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

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

.. Attachment.zig Comment.zig Commits.zig Diff.zig Discussions.zig Events.zig Files.zig ╭─────────────────────────────────╮ │Header.zig │ ╰─────────────────────────────────╯ Issues.zig Markdown.zig Patches.zig Refs.zig Undo.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 diff_tab_label = "diff"; 14 const commits_tab_label = "commits"; 15 const files_tab_label = "files"; 16 const refs_tab_label = "refs"; 17 const issues_tab_label = "issues"; 18 const patches_tab_label = "patches"; 19 const discuss_tab_label = "discuss"; 20 const events_tab_label = "events"; 21 const settings_tab_label = "settings"; 22 23 pub const AuthTab = @import("./../AuthTab.zig"); 24 25 const RefOrOid = ui.RoutablePage.RefOrOid; 26 const Array = ui.RoutablePage.Array(ui.RoutablePage.repo_route_max_len); 27 28 name: []const u8, 29 owner_name: []const u8, 30 title: ui.Title, 31 // the ref/oid this page is viewing; the value is url-encoded 32 ref_or_oid: RefOrOid, 33 ref_or_oid_value: []const u8, 34 // the issues tab's label filter, url-encoded ("" = unfiltered), so the tab links 35 // back to the filtered list. 36 issues_label: []const u8, 37 patches_label: []const u8, 38 discussions_label: []const u8, 39 40 const Self = @This(); 41 42 pub fn init(arena: *std.heap.ArenaAllocator, name: []const u8, owner_name: []const u8, ref_or_oid: RefOrOid, ref_or_oid_value: []const u8, issues_label: []const u8, patches_label: []const u8, discussions_label: []const u8) !Self { 43 return .{ 44 .name = name, 45 .owner_name = owner_name, 46 .title = try ui.Title.init(arena, name, .scanlines), 47 .ref_or_oid = ref_or_oid, 48 .ref_or_oid_value = ref_or_oid_value, 49 .issues_label = issues_label, 50 .patches_label = patches_label, 51 .discussions_label = discussions_label, 52 }; 53 } 54 55 pub const View = struct { 56 scroll: wgt.Scroll(ui.Widget), 57 tab_ids: std.AutoArrayHashMapUnmanaged(usize, void), 58 tabs_id: usize, 59 gap_id: usize, 60 first_group_width: usize, 61 session: *ui.Session, 62 63 pub fn init(allocator: std.mem.Allocator, page: *const ui.Repo, session: *ui.Session) !View { 64 const data = &page.header; 65 var box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = .hidden, .round_corners = true, .direction = .horiz }); 66 errdefer box.deinit(allocator); 67 68 var title_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 69 var title_box_owned = false; 70 errdefer if (!title_box_owned) title_box.deinit(allocator); 71 72 var tabs_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 73 var tabs_box_owned = false; 74 errdefer if (!tabs_box_owned) tabs_box.deinit(allocator); 75 76 var tab_ids: std.AutoArrayHashMapUnmanaged(usize, void) = .empty; 77 errdefer tab_ids.deinit(allocator); 78 79 const aa = session.page_arena.allocator(); 80 const ref_name = std.Uri.percentDecodeInPlace(try aa.dupe(u8, page.files.patchrev_id orelse data.ref_or_oid_value)); 81 const bottom_label = try ui.clippedBottomLabel(try aa.alloc(u8, ui.clipped_bottom_label_max_len), ref_name); 82 const bottom_label_width = try xitui.width.displayWidth(bottom_label); 83 const changes_label = switch (page.changes) { 84 .diff => diff_tab_label, 85 .commits => |c| if (c.commit_count) |count| try std.fmt.allocPrint(aa, commits_tab_label ++ " ({d})", .{count}) else commits_tab_label, 86 }; 87 const changes_label_width = try xitui.width.displayWidth(changes_label); 88 var first_group_width = try data.title.width(); 89 90 try ui.widget.addBackButton(allocator, &title_box, session); 91 92 // the user's name (local mode has no user pages to link to) 93 if (session.data.host_kind == .server) { 94 var text_buf: [evt.User.name_max_len + 1]u8 = undefined; 95 const text = try std.fmt.bufPrint(&text_buf, "{s}/", .{data.owner_name}); 96 const link = try std.fmt.allocPrint(aa, "a:/user/{s}", .{data.owner_name}); 97 98 var text_box = try wgt.TextBox.init(allocator, text, .{ .border_style = .hidden, .wrap_kind = .none }); 99 errdefer text_box.deinit(allocator); 100 text_box.getFocus().mode = .all; 101 text_box.getFocus().kind = .{ .custom = link }; 102 first_group_width += try xitui.width.displayWidth(text) + 2; 103 try title_box.children.put(allocator, text_box.getFocus().id, .{ 104 .widget = .{ .text_box = text_box }, 105 .rect = null, 106 .min_size = null, 107 }); 108 } 109 110 // local routes carry no identity, so their urls come out elided 111 const identity = if (session.data.host_kind == .local) "" else try std.fmt.allocPrint(aa, "{s}/{s}", .{ data.owner_name, data.name }); 112 113 // title links to the repo's files root (the bare route, so it resolves 114 // to the default branch). 115 { 116 const files_root_route = ui.RoutablePage.repoFilesRoute(identity, null, "", "", 0) orelse return error.RouteTooLong; 117 const title_link = try std.fmt.allocPrint(aa, "a:{s}", .{try files_root_route.toUrl(session.page_arena)}); 118 var title_view = try ui.Title.View.init(allocator, &data.title); 119 errdefer title_view.deinit(allocator); 120 title_view.getFocus().mode = .all; 121 title_view.getFocus().kind = .{ .custom = title_link }; 122 try title_box.children.put(allocator, title_view.getFocus().id, .{ 123 .widget = .{ .title = title_view }, 124 .rect = null, 125 .min_size = null, 126 }); 127 } 128 129 // spacer 130 { 131 var text = try wgt.Text.init(allocator, " "); 132 errdefer text.deinit(allocator); 133 try tabs_box.children.put(allocator, text.getFocus().id, .{ 134 .widget = .{ .text = text }, 135 .rect = null, 136 .min_size = .{ .width = 1, .height = null }, 137 }); 138 } 139 140 // every tab link is repo-scoped so selecting one stays on this page — 141 // switching its stack and updating the url — instead of navigating to 142 // the global settings or auth pages. the "ai:" prefix makes each an 143 // in-page anchor: crossPageLink ignores it so a wasm click just switches 144 // tabs (the page already holds every tab's content), while the href is 145 // still followed with js off. the files tab routes through the shared 146 // helper so the /repo/.../files url format lives in one place. 147 // files and changes keep the same ref or revision when switching tabs. 148 // the files tab opens at its root directory. 149 const current_page = session.data.current_page; 150 const current_tag = std.meta.activeTag(current_page); 151 const files_route = page.files.filesRoute("", 0) orelse return error.RouteTooLong; 152 const files_link = try ui.inPageTabLink(session, files_route, current_tag == .repo_files); 153 const changes_route = (switch (page.changes) { 154 .diff => |d| d.route.page(d.window.start, d.path), 155 .commits => |c| ui.RoutablePage.repoCommitsRoute(identity, data.ref_or_oid, data.ref_or_oid_value, 0, "", c.base_oid), 156 }) orelse return error.RouteTooLong; 157 const changes_tag = std.meta.activeTag(changes_route); 158 const changes_link = try ui.inPageTabLink(session, changes_route, current_tag == changes_tag); 159 const refs_route = ui.RoutablePage.repoRefsRoute(identity, .branch, "") orelse return error.RouteTooLong; 160 const refs_link = try ui.inPageTabLink(session, refs_route, current_tag == .repo_refs); 161 const issues_route = ui.RoutablePage.repoIssuesRoute(identity, .open, data.issues_label, "") orelse return error.RouteTooLong; 162 const issues_link = try ui.inPageTabLink(session, issues_route, current_tag == .repo_issues); 163 const patches_route = ui.RoutablePage.repoPatchesRoute(identity, .open, data.patches_label, "") orelse return error.RouteTooLong; 164 const patches_link = try ui.inPageTabLink(session, patches_route, current_tag == .repo_patches); 165 const discussions_route = ui.RoutablePage.repoDiscussionsRoute(identity, data.discussions_label, "") orelse return error.RouteTooLong; 166 const discussions_link = try ui.inPageTabLink(session, discussions_route, current_tag == .repo_discussions); 167 const events_route = ui.RoutablePage.repoEventsRoute(identity, .active, null, "", null) orelse return error.RouteTooLong; 168 const events_link = try ui.inPageTabLink(session, events_route, current_tag == .repo_events); 169 const settings_route = ui.RoutablePage{ .repo_settings = Array.from(identity) orelse return error.RouteTooLong }; 170 const settings_link = try ui.inPageTabLink(session, settings_route, current_tag == .repo_settings); 171 const auth_route = ui.RoutablePage{ .repo_auth = Array.from(identity) orelse return error.RouteTooLong }; 172 const auth_link = try ui.inPageTabLink(session, auth_route, current_tag == .repo_auth); 173 174 // the tab matching the current page is focused initially; matching by 175 // link (rather than position) keeps this robust to tab changes. 176 var selected_tab: ?usize = null; 177 178 // files tab 179 { 180 var text_box = try wgt.TextBox.init(allocator, files_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .bottom_label = bottom_label }); 181 errdefer text_box.deinit(allocator); 182 text_box.getFocus().mode = .all; 183 text_box.getFocus().kind = .{ .custom = files_link }; 184 try tab_ids.put(allocator, text_box.getFocus().id, {}); 185 if (current_tag == .repo_files) selected_tab = text_box.getFocus().id; 186 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 187 .widget = .{ .text_box = text_box }, 188 .rect = null, 189 .min_size = .{ .width = @max(files_tab_label.len, bottom_label_width) + 2, .height = null }, 190 }); 191 } 192 193 // commits, or the comparison selected by a diff / patchrev url 194 { 195 var text_box = try wgt.TextBox.init(allocator, changes_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .bottom_label = bottom_label }); 196 errdefer text_box.deinit(allocator); 197 text_box.getFocus().mode = .all; 198 text_box.getFocus().kind = .{ .custom = changes_link }; 199 try tab_ids.put(allocator, text_box.getFocus().id, {}); 200 if (current_tag == changes_tag) selected_tab = text_box.getFocus().id; 201 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 202 .widget = .{ .text_box = text_box }, 203 .rect = null, 204 .min_size = .{ .width = @max(changes_label_width, bottom_label_width) + 2, .height = null }, 205 }); 206 } 207 208 // refs tab 209 { 210 var text_box = try wgt.TextBox.init(allocator, refs_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 211 errdefer text_box.deinit(allocator); 212 text_box.getFocus().mode = .all; 213 text_box.getFocus().kind = .{ .custom = refs_link }; 214 try tab_ids.put(allocator, text_box.getFocus().id, {}); 215 if (current_tag == .repo_refs) selected_tab = text_box.getFocus().id; 216 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 217 .widget = .{ .text_box = text_box }, 218 .rect = null, 219 .min_size = .{ .width = refs_tab_label.len + 2, .height = null }, 220 }); 221 } 222 223 // issues tab 224 { 225 var text_box = try wgt.TextBox.init(allocator, issues_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 226 errdefer text_box.deinit(allocator); 227 text_box.getFocus().mode = .all; 228 text_box.getFocus().kind = .{ .custom = issues_link }; 229 try tab_ids.put(allocator, text_box.getFocus().id, {}); 230 if (current_tag == .repo_issues) selected_tab = text_box.getFocus().id; 231 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 232 .widget = .{ .text_box = text_box }, 233 .rect = null, 234 .min_size = .{ .width = issues_tab_label.len + 2, .height = null }, 235 }); 236 } 237 238 // patches tab 239 { 240 var text_box = try wgt.TextBox.init(allocator, patches_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 241 errdefer text_box.deinit(allocator); 242 text_box.getFocus().mode = .all; 243 text_box.getFocus().kind = .{ .custom = patches_link }; 244 try tab_ids.put(allocator, text_box.getFocus().id, {}); 245 if (current_tag == .repo_patches) selected_tab = text_box.getFocus().id; 246 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 247 .widget = .{ .text_box = text_box }, 248 .rect = null, 249 .min_size = .{ .width = patches_tab_label.len + 2, .height = null }, 250 }); 251 } 252 253 // discuss tab 254 { 255 var text_box = try wgt.TextBox.init(allocator, discuss_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 256 errdefer text_box.deinit(allocator); 257 text_box.getFocus().mode = .all; 258 text_box.getFocus().kind = .{ .custom = discussions_link }; 259 try tab_ids.put(allocator, text_box.getFocus().id, {}); 260 if (current_tag == .repo_discussions) selected_tab = text_box.getFocus().id; 261 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 262 .widget = .{ .text_box = text_box }, 263 .rect = null, 264 .min_size = .{ .width = discuss_tab_label.len + 2, .height = null }, 265 }); 266 } 267 268 // events, which a server only shows to whoever it shows undo to 269 if (session.data.host_kind == .local or page.undo != null) { 270 var text_box = try wgt.TextBox.init(allocator, events_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 271 errdefer text_box.deinit(allocator); 272 text_box.getFocus().mode = .all; 273 text_box.getFocus().kind = .{ .custom = events_link }; 274 try tab_ids.put(allocator, text_box.getFocus().id, {}); 275 if (current_tag == .repo_events) selected_tab = text_box.getFocus().id; 276 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 277 .widget = .{ .text_box = text_box }, 278 .rect = null, 279 .min_size = .{ .width = events_tab_label.len + 2, .height = null }, 280 }); 281 } 282 283 if (page.undo != null) { 284 const route = ui.RoutablePage.repoUndoRoute(identity, null) orelse return error.RouteTooLong; 285 var text_box = try wgt.TextBox.init(allocator, "undo", .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 286 errdefer text_box.deinit(allocator); 287 text_box.getFocus().mode = .all; 288 text_box.getFocus().kind = .{ .custom = try ui.inPageTabLink(session, route, current_tag == .repo_undo) }; 289 try tab_ids.put(allocator, text_box.getFocus().id, {}); 290 if (current_tag == .repo_undo) selected_tab = text_box.getFocus().id; 291 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 292 .widget = .{ .text_box = text_box }, 293 .rect = null, 294 .min_size = .{ .width = 6, .height = null }, 295 }); 296 } 297 298 // spacer pushes settings + auth to the right 299 { 300 var spacer = try ui.widget.Spacer.init(allocator); 301 errdefer spacer.deinit(allocator); 302 try tabs_box.children.put(allocator, spacer.getFocus().id, .{ 303 .widget = .{ .spacer = spacer }, 304 .rect = null, 305 .min_size = null, 306 .flex = .grow, 307 }); 308 } 309 310 // settings tab. settings are account preferences, so it needs a login 311 // (which also rules out local mode, which has no accounts). 312 if (session.data.user_id != null) { 313 var text_box = try wgt.TextBox.init(allocator, settings_tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 314 errdefer text_box.deinit(allocator); 315 text_box.getFocus().mode = .all; 316 text_box.getFocus().kind = .{ .custom = settings_link }; 317 try tab_ids.put(allocator, text_box.getFocus().id, {}); 318 if (current_tag == .repo_settings) selected_tab = text_box.getFocus().id; 319 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 320 .widget = .{ .text_box = text_box }, 321 .rect = null, 322 .min_size = .{ .width = settings_tab_label.len + 2, .height = null }, 323 }); 324 } 325 326 // auth tab (login / logout). AuthTab defaults to the global ai:/auth 327 // link; repoint its instance at this repo's auth route so it stays on 328 // this page. local mode has no accounts, so it has no auth tab. 329 if (session.data.host_kind == .server) { 330 var auth_tab = try AuthTab.View.init(allocator, session); 331 errdefer auth_tab.deinit(allocator); 332 auth_tab.text_box.getFocus().kind = .{ .custom = auth_link }; 333 try tab_ids.put(allocator, auth_tab.getFocus().id, {}); 334 if (current_tag == .repo_auth) selected_tab = auth_tab.getFocus().id; 335 try tabs_box.children.put(allocator, auth_tab.getFocus().id, .{ 336 .widget = .{ .auth_tab = auth_tab }, 337 .rect = null, 338 .min_size = .{ .width = auth_tab.minWidth(), .height = null }, 339 }); 340 } 341 342 // quit tab 343 if (session.is_terminal) { 344 var text_box = try wgt.TextBox.init(allocator, ui.Quit.tab_label, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none }); 345 errdefer text_box.deinit(allocator); 346 text_box.getFocus().mode = .all; 347 text_box.getFocus().kind = .{ .custom = ui.Quit.tab_kind }; 348 try tab_ids.put(allocator, text_box.getFocus().id, {}); 349 try tabs_box.children.put(allocator, text_box.getFocus().id, .{ 350 .widget = .{ .text_box = text_box }, 351 .rect = null, 352 // the label is a single column; +2 for the border 353 .min_size = .{ .width = 1 + 2, .height = null }, 354 }); 355 } 356 357 tabs_box.getFocus().child_id = selected_tab orelse tab_ids.keys()[0]; 358 const title_id = title_box.getFocus().id; 359 const tabs_id = tabs_box.getFocus().id; 360 try box.children.put(allocator, title_id, .{ 361 .widget = .{ .box = title_box }, 362 .rect = null, 363 .min_size = null, 364 }); 365 title_box_owned = true; 366 // a blank row between the title and the tabs, shown only when they wrap 367 const gap_id = blk: { 368 var gap = try wgt.Text.init(allocator, " "); 369 errdefer gap.deinit(allocator); 370 const id = gap.getFocus().id; 371 try box.children.put(allocator, id, .{ .widget = .{ .text = gap }, .rect = null, .min_size = null, .hidden = true }); 372 break :blk id; 373 }; 374 try box.children.put(allocator, tabs_id, .{ 375 .widget = .{ .box = tabs_box }, 376 .rect = null, 377 .min_size = null, 378 }); 379 tabs_box_owned = true; 380 box.getFocus().child_id = tabs_id; 381 382 return .{ 383 .scroll = try wgt.Scroll(ui.Widget).init(allocator, .{ .box = box }, .{ .direction = .horiz, .show_bar = false, .web_native = !session.is_terminal }), 384 .tab_ids = tab_ids, 385 .tabs_id = tabs_id, 386 .gap_id = gap_id, 387 .first_group_width = first_group_width, 388 .session = session, 389 }; 390 } 391 392 pub fn deinit(self: *View, allocator: std.mem.Allocator) void { 393 self.scroll.deinit(allocator); 394 self.tab_ids.deinit(allocator); 395 } 396 397 pub fn build(self: *View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 398 self.clearGrid(); 399 const box = &self.scroll.child.box; 400 const back_visible = self.session.back == .available; 401 ui.widget.setBackButtonVisible(box, back_visible); 402 const tabs_child = self.tabsChild(); 403 const tabs_box = &tabs_child.widget.box; 404 405 // only the selected tab shows its border 406 const selected_tab = if (box.getFocus().child_id == self.tabs_id) tabs_box.getFocus().child_id else null; 407 var tabs_width: usize = 0; 408 for (tabs_box.children.keys(), tabs_box.children.values()) |id, *child| { 409 const tb: ?*wgt.TextBox = switch (child.widget) { 410 .text_box => |*x| x, 411 .auth_tab => |*at| blk: { 412 // the label tracks login state per frame, so the width must too 413 child.min_size = .{ .width = at.minWidth(), .height = null }; 414 break :blk &at.text_box; 415 }, 416 else => null, 417 }; 418 if (tb) |t| ui.widget.markSelected(t, selected_tab == id); 419 tabs_width += if (child.min_size) |min_size| min_size.width orelse 0 else 0; 420 } 421 422 const viewport_width = constraint.max_size.width orelse constraint.min_size.width; 423 // the outer box's hidden border occupies two columns. keep the title 424 // and tabs together if they fit; otherwise tab strip on its own row. 425 const content_width = if (viewport_width) |width| width -| 2 else null; 426 const back_width: usize = if (back_visible) ui.widget.back_button_width else 0; 427 const wrap = if (content_width) |width| self.first_group_width + back_width + tabs_width > width else false; 428 box.options.direction = if (wrap) .vert else .horiz; 429 tabs_child.min_size = if (wrap) .{ .width = content_width, .height = null } else null; 430 (box.children.getPtr(self.gap_id) orelse unreachable).hidden = !wrap; 431 432 var scroll_constraint = constraint; 433 scroll_constraint.min_size.width = viewport_width; 434 try self.scroll.build(allocator, scroll_constraint, root_focus); 435 } 436 437 pub fn input(self: *View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 438 _ = allocator; 439 const current_tab = self.currentTabIndex() orelse return; 440 if (inp.moveTab(key, current_tab, self.tab_ids.count())) |new_tab| { 441 const tab_id = self.tab_ids.keys()[new_tab]; 442 root_focus.setFocus(tab_id); 443 const tabs_child = self.tabsChild(); 444 const tabs_rect = tabs_child.rect orelse return; 445 const tab = tabs_child.widget.box.children.get(tab_id) orelse return; 446 var rect = tab.rect orelse return; 447 rect.x += tabs_rect.x; 448 rect.y += tabs_rect.y; 449 self.scroll.scrollToRect(rect); 450 } 451 } 452 453 pub fn clearGrid(self: *View) void { 454 self.scroll.clearGrid(); 455 } 456 457 pub fn getGrid(self: View) ?Grid { 458 return self.scroll.getGrid(); 459 } 460 461 pub fn getFocus(self: *View) *Focus { 462 return self.scroll.getFocus(); 463 } 464 465 pub fn getSelectedIndex(self: View) ?usize { 466 return self.currentTabIndex(); 467 } 468 469 fn currentTabIndex(self: View) ?usize { 470 if (self.scroll.child.box.focus.child_id != self.tabs_id) return null; 471 const child_id = self.tabsChild().widget.box.focus.child_id orelse return null; 472 return self.tab_ids.getIndex(child_id); 473 } 474 475 fn tabsChild(self: *const View) *wgt.Box(ui.Widget).Child { 476 return self.scroll.child.box.children.getPtr(self.tabs_id) orelse unreachable; 477 } 478 }; 479