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cli-old/lib/widgets/menu.rb
2017-07-25 14:36:28 +00:00

64 lines
1.3 KiB
Ruby

# frozen_string_literal: true
module Widgets
class Menu < Base
def draw
props[:items][props[:top]...(props[:top] + props[:height])].each_with_index.each do |item, offset|
index = props[:top] + offset
setpos 0, offset
if item[:online]
Style.default.online_mark window do
addstr '*'
end
else
addstr 'o'
end
addstr ' '
Style.default.public_send(index == props[:active] && props[:focused] ? :selection : :text, window) do
if item[:name].length <= props[:width] - 2
addstr item[:name].ljust props[:width] - 2
else
addstr "#{item[:name][0...props[:width] - 5]}..."
end
end
end
end
def trigger(event)
case event
when Events::Panel::Up
up
when Events::Panel::Down
down
end
end
def up
@active -= 1
update
end
def down
@active += 1
update
end
def update
if active.negative?
@active = items.count - 1
elsif active >= items.count
@active = 0
end
if active < top
@top = active
elsif active >= top + height
@top = active - height + 1
end
end
end
end