// bit for modifiers
// bits: 0  None 
// bits: 1  SHIFT
// bits: 2  CONTROL
//
// NOTE:
// If the default key layout is lower case,
// and you want to use `Shift + q` to trigger the exit event,
// the setting should like this `exit: Some(( code: Char('Q'), modifiers: ( bits: 1,),)),`
// The Char should be upper case, and the shift modified bit should be set to 1.
(
    tab_status: Some((code: Char('1'), modifiers: (bits: 0))),
    tab_log: Some((code: Char('2'), modifiers: (bits: 0))),
    tab_files: Some((code: Char('3'), modifiers: (bits: 0))),
    tab_stashing: Some((code: Char('4'), modifiers: (bits: 0))),
    tab_stashes: Some((code: Char('5'), modifiers: (bits: 0))),
    tab_toggle: Some((code: Char('L'), modifiers: (bits: 1))),
    tab_toggle_reverse: Some((code: Char('H'), modifiers: (bits: 1))),
    toggle_workarea: Some((code: Char('w'), modifiers: (bits: 0))),
    exit: None,
    quit: None,
    exit_popup: Some((code: Char('q'), modifiers: (bits: 0))),
    open_commit: Some((code: Char('c'), modifiers: (bits: 0))),
    open_commit_editor: Some((code: Char('e'), modifiers: (bits: 2))),
    open_help: Some((code: F(1), modifiers: (bits: 0))),
    open_options: Some((code: Char('o'), modifiers: (bits: 0))),
    move_left: Some((code: Char('h'), modifiers: (bits: 0))),
    move_right: Some((code: Char('l'), modifiers: (bits: 0))),
    tree_collapse_recursive: Some((code: Left, modifiers: (bits: 1))),
    tree_expand_recursive: Some((code: Right, modifiers: (bits: 1))),
    home: Some((code: Char('g'), modifiers: (bits: 0))),
    end: Some((code: Char('G'), modifiers: (bits: 0))),
    move_up: Some((code: Char('k'), modifiers: (bits: 0))),
    move_down: Some((code: Char('j'), modifiers: (bits: 0))),
    popup_up: Some((code: Char('p'), modifiers: (bits: 2))),
    popup_down: Some((code: Char('n'), modifiers: (bits: 2))),
    page_up: Some((code: Char('u'), modifiers: (bits: 2))),
    page_down: Some((code: Char('d'), modifiers: (bits: 2))),
    shift_up: Some((code: Up, modifiers: (bits: 1))),
    shift_down: Some((code: Down, modifiers: (bits: 1))),
    enter: Some((code: Enter, modifiers: (bits: 0))),
    blame: Some((code: Char('b'), modifiers: (bits: 0))),
    file_history: Some((code: Char('h'), modifiers: (bits: 2))),
    edit_file: Some((code: Char('e'), modifiers: (bits: 0))),
    status_stage_all: Some((code: Char('a'), modifiers: (bits: 0))),
    status_reset_item: Some((code: Char('U'), modifiers: (bits: 1))),
    diff_reset_lines: Some((code: Char('u'), modifiers: (bits: 0))),
    status_ignore_file: Some((code: Char('i'), modifiers: (bits: 0))),
    diff_stage_lines: Some((code: Char('s'), modifiers: (bits: 0))),
    stashing_save: Some((code: Char('w'), modifiers: (bits: 0))),
    stashing_toggle_untracked: Some((code: Char('u'), modifiers: (bits: 0))),
    stashing_toggle_index: Some((code: Char('m'), modifiers: (bits: 0))),
    stash_apply: Some((code: Char('a'), modifiers: (bits: 0))),
    stash_open: Some((code: Char('l'), modifiers: (bits: 0))),
    stash_drop: Some((code: Char('D'), modifiers: (bits: 1))),
    cmd_bar_toggle: Some((code: Char('.'), modifiers: (bits: 0))),
    log_tag_commit: Some((code: Char('t'), modifiers: (bits: 0))),
    log_mark_commit: Some((code: Char(' '), modifiers: (bits: 0))),
    log_checkout_commit: Some((code: Char('S'), modifiers: (bits: 1))),
    log_reset_comit: Some((code: Char('R'), modifiers: (bits: 1))),
    log_reword_comit: Some((code: Char('r'), modifiers: (bits: 0))),
    log_find: Some((code: Char('/'), modifiers: (bits: 0))),
    find_commit_sha: Some((code: Char('/'), modifiers: (bits: 0))),
    commit_amend: Some((code: Char('a'), modifiers: (bits: 2))),
    toggle_signoff: Some((code: Char('s'), modifiers: (bits: 2))),
    toggle_verify: Some((code: Char('v'), modifiers: (bits: 2))),
    copy: Some((code: Char('y'), modifiers: (bits: 0))),
    create_branch: Some((code: Char('c'), modifiers: (bits: 0))),
    rename_branch: Some((code: Char('r'), modifiers: (bits: 0))),
    select_branch: Some((code: Char('b'), modifiers: (bits: 0))),
    delete_branch: Some((code: Char('D'), modifiers: (bits: 1))),
    merge_branch: Some((code: Char('m'), modifiers: (bits: 0))),
    rebase_branch: Some((code: Char('R'), modifiers: (bits: 1))),
    compare_commits: Some((code: Char('C'), modifiers: (bits: 1))),
    tags: Some((code: Char('T'), modifiers: (bits: 1))),
    delete_tag: Some((code: Char('D'), modifiers: (bits: 1))),
    select_tag: Some((code: Char(' '), modifiers: (bits: 0))),
    push: Some((code: Char('P'), modifiers: (bits: 1))),
    force_push: None,
    undo_commit: Some((code: Char('U'), modifiers: (bits: 1))),
    fetch: Some((code: Char('F'), modifiers: (bits: 1))),
    pull: Some((code: Char('p'), modifiers: (bits: 0))),
    abort_merge: Some((code: Char('A'), modifiers: (bits: 1))),
    open_file_tree: Some((code: Char('F'), modifiers: (bits: 1))),
    file_find: Some((code: Char('/'), modifiers: (bits: 0))),
    branch_find: Some((code: Char('/'), modifiers: (bits: 0))),
    diff_hunk_next: Some((code: Char('n'), modifiers: (bits: 0))),
    diff_hunk_prev: Some((code: Char('p'), modifiers: (bits: 0))),
    stage_unstage_item: Some((code: Char(' '), modifiers: (bits: 0))),
    tag_annotate: Some((code: Char('a'), modifiers: (bits: 2))),
    view_submodules: Some((code: Char('S'), modifiers: (bits: 1))),
    view_submodule_parent: Some((code: Char('p'), modifiers: (bits: 0))),
    update_submodule: Some((code: Char('u'), modifiers: (bits: 0))),
    commit_history_next: Some((code: Char('n'), modifiers: (bits: 2))),
)