HAXY

▄▄ ▀▀▀▄ ▄▄ ▀▀▀▀▀▄ ▄▀▀▀▀ ▀▀▀▀▀▀ ▄▀▀▀▀▀▀ ▀▀▀▀▀▀ ▀ ▀ ▄▀▀▀▀▀▀ ▀▀▀▀▀▀ ▄▀ ▄▀ ▄▀▀▀▀▀▀▀▀ ▀▀▀▄▄ ▀▀▀▀▀▀ ▀▀ ▀▄▀▀ ▄▀ ▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▄ ▀▀▀▀▀▄ ▄▀▀▀▀▀▀▀ ▄ ▄▀▄▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▄ ▄▀▀▀▀▀▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▄ ▀ ▀▀▀▀▀▀ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▄▄▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▀▀▀▀▀▀▀▄ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀▀▄ ▀▀▀ ▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀ ▀▀▀▀▀ ▀▀ ▀▀▀▀▀▀ ▀▀▀▄▀▄ ▄▄▄▀▀ ▀▀▀▀▀▀ ▀▀▄▀▀▀▀▀▀▀ ▀▀▀▀▀▄▀▀▀▀▀ ▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▄▀ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀

╭ Header.zig ───────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯

╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯

.. ╭─────────────────────────────────╮ │Header.zig │ ╰─────────────────────────────────╯

1 const std = @import("std"); 2 const evt = @import("../../event.zig"); 3 const ui = @import("../../ui.zig"); 4 const inp = @import("../input.zig"); 5 const xit = @import("xit"); 6 const xitui = xit.xitui; 7 const wgt = xitui.widget; 8 const layout = xitui.layout; 9 const Key = xitui.input.Key; 10 const Grid = xitui.grid.Grid; 11 const Focus = xitui.focus.Focus; 12 13 const commits_tab_label = "commits"; 14 const patch_tab_label = "patch"; 15 const diff_tab_label = "diff"; 16 const files_tab_label = "files"; 17 const new_tab_label = "new"; 18 const new_repo_tab_bottom_label = "repo"; 19 const new_user_tab_bottom_label = "user"; 20 21 name: []const u8, 22 forker_name: []const u8, 23 title: ui.Title, 24 id: []const u8, 25 oid: []const u8, 26 27 const Self = @This(); 28 29 pub fn init(arena: *std.heap.ArenaAllocator, name: []const u8, forker_name: []const u8, id: []const u8, oid: []const u8) !Self { 30 return .{ 31 .name = name, 32 .forker_name = forker_name, 33 .title = try ui.Title.init(arena, name, .scanlines), 34 .id = try arena.allocator().dupe(u8, id), 35 .oid = try arena.allocator().dupe(u8, oid), 36 }; 37 } 38 39 pub const View = struct { 40 scroll: wgt.Scroll(ui.Widget), 41 tab_ids: std.AutoArrayHashMapUnmanaged(usize, void), 42 tabs_id: usize, 43 gap_id: usize, 44 first_group_width: usize, 45 session: *ui.Session, 46 47 pub fn init(allocator: std.mem.Allocator, data: *const Self, commit_count: ?u64, session: *ui.Session) !View { 48 var box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = .hidden, .round_corners = true, .direction = .horiz }); 49 errdefer box.deinit(allocator); 50 51 var title_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 52 var title_box_owned = false; 53 errdefer if (!title_box_owned) title_box.deinit(allocator); 54 55 var tabs_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 56 var tabs_box_owned = false; 57 errdefer if (!tabs_box_owned) tabs_box.deinit(allocator); 58 59 var tab_ids: std.AutoArrayHashMapUnmanaged(usize, void) = .empty; 60 errdefer tab_ids.deinit(allocator); 61 62 const aa = session.page_arena.allocator(); 63 const fork_identity = try std.fmt.allocPrint(aa, "{s}:{s}", .{ data.forker_name, data.name }); 64 const commits_label = if (commit_count) |count| try std.fmt.allocPrint(aa, commits_tab_label ++ " ({d})", .{count}) else commits_tab_label; 65 var first_group_width = try data.title.width(); 66 67 try ui.widget.addBackButton(allocator, &title_box, session); 68 69 // the forker's name links to their page. 70 { 71 var text_buf: [evt.User.name_max_len + 1]u8 = undefined; 72 const text = try std.fmt.bufPrint(&text_buf, "{s}/", .{data.forker_name}); 73 var forker = try wgt.TextBox.init(allocator, text, .{ .border_style = .hidden, .wrap_kind = .none }); 74 errdefer forker.deinit(allocator); 75 forker.getFocus().mode = .all; 76 forker.getFocus().kind = .{ .custom = try std.fmt.allocPrint(aa, "a:/{s}", .{data.forker_name}) }; 77 first_group_width += try xitui.width.displayWidth(text) + 2; 78 try title_box.children.put(allocator, forker.getFocus().id, .{ .widget = .{ .text_box = forker }, .rect = null, .min_size = null }); 79 } 80 81 // the title links to the fork's default tab. 82 { 83 const route = ui.RoutablePage.forkPatchRoute(fork_identity, data.id) orelse return error.RouteTooLong; 84 var title = try ui.Title.View.init(allocator, &data.title); 85 errdefer title.deinit(allocator); 86 title.getFocus().mode = .all; 87 title.getFocus().kind = .{ .custom = try std.fmt.allocPrint(aa, "a:{s}", .{try route.toUrl(session.page_arena)}) }; 88 try title_box.children.put(allocator, title.getFocus().id, .{ .widget = .{ .title = title }, .rect = null, .min_size = null }); 89 } 90 91 // separate the title from the tabs. 92 { 93 var spacer = try wgt.Text.init(allocator, " "); 94 errdefer spacer.deinit(allocator); 95 try tabs_box.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .text = spacer }, .rect = null, .min_size = .{ .width = 1, .height = null } }); 96 } 97 98 const current_tag = std.meta.activeTag(session.data.current_page); 99 const routes = [_]ui.RoutablePage{ 100 ui.RoutablePage.forkPatchRoute(fork_identity, data.id) orelse return error.RouteTooLong, 101 ui.RoutablePage.forkDiffRoute(fork_identity, data.id, "", "", 0, "") orelse return error.RouteTooLong, 102 ui.RoutablePage.forkFilesRoute(fork_identity, data.id, data.oid, "", 0) orelse return error.RouteTooLong, 103 ui.RoutablePage.forkCommitsRoute(fork_identity, data.id, data.oid) orelse return error.RouteTooLong, 104 }; 105 const tags = [_]std.meta.Tag(ui.RoutablePage){ .fork_patch, .fork_diff, .fork_files, .fork_commits }; 106 const labels = [_][]const u8{ patch_tab_label, diff_tab_label, files_tab_label, commits_label }; 107 // a single commit's diff names the commit under its tab 108 const bottom_labels = [_][]const u8{ "", switch (session.data.current_page) { 109 .fork_diff => |*d| if (d.oid.len == 0) "" else try ui.clippedBottomLabel(try aa.alloc(u8, ui.clipped_bottom_label_max_len), d.oid.slice()), 110 else => "", 111 }, "", "" }; 112 var selected_tab: ?usize = null; 113 114 for (routes, tags, labels, bottom_labels) |route, tag, label, bottom_label| { 115 const selected = current_tag == tag; 116 var tab = try wgt.TextBox.init(allocator, label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .bottom_label = bottom_label }); 117 errdefer tab.deinit(allocator); 118 tab.getFocus().mode = .all; 119 tab.getFocus().kind = .{ .custom = try ui.inPageTabLink(session, route, selected) }; 120 try tab_ids.put(allocator, tab.getFocus().id, {}); 121 if (selected) selected_tab = tab.getFocus().id; 122 try tabs_box.children.put(allocator, tab.getFocus().id, .{ 123 .widget = .{ .text_box = tab }, 124 .rect = null, 125 .min_size = .{ .width = label.len + 2, .height = null }, 126 }); 127 } 128 129 // spacer pushes new repo, new user, and user to the right. 130 { 131 var spacer = try ui.widget.Spacer.init(allocator); 132 errdefer spacer.deinit(allocator); 133 try tabs_box.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null, .flex = .grow }); 134 } 135 136 const new_repo_route = ui.RoutablePage.forkRepoNewRoute(fork_identity, data.id) orelse return error.RouteTooLong; 137 const new_repo_link = try ui.inPageTabLink(session, new_repo_route, current_tag == .fork_repo_new); 138 const new_user_route = ui.RoutablePage.forkUserNewRoute(fork_identity, data.id) orelse return error.RouteTooLong; 139 const new_user_link = try ui.inPageTabLink(session, new_user_route, current_tag == .fork_user_new); 140 const user_route = ui.RoutablePage.forkUserRoute(fork_identity, data.id) orelse return error.RouteTooLong; 141 const user_link = try ui.inPageTabLink(session, user_route, current_tag == .fork_user); 142 143 // new repo tab with a login, new user tab without one outside local mode 144 if (session.data.user_id != null) { 145 var new_repo = try wgt.TextBox.init(allocator, new_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .bottom_label = new_repo_tab_bottom_label }); 146 errdefer new_repo.deinit(allocator); 147 new_repo.getFocus().mode = .all; 148 new_repo.getFocus().kind = .{ .custom = new_repo_link }; 149 try tab_ids.put(allocator, new_repo.getFocus().id, {}); 150 if (current_tag == .fork_repo_new) selected_tab = new_repo.getFocus().id; 151 try tabs_box.children.put(allocator, new_repo.getFocus().id, .{ .widget = .{ .text_box = new_repo }, .rect = null, .min_size = .{ .width = @max(new_tab_label.len, new_repo_tab_bottom_label.len) + 2, .height = null } }); 152 } else if (session.data.host_kind == .server) { 153 var new_user = try wgt.TextBox.init(allocator, new_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .bottom_label = new_user_tab_bottom_label }); 154 errdefer new_user.deinit(allocator); 155 new_user.getFocus().mode = .all; 156 new_user.getFocus().kind = .{ .custom = new_user_link }; 157 try tab_ids.put(allocator, new_user.getFocus().id, {}); 158 if (current_tag == .fork_user_new) selected_tab = new_user.getFocus().id; 159 try tabs_box.children.put(allocator, new_user.getFocus().id, .{ .widget = .{ .text_box = new_user }, .rect = null, .min_size = .{ .width = @max(new_tab_label.len, new_user_tab_bottom_label.len) + 2, .height = null } }); 160 } 161 162 if (session.data.host_kind == .server) { 163 const label = ui.UserLogout.tabLabel(session); 164 var user_tab = try wgt.TextBox.init(allocator, label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 165 errdefer user_tab.deinit(allocator); 166 user_tab.getFocus().mode = .all; 167 user_tab.getFocus().kind = .{ .custom = user_link }; 168 try tab_ids.put(allocator, user_tab.getFocus().id, {}); 169 if (current_tag == .fork_user) selected_tab = user_tab.getFocus().id; 170 try tabs_box.children.put(allocator, user_tab.getFocus().id, .{ .widget = .{ .text_box = user_tab }, .rect = null, .min_size = .{ .width = label.len + 2, .height = null } }); 171 } 172 173 if (session.is_terminal) { 174 var quit = try wgt.TextBox.init(allocator, ui.Quit.tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 175 errdefer quit.deinit(allocator); 176 quit.getFocus().mode = .all; 177 quit.getFocus().kind = .{ .custom = ui.Quit.tab_kind }; 178 try tab_ids.put(allocator, quit.getFocus().id, {}); 179 try tabs_box.children.put(allocator, quit.getFocus().id, .{ .widget = .{ .text_box = quit }, .rect = null, .min_size = .{ .width = 3, .height = null } }); 180 } 181 182 tabs_box.getFocus().child_id = selected_tab orelse tab_ids.keys()[0]; 183 const title_id = title_box.getFocus().id; 184 const tabs_id = tabs_box.getFocus().id; 185 try box.children.put(allocator, title_id, .{ .widget = .{ .box = title_box }, .rect = null, .min_size = null }); 186 title_box_owned = true; 187 // a blank row between the title and the tabs, shown only when they wrap 188 const gap_id = blk: { 189 var gap = try wgt.Text.init(allocator, " "); 190 errdefer gap.deinit(allocator); 191 const id = gap.getFocus().id; 192 try box.children.put(allocator, id, .{ .widget = .{ .text = gap }, .rect = null, .min_size = null, .hidden = true }); 193 break :blk id; 194 }; 195 try box.children.put(allocator, tabs_id, .{ .widget = .{ .box = tabs_box }, .rect = null, .min_size = null }); 196 tabs_box_owned = true; 197 box.getFocus().child_id = tabs_id; 198 199 return .{ 200 .scroll = try wgt.Scroll(ui.Widget).init(allocator, .{ .box = box }, .{ .direction = .horiz, .show_bar = false, .web_native = !session.is_terminal }), 201 .tab_ids = tab_ids, 202 .tabs_id = tabs_id, 203 .gap_id = gap_id, 204 .first_group_width = first_group_width, 205 .session = session, 206 }; 207 } 208 209 pub fn deinit(self: *View, allocator: std.mem.Allocator) void { 210 self.scroll.deinit(allocator); 211 self.tab_ids.deinit(allocator); 212 } 213 214 pub fn build(self: *View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 215 self.clearGrid(); 216 const box = &self.scroll.child.box; 217 const back_visible = self.session.back == .available; 218 ui.widget.setBackButtonVisible(box, back_visible); 219 const tabs_child = self.tabsChild(); 220 const tabs_box = &tabs_child.widget.box; 221 222 const selected_tab = tabs_box.getFocus().child_id; 223 var tabs_width: usize = 0; 224 for (tabs_box.children.keys(), tabs_box.children.values()) |id, *child| { 225 const text_box: ?*wgt.TextBox = switch (child.widget) { 226 .text_box => |*value| value, 227 else => null, 228 }; 229 if (text_box) |tab| ui.widget.markSelected(tab, selected_tab == id); 230 tabs_width += if (child.min_size) |min_size| min_size.width orelse 0 else 0; 231 } 232 233 const viewport_width = constraint.max_size.width orelse constraint.min_size.width; 234 const content_width = if (viewport_width) |width| width -| 2 else null; 235 const back_width: usize = if (back_visible) ui.widget.back_button_width else 0; 236 const wrap = if (content_width) |width| self.first_group_width + back_width + tabs_width > width else false; 237 box.options.direction = if (wrap) .vert else .horiz; 238 tabs_child.min_size = if (wrap) .{ .width = content_width, .height = null } else null; 239 (box.children.getPtr(self.gap_id) orelse unreachable).hidden = !wrap; 240 241 var scroll_constraint = constraint; 242 scroll_constraint.min_size.width = viewport_width; 243 try self.scroll.build(allocator, scroll_constraint, root_focus); 244 } 245 246 pub fn input(self: *View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 247 _ = allocator; 248 const current_tab = self.currentTabIndex() orelse return; 249 if (inp.moveTab(key, current_tab, self.tab_ids.count())) |new_tab| { 250 const tab_id = self.tab_ids.keys()[new_tab]; 251 root_focus.setFocus(tab_id); 252 const tabs_child = self.tabsChild(); 253 const tabs_rect = tabs_child.rect orelse return; 254 const tab = tabs_child.widget.box.children.get(tab_id) orelse return; 255 var rect = tab.rect orelse return; 256 rect.x += tabs_rect.x; 257 rect.y += tabs_rect.y; 258 self.scroll.scrollToRect(rect); 259 } 260 } 261 262 pub fn clearGrid(self: *View) void { 263 self.scroll.clearGrid(); 264 } 265 266 pub fn getGrid(self: View) ?Grid { 267 return self.scroll.getGrid(); 268 } 269 270 pub fn getFocus(self: *View) *Focus { 271 return self.scroll.getFocus(); 272 } 273 274 pub fn getSelectedIndex(self: View) ?usize { 275 return self.currentTabIndex(); 276 } 277 278 fn currentTabIndex(self: View) ?usize { 279 if (self.scroll.child.box.focus.child_id != self.tabs_id) return null; 280 const child_id = self.tabsChild().widget.box.focus.child_id orelse return null; 281 return self.tab_ids.getIndex(child_id); 282 } 283 284 fn tabsChild(self: *const View) *wgt.Box(ui.Widget).Child { 285 return self.scroll.child.box.children.getPtr(self.tabs_id) orelse unreachable; 286 } 287 }; 288