╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ thread.zig ───────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭2df93b3b..╮ 2df93b3b.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (429) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. ╭─────────────────────────────────╮ │thread.zig │ ╰─────────────────────────────────╯
201 root_key: ?[]const u8, 202 conflict_set: ?evt.EventDB(hash_kind).SortedSet(.read_only), 203 selected_id: []const u8, 204 comments_start: usize, 205 ) !Data.Window { 206 const set = set_maybe orelse return .empty; 207 const DB = evt.EventDB(hash_kind); 208 const aa = arena.allocator(); 209 210 var prev_id: ?[]const u8 = null; 211 var iter = if (root_key) |key| blk: { 212 const rank = try set.rank(key); 213 if (rank > 0 and rank <= Data.page_size) { 214 prev_id = ""; 215 } else if (rank > Data.page_size) { 216 const pair = try set.getIndexKeyValuePair(@intCast(rank - Data.page_size)) orelse return error.NotFound; 217 var previous: [@sizeOf(u64) + evt.event_id_size]u8 = undefined; 218 _ = try pair.key_cursor.readBytes(&previous); 219 const hex = std.fmt.bytesToHex(previous[@sizeOf(u64)..].*, .lower); 220 prev_id = try aa.dupe(u8, &hex); 221 } 222 break :blk try set.iteratorFrom(key); 223 } else try set.iteratorFromIndex(0); 224 225 var items: std.ArrayList(Data.Entry) = .empty; 226 var next_id: ?[]const u8 = null; 227 while (try iter.next()) |cursor_value| { 228 var cursor = cursor_value; 229 const pair = try cursor.readKeyValuePair(); 230 var order_key: [@sizeOf(u64) + evt.event_id_size]u8 = undefined; 231 _ = try pair.key_cursor.readBytes(&order_key); 232 const id = order_key[@sizeOf(u64)..]; 233 const id_hex = std.fmt.bytesToHex(id.*, .lower); 234 if (items.items.len == Data.page_size) { 235 next_id = try aa.dupe(u8, &id_hex); 236 break; 237 } 238 const record_cursor = try records.getCursor(hash.hashInt(hash_kind, id)) orelse continue; 239 const record = try evt.read(Data.Event.Record, DB, hash_kind, arena, try DB.HashMap(.read_only).init(record_cursor)); 240 try items.append(aa, .{ 241 .id = try aa.dupe(u8, &id_hex), 242 .record = record, 243 .author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email), 244 .conflicted = if (conflict_set) |conflicts| try conflicts.contains(&order_key) else false, 245 .comments = try Comment.loadWindow( 246 hash_kind, 247 arena, 248 admin_moment, 249 haxy_moment, 250 evt.Comment.thread_id_to_comment_id_set_key, 251 &id_hex, 252 if (std.mem.eql(u8, &id_hex, selected_id)) comments_start else 0, 253 ), 254 .attachments = try Attachment.load(hash_kind, arena, haxy_moment, &id_hex), 255 }); 256 } 257 258 return .{ 259 .items = items.items, 260 .prev_id = prev_id, 261 .next_id = next_id, 262 .count = @intCast(try set.count()), 263 }; 264 } 265 266 // the common tab strip used by each thread page's sub-header 267 pub const Header = struct { 268 box: wgt.Box(Widget), 269 // focus id -> semantic stack index; some pages omit unavailable tabs 270 tab_ids: std.AutoArrayHashMapUnmanaged(usize, usize), 271 272 pub fn init(allocator: std.mem.Allocator) !Header { 273 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 274 errdefer box.deinit(allocator); 275 return .{ .box = box, .tab_ids = .empty }; 276 } 277 278 pub fn addTab(self: *Header, allocator: std.mem.Allocator, label: []const u8, link: []const u8, view_index: usize) !void { 279 var text_box = try wgt.TextBox.init(allocator, label, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 280 errdefer text_box.deinit(allocator); 281 text_box.getFocus().focusable = true; 282 text_box.getFocus().kind = .{ .custom = link }; 283 try self.tab_ids.put(allocator, text_box.getFocus().id, view_index); 284 try self.box.children.put(allocator, text_box.getFocus().id, .{ 285 .widget = .{ .text_box = text_box }, 286 .rect = null, 287 .min_size = .{ .width = label.len + 2, .height = null }, 288 }); 289 } 290 291 pub fn select(self: *Header, view_index: usize) void { 292 for (self.tab_ids.keys(), self.tab_ids.values()) |id, index| { 293 if (index == view_index) { 294 self.getFocus().child_id = id; 295 return; 296 } 297 } 298 } 299 300 pub fn deinit(self: *Header, allocator: std.mem.Allocator) void { 301 self.box.deinit(allocator); 302 self.tab_ids.deinit(allocator); 303 } 304 305 pub fn build(self: *Header, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 306 self.clearGrid(); 307 // only the selected tab shows its border 308 for (self.box.children.keys(), self.box.children.values()) |id, *child| { 309 switch (child.widget) { 310 .text_box => |*tb| tb.options.border_style = if (self.getFocus().child_id == id) .single else .hidden, 311 else => {}, 312 } 313 } 314 try self.box.build(allocator, constraint, root_focus); 315 } 316 317 pub fn input(self: *Header, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 318 _ = allocator; 319 const current_tab = self.currentTabIndex() orelse return; 320 if (inp.moveTab(key, current_tab, self.tab_ids.count())) |new_tab| { 321 root_focus.setFocus(self.tab_ids.keys()[new_tab]); 322 } 323 } 324 325 pub fn clearGrid(self: *Header) void { 326 self.box.clearGrid(); 327 } 328 329 pub fn getGrid(self: Header) ?Grid { 330 return self.box.getGrid(); 331 } 332 333 pub fn getFocus(self: *Header) *Focus { 334 return self.box.getFocus(); 335 } 336 337 pub fn getSelectedIndex(self: Header) ?usize { 338 const index = self.currentTabIndex() orelse return null; 339 return self.tab_ids.values()[index]; 340 } 341 342 fn currentTabIndex(self: Header) ?usize { 343 const child_id = self.box.focus.child_id orelse return null; 344 return self.tab_ids.getIndex(child_id); 345 } 346 }; 347 348 pub fn View(comptime kind: evt.EventKind, comptime Data: type) type { 349 const Self = Data; 350 const HeaderType = Data.Header; 351 const Window = Data.Window; 352 const Entry = Data.Entry; 353 const Event = Data.Event; 354 const Status = Data.Status; 355 const has_status = @hasField(Event, "status"); 356 const supports_conflicts = Event.merge_policy == .field_conflicts; 357 const supports_drafts = @hasField(Self, "drafts"); 358 const FieldConflict = if (supports_conflicts) Data.FieldConflict else void; 359 const ViewKind = Data.ViewKind; 360 const thread_name = Data.thread_name; 361 362 return struct { 363 const This = @This(); 364 // a vertical box: the header tabs on top, then a stack holding a 365 // master-detail split (thread list + description pane) per status list, 366 // plus the tags view. 367 box: wgt.Box(Widget), // vert: [header_index] = tabs, [stack_index] = stack 368 data: *const Self, 369 session: *ui.Session, 370 // per-split state, indexed like the stack's split children: the thread the 371 // pane shows and its focus ids. 372 detailed_index: [view_count]?usize, 373 title_id: [view_count]?usize, 374 description_id: [view_count]?usize, 375 author_id: [view_count]?usize, 376 377 const header_index: usize = 0; 378 const stack_index: usize = 1; 379 // indices within the stack, 1:1 with the header tabs. 380 const status_count = @typeInfo(Status).@"enum".fields.len; 381 const tags_view_index: usize = status_count; 382 // the new-thread form, or the edit, comment, or resolve form when the page was 383 // loaded at one of their urls. 384 const form_view_index: usize = tags_view_index + 1; 385 // the conflicts split; the tab and stack child exist only when the repo 386 // has conflicted threads. 387 const drafts_view_index: usize = form_view_index + 1; 388 const conflict_view_index: usize = drafts_view_index + @intFromBool(supports_drafts); 389 const view_count: usize = conflict_view_index + @intFromBool(supports_conflicts); 390 // indices within a split (the horizontal box inside the stack). 391 const list_index: usize = 0; 392 const detail_index: usize = 1; 393 const list_max_width: usize = 35; 394 const detail_min_width: usize = 40; 395 // indices within the thread form. 396 const title_field_index: usize = 0; 397 const tags_field_index: usize = 1; 398 const description_field_index: usize = 2; 399 const submit_field_index: usize = 3; 400 const comment_author_field_index: usize = 0; 401 const comment_body_field_index: usize = 1; 402 const comment_submit_field_index: usize = 2; 403 404 pub fn viewIndex(view: ViewKind) usize { 405 const name = @tagName(view); 406 if (std.mem.eql(u8, name, "tags")) return tags_view_index; 407 if (std.mem.eql(u8, name, "new") or std.mem.eql(u8, name, "edit") or std.mem.eql(u8, name, "new_comment") or std.mem.eql(u8, name, "edit_comment") or std.mem.eql(u8, name, "remove") or std.mem.eql(u8, name, "resolve")) return form_view_index; 408 if (std.mem.eql(u8, name, "conflicts")) return conflict_view_index; 409 if (std.mem.eql(u8, name, "drafts")) return drafts_view_index; 410 if (std.mem.eql(u8, name, "description")) unreachable; 411 inline for (@typeInfo(Status).@"enum".fields, 0..) |field, index| { 412 if (std.mem.eql(u8, name, field.name)) return index; 413 } 414 unreachable; 415 } 416 417 // the status a status split lists; the conflicts split has none (its 418 // threads carry their own). 419 fn splitStatus(index: usize) Status { 420 return @enumFromInt(index); 421 } 422 423 fn entryConflicted(entry: Entry) bool { 424 return if (supports_conflicts) entry.conflicted else false; 425 } 426 427 fn entryStatus(entry: Entry) Status { 428 return if (has_status) entry.record.event.status else @enumFromInt(0); 429 } 430 431 fn entryDraft(entry: Entry) bool { 432 return if (supports_drafts) entry.draft else false; 433 } 434 435 const StatusChange = struct { 436 action: []const u8, 437 status: Status, 438 }; 439 440 fn statusChange(status: Status) ?StatusChange { 441 const name = @tagName(status); 442 if (std.mem.eql(u8, name, "open")) return .{ 443 .action = "close", 444 .status = std.meta.stringToEnum(Status, "closed") orelse return null, 445 }; 446 if (std.mem.eql(u8, name, "closed")) return .{ 447 .action = "open", 448 .status = std.meta.stringToEnum(Status, "open") orelse return null, 449 }; 450 return null; 451 } 452 453 fn listRoute(identity: []const u8, status: Status, tag: []const u8, selected: []const u8) ?ui.RoutablePage { 454 return Data.listRoute(identity, status, tag, selected); 455 } 456 457 fn draftsRoute(identity: []const u8) ?ui.RoutablePage { 458 return if (supports_drafts) Data.draftsRoute(identity) else null; 459 } 460 461 fn conflictsRoute(identity: []const u8, selected: []const u8) ?ui.RoutablePage { 462 return if (supports_conflicts) Data.conflictsRoute(identity, selected) else null; 463 } 464 465 fn resolveRoute(identity: []const u8, selected: []const u8, picks: []const u8) ?ui.RoutablePage { 466 return if (supports_conflicts) Data.resolveRoute(identity, selected, picks) else null; 467 } 468 469 fn listLink(page_arena: *std.heap.ArenaAllocator, identity: []const u8, status: Status, tag: []const u8, id: []const u8) ![]const u8 { 470 const route = listRoute(identity, status, tag, id) orelse return error.RouteTooLong; 471 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{try route.toUrl(page_arena)}); 472 } 473 474 fn rowLink(page_arena: *std.heap.ArenaAllocator, data: *const Self, id: []const u8) ![]const u8 { 475 const selected = std.mem.eql(u8, id, data.selected_id); 476 const route = (if (selected and data.description_page) 477 ui.RoutablePage.repoThreadDescriptionRoute(kind, data.identity, id) 478 else if (selected) 479 if (data.comment_page) |page| 480 ui.RoutablePage.repoThreadCommentRoute(kind, data.identity, id, &page.selected.id, page.replies.start) 481 else 482 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, id, data.comments_start) 483 else 484 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, id, 0)) orelse return error.RouteTooLong; 485 return std.fmt.allocPrint(page_arena.allocator(), "ai:{s}", .{try route.toUrl(page_arena)}); 486 } 487 488 fn windowLink(page_arena: *std.heap.ArenaAllocator, data: *const Self, status_maybe: ?Status, drafts: bool, id: []const u8) ![]const u8 { 489 if (supports_conflicts and status_maybe == null and !drafts) { 490 const route = conflictsRoute(data.identity, id) orelse return error.RouteTooLong; 491 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{try route.toUrl(page_arena)}); 492 } 493 if (drafts and id.len == 0) { 494 const route = draftsRoute(data.identity) orelse return error.RouteTooLong; 495 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{try route.toUrl(page_arena)}); 496 } 497 return listLink(page_arena, data.identity, status_maybe orelse @enumFromInt(0), data.tag, id); 498 } 499 500 fn tagLink(page_arena: *std.heap.ArenaAllocator, identity: []const u8, status: Status, tag: []const u8) ![]const u8 { 501 const encoded = try ui.urlEncodeRef(page_arena.allocator(), tag); 502 return listLink(page_arena, identity, status, encoded, ""); 503 } 504 505 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !This { 506 var outer = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 507 errdefer outer.deinit(allocator); 508 509 // the tabs at the top. 510 { 511 var hdr = try Data.initHeader(allocator, session, data); 512 errdefer hdr.deinit(allocator); 513 try outer.children.put(allocator, hdr.getFocus().id, .{ .widget = @unionInit(Widget, Data.header_widget_name, hdr), .rect = null, .min_size = null }); 514 } 515 516 // the stack enters `outer` before its children enter it, so an error 517 // frees each child exactly once. 518 { 519 var stack = try wgt.Stack(Widget).init(allocator); 520 errdefer stack.deinit(allocator); 521 try outer.children.put(allocator, stack.getFocus().id, .{ .widget = .{ .stack = stack }, .rect = null, .min_size = null }); 522 } 523 const stack = &outer.children.values()[stack_index].widget.stack; 524 525 inline for (@typeInfo(Status).@"enum".fields) |field| { 526 var split = try initSplit(allocator, session, data, @enumFromInt(field.value), false); 527 errdefer split.deinit(allocator); 528 try stack.children.put(allocator, split.getFocus().id, .{ .box = split }); 529 } 530 531 // the tags view 532 { 533 var tf = try TagFlow.init(allocator); 534 errdefer tf.deinit(allocator); 535 var items: std.ArrayList(TagFlow.Item) = .empty; 536 defer items.deinit(allocator); 537 // when filtered, the first item clears the filter 538 if (data.tag.len != 0) 539 try items.append(allocator, .{ .text = "✕", .link = try listLink(session.page_arena, data.identity, @enumFromInt(0), "", "") }); 540 for (data.tags) |tag| 541 try items.append(allocator, .{ .text = tag, .link = try tagLink(session.page_arena, data.identity, @enumFromInt(0), tag) }); 542 try tf.setItems(allocator, items.items); 543 try stack.children.put(allocator, tf.getFocus().id, .{ .tag_flow = tf }); 544 } 545 546 // the new-thread form, or — on an edit, comment, or resolve url — that form in 547 // its place, prefilled with the selected thread's content. a 548 // logged-out session can't create events, so the unauthorized view 549 // stands in. 550 if (session.data.is_local or session.data.user_id != null) { 551 if (data.view == .remove) { 552 const aa = session.page_arena.allocator(); 553 const route = ui.RoutablePage.repoThreadRemoveRoute(kind, data.identity, data.selected_id, data.comment_id) orelse return error.RouteTooLong; 554 const action = try std.fmt.allocPrint(aa, "form:{s}", .{try route.toUrl(session.page_arena)}); 555 const event_name = if (data.comment_id.len == 0) thread_name else "comment"; 556 var label_buf: ["remove ".len + @max(thread_name.len, "comment".len)]u8 = undefined; 557 const label = try std.fmt.bufPrint(&label_buf, "remove {s}", .{event_name}); 558 var center = try initRemoveForm(allocator, action, label); 559 errdefer center.deinit(allocator); 560 try stack.children.put(allocator, center.getFocus().id, .{ .center = center }); 561 } else if (data.view == .new_comment or data.view == .edit_comment) { 562 const editing = data.view == .edit_comment; 563 const route = if (editing) 564 ui.RoutablePage.repoThreadCommentEditRoute(kind, data.identity, data.selected_id, data.comment_id) orelse return error.RouteTooLong 565 else 566 ui.RoutablePage.repoThreadCommentNewRoute(kind, data.identity, data.selected_id, data.comment_id) orelse return error.RouteTooLong; 567 const page_url = try route.toUrl(session.page_arena); 568 const action = try std.fmt.allocPrint(session.page_arena.allocator(), "form:{s}", .{page_url}); 569 const page = data.comment_page; 570 const top_level = if (page) |p| std.mem.eql(u8, &p.selected.comment.event.parent_id, &p.selected.comment.event.thread_id) else false; 571 const parent_route = if (editing) 572 if (top_level) 573 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, data.selected_id, 0) 574 else if (page) |p| 575 ui.RoutablePage.repoThreadCommentRoute(kind, data.identity, data.selected_id, &p.selected.comment.event.parent_id, 0) 576 else 577 null 578 else if (page) |p| 579 ui.RoutablePage.repoThreadCommentRoute(kind, data.identity, data.selected_id, &p.selected.id, 0) 580 else 581 ui.RoutablePage.repoThreadCommentsRoute(kind, data.identity, data.selected_id, 0); 582 const parent_author: ui.Author = if (editing) 583 if (top_level) 584 if (data.selectedThread()) |entry| entry.author else .unknown 585 else if (page) |p| 586 p.selected.parent_author orelse .unknown 587 else 588 .unknown 589 else if (page) |p| 590 p.selected.author 591 else if (data.selectedThread()) |entry| 592 entry.author 593 else 594 .unknown; 595 const initial_body: ?[]const u8 = if (editing) if (page) |p| p.selected.comment.event.body else null else null; 596 var form = try initCommentForm(allocator, session, action, parent_author, parent_route orelse return error.RouteTooLong, initial_body); 597 errdefer form.deinit(allocator); 598 try stack.children.put(allocator, form.getFocus().id, .{ .box = form }); 599 } else if (supports_conflicts and data.view == .resolve) { 600 // on the web the page grows to the form's height and the 601 // browser scrolls it; the terminal scrolls the form itself 602 var form_widget: Widget = blk: { 603 var form = try initResolveForm(allocator, session, data); 604 errdefer form.deinit(allocator); 605 break :blk if (session.is_terminal) 606 .{ .scroll = try wgt.Scroll(Widget).init(allocator, .{ .box = form }, .{ .direction = .vert }) } 607 else 608 .{ .box = form }; 609 }; 610 errdefer form_widget.deinit(allocator); 611 try stack.children.put(allocator, form_widget.getFocus().id, form_widget); 612 } else { 613 const aa = session.page_arena.allocator(); 614 const route = if (data.view == .edit) 615 ui.RoutablePage.repoThreadEditRoute(kind, data.identity, data.selected_id) orelse return error.RouteTooLong 616 else 617 ui.RoutablePage.repoThreadNewRoute(kind, data.identity) orelse return error.RouteTooLong; 618 const action = try std.fmt.allocPrint(aa, "form:{s}", .{try route.toUrl(session.page_arena)}); 619 const record = if (data.view == .edit) 620 (if (data.selectedThread()) |entry| &entry.record else null) 621 else 622 null; 623 var form = try initThreadForm(allocator, session, action, record); 624 errdefer form.deinit(allocator); 625 try stack.children.put(allocator, form.getFocus().id, .{ .box = form }); 626 } 627 } else { 628 var message = try ui.Unauthorized.View.init(allocator); 629 errdefer message.deinit(allocator); 630 try stack.children.put(allocator, message.getFocus().id, .{ .unauthorized = message }); 631 } 632 633 if (supports_drafts) { 634 var split = try initSplit(allocator, session, data, null, true); 635 errdefer split.deinit(allocator); 636 try stack.children.put(allocator, split.getFocus().id, .{ .box = split }); 637 } 638 639 // the conflicts split; its tab exists only when the repo has 640 // conflicts, so skip the child too to keep the stack 1:1 with the 641 // tabs. 642 if (supports_conflicts and data.conflicts.count > 0) { 643 var split = try initSplit(allocator, session, data, null, false); 644 errdefer split.deinit(allocator); 645 try stack.children.put(allocator, split.getFocus().id, .{ .box = split }); 646 } 647 648 // the stack starts on the page's view. 649 stack.getFocus().child_id = stack.children.keys()[viewIndex(data.view)]; 650 651 // focus entering the view lands on the tabs first. 652 outer.getFocus().child_id = outer.children.keys()[header_index]; 653 654 return .{ 655 .box = outer, 656 .data = data, 657 .session = session, 658 .detailed_index = @splat(null), 659 .title_id = @splat(null), 660 .description_id = @splat(null), 661 .author_id = @splat(null), 662 }; 663 } 664 665 // the master-detail split showing `status`'s window, or the conflicts 666 // window when null. 667 fn initSplit(allocator: std.mem.Allocator, session: *ui.Session, data: *const Self, status_maybe: ?Status, drafts: bool) !wgt.Box(Widget) { 668 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 669 errdefer box.deinit(allocator); 670 671 const win = if (status_maybe) |status| data.window(status) else if (drafts and supports_drafts) &data.drafts else if (supports_conflicts) &data.conflicts else unreachable; 672 673 // the thread list (one focusable row per title), plus a "next" link that 674 // reloads the page rooted at the following thread. 675 { 676 var list_scroll = blk: { 677 var list_box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert, .stretch = true }); 678 errdefer list_box.deinit(allocator); 679 if (win.prev_id) |prev| 680 try addRow(allocator, &list_box, "← previous", "", try windowLink(session.page_arena, data, status_maybe, drafts, prev)); 681 for (win.items) |entry| { 682 // conflicts take precedence over the comment count 683 const label: []const u8 = if (entryConflicted(entry) and status_maybe != null) 684 " conflict " 685 else if (entry.comments.count > 0) 686 try std.fmt.allocPrint(session.page_arena.allocator(), " {d} comments ", .{entry.comments.count}) 687 else 688 ""; 689 try addRow(allocator, &list_box, entry.record.event.title, label, try rowLink(session.page_arena, data, entry.id)); 690 } 691 if (win.next_id) |next| 692 try addRow(allocator, &list_box, "next →", "", try windowLink(session.page_arena, data, status_maybe, drafts, next)); 693 // select the window's first thread (past a leading "previous" 694 // row) so its description shows on load. 695 if (win.items.len > 0) 696 list_box.getFocus().child_id = list_box.children.keys()[if (win.prev_id != null) 1 else 0] 697 else if (list_box.children.count() > 0) 698 list_box.getFocus().child_id = list_box.children.keys()[0]; 699 break :blk try wgt.Scroll(Widget).init(allocator, .{ .box = list_box }, .{ .direction = .vert, .web_native = !session.is_terminal }); 700 }; 701 errdefer list_scroll.deinit(allocator); 702 try box.children.put(allocator, list_scroll.getFocus().id, .{ .widget = .{ .scroll = list_scroll }, .rect = null, .min_size = .{ .width = list_max_width, .height = null }, .max_size = .{ .width = list_max_width, .height = null } }); 703 } 704 705 // the detail pane — a frame around a scroll of the description 706 { 707 var detail_outer = blk: { 708 var detail_scroll = blk2: { 709 var detail_inner = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 710 errdefer detail_inner.deinit(allocator); 711 // fill the pane (content top-left, scroll bar pinned to the 712 // edge) rather than shrinking to the description. 713 break :blk2 try wgt.Scroll(Widget).init(allocator, .{ .box = detail_inner }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 714 }; 715 errdefer detail_scroll.deinit(allocator); 716 var frame = try wgt.Box(Widget).init(allocator, .{ .border_style = .hidden, .direction = .vert }); 717 errdefer frame.deinit(allocator); 718 // the tool row sits above the scroll (populateDetail fills 719 // it per thread). 720 { 721 var row = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 722 errdefer row.deinit(allocator); 723 try frame.children.put(allocator, row.getFocus().id, .{ .widget = .{ .box = row }, .rect = null, .min_size = null }); 724 } 725 // the frame's selected child is its scroll, so the focus chain 726 // reaches the description (populateDetail points the scroll's 727 // inner box at it), letting focus recovery descend into the pane. 728 frame.getFocus().child_id = detail_scroll.getFocus().id; 729 try frame.children.put(allocator, detail_scroll.getFocus().id, .{ .widget = .{ .scroll = detail_scroll }, .rect = null, .min_size = null }); 730 break :blk frame; 731 }; 732 errdefer detail_outer.deinit(allocator); 733 try box.children.put(allocator, detail_outer.getFocus().id, .{ .widget = .{ .box = detail_outer }, .rect = null, .min_size = .{ .width = detail_min_width, .height = null } }); 734 } 735 736 box.getFocus().child_id = box.children.keys()[list_index]; 737 return box; 738 } 739 740 // a thread form: title/tags/description inputs and a submit button, 741 // prefilled from `record` when given. its form: subtree makes the web 742 // renderer POST them to `action`'s route. 743 fn initThreadForm(allocator: std.mem.Allocator, session: *ui.Session, action: []const u8, record: ?*const Event.Record) !wgt.Box(Widget) { 744 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 745 errdefer box.deinit(allocator); 746 box.getFocus().kind = .{ .custom = action }; 747 748 { 749 var title = try wgt.TextInput.init(allocator, .{ .label = " title ", .name = "title", .visible_width = null, .rounded_corners = true, .render_content = session.is_terminal }); 750 errdefer title.deinit(allocator); 751 title.getFocus().focusable = true; 752 if (record) |r| try title.setContent(allocator, r.event.title); 753 try box.children.put(allocator, title.getFocus().id, .{ .widget = .{ .text_input = title }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 754 } 755 756 { 757 var tags = try wgt.TextInput.init(allocator, .{ .label = " tags (separate with spaces) ", .name = "tags", .visible_width = null, .rounded_corners = true, .render_content = session.is_terminal }); 758 errdefer tags.deinit(allocator); 759 tags.getFocus().focusable = true; 760 if (record) |r| try tags.setContent(allocator, r.event.tags); 761 try box.children.put(allocator, tags.getFocus().id, .{ .widget = .{ .text_input = tags }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 762 } 763 764 { 765 var description = try wgt.TextInput.init(allocator, .{ .label = " description ", .name = "description", .visible_width = null, .rounded_corners = true, .render_content = session.is_terminal, .multiline = true, .scroll = .{ .fill = true } }); 766 errdefer description.deinit(allocator); 767 description.getFocus().focusable = true; 768 if (record) |r| try description.setContent(allocator, r.event.description); 769 try box.children.put(allocator, description.getFocus().id, .{ .widget = .{ .text_input = description }, .rect = null, .min_size = null }); 770 } 771 772 try addSubmitButtonLabeled(allocator, &box, if (supports_drafts and record == null) "submit draft" else "submit"); 773 774 box.getFocus().child_id = box.children.keys()[title_field_index]; 775 return box; 776 } 777 778 fn initCommentForm(allocator: std.mem.Allocator, session: *ui.Session, action: []const u8, author: ui.Author, parent_route: ui.RoutablePage, initial_body: ?[]const u8) !wgt.Box(Widget) { 779 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 780 errdefer box.deinit(allocator); 781 box.getFocus().kind = .{ .custom = action }; 782 783 { 784 var parent = try ui.authorBox(allocator, session.page_arena, author); 785 errdefer parent.deinit(allocator); 786 parent.options.label = " replying to "; 787 parent.getFocus().kind = .{ .custom = try std.fmt.allocPrint(session.page_arena.allocator(), "a:{s}", .{try parent_route.toUrl(session.page_arena)}) }; 788 try box.children.put(allocator, parent.getFocus().id, .{ .widget = .{ .text_box = parent }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 789 } 790 791 { 792 var body = try wgt.TextInput.init(allocator, .{ 793 .label = " comment ", 794 .name = "body", 795 .visible_width = null, 796 .rounded_corners = true, 797 .render_content = session.is_terminal, 798 .multiline = true, 799 .visible_height = 5, 800 .scroll = .{ .fill = true }, 801 }); 802 errdefer body.deinit(allocator); 803 body.getFocus().focusable = true; 804 if (initial_body) |text| try body.setContent(allocator, text); 805 try box.children.put(allocator, body.getFocus().id, .{ .widget = .{ .text_input = body }, .rect = null, .min_size = null }); 806 } 807 808 try addSubmitButtonLabeled(allocator, &box, "submit"); 809 box.getFocus().child_id = box.children.keys()[comment_author_field_index]; 810 return box; 811 } 812 813 fn initRemoveForm(allocator: std.mem.Allocator, action: []const u8, label: []const u8) !Center { 814 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .rounded_corners = true, .direction = .vert }); 815 errdefer box.deinit(allocator); 816 box.getFocus().kind = .{ .custom = action }; 817 818 var prompt = try wgt.Text.init(allocator, "are you sure?"); 819 errdefer prompt.deinit(allocator); 820 try box.children.put(allocator, prompt.getFocus().id, .{ .widget = .{ .text = prompt }, .rect = null, .min_size = null }); 821 822 var button = try wgt.TextBox.init(allocator, label, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 823 errdefer button.deinit(allocator); 824 button.getFocus().focusable = true; 825 button.getFocus().kind = .{ .custom = "submit" }; 826 try box.children.put(allocator, button.getFocus().id, .{ .widget = .{ .text_box = button }, .rect = null, .min_size = null }); 827 box.getFocus().child_id = button.getFocus().id; 828 829 return Center.init(allocator, .{ .box = box }); 830 } 831 832 // a form's submit button, then a spacer absorbing the leftover 833 // min-height the box hands its last child, so the button keeps its 834 // natural height 835 fn addSubmitButtonLabeled(allocator: std.mem.Allocator, box: *wgt.Box(Widget), label: []const u8) !void { 836 { 837 var submit = try SubmitButton.initLabeled(allocator, label); 838 errdefer submit.deinit(allocator); 839 try box.children.put(allocator, submit.getFocus().id, .{ .widget = .{ .submit_button = submit }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 840 } 841 { 842 var spacer = try Spacer.init(allocator); 843 errdefer spacer.deinit(allocator); 844 try box.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null }); 845 } 846 } 847 848 // the conflict resolve form. the "use this" links are navigations that 849 // flip the url's theirs: pick, reloading the prefills; one submit 850 // settles every conflict. the form: subtree makes the web renderer POST 851 // to the resolve route. 852 fn initResolveForm(allocator: std.mem.Allocator, session: *ui.Session, data: *const Self) !wgt.Box(Widget) { 853 const aa = session.page_arena.allocator(); 854 // init only picks the resolve view once it has read the conflict 855 const conflict = if (data.conflict) |*c| c else unreachable; 856 857 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 858 errdefer box.deinit(allocator); 859 const route = resolveRoute(data.identity, data.selected_id, data.theirs_picks) orelse return error.RouteTooLong; 860 box.getFocus().kind = .{ .custom = try std.fmt.allocPrint(aa, "form:{s}", .{try route.toUrl(session.page_arena)}) }; 861 862 if (conflict.title) |*fc| { 863 try addLabel(allocator, &box, "title conflict:"); 864 try addFieldConflict(allocator, &box, session, data, "title", fc); 865 } 866 if (conflict.tags) |*fc| { 867 try addLabel(allocator, &box, "tags conflict:"); 868 try addFieldConflict(allocator, &box, session, data, "tags", fc); 869 } 870 if (comptime @hasField(Data.Conflict, "status")) { 871 if (conflict.status) |*fc| { 872 try addLabel(allocator, &box, "status conflict:"); 873 try addAtomicConflict(allocator, &box, session, data, "status", fc); 874 } 875 } 876 if (comptime @hasField(Data.Conflict, "revision")) { 877 if (conflict.revision) |*fc| { 878 try addLabel(allocator, &box, "revision conflict:"); 879 try addAtomicConflict(allocator, &box, session, data, "revision", fc); 880 } 881 } 882 883 if (conflict.description) |*desc| { 884 try addLabel(allocator, &box, "description conflict:"); 885 var hunk_index: usize = 0; 886 for (desc.chunks, 0..) |*chunk, chunk_index| { 887 switch (chunk.*) { 888 .same => |text| { 889 var tb = try wgt.TextBox.init(allocator, text, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .word }); 890 errdefer tb.deinit(allocator); 891 tb.getFocus().focusable = true; 892 try box.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 893 }, 894 // an auto-resolved chunk: only one side changed it, so its 895 // version stands, shown distinctly with its author 896 .auto => |auto| { 897 const author = if (auto.theirs) desc.theirs_author else desc.ours_author; 898 const verb: []const u8 = if (auto.text == null) "removed" else "edited"; 899 const label = switch (author) { 900 .user_name, .email => |name| try std.fmt.allocPrint(aa, " {s} by {s} ", .{ verb, name }), 901 .unknown => try std.fmt.allocPrint(aa, " {s} by {s} ", .{ verb, if (auto.theirs) @as([]const u8, "them") else "us" }), 902 }; 903 var tb = try wgt.TextBox.init(allocator, auto.text orelse "(removed)", .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .word, .label = label }); 904 errdefer tb.deinit(allocator); 905 tb.getFocus().focusable = true; 906 try box.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 907 }, 908 .conflict => |hunk| { 909 // a blank row on each side sets the group apart from 910 // the flowing shared and auto-resolved chunks 911 if (chunk_index > 0) try addGap(allocator, &box); 912 const name = try std.fmt.allocPrint(aa, "d{d}", .{hunk_index}); 913 hunk_index += 1; 914 const picked_theirs = data.theirsPicked(name); 915 try addVersionRow(allocator, &box, try sideLabel(aa, desc.ours_author, true), hunk.ours orelse "", try useThisLink(session, data, name, false)); 916 try addVersionRow(allocator, &box, try sideLabel(aa, desc.theirs_author, false), hunk.theirs orelse "", try useThisLink(session, data, name, true)); 917 var resolution_input = try wgt.TextInput.init(allocator, .{ .label = " resolution ", .name = name, .visible_width = null, .rounded_corners = true, .render_content = session.is_terminal, .multiline = true }); 918 errdefer resolution_input.deinit(allocator); 919 resolution_input.getFocus().focusable = true; 920 try resolution_input.setContent(allocator, (if (picked_theirs) hunk.theirs else hunk.ours) orelse ""); 921 try box.children.put(allocator, resolution_input.getFocus().id, .{ .widget = .{ .text_input = resolution_input }, .rect = null, .min_size = null }); 922 if (chunk_index + 1 < desc.chunks.len) try addGap(allocator, &box); 923 }, 924 } 925 } 926 } 927 928 try addSubmitButtonLabeled(allocator, &box, "submit"); 929 930 box.getFocus().child_id = box.children.keys()[0]; 931 return box; 932 } 933 934 // one conflicted scalar field: both sides' version rows, then the 935 // resolution input prefilled from the picked side. 936 fn addFieldConflict(allocator: std.mem.Allocator, box: *wgt.Box(Widget), session: *ui.Session, data: *const Self, comptime name: []const u8, fc: *const FieldConflict) !void { 937 const aa = session.page_arena.allocator(); 938 try addVersionRow(allocator, box, try sideLabel(aa, fc.ours.author, true), fc.ours.text, try useThisLink(session, data, name, false)); 939 try addVersionRow(allocator, box, try sideLabel(aa, fc.theirs.author, false), fc.theirs.text, try useThisLink(session, data, name, true)); 940 941 var resolution_input = try wgt.TextInput.init(allocator, .{ .label = " resolution ", .name = name, .visible_width = null, .rounded_corners = true, .render_content = session.is_terminal }); 942 errdefer resolution_input.deinit(allocator); 943 resolution_input.getFocus().focusable = true; 944 try resolution_input.setContent(allocator, if (data.theirsPicked(name)) fc.theirs.text else fc.ours.text); 945 try box.children.put(allocator, resolution_input.getFocus().id, .{ .widget = .{ .text_input = resolution_input }, .rect = null, .min_size = null }); 946 } 947 948 // atomic fields can only pick one complete side 949 fn addAtomicConflict(allocator: std.mem.Allocator, box: *wgt.Box(Widget), session: *ui.Session, data: *const Self, comptime name: []const u8, fc: *const FieldConflict) !void { 950 const aa = session.page_arena.allocator(); 951 try addVersionRow(allocator, box, try sideLabel(aa, fc.ours.author, true), fc.ours.text, try useThisLink(session, data, name, false)); 952 try addVersionRow(allocator, box, try sideLabel(aa, fc.theirs.author, false), fc.theirs.text, try useThisLink(session, data, name, true)); 953 var selected = try wgt.TextBox.init(allocator, if (data.theirsPicked(name)) fc.theirs.text else fc.ours.text, .{ 954 .border_style = .single, 955 .rounded_corners = true, 956 .wrap_kind = .word, 957 .label = " resolution ", 958 }); 959 errdefer selected.deinit(allocator); 960 selected.getFocus().focusable = true; 961 try box.children.put(allocator, selected.getFocus().id, .{ .widget = .{ .text_box = selected }, .rect = null, .min_size = null }); 962 } 963 964 // a blank row setting a conflict group apart from its neighbors 965 fn addGap(allocator: std.mem.Allocator, box: *wgt.Box(Widget)) !void { 966 var text = try wgt.Text.init(allocator, " "); 967 errdefer text.deinit(allocator); 968 try box.children.put(allocator, text.getFocus().id, .{ .widget = .{ .text = text }, .rect = null, .min_size = null }); 969 } 970 971 fn addLabel(allocator: std.mem.Allocator, box: *wgt.Box(Widget), content: []const u8) !void { 972 var label = try SectionLabel.init(allocator, content); 973 errdefer label.deinit(allocator); 974 try box.children.put(allocator, label.getFocus().id, .{ .widget = .{ .section_label = label }, .rect = null, .min_size = null }); 975 } 976 977 // one side of a conflict: the "use this" link on the left, the version 978 // itself as a labeled read-only box. 979 fn addVersionRow(allocator: std.mem.Allocator, box: *wgt.Box(Widget), label: []const u8, text: []const u8, link: []const u8) !void { 980 var row = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 981 errdefer row.deinit(allocator); 982 983 { 984 const use_label = "use this"; 985 var use = try wgt.TextBox.init(allocator, use_label, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 986 errdefer use.deinit(allocator); 987 use.getFocus().focusable = true; 988 use.getFocus().kind = .{ .custom = link }; 989 try row.children.put(allocator, use.getFocus().id, .{ 990 .widget = .{ .text_box = use }, 991 .rect = null, 992 .min_size = .{ .width = use_label.len + 2, .height = null }, 993 .max_size = .{ .width = use_label.len + 2, .height = null }, 994 }); 995 } 996 997 { 998 var tb = try wgt.TextBox.init(allocator, if (text.len > 0) text else "(removed)", .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .word, .label = label }); 999 errdefer tb.deinit(allocator); 1000 tb.getFocus().focusable = true; 1001 try row.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 1002 } 1003 1004 row.getFocus().child_id = row.children.keys()[0]; 1005 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .box = row }, .rect = null, .min_size = null }); 1006 } 1007 1008 // the label of one side's version box, naming its author 1009 fn sideLabel(aa: std.mem.Allocator, author: ui.Author, ours: bool) ![]const u8 { 1010 return switch (author) { 1011 .user_name, .email => |name| try std.fmt.allocPrint(aa, " edited by {s} ", .{name}), 1012 .unknown => if (ours) " current version " else " their version ", 1013 }; 1014 } 1015 1016 // the a: link that reloads the resolve page with `name` picked from ours 1017 // or theirs, reprefilling its resolution input 1018 fn useThisLink(session: *ui.Session, data: *const Self, name: []const u8, theirs: bool) ![]const u8 { 1019 const aa = session.page_arena.allocator(); 1020 var picks: std.ArrayList(u8) = .empty; 1021 var it = std.mem.splitScalar(u8, data.theirs_picks, ','); 1022 while (it.next()) |pick| { 1023 if (pick.len == 0 or std.mem.eql(u8, pick, name)) continue; 1024 if (picks.items.len > 0) try picks.append(aa, ','); 1025 try picks.appendSlice(aa, pick); 1026 } 1027 if (theirs) { 1028 if (picks.items.len > 0) try picks.append(aa, ','); 1029 try picks.appendSlice(aa, name); 1030 } 1031 const route = resolveRoute(data.identity, data.selected_id, picks.items) orelse return error.RouteTooLong; 1032 return std.fmt.allocPrint(aa, "a:{s}", .{try route.toUrl(session.page_arena)}); 1033 } 1034 1035 fn addRow(allocator: std.mem.Allocator, box: *wgt.Box(Widget), text: []const u8, bottom_label: []const u8, link: []const u8) !void { 1036 var row = try wgt.TextBox.init(allocator, text, .{ .border_style = .hidden, .rounded_corners = true, .wrap_kind = .word, .bottom_label = bottom_label }); 1037 errdefer row.deinit(allocator); 1038 row.getFocus().focusable = true; 1039 if (link.len != 0) row.getFocus().kind = .{ .custom = link }; 1040 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .text_box = row }, .rect = null, .min_size = null, .max_size = .{ .width = null, .height = 5 } }); 1041 } 1042 1043 fn addToolButton(allocator: std.mem.Allocator, row: *wgt.Box(Widget), label: []const u8, action: []const u8) !void { 1044 var button = try wgt.TextBox.init(allocator, label, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 1045 errdefer button.deinit(allocator); 1046 button.getFocus().focusable = true; 1047 button.getFocus().kind = .{ .custom = action }; 1048 try row.children.put(allocator, button.getFocus().id, .{ .widget = .{ .text_box = button }, .rect = null, .min_size = .{ .width = try xitui.width.displayWidth(label) + 2, .height = null } }); 1049 } 1050 1051 pub fn deinit(self: *This, allocator: std.mem.Allocator) void { 1052 self.box.deinit(allocator); 1053 } 1054 1055 fn header(self: *This) *HeaderType { 1056 return &@field(self.box.children.values()[header_index].widget, Data.header_widget_name); 1057 } 1058 1059 fn viewStack(self: *This) *wgt.Stack(Widget) { 1060 return &self.box.children.values()[stack_index].widget.stack; 1061 } 1062 1063 // `index`'s master-detail split inside the stack. 1064 fn resultsBox(self: *This, index: usize) *wgt.Box(Widget) { 1065 return &self.viewStack().children.values()[index].box; 1066 } 1067 1068 // the tags view's flow inside the stack. 1069 fn tagsView(self: *This) *TagFlow { 1070 return &self.viewStack().children.values()[tags_view_index].tag_flow; 1071 } 1072 1073 // the new-thread, edit, or resolve form inside the stack, or null when the 1074 // unauthorized view stands in for it. 1075 fn threadForm(self: *This) ?*wgt.Box(Widget) { 1076 return switch (self.viewStack().children.values()[form_view_index]) { 1077 .box => |*box| box, 1078 // the resolve form sits inside a scroll on the terminal 1079 .scroll => |*scroll| &scroll.child.box, 1080 else => null, 1081 }; 1082 } 1083 1084 fn removeForm(self: *This) ?*wgt.Box(Widget) { 1085 return switch (self.viewStack().children.values()[form_view_index]) { 1086 .center => |*center| switch (center.child.*) { 1087 .box => |*box| box, 1088 else => null, 1089 }, 1090 else => null, 1091 }; 1092 } 1093 1094 // the resolve form's scroll on the terminal (the web page scrolls itself) 1095 fn resolveScroll(self: *This) ?*wgt.Scroll(Widget) { 1096 return switch (self.viewStack().children.values()[form_view_index]) { 1097 .scroll => |*scroll| scroll, 1098 else => null, 1099 }; 1100 } 1101 1102 fn listScroll(self: *This, index: usize) *wgt.Scroll(Widget) { 1103 return &self.resultsBox(index).children.values()[list_index].widget.scroll; 1104 } 1105 1106 fn listBox(self: *This, index: usize) *wgt.Box(Widget) { 1107 return &self.listScroll(index).child.box; 1108 } 1109 1110 // the detail frame's children: the tool row above the scroll pane. 1111 const tool_row_index: usize = 0; 1112 const detail_scroll_index: usize = 1; 1113 1114 fn detailOuter(self: *This, index: usize) *wgt.Box(Widget) { 1115 return &self.resultsBox(index).children.values()[detail_index].widget.box; 1116 } 1117 1118 fn toolRow(self: *This, index: usize) *wgt.Box(Widget) { 1119 return &self.detailOuter(index).children.values()[tool_row_index].widget.box; 1120 } 1121 1122 fn detailScroll(self: *This, index: usize) *wgt.Scroll(Widget) { 1123 return &self.detailOuter(index).children.values()[detail_scroll_index].widget.scroll; 1124 } 1125 1126 fn detailInner(self: *This, index: usize) *wgt.Box(Widget) { 1127 return &self.detailScroll(index).child.box; 1128 } 1129 1130 fn window(self: *This, index: usize) *const Window { 1131 if (supports_conflicts and index == conflict_view_index) return &self.data.conflicts; 1132 if (supports_drafts and index == drafts_view_index) return &self.data.drafts; 1133 return self.data.window(splitStatus(index)); 1134 } 1135 1136 fn stackSelectedIndex(self: *This) ?usize { 1137 const stack = self.viewStack(); 1138 const cid = stack.getFocus().child_id orelse return null; 1139 return stack.children.getIndex(cid); 1140 } 1141 1142 // the stack's selected master-detail split (null when the tags view or the 1143 // new-thread form shows). 1144 fn selectedSplitIndex(self: *This) ?usize { 1145 const idx = self.stackSelectedIndex() orelse return null; 1146 return if (idx < status_count or (supports_drafts and idx == drafts_view_index) or idx == conflict_view_index) idx else null; 1147 } 1148 1149 fn detailActive(self: *This, index: usize) bool { 1150 const rb = self.resultsBox(index); 1151 const cid = rb.getFocus().child_id orelse return false; 1152 return rb.children.getIndex(cid) == detail_index; 1153 } 1154 1155 fn headerActive(self: *This) bool { 1156 const cid = self.box.getFocus().child_id orelse return false; 1157 return self.box.children.getIndex(cid) == header_index; 1158 } 1159 1160 fn tagsViewActive(self: *This) bool { 1161 if (self.headerActive()) return false; 1162 return self.stackSelectedIndex() == tags_view_index; 1163 } 1164 1165 fn formViewActive(self: *This) bool { 1166 if (self.headerActive()) return false; 1167 return self.stackSelectedIndex() == form_view_index; 1168 } 1169 1170 // the selected thread's index, or null when a window-navigation row is 1171 // selected (a leading "previous" row shifts the thread rows down by one). 1172 fn selectedThreadIndex(self: *This, index: usize) ?usize { 1173 const lb = self.listBox(index); 1174 const cid = lb.getFocus().child_id orelse return null; 1175 const idx = lb.children.getIndex(cid) orelse return null; 1176 const win = self.window(index); 1177 const lead: usize = if (win.prev_id != null) 1 else 0; 1178 if (idx < lead or idx - lead >= win.items.len) return null; 1179 return idx - lead; 1180 } 1181 1182 pub fn build(self: *This, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 1183 self.clearGrid(); 1184 1185 // each header tab maps 1:1 to a stack child by position 1186 if (self.header().getSelectedIndex()) |index| { 1187 const stack = self.viewStack(); 1188 stack.getFocus().child_id = stack.children.keys()[index]; 1189 } 1190 1191 if (self.selectedSplitIndex()) |i| { 1192 // swap the detail pane to the selected thread when it changes. 1193 if (self.selectedThreadIndex(i)) |selected| { 1194 const changed = if (self.detailed_index[i]) |current| current != selected else true; 1195 if (changed) { 1196 try self.populateDetail(allocator, i, selected); 1197 self.detailed_index[i] = selected; 1198 } 1199 } 1200 1201 // the selected list row shows a border (the focused TextBox 1202 // upgrades it to a double border itself); the rest stay borderless. 1203 const lb = self.listBox(i); 1204 for (lb.children.keys(), lb.children.values()) |id, *child| { 1205 switch (child.widget) { 1206 .text_box => |*tb| tb.options.border_style = if (lb.getFocus().child_id == id) .single else .hidden, 1207 else => {}, 1208 } 1209 } 1210 1211 // the pane's selected child shows the selection border: the 1212 // description directly, the tags via the flow's selected item. 1213 // cap the list at list_max_width only while the detail pane fits 1214 // beside it. the box drops the detail when the width can't hold 1215 // both minimums, so when it's that narrow we lift the cap and let 1216 // the list fill the whole width. 1217 const both_panes_fit = if (constraint.max_size.width) |w| w >= list_max_width + detail_min_width else true; 1218 self.resultsBox(i).children.values()[list_index].max_size = if (both_panes_fit) .{ .width = list_max_width, .height = null } else null; 1219 1220 // stretch the detail pane across the rest of the width so it fills 1221 // the area rather than shrinking to its content; its scroll fills 1222 // the pane. 1223 if (constraint.max_size.width) |w| { 1224 self.resultsBox(i).children.values()[detail_index].min_size = .{ .width = if (both_panes_fit) w - list_max_width else w, .height = null }; 1225 } else { 1226 self.resultsBox(i).children.values()[detail_index].min_size = .{ .width = detail_min_width, .height = null }; 1227 } 1228 } 1229 1230 // refresh the form inputs' entries in the session's focus-id -> input 1231 // map with this frame's addresses, so the web/wasm form handling can 1232 // find them by focus id 1233 if (self.threadForm()) |form| { 1234 const inputs_arena = self.session.arena.allocator(); 1235 for (form.children.values()) |*child| switch (child.widget) { 1236 .text_input => |*ti| try self.session.text_inputs.put(inputs_arena, ti.getFocus().id, ti), 1237 else => {}, 1238 }; 1239 } 1240 1241 try self.box.build(allocator, constraint, root_focus); 1242 } 1243 1244 fn populateDetail(self: *This, allocator: std.mem.Allocator, index: usize, sel: usize) !void { 1245 const entry = self.window(index).items[sel]; 1246 const inner = self.detailInner(index); 1247 // the /description page replaces its thread's detail with a back link 1248 // and the whole description; other threads keep their normal detail. 1249 const description_page = self.data.description_page and std.mem.eql(u8, entry.id, self.data.selected_id); 1250 const comment_page = if (std.mem.eql(u8, entry.id, self.data.selected_id)) self.data.comment_page else null; 1251 1252 for (inner.children.values()) |*child| child.widget.deinit(allocator); 1253 inner.children.clearAndFree(allocator); 1254 inner.getFocus().child_id = null; 1255 self.title_id[index] = null; 1256 self.author_id[index] = null; 1257 1258 // the tool row; the description page shows none. 1259 { 1260 const row = self.toolRow(index); 1261 for (row.children.values()) |*child| child.widget.deinit(allocator); 1262 row.children.clearAndFree(allocator); 1263 row.getFocus().child_id = null; 1264 row.getFocus().kind = .container; 1265 } 1266 if (!description_page and comment_page == null) { 1267 const row = self.toolRow(index); 1268 const pa = self.session.page_arena.allocator(); 1269 1270 { 1271 var spacer = try Spacer.init(allocator); 1272 errdefer spacer.deinit(allocator); 1273 try row.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null }); 1274 } 1275 1276 if (supports_drafts and entryDraft(entry)) { 1277 if (entry.revision_ready) { 1278 const route = listRoute(self.data.identity, @enumFromInt(0), "", entry.id) orelse return error.RouteTooLong; 1279 row.getFocus().kind = .{ .custom = try std.fmt.allocPrint(pa, "form:{s}/post", .{try route.toUrl(self.session.page_arena)}) }; 1280 try addToolButton(allocator, row, "post", "submit"); 1281 } 1282 if (self.session.data.user_id != null) { 1283 const route = ui.RoutablePage.repoThreadRemoveRoute(kind, self.data.identity, entry.id, "") orelse return error.RouteTooLong; 1284 try addToolButton(allocator, row, "✕", try std.fmt.allocPrint(pa, "a:{s}", .{try route.toUrl(self.session.page_arena)})); 1285 } 1286 if (row.children.count() > first_in_row_index) 1287 row.getFocus().child_id = row.children.keys()[first_in_row_index]; 1288 } else { 1289 // a terminal has no file picker, so attaching is web only. the 1290 // renderer covers this button with a file input, so clicking it 1291 // opens the browser's own picker and posts what it chose. 1292 if (!self.session.is_terminal and !entryConflicted(entry) and (self.session.data.is_local or self.session.data.user_id != null)) { 1293 const label = "add attachment"; 1294 const action = if (self.data.identity.len == 0) 1295 try std.fmt.allocPrint(pa, "{s}/{s}:{s}/attach", .{ ui.file_input_prefix, @tagName(kind), entry.id }) 1296 else 1297 try std.fmt.allocPrint(pa, "{s}/repo/{s}/{s}:{s}/attach", .{ ui.file_input_prefix, self.data.identity, @tagName(kind), entry.id }); 1298 try addToolButton(allocator, row, label, action); 1299 } 1300 1301 // a conflicted thread's only action is resolving it. the button 1302 // stays visible logged out; the resolve page shows the 1303 // unauthorized view then. 1304 if (supports_conflicts and entryConflicted(entry)) { 1305 const label = "resolve conflict"; 1306 const route = resolveRoute(self.data.identity, entry.id, "") orelse return error.RouteTooLong; 1307 try addToolButton(allocator, row, label, try std.fmt.allocPrint(pa, "a:{s}", .{try route.toUrl(self.session.page_arena)})); 1308 } else { 1309 // a logged-out session can't flip the status, so it gets no 1310 // open/close button 1311 if (has_status and (self.session.data.is_local or self.session.data.user_id != null)) { 1312 if (statusChange(entryStatus(entry))) |change| { 1313 const route = ui.RoutablePage.repoThreadCommentsRoute(kind, self.data.identity, entry.id, 0) orelse return error.RouteTooLong; 1314 row.getFocus().kind = .{ .custom = try std.fmt.allocPrint(pa, "form:{s}/{s}", .{ try route.toUrl(self.session.page_arena), change.action }) }; 1315 try addToolButton(allocator, row, change.action, "submit"); 1316 } 1317 } 1318 1319 // the edit button links to the thread's edit page. 1320 { 1321 const route = ui.RoutablePage.repoThreadEditRoute(kind, self.data.identity, entry.id) orelse return error.RouteTooLong; 1322 try addToolButton(allocator, row, "edit", try std.fmt.allocPrint(pa, "a:{s}", .{try route.toUrl(self.session.page_arena)})); 1323 } 1324 } 1325 1326 if (self.session.data.is_local or self.session.data.user_id != null) { 1327 const route = ui.RoutablePage.repoThreadRemoveRoute(kind, self.data.identity, entry.id, "") orelse return error.RouteTooLong; 1328 try addToolButton(allocator, row, "✕", try std.fmt.allocPrint(pa, "a:{s}", .{try route.toUrl(self.session.page_arena)})); 1329 } 1330 1331 // the leftmost button: the attachment button when the session has 1332 // one, else the resolve button on a conflicted thread, the 1333 // open/close button when present, the edit button otherwise 1334 row.getFocus().child_id = row.children.keys()[first_in_row_index]; 1335 } 1336 } 1337 1338 if (supports_drafts and entryDraft(entry) and !description_page and comment_page == null) { 1339 try self.data.appendDraftDetails(allocator, inner, self.session, entry); 1340 } 1341 1342 if (comment_page) |page| { 1343 var back_label_buf: ["← back to ".len + thread_name.len]u8 = undefined; 1344 const back_label = try std.fmt.bufPrint(&back_label_buf, "← back to {s}", .{thread_name}); 1345 var back = try Comment.linkBox(allocator, self.session, back_label, ui.RoutablePage.repoThreadCommentsRoute(kind, self.data.identity, entry.id, 0) orelse return error.RouteTooLong); 1346 errdefer back.deinit(allocator); 1347 try inner.children.put(allocator, back.getFocus().id, .{ .widget = .{ .text_box = back }, .rect = null, .min_size = null }); 1348 1349 try Comment.appendComment(allocator, inner, self.session, self.data.identity, kind, page.selected); 1350 try Comment.appendCount(allocator, inner, page.replies.count, "reply", "replies"); 1351 for (page.replies.comments) |comment| try Comment.appendComment(allocator, inner, self.session, self.data.identity, kind, comment); 1352 try Comment.appendWindowNav(allocator, inner, self.session, self.data.identity, kind, &page.selected.comment.event.thread_id, &page.selected.id, page.replies); 1353 1354 var spacer = try Spacer.init(allocator); 1355 errdefer spacer.deinit(allocator); 1356 try inner.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null }); 1357 1358 inner.getFocus().child_id = inner.children.keys()[0]; 1359 const sc = self.detailScroll(index); 1360 sc.x = 0; 1361 sc.y = 0; 1362 sc.getFocus().version +%= 1; 1363 return; 1364 } 1365 1366 if (description_page) { 1367 // the back link, in the title slot so the pane's input handling 1368 // applies to it unchanged. 1369 var back_label_buf: ["← back to ".len + thread_name.len]u8 = undefined; 1370 const back_label = try std.fmt.bufPrint(&back_label_buf, "← back to {s}", .{thread_name}); 1371 var tb = try wgt.TextBox.init(allocator, back_label, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 1372 errdefer tb.deinit(allocator); 1373 tb.getFocus().focusable = true; 1374 tb.getFocus().kind = .{ .custom = try listLink(self.session.page_arena, self.data.identity, entryStatus(entry), "", entry.id) }; 1375 try inner.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 1376 self.title_id[index] = tb.getFocus().id; 1377 } else { 1378 // the thread's title as a focusable word-wrapped text box. 1379 self.title_id[index] = blk: { 1380 var tb = try wgt.TextBox.init(allocator, entry.record.event.title, .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .word, .label = " title " }); 1381 errdefer tb.deinit(allocator); 1382 tb.getFocus().focusable = true; 1383 try inner.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 1384 break :blk tb.getFocus().id; 1385 }; 1386 1387 self.author_id[index] = blk: { 1388 var tb = try ui.authorBox(allocator, self.session.page_arena, entry.author); 1389 errdefer tb.deinit(allocator); 1390 try inner.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 1391 break :blk tb.getFocus().id; 1392 }; 1393 1394 // the thread's tags, each linking to this status's list filtered to 1395 // that tag. 1396 { 1397 var items: std.ArrayList(TagFlow.Item) = .empty; 1398 defer items.deinit(allocator); 1399 var tag_iter = Event.tagIterator(entry.record.event.tags); 1400 while (tag_iter.next()) |tag| { 1401 if (tag.len == 0) continue; 1402 try items.append(allocator, .{ .text = tag, .link = try tagLink(self.session.page_arena, self.data.identity, entryStatus(entry), tag) }); 1403 } 1404 if (items.items.len > 0) { 1405 var tf = try TagFlow.init(allocator); 1406 errdefer tf.deinit(allocator); 1407 try tf.setItems(allocator, items.items); 1408 try inner.children.put(allocator, tf.getFocus().id, .{ .widget = .{ .tag_flow = tf }, .rect = null, .min_size = null }); 1409 } 1410 } 1411 } 1412 1413 // the description as a focusable word-wrapped text box. past the limit 1414 // it's cut at the last whole line and links to the /description page, 1415 // which shows the whole thing. 1416 self.description_id[index] = blk: { 1417 const whole = entry.record.event.description; 1418 const cut_short = !description_page and whole.len > Data.max_description_size; 1419 const shown = if (cut_short) 1420 std.mem.trimEnd(u8, whole[0 .. std.mem.lastIndexOfScalar(u8, whole[0..Data.max_description_size], '\n') orelse 0], " \t\r\n") 1421 else if (whole.len == 0) 1422 "(no description)" 1423 else 1424 whole; 1425 var tb = try wgt.TextBox.init(allocator, shown, .{ 1426 .border_style = .single, 1427 .rounded_corners = true, 1428 .wrap_kind = .word, 1429 .label = " description ", 1430 .bottom_label = if (cut_short) " click or press enter to see more " else "", 1431 }); 1432 errdefer tb.deinit(allocator); 1433 tb.getFocus().focusable = true; 1434 if (cut_short) { 1435 const route = ui.RoutablePage.repoThreadDescriptionRoute(kind, self.data.identity, entry.id) orelse return error.RouteTooLong; 1436 tb.getFocus().kind = .{ .custom = try std.fmt.allocPrint(self.session.page_arena.allocator(), "a:{s}", .{try route.toUrl(self.session.page_arena)}) }; 1437 } 1438 try inner.children.put(allocator, tb.getFocus().id, .{ .widget = .{ .text_box = tb }, .rect = null, .min_size = null }); 1439 break :blk tb.getFocus().id; 1440 }; 1441 1442 if (supports_drafts and entryDraft(entry)) { 1443 inner.getFocus().child_id = inner.children.keys()[0]; 1444 const sc = self.detailScroll(index); 1445 sc.x = 0; 1446 sc.y = 0; 1447 sc.getFocus().version +%= 1; 1448 return; 1449 } 1450 1451 const parent_route = ui.RoutablePage.repoThreadCommentsRoute(kind, self.data.identity, entry.id, 0) orelse return error.RouteTooLong; 1452 try Attachment.appendRows(allocator, inner, self.session, self.data.identity, try parent_route.toUrl(self.session.page_arena), entry.attachments); 1453 1454 if (!description_page) { 1455 var reply = try Comment.linkBox(allocator, self.session, "new comment", ui.RoutablePage.repoThreadCommentNewRoute(kind, self.data.identity, entry.id, "") orelse return error.RouteTooLong); 1456 errdefer reply.deinit(allocator); 1457 try inner.children.put(allocator, reply.getFocus().id, .{ .widget = .{ .text_box = reply }, .rect = null, .min_size = null }); 1458 1459 try Comment.appendCount(allocator, inner, entry.comments.count, "comment", "comments"); 1460 for (entry.comments.comments) |comment| try Comment.appendComment(allocator, inner, self.session, self.data.identity, kind, comment); 1461 try Comment.appendWindowNav(allocator, inner, self.session, self.data.identity, kind, entry.id, null, entry.comments); 1462 1463 var spacer = try Spacer.init(allocator); 1464 errdefer spacer.deinit(allocator); 1465 try inner.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null }); 1466 } 1467 1468 // select the title by default 1469 if (self.title_id[index]) |id| inner.getFocus().child_id = id; 1470 1471 // reset the scroll to the top for the newly-shown thread: directly on the 1472 // terminal (the wasm offset), and via a version bump on the web (so the 1473 // renderer's scroll id changes and JS drops the preserved position). 1474 const sc = self.detailScroll(index); 1475 sc.x = 0; 1476 sc.y = 0; 1477 sc.getFocus().version +%= 1; 1478 } 1479 1480 pub fn input(self: *This, allocator: std.mem.Allocator, raw_key: Key, root_focus: *Focus) !void { 1481 // wheel input moves focus like the arrows 1482 const key: Key = if (raw_key == .mouse and raw_key.mouse.action == .scroll) 1483 (if (raw_key.mouse.action.scroll == .up) .arrow_up else .arrow_down) 1484 else 1485 raw_key; 1486 1487 if (self.headerActive()) { 1488 // down from the tabs re-enters the stack if the selected view has 1489 // something to focus; other keys move the tabs. 1490 if (inp.vertDirection(key) == .down) { 1491 const enterable = if (self.viewStack().getSelected()) |selected| switch (selected.*) { 1492 .tag_flow => |*tf| tf.text_boxes.items.len > 0, 1493 // nothing focusable in the unauthorized view 1494 .unauthorized => false, 1495 else => true, 1496 } else false; 1497 if (enterable) root_focus.setFocus(self.box.children.keys()[stack_index]); 1498 } else { 1499 try self.header().input(allocator, key, root_focus); 1500 } 1501 return; 1502 } 1503 if (self.tagsViewActive()) { 1504 self.tagsViewInput(key, root_focus); 1505 return; 1506 } 1507 if (self.formViewActive()) { 1508 if (self.data.view == .remove) { 1509 try self.removeFormInput(allocator, key, root_focus); 1510 } else if (supports_conflicts and self.data.view == .resolve) { 1511 try self.resolveInput(allocator, key, root_focus); 1512 } else if (self.data.view == .new_comment or self.data.view == .edit_comment) { 1513 try self.commentFormInput(allocator, key, root_focus); 1514 } else { 1515 try self.formInput(allocator, key, root_focus); 1516 } 1517 return; 1518 } 1519 const i = self.selectedSplitIndex() orelse return; 1520 if (self.detailActive(i)) { 1521 try self.detailInput(allocator, i, key, root_focus); 1522 } else { 1523 self.listInput(i, key, root_focus); 1524 } 1525 } 1526 1527 // arrow keys move the tag selection; up from the top row crosses to the 1528 // header tabs. 1529 fn tagsViewInput(self: *This, key: Key, root_focus: *Focus) void { 1530 const tf = self.tagsView(); 1531 const cid = tf.focus.child_id orelse return; 1532 const cur = tf.indexOfFocusId(cid) orelse return; 1533 const count = tf.text_boxes.items.len; 1534 switch (key) { 1535 .arrow_left => if (cur > 0) root_focus.setFocus(tf.text_boxes.items[cur - 1].getFocus().id), 1536 .arrow_right => if (cur + 1 < count) root_focus.setFocus(tf.text_boxes.items[cur + 1].getFocus().id), 1537 .arrow_up => if (tf.rowStep(cur, false)) |i| root_focus.setFocus(tf.text_boxes.items[i].getFocus().id) else self.focusHeader(root_focus), 1538 .arrow_down => if (tf.rowStep(cur, true)) |i| root_focus.setFocus(tf.text_boxes.items[i].getFocus().id), 1539 .home => root_focus.setFocus(tf.text_boxes.items[0].getFocus().id), 1540 .end => root_focus.setFocus(tf.text_boxes.items[count - 1].getFocus().id), 1541 else => {}, 1542 } 1543 } 1544 1545 fn listInput(self: *This, index: usize, key: Key, root_focus: *Focus) void { 1546 // up/down (and the scroll wheel) move the selection a row; page up/down 1547 // jump a fixed amount. right/Enter cross into the detail pane. up from 1548 // the top row crosses into the header tabs. 1549 if (inp.rowDelta(key, @intCast(self.listBox(index).children.count()))) |delta| { 1550 const lb = self.listBox(index); 1551 const at_top = if (lb.getFocus().child_id) |cid| lb.children.getIndex(cid) == 0 else true; 1552 if (delta < 0 and at_top) return self.focusHeader(root_focus); 1553 moveRowFocus(lb, self.listScroll(index), root_focus, delta); 1554 return; 1555 } 1556 switch (key) { 1557 .enter, .arrow_right => self.focusDetail(index, root_focus), 1558 else => {}, 1559 } 1560 } 1561 1562 fn detailInput(self: *This, allocator: std.mem.Allocator, index: usize, key: Key, root_focus: *Focus) !void { 1563 switch (key) { 1564 .page_up => { 1565 self.pageDetail(index, root_focus, -10); 1566 return; 1567 }, 1568 .page_down => { 1569 self.pageDetail(index, root_focus, 10); 1570 return; 1571 }, 1572 .home => { 1573 self.jumpDetail(index, root_focus, false); 1574 return; 1575 }, 1576 .end => { 1577 self.jumpDetail(index, root_focus, true); 1578 return; 1579 }, 1580 else => {}, 1581 } 1582 if (self.data.comment_page != null and std.mem.eql(u8, self.window(index).items[self.detailed_index[index] orelse return].id, self.data.selected_id)) { 1583 self.commentInput(index, key, root_focus); 1584 return; 1585 } 1586 if (self.toolRowFocused(index)) { 1587 try self.toolRowInput(allocator, index, key, root_focus); 1588 return; 1589 } 1590 1591 const child_index = self.focusedDetailChild(index, root_focus) orelse return; 1592 const inner = self.detailInner(index); 1593 const child_id = inner.children.keys()[child_index]; 1594 const child = &inner.children.values()[child_index].widget; 1595 1596 if (child_id == self.title_id[index]) { 1597 switch (key) { 1598 .arrow_left => self.focusList(index, root_focus), 1599 .arrow_up => if (!self.moveDetailVertical(index, root_focus, false)) self.focusToolRow(index, root_focus), 1600 .arrow_down => _ = self.moveDetailVertical(index, root_focus, true), 1601 else => {}, 1602 } 1603 return; 1604 } 1605 if (child_id == self.author_id[index]) { 1606 // the author's a: link is followed by the host; arrows cross to 1607 // neighboring widgets. 1608 switch (key) { 1609 .arrow_left => self.focusList(index, root_focus), 1610 .arrow_up => _ = self.moveDetailVertical(index, root_focus, false), 1611 .arrow_down => _ = self.moveDetailVertical(index, root_focus, true), 1612 else => {}, 1613 } 1614 return; 1615 } 1616 if (child_id == self.description_id[index]) { 1617 self.descriptionInput(index, key, root_focus); 1618 return; 1619 } 1620 1621 switch (child.*) { 1622 .tag_flow => |*tf| { 1623 self.tagsInput(index, child_index, tf, key, root_focus); 1624 return; 1625 }, 1626 .copyable_text => |*copyable| { 1627 switch (key) { 1628 .arrow_up => if (!self.moveDetailVertical(index, root_focus, false)) self.focusToolRow(index, root_focus), 1629 .arrow_down => _ = self.moveDetailVertical(index, root_focus, true), 1630 .arrow_left => if (copyable.selected == 0) 1631 self.focusList(index, root_focus) 1632 else 1633 try copyable.input(allocator, key, root_focus), 1634 else => try copyable.input(allocator, key, root_focus), 1635 } 1636 return; 1637 }, 1638 .box => |*row| if (Attachment.removeId(row)) |attachment_id| { 1639 const remove_id = row.children.keys()[1]; 1640 switch (key) { 1641 .arrow_left => if (!self.moveCommentHorizontal(index, root_focus, false)) self.focusList(index, root_focus), 1642 .arrow_right => _ = self.moveCommentHorizontal(index, root_focus, true), 1643 .arrow_up => _ = self.moveDetailVertical(index, root_focus, false), 1644 .arrow_down => _ = self.moveDetailVertical(index, root_focus, true), 1645 .enter => if (row.getFocus().child_id == remove_id) try self.removeEvent(allocator, .attach, attachment_id), 1646 .mouse => |mouse| if (inp.leftClickOn(root_focus, remove_id, mouse)) try self.removeEvent(allocator, .attach, attachment_id), 1647 else => {}, 1648 } 1649 return; 1650 }, 1651 else => {}, 1652 } 1653 self.commentInput(index, key, root_focus); 1654 } 1655 1656 // enter or a click runs the primary action; links are handled by the host 1657 fn toolRowInput(self: *This, allocator: std.mem.Allocator, index: usize, key: Key, root_focus: *Focus) !void { 1658 const row = self.toolRow(index); 1659 const cur = if (row.getFocus().child_id) |cid| row.children.getIndex(cid) orelse return else return; 1660 const child_id = row.children.keys()[cur]; 1661 const on_primary = switch (row.children.values()[cur].widget.getFocus().kind) { 1662 .custom => |action| std.mem.eql(u8, action, "submit"), 1663 else => false, 1664 }; 1665 switch (key) { 1666 .arrow_left => if (cur > first_in_row_index) root_focus.setFocus(row.children.keys()[cur - 1]) else self.focusList(index, root_focus), 1667 .arrow_right => if (cur + 1 < row.children.count()) root_focus.setFocus(row.children.keys()[cur + 1]), 1668 .arrow_up => self.focusHeader(root_focus), 1669 .arrow_down => { 1670 self.focusDetailEdge(index, root_focus, false); 1671 self.detailScroll(index).y = 0; 1672 }, 1673 .enter => if (on_primary) try self.primaryAction(allocator, index), 1674 .mouse => |mouse| if (on_primary and inp.leftClickOn(root_focus, child_id, mouse)) try self.primaryAction(allocator, index), 1675 else => {}, 1676 } 1677 } 1678 1679 fn primaryAction(self: *This, allocator: std.mem.Allocator, index: usize) !void { 1680 const selected = self.detailed_index[index] orelse return; 1681 const entry = self.window(index).items[selected]; 1682 if (supports_drafts and entryDraft(entry)) 1683 try self.postDraft(allocator, index) 1684 else 1685 try self.toggleStatus(allocator, index); 1686 } 1687 1688 fn postDraft(self: *This, allocator: std.mem.Allocator, index: usize) !void { 1689 if (!supports_drafts or comptime wasm) return; 1690 const selected = self.detailed_index[index] orelse return; 1691 const entry = self.window(index).items[selected]; 1692 if (!entryDraft(entry) or !entry.revision_ready) return; 1693 try self.data.postDraft(self.session, allocator, entry.id); 1694 const route = listRoute(self.data.identity, @enumFromInt(0), "", entry.id) orelse return; 1695 try self.session.navigate(route); 1696 } 1697 1698 fn descriptionInput(self: *This, index: usize, key: Key, root_focus: *Focus) void { 1699 const sc = self.detailScroll(index); 1700 switch (key) { 1701 .arrow_left => return self.focusList(index, root_focus), 1702 // the terminal moves through the description one line at a time; 1703 // the web lets focus changes drive its native scroll. 1704 .arrow_up => { 1705 if (!self.session.is_terminal) { 1706 _ = self.moveDetailVertical(index, root_focus, false); 1707 return; 1708 } 1709 if (self.focusAdjacentVisible(index, root_focus, false)) return; 1710 const before = sc.y; 1711 sc.y -= 1; 1712 sc.clampToContent(); 1713 if (sc.y == before) _ = self.moveDetailVertical(index, root_focus, false); 1714 return; 1715 }, 1716 .arrow_down => { 1717 if (!self.session.is_terminal) { 1718 _ = self.moveDetailVertical(index, root_focus, true); 1719 return; 1720 } 1721 if (self.focusAdjacentVisible(index, root_focus, true)) return; 1722 const before = sc.y; 1723 sc.y += 1; 1724 sc.clampToContent(); 1725 if (sc.y == before) _ = self.moveDetailVertical(index, root_focus, true); 1726 return; 1727 }, 1728 else => return, 1729 } 1730 } 1731 1732 fn commentInput(self: *This, index: usize, key: Key, root_focus: *Focus) void { 1733 switch (key) { 1734 .arrow_left => if (!self.moveCommentHorizontal(index, root_focus, false)) return self.focusList(index, root_focus), 1735 .arrow_right => _ = self.moveCommentHorizontal(index, root_focus, true), 1736 .arrow_up => _ = self.moveDetailVertical(index, root_focus, false), 1737 .arrow_down => _ = self.moveDetailVertical(index, root_focus, true), 1738 else => return, 1739 } 1740 } 1741 1742 // page the detail scroll, then focus the first or last visible widget. 1743 fn pageDetail(self: *This, index: usize, root_focus: *Focus, delta: isize) void { 1744 if (!self.session.is_terminal) return; 1745 const sc = self.detailScroll(index); 1746 sc.y += delta; 1747 sc.clampToContent(); 1748 self.focusVisible(index, root_focus, delta > 0); 1749 } 1750 1751 // jump to the detail's first or last focusable widget. the terminal pins 1752 // its synthetic scroll too; the browser scrolls to the new focus itself. 1753 fn jumpDetail(self: *This, index: usize, root_focus: *Focus, to_end: bool) void { 1754 if (self.session.is_terminal) { 1755 const sc = self.detailScroll(index); 1756 sc.y = if (to_end) std.math.maxInt(isize) else 0; 1757 sc.clampToContent(); 1758 self.focusVisible(index, root_focus, to_end); 1759 } else { 1760 self.focusDetailEdge(index, root_focus, to_end); 1761 } 1762 } 1763 1764 fn focusDetailEdge(self: *This, index: usize, root_focus: *Focus, last: bool) void { 1765 const focus = self.detailInner(index).getFocus(); 1766 var chosen: ?usize = null; 1767 for (focus.children.keys(), focus.children.values()) |id, child| { 1768 if (!child.focus.focusable) continue; 1769 chosen = id; 1770 if (!last) break; 1771 } 1772 if (chosen) |id| root_focus.setFocus(id); 1773 } 1774 1775 fn detailRectVisible(self: *This, index: usize, rect: layout.IRect) bool { 1776 const sc = self.detailScroll(index); 1777 const viewport = sc.grid orelse return false; 1778 const top = sc.y; 1779 const bottom = top + @as(isize, @intCast(viewport.size.height - sc.bar_h)); 1780 return rect.y + @as(isize, @intCast(rect.size.height)) > top and rect.y < bottom; 1781 } 1782 1783 // focus the top- or bottom-most focusable widget intersecting the viewport. 1784 fn focusVisible(self: *This, index: usize, root_focus: *Focus, last: bool) void { 1785 const inner = self.detailInner(index); 1786 var offset: usize = 0; 1787 while (offset < inner.children.count()) : (offset += 1) { 1788 const child_index = if (last) inner.children.count() - 1 - offset else offset; 1789 if (self.focusVisibleChild(index, child_index, root_focus, last)) return; 1790 } 1791 } 1792 1793 fn focusVisibleChild(self: *This, index: usize, child_index: usize, root_focus: *Focus, last: bool) bool { 1794 const child = &self.detailInner(index).children.values()[child_index]; 1795 const child_rect = child.rect orelse return false; 1796 var chosen: ?usize = null; 1797 if (child.widget.getFocus().focusable and self.detailRectVisible(index, child_rect)) { 1798 const id = self.detailInner(index).children.keys()[child_index]; 1799 chosen = id; 1800 if (!last) { 1801 root_focus.setFocus(id); 1802 return true; 1803 } 1804 } 1805 1806 for (child.widget.getFocus().children.keys(), child.widget.getFocus().children.values()) |id, focus_child| { 1807 if (!focus_child.focus.focusable) continue; 1808 const rect: layout.IRect = .{ 1809 .x = child_rect.x + @as(isize, @intCast(focus_child.rect.x)), 1810 .y = child_rect.y + @as(isize, @intCast(focus_child.rect.y)), 1811 .size = focus_child.rect.size, 1812 }; 1813 if (!self.detailRectVisible(index, rect)) continue; 1814 chosen = id; 1815 if (!last) break; 1816 } 1817 if (chosen) |id| { 1818 root_focus.setFocus(id); 1819 return true; 1820 } 1821 return false; 1822 } 1823 1824 fn focusAdjacentVisible(self: *This, index: usize, root_focus: *Focus, down: bool) bool { 1825 const inner = self.detailInner(index); 1826 var next = self.focusedDetailChild(index, root_focus) orelse return false; 1827 while (true) { 1828 if (down) { 1829 next += 1; 1830 if (next >= inner.children.count()) return false; 1831 } else { 1832 if (next == 0) return false; 1833 next -= 1; 1834 } 1835 if (self.focusVisibleChild(index, next, root_focus, !down)) { 1836 self.focusDetailChild(index, next, !down, root_focus); 1837 return true; 1838 } 1839 } 1840 } 1841 1842 fn focusedDetailChild(self: *This, index: usize, root_focus: *Focus) ?usize { 1843 const inner = self.detailInner(index); 1844 var id = root_focus.grandchild_id orelse return null; 1845 while (inner.getFocus().children.get(id)) |child| { 1846 if (child.parent_id == inner.getFocus().id) return inner.children.getIndex(id); 1847 id = child.parent_id; 1848 } 1849 return null; 1850 } 1851 1852 fn detailChildFocusable(self: *This, index: usize, child_index: usize) bool { 1853 const child = &self.detailInner(index).children.values()[child_index].widget; 1854 const focus = child.getFocus(); 1855 if (focus.focusable) return true; 1856 for (focus.children.values()) |item| { 1857 if (item.focus.focusable) return true; 1858 } 1859 return false; 1860 } 1861 1862 fn focusDetailChild(self: *This, index: usize, child_index: usize, last: bool, root_focus: *Focus) void { 1863 const inner = self.detailInner(index); 1864 const child = &inner.children.values()[child_index]; 1865 var target = inner.children.keys()[child_index]; 1866 var rect = child.rect orelse return; 1867 switch (child.widget) { 1868 .repo_comment => |*comment| { 1869 if (comment.rowRect(last)) |row_rect| { 1870 rect.x += row_rect.x; 1871 rect.y += row_rect.y; 1872 rect.size = row_rect.size; 1873 } 1874 if (last) comment.focusBody(root_focus) else comment.focusMetadata(root_focus); 1875 }, 1876 .box => |*box| if (box.children.count() > 0) { 1877 target = box.children.keys()[if (last) box.children.count() - 1 else 0]; 1878 root_focus.setFocus(target); 1879 }, 1880 else => root_focus.setFocus(target), 1881 } 1882 const sc = self.detailScroll(index); 1883 if (sc.grid) |viewport| { 1884 const viewport_height = viewport.size.height - sc.bar_h; 1885 if (rect.size.height > viewport_height) { 1886 const bottom_aligned = rect.y + @as(isize, @intCast(rect.size.height - viewport_height)); 1887 sc.y = std.math.clamp(sc.y, rect.y, bottom_aligned); 1888 sc.clampToContent(); 1889 return; 1890 } 1891 } 1892 sc.scrollToRect(rect); 1893 } 1894 1895 fn moveDetailVertical(self: *This, index: usize, root_focus: *Focus, down: bool) bool { 1896 const inner = self.detailInner(index); 1897 const current = self.focusedDetailChild(index, root_focus) orelse return false; 1898 if (inner.children.values()[current].widget == .repo_comment) { 1899 const comment = &inner.children.values()[current].widget.repo_comment; 1900 if (down and !comment.bodyFocused()) { 1901 self.focusDetailChild(index, current, true, root_focus); 1902 return true; 1903 } 1904 if (!down and comment.bodyFocused()) { 1905 self.focusDetailChild(index, current, false, root_focus); 1906 return true; 1907 } 1908 } 1909 1910 var next = current; 1911 while (true) { 1912 if (down) { 1913 next += 1; 1914 if (next >= inner.children.count()) return false; 1915 } else { 1916 if (next == 0) return false; 1917 next -= 1; 1918 } 1919 if (!self.detailChildFocusable(index, next)) continue; 1920 self.focusDetailChild(index, next, !down, root_focus); 1921 return true; 1922 } 1923 } 1924 1925 fn moveCommentHorizontal(self: *This, index: usize, root_focus: *Focus, right: bool) bool { 1926 const inner = self.detailInner(index); 1927 const current = self.focusedDetailChild(index, root_focus) orelse return false; 1928 const child = &inner.children.values()[current]; 1929 if (child.widget == .repo_comment) { 1930 const moved = child.widget.repo_comment.moveHorizontal(root_focus, right); 1931 if (moved) if (child.rect) |rect| self.detailScroll(index).scrollToRect(rect); 1932 return moved; 1933 } 1934 const row = switch (child.widget) { 1935 .box => |*box| box, 1936 else => return false, 1937 }; 1938 const selected = row.getFocus().child_id orelse return false; 1939 const selected_index = row.children.getIndex(selected) orelse return false; 1940 const target = if (right) selected_index + 1 else selected_index -| 1; 1941 if (target == selected_index or target >= row.children.count()) return false; 1942 root_focus.setFocus(row.children.keys()[target]); 1943 if (child.rect) |rect| self.detailScroll(index).scrollToRect(rect); 1944 return true; 1945 } 1946 1947 // up/down (and tab/shift+tab) move between a form's fields; up from the 1948 // title crosses into the header tabs. the multiline description keeps 1949 // enter and any up/down that has a row to move to. 1950 fn formInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 1951 const form = self.threadForm() orelse return; 1952 const cid = form.getFocus().child_id orelse return; 1953 const cur = form.children.getIndex(cid) orelse return; 1954 1955 if (cur == description_field_index) { 1956 const child = &form.children.values()[cur]; 1957 if (try multilineKeepsKey(&child.widget.text_input, allocator, key)) 1958 return child.widget.input(allocator, key, root_focus); 1959 } 1960 1961 switch (key) { 1962 .arrow_up, .back_tab => if (cur > 0) 1963 root_focus.setFocus(form.children.keys()[cur - 1]) 1964 else 1965 self.focusHeader(root_focus), 1966 .arrow_down, .tab => if (cur < submit_field_index) { 1967 root_focus.setFocus(form.children.keys()[cur + 1]); 1968 }, 1969 .enter => if (cur == submit_field_index) try self.submitForm(allocator), 1970 .mouse => |mouse| if (cur == submit_field_index) { 1971 const submit = &form.children.values()[cur].widget.submit_button; 1972 if (inp.leftClickOn(root_focus, submit.buttonId(), mouse)) try self.submitForm(allocator); 1973 }, 1974 else => try form.children.values()[cur].widget.input(allocator, key, root_focus), 1975 } 1976 } 1977 1978 fn commentFormInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 1979 const form = self.threadForm() orelse return; 1980 const cid = form.getFocus().child_id orelse return; 1981 const cur = form.children.getIndex(cid) orelse return; 1982 const child = &form.children.values()[cur]; 1983 1984 if (cur == comment_body_field_index and try multilineKeepsKey(&child.widget.text_input, allocator, key)) 1985 return child.widget.input(allocator, key, root_focus); 1986 1987 switch (key) { 1988 .arrow_up, .back_tab => if (cur > comment_author_field_index) 1989 root_focus.setFocus(form.children.keys()[cur - 1]) 1990 else 1991 self.focusHeader(root_focus), 1992 .arrow_down, .tab => if (cur < comment_submit_field_index) 1993 root_focus.setFocus(form.children.keys()[cur + 1]), 1994 .enter => if (cur == comment_submit_field_index) try self.submitComment(allocator), 1995 .mouse => |mouse| if (cur == comment_submit_field_index) { 1996 const submit = &child.widget.submit_button; 1997 if (inp.leftClickOn(root_focus, submit.buttonId(), mouse)) try self.submitComment(allocator); 1998 }, 1999 else => try child.widget.input(allocator, key, root_focus), 2000 } 2001 } 2002 2003 fn removeFormInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 2004 const form = self.removeForm() orelse return; 2005 const button_id = form.children.keys()[1]; 2006 switch (key) { 2007 .arrow_up, .back_tab => self.focusHeader(root_focus), 2008 .enter => try self.submitRemove(allocator), 2009 .mouse => |mouse| if (inp.leftClickOn(root_focus, button_id, mouse)) try self.submitRemove(allocator), 2010 else => {}, 2011 } 2012 } 2013 2014 // the multiline hunk inputs keep enter and any up/down that has a row to 2015 // move to; enter on a "use this" link is a navigation the host follows 2016 // before this runs. 2017 fn resolveInput(self: *This, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 2018 const form = self.threadForm() orelse return; 2019 const cid = form.getFocus().child_id orelse return; 2020 const cur = form.children.getIndex(cid) orelse return; 2021 const child = &form.children.values()[cur]; 2022 2023 if (child.widget == .text_input) { 2024 const ti = &child.widget.text_input; 2025 if (ti.options.multiline and try multilineKeepsKey(ti, allocator, key)) 2026 return child.widget.input(allocator, key, root_focus); 2027 } 2028 2029 const on_submit = child.widget == .submit_button; 2030 2031 switch (key) { 2032 .arrow_up, .back_tab => if (resolveStep(form, cur, false)) |i| self.focusResolveChild(form, i, root_focus) else self.focusHeader(root_focus), 2033 .arrow_down, .tab => if (resolveStep(form, cur, true)) |i| self.focusResolveChild(form, i, root_focus), 2034 .arrow_left, .arrow_right => switch (child.widget) { 2035 .box => |*row| { 2036 const row_cid = row.getFocus().child_id orelse return; 2037 const row_index = row.children.getIndex(row_cid) orelse return; 2038 if (key == .arrow_left) { 2039 if (row_index > 0) root_focus.setFocus(row.children.keys()[row_index - 1]); 2040 } else if (row_index + 1 < row.children.count()) { 2041 root_focus.setFocus(row.children.keys()[row_index + 1]); 2042 } 2043 }, 2044 else => try child.widget.input(allocator, key, root_focus), 2045 }, 2046 .enter => if (on_submit) try self.submitResolution(allocator), 2047 .mouse => |mouse| if (on_submit) { 2048 if (inp.leftClickOn(root_focus, child.widget.submit_button.buttonId(), mouse)) try self.submitResolution(allocator); 2049 }, 2050 else => try child.widget.input(allocator, key, root_focus), 2051 } 2052 } 2053 2054 // a multiline input keeps enter and any up/down that has a row to move to 2055 fn multilineKeepsKey(text_input: *wgt.TextInput, allocator: std.mem.Allocator, key: Key) !bool { 2056 return switch (key) { 2057 .enter => true, 2058 .arrow_up => !try text_input.cursorOnFirstRow(allocator), 2059 .arrow_down => !try text_input.cursorOnLastRow(allocator), 2060 else => false, 2061 }; 2062 } 2063 2064 // the neighboring focusable resolve-form child, skipping the spacer and 2065 // the blank gap rows 2066 fn resolveStep(form: *wgt.Box(Widget), cur: usize, down: bool) ?usize { 2067 var i = cur; 2068 while (true) { 2069 if (down) { 2070 i += 1; 2071 if (i >= form.children.count()) return null; 2072 } else { 2073 if (i == 0) return null; 2074 i -= 1; 2075 } 2076 switch (form.children.values()[i].widget) { 2077 .spacer, .text => continue, 2078 else => return i, 2079 } 2080 } 2081 } 2082 2083 // focus the resolve-form child at `i` (a version row focuses its selected 2084 // child) and keep it visible on the terminal 2085 fn focusResolveChild(self: *This, form: *wgt.Box(Widget), i: usize, root_focus: *Focus) void { 2086 const child = &form.children.values()[i]; 2087 switch (child.widget) { 2088 .box => |*row| root_focus.setFocus(row.getFocus().child_id orelse form.children.keys()[i]), 2089 else => root_focus.setFocus(form.children.keys()[i]), 2090 } 2091 if (self.session.is_terminal) { 2092 if (self.resolveScroll()) |sc| { 2093 if (child.rect) |rect| sc.scrollToRect(rect); 2094 } 2095 } 2096 } 2097 2098 // re-emit the conflicted thread's event with the resolved content; any 2099 // event on the thread settles its conflict entry. this is the terminal 2100 // path; the web posts the form to the resolve route. 2101 fn submitResolution(self: *This, allocator: std.mem.Allocator) !void { 2102 if (comptime wasm) return; 2103 const io = self.session.io orelse return; 2104 const src = self.data.repo_source orelse return; 2105 const entry = self.data.selectedThread() orelse return; 2106 const author = (try self.session.eventAuthor()) orelse return; 2107 const form = self.threadForm() orelse return; 2108 2109 // gather the inputs by name; the d<n> hunk inputs appear in chunk order 2110 var title: ?[]u8 = null; 2111 var tags: ?[]u8 = null; 2112 var hunks: std.ArrayList([]const u8) = .empty; 2113 defer { 2114 if (title) |t| allocator.free(t); 2115 if (tags) |t| allocator.free(t); 2116 for (hunks.items) |h| allocator.free(h); 2117 hunks.deinit(allocator); 2118 } 2119 for (form.children.values()) |*child| switch (child.widget) { 2120 .text_input => |*ti| { 2121 const text = try ti.text(allocator); 2122 errdefer allocator.free(text); 2123 if (std.mem.eql(u8, ti.options.name, "title")) { 2124 title = text; 2125 } else if (std.mem.eql(u8, ti.options.name, "tags")) { 2126 tags = text; 2127 } else { 2128 try hunks.append(allocator, text); 2129 } 2130 }, 2131 else => {}, 2132 }; 2133 2134 const id_bytes = try evt.parseEventId(entry.id); 2135 2136 switch (src.repo_kind) { 2137 inline else => |repo_kind| { 2138 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2139 defer any_repo.deinit(io, allocator); 2140 switch (any_repo) { 2141 inline else => |*repo| { 2142 var resolution: Event.Resolve = .{ 2143 .title = title, 2144 .tags = tags, 2145 .hunks = hunks.items, 2146 }; 2147 if (comptime @hasField(Event.Resolve, "theirs")) resolution.theirs = self.data.theirs_picks; 2148 const change = Event.Update{ .resolve = resolution }; 2149 Event.update(repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, change, author) catch |err| switch (err) { 2150 // leave the form up for correction 2151 error.InvalidFields => return, 2152 else => |e| return e, 2153 }; 2154 }, 2155 } 2156 }, 2157 } 2158 2159 const route = listRoute(self.data.identity, entryStatus(entry.*), "", entry.id) orelse return; 2160 try self.session.navigate(route); 2161 } 2162 2163 // commit a new or edited comment and navigate to its permalink. this is the 2164 // terminal path; the web posts the form to its comment route. 2165 fn submitComment(self: *This, allocator: std.mem.Allocator) !void { 2166 if (comptime wasm) return; 2167 const io = self.session.io orelse return; 2168 const src = self.data.repo_source orelse return; 2169 const author = (try self.session.eventAuthor()) orelse return; 2170 const form = self.threadForm() orelse return; 2171 const body_input = &form.children.values()[comment_body_field_index].widget.text_input; 2172 const body = try body_input.text(allocator); 2173 defer allocator.free(body); 2174 if (!evt.Comment.fieldsValid(body)) return; 2175 2176 var thread_id: [evt.event_id_size * 2]u8 = undefined; 2177 @memcpy(&thread_id, self.data.selected_id); 2178 const parent_id = if (self.data.comment_id.len == 0) thread_id else blk: { 2179 var parent: [evt.event_id_size * 2]u8 = undefined; 2180 @memcpy(&parent, self.data.comment_id); 2181 break :blk parent; 2182 }; 2183 var event_id_hex: [evt.event_id_size * 2]u8 = undefined; 2184 const editing = self.data.view == .edit_comment; 2185 switch (src.repo_kind) { 2186 inline else => |repo_kind| { 2187 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2188 defer any_repo.deinit(io, allocator); 2189 switch (any_repo) { 2190 inline else => |*repo| if (editing) { 2191 const comment_id = evt.parseEventId(self.data.comment_id) catch return; 2192 try evt.Comment.update(repo_kind, repo.self_repo_opts, io, allocator, repo, &thread_id, &comment_id, body, author); 2193 event_id_hex = std.fmt.bytesToHex(comment_id, .lower); 2194 } else { 2195 event_id_hex = try evt.Comment.create(repo_kind, repo.self_repo_opts, io, allocator, repo, &thread_id, &parent_id, body, author); 2196 }, 2197 } 2198 }, 2199 } 2200 2201 body_input.clear(allocator); 2202 const route = ui.RoutablePage.repoThreadCommentRoute(kind, self.data.identity, &thread_id, &event_id_hex, 0) orelse return; 2203 try self.session.navigate(route); 2204 } 2205 2206 // the terminal submit paths: the new form commits a new thread event, the 2207 // edit form re-emits the selected thread's event with the form's content. 2208 // the web posts the forms to their routes instead. 2209 fn submitForm(self: *This, allocator: std.mem.Allocator) !void { 2210 if (self.data.view == .edit) { 2211 try self.submitEditedThread(allocator); 2212 } else { 2213 try self.submitNewThread(allocator); 2214 } 2215 } 2216 2217 // commit the new thread to the repo's events branch and navigate to it. 2218 // this is the terminal path; the web posts the form to the thread route, 2219 // so the wasm side never runs (or compiles) the repo access below. 2220 fn submitNewThread(self: *This, allocator: std.mem.Allocator) !void { 2221 if (comptime wasm) return; 2222 const io = self.session.io orelse return; 2223 const src = self.data.repo_source orelse return; 2224 const author = (try self.session.eventAuthor()) orelse return; 2225 2226 const form = self.threadForm() orelse return; 2227 const title_input = &form.children.values()[title_field_index].widget.text_input; 2228 const tags_input = &form.children.values()[tags_field_index].widget.text_input; 2229 const description_input = &form.children.values()[description_field_index].widget.text_input; 2230 2231 const title = try title_input.text(allocator); 2232 defer allocator.free(title); 2233 const tags = try tags_input.text(allocator); 2234 defer allocator.free(tags); 2235 const description = try description_input.text(allocator); 2236 defer allocator.free(description); 2237 2238 if (!Event.fieldsValid(title, tags)) return; 2239 2240 if (comptime supports_drafts) { 2241 const event_id_hex = try Data.createDraft(self.data, self.session, allocator, title, tags, description); 2242 title_input.clear(allocator); 2243 tags_input.clear(allocator); 2244 description_input.clear(allocator); 2245 const route = ui.RoutablePage.repoThreadCommentsRoute(kind, self.data.identity, &event_id_hex, 0) orelse return; 2246 try self.session.navigate(route); 2247 return; 2248 } 2249 2250 var id_bytes: [evt.event_id_size]u8 = undefined; 2251 io.random(&id_bytes); 2252 const event_id_hex = std.fmt.bytesToHex(id_bytes, .lower); 2253 2254 const event = evt.EventWithId{ 2255 .id = event_id_hex, 2256 .timestamp = @intCast(std.Io.Timestamp.now(io, .real).toSeconds()), 2257 .author = author, 2258 .event = @unionInit(evt.Event, @tagName(kind), Event{ 2259 .title = title, 2260 .description = description, 2261 .tags = tags, 2262 }), 2263 }; 2264 2265 switch (src.repo_kind) { 2266 inline else => |repo_kind| { 2267 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2268 defer any_repo.deinit(io, allocator); 2269 switch (any_repo) { 2270 inline else => |*repo| try evt.consume(.repo, repo_kind, repo.self_repo_opts, io, allocator, repo, evt.events_ref, &.{event}), 2271 } 2272 }, 2273 } 2274 2275 // wipe the form so a return visit starts fresh 2276 title_input.clear(allocator); 2277 tags_input.clear(allocator); 2278 description_input.clear(allocator); 2279 2280 const route = listRoute(self.data.identity, @enumFromInt(0), "", &event_id_hex) orelse return; 2281 try self.session.navigate(route); 2282 } 2283 2284 // re-emit the selected thread's event with the form's content (status 2285 // preserved), then reload the thread's page. this is the terminal path; 2286 // the web posts the form to the edit route. 2287 fn submitEditedThread(self: *This, allocator: std.mem.Allocator) !void { 2288 if (comptime wasm) return; 2289 const io = self.session.io orelse return; 2290 const src = self.data.repo_source orelse return; 2291 const entry = self.data.selectedThread() orelse return; 2292 const author = (try self.session.eventAuthor()) orelse return; 2293 2294 const form = self.threadForm() orelse return; 2295 const title_input = &form.children.values()[title_field_index].widget.text_input; 2296 const tags_input = &form.children.values()[tags_field_index].widget.text_input; 2297 const description_input = &form.children.values()[description_field_index].widget.text_input; 2298 2299 const title = try title_input.text(allocator); 2300 defer allocator.free(title); 2301 const tags = try tags_input.text(allocator); 2302 defer allocator.free(tags); 2303 const description = try description_input.text(allocator); 2304 defer allocator.free(description); 2305 2306 if (!Event.fieldsValid(title, tags)) return; 2307 2308 const id_bytes = try evt.parseEventId(entry.id); 2309 2310 switch (src.repo_kind) { 2311 inline else => |repo_kind| { 2312 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2313 defer any_repo.deinit(io, allocator); 2314 switch (any_repo) { 2315 inline else => |*repo| if (has_status) 2316 try Event.update(repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, .{ .fields = .{ 2317 .title = title, 2318 .tags = tags, 2319 .description = description, 2320 } }, author) 2321 else 2322 try Event.update(repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, title, tags, description, author), 2323 } 2324 }, 2325 } 2326 2327 const route = listRoute(self.data.identity, entryStatus(entry.*), "", entry.id) orelse return; 2328 try self.session.navigate(route); 2329 } 2330 2331 fn submitRemove(self: *This, allocator: std.mem.Allocator) !void { 2332 const comment = self.data.comment_id.len != 0; 2333 const event_id = if (comment) self.data.comment_id else self.data.selected_id; 2334 const id = evt.parseEventId(event_id) catch return; 2335 try self.removeEvent(allocator, if (comment) .comment else kind, id); 2336 } 2337 2338 fn removeEvent(self: *This, allocator: std.mem.Allocator, event_kind: evt.EventKind, id: [evt.event_id_size]u8) !void { 2339 if (comptime wasm) return; 2340 2341 if (comptime supports_drafts) { 2342 const selected = self.data.selectedThread() orelse return; 2343 if (event_kind == kind and entryDraft(selected.*)) { 2344 try Data.removeDraft(self.session, allocator, &id); 2345 const route = draftsRoute(self.data.identity) orelse return; 2346 try self.session.navigate(route); 2347 return; 2348 } 2349 } 2350 2351 const io = self.session.io orelse return; 2352 const src = self.data.repo_source orelse return; 2353 const author = (try self.session.eventAuthor()) orelse return; 2354 2355 switch (src.repo_kind) { 2356 inline else => |repo_kind| { 2357 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2358 defer any_repo.deinit(io, allocator); 2359 switch (any_repo) { 2360 inline else => |*repo| try evt.remove(.repo, repo_kind, repo.self_repo_opts, io, allocator, repo, &id, event_kind, author), 2361 } 2362 }, 2363 } 2364 2365 const id_hex = std.fmt.bytesToHex(id, .lower); 2366 const route = ui.RoutablePage.repoEventsRoute(self.data.identity, .removed, event_kind, &id_hex) orelse return; 2367 try self.session.navigate(route); 2368 } 2369 2370 // flip the shown thread's status by re-emitting its event, then reload the 2371 // page rooted at the thread so the view reflects the change. this is the 2372 // terminal path; the web posts the button's form to the status route. 2373 fn toggleStatus(self: *This, allocator: std.mem.Allocator, index: usize) !void { 2374 if (comptime !has_status) return; 2375 if (comptime wasm) return; 2376 const io = self.session.io orelse return; 2377 const src = self.data.repo_source orelse return; 2378 const sel = self.detailed_index[index] orelse return; 2379 const entry = self.window(index).items[sel]; 2380 const author = (try self.session.eventAuthor()) orelse return; 2381 2382 const status = (statusChange(entryStatus(entry)) orelse return).status; 2383 2384 const id_bytes = try evt.parseEventId(entry.id); 2385 2386 switch (src.repo_kind) { 2387 inline else => |repo_kind| { 2388 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()); 2389 defer any_repo.deinit(io, allocator); 2390 switch (any_repo) { 2391 inline else => |*repo| try Event.update(repo_kind, repo.self_repo_opts, io, allocator, repo, &id_bytes, .{ .status = status }, author), 2392 } 2393 }, 2394 } 2395 2396 const route = listRoute(self.data.identity, status, "", entry.id) orelse return; 2397 try self.session.navigate(route); 2398 } 2399 2400 // arrow keys move the tag selection; at the flow's edges focus crosses to 2401 // the neighboring widgets. 2402 fn tagsInput(self: *This, index: usize, child_index: usize, tf: *TagFlow, key: Key, root_focus: *Focus) void { 2403 const cid = tf.focus.child_id orelse return; 2404 const cur = tf.indexOfFocusId(cid) orelse return; 2405 const count = tf.text_boxes.items.len; 2406 switch (key) { 2407 .arrow_left => if (cur > 0) self.focusTag(index, child_index, tf, root_focus, cur - 1) else self.focusList(index, root_focus), 2408 .arrow_right => if (cur + 1 < count) self.focusTag(index, child_index, tf, root_focus, cur + 1), 2409 .arrow_up => if (tf.rowStep(cur, false)) |i| { 2410 self.focusTag(index, child_index, tf, root_focus, i); 2411 } else { 2412 _ = self.moveDetailVertical(index, root_focus, false); 2413 }, 2414 .arrow_down => if (tf.rowStep(cur, true)) |i| { 2415 self.focusTag(index, child_index, tf, root_focus, i); 2416 } else { 2417 _ = self.moveDetailVertical(index, root_focus, true); 2418 }, 2419 .home => self.focusTag(index, child_index, tf, root_focus, 0), 2420 .end => self.focusTag(index, child_index, tf, root_focus, count - 1), 2421 else => {}, 2422 } 2423 } 2424 2425 // the tool row's first child after the spacer that pushes it right 2426 const first_in_row_index: usize = 1; 2427 2428 fn toolRowFocused(self: *This, index: usize) bool { 2429 const outer = self.detailOuter(index); 2430 const cid = outer.getFocus().child_id orelse return false; 2431 return outer.children.getIndex(cid) == tool_row_index; 2432 } 2433 2434 fn focusTag(self: *This, index: usize, child_index: usize, tf: *TagFlow, root_focus: *Focus, item: usize) void { 2435 root_focus.setFocus(tf.text_boxes.items[item].getFocus().id); 2436 // keep the tag visible on the terminal: its rect offset by the flow's 2437 // position in the pane. 2438 if (self.session.is_terminal and item < tf.rects.items.len) { 2439 if (self.detailInner(index).children.values()[child_index].rect) |flow_rect| { 2440 var rect = tf.rects.items[item]; 2441 rect.x += flow_rect.x; 2442 rect.y += flow_rect.y; 2443 self.detailScroll(index).scrollToRect(rect); 2444 } 2445 } 2446 } 2447 2448 // return to the tool row's last-focused button (the header when the 2449 // description page shows no row). 2450 fn focusToolRow(self: *This, index: usize, root_focus: *Focus) void { 2451 const cid = self.toolRow(index).getFocus().child_id orelse return self.focusHeader(root_focus); 2452 root_focus.setFocus(cid); 2453 } 2454 2455 // enter the detail pane. an empty pane can't be entered. 2456 fn focusDetail(self: *This, index: usize, root_focus: *Focus) void { 2457 if (self.detailInner(index).children.count() == 0) return; 2458 root_focus.setFocus(self.detailOuter(index).getFocus().id); 2459 } 2460 2461 // return to the list. 2462 fn focusList(self: *This, index: usize, root_focus: *Focus) void { 2463 root_focus.setFocus(self.listScroll(index).getFocus().id); 2464 } 2465 2466 // cross to the header tabs above the stack. 2467 fn focusHeader(self: *This, root_focus: *Focus) void { 2468 root_focus.setFocus(self.box.children.keys()[header_index]); 2469 } 2470 2471 pub fn clearGrid(self: *This) void { 2472 self.box.clearGrid(); 2473 } 2474 2475 pub fn getGrid(self: This) ?Grid { 2476 return self.box.getGrid(); 2477 } 2478 2479 pub fn getFocus(self: *This) *Focus { 2480 return self.box.getFocus(); 2481 } 2482 2483 // for the parent's "scroll up at the top jumps to the header" check: at the 2484 // top only while the header tabs hold focus, so up from the split 2485 // crosses into the tabs first. 2486 pub fn getSelectedIndex(self: *This) ?usize { 2487 return if (self.headerActive()) 0 else 1; 2488 } 2489 }; 2490 } 2491