101 lines
1.9 KiB
Ruby
101 lines
1.9 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Widgets
|
|
class Text < Base
|
|
def text
|
|
props[:text]
|
|
end
|
|
|
|
def cursor_pos
|
|
props[:cursor_pos]
|
|
end
|
|
|
|
def draw
|
|
total = width - 1
|
|
start = [0, cursor_pos - total].max
|
|
|
|
cut = text[start...start + total]
|
|
|
|
setpos 0, 0
|
|
|
|
before_cursor = cut[0...cursor_pos]
|
|
under_cursor = cut[cursor_pos] || ' '
|
|
after_cursor = cut[(1 + cursor_pos)..-1] || ''
|
|
|
|
Style.default.editing_text window do
|
|
addstr before_cursor
|
|
end
|
|
|
|
Style.default.public_send focused ? :cursor : :editing_text, window do
|
|
addstr under_cursor
|
|
end
|
|
|
|
Style.default.editing_text window do
|
|
addstr after_cursor
|
|
end
|
|
end
|
|
|
|
def trigger(event)
|
|
case event
|
|
when Events::Text::Putc
|
|
putc event.char
|
|
when Events::Text::Left
|
|
left
|
|
when Events::Text::Right
|
|
right
|
|
when Events::Text::Home
|
|
home
|
|
when Events::Text::End
|
|
endk
|
|
when Events::Text::Backspace
|
|
backspace
|
|
when Events::Text::Delete
|
|
delete
|
|
end
|
|
end
|
|
|
|
def putc(c)
|
|
@text = "#{text[0...cursor_pos]}#{c}#{text[cursor_pos..-1]}"
|
|
@cursor_pos += 1
|
|
update
|
|
end
|
|
|
|
def left
|
|
@cursor_pos -= 1
|
|
update
|
|
end
|
|
|
|
def right
|
|
@cursor_pos += 1
|
|
update
|
|
end
|
|
|
|
def home
|
|
@cursor_pos = 0
|
|
end
|
|
|
|
def endk
|
|
@cursor_pos = @text.length
|
|
end
|
|
|
|
def backspace
|
|
return unless cursor_pos.positive?
|
|
@text = "#{text[0...(cursor_pos - 1)]}#{text[cursor_pos..-1]}"
|
|
@cursor_pos -= 1
|
|
update
|
|
end
|
|
|
|
def delete
|
|
return if cursor_pos > text.length
|
|
@text = "#{text[0...cursor_pos]}#{text[(cursor_pos + 1)..-1]}"
|
|
end
|
|
|
|
def update
|
|
if @cursor_pos.negative?
|
|
@cursor_pos = 0
|
|
elsif @cursor_pos > @text.length
|
|
@cursor_pos = @text.length
|
|
end
|
|
end
|
|
end
|
|
end
|