Module: Sergeant::Modals::Help

Included in:
Sergeant::Modals
Defined in:
lib/sergeant/modals/help.rb

Instance Method Summary collapse

Instance Method Details

#show_help_modal ⇒ Object 



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# File 'lib/sergeant/modals/help.rb', line 8

def show_help_modal
  max_y = lines
  max_x = cols

  modal_height = [28, max_y - 4].min  # Adaptive height
  modal_width = [70, max_x - 4].min   # Adaptive width
  modal_y = (max_y - modal_height) / 2
  modal_x = (max_x - modal_width) / 2

  (modal_y..(modal_y + modal_height)).each do |y|
    setpos(y, modal_x)
    attron(color_pair(3)) do
      addstr(' ' * modal_width)
    end
  end

  setpos(modal_y, modal_x)
  attron(color_pair(4) | Curses::A_BOLD) do
    addstr("\u250C#{'─' * (modal_width - 2)}\u2510")
  end

  setpos(modal_y + 1, modal_x)
  attron(color_pair(4) | Curses::A_BOLD) do
    addstr('│')
  end
  attron(color_pair(5) | Curses::A_BOLD) do
    addstr(' Key Mappings '.center(modal_width - 2))
  end
  attron(color_pair(4) | Curses::A_BOLD) do
    addstr('│')
  end

  setpos(modal_y + 2, modal_x)
  attron(color_pair(4)) do
    addstr("\u251C#{'─' * (modal_width - 2)}\u2524")
  end

  help_lines = [
    'Navigation:',
    '  ↑/k               - Move up',
    '  ↓/j               - Move down',
    '  Enter / →/l       - Open directory or preview file',
    '  ←/h               - Go back to parent directory',
    '',
    'File Operations:',
    '  Space             - Mark/unmark item',
    '  c                 - Copy marked items',
    '  x                 - Cut marked items',
    '  p                 - Paste copied/cut items',
    '  d                 - Delete marked items',
    '  r                 - Rename current item',
    '  u                 - Unmark all items',
    '  n                 - Create new file or directory',
    '',
    'View & Search:',
    '  e                 - Edit file ($EDITOR, nano, nvim, vim)',
    '  v                 - Preview file or archive contents',
    '  f                 - Filter current directory view',
    '  /                 - Search files (with fzf if available)',
    '',
    'Other:',
    '  :                 - Execute terminal command',
    '  o                 - Toggle ownership display',
    '  P                 - Toggle side preview panel',
    '  b                 - Go to bookmark',
    '  H                 - Show recent directories history',
    '  R                 - Force refresh and clear cache',
    '  q / ESC           - Quit and cd to current directory'
  ]

  help_lines.each_with_index do |line, idx|
    break if idx >= modal_height - 4  # Stop if we run out of vertical space

    setpos(modal_y + 3 + idx, modal_x)
    attron(color_pair(4)) do
      addstr('│ ')
    end

    # Truncate line if it's too long for the modal width
    display_line = if line.length > modal_width - 4
                    "#{line[0...(modal_width - 7)]}..."
                   else
                    line.ljust(modal_width - 4)
                   end

    if line.start_with?('Navigation:', 'File Operations:', 'Other:')
      attron(color_pair(1) | Curses::A_BOLD) do
        addstr(display_line)
      end
    else
      addstr(display_line)
    end
    attron(color_pair(4)) do
      addstr(' │')
    end
  end

  setpos(modal_y + modal_height - 1, modal_x)
  attron(color_pair(4) | Curses::A_BOLD) do
    addstr("\u2514#{'─' * (modal_width - 2)}\u2518")
  end

  refresh
  getch
end