╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ ui.zig ───────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭f86fadde..╮ f86fadde.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (532) 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 patch.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
2626 errdefer { 2627 arena.deinit(); 2628 allocator.destroy(arena); 2629 } 2630 2631 session.page_arena = arena; 2632 const route = session.data.current_page; 2633 2634 const page = try arena.allocator().create(Page); 2635 page.* = try Page.init(arena, session, route); 2636 return .{ 2637 .root = try initRoot(allocator, page, session), 2638 .arena = arena, 2639 .history = .empty, 2640 }; 2641 } 2642 2643 pub fn deinit(self: *Nav, allocator: std.mem.Allocator) void { 2644 self.root.deinit(allocator); 2645 freeArena(allocator, self.arena); 2646 for (self.history.items) |*entry| { 2647 entry.root.deinit(allocator); 2648 freeArena(allocator, entry.arena); 2649 } 2650 self.history.deinit(allocator); 2651 } 2652 2653 fn freeArena(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator) void { 2654 arena.deinit(); 2655 allocator.destroy(arena); 2656 } 2657 2658 // reconcile the displayed root with the session's navigation state. a 2659 // forward nav (current_page moved to a different parent page) pushes the 2660 // current root and builds the new page in a fresh arena; a back request 2661 // frees the current page and restores the previous one. when escape is 2662 // pressed with no history left we switch to the quit tab instead of quitting. 2663 pub fn sync(self: *Nav, allocator: std.mem.Allocator, session: *Session) !void { 2664 // refresh: rebuild the current page in place from a current moment 2665 if (session.refresh_requested) { 2666 session.refresh_requested = false; 2667 if (session.haxy_moment != null or session.local != null) { 2668 const arena = try allocator.create(std.heap.ArenaAllocator); 2669 arena.* = std.heap.ArenaAllocator.init(allocator); 2670 errdefer freeArena(allocator, arena); 2671 2672 session.page_arena = arena; 2673 2674 const route = session.data.current_page; 2675 const page = try arena.allocator().create(Page); 2676 page.* = try Page.init(arena, session, route); 2677 const new_root = try initRoot(allocator, page, session); 2678 2679 self.root.deinit(allocator); 2680 freeArena(allocator, self.arena); 2681 self.root = new_root; 2682 self.arena = arena; 2683 } 2684 return; 2685 } 2686 2687 if (session.back == .requested) { 2688 if (self.history.pop()) |entry| { 2689 session.back = if (self.history.items.len == 0) .unavailable else .available; 2690 self.root.deinit(allocator); 2691 freeArena(allocator, self.arena); 2692 self.root = entry.root; 2693 self.arena = entry.arena; 2694 session.page_arena = entry.arena; 2695 session.data.current_page = entry.route; 2696 chooseAnsiArtForNavigation(session); 2697 return; 2698 } 2699 session.back = .unavailable; 2700 // nothing to go back to; switch to the quit confirmation 2701 const root_focus = self.root.getFocus(); 2702 var iter = root_focus.children.iterator(); 2703 while (iter.next()) |entry| { 2704 switch (entry.value_ptr.focus.kind) { 2705 .custom => |custom| if (std.mem.eql(u8, custom, Quit.tab_kind)) { 2706 root_focus.setFocus(entry.key_ptr.*); 2707 // a Stack only builds its selected child, so the quit 2708 // button isn't in the focus tree until a build runs with 2709 // the quit tab selected. build once, then send a 2710 // synthetic arrow_down to drop focus from the tab onto 2711 // the button so it's ready to confirm. 2712 try self.root.build(allocator, .{ 2713 .min_size = .{ .width = null, .height = 40 }, 2714 .max_size = .{ .width = 80, .height = null }, 2715 }, root_focus); 2716 try self.root.input(allocator, .arrow_down, root_focus); 2717 break; 2718 }, 2719 else => {}, 2720 } 2721 } 2722 return; 2723 } 2724 2725 // forward navigation: navigate() set next_page to the page to move to (a 2726 // cross-page link or tab change crossing pages) 2727 if (session.next_page) |route| { 2728 session.next_page = null; 2729 if (session.haxy_moment == null and session.local == null) return; 2730 const previous_route = session.data.current_page; 2731 // the page we navigated to becomes the current page 2732 session.data.current_page = route; 2733 session.back = .available; 2734 2735 const arena = try allocator.create(std.heap.ArenaAllocator); 2736 arena.* = std.heap.ArenaAllocator.init(allocator); 2737 errdefer freeArena(allocator, arena); 2738 2739 session.page_arena = arena; 2740 2741 const page = try arena.allocator().create(Page); 2742 page.* = try Page.init(arena, session, route); 2743 const new_root = try initRoot(allocator, page, session); 2744 2745 try self.history.append(allocator, .{ .root = self.root, .route = previous_route, .arena = self.arena }); 2746 // drop the oldest entry (freeing its widget tree and arena) once over cap 2747 if (self.history.items.len > max_history) { 2748 var oldest = self.history.orderedRemove(0); 2749 oldest.root.deinit(allocator); 2750 freeArena(allocator, oldest.arena); 2751 } 2752 self.root = new_root; 2753 self.arena = arena; 2754 } 2755 } 2756 }; 2757 2758 pub fn initRoot(allocator: std.mem.Allocator, page: *const Page, session: *Session) !Widget { 2759 const page_widget: Widget = switch (page.*) { 2760 .home => |*p| .{ .home = try .init(allocator, p, session) }, 2761 .user => |*p| .{ .user = try .init(allocator, p, session) }, 2762 .repo => |*p| .{ .repo = try .init(allocator, p, session) }, 2763 .fork => |*p| .{ .fork = try .init(allocator, p, session) }, 2764 }; 2765 2766 chooseAnsiArtForNavigation(session); 2767 2768 // on the TUI/SSH, the page sits above a one-row footer showing the url 2769 var root = if (session.is_terminal) blk: { 2770 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 2771 errdefer box.deinit(allocator); 2772 const bg_id = bg_blk: { 2773 var background = try widget.AnsiBackground.init(allocator, page_widget, session); 2774 errdefer background.deinit(allocator); 2775 const id = background.getFocus().id; 2776 try box.children.put(allocator, id, .{ .widget = .{ .background = background }, .rect = null, .min_size = null }); 2777 break :bg_blk id; 2778 }; 2779 { 2780 var footer = try widget.Footer.init(allocator, session); 2781 errdefer footer.deinit(allocator); 2782 try box.children.put(allocator, footer.getFocus().id, .{ .widget = .{ .footer = footer }, .rect = null, .min_size = .{ .width = null, .height = 1 } }); 2783 } 2784 box.getFocus().child_id = bg_id; 2785 break :blk Widget{ .box = box }; 2786 } else Widget{ .background = try widget.AnsiBackground.init(allocator, page_widget, session) }; 2787 errdefer root.deinit(allocator); 2788 2789 // input-owning views build their TextInputs in init, so reset their 2790 // registrations here 2791 session.text_inputs.clearRetainingCapacity(); 2792 2793 try root.build(allocator, .{ 2794 .min_size = .{ .width = null, .height = 40 }, 2795 .max_size = .{ .width = 100, .height = null }, 2796 }, root.getFocus()); 2797 2798 return root; 2799 } 2800 2801 // native and server-side sessions choose from the embedded collection. WASM 2802 // keeps the art serialized by the server instead. 2803 fn chooseAnsiArtForNavigation(session: *Session) void { 2804 if (comptime ansi_arts.len == 0) return; 2805 const io = session.io orelse return; 2806 var random: usize = undefined; 2807 io.random(std.mem.asBytes(&random)); 2808 session.data.ansi_art = ansi_arts[random % ansi_arts.len]; 2809 } 2810