65 lines
1.8 KiB
Lua
65 lines
1.8 KiB
Lua
local love = assert( love )
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local utf8 = require("utf8")
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local modal = require( "ui.modal" )
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local t = modal.new{ }
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function t.setCurrentModal( fields )
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t.currentModal = assert( fields )
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t.currentIdx = 1
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return t:start()
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end
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function t.draw()
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if not t.currentModal then return end
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love.graphics.setColor( 0, 0, 0, 0.3 )
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love.graphics.rectangle("fill", 0, 0, love.graphics.getDimensions())
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-- other fields
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for i, field in ipairs( t.currentModal ) do
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love.graphics.setColor( 1, 1, 1, 0.2 )
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local mode = (i == t.currentIdx) and "fill" or "line"
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love.graphics.rectangle( mode, 200, i * 28, 200, 14, 4 )
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love.graphics.setColor( 1, 1, 1, 1 )
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love.graphics.print( field.name, 8, i * 28 )
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love.graphics.print( field.value, 216, i * 28 )
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end
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end
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function t.textinput( char )
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if t.currentModal then
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local field = t.currentModal.currentFieldIdx
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t.currentModal.currentField.value = t.currentModal.currentField.value .. char
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end
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end
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function t.keypressed(key, code, isRepeat)
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if code == "down" then
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t.currentIdx = t.currentIdx + 1
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if t.currentIdx > #(t.currentModal) then
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t.currentIdx = 1
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end
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elseif code == "up" then
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t.currentIdx = t.currentIdx - 1
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if t.currentIdx < 1 then
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t.currentIdx = #(t.currentModal)
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end
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end
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if key == "backspace" then
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local text = t.currentModal.currentField
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-- get the byte offset to the last UTF-8 character in the string.
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local byteoffset = utf8.offset(text, -1)
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if byteoffset then
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-- remove the last UTF-8 character.
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-- string.sub operates on bytes rather than UTF-8 characters, so we couldn't do string.sub(text, 1, -2).
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t.currentModal.currentField = text:sub( 1, byteoffset - 1)
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end
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end
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if code == "escape" then
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return t:stop()
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end
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end
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return t |