╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ ui.zig ───────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
2906 // drop the oldest entry (freeing its widget tree and arena) once over cap 2907 if (self.history.items.len > max_history) { 2908 var oldest = self.history.orderedRemove(0); 2909 oldest.root.deinit(allocator); 2910 freeArena(allocator, oldest.arena); 2911 } 2912 self.root = new_root; 2913 self.arena = arena; 2914 self.user_id = session.userId(); 2915 } 2916 } 2917 }; 2918 2919 pub fn initRoot(allocator: std.mem.Allocator, page: *const Page, session: *Session) !Widget { 2920 const page_widget: Widget = switch (page.*) { 2921 .home => |*p| .{ .home = try .init(allocator, p, session) }, 2922 .user => |*p| .{ .user = try .init(allocator, p, session) }, 2923 .repo => |*p| .{ .repo = try .init(allocator, p, session) }, 2924 .fork => |*p| .{ .fork = try .init(allocator, p, session) }, 2925 .not_found => .{ .not_found = try .init(allocator, session) }, 2926 }; 2927 2928 chooseAnsiArtForNavigation(session); 2929 2930 // on the TUI/SSH, the page sits above a one-row footer showing its web 2931 // url, when there's a web UI to point at 2932 var root = if (session.is_terminal) blk: { 2933 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 2934 errdefer box.deinit(allocator); 2935 const bg_id = bg_blk: { 2936 var background = try widget.AnsiBackground.init(allocator, page_widget, session); 2937 errdefer background.deinit(allocator); 2938 const id = background.getFocus().id; 2939 try box.children.put(allocator, id, .{ .widget = .{ .background = background }, .rect = null, .min_size = null }); 2940 break :bg_blk id; 2941 }; 2942 if (session.web_port != null) { 2943 var footer = try widget.Footer.init(allocator, session); 2944 errdefer footer.deinit(allocator); 2945 try box.children.put(allocator, footer.getFocus().id, .{ .widget = .{ .footer = footer }, .rect = null, .min_size = .{ .width = null, .height = 1 } }); 2946 } 2947 box.getFocus().child_id = bg_id; 2948 break :blk Widget{ .box = box }; 2949 } else Widget{ .background = try widget.AnsiBackground.init(allocator, page_widget, session) }; 2950 errdefer root.deinit(allocator); 2951 2952 // input-owning views build their TextInputs in init, so reset their 2953 // registrations here 2954 session.text_inputs.clearRetainingCapacity(); 2955 2956 try root.build(allocator, .{ 2957 .min_size = .{ .width = null, .height = 40 }, 2958 .max_size = .{ .width = 100, .height = null }, 2959 }, root.getFocus()); 2960 2961 return root; 2962 } 2963 2964 // native and server-side sessions choose from the embedded collection. WASM 2965 // keeps the art serialized by the server instead. 2966 fn chooseAnsiArtForNavigation(session: *Session) void { 2967 if (comptime ansi_art.art.len == 0) return; 2968 if (session.data.current_page == .not_found) { 2969 session.data.ansi_art = ansi_art.not_found; 2970 return; 2971 } 2972 const io = session.io orelse return; 2973 var random: usize = undefined; 2974 io.random(std.mem.asBytes(&random)); 2975 session.data.ansi_art = ansi_art.art[random % ansi_art.art.len]; 2976 } 2977