46 lines
1.3 KiB
Lua
46 lines
1.3 KiB
Lua
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local Checkbox = {}
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Checkbox.__index = Checkbox
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function Checkbox:new(width, lineWidth, transform, checked)
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local box = {
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width = width or 20,
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lineWidth = lineWidth or 2,
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transform = transform or love.math.newTransform(),
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checked = checked,
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onChanged = nil
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}
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return setmetatable(box, self)
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end
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function Checkbox:draw()
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local width = self.width
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local lineWidth = self.lineWidth
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local halfLine = lineWidth/2
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local boxWidth = width - lineWidth
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love.graphics.push("all")
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love.graphics.applyTransform(self.transform)
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love.graphics.setLineWidth(lineWidth)
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love.graphics.rectangle("line", halfLine, halfLine, boxWidth, boxWidth)
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if self.checked then
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local crossEnd = width - halfLine
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love.graphics.line(halfLine, halfLine, crossEnd, crossEnd)
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love.graphics.line(halfLine, crossEnd, crossEnd, halfLine)
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end
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love.graphics.pop()
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end
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function Checkbox:getChecked()
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return self.checked
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end
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function Checkbox:pressmouse(x, y, button)
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if button == 1 then
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local localX, localY = self.transform:inverseTransformPoint(x, y)
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if localX >= 0 and localX < self.width and localY >= 0 and localY < self.width then
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self.checked = not self.checked
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if self.onChanged then self.onChanged(self.checked) end
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end
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end
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end
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return Checkbox
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