena.* = std.heap.ArenaAllocator.init(allocator); 2783 errdefer freeArena(allocator, arena); 2784 2785 session.page_arena = arena; 2786 2787 const route = session.data.current_page; 2788 const page = try arena.allocator().create(Page); 2789 page.* = try Page.init(arena, session, route); 2790 const new_root = try initRoot(allocator, page, session); 2791 2792 self.root.deinit(allocator); 2793 freeArena(allocator, self.arena); 2794 self.root = new_root; 2795 self.arena = arena; 2796 } 2797 return; 2798 } 2799 2800 if (session.back == .requested) { 2801 if (self.history.pop()) |entry| { 2802 session.back = if (self.history.items.len == 0) .unavailable else .available; 2803 self.root.deinit(allocator); 2804 freeArena(allocator, self.arena); 2805 self.root = entry.root; 2806 self.arena = entry.arena; 2807 session.page_arena = entry.arena; 2808 session.data.current_page = entry.route; 2809 chooseAnsiArtForNavigation(session); 2810 return; 2811 } 2812 session.back = .unavailable; 2813 // nothing to go back to; switch to the quit confirmation 2814 const root_focus = self.root.getFocus(); 2815 var iter = root_focus.children.iterator(); 2816 while (iter.next()) |entry| { 2817 switch (entry.value_ptr.focus.kind) { 2818 .custom => |custom| if (std.mem.eql(u8, custom, Quit.tab_kind)) { 2819 root_focus.setFocus(entry.key_ptr.*); 2820 // a Stack only builds its selected child, so the quit 2821 // button isn't in the focus tree until a build runs with 2822 // the quit tab selected. build once, then send a 2823 // synthetic arrow_down to drop focus from the tab onto 2824 // the button so it's ready to confirm. 2825 try self.root.build(allocator, .{ 2826 .min_size = .{ .width = null, .height = 40 }, 2827 .max_size = .{ .width = 80, .height = null }, 2828 }, root_focus); 2829 try self.root.input(allocator, .arrow_down, root_focus); 2830 break; 2831 }, 2832 else => {}, 2833 } 2834 } 2835 return; 2836 } 2837 2838 // forward navigation: navigate() set next_page to the page to move to (a 2839 // cross-page link or tab change crossing pages) 2840 if (session.next_page) |route| { 2841 session.next_page = null; 2842 if (session.haxy_moment == null and session.local == null) return; 2843 const previous_route = session.data.current_page; 2844 // the page we navigated to becomes the current page 2845 session.data.current_page = route; 2846 session.back = .available; 2847 2848 const arena = try allocator.create(std.heap.ArenaAllocator); 2849 arena.* = std.heap.ArenaAllocator.init(allocator); 2850 errdefer freeArena(allocator, arena); 2851 2852 session.page_arena = arena; 2853 2854 const page = try arena.allocator().create(Page); 2855 page.* = try Page.init(arena, session, route); 2856 const new_root = try initRoot(allocator, page, session); 2857 2858 try self.history.append(allocator, .{ .root = self.root, .route = previous_route, .arena = self.arena }); 2859 // drop the oldest entry (freeing its widget tree and arena) once over cap 2860 if (self.history.items.len > max_history) { 2861 var oldest = self.history.orderedRemove(0); 2862 oldest.root.deinit(allocator); 2863 freeArena(allocator, oldest.arena); 2864 } 2865 self.root = new_root; 2866 self.arena = arena; 2867 } 2868 } 2869 }; 2870 2871 pub fn initRoot(allocator: std.mem.Allocator, page: *const Page, session: *Session) !Widget { 2872 const page_widget: Widget = switch (page.*) { 2873 .home => |*p| .{ .home = try .init(allocator, p, session) }, 2874 .user => |*p| .{ .user = try .init(allocator, p, session) }, 2875 .repo => |*p| .{ .repo = try .init(allocator, p, session) }, 2876 .fork => |*p| .{ .fork = try .init(allocator, p, session) }, 2877 }; 2878 2879 chooseAnsiArtForNavigation(session); 2880 2881 // on the TUI/SSH, the page sits above a one-row footer showing its web 2882 // url, when there's a web UI to point at 2883 var root = if (session.is_terminal) blk: { 2884 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 2885 errdefer box.deinit(allocator); 2886 const bg_id = bg_blk: { 2887 var background = try widget.AnsiBackground.init(allocator, page_widget, session); 2888 errdefer background.deinit(allocator); 2889 const id = background.getFocus().id; 2890 try box.children.put(allocator, id, .{ .widget = .{ .background = background }, .rect = null, .min_size = null }); 2891 break :bg_blk id; 2892 }; 2893 if (session.web_port != null) { 2894 var footer = try widget.Footer.init(allocator, session); 2895 errdefer footer.deinit(allocator); 2896 try box.children.put(allocator, footer.getFocus().id, .{ .widget = .{ .footer = footer }, .rect = null, .min_size = .{ .width = null, .height = 1 } }); 2897 } 2898 box.getFocus().child_id = bg_id; 2899 break :blk Widget{ .box = box }; 2900 } else Widget{ .background = try widget.AnsiBackground.init(allocator, page_widget, session) }; 2901 errdefer root.deinit(allocator); 2902 2903 // input-owning views build their TextInputs in init, so reset their 2904 // registrations here 2905 session.text_inputs.clearRetainingCapacity(); 2906 2907 try root.build(allocator, .{ 2908 .min_size = .{ .width = null, .height = 40 }, 2909 .max_size = .{ .width = 100, .height = null }, 2910 }, root.getFocus()); 2911 2912 return root; 2913 } 2914 2915 // native and server-side sessions choose from the embedded collection. WASM 2916 // keeps the art serialized by the server instead. 2917 fn chooseAnsiArtForNavigation(session: *Session) void { 2918 if (comptime ansi_arts.len == 0) return; 2919 const io = session.io orelse return; 2920 var random: usize = undefined; 2921 io.random(std.mem.asBytes(&random)); 2922 session.data.ansi_art = ansi_arts[random % ansi_arts.len]; 2923 } 2924