╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ Undo.zig ─────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭0979dd00..╮ 0979dd00.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (660) user
╭────╮ ╭ 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 Roles.zig Settings.zig ╭─────────────────────────────────╮ │Undo.zig │ ╰─────────────────────────────────╯
310 311 pub fn formatTimestamp(aa: std.mem.Allocator, timestamp: i64) ![]const u8 { 312 if (timestamp < 0) return aa.dupe(u8, "timestamp unavailable"); 313 const seconds = std.time.epoch.EpochSeconds{ .secs = @intCast(timestamp) }; 314 const year = seconds.getEpochDay().calculateYearDay(); 315 const month = year.calculateMonthDay(); 316 const day = seconds.getDaySeconds(); 317 const months = [_][]const u8{ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; 318 return aa.print("{s} {d}, {d}, {d:0>2}:{d:0>2}:{d:0>2} UTC", .{ months[month.month.numeric() - 1], month.day_index + 1, year.year, day.getHoursIntoDay(), day.getMinutesIntoHour(), day.getSecondsIntoMinute() }); 319 } 320 321 pub fn execute(io: std.Io, allocator: std.mem.Allocator, source: ui.RepoSource, index: u64) !void { 322 if (source.repo_kind != .xit) return error.NotFound; 323 var any_repo = try rp.AnyRepo(.xit, .{}).open(io, allocator, source.localInitOpts()); 324 defer any_repo.deinit(io, allocator); 325 switch (any_repo) { 326 inline else => |*repo| try repo.undo(io, index), 327 } 328 } 329 330 // discard every earlier transaction by compacting the database. the patch 331 // revisions events point at are unreachable from the refs, so they are named 332 // as extra roots to survive the collection. 333 pub fn clearHistory(io: std.Io, allocator: std.mem.Allocator, source: ui.RepoSource) !void { 334 if (source.repo_kind != .xit) return error.NotFound; 335 var any_repo = try rp.AnyRepo(.xit, .{}).open(io, allocator, source.localInitOpts()); 336 defer any_repo.deinit(io, allocator); 337 switch (any_repo) { 338 inline else => |*repo| { 339 const opts = repo.self_repo_opts; 340 // a repo that has consumed no events has no revisions to protect 341 const roots = if (evt.currentMoment(opts, repo)) |moment| 342 try evt.PatchRev.gcRoots(rp.Repo(.xit, opts).DB, opts.hash, allocator, moment) 343 else |_| 344 &.{}; 345 defer allocator.free(roots); 346 _ = try repo.garbageCollect(io, allocator, .{ .extra_roots = roots }); 347 }, 348 } 349 } 350 351 // keep action failures on the current tab without rebuilding a stale route. 352 pub fn handleRequest(allocator: std.mem.Allocator, session: *ui.Session, target: ui.RoutablePage.RepoUndoRoute) void { 353 perform(allocator, session, target) catch |err| { 354 session.data.undo_failure = @errorName(err); 355 return; 356 }; 357 session.data.undo_failure = null; 358 } 359 360 // both terminal hosts resolve and authorize the request afresh before opening 361 // the repository; the web handler uses its matching http authorization path. 362 pub fn perform(allocator: std.mem.Allocator, session: *ui.Session, target: ui.RoutablePage.RepoUndoRoute) !void { 363 const identity = target.name.slice(); 364 const index = if (target.clear) null else target.index orelse return error.InvalidHistoryIndex; 365 const source = try authorizedSource(session, identity) orelse return error.Forbidden; 366 const io = session.io orelse return error.NotFound; 367 if (index) |value| try execute(io, allocator, source, value) else try clearHistory(io, allocator, source); 368 try session.navigate(ui.RoutablePage.repoUndoRoute(identity, null) orelse return error.RouteTooLong); 369 } 370 371 // the repo an owner may act on, or null when they may not 372 fn authorizedSource(session: *ui.Session, identity: []const u8) !?ui.RepoSource { 373 if (try session.authorize(identity, .owner, null) == null) return null; 374 if (session.local) |local| return local; 375 const admin_repo = session.admin_repo orelse return error.NotFound; 376 const moment = try evt.currentMoment(evt.admin_repo_opts, admin_repo); 377 const pair = ui.RoutablePage.RepoIdentity.parse(identity) orelse return error.NotFound; 378 const io = session.io orelse return error.NotFound; 379 const users_dir = session.users_dir orelse return error.NotFound; 380 const found = try evt.readRepoByOwnerAndName(io, session.page_arena.child_allocator, session.page_arena, moment, users_dir, pair.owner, pair.name, null) orelse return error.NotFound; 381 return .{ .path = try evt.repoPath(session.page_arena.allocator(), users_dir, found.repo.event.user_id, &found.event_id), .repo_kind = .xit }; 382 } 383 384 pub const View = struct { 385 box: wgt.Box(ui.Widget), 386 data: *const Self, 387 session: *ui.Session, 388 detailed_index: ?usize = null, 389 shown_failure: ?[]const u8 = null, 390 391 const list_max_width = 20; 392 const detail_min_width = 40; 393 const header_index = 0; 394 const content_index = 1; 395 // the undo button and the timestamp; everything below them is rebuilt 396 const fixed_rows = 2; 397 398 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !View { 399 var outer = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .vert }); 400 errdefer outer.deinit(allocator); 401 402 // the sub header carries the tab's only action 403 { 404 var header = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .horiz }); 405 errdefer header.deinit(allocator); 406 const route = ui.RoutablePage.repoUndoClearRoute(data.identity) orelse return error.RouteTooLong; 407 const link = try session.page_arena.allocator().print("a:{s}", .{try route.toUrl(session.page_arena)}); 408 try addText(allocator, &header, "clear undo history", link, .single); 409 header.getFocus().child_id = header.children.keys()[0]; 410 // a row taller than the header, leaving a blank line beneath it 411 try outer.children.put(allocator, header.getFocus().id, .{ .widget = .{ .box = header }, .rect = null, .min_size = .{ .width = null, .height = 4 } }); 412 } 413 414 if (data.clear) { 415 var center = try initClearForm(allocator, data, session); 416 errdefer center.deinit(allocator); 417 try outer.children.put(allocator, center.getFocus().id, .{ .widget = .{ .center = center }, .rect = null, .min_size = null }); 418 outer.getFocus().child_id = outer.children.keys()[content_index]; 419 return .{ .box = outer, .data = data, .session = session }; 420 } 421 422 var box = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .horiz }); 423 errdefer box.deinit(allocator); 424 { 425 var scroll = blk: { 426 var rows = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .vert, .stretch = true }); 427 errdefer rows.deinit(allocator); 428 for (data.items) |item| { 429 try addText(allocator, &rows, item.action, item.link, .hidden); 430 // a transaction a later undo discarded says so on its border 431 if (item.undone) rows.children.values()[rows.children.count() - 1].widget.text_box.options.bottom_label.text = "(undone)"; 432 } 433 if (data.next) |next| { 434 const route = ui.RoutablePage.repoUndoRoute(data.identity, next) orelse return error.RouteTooLong; 435 try addText(allocator, &rows, "next →", try session.page_arena.allocator().print("a:{s}", .{try route.toUrl(session.page_arena)}), .hidden); 436 } 437 if (data.items.len == 0) try addText(allocator, &rows, "no undo history", null, .hidden); 438 rows.getFocus().child_id = rows.children.keys()[0]; 439 break :blk try wgt.Scroll(ui.Widget).init(allocator, .{ .box = rows }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 440 }; 441 errdefer scroll.deinit(allocator); 442 try box.children.put(allocator, scroll.getFocus().id, .{ .widget = .{ .scroll = scroll }, .rect = null, .min_size = .{ .width = list_max_width, .height = null }, .max_size = .{ .width = list_max_width, .height = null } }); 443 } 444 { 445 var scroll = blk: { 446 var details = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .vert }); 447 errdefer details.deinit(allocator); 448 if (data.items.len > 0) { 449 try addText(allocator, &details, "", null, .single); 450 try addLabeled(allocator, &details, " timestamp ", "", null); 451 details.getFocus().child_id = details.children.keys()[0]; 452 } 453 break :blk try wgt.Scroll(ui.Widget).init(allocator, .{ .box = details }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 454 }; 455 errdefer scroll.deinit(allocator); 456 scroll.getFocus().mode = .mouse; 457 try box.children.put(allocator, scroll.getFocus().id, .{ .widget = .{ .scroll = scroll }, .rect = null, .min_size = .{ .width = detail_min_width, .height = null } }); 458 } 459 box.getFocus().child_id = box.children.keys()[if (data.items.len > 0) 1 else 0]; 460 try outer.children.put(allocator, box.getFocus().id, .{ .widget = .{ .box = box }, .rect = null, .min_size = null }); 461 outer.getFocus().child_id = outer.children.keys()[content_index]; 462 return .{ .box = outer, .data = data, .session = session }; 463 } 464 465 // the same shape the thread views use to confirm a removal 466 fn initClearForm(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !ui.widget.Center { 467 var box = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .round_corners = true, .direction = .vert }); 468 errdefer box.deinit(allocator); 469 const route = ui.RoutablePage.repoUndoClearRoute(data.identity) orelse return error.RouteTooLong; 470 box.getFocus().kind = .{ .custom = try session.page_arena.allocator().print("form:{s}", .{try route.toUrl(session.page_arena)}) }; 471 472 var prompt = try wgt.Text.init(allocator, "are you sure?"); 473 errdefer prompt.deinit(allocator); 474 try box.children.put(allocator, prompt.getFocus().id, .{ .widget = .{ .text = prompt }, .rect = null, .min_size = null }); 475 476 var button = try wgt.TextBox.init(allocator, "clear undo history", .{ .border = .single, .round_corners = true, .wrap_kind = .none }); 477 errdefer button.deinit(allocator); 478 button.getFocus().mode = .all; 479 button.getFocus().kind = if (data.handle.canUndo()) .{ .custom = "submit" } else .text_box; 480 try box.children.put(allocator, button.getFocus().id, .{ .widget = .{ .text_box = button }, .rect = null, .min_size = null }); 481 box.getFocus().child_id = button.getFocus().id; 482 483 return ui.widget.Center.init(allocator, .{ .box = box }); 484 } 485 486 fn addText(allocator: std.mem.Allocator, box: *wgt.Box(ui.Widget), text: []const u8, link: ?[]const u8, border: wgt.Border) !void { 487 var row = try wgt.TextBox.init(allocator, text, .{ .border = border, .round_corners = true, .wrap_kind = .word }); 488 errdefer row.deinit(allocator); 489 row.getFocus().mode = .all; 490 if (link) |value| row.getFocus().kind = .{ .custom = value }; 491 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .text_box = row }, .rect = null, .min_size = null }); 492 } 493 494 // a labeled row below the timestamp, added as the selected action needs it 495 fn addLabeled(allocator: std.mem.Allocator, box: *wgt.Box(ui.Widget), label: []const u8, text: []const u8, link: ?[]const u8) !void { 496 try addText(allocator, box, text, link, .single); 497 box.children.values()[box.children.count() - 1].widget.text_box.options.top_label.text = label; 498 } 499 500 // enter counts only on the focused button; a click counts anywhere on it 501 fn activated(root_focus: *Focus, button_id: usize, key: Key) bool { 502 return switch (key) { 503 .enter => root_focus.grandchild_id == button_id, 504 .mouse => |mouse| inp.leftClickOn(root_focus, button_id, mouse), 505 else => false, 506 }; 507 } 508 509 // the terminal hosts run the action after rendering; the web renderer 510 // posts the form instead, and wasm has no repository to act on 511 fn requestUndo(self: *View, route: ui.RoutablePage) void { 512 if (builtin.target.cpu.arch == .wasm32) return; 513 if (!self.session.is_terminal or self.session.host_request != null) return; 514 self.session.host_request = .{ .undo = route.repo_undo }; 515 } 516 517 fn headerBox(self: *View) *wgt.Box(ui.Widget) { 518 return &self.box.children.values()[header_index].widget.box; 519 } 520 fn headerActive(self: *View) bool { 521 return self.box.getFocus().child_id == self.headerBox().getFocus().id; 522 } 523 fn contentBox(self: *View) *wgt.Box(ui.Widget) { 524 return &self.box.children.values()[content_index].widget.box; 525 } 526 fn listScroll(self: *View) *wgt.Scroll(ui.Widget) { 527 return &self.contentBox().children.values()[0].widget.scroll; 528 } 529 fn detailScroll(self: *View) *wgt.Scroll(ui.Widget) { 530 return &self.contentBox().children.values()[1].widget.scroll; 531 } 532 fn selected(self: *View) ?usize { 533 const rows = &self.listScroll().child.box; 534 const index = rows.children.getIndex(rows.getFocus().child_id orelse return null) orelse return null; 535 return if (index < self.data.items.len) index else null; 536 } 537 fn detailActive(self: *View) bool { 538 return self.contentBox().getFocus().child_id == self.detailScroll().getFocus().id; 539 } 540 541 fn refreshDetail(self: *View, allocator: std.mem.Allocator) !void { 542 const index = self.selected() orelse return; 543 const failure = self.session.data.undo_failure orelse self.data.failure; 544 if (self.detailed_index == index and std.meta.eql(self.shown_failure, failure)) return; 545 const details = &self.detailScroll().child.box; 546 while (details.children.count() > fixed_rows) { 547 var entry = details.children.pop() orelse break; 548 entry.value.widget.deinit(allocator); 549 } 550 const item = self.data.items[index]; 551 const enabled = self.data.handle.canUndo() and item.index > 0; 552 553 // the fixed rows are filled first, since adding the ones below 554 // invalidates every pointer into the box 555 { 556 const button = &details.children.values()[0].widget.text_box; 557 try button.setContent(allocator, if (item.index == 0) "initial state cannot be undone" else if (item.index == self.data.count - 1) "undo this" else "undo this and all above it"); 558 button.getFocus().kind = if (enabled) .{ .custom = "submit" } else .text_box; 559 } 560 try details.children.values()[1].widget.text_box.setContent(allocator, item.timestamp); 561 562 // some actions put buttons where the description would go 563 if (item.buttons.len == 0) { 564 try addLabeled(allocator, details, " description ", item.description, null); 565 } else for (item.buttons) |detail_button| { 566 try addLabeled(allocator, details, detail_button.label, detail_button.text, detail_button.link); 567 } 568 if (failure) |message| try addText(allocator, details, try self.session.page_arena.allocator().print("error: {s}", .{message}), null, .single); 569 self.shown_failure = failure; 570 details.getFocus().kind = if (enabled) .{ .custom = item.form } else .container; 571 details.getFocus().child_id = details.children.keys()[0]; 572 self.detailScroll().x = 0; 573 self.detailScroll().y = 0; 574 self.detailScroll().getFocus().version +%= 1; 575 self.detailed_index = index; 576 } 577 578 pub fn build(self: *View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 579 self.clearGrid(); 580 if (self.data.clear) return try self.box.build(allocator, constraint, root_focus); 581 try self.refreshDetail(allocator); 582 const rows = &self.listScroll().child.box; 583 if (self.data.items.len == 0) { 584 const failure = self.session.data.undo_failure orelse self.data.failure; 585 if (!std.meta.eql(self.shown_failure, failure)) { 586 const message = if (failure) |name| try self.session.page_arena.allocator().print("error: {s}", .{name}) else "no undo history"; 587 try rows.children.values()[0].widget.text_box.setContent(allocator, message); 588 self.shown_failure = failure; 589 } 590 } 591 for (rows.children.keys(), rows.children.values()) |id, *child| ui.widget.markSelected(&child.widget.text_box, rows.getFocus().child_id == id); 592 const both_fit = if (constraint.max_size.width) |width| width >= list_max_width + detail_min_width else true; 593 self.contentBox().children.values()[0].max_size = if (both_fit) .{ .width = list_max_width, .height = null } else null; 594 const width = if (constraint.max_size.width) |value| if (both_fit) value - list_max_width else value else detail_min_width; 595 self.contentBox().children.values()[1].min_size = .{ .width = width, .height = null }; 596 for (self.detailScroll().child.box.children.values()) |*child| child.max_size = .{ .width = width -| 2, .height = null }; 597 try self.box.build(allocator, constraint, root_focus); 598 } 599 600 pub fn input(self: *View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 601 // the sub header sits above whichever content the route selects. 602 // scrolling crosses the boundary the same way the arrow keys do 603 const direction = inp.vertDirection(key); 604 if (self.headerActive()) { 605 if (direction == .down) root_focus.setFocus(self.box.children.values()[content_index].widget.getFocus().id); 606 return; 607 } 608 if (self.data.clear) { 609 if (direction == .up) root_focus.setFocus(self.headerBox().getFocus().id) else try self.clearInput(key, root_focus); 610 return; 611 } 612 if (direction == .up and self.contentAtTop()) { 613 root_focus.setFocus(self.headerBox().getFocus().id); 614 return; 615 } 616 try self.refreshDetail(allocator); 617 if (self.detailActive()) { 618 const details = &self.detailScroll().child.box; 619 if (self.selected()) |index| { 620 if (activated(root_focus, details.children.keys()[0], key) and self.data.handle.canUndo() and self.data.items[index].index > 0) { 621 self.requestUndo(ui.RoutablePage.repoUndoRoute(self.data.identity, self.data.items[index].index) orelse return error.RouteTooLong); 622 return; 623 } 624 } 625 if (key == .arrow_left) root_focus.setFocus(self.listScroll().getFocus().id) else if (inp.rowDelta(key, @intCast(details.children.count()))) |delta| ui.widget.moveRowFocus(details, self.detailScroll(), root_focus, delta); 626 } else if (inp.rowDelta(key, @intCast(self.listScroll().child.box.children.count()))) |delta| { 627 ui.widget.moveRowFocus(&self.listScroll().child.box, self.listScroll(), root_focus, delta); 628 } else switch (key) { 629 .arrow_right, .enter => if (self.selected() != null) { 630 root_focus.setFocus(self.detailScroll().getFocus().id); 631 }, 632 else => {}, 633 } 634 } 635 636 // the confirm button submits the form the web renderer posts 637 fn clearInput(self: *View, key: Key, root_focus: *Focus) !void { 638 const center = &self.box.children.values()[content_index].widget.center; 639 const button_id = center.child.box.getFocus().child_id orelse return; 640 if (!activated(root_focus, button_id, key) or !self.data.handle.canUndo()) return; 641 self.requestUndo(ui.RoutablePage.repoUndoClearRoute(self.data.identity) orelse return error.RouteTooLong); 642 } 643 644 fn contentAtTop(self: *View) bool { 645 const scroll = if (self.detailActive()) self.detailScroll() else self.listScroll(); 646 const rows = &scroll.child.box; 647 const id = rows.getFocus().child_id orelse return true; 648 return rows.children.getIndex(id) == 0 and scroll.y == 0; 649 } 650 651 // moving up from the sub header returns to the page's tabs 652 pub fn atTop(self: *View) bool { 653 return self.headerActive(); 654 } 655 656 // arriving from the page's tabs lands on the sub header, not the content 657 pub fn focusHeader(self: *View, root_focus: *Focus) bool { 658 root_focus.setFocus(self.headerBox().getFocus().id); 659 return true; 660 } 661 pub fn deinit(self: *View, allocator: std.mem.Allocator) void { 662 self.box.deinit(allocator); 663 } 664 pub fn clearGrid(self: *View) void { 665 self.box.clearGrid(); 666 } 667 pub fn getGrid(self: View) ?Grid { 668 return self.box.getGrid(); 669 } 670 pub fn getFocus(self: *View) *Focus { 671 return self.box.getFocus(); 672 } 673 }; 674