#!/usr/bin/luajit
--[[*************************************************************************
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** This file is part of the examples of the Qt Toolkit.
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dofile(arg[0]:gsub('examples[/\\].+', 'examples/init.lua'))

local QtCore = require 'qtcore'
local QtGui = require 'qtgui'
local QtWidgets = require 'qtwidgets'
local QtScript = require 'qtscript'
local QtScriptTools = require 'qtscripttools'
local QtUiTools = require 'qtuitools'

QtCore.QCoreApplication.setAttribute(QtCore.AA_ShareOpenGLContexts)

local app = QtWidgets.QApplication(1 + select('#', ...), {arg[0], ...})

local engine = QtScript.QScriptEngine()

local debugger = QtScriptTools.QScriptEngineDebugger()
debugger:attachTo(engine)
local debugWindow = debugger:standardWindow()
debugWindow:resize(1024, 640)

local scriptFileName = 'calculator.js'
local scriptFile = QtCore.QFile(scriptFileName)
scriptFile:open(QtCore.QIODevice.ReadOnly)
local stream = QtCore.QTextStream(scriptFile)
local contents = stream:readAll()
scriptFile:close()

local result = engine:evaluate(contents, scriptFileName)

if result:isError() then
    QtWidgets.QMessageBox.critical(nil
        , tr 'calculator'
        , (tr '%0:%1: %2'):arg(scriptFileName
            , tostring(result:property("lineNumber"):toInt32())
            , result:toString()
        )
    )
    return -1
end

local loader = QtUiTools.QUiLoader()
local uiFile = QtCore.QFile('calculator.ui')
uiFile:open(QtCore.QIODevice.ReadOnly)
local ui = loader:load(uiFile)
uiFile:close()

local ctor = engine:evaluate('Calculator')
local scriptUi = engine:newQObject(ui, QtScript.QScriptEngine.ScriptOwnership)

local calc = ctor:construct(QtScript.QList_QScriptValue_():IN(scriptUi))

local display = ui:findChild('display')
QtCore.QObject.connect(display, SIGNAL 'returnPressed()', debugWindow, SLOT 'show()')

ui:show()
return app.exec()
