capture.love/main.lua

76 lines
1.6 KiB
Lua

require 'keychord'
lines = {}
width, height, flags = 0, 0, nil
function love.load()
table.insert(lines, '')
love.window.setMode(0, 0) -- maximize
width, height, flags = love.window.getMode()
end
function love.draw()
love.graphics.setColor(1, 1, 1)
love.graphics.rectangle('fill', 1, 1, width-1, height-1)
love.graphics.setColor(1, 1, 0)
love.graphics.rectangle('fill', 1, 1, 400, 10*12)
love.graphics.setColor(0, 0, 0)
local text
for i, line in ipairs(lines) do
text = love.graphics.newText(love.graphics.getFont(), line)
love.graphics.draw(text, 12, i*15)
end
-- cursor
love.graphics.print('_', 12+text:getWidth(), #lines*15)
end
function love.update(dt)
end
function love.textinput(t)
lines[#lines] = lines[#lines]..t
end
function keychord_pressed(chord)
-- Don't handle any keys here that would trigger love.textinput above.
if chord == 'return' then
table.insert(lines, '')
elseif chord == 'C-r' then
lines[#lines+1] = eval(lines[#lines])[1]
lines[#lines+1] = ''
end
end
function love.keyreleased(key, scancode)
end
function love.mousepressed(x, y, button)
end
function love.mousereleased(x, y, button)
end
function eval(buf)
local f = load('return '..buf, 'REPL')
if f then
return call_gather(f)
end
local f, err = load(buf, 'REPL')
if f then
return call_gather(f)
else
return {err}
end
end
-- based on https://github.com/hoelzro/lua-repl
function call_gather(f)
local success, results = gather_results(xpcall(f, function(...) return debug.traceback() end))
return results
end
function gather_results(success, ...)
local n = select('#', ...)
return success, { n = n, ... }
end