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Add search bar cursor

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Braiden Vasco 2017-07-21 13:12:51 +00:00
parent 23659fe732
commit 87627ab622
1 changed files with 28 additions and 3 deletions
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31
lib/main.rb
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@ -44,6 +44,7 @@ private
Curses.init_pair 1, Curses::COLOR_WHITE, Curses::COLOR_BLACK
Curses.init_pair 2, Curses::COLOR_BLACK, Curses::COLOR_WHITE
Curses.init_pair 3, Curses::COLOR_BLUE, Curses::COLOR_BLACK
Curses.init_pair 4, Curses::COLOR_BLACK, Curses::COLOR_BLUE
initials
end
@ -100,7 +101,7 @@ private
end
class Search
attr_reader :x, :y, :width, :height, :text
attr_reader :x, :y, :width, :height, :text, :cursor_pos
def initialize(x, y, width, height)
@x = x
@ -108,20 +109,44 @@ class Search
@width = width
@height = height
@text = ''
@cursor_pos = 0
end
def render
Curses.attron Curses.color_pair 3
Curses.setpos x, y
Curses.addstr text
before_cursor = text[0...cursor_pos]
under_cursor = text[cursor_pos]
after_cursor = text[cursor_pos..-1]
Curses.attron Curses.color_pair 3
Curses.addstr before_cursor
Curses.attron Curses.color_pair 4
Curses.addstr under_cursor || ' '
Curses.attron Curses.color_pair 3
Curses.addstr after_cursor
end
def append(c)
@text += c
@cursor_pos += 1
update
end
def backspace
@text = text[0...-1]
@cursor_pos -= 1
update
end
def update
if @cursor_pos.negative?
@cursor_pos = 0
elsif @cursor_pos > @text.length
@cursor_pos = @text.length
end
end
end