# File lib/sup/keymap.rb, line 10 def self.keysym_to_keycode k case k when :down then Curses::KEY_DOWN when :up then Curses::KEY_UP when :left then Curses::KEY_LEFT when :right then Curses::KEY_RIGHT when :page_down then Curses::KEY_NPAGE when :page_up then Curses::KEY_PPAGE when :backspace then Curses::KEY_BACKSPACE when :home then Curses::KEY_HOME when :end then Curses::KEY_END when :ctrl_l then "\f".ord when :ctrl_g then "\a".ord when :tab then "\t".ord when :enter, :return then 10 #Curses::KEY_ENTER else if k.is_a?(String) && k.length == 1 k.ord else raise ArgumentError, "unknown key name '#{k}'" end end end
# File lib/sup/keymap.rb, line 34 def self.keysym_to_string k case k when :down then "<down arrow>" when :up then "<up arrow>" when :left then "<left arrow>" when :right then "<right arrow>" when :page_down then "<page down>" when :page_up then "<page up>" when :backspace then "<backspace>" when :home then "<home>" when :end then "<end>" when :enter, :return then "<enter>" when :tab then "tab" when " " then "<space>" else Curses::keyname(keysym_to_keycode(k)) end end
# File lib/sup/keymap.rb, line 69 def action_for kc action, help, keys = @map[kc] [action, help] end
# File lib/sup/keymap.rb, line 53 def add action, help, *keys entry = [action, help, keys] @order << entry keys.each do |k| kc = Keymap.keysym_to_keycode k raise ArgumentError, "key '#{k}' already defined (as #{@map[kc].first})" if @map.include? kc @map[kc] = entry end end
# File lib/sup/keymap.rb, line 63 def add_multi prompt, key submap = Keymap.new add submap, prompt, key yield submap end
# File lib/sup/keymap.rb, line 78 def help_lines except_for={}, prefix="" lines = [] # :( @order.each do |action, help, keys| valid_keys = keys.select { |k| !except_for[k] } next if valid_keys.empty? case action when Symbol lines << [valid_keys.map { |k| prefix + Keymap.keysym_to_string(k) }.join(", "), help] when Keymap lines += action.help_lines({}, prefix + Keymap.keysym_to_string(keys.first)) end end.compact lines end
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