Created
July 26, 2024 09:28
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| local iup = require("iup") | |
| -- Helper functions | |
| local function updateDisplay(value) | |
| local display = iup.GetHandle("display") | |
| local currentValue = display.value | |
| if currentValue == "0" or currentValue == "Error" then | |
| display.value = value | |
| else | |
| display.value = currentValue .. value | |
| end | |
| end | |
| local function clearDisplay() | |
| iup.GetHandle("display").value = "0" | |
| end | |
| local function calculateResult() | |
| local display = iup.GetHandle("display") | |
| local expression = display.value | |
| local success, result = pcall(function() | |
| return loadstring("return " .. expression)() | |
| end) | |
| if success then | |
| display.value = tostring(result) | |
| else | |
| display.value = "Error" | |
| end | |
| end | |
| -- Create number buttons | |
| local function createNumberButton(number) | |
| return iup.button{ | |
| title = tostring(number), | |
| size = "40x40", | |
| action = function() updateDisplay(number) end | |
| } | |
| end | |
| -- Create operator buttons | |
| local function createOperatorButton(operator) | |
| return iup.button{ | |
| title = operator, | |
| size = "40x40", | |
| action = function() updateDisplay(operator) end | |
| } | |
| end | |
| -- Create special buttons | |
| local clearButton = iup.button{ | |
| title = "C", | |
| size = "40x40", | |
| action = clearDisplay | |
| } | |
| local equalsButton = iup.button{ | |
| title = "=", | |
| size = "40x40", | |
| action = calculateResult | |
| } | |
| -- Create display | |
| local display = iup.text{ | |
| id = "display", | |
| value = "0", | |
| readonly = "YES", | |
| size = "160x40", | |
| alignment = "ARIGHT", | |
| expand = "HORIZONTAL", | |
| } | |
| -- Create calculator layout | |
| local layout = iup.vbox{ | |
| display, | |
| iup.hbox{ | |
| createNumberButton(7), | |
| createNumberButton(8), | |
| createNumberButton(9), | |
| createOperatorButton("/") | |
| }, | |
| iup.hbox{ | |
| createNumberButton(4), | |
| createNumberButton(5), | |
| createNumberButton(6), | |
| createOperatorButton("*") | |
| }, | |
| iup.hbox{ | |
| createNumberButton(1), | |
| createNumberButton(2), | |
| createNumberButton(3), | |
| createOperatorButton("-") | |
| }, | |
| iup.hbox{ | |
| createNumberButton(0), | |
| iup.button{ | |
| title = ".", | |
| size = "40x40", | |
| action = function() | |
| local display = iup.GetHandle("display") | |
| if not display.value:find("%.") then | |
| updateDisplay(".") | |
| end | |
| end | |
| }, | |
| equalsButton, | |
| createOperatorButton("+") | |
| }, | |
| iup.hbox{ | |
| clearButton | |
| }, | |
| margin = "10x10", | |
| gap = "5" | |
| } | |
| -- Create main window | |
| local window = iup.dialog{ | |
| layout, | |
| title = "Calculator", | |
| size = "250x300", | |
| resize = "NO" | |
| } | |
| -- Show the window and run the main loop | |
| window:show() | |
| iup.MainLoop() |
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