76 lines
1.6 KiB
Lua
76 lines
1.6 KiB
Lua
UISpinBox = extends(UITextEdit)
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function UISpinBox.create()
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local spinbox = UISpinBox.internalCreate()
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spinbox:setValidCharacters('0123456789')
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spinbox.minimum = 0
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spinbox.maximum = 0
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spinbox.value = 0
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spinbox:setText("0")
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return spinbox
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end
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function UISpinBox:onMouseWheel(mousePos, direction)
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if direction == MouseWheelUp then
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self:setValue(self.value + 1)
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elseif direction == MouseWheelDown then
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self:setValue(self.value - 1)
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end
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return true
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end
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function UISpinBox:onTextChange(text, oldText)
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if text:len() == 0 then
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self:setValue(self.minimum)
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return
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end
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local number = tonumber(text)
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if not number or number > self.maximum or number < self.minimum then
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self:setText(oldText)
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return
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end
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self:setValue(number)
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end
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function UISpinBox:onValueChange(value)
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-- nothing todo
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end
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function UISpinBox:onStyleApply(styleName, styleNode)
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for name, value in pairs(styleNode) do
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if name == 'maximum' then
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self:setMaximum(value)
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elseif name == 'minimum' then
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self:setMinimum(value)
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end
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end
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end
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function UISpinBox:setValue(value)
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value = math.max(math.min(self.maximum, value), self.minimum)
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if value == self.value then return end
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if self:getText():len() > 0 then
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self:setText(value)
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end
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self.value = value
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signalcall(self.onValueChange, self, value)
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end
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function UISpinBox:setMinimum(minimum)
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self.minimum = minimum
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if self.value < minimum then
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self:setValue(minimum)
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end
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end
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function UISpinBox:setMaximum(maximum)
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self.maximum = maximum
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if self.value > maximum then
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self:setValue(maximum)
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end
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end
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function UISpinBox:getValue() return self.value end
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