Class: OsCtl::Cli::Top::Tui::Help
- Defined in:
- lib/osctl/cli/top/tui/help.rb
Instance Method Summary collapse
-
#initialize(main_screen) ⇒ Help
constructor
A new instance of Help.
- #open ⇒ Object
- #render ⇒ Object protected
Constructor Details
#initialize(main_screen) ⇒ Help
Returns a new instance of Help
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# File 'lib/osctl/cli/top/tui/help.rb', line 6 def initialize(main_screen) @main_screen = main_screen end |
Instance Method Details
#open ⇒ Object
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# File 'lib/osctl/cli/top/tui/help.rb', line 10 def open loop do render case Curses.getch when 'q', '?', 27 # Escape return @main_screen when Curses::Key::RESIZE Curses.clear end end end |
#render ⇒ Object (protected)
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# File 'lib/osctl/cli/top/tui/help.rb', line 25 def render Curses.setpos(0, 0) Curses.addstr('Key bindings:') pos = 0 [ ['q', 'Quit'], ['<, >, left, right', 'Change sort column'], ['r, R', 'Reverse sort order'], ['up, down', 'Select containers'], ['space', 'Highlight selected container'], ['enter', 'Open htop and filter container processes'], ['m', 'Toggle between realtime and cumulative mode'], ['p', 'Pause/unpause resource tracking'], ['?', 'Show/hide this help message'], ].each_with_index do |arr, i| key, desc = arr Curses.setpos(i+2, 4) Curses.addstr(sprintf('%20s - %s', key, desc)) pos = i+2 end Curses.setpos(pos+2, 0) Curses.addstr("Press 'q', '?' or <Esc> to continue") end |